1 2000-04-12 Jeffrey A Law (law@cygnus.com)
3 * function.c (purge_addressof): Unshare any shared rtl created by
4 purge_addressof and its children.
6 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8 * function.c (aggregate_value_p): VOID_TYPE nodes are never
11 2000-04-05 Andreas Jaeger <aj@suse.de>
13 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
14 not compiling PIC code, add flags for mabi=64.
15 (SUBTARGET_CPP_SIZE_SPEC): New.
16 (SUBTARGET_CPP_SPEC): New.
17 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
18 for MIPS/Linux and lots of code needs these defines.
20 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
22 * reorg.c (fill_slots_from_thread): Check side_effects_p when
23 trying the "opposite arithmetic" approach.
25 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
27 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
28 (struct sh_args): Add new field force_mem.
29 (INIT_CUMULATIVE_ARGS): Initialize it.
30 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
32 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
34 (expand_call): Do not reverse args in "equal from" field.
35 (emit_library_call_value_1): Emit_libcall_block for const and pure
38 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
40 * reload1.c (reload_combine): Don't enable optimization for fixed
41 registers when encountering a BARRIER.
43 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
45 * builtins.c (expand_builtin_memcmp): Do expansion even with
46 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
48 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
49 stack is propertly aligned; add sanity checking for aligned
51 (expand_library_call_value_1): Add sanity checking for aligned
54 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
56 * calls.c (emit_library_call_value_1): Change 3rd arg to
57 locate_and_pad_parm to disregard the setting of partial.
59 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
61 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
63 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
64 CALL_INSN from the normal case.
66 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
68 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
70 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
72 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
74 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
75 TARGET_ADD_ESP_8): New macros.
76 * i386.md: Add peep2s to convert esp adjustments to push and pop
78 (pushsi_prologue, popsi_epilogue): New patterns.
80 2000-04-12 Jakub Jelinek <jakub@redhat.com>
82 * real.c (toe64): Remove stale #endif from the last change.
84 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
86 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
87 * real.c (toe64): Revert previous change.
89 2000-04-12 Jakub Jelinek <jakub@redhat.com>
91 * objc/objc-act.c: Include ggc.h.
92 (objc_tree_index, objc_global_trees): Convert most of the
93 static tree variables into a static array with previous names
95 (objc_ellipsis_node): New variable.
96 (lang_init): Call objc_act_parse_init and c_parse_init.
97 Create objc_ellipsis_node.
98 (build_selector_translation_table): Use objc_ellipsis_node instead
100 (hack_method_prototype): Likewise.
101 (get_arg_type_list): Likewise.
102 (start_method_def): Likewise.
103 (continue_method_def): Likewise.
104 (gen_method_decl): Likewise.
105 (ggc_mark_imp_list): New function.
106 (ggc_mark_hash_table): New function.
107 (objc_act_parse_init): New function.
108 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
109 * c-parse.in (c_parse_init): For objc add roots of objc specific
110 local tree variables.
111 * objc/objc-parse.y: Rebuilt.
112 * objc/objc-parse.c: Rebuilt.
113 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
115 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
117 * cse.c (delete_trivially_dead_insns): Also delete insns
118 that copy a register to itself where the destination is
121 2000-04-11 Richard Henderson <rth@cygnus.com>
123 * flow.c (struct propagate_block_info): Add new_dead, new_live.
124 (propagate_block): Initialize them. Use them in parallel instead
125 of one tmp variable, ie revert much of the 0408 and 0407 functional
126 changes, but keep the structural changes.
127 (mark_set_regs): Take new_dead from propagate_block_info instead.
128 (mark_set_1, mark_set_reg): Likewise.
129 (mark_used_regs): Likewise with new_live.
130 (mark_used_reg): Likewise. Revert 0408 change.
132 2000-04-11 Nick Clifton <nickc@cygnus.com>
134 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
136 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
138 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
140 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
141 const section to output a CONSTRUCTOR based on the same conditions
144 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
146 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
147 * pa/pa-protos.h (output_call): Add additional argument indicating
148 if the call is a sibling/tail call.
149 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
150 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
151 (function_arg, function_arg_partial_nregs): Likewise
152 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
153 (emit_move_sequence): Zero extend certain constants as needed
155 (compute_zdepdi_operands, output_64bit_and): New functions.
156 (output_64bit_ior, function_arg): Likewise.
157 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
158 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
159 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
160 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
161 (output_bvb): Likewise.
162 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
163 (output_call): New argument 'sibcall'. Generate sibcall sequences
165 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
166 (ouput_arg_descriptor): Do not emit argument descriptors for
168 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
170 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
171 (FUNCTION_OK_FOR_SIBALL): Define.
172 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
173 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
174 (CPP_SPEC): Use new spec infrastructure.
175 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
176 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
177 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
178 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
179 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
180 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
181 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
182 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
183 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
184 (FUNCTION_ARG); Call out to C code.
185 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
186 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
187 (MIN_UNITS_PER_WORD): Likewise.
188 * pa/pa.md (cmpdi): New expander.
189 (scc patterns, movstrsi): Not available for TARGET_64BIT.
190 (64bit conditional arithmetic): New patterns.
191 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
192 (movsicc): Not available if modes on all the operands to not match.
193 (movdicc): New expander and associated patterns.
194 (64bit branches): New patterns.
195 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
196 (pre_ldd, post_std): New patterns.
197 (64bit addil, load low part): New patterns.
198 (special movsf constant): Not available for TARGET_64BIT.
199 (movsf, movdf expanders): Force constants into memory.
200 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
201 (64bit movdf/movdi patterns): New patterns.
202 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
204 (extendqidi2, extendhidi2, extendsidi2): Similarly.
205 (adddi3 expander): Allow "arith_operand" for second input.
206 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
207 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
208 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
209 (muldi3): New expander for TARGET_64BIT.
210 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
212 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
213 patterns for TARGET_64BIT.
214 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
215 patterns for TARGET_64BIT.
216 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
217 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
218 (sibcall_epilogue): New expander.
219 (casesi): Tweak for TARGET_64BIT.
220 (call expanders): Set & use the outgoing argument pointer. Use the
221 64bit call patterns as needed. Add additional arg to output_call.
222 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
223 (sibcall, sibcall_internal_symref): New expanders.
224 (sibcall_value, sibcall_value_internal_symref
225 (interspace_jump): Turn into an expander + matching patterns.
226 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
227 * pa/pa64-regs.h: Eliminate trigraph sequences.
228 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
230 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
232 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
233 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
234 cpp_token with cpp_ttype everywhere.
235 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
236 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
237 CPP_BUF_COL. Line and column numbers are unsigned int, not
239 * cpplex.c (cpp_buf_line_and_col): Delete.
240 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
241 'long lineno' to 'unsigned int lineno'.
242 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
244 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
246 * extend.texi: ISO C99 is not a draft anymore.
247 * invoke.texi: ISO C++ is not a draft anymore.
248 * cpp.texi: __cplusplus is required by the ISO standard.
250 * extend.texi (-fthis-is-variable): Undocument.
251 * flags.h (warn_template_debugging): Remove declaration.
252 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
253 -Wenum-clash, -Wtemplate-debugging): Undocument.
255 2000-04-10 Nick Clifton <nickc@cygnus.com>
257 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
259 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
261 (ARM_SIGN_EXTEND): Use HOST_UINT.
262 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
263 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
264 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
265 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
267 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
268 (arm_gen_constant): Use HOST_UINT.
269 (arm_canonicalize_constant): Use HOST_UINT.
270 (arm_reload_in_hi): Use HOST_UINT.
271 (arm_reload_out_hi): Use HOST_UINT.
272 (output_multi_immediate): Use HOST_UINT.
273 (int_log2): Use HOST_UINT.
274 (arm_poke_function_name): Use HOST_UINT.
275 (arm_output_epilogue): Use arm_volatile_func().
276 (output_thumb_prologue): Use arm_strip_name_encoding().
278 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
280 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
281 of sequence point problems.
283 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
285 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
287 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
289 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
291 * sbitmap.h: Whitespace changes and use upper-case macro args.
292 (struct simple_bitmap_def): All sizes now unsigned.
293 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
294 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
295 (sbitmap_vector_alloc): Parms and local vars now unsigned.
296 (sbitmap_zero): Cast bzero arg to PTR.
297 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
298 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
299 loop to make structure clearer.
300 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
301 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
302 (sbitmap_a_and_b_or_c): Likewise.
303 (sbitmap_intersection_of_succs): Minor cleanups.
304 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
305 (sbitmap_union_of_preds): Likewise.
306 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
307 (debug_sbitmap): New function.
309 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
310 * c-typeck.c (convert_for_assignment): Likewise.
312 * expmed.c (init_expmed): Don't free objects we make.
313 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
315 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
316 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
318 * gcse.c (expr_hash_table_size): Now unsigned.
319 (compute_ae_gen): Local variable `i' now unsigned.
320 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
321 (compute_transout, hoist_code): Likewise.
322 (compute_local_properties): Likewise, also hash_table_size.
323 (alloc_expr_hash_table): N_INSNS now unsigned.
324 (delete_null_pointer_checks): Mark arg F as unused.
326 * regrename.c: Minor cleanups, including chang some variables
329 2000-04-10 Neil Booth <NeilB@earthling.net>
331 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
333 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
335 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
337 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
338 __classof__, and __headof__ from the list of gnu keywords.
339 (-ansi): Remove -foperator-names from list of implied options.
340 Do not call it ANSI C++.
341 (-foperator-names): Document as -fno-operator-names.
343 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
345 * cpphash.c (timestamp): Delete.
346 (del_HASHNODE): If type is T_MCONST, free value.cpval.
347 (special_symbol): Remove unnecessary braces. Remove
348 T_VERSION. Treat T_STDC like T_CONST unless
349 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
350 when one is encountered, then convert them into T_MCONST
352 * cppinit.c (builtin_array): version_string is T_MCONST.
353 __STDC__ has a "1" in its cpval. Don't have a terminator
354 entry. Clean up which entries are dumped.
355 (initialize_builtins): Only __STDC__ gets the special
356 -traditional treatment. Count the length of builtin_array.
357 Render version_string here.
358 * cpphash.h: Remove T_VERSION. Add T_MCONST.
359 * cpplib.h (struct cpp_reader): Remove timebuf.
361 2000-04-09 Richard Henderson <rth@cygnus.com>
363 * genrecog.c (pred): Update comparison_operator for the unordered
366 * config/i386/i386.c (no_comparison_operator): Disallow unordered
368 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
369 (uno_comparison_operator): New.
370 (put_condition_code): Handle UNORDERED/ORDERED.
371 (unsigned_comparison): Likewise.
372 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
373 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
374 (ix86_expand_fp_compare): Use them. Take scratch as argument,
375 update all callers. Handle all 8 unordered operators.
376 (ix86_expand_setcc): Lose the unordered argument, update all callers.
377 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
378 * config/i386/i386.h (PREDICATE_CODES): Update.
379 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
380 (ix86_expand_branch, ix86_expand_setcc): Update.
381 * config/i386/i386.md (sunordered, sordered): New.
382 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
383 (bunordered, bordered): New.
384 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
385 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
386 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
388 2000-04-09 Philip Blundell <philb@gnu.org>
390 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
392 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
394 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
395 fix_truncxfhi2): New patterns.
396 * i386.c (output_fix_trunc): Handle converting to HImode.
398 2000-04-08 Alex Samuel <samuel@codesourcery.com>
400 * ssa.c (convert_to_ssa): Eliminate dead code when calling
402 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
403 (for_each_successor_phi): Change parameter to basic_block.
404 (coalesce_regs_in_successor_phi_nodes): Likewise.
405 (coalesce_regs_in_copies): Likewise.
406 (compute_coalesced_reg_partition): Use basic_block instead of index.
407 * rtl.h (convert_to_ssa): Delete.
408 (convert_from_ssa): Likewise.
409 (successor_phi_fn): Likewise.
410 (for_each_successor_phi): Likewise.
411 (in_ssa_form): Likewise.
412 * basic-block.h (convert_to_ssa): Moved from rtl.h.
413 (convert_from_ssa): Likewise.
414 (successor_phi_fn): Likewise.
415 (in_ssa_form): Likewise.
416 (for_each_successor_phi): Likewise. Change parameter to basic_block.
417 * flow.c (calculate_global_regs_live): Pass a basic_block to
418 for_each_successor_phi.
420 2000-04-08 Richard Henderson <rth@cygnus.com>
422 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
423 was modified in the current insn.
425 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
427 * arm/thumb.md: Delete.
428 * arm/thumb-protos.h: Delete.
430 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
432 Merge changes from merged-arm-thumb-backend-branch onto trunk.
434 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
436 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
439 * arm.md (nop): Use the standard RTL expression. Don't code as a
441 (*arm_nop, *thumb_nop): Delete.
443 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
444 constants. Use casts instead.
445 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
446 output_multi_immediate, arm_poke_function_name): Likewise.
447 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
448 MASK_RETURN_ADDDR): Likewise.
450 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
452 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
455 * arm.md (eh_epilogue): New function.
456 * arm.h (struct machine_function): Move to here ...
457 * arm.c: ... from here.
458 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
459 (thumb_exit): Extra parameter eh_ofs. All callers changed.
460 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
462 2000-03-30 Nick Clifton <nickc@cygnus.com>
464 * config/arm/semi.h (ASM_SPEC): Restore definition.
465 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
467 * config/arm/elf.h (ASM_SPEC): Restore definition.
468 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
470 * config/arm/arm.h (ASM_SPEC): Remove definition.
471 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
473 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
475 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
477 2000-03-24 Nick Clifton <nickc@cygnus.com>
479 Various formating tidyups, elimination of compile time
480 warnings and synchronisation with internal sources:
482 * config/arm/arm-protos.h (assemble_align): Add prototype.
483 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
484 (gen_comapre_reg): Rename to arm_gen_compare_reg.
485 (arm_return_addr_rtx): Rename to arm_return_addr.
487 * config/arm/arm.c: Include except.h.
488 Define shorter typenames for strict minipool_node and struct
490 (arm_return_in_memory): For WinCE return all structures <= 32 bits
492 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
493 (gen_comapre_reg): Rename to arm_gen_compare_reg.
495 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
497 (ASM_SPEC): Define if not already defined.
498 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
500 * config/arm/arm.md: Rename references to gen_rotated_half_load to
501 arm_gen_rotated_half_load, and references to gen_comapre_reg to
503 (indirect_jump): Only accept register operands.
504 (load_indirect_jump): Keep this pattern since combine can generate
507 * config/arm/coff.h: Include aout.h.
508 (MULTILIB_DEFAULTS): Only define if not already defined.
510 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
511 into arm.h (so that COFF ports can support thumb based aliases).
512 (ASM_SPEC): Move definition into arm.h
514 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
516 (ASM_SPEC): Move definition to arm.h
518 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
520 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
521 for entries in the .bss section
523 2000-03-23 Nick Clifton <nickc@cygnus.com>
525 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
526 to thumb_far_jump_used_p.
528 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
529 single integer parameter.
531 * config/arm/arm.c (struct machine_function): Add two new
532 fields, 'far_jump_used' and 'arg_pointer_live'.
533 (thumb_far_jump_used_p): Once the decision has been made that
534 far jumps might be used, always return true.
535 If being called from the initial elimination offset macro then
536 do not bother to perform the test if the arg pointer is not
538 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
539 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
541 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
543 * arm.c (output_return_instruction): Handle more cases where we can
544 return from a function with an ldr instruction.
545 (arm_output_epilogue): Likewise.
547 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
548 if we need to push a large stack frame and there are no callee-saved
551 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
552 in ARM code if the frame pointer has been eliminated.
554 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
555 unspec_volatile arguments to avoid duplicates.
556 (consttable_1, consttable_2): Fixes for big-endian mode.
558 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
561 Re-write constant pool code.
562 * arm.c (minipool_node, minipool_fix): New types.
563 (minifix): Delete type.
564 (arm_add_minipool_constant): Delete.
565 (arm_compute_minipool_offsets, arm_find_barrier,
566 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
567 (get_jump_table_size): Now returns HOST_WIDE_INT.
568 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
570 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
571 (assign_minipool_offsets, arm_print_value): Likewise.
572 (dump_minipool): Rewrite.
573 (arm_barrier_cost): New function.
574 (create_fix_barrier): New function.
575 (push_minipool_barrier): New function.
576 (push_minipool_fix): Record additional information about the fixup
578 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
579 check the mode of what needs fixing.
580 (arm_reorg): Rewrite.
582 2000-03-08 Nick Clifton <nickc@cygnus.com>
584 * config/arm/arm.md (indirect_jump): Force constant addresses into
587 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
589 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
591 2000-02-24 Nick Clifton <nickc@cygnus.com>
593 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
594 adjust is word aligned.
595 (thumb_expand_epilogue): Make sure that stack adjust is word
598 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
600 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
602 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
603 pointer relative addresses.
605 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
607 * arm.c (find_barrier): Find the last barrier within the allowed
610 2000-02-09 Nick Clifton <nickc@cygnus.com>
612 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
614 2000-02-09 Nick Clifton <nickc@cygnus.com>
616 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
617 ARM_FUNCTION_PROFILER.
619 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
620 ARM_FUNCTION_PROFILER.
622 * config/arm/linux-oldld.h: Imported from mainline sources.
624 2000-02-07 Nick Clifton <nickc@cygnus.com>
626 * config/arm/lib1funcs.asm: Merge in thumb functions from
629 * config/arm/lib1thumb.asm: Delete.
631 2000-02-04 Nick Clifton <nickc@cygnus.com>
633 * config/arm/arm.c: Sychronised with current Red hat local
635 * config/arm/arm.h: Ditto.
636 * config/arm/arm-protos.h: Ditto.
638 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
640 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
642 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
645 2000-02-02 Nick Clifton <nickc@cygnus.com>
647 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
649 * config/arm/arm.md (epilogue): Fix rtl checking abort because
650 (return) was emited using an emit_insn() call.
652 2000-01-31 Nick Clifton <nickc@cygnus.com>
654 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
656 (thumb_exit): Move frame pointer back into hard frame pointer
657 register if backtracing is being used.
659 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
661 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
664 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
666 * config/arm/arm.md (neg_pool_offset): Provide default for new
668 (arm_movsi_insn): Add neg_pool_offset attribute.
669 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
670 rtx for the insn that starts the scan and an unsigned long for its
671 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
672 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
673 instructions in *PINSERTED.
674 (struct minipool_fixup): Add MIN_ADDRESS elt.
675 (sort_fixups): Compute it.
676 (arm_reorg): Changes to support inserting pools before the insn to be
679 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
681 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
682 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
683 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
685 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
687 * config/arm/semi.h (TARGET_VERSION): Do not define if already
689 (TARGET_DEFAULT): Do not define if already defined.
691 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
693 * config/arm/arm.md (anddi3): Allow disjoint source operands.
694 (iordi3): Allow disjoint source operands.
695 (xordi3): Allow disjoint source operands.
696 (negdi2): Permit construction for ARM and Thumb.
697 (arm_negdi2): Renamed version of old negdi2 pattern.
698 (thumb_negdi2): New pattern: Only permit non-overlapping
699 source and destination.
701 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
703 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
704 scratch low register so that it will not be deleted.
706 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
708 * config/arm/pe.h (ARM_PE): Define.
710 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
711 interfacearm attribute if this is a PE toolchain.
712 (output_return_instruction): Do not emit anything if the function
713 has the naked attribute set.
714 (is_called_in_ARM_mode): If the function has the interfacearm
715 attribute then return true.
716 (thumb_expand_prologue): Do not generate a prologue for naked
718 (thumb_expand_epilogue): Do not generate an epilogie for a naked
720 (output_thumb_prologue): Do not bother if the function is naked.
721 Strip PE encoding from function name before emitting.
723 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
725 * arm.md (pic_load_addr): Fix constraints.
727 * arm.md (casesi_insn): Fix mis-applied patch.
729 * arm.md ("core" function unit): Add rules for single- and
731 (All TARGET_THUMB patterns): Add "type" attribute information
733 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
734 the following insn is a CALL.
736 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
738 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
739 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
740 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
742 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
744 * config/arm/linux-gas.h: oops - this file was missed out when the
745 branch was created...
747 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
749 * thumb.c: Deleted. Move contents to ...
751 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
753 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
756 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
757 declare a prototype for asm_output_align();
759 * arm.c (thumb_condition_code): Delete.
760 (arm_print_operand): Always use arm_condition_code array.
762 * arm.c (thumb_return_addr_rtx): Delete.
763 (arm_save_machine_status, arm_restore_machine_status): Delete.
764 (arm_init_machine_status, arm_mark_machine_status): New functions.
765 (arm_init_expanders): Update accordingly.
766 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
767 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
768 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
770 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
772 * configure.in : Fix arm-*-aout target to use new t-arm-aout
774 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
777 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
779 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
780 stack backtrace structure.
782 * config/arm/arm-protos.h: Add prototypes for functions defined in
785 * config/arm/arm.c (arm_override_options): Fix selection of
786 attributes of default processor.
788 * config/arm/coff.h: Delete needless #include.
790 * config/arm/pe.c: Delete unused code.
792 * config/arm/pe.h (CPP_DEFINES): Delete
793 (SUBTARGET_CPP_SPEC): Define.
794 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
796 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
798 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
800 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
802 (CAN_DEBUG_WITHOUT_FP): Define.
803 (FIXED_REGISTERS): Make r11 call-saved.
804 (CALL_USED_REGISTERS): Likewise.
805 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
806 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
807 frame-pointer is required.
808 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
809 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
810 if the target normally needs a stack frame in non-leaf functions.
811 (use_return_insn): Correct logic for determining when a return
812 instruction can be used.
813 (output_return_instruction): Handle the frame-pointer register as
814 a normal register when not TARGET_APCS_FRAME.
815 (arm_output_prologue): Likewise.
816 (arm_output_epilogue): Likewise.
817 (output_func_epilogue): Likewise.
818 (arm_expand_prologue): Likewise.
819 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
821 * arm.c (use_return_insn): No need to check floating point regs if
823 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
824 the code of value stored in the minipool array.
825 (arm_add_minipool_constant): Likewise.
827 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
829 * basic-block.h (conflict_graph_enum_fn): K&R fix.
831 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
833 * tree.c (tree_expr_nonnegative_p): New function.
835 * tree.h (tree_expr_nonnegative_p): Declare.
837 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
838 elide some sign_compare warnings.
839 (build_conditional_expr): Likewise.
841 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
843 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
845 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
846 * i386.c (print_operand): Use the proper suffix for a 387 HImode
847 operand. Abort if a 387 operand has an unsupported size.
849 2000-04-08 Neil Booth <NeilB@earthling.net>
851 * cppexp.c (parse_charconst): Null does not end character
853 * cppinit.c (ISTABLE): Null character handled as whitespace.
854 * cpplex.c (null_warning): new function.
855 (skip_string): Emit warning if nulls encountered.
856 (_cpp_skip_hspace): Emit warning if nulls encountered.
857 (_cpp_lex_token): Emit warning if nulls encountered. Drop
861 2000-04-07 Richard Henderson <rth@cygnus.com>
863 * flow.c (loop_depth): Remove.
864 (reg_next_use, cc0_live, mem_set_list): Replace with ...
865 (struct propagate_block_info): New.
866 (life_analysis): Don't allocate reg_next_use.
867 (propagate_block_delete_insn): Break out of propagate_block.
868 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
869 (propagate_block_delete_libcall): Likewise.
870 (propagate_block): Create a propagate_block_info struct to pass
871 to subroutines. Allocate one not two temporary regsets. Don't
872 clobber memory for const calls. Look for clobbers in
873 CALL_INSN_FUNCTION_USAGE.
874 (mark_set_regs): Recognize COND_EXEC.
875 (mark_set_reg): Break out of mark_set_1.
876 (mark_used_reg): Break out of mark_used_regs.
877 (mark_used_regs): Recognize COND_EXEC.
878 (insn_dead_p): Use propagate_block_info struct.
879 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
880 (find_auto_inc, try_pre_increment_1): Likewise.
881 (print_rtl_with_bb): Dump regs live at end too.
882 (count_reg_sets_1): Pass in loop_depth.
883 (count_reg_sets, count_reg_references): Likewise.
884 (recompute_reg_usage): Provide it.
886 2000-04-07 Richard Henderson <rth@cygnus.com>
888 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
891 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
893 * cpplib.c (do_elif): Skip the rest of the line if we're
894 not going to bother evaluating it.
895 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
896 to avoid pointless calls to the lexer.
898 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
900 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
902 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
904 * calls.c (expand_call): emit_queue if we're trying a sibcall.
906 2000-04-07 Jakub Jelinek <jakub@redhat.com>
908 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
910 2000-04-06 Geoff Keating <geoffk@cygnus.com>
912 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
913 crtend so they can be multilibbed.
914 (STAGESTUFF): Remove s-crt and s-crtS.
916 2000-04-07 Richard Henderson <rth@cygnus.com>
918 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
919 if we discover we need a pseudo and no_new_pseudos is true.
920 * config/alpha/alpha.md (ne:DI insn): New.
921 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
923 2000-04-07 Richard Henderson <rth@cygnus.com>
925 * rtl.def (COND_EXEC): New.
926 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
927 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
929 * genconfig.c (have_cond_arith_flag): Remove.
930 (have_cond_exec_flag): New.
931 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
932 (main): Print HAVE_conditional_execution.
934 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
935 (sched_analyze_insn, print_pattern): Likewise.
936 * reload.c (find_equiv_reg): Likewise.
937 * rtlanal.c (reg_referenced_p): Likewise.
938 (note_stores, dead_or_set_regno_p): Likewise.
939 (reg_overlap_mentioned_p): Rewrite to use a switch.
941 * ggc.h (struct rtx_def): Forward declare.
943 * print-rtl.c (debug_rtx_range): New.
944 * rtl.h (debug_rtx_range): Declare.
946 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
948 * gcse.c (gcse_main): Don't rebuild the CFG here.
949 (delete_null_pointer_checks): Likewise.
950 * ssa.c (convert_to_ssa): Likewise.
951 * toplev.c (rest_of_compilation): Do it here instead. Combine
952 sequential calls to TIMEVAR. Consistently use `insns' instead of
953 `get_insns()'. Always split insns after reload when optimizing.
955 * basic-block.h (merge_blocks_nomove): Declare.
956 (tidy_fallthru_edge): Declare.
957 * flow.c (merge_blocks_nomove): Document as merging into previous
958 blocks. Remove cruft from between blocks; remove all edges out of A.
959 (tidy_fallthru_edge): Export.
961 2000-04-06 Alex Samuel <samuel@codesourcery.com>
963 * ssa.c (compute_conservative_reg_partition): Declare with
965 * toplev.c (clean_dump_file): Remove previously-deleted function
966 inadvertantly merged back in.
967 * conflict.c (conflict_graph_add): Use a single call to
968 htab_find_slot to look up and insert.
970 2000-04-06 Richard Henderson <rth@cygnus.com>
972 * genrecog.c (*): Rename _last_insn to last_insn.
973 (make_insn_sequence): Set the position of the peephole2 C test
974 to be at the last insn.
976 2000-04-06 Richard Henderson <rth@cygnus.com>
978 * flow.c (compute_flow_dominators): Free worklist.
980 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
982 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
984 2000-04-06 Alex Samuel <samuel@codesourcery.com>
986 * rtl.h (INSN_P): New macro.
987 (successor_phi_fn): New typedef.
988 (for_each_successor_phi): New prototype.
989 (in_ssa_form): New variable.
990 (PHI_NODE_P): Likewise.
991 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
992 phi nodes in successors.
993 (mark_used_regs): Add PHI case.
994 (set_phi_alternative_reg): New function.
995 (life_analysis): Assert that dead code elimination is not selected
997 * toplev.c (to_ssa_time): New variable.
998 (from_ssa_time): Likewise.
999 (compile_file): Zero to_ssa_time and from_ssa_time.
1000 Print time to convert to and from SSA.
1001 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
1002 (print_time): Compute percent fraction as integer.
1003 * ssa.c (PHI_NODE_P): Moved to rtl.h.
1004 (convert_to_ssa): Check if we're already in SSA.
1005 Don't eliminate dead code in life_analysis.
1006 Rerun flow and life analysis at bottom.
1007 (eliminate_phi): Use canonical regnos when adding nodes.
1008 (mark_reg_in_phi): New function.
1009 (mark_phi_and_copy_regs): Likewise.
1010 (convert_from_ssa): Rerun life analysis at top.
1011 Use coalesced partition.
1012 Check for removing a phi node at the end of the block.
1013 (compute_coalesced_reg_partition): New function.
1014 (coalesce_regs_in_copies): Likewise.
1015 (coalesce_reg_in_phi): Likewise.
1016 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
1017 (for_each_successor_phi): Likewise.
1018 (rename_context): New struct.
1019 (rename_block): Use a rename_context with rename_insn_1. When
1020 renaming sets of a subreg, emit a copy of the entire reg first.
1021 (rename_insn_1): Treat data as a rename_context *. Save current
1023 (rename_set_data): Add field set_insn.
1024 * Makefile.in (HASHTAB_H): Move up in file.
1025 (OBSTACK_H): New macro.
1026 (collect2.o): Use OBSTACK_H in dependencies.
1027 (sdbout.o): Likewise.
1028 (emit-rtl.o): Likewise.
1029 (simplify-rtx.o): Likewise.
1030 (fix-header.o): Likewise.
1031 (OBJS): Add conflict.o.
1032 (conflict.o): New rule.
1033 * basic-block.h: Include partition.h.
1034 (conflict_graph): New typedef.
1035 (conflict_graph_enum_fn): Likewise.
1036 (conflict_graph_new): New prototype.
1037 (conflict_graph_delete): Likewise.
1038 (conflict_graph_add): Likewise.
1039 (conflict_graph_conflict_p): Likewise.
1040 (conflict_graph_enum): Likewise.
1041 (conflict_graph_merge_regs): Likewise.
1042 (conflict_graph_print): Likewise.
1043 (conflict_graph_compute): Likewise.
1044 * conflict.c: New file.
1046 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
1048 * tlink.c (read_repo_files): Don't look for .rpo info for
1051 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1053 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
1055 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1057 * config/sh/lib1funcs.asm (___udivsi3_i4):
1058 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
1059 only depends on FMOVD_WORKS.
1061 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1063 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
1064 make double constant 8-byte aligned.
1066 2000-04-06 Jakub Jelinek <jakub@redhat.com>
1068 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
1069 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
1070 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
1071 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
1072 Accept storing GENERAL_REGS into offsetable memory.
1073 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
1074 building a TFmode constant other than 0.0L into GENERAL_REGS.
1076 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
1078 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
1080 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
1082 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
1083 (macro_cleanup): No need to cast pbuf->macro.
1084 (collect_expansion): Use _cpp_get_define_token. Goto done if
1085 it returns VSPACE. Remove check for trailing space after
1087 (_cpp_create_definition): Don't diddle flags here. Return
1089 (unsafe_chars): Handle c1 being EOF.
1090 (push_macro_expansion): Use unsafe_chars for both accidental-paste
1091 checks. Don't push the buffer till after we're done with
1093 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
1094 (PEEKN, FORWARD, GETC, PEEKC): Use them.
1095 (cpp_push_buffer): Don't set new->alimit. Set new->mark
1097 (_cpp_parse_assertion): Don't NUL terminate.
1098 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
1099 hspace before calling _cpp_parse_assertion. Remove all sets
1100 of only_seen_white. Treat '\f' as hspace. Don't do anything
1101 special with '\n' here.
1102 (maybe_macroexpand): Handle T_EMPTY hash entries without
1103 pushing a buffer at all.
1104 (cpp_get_token): Handle clearing only_seen_white here. Handle
1105 incrementing the line number here. Clear
1106 potential_control_macro as well as only_seen_white, if
1108 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
1109 (_cpp_get_define_token): New function, basically like
1110 _cpp_get_directive_token was but doesn't eat horizontal space.
1111 Don't do anything with only_seen_white here.
1112 (_cpp_get_directive_token): Just call _cpp_get_define_token
1113 repeatedly till it returns non-hspace.
1115 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
1116 (conditional_skip, skip_if_group): Return int.
1117 (DIRECTIVE_TABLE): Change origin of all conditional directives
1119 (TRAD_DIRECT_P): New macro.
1120 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
1121 an error for a bogus directive, unless -lang-asm. Use
1122 TRAD_DIRECT_P. Loop calling handler functions till one returns
1124 (get_macro_name): Don't diddle flags here.
1125 (do_define): Diddle flags here. Use _cpp_get_directive_token.
1126 Create T_EMPTY nodes for #define macro /* nothing */.
1127 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
1128 Use hp->name when calling pass_thru_directive.
1129 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
1130 Return the result of conditional_skip and/or skip_if_group.
1131 Don't call _cpp_output_line_command.
1132 (consider_directive_while_skipping): Use _cpp_get_directive_token.
1133 Issue -Wtraditional warnings as appropriate. Don't complain
1134 about unrecognized directives. If we are to stop skipping,
1135 return the number of the directive that ended the skip.
1136 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
1137 expansion and line commands while skipping. Return the result
1138 of consider_directive_while_skipping, if nonzero.
1139 (do_endif): Just set potential_control_macro here.
1140 (validate_else): Use _cpp_get_directive_token.
1141 (do_assert, do_unassert): Don't save pointers into the
1142 token_buffer across calls to the lexer. Use
1143 _cpp_get_directive_token.
1145 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
1146 pointer, not an offset. Replace 'data', which was a generic
1147 pointer, with 'macro', which points to a struct hashnode.
1148 (cpp_reader): Add 'potential_control_macro' pointer.
1149 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
1150 (CPP_BUF_GET, CPP_FORWARD): Delete.
1151 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
1152 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
1153 ACTIVE_MARK_P): Update.
1154 (_cpp_get_define_token): New internal function.
1155 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
1157 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
1159 * configure.in: And here.
1160 * configure: Regenerate.
1161 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
1162 --enable-libstdcxx-v3 is passed at configure time.
1163 * config.h.in: Regenerate.
1165 2000-04-05 Mark Mitchell <mark@codesourcery.com>
1167 * final.c (final): Use xcalloc to allocate line_note_exists.
1168 * function.c (free_after_compilation): Free the temp_slots.
1169 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
1170 (combine_temp_slot): Free temp_slots when they get combined.
1171 (purge_addressof): Fix typo in comment.
1172 * stmt.c (mark_goto_fixup): Mark the fixup itself.
1173 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
1175 * ggc.h: Include varray.h.
1176 (ggc_pending_trees): Declare.
1177 (ggc_mark_tree_children): Remove declaration.
1178 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
1179 * ggc-common.c (ggc_pending_trees): New variable.
1180 (ggc_mark_roots): Call ggc_mark_trees.
1181 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
1182 the ggc_pending_trees.
1183 * Makefile.in (GGC_H): New variable. Use it throughout in place
1186 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1188 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
1191 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1193 * sh.c (sh_insn_length_adjustment): New function.
1194 * sh-protos.h (sh_insn_length_adjustment): Declare.
1195 * sh.h (ADJUST_INSN_LENGTH): Use it.
1197 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
1199 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
1200 from the insn where REG_RETVAL is added.
1201 (emit_no_conflict_block): Ditto.
1203 * md.texi (Standard Names): Clarify when movX is needed.
1205 * combine.c (simplify_comparison) [MINUS]: Do not replace
1206 all (op (minus A B) 0) with (op A B).
1208 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
1209 J"orn Rennecke <amylaar@cygnus.co.uk>
1211 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
1212 (block_lump_real): Likewise.
1214 2000-04-05 Chris Demetriou <cgd@netbsd.org>
1216 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
1217 remaining non-zero debugging masks.
1219 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
1221 * basic-block.h (verify_flow_info): Declare.
1222 (flow_loop_outside_edge_p): Declare.
1223 * flow.c (verify_flow_info): Remove declaration.
1224 (clear_log_links, flow_loop_outside_edge_p): Likewise.
1226 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
1228 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
1231 2000-04-05 Jakub Jelinek <jakub@redhat.com>
1233 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
1234 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
1235 seqdi_zero_trunc+1): Allow splits only if registers are
1238 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
1240 * acconfig.h: Add HAVE_GAS_HIDDEN.
1241 * config.in: Regenerated.
1242 * configure.in: Add test for .hidden pseudo-op in gas.
1243 * configure: Regenerated.
1244 * crtstuff.c: Include auto-host.h.
1245 Emit additional .hidden pseudo-op for __dso_handle if the
1246 assembler knows about it.
1248 2000-04-04 Philippe De Muyter <phdm@macqel.be>
1250 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
1251 before freeing argnames.
1252 * cpplib.c (do_ifndef): Cast return value of xstrdup.
1254 2000-04-05 Michael Meissner <meissner@redhat.com>
1256 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
1257 Walton <jonboy@gordian.com> to make memory references with update
1258 work wtih -mregnames.
1260 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1262 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
1263 (regrename_optimize): Rename variables `def_uses' and
1264 `ext_basic_blocks' to avoid conflicts with similarly named
1265 typedefs in traditional C.
1267 * calls.c (initialize_argument_information): Fix typo in previous
1270 2000-04-04 Richard Henderson <rth@cygnus.com>
1272 * regrename.c (consider_available): Test fixed_regs not
1273 PIC_OFFSET_TABLE_REGNUM.
1275 2000-04-04 Geoff Keating <geoffk@cygnus.com>
1277 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
1279 (CRTSTUFF_T_CFLAGS_S): Delete definition.
1280 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
1281 (ENDFILE_LINUX_SPEC): Always use crtend.
1282 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
1283 (powerpc-*-linux-gnu): Likewise.
1284 * configure: Regenerate.
1286 * config/rs6000/eabi.h: Don't include sysv4.h.
1287 (MULTILIB_DEFAULTS): Don't define.
1288 * config/rs6000/eabiaix.h: Don't include eabi.h.
1289 * config/rs6000/eabile.h: Delete.
1290 * config/rs6000/eabilesim.h: Delete.
1291 * config/rs6000/eabisim.h: Don't include eabi.h.
1292 * config/rs6000/linux.h: Don't include sysv4.h.
1293 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
1294 (MULTILIB_DEFAULTS): Don't redefine.
1295 * config/rs6000/rtems.h: Don't include eabi.h.
1296 * config/rs6000/sol2.h: Don't include sysv4le.h.
1297 * config/rs6000/sysv4le.h: Don't include sysv4.h.
1298 * config/rs6000/t-ppc: Delete.
1299 * config/rs6000/t-ppcgas: Correct comment.
1300 * config/rs6000/t-ppcos: Correct comment. Don't build
1301 multilibs for -fPIC, rather use -fPIC -mstrict-align
1303 * config/rs6000/t-ppc: Delete.
1304 * config/rs6000/vxppc.h: Don't include sysv4.h.
1305 * config/rs6000/vxppcle.h: Delete.
1306 * configure.in: Use multiple header files for p2pc ELF targets
1307 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
1308 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
1309 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
1310 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
1311 always available for these platforms.
1313 2000-04-04 Richard Henderson <rth@cygnus.com>
1315 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
1317 2000-04-04 Stan Cox <scox@cygnus.com>
1319 * Makefile.in: Add rules for regrename.o
1320 * regrename.c: New file.
1321 * rtl.h (regrename_optimize): Add prototype.
1322 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
1323 (compile_file, decode_d_option): Add support for -frename-registers.
1324 (rest_of_compilation): Call regrename_optimize.
1325 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
1328 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1330 * Makefile (gccbug): New target.
1331 (doc): Depend on it.
1332 * gcc.texi (Bugs): Link subnodes.
1334 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
1335 Document severities, priorities, and classes in bug form.
1337 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1339 * cpplex.c (trigraph_map, speccase): Combine into single
1341 (NORMAL, NONTRI): New macros.
1342 (_cpp_read_and_prescan): Change to use unified table. Use
1343 is_hspace to test for whitespace.
1345 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1346 definition that doesn't provoke the "empty body in an
1347 if-statement" warning.
1349 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1351 * builtins.c (expand_builtin_strlen): Force the source to
1352 be a memory address.
1354 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1356 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1358 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1360 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1361 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1362 (ECF_IS_CONST): Rename to ECF_CONST.
1363 (special_function_p): Make static, change interface.
1364 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1365 (expand_call) ... here; convert number of variables to flags.
1366 (emit_library_call_vlue_1): Likewise.
1367 (setjmp_call_p): New function.
1368 (initialize_argument_information): Accepts flags as argument;
1370 (precompute_arguments): Likewise.
1371 * tree.h (special_function_p): Remove.
1372 (setjmp_call_p): Add prototype.
1374 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1376 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1377 so that addresses are offsetable by up to 16 bytes.
1378 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1379 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1382 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1383 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1384 (movsf): Don't force any constant to memory if target is integer
1386 Move fp_zero_operand check below the const0_rtx check.
1387 (movtf): Likewise. Also allow fp_zero_operand for stores into
1389 (movdf): Likewise. Also allow fp_zero_operand for stores into
1390 memory and into integer hard registers.
1391 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1392 movdf_const_intreg_sp64): Remove.
1393 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1395 (movdf_no_e_insn_v9_sp32): New pattern.
1396 (movdf_insn_v9only): Remove.
1397 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1398 (movdf_insn_sp64): Remove.
1399 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1400 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1401 (following splits): Rewrite conditions. Add two new splits
1402 for storing 0.0 into memory and registers.
1403 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1404 (movtf_insn_sp32): Redo constraints and conditions.
1405 (movtf_insn_vis_sp32): New pattern.
1406 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1407 (movtf_insn_hq_sp64): Likewise.
1408 (movtf_insn_hq_vis_sp64): New pattern.
1409 (movtf_insn_sp64): Redo constraints and conditions.
1410 (movtf_insn_vis_sp64): New pattern.
1411 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1412 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1414 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1415 -mvis or -m64 to take down the number of various reload patterns.
1417 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1419 * pa/pa-64.h: New file.
1420 * pa/pa64-regs.h: New file.
1421 * pa/pa64-start.h: New file.
1422 * pa/t-pa64: New file.
1423 * pa/xm-pa64hpux.h: New file.
1425 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1427 * sparc.c (output_restore_regs): Prototype.
1428 (sparc_emit_float_lib_cmp): Constification.
1430 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1432 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1435 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1436 (get_value_hash, hash_rtx): Likewise.
1438 * ssa.c (compute_conservative_reg_partition): Prototype.
1440 * tree.c (mark_hash_entry): Prototype.
1442 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1444 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1445 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1446 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1448 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1449 * objc/lang-specs.h: Likewise.
1451 2000-04-03 Neil Booth <NeilB@earthling.net>
1453 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1454 and SYNTAX_ERROR2. Replace `' in messages with ''.
1455 (op_to_str): Make re-entrant.
1456 (_cpp_parse_expr): Implement new error macros. Use | rather
1457 than || to logically or 2 boolean integers. Simply expression
1458 checking we have a left operand iff needed.
1460 2000-04-03 Nick Clifton <nickc@cygnus.com>
1462 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1464 2000-04-03 Philip Blundell <philb@gnu.org>
1466 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1468 2000-04-03 Felix Lee <flee@cygnus.com>
1470 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1471 (run_shell): Use it.
1473 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1475 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1476 (stmp-fixproto): ...rather than here.
1478 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1480 * pa.c (print_operand): Compute 'base' only inside the code paths
1483 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1485 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1488 2000-04-03 Philipp Thomas <pthomas@suse.de>
1490 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1492 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1494 * Makefile.in (alias.o): Depend on $(TREE_H).
1496 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1498 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1500 * cpplib.c (_cpp_handle_directive): Improve warnings for
1501 traditional C and indented directives.
1503 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1504 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1505 fixinc/inclhack.def: Indent the # of #include_next one space.
1506 * cp/rtti.c: Un-indent #if and #endif.
1508 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1509 syntax error, but an error has already been printed.
1510 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1511 message when called with nothing remaining on the line.
1512 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1513 OTHER token, not an ASSERTION.
1514 * cpplib.c (do_assert): When we create a 'base' node, clear
1515 its aschain pointer.
1517 2000-04-02 Neil Booth <NeilB@earthling.net>
1519 * cppexp.c: New typedef op_t. struct operation and struct
1520 token updated to use it.
1521 (op_to_str): New function.
1522 (_cpp_parse_expr): Error messages modified to use op_to_str.
1524 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1526 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1527 before checking MUST_PASS_IN_STACK.
1529 2000-04-02 Neil Booth <NeilB@earthling.net>
1531 * cppexp.c: New FINISHED dummy token. Combine operator initial
1532 flags and initial priority into a single constant. New
1533 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1534 (_parse_cpp_expr): Implement new constants. Take left operand
1535 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1536 parse indicated by reducing FINISHED token. Remove new lines
1537 from cpp_error messages.
1539 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1541 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1544 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1546 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1547 directive. Add origin values to DIRECTIVE_TABLE. Generate
1548 the strings and function names on the fly. Take the #sccs
1549 entry out of the table if SCCS_DIRECTIVE is not defined.
1550 (_cpp_handle_directive): Decide if the # was at the beginning
1551 of the line here. Issue -pedantic warnings for extended
1552 directives here. Warn about K+R directives with the #
1553 indented, and C89/extended directives with the # not indented,
1555 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1556 do_assert, do_unassert): Don't issue pedantic warning here.
1558 * cpphash.h: Add CPP_WTRADITIONAL macro.
1559 * cpplib.h (struct cpp_options): Rename warn_stringify to
1560 warn_traditional; update comments.
1561 * cppinit.c (handle_option): Set warn_traditional not
1563 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1564 CPP_WTRADITIONAL (pfile).
1565 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1566 be ignored in -traditional mode here.
1568 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1569 to initialize speccase[] and trigraph_map[]. Delete all
1570 references to pfile->input_speccase. Always treat '?' as a
1571 special character. Remove table-initialization code from
1572 _cpp_init_input_buffer.
1574 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1575 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1577 2000-04-01 Richard Henderson <rth@cygnus.com>
1579 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1580 (mostlyclean): Likewise.
1582 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1583 (struct dump_file_info, enum dump_file_index, dump_file): New.
1584 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1585 not a string. Clean out file if we havn't yet done so. Do nothing
1586 if the dump isn't enabled.
1587 (close_dump_file): Do nothing if the dump isn't open. Dump
1588 graph data if requested.
1589 (dump_rtl, clean_dump_file): Remove.
1590 (compile_file): Don't clean the dump files. Only finalize .bp dump
1591 if flag_test_coverage or flag_branch_probabilities. Only finalize
1592 .combine dump if optimizing. Iterate over dump_file to finalize the
1594 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1595 Convert all uses of dump_rtl.
1596 (decode_d_option): Iterate over dump_file to implement 'a' and to
1597 locate pass-specific dumps.
1599 2000-04-01 Neil Booth <NeilB@earthling.net>
1601 * cppexp.c: Redefine priority constants.
1602 (_cpp_parse_expr): Replace left and right priority scheme with
1603 single priority logic. Move LOGICAL to same place as COMPARE.
1604 Remove bogus check for multiple unary +/- operators.
1606 2000-04-01 Neil Booth <NeilB@earthling.net>
1608 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1609 within the switch statement. Binary operations break out of
1610 the switch naturally. '(' tokens handled by forcing
1611 immediate shift. ')' handled by forcing immediate reduce to
1612 the previous '('. New error messages.
1614 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1616 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1617 part', it's already in use. Use %K instead. Add a return at the
1618 end of what is now %K.
1619 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1621 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1623 * builtins.c (expand_builtin_apply): Pass proper parameters to
1624 allocate_dynamic_stack_space.
1625 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1626 update stack_pointer_delta; do not update arg_size_so_far.
1627 (compute_argument_block_size): Use stack_delta instead of
1628 stack_pointer_pending and arg_size_so_far.
1629 (expand_call): Add sanity checking for stack_pointer_delta;
1630 save and restore stack_pointer_delta for SIB, use
1631 stack_pointer_delta for alignment; do not update arg_space_so_far.
1632 (emit_library_call_value): Use stack_pointer_delta for alignment.
1633 (store_one_arg): Do not update arg_space_so_far.
1634 * explow.c (adjust_stack, anti_adjust_stack): Update
1635 stack_pointer_delta.
1636 (allocate_dynamic_stack_space): Add sanity checking for
1637 stack_pointer_delta.
1638 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1639 stack_pointer_delta.
1640 (emit_push_insn): Update stack_pointer_delta.
1641 * function.h (struct expr_status): Add x_stack_pointer_delta;
1642 remove x_arg_space_so_far.
1643 (arg_space_so_far): Remove.
1644 (stack_pointer_delta): New macro.
1646 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1648 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1649 Reorder struct cpp_options and struct cpp_reader for better
1650 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1651 takes two args. Change all 'char' flags to 'unsigned char'.
1652 Move show_column flag into struct cpp_options. Don't
1653 prototype cpp_options_init.
1654 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1655 cppinit.c, cpplex.c, cpplib.c:
1656 Replace CPP_OPTIONS (pfile)->whatever with
1657 CPP_OPTION (pfile, whatever), and likewise for
1658 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1660 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1661 Extract CPP_OPTION (pfile, pending) and work with that
1663 (cpp_options_init): Delete.
1664 (cpp_reader_init): Turn on on-by-default options here.
1665 Allocate the pending structure here.
1666 (cl_options, enum opt_code): Define these from the same table,
1667 kept in a large macro. Add -fshow-column and -fno-show-column
1670 * cpperror.c (v_message): If show_column is off, don't print
1673 * cppmain.c: Update for new interface.
1674 * fix-header.c: Likewise.
1676 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1678 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1680 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1681 are passed to any invocation of AR_FOR_TARGET.
1682 (AR_CREATE_FOR_TARGET): New macro.
1683 (AR_EXTRACT_FOR_TARGET): New macro.
1684 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1685 AR_EXTRACT_FOR_TARGET.
1686 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1687 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1688 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1689 AR_EXTRACT_FOR_TARGET to sub-makes.
1691 2000-03-31 Neil Booth <NeilB@earthling.net>
1693 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1695 (_cpp_parse_expr): Check for multiple unary +/- operators.
1696 Correct priorities of ':' and '?'. Treat ')' as having a
1697 value. Ensure conditional expression is not void.
1699 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1701 * alias.c (canon_rtx): Make it global.
1702 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1704 * cse.c (struct table_elt): Add canon_exp.
1706 (invalidate): Canonicalize expressions only once.
1707 * rtl.h (canon_rtx): Declare.
1709 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1711 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1712 * alias.c (reg_known_value): Add comments.
1713 (init_alias_analysis): Likewise.
1714 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1716 (cse_basic_block): Fix typo in comment.
1717 * emit-rtl.c: Include hashtab.h.
1718 (const_int_htab): New variable.
1719 (const_int_htab_hash): New function.
1720 (const_int_htab_eq): Likewise.
1721 (rtx_htab_mark_1): Likewise.
1722 (rtx_htab_mark): Likewise.
1723 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1724 (unshare_all_rtx): Fix formatting.
1725 (init_emit_once): Initialize const_int_htab.
1726 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1728 * rtl.texi: Document the fact that all CONST_INTs with the same
1731 2000-03-30 Richard Henderson <rth@cygnus.com>
1733 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1735 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1737 * configure.in: Comment out --enable-c-cpplib stanza.
1738 * configure: Regenerate.
1740 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1742 * expr.c (store_constructor): Properly compute displacement and
1743 alignment when offset is variable.
1745 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1746 cases of alignment in bytes.
1748 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1750 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
1751 since it is used to generate c-parse.y.
1752 * objc-parse.c, objc-parse.y: Regenerated.
1754 * function.c (expand_function_end): Pass alignment argument to
1755 emit_block_move in bits, not bytes.
1757 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1759 * expr.c (move_by_pieces_ninsns): Fix one more missing align
1762 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
1764 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
1765 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
1766 * function.c (assign_parms): Likewise.
1767 * integrate.c (expand_inline_function): Likewise.
1768 * stmt.c (expand_decl): Likewise.
1769 (copy_rtx_and_substitute): Likewise.
1770 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
1771 (clear_by_pieces): Fix error in last change.
1772 * emit-rtl.c (init_emit): Set known registers alignment in bits.
1773 * function.h (regno_pointer_align): Now unsigned.
1774 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
1776 * config/i386/i386.c (aligned_operand): Likewise.
1777 * config/sparc/sparc.c (mem_min_alignment): Likewise.
1778 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
1779 (unaligned_memory_operand): Likewise.
1780 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1781 Also make alignments and sizes unsigned and some whitespace cleanup.
1782 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
1784 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
1785 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
1786 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
1787 (expand_builtin_memset): Likewise, but to clear_storage.
1788 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
1789 (restore_fixed_argument_area): Likewise.
1790 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
1791 (load_register_parameters): Likewise, to emit_group_load.
1792 (expand_call): Likewise, to emit_group_store and emit_block_move.
1793 (emit_library_call_value_1): Likewise, to emit_block_move.
1794 (store_one_arg): Likewise, and to emit_push_insn.
1795 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
1796 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
1797 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
1798 (emit_block_move, emit_group_load, emit_group_store): Likewise.
1799 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
1800 (expand_assigment, store_expr, store_constructor_field): Likewise.
1801 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
1802 (store_constructor, store_field, get_inner_reference): Likewise.
1803 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
1804 (expand_expr, case COMPONENT_REF): Likewise.
1805 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
1806 and positions; reindent code.
1807 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
1808 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
1809 (assign_parms): Likewise to emit_group_store.
1810 * optabs.c (prepare_cmp_insn): Alignment is in bits.
1811 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
1812 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
1813 (expand_return): Likewise to {extract,store}_bit_field.
1814 * stor-layout.c (get_mode_alignment): Minor cleanup.
1815 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
1816 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
1818 2000-03-29 Nick Clifton <nickc@cygnus.com>
1820 * config/arm/arm.h: Undo effects of previous delta:
1821 (ASM_SPEC): Do not define.
1822 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
1824 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
1827 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1829 * cppinit.c (cpp_start_read): Call initialize_dependency_output
1830 only after reading in the primary source file.
1832 2000-03-29 Geoff Keating <geoffk@cygnus.com>
1834 * c-common.c (c_common_nodes_and_builtins): The first parameter to
1835 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
1836 or a reference to a va_list.
1837 * builtins.c (stabilize_va_list): Simplify now we don't have to
1838 work around C array address decay.
1839 * c-typeck.c (convert_for_assignment): Handle assignment to
1840 a reference parameter by taking the address of the RHS.
1841 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
1842 (va_copy): Likewise.
1843 (__va_copy): Likewise.
1844 * ginclude/varargs.h (va_start): Likewise.
1845 (__va_copy): Likewise.
1847 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
1849 * i386/djgpp.h: Remove extraneous "+".
1851 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
1853 * calls.c (expand_call): Fix typo in last change.
1855 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
1857 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
1860 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1862 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
1863 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
1864 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
1865 * tree.c (bit_position, byte_position): Likewise.
1866 * tree.h: Declare new functions.
1868 2000-03-29 Nick Clifton <nickc@cygnus.com>
1870 * config/arm/arm.c: Minor formatting changes/
1871 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1873 (ASM_SPEC): Define if not already defined.
1875 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1877 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
1880 2000-03-29 Jakub Jelinek <jakub@redhat.com>
1882 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
1883 value, don't output it as unsigned.
1885 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
1887 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
1889 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1891 * c-common.c (c_common_nodes_and_builtins): Don't special case
1892 cplus_mode when declaring builtin bzero/bcmp, always avoid
1893 prototype arguments.
1895 2000-03-29 Bruce Korb <bkorb@gnu.org>
1897 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
1900 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1902 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
1903 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
1904 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
1905 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
1906 (save_fixed_argument_area, restore_fixed_argument_area):
1907 conditionize by #ifdef REG_PARM_STACK_SPACE only.
1908 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
1909 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
1910 (precompute_register_parameters): Avoid #ifdefs on
1911 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
1912 (stire_one_args): Likewise.
1913 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
1914 (emit_library_call_value_1): Likewise.
1915 (compute_argument_block_size): Align to STACK_BOUNDARY only for
1916 ACCUMULATE_OUTGOING_ARGS.
1917 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
1919 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
1920 (use_crosses_set_p): Likewise.
1921 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
1922 #define ACCUMULATE_OUTGOING_ARGS 1.
1923 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
1925 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
1927 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
1928 (TARGET_SWITCHES): Add push-args, no-push-args,
1929 accumulate-outgoing-args and no-accumulate-outgoing-args.
1930 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
1931 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
1932 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
1934 (emit_push_insn): Likewise.
1935 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1936 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
1937 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1938 (STACK_DYNAMIC_OFFSET): Define correctly for both
1939 ACCUMULATE_OUTGOING_ARGS and normal mode.
1940 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
1941 * tm.texi (PUSH_ARGS): Document.
1942 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
1944 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
1946 * flags.h (flag_optimize_sibling_calls): Declare.
1947 * calls.c (expand_call): Fail sibcall when
1948 !flag_optimize_sibling_calls
1949 * invoke.texi (flag_optimize_sibling_calls): Document.
1950 * toplev.c (flag_optimize_sibling_calls): New global variable.
1951 (f_options): Add flag_optimize_sibling_calls.
1952 (rest_of_compilation): Conditionize
1953 optimize_sibling_and_tail_recursive_calls by
1954 flag_optimize_sibling_calls.
1955 (main): Set flag_optimize_sibling_calls for -O2.
1956 * stmt.c (expand_return): Conditionize tail recursion by
1957 flag_optimize_sibling_calls.
1959 2000-03-29 Richard Henderson <rth@cygnus.com>
1961 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
1962 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
1964 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
1966 * except.c (add_eh_table_entry): Mark type_info's as referenced.
1968 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1970 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
1972 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
1973 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
1974 * config/rs6000/aix.h: then modified likewise.
1976 2000-03-28 Richard Henderson <rth@cygnus.com>
1978 * rtl.h: Redistribute enum reg_note documentation.
1979 Kill trailing whitespace.
1980 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
1981 Kill trailing whitespace.
1983 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
1985 * cppfiles.c (hash_IHASH): Just return i->hash.
1986 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
1987 htab_find_with_hash.
1988 (cpp_read_file): Likewise.
1989 (find_include_file): Likewise. Properly initialize
1990 ih->nshort. Share ih->name and ih->nshort if possible.
1991 * cpphash.c (_cpp_calc_hash): New function.
1992 (hash_HASHNODE): Just return h->hash.
1993 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
1994 htab_find_with_hash.
1995 * cpphash.h: Prototype _cpp_calc_hash.
1996 * cppinit.c (initialize_builtins): Provide a valid hash
1997 to _cpp_make_hashnode, using _cpp_calc_hash.
1999 * cpphash.c (collect_expansion): # is not a special character
2000 in object-like macros. In -traditional mode, /**/ is not
2001 token paste at the beginning or end of the line.
2002 * cpplib.c (do_include, do_import, do_include_next): If
2003 parse_include fails, return immediately.
2005 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
2007 * config/arm/arm.md (return peepholes): Update to reflect the new
2009 * config/arm/arm.c (arm_volatile_func): Also check
2010 current_function_nothrow.
2011 (output_return_instruction, output_func_prologue): Use it.
2012 (arm_output_epilogue, arm_expand_prologue): Likewise.
2014 2000-03-27 Tom Tromey <tromey@cygnus.com>
2016 * gcc.c (handle_braces): In {x*...} case, break out of loop if
2019 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2021 * expr.c (store_constructor): SIZE now signed.
2022 For EXPR_SIZE, don't evaluate size; just needed if constant.
2023 * fold-const.c (fold): Fix a number of cases when folded tree is
2025 * function.c (flush_addressof): Reenable.
2026 * tree.h (flush_addressof): Likewise.
2027 * toplev.c (independent_decode_option): Look at strings_processed.
2028 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
2030 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
2032 * sibcall.c (indentify_call_return_value): Find last call in the chain;
2033 Allow stack adjustment after function call.
2035 * regmove.c (struct csa_memlist): Make mem field rtx *.
2036 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
2037 (try_apply_stack_adjustment): Replace whole MEM rtx.
2038 (combine_stack_adjustments_for_block): Update calls
2039 to record_one_stack_ref.
2041 2000-03-28 Neil Booth <NeilB@earthling.net>
2043 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
2044 '\\' rather than a null character, so nulls are not special. Fix
2045 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
2046 speed trigraph conversion.
2047 (_cpp_init_input_buffer): Initialize trigraph map.
2049 2000-03-27 Alan Modra <alan@linuxcare.com.au>
2051 * config/i386/i386.c (output_387_binary_op): Correct intel
2052 mode assembly output, and add spaces after commas in AT&T
2053 output. Correct Unixware assembler comment. Document input
2054 constraints. Comment fp operations. Reduce profligate buffer
2055 size. Remove extraneous abort. Localize temp var.
2056 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
2057 (output_fix_trunc): Add spaces after commas in assembly output.
2059 2000-03-27 Richard Henderson <rth@cygnus.com>
2061 * i386-protos.h (ix86_match_ccmode): Declare.
2062 * i386.c (ix86_match_ccmode): New.
2063 (ix86_expand_fp_compare): Update for pattern renames.
2064 (ix86_expand_strlensi_unroll_1): Likewise.
2065 * i386.h (EXTRA_CC_MODES): Add CCZ.
2066 (SELECT_CC_MODE): Use it for EQ/NE zero.
2067 * i386.md (cmpsi_ccz_1): New.
2069 (*testsi_ccz_1): New.
2070 (testqi_ccz_1): New.
2071 (cmpsi_ccno_1): Rename from cmpsi_0.
2072 (testsi_ccno_1): Rename from testsi_1.
2073 (testqi_ccno_1): Rename from testqi_1.
2074 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
2075 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
2076 (*cmphi_0): Use ix86_match_ccmode.
2077 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
2078 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
2079 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
2080 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
2081 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
2082 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
2083 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
2084 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
2085 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
2086 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
2087 (appropriate peepholes): Likewise.
2088 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
2089 (*subsi_3, *subhi_3, *subqi_3): Remove.
2090 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
2091 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
2092 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
2093 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
2094 (x86_shift_adj_1): Use CCZ.
2095 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
2097 2000-03-27 Stan Cox <scox@cygnus.com>
2099 * resource.h (mark_resource_type): New.
2100 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
2101 find_free_register): Use mark_resource_type.
2102 (mark_set_resources): Change include_delayed_effects
2103 to mark_resource_type.
2104 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
2105 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
2106 Use mark_resource_type.
2108 2000-03-27 Richard Henderson <rth@cygnus.com>
2110 * i386.md (call_pop_0, call_value_pop_0): New.
2111 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
2112 (call_value_pop_1): Likewise.
2113 (call_0, call_value_0): New.
2114 (call_1, call_value_1): Remove constraint from unused arg.
2116 2000-03-27 Nick Clifton <nickc@cygnus.com>
2118 * invoke.texi (Spec Files): Document new spec % command created by
2119 Tom Tromey's recent patch.
2121 2000-03-27 Jakub Jelinek <jakub@redhat.com>
2123 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
2126 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2128 * expr.c (expand_assignment): Fix typo in last change.
2130 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
2132 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2134 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
2135 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
2136 and DECL_INLINE if FUNCTION_DECL.
2137 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
2138 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
2139 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
2140 (combine_parm_decls): Likewise.
2141 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
2142 * print-tree.c (print_node): Likewise.
2143 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
2144 DECL_TRANSPARENT_UNION on proper decl types.
2145 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
2146 * stor-layout.c (layout_decl): Only check DECL_PACKED and
2147 DECL_BIT_FIELD of FIELD_DECL.
2148 * tree.h (DECL_RESULT_FLD): New macro.
2150 * expr.c (expand_assignment): Add code to handle variable-sized
2153 2000-03-26 Richard Henderson <rth@cygnus.com>
2155 * calls.c (expand_call): Pass parms not original exp to
2156 optimize_tail_recursion. Mind return value instead of looking
2158 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
2159 call_expr. Move checks for call_expr and current_function_decl ...
2160 (expand_return): ... here.
2162 2000-03-26 Tom Tromey <tromey@cygnus.com>
2164 * gcc.c (handle_braces): Recognize `%{<S}' construct.
2165 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
2167 (process_command): Use them.
2168 (check_live_switch): Likewise.
2169 (give_switch): Skip ignored switches.
2171 2000-03-26 Jan Hubicka <jh@suse.cz>
2173 * jump.c (jump_optimize_1): Fix typo in elide optimizations
2174 for minimal jump pass test.
2176 2000-03-26 Mark Mitchell <mark@codesourcery.com>
2178 * integrate.c (function_cannot_inline_p): Do inline functions that
2181 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2183 * stor-layout.c (layout_type, set_sizetype): early_type_list is
2184 now a list of TREE_LIST entries, not types.
2185 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
2187 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
2188 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
2190 * config/mips/mips.c (function_arg): Likewise; also remove cast
2191 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
2192 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
2193 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
2194 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
2195 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
2196 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
2197 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
2198 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
2199 num_adjusts now unsigned.
2200 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
2201 * config/sparc/sparc.c (struct function_arg_record_value_parms):
2203 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
2204 as is BITPOS variable; use host_integerp and int_bit_position.
2205 (function_arg_record_value_2): Likewise.
2206 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
2207 Variable REGNO now unsigned.
2208 (function_arg_record_value): NREGS now unsigned.
2210 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2212 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
2214 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2216 * Rework fields used to describe positions of bitfields and
2217 modify sizes to be unsigned and use HOST_WIDE_INT.
2218 * alias.c (reg_known_value_size): Now unsigned.
2219 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
2220 (really_start_incremental_init): Use bitsize_zero_node.
2221 (push_init_level, pop_init_level, output_init_element): Likewise.
2222 Use bitsize_unit_node and bitsize_one_node.
2223 (output_pending_init_elements, process_init_element): Likewise.
2224 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
2225 (make_extraction): Position and length HOST_WIDE_INT and unsigned
2226 HOST_WIDE_INT, respectively.
2227 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
2228 (num_sign_bit_copies): Returns unsigned.
2229 BITWIDTH now unsigned; rework arithmetic.
2230 Remove recursive call from arg to MAX.
2231 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
2232 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
2234 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
2235 (find_split_point, expand_compound_operation, make_extraction): LEN
2236 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
2237 (make_field_assignment): Likewise.
2238 (combine_simplify_rtx): Add cast.
2239 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
2240 (force_to_mode): WIDTH now unsigned; add cast.
2241 (if_then_else_cond): SIZE now unsigned.
2242 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
2243 (extended_count): Now returns unsigned.
2244 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
2245 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
2246 (simplify_comparison): MODE_WIDTH now unsigned.
2247 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
2248 (mark_used_regs_combine): Likewise; rework arithmetic.
2249 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
2250 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
2251 (record_promoted_value): REGNO now unsigned.
2252 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
2253 (get_last_value): REGNO now unsigned.
2254 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
2255 (reg_dead_regno, reg_dead_endregno): Now unsigned.
2256 (remove_death): Arg REGNO now unsigned.
2257 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
2258 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
2260 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
2261 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
2262 (struct cse_reg_info): REGNO now unsigned.
2263 (cached_regno): Now unsigned.
2264 (REGNO_QTY_VALID_P): Add cast.
2265 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
2266 (remove_invalid_regs): Likewise.
2267 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
2268 as are variables END and I.
2269 (get_cse_reg_info, insert): Likewise.
2270 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
2271 (canon_hash): Likewise.
2272 (insert_regs, lookup_for_remove): REGNO now unsigned.
2273 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
2275 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
2276 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
2277 * emit-rtl.c (subreg_realpart_p): Add cast.
2278 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
2279 (operand_subword_force): Arg I is now unsigned.
2280 * except.c (eh_regs): Variable I is now unsigned.
2281 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
2282 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
2283 length is unsigned HOST_WIDE_INT; likewise for internal variables.
2284 (store_split_bit_field, extract_fixed_bit_field): Likewise.
2285 (extract_split_bit_field, store_bit_field, extract_bit_field):
2287 * expr.c (store_constructor_fields, store_constructor, store_field):
2288 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
2289 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
2290 (do_jump): Likewise.
2291 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
2292 MAX_SIZE is now unsigned.
2293 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
2294 (emit_group_store): Likewise.
2295 (emit_move_insn): I now unsigned.
2296 (store_constructor): Use host_integerp, tree_low_cst, and
2298 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
2299 Rework all calculations to use trees and new fields.
2300 * expr.h (promoted_input_arg): Regno now unsigned.
2301 (store_bit_field, extract_bit_field): Adjust types of pos and size.
2302 (mark_seen_cases): Arg is HOST_WIDE_INT.
2303 * flow.c (verify_wide_reg_1): REGNO now unsigned.
2304 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
2305 precisions and alignments are unsigned.
2306 (optimize_bit_field_compare, fold_truthop): Likewise.
2307 (int_const_binop): Adjust threshold for size_int_type_wide call.
2308 (fold_convert): Likewise.
2309 (size_int_type_wide): Make table larger and fix thinko that only
2310 had half of table used.
2311 (all_ones_mask_p, fold): Precisions are unsigned.
2312 * function.c (put_reg_info_stack): REGNO is unsigned.
2313 (instantiate_decl): Size is HOST_WIDE_INT.
2314 (instantiate_virtual_regs): I is unsigned.
2315 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
2316 (promoted_input_arg): REGNO is unsigned.
2317 * function.h (struct function): x_max_parm_reg is now unsigned.
2318 * gcse.c (max_gcse_regno): Now unsigned.
2319 (struct null_pointer_info): min_reg and max_reg now unsigned.
2320 (lookup_set, next_set): REGNO arg now unsigned.
2321 (compute_hash_table): REGNO and I now unsigned.
2322 (handle_avail_expr): regnum_for_replacing now unsigned.
2323 (cprop_insn): REGNO now unsigned.
2324 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
2325 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
2326 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
2327 * hard-reg-set.h (reg_class_size): Now unsigned.
2328 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
2329 * jump.c (mark_modified_reg): I now unsigned; add cast.
2330 (rtx_equal_for_thread_p): Add cast.
2331 * loop.c (max_reg_before_loop): Now unsigned.
2332 (struct_movable): REGNO now unsigned.
2333 (try_copy_prop): REGNO arg unsigned.
2334 (regs_match_p): XN and YN now unsigned.
2335 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
2336 (strength_reduce): Likewise; NREGS also unsigned.
2337 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2338 * loop.h (struct iv_class): REGNO now unsigned.
2339 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2341 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2342 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2343 * optabs.c (expand_binop): I and NWORDS now unsigned.
2344 (expand_unop): I now unsigned.
2345 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2346 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2347 * real.c (significand_size): Now returns unsigned.
2348 * real.h (significand_size): Likewise.
2349 * regclass.c (reg_class_size): Now unsigned.
2350 (choose_hard_reg_mode): Both operands now unsigned.
2351 (record_reg_classes): REGNO and NR now unsigned.
2352 (reg_scan): NREGS now unsigned.
2353 (reg_scan_update): old_max_regno now unsigned.
2354 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2355 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2356 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2357 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2358 Likewise for variable R.
2359 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2360 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2361 (find_equiv_reg): Add casts.
2362 (regno_clobbered_p): Arg REGNO now unsigned.
2363 * reload.h (struct reload): NREGS now unsigned.
2364 (refers_to_regno_for_reload_p): Regno args are unsigned.
2365 (regno_clobbered_p): Likewise.
2366 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2367 (compute_use_by_pseudos): REGNO now unsigned.
2368 (find_reg): I and J now unsigned, new variable K, and change loop
2369 variables accordingly; THIS_NREGS now unsigned.
2370 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2371 (spill_hard_reg): REGNO arg now unsigned; add casts.
2372 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2373 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2374 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2375 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2376 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2377 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2378 (emit_reload_insns): REGNO now unsigned.
2379 (reload_cse_move2add): Add cast.
2380 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2382 * resource.c (mark_referenced_resources, mark_set_resources): New
2383 variable R; REGNO and LAST_REGNO now unsigned.
2384 (mark_target_live_regs): J and REGNO now unsigned.
2385 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2386 * rtl.h (union rtunion_def): New field rtuint.
2387 (XCUINT): New macro.
2388 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2389 (operand_subword, operand_subword_force): Word number is unsigned.
2390 (choose_hard_reg_mode): Operands are unsigned.
2391 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2392 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2393 (regno_use_in, combine_instructions, remove_death): Likewise.
2394 (reg_scan, reg_scan_update): Likewise.
2395 (extended_count): Return is unsigned.
2396 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2397 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2398 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2399 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2400 (reg_reg_last_1): FIRS and LAST now unsigned.
2401 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2402 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2404 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2405 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2406 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2407 (replace_regs): Arg NREGS now unsigned.
2408 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2409 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2410 (simplify_binary_operation): Likewise.
2411 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2412 THIS_LAST now unsigned.
2413 (cselib_record_set): Add cast.
2414 * ssa.c (ssa_max_reg_num): Now unsigned.
2415 (rename_block): REGNO now unsigned.
2416 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2418 (all_cases_count): Just return -1 not -2.
2419 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2420 Rework tests to use trees whenever possible.
2421 Use host_integerp and tree_low_cst.
2422 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2423 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2424 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2425 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2426 (smallest_mode_for_size): Likewise.
2427 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2428 KNOWN_ALIGN is now an alignment, so simplify code.
2429 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2430 (start_record_layout): Renamed from new_record_layout_info.
2431 Update to new fields.
2432 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2434 (place_union_field): Renamed from layout_union_field.
2435 Update to use new fields in rli.
2436 (place_field): Renamed from layout_field.
2437 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2438 (finalize_record_size): Rework to use new fields in rli and handle
2440 (compute_record_mode): Rework to simplify and to use new DECL fields.
2441 (finalize_type_size): Make rounding more consistent.
2442 (finish_union_layout): Deleted.
2443 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2444 (layout_type, case RECORD_TYPE): Call new function names.
2445 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2446 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2447 (get_best_mode): UNIT is now unsigned; remove casts.
2448 * tree.c (bit_position): Compute from new fields.
2449 (byte_position, int_byte_position): New functions.
2450 (print_type_hash_statistics): Cast to remove warning.
2451 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2452 (build_index_type): Likewise; make subtype of sizetype.
2453 (build_index_2_type): Pass sizetype to build_range_type.
2454 (build_common_tree_nodes): Use size_int and bitsize_int to
2455 initialize nodes; add bitsize_{zero,one,unit}_node.
2456 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2457 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2458 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2459 (DECL_FIELD_BITPOS): Deleted.
2460 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2461 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2462 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2463 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2464 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2465 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2466 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2467 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2468 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2469 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2470 (DECL_ALIGN): Adjust to new field in union.
2471 (DECL_OFFSET_ALIGN): New field.
2472 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2473 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2474 (union tree_decl): Add struct for both aligns.
2475 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2476 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2477 (struct record_layout_info): Rework fields to have offset
2478 alignment and byte and bit position.
2479 (start_record_layout, place_field): Renamed from old names.
2480 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2481 (byte_position, int_byte_position): Likewise.
2482 (get_inner_reference): Change types of position and length.
2483 * unroll.c (unroll_loop): New variable R; use for some loops.
2484 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2485 (calculate_giv_inc): Arg REGNO now unsigned.
2486 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2487 * varasm.c (assemble_variable): Clean up handling of size using
2488 host_integerp and tree_low_cst.
2489 (decode_addr_const): Use byte, not bit, position.
2490 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2491 use tree_low_cst and int_bit_position.
2492 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2494 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2496 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2497 (reorder_block_def): New members eff_head and eff_end.
2498 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2499 (verify_insn_chain): New function.
2500 (skip_insns_between_block): Add code to skip deleted insns.
2501 Check for note before using.
2502 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2503 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2504 Check for note before using.
2505 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2506 (fixup_reorder_chain): Restructure, clean up, defect removal.
2507 (reorder_basic_blocks): Remove last_insn and references to it.
2508 Moved insn chain verification code into a new function (see above).
2509 Delete defective code that sets last insn.
2510 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2513 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2515 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2517 2000-03-24 Richard Henderson <rth@cygnus.com>
2519 * tree.c (lang_safe_for_unsave): Remove.
2520 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2521 allowing for two levels of unsafeness. Remove lang hook.
2522 * tree.h: Update declarations.
2523 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2524 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2525 Always fail sibcalls when there are pending cleanups.
2527 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2529 * flow.c (propagate_block): When we delete an ADDR_VEC,
2530 also delete the BARRIER following it if there is one.
2532 2000-03-24 Richard Henderson <rth@cygnus.com>
2534 * builtins.c (expand_builtin_bzero): Convert `length' argument
2537 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2539 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2540 comparison if regno's are equal.
2541 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2542 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2543 (expand_call): Update caller.
2544 Avoid making a sibling call if argument size of the callee is larger
2545 than argument size of the caller.
2546 Call hard_function_value with outgoing set if in sibcall pass.
2547 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2549 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2550 Change LEAF_REGISTERS from an array initializer to actual array
2551 identifier. Move static global variable into the function.
2552 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2553 sequences for leaf functions.
2554 * global.c (global_alloc): Likewise.
2555 * tm.texi (LEAF_REGISTERS): Update documentation.
2557 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2558 TARGET_FLAT leaf disabling hack.
2559 (LEAF_REGISTERS): Changed from an array initializer to actual array
2560 identifier to avoid duplication and remove the above hack.
2561 (FUNCTION_OK_FOR_SIBCALL): Define.
2562 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2563 always like call attribute.
2564 (eligible_for_sibcall_delay): New attribute.
2565 (sibcall): New delay type.
2566 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2567 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2568 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2569 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2570 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2572 (output_function_epilogue): Move part of the code into
2573 output_restore_regs.
2574 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2576 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2579 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2580 until infrastructure is finished.
2582 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2584 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2585 (save_parm_insns): Not here.
2587 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2589 * builtins.c (expand_builtin_bzero): New function.
2590 (expand_builtin): Handle bzero.
2592 * builtins.def: Add BUILT_IN_BZERO.
2594 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2595 prototype & function for bzero.
2597 2000-03-23 Michael Meissner <meissner@redhat.com>
2599 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2600 change adding TARGET_FP to the TF floating point insns, except for
2601 trunctfsf2, which generates direct calls to truncdfsf2.
2603 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2605 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2606 try to protect against middle-end changes that break binary
2608 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2610 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2612 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2614 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2616 * calls.c (expand_call): If TARGET is passed by reference and
2617 is readonly, write a CLOBBER.
2619 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2621 * builtins.c (expand_builtin): Handle bcmp.
2623 * builtins.def: Add BUILT_IN_BCMP.
2625 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2626 prototype & function for bcmp.
2628 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2630 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2631 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2632 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2634 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2636 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2637 alternative when using -fp64 -gp32.
2639 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2641 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2642 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2643 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2645 * frame.h (frame_state): Revert last change.
2646 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2647 * libgcc2.c (throw_helper): Revert last change.
2649 2000-03-22 Richard Henderson <rth@cygnus.com>
2651 * stmt.c (expand_asm_operands): Don't promote the temporary.
2653 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2655 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2656 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2657 c_get_alias_set): Likewise.
2658 * c-decl.c (duplicate_decls): Likewise.
2659 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2660 * calls.c (initialize_argument_information): Likewise.
2661 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2663 * dwarfout.c (decl_class_context,output_type): Likewise.
2664 * expr.c (get_inner_reference): Likewise.
2665 * fold-const.c (simple_operand_p,fold): Likewise.
2666 * function.c (aggregate_value_p): Likewise.
2667 * stmt.c (expand_asm_operands): Likewise.
2668 * varasm.c (named_section): Likewise.
2670 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2672 Implement dwarf2 exception handling for the ARM.
2673 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2674 (DWARF_FRAME_RETURN_COLUMN): Define.
2675 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2676 REG_FRAME_RELATED_EXPR note.
2677 (emit_sfm): Likewise.
2678 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2679 * dwarf2out.c (reg_save): Handle saving a register to itself.
2680 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2681 * except.c (eh_regs): Don't use the static chain reg if it's
2683 * frame.h (frame_state): Add cfa_saved field.
2684 * frame.c (execute_cfa_insn): Set it.
2685 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2687 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2689 (instantiate_virtual_regs): Adjust.
2691 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2692 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2693 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2695 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2696 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2698 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2700 * builtins.def: New file.
2702 * Makefile.in (TREE_H): Depend on builtins.def.
2704 * builtins.c (built_in_names): Use builtins.def.
2706 * tree.h (built_in_function): Likewise.
2708 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2710 * tree.c (size_in_bytes): Return size_zero_node, not
2713 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2715 * config/fp-bit.c (pack_d): Correct the case when a denormal
2716 is rounded up and stops being denormal.
2718 2000-03-21 Richard Henderson <rth@cygnus.com>
2720 * config/alpha/alpha.c (function_arg): Check for void_type_node
2721 before using MUST_PASS_IN_STACK.
2723 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2725 * regmove.c (combine_stack_adjustments_for_block): Check that
2726 the stack pointer is a valid memory address.
2728 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2730 * calls.c: re-install Mar 16 emit_library_call merge.
2732 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2734 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2735 we cannot be sure that if reload_completed base register will
2736 be properly aligned.
2738 2000-03-21 Richard Henderson <rth@cygnus.com>
2740 * flow.c (delete_block): Fix typo last change.
2742 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2744 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2745 not COMPLETE_TYPE_P, to check the type of the expression.
2747 2000-03-21 Michael Meissner <meissner@redhat.com>
2749 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2750 all floating point insns that just tested the macro
2751 TARGET_HAS_XFLOATING_LIBS.
2752 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
2753 used to only use the gprs.
2755 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
2757 * tree.h (COMPLETE_TYPE_P): New macro.
2758 (COMPLETE_OR_VOID_TYPE_P): New macro.
2759 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
2760 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
2761 * c-aux-info.c (gen_type): Use them.
2762 * c-common.c (c_expand_expr_stmt): Likewise.
2763 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
2764 grokdeclarator, grokparms, finish_struct, start_function,
2765 store_parm_decls, combine_parm_decls): Likewise.
2766 * c-parse.y (cast_expr): Likewise.
2767 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
2768 c_size_in_bytes, c_alignof, build_component_ref,
2769 build_indirect_ref, build_array_ref, convert_arguments,
2770 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
2771 * calls.c (initialize_argument_information): Likewise.
2772 * convert.c (convert_to_integer): Likewise.
2773 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
2774 * dwarfout.c (location_or_const_value_attribute,
2775 output_enumeration_type_die, output_structure_type_die,
2776 output_union_type_die, output_type): Likewise.
2777 * expr.c (safe_from_p, expand_expr): Likewise.
2778 * function.c (assign_parms): Likewise.
2779 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
2780 * tree.c (build_array_type, build_function_type,
2781 build_method_type, build_offset_type, build_complex_type): Likewise.
2782 * c-parse.c, c-parse.h: Regenerated.
2784 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2786 * config/c4x/rtems.h: Include config/rtems.h.
2788 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
2790 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
2791 decl is a FUNCTION_DECL
2793 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
2795 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
2796 function uses output registers. Don't save RP for leaf functions.
2797 Do save RP even if no epilogue.
2798 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
2799 (CALL_USED_REGISTERS): Unmark in registers.
2800 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
2803 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2805 * config/rs6000/rs6000.md (bunordered): New expander.
2806 (bordered): New expander.
2807 (buneq): New expander.
2808 (bunge): New expander.
2809 (bungt): New expander.
2810 (bunle): New expander.
2811 (bunlt): New expander.
2812 (bltgt): New expander.
2814 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
2815 (ccr_bit_negated_p): New function.
2816 (print_operand): For %C, generate appropriate cror for UNEQ,
2817 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
2819 2000-03-20 Andreas Jaeger <aj@suse.de>
2821 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
2824 * tree.h (safe_for_unsave): Prototype.
2826 2000-03-20 Richard Henderson <rth@cygnus.com>
2828 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
2829 (combine_stack_adjustments_for_block): Don't allow sp references
2830 in the side of a set we're not fixing up.
2831 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
2832 after life_analysis.
2834 2000-03-20 Richard Henderson <rth@cygnus.com>
2836 * calls.c (expand_call): Don't bother generating tail call
2837 sequences if there are pending cleanups. Use
2838 expand_start_target_temps/expand_end_target_temps to elide
2839 cleanups created during sibcall expansion.
2841 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2843 * configure.in: Set $IFS to a value if it doesn't already have one
2844 in the --enable-checking handling.
2845 * configure: Regenerate.
2847 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2849 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
2850 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2853 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
2855 * jump.c (delete_noop_moves): Remove code attempting to
2856 combine stack adjustments.
2858 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2860 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
2861 * except.c (emit_cleanup_handler): Use them.
2862 (expand_end_all_catch): Likewise.
2863 * function.c (fixup_var_refs): Likewise.
2864 (expand_function_end): Clear catch_clauses_last.
2865 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
2866 * except.h (struct eh_status): New field x_catch_clauses_last.
2867 (catch_clauses_last): New define.
2869 * Makefile.in (tree.o): Depend on HASHTAB_H.
2870 * tree.c: Include hashtab.h.
2871 (struct type_hash): Remove next field.
2872 (TYPE_HASH_SIZE): Remove.
2873 (TYPE_HASH_INITIAL_SIZE): New define.
2874 (type_hash_table): Change type to htab_t.
2875 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
2876 mark_hash_entry): New functions.
2877 (init_obstacks): Allocate type hash.
2878 (type_hash_lookup): Use htab functions.
2879 (type_hash_add, mark_type_hash): Likewise.
2880 (dump_tree_statistics): Call print_type_hash_statistics.
2882 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2884 * rs6000/t-aix41: New file.
2886 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
2888 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
2890 * tm.texi (Driver): Fix typos and tweak entry for
2892 Move misplaced STRUCT_FORCE_BLK entry ...
2893 (Storage Layout): ... to here.
2894 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
2896 2000-03-19 Richard Henderson <rth@cygnus.com>
2898 * flow.c (delete_block): Delete the addr_vec along with the block.
2899 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
2902 * fold-const.c (extract_muldiv): Apply type check for defined
2903 overflow to multiply as well as divide.
2905 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
2907 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2909 * emit-rtl.c (remove_unncessary_notes): Check that all
2910 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
2911 associated NOTE_BLOCK.
2912 * function.h (identify_blocks): Update comments.
2913 (reorder_blocks): Declare.
2914 * function.c (identify_blocks): Don't take paramters.
2915 (reorder_blocks): Don't take parameters.
2916 * loop.h (find_loop_tree_blocks): Remove.
2917 (unroll_block_trees): Likewise.
2918 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
2919 reorder_blocks instead of unroll_block_trees.h
2920 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
2921 * stmt.c (find_loop_tree_blocks): Remove.
2922 (unroll_block_trees): Likewise.
2923 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
2924 in whole-function mode.
2925 * tree.h (reorder_blocks): Remove declaration.
2927 * expr.c: Include intl.h.
2928 * Makefile.in (expr.o): Depend on intl.h.
2930 2000-03-18 Richard Henderson <rth@cygnus.com>
2932 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
2934 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2936 * tree.h (tree_index): Remove enumerals for integer types.
2937 (integer_type_kind): New type.
2938 (integer_types): New variable.
2939 (char_type_node): Adjust.
2940 (signed_char_type_node): Likewise.
2941 (unsigned_char_type_node): Likewise.
2942 (short_integer_type_node): Likewise.
2943 (short_unsigned_type_node): Likewise.
2944 (integer_type_node): Likewise.
2945 (unsigned_type_node): Likewise.
2946 (long_integer_type_node): Likewise.
2947 (long_unsigned_type_node): Likewise.
2948 (long_long_integer_type_node): Likewise.
2949 (long_long_unsigned_type_node): Likewise.
2950 * tree.c (integer_types): New variable.
2951 (init_obstacks): Register it as a root.
2953 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
2955 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
2956 NEXT_INSN. Update last insn in chain.
2958 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
2960 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
2961 with TYPE_DECL_SUPPRESS_DEBUG set.
2963 2000-03-18 Richard Henderson <rth@cygnus.com>
2965 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
2967 2000-03-18 Richard Henderson <rth@cygnus.com>
2969 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
2970 care for HALF_PIC_P.
2971 (expander_call_insn_operand): Remove.
2972 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
2973 * i386.h (PREDICATE_CODES): Update.
2974 * i386.md (all call expanders): Remove predicates, remove special
2975 handling for half-pic.
2976 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
2977 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
2978 (sibcall_epilogue): New.
2980 2000-03-17 Richard Henderson <rth@cygnus.com>
2982 * rtlanal.c (single_set): Reject if the parallel has anything
2983 except SET or USE or CLOBBER.
2985 2000-03-17 Jeff Law <law@cygnus.com>
2986 Richard Henderson <rth@cygnus.com>
2988 * Makefile.in (OBJS): Add sibcall.o.
2990 * sibcall.c: New file.
2991 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
2992 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
2993 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
2994 Emit sibcall patterns when requested. Update all callers.
2995 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
2996 elimination seems feasable.
2997 * final.c (leaf_function_p): Sibling calls don't discount being
2999 * flow.c (HAVE_sibcall_epilogue): Provide default.
3000 (find_basic_blocks_1): Sibling calls don't throw.
3001 (make_edges): Make edge from sibling call to EXIT.
3002 (propagate_block): Don't remove sibcall_epilogue insns.
3003 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
3004 (sibcall_epilogue): New.
3005 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
3006 (identify_blocks_1): Likewise. Break out from ...
3007 (identify_blocks): ... here.
3008 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
3009 (reorder_blocks): ... here.
3010 (init_function_for_compilation): Zap prologue/epilogue as varrays.
3011 (record_insns): Extend a varray instead of mallocing new memory.
3012 (contains): Read a varray not array of ints.
3013 (sibcall_epilogue_contains): New.
3014 (thread_prologue_and_epilogue_insns): Emit and record
3015 sibcall_epilogue patterns.
3016 (init_function_once): Allocate prologue/epilogue varrays.
3017 * genflags.c (gen_insn): Treat sibcall patterns as calls.
3018 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
3020 (save_for_inline_nocopy): ... here.
3021 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
3023 (expand_inline_function): ... here.
3024 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
3025 (subst_constants): Handle 'n' formats.
3026 * jump.c (jump_optimize_minimal): New.
3027 (jump_optimize_1): New arg `minimal'; update callers. Elide most
3028 optimizations if it's set.
3029 * rtl.c (copy_rtx): Do copy jump & call for insns.
3030 * rtl.h (struct rtx_def): Document use of jump and call for insns.
3031 (SIBLING_CALL_P): New.
3032 (sibcall_use_t): New.
3033 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
3034 Invoke optimize_sibling_and_tail_recursive_calls.
3035 * tree.c (lang_safe_for_unsave): New.
3036 (safe_for_unsave): New.
3037 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
3039 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
3040 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
3041 (*sibcall_osf_1, *sibcall_value_osf_1): New.
3043 2000-03-17 Mark Mitchell <mark@codesourcery.com>
3045 * objc/objc-act.c (encode_method_prototype): Pass types, not
3046 PARM_DECLs, to int_size_in_bytes.
3048 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
3050 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
3052 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
3053 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
3055 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3057 * Clean up usages of TREE_INT_CST_LOW.
3058 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
3059 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3061 * c-tree.h (min_precision): Move declaration to here.
3062 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
3063 (build_unary_op, add_pending_init): Use bit_position.
3064 (pending_init_member, process_init_element): Likewise.
3065 (really_start_incremental_init, push_init_level, pop_init_level):
3066 Don't make copies of nodes or modify them in place, use consistent
3067 types when tracking positions, and use tree routines computations.
3068 (set_init_index, output_init_element): Likewise.
3069 (output_pending_init_elements, process_init_element): Likewise.
3070 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
3071 tree_low_cst and int_bit_position; also minor cleanup.
3072 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
3073 (print_cst_octal): Precision is unsigned.
3074 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
3075 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
3076 (simple_type_align_in_bits): Result is unsigned int.
3077 Use tree_int_low_cst and host_integerp.
3078 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
3079 (field_byte_offset): Result is HOST_WIDE_INT.
3080 Change types of internal variables so alignments are unsigned int,
3081 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
3082 Use host_integerp, tree_low_cst, and int_bit_position.
3083 (add_bit_offset_attribute): Likewise.
3084 (add_data_member_location_attribute): Use tree_cst_low.
3085 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
3086 (add_bit_size_attribute): Use tree_low_cst.
3087 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
3088 * dwarfout.c: Similar changes to dwarf2out.c.
3089 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
3090 * genoutput.c (n_occurences): Return -1 for null string.
3091 (strip_whitespace): Accept null string and make into function.
3092 (scan_operands): Reflect above changes.
3093 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
3094 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
3095 * ssa.c (rename_registers): Add missing cast of arg to bzero.
3096 * tree.c (int_size_in_bytes): Check for too big to represent.
3097 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
3098 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
3100 (min_precision): Delete from here.
3101 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
3102 and int_bit_position.
3103 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
3104 (encode_method_def): Likewise.
3105 (build_ivar_list_initializer): Use int_bit_position.
3106 (generate_shared_structures): Convert size.
3107 (encode_type, encode_complete_bitfield): Use integer_zerop.
3108 (encode_bitfield): Use tree_low_cst and int_bit_position.
3110 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3112 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
3114 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3116 * call.c (special_function_p): It is only malloc if it returns
3119 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3121 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
3122 (C33_FLAG, TARGET_C3X): Add macros.
3123 (TARGET_SWITCHES): Add -m33 option.
3124 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
3126 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3128 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
3129 (PARALLEL_PACK_FLAG): Delete.
3130 (TARGET_SWITCHES): Update.
3131 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
3133 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3135 * fold-const.c (fold): Fix a few cases when the returned result
3136 is not of the same type as the input.
3138 2000-03-16 Nick Clifton <nickc@cygnus.com>
3140 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
3143 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3145 * libgcc2.h: Move prototypes above macros with the same name.
3146 Wrap some function prototypes in the conditional which indicates
3147 whether they are supported, i.e. "BITS_PER_UNIT == 8".
3149 2000-03-16 Richard Henderson <rth@cygnus.com>
3151 * calls.c: Revert last two changes.
3153 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
3155 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
3156 has exponent 0 is a zero.
3158 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
3159 HASH may already be nonzero. Add code/mode into hash value
3160 immediately after repeat label.
3161 (cselib_lookup): Don't leave the hash table in an inconsistent
3162 state before a hash lookup operation.
3164 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
3166 * i386.md (all HI and QI mode non-move patterns): Conditionize
3167 by TARGET_[HQ]IMODE_MATH.
3168 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3169 x86_promote_qi_regs): Declare.
3170 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
3171 TARGET_PROMOTE_QI_REGS): New macros.
3172 (PROMOTE_MODE): New macro.
3173 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3174 x86_promote_qi_regs): New global variables.
3176 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
3178 * calls.c (emit_library_call_value_1): Break out from ...; handle
3179 VOIDmode function calls too.
3180 (emit_library_call_value): ... here.
3181 (emit_library_call): Implement by calling emit_library_call_value_1.
3183 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
3185 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
3186 Update arg_space_so_far on stack adjustments.
3187 (emit_library_call, emit_library_call_value): Likewise; take into
3188 account arg_space_so_far and pending_stack_adjust when calculcating
3191 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
3193 * flow.c: Move all basic block reordering code into its own file.
3194 (create_basic_block): Externalize.
3195 * bb-reorder.c: New file. Copy all basic block reordering code from
3196 flow.c to this file.
3197 (reorder_basic_blocks): Fix fencepost error in for-loop.
3198 (reorder_basic_blocks): Remove braces from single statement for-loops.
3199 * basic-block.h: Add declaration for create_basic_block.
3200 * Makefile.in: Add rules for bb-reorder.o.
3202 2000-03-16 Neil Booth <NeilB@earthling.net>
3204 * cppinit.c (handle_option): Implement #unassert directive
3205 as -A- command line option.
3206 (print_help): Update.
3207 * cpptexi.c: Update.
3209 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
3211 * md.texi (Standard Names): Document `jump'.
3213 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3215 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
3218 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3220 Merge changes from newppc-branch onto trunk.
3222 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3224 * rs6000.c (toc_hash_table): Update for new hash table functions.
3225 (toc_hash_function): Likewise.
3226 (toc_hash_eq): Likewise.
3227 (toc_hash_mark_entry): Likewise.
3228 (toc_hash_mark_table): Likewise.
3229 (output_toc): Likewise.
3230 (rs6000_add_gc_roots): Likewise.
3232 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3234 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
3235 (AR_FLAGS_FOR_TARGET): here. New macro.
3237 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
3239 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
3240 fpmem_operand) Delete.
3242 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
3243 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
3244 (rs6000_save_machine_status, rs6000_restore_machine_status,
3245 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
3246 references to above variables.
3247 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
3248 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
3249 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
3250 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
3251 (XER_REGNO_P, XER_REGNO): New.
3252 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
3253 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
3254 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
3256 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3257 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
3258 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
3260 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3262 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
3263 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
3264 * rs6000.h: from here.
3266 * rs6000-protos.h (rs6000_select_section): Provide prototype.
3267 (rs6000_select_rtx_section): Likewise.
3268 (rs6000_encode_section_info): Likewise.
3269 (sdata_section): Likewise.
3270 (sdata2_section): Likewise.
3271 (sbss_section): Likewise.
3272 * sysv4.h (rs6000_select_section): Delete prototype.
3273 (rs6000_select_rtx_section): Likewise.
3274 (rs6000_encode_section_info): Likewise.
3275 (sdata_section): Likewise.
3276 (sdata2_section): Likewise.
3277 (sbss_section): Likewise.
3278 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
3280 * sysv4.h: Delete various unnecessary #undef's and put a comment
3281 on the remaining ones.
3282 Change various comments according to coding standard.
3284 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
3286 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
3287 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
3288 (CR0_REGNO_P) Remove.
3289 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
3290 setup_incoming_varargs, mtcrf_operation, print_operand,
3291 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
3292 Use the above macros.
3294 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
3296 * config/rs6000/rs6000.md: Added a new alternative for each
3297 pattern that had a 'x' alternative but no 'y' alternative.
3298 Added a new split for each of the above patterns.
3300 2000-02-18 Geoff Keating <geoffk@cygnus.com>
3302 * aix41.h (ASM_CPU_SPEC): Delete.
3303 (CPP_CPU_SPEC): Delete.
3305 * aix.h (RS6000_OUTPUT_BASENAME): Define.
3306 (ASM_OUTPUT_LABEL): Define.
3307 (ASM_GLOBALIZE_LABEL): Define.
3308 (STRIP_NAME_ENCODING): Define.
3309 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
3310 (STRIP_NAME_ENCODING): Don't define.
3311 (ASM_OUTPUT_LABEL): Don't define.
3312 (ASM_GLOBALIZE_LABEL): Don't define.
3313 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
3314 names, and ASM_OUTPUT_LABEL to output labels, rather than
3316 (ASM_OUTPUT_LABEL): Define.
3317 (ASM_OUTPUT_INT): Use assemble_name.
3318 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
3319 (STRIP_NAME_ENCODING): Don't undefine first.
3320 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
3322 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
3323 specified with 'asm' even with -fleading-underscore.
3324 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
3325 (output_epilog): Likewise.
3326 (output_toc): Likewise.
3327 * tramp.asm: Handle -fleading-underscore correctly.
3329 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
3331 (nonlocal_goto_receiver): Delete.
3332 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
3334 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
3335 (SET_ASM_OP): Define.
3336 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
3338 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
3341 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
3342 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
3344 * rs6000.h: Add 'u' to more constants.
3346 2000-02-18 David Edelsohn <edelsohn@gnu.org>
3348 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
3350 2000-02-15 David Edelsohn <edelsohn@gnu.org>
3352 * rs6000.c (reg_or_u_cint_operand): New function.
3353 (logical_operand): Handle 64-bit hosts.
3354 (logical_u_operand): New function.
3355 (non_logical_cint_operand): Handle 64-bit hosts.
3356 (non_logical_u_cint_operand): New function.
3357 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
3358 (PREDICATE_CODES): Define new functions.
3359 * rs6000-protos.h: Declare new functions.
3360 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
3361 (movdi_64): Bracket code intended for 64-bit hosts. Create
3362 CONST_DOUBLE for 32-bit values.
3363 (scc insns): Generate DImode compares.
3364 (mfcr insns): Create DImode versions.
3365 (sge matchers): New patterns.
3367 2000-02-15 Gabriel Paubert <paubert@iram.es>
3369 * rs6000.md: Correct instructions length attributes and
3370 constraints on unsigned compare instructions.
3371 (*ne0): Disable for PowerPC64.
3373 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3375 * rs6000.c (output_function_profiler): Use .long for a 32-bit
3376 quantity, fix profile1.C test failure under -fPIC.
3378 * rs6000.c: Add 'u' to many constants to suppress warnings.
3379 (constant_pool_expr_1): Make static.
3380 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
3381 * rs6000.h: Add 'u' to many constants to suppress warnings.
3383 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
3384 for the start of the TOC, instead of LCTOC..0.
3385 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
3387 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
3388 (load_toc_aix_di): Use LCTOC..1.
3390 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
3391 * rs6000.c (rs6000_legitimize_address): New function from
3392 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
3393 symbols in the constant pool that really are TOC references.
3394 (print_operand_address): For ELF, write TOC offsets under
3395 -fPIC as subtractions in the insn.
3396 (output_toc): For ELF, define symbols in TOC as normal labels,
3398 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
3399 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
3400 (create_TOC_reference): Prototype only when RTX_CODE is defined.
3401 * rs6000.md (movsi): Only use create_TOC_reference on
3402 symbols in the constant pool that really are TOC references.
3404 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
3405 * rs6000.c (rs6000_reorg): Delete.
3406 * rs6000-protos.h (rs6000_reorg): Delete.
3408 2000-02-09 Geoff Keating <geoffk@cygnus.com>
3410 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
3412 * aix.h (SETUP_FRAME_ADDRESSES): Define.
3413 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
3414 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
3415 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
3416 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
3417 rs6000_aix_emit_builtin_unwind_init.
3418 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
3419 rs6000_emit_eh_toc_restore on AIX.
3420 (return_eh_si): Use r2.
3421 (return_eh_di): Use r2.
3423 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
3424 since we're breaking binary compatibility anyway.
3426 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3428 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
3429 constant_pool_expr_p): Declare them.
3430 (constant_pool_expr_p): Declare it.
3431 * config/rs6000/rs6000.c (toc_label_name): Define.
3432 (rs6000_override_options): Set toc_label_name.
3433 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
3434 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
3435 uses_TOC): New functions.
3436 (print_operand): Delete old '*' case.
3437 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
3438 and strip off rtl for TOC before calling output_addr_const.
3439 (rs6000_emit_load_toc_table): Use toc_label_name.
3440 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
3442 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
3443 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
3444 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
3445 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
3446 into explicit TOC_REGISTER offsets.
3447 (TOC_REGISTER): New macro.
3448 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
3449 TARGET_TOC to reference TOC_REGISTER.
3450 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
3451 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
3452 uses_TOC before emitting label references.
3454 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3456 * rs6000.md (stack_tie): Fix warning.
3458 * eabi-ctors.c: Use 'asm' names for the start/end variables,
3459 to handle -fleading-underscore.
3460 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
3461 (USER_LABEL_PREFIX): New macro.
3462 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
3463 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
3464 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
3465 call-linux can use the same multilibs.
3466 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
3467 and call-linux multilibs. Do multilib with -fleading-underscore.
3468 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
3469 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
3472 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
3473 have MASK_SOFT_FLOAT set.
3474 (CPP_FLOAT_DEFAULT_SPEC): New macro.
3475 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
3476 CPP_FLOAT_DEFAULT_SPEC.
3478 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
3479 * rs6000.md: Whitespace change.
3480 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
3481 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
3483 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3485 * rs6000.md (eh_epilogue): New expander.
3486 (eh_reg_restore): New expand/split/insn combination.
3487 (return_eh_si): New insn.
3488 (return_eh_di): New insn.
3490 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
3491 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
3492 * eabi-ctors.c (__do_global_ctors): Register this object's
3493 frame. Clean up. Call atexit() after the constructors.
3494 (__do_global_dtors): Deregister this object's frame. Clean up.
3495 Allow for recursive calls to exit().
3496 * rs6000.c (fixuplabelno): New variable.
3497 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
3498 TARGET_RELOCATABLE, it slows down exec() under linux.
3499 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
3501 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
3502 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
3503 (ASM_OUTPUT_DWARF_DELTA2): New macro.
3504 (ASM_OUTPUT_DWARF_DELTA4): New macro.
3505 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
3506 (ASM_OUTPUT_DWARF_ADDR): New macro.
3507 (ASM_OUTPUT_DWARF_DATA4): New macro.
3508 (ASM_OUTPUT_DWARF_DATA2): New macro.
3509 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
3510 (ASM_OUTPUT_DWARF_OFFSET): New macro.
3511 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
3513 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3515 * rs6000.c (rs6000_sr_alias_set): New variable.
3516 (rs6000_override_options): Initialise rs6000_sr_alias_set.
3517 (rs6000_emit_stack_tie): New function.
3518 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
3519 in a way that dwarf2out can understand.
3520 (rs6000_frame_related): New function.
3521 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
3522 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
3523 Use rs6000_emit_stack_tie when needed.
3524 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
3525 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
3526 * rs6000.md (stack_tie): New insn.
3527 (return_internal_si): Allow return value to be in the count
3529 (return_internal_di): Likewise.
3531 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
3533 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3535 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
3537 2000-01-31 Geoff Keating <geoffk@cygnus.com>
3539 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
3541 * rs6000.md (stmw): Use the right POWER opcode.
3544 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3546 * rs6000-protos.h: New file.
3548 * rs6000.c: Include tm_p.h. Fix compile time warnings.
3550 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
3553 * sysv4.h: Likewise.
3555 2000-01-28 Geoff Keating <geoffk@cygnus.com>
3557 * ../../configure.in: Delete powerpcle-*-winnt*
3558 and powerpcle-*-pe|powerpcle-*-cygwin*.
3559 * ../../configure: Regenerated.
3561 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
3562 (TARGET_WINDOWS_NT): Delete.
3564 (CALL_NT_DLLIMPORT): Delete.
3565 Delete NT-specific code.
3566 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
3569 * nt-ci.asm: Delete.
3570 * nt-cn.asm: Delete.
3571 * ntstack.asm: Delete.
3573 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3575 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
3576 (ASM_FILE_START): Likewise.
3577 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3578 (ASM_OUTPUT_LABELREF): Likewise.
3579 (ASM_OUTPUT_SKIP): Likewise.
3580 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3581 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3582 (ASM_OUTPUT_CASE_LABEL): Likewise.
3583 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3584 (ASM_OUTPUT_ASCII): Likewise.
3586 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
3588 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
3589 reload_toc_labelno for non-prologue TOC reloads. Also, don't
3590 increment rs6000_pic_labelno here.
3591 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
3592 and increment rs6000_pic_labelno here.
3594 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
3596 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
3597 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
3598 allocation knows (reg) is dead before the insn.
3600 2000-01-21 Geoff Keating <geoffk@cygnus.com>
3602 * rs6000.md (movsi_to_cr): Correct typo in output template.
3604 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3606 * rs6000.c (rs6000_pic_labelno): Always define.
3607 (rs6000_pic_func_labelno): Delete.
3608 (lmw_operation): Check for a zero base register,
3609 which doesn't mean what we want.
3610 (stmw_operation): New function.
3611 (print_operand): Define new 'l' modifier.
3612 (rs6000_stack_info): We must save all 64 bits of the registers
3613 if TARGET_POWERPC64.
3614 (rs6000_output_load_toc_table): Delete.
3615 (rs6000_emit_load_toc_table): New function.
3616 (rs6000_allocate_stack_space): Delete.
3617 (rs6000_emit_allocate_stack): New function.
3618 (rs6000_emit_prologue): New function.
3619 (output_prolog): Use rs6000_emit_prologue.
3620 (rs6000_emit_epilogue): Change a few variable names to be
3621 more accurate. Restore all 64 bits of the registers if
3622 TARGET_POWERPC64. Only restore the FP registers which were used
3623 if they are being saved/restored one-at-a-time.
3624 (output_mi_thunk): Delete inefficient code generation.
3625 (output_function_profiler): Don't use rs6000_output_load_toc_table.
3626 * rs6000.h: Declare rs6000_emit_load_toc_table,
3627 rs6000_allocate_stack_space, stmw_operation. Don't declare
3628 rs6000_output_load_toc_table.
3629 * rs6000.md (elf_high): Allow register 0, but discourage it
3631 (elf_low): Support loading into register 0.
3632 (load_toc_aix_si): New pattern.
3633 (load_toc_aix_di): New pattern.
3634 (load_toc_v4_pic_si): New pattern.
3635 (load_toc_v4_pic_di): New pattern.
3636 (load_toc_v4_PIC_1): New pattern.
3637 (load_toc_v4_PIC_1b): New pattern.
3638 (load_toc_v4_PIC_2): New pattern.
3639 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
3640 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
3641 (prologue): New expander.
3642 (movesi_from_cr): New pattern.
3643 (stmw): New pattern.
3644 (save_fpregs_si): New pattern.
3645 (save_fpregs_di): New pattern.
3647 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3649 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
3654 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3656 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
3658 (movsi_got_internal): Likewise.
3659 (movsi_got_internal+1): Likewise.
3660 (set_sp): 'unspec 7' does a SImode clobber.
3662 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3664 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
3665 allocate a stack temporary.
3666 (floatsidf2_internal): Likewise.
3667 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
3669 (floatunssidf2): Don't use the fpmem "register", just
3670 allocate a stack temporary.
3671 (floatunssidf2_internal): Likewise.
3672 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
3674 (floatsidf2_loadaddr): Delete.
3675 (floatsidf2_store1): Delete.
3676 (floatsidf2_store2): Delete.
3677 (floatsidf2_load): Delete.
3678 (fix_truncdfsi2): Don't use the fpmem "register", just
3679 allocate a stack temporary.
3680 (fix_truncdfsi2_internal_si): Delete.
3681 (fix_truncdfsi2_internal_di): Delete.
3682 (fix_truncdfsi2_internal): New insn.
3683 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
3684 (fix_truncdfsi2_store): Delete.
3685 (fix_truncdfsi2_load): Delete.
3686 (fctiwz): Produce gen_fctiwz.
3688 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3690 * eabi.h (INVOKE__main): Define.
3691 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
3693 (rs6000_emit_prologue): Likewise.
3694 * rs6000.h (struct rs6000_stack): Don't keep track of whether
3695 this is the main program.
3697 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3699 * rs6000.c (rs6000_va_arg): Delete some unused variables.
3701 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3703 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
3704 goes after the argument.
3706 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3708 * rs6000.md: Document 'unspec' values used.
3709 (epilogue): New expander.
3710 (movesi_to_cr_one): New expander.
3711 (movesi_to_cr and following): New pattern.
3713 (return_internal_si): New pattern.
3714 (return_internal_di): New pattern.
3715 (return_and_restore_fpregs_si): New pattern.
3716 (return_and_restore_fpregs_di): New pattern.
3717 * rs6000.h: Declare new functions.
3718 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
3719 rather than rs6000_calls_p.
3720 (rs6000_makes_calls): Delete.
3721 (lmw_operation): New function.
3722 (mtcrf_operation): New function.
3723 (rs6000_emit_epilogue): New function.
3724 (output_epilog): Call rs6000_emit_epilogue and final if
3725 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
3727 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3729 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
3730 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
3731 * aix.h (SUBTARGET_SWITCHES): Document switches.
3732 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
3733 sched-prolog and sched-epilog the same. Document all the
3735 (TARGET_OPTIONS): No longer allow -mdebug-.
3737 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3739 * rs6000.h (ASM_FILE_END): Move to aix.h.
3740 (EXTRA_SECTIONS): Move to aix.h.
3741 (READONLY_DATA_SECTION): Move to aix.h.
3742 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
3743 (SELECT_SECTION): Move to aix.h.
3744 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
3745 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
3746 (LINK_REGISTER_REGNUM): New definition.
3747 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
3748 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
3750 * sysv4.h: Delete the code between the inclusion of rs6000.h
3752 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
3753 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
3754 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
3755 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
3756 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
3757 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
3758 (fix_truncdfsi2_internal_di): New pattern.
3759 (fix_truncdfsi2_store): The second arg here is Pmode too.
3760 (fix_truncdfsi2_load): The second arg here is Pmode too.
3761 (tablejumpdi): Now that switch tables hold only SImode values,
3762 gcc needs to know how to add them to the pc which is DImode.
3763 * rs6000.c (rs6000_stack_info): Use symbolic name for
3764 LINK_REGISTER_REGNUM.
3765 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
3766 (output_toc): Delete unused variables s1 and s2.
3767 (output_ascii): Use fputs not fprintf on a variable string.
3769 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3771 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3772 * aix43.h: Revert Aug 2 change.
3773 (HAS_INIT_SECTION): Define, not visible yet.
3774 (LD_INIT_SWITCH): Define, not visible yet.
3775 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3777 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3779 * config/rs6000/rtems.h: Include config/rtems.h.
3781 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3783 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3784 (SLOW_UNALIGNED_ACCESS): Define.
3785 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3786 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3787 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3788 (toc_section): Likewise and .toc pseudo-op.
3789 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3791 (TEXT_SECTION_ASM_OP): Likewise.
3792 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3795 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3797 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
3798 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3801 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3803 * rs6000.h: Move more stuff from here...
3805 * sysv4.h: Cleanup accordingly.
3806 * netware.h: Likewise
3808 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3810 * rs6000.h: Continue cleanup.
3813 * netware.h: Likewise.
3815 * sysv4.h: Likewise.
3816 * win-nt.h: Likewise.
3818 * rs6000.h (TARGET_SWITCHES): Add descriptions.
3819 (TARGET_OPTIONS): Likewise.
3821 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
3822 (SUBTARGET_OPTIONS): Likewise.
3824 * rs6000.md: Fix compile time warnings.
3826 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3828 vxworks patches from the Cygnus tree originally by
3829 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
3830 <vmakarov@cygnus.com>.
3831 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
3832 (ENDFILE_SPEC): Likewise.
3833 (LIB_VXWORKS_SPEC): New macro.
3834 (STARTFILE_VXWORKS_SPEC): New macro.
3835 (ENDFILE_VXWORKS_SPEC): New macro.
3836 (LINK_START_VXWORKS_SPEC): New macro.
3837 (LINK_OS_VXWORKS_SPEC): New macro.
3838 (CPP_OS_VXWORKS_SPEC): New macro.
3839 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
3840 * vxppc.h: Rewrite to use proper configuration method.
3841 * vxppcle.h: New file.
3842 * ../../configure.in: Add powerpcle-wrs-vxworks*.
3843 * ../../configure: Rebuilt.
3845 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3847 Lots of changes to rs6000.h, sysv4.h, aix.h,
3848 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
3849 with the aim that rs6000.h is the first header
3850 included and the others override it.
3853 * x-aix41-gld: Remove.
3855 * x-aix41: Remove target-specific switches, and don't specify
3856 -Wl,-bbigtoc as we don't need it any more.
3857 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
3858 Use t-aix43 for AIX 4.3 and above.
3859 * ../../configure: Regenerated.
3861 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
3862 options, that don't do anything yet.
3863 (MASK_SCHED_PROLOG): New macro.
3864 (MASK_SCHED_EPILOG): New macro.
3865 (TARGET_SCHED_PROLOG): New macro.
3866 (TARGET_SCHED_EPILOG): New macro.
3868 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3870 * rs6000.c: Correct comment, the `minimal' TOCs are actually
3871 one per translation unit, not one per function.
3872 (output_toc): Also do duplicate constant elimination
3873 for per-translation-unit TOCs.
3875 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
3876 a comment explaining _exactly_ when this pattern gets used.
3877 (builtin_setjmp_receiver): New pattern for better clarity.
3878 (init_v4_pic): Move it into a section dealing with TOC registers.
3880 1999-12-30 Geoff Keating <geoffk@cygnus.com>
3882 * rs6000.c (toc_hash_table): New variable.
3883 (rs6000_hash_constant): New function.
3884 (toc_hash_function): New function.
3885 (toc_hash_eq): New function.
3886 (toc_hash_mark_entry): New function.
3887 (toc_hash_mark_table): New function.
3888 (output_toc): Don't output duplicate TOC entries in
3890 (rs6000_add_gc_roots): Add the hash table as a GC root.
3891 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
3892 where they clearly shouldn't be. This may need to be fixed
3893 later when there is a GNU ar for AIX.
3894 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
3895 Don't define BOOT_LDFLAGS as it is now not necessary.
3897 1999-12-29 Geoff Keating <geoffk@cygnus.com>
3899 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
3900 for va_list on AIX. Use unsigned_char_type_node rather than
3901 constructing our own version on svr4.
3903 1999-12-17 Geoff Keating <geoffk@cygnus.com>
3905 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
3906 since patently it's not.
3908 1999-12-08 Geoff Keating <geoffk@cygnus.com>
3910 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
3911 define_expand/define_insn pair, and handle restore of the
3912 SVR4 -fpic register.
3914 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
3916 * acconfig.h (HAVE_GAS_WEAK): New define.
3917 * configure.in (assembler weak support): Check for .weak support.
3918 * config.in, configure: Rebuilt.
3919 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
3920 HAVE_GAS_WEAK is defined.
3922 2000-03-15 Nick Clifton <nickc@cygnus.com>
3924 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
3927 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
3929 * cppfiles.c (open_include_file): New function.
3930 (find_include_file, cpp_read_file): Use it.
3932 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3934 * cpphash.c (dump_hash_helper): Take the slot, not the element.
3936 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
3938 * flow.c (verify_flow_info): Check for unconditional return.
3940 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
3942 * config/ia64/ia64.md (restore_stack_nonlocal): New.
3943 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
3944 (__ia64_restore_stack_nonlocal): New.
3945 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
3947 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3949 * cpphash.c (collect_formal_parameters): Do not complain about
3950 parameter names that just start with `__VA_ARGS__'.
3952 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
3954 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
3955 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
3956 * i386.c (pentiumpro_cost): Set mul cost to 4.
3957 (x86_use_movx): Set for PPro.
3959 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
3961 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
3962 STACK_BOUNDARY for empty frames now.
3964 2000-03-14 Mark Mitchell <mark@codesourcery.com>
3966 * stor-layout.c (layout_union): Remove.
3967 (layout_union_field): New function, split out from layout_union.
3968 (finish_union_layout): Likewise.
3969 (layout_field): Handle unions by calling layout_union_field.
3970 (finish_record_layout): Handle unions.
3971 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
3972 QUAL_UNION_TYPE handling.
3974 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
3976 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
3977 end of basic block is jump_insn, not barrier; use create_basic_block
3978 instead of creating basic block by hand.
3980 2000-03-14 Jason Eckhardt <jle@cygnus.com>
3982 * flow.c (reorder_basic_blocks): Account for barriers when writing
3983 over NEXT_INSN (last_bb->end).
3984 (verify_flow_info): Add check for missing barriers.
3986 2000-03-14 Greg McGary <gkm@gnu.org>
3988 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
3989 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
3990 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
3991 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
3992 __unbounded, __unbounded__): New keywords.
3993 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
3994 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3995 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3997 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
3999 * cselib.h: New file.
4000 * alias.c: Include "cselib.h".
4001 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
4002 MEMs as two new arguments.
4003 (get_addr): New static function.
4004 (find_base_term): Handle VALUEs.
4005 (memrefs_conflict_p): Likewise.
4006 (true_dependence): Call get_addr on the addresses.
4007 Call fixed_scalar_and_varying_struct_p with addresses that have been
4008 passed through get_addr and canon_rtx.
4009 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
4010 with true_dependence.
4011 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
4012 * loop.c: Include "cselib.h".
4013 (load_mems): Process extended basic block that enters the loop with
4014 cselib. Use that information to change initialization of the shadow
4015 register so that a constant equivalence is seen by later passes.
4016 * reload1.c: Include "cselib.h".
4017 (reload_cse_invalidate_regno): Delete function.
4018 (reload_cse_mem_conflict_p): Likewise.
4019 (reload_cse_invalidate_mem): Likewise.
4020 (reload_cse_invalidate_rtx): Likewise.
4021 (reload_cse_regno_equal_p): Likewise.
4022 (reload_cse_check_clobber): Likewise.
4023 (reload_cse_record_set): Likewise.
4024 (reg_values): Delete static variable.
4025 (invalidate_regno_rtx): Likewise.
4026 (reload_cse_delete_noop_set): New static function.
4027 (reload_cse_simplify): New static function, broken out of
4029 (reload_cse_noop_set_p): Delete unused argument INSN.
4030 Just call rtx_equal_for_cselib_p on set source and destination.
4031 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
4032 reload_cse_delete_noop_set. Delete code to keep track of values; use
4033 cselib functions instead. Delete code to push/pop obstacks.
4034 (reload_cse_simplify_set): Use cselib to find equivalent values.
4035 Delete code to push/pop obstacks.
4036 (reload_cse_simplify_operands): Likewise.
4037 * rtl.def (VALUE): New rtx code.
4038 * rtl.h (union rtunion_def): New elt rt_cselib.
4039 (X0CSELIB, CSELIB_VAL_PTR): New macros.
4040 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
4041 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
4042 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
4043 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
4044 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
4045 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
4046 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
4047 cselib_record_set, cselib_record_sets): New static functions.
4048 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
4049 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
4050 references_value_p): New functions.
4051 (MAX_USELESS_VALUES, REG_VALUES): New macros.
4052 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
4053 n_useless_values, reg_values, callmem, cselib_obstack,
4054 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
4055 New static variables.
4056 * varray.h (union varray_data_tag): New elt te.
4057 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
4058 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
4061 2000-03-14 Nick Clifton <nickc@cygnus.com>
4063 * gcc.c (do_spec_1): Catch the case where %* is used in a
4064 substitution pattern, but it has not been initialised.
4065 Issue a meaningful error message if an unrecognised operator
4066 is encountered in a spec string.
4068 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
4070 * function.c (prepare_function_start): Correctly initialize
4071 cfun->stack_alignment_needed.
4073 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
4075 * cppfiles.c (find_include_file): Don't assume nshort is a
4078 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
4080 * configure.in (hppa configurations): Add pa32-regs.h to the
4081 list of tm files as appropriate.
4082 * configure: Rebuilt.
4083 * pa.c (compute_frame_size): Remove explicit knowledge about FP
4085 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
4086 (fmpyaddoperands, fmpysuboperands): Likewise.
4087 * pa.h: Remove various definitions which depend on knowing
4088 how registers are numbered.
4089 * pa32-regs.h: New file with PA32 register numbering specific
4092 2000-03-14 Richard Henderson <rth@cygnus.com>
4094 * regmove.c (combine_stack_adjustments): New.
4095 (stack_memref_p, single_set_for_csa): New.
4096 (free_csa_memlist, record_one_stack_memref): New.
4097 (try_apply_stack_adjustment): New.
4098 (combine_stack_adjustments_for_block): New.
4099 * rtl.h (combine_stack_adjustments): Declare.
4100 * toplev.c (rest_of_compilation): Call it.
4102 * i386.md: Revert 2000-01-16 change.
4104 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4106 * gccbug.in: Add web category, gcc specific classes.
4108 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
4110 * stor-layout.c (finalize_record_size): Fix typo.
4112 2000-03-14 Stan Shebs <shebs@apple.com>
4114 * c-typeck.c (c_alignof): Error on incomplete types.
4115 * extend.texi (Alignment): Document this.
4117 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4119 * cppfiles.c: Include mkdeps.h.
4120 (find_include_file, read_include_file): Remove _cpp_ prefix
4121 from name, make static.
4122 (_cpp_execute_include): New function, broken out of
4125 * cpplib.c: Don't include mkdeps.h.
4126 (struct directive): Remove type field. Reorder entries. The
4127 function takes only one argument.
4128 (struct if_stack): Make type field an int.
4129 (directive_table): Rename to dtable. Generate it, the
4130 prototypes of the directive handlers, and the enum for the
4131 directive numbers, from a template macro.
4132 (do_ifndef, do_include_next, do_import): New functions.
4133 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
4134 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
4135 do_ident, do_assert, do_unassert, do_sccs): Take only one
4137 (do_sccs): Define always, but alter behavior based on
4139 (_cpp_handle_directive, consider_directive_while_skipping):
4140 Restructure for new directive table layout.
4142 (pass_thru_directive): Take a directive number, not a pointer
4143 to a struct directive.
4144 (parse_include): New function, broken out of do_include.
4145 (do_include, do_import, do_include_next): Use parse_include
4146 and _cpp_execute_include.
4147 (do_elif, do_else): Test for T_ELSE specifically when checking
4148 for #elif/#else after #else.
4149 (parse_ifdef): New function, broken out of do_ifdef.
4150 (validate_else): Expect a name arg without a leading #.
4151 (if_directive_name): Delete.
4152 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
4153 directive handlers with only one argument.
4155 * cpphash.h: Update prototypes.
4156 (enum node_type): Remove entries for directives.
4157 * Makefile.in: Update dependencies.
4159 * cpphash.c (dump_hash_helper): Only dump nodes of type
4160 T_MACRO. Emit a newline after each definition.
4162 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4164 * gccbug.in: New file.
4165 * configure.in (all_outputs): Add gccbug.
4166 * Makefile.in (install-common): Install gccbug.
4167 (GCCBUG_INSTALL_NAME): New variable.
4168 * configure: Rebuilt.
4170 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4172 * function.c (put_var_into_stack): Use type_for_mode to calculate
4173 part_type. Use MEM_SET_IN_STRUCT_P.
4174 * expr.c (store_field): Handle CONCAT.
4175 (store_constructor): Use fields_length.
4176 * tree.c (fields_length): New fn.
4177 * tree.h: Declare it.
4179 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4181 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
4182 (cpplex.o): New target.
4183 * po/POTFILES.in: Add cpplex.c.
4185 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
4186 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
4187 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
4188 skip_block_comment, skip_line_comment, skip_comment,
4189 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
4190 _cpp_parse_name, skip_string, parse_string,
4191 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
4192 _cpp_get_directive_token, find_position,
4193 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
4194 (maybe_macroexpand, _cpp_lex_token): New functions.
4196 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
4197 parse_goto_mark): Delete.
4198 (_cpp_handle_eof): New function.
4199 (_cpp_handle_directive): Rename from handle_directive.
4200 (_cpp_output_line_command): Rename from output_line_command.
4201 (do_if, do_elif): Call _cpp_parse_expr directly.
4202 * cppfiles.c (_cpp_read_include_file): Don't call
4203 init_input_buffer here.
4204 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
4205 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
4206 here; pop the token_buffer and skip the rest of the line here.
4207 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
4210 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
4212 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
4213 CPP_GOTO_MARK): New macros.
4214 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
4215 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
4216 _cpp_read_and_prescan, _cpp_init_input_buffer,
4217 _cpp_grow_token_buffer, _cpp_get_directive_token,
4218 _cpp_handle_directive, _cpp_handle_eof,
4219 _cpp_output_line_command): Prototype them here.
4220 * cpplib.h (enum cpp_token): Add CPP_MACRO.
4221 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
4222 quote_string, output_line_command): Remove.
4224 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
4226 * stmt.c (expand_end_case): RANGE may be signed, and when checking
4227 whether it is too large we must also verify that it isn't negative.
4229 2000-03-13 Jakub Jelinek <jakub@redhat.com>
4231 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
4232 (movsi_zero_liveg0): Remove.
4233 (movsf_insn_novis_liveg0): Remove.
4235 (negsi2_not_liveg0): Rename to negsi2.
4236 (one_cmplsi2): Remove.
4237 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
4238 (one_cmplsi2_liveg0): Remove.
4239 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
4240 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
4241 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
4242 (PREDICATE_CODES): Remove zero_operand.
4243 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
4244 TARGET_BROKEN_SAVERESTORE.
4245 (zero_operand): Remove.
4246 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
4247 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
4249 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4250 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4251 TARGET_BROKEN_SAVERESTORE): Remove.
4252 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4254 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4256 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4259 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
4261 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4263 * cpplib.c (do_pragma_implementation): Fix off-by-one error
4264 truncating a string. Don't assume tokens are nul terminated.
4265 Problem noted by Andreas Jaeger <aj@suse.de>
4267 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4269 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
4270 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
4271 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
4273 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
4275 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
4276 STRUCTURE_SIZE_BOUNDARY.
4278 2000-03-13 Mark Mitchell <mark@codesourcery.com>
4280 * tree.h (record_layout_info_s): New structure.
4281 (record_layout_info): New type.
4282 (new_record_layout_info): New function.
4283 (layout_field): Likewise.
4284 (finish_record_layout): Likewise.
4285 * stor-layout.c (layout_record): Remove.
4286 (new_record_layout_info): New function.
4287 (layout_field): New function, broken out from layout_record.
4288 (finalize_record_size): Likewise.
4289 (compute_record_mode): Likewise.
4290 (finalize_type_size): New function, broken out from layout_type.
4291 (finish_record_layout): Likewise.
4292 (layout_type): Use them.
4294 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4296 * cpphash.c: Don't include version.h.
4297 (special_symbol) [case T_VERSION]: Look for the string in
4298 hp->value.cpval; don't use version_string.
4299 * cppinit.c (initialize_builtins): Set hp->value.cpval for
4300 __VERSION__ to version_string.
4301 * Makefile.in (cpphash.o): Update deps.
4303 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4305 Convert cpplib to use libiberty/hashtab.c.
4307 * cpplib.h (struct cpp_reader): Make hashtab and
4308 all_include_files of type 'struct htab *'. Delete HASHSIZE
4309 and ALL_INCLUDE_HASHSIZE macros.
4311 * cpphash.h: Update prototypes.
4312 (struct hashnode): Remove next, prev, and bucket_hdr members.
4313 Make length a size_t. Add hash member.
4314 (struct ihash): Remove next member. Add hash member. Make
4315 name a flexible array member.
4317 * cppfiles.c: Include hashtab.h.
4318 (include_hash): Delete.
4319 (IHASHSIZE): New macro.
4320 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
4321 (cpp_included): Do the hash lookup here.
4322 (_cpp_find_include_file): Rewrite.
4323 (cpp_read_file): Put the "fake" hash entry into the hash
4324 table. Honor the control_macro, if it turns out we've seen
4325 the file before. Don't push the buffer here.
4326 (_cpp_read_include_file): Push the buffer here.
4327 (OMODES): New macro. Use it whenever we call open(2).
4329 * cpphash.c: Include hashtab.h.
4330 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
4331 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
4332 _cpp_lookup_slot): New functions.
4333 (HASHSIZE): new macro.
4334 (hashf, _cpp_install, _cpp_delete_macro): Delete.
4335 (_cpp_lookup): Use hashtab.h routines.
4337 * cppinit.c: Include hashtab.h.
4338 (cpp_reader_init): Call _cpp_init_macro_hash and
4339 _cpp_init_include_hash. Don't allocate hashtab directly.
4340 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
4341 pfile->all_include_files.
4342 (initialize_builtins): Use _cpp_make_hashnode and
4343 htab_find_slot to add hash entries.
4344 (cpp_finish): Just call _cpp_dump_macro_hash.
4345 * cpplib.c: Include hashtab.h.
4346 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
4347 create hash entries.
4348 (do_pragma_poison, do_assert): Likewise.
4349 (do_include): Don't push the buffer here. Don't increment
4350 system_include_depth unless _cpp_read_include_file succeeds.
4351 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
4353 (do_pragma_implementation): Use alloca to create copy.
4355 * Makefile.in: Update dependencies.
4357 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4359 * cppinit.c (cl_directive_handler): More K&R fixing.
4361 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
4363 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
4365 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
4367 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4369 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
4370 Change from char[] to macros.
4372 2000-03-12 Neil Booth <NeilB@earthling.net>
4374 * cppinit.c (cpp_start_read): Update indirect function
4377 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
4379 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
4382 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4383 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
4385 2000-03-11 Neil Booth <NeilB@earthling.net>
4387 * cppinit.c (struct pending option): Replace undef with a
4388 pointer to a directive handling routine.
4389 (struct cpp_pending): Replace separate assert_ and define_
4390 lists with one directive_ list.
4391 (new_pending_define): Rename new_pending_directive. Extra
4392 argument is the directive's handling routine.
4393 (handle_option): Update to use new_pending_directive.
4395 2000-03-11 Neil Booth <NeilB@earthling.net>
4397 * cppfiles.c (file_cleanup, _cpp_find_include_file,
4398 remap_filename, _cpp_read_include_file, actual_directory,
4399 hack_vms_include_specification): Replace bcopy(), index() etc
4400 calls. Add casts to some allocations. Make some variables
4401 pointers to const [unsigned] char.
4402 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
4403 collect_formal_parameters): Similarly.
4404 * cppinit.c (struct pending_option, append_include_chain,
4405 cpp_options_init, cpp_reader_init, initialize_standard_includes,
4406 cpp_start_read, new_pending_define, handle_option): Similarly.
4407 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
4408 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
4409 do_pragma_implementation, detect_if_not_defined,
4410 do_ifdef, skip_if_group, cpp_get_token, parse_string,
4411 do_assert, do_unassert): Similarly.
4412 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
4413 function prototypes.
4414 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
4416 2000-03-10 Richard Henderson <rth@cygnus.com>
4418 * builtins.c (expand_builtin_strlen): Revert last change.
4419 Use emit_insn_before if we're at the beginning of a sequence.
4421 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
4423 * builtins.c (expand_builtin_strlen): Make sure that we have something
4424 at the beginning of the sequence.
4426 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
4429 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
4431 2000-03-10 Richard Henderson <rth@cygnus.com>
4433 * except.c (can_throw): Use INTVAL on a CONST_INT.
4434 (reachable_handlers): Likewise.
4435 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
4437 2000-03-10 Andreas Jaeger <aj@suse.de>
4439 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
4440 MD_STARTFILE_PREFIX since those are not needed on linux.
4441 (ASM_FILE_START): New, from mips/gnu.h.
4443 2000-03-09 Richard Henderson <rth@cygnus.com>
4444 Alex Samuel <samuel@codesourcery.com> and others
4446 * Makefile.in (ssa.o): New rule.
4448 (STAGESTUFF): Add *.ssa and *.ussa.
4449 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
4450 * rtl.def (PHI): New RTL expression.
4451 * rtl.h (clear_log_links): New declaration.
4452 (convert_to_ssa): Likewise.
4453 (convert_from_ssa): Likewise.
4454 * flow.c (split_edge): If the entry node falls through to the
4455 split edge's source block, split the entry edge.
4456 (clear_log_links): New function.
4457 * toplev.c (ssa_dump): New variable.
4458 (flag_ssa): Likewise.
4459 (f_options): Add "ssa".
4460 (compile_file): Create SSA dump files.
4461 (rest_of_compilation): Go to and from SSA if enabled.
4462 (decide_d_option): Handle -de for SSA dump files.
4465 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
4467 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
4470 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
4472 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
4474 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
4476 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
4477 (MD_STARTFILE_PREFIX_1): New macro.
4479 2000-03-09 Robert Lipe <robertl@sco.com>
4481 * config/ia64/ia64.c: Include system.h.
4483 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4485 * except.c (nothrow_function_p): If -fno-exceptions, just return.
4486 (init_eh_nesting_info): Likewise.
4488 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
4489 (TREE_NOTHROW): Rename from TREE_RAISES.
4490 * toplev.c (rest_of_compilation): Set it.
4491 * print-tree.c (print_node): Adjust.
4492 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
4493 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
4494 * calls.c (emit_call_1): Add 'nothrow' parm. Add
4495 REG_EH_REGION note as appropriate.
4496 (libfunc_nothrow): New fn.
4497 (emit_library_call, emit_library_call_value): Use it.
4498 (expand_call): Check TREE_NOTHROW.
4500 * varasm.c (make_decl_rtl): Skip initial '*' when setting
4501 DECL_ASSEMBLER_NAME.
4503 2000-03-09 Andreas Jaeger <aj@suse.de>
4505 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
4506 (TARGET_MEM_FUNCTIONS): Define.
4508 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4510 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
4512 * except.c (can_throw): See through a SEQUENCE.
4513 (nothrow_function_p): New fn.
4514 * except.h: Declare it.
4515 * function.c (current_function_nothrow): New var.
4516 (prepare_function_start): Initialize it.
4517 * output.h: Declare it.
4518 * toplev.c (rest_of_compilation): Set it.
4519 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
4521 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
4523 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
4524 match. (cpp_compare_defs): Count the nul separator when
4525 advancing over argument names.
4527 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
4529 * recog.c (preprocess_constraints): Matching constraints affect
4530 same alternative/different operand, not same operand/different
4533 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
4534 register and a constant specially.
4536 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4538 * libgcc2.h: New file.
4539 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
4541 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
4543 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
4544 * configure: Regenerate.
4547 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4549 * Makefile.in (LIBCPP_DEPS): New macro.
4550 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
4552 * cpperror.c: Include cpphash.h.
4553 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
4555 (lex): Don't use CPP_WARN_UNDEF.
4556 (_cpp_parse_expr): Return an int, the truth value.
4557 * cppfiles.c: Include cpphash.h.
4558 (_cpp_merge_include_chains): Move to cppinit.c and make static.
4559 * cppinit.c (include_defaults_array): Disentangle.
4560 (cpp_cleanup): Don't free the if stack here.
4561 (cpp_finish): Pop off all buffers, not just one.
4562 * cpplib.c (eval_if_expr): Return int.
4563 (do_xifdef): Rename do_ifdef.
4564 (handle_directive): Don't use CPP_PREPROCESSED.
4565 (cpp_get_token): Don't use CPP_C89.
4566 * fix-header.c: Don't use CPP_OPTIONS.
4568 * cpplib.h: Move U_CHAR, enum node_type, struct
4569 file_name_list, struct ihash, is_idchar, is_idstart,
4570 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
4571 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
4572 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
4573 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
4574 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
4575 of _cpp_simplify_pathname, _cpp_find_include_file,
4576 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
4577 Move struct if_stack to cpplib.c. Move struct cpp_pending to
4579 Change all uses of U_CHAR to be unsigned char instead.
4580 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
4582 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4584 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
4585 (dwarf2out_begin_prologue): Set it.
4586 (output_call_frame_info): Don't emit EH unwind info for leaves.
4588 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
4589 can occur outside of an EH region.
4590 * except.c: Correct comments about rethrow behavior.
4591 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
4593 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
4595 * flow.c (make_edges): Always call make_eh_edge for calls.
4597 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4599 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
4600 (struct cpp_buffer): Remove fname and underflow fields.
4601 (struct cpp_reader): Remove get_token field.
4602 (struct include_hash): Rename to struct ihash. Add typedef to
4604 (struct if_stack): Remove fname field.
4605 (IF_STACK_FRAME): Rename to IF_STACK.
4607 * cpperror.c (print_containing_files): Trust that there are no
4608 macro buffers below the top file buffer.
4609 * cppfiles.c: Replace all references to 'struct include_hash'
4610 with 'IHASH'. Rename initialize_input_buffer to
4611 init_input_buffer. Don't set or reference cpp_buffer->fname,
4612 use buffer->ihash->name instead.
4613 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
4614 not CPP_NULL_BUFFER.
4615 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
4616 IF_STACK_FRAME, IHASH not struct include_hash.
4617 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
4618 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
4619 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
4620 references to cpp_buffer->fname (delete entirely, or use
4621 ->ihash->name instead) and IF_STACK->fname.
4622 (cpp_push_buffer): Don't set new->underflow.
4623 (do_include): Use cpp_file_buffer.
4625 * cpphash.c (collect_formal_parameters): Remove duplicate
4626 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
4627 used as a macro argument name. Don't append "..." to namebuf
4628 for varargs macros. After we're done scanning, go through
4629 namebuf and make it NUL separated, not comma separated.
4630 (_cpp_compare_defs): Remove register tag from variables.
4631 Expect defn->argnames to be NUL separated.
4632 (_cpp_dump_definition): Expect defn->argnames to be NUL
4633 separated and in forward order.
4634 * cpphash.h: Update documentation of argnames field.
4636 2000-03-08 Richard Henderson <rth@cygnus.com>
4638 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
4639 to fail. Don't pre-expand the source operand.
4641 * i386.md (strlensi): Initialize eoschar and align before use.
4643 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4645 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
4646 CONSTRUCTOR element.
4648 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4650 * mips.c (mips_expand_prologue): If the last
4651 named argument is the vararg marker "va_list", treat it as
4652 an unnamed argument.
4654 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
4656 * dbxout.c (dbxout_parms): When correcting for promoted
4657 big-endian parameters, use the mode of the DECL_RTL rather
4658 than UNITS_PER_WORD.
4660 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
4662 * c-common.h (make_fname_decl): Declare.
4663 * c-common.c (make_fname_decl): Define.
4664 (declare_hidden_char_array): Remove.
4665 (declare_function_name): Use make_fname_decl.
4666 * c-decl.c (c_make_fname_decl): New function.
4667 (init_decl_processing): Set make_fname_decl.
4669 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
4671 * cccp.c (handle_directive): Initialize backslash_newlines_p.
4673 2000-03-07 Philipp Thomas <pthomas@suse.de>
4675 * po/POTFILES.in: Remove cppalloc.c from file list.
4677 2000-03-07 Steve Chamberlain <sac@pobox.com>
4679 * pj.c (pj_expand_prologue): current_function->args_info is
4680 now current_function_args_info.
4682 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
4683 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
4684 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
4686 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4688 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
4689 output as hexadecimal rather than the default octal.
4691 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4693 * cpphash.c (special_symbol): Fix thinko in previous commit.
4695 2000-03-07 Neil Booth <NeilB@earthling.net>
4697 * cppexp.c (struct operation, left_shift, right_shift,
4698 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
4699 "int"s to "unsigned int"s.
4700 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
4702 * cpplib.h: Update for above.
4703 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
4704 returned from allocations.
4706 * cppinit.c (opt_comp, parse_options): New functions.
4707 (handle_option): Use parse_option to parse a single command
4708 line option, that possibly takes an argument.
4709 (cpp_handle_options): Sort the array of command line options on
4710 first invocation (non-ASCII hosts only).
4711 (print_help): Update.
4713 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4715 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
4716 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
4718 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
4720 * cppinit.c (cpp_cleanup): Free imp->nshort also.
4722 * cpperror.c (cpp_print_containing_files,
4723 cpp_print_file_and_line, v_cpp_message): Rename to
4724 print_containing_files, print_file_and_line, and v_message.
4725 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
4726 to _cpp_parse_expr, parse_escape, and lex.
4727 (parse_charconst): Remove broken multibyte support.
4728 * cppfiles.c (include_hash): Make static.
4729 (cpp_included): New function.
4730 (merge_include_chains, find_include_file, finclude,
4731 simplify_pathname): Rename to _cpp_merge_include_chains,
4732 _cpp_find_include_file, _cpp_read_include_file, and
4733 _cpp_simplify_pathname.
4734 * cpphash.c (cpp_lookup, free_definition, delete_macro,
4735 cpp_install, create_definition, macroexpand, compare_defs,
4736 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
4737 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
4738 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
4739 * cppinit.c (cpp_handle_option): Rename to handle_option, make
4741 * cpplib.c: Remove extern prototype of cpp_parse_expr.
4743 * cpphash.h: Update prototypes.
4744 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
4746 2000-03-07 Andrew Haley <aph@cygnus.com>
4748 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
4749 PTRDIFF_TYPE should be based solely on Pmode.
4752 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4754 * rtl.h (rtunion_def): Constify member `rtstr'.
4755 (emit_line_note_after, emit_line_note, emit_line_note_force,
4756 emit_note, decode_asm_operands): Constify.
4758 * cse.c (canon_hash): Likewise.
4760 * dbxout.c (dbxout_block): Likewise.
4762 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
4763 v_warning_for_asm): Likewise.
4765 * dwarfout.c (function_start_label): Likewise.
4767 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
4768 emit_line_note_force): Likewise.
4770 * final.c (last_filename, asm_insn_count, final_scan_insn,
4771 output_source_line): Likewise.
4773 * function.h (struct emit_status): Likewise.
4775 * gcse.c (hash_expr_1): Likewise.
4777 * genattr.c (gen_attr, main): Likewise.
4779 * genattrtab.c (struct function_unit, current_alternative_string,
4780 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
4781 attr_numeral, check_attr_test, check_attr_value,
4782 convert_set_attr_alternative, convert_set_attr,
4783 compute_alternative_mask, simplify_by_exploding, gen_attr,
4784 gen_unit): Likewise.
4786 * genflags.c (gen_insn): Likewise.
4788 * gengenrtl.c (type_from_format): Likewise.
4790 * genopinit.c (gen_insn): Likewise.
4792 * genoutput.c (n_occurrences, process_template, process_template):
4795 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4798 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4801 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
4802 ggc_set_mark, ggc_get_size): Likewise.
4804 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
4806 * optabs.c (init_one_libfunc): Likewise.
4808 * output.h (assemble_start_function): Likewise.
4810 * recog.c (decode_asm_operands): Likewise.
4812 * toplev.c (rest_of_compilation): Likewise.
4814 * tree.h (emit_line_note_after, emit_line_note,
4815 emit_line_note_force): Likewise.
4817 * varasm.c (asm_output_bss, asm_output_aligned_bss,
4818 asm_emit_uninitialised, assemble_start_function,
4819 assemble_variable, const_hash, compare_constant_1,
4820 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
4822 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
4824 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
4826 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
4828 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
4830 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
4831 arm_dllimport_name_p): Likewise.
4833 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
4836 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
4838 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4840 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
4841 arm_mark_dllexport, arm_mark_dllimport,
4842 arm_pe_encode_section_info): Likewise.
4844 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
4845 ASM_FINISH_DECLARE_OBJECT): Likewise.
4847 * arm/thumb.c (thumb_function_prologue): Likewise.
4849 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
4851 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4853 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
4855 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
4857 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
4859 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4861 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
4862 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
4864 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
4866 * i386/i386.c (asm_output_function_prefix): Likewise.
4868 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
4870 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4872 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
4874 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
4875 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
4876 ASM_OUTPUT_SECTION_NAME): Likewise.
4878 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
4880 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
4882 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
4884 * m32r/m32r.c (m32r_encode_section_info): Likewise.
4886 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4888 * mcore/mcore.c (mcore_encode_section_info): Likewise.
4890 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4892 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4894 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4896 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
4898 * mips/mips.md (movdi, movsi): Likewise.
4900 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4902 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4904 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4906 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
4907 ASM_OUTPUT_ASCII): Likewise.
4909 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
4910 output_mi_thunk, output_toc): Likewise.
4912 * rs6000/rs6000.md (movsi): Likewise.
4914 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
4916 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
4918 * v850/v850.c (print_operand, print_operand_address,
4919 v850_encode_data_area): Likewise.
4921 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
4923 * config/mips/mips.md (zero_extendsidi2): Always force operand
4924 one to memory for mips16.
4926 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4928 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
4929 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
4930 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
4931 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
4932 (min_precision): Result is unsigned.
4933 (add_double, neg_double, mul_double): Low word is unsigned.
4934 (lshift_double, rshift_double, lrotate_double): Likewise.
4935 (rrotate_double, div_and_round_double): Likewise.
4936 (tree_floor_log2, compare_tree_int): New functions.
4937 (preserve_rtl_expr_temps): New declaration.
4938 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
4939 (decl_attributes): Use tree_log2 to find alignment.
4940 Check for TREE_INT_CST_HIGH for format args.
4941 (min_precision): Now unsigned.
4942 Use tree_floor_log2.
4943 (truthvalue_conversion): Delete long-disabled code.
4944 * c-decl.c (finish_struct): Clean up tests on field width.
4945 (finish_function): Use compare_tree_int.
4946 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
4947 * c-typeck.c (comptypes): Use tree_int_cst_equal.
4948 (default_conversion, digest_init): Use compare_tree_int.
4949 (build_binary_op): Use integer_all_onesp and compare_tree_int.
4950 Fix type errors in forming masks.
4951 * calls.c (initialize_argument_information): Use compare_tree_int.
4952 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
4953 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
4954 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
4955 (store_field): Use compare_tree_int.
4956 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
4957 (expand_expr, case ARRAY_REF): Use compare_tree_int.
4958 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
4959 (do_store_flag): Use compare_tree_int.
4960 * fold-const.c (encode, decode): Low part is always unsigned.
4961 (force_fit_type, add_double, neg_double, mul_double): Likewise.
4962 (lshift_double, rshift_double, lrotate_double): Likewise.
4963 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
4964 (fold_convert): Use compare_tree_int.
4965 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
4966 (invert_truthvalue, case INTEGER_CST): Likewise.
4967 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
4968 * mkdeps.c (deps_dummy_targets): Make I unsigned.
4969 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
4970 (lshift_double, rshift_double, lrotate_double, rrotate_double):
4972 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
4973 (expand_end_case): Use compare_tree_int.
4974 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
4975 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
4976 (layout_decl): Likewise.
4977 (layout_record, layout_union): Make sizes unsigned.
4978 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
4979 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
4980 * tree.c (struct type_hash): hashcode is unsigned.
4981 (build_type_attribute_variant, type_hash_list): Likewise.
4982 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
4983 (attribute_hash_list, build_array_type, build_method_type): Likewise.
4984 (build_complex_type): Likewise.
4985 (real_value_from_int_cst): Remove unneeded casts.
4986 (integer_all_onesp): Add casts.
4987 (tree_floor_log2, compare_tree_int): New functions.
4988 (build_index_type): Use tree_int_cst_sgn.
4989 * varasm.c (assemble_variable): Use compare_tree_int.
4991 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
4993 * cpphash.c (collect_expansion): Also catch ## at start of macro.
4995 * varasm.c (make_decl_rtl): Don't add a number to members of
4997 (make_function_rtl): Likewise.
4999 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5001 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
5002 patch from 2000-01-28.
5004 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
5006 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
5007 filled with an insn from the jump target.
5009 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5011 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
5012 (c4x_external_ref): Likewise.
5013 * config/c4x/c4x.c (struct name_list): Likewise.
5015 1999-12-16 Ben Collins <bcollins@debian.org>
5017 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
5018 argument to genmultilib.
5019 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
5020 the contents into the multilib.h header.
5021 * gcc.c: Declare multilib_exclusions for the specs file.
5022 (set_multilib_dir): Use it.
5023 (print_multilib_info): Likewise.
5024 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
5025 to pass to genmultilib.
5027 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5029 * builtins.c (built_in_class_names, built_in_names): Constify a
5032 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
5034 (_mcleanup): Ensure value matches format specifier in sprintf.
5036 * cpphash.c (special_symbol): Don't needlessly cast away
5039 * cppinit.c (base_name): Delete unused prototype.
5041 * mkdeps.c (deps_init): Make definition K&R safe.
5043 * tree.h (built_in_class_names, built_in_names): Constify a
5046 2000-03-06 Jakub Jelinek <jakub@redhat.com>
5048 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
5049 floating point instructions for epilogue delay.
5051 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
5052 to gas if it supports .register pseudo.
5054 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
5055 LONG_DOUBLE_TYPE_SIZE if not defined.
5056 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
5057 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
5059 * gengenrtl.c: Likewise.
5060 * print-rtl.c: Likewise.
5062 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
5063 MASK_LONG_DOUBLE_128.
5064 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
5065 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
5066 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
5067 (SUBTARGET_SWITCHES): Define.
5068 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
5069 with -mlong-double-128.
5070 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5071 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5072 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5073 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
5074 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
5075 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
5076 with -mlong-double-128.
5077 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5078 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5079 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5080 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
5081 TARGET_LONG_DOUBLE_128): Define.
5082 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
5083 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
5084 long double on TARGET_ARCH64.
5086 2000-03-06 Mark Mitchell <mark@codesourcery.com>
5088 * function.c (free_temps_for_rtl_expr): Don't free slots
5089 that have been pushed into a higher level.
5092 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5094 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5096 * basic-block.h (ALLOCA_REG_SET): Remove.
5097 (INITIALIZE_REG_SET): New macro.
5098 * flow.c (update_life_info): Use it.
5099 (calculate_global_regs_live): Likewise.
5100 (propagate_block): Likewise.
5101 * global.c (build_insn_chain): Likewise.
5102 * haifa-sched.c (schedule_region): Likewise.
5104 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
5106 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
5107 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
5108 (DWARF_ARANGES_PAD_SIZE): New define.
5109 (output_aranges): Use it to pad the address range header.
5110 (DWARF_ROUND): Fix for non power of 2 rounding.
5112 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
5114 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
5116 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5118 * tree.def (RTL_EXPR): Update documentation.
5119 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
5120 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
5121 * function.c (preserve_rtl_expr_temp): New function.
5122 (preserve_rtl_expr_temps): Likewise.
5123 (preserve_rtl_expr_result): Use it.
5126 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5128 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
5130 * regmove.c (copy_src_to_dest) Do not create src->dest move
5131 for unchanging destination.
5133 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5135 * function.h (struct sequence_stack): Remove rtl_expr.
5136 (struct emit_staus): Likewise.
5137 (seq_rtl_expr): Remove.
5138 * tree.h (free_temps_for_rtl_expr): Don't declare.
5139 (start_sequence_for_rtl_expr): Likewise.
5140 * rtl.h (preserve_rtl_expr_result): Likewise.
5141 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
5142 (start_sequence_for_rtl_expr): Remove.
5143 (push_topmost_sequence): Don't save sequence_rtl_expr.
5144 (pop_topmost_sequence): Remove comment about not restoring it.
5145 (end_sequence): Don't set seq_rtl_expr.
5146 (init_emit): Don't initialize it.
5147 (mark_sequence_stack): Don't mark it.
5148 (mark_emit_status): Likewise.
5149 * except.c (protect_with_terminate): Use
5150 start_sequence_for_rtl_expr, not start_sequence.
5151 * expr.c (expand_expr, case RTL_EXPR): Don't call
5152 preserve_rtl_expr_result or free_temps_for_rtl_expr.
5153 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
5154 (preserve_rtl_expr_result): Remove.
5155 (free_temps_for_rtl_expr): Likewise.
5156 (pop_temp_slots): Likewise.
5157 (mark_temp_slot): Don't mark the rtl_expr.
5158 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
5159 start_sequence_for_rtl_expr.
5161 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
5163 * mkdeps.c, mkdeps.h: New files.
5164 * po/POTFILES.in: Add them.
5165 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
5166 (cpplib.o, cppinit.o): Depend on mkdeps.h.
5167 (mkdeps.o): New target.
5169 * cppfiles.c: Delete deps_output.
5170 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
5171 OBJECT_SUFFIX, and base_name.
5172 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
5174 (initialize_dependency_output): Use deps_init,
5175 deps_add_target, deps_calc_target, and deps_add_dep. Remove
5176 all the unnecessary string bashing.
5177 (cpp_finish): Use deps_write. Remove an unnecessary nesting
5179 * cpplib.c (do_include): Use deps_add_dep.
5180 * cpplib.h (struct cpp_reader): Replace deps_buffer,
5181 deps_allocated_size, deps_size, deps_column members with
5182 single pointer to a struct deps. Delete prototype of
5185 * cppinit.c: Fix thinko in previous patch.
5187 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5189 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
5190 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
5191 (mode_for_size_tree): New function.
5192 (layout_decl, layout_type): Call it and clean up BLKmode checks.
5193 * tree.h (mode_for_size_tree): New declaration.
5195 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
5197 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
5199 * stmt.c (is_body_block): Move...
5200 * dwarfout.c, dwarf2out.c: ...from here.
5201 * tree.h: Declare it.
5202 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
5203 * final.c (final_start_function): Do call remove_unnecessary_notes
5206 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5208 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
5210 * cpplib.h (_dollar_ok): New macro.
5211 (is_idchar, is_idstart): Use it.
5212 (IStable): Rename to _cpp_IStable. Declare it const if
5213 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
5214 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
5215 is_space): Update for renamed IStable.
5217 * cppinit.c: Delete all references to FAKE_CONST and CAT
5218 macros. Define init_IStable as empty macro if gcc >=2.7 or
5219 C99. Change TABLE() to ISTABLE and hardcode name of table.
5220 (cpp_start_read): Don't change the IStable based on
5223 * cpphash.c (unsafe_chars): Add pfile argument. All callers
5224 changed. Handle '$' for char1 correctly.
5225 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
5227 * cppexp.c (tokentab2): Make const.
5228 (cpp_lex): Make toktab const.
5229 * cppinit.c (include_defaults_array): Make const.
5230 (initialize_standard_includes): Make default_include const.
5232 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5234 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
5235 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
5236 (gen_decl_die): Likewise.
5237 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
5238 (output_decl): Likewise.
5240 * varasm.c (make_function_rtl): If we change the name used in the
5241 rtl, update DECL_ASSEMBLER_NAME accordingly.
5242 (make_decl_rtl): Likewise.
5244 * toplev.c (rest_of_compilation): Tweak formatting.
5246 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
5247 remove_unnecessary_notes.
5248 (debug_ignore_block): New fn.
5249 * toplev.h: Declare it.
5250 * emit-rtl.c (remove_unncessary_notes): Call it.
5251 * dwarf2out.c (dwarf2out_ignore_block): New fn.
5252 * dwarf2out.h: Declare it.
5253 * final.c (final_start_function): Don't call remove_unnecessary_notes
5254 if we did insn scheduling.
5256 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5258 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
5259 * cpplib.h: Delete SET_CPP_PEDANTIC.
5261 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5263 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
5264 result is a RECORD_TYPE.
5266 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
5268 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
5270 2000-03-03 Richard Henderson <rth@cygnus.com>
5272 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
5273 addition over compliments over shifts.
5275 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5277 * reload1.c (reload_combine_note_use): Handle return register USEs.
5278 REG case: Handle multi-hard-register hard regs.
5280 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5282 * md.texi: Document use of '*' in insn pattern name.
5284 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5286 * calls.c (special_function_p): operator new may not be malloc-like.
5288 * gcse.c (dump_hash_table): Really fix error in last change.
5290 2000-03-02 Denis Chertykov <denisc@overta.ru>
5292 * avr.c (print_operand): Use print_operand_address instead of
5294 * avr/libgcc.S: Cleanup code.
5296 2000-03-02 Richard Henderson <rth@cygnus.com>
5298 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
5300 2000-03-02 Mark Mitchell <mark@codesourcery.com>
5302 * tree.h (TYPE_ALIGN_UNIT): New macro.
5304 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
5306 * i386.c: (constant_call_address_operand): Reject CONST_INT.
5308 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
5310 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
5312 (SET_CPP_PEDANTIC): New macro.
5313 * cpplib.c (do_include): Don't bother checking system_header_p.
5314 (do_warning, do_ident, do_assert, do_unassert): Likewise.
5315 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
5317 * function.h (struct expr_status): Add x_arg_space_so_far.
5318 (arg_space_so_far): New macro.
5319 * expr.c (init_expr): Initialize it.
5320 * calls.c (emit_call_1): Reset it.
5321 (compute_argument_block_size, expand_call): Use it.
5322 (expand_call, store_one_arg): Increment it.
5324 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5326 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
5329 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
5331 * cppfiles.c (cpp_read_file): New function.
5333 * cpphash.c (collect_expansion): Make sure to reset last_token
5334 to NORM when we hit a string. Handle trailing whitespace
5335 properly when the expansion is empty.
5336 (create_definition): Disable line commands while parsing the
5338 (dump_definition): If pfile->lineno == 0, output a line
5339 command ahead of the dump, and add a trailing newline.
5341 * cppinit.c (append_include_chain): Add fifth argument, which
5342 indicates whether or not system headers are C++ aware.
5343 (initialize_standard_includes): New function,
5344 broken out of read_and_prescan. Pass 'cxx_aware' value from
5345 the include_defaults_array on to append_include_chain.
5346 (dump_special_to_buffer): Const-ify char array.
5347 (builtin_array): Don't dump __BASE_FILE__.
5348 (cpp_start_read): Use cpp_read_file. Reorder code for
5349 clarity. Don't output line commands here for -D/-A/-U
5350 switches. Don't call deps_output for files included with
5351 -include or -imacros.
5353 * cpplib.c (do_define): Don't pay any attention to the second
5355 (cpp_expand_to_buffer): Disable line commands while scanning.
5356 (output_line_command): Work in the file buffer.
5357 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
5358 Fix formatting of comments. Prototype cpp_read_file.
5360 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5362 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
5363 reference the language-equivalent of sizetype.
5364 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
5365 * fold-const.c (size_binop, size_diffop): Put back checks.
5366 * gcse.c (dump_hash_table): Fix minor error in last change.
5367 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
5368 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
5371 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
5373 * calls.c (expand_call) Do not attempt to combine stack adjustments
5374 with inhibit_defer_pop set.
5376 2000-03-01 Mark Mitchell <mark@codesourcery.com>
5378 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
5379 the DECL_SIZE for a FIELD_DECL.
5381 2000-03-01 Bruce Korb <bkorb@gnu.org>
5383 * fixinc/inclhack.tpl: remove unused symlinks
5384 * fixinc/README: GCC Maintainer info
5385 * fixinc/inclhack.sh: regen
5386 * fixinc/fixincl.sh: regen
5388 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
5390 * cpphash.c (collect_expansion): Trim trailing white space
5391 from macro definitions, but don't go past the last insertion
5394 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
5396 * i386.md (mulqi3): New pattern.
5398 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
5400 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
5402 (struct cpp_reader): Add parsing_if_directive and
5403 parsing_define_directive flags.
5404 (struct cpp_options): Remove output_conditionals flag.
5405 (check_macro_name): Delete prototype.
5407 * cpphash.h (struct macrodef): Delete.
5408 (struct reflist): Separate from struct definition.
5409 (struct definition): Remove unused fields. Add column number.
5410 (create_definition): Returns a DEFINITION *. Takes a
5411 cpp_reader * and an int.
5413 * cpphash.c (SKIP_WHITE_SPACE): Delete.
5414 (PEEKC): Copy defn from cpplib.c.
5415 (rest_extension, REST_EXTENSION_LENGTH): Delete.
5417 (struct arglist): Simplify.
5418 (collect_expansion): Rewrite. Get tokens by calling
5419 cpp_get_token. Add more error checking.
5420 (collect_formal_parameters): New function, broken out of
5421 create_definition and reworked to use get_directive_token.
5422 (create_definition): All real work is now in collect_expansion
5423 and collect_formal_parameters. do_define handles finding the
5424 macro name. Return a DEFINITION, not a MACRODEF.
5425 (macroexpand): Replace bcopy with memcpy throughout. Replace
5426 character-at-a-time copy loop with memcpy and pointer increments.
5427 (compare-defs): d1->argnames / d2->argnames might be null.
5429 * cpplib.c (copy_rest_of_line): Delete function.
5430 (skip_rest_of_line): Do all the work ourselves.
5431 (skip_string): New function.
5432 (parse_string): Use skip_string.
5433 (get_macro_name): New function.
5434 (check_macro_name): Delete.
5435 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
5436 (cpp_skip_hspace): Use CPP_BUMP_LINE.
5437 (handle_directive): ICE if we're called on a macro buffer.
5438 (do_define): Determine macro name and type (funlike/objlike)
5439 here. Expunge all uses of MACRODEF.
5440 (cpp_push_buffer): Set line_base to NULL.
5441 (do_undef, read_line_number): Don't worry about getting a POP token.
5442 (eval_if_expression): Set/reset parsing_if_directive around
5443 cpp_parse_expr. Don't clear only_seen_white.
5444 (skip_if_group): Remove output_conditionals logic. Use
5446 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
5447 tokens under appropriate conditions.
5448 (cpp_unassert): Call do_unassert not do_assert. Oops.
5450 * cppexp.c (parse_defined): New function, break out of
5452 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
5453 ourselves, with cpp_defined.
5454 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
5456 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
5457 * gcc.dg/strpaste-2.c: New.
5459 2000-02-29 Mark Mitchell <mark@codesourcery.com>
5461 * fold-const.c (size_binop): Don't asert inputs are the same and
5462 have TYPE_IS_SIZETYPE set.
5463 (size_diffop): Likewise.
5465 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
5467 * dwarfout.c (output_block): Output abstract blocks even if they
5468 don't have TREE_ASM_WRITTEN set.
5470 * calls.c (emit_library_call): Check for null REG.
5472 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
5474 * c-decl.c (current_function_decl): Move to toplev.c.
5475 (init_decl_processing): Don't add current_function_decl as a ggc
5477 * dbxout.c (dbxout_symbol): Change return type to int.
5478 (dbxout_symbol_location, dbxout_syms): Likewise.
5479 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
5480 any locals. Use current_function_func_begin_label if set.
5481 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
5482 * dwarf2out.c (dwarf2out_begin_prologue): Set
5483 current_function_func_begin_label.
5484 * final.c (final_start_function): Reset it.
5485 * toplev.c (current_function_decl): Define it here.
5486 (current_function_func_begin_label): New variable.
5487 (main): Add both as ggc roots.
5488 * tree.h (current_function_func_begin_label): Declare.
5490 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5492 * gcse.c: Cleanups throughout: mostly white-space, but also
5493 some minor rearrangement of code.
5495 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
5497 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
5498 returns a PARALLEL. Use emit_group_load and use_group_regs
5500 (emit_library_call_value): Similarly.
5502 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
5503 * pa/quadlib.asm: Remove.
5504 * pa/quadlib.c: New file.
5506 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
5507 * configure: Rebuilt.
5509 2000-02-29 Philip Blundell <pb@futuretv.com>
5511 * config/arm/conix-elf.h: New file.
5512 * configure.in (arm*-*-conix*): New configuration.
5513 * configure: Regenerate.
5515 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
5517 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
5518 don't have TREE_ASM_WRITTEN set.
5520 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5522 * Eliminate DECL_FIELD_SIZE.
5523 * builtins.c (built_in_class_names, built_in_names): New variables.
5524 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
5525 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
5526 DECL_SIZE, not DECL_FIELD_SIZE.
5527 * print-tree.c (print_node): Remove code that prints extra blank
5528 lines in some cases.
5529 Properly handle inline and builtin function cases.
5530 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
5531 * tree.h (built_in_class_named, built_in_names): New declarations.
5532 (union tree_decl): Rename internal unions to u1 and u2 and change
5533 some of their components.
5534 Add new field built_in_class.
5535 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
5536 Reflect above changes.
5537 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
5538 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
5539 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
5540 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
5542 2000-02-28 Dmitri Makarov <dim@windriver.com>
5544 * extend.texi: Document ARM's support for long/short calls.
5546 * invoke.texi: Document ARM's -mlong-calls command line switch.
5548 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
5549 (arm_encode_call_attribute): Add prototype.
5550 (arm_set_default_type_attribute): Add prototype.
5551 (arm_strip_name_encoding): Add prototype.
5553 * config/arm/arm.c (arm_init_cumulative_args): replace
5554 initialisation og 'long_calls' field with initialisation of
5555 'call_cookie' field.
5556 (enum arm_pragma_enum): New enum.
5557 (arm_pragma_long_calls): New static variable.
5558 (arm_process_pragma): Also process "#pragma long_calls_off".
5559 (arm_valid_type_attribute_p): Accept short_call attribute.
5560 (arm_comp_type_attributes): Check long/short call attributes.
5561 (arm_encode_call_attribute): New function: Encode long_call
5562 or short_call attribute in function name.
5563 (arm_set_default_type_attributes): New function: Assign
5564 default attributes to newly defined type.
5565 (current_file_function_operand): New function: Return true if
5566 the symbol is a function which has already been compiled.
5567 (arm_is_longcall_p): New function: Return true if the
5568 indicated function should be called via a long call.
5569 (arm_get_strip_length): New function. Returns number of
5570 prefix characters to be stripped from a function's name.
5571 (arm_strip_name_encoding): New function. Strip prefix characters
5572 from a function's name.
5574 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
5576 (SHORT_CALL_FAG_CHAR): Define.
5577 (LONG_CALL_FAG_CHAR): Define.
5578 (ENCODED_SHORT_CALL_ATTR_P): Define.
5579 (ENCODED_LONG_CALL_ATTR_P): Define.
5580 (ARM_NAME_ENCODING_LENGTHS): Define.
5581 (STRIP_NAME_ENCODING): Define.
5582 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
5583 (ARM_ENCODE_CALL_TYPE): Define.
5584 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
5585 (ARM_DECLARE_FUNCTION_SIZE): Define.
5586 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
5588 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
5589 if a long call is needed.
5590 (call_value): Ditto.
5591 (call_symbol): Ditto.
5593 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
5594 ARM_DECLARE_FUNCTION_SIZE.
5596 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
5597 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
5598 (ARM_STRIP_NAME_ENCODING): Undefine.
5599 (STRIP_NAME_ENCODING): Undefine.
5600 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
5601 (ASM_DECLARE_FUNCTION_NAME): Ditto.
5602 (ASM_OUTPUT_COMMON): Ditto.
5603 (ASM_DECLARE_OBJECT_NAME): Ditto.
5605 * config/arm/pe.c (arm_dllexport_name_p): Check for
5607 (arm_dllimport_name_p): Ditto.
5608 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
5609 (arm_mark_dllimport): Ditto.
5611 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5613 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
5615 2000-02-28 Mark Mitchell <mark@codesourcery.com>
5617 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
5619 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
5621 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
5622 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
5623 NO_BUILTIN_WCHAR_TYPE is not defined.
5624 (CPP_WCHAR_TYPE): Delete.
5625 * cccp.c (main): Don't change wchar_type if cplusplus.
5626 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
5628 2000-02-28 Nick Clifton <nickc@cygnus.com>
5630 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
5632 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
5634 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
5635 (ASM_WEAKEN_LABEL): Define.
5637 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
5639 * expr.c (store_constructor): Do not emit USE.
5640 * rtl.h (stupid_life_analysis): Remove.
5642 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5644 * function.c (number_blocks): Reset next_block_index based on
5645 what debugging format is used, not what is defined.
5647 * lcm.c: Minor reformatting throughout.
5648 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
5650 * toplev.c (rest_of_compilation): Account for time in
5651 optimize_mode_switching.
5653 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
5654 if only marking labels.
5656 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
5658 * calls.c (expand_call): Attempt to combine stack adjustments with
5659 pending stack adjustments.
5661 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5663 * loop.c (reg_in_basic_block_p): Don't abort when falling through
5664 to the end of the function.
5666 2000-02-27 Mark Mitchell <mark@codesourcery.com>
5668 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
5670 * final.c (next_block_index): Remove.
5671 (max_block_depth): Likewise.
5672 (pending_blocks): Likewise.
5673 (init_final): Don't initialize them.
5674 (final_start_function): Don't set next_block_index. Set up
5676 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
5677 * function.h (number_blocks): New function.
5678 * function.c (get_block_vector): New function.
5679 (identify_blocks): Use it.
5680 (reorder_blocks): Set NOTE_BLOCK.
5681 (number_blocks): New function.
5682 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
5683 * tree.h (BLOCK_NUMBER): New macro.
5684 (tree_block): Add block_num field.
5685 * dbxout.c (next_block_number): Remove.
5686 (dbxout_init): Don't set it.
5687 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
5688 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
5690 * toplev.c (rest_of_compilation): Always call
5691 find_loop_tree_blocks. Fix indentation.
5692 * dwarf2out.c (next_block_number): Remove.
5693 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5694 to determine block numbers.
5695 (gen_inlined_subroutine_die): Likewise.
5696 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
5697 (decls_for_scope): Don't increment next_block_number.
5698 * dwarfout.c (next_block_number): Remove.
5699 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5700 to determine block numbers.
5701 (output_inlined_subroutine_die): Likewise.
5702 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
5703 (output_decls_for_scope): Don't increment next_block_number.
5704 * sdbout.c (next_block_number): Remove.
5705 (sdbout_block): Use BLOCK_NUMBER.
5706 (sdbout_begin_block): Simplify.
5707 * xcoffout.c (next_block_number): Remove.
5708 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
5709 (xcoffout_begin_block): Don't set next_block_number.
5710 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
5713 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5715 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
5716 (expand_builtin_strcpy): Pass correct type to size_binop.
5717 (expand_builtin_strcmp): Likewise.
5718 Clean up conditional structure.
5719 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
5720 (complete_array_type): Don't use size_binop for MAXINDEX.
5721 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
5722 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
5723 (c_alignof): Use size_one_node.
5724 (build_unary_op): Pass arg of proper type to size_binop.
5725 (really_start_incremental_init, push_init_level): Use sizetype for
5726 constructor{,_bit,_unfilled}_index.
5727 (pop_init_label, output_init_element): Likewise.
5728 (output_pending_init_elements, process_init_element): Likewise.
5729 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
5730 * expr.c (store_expr): Use size_int.
5731 (store_constructor): Use proper types for size_binop args.
5732 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
5733 (expand_expr_unaligned): Likewise.
5734 (string_contant): Return object of sizetype.
5735 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
5736 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
5737 (ARGS_SIZE_TREE): Pass proper types to size_binop.
5738 * fold-const.c (int_const_binop): Refine when size_int is called.
5739 (fold_convert): Likewise.
5740 (size_int_wide): Rework to take KIND as arg, only take low order
5741 bits, handle new sizetype_tab datatype, and chain entries in
5743 (size_int_type_wide): New function.
5744 (size_binop): Validate types of arguments.
5745 (ssize_binop): Deleted.
5746 (size_diffop): New function.
5747 (extract_muldiv): Only fold division into multiplication for sizetypes.
5748 * function.c (assign_parms): Use size_diffop and make sure
5749 VAR field is of ssizetype; also pass proper type to size_binop.
5750 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
5751 (round_down): Deleted from here.
5752 * store-layout.c (sizetype_tab): Now an array.
5753 (sizetype_set, early_root_list): New variables.
5754 (variable_size): Use size_one_node.
5755 (round_up): Pass proper type to size_binop.
5756 (round_down): Moved to here and corrected as above.
5757 (layout_record): Pass proper arg types to size_binop.
5758 (layout_type): Likewise.
5759 If sizetype_set is zero, record the type just laid out.
5760 (make_unsigned_type): Don't call set_sizetype;
5761 (make_signed_type): Likewise; also, call fixup_signed_type.
5762 (initialize_sizetypes): New function.
5763 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
5764 set name of bitsizetype to "bit_size_type".
5765 Fix up type of sizes of all types made before call.
5766 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
5767 * tree.c (fix_sizetype): Deleted.
5768 (build_common_tree_nodes): Call initialize_sizetypes.
5769 (build_common_tree_nodes_2): Don't call fix_sizetype.
5770 * tree.h (TYPE_IS_SIZETYPE): New macro.
5771 (initialize_sizetype): New declaration.
5772 (enum size_type_kind): New type.
5773 (struct sizetype_tab): Deleted.
5774 (sizetype_tab): Now array; adjust sizetype macros.
5775 (size_diffop, size_int_type_wide): New functions.
5776 (size_int_wide): Change number of args and type; access macros changed.
5777 (ssize_int, sbitsize_int): New macros.
5778 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
5779 (ROUND_TYPE_SIZE_UNIT): New macro.
5781 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
5783 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
5785 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5787 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
5788 Mark as possibly unused.
5790 * cse.c (cse_insn): Delete dead code involving tablejump.
5791 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
5793 * Makefile.in (libcpp.a): Start by deleting it.
5795 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5797 * cpplib.h (enum file_change_code): Added rename_file.
5798 * cpplib.c (do_line): If a filename is given, set file_change to
5800 (output_line_command): If file_change is rename_file, always
5801 output a # directive with the file name.
5803 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
5805 2000-02-26 Mark Mitchell <mark@codesourcery.com>
5807 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
5808 when copying a PARM_DECL or RESULT_DECL.
5810 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5812 * fix-header.c (recognized_function): Also fix prototypes for
5813 functions taking "void".
5815 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5817 * reload1.c (do_output_reload): Check reg_reloaded_valid before
5818 looking at reg_reloaded_contents.
5820 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
5822 * Makefile.in (STMP_FIXINC): New toggle.
5823 (LIBGCC2_DEPS): Delete all references.
5824 (stmp-headers): Delete target. All references either deleted
5825 or changed to stmp-int-headers.
5826 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
5827 (LIBCPP_OBJS): Take out cppalloc.o.
5828 (cppalloc.o): Delete target.
5829 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
5830 (gen-protos, fix-header): Link with libiberty.a.
5831 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
5834 * configure.in: Remove refs to strerror.
5835 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
5836 * system.h: Take out strerror stanza.
5838 * cpperror.c (my_strerror): Delete function.
5839 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
5840 * cppmain.c (main): Call xmalloc_set_program_name first thing.
5841 * cppalloc.c: Delete file.
5842 * gen-protos.c: Don't provide xrealloc.
5844 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
5845 xstrerror throughout.
5847 2000-02-26 Bruce Korb <bkorb@gnu.org>
5849 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
5850 match for DOS headers, too.
5851 * fixinc/inclhack.sh,fixincl.x: Regenerate.
5853 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5855 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
5856 is right for most ELF targets.
5857 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
5858 Let the default file use %U properly.
5859 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
5862 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
5865 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5867 * toplev.c (documented_lang_options): Correct spelling error.
5868 (decode_d_option, decode_f_option, main): Likewise.
5870 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
5872 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
5873 to tell assembler it is permitted to expand large constants.
5875 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
5877 * protoize.c: (AUX_INFO_SUFFIX): New macro.
5878 (aux_info_suffix): Use.
5879 (SAVE_SUFFIX): New macro.
5881 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
5882 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
5883 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
5885 * invoke.texi (Running Protoize): Update documentation.
5887 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
5889 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
5891 2000-02-25 John Wehle (john@feith.com)
5893 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
5895 2000-02-25 Anthony Green <green@cygnus.com>
5897 * toplev.c (rest_of_compilation): Rebuild jump labels if
5898 combine_instructions has created a new direct jump.
5899 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
5901 (combine_instructions): Call try_combine with new argument.
5902 Return non-null value when new direct jump instruction is created.
5903 * rtl.h: combine_instructions returns an int.
5905 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
5907 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
5908 jump when changing a computed jump into a jump to a known
5911 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
5913 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
5914 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
5916 * i386.md (define_expand "clrstrsi"): Fix typo.
5918 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
5920 * rtl.texi: Fix typo.
5922 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5924 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
5925 UNITS_PER_WORD. Change caller initial_elimination_offset.
5926 (rounded_frame_size): Take into account that argument pushed has
5927 changed. Fix TARGET_ALIGN_DOUBLE problem.
5929 2000-02-25 Geoff Keating <geoffk@cygnus.com>
5931 * haifa-sched.c (schedule_block): Explain the real reason
5932 we delete REG_SAVE_NOTEs on the first insn of a block.
5933 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
5935 2000-02-24 Mark Mitchell <mark@codesourcery.com>
5937 * input.h (push_srcloc): New function.
5938 (pop_srcloc): Likewise.
5939 * toplev.c (push_srcloc): Define it.
5940 (pop_srcloc): Likewise.
5942 2000-02-24 Richard Henderson <rth@cygnus.com>
5944 * flow.c (life_analysis): When collecting reg info, clear
5947 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5949 Fix bug exposed by reload.c no longer rounding the frame
5950 size to BIGGEST_ALIGNMENT:
5951 * sh.c (rounded_frame_size): New function.
5952 (sh_expand_prologue, sh_expand_epilogue): Use it.
5953 (initial_elimination_offset): Likewise.
5955 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5957 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
5958 * sh-protos.h (sh_need_epilogue): Declare.
5959 * sh.c (sh_need_epilogue_known): New static variable.
5960 (sh_need_epilogue): New function.
5961 (function_epilogue): Clear need_epilogue_known.
5962 * sh.md (return): Split into expander / insn pattern.
5963 Make the expander conditional on ! sh_need_epilogue ().
5965 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
5967 * machmode.h (get_mode_alignment): Declare.
5968 (GET_MODE_ALIGNMENT): Call it.
5969 * stor-layout.c (get_mode_alignment): New function. Make
5970 sure alignment is always power of 2.
5972 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5974 * i386.h: Remove useless definition of "I386" and misleading
5977 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5979 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
5980 under which TREE_PERMANENT will be set.
5981 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
5982 build1): Use TREE_SET_PERMANENT.
5983 * print-tree.c (print_node): Don't report value of
5984 TREE_PERMANENT if ggc_p is true.
5986 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
5987 decide whether to give a type a new alias set.
5988 * objc/objc-act.c (build_objc_string_object): Never copy the string.
5989 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
5990 of value of 'obstack'.
5993 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5995 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
5997 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5999 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
6000 * cpplib.c (cpp_get_token): Produce them.
6001 * cppexp.c (cpp_lex): Handle them.
6003 2000-02-23 Nick Clifton <nickc@cygnus.com>
6005 * config/arm/arm.c (arm_comp_type_attributes): Simply and
6006 comment tests on type attributes.
6008 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6010 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
6011 conform to documentation.
6012 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
6013 to check for special cases.
6014 * sh-protos.h (sh_loop_align): Declare.
6015 * sh.c (sh_loop_align): Define.
6017 2000-02-22 Andrew Haley <aph@cygnus.com>
6019 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
6020 (SIZE_TYPE): Is 32 bits when using -mgp32.
6021 (PTRDIFF_TYPE): Ditto.
6023 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6025 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
6027 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6029 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
6030 BIGGEST_FIELD_ALIGNMENT a constant.
6032 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
6034 * dwarf2out.c (output_line_info): Put the marker for the end of
6035 the line number info at the actual end.
6036 (gen_struct_or_union_type_die): Use decl_function_context
6037 to check for local classes.
6038 * dwarfout.c (output_type): Likewise.
6040 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
6042 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
6043 for arguments with a mode, but no type.
6044 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
6045 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
6046 * pa/long_double.h: New file.
6047 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
6048 both have 128bit wide long doubles.
6049 * configure: Rebuilt.
6051 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6053 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
6055 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
6056 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
6057 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
6059 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
6061 * integrate.c (compare_blocks, find_block): Likewise.
6063 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
6065 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
6067 * stmt.c (stmt_status, set_file_and_line_for_stmt,
6068 expand_asm_operands): Likewise.
6070 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
6072 * predict.c (estimate_probability): Added the pointer heuristic to
6073 the collection of static branch predictors.
6075 2000-02-21 Catherine Moore <clm@cygnus.com>
6077 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
6078 * invoke.texi (-mfix7000): Document.
6080 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
6082 * diagnostic.c (init_output_buffer): Make it possible to output at
6083 least 32 characters if we're given a too long prefix.
6085 2000-02-20 Mark Mitchell <mark@codesourcery.com>
6087 * varasm.c (initializer_constant_valid_p): Call
6088 lang_expand_constant to simplify the constant.
6090 2000-02-20 Bruce Korb <bkorb@gnu.org>
6092 * fixinc/inclhack.def(stdio_va_list):
6093 typedef needs to be disabled.
6094 * fixinc/inclhack.sh: regen
6095 * fixinc/fixincl.x: regen
6097 2000-02-20 Geoff Keating <geoffk@cygnus.com>
6099 * print-rtl.c (print_rtx): Don't print addresses when
6100 flag_dump_unnumbered.
6102 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6104 * sparc.c (sparc_output_scratch_registers): Mark parameter with
6106 (sparc_va_arg, sparc_flat_output_function_prologue,
6107 sparc_flat_output_function_epilogue): Cast value to unsigned in
6109 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
6111 * sparc.md: Add default case in switch.
6113 2000-02-19 Richard Henderson <rth@cygnus.com>
6115 * c-typeck.c (add_pending_init): Don't abort for multiple
6116 fields at the same offset.
6117 (pending_init_member): Test the correct member.
6119 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6121 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
6123 (start_catch_handler) : Same.
6125 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
6127 * Makefile.in: Have flow.o depend on $(EXPR_H)
6129 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6131 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
6132 * c-decl.c (duplicate_decls, finish_enum): Likewise.
6133 (finish_decl): Remove -Wlarger-than code from here.
6134 * flags.h (id_clash_len): Now int.
6135 (larger_than_size): Now HOST_WIDE_INT.
6136 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
6137 Clean up checking to see if in table.
6138 (make_bit_field_ref): Remove extra parm to bitsize_int.
6139 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
6140 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
6141 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
6142 and for computing size of decl.
6143 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
6144 Move -Wlarger-than code to here.
6145 (layout_record): Remove extra arg to bitsize_int.
6146 Set TYPE_BINFO_SIZE_UNIT.
6147 (layout_union): Remove extra arg to bitsize_int.
6148 Use proper type for size of QUAL_UNION.
6149 (layout_type): Remove extra arg to bitsize_int.
6150 * toplev.c (id_clash_len): Now int.
6151 (larger_than_size): Now HOST_WIDE_INT.
6152 (decode_W_option): Clean up id-clash and larger-than- cases.
6153 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
6154 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
6155 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
6156 (struct tree_decl): New field size_unit.
6157 (size_int_wide): No HIGH operand; NUMBER is now signed.
6158 (size_int_2): Deleted.
6159 (size_int, bitsize_int): Don't use it and rework args.
6160 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
6162 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
6164 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
6166 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6168 * invoke.texi (Warning Options): Add an explanation of why
6169 you might want the -Wfloat-equal flag.
6171 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6173 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
6174 * cppinit.c (new_pending_define): Add cast to avoid warning.
6175 * expmed.c (extract_bit_field): Likewise.
6176 * flow.c (enum reorder_skip_type): New type.
6177 (skip_insns_between_blcok): New it.
6178 Rework to avoid warning about possibly undefined variable.
6179 * function.c (assign_parms): Make thisparm_boundary unsigned.
6180 * genrecog.c (write_switch): Cast XWINT result to int.
6181 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
6182 * mips-tfile.c (init_file): Make two versions of FDR intializer:
6183 one for MIPS and one for Alpha.
6184 (get_tag, copy_object): Add casts to avoid warnings.
6185 * optabs.c (init_one_libfunc): Cast NAME to (char *).
6186 * reload.c (find_reloads): Make TYPE enum reload_type.
6187 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
6188 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
6189 * varasm.c (compare_constant_1): Add cast to avoid warning.
6190 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
6192 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
6193 Cast switch operand of size to int.
6194 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
6195 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
6198 2000-02-18 Nick Clifton <nickc@cygnus.com>
6200 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
6201 anything for an alignment of zero.
6203 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
6204 anything for an alignment of zero.
6206 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
6208 * gcc.texi (Bug Reporting): Refer to bugs.html.
6209 (Bug Lists): Likewise.
6210 * system.h (GCCBUGURL): New preprocessor define.
6211 * rtl.c (fancy_abort): Use it.
6212 * gcc.c (main): Likewise.
6214 2000-02-18 Richard Henderson <rth@cygnus.com>
6216 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
6217 (life_analysis_1): Subsume into ...
6218 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
6219 Use update_life_info for the relaxation.
6220 (update_life_info): Update REG_BASIC_BLOCK for registers live on
6221 entry and regs_live_at_setjmp.
6222 (set_noop_p): Simplify.
6223 (notice_stack_pointer_modification_1): Renamed from s/_1//.
6224 (record_volatile_insns): Split into ...
6225 (delete_noop_moves): ... here,
6226 (notice_stack_pointer_modification): ... here,
6227 (insn_dead_p): ... and here.
6228 (propagate_block): Don't query INSN_VOLATILE.
6229 (mark_used_regs): Mind !PROP_REG_INFO.
6230 * toplev.c (rest_of_compilation): Call mark_constant_function here,
6231 not in life_analysis.
6233 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
6235 * loop.c (canonicalize_condition): New function,
6236 broken out of get_condition.
6237 (get_condition): Use it.
6238 * expr.h (canonicalize_condition): Prototype it.
6240 * tree.h (tree_int_cst_msb): Declare.
6241 * tree.c (tree_int_cst_msb): New function.
6243 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6245 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
6248 * invoke.texi (-fmessage-length=n): Document.
6250 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
6252 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
6254 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6256 * function.c (thread_prologue_and_epilogue_insns): Put a line note
6259 2000-02-17 Nick Clifton <nickc@cygnus.com>
6261 * config/arm/thumb.c: Replace includes of system headers with
6262 #include "system.h".
6264 2000-02-16 Richard Henderson <rth@cygnus.com>
6266 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
6267 Add crtbeginS.o and crtendS.o.
6268 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
6269 (ENDFILE_SPEC): Use crtendS.o.
6270 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
6272 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
6273 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
6275 (__dso_handle): New variable.
6276 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
6277 bias to __CTOR_END__.
6279 2000-02-16 Richard Henderson <rth@cygnus.com>
6281 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
6283 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
6285 * longlong.h (__clz_tab): Declare as static to match definition.
6287 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
6288 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
6289 (XREF_FILE_NAME): Define.
6291 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
6292 (EH_FRAME_SECTION_ASM_OP): Define.
6293 (IDENT_ASM_OP): Define.
6294 (TEXT_SECTION_ASM_OP): Define.
6296 (CTORS_SECTION_ASM_OP): Define.
6297 (CTOR_SECTION_FUNCTION): Use it.
6298 (DTORS_SECTION_ASM_OP): Define.
6299 (DTOR_SECTION_FUNCTION): Use it.
6301 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
6303 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
6306 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
6307 debug_bb_n): New functions.
6308 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
6309 * basic-block.h: Prototype new functions.
6311 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
6313 * configure.in: Add support for avr target.
6314 * configure: Rebuilt.
6316 * invoke.texi: Add AVR invocation docs.
6317 * install.texi: Add information about AVR.
6318 * md.texi: Add AVR constraint letters description.
6319 * extend.texi: Add description for AVR specific attributes.
6321 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
6323 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
6325 2000-02-16 Nick Clifton <nickc@cygnus.com>
6327 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
6328 (make_insn_raw): Move RTL check here.
6330 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6332 * version.c: Include gansidecl.h and version.h.
6334 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
6336 * configure.in (gcc_version): When setting, narrow search to
6337 lines containing `version_string'.
6339 * Makefile.in (mainversion): Likewise.
6340 (GCC_H): New variable.
6341 (gcc.h): Delete target.
6342 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
6343 (version.o): Depend on version.h.
6344 (dbxout.o): Don't depend on gcc.h.
6346 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
6347 Michael Meissner <meissner@cygnus.com>
6349 * md.texi (Simple Constraints): Add item about whitespace.
6350 * genoutput.c (strip_whitespace): New.
6351 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
6352 strip_whitespace for constraints.
6353 Test pointer using NULL, not 0.
6355 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6357 * cpplib.c (do_line): Pedwarn for #line > 32767.
6359 * c-lex.c (readescape): Warn about '\x', but do not reject it.
6361 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
6363 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
6364 to default cpp spec.
6365 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
6366 * cpp.texi: Document __GNUC_PATCHLEVEL__.
6369 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
6372 2000-02-15 Denis Chertykov <denisc@overta.ru>
6374 * configure.in: Add support for avr target.
6376 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6378 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
6379 (sh_addr_diff_vec_mode): Don't declare.
6380 * sh.c (sh_addr_diff_vec_mode): Delete.
6382 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6384 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
6386 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6388 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
6389 (smulsi3_highpart_i): Name.
6390 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
6391 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
6392 (smulsi3_highpart, umulsi3_highpart): Likewise.
6394 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
6395 correctly independent of endianness.
6396 (mulsidi3, umulsidi3): Now define_insn. Hide details that
6397 confuse the optimizers.
6398 (mulsidi3+1, umulsidi3+1): New define_split.
6400 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
6402 * config/sh/sh.md: Guard insn splits against illegal registers.
6403 * config/sh/sh.h: Correct comment about macros.
6405 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6406 Andrew MacLeod <amacleod@cygnus.com>
6408 * Makefile.in (lcm.o): Depend on insn-attr.h.
6409 * basic-block.h (optimize_mode_switching): Declare.
6410 * lcm.c (tm_p.h, insn-attr.h): #include.
6411 (seginfo, bb_info): New structs.
6412 (antic, transp, comp, delete, insert) : New file-scope static variables.
6413 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
6414 (reg_becomes_live, optimize_mode_switching): Likewise.
6415 * tm.texi: Add description of mode switching macros.
6416 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
6418 * sh-protos.h (remove_dead_before_cse): Remove prototype.
6419 (fldi_ok, fpscr_set_from_mem): New prototypes.
6420 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
6421 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
6422 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6423 (sh_flag_remove_dead_before_cse): Remove declaration.
6424 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
6425 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
6426 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
6427 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6428 (barrier_align): Allow for JUMP_INSNS containing a parallel.
6429 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
6430 (fldi_ok): New function.
6431 (get_fpscr_rtx): Add fpscr_rtx as GC root.
6432 (emit_sf_insn): Only generate fpu switches when optimize < 1.
6433 (emit_df_insn): Likewise.
6434 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
6435 (sh_flag_remove_dead_before_cse): Delete.
6436 (get_free_reg, fpscr_set_from_mem): New functions.
6437 * sh.md (movdf, movsf): Remove no_new_pseudos code.
6438 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
6440 2000-02-15 Loren Rittle <ljrittle@acm.org>
6442 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
6444 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6446 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
6447 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
6449 * cccp.c: Include version.h and/or don't declare `version_string'.
6450 * collect2.c: Likewise.
6451 * alpha.c: Likewise.
6452 * arm/aof.h: Likewise.
6453 * arm/coff.h: Likewise.
6454 * arm/elf.h: Likewise.
6455 * arm/pe.h: Likewise.
6456 * arm/tcoff.h: Likewise.
6457 * arm/telf.h: Likewise.
6458 * arm/tpe.h: Likewise.
6459 * arm/vxarm.h: Likewise.
6460 * convex/convex.c: Likewise.
6461 * i386/dgux.c: Likewise.
6462 * i386/sun386.h: Likewise.
6463 * m88k/m88k.c: Likewise.
6464 * mcore/mcore-pe.h: Likewise.
6465 * mips/mips.h: Likewise.
6466 * romp/romp.h: Likewise.
6467 * sh/sh.c: Likewise.
6468 * cpphash.c: Likewise.
6469 * cppinit.c: Likewise.
6470 * dwarf2out.c: Likewise.
6471 * dwarfout.c: Likewise.
6474 * mips-tfile.c: Likewise.
6475 * protoize.c: Likewise.
6476 * toplev.c: Likewise.
6479 * version.c (version_string): Constify a char*.
6481 * version.h: New file.
6483 2000-02-14 Nick Clifton <nickc@cygnus.com>
6485 * configure.in: Add mcore-elf and mcore-pe targets.
6486 * configure: Regenerate.
6488 * NEWS: Add note that MCore port has been contributed.
6490 * invoke.texi: Document command line switches for MCore port.
6491 * install.texi: Add MCore to list of supported targets.
6493 2000-02-14 Geoff Keating <geoffk@cygnus.com>
6495 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
6496 then we will need to import the frame handling functions.
6497 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
6498 to import the frames themselves.
6500 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
6501 Jason Eckhardt <jle@cygnus.com>
6503 * basic_block.h: Added prototype for reorder_basic_blocks.
6504 * toplev.c: Changes to add -freorder-blocks and graph dump after
6505 block reordering is done.
6506 * flow.c (reorder_block_def): New structure for use during block
6508 (REORDER_BLOCK_*): New macros to access members of above structure.
6509 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
6510 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
6511 functions for block reordering.
6513 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
6515 * gcc.texi (Passes): Fix typo.
6516 * md.texi (Standard Names): Ditto.
6517 * tm.texi (Storage Layout): Ditto.
6519 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6521 * cpplib.c (do_define): Only free the old definition if it
6524 2000-02-13 Neil Booth <NeilB@earthling.net>
6526 * cppfiles.c (read_and_prescan): When emitting deferred
6527 newlines, test speccase[] again instead of checking each
6528 possible whitespace character in turn. When we encounter \r,
6529 look behind for \n first, then ahead.
6531 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6533 * cse.c (cse_altered): New internal flag.
6534 (cse_insn): Set it if we changed an insn.
6535 (cse_main): Clear cse_altered before each basic block.
6536 Only garbage collect if cse_altered is true afterward.
6538 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6540 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
6542 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
6544 * combine.c (simplify_comparison): Fix typo.
6546 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
6548 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
6551 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6553 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
6554 previously inserted node instead of root node. Caller changed.
6556 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6558 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
6560 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6562 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
6563 __dereg_frame_dtor): Add prototype argument.
6565 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
6567 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
6569 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
6571 * gthr-vxworks.h (__gthread_once): Likewise.
6573 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
6575 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
6577 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
6578 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
6579 stack pointer in functions w/o saved registers, output LEAVE more often
6580 on TARGET_USE_LEAVE machines.
6582 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
6584 * config/arm/arm.c (arm_init_cumulative_args); New function:
6585 Initlaise the CUMULATIE_ARGS strcuture for a function
6587 (arm_function_arg): New function: Determine where to place a
6588 function's argument. Also handles deciding the function's
6590 (current_file_function_operand): New function: Return true if
6591 the symbol is a function which has already been compiled.
6592 (arm_is_long_call_p): New function: Return true if the
6593 indicated function should be called via a long call.
6594 (arm_valid_type_attribute_p): New function: Return true if the
6595 attribute is a valid, arm specific, attribute.
6596 (arm_comp_type_attribute): New function: Return true if the
6597 two types have compatable, arm specific, attributes.
6599 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
6601 (FUNCTION_ARG): Redefine to call arm_function_arg.
6602 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
6604 (INIT_CUMULATIVE_ARGS): Redefine to call
6605 arm_init_cumulative_args.
6606 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
6608 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
6610 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
6612 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
6613 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
6614 (COMP_TYPE_ATTRIBUTES): Define.
6616 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
6617 if a long call is needed.
6618 (call_value): Call arm_is_long_call_p to decide if a long call
6620 (call_symbol): Call arm_is_long_call_p to decide if a long call
6623 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
6625 2000-02-11 Denis Chertykov <denisc@overta.ru>
6627 * README.AVR: New file with information about the avr ports.
6628 * config/avr: New directory with avr port files.
6630 2000-02-11 Andreas Jaeger <aj@suse.de>
6632 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
6634 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
6636 * cpphash.c: Fix formatting, update commentary.
6637 (dump_definition): Take three separate arguments instead of a
6638 MACRODEF structure argument.
6639 * cpphash.h: Update prototype of dump_definition.
6640 * cppinit.c (cpp_finish): Update call of dump_definition.
6642 * cpplib.c (do_define): Always create new hash entry with
6643 T_MACRO type. Remove redundant check for redefinition of
6644 poisoned identifier. Update call of dump_definition.
6645 (do_undef): Don't call check_macro_name. Rename sym_length to
6647 (do_error, do_warning): Don't use copy_rest_of_line or
6649 (do_warning): Don't use pedwarn for the actual warning,
6650 only the notice about its not being in the standard. (Fixes
6651 bug with #warning in system headers.)
6652 (do_ident): Stricter argument checking - accept only a single
6653 string after #ident. Also, macro-expand the line.
6654 (do_xifdef): Use cpp_defined. De-obfuscate.
6656 (do_pragma): Split out specific pragma handling to separate
6657 functions. Use get_directive_token. Update commentary. Do
6658 not pass on #pragma once or #pragma poison to the front end.
6659 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
6660 do_pragma_default): New.
6662 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
6664 * jump.c (jump_optimize_1): The first operand in a relational
6666 * optabs.c (emit_conditional_move): Handle relationals which
6667 have a known true/false result.
6669 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6671 * function.c (thread_prologue_and_epilogue_insns): Don't insert
6672 a RETURN insn into a block which already ends with a jump.
6674 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6676 * haifa-sched.c (BUF_LEN): Increase a lot.
6678 2000-02-11 Nick Clifton <nickc@cygnus.com>
6680 * configure.in: Add tm_p_file specification for thumb targets.
6681 * configure: Regenerate.
6683 * config/arm/thumb-protos.h: New file: Prototypes for exported
6684 functions defined in thumb.c.
6686 2000-02-11 Robert Lipe <robertl@sco.com>
6688 * Makefile.in (bootstrap-lean): Remove additional files.
6689 (bootstrap2-lean): Likewise.
6690 (VOL_FILES): List of files for above.
6692 2000-02-11 Nathan Sidwell <nathan@acm.org>
6694 * cpphash.c (special_symbol): Remove spurious argument to
6697 2000-02-11 Joel Sherrill (joel@OARcorp.com>
6699 * configure.in: (i*86-*-rtems*): Swapped elf and coff
6701 * configure: Rebuilt.
6703 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
6705 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
6707 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
6709 * pa.c, pa.h: Remove trigraph sequences within comments.
6711 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
6713 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
6715 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
6717 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
6719 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6721 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
6723 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6725 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
6726 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
6727 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
6728 (ASM_FILE_END): Use c4x_file_end.
6729 * config/c4x/c4x.c (c4x_global_label): New function.
6730 (c4x_external_ref, c4x_file_end): Likewise.
6732 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
6733 (c4x_external_ref, c4x_end_file): Likewise.
6735 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
6737 * cppexp.c: Don't include cpphash.h.
6738 (parse_charconst, cpp_lex): Use cpp_defined.
6739 (cpp_lex): Use get_directive_token throughout. Remove
6740 unnecessary cases from switch. Move assertion-handling code
6742 (cpp_parse_expr): If we see '+' or '-', check the context to
6743 determine if they are unary or binary operators. Streamline
6744 the jumps a bit. Do not call skip_rest_of_line.
6746 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
6747 static. Export get_directive_token. Update commentary.
6748 (cpp_defined): New function.
6749 (do_define): Remove reference to T_PCSTRING. Call
6750 free_definition to release memory for old definition, when
6752 (eval_if_expression): Set only_seen_white to 0 before calling
6753 cpp_parse_expr. Call skip_rest_of_line after it returns.
6754 (cpp_read_check_assertion): Don't preserve a pointer into the
6755 token buffer across a call to cpp_get_token.
6757 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
6758 * cppfiles.c (redundant_include_p): Use cpp_defined.
6759 * cpphash.c (free_definition): New function.
6760 (delete_macro): Use it. Update commentary.
6761 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
6763 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
6764 from enum node_type. Prototype cpp_defined and get_directive_token.
6765 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
6767 * fix-header.c (check_macro_names): Use cpp_defined.
6768 (read_scan_file): Set inhibit_warnings and inhibit_errors in
6769 the options structure.
6771 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6773 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
6775 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
6777 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
6778 rather than die->die_tag.
6780 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6782 * combine.c (make_extraction, force_to_mode): Avoid warning on
6783 mixed-signedness conditionals.
6784 (make_field_assignment, nonzero_bits): Likewise.
6785 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
6786 (store_split_bit_field, extract_split_bit_field): Likewise.
6787 (extract_fixed_bit_field, store_bit_field,
6788 * expr.c: Change alignment to be unsigned everywhere.
6789 (move_by_pieces, store_constructor_field, store_constructor):
6790 Alignment parm is unsigned.
6791 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6792 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6793 (do_compare_rtx_and_jump): Likewise.
6794 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
6795 Compare align with GET_MODE_ALIGNMENT.
6796 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
6797 (get_inner_reference): Likewise.
6798 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
6799 (expand_assignment): Local vars for alignment now unsigned.
6800 (store_constructor, store_field, expand_expr, do_jump): Likewise.
6801 (do_compare_and_jump): Likewise.
6802 (store_field): Call new function expr_align.
6803 * expr.h (emit_block_move, emit_group_load, emit_group_store):
6804 Alignment arg now unsigned.
6805 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6806 (do_compare_rtx_and_jump, store_bit_field): Likewise.
6807 (extract_bit_field): Likewise.
6808 * fold-const.c (add_double): Add cast to eliminate signedness warning.
6809 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
6810 (get_best_mode): Alignment arg is unsigned.
6811 * rtl.h (move_by_pieces): Likewise.
6812 * store-layout.c (maximum_field_alignment, set_alignment):
6814 (layout_decl): Alignment arg is now unsigned.
6815 Remove unneeded casts.
6816 (layout_record, layout_union, layout_type): Remove unneeded casts.
6817 Local alignment variables now unsigned.
6818 (get_best_mode): Alignment arg now unsigned.
6819 * tree.c (expr_align): New function.
6820 * tree.h (expr_align): Likewise.
6821 (maximum_field_alignment, set_alignment): Now unsigned.
6822 (get_inner_reference): Alignment argument is now pointer to unsigned.
6823 * varasm.c (assemble_variable): Add cast to eliminate warning.
6825 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
6827 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
6828 then store directly into op0.
6830 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
6831 the CALL_INSN, and emit the note immediately after it.
6833 2000-02-10 Nick Clifton <nickc@cygnus.com>
6835 * config/arm/thumb.md (epilogue): Include a (return) in the
6836 generated insn, and emit it using emit_jump_insn not
6839 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
6841 * function.c (assign_temp): Change zero-sized arrays to size 1.
6842 * integrate.c (expand_inline_function): Do not update
6843 stack_alignment_needed
6844 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
6845 add some sanity checking, remove optimization for function with
6848 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6850 * flow.c (mark_regs_live_at_end): Delete unused variables.
6852 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
6854 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
6855 in macro FRAME_GROWS_DOWNWARD.
6857 * stmt.c (expand_end_bindings): Delete unused variable.
6859 * unroll.c (iteration_info): Mark parameter `loop' with
6862 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6864 * fixinc/server.c (load_data): Return NULL if the marker line is
6866 (run_shell): If load_data returns NULL, retry the command once, in
6869 * configure: Rebuilt.
6871 2000-02-09 Bruce Korb <bkorb@gnu.org>
6873 * gcc/fixincludes: ** DELETED **
6874 * gcc/fixcpp: ** DELETED **
6875 * gcc/fixinc-nt.sed: ** DELETED **
6876 * gcc/just-fixinc: ** DELETED **
6877 * gcc/Makefile.in: Removed out-dated commentary
6878 * gcc/configure.in: Removed fast-fixincludes disablement.
6879 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
6881 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6882 * function.c (thread_prologue_and_epilogue_insns): Uncomment
6885 2000-02-09 Richard Henderson <rth@cygnus.com>
6887 * jump.c (delete_insn): Don't delete user labels at -O0.
6889 2000-02-09 Robert Lipe <robertl@sco.com>
6891 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
6892 Don't link with HOST_LIBS.
6894 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6896 * configure.in: Correct --help text for --with-dwarf2.
6897 Put tm-dwarf2.h after other tm files, if it's requested.
6898 * configure: Regenerate.
6899 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
6902 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6904 * cpplib.h: Provide HASHNODE typedef and forward decl of
6905 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
6906 DEFINITION, struct hashnode, struct macrodef, struct
6907 definition, scan_decls prototype, default defn of
6908 INCLUDE_LEN_FUDGE moved elsewhere.
6910 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
6911 definition, and struct hashnode moved here. Remove the unused
6912 'predefined' field from struct definition. Replace the 'args'
6913 union with its sole member. All users updated (cpphash.c).
6914 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
6915 multiple include guard.
6917 * cpphash.c (hashf): Make static; use better algorithm; drop
6918 HASHSIZE parameter; return an unsigned int.
6919 (cpp_lookup): Drop HASH parameter. PFILE parameter is
6920 used. Calculate HASHSIZE modulus here.
6921 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
6923 (create_definition): Drop PREDEFINITION parameter.
6924 * cpplib.c (do_define): Don't calculate a hash value here.
6925 Don't pass (keyword == NULL) to create_definition.
6927 * scan.h: Prototype scan_decls here.
6928 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
6929 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
6930 callers of cpp_lookup and cpp_install updated.
6932 * cpphash.c (macarg): Hoist all the flag diddling out of the
6934 (macroexpand): ... and out of the loop that calls macarg.
6935 Skip over the initial paren before macro arguments with
6936 cpp_get_non_space_token; point may be some distance before
6937 that paren. Abort if it's not there.
6939 * cpplib.c (parse_clear_mark): Delete function.
6940 (parse_set_mark, parse_goto_mark): Make static.
6941 (ACTIVE_MARK_P): New macro.
6942 (skip_block_comment, skip_line_comment): Do not bump the line
6943 if ACTIVE_MARK_P is true.
6944 (cpp_pop_buffer): The buffer to be popped may not have an
6946 (cpp_get_token): When looking for the initial paren before
6947 macro arguments, only set a mark in a file buffer, Always
6948 return to that mark before proceeding to call macroexpand or
6949 return a NAME token.
6951 * cpplib.h: Remove prototypes of parse_set_mark,
6952 parse_clear_mark, parse_goto_mark.
6953 (struct cpp_options): Rename 'put_out_comments' to
6954 'discard_comments' and invert its sense.
6955 * cppinit.c, cpphash.c, cpplib.c: All users of
6956 put_out_comments changed to use discard_comments, with
6959 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6961 * function.c (thread_prologue_and_epilogue_insns): Don't delete
6962 the edge from a block that both jumps and falls through to the
6965 2000-02-09 Scott Bambrough <scottb@netwinder.org>
6967 * config/arm/arm.md (movsi): In PIC mode, make sure that a
6968 constant source address is legitimate.
6970 2000-02-09 Philip Blundell <pb@futuretv.com>
6972 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
6975 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
6977 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
6979 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6981 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
6982 ends with a newline and a NUL. Don't be so clever manipulating
6985 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
6987 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
6988 not to BIGGEST_ALIGNMENT.
6990 2000-02-08 Geoff Keating <geoffk@cygnus.com>
6992 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
6993 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
6994 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
6995 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
6996 * frame.c (execute_cfa_insn): Handle
6997 DW_CFA_GNU_negative_offset_extended.
6999 2000-02-08 Richard Henderson <rth@cygnus.com>
7001 * flow.c (tidy_fallthru_edges): Split out from ...
7002 (delete_unreachable_blocks): ... here.
7003 (find_basic_blocks): Use it.
7005 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7007 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
7009 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
7011 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
7012 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
7013 (fix-header.o): Don't depend on cpphash.h.
7015 * scan.c (hashstr): New function.
7016 * scan.h: Prototype it.
7017 * fix-header.c: Don't include cpphash.h. Use hashstr.
7018 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
7019 hashstr. Report hash table statistics. Add private
7020 definition of xrealloc.
7022 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7024 * i386.h (TARGET_SWITCHES): Fix typo in option name.
7026 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
7028 * function.c (thread_prologue_and_epilogue_insns): Don't replace
7029 jumps with returns unless they are jumps to the fallthru block.
7031 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
7033 * i386.md (addqi3_cc): Fix contraints.
7035 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7037 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
7039 2000-02-07 Mark Mitchell <mark@codesourcery.com>
7041 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
7042 carriage return after a macro name.
7044 2000-02-07 Fred Fish <fnf@be.com>
7046 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
7047 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
7049 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
7051 * cppfiles.c (deps_output): Count spacers in deps_column.
7053 2000-02-07 Neil Booth <NeilB@earthling.net>
7055 * cppinit.c (initialize_dependency_output): If there is no
7056 suffix, don't try to look for known suffixes. Use strrchr.
7057 (cpp_start_read): Remove duplicate initialization.
7059 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
7061 * calls.c (compute_argument_block_size): New argument
7062 preferred_stack_boundary.
7063 (expand_call): update cfun->preferred_stack_boundary, update call of
7064 compute_argument_block_size
7065 (emit_library_call): Increate cfun->preferred_stack_boundary
7066 to PREFERRED_STACK_BOUNDARY
7067 (emit_library_call_value): Likewise.
7068 * explow.c (allocate_dynamic_stack_spave): Likewise.
7069 * function.c (prepare_function_start): Set
7070 cfun->preferred_stack_boundary
7071 * function.h (struct function): Add preferred_stack_boundary field.
7072 * integrate.c (expand_inline_function): Update
7073 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
7074 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
7075 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
7077 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
7079 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
7080 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
7081 cpp_pedwarn, cpp_pedwarn_with_line,
7082 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
7083 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
7084 v_cpp_error_with_line, v_cpp_warning_with_line,
7085 cpp_message_from_errno, cpp_perror_with_name): Delete.
7087 * cpperror.c (cpp_print_containing_files): Take starting
7089 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
7090 (v_cpp_message): Now called directly by all entry points.
7092 (cpp_pfatal_with_name, cpp_message): Delete.
7093 (cpp_notice_from_errno, cpp_ice): New functions.
7094 (cpp_notice): Is now for reporting error conditions, just
7095 without an associated file.
7096 (cpp_error, cpp_error_with_line): Don't do anything if
7097 opts->inhibit_errors is on.
7098 (cpp_pedwarn_with_file_and_line): Take column argument also.
7100 * cpplib.h: Update prototypes of exported functions.
7101 (struct cpp_options): Add inhibit_errors.
7103 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
7104 non-error messages. Include intl.h.
7106 * cppinit.c, cppmain.c: Likewise. Also, use
7107 cpp_notice_from_errno instead of cpp_perror_with_name or
7108 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
7110 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
7111 report internal errors.
7113 * cpplib.c (do_define): Switch bcopy to memcpy.
7114 Give cpp_pedwarn_with_file_and_line a dummy column argument.
7116 * cpplib.c (copy_rest_of_line): Revert previous change: don't
7117 bail out early if we hit a line comment.
7119 2000-02-06 Richard Henderson <rth@cygnus.com>
7121 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
7122 * basic-block.h: Declare them.
7123 * emit-rtl.h (active_insn_p): New.
7124 (next_active_insn, prev_active_insn): Use it.
7125 * rtl.h: Declare it.
7126 * function.c (emit_return_into_block): New.
7127 (thread_prologue_and_epilogue_insns): Insert return insns instead
7128 of epilogues when possible.
7129 * jump.c (jump_optimize_1): Remove code to insert a return insn
7130 on the fallthru to the exit block.
7132 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
7133 and for non-empty stack frames.
7134 * i386.md (return): Expand to return-pop as needed.
7136 2000-02-06 Richard Henderson <rth@cygnus.com>
7138 * simplify-rtx.c (simplify_relational_operation): Canonicalize
7139 constant to op1 for testing.
7141 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7143 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
7144 (fixuns_truncqfqi2): Use it.
7146 2000-02-06 Richard Henderson <rth@cygnus.com>
7148 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
7151 * i386.md (widening and peepholes): Mask the constant instead of
7154 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7156 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
7157 input pointer before possibly branching off to the backslash
7159 * cpphash.c (macroexpand): Correctly delete \r escapes when
7160 stringifying parameters.
7161 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
7162 if we can; bail out early if we hit a line comment.
7163 (handle_directive): Treat '# 123' in an .S file just like
7164 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
7165 Return 1 for '# not_a_directive'.
7166 (get_directive_token): Pop macro buffers here, so that
7167 cpp_get_token can't sneakily move past a newline.
7169 (cpp_get_token): goto randomchar if handle_directive returns 0.
7171 * cppalloc.c: Update copyright.
7172 * cpplib.c: Merge all the static function prototypes into one
7174 * cpplib.h: Remove #if 0 block.
7176 * cpperror.c: Remove #ifdef EMACS block.
7177 * cppmain.c: Likewise.
7178 * cpphash.c: Remove #if 0 blocks.
7179 * cppinit.c: Remove #if 0 blocks, and the -lint option.
7180 * cpplib.c: Remove #if 0 blocks and code referencing
7181 pcp_inside_if or for_lint. Remove duplicate error message.
7182 Fix error messages for #else after #else or #elif. Reformat.
7183 Remove archaic TODO list.
7184 * cpplib.h: Remove pcp_inside_if and for_lint flags.
7186 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7188 * i386/osf1elf.h: Add missing backslash to multiline string.
7190 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7192 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
7194 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7196 * Makefile.in (c-common.o): Depend on $(EXPR_H).
7198 * c-common.c: Include expr.h.
7200 * c-pragma.c (mark_align_stack): Add prototype.
7202 * caller-save.c (add_stored_regs): Likewise.
7204 * combine.c (record_promoted_value): Likewise.
7206 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
7209 * cppinit.c (new_pending_define): Likewise.
7211 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
7213 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
7214 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7215 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
7216 class_scope_p): Likewise.
7218 * dwarf2out.h (dwarf2out_set_demangle_name_func,
7219 dwarf2out_add_library_unit_info): Likewise.
7221 * ggc.h (ggc_page_print_statistics): Likewise.
7223 * haifa-sched.c (propagate_deps): Likewise.
7225 * reg-stack.c (next_flags_user, record_label_references): Likewise.
7227 * rtl.h (set_stack_check_libfunc): Likewise.
7229 * toplev.h (set_fatal_function): Likewise.
7231 * toplev.c (set_fatal_function): Delete prototype.
7233 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
7235 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7237 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
7238 (FUNC_END): Likewise.
7240 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7242 * caller-save.c: Include tm_p.h.
7244 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7246 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
7248 2000-02-04 Neil Booth <NeilB@earthling.net>
7250 * cccp.c (main): Check 'dir' for a NULL pointer before passing
7253 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
7255 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
7256 * genflags.c: Use the max_operand_1 logic from genemit.c to
7257 calculate how many arguments gen_insn prototypes have. Remove
7258 NO_MD_PROTOTYPES ifdefs from the generated file.
7259 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
7260 file. Cast gen_insn initializers to insn_gen_fn.
7261 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
7262 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
7264 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7266 * fixinc/Makefile.in (HDR): Add machname.h.
7269 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7271 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
7272 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
7273 (c4x_cpu_version): Ditto.
7274 * config/c4x/c4x-protos.h: ... here.
7276 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
7278 * dwarf2out.c (add_abstract_origin_attribute): Don't call
7279 gen_abstract_function on our context if we're a nested function.
7281 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7283 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
7284 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
7286 2000-02-04 Bruce Korb <bkorb@gnu.org>
7288 * fixinc/genfixes(machname.h):
7289 Move the functionality from gen-machine.h into this file.
7290 UNdef MN_NAME_PAT if there are no names to change.
7291 Also, be a little kinder when AutoGen is not present.
7293 * fixinc/Makefile.in(machname.h):
7294 Change the generation rule to use genfixes.
7296 * fixinc/fixfixes.c(machine_name):
7297 machine_name_fix's functionality now dependent upon whether
7298 MN_NAME_PAT is defined.
7300 * fixinc/fixtests.c(machine_name):
7303 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
7306 * fixinc/fixlib.h(mn_get_regexps):
7309 * fixinc/gen-machine.h: DELETED
7311 2000-02-04 Jan Hubicka <jh@suse.cz>
7312 Richard Henderson <rth@cygnus.com>
7314 * i386.c (SAVE_REGS_FIRST): Remove.
7315 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
7316 (ix86_compute_frame_size): Likewise.
7317 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
7318 (ix86_emit_restore_regs): Remove.
7319 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
7320 when a frame pointer is in use.
7321 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
7322 instead of pop to restore a register when profitable; emit leave
7324 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
7326 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
7327 * i386.md (prologue_allocate_stack): Remove.
7328 (epilogue_deallocate_stack): Remove.
7329 (pro_epilogue_adjust_stack): New.
7331 2000-02-04 Richard Henderson <rth@cygnus.com>
7333 * function.c (diddle_return_value): Rework to use a callback function.
7334 Use current_function_return_rtx if it's been set up.
7335 (do_clobber_return_reg, clobber_return_register): New.
7336 (do_use_return_reg, use_return_register): New.
7337 (expand_function_end): Use them.
7338 * stmt.c (expand_null_return): Likewise.
7339 * function.h: Declare them.
7340 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
7341 (mark_reg): Change arguments as appropriate for callback.
7342 * integrate.c (expand_inline_function): Revert 19 Jan change.
7344 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
7346 * tm.texi (Values in Registers): Fix typo: "fo" "for".
7347 (Misc): Say the scheduler, not the Haifa scheduler.
7349 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
7351 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
7352 when in_mem is set. Update all callers.
7354 2000-02-04 Richard Henderson <rth@cygnus.com>
7356 * i386/openbsd.h (INT_ASM_OP): Define.
7358 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
7360 * tm.texi: Fix various typos.
7362 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
7364 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
7365 (MD_STARTFILE_PREFIX_1): New macro.
7367 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
7369 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
7370 destination when needed.
7371 (strmovsi, strsetsi): New expander.
7372 (strmovsi_1, strsetsi_1): New pattern.
7373 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
7374 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
7375 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
7376 * invoke.texi (align-stringops, inline-all-stringops): Document.
7378 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
7380 * i386/netbsd.h (INT_ASM_OP): Define.
7382 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
7384 * cpplib.h (cpp_reader): Add new flag, no_directives.
7385 * cpphash.c (macarg): Set it.
7386 * cpplib.c (handle_directive): If no_directives is on and we
7387 find a directive, issue an error and discard the line.
7389 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
7391 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
7392 FP constants. Add ! TARGET_FPU check for FP constants.
7394 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
7396 * flow.c (find_basic_blocks): Don't kill label_value_list
7398 (cleanup_cfg): Kill it here.
7400 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7402 * expr.c (store_field): Ensure ALIGN is no stricter than the
7405 2000-02-02 Richard Henderson <rth@cygnus.com>
7407 * jump.c (delete_insn): Partially revert 19 Jan change;
7408 don't convert unused code labels to notes at -O0.
7410 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7412 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
7413 split_all_insns to recreate REG_LABEL notes for flow2 pass.
7415 2000-02-01 Richard Henderson <rth@cygnus.com>
7417 * i386.c (general_no_elim_operand): New.
7418 (nonmemory_no_elim_operand): New.
7419 (ix86_expand_move): Copy eliminable operands before a push.
7420 * i386-protos.h: Declare new functions.
7421 * i386.h (CAN_ELIMINATE): Simplify.
7422 (PREDICATE_CODES): Update.
7423 * i386.md (push insns): Don't allow eliminable register operands.
7425 2000-02-01 Richard Henderson <rth@cygnus.com>
7427 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
7428 replace BLKmode with DECL_RTL's mode.
7430 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
7432 * frame.c (find_fde): Convert for loop to do-while so compiler
7433 sees it's always executed at least once.
7434 * libgcc2.c (BBINBUFSIZE): Kill.
7435 (__bb_init_prg): Use fgets.
7436 (__bb_exit_trace_func): Don't paste strings.
7437 * unroll.c (unroll_loop): Initialize unroll_type, not
7438 unroll_number, and tweak logic to match.
7440 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
7442 (ix86_flags_dependant): Likewise. Disentangle control flow.
7443 (ix86_sched_reorder): Break guts out to
7444 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
7445 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
7448 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
7449 use string concatenation. Don't save and restore esi.
7451 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
7452 (machname.h): Remove script to separate file. Use two-step
7453 sequence so target is not created if script fails.
7454 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
7455 identifiers are defined.
7456 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
7457 an empty string, machine_name doesn't need to do anything at
7459 (is_cxx_header): Add more cases to regexp.
7460 * fixinc/fixlib.h: Update prototype.
7461 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
7463 * fixinc/fixincl.c: Define NO_BOGOSITY.
7465 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
7466 (hp_sysfile): Add missing comma.
7467 (math_exception): Put the wrapper ifdefs at the beginning and
7468 the end of the file.
7469 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
7471 2000-02-01 Richard Henderson <rth@cygnus.com>
7473 * sparc.c (fp_zero_operand): Turn into a normal predicate.
7474 Use CONST0_RTX. Update all callers.
7475 * sparc.h, sparc-protos.h: Update accordingly.
7476 * sparc.md (fp mov insns): Use fp_zero_operand directly
7479 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7481 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
7484 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7486 * Makefile.in (specs.ready): New target.
7487 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
7489 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7491 * fixinc.irix: Use unique filenames for writing into /tmp,
7492 * fixinc.ptx: Likewise.
7493 * fixinc.sco: Likewise.
7494 * fixinc.svr4: Likewise.
7495 * fixinc.winnt: Likewise.
7497 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7499 * tsystem.h: New file.
7501 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
7502 s-crtS): Depend on tsystem.h.
7504 * crtstuff.c: Include tsystem.h.
7505 * frame.c: Likewise.
7506 * libgcc2.c: Likewise.
7508 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
7510 * builtins.c (expand_builtin_memset): Expand for variable sized
7513 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
7515 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
7518 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
7520 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
7522 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
7524 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
7526 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
7527 case 3->2 combining (combining with splitting) in which 2 is CC0
7528 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
7529 checked at the begining of the function with the aid of calling
7530 function 'can_combine_p'.
7532 2000-01-31 Dave Brolley <brolley@redhat.com>
7534 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
7536 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
7538 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
7541 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7543 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
7545 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
7548 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7550 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
7551 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
7552 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
7553 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
7554 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
7555 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
7556 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
7557 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
7558 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
7559 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
7561 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
7562 Add %(cpp_cpu) to CPP_SPEC.
7564 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
7565 Add %(cc1_cpu) to CC1_SPEC.
7567 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7569 * c-decl.c (c_decode_option): Accept optional numeric argument to
7570 -Wformat and set warn_format.
7571 * c-common.c: Don't emit warning about non-constant printf format
7572 string unless warn_format > 1.
7574 2000-01-30 Richard Henderson <rth@cygnus.com>
7576 * alpha.md (return_internal): Allow after reload only.
7578 2000-01-30 Richard Henderson <rth@cygnus.com>
7580 * i386.c (ix86_compute_frame_size): Omit padding1 if the
7581 local frame size is zero.
7583 2000-01-30 Richard Henderson <rth@cygnus.com>
7585 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
7586 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
7587 * alpha.md (return): Turn into an expander.
7588 (return_internal): Don't use $26.
7589 (epilogue): Emit the return insn.
7591 2000-01-30 Richard Henderson <rth@cygnus.com>
7593 * alpha.md (negtf2, abstf2): Fix word order thinko.
7595 (trunctfsf2): Avoid intermediate rounding errors.
7597 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7599 * cppfiles.c (find_position): Drop 'colp' argument, return the
7601 (read_and_prescan): Adjust to match. Don't ever manipulate
7602 line or line_base except via find_position.
7604 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7606 * c-parse.in: Apply Ulrich's changes from c-parse.y.
7607 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
7610 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7612 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
7613 just print "<command line>". If 'filename' is null or an
7614 empty string, print "<stdin>" for the filename.
7615 * cpplib.c (do_define): Don't print the 'location of the
7616 previous definition' message if we're still parsing the
7618 (cpp_pedwarn_with_file_and_line): Always call
7619 cpp_file_line_for_message.
7621 2000-01-29 Mark Mitchell <mark@codesourcery.com>
7623 * flow.c (mark_regs_live_at_end): Fix typo.
7625 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7627 * c-common.c: Adjust variable names, comments, help strings to c99.
7628 * c-lex.c: Likewise.
7629 * c-parse.y: Likewise.
7630 * c-tree.h: Likewise.
7632 * cpplib.h: Likewise.
7633 * c-decl.c: Likewise. Recognize options with names "*99" as well.
7634 * cppinit.c: Likewise.
7636 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7638 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
7639 * c4x.c: Define the optab rtx values.
7640 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
7641 (c4x_emit_libcall): Use new optab rtx values.
7642 (c4x_emit_libcall3): Likewise.
7643 (c4x_emit_libcall_mulhi): Likewise.
7644 * c4x-protos.h: Add prototypes for optab rtx values and change
7645 prototypes for above c4x_emit_libcall functions.
7647 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7649 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
7651 (c4x_function_prologue): Use regnames intead of float_reg_names when
7653 (c4x_function_epilogue): Likewise.
7654 (c4x_print_operand): Likewise.
7655 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
7656 * c4x.md (set_high): Disable for TARGET_TI.
7658 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7660 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
7661 of framepointer + constant to ADDR_REGS class.
7662 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
7663 * c4x.c (std_or_reg_operand): New function.
7664 * c4x-protos.h (std_or_reg_operand): Prototype it.
7666 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7668 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
7669 object names as libgcc2.c.
7670 * libgcc.S: Use newly defined names.
7672 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
7673 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
7675 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
7676 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
7677 (FLOW_LOOP_LAST_BLOCK): Likewise.
7679 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7681 * basic-block.h (struct loop): New fields 'first' and 'last'.
7682 * flow.c (flow_loops_find): Compute loop->first and loop->last.
7683 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
7684 and loop->last to check for NOTE_INSN_LOOP_END.
7686 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
7688 * predict.c (estimate_probability): Use the new FIRST and LAST fields
7689 of the loop descriptor rather than HEADER and LATCH. Also added
7690 missing break statements as well making some coding style modifications
7691 as suggested by Michael Hayes.
7693 2000-01-28 Richard Henderson <rth@cygnus.com>
7695 * flow.c (find_basic_blocks): Remove do_cleanup argument.
7696 Break out that code ...
7697 (cleanup_cfg): ... here.
7698 (commit_one_edge_insertion): Detect a return instruction being
7699 emitted to an edge. Emit a barrier following; clear fallthru.
7700 (commit_edge_insertions): Verify CFG consistency.
7701 * function.c (expand_function_start): Kill unused variable.
7702 (expand_function_end): Likewise.
7703 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
7704 to insert the epilogue.
7706 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
7707 (delete_null_pointer_checks): Likewise.
7708 * output.h: Likewise.
7709 * reg-stack.c (reg_to_stack): Likewise.
7710 * toplev.c (rest_of_compilation): Likewise. Run
7711 thread_prologue_and_epilogue_insns after rebuilding the CFG.
7713 2000-01-28 Richard Henderson <rth@cygnus.com>
7715 * Makefile.in (flow.o): Revert 24 Jan change.
7716 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
7717 FUNCTION_VALUE result to DECL_RESULT's mode.
7719 * haifa-sched.c (schedule_insns): Don't recompute reg info
7722 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
7724 * configure.in: Make --enable-cpplib the default.
7725 * configure: Regenerate.
7726 * gcc.dg/990119-1.c: No longer expected to fail.
7728 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
7730 * jump.c (jump_optimize_1): Delete an optimization that is also done
7731 by merge_blocks in flow.
7733 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7735 * diagnostic.c (build_message_string, output_printf,
7736 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
7737 (build_location_prefix): Fix non-literal format string.
7739 2000-01-27 Richard Henderson <rth@cygnus.com>
7741 * alpha.md (trunctfsf2): New.
7743 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
7745 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
7747 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7749 * cppinit.c (cpp_handle_option): Recognize C++ comments under
7751 * cpplib.c (skip_block_comment, skip_line_comment): Split code
7753 (skip_comment) ... here. Permit C++ comments in system
7754 headers always. Warn about C++ comments in user code under
7755 -std=gnu89 -pedantic.
7756 (copy_comment): Use skip_comment.
7757 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
7759 (consider_directive_while_skipping, do_else, do_endif): Call
7760 validate_else unconditionally.
7761 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
7762 text after the conditional in a system header.
7763 * cpplib.h (struct cpp_buffer): Add flag
7764 warned_cplusplus_comments.
7766 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7768 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
7769 Use unshare_all_rtl_1.
7770 (unshare_all_rtl_again): New function.
7771 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
7773 * function.c (purge_addressof_1): Use unshare_all_rtl_again
7774 rather than resetting the 'used' flags ourself.
7776 * toplev.c (rest_of_compilation): Add current_function_decl
7777 to the unshare_all_rtl call.
7778 * tree.h: Prototype unshare_all_rtl.
7779 * rtl.h: Prototype unshare_all_rtl_again here.
7781 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7783 * genoutput.c (output_prologue): Include ggc.h in generated
7785 * Makefile.in (insn-output.o): Depends on ggc.h.
7787 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
7788 Hans-Peter Nilsson <hp@bitrange.com>
7790 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
7791 Remove redundant include of xm-ns32k.h.
7792 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
7793 Remove redundant include of xm-ns32k.h.
7794 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
7795 Remove redundant include of xm-ns32k.h.
7796 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
7798 * ns32k/ns32k.h: Update comment on multiply-add instructions.
7799 (TARGET_SWITCHES): Add documentation strings.
7800 (DWARF_FRAME_REGNUM): Override default definition.
7801 (REG_CLASS_CONTENTS): Add comments.
7802 (SUBSET_P): Format to reduce line length.
7803 (SMALL_REGISTER_CLASSES): Make a run time option.
7804 (GO_IF_NONINDEXED_ADDRESS): Reformat.
7805 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
7806 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
7807 (regclass_map): fix typo in comment.
7808 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
7809 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
7810 (trace, reg_or_mem_operand): Delete, unused function.
7811 (calc_address_cost): Small offsets are cheaper than large ones.
7812 (expand_block_move): Generate more efficient code when bytes is a
7813 known at compile time.
7814 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
7815 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
7816 instead of reg_or_mem_operand.
7818 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
7819 not general_operand. Similarly use "=rm" or stricter, not "=g".
7820 For input operands, use stricter constraints than "g" if not
7821 general_operand. Similarly use stricter predicate than
7822 "general_operand" when stricter constraints than "g" are present,
7823 except for matching constraints.
7824 (movstrsi): Use "memory_operand" for operands 0 and 1.
7825 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
7826 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
7827 not reg_or_mem_operand.
7828 (udivmoddisi4): Ditto.
7829 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
7830 Use nonimmediate_operand for operand 3, not register_operand.
7831 (udivmoddiqi4_internal): Use register_operand for operand 1, not
7834 2000-01-27 Fred Fish <fnf@be.com>
7836 * gthr-posix.h: Fix typo; compatibily -> compatibility.
7837 * gthr-single.h: Likewise.
7838 * gthr-solaris.h: Likewise.
7839 * gthr-vxworks.h: Likewise.
7840 * gthr-win32.h: Likewise.
7843 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7845 * cppinit.c: Add " (cpplib)" to end of string printed by
7848 2000-01-27 Richard Henderson <rth@cygnus.com>
7850 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
7851 testing for a signed comparison.
7852 (alpha_emit_floatuns): New.
7853 * alpha-protos.h: Declare it.
7854 * alpha.md (floatunsdisf2, floatunsdidf2): New.
7855 (extendsfdf2): Tidy.
7857 2000-01-27 Jakub Jelinek <jakub@redhat.com>
7859 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
7860 no -g option specifying debugging format, default to -gstabs+.
7862 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7864 * calls.c (special_function_p): New argument fork_or_exec.
7865 (expand_call): When profile_arc_flag is set and the function
7866 is in the fork_or_exec group, call __bb_fork_func first.
7867 * libgcc2.c, _bb module (__bb_fork_func): New function.
7868 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
7870 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
7871 * tree.h (special_function_p): Update prototype.
7873 2000-01-26 Richard Henderson <rth@cygnus.com>
7875 * alpha.c (alpha_split_tfmode_pair): New.
7876 * alpha-protos.h: Declare it.
7877 * alpha.md (abstf2, negtf2): New.
7878 (movtf insn): Add input G constraint.
7879 (movtf splitter): Use alpha_split_tfmode_pair.
7881 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7883 * i386/cygwin.h: PROTO -> PARAMS.
7885 2000-01-26 Jakub Jelinek <jakub@redhat.com>
7887 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
7888 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
7889 using _Qp_cmp/_Q_cmp and testing the return value.
7890 (print_operand): Call reverse_condition_maybe_unordered if
7891 we are handling CCFPmode or CCFPEmode.
7892 Handle ORDERED, UN* and LTGT comparisons.
7893 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
7894 if not TARGET_HARD_QUAD.
7895 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
7896 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
7897 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
7898 Adjust gen_b* calls so that they reflect return comparison of
7899 sparc_emit_float_lib_cmp.
7901 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7903 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
7904 incoming operands array is large enough for one more operand.
7905 (alpha_emit_xfloating_arith): Likewise.
7907 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7909 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
7910 file with one line and no trailing newline.
7911 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
7912 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
7913 checking if the match is on the line.
7914 * fixinc/gnu-regex.c: Provide regerror not __regerror.
7916 2000-01-25 Richard Henderson <rth@cygnus.com>
7918 * sparc.c (output_cbranch): Fix accidental squashing of the
7919 fp branch pre-delay nop.
7921 2000-01-25 Richard Henderson <rth@cygnus.com>
7923 * tree.def (UNNE_EXPR): Remove.
7924 * c-typeck.c (build_binary_op): Don't handle it.
7925 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
7927 * rtl.def (UNNE): Remove.
7929 * jump.c (reverse_condition): Update accordingly.
7930 (swap_condition): Likewise.
7931 (comparison_dominates_p): Handle unordered comparisons.
7932 (reverse_condition_maybe_unordered): New.
7933 * rtl.h (reverse_condition_maybe_unordered): Declare.
7935 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
7936 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
7937 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
7938 * sparc.md (bltgt): New.
7940 2000-01-25 Nick Clifton <nickc@redhat.com>
7942 * emit-rtl.c (emit_insn): Only check machine class insns for
7943 improper emission of a RETURN.
7945 2000-01-25 Richard Henderson <rth@cygnus.com>
7947 * Makefile.in (flow.o): Depend on $(EXPR_H).
7948 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
7949 duplicate the structure of diddle_return_value for keeping regs live.
7951 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7953 * loop.c (current_loop_info): Delete.
7954 (consec_sets_invariant_p): Add loop argument, update callers.
7955 (get_condition_for_loop): Likewise.
7956 (count_nonfixed_reads, update_giv_derive): Likewise.
7957 (simplify_giv_expr, general_induction_var): Likewise.
7958 (consec_sets_giv, recombine_givs): Likewise.
7959 (move_movables): Delete loop_start and loop_end arguments,
7960 add loop argument, and update callers.
7961 (find_mem_givs, check_final_value): Likewise.
7962 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
7963 (loop_invariant_p): Rename from invariant_p, add loop argument, and
7965 (basic_induction_var): Add loop argument, delete loop_level argument,
7967 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
7968 add loop argument, and update callers.
7969 (find_splittable_regs, find_splittable_givs): Likewise.
7970 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
7971 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
7972 (biv_total_increment): Delete loop_start and loop_end arguments;
7974 (precondition_loop_p): Delete loop_start and loop_info arguments;
7976 * loop.h (get_condition_for_loop): Add loop argument.
7977 (biv_total_increment): Delete loop_start and loop_end arguments.
7978 (precondition_loop_p): Delete loop_start and loop_info arguments;
7980 (final_biv_value): Delete loop_start and loop_end arguments;
7982 (final_giv_value, back_branch_in_range_p): Likewise.
7984 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
7986 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
7988 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
7990 * Makefile.in (c-gperf.h) : Change the "See" pointer to
7991 point to the new "generated_files" doc.
7993 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
7995 * config/fp-bit.c (_unord_f2): Fix typo.
7997 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7999 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
8000 c-typeck.c, objc/objc-act.c: Remove all references to obstack
8001 functions obsoleted by GC, such as push_obstacks_nochange,
8002 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
8003 and code which existed only to decide whether or not to call
8004 them. Remove now-unused NESTED argument from start_function;
8005 all callers changed. Do not change behavior based on ggc_p.
8006 The use of the ixp_obstack in c-iterate.c and the util_obstack
8007 in objc/objc-act.c remain; these are not obsoleted by garbage
8009 * c-tree.h: Update prototype for start_function.
8011 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
8013 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
8015 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
8018 2000-01-25 Richard Henderson <rth@cygnus.com>
8020 * sparc-protos.h (select_cc_mode): Declare.
8021 * sparc.c (select_cc_mode): New. Handle unordered compares.
8022 (output_cbranch): Always reverse via code change. Handle
8023 unordered compares. Factor tests and string updates.
8024 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
8025 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
8026 * sparc.md (bunordered, bordered): New.
8027 (bungt, bunlt, buneq, bunge, bunle): New.
8029 2000-01-25 Richard Henderson <rth@cygnus.com>
8031 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
8032 * ggc-common.c (ggc_add_rtx_varray_root): New.
8033 (ggc_mark_rtx_varray): New.
8034 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
8035 functions down below ggc_mark_foo.
8036 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
8038 2000-01-25 Richard Henderson <rth@cygnus.com>
8040 * alpha.c (secondary_reload_class): Don't allocate a secondary
8041 for integral mode memories into FLOAT_REGS. Rearrange the more
8042 complicated memory expression inward.
8044 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8046 * inclhack.def: Fixes to play nicer with FreeBSD, and
8047 corrections to comments.
8048 (cxx_unready): Add select expression.
8049 (irix_sockaddr): Add bypass expression.
8050 (machine_ansi_h_va_list): New fix.
8051 (stdio_va_list): No need to edit _BSD_VA_LIST_.
8052 Split out addition of "#include <stdarg.h>" to...
8053 (stdio_stdarg_h): ... here.
8054 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
8055 to stdlib.h also. Do not munge _BSD_SIZE_T_.
8056 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
8058 (ultrix_ifdef): Tighten up select expression.
8060 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
8061 re_ct and max_mach to avoid use of shell. Make printed names
8062 match names in inclhack.def. Use static copyright date.
8063 Don't count c_test and test expressions as requiring regex_t
8064 slots. Add some commentary.
8065 * inclhack.tpl: Do not include the 'This script contains N
8066 fixup scripts' line if PROGRAM is defined. Use static
8069 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
8071 * dwarf2out.c: include "varray.h", not dyn-string.h.
8072 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
8073 (addr_const_to_string, addr_to_string): Lose.
8074 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
8075 (struct dw_val_struct): val_addr is now an rtx.
8076 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
8077 (used_rtx_varray): New varray.
8078 (dwarf2out_init): Initialize it.
8080 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
8082 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
8083 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
8084 * Makefile.in (dwarf2out.o): Update dependencies.
8086 2000-01-24 Richard Henderson <rth@cygnus.com>
8088 * i386.c (i386_dwarf_output_addr_const): New.
8089 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
8091 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
8093 * dwarfout.c (output_mem_loc_descriptor): Likewise.
8094 * i386.c (i386_simplify_dwarf_addr): New.
8095 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
8097 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
8099 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
8100 TYPE_STUB_DECL is NULL.
8102 2000-01-24 Richard Henderson <rth@cygnus.com>
8104 * builtins.c (expand_tree_builtin): Move ...
8105 * c-common.c (expand_tree_builtin): ... here.
8107 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8109 * loop.h (LOOP_INFO): New accessor macro.
8110 * basic-block.h (struct loop): Rename field `info' to `aux'.
8111 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
8112 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
8113 * unroll.c (loop_iterations, unroll_loop): Likewise.
8115 2000-01-24 Christopher Faylor <cgf@cygnus.com>
8117 * config/i386/t-cygwin: Accomodate new winsup directory layout
8118 when searching for include files.
8120 2000-01-24 Richard Henderson <rth@cygnus.com>
8122 * rtl.def: Add unordered fp comparisions.
8123 * tree.def: Likewise.
8124 * tree.h: Add ISO C 9x unordered fp comparision builtins.
8126 * builtins.c (expand_tree_builtin): New function.
8127 * c-typeck.c (build_function_call): Use it.
8128 (build_binary_op): Support unordered compares.
8129 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
8131 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
8132 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
8133 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
8134 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
8135 * jump.c (reverse_condition): Don't abort for UNLE etc, but
8137 (swap_condition): Handle unordered compares.
8138 (thread_jumps): Check can_reverse before reversing.
8139 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
8142 * optabs.c (can_compare_p): New argument CODE. Verify branch or
8143 setcc is present before acking for cmp_optab. Update all callers.
8144 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
8145 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
8146 * expr.c (expand_expr): Likewise. Support unordered compares.
8147 (do_jump, do_store_flag): Likewise.
8148 * expr.h (enum libfunc_index): Add unordered compares.
8150 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
8151 (DPBIT_FUNCS): Add _unord_df.
8152 * config/fp-bit.c (_unord_f2): New.
8153 * fp-test.c (main): Try unordered compare builtins.
8155 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
8156 * alpha.c (alpha_comparison_operator): Check mode properly.
8157 (alpha_swapped_comparison_operator): Likewise.
8158 (signed_comparison_operator): Likewise.
8159 (alpha_fp_comparison_operator): New.
8160 (alpha_emit_conditional_branch): Handle unordered compares.
8161 * alpha.h (PREDICATE_CODES): Update.
8162 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
8163 (bunordered, bordered): New.
8165 2000-01-24 Richard Henderson <rth@cygnus.com>
8167 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
8168 * alpha.md (movtf): New expander, insn, and splitter.
8170 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
8172 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8175 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
8177 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
8178 (FIXED_REGISTERS, CALL_USED_REGISTERS,
8179 REG_ALLOC_ORDER): Add frame pointer
8180 (FRAME_POINTER_REGNUM): Set to 20
8181 (HARD_FRAME_POINTER_REGNUM): New macro.
8182 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
8183 to HARD_FRAME_POINTER.
8184 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
8185 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
8186 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
8187 (HI_REGISTER_NAMES): Add "frame".
8188 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
8189 (debug_reg): Handle FRAME_POINTER_REGNUM.
8190 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
8191 GENERAL_REGS and INDEX_REGS.
8192 * i386.c (SAVED_REGS_FIRST): new macro.
8193 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
8194 (ix86_decompose_address, memory_address_length): Likewise.
8195 (regclass_map): Add frame pointer.
8196 (call_insn_operand): Handle frame_pointer_rtx.
8197 (reg_no_sp_operand): Likewise.
8198 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
8199 (print_operand, legitimize_pic_address): Fix formating.
8200 (ix86_compute_frame_size): Make static, update prototype, new
8201 parameters padding1, padding2, use ix86_nsaved_regs, use
8202 stack_alignment_needed.
8203 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
8204 to HARD_FRAME_POINTER_REGNUM conversions.
8205 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
8206 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
8207 (print_reg): Abort on FRAME_POINTER_REGNUM
8209 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
8211 * i386.h (PREDICATE_CODES): Add aligned_operand.
8212 * i386.c (aligned_operand): New function.
8213 (ix86_aligned_p): Kill.
8214 * i386.md (movhi_1): Emit mov for aligned operands.
8215 (promoting peep2s): Use aligned_operand.
8217 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
8219 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
8220 expression to allow underscores in macro names.
8221 (fix_char_macro_defines): Increment scanning pointer.
8223 2000-01-23 Richard Henderson <rth@cygnus.com>
8225 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
8226 * alpha/osf5.h: New file.
8227 * configure.in (alpha-*-osf5): Add it to tm_file.
8229 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
8231 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
8232 (alpha_emit_xfloating_cvt, function_arg): Declare.
8233 * alpha.c (alpha_emit_conditional_branch): Call
8234 alpha_emit_xfloating_compare for TFmode compares.
8235 (alpha_lookup_xfloating_lib_func): New.
8236 (alpha_compute_xfloating_mode_arg): New.
8237 (alpha_emit_xfloating_libcall): New.
8238 (alpha_emit_xfloating_arith): New.
8239 (alpha_emit_xfloating_compare): New.
8240 (alpha_emit_xfloating_cvt): New.
8241 (print_operand): Add default abort case.
8242 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
8243 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
8244 (BIGGEST_ALIGNMENT): Increase to 128 bits.
8245 (RETURN_IN_MEMORY): True for TF/TCmode.
8246 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
8247 (FUNCTION_ARG): Move to function_arg.
8248 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
8249 (ASM_OUTPUT_LONG_DOUBLE): New.
8250 (ASM_OUTPUT_DOUBLE): Always output bits.
8251 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
8252 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
8253 (extenddftf2, trunctfdf2): New.
8255 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8257 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
8258 * config/sparc/sol2.h: ... here.
8260 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8262 * basic-block.h (struct loops): New field `levels'.
8263 * flow.c (flow_loops_level_compute): Traverse all outer loops.
8264 (flow_loop_level_compute): Initialise level to 1.
8265 (flow_loops_find): Set loops->levels.
8266 (flow_loops_dump): Print loops->levels.
8268 2000-01-23 Richard Henderson <rth@cygnus.com>
8270 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
8271 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
8273 2000-01-23 Richard Henderson <rth@cygnus.com>
8275 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
8276 * i386.h (DBX_REGISTER_NUMBER): Use them.
8277 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
8278 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
8279 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
8280 * i386/sequent.h: Kill incorrect comment.
8282 2000-01-23 Mark Mitchell <mark@codesourcery.com>
8284 * ggc-page.c (struct page_entry): Make `context_depth' an
8286 (struct globals): Likewise.
8288 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
8290 * loop.c (check_dbra_loop): When checking a loop for
8291 reversability, check the source of any stores to ensure
8292 they don't depend on an initial value.
8294 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8296 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
8298 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
8300 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
8301 'pz_scan' into scope of entire function. Only affects
8302 compiles with -DDEBUG.
8304 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
8306 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
8307 section naming to that prior to 2000-01-07 patch.
8308 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
8309 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
8310 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
8311 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
8312 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
8314 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
8316 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
8319 2000-01-21 Jim Wilson <wilson@cygnus.com>
8321 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
8322 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
8324 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8326 * cpphash.c (change_newlines): Delete function.
8327 (struct argdata): Delete 'newlines' and 'use_count' fields.
8328 (macroexpand): Remove code referencing those fields.
8330 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8332 * loop.c (loops_info): New variable.
8333 (loop_optimize): Allocate loops->array and free it on exit.
8334 Allocate memory for loops_info and assign to each loop,
8336 (find_and_verify_loops): Do not allocate loops->array.
8338 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8340 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
8342 2000-01-21 Jakub Jelinek <jakub@redhat.com>
8344 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
8345 pseudos if expanded after first flow.
8346 (movdi_pic_label_ref): Likewise.
8348 2000-01-20 Richard Henderson <rth@cygnus.com>
8350 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
8352 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
8354 * Makefile.in (fixinc.sh): Depend on specs.
8355 * fixinc/Makefile.in: Add rule to create machname.h.
8356 (fixlib.o): Depend on machname.h.
8357 * fixinc/fixtests.c (machine_name): New test.
8358 * fixinc/fixfixes.c (machine_name): New fix.
8359 * fixinc/fixlib.c (mn_get_regexps): New helper function for
8360 the machine_name test and fix.
8361 * fixinc/fixlib.h: Prototype it.
8362 * fixinc/inclhack.def (machine_name): Use the C test and fix.
8363 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
8365 * gcc.c (do_spec_1) [case P]: Take care not to create
8366 identifiers with three leading or trailing underscores.
8368 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
8369 (fixincl): Don't specify libraries twice on link line.
8370 (gnu-regex.o): Remove special rule.
8371 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
8372 defined by config.h. Do not define _REGEX_RE_COMP.
8373 (regcomp): Allocate and initialize a fastmap.
8374 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
8376 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
8378 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
8380 2000-01-19 Richard Henderson <rth@cygnus.com>
8382 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
8383 arguments with BB. Update all callers. Tidy line wrapping.
8385 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
8387 * emit-rtl.c (try_split): Return last_insn if we split the
8390 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
8392 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
8393 (ix86_initial_elimination_offset): Declare.
8394 * i386.c (ix86_nsaved_regs): Break out from ...
8395 (ix86_can_use_return_insn_p): ... here.
8396 (ix86_emit_save_regs): Break out from ...
8397 (ix86_expand_prologue): ... here.
8398 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
8400 (ix86_expand_epilogue): ... here.
8401 (ix86_compute_frame_size): Make static, add prototype.
8402 (ix86_initial_elimination_offset): Break out from ...
8403 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
8405 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8407 * recog.h (OUT_FCN): Delete.
8409 * vax.md: Call `get_insn_template' instead of OUT_FCN.
8411 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8413 * cppalloc.c: PROTO -> PARAMS.
8414 * cpperror.c: Likewise.
8415 * cppfiles.c: Likewise.
8416 * cpplib.c: Likewise.
8417 * cpplib.h: Likewise.
8419 * config/arm/arm-protos.h: PROTO -> PARAMS.
8420 * config/arm/arm.c: Likewise.
8421 * config/c4x/c4x.c: Likewise.
8422 * config/fr30/fr30-protos.h: Likewise.
8423 * config/nextstep.c: Likewise.
8424 * config/pa/pa.c: Likewise.
8425 * config/pj/pj.c: Likewise.
8426 * config/rs6000/rs6000.c: Likewise.
8427 * config/v850/v850-protos.h: Likewise.
8428 * config/v850/v850.c: Likewise.
8430 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8432 * i370-protos.h: New file.
8434 * i370.c: Include tm_p.h. Fix compile time warnings.
8436 * i370.h: Move prototypes to i370-protos.h. Fix compile time
8439 * i370.md: Likewise.
8441 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8443 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
8444 (target_isinf, target_isnan, eisnan): Mark parameter with
8446 (eiisinf): Wrap in INFINITY.
8447 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
8448 (ibmtoe): Remove unused variable `rndsav'.
8450 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8452 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
8453 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
8455 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
8457 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
8458 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
8459 (fix_char_macro_defines, fix_char_macro_uses): New functions.
8461 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
8462 Recognize Emacs mode markers also.
8463 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
8464 C++ comments in C++ headers. Call is_cxx_header only if
8467 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
8469 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
8470 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
8471 ... these, which use the new C fixes.
8472 (math_exception): Escape literal '+' in bypass expression.
8474 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
8477 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8479 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
8482 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8484 * loop.c (loop_optimize): Allocate loop_info structure for each loop
8485 prior to calling scan_loop.
8487 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8489 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
8490 (split_branches, calc_live_regs): Likewise.
8492 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8494 * sh.md (fpu_single, fp_mode): New attributes.
8496 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8498 * loop.c (current_loop_info): Renamed from loop_info_data
8499 and changed to a pointer.
8500 (loop_optimize): Allocate loop_info structure for each loop
8501 and initialise to zero.
8502 (scan_loop): Set current_loop_info.
8504 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
8507 2000-01-19 Richard Henderson <rth@cygnus.com>
8509 * stupid.c: Die die die.
8510 * Makefile.in (OBJS): Remove stupid.o.
8511 (stupid.o): Likewise.
8513 * except.c (emit_eh_context): Don't emit USEs for stupid.
8514 * explow.c (probe_stack_range): Likewise.
8515 * flags.h (obey_regdecls): Remove.
8516 * flow.c (find_basic_blocks): Don't run try_merge_blocks
8517 when not optimizing.
8518 (life_analysis): Limit data collection when not optimizing.
8519 (mark_regs_live_at_end): Always mark the return value registers.
8520 (mark_used_regs): Remove dummy RETURN case.
8521 (print_rtl_with_bb): Don't consult obey_regdecls.
8522 * function.c (use_variable, use_variable_after): Remove.
8523 (assign_parms): Consult optimize not obey_regdecls.
8524 (expand_function_start): Don't emit USEs for stupid.
8525 (expand_function_end): Likewise.
8526 * global.c (build_insn_chain): Export.
8527 * integrate.c (expand_inline_function): Kill return-value USE
8529 * jump.c (jump_optimize_1): Do simple jump optimizations and
8530 dead code elimination.
8531 (calculate_can_reach_end): Remove check_deleted argument.
8532 (delete_insn): Patch out insns even when not optimizing.
8533 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
8534 * rtl.h (use_variable, use_variable_after): Remove declarations.
8535 (build_insn_chain): Declare.
8536 * stmt.c (expand_value_return): Don't emit USEs for stupid.
8537 (expand_end_bindings): Likewise.
8538 (expand_decl): Likewise. Consult optimize not obey_regdecls.
8539 * toplev.c (obey_regdecls): Remove.
8540 (rest_of_compilation): Don't set it. Kill stupid in favour of
8541 flow1, local-alloc, and reload.
8542 (main): Don't set obey_regdecls.
8544 * config/nextstep.c (handle_pragma): Likewise.
8546 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
8548 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
8550 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8552 * alpha-protos.h: PROTO -> PARAMS.
8553 * alpha.c: Likewise.
8555 * h8300.c: Likewise.
8556 * i386-protos.h: Likewise.
8558 * m32r-protos.h: Likewise.
8561 * mips.md: Likewise.
8562 * gmon-sol2.c: Likewise.
8563 * sparc.c: Likewise.
8565 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8567 * ns32k-protos.h: New file.
8569 * ns32k.c: Fix compile time warnings.
8571 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
8574 * ns32k.md: Likewise.
8576 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8578 * vax-protos.h: New file.
8580 * vax.c: Fix compile time warnings.
8582 * vax.h: Move prototypes to vax-protos.h. Fix compile time
8587 * vaxv.md: Likewise.
8589 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8591 * romp-protos.h: New file.
8593 * romp.c: Fix compile time warnings.
8595 * romp.h: Move prototypes to romp-protos.h. Fix compile time
8598 * romp.md: Likewise.
8600 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8602 * we32k-protos.h: New file.
8604 * we32k.c: Fix compile time warnings.
8606 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
8609 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8611 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
8613 * except.c (eh_regs): Likewise.
8615 * final.c (output_operand): Likewise.
8617 * fold-const.c (target_isinf, target_isnan): Likewise.
8619 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8621 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
8622 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
8624 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
8626 (clrstrsi): Rewrite.
8627 (strsethi, strsetqi): New expanders.
8628 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
8629 (cmpstrsi): Emit compare insn before cmpstrsi_1
8630 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
8631 (strlensi_1): Likewise.
8632 (cmpstrsi_1): Likewise; do not output compare.
8633 (strlen expander): Do not unroll when optimizing for size.
8634 (*subsi3_carry): Rename to subsi3_carry
8635 (addqi3_cc): New pattern.
8636 * i386.h (processor_costs): Add move_ratio field.
8637 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
8638 * i386.c (*_cost): Set move_ratio.
8639 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
8640 (x86_expand_strlensi_1): Rewrite the main loop.
8642 2000-01-17 Richard Henderson <rth@cygnus.com>
8644 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
8645 * cse.c (find_comparison_args, fold_rtx): Likewise.
8646 * integrate.c (subst_constants): Likewise.
8647 * loop.c (get_condition): Likewise.
8649 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
8651 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
8653 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8655 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
8656 (RESTORE_WARN_FLAGS): Unpack it.
8657 Change semantic type of extension to ttype.
8658 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
8659 * c-parse.y, c-parse.c, objc/objc-parse.y,
8660 objc/objc-parse.c: Regenerate.
8662 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
8664 * fixinc/fixlib.c: Add copyright notice.
8665 (compile_re): New function.
8666 * fixinc/fixlib.h: Prototype compile_re.
8668 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
8669 Use compile_re to compile regular expressions.
8671 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
8672 where the pattern matched.
8674 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
8676 (ultrix_ansi_compat): Likewise.
8677 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
8679 (interactv_add2, interactv_add3): Delete.
8680 (x11_sprintf): Don't use filename glob.
8681 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
8684 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8686 * print-rtl.c: PROTO -> PARAMS.
8688 * reg-stack.c: Likewise.
8689 * resource.c: Likewise.
8690 * sdbout.h: Likewise.
8691 * simplify-rtx.c: Likewise.
8692 * stor-layout.c: Likewise.
8693 * stupid.c: Likewise.
8694 * xcoffout.c: Likewise.
8695 * xcoffout.h: Likewise.
8697 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8699 * toplev.c: PROTO -> PARAMS.
8700 * toplev.h: Likewise.
8703 * unroll.c: Likewise.
8704 * varasm.c: Likewise.
8705 * varray.c: Likewise.
8706 * varray.h: Likewise.
8708 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8710 * reload.c: PROTO -> PARAMS.
8711 * reload.h: Likewise.
8712 * reload1.c: Likewise.
8713 * reorg.c: Likewise.
8714 * resource.h: Likewise.
8717 * rtlanal.c: Likewise.
8718 * sbitmap.h: Likewise.
8719 * sdbout.c: Likewise.
8720 * stack.h: Likewise.
8722 * system.h: Likewise.
8724 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8726 * machmode.h: PROTO -> PARAMS.
8727 * mbchar.h: Likewise.
8728 * mips-tdump.c: Likewise.
8729 * mips-tfile.c: Likewise.
8730 * optabs.c: Likewise.
8731 * output.h: Likewise.
8732 * prefix.c: Likewise.
8733 * profile.c: Likewise.
8734 * protoize.c: Likewise.
8736 * recog.c: Likewise.
8737 * recog.h: Likewise.
8738 * regclass.c: Likewise.
8739 * regmove.c: Likewise.
8742 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8744 * ggc-common.c: PROTO -> PARAMS.
8745 * ggc-page.c: Likewise.
8746 * ggc-simple.c: Likewise.
8748 * global.c: Likewise.
8749 * graph.c: Likewise.
8750 * gthr-win32.h: Likewise.
8751 * haifa-sched.c: Likewise.
8752 * halfpic.h: Likewise.
8753 * integrate.c: Likewise.
8754 * integrate.h: Likewise.
8757 * local-alloc.c: Likewise.
8761 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8763 * genattr.c: PROTO -> PARAMS.
8764 * genattrtab.c: Likewise.
8765 * gencheck.c: Likewise.
8766 * gencodes.c: Likewise.
8767 * genconfig.c: Likewise.
8768 * genemit.c: Likewise.
8769 * genextract.c: Likewise.
8770 * genflags.c: Likewise.
8771 * gengenrtl.c: Likewise.
8772 * genopinit.c: Likewise.
8773 * genoutput.c: Likewise.
8774 * genpeep.c: Likewise.
8775 * genrecog.c: Likewise.
8777 2000-01-16 Mark Mitchell <mark@codesourcery.com>
8779 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
8781 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8783 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
8784 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
8785 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
8786 * configure, config.in: Rebuilt.
8788 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
8790 * config/i386/i386.md: Add peephole to merge successive stack
8793 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
8795 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
8796 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
8797 when walking backwards to find all the parameter loads when
8798 the basic block ends in a call.
8800 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8802 * loop.c (this_loop_info): Delete.
8803 (uid_loop): Add in place of uid_loop_num. All uses updated.
8804 (loop_number_exit_count): Delete and replace with entry in loop
8805 structure. All uses updated.
8806 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8807 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8808 (loop_outer_loop): Likewise.
8809 (loop_invalid, loop_number_exit_labels): Likewise.
8810 (loop_used_count_register): Delete and replace with entry in
8811 loop_info structure.
8812 (find_and_verify_loops): Add loops argument.
8813 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
8814 loop_end, etc. arguments with loop structure pointer. All callers
8816 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
8817 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
8818 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
8819 (insert_bct): Likewise.
8820 (basic_induction_var): New argument level.
8821 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
8822 vtop, and cont. Add used_count_register.
8823 (uid_loop): Delete declaration.
8824 (loop_number_exit_count): Likewise.
8825 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8826 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8827 (loop_outer_loop, loop_used_count_register): Likewise.
8828 (loop_invalid, loop_number_exit_labels): Likewise.
8829 (unroll_loop): Replace loop_start and loop_end arguments
8830 with loop structure pointer.
8831 (loop_precondition_p, loop_iterations): Likewise.
8832 Include basic-block.h.
8833 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
8834 with loop structure pointer.
8835 (loop_precondition_p, loop_iterations): Likewise.
8836 * basic-block.h (struct loop): New entries vtop, cont,
8837 cont_dominator, start, end, top, scan_start, exit_labels,
8839 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
8841 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8843 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
8845 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
8847 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
8849 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8851 * pdp11-protos.h: New file.
8853 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
8856 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
8859 * pdp11.md: Likewise.
8863 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8865 * mn10300-protos.h: New file.
8867 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
8870 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
8873 * mn10300.md: Likewise.
8875 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8877 * mn10200-protos.h: New file.
8879 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
8882 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
8885 * mn10200.md: Likewise.
8887 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8889 * h8300-protos.h: New file.
8891 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
8894 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
8897 * h8300.md: Likewise.
8899 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8901 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
8902 (asm_emit_uninitialised): Likewise.
8904 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
8906 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
8907 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
8909 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8911 * config/mips/mips.c (override_options): Don't turn on extra
8912 alignment for mips16.
8914 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8916 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
8917 eabi, and make sure queued POSTINCREMENT rtl is emitted at
8920 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8922 * builtins.c (PAD_VARARGS_DOWN): Define.
8923 (std_expand_builtin_va_arg): Use the above macro.
8924 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
8925 * tm.texi (Register Arguments): Document the above macro.
8927 2000-01-14 Nick Clifton <nickc@cygnus.com>
8929 * emit-rtl.c (emit_insn): If checking is enabled, make sure
8930 that this function has not been used to emit a jump
8933 * jump.c (return_jump_1): Cope with being passed a null rtx.
8935 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8937 * eh-common.h: PROTO -> PARAMS.
8938 * emit-rtl.c: Likewise.
8939 * errors.c: Likewise.
8940 * errors.h: Likewise.
8941 * except.c: Likewise.
8942 * except.h: Likewise.
8943 * explow.c: Likewise.
8944 * expmed.c: Likewise.
8947 * final.c: Likewise.
8948 * fix-header.c: Likewise.
8950 * fold-const.c: Likewise.
8951 * function.c: Likewise.
8952 * function.h: Likewise.
8954 * gcov-io.h: Likewise.
8958 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8960 * sh-protos.h: New file.
8962 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
8963 Add static prototypes. Fix compile time warnings.
8965 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
8969 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8971 * arc-protos.h: New file.
8973 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
8976 * arc.h: Move prototypes to arc-protos.h. Fix compile time
8981 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8983 * dsp16xx-protos.h: New file.
8985 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
8988 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
8991 * dsp16xx.md: Likewise.
8993 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8995 * convex-protos.h: New file.
8997 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
9000 * convex.h: Move prototypes to convex-protos.h. Fix compile time
9003 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9005 * elxsi-protos.h: New file.
9007 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
9010 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
9013 * elxsi.md: Likewise.
9015 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9017 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
9018 case for moving from HI/LO/HI_LO_REG. This makes the behavior
9019 match the comment for MIPS16.
9021 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
9023 * flow.c (split_edge): Do not call set_block_for_insn if we
9024 do not have a basic_block_for_insn structure.
9026 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
9027 and destination functions are 32bit aligned within the trampoline.
9028 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
9029 (TRAMPOLINE_ALIGNMENT): Define.
9031 * cse.c (cse_insn): When changing (set (pc) (reg)) to
9032 (set (pc) (label_ref)), verify the change creates a valid insn.
9034 * fr30.c (call_operand): Tighten and rework to match rules for
9035 call RTL expressions.
9036 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
9037 * fr30.md (call patterns): Improve constraints.
9039 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
9041 * fr30.c (fr30_expand_epilogue): Revert last change.
9042 Use emit_jump_insn for the return insn.
9044 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
9045 Stan Cox <scox@cygnus.com>
9047 * predict.c: New file. Preliminary infrastructure work for static
9048 branch prediction and basic block reordering.
9049 * basic-block.h: Add prototype for estimate_probability.
9050 * Makefile.in: Add rules for predict.o.
9052 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
9054 * fixincludes (va_list): Use __not_va_list__ for the dummy.
9055 * fixinc/*: Likewise.
9057 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9059 * cccp.c: PROTO -> PARAMS.
9061 * collect2.c: Likewise.
9062 * combine.c: Likewise.
9063 * convert.h: Likewise.
9065 * dbxout.c: Likewise.
9066 * dbxout.h: Likewise.
9067 * diagnostic.c: Likewise.
9068 * doprint.c: Likewise.
9069 * dwarf2out.c: Likewise.
9070 * dwarf2out.h: Likewise.
9071 * dwarfout.c: Likewise.
9072 * dwarfout.h: Likewise.
9073 * dyn-string.h: Likewise.
9075 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9077 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
9078 macro conditionals guarding use.
9080 * dwarf2out.c: Include "tm_p.h".
9082 * function.c (locate_and_pad_parm): Mark parameter with
9084 (expand_function_end): Likewise for variable `context'.
9086 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
9088 2000-01-13 Nick Clifton <nickc@cygnus.com>
9090 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
9091 register to prevent compile time warnings.
9093 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
9095 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
9096 to avoid -Wtraditional warning.
9098 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9100 * 1750a-protos.h: New file.
9102 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
9105 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
9108 * 1750a.md: Likewise.
9110 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9112 * a29k-protos.h: New file.
9114 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
9117 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
9120 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9122 * clipper-protos.h: New file.
9124 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
9127 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
9130 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9132 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
9134 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
9136 * configure.in (--enable-new-gxx-abi): New option.
9137 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
9138 * Makefile.in (GXX_ABI_FLAG): New variable.
9139 * configure: Regenerate.
9141 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9143 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
9144 * tm.texi (FORCE_STRUCT_BLK): Document.
9145 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
9147 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
9149 * config/ns32k/ns32k.md: Revert Jan 9 change.
9151 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
9152 to a mode-test, if the predicate is address_operand.
9154 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
9156 * combine.c (if_then_else_cond): Be careful about what kinds
9157 of RTL expressions are passed to operand_subword.
9159 * flow.c (split_edge): If we have to insert a new jump, make
9160 sure to associate it with a basic block.
9162 * flow.c (commit_one_edge_insertion): A block with one successor
9163 can end in a JUMP_INSN that is not a simplejump.
9165 2000-01-12 Robert Lipe <robertl@sco.com>
9167 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
9168 (BUILD_VA_LIST_TYPE): Define.
9169 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
9172 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
9174 * cccp.c (do_pragma): Add cast to (char *).
9176 2000-01-12 Richard Henderson <rth@cygnus.com>
9177 Fred Fish <fnf@be.com>
9178 Jason Merrill <jason@cygnus.com>
9180 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
9181 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
9182 * i386/beos-elf.h, i386/beos-pe.h: New files.
9184 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
9185 * cross-make (SYSTEM_HEADER_DIR): Define using
9186 CROSS_SYSTEM_HEADER_DIR.
9188 * gcc.c (LIBRARY_PATH_ENV): Provide default.
9189 (process_command): Use it.
9190 (main): Likewise. Kill trailing = from env vars.
9191 (build_search_list): Put it back.
9192 * collect2.c (main): Use LIBRARY_PATH_ENV.
9194 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
9195 * toplev.c: Use NEED_DECLARATION_ENVIRON.
9197 * tm.texi (Frame Layout): Document SMALL_STACK.
9198 * c-common.c (c_common_nodes_and_builtins): Check it.
9200 * system.h: Undef alloca after including glibc's <stdlib.h>,
9201 if USE_C_ALLOCA is defined.
9203 * gcc.c (set_input): New fn.
9204 (main): After all input files are compiled, reset the input file
9207 * aclocal.m4 (rindex, index): If already defined, don't attempt
9210 * ginclude/varargs.h: (__va_list__): Define ifndef.
9211 * ginclude/stdarg.h: Likewise.
9213 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
9214 instead of unsigned char.
9216 * hash.h (true, false, boolean): Undef before enum.
9218 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
9219 proper type of "HOST_WIDE_INT *", rather than their natural type of
9220 "unsigned HOST_WIDE_INT *".
9222 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9224 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
9226 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
9228 * regclass.c (choose_hard_reg_mode): Likewise.
9230 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
9232 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
9234 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9236 * c-common.c: PROTO -> PARAMS.
9237 * c-common.h: Likewise.
9238 * c-decl.c: Likewise.
9239 * c-iterate.c: Likewise.
9240 * c-lang.c: Likewise.
9241 * c-lex.c: Likewise.
9242 * c-lex.h: Likewise.
9243 * c-parse.in: Likewise.
9244 * c-pragma.c: Likewise.
9245 * c-pragma.h: Likewise.
9246 * c-tree.h: Likewise.
9247 * c-typeck.c: Likewise.
9248 * objc/objc-act.c: Likewise.
9249 * objc/objc-act.h: Likewise.
9251 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9253 * m88k-protos.h: New file.
9255 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
9258 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
9260 * m88k.md: Likewise.
9262 * tekXD88.h: Likewise.
9264 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9266 * m68k-protos.h: New file.
9268 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
9271 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
9273 * mot3300.h: Likewise.
9275 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
9277 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
9279 (extract_bitlist): Declare bitlen.
9281 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
9283 * cccp.c: Accept and ignore -lang-fortran.
9285 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
9286 qualifiers don't match at any level of pointerness.
9288 2000-01-12 Robert Lipe <robertl@sco.com>
9290 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
9292 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
9294 * reload1.c (reload_reg_unavailable): New static variable.
9295 (reload_reg_free_p): Test it.
9296 (reload_reg_free_for_value_p): Test it instead of
9298 (choose_reload_regs_init): Compute it.
9300 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
9302 * reorg.c (fill_slots_from_thread): Check modified_in_p
9305 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
9307 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
9308 these nodes even if INTERNALS is not set.
9310 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
9312 * gcse.c (delete_null_pointer_checks_1): Cope when
9313 get_condition cannot determine the condition.
9315 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
9317 * toplev.h (set_message_length): Declare.
9319 * diagnostic.c (obstack_chunk_alloc): Define macro.
9320 (obstack_chunk_free): Likewise.
9321 (struct output_buffer): New data structure.
9323 (output_maximum_width): New variable.
9324 (doing_line_wrapping, set_message_length, init_output_buffer,
9325 get_output_prefix, output_space_left, emit_output_prefix,
9326 output_newline, output_append, output_puts, dump_output,
9327 vbuild_message_string, build_message_string, build_location_prefix,
9328 voutput_notice, output_printf, line_wrapper_printf,
9329 vline_wrapper_message_with_location): New functions. Implement
9330 automatic line wrapping.
9331 (v_message_with_decl): Make it handle automatic line wrapping.
9332 (v_error_with_file_and_line): Likewise.
9333 (v_warning_with_file_and_line): Likewise.
9334 (announce_function): Likewise.
9335 (default_print_error_function): Likewise.
9337 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
9339 * cpplib.h (struct cpp_options): Change lang_asm to char.
9341 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
9342 done in cpp_handle_option now.
9343 (initialize_builtins): Take out special case code used only by
9345 (cpp_handle_option): Turn off trigraphs and trigraph warnings
9346 if -traditional. Recognize -lang-fortran and set
9347 lang_fortran, also turn off cplusplus_comments.
9348 (print_help): Document -lang-fortran.
9349 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
9350 lang_asm. Ignore all directives other than `# 123 "file"' if
9352 (cpp_get_token): If -traditional, don't recognize directives
9353 unless the # is in column 1.
9354 (parse_string): If lang_fortran or lang_asm, silently
9355 terminate strings ('' or "") at end of line.
9356 Remove unnecessary braces.
9358 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9359 Richard Henderson <rth@cygnus.com>
9361 * resource.c (mark_referenced_resources): Mark a set strict_low_part
9363 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
9364 strict_low_part when possible.
9366 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9368 * alias.c: PROTO -> PARAMS.
9369 * basic-block.h: Likewise.
9370 * bitmap.c: Likewise.
9371 * bitmap.h: Likewise.
9372 * builtins.c: Likewise.
9373 * c-aux-info.c: Likewise.
9374 * caller-save.c: Likewise.
9375 * calls.c: Likewise.
9377 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9379 * Makefile.in (toplev.o): Depend on regs.h.
9381 * output.h (tdesc_section): Prototype.
9383 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
9385 * sdbout.c: Include "tm_p.h".
9387 * toplev.c: Include "regs.h".
9389 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
9391 * unroll.c (unroll_loop): Add EH support.
9393 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9395 * pa-protos.h: New file.
9397 * pa.c: Include recog.h and tm_p.h.
9398 (compute_zdepwi_operands, compute_movstrsi_length,
9399 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
9400 find_addr_reg, import_milli): Add static prototypes.
9401 (pa_cpu_string, pa_arch_string): Constify a char*.
9402 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
9403 (read_only_operand): Add argument `mode'.
9404 (singlemove_string, output_move_double, output_fp_move_double,
9405 output_block_move, output_and, output_ior, output_ascii,
9406 remove_useless_addtr_insns, milli_names, output_mul_insn,
9407 output_div_insn, output_mod_insn, output_arg_descriptor,
9408 output_cbranch, output_bb, output_bvb, output_dbra, ,
9409 output_millicode_call, output_call, hppa_encode_label,
9410 output_parallel_movb, output_parallel_addb): Constify a char*.
9411 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
9412 (output_parallel_addb): Remove extra arg to `constrain_operands'
9414 * pa.h: Move all prototypes to pa-protos.h.
9415 (pa_cpu_string, pa_arch_string): Constify a char*.
9416 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
9418 * pa.md: Call `function_label_operand' with mode argument.
9419 Likewise for `read_only_operand'.
9420 Fix nesting of parens in call to `symbolic_operand'.
9422 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9424 * i860-protos.h: New file.
9426 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
9429 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
9431 * i860.md: Likewise.
9433 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
9435 * i386.md (movstrsi expander): Rewrite.
9436 (movstrsi_1 insn): Deleted.
9437 (strmovhi, strmovqi expander): New expanders.
9438 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
9439 * i386.c (x86_single_stringop): New global variable.
9440 * i386.h (x86_single_stringop): Declare.
9441 (TARGET_SINGLE_STRINGOP): New macro.
9443 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9445 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
9446 integer vararg POSTINCREMENT before the destination of the jump
9447 for the hard fp case.
9448 (function_arg_pass_by_reference): Pass a copy of CUM to
9451 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
9452 for CONSTANT_ADDRESS_P above while loop for subreg.
9454 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9456 * flow.c (propagate_block): When a prologue/epilogue insn
9457 is marked dead, unconditionally clear libcall_is_dead and
9458 insn_is_dead, and only dump rtl if warnings aren't being
9461 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
9463 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
9464 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
9465 (FIXED_REGISTERS): Set dirflag as fixed.
9466 (CALL_USED_REGISTERS): Set dirflag as used.
9467 (REG_ALLOC_ORDER): Set dirflag as last one.
9468 (DIRFLAG_REG): New macro.
9469 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
9470 (HI_REGISTER_NAMES): Add dirflag.
9471 (DEBUF_PRINT_REG): Handle dirflag.
9472 * i386.md (type attribute): New cld and str types.
9473 (length_opcode attribute): Set cld and str to 1.
9474 (memory attribute): Set str to unknown - it is not clear from the
9476 (pent_np function unit): Prefixed string operations takes 12 cycles
9477 minimally; cld takes 2 cycles.
9478 (ppro_uops attribute): Str is "many" and cld is "few".
9479 (ppro_p0 unit): Handle cld here.
9480 (k6_alux unit): Handle cld and str types.
9481 (k6_load unit): It is ocupied by str opcodes.
9482 (k6_store unit): It is ocupied by str opcodes.
9483 (athlon_decode): Str is vector decoded.
9484 (athlon_ieu): Handle str and cld.
9486 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
9487 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
9488 cmpstrsi_nz_1 insn): Do not output cld instruction
9490 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
9492 * gcc.texi (G++ and GCC): Add Java and Chill.
9493 (Bug Critera): Don't list languages.
9495 * gcc.texi (Incompatibilities): No longer claim most C compilers
9498 * gcc.texi (G++ and GCC): Update other front-ends list.
9500 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
9502 * i386.c (ix86_expand_setcc): Fix typo.
9503 (ix86_expand_movcc): Similarly.
9505 * Band-aid until haifa's bitset implementation is nuked.
9506 * haifa-sched.c (extract_bitlst): New parameter for size of the
9507 bitset in bits. All callers changed. Avoid looking at undefined
9509 (edgeset_bitsize): New variable.
9510 (schedule_region): Initialize edgeset_bitsize.
9512 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9514 * Makefile.in (optabs.o): Depend on real.h
9515 (resource.o): Depend on insn-attr.h
9517 * builtins.c (result_vector): Wrap prototype in macro conditions
9518 governing definition and use.
9520 * c-common.c: Include tm_p.h.
9522 * c-lex.c: Likewise.
9524 * elfos.h: Constify a char*.
9526 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
9527 (get_attr_length, shorten_branches, profile_after_prologue): Mark
9528 parameter with ATTRIBUTE_UNUSED.
9530 * fold-const.c (exact_real_inverse): Wrap variable `i' in
9533 * haifa-sched.c (schedule_insns): Mark parameter with
9536 * optabs.c: Include real.h.
9538 * real.h (ereal_atof): Add prototype arguments.
9540 * resource.c: Include insn-attr.h.
9542 * sdbout.c (sdbout_queue_anonymous_type,
9543 sdbout_dequeue_anonymous_types): Wrap in macro
9544 SDB_ALLOW_FORWARD_REFERENCES.
9545 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
9548 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
9550 * stupid.c: Include tm_p.h.
9552 * tree.c (real_value_from_int_cst): Mark parameter with
9555 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9557 * i960-protos.h: New file.
9559 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
9562 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
9564 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9566 * combine.c (expand_field_assignment): Do not discard SUBREGs
9567 while computing nonzero_bits.
9569 2000-01-09 Nick Clifton <nickc@cygnus.com>
9571 * config/arm/arm.c: Fix compile time warnings about signed vs
9573 * config/arm/arm.h: Fix compile time warnings about signed vs
9576 2000-01-09 Philip Blundell <philb@gnu.org>
9578 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
9579 than `ldm' with only one register.
9580 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
9583 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
9586 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
9588 * config/ns32k/ns32k.md (load or push effective address): Operand 1
9591 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9593 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9594 assignment used as truth value.
9596 * function.c (assign_temp): Mark parameter `dont_promote' with
9597 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
9598 PROMOTE_FOR_CALL_ONLY.
9600 * genrecog.c (write_subroutine): Mark variable `operands' with
9603 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
9606 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
9607 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
9609 * toplev.c (note_deferral_of_defined_inline_function): Likewise
9612 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9614 * config/c4x.h: Tidy up comments.
9615 * config/c4x.c: Likewise.
9617 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
9619 * fold-const.c (lshift_double, rshift_double): Handle
9620 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
9622 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9624 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
9625 in prepare_function_start().
9627 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
9629 * config/v850/v850.c (expand_epilogue): Interrupt functions no
9630 longer allocate extra stack for function calls.
9632 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9634 * config/c4x/c4x.md (*subqf3_set): Fix typo.
9636 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9638 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
9640 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9642 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9643 * aix43.h: Revert Aug 2 change.
9644 (HAS_INIT_SECTION): Define, not visible yet.
9645 (LD_INIT_SWITCH): Define, not visible yet.
9646 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9648 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
9650 * collect2.c (main): Expand ld2 size further.
9651 (export_object_lst): Cast assignment to avoid warning.
9652 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
9653 (scan_prog_file, COFF): Do not collect initialization or
9654 finalization functions generated for entire shared object if
9655 init/fini support present.
9657 2000-01-07 Nick Clifton <nickc@cygnus.com>
9659 * config/elfos.h: Tidy up formatting of marcos. Make sure
9660 that .section directives are always prefixed by a tab.
9662 * config/svr4.h: Add #include "elfos.h" and remove duplicate
9665 2000-01-07 Matt Austern <austern@sgi.com>
9667 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
9670 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
9672 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
9674 (crtbegin.o, s-crtS): Likewise.
9676 2000-01-06 Richard Henderson <rth@cygnus.com>
9678 * alpha.md (adddi_2+1): Limit offset such that it will be
9679 loadable with a single ldah+lda pair.
9680 (adddi_2+2): Explicitly fail split if we can't make it work.
9682 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
9684 * protoize.c: Conditionally include unistd.h.
9685 (IS_SAME_PATH_CHAR): New macro.
9686 (IS_SAME_PATH): New macro.
9687 (CPLUS_FILE_SUFFIX): New macro.
9688 (cplus_suffix): New static variable.
9689 (is_abspath): New static function.
9690 (in_system_include_dir): Handle DOS style pathnames.
9691 (file_could_be_converted): Likewise.
9692 (file_normally_convertible): Likewise.
9693 (directory_specified_p): Likewise.
9694 (file_excluded_p): Likewise.
9695 (abspath): Likewise.
9696 (shortpath): Likewise.
9697 (referenced_file_is_newer): Likewise.
9698 (save_def_or_dec): Likewise.
9699 (do_processing): Likewise.
9701 (edit_file): Likewise. Use rename instead of link.
9702 (rename_c_file): Likewise. Don't rename syscalls file.
9703 (munge_compile_params): Define null device for DOS based systems.
9704 (process_aux_info_file): Use binary mode if appliable.
9705 (edit_file): Likewise.
9706 * invoke.texi (Running Protoize): Document C++ suffixes used.
9708 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
9709 IS_DIR_SEPARATOR macros.
9710 * collect2.c: Likewise.
9711 * cppinit.c: Likewise.
9712 * dwarf2out.c: Likewise.
9715 * prefix.c: Likewise.
9717 * toplev.c: Likewise.
9718 * system.h: And move to here.
9720 * prefix.c (update_path): Fix typo in variable name.
9722 2000-01-06 Richard Henderson <rth@cygnus.com>
9724 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
9725 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
9726 (count_reg_sets_1, count_reg_references): Likewise.
9727 (flow_loops_level_compute): Start counting actual loop depth at 1.
9728 (flow_loops_find): Likewise.
9729 * local-alloc.c (update_equiv_regs): Likewise.
9730 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
9732 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9734 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
9735 FIRST_PSEUDO_REGISTER
9736 * dwarf2out.c: Don't include frame.h
9737 * dwarfout.c: Likewise
9738 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
9741 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
9743 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9746 * i386.c (movsf splitter): Fix typo in my last checkin.
9748 2000-01-05 Nick Clifton <nickc@cygnus.com>
9750 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
9751 own definition of this macro.
9752 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
9753 flag_data_sections or UNIQUE_SECTION_P are true.
9755 * tm.texi (UNIQUE_SECTION): Document that it can be called for
9756 unitialised data decls.
9758 * config/i386/winnt.c (i386_pe_unique_section): Cope with
9759 being called for uninitialised data.
9761 * config/i386/interix.c (i386_pe_unique_section): Cope with
9762 being called for uninitialised data.
9764 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
9765 for uninitialised data.
9767 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
9768 for uninitialised data.
9770 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
9771 for uninitialised data.
9773 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
9774 (UNIQUE_SECTION_P): Always generate a unique section if
9775 flag_data_sections is true.
9776 (UNIQUE_SECTION): Also generate unique sections for
9778 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
9779 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
9782 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9784 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
9787 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9789 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
9790 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
9791 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
9792 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
9793 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
9795 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
9797 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
9799 * c-decl.c (finish_enum): Simplify code to determine minimum and
9800 maximum values of the enum, and calculate the type. Remove check
9801 for FUNCTION_DECLs in the values list, which cannot happen. Replace
9802 the DECL_INITIAL of each enumeration constant with a copy converted
9803 to the enumeration type. When updating variant types, don't bother
9804 updating the type itself.
9806 * c-typeck.c (build_binary_op): Simplify conditional expressions
9807 when weeding out spurious signed-unsigned warnings. Add new
9808 spurious warning category: if the unsigned quantity is an enum
9809 and its maximum value fits in signed_type(result_type). Update
9811 (build_conditional_expr): Warn here if one alternative is signed
9812 and the other is unsigned.
9814 2000-01-05 Nick Clifton <nickc@cygnus.com>
9816 * config/fr30/fr30.h: Remove extraneous comments.
9818 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
9820 * reload1.c (choose_reload_regs): When disabling a reload, also
9821 set reload_spill_index to -1.
9823 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9825 * configure.in (m68*-*-rtemscoff*): New target, formal name for
9827 (m68*-*-rtemself*): New target.
9828 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
9829 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
9830 (sparc*-*-rtemself*): New target.
9831 (sparc*-*-rtems*): Now elf not a.out.
9832 * config/i386/rtems.h: Include config/rtems.h.
9833 * config/i386/rtemself.h: Include config/rtems.h.
9834 * config/i960/rtems.h: Include config/rtems.h.
9835 * config/m68k/rtems.h: Include config/rtems.h.
9836 * config/m68k/rtemself.h: Include config/rtems.h.
9837 * config/mips/rtems64.h: Include config/rtems.h.
9838 * config/pa/rtems.h: Include config/rtems.h.
9839 * config/rs6000/rtems.h: Include config/rtems.h.
9840 * config/sh/rtems.h: Include config/rtems.h.
9841 * config/sh/rtemself.h: Include config/rtems.h.
9842 * config/sparc/rtems.h: Include config/rtems.h.
9843 * config/sparc/rtemself.h: Include config/rtems.h
9845 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
9847 * final.c (shorten_branches): Correctly compute length of
9848 asms without operands.
9850 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
9852 * configure.in: Add pj target.
9853 * configure: Regenerate.
9854 * config/pj: New directory.
9855 * config/pj/lib1funcs.S: New file.
9856 * config/pj/linux.h: New file.
9857 * config/pj/pj.c: New file.
9858 * config/pj/pj.md: New file.
9859 * config/pj/pjl.h: New file.
9860 * config/pj/t-pj: New file.
9861 * config/pj/xm-pj.h: New file
9863 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
9865 * toplev.c (rest_of_compilation): Run shorten-branches before
9868 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9870 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
9871 macros so that they're consistent with their names.
9872 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9873 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9875 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9877 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
9878 modified inadvertently.
9880 2000-01-04 Joel Sherrill <joel@OARcorp.com>
9882 * configure.in (v850*-*-rtems*): New target.
9883 * configure: Regenerate.
9884 * config/v850/rtems.h: New file.
9886 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
9888 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
9889 (__gthread_key_create): Likewise.
9890 (__gthread_key_dtor): Likewise.
9891 (__gthread_once): Fix logic.
9892 (__gthread_key_delete): Cast away constness.
9894 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
9895 * invoke.texi: Document.
9896 * i386/mingw32.h (CPP_SPEC): Use.
9897 (LIBGCC_SPEC): Likewise.
9898 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
9900 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9902 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
9903 (HANDLE_PRAGMA_PACK): Undefine.
9904 (SLOW_UNALIGNED_ACCESS): Define.
9906 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9908 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
9909 to default definition.
9910 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
9911 (store_fixed_bit_field): Call macro with word_mode and alignment.
9912 (extract_bit_field): Call macro with relevant mode and alignment.
9913 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
9914 to default definition.
9915 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
9917 (move_by_pieces_ninsns): Likewise.
9918 (clear_by_pieces): Likewise.
9919 (emit_push_insn): Likewise.
9920 (store_field): Call macro with relevant mode and alignment.
9921 (expand_expr): Likewise.
9922 (expand_expr_unaligned): Likewise.
9924 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9925 (SLOW_UNALIGNED_ACCESS): Define.
9926 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9927 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9928 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9929 (toc_section): Likewise and .toc pseudo-op.
9930 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9932 (TEXT_SECTION_ASM_OP): Likewise.
9933 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9936 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
9937 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
9938 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
9939 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
9940 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
9942 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
9944 * regclass.c: Revert my Jan 4 change to loop cost computation.
9946 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9948 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
9951 2000-01-04 Stan Cox <scox@cygnus.com>
9953 * haifa-sched.c (build_control_flow): Change unreachable simple
9954 loop test to check if current block has only one predecessor.
9955 (find_rgns): Initialize degree. Use dest as degree index, not src.
9957 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9959 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
9961 * calls.c (expand_call): Likewise for
9962 `old_stack_arg_under_construction'.
9964 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
9966 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
9969 * gcc.c (execute): Likewise for `ut' and `st'.
9971 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
9973 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
9975 * jump.c (jump_optimize_1): Likewise for `temp2'.
9977 * local-alloc.c (block_alloc): Likewise for `r1'.
9979 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
9981 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
9982 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
9984 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
9987 * reload.c (find_reloads): Likewise for `goal_alternative_number'
9988 and `goal_earlyclobber'.
9990 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
9992 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
9994 * stupid.c (stupid_life_analysis): Likewise for `chain'.
9996 * unroll.c (copy_loop_body): Likewise for `copy'.
9998 * varasm.c (output_constructor): Likewise for `byte'.
10000 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10002 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
10003 all FP constants for constant->reg moves.
10004 (ix86_split_to_parts): Try to convert memory address into immediate
10005 when available in the constant pool.
10006 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
10008 (LEGITIMATE_CONSTANT_P): Return 1.
10009 * i386.md (pushsf): New splitter to convert constant pool memory
10010 reference to immediate.
10011 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
10014 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
10016 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
10017 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
10018 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
10019 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
10020 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
10022 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
10024 * ginclude/stdbool.h: Support compilation as C++.
10026 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10028 * fold-const.c (make_range): Don't try to reverse an unbounded range.
10030 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
10032 * regclass.c (regclass): Properly compute loop_cost. Adjust
10035 * regclass.c: Fix minor whitespace problems.
10037 2000-01-03 Anthony Green <green@cygnus.com>
10039 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
10040 Restore the pic register if required.
10042 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
10044 * c-common.c (format_char_info): Update comment.
10045 (check_format_info): Recognize 'z' modifier in the same way 'Z'
10046 was recognized. Emit warning for formats new in ISO C99 only
10047 if flag_isoc9x is not set.
10049 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
10051 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
10053 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10055 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
10056 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
10057 (make_compound_operation): Choose cheaper alternative between
10058 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
10060 * regclass.c (op_costs): Remove global variable.
10061 (record_reg_classes): New parameter "op_costs" and "reg_pref".
10062 (record_operand_costs): Break out from ...
10063 (scan_one_insn): ... here.
10064 (dump_regclass): Make dumps nicer.
10065 (regclass): Dump preferrences choosed and changes done during passes.
10067 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10069 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
10071 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10073 * config/sparc/sparc.c (gen_df_reg): New function.
10074 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
10075 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
10076 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
10077 movtf_cc_reg_sp64+1): Use it.
10079 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10081 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
10082 copied LABEL_DECLs.
10084 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10086 * config/i386/i386.c (ix86_expand_unary_operator): Function
10087 definition made void.
10088 (ix86_expand_binary_operator): Update outdated preceding comment.
10089 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
10092 * config/i386/i386.c (override_options): Fix option-name typo.
10094 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10096 * system.h (CEIL): Define.
10097 * builtins.c (CEIL): Remove.
10098 * expmed.c (CEIL): Likewise.
10099 * expr.c (CEIL): Likewise.
10100 * stor-layout.c (CEIL): Likewise.
10102 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10104 * expr.c (store_constructor_field): Fix typo introduced with last
10107 2000-01-01 Mark Mitchell <mark@codesourcery.com>
10109 * tree.h (BINFO_N_BASETYPES): New macro.
10111 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
10113 * expmed.c (emit_store_flag): Prevent losing a pending stack
10114 adjust the same way we prevent losing queued increments.
10116 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10118 * function.c (update_temp_slot_address): Handle case where sum of
10119 temporary address plus offset in register is a valid address.
10121 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10123 * genrecog.c (change_state) Corrected typo.
10125 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10127 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
10128 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
10129 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
10131 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
10133 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
10134 case, expand GT comparisons correctly. Fix a comment before this
10137 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10139 * dwarfout.c: Include "frame.h"
10140 * dwarf2out.c: Likewise.
10141 * Makefile.in (dwarfout.o): Depend on frame.h
10142 (dwarf2out.o): Likewise.
10144 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
10146 Restore i386 binary compatibility in Dwarf EH info.
10147 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
10148 value of FIRST_PSEUDO_REGISTER.
10149 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
10150 (struct frame_state): Use DWARF_FRAME_REGISTERS.
10151 * dwarfout.c (output_reg_number): Ditto.
10152 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
10153 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
10155 1999-12-29 Bruce Korb <autogen@linuxbox.com>
10157 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
10158 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
10159 (<hack>_RE_CT): not needed
10160 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
10161 rewritten to scan the file text once only
10162 "template<..." test added
10163 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
10164 (is_cxx_header): declaration added
10165 * fixinc/fixtests.c(is_cxx_header): removed
10166 (apply_fix_p_t): removed
10167 (double_slash_test): is_cxx_header is only called once now
10168 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
10169 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
10170 within the templates.
10171 The borken spelling of "broken" was fixed.
10172 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
10173 The default level depends on FIXINC_DEBUG.
10175 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10177 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
10178 Otherwise provide a declaration for atexit.
10179 (init_dummy): Make sure dummy call to atexit is nevertheless
10180 called with correct number of args.
10182 * frame.c: Update comments referring to other files.
10184 * libgcc2.c: Likewise.
10186 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10188 * cse.c (free_element, get_element): Remove unused prototypes.
10190 * fold-const.c (extract_muldiv): Initialize variables `op0' and
10193 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
10196 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
10198 * configure.in,configure: case arm for mn10200-*-* now sets
10199 float_format=i32 so that float.h will correctly claim "double"
10200 to be 32 bits. Ran autoconf to generate configure from .in file.
10202 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
10204 * pa.md (conditional zero): If op1 is a register, force it into
10205 the same register as op0.
10207 1999-12-28 Mark Mitchell <mark@codesourcery.com>
10209 * tree.h (BINFO_BASETYPES): Improve documentation.
10211 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10213 * configure.in (--enable-checking): Use a more portable `for'
10216 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10218 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
10219 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
10221 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
10224 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
10225 Delete descriptions.
10227 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
10228 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
10229 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
10230 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
10231 xm-svr4.h: Remove all instances of sys_siglist handling.
10233 1999-12-27 Jakub Jelinek <jakub@redhat.com>
10235 * config/sparc/sparc.md (cmp_zero_qi,
10236 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
10237 cmp_zero_extendqidi2_andcc_set): New patterns.
10239 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
10241 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10242 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
10243 (fpgnulib.c, xfgnulib.c): Add rules.
10244 * m68k/t-mot3300-gas: Likewise.
10246 1999-12-27 Ian Lance Taylor <ian@zembu.com>
10248 * configure.in: Avoid [[ by using test and changequote. Add
10249 changequote required by 1999-12-14 change.
10250 * configure: Rebuild.
10252 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
10254 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
10256 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
10258 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
10259 * flow.c (find_use_as_address): Likewise.
10260 * function.c (fixup_var_refs_1): Likewise.
10261 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
10262 * jump.c (invert_exp, redirect_exp): Likewise.
10263 * loop.c (replace_call_address): Likewise.
10264 (count_nonfixed_reads): Likewise.
10265 * rtlanal.c (modified_between_p): Likewise.
10266 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
10267 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
10268 * unroll.c (remap_split_bivs): Likewise.
10270 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10272 * diagnostic.c (v_message_with_decl): Use .* format specifier
10273 instead of building the format specifier width manually.
10275 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
10276 determining whether to provide a prototype. Remove the
10277 sys_siglist clause in the conditional.
10279 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10281 * fold-const.c (operand_equal_p): Use memcmp to compare string
10283 Suggested by D. J. Bernstein
10285 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10287 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
10288 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10290 * config/mips/mips.h (TARGET_64BIT): Likewise.
10291 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
10292 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
10293 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
10294 dsps. Give routines proper names if SI/DI modes are not used.
10295 * longlong.h: Use DWunion instead of DIunion.
10297 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
10299 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
10300 GC_CHECKING, GC_ALWAYS_COLLECT.
10301 * configure.in: Allow --enable-checking with an argument
10302 listing check modes to enable.
10303 * config.in, configure: Rebuilt.
10304 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
10305 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
10306 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
10307 ENABLE_GC_ALWAYS_COLLECT.
10308 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
10310 * tree.h, tree.c: Change ENABLE_CHECKING to
10311 ENABLE_TREE_CHECKING throughout.
10313 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10315 * fold-const.c (fold_truthop): Properly check for FP RHS.
10317 1999-12-24 Mark Mitchell <mark@codesourcery.com>
10319 * toplev.h (note_deferall_of_defined_inline_function): Declare.
10320 * toplev.c (note_deferral_of_defined_inline_function): New
10321 function, split out from ...
10322 (rest_of_compilation): ... here. Use it.
10324 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10326 * expr.c (store_constructor): Don't call clear_storage if size is
10329 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10331 * Makefile.in (toplev.o): Depend on loop.h.
10333 * dwarfout.c: Include tm_p.h.
10335 * emit-rtl.c (restore_emit_status): Mark parameter with
10338 * final.c (final_scan_insn): Likewise.
10340 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
10341 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
10342 flow_depth_first_order_compute, flow_loop_pre_header_find,
10343 flow_loop_tree_node_add, flow_loops_tree_build,
10344 flow_loop_level_compute, flow_loops_level_compute,
10345 flow_loop_outside_edge_p): Add prototypes.
10346 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
10348 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
10349 Mark with ATTRIBUTE_NORETURN.
10351 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
10353 * local-alloc.c (no_conflict_p): Likewise.
10355 * loop.c (insert_bct): Hide definitions of variables with hidden
10357 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
10359 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
10360 with ATTRIBUTE_UNUSED.
10361 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
10362 (reg_scan): Likewise.
10364 * reload.c (find_reloads): Remove unused variables `changed'.
10366 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
10368 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
10369 Remove unused variable `insn'.
10371 * toplev.c: Include loop.h.
10372 (report_file_and_line): Remove unnecessary prototype.
10374 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
10376 * unroll.c (biv_total_increment): Likewise.
10378 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10380 * reload1.c (emit_input_reload_insns): Restore old behaviour
10381 wrt. 'special' reloads.
10383 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
10385 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
10386 hash.h. (cse.c): Don't depend on hashtab.h.
10388 * cse.c: Don't include hashtab.h.
10389 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
10391 * ggc-simple.c: Don't include hash.h.
10393 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
10395 * dwarf2out.c (add_abstract_origin_attribute): Call
10396 gen_abstract_function on our function context.
10398 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
10400 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
10402 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10404 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
10407 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10409 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
10410 constraints to "a!r".
10412 1999-12-21 Mark Mitchell <mark@codesourcery.com>
10414 * Makefile.in (calls.o): Depend on function.h.
10415 (alias.o): Likewise.
10417 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
10419 * reload1.c (emit_reload_insns): Break out code and variables into...
10420 (input_reload_insns, other_input_address_reload_insns,
10421 other_input_reload_insns, input_address_reload_insns,
10422 inpaddr_address_reload_insns, output_reload_insns,
10423 output_address_reload_insns, outaddr_address_reload_insns,
10424 operand_reload_insns, other_operand_reload_insns,
10425 other_output_reload_insns): ... new static variables, and...
10426 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
10427 do_output_reload): ... new functions.
10429 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10431 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
10433 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10435 * md.texi: Add c4x constraints documentation.
10437 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10439 * config/i386/dgux.c (struct option): Rename to
10440 lang_independent_option.
10441 (struct m_options): Add description field.
10442 (output_options): Rename option type, add sep declaration, output
10443 ix86_cpu_string and ix86_arch_string only if set.
10444 (output_file_start): Rename option type.
10446 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
10448 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
10450 (libgcc2.a): Similarly.
10452 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
10454 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
10455 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
10456 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
10458 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
10460 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
10461 Remove redundant initialization of "frexpon" and "expon".
10463 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10465 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
10467 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
10468 (store_constructor_field, expand_expr): Pass new arg.
10470 1999-12-20 Mark Mitchell <mark@codesourcery.com>
10472 * Makefile.in (explow.o): Depend on function.h.
10474 * stor-layout.c (set_sizetype): Fix typo.
10476 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
10478 * function.c (cfun): Renamed from current_function. All users
10480 * function.h (cfun): Rename declaration as well.
10482 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
10483 to be of type regset_head, not regset. All users changed by adding
10485 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
10487 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10489 * config/c4x/rtems.h: New file.
10491 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
10493 * reload1.c (spill_failure): Take class of failed reload as argument
10494 and print it. Caller changed.
10496 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10498 * rs6000.h (SUBTARGET_DEFAULT): New macro.
10499 (TARGET_SWITCHES): Allow subtargets to default switches.
10500 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
10502 1999-12-18 Mark Mitchell <mark@codesourcery.com>
10504 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
10507 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
10509 * cccp.c (main): Define __STDC_VERSION__ as necessary.
10510 * cppinit.c (cpp_handle_option): Likewise.
10512 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
10513 determine when to define.
10515 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
10517 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
10518 cmove with mismatched test and data modes.
10520 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
10522 * c-typeck.c (c_expand_start_case): Don't warn for long switch
10525 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10527 * alias.c: Minor reformatting.
10528 * flow.c: Likewise.
10529 * regs.h: Likewise.
10530 * stor-layout.c: Likewise.
10531 * fold-const.c: Likewise.
10532 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
10533 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
10535 (size_int_wide): Cache nodes even if garbage collecting.
10536 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
10537 of SAVE_EXPR has no side effects.
10538 * cse.c: Move a comment.
10539 * tree.c: Minor reformatting.
10540 (int_size_in_bytes): Return -1 if constant overflows.
10542 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10544 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
10546 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
10548 * objc/objc-parse.c: Regenerate. This file must be rebuilt
10549 after any change to c-parse.in, even if objc-parse.y didn't
10552 1999-12-18 David S. Miller <davem@redhat.com>
10554 * toplev.c (rest_of_compilation): Restore BLOCK tree
10555 reconstruction and branch shortening changes lost in
10556 December 18th change.
10558 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
10560 * config/arm/linux-elf.h: Change all instances of
10561 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
10562 * config/arm/uclinux-elf.h: Likewise.
10564 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
10566 * toplev.c (notice, vmessage, v_message_with_file_and_line,
10567 v_message_with_decl, file_and_line_for_asm,
10568 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
10569 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
10570 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
10571 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
10572 pfatal_with_name, fatal_io_error, need_error_newline,
10573 last_error_function, last_error_tick, announce_function,
10574 default_print_error_function, print_error_function,
10575 report_error_function, fnotice, error_with_file_and_line,
10576 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
10577 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
10578 warning_with_decl, warning_for_asm, warning, pedwarn,
10579 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
10581 (compile_file): Use fnotice instead of notice. Adjust call.
10583 * diagnostic.c: New file.
10585 * Makefile.in (OBJS): Include diagnostic.o
10586 (diagnostic.o): Define dependence.
10588 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10590 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
10593 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10595 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
10597 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10599 * fixtests.c (is_cxx_header): New fn, split out of
10601 (else_endif_label): Allow "#endif // comment" in C++ headers,
10602 as determined by is_cxx_header.
10603 * fixfixes.c (else_endif_label_fix): Update comment.
10604 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
10606 * genfixes: Correct double thinko in commandline parsing.
10607 * hackshell.tpl: Generate correct sh syntax for bypass
10610 * inclhack.def (all): Whenever an inserted preprocessor
10611 conditional is split over multiple lines, use double
10612 backslashes in this file so the fixed header will be readable.
10614 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
10615 and add bypass entry for correct version of this header.
10616 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
10617 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
10619 (hpux8_bogus_inlines): New fix, split from...
10620 (ultrix_atof_param) ... here.
10621 (math_expression): Add bypass entry keyed to glibc comment
10622 indicating the problem has been dealt with; disable
10623 unnecessary sed operations; update commentary.
10624 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
10625 add select and bypass entries, simplify shell operation.
10626 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
10628 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
10629 ultrix_atof_param): Add select entry.
10630 (stdio_va_list, sunos_mather_decl): Add bypass entry.
10631 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
10632 comments with the fixes they describe.
10634 * c-parse.in (string action): Do not warn about ANSI string
10635 concatenation in system headers. Affects C parser only.
10636 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
10638 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10640 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
10641 compiling libgcc2 the macro depends always on arch cpp defines.
10643 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
10645 * loop.c (insert_loop_mem): Don't record MEMs from inside
10648 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
10650 * regclass.c (regclass): Do not use flowgraph when not optimizing.
10652 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
10653 notes too, create one when replacement failed, attempt to simplify
10655 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
10656 or REG_EQUIV notes.
10658 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10660 * crtstuff.c (__dso_handle): Declare.
10661 (__cxa_finalize): Likewise.
10662 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
10665 * invoke.texi: Document -fuse-cxa-atexit.
10667 * tree.h (ptr_type_node): Document.
10668 (const_ptr_type_node): Likewise.
10670 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10672 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
10673 (optimize_reg_copy_2): Likewise.
10674 (optimize_reg_copy_3): Likewise.
10675 (fixup_match_2): Likewise.
10676 (regmove_optimize): Likewise.
10677 (fixup_match_1): Liekwise.
10679 * i386.md (HI to SImode promoting splitters): Rewrite.
10680 (pushsf mem peep2): New.
10681 (testhi to andhi peep2): Remove.
10682 * i386.h (x86_promote_QImode): New.
10683 (TARGET_PROMOTE_QImode): New.
10684 (PREDICATE_CODES): Add promotable_binary_operator.
10685 * i386.c (x86_promote_QImode0: New.
10686 (promotable_binary_operator): New.
10687 * i386-protos.h (promotable_binary_operator): New.
10689 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
10691 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
10693 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10695 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
10696 * function.c (insert_block_after_note): Remove.
10697 (retrofit_block): Likewise.
10698 (identify_blocks): Fix indentation.
10699 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
10700 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
10701 * function.h (insert_block_after_note): Remove prototype.
10702 (retrofit_block): Likewise.
10703 * integrate.c (expand_inline_function): Don't call
10704 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
10705 just expand_start_bindings. Use the block_map to remap old
10706 NOTE_BLOCKs to new ones.
10707 (integrate_decl_tree): Keep track of remapped blocks.
10708 * integrate.h (struct inline_remap): Add block_map.
10709 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
10710 NOTE_BLOCK on the notes.
10711 (expand_start_bindings): Rename to ...
10712 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
10713 (expand_end_bindings): Set NOTE_BLOCK.
10714 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
10715 reconstruct the BLOCK tree.
10716 * tree.h (expand_start_bindings): Macroize. Call ...
10717 (expand_start_bindings_and_block): New function.
10719 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10721 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
10722 to match the format.
10724 1999-12-16 David S. Miller <davem@redhat.com>
10726 * expr.c (emit_move_insn_1): Only emit clobbers if one of
10727 the outputs is a SUBREG.
10728 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
10731 * config/sparc/sparc.c (epilogue_renumber): Add default case
10734 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10736 * toplev.c (rest_of_compilation): Run branch shortening after
10739 * regclass.c (loop_depth): Remove
10740 (scan_one_insn): Do not handle LOOP_NOTE insns.
10741 (regclass): Go through basic blocks and set loop_cost
10743 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
10745 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
10747 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10749 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
10750 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
10751 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
10753 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
10755 * loop.c (insert_loop_mem): Ignore memory clobbers.
10757 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
10760 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
10762 * profile.c: Remove redundant #include "output.h".
10764 * h8300.md (HImode preinc peephole): Fix typo.
10766 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10768 * function.c (retrofit_block): Abort if we don't find a suitable insn.
10769 (insert_block_after_note): Abort if we don't have a previous block.
10770 Remove FN parameter.
10771 * function.h: Adjust.
10773 1999-12-15 Mark Mitchell <mark@codesourcery.com>
10775 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
10776 argument more than once.
10778 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10780 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
10782 1999-12-15 Jakub Jelinek <jakub@redhat.com>
10784 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
10786 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10788 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
10789 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
10790 update stack_alignment_needed.
10791 (prepare_function_start): Initialize stack_alignment_needed
10792 * function.h (struct function): Add field stack_alignment_needed.
10794 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10796 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
10797 Handle live_throughout / dead_or_set instead of live_before /
10799 (save_call_clobbered_regs): Get register livenessinformation from
10800 chain->live_throughout.
10801 (add_stored_regs): New function.
10802 (insert_restore, insert_save): Add restored / saved registers to
10804 * global.c (reg_dies): New parameter chain.
10805 (reg_becomes_live): Third parameter is regs_set now.
10806 Changed all callers.
10807 (reg_dies): New parameter chain. Changed all callers.
10808 (build_insn_chain): Set live_throughout instead of
10809 live_before / live_after.
10810 * reload.h (struct insn_chain): Replace members live_before /
10811 live_after with live_throughout / dead_or_set.
10812 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
10813 instead of live_before / live_after.
10814 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
10815 (order_regs_for_reload, find_reg, finish_spills): Likewise.
10816 (choose_reload_regs_init): Likewise.
10817 * stupid.c (current_chain, find_clobbered_regs): Delete.
10818 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
10819 instead of chain->live_before / chain->live_after.
10820 (mark_hard_ref): New function.
10821 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
10823 1999-12-15 David S. Miller <davem@redhat.com>
10825 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
10827 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10829 * flow.c (calculate_loop_depth): Make global, remove prototype,
10830 rewrite to use new loop infrastructure.
10831 (find_basic_block): Remove calculate_loop_depth call.
10832 * toplev.c (rest_of_compilation): Call find_basic_block.
10833 * output.h (calculate_loop_depth): Declare.
10835 * flow.c (dump_flow_info): Dump loop_depth.
10836 (flow_loops_nodes_find): Increase loop_depth for basic block in the
10838 (flow_loops_find): Initialize the loop_depth for each basic block.
10840 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10842 * tree.c (decl_function_context): Handle virtual functions.
10844 * tlink.c (scan_linker_output): Don't look in demangled name when
10845 looking for linker output keywords.
10847 * dwarfout.c (output_type): We can defer namespace-scope classes.
10849 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
10851 * regclass.c (record_reg_classes): Update comment for merging
10852 register class preferences in reg->reg copies. Tighten conditions
10853 for merging register class preferences in reg->reg copies.
10855 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
10857 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
10859 1999-12-14 Geoff Keating <geoffk@cygnus.com>
10861 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
10862 (INIT_SECTION_ASM_OP): Delete.
10863 (FINI_SECTION_ASM_OP): Delete.
10864 (STARTFILE_SPEC): Define to hold just crtbegin.o.
10866 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
10868 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
10869 the abstract origin wasn't emitted.
10871 * dwarf2out.c (class_scope_p): New fn.
10872 (gen_subprogram_die): Use it.
10873 (gen_variable_die): Use it. Tweak logic.
10874 (gen_struct_or_union_type_die): Check context_die to determine
10875 if we're function-local.
10876 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
10878 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10880 * loop.c (check_dbra_loop): Can't reverse a biv that has
10881 maybe_multiple set.
10883 1999-12-14 Nick Clifton <nickc@cygnus.com>
10885 * config/arm/arm.c: Add support for -mcpu=arm720 command line
10888 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10890 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
10891 for givs made from biv increments.
10893 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
10895 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
10896 * alpha.c (override_options): Recognize -mcpu=ev67.
10897 * alpha.h (CPP_CPU_EV67_SPEC): New.
10898 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
10899 (EXTRA_SPECS): Update.
10901 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
10903 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
10904 appropriate for -lang-c89 and -std=*.
10905 * cppinit.c (cpp_handle_option): Likewise.
10906 (new_pending_define): New, split out from cpp_handle_option.
10907 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
10908 or enable trigraphs for -ansi/-std=*.
10910 * ginclude/stdarg.h (__va_copy): New.
10911 (va_copy): Don't define for C89.
10913 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
10915 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
10916 for long long multiply-accumulate.
10918 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10920 * regclass.c (scan_one_insn): Set loop_cost to 1 when
10921 optimizing for size.
10923 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10925 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
10926 if something changed. Back out that part of yesterday's changes.
10928 * loop.c (loop_max_reg): New static variable.
10929 (loop_optimize): Initialize it. Eliminate one unnecessary call to
10931 (scan_loop): Call reg_scan_update whenever we may have added new
10932 registers, and update loop_max_reg.
10934 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10936 * regclass.c (record_reg_classes): Do not do the copying preferrencing
10937 when source does not die.
10939 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
10941 1999-12-14 Jakub Jelinek <jakub@redhat.com>
10943 * config/sparc/linux64.h (TARGET_LIVE_G0,
10944 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
10946 * config/sparc/linux.h (TARGET_LIVE_G0,
10947 TARGET_BROKEN_SAVERESTORE): Likewise.
10948 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
10949 TARGET_BROKEN_SAVERESTORE): Likewise.
10951 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
10952 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
10954 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
10955 as sparc64 block profiling register.
10956 * config/sparc/sparc.c (sparc_override_options): Allow block
10957 profiling with -m32.
10958 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
10959 profiling register.
10960 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
10961 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
10962 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
10964 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
10966 * config/sparc/sparc.h: Likewise.
10967 * config/sparc/xm-sysv4-64.h: Likewise.
10968 * config/float-sparc.h: Likewise.
10969 * glimits.h: Likewise.
10970 * longlong.h: Likewise.
10972 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
10973 (ASM_IDENTIFY_GCC): Remove.
10975 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10977 * combine.c (combine_simplify_rtx): Don't make shared rtl.
10978 (simplify_logical): Likewise.
10980 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
10982 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
10983 * cppfiles.c (INO_T_EQ): Likewise.
10985 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
10987 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
10988 * i386/mingw32.h (LIB_SPEC): Likewise.
10989 (STARTFILE_SPEC): Likewise.
10990 * i386/uwin.h (LIB_SPEC): Likewise.
10991 (STARTFILE_SPEC): Likewise.
10993 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
10994 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
10996 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
10998 * combine.c (combine_simplify_rtx): Fix order of checks for
10999 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
11001 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
11003 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
11004 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
11006 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11008 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
11010 * regclass.c (inv_reg_alloc_order): New array.
11011 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
11013 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
11014 counted_for_groups, counted_for_nongroups. Add fields rld and
11016 * reload.c (push_secondary_reload): Don't set nongroup field of
11018 (push_reload): Likewise.
11019 (find_reloads): Delete code to compute nongroup fields.
11020 * reload1.c (reload_insn_firstobj): New static variable.
11021 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
11023 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
11024 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
11025 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
11027 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
11029 (struct hard_reg_n_uses): Deleted.
11030 (potential_reload_regs): Deleted.
11031 (init_reload): Initialize spilled_pseudos and pseudos_counted.
11032 (reload): Don't try to allocate reload registers if we already know
11033 we have to make another pass. Call select_reload_regs. Free memory
11034 starting with reload_firstobj when starting another pass.
11035 Don't allocate spilled_pseudos.
11036 (calculate_needs_all_insns): Call copy_reloads for an insn that
11037 needs reloads; don't call calculate_needs.
11038 (spill_cost): New static array.
11039 (used_spill_regs_local): New static variable.
11040 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
11041 to compute potential_reload_regs.
11042 (find_reload_regs): Completely rewritten to use find_reg.
11043 (allocate_reload_reg): Don't test counted_for_groups or
11044 counted_for_nongroups. Lose NOERROR arg and code to give an error;
11045 all cllers changed.
11046 (choose_reload_regs): Add fallback code that uses the existing
11047 register allocation from find_reload_regs.
11049 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
11051 * flow.c (create_edge_list): Cast xmalloc return value.
11053 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
11055 * doprnt.c: Remove incorrect comment closure.
11057 * cse.c: Fix a few minor whitespace goofs.
11059 1999-12-13 Don Bowman <don@pixstream.com>
11061 * mips/vxworks.h: Fix problem with comment termination.
11062 (EXTRA_SECTIONS): Add in_sbss.
11063 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
11065 1999-12-12 David S. Miller <davem@redhat.com>
11067 * cse.c (struct cse_reg_info): Add hash_next member,
11068 reorder rest of struct for better packing on 64-bit
11070 (cse_reg_info_tree): Kill.
11071 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
11072 REGHASH_FN): New custom pow2 hash mechanism.
11074 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
11075 use a pow2 hash table.
11076 (get_cse_reg_info): Rework to use new REGHASH.
11077 (new_basic_block): Likewise, use HASH_SIZE, and inline
11079 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
11080 and inline free_element call.
11081 (lookup_as_function, insert, flush_hash_table, invalidate,
11082 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
11083 invalidate_for_call, use_related_value, find_comparison_args,
11084 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
11085 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
11086 get_element): Kill.
11088 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
11090 * cse.c (cse_basic_block): Free qty_table consistently.
11092 1999-12-12 David S. Miller <davem@redhat.com>
11093 Jakub Jelinek <jakub@redhat.com>
11095 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
11096 SUBREGs by hand, gen the appropriate hard reg directly.
11097 (movtf reg/mem split): Likewise and alter_subreg on destination
11099 (movtf mem/reg split): Similarly.
11100 (movdf_cc_sp64): Rename from hidden pattern.
11101 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
11102 (movtf_cc_sp64, following split): New pattern and splitter.
11103 (movdf_cc_reg_sp64): Rename from hidden pattern.
11104 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
11106 (movtf_cc_reg_sp64, following split): New pattern and splitter.
11108 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
11110 * loop.c (load_mems): Don't hoist written floating point mem
11113 1999-12-12 Mark Mitchell <mark@codesourcery.com>
11115 * except.h (struct eh_queue): Add `next' pointer.
11116 (struct eh_status): Make x_ehqueue a pointer.
11117 (push_ehqueue): Declare.
11118 (pop_ehqueue): Likewise.
11119 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
11121 (expand_fixup_region_end): Likewise.
11122 (expand_leftover_cleanups): Likewise.
11123 (push_ehqueue): Define.
11124 (pop_ehqueue): Likewise.
11125 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
11126 than doing it inline.
11127 (expand_start_all_catch): Adjust now that ehqueue is a
11129 (mark_eh_queue): Mark all level of the queue.
11130 (mark_eh_status): Adjust now that ehqueue is a
11132 (init_eh_for_function): Allocate ehqueue.
11133 (free_eh_status): Free it.
11134 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
11135 expansion for a fixup.
11137 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11139 * gthr-single.h (__gthread_active_p): Add prototype arguments.
11141 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
11142 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
11143 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
11144 function_ptr, getpagesize, __enable_execute_stack,
11145 __enable_execute_stack, __clear_insn_cache,
11146 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
11147 _cleanup, _exit, __default_terminate, __terminate_func,
11148 __terminate, __empty, __throw, new_eh_context,
11149 eh_context_initialize, eh_context_static, eh_context_specific,
11150 get_eh_context, __get_eh_context, __get_eh_info,
11151 init_reg_size_table, eh_threads_initialize,
11152 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
11153 __unwinding_cleanup, throw_helper, __throw, __rethrow,
11154 __pure_virtual): Add prototype arguments.
11155 (__bb_exit_func): Cast a sizeof to long when comparing against one.
11156 Cast a signed value to unsigned long when comparing against one.
11157 (new_eh_context): Wrap in _GTHREADS macro.
11158 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
11160 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
11161 (throw_helper): Initialize variables `handler_p' and `pc_p'.
11163 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11165 * combine.c (record_promoted_value): Remove unused variable
11168 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
11170 * global.c (record_conflicts): Likewise for `j'.
11172 * genoutput.c (output_insn_data): Don't unnecessarily cast away
11175 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11177 * i386-protos.h (output_387_binary_op, output_fix_trunc,
11178 output_fp_compare): Constify a char*.
11180 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
11182 (override_options, ix86_comp_type_attributes, print_operand,
11183 output_387_binary_op, output_fix_trunc, output_fp_compare):
11185 (ix86_sched_reorder): Mark parameter `clock_var' with
11188 * i386.h (DEBUG_PRINT_REG): Constify a char*.
11190 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
11192 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
11193 operand, for use in the Java front-end.
11195 1999-12-10 Ben Collins <bcollins@debian.org>
11197 * configure.in: Fix typo for "-64" in 64bit as check.
11198 * configure: Rebuilt.
11200 1999-12-10 Jakub Jelinek <jakub@redhat.com>
11202 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
11205 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11207 * c-parse.in (string): With -Wtraditional, warn if ANSI string
11208 concatenation is utilized.
11210 * invoke.texi (-Wtraditional): Document it.
11212 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11214 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
11215 Cast a ptrdiff_t to long and pass it to printf with %ld.
11217 1999-12-10 Geoff Keating <geoffk@cygnus.com>
11219 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
11220 68881, we have no 68881 registers at all.
11221 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
11222 value in a 68881 register if it is available.
11224 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
11226 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
11227 for long long multiply-accumulate.
11229 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11231 * loop.c (insert_loop_mem): Undo last change.
11233 1999-12-10 David S. Miller <davem@redhat.com>
11235 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
11237 * config/sparc/sparc-protos.h: Add them.
11238 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
11239 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
11240 constraints which use those helpers.
11241 (EXTRA_CONSTRAINT): Use this new macro.
11242 * md.texi: Update sparc target constraints documentation.
11243 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
11244 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
11245 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
11246 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
11247 (movsf high/lo_sum split): Rework for new patterns.
11248 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
11250 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11252 * c-common.c (c_common_nodes_and_builtins):
11253 Create __builtin_ptrdiff_t and __builtin_size_t.
11255 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
11257 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
11259 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11261 * regclass.c (globalize_reg): Re-instate test that allows
11262 fixed registers to be declared as a variable even after functions
11265 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11267 * i386.md (cpu attribute): Add "athlon".
11268 (athlon_decode): New attribute.
11269 (Athlon scheduling units definitions): New.
11270 (fcmp and shld patterns): Set athlon_decode to "vector".
11271 * i386.c (athlon_cost): New.
11273 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
11274 x86_use_sahf): Set for Athlon.
11275 (x86_use_fiop): Unset for Athlon.
11276 (override_options): Define Athlon alignments and "athlon" name.
11277 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
11278 * i386.h (TARGET_ATHLON): New.
11279 (enum processor_type): Add PROCESSOR_ATHLON.
11280 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
11282 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
11284 1999-12-09 Andreas Jaeger <aj@suse.de>
11286 * loop.c (record_biv): Declare parameter as int.
11288 * config/i386/i386-protos.h: Declare long_memory_operand.
11290 1999-12-09 Mark Mitchell <mark@codesourcery.com>
11292 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
11293 EXPR_WITH_FILE_LOCATION.
11295 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11297 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
11300 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
11302 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
11305 1999-12-09 Jakub Jelinek <jakub@redhat.com>
11307 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
11308 default on linux64 again.
11309 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
11310 models for multilibing.
11311 * genmultilib: Accept | as alternative separator within a set in
11314 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
11316 * calls.c (precompute_arguments): Make sure initial_value contains
11317 value pseudo which CSE expects.
11318 * cse.c (struct set): New entry orig_src.
11319 (cse_insn): Set it early on entry, use it for libcall EQUIV note
11322 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
11324 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
11326 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
11328 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
11330 1999-12-08 Jakub Jelinek <jakub@redhat.com>
11332 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
11333 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
11335 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
11338 * longlong.h: Merge in changes from glibc.
11339 Also don't clobber %g2 register in 32bit SPARC assembly, so that
11340 -mno-app-regs libgcc can be compiled.
11341 * libgcc2.c: Add defines so that the updated longlong.h
11342 can be used in libgcc2.a. Also, make sure on most architectures
11343 (at least on all which have optimized code in longlong.h defined
11344 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
11346 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11348 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
11349 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
11350 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
11352 * configure: Rebuilt.
11354 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
11356 * alpha.c (secondary_reload_class): For !BWX, sub-simode
11357 outputs require a register.
11359 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
11361 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
11362 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
11363 functions like dptoul will be resolved.
11364 (libgcc2.a): Make sure that the object files from DPBIT are named
11365 differently (prefix `_dp') from those that would be coming from
11368 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
11370 * configure.in: When target is sparc* and tm_file contains 64,
11371 test for 64bit support in assembler. If not supported, remove
11372 sparc/t-sol2-64 from target-dependent Makefile fragments.
11373 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
11374 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
11375 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
11376 * acconfig.h (AS_SPARC64_FLAG): Added.
11377 * configure, config.in: Rebuilt.
11378 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
11379 support. Use AS_SPARC64_FLAG.
11381 1999-12-07 Jakub Jelinek <jakub@redhat.com>
11383 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
11384 suitable for holding OFmode values so that gcc works with complex
11386 (hard_64bit_mode_classes): Likewise.
11388 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
11389 so that it is actually matched.
11390 (sethi_di_medlow): Likewise.
11392 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
11393 as legitimate constant if -mvis.
11394 * config/sparc/sparc.md (movtf): Likewise.
11395 (clear_sf): Use const_double_operand.
11396 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
11398 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
11399 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
11400 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
11401 routines, _Qp_* cannot be handled like that now.
11402 (INIT_TARGET_OPTABS): Likewise.
11403 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
11404 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
11405 sparc_emit_float_lib_cmp if ARCH64 and soft float.
11406 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
11407 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
11408 divtf3, sqrttf3): New expanders.
11409 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
11410 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
11411 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
11414 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
11415 * configure: Rebuilt.
11416 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
11417 -mcpu is given and we're doing 64bit compiles.
11419 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
11421 * loop.h (struct induction): Add multi_insn_incr.
11422 * loop.c (basic_induction_var): New multi_insn_incr argument.
11423 Set it if we search back through previous insns for the biv.
11424 (record_biv): New multi_insn_incr argument; fill in struct induction.
11425 (strength_reduce): Discard an iv with multiple bivs, any of
11426 which require multiple insns to increment.
11428 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11430 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
11433 1999-12-06 David S. Miller <davem@redhat.com>
11435 * combine.c (check_promoted_subreg): Do not conditionalize this upon
11436 PROMOTE_FUNCTION_RETURN.
11438 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
11440 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
11441 and handle REG_UNUSED note on insn.
11443 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
11444 inner_mask instead of mask.
11446 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
11448 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
11449 zero if there was an error.
11451 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11453 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
11456 * longlong.h: Fix clobbers in SPARC asm statements.
11458 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
11459 valid sethi operations when TARGET_ARCH64.
11461 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
11462 always use move_by_pieces to avoid infinite recursion.
11463 (restore_fixed_argument_area): Likewise.
11465 * combine.c (check_promoted_subreg, record_promoted_value): New
11467 (combine_instructions): Use them to retain nonzero and sign bit
11468 information after SUBREGs are eliminated by optimizations in
11469 this pass if PROMOTE_FUNCTION_RETURN.
11471 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
11472 .register declaration. Don't use variables with __ prefixes.
11474 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11476 * fold-const.c (optimize_bit_field_compare): Only use one mode
11477 for both RHS and LHS in non-constant case.
11479 1999-12-06 Nathan Sidwell <nathan@acm.org>
11481 * frame.c (start_fde_sort): Only allocate erratic array, if
11482 linear one was allocated. Return allocated flag.
11483 (fde_insert): Only insert, if there's a valid array.
11484 (fde_end_sort): Split, sort and merge if linear and erratic
11485 arrays exist, else just sort linear one.
11486 (search_fdes): New function. Linear search through original fde
11488 (frame_init): Permit multiple initializations. Cope with
11490 (find_fde): Fallback on linear search, if failed to sort array.
11491 (__deregister_frame_info): Only free sorted array, if we
11494 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11496 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
11498 1999-12-05 Jakub Jelinek <jakub@redhat.com>
11500 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
11502 1999-12-05 Mark Mitchell <mark@codesourcery.com>
11504 * tree.h (special_function_p): Declare.
11505 * calls.c (special_function_p): Make it global. Don't take `name'
11506 as a parameter. Fix typo in 1999-11-28 change.
11507 (expand_cal): Adjust.
11509 1999-12-04 Mark Mitchell <mark@codesourcery.com>
11511 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
11512 * tree.h (EXPR_WFL_FILENAME): Define in terms of
11513 EXPR_WFL_FILENAME_NODE.
11514 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
11516 * print-tree.c (print_note): Print TREE_PRIVATE and
11519 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
11520 the original die cannot be found.
11522 * varray.h (varray_head_tag): Add elements_used.
11523 (VARRAY_PUSH): New macro.
11524 (VARRAY_POP): Likewise.
11525 (VARRAY_TOP): Likewise.
11526 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
11528 * varray.c (varray_init): Initialize elements_used.
11529 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
11530 (INTEGRATE_H): New variable.
11531 (integrate.o): Depend on INTEGRATE_H.
11532 (unroll.o): Likewise.
11534 * function.h (insert_block_after_note): Declare.
11535 * function.c (insert_block_after_note): Split out from ...
11536 (retrofit_block): ... here.
11538 * stmt.c (expand_fixup): Fix typo in comment.
11540 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11542 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
11543 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
11544 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
11545 (regmove_optimize, fixup_match_1): Likewise.
11547 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11549 * flow.c (flow_loops_dump): Add missing argument when calling
11550 flow_loop_nested_p.
11552 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
11553 Greg McGary <gkm@gnu.org>
11555 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
11556 (init_attributes): Add A_NO_LIMIT_STACK.
11557 (decl_attributes): Handle A_NO_LIMIT_STACK.
11558 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
11559 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
11560 Handle stack bounds checking.
11561 * flags.h (flag_stack_check): Use the word 'probe' rather than
11562 'check', because the flag doesn't actually cause any checking to
11564 * function.c (expand_function_start): Set
11565 current_function_limit_stack.
11566 * function.h (struct function): Add limit_stack.
11567 (current_function_limit_stack): Define.
11568 * invoke.texi (Code Gen Options): Document new options.
11569 * rtl.h: Declare stack_limit_rtx.
11570 * toplev.c (stack_limit_rtx): New variable.
11571 (decode_f_option): Handle new options -fstack-limit-register=REG,
11572 -fstack-limit-symbol=IDENT, -fno-stack-limit.
11573 (main): Add stack_limit_rtx as GC root.
11574 * tree.h (DECL_NO_LIMIT_STACK): New macro.
11575 (struct tree_decl): New member no_limit_stack.
11577 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
11579 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
11580 (conditional_trap+1): Get new mnemonic correct.
11581 (conditional_trap+2): New pattern for DImode traps.
11583 * config/m68k/m68k.c (output_function_prologue): Handle
11585 * config/m68k/m68k.md (trap): New insn.
11586 (conditional_trap): New insn.
11587 * md.texi (Standard Names): Document `trap' and
11588 `conditional_trap'.
11589 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
11590 so a cc0 setter doesn't get emitted at some random place in the
11593 * config/i960/i960.md (trap): New insn.
11594 (conditional_trap): New expander.
11595 (conditional_trap+1, conditional_trap+2): New insns for signed
11596 and unsigned cases.
11597 * config/i960/i960.c (i960_function_prologue): Use
11598 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
11600 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
11601 Geoffrey Keating <geoffk@cygnus.com>
11603 * flags.h (warn_padded, warn_packed): Add global var decls.
11604 * toplev.c (warn_padded, warn_packed): Add global var defns.
11605 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
11606 * stor-layout.c (layout_record): Add local variable `type'
11607 to hold often-used TREE_TYPE (field). Add local variable
11608 `unpacked_align' to hold alignment that would be in force
11609 if no `packed' attribute were present. Warn if `packed' attribute
11610 is unnecessary, or even harmful. Warn when gcc inserts padding
11611 to satisfy alignment requirements of members. Use NULL_TREE
11612 when checking whether var_size is set.
11613 * invoke.texi: Document new flags.
11615 1999-12-03 Nathan Sidwell <nathan@acm.org>
11617 * frame.c (fde_split): Reimplement to avoid variable sized array.
11619 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11621 * combine.c (try_combine): Before fixing up LOG_LINKS for the
11622 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
11624 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
11626 * invoke.texi: Document the mips option -mno-crt0
11628 1999-12-02 Mike Karr <mkarr@mathworks.com>
11630 * cccp.c (argdata): Added free_ptr member.
11631 (macroexpand): Initialize free_ptr of each argument. When an
11632 argument's buffers are freed, if the argument's free_ptr corresponds
11633 to a buffer on the input stack, then return the free_ptr to that stack
11634 frame, otherwise, free it.
11635 (macarg): If an argument begins and ends on the same input stack level,
11636 then transfer the free_ptr of that buffer to the argument in case
11637 the stack is popped during the processing of a subsequent argument.
11639 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
11641 * loop.c (note_reg_stored): New function.
11642 (struct note_reg_stored_arg): New structure.
11643 (try_copy_prop): Change to be more conservative; only replace within
11644 one extended basic block and stop replacing if a store to the
11645 replacement reg is seen.
11647 1999-12-02 Nick Clifton <nickc@cygnus.com>
11649 * config/fp-bit.c: Initialise all fields of the NAN
11652 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
11655 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
11657 * i386.md (extend?f?f2): Force the input into a register, not
11660 1999-12-01 Jakub Jelinek <jakub@redhat.com>
11662 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
11664 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
11665 alternative because setting up 64bit constant is usually costly,
11666 especially when reload is in progress or completed.
11667 (movdf_const_intreg_sp64): Likewise.
11668 (movdf_const_intreg split): Fix building up constants when
11669 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
11671 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
11673 * combine.c (if_then_else_cond): Use const_true_rtx instead of
11674 const1_rtx for return values in EQ/NE comparison against (const_int 0)
11677 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
11678 (asm_file_start): Emit .am33 into assembly file when compiling for
11680 (print_operand_address): Handle POST_INC addresses.
11681 (can_use_return_insn, initial_offset): Check AM33 registers too.
11682 (expand_prologue): Check & save AM33 registers too.
11683 (expand_epilogue): Similarly.
11684 (secondary_reload_class): Handle AM33 specific secondary reloads.
11685 (output_tst): Emit efficient code for the AM33 too.
11686 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
11687 (TARGET_SWITCHES): Add -mam33 switch.
11688 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
11689 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
11690 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
11691 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
11692 (enum reg_class, REG_CLASS_NAMES): Likewise.
11693 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
11694 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
11695 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
11696 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
11697 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
11698 (HAVE_POST_INCREMENT): Define.
11699 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
11700 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
11701 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
11702 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
11703 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
11704 (zero_extend to SI from QI/HI): Likewise.
11705 (sign_extend to SI from QI/HI): Likewise.
11706 (mulsidi3, umulsidi3): New patterns for the AM33.
11707 (tstsi with zero extension from QI/HI): Add AM33 variants.
11708 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
11709 (return_internal_regs, store_movm): Handle new AM33 registers.
11710 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
11711 (LIBGCC, INSTALL_LIBGCC): Likewise.
11712 * invoke.texi: Document new flags.
11714 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11716 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
11717 (addsi3_carry): Likewise.
11718 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
11719 (sbbsi3_carry): Likewise.
11720 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
11721 (mulhi3): Likewise.
11722 (test?i_1): Ensure that only one operand is memory.
11723 (conditional move patterns): likewise.
11724 (shift and rotate patterns): Rewrite to expander, add
11725 "binary_operator_ok" to the condition.
11727 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
11728 * i386.h (procesor_costs): Add movzbl_load field.
11729 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
11730 non-Q registers, accept DImode registers anywhere.
11732 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
11733 * i386.c (*_cost): Set value for movxbl_load field.
11735 * (addsi): New add to lea splitter.
11736 (ashlsi): Likewise.
11737 (lea to add/shift peep2): New.
11739 1999-12-01 Mark Salter <msalter@cygnus.com>
11741 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
11742 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
11743 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
11745 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11747 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
11748 * i386.md (movsi_xor): New.
11750 (movsi_1, movhi_1, movqi_1): Remove.
11751 (movsi_2): Rename to movsi_1.
11752 (movhi_2): Rename to movhi_1.
11753 (movqi_2): Rename to movqi_1.
11754 (movdi_1): Remove; remove splitter.
11755 (movdi_2): Rename to movdi_1.
11756 (divmodsi4 splitter): Do not emit clobbers for move patterns.
11757 (long move peep2): Do not create QI or HI mode mov0s
11758 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
11760 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
11763 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
11764 (abs?f2_if): Likewise.
11766 1999-11-30 Alex Samuel <samuel@codesourcery.com>
11768 * ggc.h (ggc_test_and_set_mark): New macro.
11769 (ggc_mark_rtx): Use ggc_test_and_set_mark.
11770 (ggc_mark_tree): Likewise.
11771 (ggc_mark_rtvec): Likewise.
11772 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
11774 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
11776 * dwarf2out.c (scope_die_for): Only handle types. Only search for
11778 (decl_scope_table): Just an array of trees now.
11779 (push_decl_scope): Simplify.
11780 (dwarf2out_init): Adjust.
11781 (local_scope_p): New fn.
11782 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
11783 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
11784 (gen_typedef_die): Likewise.
11785 (gen_lexical_block_die): Don't call push/pop_decl_scope.
11786 (gen_inlined_subroutine_die): Likewise.
11787 (gen_abstract_function): Set current_function_decl temporarily.
11788 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
11789 Handle block extern declarations. Don't call push/pop_decl_scope.
11790 (gen_decl_die): Fix logic for block externs.
11792 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11794 * calls.c (special_function_p): Remove `realloc' and add `strdup'
11795 to the list of functions which have attribute malloc by default.
11797 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11799 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
11800 integer constant does not match the traditional type, limit the
11801 warnings to cases where the base of the type is ten.
11803 * invoke.texi (-Wtraditional): Document it.
11805 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11807 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
11808 * rs6000.md: Only access a CONST_INT with INTVAL
11810 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
11812 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
11813 (compute_nearerout): Likewise.
11814 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
11815 size_t to unsigned long for formatting.
11817 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11819 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
11820 Allow the user to override call-used/fixed state of %g2-5
11821 registers from the command line (with the exception of %g4 for
11823 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
11824 there is a higher chance of having a leaf function.
11825 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
11826 for ARCH64 which has %ccr register.
11827 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
11829 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
11830 insn accept into delay slot any insn which does not use %[ol]
11831 registers. Accept some LO_SUM and shift left by 1 for the normal
11833 (output_function_epilogue): Likewise.
11834 (epilogue_renumber): Added argument which inhibits any renumbering
11835 and just tests if the rtx does not use any %[ol] registers.
11836 (output_return): Reflect above change.
11838 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11840 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
11841 aggregate passing for sizes <= 16 bytes.
11843 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
11845 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
11846 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
11847 * reload.c (find_dummy_reload): Likewise.
11848 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
11849 * reload1.c (reload_as_needed): Likewise.
11850 * stupid.c (stupid_find_reg): Likewise.
11851 * tm.texi (Obsolete Register Macros): Delete section.
11852 * gmicro.h: Remove all traces of the two macros.
11853 * i386.h: Likewise.
11854 * m88k.h: Likewise.
11855 * mips.h: Likewise.
11857 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
11859 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
11860 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
11861 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
11862 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
11863 units for the sparclite86x chip.
11864 (flush): Revert October 14th change; add SImode specifically.
11865 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
11866 * invoke.texi: Document it.
11868 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
11870 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
11871 psimode_truncation_operand.
11873 * config/mn10200/mn10200.c (psimode_truncation_operand): New
11874 function. Return true if the operand is either a MEM valid
11875 for a PSImode address or not a MEM at all.
11877 * config/mn10200/mn10200.md (truncsipsi2): Use
11878 psimode_truncation_operand.
11880 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11882 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
11883 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
11884 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
11885 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
11886 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
11887 (flow_loop_level_compute, low_loops_level_compute): Likewise.
11888 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
11889 * basic-block.h: Protect from multiple inclusion.
11890 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
11891 (struct loops, struct loop): Define structures.
11892 * sbitmap.c (sbitmap_a_subset_b_p): New function.
11893 * sbitmap.h: Protect from multiple inclusion.
11894 (sbitmap_a_subset_b_p): Add prototype.
11895 * Makefile.in (LOOP_H): New macro.
11896 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
11898 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
11900 * cppinit.c (CAT): The argument list of this macro may not contain
11903 1999-11-29 David S. Miller <davem@redhat.com>
11905 Move quantity tables and register equivalence chains into
11906 per-qty and per-register structure arrays respectively.
11907 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
11908 qty_const_insn, qty_comparison_code, qty_comparison_const,
11909 qty_comparison_qty): Delete, replace with...
11910 (qty_table): this structure table.
11911 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
11912 (reg_eqv_table): this structure table.
11913 (make_new_qty): Add argument MODE. Caller updated.
11914 Update to use qty_table and reg_eqv_table.
11915 (make_regs_eqv, delete_reg_equiv, insert_regs,
11916 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
11917 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
11918 cse_process_notes, cse_main, cse_basic_block): Likewise.
11920 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11922 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
11923 operation if C is negative.
11924 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
11925 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
11926 law for some divisions if constant is negative and change other
11927 divisions to the opposite rounding.
11929 * expr.c (store_constructor_field): If bit position is not multiple
11930 of alignment of TARGET's mode, use BLKmode.
11932 * expr.c (expand_expr_unaligned): Add more code from full case
11933 that is needed when OP0 is in a register.
11935 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11937 * dwarfout.c (field_byte_offset): Size can be zero if there was
11940 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
11942 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
11943 (associate_trees): Delete unused var TEM.
11944 (extract_muldiv): Delete unused var CANCEL_P.
11946 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
11947 (target_isinf, target_isnan, target_negative): Add return types to
11948 function definitions.
11950 1999-11-29 Bruce Korb <autogen@linuxbox.com>
11952 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
11953 * fixinc/hackshell.tpl: ditto
11954 * fixinc/fixtests.c(double_slash_test): more C++ header testing
11955 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
11957 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
11959 * reload.c (push_reload): When looking for a register to put into
11960 reg_rtx, make sure all hard regs in a multi-reg register are in the
11961 right class and nonfixed.
11963 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
11964 pending_read_insns, pending_write_insns, pending_read_mems,
11965 pending_write_mems, pending_list_length, last_pending_memory_flush,
11966 last_function_call, sched_before_next_call): Move static variables
11968 (bb_ prefixed versions): Replace with single array bb_deps.
11969 (struct deps): New structure.
11970 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
11971 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
11972 argument of type "struct deps *"; use that instead of global
11973 variables. All callers changed.
11974 (init_rgn_data_dependencies): Delete function.
11975 (init_rtx_vector): Delete function.
11976 (init_deps): New function.
11978 (free_pending_lists): Simplify, we always use the bb_deps array even
11979 if only one basic block.
11980 (compute_block_backward_dependences): Likewise.
11981 (schedule_region): Likewise.
11983 (propagate_deps): New function, broken out of
11984 compute_block_backward_dependences.
11985 (compute_block_backward_dependences): Use it.
11987 * alpha.md: Delete useless patterns that tried to work around
11988 register elimination problems.
11990 * unroll.c (loop_iterations): Don't abort if iteration variable
11993 From Joern Rennecke:
11994 * reload1.c (reloads_conflict): Reverse test comparing operand
11995 numbers when testing for conflict between output/outaddr reloads.
11997 1999-11-29 David S. Miller <davem@redhat.com>
11999 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
12001 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
12003 1999-11-28 Robert Lipe <robertl@cygnus.com>
12005 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
12006 table from .fini into .dtor.
12008 1999-11-28 Anthony Green <green@cygnus.com>
12010 * tree.h (struct tree_decl): Add malloc_flag.
12011 (DECL_IS_MALLOC): Define.
12012 * c-common.c (attrs): Add A_MALLOC attribute.
12013 (init_attributes): Add this attribute to the table.
12014 (decl_attributes): Handle malloc attribute.
12015 * calls.c (special_function_p): Check for the malloc attribute.
12016 * extend.texi (Function Attributes): Document malloc attribute.
12018 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
12020 * pa.md (reload shift-add patterns): Remove.
12022 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12024 * reorg.c (dbr_schedule) Print more statistics. Corrected
12025 problem when printing info when 3 delay slots are filled.
12027 1999-11-28 Jakub Jelinek <jakub@redhat.com>
12029 * combine.c (setup_incoming_promotions): Pass an outgoing
12030 regno to FUNCTION_ARG_REGNO_P which it expects.
12032 1999-11-28 Andreas Jaeger <aj@suse.de>
12034 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
12036 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
12038 * cccp.c (do_include): Avoid initialization of automatic variable.
12040 * integrate.c (mark_stores): Function definition made void, to match
12041 previous declaration.
12042 * regclass.c (dump_regclass): Ditto.
12043 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
12045 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12047 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
12048 known to be multiple of divisor.
12050 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
12052 * combine.c (try_combine): Add code to try to merge a set of a
12053 two-word pseudo to a constant with a setting of one of those words
12056 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
12057 (split_tree): Completely rework to make more general.
12058 (make_range, fold): Call negate_expr.
12059 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
12060 (fold, associate): Call new split_tree and associate_trees.
12061 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
12063 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
12065 * loop.c (try_copy_prop): Avoid GNU C extension.
12067 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12069 * except.c (init_eh_for_function): Still zero eh_return_context,
12070 eh_return_stack_adjust, and eh_return_handler.
12072 * except.h (eh_status): Adjust documentation for x_protect_list.
12073 (begin_protect_partials): New function.
12074 * except.c (enqueue_eh_entry): Fix formatting.
12075 (get_first_handler): Add consistency check.
12076 (add_partial_entry): Adjust usage of protect_list.
12077 (emit_cleanup_handler): Save and restore ehqueue.
12078 (expand_start_all_catch): Add comment.
12079 (begin_protect_partials): New function.
12080 (end_protect_partials): Adjust usage of protect_list.
12081 (init_eh_for_function): Use xcalloc.
12083 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12085 * c-common.c (check_format_info): Don't call a variadic function
12086 with a non-literal format string.
12088 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
12090 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
12091 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
12094 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
12097 * collect2.c (collect_wait): Likewise.
12099 * dbxout.c (dbxout_type): Likewise.
12101 * gcc.c (do_spec_1): Likewise.
12103 * genemit.c (gen_insn, gen_expand): Likewise.
12105 * genrecog.c (write_switch, write_subroutine): Likewise.
12107 * mips-tfile.c (catch_signal, botch): Likewise.
12109 * print-rtl.c (print_rtx): Likewise.
12111 * toplev.c (default_print_error_function, report_error_function,
12112 _fatal_insn): Likewise.
12114 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12116 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
12118 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12120 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
12121 operations when needed.
12122 * i386.md (fop_?f_comm): New.
12123 (fop_?f_1): Do not accept commutative operands.
12125 1999-11-25 Andreas Jaeger <aj@suse.de>
12127 * config/mips/mips.md (casesi_internal): Add missing brace.
12129 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
12131 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
12132 (splice_child_die): Handle moving a child DIE from the declaration
12133 DIE of a class to its specification.
12134 (gen_struct_or_union_type_die): Use 'complete' consistently.
12135 (gen_decl_die): Generate the virtual context DIE first.
12136 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
12138 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
12140 * config/mips/mips.md (call_value_multiple_interanal1): New.
12142 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
12144 * dwarf2out.c (free_AT, free_die): New fns.
12145 (remove_children): Call them.
12146 (output_line_info): Disable removal of duplicate notes.
12148 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
12149 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
12150 means pretend the type isn't defined.
12151 Don't defer emitting types.
12152 (gen_type_die_for_member): New fn.
12153 (gen_decl_die): Call it.
12154 (splice_child_die): New fn.
12155 (gen_member_die): Call it rather than generate duplicate dies.
12157 Defer emitting information for the abstract instance of an inline
12158 until we either inline it or emit an out-of-line copy.
12159 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
12160 from output_inline_function if DECL_ABSTRACT is also set.
12161 (block_ultimate_origin): Likewise.
12162 (gen_abstract_function): New fn.
12163 (gen_decl_die, gen_inlined_subroutine_die): Call it.
12164 (gen_subprogram_die): An abstract instance is not a declaration
12165 just because it doesn't match current_function_decl. Don't abort
12166 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
12167 has an abstract origin.
12168 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
12169 abstract instance here.
12171 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
12173 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
12174 where we need to reload fpul from a system register.
12176 1999-11-24 Andreas Jaeger <aj@suse.de>
12178 * config/mips/linux.h (CPP_PREDEFINES): Added.
12179 (LINK_SPEC): Remove -Y since this is only needed on sparc.
12181 1999-11-24 Andreas Jaeger <aj@suse.de>
12183 * config/mips/linux.h (TARGET_VERSION): Added.
12184 (HANDLE_SYSV_PRAGMA): Added.
12185 (DEFAULT_VTABLE_THUNKS): Added.
12187 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12189 * local-alloc.c (qty): New structure and static variable.
12190 (qty_phys_reg): Remove, all references changed to qty.
12191 (qty_n_refs): Likewise.
12192 (qty_min_class): Likewise.
12193 (qty_birth): Likewise.
12194 (qty_death): Likewise.
12195 (qty_size): Likewise.
12196 (qty_mode): Likewise.
12197 (qty_n_calls_crossed): Likewise.
12198 (qty_alternate_class): Likewise.
12199 (qty_changes_size): Likewise.
12200 (qty_first_reg): Likewise.
12201 (alloc_qty): Rename variable QTY to QTYNO.
12202 (finf_free_reg): Likewise.
12203 (local_alloc): Allocate qty, do not allocate the removed variables.
12205 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
12207 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
12208 when -membedded-pic is passed.
12210 * config/mips/mips.md (casesi): Handle 64-bit case too.
12211 (casesi_internal_di): New insn.
12213 * config/mips/mips.c (embedded_pic_offset): Always make the
12214 embedded-pic subtractions relative to the name of the current
12215 function by use of the magic string "..CURRENT_FUNCTION".
12216 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
12218 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
12220 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
12221 of (const_int 0), when what we really care about is
12222 whether it's a zero constant anyway.
12223 (div_trap_mips16): Likewise.
12225 1999-11-23 Mark Mitchell <mark@codesourcery.com>
12227 * loop.c (loop_optimize): Always find_loop_tree_blocks and
12228 unroll_block_trees when generating debuggable code.
12230 * tree.h (unsave_expr_1): New function.
12231 (lang_unsave): New variable.
12232 (get_callee_fndecl): New function.
12233 * tree.c (unsave_expr_now_r): New function.
12234 (lang_unsave): Define.
12235 (unsave_expr_1): Likewise.
12236 (unsave_expr_now_r): Split out from unsave_expr_now.
12237 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
12238 call unsave_expr_now_r.
12239 (get_callee_fndecl): Define.
12241 * Makefile.in (gencheck): Don't depend on lang_tree_files.
12242 (gencheck.o): Do depend on lang_tree_files.
12244 * integrate.h (copy_decl_for_inlining): New declaration.
12245 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
12246 (copy_decl_for_inlining): New function.
12247 (integrate_parm_decls): Use it.
12248 (integrate_decl_tree): Likewise.
12250 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
12252 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
12253 the second two from the first.
12254 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
12255 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
12256 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12258 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
12259 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12262 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
12264 * pa.md (call_internal_symref, call_value_internal_symref): No mode
12265 needed on the address operand.
12266 * pa.c (call_operand_address): Check for the correct mode.
12268 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
12270 * loop.c: Include "basic-block.h".
12271 (try_copy_prop, replace_loop_reg): New functions.
12272 (load_mems): Detect registers that just hold copies of the hoisted
12273 mem, and call try_copy_prop to eliminate them.
12274 * Makefile.in (loop.o): Update dependencies.
12276 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
12278 * Makefile.in (gencheck.o): Depend on gencheck.h.
12279 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
12280 (insn-peep.o): Depend on except.h and function.h.
12281 (insn-attrtab.o): Depend on RECOG_H.
12282 (insn-output.o): Depend on toplev.h and flags.h.
12283 (gengenrtl.o): Depend on real.h.
12284 (gen-protos.o): Depend on cpplib.h and cpphash.h.
12285 Unify all dependencies to be on RECOG_H rather than recog.h.
12287 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12289 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
12290 * configure.in: Try building a bi-arch 32/64-bit compiler on
12291 sparc-*-solaris2.7 and higher.
12292 * configure: Rebuild.
12294 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
12296 * config/freebsd.h: New, FreeBSD architecture independent file.
12297 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
12298 independent pieces.
12299 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
12300 directly by i386/freebsd.h.
12301 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
12302 independent configuration file.
12303 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
12304 directly by i386/freebsd.h.
12305 * configure: Rebuilt.
12307 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
12308 which is in the user's namespace.
12309 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
12310 `i386' which is not in our namespace.
12312 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
12314 * invoke.texi (ARM Options): Add in -mno-alignment-traps
12316 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12318 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
12319 (add_dwarf_attr, add_child_die): Just push onto the front.
12320 (reverse_die_lists): New fn.
12321 (add_sibling_attributes): Use it.
12322 (push_decl_scope): Reorganize.
12323 (add_name_and_src_coords_attributes): Don't set file and line for
12324 an artificial decl.
12325 (gen_subprogram_die): An artificial function doesn't need to match
12327 (gen_compile_unit_die): Return the generated die. Only add
12328 AT_comp_dir if the filename is relative.
12329 (remove_AT): Simplify loop. Also free string values.
12330 (output_die): A DIE ref can't be null.
12331 (output_value_format, value_format): Take a dw_attr_ref.
12332 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
12333 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12334 AT_addr, AT_lbl): New fns.
12335 (various): Use them.
12336 (various): Constify.
12338 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12340 * combine.c (combine_simplify_rtx): When handling a SUBREG,
12341 take SUBREG_WORD into account.
12342 (if_then_else_cond): Likewise.
12344 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12346 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
12347 clause from BSD license, pursuant with
12349 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
12351 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
12353 * loop.c (load_mems): Reformat slightly.
12354 * basic-block.h (regset_head): New typedef.
12355 (INIT_REG_SET): New macro.
12357 1999-11-22 Bruce Korb <autogen@linuxbox.com
12359 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
12360 (mips-dec-bsd*): non-functional code
12361 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
12363 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
12364 added three replacement fixes
12365 (no_double_slash): removed comments that are not (any longer) pertinent
12366 (bad_lval): this fix currently runs against many files.
12367 The comment seems to indicate that we should select for files
12368 containing 'pragma extern_prefix'.
12370 * fixinc/fixinc.x86-linux-gnu: deleted
12371 * fixinc/inclhack.sh: regen
12372 * fixinc/fixincl.x: regen
12373 * fixinc/fixincl.sh: regen
12375 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
12377 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
12378 its code is INSN and it has no notes.
12380 1999-11-22 Andrew Haley <aph@cygnus.com>
12382 * varasm.c (function_defined): Remove.
12383 (make_function_rtl): Don't set function_defined.
12384 (make_decl_rtl): Remove global register warning.
12385 * regclass.c (no_global_reg_vars): New variable.
12386 (globalize_reg): Warn if function has already been defined.
12387 (regclass_init): Set no_global_reg_vars.
12389 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12391 * regclass.c (reg_pref): New structure and static variable
12392 (prefclass): Delete.
12393 (altclass): Delete.
12394 (all uses of prefclass and altclass): Use reg_pref instead.
12396 1999-11-21 Nick Clifton <nickc@cygnus.com>
12398 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
12400 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
12401 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12402 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12404 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
12406 * varasm.c (output_constructor): Solve problem with long long
12407 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
12409 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12411 * global.c (allocno): New structure and static variable.
12412 (allocno_reg): Remove, all references replaced by allocno.
12413 (allocno_size): Likewise.
12414 (hard_reg_conflicts): Likewise.
12415 (hard_reg_preferences): Likewise.
12416 (hard_reg_copy_preferences): Likewise.
12417 (hard_reg_full_preferences): Likewise.
12418 (regs_someone_prefers): Likewise.
12419 (allocno_calls_crossed): Likewise.
12420 (allocno_n_refs): Likewise.
12421 (allocno_live_length): Likewise.
12422 (find_reg): Rename ALLOCNO to NUM.
12424 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
12425 references updated.
12426 (may_move_out_cost): New variable.
12427 (init_reg_sets_1): Initialize may_move_out_cost.
12428 (record_reg_classes): Use may_move_out_cost.
12430 * regclass.c (dump_regclass): New function.
12431 (regclass): New parameter DUMP, call DUMP_REGCLASS.
12432 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
12433 pass rtl_dump_file to regclass.
12434 * rtl.h (regclass): Update prototype.
12436 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12438 * i386.md (neg, not and abs patterns): Revmap to use
12439 ix86_expand_unary_operator and ix86_unary_operator_ok.
12440 (add?f and sub?f expanders): Force operand 1 to register.
12441 * i386.c (ix86_expand_unary_operator): Rewrite.
12442 (ix86_unary_operator_ok): Ensure that memory operands
12444 (ix86_binary_operator_ok): Do not allow operand 1 to
12445 come into memory and operand 0 not.
12446 (ix86_expand_binary_operator): Ensure that
12447 src1 is not non-matching memory.
12449 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
12450 to support integer registers and memory.
12451 (abss?2_integer): Likewise.
12453 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
12454 (REG_CLASS_NAMES): Likewise.
12455 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
12457 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
12458 (movsf): Likewise; unify 4th and 5th alternative.
12459 (pushdf): Likewise.
12460 (movdf_1): Likewise; rename to movdf_integer.
12461 (pushxf): Likewise; rename to pushxf_integer; fix output template;
12462 remove redundant splitter.
12463 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
12464 (movdf_nointeger): New.
12465 (movxf_nointeger): New.
12466 (pushxf_nointeger): New.
12468 * i386.md (extend?f?f): Split to expander and pattern, refuse two
12469 memory operands in patterns.
12470 (fop*): Refuse two memory operands.
12472 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
12473 on !TARGET_USE_CLTD CPUs.
12475 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
12477 * extend.texi: Document C++ restricted pointers and references.
12479 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
12481 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
12482 (invalidate_skipped_set): Call it unconditionally.
12483 (cse_set_around_loop): Likewise.
12485 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12487 * rtl.texi (mem): Add documentation for alias-set argument
12490 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12492 * i386.h (struct_processor_costs): New fields int_load, int_store,
12493 fp_move, fp_load and fp_store
12494 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
12496 (MEMORY_MOVE_COST): New macro.
12497 * i386.c (386_cost): Define new fields.
12498 (i486_cost): Likewise.
12499 (pentium_cost): Likewise.
12500 (pentiumpro_cost): Likewise.
12501 (k6_cost): Likewise.
12503 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
12504 Geoffrey Keating <geoffk@cygnus.com>
12506 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
12508 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
12511 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
12512 (TARGET_STRICT_ALIGNMENT): New macro.
12513 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
12514 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
12515 * invoke.texi (M680x0 Options): Document -mstrict-align.
12517 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
12518 Richard Henderson <rth@cygnus.com>
12520 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
12521 (ix86_split_long_move): Declare.
12522 * i386.c (split_xf, ix86_split_movdi): Remove.
12523 (ix86_split_to_parts, ix86_split_long_move): New.
12524 * i386.md (dimode move splitters): Use ix86_split_long_move.
12525 (dfmode move splitters): Likewise.
12526 (xfmode move splitters): Likewise.
12527 (movsf_1): Allow F->r.
12528 (movdf_1, movxf_1): Allow F->ro.
12530 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12532 * except.h (struct eh_entry): Add goto_entry_p.
12533 (eh_region_from_symbol): Remove prototype.
12534 * except.c (find_func_region_from_symbol): New function.
12535 (emit_cleanup_handler): Likewise.
12536 (eh_region_from_symbol): Make it static.
12537 (add_new_handler): Verify the argument.
12538 (find_func_region): Update comment.
12539 (expand_eh_region_end): Expand handlers here, rater than waiting
12540 until expand_leftover_cleanups or start_all_catch.
12541 (expand_leftover_cleanups): Don't expand here.
12542 (expand_start_all_catch): Or here.
12543 (expand_rethrow): Check the return value from find_func_region.
12544 * function.c (expand_function_end): Emit the catch_clauses.
12546 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
12548 * integrate.c (expand_inline_function): Add necessary check for NULL.
12550 1999-11-18 Nick Clifton <nickc@cygnus.com>
12552 * toplev.c (main): Correctly detect an unrecognised option.
12554 * cppinit.c (cpp_handle_option): Do not claim to have consumed
12555 a -f option if it has not been recognised.
12557 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
12559 * basic-block.h (update_life_extent): Remove trailing comma on
12560 enumeration type list.
12562 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12564 * varasm.c (output_constructor) Solved problem with long long
12565 bitfields. Corrected calculating this_time and shift. Also
12566 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
12568 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
12570 * flow.c (split_edge): Take looping structure into account when
12571 determining where to put the new block note.
12573 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
12575 * Makefile.in (ggc-none.o): Provide host specific version if
12578 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
12580 * cse.c (delete_trivially_dead_insns): Identify no-op insns
12581 containing subregs too.
12583 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12585 * invoke.texi: Add documentation for -muninit-const-in-rodata.
12586 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
12587 (TARGET_UNINIT_CONST_IN_RODATA): Define.
12588 (text_section): Add switches -munint-const-in-rodata and
12589 -mno-uninit-const-in-rodata.
12590 (ASM_OUTPUT_COMMON): Remove.
12591 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
12592 const objects should be placed in read-only data. Otherwise declare
12595 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
12597 * jump.c (jump_optimize_1): Revert last change.
12599 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
12601 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
12602 test if optimizing for size.
12604 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12606 * Makefile.in (toplev.o): Depend on except.h.
12607 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
12609 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12611 * i386.md (divmodsi4): Rewrite to expander.
12612 (*divmodsi4_nocltd): New.
12613 (*divmodsi4_cltd): New.
12614 (divmodsi4 splitter): Handle the case when input comes in edx.
12615 (udivmodhi4): Do not use constraints in exander.
12616 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
12618 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
12620 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
12621 for the common case.
12623 1999-11-16 Jakub Jelinek <jakub@redhat.com>
12625 * explow.c (hard_function_value): Add outgoing argument.
12626 * expr.h (hard_function_value): Declare it.
12627 * calls.c (expand_call, emit_library_call_value): Update callers.
12628 * function.c (aggregate_value_p): Ditto.
12629 (diddle_return_value): Must look at the outgoing registers
12630 on archs with register windows.
12632 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
12634 * alpha.c (alpha_build_va_list): Use make_lang_type and
12635 initialize TYPE_NAME for the va_list record.
12637 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
12639 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
12641 * ggc.h (struct ggc_statistics): Rearrange elements for better
12642 packing on 64-bit hosts.
12643 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
12644 (compute_nearerout): Likewise.
12646 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
12648 * config/rs6000/rs6000.c (first_reg_to_save): Save
12649 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
12651 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
12653 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
12654 notion of nesting to find the DIE for a type or function.
12655 DIEs can go in limbo even if we got a context_die.
12656 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
12657 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
12659 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
12660 (gen_type_die): Writing out the context doesn't cause member class
12661 template instantiations to be written out as well.
12663 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
12665 * rs6000.h (ASM_OUTPUT_DEF): New.
12666 Based on proposed addition from David Edelsohn.
12668 1999-11-15 Robert Lipe <RobertLipe@usa.net>
12669 Bruce Korb <autogen@linuxbox.com>
12671 * fixinc/inclhack.def
12672 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
12673 (unixware7_byteorder_fix): added. Removes conflicts for new defs
12675 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
12676 (svr4_endian): enabled with SVR5
12677 (svr4_mkdev): simplified syntax and enabled with SVR5
12679 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
12681 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
12682 * configure: Rebuilt.
12683 * config/t-freebsd-thread: New file.
12685 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
12687 * i386.c (ix86_decompose_address): Verify the base is a REG
12688 before trying to examine its register number.
12690 * basic-block.h: Remove all #defines and prototypes related to
12692 (free_bb_mem, compute_preds_succs): Remove prototype.
12693 * rtl.h (free_bb_mem): Remove prototype.
12694 * flow.c (alloc_int_list_node); Remove function.
12695 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
12696 (compute_preds_succs, free_bb_mem): Likewise.
12697 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
12698 * toplev.c (rest_of_compilation): Likewise.
12699 * haifa-sched.c (build_control_flow): Use flow generated edge
12700 list to build the haifa specific edge list.
12701 (find_rgns): Use new CFG data structures instead of pred/succ lists.
12702 (schedule_insns): Do not build pred/succ lists anymore. Instead
12703 build the edge table.
12705 * basic-block.h (dump_bb_data): Remove declaration.
12706 * flow.c (dump_bb_data): Remove function.
12707 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
12708 (sbitmap_union_of_predsucc): Likewise.
12710 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
12711 argument. All callers changed.
12712 (delete_null_pointer_checks_1): No longer need to compute the
12715 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
12716 All callers changed.
12717 (pre_expr_reaches_here_p_work): Likewise.
12718 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
12719 * lcm.c (compute_laterin): Fix initialization of LATER.
12720 (compute_nearerout): Similarly for NEARER.
12722 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12724 * cse.c (set_nonvarying_address_components): Delete unused function.
12725 (refers_to_p): Likewise.
12727 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
12729 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
12732 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12734 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
12735 definition in do while (0).
12737 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
12739 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
12741 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
12743 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
12745 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12747 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
12748 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
12749 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
12750 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
12752 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
12753 saved on the stack. Output more accurate stack frame statistics
12754 into assembler file.
12756 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
12758 * genextract.c (record_insn_name): New function.
12759 (get_insn_name): No longer a stub.
12760 (main): Call record_insn_name for each insn. After each label
12761 written, print the insn name in a comment.
12763 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12765 * output.h (const_section, init_section, fini_section): Add
12768 * alpha/elf.h (const_section): Delete declaration.
12770 * svr4.h (const_section): Likewise.
12772 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
12774 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
12775 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
12776 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
12778 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
12779 variable-sized array bounds.
12781 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
12783 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
12786 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12788 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
12789 addresses the same way GO_IF_LEGITIMATE_INDEX does.
12791 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12793 * cse.c (hash_arg_in_struct): Delete.
12794 (struct table_elt): Delete elt in_struct.
12795 (struct set): Delete elt src_in_struct.
12796 (merge_equiv_classes): Don't set either hash_arg_in_struct or
12797 the corresponding in_struct elts.
12798 (canon_hash): Likewise.
12799 (safe_hash): Likewise.
12800 (find_best_addr): Likewise.
12801 (record_jump_cond): Likewise.
12802 (cse_insn): Likewise.
12804 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
12806 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
12808 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
12811 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
12813 * function.c (diddle_return_value): Put back check that the DECL_RTL
12814 for the function is a register.
12816 * function.c (diddle_return_value): Use hard_function_value to
12817 get an rtx suitable for use in the USE/CLOBBER insn.
12819 * global.c (global_conflicts): Update comments.
12820 (record_conflicts): No need to record conflicts between pseudos here.
12822 1999-11-11 Bruce Korb <autogen@linuxbox.com>
12824 * fixinc/fixincl.c: Added verbose levels for status messages
12826 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12828 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
12829 operand as argument to expand_and or expand_binop.
12831 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
12833 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
12834 gcc_add_string_root.
12836 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
12838 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
12840 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
12842 * flow.c (compute_flow_dominators): Initially put all blocks on
12844 * lcm.c (compute_antinout_edge, compute_available): Similarly.
12845 * gcse.c (compute_cprop_avinout): Remove.
12846 (compute_cprop_data): Use compute_available.
12847 (delete_null_pointer_checks_1): Use compute_available.
12849 * basic-block.h (compute_available): Returns a void now.
12850 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
12851 to return a value anymore.
12852 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
12853 worklists. Fix boundary cases. Compute maximal solutions.
12854 (compute_laterin, compute_nearerout): Similarly.
12856 * dwarf2out.c (add_AT_location_description): Allow
12857 (mem (plus (pseudo) (...)) too.
12859 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
12861 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
12863 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
12864 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12866 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
12868 * gansidecl.h: Likewise.
12874 * toplev.h: Likewise.
12876 * tree.c: Likewise.
12878 * tree.h: Likewise.
12880 * varray.c: Likewise.
12882 * varray.h: Likewise.
12884 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
12886 * gcov.c (struct arcdata): Add hits and total, remove prob.
12887 (output_branch_counts): New.
12888 (process_args): Set output_branch_counts if -c.
12889 (calculate_branch_probs): Store hits and total instead of
12891 (output_data): Emit counts if output_branch_counts is true.
12892 * gcov.texi (Invoking Gcov): Document -c switch..
12894 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
12896 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
12897 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
12899 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
12901 * invoke.texi (C Dialect Options): Add missing builtins from
12902 c-common.c to list.
12903 * extend.texi (Other Builtins): Copy to this list.
12905 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12907 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
12908 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
12909 redundant bitmap.h.
12911 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
12913 * flow.c (compute_flow_dominators): No longer treat basic block 0
12914 or (n_basic_blocks - 1) specially. Clear the AUX field before
12915 starting computation of doms/pdoms. Fix initial state for pdoms.
12917 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12919 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
12920 match rtl.o's: added ggc.h and toplev.h
12921 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
12922 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
12923 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
12925 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
12927 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
12928 from HAVE_DOS_BASED_FILESYSTEM.
12929 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
12930 HAVE_DOS_BASED_FILESYSTEM.
12932 (split_directories): Only special-case DOS file names if
12933 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
12934 instead of explicit tests. Conditionalize on !VMS.
12935 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
12936 tests. Conditionalize on !VMS.
12937 (process_command): Only use make_relative_prefix if !VMS.
12938 (free_split_directories): Conditionalize on !VMS.
12939 (DIR_UP): Conditionalize on !VMS.
12941 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
12943 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
12945 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
12947 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
12950 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
12952 * invoke.texi (Environment Variables): Document relative path
12954 * gcc.c (DIR_UP): If not defined, define as "..".
12955 (standard_bindir_prefix): New static, holds target location to
12957 (split_directories): New function to split a filename into
12958 component directories.
12959 (free_split_directories): New function, release memory allocated
12960 by split_directories.
12961 (make_relative_prefix): New function, make a relative pathname if
12962 the compiler is not in the expected location.
12963 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
12964 can figure out an appropriate prefix from argv[0].
12965 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
12966 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
12967 STANDARD_BINDIR_PREFIX.
12969 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12971 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
12973 * config/c4x/c4x.h: Moved prototypes to c4x.h.
12974 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
12975 c4x_secondary_memory_needed) Delete.
12976 (fp_zero_operand): Add mode argument.
12978 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
12980 * reload1.c (reload_reg_free_for_value_p): Don't use a register
12981 that is in reload_reg_used.
12983 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
12985 * config/arm/arm-protos.h: New file: Prototypes for functions
12986 defined in arm.c and pe.c.
12987 * config/arm/arm.h: Fix compile time warnings.
12988 * config/arm/arm.c: Fix compile time warnings.
12989 * config/arm/pe.h: Fix compile time warnings.
12990 * config/arm/aout.h: Fix compile time warnings.
12992 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
12994 * config/m32r/m32r-protos.h: New file: Prototypes for functions
12997 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
12998 Add support for subtargets.
12999 Add prototypes for new predicates.
13000 Add scheduling macros.
13002 * config/m32r/m32r.c: Fix compile time warnings.
13003 (int8_operand): New predicate function.
13004 (reg_or_cmp_int16_operand): New predicate function.
13005 (extend_operand): New predicate function.
13006 (m32r_adjust_code): New scheduling function.
13007 (m32r_adjust_priorty): New scheduling function.
13008 (m32r_sched_init): New scheduling function.
13009 (m32r_sched_reorder): New scheduling function.
13010 (m32r_sched_variable_issue): New scheduling function.
13011 (direct_return): New codegen function.
13012 (m32r_not_same_reg): New rtl testsing function.
13014 * config/m32r/m32r.md: Fix compile time warnings.
13015 Add support for pre decrement and post increment memory
13017 Add S<cc> patterns.
13020 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13022 * global.c (EXECUTE_IF_CONFLICT): Don't define.
13023 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
13024 (find_reg): Likewise.
13026 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
13028 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
13029 to avoid assembler errors.
13031 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
13033 * config/v850/v850-protos.h: New file: Prototypes for functions
13035 * config/v850/v850.h: Move prototypes to v850-protos.h
13036 * config/v850/v850.c: Move prototypes to v850-protos.h
13037 * config/v850/v850.md: Fix compile time warnings.
13039 * config/fr30/fr30-protos.h: New file: Prototypes for functions
13041 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
13042 * config/fr30/fr30.c: Fix compile time warnings.
13043 * config/fr30/fr30.md: Fix compile time warnings.
13045 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
13047 * tree.h (get_containing_scope): Declare it.
13048 * tree.c (get_containing_scope): New fucntion.
13049 (decl_function_context): Use it.
13050 * toplev.c (rest_of_compilation): Use get_containing_scope.
13052 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13054 * Makefile.in (rtl.o): Depend on toplev.h.
13056 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
13058 * cse.c (delete_trivially_dead_insns): Replace alloca with
13060 * except.c (update_rethrow_references): Likewise.
13061 (init_eh_nesting_info): Likewise.
13062 * function.c (identify_blocks): Likewise.
13063 * gcse.c (dump_hash_table): Likewise.
13064 * graph.c (print_rtl_graph_with_bb): Likewise.
13065 * loop.c (combine_movables): Likewise.
13066 (move_movables): Likewise.
13067 (count_loop_regs_set): Likewise.
13068 (strength_reduce): Likewise.
13069 * profile.c (compute_branch_probabilities): New function, split
13071 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
13072 * regclass.c (regclass): Likewise.
13073 * regmove.c (regmove_optimize): Likewise.
13074 * toplev.c (compile_file): Likewise.
13075 (main): Don't mess with the stack rlimit.
13077 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
13079 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
13080 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
13082 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
13084 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
13086 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
13088 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
13089 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
13092 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
13094 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
13096 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
13098 * gcse.c (post_dominators): Kill.
13099 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
13100 (compute_code_hoist_data): Use compute_flow_dominators. Do not
13101 pass in a pdom array since we do not need pdoms.
13102 * haifa-sched.c (schedule_insns): Similarly.
13103 * flow.c (compute_dominators): Remove dead function.
13104 (compute_flow_dominators): Do not compute doms or pdoms if the
13105 caller does not request them. Split up loop to build doms and
13106 pdoms. Use a worklist to compute doms and pdoms.
13107 * basic-block.h (compute_dominators): Remove prototype.
13109 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
13111 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
13112 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
13113 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
13114 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
13115 (cant_move, fed_by_spec_load, is_load_insn): Remove.
13116 (schedule_region): Remove unused variable.
13117 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
13119 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
13121 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
13122 (update_equiv_regs): Likewise.
13123 (block_alloc): Likewise.
13124 * reg-stack.c (reg_to_stack): Likewise.
13125 (convert_regs_2): Likewise.
13126 * reload1.c (reload_as_needed): Likewise.
13128 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
13130 * Makefile.in (dbxout.o): Depend on ggc.h.
13131 (dwarf2out.o): Likewise.
13132 (xcoffout.o): Likewise.
13133 * dbxout.c: Include ggc.h.
13134 (dbxout_init): Register lastfile as a root.
13135 * dwarf2out.c: Include ggc.h.
13136 (dwarf2out_line): Register lastfile as a root.
13137 * xcoffout.c: Include ggc.h.
13138 (xcoffout_source_line): Register xcoff_lastfile as a root.
13140 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
13142 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
13144 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
13146 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
13148 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13150 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13152 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
13153 (EXECUTE_IF_CONFLICT): Likewise.
13154 (ALLOCNO_LIVE_P): Avoid signed division.
13155 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
13156 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
13157 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
13159 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
13161 * haifa-sched.c (schedule_block): Don't crash if there's no
13162 next insn for an interblock movement.
13163 (add_branch_dependences): Don't allow clobber insns to move either.
13165 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
13167 * i386.c (split_xf): New.
13168 * i386-protos.h: Declare it.
13169 * i386.md (movxf_1): Add general regs alternatives.
13170 (movxf_1+1): New splitter for same.
13172 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
13174 * function.c (purge_addressof_1): Add missing return values.
13176 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
13178 * function.c (is_addressof): New function. Returns true if
13179 the given piece of RTL is an ADDRESSOF.
13180 (purge_addressof_1): Make boolean. Return false if the
13181 ADDRESSOFs could not be purged.
13182 (purge_addressof): If ADDRESSOFs could not be purged from the
13183 notes attached to an insn, remove the offending note(s),
13184 unless they are attached to a libcall.
13186 1999-11-05 Andreas Jaeger <aj@suse.de>
13188 * genoutput.c (null_operand =): Initialize all fields.
13190 * errors.h: Add extern to prototypes.
13192 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
13194 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
13195 * configure: Rebuilt.
13197 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13199 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
13200 (mirror_conflicts): New function.
13201 (global_alloc): Call it.
13202 (expand_preferences): Remove redundant CONFLICTP test.
13203 (find_reg, dump_conflicts): Likewise.
13204 (prune_preferences): Process conflicts one word at a time.
13206 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
13208 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
13209 instead of an explicit loop.
13211 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
13213 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
13214 if REG_RETVAL check succeeds, then put classp in src_elt.
13216 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
13218 * function.c (pad_to_arg_alignment): Only update argument_pad
13219 if the argument's alignment is greater than STACK_BOUNDARY.
13221 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
13223 * bitmap.h (BITMAP_XFREE): New.
13224 * flow.c (life_analysis): Use it.
13225 (life_analysis_1): Free blocks.
13227 * combine.c (undo_commit): New.
13228 (try_combine): Use it. Don't zap undobuf.undos.
13229 (combine_instructions): Don't zap undobuf.undos; free the
13230 undobuf.frees list.
13232 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
13234 * stmt.c (cost_table_): New.
13235 (estimate_case_costs): Use it instead of xmalloc.
13237 * toplev.c (compile_file): Reuse dumpname memory instead
13240 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
13242 * reg-stack.c (convert_regs_1): Initialize target_stack->top
13243 after verifying an EH edge.
13245 * haifa-sched.c (init_rgn_data_dependences): Correctly
13246 size bb_pending_lists_length when zeroing.
13248 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
13250 * function.c (diddle_return_value): New.
13251 (expand_function_end): Use it.
13252 * stmt.c (expand_null_return): Likewise.
13253 (expand_value_return): Likewise.
13255 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
13257 * reload1.c (reload): Don't remove return value clobbers.
13259 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
13261 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
13263 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
13265 * cse.c (cse_main): Use xmalloc, not alloca.
13266 (cse_basic_block): Likewise.
13267 * local-alloc.c (local_alloc): Likewise.
13269 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
13270 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13272 * rtl.c: Include toplev.h.
13273 (fatal): Remove declaration.
13275 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
13277 * haifa-sched.c (schedule_block): Fix thinko.
13279 1999-11-03 James McKelvey <mckelvey@fafnir.com>
13281 * fixinc/fixincl.c(create_file): Allow for systems that do not have
13282 S_IR* defined values
13284 1999-11-03 Philippe De Muyter <phdm@macqel.be>
13286 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
13287 call `malloc' instead.
13289 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
13291 * flags.h (flag_renumber_insns): Declare.
13292 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
13294 * rtl.h (renumber_insns): Change prototype.
13295 * toplev.c (flag_renumber_insns): Define.
13296 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
13298 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
13300 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
13301 and fpsqrtd. Use them and create fdiv function unit to more
13302 accurately represent fpu sqrt pipeline semantics on UltraSparc.
13303 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
13305 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
13307 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
13309 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
13310 insn into ready list, do not use just a raw swap.
13312 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
13314 * rtl.h (renumber_insns): New function.
13315 (remove_unnecessary_notes): Likewise.
13316 * emit-rtl.c (renumber_insns): Define.
13317 (remove_unncessary_notes): Likewise.
13318 * toplev.c (rest_of_compilation): Remove dead code.
13319 Use renumber_insns and remove_unncessary_notes.
13321 * gcse.c (struct null_pointer_info): New type.
13322 (get_bitmap_width): New function.
13323 (current_block): Remove.
13324 (nonnull_local): Likewise.
13325 (nonnull_killed): Likewise.
13326 (invalidate_nonnull_info): Take a null_pointer_info as input.
13327 (delete_null_pointer_checks_1): New function.
13328 (delete_null_pointer_checks): Use it.
13330 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
13331 (split_edges): Likewise.
13332 (schedule_block): Likewise.
13333 (compute_block_backward_dependencies): Likewise.
13334 (schedule_region): Likewise.
13335 (schedule_insns): Likewise.
13337 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
13339 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
13340 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
13341 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
13342 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
13343 * jump.c (delete_unreferenced_labels): Don't delete if
13344 LABEL_ALTERNATE_NAME is set.
13345 * print-rtl.c (print_rtx): Dump alternate name.
13346 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
13347 * rtl.h (LABEL_ALTERNATE_NAME): Define.
13348 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
13349 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
13351 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13353 * fix-header.c (recognized_extern, recognized_function): Constify
13356 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
13357 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13358 (compute_available): Remove unused variable `last'.
13359 (compute_nearerout): Remove unused variable `temp_bitmap'.
13360 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13361 Remove unused variable `x'.
13363 * scan.h (recognized_function, recognized_extern): Constify a
13366 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
13368 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13370 * varasm.c (decode_rtx_const): Use XSTR to access the string
13373 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
13375 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
13377 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13379 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
13381 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
13383 * pa.c (ireg_operand): New function.
13384 * pa.h (PREDICATE_CODES): Handle ireg_operand.
13385 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
13386 Fix out of date comment.
13388 * pa.md (negdi2): Turn into expander + anonymous pattern.
13390 * reload.c (find_reloads): Fix typos in recent change.
13392 * dwarf2out.c: Do not include ctype.h.
13394 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13396 * regclass.c (record_reg_classes): Always use may_move_cost when
13397 seeing how operand fits with various register classes.
13399 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
13401 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
13402 * toplev.c: Revert Nov 1 13:22 change.
13404 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
13406 * config/pa/pa.md (height reduction patterns): Add checks for
13407 overlapping operands to avoid semantic-destroying splits for
13408 height reduction patterns.
13410 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13412 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
13413 have been an hyphen, fixed.
13414 * configure: Rebuilt.
13416 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
13418 * config/arm/tpe.h: Add prototypes for exported functions.
13419 * config/arm/pe.c: Fix compile time warnings.
13420 * config/arm/semi.h: Fix compile time warnings.
13421 * config/arm/arm.c: Fix compile time warnings.
13422 * config/arm/arm.h: Fix compile time warnings.
13423 * config/arm/arm.md: Fix compile time warnings.
13424 * config/arm/thumb.c: Fix compile time warnings.
13425 * config/arm/thumb.h: Fix compile time warnings.
13426 * config/arm/thumb.md: Fix compile time warnings.
13428 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
13430 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
13433 * unroll.c (unroll_loop): Remove LOOP notes when loop is
13434 completely unrolled.
13436 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13438 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
13440 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
13442 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
13443 * rtl.h (rtx_equal_p): Move prototype.
13444 * rtl.c (rtx_equal_function_value_matters): Move from
13446 (rtx_equal_p): Likewise.
13447 * rtlanal.c (rtx_equal_function_value_matters): Delete.
13448 (rtx_equal_p): Likewise.
13450 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13452 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
13453 ! HAS_INIT_SECTION.
13455 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
13457 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
13459 * pa.h (ADDR_VEC_ALIGN): Define.
13461 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
13462 notes when presented with "if (foo) break; end_of_loop" and
13463 the break sequence gets moved out of the loop.
13465 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
13466 Remove explicit zero initializations of entries within MAP.
13468 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
13470 * reg-stack.c (convert_regs_1): Handle EH edges specially.
13472 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
13474 * bitmap.h (BITMAP_XMALLOC): New macro.
13475 * flow.c (CLEAN_ALLOCA): Remove.
13476 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
13477 (life_analysis): Likewise.
13478 (update_life_info): Don't use CLEAN_ALLOCA.
13479 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
13480 (calculate_global_regs_live): Likewise.
13481 (print_rtl_with_bb): Likewise.
13482 (verify_flow_info): Likewise.
13483 * global.c (global_alloc): Likewise.
13484 (global_conflicts): Likewise.
13485 * integrate.c (save_for_inline_nocopy): Likewise.
13486 (expand_inline_function): Likewise.
13487 * jump.c (jump_optimize_1): Likewise.
13488 (duplicate_loop_exit_test): Likewise.
13489 (thread_jumps): Likewise.
13490 * loop.c (loop_optimize): Likewise.
13491 (combine_givs): Likewise.
13492 (recombine_givs): Likewise.
13493 * reorg.c (dbr_schedule): Likewise.
13494 * unroll.c (unroll_loop): Likewise.
13496 * combine.c (combine_instructions): Use xmalloc instead of alloca.
13498 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
13500 * toplev.c (rest_of_compilation): Don't optimize the CFG
13501 when rebuilding, just before dbr.
13503 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13505 * output.h (assemble_end_function, assemble_destructor,
13506 assemble_constructor, assemble_gc_entry, assemble_global,
13507 assemble_label, output_constant_pool) Constify a char*.
13509 * varasm.c (assemble_destructor, assemble_constructor,
13510 assemble_gc_entry, assemble_end_function, assemble_global,
13511 assemble_label, output_constant_pool): Likewise.
13513 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
13515 * config/arm/thumb.c (thumb_expand_prologue): Add comments
13516 explaining what is goin on in this function.
13518 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13520 * regclass.c (record_reg_classes): In matching case, recompute
13521 costs since the direction of movement is different.
13523 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13525 * resource.c (mark_target_live_regs): For unconditional branches,
13526 the resources found at the branch target should be added to the
13527 resources found so far, not intersected.
13529 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
13531 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
13533 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
13534 (sys/mman.h): Include this file only if #HAVE_MMAP.
13535 (run_compiles): Initialize `esac_fmt' with one old KR string, not
13536 with automatically concatenated ANSI strings.
13538 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
13540 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
13541 (DIV_ROUND_UP): Robustify.
13542 (ggc_recalculate_in_use_p): New function.
13543 (release_pages): Don't inline it.
13544 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
13546 (ggc_pop_context): Use ggc_recalculate_in_use_p.
13547 (clear_marks): Always save in_use_p.
13548 (sweep_pages): Use ggc_recalculate_in_use_p.
13549 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
13550 Release pages before counting statistics.
13552 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
13554 * toplev.c (rest_of_compilation): Fix thinko in this change:
13556 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13558 (rest_of_compilation): If inside an inlined external function,
13559 pretend we are just being declared.
13561 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
13563 * flow.c (calculate_global_regs_live): Fix thinko.
13565 * integrate.c (expand_inline_function): Fix bugs in previous
13566 change from Oct 28, 1999.
13568 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
13570 * stmt.c (expand_value_return): Fix typo in this change:
13572 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13573 (expand_value_return): Correctly convert VAL when promoting function
13574 return; support RETURN_REG being a PARALLEL.
13576 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
13578 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
13580 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13582 * hard-reg-set.h (reg_names): Constify a char*.
13584 * regclass.c (reg_names): Likewise.
13586 * regs.h (reg_names): Likewise
13588 * a29k/a29k.c (reg_names): Delete declaration.
13590 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
13592 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
13593 arc_output_function_epilogue): Likewise.
13595 * elxsi/elxsi.c (reg_names): Likewise.
13597 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
13599 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
13602 * m88k/m88k.c (output_function_profiler): Likewise.
13604 * sparc/sparc.c (sparc_flat_output_function_prologue,
13605 sparc_flat_output_function_epilogue): Likewise.
13607 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
13609 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
13610 warning from -Wuninitialized and put it under -W.
13611 * function.c (uninitialized_vars_warning): Warn only when the
13612 corresponding flag is set.
13614 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
13616 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
13617 is nonzero and the single set does not have an elt, then assign
13620 * simplify-rtx.c: New file.
13621 * Makefile.in (OBJS): Add simplify-rtx.o
13622 (simplify-rtx.o): Add dependencies.
13623 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
13624 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
13625 (cse_gen_binary, simplify_unary_operation): Delete.
13626 (simplify_binary_operation, simplify_plus_minus): Likewise.
13627 (check_fold_consts, simplify_relation_operation): Likewise.
13628 (simplify_ternary_operation): Likewise.
13629 (delete_trivially_dead_insns): Simplify the contents of the
13630 REG_EQUAL note before trying to substitute it into the source
13631 of the reg-reg copy at the end of a libcall sequence.
13633 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
13634 references/callers changed.
13636 * mn10200.c (mn10200_va_arg): Force the return value into a
13639 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
13641 * cccp.c (macroexpand): Avoid out of range accesses for omitted
13644 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
13646 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
13648 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
13650 * fold-const.c (fold): Fix thinko when optimizing comparisons
13653 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
13655 * gcc.texi (Passes): Update front-end files to their current
13658 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
13660 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
13661 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
13662 (PREDICATE_CODES): Add addition_operation.
13663 * alpha-protos.h (addition_operation): Declare.
13664 (secondary_reload_class): Likewise.
13665 * alpha.c (addition_operation): New.
13666 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
13667 * alpha.md (adddi3): Turn into expander.
13668 (*lda, *adddi_2): New.
13669 (movsf, movdf patterns): Don't preference integer regs.
13670 (movsi, movdi patterns): Don't preference fp regs.
13672 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
13674 * genrecog.c (write_switch): Check for duplicate CODE cases.
13676 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
13678 * ggc-common.c: Update pre-function commentary.
13679 * ggc-page.c: Likewise.
13681 (poison_pages): Use memset directly.
13682 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
13683 (ggc_collect): Poison before sweeping.
13684 * ggc-simple.c: Update pre-function commentary.
13685 (ggc_alloc_obj): Poison non-zeroed memory.
13687 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
13689 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
13690 match format string, even on 64-bit hosts.
13691 * gcc-page.c (ggc_page_print_statistics): Likewise.
13693 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
13695 * config/i386/i386.c (ix86_cpu): Revert last patch.
13696 * config/i386/i386.h (ix86_cpu): Ditto.
13698 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
13700 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
13701 TYPE_SIZE, convert type of result to sizetype.
13703 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
13705 * flow.c (count_or_remove_death_notes): Equate NULL with the
13708 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
13709 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
13712 * i386.c (pic_label_no): Delete.
13713 (ix86_attr_length_default): Don't use single_set to peek
13716 * recog.c (peephole2_optimize): Allow recog_next_insn to index
13717 the first insn after bb->end.
13718 * i386.md (push mem peeps): Scratch is live after evaluation
13720 (cmp mem peep): Similarly.
13722 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
13724 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
13725 * function.c (pad_to_arg_alignment): Add missing braces.
13727 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13729 * alpha/alpha-protos.h (literal_section): Add prototype.
13730 (alpha_need_linkage, alpha_start_function,alpha_end_function):
13733 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
13735 (alpha_start_function, alpha_end_function, float_strings,
13736 alpha_need_linkage): Constify a char*
13738 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
13740 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
13742 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13744 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13746 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13748 * flow.c (debug_flow_info): Add prototype.
13750 * gcc.c (main): Likewise.
13752 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
13755 * reload1.c (failed_reload, set_reload_reg): Likewise.
13757 * mips-tfile.c (main): Likewise.
13758 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
13759 with ATTRIBUTE_NORETURN.
13761 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
13763 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
13764 DECL is not a memory ref.
13766 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
13768 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
13769 * config/i386/i386.c (ix86_cpu): Add extern attribute.
13771 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
13773 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
13774 * config/mips/elf64.h: ditto.
13776 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
13778 * expr.c (emit_push_insn): New argument alignment_pad.
13779 Update all callers. Adjust stack pointer based on alignment pad.
13780 * function.c (pad_to_arg_alignment): New argument alignment_pad.
13781 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
13782 (locate_and_pad_parm): New argument alignment_pad. Update all
13784 * expr.h (emit_push_insn): Update prototype.
13785 (locate_and_pad_parm): Update prototype.
13786 * calls.c (arg_data): Add new field alignment_pad.
13787 (initialize_argument_information): Initialize alignment_pad.
13789 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
13791 * except.c (free_eh_nesting_info): Free the info itself.
13792 * function.c (free_after_compilation): Don't free NULL.
13793 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
13794 (pre_edge_insert): Free inserted.
13795 * stmt.c (free_stmt_status): Don't free NULL.
13797 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13799 * gcov.c (DIR_SEPARATOR): Provide default.
13800 (output_data): Add test for MS-DOS format absolute filename.
13801 (fancy_abort): Correct program name.
13802 (open_files): Open all files in binary mode.
13803 * libgcc2.c (__bb_exit_func): Likewise.
13805 * profile.c (init_branch_prob): Specify binary when opening files.
13807 * flags.h (flag_unwind_tables): New decl.
13808 * toplev.c (flag_unwind_table): New definition.
13809 (f_options): Add -funwind-tables.
13810 (decode_g_option): Clarify warning when unknown -g option is given.
13811 (rest_of_compilation): If inside an inlined external function,
13812 pretend we are just being declared.
13814 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
13815 (dwarf2out_frame_finish): Likewise.
13817 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
13819 * fold-const.c (merge_ranges): If not in0, but in1, handle
13820 upper bounds equal like subset case.
13822 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
13824 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
13825 passed in a register but moved to the stack.
13827 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
13829 * gcc.c (pass_exit_codes, greatest_status): New variables.
13830 (struct option_map): Add entry for "--pass-exit-codes".
13831 (execute): Update greatest_status if error.
13832 (display_help): Add documentation for -pass-exit-codes.
13833 (process_command): Handle -pass-exit-codes.
13834 (main): Look at pass_exit_codes and greatest_status on call to exit.
13836 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13838 * reload.c (find_reloads): Refine test for no input reload
13839 case to not includes reloads emitted after insn.
13841 * function.c (find_temp_slots_from_address): Handle sum involving
13842 a register that points to a temp slot.
13843 (update_temp_slot_address): Make recursive call if both old and
13844 new are PLUS with a common operand.
13845 * calls.c (expand_call): Mark temp slot for result as having
13848 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
13850 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
13851 component as well as "BINUTILS".
13853 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
13854 * integrate.c (copy_rtx_and_substitute): Likewise.
13855 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
13856 All callers changed.
13857 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
13859 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
13860 gdb extensions, write size of type; also be more consistent
13861 in using references when this is a subtype.
13863 * pa.md (extv, extzv, insv): Use define_expand to reject constant
13864 that is out of range.
13866 * loop.c (unknown_constant_address_altered): New variable.
13867 (prescan_loop): Initialize it.
13868 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
13869 (invariant_p, case MEM): Remove handling for volatile and readonly;
13870 check new variable if readonly.
13871 (check_dbra_loop): Chdeck unknown_constant_address_altered.
13873 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
13874 (addr_affects_sp_p): Removed from note_mem_written and only
13875 define #ifdef AUTO_INC_DEC.
13877 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
13879 * regclass.c (record_reg_classes): Properly handle register move
13882 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
13883 Don't think valid if both operands are invalid.
13884 (struct constant_descriptor): New field RTL.
13885 (mark_const_hash_entry): Mark it.
13886 (record_constant{,_rtx}): Initialize it.
13887 (output_constant_def): Allocate RTL in permanent obstack and
13889 ({record,compare}_constant_1): Modes must match for
13890 CONSTRUCTOR of ARRAY_TYPE.
13892 * c-common.h (initializer_constant_valid_p): Delete decl from here.
13893 * output.h (initializer_constant_valid_p): Move decl to here.
13894 * c-common.c (initializer_constant_valid_p): Delete function from here.
13895 * varasm.c (initializer_constant_valid_p): Move function to here.
13897 * tree.h (STRIP_SIGN_NOPS): New macro.
13898 * fold-const.c (optimize_minmax_comparison): New function.
13899 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
13900 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
13901 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
13902 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
13903 widening conversions.
13904 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
13905 to look at size of mode, not precision of type; also add missing cases.
13906 (optimize_bit_field_compare, decode_field_reference): Don't try to
13907 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
13909 * dwarf2out.c (ctype.h): Include.
13910 (dwarf2out_set_demangle_name_func): New function.
13911 (size_of_line_info): Deleted.
13912 (output_line_info): Compute size of line info table from difference
13914 (base_type_die, add_name_attribute): Call demangle function, if any.
13915 (field_byte_offset): Use bits per word for variable length fields.
13916 (gen_array_type_die): Add array name.
13917 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
13918 (dwarf2out_add_library_unit_info): New function.
13920 * explow.c (set_stack_check_libfunc): New function.
13921 (stack_check_libfunc): New static variable.
13922 (probe_stack_range): Allow front-end to set up a libfunc to call.
13924 * combine.c (simplify_comparison): When making comparison in wider
13925 mode, check for having commuted an AND and a SUBREG.
13926 (contains_muldiv): New function.
13927 (try_combine): Call it when dividing a PARALLEL.
13928 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
13929 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
13931 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
13932 use one of the CLOBBERs instead.
13933 (if_then_else_cond): If comparing against zero, just return thing
13936 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
13937 Don't generate shifts and subtract if have conditional arithmetic.
13939 * rtl.h (delete_barrier): New declaration.
13940 * jump.c (jump_optimize): Set up to handle conditional call.
13941 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
13942 (delete_barrier): New function.
13944 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
13946 * recog.c (nonmemory_operand): Accept ADDRESSOF.
13948 * tree.c (build_type_attribute_variant): Push to obstack of
13949 ttype around type_hash_canon call.
13951 * expr.c (placeholder_list): Move decl to file scope.
13952 (expand_expr): Don't force access to volatile just because its
13954 If ignoring reference operations, just expand the operands.
13955 (expand_expr, case COMPONENT_REF): Propagate
13956 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
13957 Refine test for using bitfield operations vs pointer punning.
13958 (expand_expr, case CONVERT_EXPR): If converting to
13959 BLKmode UNION_TYPE from BLKmode, just return inner object.
13960 Use proper mode in store_field call.
13961 Properly set sizes of object to store and total size in store_field
13962 call for convert to union.
13963 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
13964 memory (like for ADDR_EXPR). Also, don't put constant in register if
13965 we'll want it in memory.
13966 (readonly_fields_p): New function.
13967 (expand_expr, case INDIRECT_REF): Call it if LHS.
13968 (expand_assignment): Handle a RESULT_DECL where
13969 DECL_RTL is a PARALLEL.
13970 (do_jump, case WITH_RECORD_EXPR): New case.
13971 (get_inner_reference): Always go inside a CONVERT_EXPR
13972 and NOP_EXPR if both modes are the same.
13973 (store_field): Use bitfield operations if size of bitsize is not same
13974 as size of RHS's type.
13975 Check for bitpos not a multiple of alignment in BLKmode case.
13976 Do block move in largest possible alignment.
13977 (store_constructor): Set BITSIZE to -1 for variable size and properly
13978 in case of array of BLKmode.
13979 (expand_expr_unaligned): New function.
13980 (do_compare_and_jump): Call it.
13982 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
13983 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
13984 does not include 'o'.
13986 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
13987 both SET_DEST and SET_SRC reference a virtual register.
13988 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
13990 * integrate.c (expand_inline_function): Handle case of setting
13991 virtual stack vars register (from built in setjmp); when parameter
13992 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
13993 (subst_constant): Add new parm, MEMONLY.
13994 (expand_inline_function, integrate_parm_decls): Pass new parm.
13995 (integrate_decl_tree): Likewise.
13996 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
13997 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
13998 (copy_rtx_and_substitute, case SET): Add explicit calls to
13999 copy_rtx_and_substitute for both sides.
14001 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
14003 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
14004 within INDEX_TYPE, instead of before.
14005 (fixup_gotos): Use f->target_rtl, not the next insn,
14006 since latter may be from a later fixup.
14007 (expand_value_return): Correctly convert VAL when promoting function
14008 return; support RETURN_REG being a PARALLEL.
14009 (expand_return): When checking for result in regs and having
14010 cleanup, consider PARALLEL in DECL_RTL as being in regs.
14012 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
14014 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
14015 last_nominal_fname): Mark const.
14016 (struct include_hash: name, nshort, control_macro): Mark
14018 (struct macrodef: symnam): Mark const.
14019 (struct if_stack: fname): Mark const.
14020 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
14021 (IStable): New character-syntax array which encompasses all
14022 the old is_foo arrays.
14023 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
14024 is_space): New macros for interrogating IStable.
14025 (check_macro_name): Kill last argument. All callers changed.
14027 * cppinit.c (initialize_char_syntax): Delete.
14028 (is_idchar, is_idstart, is_hor_space, is_space,
14029 trigraph_table): Delete.
14030 (IStable): New. Initialize with clever macros to avoid
14031 information duplication.
14032 (builtin_array): Table of builtins to get rid of explicit list
14033 in initialize_builtins.
14034 (initialize_builtins): Use builtins_array.
14035 (cpp_start_read): Call init_IStable, and set IStable['$'] if
14036 opts->dollars_in_ident.
14038 * cppexp.c: Change all refs to is_xyz[] arrays to use new
14040 (cpp_parse_expr): Avoid 'format string is not constant'
14041 warning. Use ISGRAPH to identify printable chars.
14042 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
14044 (read_and_prescan): Map trigraphs to chars with open-coded
14045 if-else-if-... sequence, not a lookup table.
14046 * cpphash.c: Change all refs to is_xyz[] arrays to use new
14048 * cpplib.c: Change all refs to is_xyz[] arrays to use new
14049 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
14050 (check_macro_name): Remove ability to report an invalid
14051 assertion name, which is never used.
14052 (do_line): Constify a couple of char *'s.
14053 * cppmain.c (main): Call cpp_cleanup before returning.
14055 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
14057 * ggc.h (struct ggc_statistics): New type.
14058 (ggc_get_size): New function.
14059 (ggc_print_statistics): Likewise.
14060 * ggc-common.c (ggc_stats): New variable.
14061 (ggc_mark_rtx_children): Keep statistics.
14062 (ggc_mark_tree_children): Likewise.
14063 (ggc_print_statistics): New function.
14064 * ggc-page.c (struct globals): Add bytes_mapped field.
14065 (alloc_anon): Update it.
14066 (release_pages): Likewise.
14067 (ggc_get_size): New function.
14068 (ggc_page_print_statistics): New function.
14069 * ggc-simple.c (ggc_get_size): New function.
14071 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
14073 * flow.c (propagate_block): When the last reference to a label
14074 before an ADDR_VEC is deleted because the reference is a dead
14075 store, delete the ADDR_VEC.
14077 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
14079 * resource.c (find_free_register): Don't use the frame pointer
14080 if frame_pointer_needed.
14082 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
14084 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
14085 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
14087 * config/i960/i960.c (i960_va_start): New locals base, num.
14088 Use INDIRECT_REF instead of ARRAY_REF on valist.
14089 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
14091 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
14093 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
14095 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
14097 * tree.def (PLACEHOLDER_EXPR): Update comments.
14099 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14101 * c-common.c (check_format_info): Avoid non-literal format string
14102 warnings when `first_arg_num' is zero.
14104 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14106 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
14108 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
14110 * arm.md (casesi_insn): Add a clobber of the condition code
14113 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
14115 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
14116 used by both cc1 and cc1plus.
14118 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
14120 * config/arm/arm.c: Initialise arm_structure_size_boundary to
14121 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
14122 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
14123 to the value 32 if it has not already been defined.
14124 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
14125 Override definition in arm.h with a value of 8.
14127 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
14129 * c-pragma.c (push_alignment): Don't check the return value
14132 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
14134 * sparc.h (ADJUST_COST): Fix thinko.
14136 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
14138 * cccp.c (rescan): Fixed obp pointer handling around call to
14139 check_expand subroutine.
14141 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
14143 * gcse.c (delete_null_pointer_checks): Only record non-null info
14144 for pseudos when examining stores.
14146 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
14147 splitters for these patterns. Use "#" for output templates.
14148 (addsi3_carryin_shift): New pattern.
14150 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
14152 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
14153 of the function return register into a plain REG until
14154 after function inlining is done.
14156 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14158 * jump.c (jump_optimize_1): If we did cross-jumping, and
14159 the data will matter, rebuild the CFG.
14160 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
14161 not optimizing. Don't run shorten_branches.
14162 * toplev.c (rest_of_compilation): Run shorten_branches after
14165 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
14167 * rtl.h (note_stores): Add additional paramter.
14168 * rtlanal.c (reg_set_p_1): Take additional paramter.
14169 (reg_set_last_1): Likewise.
14170 (reg_set_p): Adjust call to note_stores.
14171 (reg_set_last): Likewise.
14172 (note_stores): Pass data parameter to worker function.
14173 * alias.c (record_set): Take additional parameter.
14174 (init_alias_analysis): Pass it.
14175 * caller-save.c (mark_set_regs): Take additional parameter.
14176 (save_call_clobbered_regs): Pass NULL to note_stores.
14177 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
14179 (record_dead_and_set_regs_1): Likewise.
14180 (reg_dead_at_p_1): Likewise.
14181 (combine_instructions): Adjust calls to note_stores.
14182 (try_combine): Likewise.
14183 (record_dead_insn): Remove.
14184 (record_dead_and_set_regs): Adjust calls to note_stores.
14185 (reg_dead_at_p): Likewise.
14186 * cse.c (invalidate_skipped_set): Take additional parameter.
14187 (cse_check_loop_start): Likewise.
14188 (cse_check_loop_start_value): Remove.
14189 (cse_set_around_loop): Adjust calls to note_stores.
14190 * flow.c (notice_stack_pointer_modification): Take additional
14191 parameter. Remove duplicate declaration.
14192 (record_volatile_insns): Adjust calls to note_stores.
14193 * gcse.c (record_set_info): Take additional parameter.
14194 (record_last_set_info): Likewise.
14195 (invalidate_nonnull_info): Likewise.
14196 (record_set_insn): Remove.
14197 (compute_sets): Adjust calls to note_stores.
14198 (last_set_insn): Remove.
14199 (compute_hash_table): Adjust calls to note_stores.
14200 (insert_insn_end_bb): Likewise.
14201 (delete_null_pointer_checks): Likewise.
14202 * global.c (mark_reg_store): Take additional parameter.
14203 (mark_reg_clobber): Likewise.
14204 (reg_becomes_live): Likewise.
14205 (global_conflicts): Adjust calls to note_stores.
14206 (build_insn_chain): Likewise.
14207 * integrate.c (note_modified_parmregs): Take additional parameter.
14208 (mark_stores): Likewise. Make it static.
14209 (save_for_inline_nocopy): Adjust calls to note_stores.
14210 (try_constants): Likewise.
14211 * integrate.h (mark_stores): Remove declaration.
14212 * jump.c (mark_modified_reg): Take additional parameter.
14213 (thread_jumps): Adjust calls to note_stores.
14214 * local-alloc.c (validate_equiv_mem_from_store): Take additional
14216 (no_equiv): Likewise.
14217 (reg_is_set): Likewise.
14218 (validate_equiv_mem): Adjust calls to note_stores.
14219 (update_equiv_regs): Likewise.
14220 (block_alloc): Likewise.
14221 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
14222 (note_addr_stored): Take additional parameter.
14223 (note_set_pseudo_multiple_uses): Likewise.
14224 (record_initial): Likewise.
14225 (prescan_loop): Adjust calls to note_stores.
14226 (strength_reduce): Likewise.
14227 (check_dbra_loop): Likewise.
14228 * regmove.c (flags_set_1): Take additional paramter.
14229 (mark_flags_life_zones): Adjust calls to note_stores.
14230 * reload1.c (mark_not_eliminable): Take additional parameter.
14231 (forget_old_reloads_1): Likewise.
14232 (reload_cse_invalidate_rtx): Likewise.
14233 (reload_cse_check_clobber): Likewise.
14234 (reload_combine_note_store): Likewise.
14235 (move2add_note_store): Likewise.
14236 (reload): Adjust calls to note_stores.
14237 (reload_as_needed): Likewise.
14238 (emit_reload_insns): Likewise.
14239 (reload_cse_regs_1): Likewise.
14240 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
14241 (reload_combine): Adjust calls to note_stores.
14242 * resource.c (update_live_status): Take additional paramter.
14243 (mark_target_live_regs): Adjust calls to note_stores.
14244 * stupid.c (find_clobbered_regs): Take additional parameter.
14245 (stupid_life_analysis): Adjust calls to note_stores.
14247 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
14249 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
14252 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
14255 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
14256 of the variable arm_structure_size_boundary.
14258 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
14260 * alias.c (init_alias_analysis): Allocate reg_known_value and
14261 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
14263 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
14264 * cse.c (cse_main): Call end_alias_analysis.
14265 * haifa-sched.c (schedule_insns): Likewise.
14266 * local-alloc. (update_equiv_regs): Likewise.
14267 * reload1.c (reload_cse_regs): Likewise.
14269 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14271 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
14272 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
14273 mapping from MASK_FPU.
14275 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
14277 * sparc.md (call): Don't bound structure return size to 0xfff.
14279 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
14281 * resource.c (mark_target_live_regs): Check that the target
14282 insn wasn't created after compute_bb_for_insn.
14284 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
14286 * ggc-page.c (poison_pages): Don't be overzealous.
14288 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
14290 * alias.c: Update comments for ADDRESS.
14291 (nonlocal_reference_p): Look inside the ADDRESS to determine if
14292 it is a local memory reference.
14294 * c-typeck.c (build_function_call): Check that the built-in
14295 function is of class BUILT_IN_NORMAL before trying to recongize
14296 it as BUILT_IN_ABS.
14297 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
14298 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
14300 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
14302 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
14304 (pre_gcse): Likewise.
14305 (hoist_expr_reaches_here_p): Likewise.
14306 (hoist_code): Likewise.
14307 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
14309 (pre_expr_reaches_here_p_work): ... here.
14310 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
14312 (expr_reaches_here_p_work): ... here.
14314 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
14316 * resource.c (find_basic_block): Delete.
14317 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
14318 (init_resource_info): Call compute_bb_for_insn.
14320 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
14322 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
14323 with already adjacent blocks, but no fallthru.
14324 (merge_blocks_move_successor_nojumps): Simplify.
14325 (debug_flow_info): New.
14327 * toplev.c (rest_of_compilation): Open jump1 dump file before
14328 jump and close after, as opposed to just using dump_rtl.
14330 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14332 * reload.h (earlyclobber_operand_p): Declare.
14333 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
14334 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14335 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
14336 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
14338 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14339 Richard Henderson <rth@cygnus.com>
14341 * emit-rtl.c (emit_block_insn_before): New.
14342 (emit_block_insn_after): New.
14343 * basic-block.h: Declare them.
14345 * bitmap.h: Protect from multiple inclusion.
14347 * recog.c (scratch_operand): Handle VOIDmode correctly.
14349 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
14351 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
14352 * function.c (assign_parms): Likewise.
14353 * global.c (global_conflicts): Clarify STACK_REGS commentary.
14355 * reg-stack.c (max_uid): Remove.
14356 (blocks, block_begin, block_end, block_drops_in): Remove.
14357 (block_stack_in, block_out_reg_set, block_number): Remove.
14358 (struct block_info_def, BLOCK_INFO): New.
14359 (enum emit_where): New.
14360 (current_block): New.
14361 (BLOCK_NUM): Remove.
14362 (mark_regs_pat, record_label_references): Remove.
14363 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
14365 (goto_block_pat, print_blocks, dump_stack_info): Remove.
14366 (reg_to_stack): Simplified test for existance of fp code. Use
14367 flow.c code. Call shorten_branches after cross-jump opt.
14368 (check_asm_stack_operands): Renamed from record_asm_reg_life.
14369 Return false if the asm doesn't use stack regs. Don't do life
14370 analysis on the asm.
14371 (emit_pop_insn): Replace function pointer arg `when' with
14372 enum `where'. Update all callers.
14373 (change_stack): Likewise. Update basic block end.
14374 (emit_swap_insn): Use current_block->head to limit reverse search
14375 for start of block. Use emit_block_insn_after.
14376 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
14377 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
14378 structure assignment instead of bcopy.
14379 (print_stack): New.
14380 (convert_regs_entry, convert_regs_exit): New.
14381 (convert_regs_1, convert_regs_2): Split out from convert_regs.
14382 Work on basic blocks and the CFG.
14383 (convert_regs): Use them.
14385 * i386.c (output_fix_trunc): Remove code for DImode input operand
14386 not at top-of-stack.
14387 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
14389 (fix_truncdi_1): Allow any mode scratch.
14391 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
14393 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
14394 * linux.h, netbsd.h, vms.h: Not here.
14396 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
14398 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
14399 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
14400 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
14401 CONDITIONAL_REGISTER_USEAGE): Use them.
14402 * config/mips/mips.c (mips_move_1word,mips_move_2words,
14403 gen_conditional_branch,override_options) : Use them.
14404 * config/mips/mips.md : Use them.
14406 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
14408 * i386.md (zero_extendqihi2): Use SImode register name with andl.
14410 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
14412 * integrate.c (function_cannot_inline_p): Don't allow inlining
14415 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14417 * c-parse.in (cast_expr): Constify.
14419 * cccp.c (special_symbol): Likewise.
14421 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
14423 * dwarf2out.c (base_type_die): Likewise.
14425 * global.c (allocno_compare): Likewise.
14427 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
14429 * regclass.c (fix_register): Likewise.
14431 * rtl.h (fix_register): Likewise.
14433 * stupid.c (stupid_reg_compare): Likewise.
14435 * toplev.c (decode_f_option): Likewise.
14437 * tree.c (build_complex_type): Likewise.
14439 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
14441 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
14443 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14445 * reload.c (find_reloads): Compute mode and nregs fields of all
14447 * reload1.c (calculate_needs_all_insns): Simplify a bit.
14448 (calculate_needs): Use precomputed mode/nregs values.
14449 (allocate_reload_reg): Likewise.
14451 (failed_reload, set_reload_reg): ... new functions.
14452 (choose_reload_regs_init): New function, mostly broken out from...
14453 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
14454 Also lose one #if 0 block.
14456 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
14458 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
14461 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
14463 * tree.h (BLOCK_TYPE_TAGS): Remove.
14464 (BLOCK_END_NOTE): Likewise.
14465 (BLOCK_LIVE_RANGE_FLAG): Likewise.
14466 (BLOCK_LIVE_RANGE_START): Likewise.
14467 (BLOCK_LIVE_RANGE_END): Likewise.
14468 (tree_block): Remove live_range_flag, live_range_var_flag, and
14469 type_tags. Remove end_note, live_range_start, and live_range_end.
14470 (remember_end_note): Remove prototype.
14471 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
14472 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
14474 * ggc-common.c (ggc_mark_tree_children): Don't mark
14475 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
14476 * integrate.c (adjust_copied_decl_tree): Remove.
14477 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
14478 * stmt.c (last_block_end_note): Remove.
14479 (init_stmt): Don't add a GC root for it.
14480 (expand_fixup): Don't set it.
14481 (remember_end_note): Remove.
14482 (expand_end_bindings): Don't set last_block_end_note.
14484 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14486 * reload1.c (reload_reg_free_for_value_p): Show
14487 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
14490 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
14492 * expmed.c (extract_bit_field): Allow for the case of non-integer
14493 objects that are smaller than a word (like SFmode on a 64-bit
14496 * loop.c (basic_induction_var): A non-integer variable which is
14497 being set by a paradoxical subreg is probably not a biv.
14499 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14501 * prefix.c (translate_name) Check for empty prefix string.
14503 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
14505 * Makefile.in (CPP_CROSS_NAME): New variable.
14506 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
14508 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
14509 names of the files to be uninstalled.
14511 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
14513 * collect2.c (IS_DIR_SEPARATOR): Define.
14514 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
14516 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
14519 * haifa-sched.c (add_dependence): Update the true dependency
14520 cache the first time we add a true dependence to the LOG_LINKS chain.
14522 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
14524 * fold-const.c (fold): Fix comment.
14526 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14528 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
14529 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
14530 dbxout_start_new_source_file, dbxout_source_file,
14531 dbxout_source_line, dbxout_finish, dbxout_type_fields,
14532 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
14534 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
14535 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
14536 (dbxout_block): Initialize variable `blocknum'.
14538 * dbxout.h (dbxout_init, dbxout_finish,
14539 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
14540 dbxout_args, dbxout_source_line): Constify a char*.
14542 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
14543 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
14544 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
14545 low_pc_attribute, high_pc_attribute, body_begin_attribute,
14546 body_end_attribute, comp_dir_attribute, sf_names_attribute,
14547 src_info_attribute, mac_info_attribute, producer_attribute,
14548 lookup_filename, generate_macinfo_entry, fundamental_type_code,
14549 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
14550 dwarfout_undef): Constify a char*.
14551 (add_incomplete_type, retry_incomplete_types): Add prototypes.
14553 * dwarfout.h (dwarfout_define, dwarfout_undef,
14554 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
14556 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
14558 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
14559 (MULTILIB_ISA_DEFAULT): New.
14560 (MULTILIB_DEFAULTS): Use it.
14561 * config/mips/mips.c (): Remove the now unnecessary definition
14562 of MIPS_ISA_DEFAULT.
14563 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
14564 unnecessary definition.
14566 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
14568 * arm.md (pic_load_addr): Add constraints to operand 1.
14570 1999-10-25 Bruce Korb <autogen@linuxbox.com>
14572 * fixinc/genfixes: Provide a means for specifying -D options to
14575 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
14577 * arm.c (arm_override_options): Correct initialization of
14578 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
14579 arm_is_strong, and arm_is_6_or_7.
14581 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
14582 (note_set_pseudo_multiple_uses): New function.
14583 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
14584 if a pseudo set in the loop exit is used elsewhere.
14586 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
14588 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
14590 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
14592 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
14593 a single load-address pattern.
14595 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
14597 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
14598 depending on whether or not line-number notes are present.
14600 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14602 * cccp.c (progname, file_buf, default_include, include_file,
14603 macrodef, definition, hashval, wchar_type, user_label_prefix,
14604 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
14605 expand_to_temp_buffer, is_system_include, base_name,
14606 absolute_filename, read_name_map, open_include_file,
14607 record_control_macro, check_precompiled, check_preconditions,
14608 pcfinclude, pass_thru_directive, create_definition,
14609 check_macro_name, comp_def_part, collect_expansion,
14610 check_assertion, read_token_list, assertion_install,
14611 assertion_lookup, eval_if_expression, conditional_skip,
14612 validate_else, skip_quoted_string, quote_string, macarg1,
14613 error_from_errno, install, lookup, hashf, dump_defn_1,
14614 perror_with_name, pfatal_with_name, main, trigraph_pcp,
14615 check_white_space, rescan, handle_directive, monthnames,
14616 special_symbol, do_include, remap_include_file, write_output,
14617 arglist, do_assert, do_unassert, do_line, do_error, do_once,
14618 do_ident, do_sccs, do_xifdef, skip_if_group,
14619 output_line_directive, macroexpand, macarg, change_newlines,
14620 initialize_builtins, make_definition): Constify a char*.
14622 * pcp.h (stringdef): Likewise.
14624 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
14626 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
14629 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
14630 Richard Henderson <rth@cygnus.com>
14632 * alias.c: Include ggc.h.
14633 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
14634 (record_set): Verify enough room in reg_base_value.
14635 (init_alias_analysis): Allocate reg_base_value with xcalloc.
14636 Register it as a GC root.
14637 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
14638 * Makefile.in (alias.o): Depend on ggc.h.
14640 * unroll.c (unroll_loop): Verify the insn before a barrier
14641 is a JUMP_INSN before checking JUMP_LABEL.
14643 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14645 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
14646 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
14647 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
14648 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
14649 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
14650 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
14652 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14654 * output.h (ctors_section, dtors_section, bss_section): Prototype.
14656 * alpha/alpha-interix.h (text_section): Delete prototype.
14657 * alpha/elf.h (text_section): Likewise.
14658 * arm/linux-elf.h (text_section): Likewise.
14659 * arm/linux-telf.h (text_section): Likewise.
14660 * c4x/c4x.h (text_section): Likewise.
14661 * dsp16xx/dsp16xx.h (bss_section): Likewise.
14662 * elfos.h (text_section): Likewise.
14663 * i386/aix386ng.h (text_section): Likewise.
14664 * i386/i386-interix.h (text_section): Likewise.
14665 * i386/sco5.h (text_section): Likewise.
14666 * i386/svr3gas.h (text_section): Likewise.
14667 * nextstep.h (text_section): Likewise.
14668 * psos.h (text_section): Likewise.
14669 * ptx4.h (text_section): Likewise.
14670 * svr3.h (text_section): Likewise.
14671 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
14673 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14675 * final.c (peephole): Delete prototype.
14677 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
14678 (pre_insert_copies): Remove unused variable `bb'.
14680 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
14683 * output.h (peephole): Add prototype.
14685 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
14687 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
14690 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
14692 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
14693 for inlined declarations.
14695 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
14697 * arm.c (logical_binary_operator): New fucntion.
14698 * arm.h (logical_binary_operator): Declare it.
14699 (PREDICATE_CODES): Handle logical_binary_operator.
14700 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
14701 output constraints. Add appropriate splitters.
14702 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
14703 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
14704 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
14706 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14708 * genoutput.c (struct operand_data): New elt eliminable.
14709 (output_operand_data): Write it.
14710 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
14711 (compare_operands): Take it into account.
14712 * recog.h (struct insn_operand_data): New elt eliminable.
14713 * reload1.c (check_eliminable_occurrences, elimination_effects): New
14715 (old_asm_operands_vec, new_asm_operands_vec): Delete.
14716 (eliminate_regs): Move code that detects changes to elimination
14717 target regs into new function elimination_effects.
14718 Delete one #if 0 block.
14719 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
14720 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
14721 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
14722 Only call eliminate_regs for real operands of the insn, not for parts
14723 of its structure or parts matched by things like match_operator.
14724 Use elimination_effects and check_eliminable_occurrences. Use
14725 copy_insn to duplicate the pattern when not in the final pass.
14727 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
14729 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
14732 1999-10-22 Bruce Korb <autogen@linuxbox.com>
14734 * fixinc/README: document the "mach" machine matching test
14735 * fixinc/fixfixes.c: Implement the #else/#endif label fix
14736 * fixinc/fixtests.c: Implement the #else/#endif label test
14737 * fixinc/inclhack.def: utilize these tests and fixes
14738 * fixinc/inclhack.sh: regen
14739 * fixinc/fixincl.x: regen
14740 * fixinc/fixincl.sh: regen
14742 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
14744 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
14747 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
14749 * gcc.1: Document exit codes.
14751 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14753 * calls.c: Include tm_p.h later, so everything we need is defined.
14754 * expr.c: Likewise.
14755 * function.c: Likewise.
14757 * except.c: Include tm_p.h.
14759 * sparc.c: Likewise.
14760 (dwarf2out_cfi_label): Don't prototype.
14761 (check_return_regs, epilogue_renumber,
14762 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
14763 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
14764 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
14765 ultra_schedule_insn): Add static prototype.
14766 (data_segment_operand, text_segment_operand): Call itself with the
14767 proper number of arguments.
14768 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
14770 * sparc.h: Move all declarations to sparc-protos.h.
14771 (SELECT_RTX_SECTION): Pass a missing MODE argument to
14774 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
14776 * config/svr4.h (text_section, ctors_section, dtors_section): Add
14778 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
14779 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
14780 ASM_OUTPUT_ASCII): Constify a char*.
14782 * sparc-protos.h: New file for sparc prototypes.
14784 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14786 * function.c (record_insns, contains): Always declare and define.
14787 (record_insns): Mark with ATTRIBUTE_UNUSED.
14789 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14791 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
14792 to .section when outputting a .bss section to deal with multiple
14793 .bss input sections (as happens with -fdata-sections)
14794 Also output %progbits, not @progbits so the assembler doesn't treat as
14796 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
14798 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
14799 thumb parts even when building with non-thumb CPUs, by forcing
14802 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
14804 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
14805 (movdf_const_intreg_sp64): Similarly.
14807 * local-alloc.c (update_equiv_regs): Check the correct insn
14808 for pre-existing REG_EQUIV notes.
14810 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
14812 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
14813 block reached by a branch if we're not going to actually process
14816 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
14818 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
14819 a local extern function declaration.
14821 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
14823 * i386.c (ix86_expand_prologue): Properly wrap USE around
14824 reg for CALL_INSN_FUNCTION_USAGE.
14826 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
14828 * config/mips/mips.md (movdf_internal1a): Allow floating-point
14829 move between GP_REGs.
14831 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
14833 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
14834 the mode size when finding out if an offset is legal.
14836 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
14838 * basic-block.h (PROP_*): Move constants from ...
14839 * flow.c: ... here.
14840 (compute_bb_for_insn): Free the array before reallocating.
14841 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
14842 (allocate_reg_life_data): Reset all reg variables collected by
14844 (get_block_head_tail): Don't convert from bb to block.
14845 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
14846 (find_insn_reg_weight): Take block not bb.
14847 (schedule_block): Don't set block num for moved insns.
14848 (schedule_region): Don't update_life_info or find_insn_reg_weight.
14849 (schedule_insns): Do it here instead.
14850 * combine.c (combine_instructions): Invoke compute_bb_for_insn
14851 before update_life_info.
14852 * recog.c (split_all_insns, peephole2_optimize): Update for
14853 new arg to update_life_info.
14854 * rtlanal.c (remove_note): Cope with NULL note.
14855 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
14858 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
14860 * jump.c (jump_optimize_1): More accurately detect casesi insns.
14862 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
14863 block records so that merge_blocks_nomove will clean up correctly.
14864 (split_edge): Handle casesi insns.
14866 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
14868 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
14870 * pa.md (call, call_value): Do not emit a blockage after restoring
14873 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
14875 * c-typeck.c (c_expand_asm_operands): Fix typo.
14877 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14879 * arm.c (fpu_rhs_operand): Verify modes.
14880 (fpu_add_operand): Likewise.
14881 (di_operand): Likewise.
14882 (soft_df_operand): Likewise.
14884 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
14886 * arm.c (arm_return_in_memory): APCS rules state that the elements
14887 of a structure returned in a register must be 'integer-like'.
14889 1999-10-19 Bruce Korb <autogen@linuxbox.com>
14891 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
14892 in the source tree when the generated targets are out of date
14893 * fixinc/genfixes: Alter it to run individual fixes for make.
14894 * fixinc/README: rewrite
14895 * fixinc/inclhack.def: moved initial comments to README
14897 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
14899 * toplev.c (main): Do not generate an error message if an
14900 unrecognised command line switch is recognisable by another
14901 language. If extra_warnings are enabled, then generate a
14902 warning message instead.
14904 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
14906 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
14907 (insert_pack_attributes): Delete prototype.
14909 * c-pragma.c (default_alignment): New static variable.
14910 (push_alignment): Initialize to current effective alignment.
14911 (pop_alignment): Use to set new alignment.
14912 (insert_pack_attributes): Delete function.
14913 (handle_pragma_token): Set default_alignment as well each time
14914 a #pragma pack(<n>) is encountered.
14916 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
14918 * reg-stack.c (stack_result): Aggregates are not returned in
14921 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14923 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
14925 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
14927 * basic-block.h (set_block_num): Declare.
14928 * flow.c (update_life_info): Don't call compute_bb_for_insn
14929 or free_basic_block_vars.
14930 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
14931 (insn_orig_block): Remove.
14932 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
14933 (schedule_block): Keep BLOCK_NUM up-to-date.
14934 (schedule_insns): Use compute_bb_for_insn.
14935 * recog.c (split_all_insns): Likewise.
14936 (peephole2_optimize): Likewise.
14938 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
14940 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
14941 if the pic register is used.
14943 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14945 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
14946 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
14947 if that tests TREE_PERMANENT.
14949 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
14951 * cse.c (invalidate_for_call): Do not remove memory references from
14952 the table here. It's handled elsewhere.
14954 * haifa-sched.c (add_dependence): Protect references to the
14955 true dependency cache with #ifdef INSN_SCHEDULING.
14956 (remove_dependence): Similarly.
14958 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
14959 to the cfg code that this is a return instruction.
14960 * mn10300.md (return_internal): Similarly.
14962 * combine.c (get_last_value): If the last set of a register
14963 is after subst_low_cuid, then we can not use it to determine
14964 the register's last value.
14966 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
14968 * Makefile.in: Back out previous change.
14970 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
14972 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
14974 * haifa-sched.c (add_dependence): Only check/update the cache
14976 (remove_dependence): Likewise.
14977 (schedule_insns): Only create the true_dependency_cache if the
14978 average number of instructions in a basic block is very large.
14980 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
14982 * Makefile.in (ggc-common.o): Depend on genrtl.h.
14983 (ggc-simple.o): Likewise.
14984 (ggc-page.o): Likewise.
14986 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
14988 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
14989 Prototype for exported functions.
14990 (pre_lcm, pre_rev_lcm): Remove prototypes.
14991 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
14992 (compute_available): Move to lcm.c, and change parameter order.
14993 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
14994 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
14995 (gcse_main): No longer call compute_preds_succs. Rebuild the
14996 set table after reach pre pass.
14997 (pre_insert_map, pre_delete_map, edge_list): New.
14998 (alloc_pre_mem): Allocate edge vectors.
14999 (free_pre_mem): Delete edge vectors.
15000 (compute_pre_data): Call new edge based lcm routines.
15001 (process_insert_insn): New function.
15002 (insert_insn_end_bb): Use it.
15003 (pre_edge_insert): New function.
15004 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
15006 (pre_insert_copies): Revamp using new edge based lcm outputs.
15007 (pre_delete): Likewise.
15008 (one_pre_gcse_pass): Insert & remove fake edges to the exit
15010 (compute_code_hoist_vbeinout): New new edge based routines.
15011 * lcm.c: Remove all the old LCM functions. Replace with new ones
15012 that work with the new cfg datastructures and work with edges
15015 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15017 * reload.h (struct reload): Add new fields "mode" and "nregs".
15018 * reload1.c: Change all occurrences of reload_mode and reload_nregs
15019 to reference the "mode" and "nregs" field within struct reload.
15021 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
15023 * haifa-sched.c (true_dependency_cache): New.
15024 (add_dependence): Use the true dependency cache to avoid expensive
15025 walks down the LOG_LINKS dependency list. Add entries to the
15026 cache as necessary.
15027 (remove_dependence): Remove entries from the true dependency cache
15029 (schedule_insns): Allocate and initialize and free the true
15032 * haifa-sched.c (schedule_insns): Do not remove inter-block
15033 dependencies anymore.
15035 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15037 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
15038 * i386/t-winnt: Likewise.
15040 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
15042 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
15044 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
15046 * Makefile.in (LANGUAGES): Omit "proto".
15047 (clean): Remove stale comment about removing unprotoize.c.
15049 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15051 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
15052 using arithmetic on void pointers.
15054 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
15056 * haifa-sched.c (compute_block_forward_dependencies): Only check
15057 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
15059 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
15061 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
15062 (expr_equiv_p): Reject memories with different alias sets.
15064 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
15066 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
15067 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
15068 (f_options): Add "bounded-pointers" and "bounds-check" entries.
15069 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
15070 (lang_init): Set default for flag_bounds_check if still "unspecified".
15072 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15074 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
15076 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15078 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
15081 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15083 * config/c4x/c4x.md (*db_noclobber,
15084 *decrement_and_branch_until_zero_noclobber): New patterns and
15085 associated splitters.
15087 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15089 * config/c4x/c4x.md (parallel instruction patterns): Rework
15090 constraints to keep reload happy.
15092 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15094 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
15095 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
15096 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
15097 Add new patterns and associated post-reload splitters.
15099 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15101 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
15103 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15105 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
15107 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
15109 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15111 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
15114 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
15116 * pa.c (move_operand): Rely on memory_address_p to determine the
15117 validity of non-indexed memory addresses.
15118 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
15119 operand in DFmode and SFmode when generating PA2.0 code.
15121 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
15123 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
15125 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
15127 * mips.c (function_prologue): Fix argument types.
15128 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
15129 (casesi_internal): Write to the scratch register.
15131 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
15133 * cppexp.c (cpp_parse_escape): Make static. Change second arg
15135 (parse_charconst): Delete unnecessary cast when calling
15137 (cpplib.h): Kill prototype of cpp_parse_escape.
15139 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
15141 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
15142 * unroll.c (unroll_loop): Cast return value of alloca.
15143 * i370/i370.c: Include function.h and toplev.h.
15144 (i370_label_scan): Remove c++ commented abort.
15145 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
15146 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
15147 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
15148 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
15150 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
15152 * config/t-freebsd: Do not override USER_H.
15153 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
15155 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
15156 Mumit Khan <khan@xraylith.wisc.edu>
15158 * c-parse.in (component_decl): Support anonymous struct/union.
15160 * c-parse.y: Regenerate.
15161 * c-parse.c: Likewise.
15162 * objc/objc-parse.y: Likewise.
15163 * objc/objc-parse.c: Likewise.
15164 * c-decl.c (finish_struct): Don't sort the fields.
15165 (field_decl_cmp): Delete unused function.
15167 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
15169 * sparc.md (movsf_const_intreg): Revert last constraint change.
15170 (movdf_const_intreg_sp32): Likewise.
15172 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
15174 * cse.c: Include hashtab.h instead of splay-tree.h
15175 (struct cse_reg_info): No longer use variant union. Add new
15176 field "regno". All references changed to avoid union.
15177 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
15178 (free_cse_reg_info): Remove.
15179 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
15180 (get_cse_reg_info): Revamp to use expandable hash tables instead
15181 of splay trees. Initialize new fields in cse_reg_info structure.
15182 (new_basic_block): Similarly.
15184 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
15186 * genrecog.c (message_with_line): Prototype.
15187 (validate_pattern): Pass along the set for the dest, not a flag.
15188 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
15189 Check for PC/CC0 as sources.
15190 (nodes_identical): Check for children position match before
15191 allowing the combination.
15193 * rtl.c (read_rtx): Track line number across \\\n.
15195 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
15197 * mips.h (SPECIAL_MODE_PREDICATES): New.
15198 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
15199 (movdi+1, movsi+1): Add output reload constraint.
15200 (casesi_internal): Likewise. Fix commentary.
15201 (return_internal): Use pmode_register_operand.
15203 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
15205 * 1750a.md (movstrqi): Add missing output reload constraint.
15206 (call_value): Likewise.
15207 * a29k.md (cpxxx patterns): Add missing match_operator mode.
15208 (jmpfdec): Add missing inout reload constraint.
15209 * elxsi.md (addsi patterns): Add missing output reload constraint.
15210 (move from sp): Use @ alternates.
15211 (call_value): No constraint on output.
15212 * fr30.md (movsi_pop): Add missing output reload constraint.
15213 (movsf_constant_store): Likewise.
15214 (splits): Remove constraints.
15215 (subsi3): Add missing mode.
15216 * i370.md (cmpstrsi+1): Add missing output reload constraint.
15217 (call_value): Likewise.
15218 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
15219 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
15220 * m32r.md (movsicc_internal): Add output reload constraint.
15221 (movstrsi_internal): Add inout reload constraints.
15222 * m88k.h (reg_names): Don't declare.
15223 (SPECIAL_MODE_PREDICATES): New.
15224 * m88k.md (*): Use register_operand not reg_or_0_operand
15226 * mn10200.h (PREDICATE_CODES): New.
15227 * ns32k.md (ffs pattern): Add output reload constraint.
15228 * pdp11.md (sob pattern): Add inout reload constraint.
15229 * sh.md (splits): Remove constraints.
15230 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
15231 * v850.md (pattern_is_ok_for_epilogue): Likewise.
15232 * vax.md (jgequ pattern): Add inout reload constraint.
15234 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
15236 * configure.in (djgpp): Revert previous patch.
15237 * configure: Rebuit.
15238 * config/i386/djgpp.h: Revert previous patch.
15240 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
15242 * fixinc/inclhack.def: Restore patch lost during last merge of
15243 "no_bogosity" branch.
15244 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
15246 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15248 * fixincludes: Add a HPUX 11 fix for inttypes.h.
15249 * fixinc/inclhack.def: Same.
15250 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
15252 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
15254 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
15255 as the base of a PLUS.
15257 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15259 * config/c4x/c4x.md: Define mode for remaining unspec operators.
15260 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
15262 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
15264 * pa.md (post_stw+1): Use pmode_register_operand.
15265 (dcacheflush, icacheflush): Likewise.
15267 * i386.md (movstricthi_1): Allow r/r.
15269 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
15271 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
15272 to (not (and (arg0) (arg1))). Similary for and.
15274 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
15275 fallthrough to associate code.
15276 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
15279 * combine.c (simplify_logical): Convert XOR to IOR if operands have
15280 no bits in common; remove XOR to ROTATE conversion.
15282 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15284 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
15286 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15288 * config/c4x/c4x.c (dst_operand): New.
15289 (PREDICATE_CODES): Update.
15290 * config/c4x/c4x.h (dst_operand): Declare it.
15291 * config/c4x/c4x.md: Define mode for each unspec usage.
15292 (move patterns): Use dst_operand predicate instead of src_operand.
15293 (movqi_update, movqf_update): Delete.
15295 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
15297 * recog.c (pmode_register_operand): New.
15298 * recog.h: Declare it.
15299 * genrecog.c (pred_codes): Likewise.
15300 (special_mode_pred_table): Likewise.
15301 (validate_pattern): Don't warn no mode for address_operand.
15303 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
15304 if the operand is not insn-like.
15306 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
15307 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
15309 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
15311 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
15313 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
15314 instead of general_operand in a SET_DEST. Use const_double_operand
15315 instead of an explicit test against CONST_DOUBLE.
15316 (movsf_const_lo): Add missing register mode.
15317 (goto_handler_and_restore): Add auxiliary test for Pmode.
15318 (flush): Adjust to use address_operand.
15319 (return_sf_no_fpu): Add missing output constraint.
15321 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
15323 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
15324 for call return value.
15325 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
15327 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
15329 * toplev.c (main): Only warn about options for other languages.
15330 * collect2.c (main): Pass -w to sub-gcc.
15332 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
15334 * flow.c (propagate_block): Add call-clobbered registers to
15337 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
15338 zapping mem_set_list.
15339 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
15340 (mark_set_1, mark_used_regs): Likewise.
15342 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
15344 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
15346 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15348 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
15349 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
15350 options. Also add a new item "C-only Warning Options" to the
15353 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
15355 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
15356 from multiple calls.
15358 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
15360 * i386.md (call value patterns): Move to the end of the file.
15361 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
15363 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
15365 * configure.in (djgpp configuration): Define extra_objects..
15366 * configure: Rebuilt.
15367 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
15368 (DTORS_SECTION_ASM_OP): Define.
15369 (INIT_SECTION_ASM_OP): Define.
15370 (FINI_SECTION_ASM_OP): Define.
15371 (DATA_SECTION_ASM_OP): Define.
15372 (TEXT_SECTION_ASM_OP): Define.
15373 (EH_FRAME_SECTION_ASM_OP): Define.
15374 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
15375 (STARTFILE_SPEC): Add crtbegin.o.
15376 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
15377 to here from LINK_COMMAND_SPEC.
15378 (DO_GLOBAL_CTORS_BODY): Define.
15379 (CRTSTUFF_USE_FINI_SECTION): Define
15380 (HAS_INIT_SECTION): Delete.
15382 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
15384 * Makefile.in (all.cross): Depend on xcpp$(exeext).
15386 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
15388 * pa.h (PREDICATE_CODES): New.
15390 * genrecog.c (validate_pattern): Condense the destination
15391 non-lvalue message.
15393 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
15395 * alpha.md (call-1): Supply missing mode for operator.
15396 (*): Add missing output reload constraints. Remove constraints
15397 from define_splits.
15399 * i386.h (SPECIAL_MODE_PREDICATES): New.
15400 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
15401 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
15402 (addsi_lea_3): Add missing mode for op 3.
15403 (prologue_set_got, prologue_get_pc): Add missing modes.
15404 (*) Add missing output reload constraints.
15406 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
15408 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
15409 check for member bit-size overflow and use var_size if it occurs.
15410 (layout_record): Use bitsize_int() to define the type size in bits.
15411 Likewise for computation and assignment to DECL_FIELD_BITPOS.
15412 (layout_decl): Likewise when assigning to DECL_SIZE.
15414 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
15416 * genrecog.c (validate_pattern): Typo last change. Verify
15417 that output operands have output reloads.
15419 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
15421 * genrecog.c (special_mode_pred_table): New.
15422 (NUM_SPECIAL_MODE_PREDS): New.
15423 (find_operand): New.
15424 (validate_pattern): New argument `insn'. Warn for assignment to
15425 any predicate accepting non-lvalues. Conditionaly warn for
15426 match_operand without a mode. Try much harder to match source
15427 and destination modes on a set.
15428 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
15430 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
15432 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
15434 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
15436 * combine.c (simplify_logical): Recognize xor pattern that encodes
15439 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15441 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
15444 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
15446 * ggc-page.c (MAP_FAILED): Provide default.
15448 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
15450 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
15451 * sparc.h (PREDICATE_CODES): Update.
15453 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
15455 * alpha.c (some_ni_operand): New.
15456 * alpha-protos.h: Declare it.
15457 * alpha.h (PREDICATE_CODES): Update.
15458 * alpha.md (sXaddq reload insns): Use some_ni_operand
15459 for SET_DEST instead of some_operand.
15461 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
15462 Jim Wilson <wilson@cygnus.com>
15464 * genrecog.c (maybe_both_true_2): Don't compare modes of
15466 (process_tree): Elide peephole2_insns. Invoke simplify_tests
15467 after find_afterward.
15468 (debug_decision_1): Dump next and afterward codes.
15470 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
15472 * rtl.c (dump_and_abort): Remove.
15473 (fatal_with_file_and_line): New.
15474 (fatal_expected_char): New.
15475 (read_rtx_lineno, read_rtx_filename): New.
15476 (read_skip_spaces): Track line number.
15477 (read_name): Use fatal_with_file_and_line.
15478 (read_rtx): Use fatal_expected_char. Track line number.
15479 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
15481 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
15482 if it isn't a CODE_LABEL.
15484 * genattr.c (main): Set read_rtx_filename.
15485 * genattrtab.c (main): Likewise.
15486 * gencodes.c (main): Likewise.
15487 * genconfig.c (main): Likewise.
15488 * genemit.c (main): Likewise.
15489 * genextract.c (main): Likewise.
15490 * genflags.c (main): Likewise.
15491 * genopinit.c (main): Likewise.
15492 * genoutput.c (main): Likewise.
15493 * genpeep.c (main): Likewise.
15495 * genrecog.c (decision_test.u.insn): Add `lineno'.
15496 (pattern_lineno, error_count): New variables.
15497 (message_with_line): New.
15498 (add_to_sequence): Break out checking code to ...
15499 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
15500 (merge_insn): Use message_with_line.
15501 (make_insn_sequence): Use validate_pattern. Record insn lineno.
15502 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
15504 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15506 * expr.c (store_constructor): Clear union if constructor is empty.
15508 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
15510 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
15511 Add !endian checks. Change %{...} to %(...).
15513 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
15515 * i386.md (*addsi3_cc): Renamed from addcsi3.
15516 (*addsi3_carry): Renamed from addxsi3.
15517 (*subsi3_cc): Renamed from subcsi3.
15518 (*subsi3_carry): Renamed from subxsi3.
15519 (*xorqi_cc_1): Renamed from xorcqi_1.
15520 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
15521 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
15523 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
15525 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
15526 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
15528 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
15530 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
15531 climb up the chain of insns.
15533 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
15535 * genrecog.c (write_subroutine): Careful for null trees.
15536 (process_tree): Don't elide empty functions.
15538 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
15540 * Makefile.in (genrtl.o): Depend on ggc.h.
15541 * configure.in (valloc): Probe for it.
15542 (with-gc): Use ggc-page if valloc present.
15543 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
15544 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
15545 (ggc_alloc_string): Moved from ggc-page.c.
15546 * ggc-none.c (ggc_alloc_obj): New.
15547 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
15548 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
15549 (struct globals): Likewise for dev_zero_fd.
15550 (init_ggc): Likewise for it's initialization.
15551 (ggc_allocated_p): Move careful dereference from ...
15552 (ggc_lookup_page_table): ... here. Delete.
15553 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
15554 (alloc_anon): Use valloc if no mmap.
15555 (release_pages): Use free if using valloc.
15556 (ggc_alloc_obj): Renamed from alloc_obj.
15557 (ggc_set_mark): Renamed from mark_obj.
15558 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
15559 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
15560 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
15561 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
15562 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
15563 (ggc_collect): Use fp printing instead of our own rounding.
15564 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
15565 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
15566 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
15567 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
15568 (struct ggc_string, struct ggc_any): Delete.
15569 (offsetof): Provide default definition.
15570 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
15572 (struct ggc_mem): New, from corpse of ggc_any.
15573 (struct ggc_status): Delete.
15574 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
15575 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
15576 (n_strings_collected, n_anys_collected): Delete.
15577 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
15578 (ggc_alloc_string, ggc_alloc): Delete.
15579 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
15580 (ggc_free_string, ggc_free_any): Delete.
15581 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
15582 (ggc_compare_addresses, ggc_mark_string): Delete.
15583 (ggc_mark_string_if_gcable, ggc_mark): Delete.
15584 (search_data): Delete.
15585 (struct globals): New.
15586 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
15587 (tree_insert, tree_lookup): New.
15588 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
15589 (clear_marks, sweep_objs): New.
15590 (ggc_collect): Gut. Use clear_marks, sweep_objs.
15591 (init_ggc): Set allocated_last_gc.
15592 (ggc_push_context): Gut. Use G.context.
15593 (ggc_pop_context): Likewise.
15594 (ggc_pop_context_1): New.
15595 (debug_ggc_tree): New.
15596 (debug_ggc_balance, tally_leaves): New.
15597 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
15598 (ggc_mark_string_if_gcable): Remove decl.
15599 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
15600 (ggc_mark_rtvec_children): New.
15601 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
15602 (ggc_mark_if_gcable): New decl.
15603 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
15604 (ggc_alloc_tree, ggc_alloc): Likewise.
15605 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
15606 (ggc_alloc_obj): New decl.
15607 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
15608 (ggc_alloc_tree, ggc_alloc): Likewise.
15609 (ggc_set_mark): New decl.
15610 * rtl.h (struct rtx_def): Remove gc_mark.
15611 (struct rtvec_def): Likewise.
15612 * tree.h (struct tree_common): Likewise.
15614 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
15616 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
15617 float_format and thread_file definitions.
15618 * configure: Rebuilt.
15620 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
15622 * extend.texi (Function Names): Document types of function names.
15624 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15626 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15627 an earlyclobbered output conflict with RELOAD_INPUT reloads.
15629 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15631 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
15633 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15635 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
15637 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
15639 * collect2.c (main): Do prelimnary link on AIX if rflag.
15641 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15643 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
15644 __CTOR_LIST__ in opposite order, which is the correct order for sorted
15646 (__do_global_dtors): similarly for __DTOR_LIST__.
15648 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15649 Diego Novillo <dnovillo@cygnus.com>
15651 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
15654 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
15656 * fixincl/*: Merged "no_bogosity" branch
15657 * fixincl/fixlib.h: protect against doubly defining t_bool
15658 * fixincl/server.h: protect against doubly defining t_bool
15660 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
15662 * genoutput.c: Include toplev.h.
15664 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
15666 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
15668 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
15669 * configure: Regenerate.
15671 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15673 * gcse.c (delete_null_pointer_checks): Returns void.
15675 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15677 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
15678 * emit-rtl.c (copy_insn_1): Likewise.
15680 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15682 * config/mips/mips.c (mips_build_va_list): Correct
15683 TREE_CHAIN setting when hard-float.
15684 (mips_va_start): Use corrected setting.
15685 (mips_va_arg): Likewise. Also pass a tree to build of
15686 POSTINCREMENT_EXPR rather than a naked 'int'.
15688 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
15690 * ggc.h (ggc_push_context): Fix comment.
15691 (ggc_pop_context): Likewise.
15692 (mark_string_if_gcable): Likewise.
15693 * ggc-common.c (ggc_mark_rtx_children): Use
15694 ggc_mark_string_if_gcable.
15695 * ggc-page.c (ggc_lookup_page_table): New function.
15696 (ggc_allocated_p): Likewise.
15697 (mark_obj): Fix formatting.
15698 (ggc_mark_string_if_gcable): New function.
15699 * ggc-simple.c (ggc_allocated_strings): New variable.
15700 (ggc_strings_used): Likewise.
15701 (ggc_compare_addresses): New function.
15702 (ggc_pop_context): Pop the `any' memory too.
15703 (ggc_mark_string_if_gcable): New function.
15704 (ggc_collect): Initialize and tear down ggc_allocated_strings.
15706 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
15708 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
15709 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
15710 * rs6000.c (expand_block_move): Match movstrsi_?reg register
15713 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
15715 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
15716 (sched_reg_live_length, sched_reg_basic_block): Delete.
15717 (current_block_num, bb_live_regs, old_live_regs): Delete.
15718 (dead_notes, struct sometimes): Delete.
15719 (sched_note_set, birthing_insn_p): Delete.
15720 (adjust_priority): Gut useless reg lifetime code.
15721 (create_reg_dead_note, attach_deaths): Delete.
15722 (attach_deaths_insn, new_sometimes_live): Delete.
15723 (finish_sometimes_live): Delete.
15724 (find_pre_sched_live, find_post_sched_live): Delete.
15725 (update_reg_usage): Delete.
15726 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
15727 (schedule_insns): Delete reg lifetime code.
15728 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
15729 (unlink_other_notes): Adjust REG_NOTE commentary.
15730 (reemit_notes): Use REG_SAVE_NOTE.
15731 (schedule_block): Likewise.
15732 (schedule_region): Allocate bitmap of blocks in region. Use
15733 count_or_remove_death_notes. Use update_life_info.
15735 * rtl.h (REG_SAVE_NOTE): New.
15736 * rtl.c (reg_note_name): Update.
15738 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
15740 * combine.c (refresh_blocks, need_refresh): New.
15741 (combine_instructions): Allocate refresh_blocks. Invoke
15742 update_life_info if needed.
15743 (distribute_notes): Mark refresh_blocks instead of installing
15745 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
15746 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
15748 * Makefile.in (recog.o): Depend on basic-block.h.
15750 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
15752 * genrecog.c (add_to_sequence): Thinko last change: delete
15753 shadowing allow_const_int variable.
15755 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15757 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
15758 __GNUC__ and __GNUC_MINOR__.
15760 * gansidecl.h: Likewise.
15766 * toplev.h: Likewise.
15768 * tree.c: Likewise.
15770 * tree.h: Likewise.
15772 * varray.c: Likewise.
15774 * varray.h: Likewise.
15776 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15778 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
15779 use one before a jump table.
15781 * rtl.def (ADDRESS): Change documentation to match reality.
15782 * md.texi: Don't document it.
15783 * gmicro.md (load address pattern): Use 'p' constraint, delete use
15786 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
15788 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
15790 * genrecog.c (add_to_sequence): Move allow_const_int test outside
15791 known predicate block; default allow_const_int true.
15792 (debug_decision_list): New.
15794 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
15796 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
15798 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
15800 * gcse.c (gcse_main): Avoid global optimizations if we have a
15801 large number of basic blocks and the ratio of edges to blocks
15803 (delete_null_pointer_checks): Likewise.
15805 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
15807 * c-common.c (check_format_info): Warn if format string isn't a
15810 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15812 * configure.in (arm*-*-*): Don't let autoconf remove brackets
15813 * configure: regenerate
15815 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
15817 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
15818 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
15819 (peepholes): Re-enable.
15821 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
15823 * Makefile.in (flow.o): Depend on TREE_H.
15824 * basic-block.h (REG_SET_EQUAL_P): New.
15825 (XOR_REG_SET): New.
15826 (n_edges): Declare.
15827 (free_regset_vector): Remove declaration.
15828 (flow_delete_insn_chain): Declare.
15829 (enum update_life_extent): New.
15830 (update_life_info, count_or_remove_death_notes): Declare.
15831 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
15832 Verify register live at bb->global_live_at_start before adding USE.
15833 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
15834 (CLEAN_ALLOCA): New.
15836 (PROP_*): New flags.
15837 (find_basic_blocks_1): Use alloc_EXPR_LIST.
15838 (clear_edges): Zero n_edges.
15839 (make_edge): Increment n_edges.
15840 (split_edge): Don't allocate bb->local_set. Increment n_edges.
15841 (flow_delete_insn_chain): Export.
15842 (delete_block): Decrement n_edges.
15843 (merge_blocks_nomove): Likewise.
15844 (life_analysis): Give life_analysis_1 PROP flags.
15845 (verify_wide_reg_1, verify_wide_reg): New.
15846 (verify_local_live_at_start): New.
15847 (update_life_info): Rewrite to call into propogate_block.
15849 (mark_regs_live_at_end): After reload, if epilogue as rtl,
15850 always mark stack pointer. Conditionally mark PIC register.
15851 After reload, mark call-saved registers, return regsiters.
15852 (life_analysis_1): Accept PROP flags not remove_dead_code.
15853 Call mark_regs_live_at_end before zeroing regs_ever_live.
15854 Use calculate_global_regs_live. Copy global_live_at_end before
15855 calling final propagate_block. Zero reg_next_use on exit.
15856 (calculate_global_regs_live): New.
15857 (allocate_bb_life_data): Don't allocate bb->local_set.
15858 (init_regset_vector, free_regset_vector): Remove.
15859 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
15860 Test flags before every operation. Warn if prologue/epilogue insn
15861 would have been deleted.
15862 (mark_set_regs, mark_set_1): Accept and use FLAGS.
15863 Use alloc_EXPR_LIST.
15864 (mark_used_regs): Accept and use FLAGS, not FINAL.
15865 Remove special handling for RETURN.
15866 (try_pre_increment): Use alloc_EXPR_LIST.
15867 (dump_flow_info): Dump n_edges.
15868 (unlink_insn_chain, split_hard_reg_notes): Remove.
15869 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
15870 (find_insn_with_note, new_insn_dead_notes): Remove.
15871 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
15872 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
15873 (replace_insns): Remove.
15874 (count_or_remove_death_notes): New.
15875 (verify_flow_info): Abort on error after all checks.
15876 (remove_edge): Decrement n_edges.
15877 (remove_fake_edges): Tweek format.
15878 * haifa-sched.c (schedule_insns): Use split_all_insns.
15879 * output.h (update_life_info): Remove declaration.
15880 * recog.c (split_all_insns): From the corpse of split_block_insns,
15881 do the whole function block by block. Use update_life_info.
15882 (recog_last_allowed_insn): New.
15883 (recog_next_insn): Mind it.
15884 (peephole2_optimize): Set it. Walk backwards through blocks.
15885 Use update_life_info.
15886 * rtl.h (update_flow_info, replace_insns): Remove declarations.
15887 (split_all_insns): Declare.
15888 * toplev.c (rest_of_compilation): Thread prologue before flow2.
15889 Use split_all_insns.
15891 * i386.md (or -1 peep2s): Disable.
15893 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
15895 * config/mips/mips.md (movstrsi+[123]) : Combine these into
15896 a single pattern. Scrap the 'd' versions as unnecessary.
15898 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
15899 tablejump_mips162,tablejump_internal4): The operands to a
15900 label_ref must be VOIDmode.
15902 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15904 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
15906 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
15908 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
15910 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
15912 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
15913 cache every function if ggc_p.
15915 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15917 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
15918 instead of copy_rtx. Accept sequences that contain asm statements.
15919 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
15920 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
15921 orig_asm_operands_vector, copy_asm_operands_vector,
15922 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
15924 * rtl.h (copy_insn, copy_insn_1): Declare.
15926 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15928 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
15930 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
15931 arguments to `current_file_function_operand'.
15933 * genrecog.c: Include hard-reg-set.h and resource.h in the
15934 generated output file.
15936 * real.c: Include tm_p.h.
15938 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15940 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
15943 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
15945 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
15946 before the fctiwz insn.
15948 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15949 Mark Mitchell <mark@codesourcery.com>
15951 * tree.c (make_lang_type_fn): New funtion pointer.
15952 (make_lang_type): Call it.
15953 * tree.h (make_lang_type): Declare.
15954 (make_lang_type_fn): Likewise.
15955 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
15957 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
15959 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
15960 make sure that HIGH instructions are copied into BASE_REGS.
15962 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
15964 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
15966 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
15968 * c-decl.c (finish_struct): Use simpler method of
15969 removing elements of a singly-linked list.
15971 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
15973 * alpha.md (peephole2's): Comment out peephole2's that generate
15976 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
15978 * genrecog.c (add_to_sequence): Disable mode check for
15981 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15983 * ggc-simple.c (init_ggc): Set empty_string.
15985 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
15987 * configure.in: Detect mmap. Add --with-gc=foo to select
15988 garbage collector; default to page if mmap available.
15989 * Makefile.in (GGC): Substitute.
15991 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
15993 * c-decl.c (ggc_p): Enable.
15995 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15997 * flow.c (verify_flow_info): Make it extern & unconditionally define.
15999 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
16001 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
16002 string for little-endian-data.
16004 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
16006 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
16007 case somebody tries to compile --enable-checking code with gcc
16010 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
16012 * genrecog.c (add_to_sequence): Verify operand to label_ref is
16015 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
16017 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
16018 * jump.c (jump_optimize_1): Document why.
16020 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16022 * collect2.c (scan_prog_file, scan_libraries): Prototype function
16023 pointers and casts for `int_handler' and `quit_handler'.
16025 * flow.c (verify_flow_info, split_hard_reg_notes,
16026 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
16027 remove_edge, remove_fake_successors): Add static prototypes.
16028 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
16029 (mark_set_1): Initialize variable `regno'.
16030 (unlink_insn_chain): Likewise for variable `curr'.
16031 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
16033 * loop.c (strength_reduce): Initialize variable
16034 `unrolled_insn_copies'.
16035 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
16036 prototypes. Change these functions to take const PTR parameters
16037 to avoid prototype conflict when used as the comparson argument
16039 (check_dbra_loop): Initialize variable `comparison_val'.
16041 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
16042 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
16043 (find_valid_class): Initialize variable `best_class'.
16044 (find_reloads): Call memcpy, not bcopy.
16046 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
16047 (hard_reg_use_compare): Don't needlessly cast away const.
16048 (reload_reg_class_lower): Likewise.
16049 (choose_reload_regs): Initialize variable `regno'.
16051 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
16053 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
16055 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
16057 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
16058 ({,d}discard): Add forward declarations. Declare parameter as
16060 (main_without_main): Explicitly declare return type to be int.
16061 (memcpy): Properly declare.
16063 * libgcc2.c (toplevel): If inhibit_libc is defined and not
16064 building the trampoline support, declare malloc, free, and
16066 (__clear_cache): Mark arguments as potentially unused.
16068 * frame.c (toplevel): If inhibit_libc is defined, declare
16071 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
16073 * flow.c (make_edge): Accept an optional 2D bitmap in which
16074 to cache edge existence. Update all callers.
16075 (make_label_edge, make_eh_edge): Pass through the edge cache.
16076 (make_edges): Provide the cache.
16078 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16080 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
16082 (local_mbtowc): Change the type of variable `i' from int to size_t.
16084 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
16085 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
16087 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
16089 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
16090 after other includes that define the appropriate types. Include
16091 tm_p.h for getting user prototypes.
16092 * ggc-callbacks.c (toplevel): Ditto.
16093 * ggc-none.c (toplevel): Ditto.
16094 * gcc-page.c (toplevel): Ditto.
16095 * ggc-simple.c (toplevel): Ditto.
16097 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
16098 Jonathan Larmour <jlarmour@cygnus.co.uk>
16100 * config/mips/mips.c (mips_move_2words): Split doubles if
16101 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
16103 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
16105 * genrecog.c (struct decision_test): New.
16106 (struct decision): Remove test-related members, sort the rest by size.
16107 (IS_SPLIT): Simplify.
16108 (new_decision, new_decision_test): New.
16109 (add_to_sequence): Use them. No special handling for args of
16111 (maybe_both_true): Renamed from not_both_true; return sense changed.
16112 (maybe_both_true_1, maybe_both_true_2): New. Broken out
16113 of maybe_both_true and adjusted for decision_test.
16114 (position_merit): Remove.
16115 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
16116 (merge_accept_insn): New, broken out of merge_trees.
16117 (merge_trees): Use them. No special case for c_test; no node
16118 splitting; use test type instead of position_merit.
16119 (factor_tests): New.
16120 (simplify_tests): New.
16121 (break_out_subroutines): Don't write code now.
16122 (find_afterward): New.
16123 (write_afterward, write_switch, write_cond): New.
16124 (write_action, is_unconditional): New.
16125 (write_node): New. Use them.
16126 (write_tree_1): Rewrite. Use the new functions above.
16127 (write_tree): Remove afterward processing.
16128 (write_subroutine): Simplify function variant emission.
16129 (write_subroutines): New.
16130 (same_codes, clear_codes): Remove.
16131 (same_modes, clear_modes): Remove.
16132 (write_header): New, broken out of main.
16133 (make_insn_sequence): Use new_decision and new_decision_test.
16134 (process_tree): New, broken out of main.
16135 (main): Adjust for merge_trees interface change.
16136 Don't #define operands in the output file.
16137 (record_insn_name): New, broken out of make_insn_sequence.
16138 (debug_decision_2, debug_decision_1, debug_decision_0): New.
16139 (debug_decision): New.
16141 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
16143 * resource.c (find_free_register): Mark class_str argument const.
16144 * resource.h: Update prototype to match.
16146 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
16147 * i386.md: Give all anonymous insns names.
16149 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
16151 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
16154 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
16156 * toplev.c (dbr_sched_time): Unconditional.
16157 (peephole2_time): New.
16158 (compile_file): Add pass numbers to all of the dump file suffixes.
16159 Dump peephole2_time. Don't dump times for non-applicable passes.
16160 (rest_of_compilation): Add pass numbers to dump file suffixes.
16161 Conditionalize calls to the scheduler.
16162 * invoke.texi: Update.
16164 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
16166 * flow.c (make_edges): Fix insn iteration.
16167 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
16168 (find_basic_blocks_1): Fix spelling mistake.
16170 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
16172 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
16173 always have side-effects. Use memset not bzero.
16174 (make_node): Likewise.
16176 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
16178 * stmt.c (expand_anon_union_decl): When any of the elements of the
16179 union is addressable, so is the entire union.
16181 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
16183 * sbitmap.c (sbitmap_ones): Don't set too many bits.
16185 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
16186 * bitmap.c (bitmap_operation): Return true iff TO changed.
16187 (bitmap_equal_p): New.
16188 (bitmap_bit_p): Tidy arithmetic.
16189 (debug_bitmap_file): Likewise.
16191 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
16193 * toplev.c (rest_of_compilation): Turn on cse_not_expected
16194 before cse2 instead of after.
16196 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
16198 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
16201 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16203 * cppinit.c (is_idchar initializer): Loosen tests to accept
16206 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
16208 * mips.md: Define conditional move patterns for floating point
16209 operands and DI mode conditions.
16211 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
16213 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
16214 always have side-effects.
16216 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
16218 * mn10200.c (asm_file_start): Fix typo.
16220 * cppinit.c (is_idchar initializer): Tighten tests for when
16221 to put the table into initialized memory.
16223 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
16224 not an array of rtunion.
16225 * gcc-page.c (ggc_alloc_rtvec): Similarly.
16226 * gcc-simple (ggc_free_rtvec): Similarly.
16228 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
16231 * mbchar.h: Add missing #endif.
16233 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
16234 (FPBIT, DPBIT): Define.
16236 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16238 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
16240 * profile.c (instrument_arcs, output_gcov_string,
16241 tablejump_entry_p): Add static prototypes.
16242 (output_gcov_string): Constify a char*.
16244 * regmove.c (replacement_quality, fixup_match_2): Add static
16247 * resource.h (reg_dead_p): Add extern prototype.
16249 * rtl.c (trim_filename): Add static prototype.
16251 * scan-decls.c (skip_to_closing_brace): Likewise.
16253 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
16254 (expand_end_case): Initialize variable `range'.
16255 (emit_case_nodes): Remove unused prototype `rtx_fn'.
16257 * varasm.c (asm_emit_uninitialised): Add static prototype.
16258 (asm_emit_uninitialised, assemble_variable): Mark parameter with
16261 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16263 * cpplib.c (if_directive_nameo): Add static prototype.
16265 * cse.c (cse_insn): Remove unused variable `p'.
16267 * except.c (create_rethrow_ref, push_entry,
16268 receive_exception_label, new_eh_region_entry, find_func_region,
16269 clear_function_eh_region, process_nestinfo): Add static prototypes.
16270 (get_reg_for_handler): Hide definition.
16271 (process_nestinfo): Initialize variable `extra_handlers'.
16273 * expr.h (expand_builtin_longjmp): Add extern prototype.
16275 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
16277 * function.c (prepare_function_start): Likewise.
16278 (pop_function_context_from): Mark parameter `context' with
16280 (push_temp_slots_for_block, flush_addressof): Hide definition.
16282 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
16283 solve_program_flow_graph, calculate_branch_probs,
16284 function_summary, main, fancy_abort): Add prototypes.
16286 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
16287 (add_hash): Constify a char*.
16289 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
16290 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
16291 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
16293 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
16295 * lists.c (free_list, zap_lists): Likewise.
16297 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16299 * alias.c (nonlocal_reference_p): Add static prototype.
16301 * bitmap.c (bitmap_element_allocate): Prototype args in function
16304 * builtins.c (stabilize_va_list): Add static prototype.
16305 (expand_builtin_va_arg): Constify a char*.
16307 * c-lex.c (getch, put_back, extend_token_buffer_to,
16308 read_line_number, token_getch, token_put_back): Add static
16311 * c-parse.gperf (hash, is_reserved_word): Likewise.
16313 * cccp.c (is_dir_separator): Likewise.
16315 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16317 * graph.h: New file to prototype functions exported by graph.c.
16319 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
16321 * graph.c: Include graph.h.
16323 * toplev.c: Likewise. Remove redundant prototypes.
16325 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
16327 * invoke.texi: Removed duplicated description for -Q.
16329 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
16331 * extend.texi: Grammar fix in __extension__ text.
16333 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
16335 * md.texi (define_peephole2): New section.
16337 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
16339 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
16340 (mov $-1 to or peepholer): Enable for pentium when optimizing for
16343 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
16345 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
16347 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
16349 * i386.md (ffs expander): Emit Pentium friendly code for
16352 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
16354 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
16356 (build1): Likewise.
16358 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16360 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
16362 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
16364 * config/m68k/m68k.c (use_return_insn): Return false if the pic
16365 register is in use.
16367 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16369 * md.texi (No Constraints): Delete section.
16370 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
16371 * final.c (final_scan_insn): We always have register constraints.
16372 * genattrtab.c: Don't include "insn-config.h".
16373 (write_attr_case): We always have register constraints.
16374 * genconfig.c (register_constraint_flag): Delete.
16375 (walk_insn_part): Don't check whether we have register constraints.
16376 (main): Don't write out "#define REGISTER_CONSTRAINTS".
16377 * genoutput.c (have_constraints): Delete.
16378 (main): Don't set it.
16379 (output_operand_data): We always have constraints.
16380 (scan_operands): Likewise.
16381 (compare_operands): Likewise.
16382 * local-alloc.c (block_alloc): We always have constraints.
16383 (requires_inout): Always compile this function.
16384 * recog.c (extract_insn): We always have constraints.
16385 (constrain_operands, reg_fits_class_p): Always compile these
16387 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
16389 (struct insn_operand_data): Likewise.
16390 * regclass.c (regclass): We always have constraints.
16391 (record_reg_classes, copy_cost, record_address_regs,
16392 auto_inc_dec_reg_p): Always compile these functions.
16393 * regmove.c (regmove_optimize): We always have constraints.
16394 * reload.c (find_reloads): Likewise.
16395 * reload1.c (reload): Likewise.
16396 (reload_cse_simplify_operands): Likewise.
16397 * i860.c (output_delay_insn): Likewise.
16399 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
16401 * iris6.h (BUILD_VA_LIST_TYPE): Define.
16403 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16405 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
16406 for the va_list record.
16408 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
16410 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
16413 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
16415 * alias.c: Include insn-flags.h.
16416 * Makefile.in (alias.o): Update.
16418 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
16420 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
16421 to LTU and GEU. Handle more cases using sbb.
16423 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
16425 * i386.md (truncatexfdf splitters): Do not use subreg.
16426 (fop XFmode patterns): Fix mode in operand testing.
16428 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
16430 * jump.c (jump_optimize_1): Amend last change to test only the
16431 form of the operand, not the insn.
16433 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
16434 not register_operand to determine when B may need preloading.
16436 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
16438 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
16439 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
16440 (call-value patterns): Move to end of file.
16441 (*): Remove mode from label_ref in (pc) context.
16442 (movstrqi): Use memory not general_operand for BLKmode operands.
16443 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
16444 to register_operand operands.
16445 (peep2 patterns): Convert from commented-out peephole patterns.
16447 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16449 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
16450 to BUILT_IN_INIT_DWARF_REG_SIZES.
16451 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
16452 Renamed from BUILT_IN_DWARF_REG_SIZE; call
16453 expand_builtin_init_dwarf_reg_sizes.
16454 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
16455 with __builtin_init_dwarf_reg_size_table.
16456 * dwarf2out.c (struct reg_size_range): Delete.
16457 (expand_builtin_init_dwarf_reg_sizes): New function.
16458 (expand_builtin_dwarf_reg_size): Delete.
16459 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
16460 (expand_builtin_dwarf_reg_size): Don't declare.
16461 * libgcc2.c (dwarf_reg_size_table_initialized): New.
16462 (dwarf_reg_size_table): New.
16463 (init_reg_size_table): New function.
16464 (copy_reg): Use dwarf_reg_size_table.
16465 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
16468 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
16470 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
16471 Correctly build argument list to constructor and destructor functions.
16473 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
16475 * c-tree.h (warn_float_equal): Declare.
16476 * c-decl.c (warn_float_equal): Define.
16477 (c_decode_option): Recognize -W[no-]float-equal.
16478 * c-typeck.c (build_binary_op): Conditionally warn
16479 about equality tests of floating point types.
16480 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
16481 * invoke.texi: Add docs for -Wfloat-equal warning.
16483 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
16485 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
16486 generating RTL directly.
16487 * mips.h (INIT_TARGET_OPTABS): Likewise.
16488 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
16490 * expr.h (init_mov_optab): Delete declaration
16492 * h8300.c (WORD_REG_USED): Update to avoid useless register
16493 saves in interrupt functions and functions which never return.
16495 * cse.c (struct set): Delete inner_dest_loc field.
16496 (cse_insn): Remove assignments to inner_dest_loc field.
16498 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
16500 * ggc-page.c: Don't include <unistd.h> etc taken care of
16501 by "system.h". Include <sys/mman.h> afterward.
16503 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
16505 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
16508 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
16510 * xcoffout.c (xcoffout_declare_function): Add documentation.
16511 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
16512 TARGET_64BIT. Compare constant to -1, not bit pattern.
16513 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
16514 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
16517 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
16519 * dwarf2out.c (add_abstract_origin_attribute): Abort if
16520 origin_die is NULL.
16521 (gen_inlined_enumeration_type_die): Do not abort if the type has
16522 not been writeen out.
16523 (gen_inlined_structure_type_die): Do not abort if the type has
16524 not been writeen out.
16525 (gen_inlined_union_type_die): Do not abort if the type has
16526 not been writeen out.
16527 (gen_tagged_type_instantiation_die): Do not abort if the type
16528 has not been written out.
16530 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16532 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
16534 * reg-stack.c (straighten_stack): Copy hard reg set with
16537 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
16539 * builtins.c (stabilize_va_list): Stabilize array type va_list
16540 to a pointer type, not the base record type.
16541 (expand_builtin_va_copy): Dereference the pointers explicitly;
16542 use the correct size for the copy.
16544 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
16545 (rs6000_va_arg): Likewise.
16547 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
16549 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
16551 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
16553 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
16555 (DECL_BUILT_IN_CLASS): Adjust accordingly.
16557 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
16559 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
16560 (init_ggc): Use it instead of a constant.
16561 (ggc_collect): Bound allocated_last_gc by it.
16563 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
16565 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
16568 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
16570 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
16571 (mips*-*-openbsd*): Let big endian configuration be a fragment.
16572 * configure: Regen.
16573 * config/mips/openbsd.h: New, OpenBSD little endian target.
16574 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
16575 * config/mips/xm-openbsd.h: New, OpenBSD host.
16577 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
16579 * config/m68k/m68k.c (output_function_prologue,
16580 output_function_epilogue): Use
16581 current_function_uses_pic_offset_table instead of regs_ever_live
16582 to decide whether to save/restore pic register.
16583 (legitimize_pic_address): Don't modify regs_ever_live any more.
16585 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
16587 * function.h (struct function): Add x_dont_save_pending_sizes_p.
16588 * stor-layout.c (variable_size): Don't add sizes to the pending
16589 sizes list if x_dont_save_pending_sizes_p is set.
16591 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
16593 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
16594 for symbolic_operand().
16595 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
16597 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16599 * combine.c (gen_rtx_combine): Add missing call to va_end().
16601 * final.c (asm_fprintf): Likewise.
16603 * genattrtab.c (attr_rtx): Likewise.
16605 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
16607 * cse.c: Update comments.
16608 (cse_insn): When converting a conditional/computed jump into
16609 an unconditional jump, always make sure a BARRIER immediately
16610 follows the converted jump. Do not delete unreachable code.
16611 (cse_basic_block): Do not delete unreachable code.
16612 * toplev.c (rest_of_compilation): Move call to
16613 delete_trivially_dead_insns after the conditional call to
16616 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16618 * collect2.c (make_temp_file): Don't prototype.
16620 * gcc.c (make_temp_file): Likewise.
16622 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
16624 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
16626 * varasm.c (asm_emit_uninitialised): New function: Generate
16627 the assembler statements necessary to declare an uninitialised
16629 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
16631 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
16632 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
16634 (assemble_variable): Use asm_emit_uninitialised to emit an
16635 uninitialised variable.
16637 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
16639 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
16640 constant on a 64 bit host. Patch supplied by Geoffrey Keating
16641 <geoffk@cygnus.com>.
16643 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16645 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
16646 * c-common.h (builtin_function): Don't declare.
16648 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
16650 (pushdecl): Likewise.
16651 (finish_decl): Likewise.
16652 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
16653 int. All callers changed.
16654 Set the builtin's DECL_BUILT_IN_CLASS.
16655 * tree.h (enum built_in_class): New.
16656 (enum built_in_function): Delete NOT_BUILT_IN.
16657 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
16659 (DECL_SET_FUNCTION_CODE): Likewise.
16660 (DECL_BUILT_IN_CLASS): New macro.
16661 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
16662 (struct tree_decl): Split builtin function code field into a
16664 (builtin_function): Declare.
16666 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
16668 * optabs.c (init_traps): Fix typo in last change.
16670 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
16672 * toplev.c (rest_of_decl_compilation): Update comment.
16674 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16676 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
16677 in .sbss if appropriate.
16678 (EXTRA_SECTION_FUNCTIONS): Add sbss.
16679 (SBSS_SECTION_ASM_OP): New macro.
16680 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
16681 (EXTRA_SECTIONS): Add in_sbss.
16682 * config/mips/mips.h: Prototype sbss_section.
16684 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
16686 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
16689 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
16691 * optabs.c (init_traps): Register trap_rtx as a GC root.
16693 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16695 * config/mips/mips.c (function_arg_pass_by_reference): Define
16696 unconditionally, since it's called unconditionally.
16698 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16700 * toplev.c (documented_lang_options): Add -fshort-wchar.
16701 * c-decl.c (c_decode_option): Likewise.
16702 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
16704 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
16705 * gcc.c (default_compilers): If -fshort-wchar,
16706 override __WCHAR_TYPE__.
16707 * tm.texi (C Dialect Options): Add -fshort-wchar.
16709 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
16710 symbol for a variable.
16712 * cpplib.h (CPP_PREPROCESSED): New macro.
16713 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
16714 we're seeing this input for a second time.
16716 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
16718 * emit-rtl.c (init_emit_once): Initialize modes first.
16720 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
16722 * config/i386/i386.c (pic_label_name): Change to char pointer.
16723 (global_offset_table): New variable.
16724 (load_pic_register): Fill global_offset_table if it hasn't
16725 already been done. Allocate pic_label_name dynamically.
16726 * ggc.h (empty_string): New variable.
16727 * ggc-simple.c (empty_string): Likewise.
16728 (init_ggc): Allocate empty_string and add as root.
16729 * stmt.c (digit_strings): New variable.
16730 (init_stmt): Add last_block_end_note as root. Allocate and
16731 initialize digit_strings.
16732 (expand_asm_operands): Use empty_string instead of string
16733 constant. Use digit_strings instead of string constants.
16734 * profile.c (init_arc_profiler): Allocate string with
16735 ggc_alloc_string instead of xmalloc.
16736 (output_func_start_profiler): Likewise.
16737 * c-typeck.c (digest_init): Check if init is error_mark_node.
16739 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
16740 Richard Henderson <rth@cygnus.com>
16742 * ggc-page.c: New file.
16743 * Makefile.in (ggc-page.o): New.
16745 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
16747 * invoke.texi: Document -fdelete-null-pointer-checks
16748 * toplev.c (flag_delete_null_pointer_checks): New.
16749 (f_options): Add entry for -fdelete-null-pointer-checks.
16750 (rest_of_compilation): Conditionalize null pointer check
16751 elimination on flag_delete_null_pointer_checks.
16752 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
16754 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
16756 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
16757 copyright notice and special exception to GPL.
16759 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16761 * abi64.h (mips_function_value): Add prototype arguments.
16763 * mips-protos.h: New file with mips prototypes.
16765 * mips.c: Include "tm_p.h".
16766 (mktemp, lookup_name): Add prototype arguments.
16767 (extern_list, string_constant, mips_fill_delay_slot,
16768 mips_output_external, mips_output_external_libcall,
16769 mips_output_filename, mips_declare_object, function_prologue,
16770 mips_expand_prologue, function_epilogue, mips16_constant,
16771 build_mips16_function_stub, mips_output_conditional_branch):
16773 (mips_va_start): Remove unused variable `u'.
16774 (mips_va_arg): Cast value to unsigned when comparing against one.
16776 (save_restore_insns, mips_expand_prologue): Add missing arg in
16777 call to `large_int'.
16779 * mips.h: Move prototypes to mips-protos.h.
16780 (data_section, memory_address_p, rdata_section,
16781 readonly_data_section, simple_epilogue_p, text_section): Delete
16782 prototypes delcared elsewhere.
16783 (mips_epilogue_delay_slots, print_options): Delete unused decls.
16785 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
16787 * mips.md: Delete extra args in call to `mips_move_2words'.
16789 * xm-iris6.h (alloca): Add prototype argument.
16791 * genpeep.c: Include "tm_p.h" in generated output file.
16793 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16795 * basic-block.h (find_edge_index): Change parameters.
16796 * flow.c (verify_edge_list): Pass basic_block parameters to
16797 find_edge_index instead of integers.
16799 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
16801 * combine.c (simplify_comparison): Use an unsigned shift to adjust
16804 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
16806 * gcc.1: Fix a formatting error.
16808 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16810 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
16811 i786, mn10200, mn10300, pdp11, v850.
16813 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
16815 * libgcc2.c (num_digits): Add prototype with
16816 __attribute__((const)).
16817 (__terminate): Add prototype.
16819 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
16821 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
16823 * alpha/alpha.c (print_operand): Fix type of `code'.
16824 (alpha_output_filename): Constify.
16825 * alpha/alpha.h: Move all function declarations ...
16826 * alpha/alpha-protos.h: ... here. New file.
16827 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
16828 (SECTION_FUNCTION_TEMPLATE): Likewise.
16830 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16832 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
16833 * expr.c (expand_expr): Likewise.
16834 (do_jump): Likewise.
16835 (do_store_flag): Pass ccp_store_flag to can_compare_p.
16836 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
16838 (enum can_compare_purpose): New.
16839 (can_compare_p): Adjust prototype.
16840 (prepare_cmp_insn, prepare_operand): Declare.
16841 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
16842 * optabs.c (cmp_available_p): Deleted.
16843 (expand_abs): Pass ccp_jump to can_compare_p.
16844 (can_compare_p): New arg PURPOSE. Check for combined optabs.
16845 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
16846 Call can_compare_p rather than cmp_available_p.
16847 (prepare_operand): No longer static.
16848 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
16849 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
16850 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
16851 sequence to use emit_cmp_and_jump_insns.
16852 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
16854 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
16856 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
16857 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
16858 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
16859 (plus (reg) (const_int 0))
16860 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
16862 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
16864 * rs6000.c (expand_block_move): DImode loads and stores require
16865 word-aligned displacements. Increment address registers with
16866 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
16868 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
16870 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
16871 is no name for the base type, rather than segfault. If we are
16872 writing out a complex integer type, use DW_ATE_lo_user.
16874 * expr.c (emit_move_insn_1): If we are copying a complex that fits
16875 in one word or less (complex char, complex short, or on 64 bit
16876 systems complex float) to/from a hard register, copy it through
16877 memory instead of dying in gen_{real,imag}part. If we have a
16878 short complex type, prevent inlining since it allocates stack
16881 * tree.c (build_complex_type): If we are writing dwarf2 output,
16882 generate a name for complex integer types.
16884 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16886 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
16887 * flow.c (remove_edge): Remove extra whitespace.
16888 (remove_fake_edges): Fix comment.
16889 (add_noreturn_fake_exit_edges): Use the correct name.
16891 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
16893 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
16894 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
16895 (clean): Depend on INTL_CLEAN.
16896 (maintainer-clean): Adjust.
16898 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16900 * configure.in (AC_PREREQ): Bump to 2.13.
16901 (AC_C_STRINGIZE): Call this instead of using a custom macro.
16903 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
16905 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
16907 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
16909 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
16910 (HAVE_STRINGIZE): Define.
16912 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
16914 * c-parse.in: save and restore warn_pointer_arith on __extension__
16915 along with pedantic.
16916 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
16917 Set the type of extension to itype rather than $<itype>1 kludge.
16918 * extend.texi (Alternate Keywords): Adjust documentation.
16919 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
16921 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
16923 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
16924 most assembler templates.
16926 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
16927 FP loads and stores.
16928 (following_call): Always return zero for the PA8000.
16929 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
16930 FP loads and stores.
16931 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
16933 * pa.h (BRANCH_COST): Define.
16935 * pa.md (return, return_internal): Use bve for PA2.0.
16937 * pa.md (fused multiply): Add variants which reduce height for the
16938 fused multiply, but which still generate 2 insns.
16939 (fnegabs): Similarly.
16941 * pa.md (subsi3): Turn into an expander. Create two anonymous
16942 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
16943 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
16945 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
16947 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
16949 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
16950 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
16952 * regclass.c (init_regs): Add "top_of_stack" as a garbage
16955 * flow.c (record_active_eh_regions): Terminate loop after finding
16956 the last insn in the last basic block.
16958 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16960 * config/c4x/c4x.md: Delete parallel instruction peepholes.
16962 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16964 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
16966 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16968 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
16969 splitting to not use output template.
16971 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16973 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
16974 * config/c4x/c4x.c (c4x_va_start): New function.
16976 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
16978 * genrecog.c (not_both_true): Handle correctly cases when called for
16979 tests with different positions in the insn.
16981 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16983 * machmode.h (HOST_PTR_PRINTF): Move from here ...
16985 * system.h (HOST_PTR_PRINTF): ... to here.
16987 * mips-tfile.c: Don't include machmode.h.
16989 * Makefile.in (MACHMODE_H): New variable. Update to use it.
16990 (mips-tfile.o): Don't depend on machmode.h.
16992 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16994 * haifa-sched.c (sched_analyze): Rename local variable `region' to
16995 avoid conflicts with typedef struct `region' at the top level scope.
16997 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
16999 * basic-block.h (basic_block): Add eh_beg, eh_end.
17000 * flow.c (entry_exit_blocks): Update.
17001 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
17002 Call new functions.
17003 (find_basic_blocks_1): Don't record eh_list at each bb. Use
17004 lists.c functions to allocate insn lists.
17005 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
17007 (make_eh_edge): ... here. New.
17008 (move_stray_eh_region_notes): New.
17009 (record_active_eh_regions): New.
17010 (delete_unreachable_blocks): Split out block merging ...
17011 (try_merge_blocks): ... here. New.
17012 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
17013 Dump debugging data.
17014 (merge_blocks_move_successor_nojumps): Likewise.
17015 (merge_blocks): Use eh_beg+eh_end to validate block movement.
17017 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17019 * extend.texi (Bound member functions): Document unbound pmf
17022 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17024 * flow.c (split_edge): Handle insertion on a fallthrough edge which
17025 has the EXIT_BLOCK as a dest.
17027 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17029 * flow.c (remove_edge): New function to remove an edge from the
17031 (remove_fake_successors): New function to remove fake successor edges.
17032 (remove_fake_edges): New function to remove all fake edges from the
17034 (add_fake_exit_edges): New function to add fake edges from all blocks
17035 with no successors to the exit block.
17036 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
17037 prototypes for new functions.
17039 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17041 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
17042 Use Pmode to determine whether to output .dword or .word.
17044 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
17046 * tree.c (built_in_filename): New variable.
17047 (BUILT_IN_FILENAME): New macro.
17048 (init_tree_codes): Allocate built_in_filename.
17049 (make_node): Use built_in_filename instead of string constant.
17051 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
17053 * configure.in: Add fr30 target.
17054 * configure: Regenerate.
17055 * config/fr30: New directory.
17056 * config/fr30/crti.asm: New file.
17057 * config/fr30/fr30.c: New file.
17058 * config/fr30/crtn.asm: New file.
17059 * config/fr30/fr30.h: New file.
17060 * config/fr30/fr30.md: New file.
17061 * config/fr30/lib1funcs.asm: New file.
17062 * config/fr30/t-fr30: New file.
17063 * config/fr30/xm-fr30.h: New file.
17065 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
17067 * flow.c (merge_blocks_move_successor_nojumps): Delete the
17068 BARRIER at the end of the successor, not the BARRIER before
17071 * pa.c (pa_add_gc_roots): Fix thinko in last change.
17073 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
17075 * stmt.c (any_pending_cleanups): Don't crash when
17076 current_function->stmt is unset.
17078 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17080 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
17081 other initializations that may use it for relative offsets.
17083 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17085 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
17086 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
17087 * config/i386/sol2dbg.h: Removed.
17088 * config/i386/sol2gas.h: New file, to enable gas work-around.
17089 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
17090 Don't use sol2dbg.h.
17091 * configure: Rebuilt.
17093 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
17095 * invoke.texi (-fthis-is-variable): Remove documentation.
17097 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
17099 * basic-block.h (compute_bb_for_insn): Declare.
17100 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
17101 to use; set size of basic_block_for_insn directly.
17102 (find_basic_blocks): Update.
17104 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17106 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
17108 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17110 * crtstuff.c (ON_EXIT): Delete empty macro definition.
17111 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
17113 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
17115 * c-decl.c (c_decode_option): Extend comment.
17117 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
17119 * toplev.c (progname): Make 'const char *'
17120 (flag_print_mem): Move out of main.
17121 (version_flag): Move out of main.
17122 (filename): Move out of main.
17123 (debug_args): Remove g prefix from options.
17124 (documented_lang_options): Remove cpplib specific options.
17125 (display_help): Add g prefix to debug options.
17126 (check_lang_option): Delete this function.
17127 (decode_d_option): New function: Decode -d... option.
17128 (decode_f_option): New function: Decode -f... option.
17129 (decode_W_option): New function: Decode -W... option.
17130 (decode_g_option): New function: Decode -g... option.
17131 (independent_decode_option): New function: Decode a language
17132 independent command line option.
17133 (main): Invoke lang_decode_option and then
17134 independent_decode_option on each command line option in
17137 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
17139 Revert this change. Gavin's patch to operand_equal_p is a better fix.
17140 * fold-const.c (fold_range_test): Do not try to fold the range
17141 test if the rhs or lhs has side effects.
17143 * basic-block.h (compute_flow_dominators): Declare.
17145 * gcse.c (alloc_code_hoist_mem): New function.
17146 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
17147 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
17148 (hoist_code, one_code_hoisting_pass): Likewise.
17149 (gcse_main): If optimizing for size, then hoist expressions
17150 computed in multiple dominated basic blocks.
17152 * gcse.c (invalid_nonnull_info): New function.
17153 (delete_null_pointer_checks): Likewise.
17154 * rtl.h (delete_null_pointer_checks): Declare.
17155 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
17157 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
17158 (merge-blocks_move_successor_nojumps): Likewise.
17159 (merge_blocks): Allow merging of some blocks, even if it requires
17160 physical movement of the blocks, but not if it requires new jumps.
17162 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
17163 Callers and prototype changed.
17164 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
17166 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17168 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
17169 -YP when both -p and -pg are present. From i386/sol2.h.
17171 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17173 * Makefile.in (distclean): Delete tm_p.h.
17174 * configure.in: Create a new file, "tm_p.h", from a list in
17175 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
17176 "i386/i386-protos.h".
17178 * alias.c: Include "tm_p.h".
17179 * c-typeck.c: Likewise.
17180 * calls.c: Likewise.
17182 * emit-rtl.c: Likewise.
17183 * explow.c: Likewise.
17184 * expmed.c: Likewise.
17185 * expr.c: Likewise.
17186 * final.c: Likewise.
17187 * flow.c: Likewise.
17188 * fold-const.c: Likewise.
17189 * function.c: Likewise.
17190 * gcse.c: Likewise.
17191 * global.c: Likewise.
17192 * haifa-sched.c: Likewise.
17193 * integrate.c: Likewise.
17194 * jump.c: Likewise.
17195 * local-alloc.c: Likewise.
17196 * loop.c: Likewise.
17197 * optabs.c: Likewise.
17198 * recog.c: Likewise.
17199 * reg-stack.c: Likewise.
17200 * regclass.c: Likewise.
17201 * regmove.c: Likewise.
17202 * reload.c: Likewise.
17203 * reload1.c: Likewise.
17204 * reorg.c: Likewise.
17205 * resource.c: Likewise.
17206 * stmt.c: Likewise.
17207 * stor-layout.c: Likewise.
17208 * toplev.c: Likewise.
17209 * tree.c: Likewise.
17210 * unroll.c: Likewise.
17211 * genattrtab.c (main): Make generated file include "tm_p.h".
17212 * genemit.c (main): Likewise.
17213 * genoutput.c (main): Likewise.
17214 * genrecog.c (main): Likewise.
17216 * i386.h: Delete all prototypes.
17217 * i386.c: Include "tm_p.h".
17218 (ix86_attr_length_default): Call constant_call_address_operand
17219 with correct number of arguments.
17220 * i386-protos.h: New file.
17221 * i386.md (unnamed patterns): Call constant_call_address_operand
17222 with correct number of arguments.
17223 (exception_receiver): Call load_pic_register with correct number
17226 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
17228 * c-pragma.c (mark_align_stack): Dereference the void* properly.
17230 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
17232 * rtl.h (insns_safe_to_move_p): New function.
17233 * loop.c (find_and_verify_loops): Use it.
17234 * rtlanal.c (insns_safe_to_move_p): Define it.
17236 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
17238 * c-pragma.c: Include ggc.h.
17239 * Makefile.in (c-pragma.o): Update.
17241 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17243 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
17244 (LIB_SPEC): Likewise.
17245 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
17246 Reindent -YP/-p/-pg.
17247 Copied from config/sparc/sol2.h.
17249 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
17251 * c-pragma.c (mark_align_stack): New.
17252 (init_pragma): New.
17253 * c-pragma.h (init_pragma): Declare it.
17254 * c-lex.c (init_parse): Call it.
17256 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17258 * configure.in: Pick up thread library on Solaris/x86 just
17259 like on Solaris/sparc.
17260 * configure: Rebuilt.
17262 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
17264 * rtl.h (global_rtx_index): New enum.
17265 (global_rtl): Change to array of rtx.
17266 (pc_rtx, cc0_rtx): Redefine accordingly.
17267 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
17268 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
17269 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
17270 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
17271 (const_int_rtx): Change to array of rtx.
17272 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
17274 * emit-rtl.c (global_rtl): Change to array of rtx.
17275 (const_int_rtx): Change to aray of rtx.
17276 (gen_rtx_CONST_INT): Redefine accordingly.
17277 (init_emit_once): Allocate and initialize global_rtl. Likewise
17278 for const_int_rtx. Add both as GC roots.
17279 * genattrtab.c (global_rtl): Update declaration.
17281 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
17283 * Makefile (USER_H): Add iso646.h back.
17285 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
17287 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
17288 zapping the LOG_LINKS of sched_before_next_call.
17290 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
17291 * pa.c (insn_refs_are_delayed): Renamed from
17292 insn_sets_and_refs_are_delayed.
17294 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
17296 * functiion.h (struct function): Add x_whole_function_mode_p.
17297 (retrofit_block): Declare.
17298 * function.c (retrofit_block): New function.
17299 (identify_blocks): Add assertions. Allow an incomplete set of
17300 block notes if we're still generating code for the function.
17301 * integrate.c: Include loop.h.
17302 (expand_inline_function): Call find_loop_tree_blocks to map block
17303 notes to blocks when in whole-function mode. Use retrofit_block
17304 to insert new BLOCKs for the inlined function, rather than
17306 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
17307 * Makefile.in (integrate.o): Depend on loop.h.
17309 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
17311 * tree.h (warn_about_unused_variables): Declare.
17312 * stmt.c (warn_about_unused_variables): New function, split out
17314 (expand_end_bindings): Here.
17316 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
17318 * stmt.c (preserve_subexpressions_p): Don't crash when
17319 current_function->stmt is unset.
17321 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
17323 * stmt.c (expand_start_bindings): Allow callers to pass a flag
17324 indicating that no NOTE_INSN_BLOCK_BEG note is required.
17325 (expand_start_target_temps): Use it.
17326 * except.c (expand_eh_region_start_for_decl): Likewise.
17327 * expr.c (expand_expr): Likewise.
17329 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17331 * fold-const.c (operand_equal_p): Pay attention to side effects.
17333 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17335 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
17336 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
17338 * tlink.c (scan_linker_output): Look for keywords before accepting
17339 a mangled name in quotes.
17341 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
17343 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
17344 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
17346 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
17348 * alpha.md: Revert Thu Nov 26 change that came in through the
17349 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
17350 Avoid earlyclobber when possible.
17352 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17354 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
17356 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
17357 Define HAVE_ON_EXIT.
17359 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17361 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
17362 CTYPE_CONV in all ctype macros.
17364 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
17367 * cexp.y (initialize_random_junk): Likewise.
17369 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
17371 * i370.c (handle_pragma): Likewise.
17373 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
17375 * v850.c (override_options): Likewise.
17377 * doprint.c (_doprnt): Likewise.
17379 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
17382 * fixinc/server.c (load_data): Likewise.
17384 * fold-const.c (real_hex_to_f): Likewise.
17386 * genattr.c (write_upcase, gen_attr): Likewise.
17388 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
17389 write_upcase): Likewise.
17391 * genemit.c (print_code): Likewise.
17393 * genopinit.c (gen_insn): Likewise.
17395 * genpeep.c (print_code): Likewise.
17397 * genrecog.c (print_code): Likewise.
17399 * optabs.c (init_libfuncs): Likewise.
17401 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
17403 * haifa-sched.c (sched_analyze): Keep the list of notes organized
17405 (reemit_notes): Likewise.
17407 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
17409 * ggc.h (ggc_root): Move to ggc-common.c.
17411 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
17412 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
17413 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
17414 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
17415 * ggc-common.c (ggc_root): Move from ggc.h.
17416 (roots): Declare, static.
17417 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
17418 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
17419 null or check/set mark bit.
17420 (ggc_mark_roots): New.
17421 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
17423 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
17425 * m32r.c: Include toplev.h.
17426 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
17427 (gen_compare): Rename swap_p to must_swap to match uses.
17428 Add default abort case.
17429 (m32r_output_function_epilogue): Remove unused variables.
17430 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
17431 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
17432 define to empty parameter list. Update all uses.
17433 (predicate decls): Use enum machine_mode not int.
17434 * m32r.md (movsi): Call abort, not fatal_insn.
17435 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
17437 1999-09-14 Andrew Haley <aph@cygnus.com>
17439 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
17440 use $0 instead of 0.
17442 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17444 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
17445 computation out of loop over hard regs.
17447 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
17449 * function.c (identify_blocks): Don't shadow a variable in an
17451 * integrate.c (integrate_decl_tree): Don't use pushlevel,
17452 pushdecl, or poplevel to build up the new BLOCK tree.
17453 (expand_inline_function): Likewise.
17454 (integrate_parm_decls): Likewise.
17456 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
17458 * c-typeck.c (qualify_type): Merge qualifiers from both types.
17460 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
17462 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
17463 * invoke.texi: Document this change.
17465 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
17467 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
17469 (mark_emit_status): Renamed from mark_emit_state.
17470 * except.c (mark_eh_status): Renamed from mark_eh_state.
17471 Check not null before marking.
17472 (free_eh_status): New.
17473 * expr.c (mark_expr_status, free_expr_status): New.
17474 * function.c (free_machine_status): New.
17475 (free_after_parsing): New.
17476 (free_after_compilation): Move bits to free_after_parsing; call
17477 free_eh_status, free_expr_status; zero the marked members of the
17479 (prepare_function_start): No can_garbage_collect.
17480 Call init_eh_for_function.
17481 (expand_dummy_function_end): Free up current_function state.
17482 (mark_function_status): Renamed from mark_function_state.
17483 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
17484 * function.h (struct function): No can_garbage_collect.
17485 (free_machine_status, free_after_parsing): Declare.
17486 (free_eh_status, free_expr_status): Declare.
17487 * ggc.h (mark_expr_status): Declare.
17488 * stmt.c (free_stmt_status): Free the struct.
17489 (mark_stmt_status): Renamed from mark_stmt_state.
17490 (init_stmt): Don't call init_eh.
17491 (init_stmt_for_function): Don't call init_eh_for_function.
17492 * toplev.c (compile_file): Call init_eh.
17493 (rest_of_compilation): Free basic block info before ggc_collect.
17494 Call free_after_parsing; conditionally call free_after_compilation.
17495 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
17496 Check not null before marking.
17497 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
17499 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
17501 * c-lex.c (yylex): Initialize warn.
17503 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
17505 * pa.c (emit_move_sequence): Properly set the mode of the scratch
17506 register when performing secondary reloads for the SAR register.
17508 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
17510 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
17511 (NOTE_BLOCK): New macro.
17512 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
17513 * function.h (identify_blocks): Change prototype.
17514 * function.c (identify_blocks): Simplify.
17515 (reorder_blocks): Likewise.
17516 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
17517 NOTE_INSN_BLOCK_{BEG,END}.
17518 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
17519 the list of saved notes if the note isn't a
17520 NOTE_INSN_BLOCK_{BEG,END}.
17521 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
17523 (reemit_notes): Adjust recreation of notes to reflect new saved
17525 * print-rtl.c (print_rtx): Print the address of the BLOCK when
17526 printing a block note.
17527 * stmt.c (block_vector): Remove.
17528 (find_loop_tree_blocks): Simplify.
17529 (unroll_block_trees): Likewise.
17530 * tree.h (reorder_block): Change prototype.
17532 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
17534 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
17535 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
17536 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
17537 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
17538 (atexit, exit): Simplify.
17539 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
17540 * config/lots: Remove defns of HAVE_ATEXIT.
17542 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
17544 * calls.c (precompute_arguments): Fix typo in comment.
17545 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
17548 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
17550 * dsp16xx.c (override_options): Fix typos in GC root registration.
17552 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
17554 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
17555 from config/svr4.h.
17556 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
17557 (FUNCTION_PROFILER): Redefine appropriately for Linux.
17558 (CC1_SPEC): Likewise.
17560 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17562 * genattr.c (main): Add extern prototype. Call return, not exit.
17563 * genattrtab.c (main): Likewise.
17564 * gencheck.c (main): Likewise.
17565 * gencodes.c (main): Likewise.
17566 * genconfig.c (main): Likewise.
17567 * genemit.c (main): Likewise.
17568 * genextract.c (main): Likewise.
17569 * genflags.c (main): Likewise.
17570 * gengenrtl.c (main): Likewise.
17571 * genopinit.c (main): Likewise.
17572 * genoutput.c (main): Likewise.
17573 * genpeep.c (main): Likewise.
17574 * genrecog.c (main): Likewise.
17576 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
17577 * genattrtab.c (get_insn_name): Likewise.
17578 * gencodes.c (get_insn_name): Likewise.
17579 * genconfig.c (get_insn_name): Likewise.
17580 * genemit.c (get_insn_name): Likewise.
17581 * genextract.c (get_insn_name): Likewise.
17582 * genflags.c (get_insn_name): Likewise.
17583 * genopinit.c (get_insn_name): Likewise.
17584 * genpeep.c (get_insn_name): Likewise.
17586 * gencheck.c (usage): Add static prototype.
17587 * genextract.c (print_path): Constify a char*.
17588 * genopinit.c (optabs): Likewise.
17589 * genoutput.c (operand_data, data, output_predicate_decls,
17590 compare_operands): Likewise.
17591 * genrecog.c (write_tree): Add default case in switch.
17593 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17595 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
17597 * print-rtl.c (get_insn_name): Remove prototype.
17599 * toplev.h (progname): Declare const.
17601 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
17602 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
17603 dump_sched_info, dump_local_alloc, regset_release_memory,
17604 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
17605 error_with_file_and_line, error_with_decl, error_for_asm, error,
17606 fatal, warning_with_file_and_line, warning_with_decl, warning,
17607 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
17608 Remove redundant prototypes.
17610 (notice, check_lang_option, report_file_and_line, vnotice,
17611 mark_file_stack): Add static prototype.
17612 (set_fatal_function): Add prototype.
17613 (vnotice, report_file_and_line, set_fatal_function,
17614 check_lang_option): Constify a char*.
17615 (main): Prototype. Call return, not exit.
17617 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17619 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
17621 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
17623 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
17625 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
17627 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17629 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
17630 behave as if it's zero in all cases.
17631 (expand_function_start): Adjust call to assign_parms.
17632 * tree.h (assign_parms): Adjust prototype.
17633 * objc/objc-act.c (hack_method_prototype): Adjust call to
17636 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
17638 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
17639 arg_pointer_rtx fixed if the argument pointer register is
17641 (NONZERO_BASE_PLUS_P): Likewise.
17643 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
17645 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
17646 match_insn2 to match_insn.
17647 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
17649 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
17651 * Makefile.in (USER_H): Remove va-foo.h.
17653 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
17654 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
17655 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
17656 va-spur.h,va-v850.h}: Remove.
17658 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
17660 * sparc/sparc.md (eligible_for_return_delay): New attribute.
17661 (in_return_delay): Use it instead of match_insn.
17663 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17665 * config/alpha/va_list.h (va-alpha.h): Do not include.
17666 (__gnuc_va_list): Typedef as in varargs.h.
17668 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
17670 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
17671 DECL_LIVE_RANGE_RTL.
17673 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
17675 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
17676 not NOTE_BLOCK_NUMBER.
17677 (expand_eh_region_end): Likewise.
17678 (find_exception_handler_labels): Likewise.
17679 (scan_region): Likewise.
17680 (exception_optimize): Likewise.
17681 (update_rethrow_references): Likewise.
17682 (set_insn_eh_region): Likewise.
17683 * final.c (final_scan_insn): Likewise.
17684 * flow.c (make_edges): Likewise.
17685 * integrate.c (expand_inline_function): Likewise.
17686 * print-rtl.c (print_rtx): Likewise.
17688 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
17690 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
17691 terms of builtin functions and types.
17693 * mips.c (mips_build_va_list): New.
17694 (mips_va_start, mips_va_arg): New.
17695 * mips.h (BUILD_VA_LIST_TYPE): New.
17696 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17698 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
17699 (sh_build_va_list, sh_va_start, sh_va_arg): New.
17700 * sh.h (BUILD_VA_LIST_TYPE): New.
17701 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17703 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
17705 * recog.h (struct recog_data): Make dup_num, operand_address_p,
17706 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
17707 (struct insn_data): Likewise with n_operands, n_dups,
17708 n_alternatives, output_format.
17709 * regclass.c (scan_one_insn): Cast n_operands to int before
17710 arithmetic inside comparison.
17712 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
17714 * toplev.c (compile_function): Unconditionally emit nop.
17716 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17718 * haifa-sched.c (actual_hazard): Move declaration of variable
17719 `this_cost' into the scope where it is used.
17721 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17723 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
17724 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
17725 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
17727 * genrecog.c (make_insn_sequence): Call memset, not bzero.
17729 * jump.c (find_insert_position): Don't declare or define unless
17730 !HAVE_conditional_arithmetic.
17731 (returnjump_p_1, delete_prior_computation): Add static prototypes.
17733 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
17735 * recog.c (offsettable_address_p): Prototype function pointer.
17736 (preprocess_constraints): Call memset, not bzero.
17738 * tree.c (tree_node_kind_names): Constify a char*. Make static.
17739 (gcc_obstack_init): Don't declare.
17740 (fix_sizetype): Add static prototype.
17741 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
17742 (tree_cons): Call memset, not bzero.
17744 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
17745 definition in macro ASM_WEAKEN_LABEL.
17746 (mark_const_hash_entry): Add static prototype.
17748 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17750 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
17752 * unroll.c (find_common_reg_term, subtract_reg_term,
17753 loop_find_equiv_value): Add static prototypes.
17754 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
17755 (copy_loop_body): Remove unreachable break statement.
17757 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
17759 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
17761 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17763 Undo some changes from the gcc2 merge:
17764 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
17765 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
17769 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
17770 * emit-rtl.c (gen_lowpart_common): Disable optimization of
17771 initialized float-int union if the value is a NaN.
17773 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
17775 * gthr-win32.h: New file.
17777 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
17778 shared as a valid attribute.
17779 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
17780 * extend.texi: Document `shared' variable attribute.
17782 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
17784 * configure.in: Handle --enable-threads on FreeBSD.
17785 * configure: Rebuit.
17787 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17789 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
17791 * configure: Rebuilt.
17793 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
17794 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
17795 Rosimildo DaSilva <rdasilva@connecttel.com>
17797 * configure.in (m68k-*-rtemscoff*): Added.
17798 * configure.in (mips64orion-*-rtems*): Converted to ELF.
17799 * configure.in (sparc-*-rtemsaout*): Added as alias for old
17800 sparc-rtems configuration.
17801 * configure.in (sparc-*-rtemself*): Added.
17802 * configure.in (sparc-*-rtems*): Now ELF not a.out.
17803 * config/i386/rtems.h: Added comment.
17804 * config/sparc/rtemself.h: New file.
17806 * configure.in (m68k-rtemself): Added.
17807 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
17808 and DWARF_DEBUGGING_INFO.
17809 * config/m68k/crti.s: New file.
17810 * config/m68k/crtn.s: New file.
17811 * config/m68k/t-crtstuff: New file.
17812 * config/m68k/rtemself.h: New file.
17814 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
17815 global ctor/dtor and C++ exception handling.
17816 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
17817 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
17819 * config/i386/t-rtems-i386: New File.
17821 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
17823 * stmt.c (expand_end_case): Return right away if the case stack is
17826 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
17828 * Makefile.in (version.c): Remove rule incorrectly brought in from
17831 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
17833 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
17834 * msdos/top.sed: Take into account a prepended $(SHELL) to
17836 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
17838 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
17840 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17842 * regmove.c (fixup_match_1): Don't change an unchanging register.
17843 (stable_but_for_p): Renamed to:
17844 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
17845 Changed all callers.
17847 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
17849 * loop.c (strength_reduce): Don't call reg_used_between_p if the
17850 insn from BL2 is after the insn from BL.
17852 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
17854 * recog.h (INSN_OUTPUT_FORMAT_*): New.
17855 (struct insn_data): Merge `template' and `outfun' into `output'.
17856 Add `output_format'.
17857 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
17858 (struct data): Remove `outfun'; add `output_format'.
17859 (name_for_index): Remove declaration.
17860 (output_insn_data): Handle output formats.
17861 (process_template): Emit the bare array for @.
17862 (gen_expand, gen_split): Set output_format to NONE.
17863 * output.h (get_insn_template): Declare.
17864 * final.c (get_insn_template): New.
17865 (final_scan_insn): Use it.
17866 * toplev.c (compile_file): Likewise.
17868 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17869 * i860/i860.c (output_delayed_branch): Likewise.
17870 (output_delay_insn): Likewise.
17872 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17874 * rtl.c (obstack_alloc_rtx): Removed.
17876 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
17878 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
17880 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17882 * i386.c (call_insn_operand): Reject const_int.
17883 (expander_call_insn_operand): Use call_insn_operand.
17885 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17887 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
17889 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
17891 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
17892 Use DImode operation.
17894 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
17896 * gcc.c: Include sys/resource.h.
17897 (report_times): New flag.
17898 (execute): If report_times is set, calculate and report the
17899 CPU time consumed by each subprocess.
17901 (rus, prus): New globals.
17902 (option_map): Add --time.
17903 (display_help): Document -time.
17904 (process_command): Set report_times if -time is given.
17905 Turn off -pipe if -time is given.
17907 * invoke.texi: Document new option -time.
17909 * configure.in: Check for getrusage. Check if we have to
17910 prototype getrusage.
17911 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
17912 * configure: Regenerate.
17913 * config.in: Regenerate.
17915 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
17917 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
17920 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
17922 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
17923 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
17924 (nan): Return _thenan_sf or _thenan_df as appropriate.
17925 (L_thenan_sf): Define _thenan_sf.
17926 (L_thenan_df): Define _thenan_df.
17928 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
17929 (DPBIT_FUNCS): Add _thenan_df.
17931 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
17933 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
17936 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17938 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
17941 (lang_specific_driver): Don't take a function pointer parameter.
17942 All callers changed.
17944 * gcc.c: Include gcc.h.
17945 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
17946 lang_specific_extra_outfiles, fatal): Don't declare.
17947 (multilib_defaults_raw): Constify.
17948 (read_specs): Call memset, rather than bzero.
17949 (main): Call return, not exit.
17950 (lookup_compiler): Call memcpy, not bcopy.
17951 (fatal): Make extern.
17953 * cppspec.c: Include gcc.h.
17954 (lang_specific_driver): Initialize variable `quote'. Constify a
17955 char*. All calls to the function pointer parameter now
17956 explicitly call `fatal'.
17958 * gccspec.c (lang_specific_driver): Include gcc.h.
17960 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
17962 * arm.c (note_invalid_constants): Use recog_data.operand_type
17965 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17967 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
17970 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
17971 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
17972 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
17973 reload_secondary_in_reload, reload_secondary_out_reload,
17974 reload_secondary_in_icode, reload_secondary_out_icode,
17975 reload_reg_rtx, reload_when_needed): Delete declarations.
17976 (struct reload): New structure.
17977 (rld): Declare new array.
17978 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
17979 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
17980 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
17981 reload_secondary_in_reload, reload_secondary_out_reload,
17982 reload_secondary_in_icode, reload_secondary_out_icode,
17983 reload_reg_rtx, reload_when_needed): Delete definitions.
17985 (whole file): Replace uses of the deleted arrays with uses of rld.
17986 * reload1.c (whole file): Replace uses of the deleted arrays with
17988 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
17989 explicit loops, not with bcopy.
17991 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
17993 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
17994 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
17995 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
17996 insn_name): Delete and consolidate into new structures.
17997 (insn_operand_predicate_fn): New.
17998 (insn_output_fn): New.
17999 (insn_gen_fn): New.
18000 (struct insn_operand_data): New.
18001 (struct insn_data): New.
18003 (OUT_FCN): Update for insn_data change.
18004 * builtins.c (expand_builtin_strlen): Likewise.
18005 (expand_builtin_memcmp): Likewise.
18006 * combine.c (make_extraction, simplify_comparison): Likewise.
18007 * cse.c (canon_reg, cse_insn): Likewise.
18008 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
18009 * expmed.c (store_bit_field, extract_bit_field): Likewise.
18010 (emit_store_flag): Likewise.
18011 * expr.c (convert_move, emit_block_move): Likewise.
18012 (clear_storage, emit_push_insn, expand_increment): Likewise.
18013 (do_store_flag): Likewise.
18014 * expr.h (GEN_FCN): Likewise.
18015 (insn_gen_function): Die.
18016 * final.c (final_scan_insn): Update for insn_data change.
18017 (output_asm_name): Likewise.
18018 * function.c (fixup_var_refs_1): Likewise.
18019 * loop.c (check_dbra_loop): Likewise.
18020 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
18021 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
18022 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
18023 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
18024 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
18025 * regmove.c (gen_add3_insn): Likewise.
18026 * reload.c (push_secondary_reload, combine_reloads): Likewise.
18027 (find_reloads, find_reloads_address_1): Likewise.
18028 (debug_reload_to_stream): Likewise.
18029 * reload1.c (emit_reload_insns, gen_reload): Likewise.
18030 * stmt.c (expand_end_case): Likewise.
18031 * toplev.c (compile_file): Likewise.
18033 * c4x/c4x.c (c4x_process_after_reload): Likewise.
18034 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18036 * print-rtl.c (insn_name_ptr): Remove declaration.
18037 (get_insn_name): Declare.
18038 (print_rtx): Use it.
18039 * genoutput.c (insn_name_ptr): Remove.
18040 (next_operand_number): New.
18041 (struct operand_data): New.
18042 (null_operand, odata, odata_end): New.
18043 (struct data): Use struct operand_data.
18044 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
18045 (get_insn_name): Renamed from name_for_index.
18046 (output_prologue): Define NO_MD_PROTOTYPES.
18047 (output_predicate_decls): Break out from output_epilogue.
18048 Iterate over the operands list.
18049 (output_operand_data): Break out from output_epilogue. Emit
18050 just the operands list.
18051 (output_insn_data): Break out from output_epilogue. Emit just
18053 (output_epilogue): Remove.
18054 (output_get_insn_name): New.
18055 (constraints, op_n_alternatives, predicates, address_p): Die.
18056 (modes, strict_low, seen): Die.
18057 (scan_operands): Take new param `d' instead of writing to
18058 seven global variables.
18059 (compare_operands): New.
18060 (place_operands): New.
18061 (validate_insn_alternatives): Update for struct data change.
18062 (gen_insn): Don't zero or copy 7 global arrays. Update for
18063 scan_operands; call place_operands.
18064 (gen_peephole, gen_expand, gen_split): Likewise.
18065 (main): Update for new output routines.
18067 * genattr.c (insn_name_ptr): Remove.
18068 (get_insn_name): New function.
18069 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
18070 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
18071 * genrecog.c: Likewise.
18073 * alpha.md (adddi3): Make `pattern' array static.
18075 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18077 * config/c4x/c4x.h (c4x_rpts_cycles_string,
18078 c4x_cpu_version_string): Constify char *.
18079 * config/c4x/c4x.c (c4x_rpts_cycles_string,
18080 c4x_cpu_version_string): Likewise.
18082 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
18084 * tree.c (save_tree_status): Revert 10 Sep change.
18085 (restore_tree_status): Likewise. Call obstack_free with NULL
18086 before freeing the obstack proper.
18088 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
18090 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
18092 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
18093 surrounding context.
18095 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
18097 * tree.c (type_hash_canon): Put all types in the hash-table, when
18100 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
18102 * recog.h (struct recog_data, recog_data): New.
18103 (recog_foo variables): Kill.
18104 * recog.c (recog_operand, recog_operand_loc): Kill.
18105 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
18106 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
18107 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
18108 (recog_data): Define.
18109 (extract_insn): Update all recog_foo references to use recog_data.
18110 (preprocess_constraints, constrain_operands): Likewise.
18111 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
18112 * genattrtab.c (main): Likewise.
18113 * genextract.c (main): Likewise.
18114 * genoutput.c: Likewise.
18115 * genrecog.c (write_subroutine, main): Likewise.
18116 * local-alloc.c (block_alloc): Likewise.
18117 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
18118 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
18119 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
18120 * reload.c (find_reloads, find_reloads_toplev): Likewise.
18121 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
18122 (reload_cse_simplify_operands): Likewise.
18124 * arc/arc.c (arc_final_prescan_insn): Likewise.
18125 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
18126 * h8300/h8300.c (notice_update_cc): Likewise.
18127 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
18128 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18129 * mn10200/mn10200.c (notice_update_cc): Likewise.
18130 * mn10300/mn10300.c (notice_update_cc): Likewise.
18131 * romp/romp.c (update_cc): Likewise.
18132 * sparc/sparc.c (check_pic): Likewise.
18133 * v850/v850.c (notice_update_cc): Likewise.
18135 * genemit.c (main): Don't declare recog_operand.
18137 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
18139 * ggc.h (rtvec_def): Forward declare.
18140 (tree_node): Likewise.
18141 (ggc_root): Define.
18143 (ggc_set_mark_rtx): Add prototype.
18144 (ggc_set_mark_rtvec): Likewise.
18145 (ggc_set_mark_tree): Likewise.
18146 * ggc-simple.c (ggc_root): Don't define.
18147 (roots): Don't declare.
18148 (ggc_mark_rtx): Remove.
18149 (ggc_mark_rtvec): Likewise.
18150 (ggc_mark_tree): Likewise.
18151 (ggc_mark_varray): Likewise.
18152 (ggc_mark_tree_hash_table_entry): Likewise.
18153 (ggc_mark_tree_hash_table): Likewise.
18154 (ggc_set_mart_rtx): New function.
18155 (ggc_set_mark_rtvec): Likewise.
18156 (ggc_set_mark_tree): Likewise.
18157 (ggc_add_root): Remove.
18158 (ggc_add_rtx_root): Likewise.
18159 (ggc_remove_tree_root): Likewise.
18160 (ggc_add_string_root): Likewise.
18161 (ggc_add_tree_varray_root): Likewise.
18162 (ggc_add_tree_hash_table_root): Likewise.
18163 (ggc_del_root): Likewise.
18164 (ggc_mark_rtx_ptr): Likewise.
18165 (ggc_mark_tree_ptr): Likewise.
18166 (ggc_mark_string_ptr): Likewise.
18167 (ggc_mark_tree_varray_ptr): Likewise.
18168 (ggc_mark_tree_hash_table_ptr): Likewise.
18169 * ggc-common.c: New file.
18170 * Makefile.in (OBJS): Add ggc-common.o.
18171 (ggc-common.o): List dependencies.
18173 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
18175 * cppalloc.c (xstrdup): Use memcpy.
18176 * cpperror.c (cpp_print_containing_files): Don't use
18178 * cpplib.c (conditional_skip): Set temp->lineno.
18179 (do_endif): Make error message less obscure.
18180 (if_directive_name): New function.
18181 (cpp_get_token [case EOF]): Unwind the if stack and generate
18182 error messages for each unterminated conditional in this file.
18183 (parse_string): Do not behave differently if -traditional.
18185 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
18187 * builtins.c (expand_builtin_va_arg): Cope with an array-type
18188 va_list decomposing to pointer-type.
18189 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
18190 (rs6000_va_arg): Likewise.
18192 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
18194 * except.c (start_dynamic_handler): Compute size using
18195 STACK_SAVEAREA_MODE.
18197 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18199 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
18200 include directory headers. Don't define strrchr. Don't provide
18201 my_* replacement functions. Prefer PTR over `pointer_type'.
18202 Don't prototype system functions. Don't redefine getopt.
18204 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
18205 safe_read, safe_write, save_pointers, restore_pointers,
18206 is_id_char, in_system_include_dir, directory_specified_p,
18207 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
18208 find_corresponding_lparen, referenced_file_is_newer,
18209 save_def_or_dec, munge_compile_params, gen_aux_info_file,
18210 process_aux_info_file, identify_lineno, check_source,
18211 seek_to_line, forward_to_next_token_char, output_bytes,
18212 output_string, output_up_to, other_variable_style_function,
18213 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
18214 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
18215 find_static_definition, connect_defs_and_decs, add_local_decl,
18216 add_global_decls, needs_to_be_converted, visit_each_hash_node,
18217 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
18218 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
18219 scan_for_missed_items, edit_file, string_list_cons): Add static
18221 (standard_exec_prefix, target_machine, target_version,
18222 default_syscalls_dir, string_list, string_list_cons, find_file,
18223 do_cleaning): Constify a char*.
18224 (safe_read, safe_write): Use PTR, not a char*.
18225 (is_id_char): Take an int, not a char.
18226 (main): Add prototype. Call return, not exit.
18228 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
18230 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
18231 when comparing types.
18233 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
18235 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
18236 (strength_reduce): Release the varrays from the no-bivs early exit.
18238 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
18239 the loop over the registers.
18241 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
18243 (restore_tree_status): Check that instead when freeing the obstack.
18245 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
18247 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
18250 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18252 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
18253 operand size modifiers.
18255 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18257 * c-common.c (c_common_nodes_and_builtins): Don't build
18259 * c-common.h (enum c_tree_index and related accesor macros): Remove
18260 everything now declared in tree.h.
18261 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18262 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
18263 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
18264 (error_mark_node, void_type_node, char_type_node, integer_type_node,
18265 unsigned_type_node, ptr_type_node, va_list_type_node,
18266 integer_zero_node, null_pointer_node, integer_one_node): Delete.
18267 (init_decl_processing): Call build_common_tree_nodes and
18268 build_common_tree_nodes_2 instead of building their nodes here.
18269 Don't add roots for these nodes.
18270 * stor-layout.c (size_zero_node, size_one_node): Delete.
18271 (set_sizetype): Make a new node for bitsizetype each time.
18272 * tree.c (global_trees): New variable.
18273 (init_obstacks): Add a gc root for it.
18274 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18275 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
18276 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
18277 (build_common_tree_nodes): New function.
18278 (fix_sizetype): New function.
18279 (build_common_tree_nodes_2): New function.
18280 * tree.h (enum tree_index): New.
18281 (global_trees): Declare.
18282 Add accessor macros for all nodes now moved to global_trees.
18283 Delete their declarations.
18285 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
18287 * c-decl.c (finish_function): When processing a nested function,
18288 push and pop GC context around rest_of_compilation.
18290 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
18292 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
18293 Default ix86_arch to PROCESSOR_I386.
18294 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
18295 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
18296 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
18297 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
18298 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
18299 (EXTRA_SPECS): Remove deleted specs.
18301 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
18303 * function.c (assign_stack_local_1): Allocate from
18304 function->x_frame_offset, not frame_offset.
18306 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
18308 * ggc.h (lang_cleanup_tree): Remove.
18309 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
18310 * ggc-callbacks.c (lang_cleanup_tree): Remove.
18312 * c-decl.c (finish_struct): Use ggc_alloc to allocate
18313 TYPE_LANG_SPECIFIC when garbage collecting.
18314 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
18315 (lang_cleanup_tree): Remove.
18317 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18319 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
18320 * crtstuff.c: Not here.
18321 * dwarf2out.c: Or here.
18322 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
18325 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
18327 * function.h (free_after_compilation): Remove decl parameter.
18328 (free_varasm_status0: Likewise.
18329 (free_emit_status): Likewise.
18330 (free_stmt_status): Likewise.
18331 (free_after_compilation): Likewise.
18332 (init_lang_status): New variable.
18333 (free_lang_status): Likewise.
18334 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
18335 * function.c (init_lang_status): New variable.
18336 (free_lang_status): Likewise.
18337 (push_function_context_to): Don't set function::decl here.
18338 (free_after_copmilation): Make decl parameter implicit. Call
18339 free_lang_status if defined.
18340 (prepare_function_start): Call init_lang_status if defined.
18341 (init_function_start): Set function::decl here.
18342 * profile.c (output_func_start_profiler): Don't call pushdecl
18343 until we've actually started the function.
18344 * stmt.c (free_stmt_status): Make decl parameter implicit.
18345 * toplev.c (rest_of_compilation): Don't pass decl to
18346 free_after_compilation.
18347 * varasm.c (free_varasm_status): Likewise.
18349 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18351 * except.c (call_get_eh_context): Add root when allocating static
18354 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
18356 * arm.c: Include "ggc.h".
18357 (arm_add_gc_roots): New function.
18358 (arm_override_options): Call it.
18359 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
18361 * arm.md (define_asm_attributes): Add a pool_range attribute.
18363 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
18365 * extend.texi (Volatiles): New node.
18367 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
18369 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
18370 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
18371 (struct ggc_any): Replace `mark' with `magic_mark'.
18372 (ggc_alloc_string): Use memcpy, not bcopy.
18373 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
18374 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
18375 (ggc_free_any): New.
18376 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
18377 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
18378 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
18379 Use IS_MARKED. Use ggc_free_any.
18381 1999-09-09 Scott Bambrough <scottb@netwinder.org>
18383 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
18385 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
18387 * toplev.c (main): Always init_ggc.
18389 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
18391 * except.c (find_all_handler_type_matches): Free the list if
18392 we found no matches.
18394 * combine.c (SUBST): Break out to a real function do_SUBST.
18395 (SUBST_INT): Likewise.
18396 * gcse.c (free_pre_mem): Free `temp_bitmap'.
18397 (pre_insert): Free `inserted'.
18398 * loop.c (basic_induction_var): Always set `location'.
18400 * function.c (expand_function_end): Add initial_trampoline as a root.
18401 * rtl.h (init_varasm_once): Declare.
18402 * toplev.c (compile_file): Call it.
18403 * ggc-simple.c (ggc_mark_string_ptr): New.
18404 (ggc_add_string_root): New.
18405 (ggc_collect): Disable collection avoidance temporarily.
18406 * ggc.h (ggc_add_string_root): Declare.
18407 * except.c (create_rethrow_ref): Use ggc_alloc_string.
18408 * optabs.c (init_libfuncs): Likewise.
18409 * varasm.c (named_section): Use ggc_alloc_string.
18410 (make_function_rtl): Likewise.
18411 (make_decl_rtl): Likewise.
18412 (assemble_static_space): Likewise.
18413 (assemble_trampoline_template): Likewise.
18414 (output_constant_def): Likewise.
18415 (force_const_mem): Likewise.
18416 (mark_const_hash_entry): New.
18417 (mark_pool_sym_hash_table): New.
18418 (mark_varasm_state): Use it.
18419 (init_varasm_once): New.
18421 * expr.h (init_one_libfunc): Declare.
18422 * optabs.c (init_one_libfunc): New.
18423 (init_optabs): Use it.
18424 * config/gofast.h: Likewise.
18425 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
18426 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
18428 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18430 * Makefile.in (cppexp.o): Depend on cpphash.h.
18431 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
18433 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
18434 * cpplib.c (do_define): Generalise to handle poisoned definitions,
18435 redefining poisoned identifiers, etc.
18436 (do_undef): Don't allow poisoned identifiers to be undefined.
18437 (do_pragma): Add #pragma poison.
18438 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18440 * cccp.c: Add T_POISON node type.
18441 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
18443 (do_define): Generalise to handle poisoned definitions,
18444 redefining poisoned identifiers, etc.
18445 (do_undef): Don't allow poisoned identifiers to be undefined.
18446 (do_pragma): Add #pragma poison.
18447 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18449 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
18450 * c-pragma.h: Add ps_poison state. We now always have generic
18453 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
18455 * ggc.h (ggc_alloc): New function.
18456 (ggc_mark): Likewise.
18457 * ggc-simple.c (ggc_any): New structure.
18458 (ggc_status): Add anys.
18459 (n_anys_collected): New variable.
18460 (ggc_alloc): Define.
18461 (ggc_mark): Likewise.
18462 (ggc_collect): Collect the anys.
18464 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18466 * c-decl.c (mark_binding_level): Make static to match prototype.
18468 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
18470 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
18472 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
18474 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
18475 will use into account. Expand the max width to 5.
18478 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
18480 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
18481 for the rtx length.
18483 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
18485 * alpha.md (call value patterns): Remove the result predicates.
18487 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
18489 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
18492 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18494 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
18495 changed from extern char *, to extern PTR. Also fix typo in
18496 NEED_DECLARATION_REALLOC test.
18498 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
18500 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18502 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
18503 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
18504 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
18505 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
18507 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
18509 * cccp.c (pcfinclude): Likewise.
18511 * global.c (allocno_compare): Likewise.
18513 * haifa-sched.c (rank_for_schedule): Likewise.
18515 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
18517 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
18519 * stupid.c (stupid_reg_compare): Likewise.
18521 * tree.c (_obstack_allocated_p): Likewise.
18523 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
18525 1999-09-08 Bruce Korb autogen@linuxbox.com
18527 * Makefile.in: Give the hapless gperf user a hint about
18528 why "gperf -F" fails.
18530 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
18532 * lists.c: Include ggc.h.
18534 (init_EXPR_INSN_LIST_cache): Install it.
18536 * ggc-simple.c (init_ggc): Absorb the old init.
18537 (ggc_push_context): Use xcalloc.
18538 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
18539 (ggc_collect): Add [rvts] tags to the collection stats.
18541 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
18543 * cccp.c (main): Fix handling of -include and -imacros options.
18545 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
18547 * cpplib.c (cpp_push_buffer): Fix order of arguments.
18549 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18551 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
18554 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18556 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
18557 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
18558 and SET_DEST. Update comment.
18560 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18562 * config/c4x/c4x.c: Include ggc.h.
18563 (c4x_add_gc_roots): New function.
18564 (c4x_override_options): Call c4x_add_gc_roots.
18566 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
18568 * defaults.h (TARGET_ESC): Move ...
18569 * system.h: ... here, where Linas had it in the first place. Silly me.
18571 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
18573 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
18574 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
18575 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
18576 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
18577 * defaults.h (TARGET_ESC): Add default.
18579 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
18581 * configure.in: add i370-*-openedition, i370-*-mvs and
18582 i370-*-linux targets
18584 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
18586 * dsp16xxx.c: Include ggc.h
18587 (override_options): Mark GC roots.
18588 * mn10200.c: Include ggc.h.
18589 (asm_file_start): Mark GC roots.
18590 * tahoe.c: Include ggc.h.
18591 (extensible_operand): Mark GC roots.
18593 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
18595 * README: Add section discussing status of ELF ABI.
18596 * i370.c: Fix misc spelling mistakes.
18597 (i370_label_scan): Updated notes, exception handling.
18598 (i370_function_prolog): Simplify ELF stack handling.
18599 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
18600 (STACK_GROWS_DOWNWARD): ELF stack grows down.
18601 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
18602 * i370.md: (movdi): Add notes.
18603 (floatsidf2): Use stack not rtca for scratch float area.
18604 (iorsi3): Correct operand constraints.
18605 * x-oe: Restore TAROUTOPTS which are used by pax.
18607 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
18609 * rs6000.c: Include ggc.h.
18610 (rs6000_add_gc_roots): New function.
18611 (override_options): Call it.
18613 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
18615 * alpha.h (alpha_compare): New.
18616 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
18617 * alpha.c: Likewise for the definitions.
18618 (alpha_emit_conditional_branch): Update for alpha_compare.
18619 (alpha_emit_conditional_move): Likewise.
18620 * alpha.md (cmpdf, cmpdi): Likewise.
18621 (setcc patterns): Likewise. Zero alpha_compare after use.
18622 (sne): Optimize (x != 0) into (0U < x).
18624 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
18626 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
18627 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
18628 (INIT_EXPANDERS): Remove.
18629 * alpha.c: Include ggc.h.
18630 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
18631 (alpha_init_machine_status, alpha_mark_machine_status): New.
18632 (override_options): Install them.
18633 (struct machine_function): Moved to alpha.h.
18634 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
18635 (alpha_init_expanders): Remove.
18636 (alpha_return_addr): Adjust to use current_function->machine.
18637 (alpha_ra_ever_killed): Likewise.
18638 (alpha_expand_epilogue): Likewise.
18639 * alpha.md (eh_epilogue): Likewise.
18641 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
18642 Melissa O'Neill <oneill@cs.sfu.ca>
18643 Geoffrey Keating <geoffk@cygnus.com>
18645 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
18646 call-used registers (call-saved registers must still be contiguous
18647 and end with r31, of course).
18649 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
18651 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
18652 (self_promoting_type_p): Delete.
18653 (self_promoting_args_p): Move ...
18654 * c-common.c: ... here.
18655 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
18656 (simple_type_promotes_to): New.
18657 * builtins.c (lang_type_promotes_to): New.
18658 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
18659 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
18660 * c-common.h: ... here.
18661 (self_promoting_args_p, simple_type_promotes_to): Declare.
18662 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
18663 (grokdeclarator): Likewise.
18664 * tree.h (lang_type_promotes_to): Declare.
18666 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
18668 Add some machine-dependent GC roots.
18669 * sparc.c: Include ggc.h.
18670 (sparc_add_gc_roots): New function.
18671 (mark_ultrasparc_pipeline_state): Likewise.
18672 (override_options): Call sparc_add_gc_roots.
18673 * pa.c: Include ggc.h.
18674 (pa_add_gc_roots): New function.
18675 (mark_deferred_plabels): Likewise.
18676 (override_options): Call pa_add_gc_roots.
18677 * mips.c: Include ggc.h.
18678 (mips_add_gc_roots): New function.
18679 (override_options): Use it.
18681 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18683 * cpperror.c (cpp_file_line_for_message): Constify a char*.
18685 * cppexp.c (parse_number, parse_charconst, cpp_lex,
18686 cpp_parse_expr): Add static prototypes.
18687 (parse_charconst): Don't cast away const-ness.
18688 (token): Constify a char*.
18690 * cppfiles.c (file_name_list, include_hash, find_include_file,
18691 finclude, initialize_input_buffer): Constify a char*.
18692 (file_cleanup, find_position): Add static prototypes.
18694 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
18695 collect_expansion): Add static prototypes.
18696 (cpp_install, create_definition, monthnames): Constify a char*.
18698 * cpphash.h (cpp_install): Likewise.
18700 * cppinit.c (known_suffixes, default_include,
18701 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
18702 (base_name, dump_special_to_buffer, initialize_dependency_output):
18703 Add static prototypes.
18705 * cpplib.c (my_strerror): Constify a char*.
18706 (null_underflow, null_cleanup, skip_comment, copy_comment,
18707 copy_rest_of_line, handle_directive, pass_thru_directive,
18708 get_directive_token, read_line_number, cpp_print_file_and_line,
18709 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
18710 v_cpp_warning_with_line, detect_if_not_defined,
18711 consider_directive_while_skipping): Add static prototypes.
18712 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
18713 cpp_pedwarn_with_file_and_line): Constify a char*.
18715 * cpplib.h (cpp_options, include_hash, progname, definition,
18716 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
18717 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
18718 find_include_file, deps_output, include_hash): Constify a char*.
18720 * cppmain.c (progname): Constify.
18721 (main): Add prototype. Use return, not exit.
18723 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
18724 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
18725 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
18726 check_protection): Add static prototype.
18728 (progname, recognized_macrom, recognized_extern): Constify a char*.
18729 (main): Add prototype.
18731 * gen-protos.c (progname): Constify a char*.
18733 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
18735 * emit-rtl.c (free_emit_status): Take decl as a parameter.
18736 (init_emit_once): Add more GC roots.
18737 * except.c (mark_func_eh_entry): New function.
18738 (mark_eh_node): Mark false_label and rethrow_label.
18739 (init_eh): Add more GC roots.
18740 * function.c (free_after_compilation): Take decl as a paramter.
18741 Call free_stmt_status.
18742 (mark_function_state): Don't assume x_parm_reg_stack_loc is
18744 * function.h (free_after_compilation): Change prototype.
18745 (free_varasm_status): Likewise.
18746 (free_emit_status): Likewise.
18747 (free_stmt_status): New function.
18748 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
18749 Remove, replacing with ...
18750 (ggc_status): New structure.
18751 (ggc_chain): New variable.
18752 (init_gcc): Define.
18753 (ggc_push_context): New function.
18754 (ggc_pop_context): Likewise.
18755 (ggc_alloc_rtx): Adjust for use of ggc_chain.
18756 (ggc_alloc_rtvec): Likewise.
18757 (ggc_alloc_tree): Likewise.
18758 (ggc_alloc_string): Likewise.
18759 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
18760 (ggc_mark_tree): Give language-dependent code a chance to mark
18762 (ggc_mark_tree_varray): Handle empty arrays.
18763 (ggc_collect): Adjust for use of ggc_chain. Clear
18764 bytes_alloced_since_last_gc.
18765 * ggc.h (ggc_pop_context): New function.
18766 (ggc_push_context): Likewise.
18767 * print-tree.c (print_node): Don't print obstacks when GC'ing.
18768 * stmt.c (free_stmt_status): New function.
18769 (init_stmt_for_function): Clear last_expr_value.
18770 * toplev.c (rest_of_compilation): Always call free_after_compilation.
18771 Conditionalize call to ggc_collect.
18772 (main): Call init_ggc.
18773 * tree.c (push_obstacks): Do the push, even when GC'ing.
18774 (push_obstacks_nochange): Likewise.
18775 (pop_obstacks): Liekwise.
18776 * varasm.c (free_varasm_status): Take decl as a parameter.
18778 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
18780 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
18781 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
18782 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
18783 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
18785 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
18787 * pa/x-pa-mpeix: New file for the MPE port.
18789 * pa/quadlib.asm: New file for long double support.
18791 * configure.in: Add hppa1.0-*-mpeix for MPE port.
18792 * configure: Rebuilt.
18794 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
18796 * final.c (shorten_branches): Fix last change.
18798 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
18800 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
18802 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
18804 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
18807 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18809 * c-aux-info.c (concat): Don't define.
18811 * cccp.c (my_strerror): Likewise. All callers changed to use
18813 (do_include): Call xstrdup, not xmalloc/strcpy.
18814 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
18815 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
18817 * collect2.c (my_strsignal): Likewise. All callers changed to use
18819 (locatelib): Call xstrdup, not xmalloc/strcpy.
18821 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
18823 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
18825 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
18827 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
18829 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
18831 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
18833 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
18835 (find_all_handler_type_matches): Likewise. Don't check return
18837 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
18838 xmalloc, not malloc.
18839 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
18841 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
18842 (init_spec): Call xcalloc, not xmalloc/bzero.
18843 (set_spec): Call xstrdup, not save_string.
18844 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
18845 (find_a_file): Call xstrdup, not xmalloc/strcpy.
18846 (process_command): Call xstrdup, not save_string.
18847 (main): Call xcalloc, not xmalloc/bzero.
18849 * gcov.c (xmalloc): Don't define.
18850 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
18851 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
18852 (output_data): Call xcalloc, not xmalloc/bzero.
18854 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
18856 * mips-tdump.c (xmalloc): Don't define.
18857 (print_symbol): Call xmalloc, not malloc.
18858 (read_tfile): Call xcalloc, not calloc.
18860 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
18861 Don't define. All callers of xfree/my_strsignal changed to use
18862 free/strsignal instead.
18863 (allocate_cluster): Call xcalloc, not calloc.
18865 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
18866 Fix memory leak, free allocated memory.
18868 * prefix.c (translate_name): Call xstrdup, not save_string.
18869 (update_path): Likewise.
18871 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
18873 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
18874 Don't define. Callers of xfree/savestring2 changed to use
18875 free/concat instead.
18877 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
18878 (init_elim_table): Likewise.
18880 * resource.c (init_resource_info): Likewise.
18882 * stupid.c (stupid_life_analysis): Likewise.
18884 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
18885 (open_dump_file): Call concat, not xmalloc/strcpy/...
18886 (clean_dump_file): Likewise.
18887 (compile_file): Call xstrdup, not xmalloc/strcpy.
18889 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
18891 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
18892 * v850.c (v850_va_arg): New.
18894 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18896 * haifa-sched.c: Tidy comments.
18898 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18900 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
18901 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
18902 $(out_object_file)): Depend on ggc.h.
18903 * c-common.c: Include "ggc.h".
18904 (combine_strings): If doing GC, use ggc_alloc_string.
18905 * c-decl.c: Include "ggc.h".
18906 (ggc_p): Define with value 0.
18907 (mark_binding_level): New function.
18908 (init_decl_processing): Add GC roots.
18909 (mark_c_function_context): New function.
18910 (lang_mark_false_label_stack): New function.
18911 (lang_mark_tree): New function.
18912 (lang_cleanup_tree): New function.
18913 * c-lang.c: Include "ggc.h".
18914 (lang_init): Call c_parse_init.
18915 * c-lex.c: Include "ggc.h".
18916 (check_linenum): If doing GC, don't copy filenames to permanent
18918 * c-parse.in: Include "ggc.h".
18919 (c_parse_init): New function.
18920 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
18921 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
18923 * except.c (mark_eh_state): Mark more state.
18924 * function.c (mark_function_state): Likewise.
18925 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
18926 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
18927 * toplev.c (mark_file_stack): New function.
18928 (compile_file): If doing GC, use ggc_alloc_string on input filename.
18929 (main): Add root for input_file_stack.
18931 * i386.c: Include "ggc.h".
18932 (ix86_mark_machine_status): New function.
18933 (override_options): Set mark_machine_status.
18935 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18937 * tree.c (copy_node): Copy node contents also if doing GC.
18939 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18941 * collect2.c (scan_libraries): Fix double-thinko :-).
18943 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
18945 * collect2.c (scan_libraries): Fix thinko.
18947 * cse.c (delete_trivially_dead_insns): Do not skip the last
18948 insn if it is a real insn.
18950 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
18952 * Makefile.in (ggc-simple.o): Depend on hash.h.
18953 * ggc.h (ggc_add_tree_hash_table_root): Declare.
18954 (ggc_mark_tree_varray): Likewise.
18955 (ggc_mark_tree_hash_table): Likewise.
18956 * ggc-simple.c: Include hash.h.
18957 (ggc_mark_tree_hash_table_ptr): New function.
18958 (ggc_mark_tree_hash_table_entry): Likewise.
18959 (ggc_mark_tree_hash_table): Likewise.
18960 (ggc_add_tree_hash_table_root): Likewise.
18961 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
18962 rtx, when defining fields.
18964 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
18966 * profile.c (output_func_start_profiler): Remove apparently
18967 nonsensical call to start_sequence.
18969 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
18971 * clipper/clipper.c (clipper_va_start): Fix typos.
18973 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
18974 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
18975 (spur_va_arg): New stub.
18977 * configure.in: Comment out pyramid.
18979 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
18981 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
18982 don't conflict with the bits that win32, cygwin, and dgux
18985 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
18986 Bernd Schmidt <bernds@cygnus.co.uk>
18988 * integrate.c (function_cannot_inline_p): Do not inline
18989 functions with forced labels.
18991 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
18992 Bernd Schmidt <bernds@cygnus.co.uk>
18993 Mark Mitchell <mark@codesourcery.com>
18995 * Makefile.in (ggc-simple.o): Depend on varray.h.
18996 (rtl.o): Depend on ggc.h.
18997 (genattrtab.o): Depend on ggc.h.
18998 (print-tree.o): Likewise.
18999 (fold-const.o): Likewise.
19000 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
19001 (make_insn_raw): Don't cache insns when GC'ing.
19002 (emit_insn_before): Likewise.
19003 (emit_insn_after): Likewise.
19004 (emit_insn): Likewise.
19005 (start_sequence): Use xmalloc to allocate the sequence_stack.
19006 (end_sequence): Add free to free it.
19007 (gen_sequence): Don't cache insns when GC'ing.
19008 (clear_emit_caches): Don't use sequence_element_free_list.
19009 (init_emit): Use xcalloc, not xmalloc+bzero.
19010 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
19011 * function.c (pop_function_context_from): Use free to free the
19012 fixup_var_refs_queue.
19013 (put_reg_into_stack): Allocate it with xmalloc.
19014 * genattrtab.c: Include ggc.h.
19015 (operate_exp): Don't use obstack_free when GC'ing.
19016 (simplify_cond): Likewise.
19017 (simplify_text_exp): Likewise.
19018 (optimize_attrs): Likewise.
19019 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
19021 (gencode): Generate a #include for ggc.h.
19022 * ggc-callbacks.c (ggc_p): Define it to zero.
19023 * ggc-none.c (ggc_p): Likewise.
19024 * ggc-simple.c: Include varray.h.
19025 (ggc_mark_tree_varray): New function.
19026 (ggc_add_tree_varray_root): Likewise.
19027 (ggc_mark_tree_varray_ptr): Likewise.
19028 * ggc.h (ggc_p): Declare.
19029 (varray_head_tag): Likewise.
19030 (ggc_add_tree_varray_root): Declare.
19031 * print-tree.c (print_node): Don't check for TREE_PERMANENT
19032 inconsistencies when GC'ing.
19033 * rtl.c: Include ggc.h.
19034 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
19035 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
19036 (rtx_free): Don't call obstack_free when GC'ing.
19037 * toplev.c (rest_of_compilation): Call ggc_collect after every
19039 * tree.c (push_obstacks): Do nothing, if GC'ing.
19040 (pop_obstacks_nochange): Likewise.
19041 (pop_obstacks): Likewise.
19042 (make_node): Use ggc_alloc_tree when GC'ing.
19043 (copy_node): Likewise.
19044 (get_identifier): Use ggc_alloc_string when GC'ing.
19045 (build_string): Likewise.
19046 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
19047 (tree_cons): Likewise.
19048 (build1): Likewise.
19049 (type_hash_canon): Don't call obstack_free when GC'ing.
19051 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
19053 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
19054 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
19056 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
19057 Bernd Schmidt <bernds@cygnus.co.uk>
19058 Mark Mitchell <mark@codesourcery.com>
19060 * Makefile.in (stor-layout.o): Depend on ggc.h.
19061 (expr.o): Depend on ggc.h.
19062 (profile.o): Depend on ggc.h.
19063 (stor-layout.o): Depend on ggc.h.
19064 * emit-rtl.c (init_emit_once): Add gc roots.
19065 * expr.c: Include ggc.h.
19066 (emit_block_move): Add gc roots.
19067 (clear_storage): Likewise.
19068 * expr.h (init_stor_layout_once): New function.
19069 * profile.c: Include ggc.h.
19070 (init_arc_profiler): profiler_label is a root.
19071 * scan.c (make_sstring_space): Trust xrealloc to function
19072 correctly with first parameter NULL.
19073 * stor-layout.c: Include ggc.h.
19074 (set_sizetype): Add gc root.
19075 (init_stor_layout_once): New function.
19076 * toplev.c (compile_file): Call it.
19078 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
19079 Bernd Schmidt <bernds@cygnus.co.uk>
19080 Mark Mitchell <mark@codesourcery.com>
19082 * Makefile.in (tree.o): Depend on ggc.h.
19083 (varasm.o): Likewise.
19084 (function.o): Likewise.
19085 (stmt.o): Likewise.
19086 (except.o): Likewise.
19087 (optabs.o): Likewise.
19088 (emit-rtl.o): Likewise.
19089 * emit-rtl.c: Include ggc.h.
19090 (sequence_element_free_list): Remove, and all references.
19091 (mark_sequence): New functions.
19092 (mark_emit_state): New function.
19093 * except.c: Include ggc.h.
19094 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
19095 (mark_tree_label_node): New functions.
19096 (mark_eh_state): New function.
19097 * function.c: Include ggc.h.
19098 (mark_temp_slot, mark_function_chain): New functions.
19099 (mark_function_state): New function.
19100 (init_function_once): New function.
19101 * function.h (init_function_once): New function.
19102 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
19103 * ggc.h (label_node): Declare.
19104 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
19105 (lang_mark_false_label_stack): New function.
19106 (mark_temp_slot): Remove declaration.
19107 (mark_function_chain): Likewise.
19108 (mark_eh_state): Adjust prototype.
19109 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
19111 * optabs.c: Include ggc.h.
19112 (mark_optab): New function.
19113 (init_optabs): Add gc roots.
19114 * stmt.c: Include ggc.h.
19115 (mark_cond_nesting, mark_loop_nesting): New functions.
19116 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
19117 (mark_stmt_state): New function.
19118 * toplev.c (compile_file): Call init_function_once.
19119 * tree.c: Include ggc.h.
19120 (type_hash): Move declaration earlier in file.
19121 (TYPE_HASH_SIZE, type_hash_table): Likewise.
19122 (init_obstacks): Add gc roots.
19123 (mark_type_hash): New function.
19124 * varasm.c: Include ggc.h.
19125 (mark_pool_constant): New function.
19126 (mark_varasm_state): New function.
19128 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19130 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
19132 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19134 * c-decl.c (struct language_function): Renamed from struct c_function.
19136 (c_function_chain): Delete.
19137 (push_c_function_context): New arg F. Don't warn about nested
19138 functions here. Fill LANGUAGE elt of F. Delete code to update
19139 c_function_chain. Don't call push_function_context.
19140 (pop_c_function_context): New arg F. Restore from there instead of
19141 from c_function_chain. Don't call pop_function_context. Clear out
19142 LANGUAGE field of F when done.
19143 * c-lang.c: Include "function.h"
19144 (lang_init): Initialize save_lang_status and restore_lang_status.
19145 * c-parse.in (nested_function, nested_function_notype): Warn about
19146 nested functions. Call push_function_context/pop_function_context
19147 instead of the _c_ variants.
19148 * c-tree.h (push_c_function_context, pop_c_function_context): Update
19150 * Makefile.in (c-lang.o): Update dependencies.
19152 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
19153 regno_pointer_flag, regno_pointer_align.
19154 (gen_reg_rtx): Use xrealloc to enlarge them.
19155 (free_emit_status): New function.
19156 * function.c (mark_machine_status, mark_lang_status): New variables.
19157 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
19158 in some bits from assign_stack_local. All callers changed to use new
19160 (assign_stack_local): Just call assign_stack_local_1.
19161 (free_after_compilation): New function.
19162 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
19163 (trampoline_address): Likewise.
19164 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
19165 (prepare_function_start): Explicitly clear some more variables.
19166 * function.h (struct function): New elt can_garbage_collect.
19167 (mark_machine_status, mark_lang_status): Declare variables.
19168 (free_after_compilation, free_emit_status, free_varasm_status,
19169 init_varasm_status): Declare functions.
19170 * toplev.c (rest_of_compilation): Call free_after_compilation when
19171 done with the current function.
19172 * varasm.c (free_varasm_status): New function.
19174 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
19176 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
19177 (EXPAND_BUILTIN_VA_ARG): Define.
19178 * sparc.c (sparc_va_start): New.
19179 (sparc_va_arg): New.
19181 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19183 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
19185 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19187 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
19189 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
19191 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
19192 (OBJS): Add $(GGC).
19193 (ggc-callbacks.o): New target.
19194 * ggc-callbacks.c: New file.
19196 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19198 * expr.h: Collapse individual optab and libfunc vars to arrays.
19199 (optab_index, libfunc_index): New enumerations.
19200 (optab_table, libfunc_table): New arrays.
19201 Add accessor macros for both.
19203 * optabs.c (optab_table, libfunc_table): New.
19204 Delete declarations for individual optab and libfunc vars.
19206 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
19208 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
19210 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19212 * Makefile.in (GGC, GGC_LIB): New.
19213 (HOST_RTL): Include ggc-none.o.
19214 (ggc-simple.o): New target.
19215 (ggc-none.o): Likewise.
19216 * tree.h (tree_common): Add gc_mark.
19217 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
19218 (struct rtvec_def): Add gc_mark.
19219 * emit-rtl.c (global_rtl): Update static initializers to contain
19220 enough initializers.
19221 * ggc.h, ggc-none.c, ggc-simple.c: New files.
19222 * toplev.c (gc_time): New variable.
19223 (all_time): New variable.
19224 (compile_file): Print gc time.
19225 (print_time): Calculate percentage of the whole.
19227 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19229 Change obstack memory management and varasm constant pool handling so
19230 that nested functions are treated like any other functions.
19231 * function.c (init_machine_status): New variable.
19232 (push_function_context_to): Set contains_functions for the outer
19233 function. Don't call save_varasm_status.
19234 (pop_function_context_from): Don't call restore_varasm_status. Don't
19235 set current_function_contains_functions.
19236 (prepare_function_start): Call init_varasm_status rather than
19237 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
19239 * function.h (struct function) Add field varasm. Delete fields
19240 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
19241 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
19242 (init_machine_status): Declare.
19243 (save_varasm_status, restore_varasm_status): Delete declarations.
19244 (save_tree_status, restore_tree_status): Delete last argument.
19245 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
19246 code. All callers changed.
19247 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
19248 save_constants_in_decl_trees, restore_constants, save_constants,
19249 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
19251 (inlining): New variable.
19252 (reg_map, label_map, insn_map, orig_asm_operands_vector,
19253 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
19255 (save_for_inline_nocopy): Don't save constants.
19256 Don't set inl_emit field in current_function.
19257 (expand_inline_function): Use emit field, not inl_emit, of the inlined
19258 function. Set new variable inlining before
19259 calling copy_rtx_and_substitute.
19260 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
19261 constant pool references if inlining is nonzero.
19262 Delete ADDRESS and (most of the) CONST cases.
19263 (output_inline_function): Save and restore current_function/
19264 current_function_decl. Delete restore_constants code. Don't call
19265 init_const_rtx_hash_table.
19266 * output.h (init_const_rtx_hash_table): Don't declare.
19267 * rtl.h (struct function): Declare.
19268 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
19269 * toplev.c (rest_of_compilation): Don't treat nested functions or
19270 functions containing them specially. Delete all code to deal with
19271 save_for_inline_copying.
19272 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
19273 inline_obstacks): Delete variables.
19274 (save_tree_status): Lose arg CONTEXT. All callers changed.
19275 Simply allocate a new function_maybepermanent_obstack for the new
19276 function, delete all the special cases.
19277 Don't save inline_obstacks.
19278 (restore_tree_status): Lose arg CONTEXT. All callers changed.
19279 Delete special handling for function_maybepermanent_obstack; simply
19281 Don't restore inline_obstacks.
19282 (permanent_allocation): Delete code that frees inline_obstacks.
19283 (print_inline_obstack_statistics): Delete function.
19284 (dump_tree_statistics): Don't call it.
19285 * varasm.c (struct varasm_status): New.
19286 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
19287 last_pool, pool_offset, const_double_chain): Delete global
19288 variables, replace with accessor macros.
19289 (immed_double_const): Don't walk const_double_chain outside a
19290 function, but don't treat nested functions specially anymore.
19291 (immed_real_const_1): Likewise.
19292 (clear_const_double_mem): Don't treat nested functions specially.
19293 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
19294 (save_varasm_status, restore_varasm_status): Delete functions.
19295 (init_varasm_status): New function.
19296 (force_const_mem): Don't treat nested functions specially.
19297 (find_pool_constant): Accept new arg F, search for constants in
19298 that function's pool rather than the current one. All callers
19300 (get_pool_constant_for_function, get_pool_mode_for_function): New
19303 * i386.c (init_386_machine_status): New function, mostly from
19304 clear_386_stack_locals.
19305 (struct machine_functions): Rename element names to avoid name
19307 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
19308 macros, replacing global variables.
19309 (clear_386_stack_locals, save_386_machine_status,
19310 restore_386_machine_status): Delete functions.
19311 (override_options): Initialize init_machine_status.
19312 * i386.h (INIT_EXPANDERS): Delete macro.
19313 (save_386_machine_status, restore_386_machine_status,
19314 clear_386_stack_locals): Delete declarations.
19316 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19318 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
19319 (doloop_begin): Simplify pattern and use emit_jump_insn.
19320 (doloop_end): Simplify pattern, switch operand order,
19321 and use emit_jump_insn.
19323 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19325 * function.h (struct function): Add new element LANGUAGE.
19326 (save_lang_status): Declare new variable.
19327 (restore_lang_status): Likewise.
19328 * function.c (save_lang_status): Define.
19329 (restore_lang_status): Likewise.
19330 (push_function_context_to): Call language-specific save function.
19331 (pop_function_context_from): Call language-specific restore function.
19333 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19335 * i386.md (movsf_1): Check REG_P before use of REGNO.
19336 (movdf_1): Likewise.
19337 (movxf_1): Likewise.
19338 (extendsfdf2): Likewise.
19339 (extendsfxf2): Likewise.
19340 (extenddfxf2): Likewise.
19342 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19344 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
19345 constants into memory.
19346 (c4x_shiftable_constant): New function.
19347 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
19348 (c4x_shiftable_constant): Declare.
19349 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
19350 ashlqi3_noclobber): Add new patterns and associated splitters.
19352 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
19354 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
19355 * dwarf2out.c (dwarf2out_frame_init): Likewise.
19356 * final.c (shorten_branches): Likewise.
19357 * global.c (global_alloc): Likewise.
19358 * haifa-sched.c (build_control_flow): Likewise.
19359 * stmt.c (check_for_full_enumeration_handling): Likewise.
19360 (estimate_case_costs): Likewise.
19362 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
19364 * rtl.h (RTL_CHECKC2): Fix typo in last change.
19366 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
19368 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
19369 (recompute_reg_usage): Likewise.
19370 * rtlanal.c (find_regno_fusage): Likewise.
19372 * rtl.c (rtl_check_failed_code1): New function.
19373 (rtl_check_failed_code2): New.
19374 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
19375 (RTL_CHECKC1, RTL_CHECKC2): New.
19376 (XC*): New accessor macros.
19377 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
19378 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
19379 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
19380 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
19381 (TRAP_*, RANGE_INFO_*): Likewise.
19383 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19385 * Makefile.in (tlink.o): Don't depend on toplev.h.
19387 * collect2.c (c_file, o_file, export_file, import_file, ldout,
19388 output_file, nm_file_name, ldd_file_name, strip_file_name,
19389 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
19390 add_prefix, prefix_from_env, prefix_from_string, do_wait,
19391 fork_execute, maybe_unlink, add_to_list,
19392 extract_init_priority, write_list, dump_list,
19393 dump_prefix_list, write_list_with_asm, write_c_file,
19394 write_c_file_stat, write_c_file_glob, scan_prog_file,
19395 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
19396 ignore_library, extract_string, notice, dump_file, target_machine,
19397 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
19398 read_file, print_load_command): Constify a char*.
19399 (fdopen, error, fatal, fatal_perror): Don't prototype.
19400 (my_strerror): Remove. All callers use xstrerror instead.
19401 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
19402 (main): Add prototype. Constify lots of char* ptrs. Change calls
19403 to xcalloc/strcpy/strcat/... to one call to concat.
19404 (main, scan_prog_file, scan_libraries): Use an intermediate
19405 `const char **' to build an argv array.
19406 (mapfile, libselect, libcompare, locatelib): Add prototypes.
19408 * collect2.h (collect_execute, collect_wait, dump_file,
19409 file_exists): Constify a char*.
19410 (ldout, c_file_name, temporary_obstack, permanent_obstack,
19411 temporary_firstobj, vflag, debug): Add extern declarations.
19412 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
19414 * tlink.c: Don't include toplev.h.
19415 (vflag, debug, ldout, c_file_name, temporary_obstack,
19416 permanent_obstack, temporary_firstobj): Don't declare.
19417 (tlink_execute, frob_extension, symbol_hash_lookup,
19418 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
19419 recompile_files, read_repo_files, demangle_new_symbols,
19420 scan_linker_output): Constify a char*.
19421 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
19422 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
19424 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
19426 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
19427 (relative) rather than jsr (absolute) subroutine call insns.
19428 * config/m68k/m68k-coff.h: Ditto.
19430 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
19432 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
19433 now rework these too.
19434 (arm_reorg): If an insn can't reach the end of the current pool,
19435 ensure that we emit that pool before the insn.
19437 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
19439 * tlink.c (scan_linker_output): Skip the initial underscore in
19440 a mangled name if appropriate.
19442 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19444 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
19445 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
19446 error_with_ivar, gen_declarator, create_builtin_decl,
19447 my_build_string, generate_descriptor_table, generate_ivars_list,
19448 generate_dispatch_table, check_protocols, TAG_GETCLASS,
19449 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
19450 dump_base_name, lang_decode_option, build_encode_expr,
19451 start_class, finish_class, encode_pointer, really_start_method,
19452 gen_declaration, dump_interface, handle_class_ref, handle_impent):
19454 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
19455 Add static prototypes.
19456 (build_objc_string_decl, build_selector_reference_decl,
19457 encode_bitfield, build_class_reference_decl): Remove unused
19458 parameter, all callers changed.
19459 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
19460 (objc_printable_name): Likewise. Change second parameter to type int.
19461 (init_objc): Use memcpy, not bcopy, to avoid casts.
19463 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
19465 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
19466 reg notes on a deleted insn.
19467 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
19469 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
19471 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
19473 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19475 * stmt.c (expand_asm_operands): Fix index into inout_mode when
19478 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
19480 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
19481 * tm.texi (MD_ASM_CLOBBERS): Document it.
19483 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
19485 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
19486 * except.c (expand_rethrow): Remove unused variable.
19487 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
19488 * flow.c (replace_insns): Likewise.
19489 (create_edge_list, verify_edge_list): Likewise.
19490 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
19492 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
19493 is special code to run.
19494 (main): Don't define operands to emit_operand.
19495 * genrecog.c (main): Don't emit an empty peephole2_insn function.
19497 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
19499 * alpha/alpha.h (normal_memory_operand): Declare.
19500 (reg_no_subreg_operand): Declare.
19501 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
19503 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
19505 * c-parse.in (compstmt_primary_start): New, broken out of first
19506 part of compstmt handling in primary.
19507 (primary): Use it. Add an error clause.
19508 (compstmt_nostart): Renamed from compstmt; remove all
19509 initial invocations of compstmt_start.
19512 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
19514 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
19517 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
19519 * combine.c (simplify_shift_const): Remove extra semicolon.
19520 * dwarf2out.c (remove_AT): Likewise.
19521 * expmed.c (expand_mult): Likewise.
19522 * gcov.c (create_program_flow_graph): Likewise.
19523 * reorg.c (mostly_true_jump): Likewise.
19525 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
19527 * fold-const.c (fold_range_test): Do not try to fold the range
19528 test if the rhs or lhs has side effects.
19530 * combine.c (simplify_rtx): Recognize another case of a synthesized
19533 * varasm.c (mark_constant_pool): When marking indirect references,
19534 only look at SYMBOL_REFs.
19536 * except.c (expand_fixup_region_end): Do not peek at
19537 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
19539 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
19541 * flags.h: New variables align_loops, align_loops_log,
19542 align_jumps, align_jumps_log, align_labels, align_labels_log,
19543 align_functions, align_functions_log.
19544 * toplev.c: Define them.
19545 (f_options): Handle -falign-* when they have no argument.
19546 (main): Add logic to set variables for -falign-functions,
19547 -falign-jumps, -falign-labels, -falign-loops.
19548 Make it -fsched-verbose=<n> and -finline-limit=<n>.
19549 (display_help): Change help to match options.
19550 * final.c (LABEL_ALIGN): Default to align_labels_log.
19551 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
19552 (LOOP_ALIGN): Default to align_loops_log.
19553 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
19554 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
19555 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
19556 * varasm.c (assemble_start_function): Handle align_functions.
19558 * config/sparc/sparc.h: Don't declare sparc_align_*.
19559 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
19560 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
19562 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
19564 * config/sparc/sparc.c: Delete sparc_align_loops,
19565 sparc_align_jumps, sparc_align_funcs and the corresponding string
19567 (sparc_override_options): Default align_functions on ultrasparc.
19568 Delete -malign-* handling.
19570 * config/mips/mips.c (override_options): On 64-bit targets,
19571 try to align code to 64-bit boundaries.
19572 (print_operand): New substitution, %~,
19573 which aligns labels to align_labels_log.
19574 * config/mips/mips.md (div_trap_normal): Use %~.
19575 (div_trap_mips16): Likewise.
19577 (absdi2): Likewise.
19578 (ffssi2): Likewise.
19579 (ffsdi2): Likewise.
19580 (ashldi3_internal): Likewise.
19581 (ashrdi3_internal): Likewise.
19582 (lshrdi3_internal): Likewise.
19583 (casesi_internal): Likewise.
19585 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
19587 Merge new ia32 backend from the branch!
19589 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
19590 See ChangeLog.P2 on new_ia32_branch for details.
19592 * rtl.h (stack_regs_mentioned_p): Delete prototype.
19593 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
19594 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
19595 * i386/gas.h (ASM_FILE_START): Define.
19596 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
19597 for name change of ix86_valid_decl_attribute_p.
19598 (i386_pe_valid_type_attribute_p): Similarly.
19600 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
19602 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
19603 to step through CC modes.
19605 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19607 * regmove.c (fixup_match_1): Don't move INSN in front of P if
19608 it would end up in the shadow of a live flags regsiter.
19610 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19612 * reload1.c: Fix many indentation problems.
19613 * reload.c: Likewise.
19615 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
19617 * alias.c (non_local_reference_p): Constify fmt.
19619 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
19621 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
19623 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
19625 * cse.c (delete_trivially_dead_insns): Do not delete stores to
19626 the internal_arg_pointer.
19628 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
19630 Merge peephole2 from new_ia32_branch:
19631 * Makefile.in (STAGESTUFF): Add *.peephole2.
19632 (mostlyclean): Likewise.
19633 (recog.o): Depend on resource.h.
19635 * final.c (peephole): Conditionalize decl on HAVE_peephole.
19636 (final_scan_insn): Likewise for the invocation of peephole.
19637 * genconfig.c (main): Look for peephole and peephole2 patterns.
19638 Emit HAVE_peephole* accordingly.
19639 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
19640 * flags.h (flag_peephole2): Declare.
19641 * toplev.c: New pass peephole2. New flag -fpeephole2.
19643 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
19644 * gencodes.c (main): Likewise.
19645 * genextract.c (main): Likewise.
19646 * genoutput.c (main): Likewise.
19647 * genemit.c (max_operand_1): Look for the max scratch operand.
19648 (gen_rtx_scratch): New.
19649 (gen_exp): Use it, and pass on new arg subroutine_type.
19650 (gen_expand): Take max scratch into account.
19651 (gen_split): Emit peephole2 functions.
19652 (output_peephole2_scratch): New.
19653 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
19654 * genrecog.c (routine_type): Add PEEPHOLE2.
19656 (make_insn_sequence): Match outer parallel for peep2. Discard
19657 top level scratches and dups.
19658 (add_to_sequence): New args insn_type and top. Update all callers.
19659 Handle toplevel peep2 matching insns.
19660 (write_subroutine): Handle peep2.
19661 (write_tree_1): Likewise.
19662 (write_tree): Likewise.
19664 (change_state): New arg afterward. Update all callers.
19665 Handle matching separate insns.
19666 * recog.c (recog_next_insn): New.
19667 (peephole2_optimize): New.
19668 * rtl.def (DEFINE_PEEPHOLE2): New.
19669 * resource.c (find_free_register): New argument last_insn. Use it
19670 to find a register available through the entire span.
19671 * resource.h (find_free_register): Update prototype.
19673 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
19675 * i386.c (output_strlen_unroll): Don't write xops[7]
19676 label if it wasn't set.
19678 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
19680 * cpplib.c (struct directive): Const-ify name pointer and
19681 function pointer prototype.
19682 (validate_else, do_define, do_line, do_include, do_undef,
19683 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
19684 do_elif, do_endif, do_sccs, do_assert, do_unassert,
19685 do_warning): Const-ify second arg.
19686 (directive_table): Mark const. Reorder entries by frequency
19687 of usage, record statistics.
19689 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
19691 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
19692 bounds- check RTL accesses if --enable-checking.
19693 (RTVEC_ELT): Bounds check if --enable-checking.
19694 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
19695 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
19696 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
19698 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
19699 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
19701 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
19702 (NOTE_SOURCE_FILE): Use X0STR.
19703 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
19704 MEM_ALIAS_SET): Use X0INT.
19705 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
19706 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
19708 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
19709 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
19710 (rtl_check_failed_bounds, rtl_check_failed_type1,
19711 rtl_check_failed_type2, rtvec_check_failed_bounds): New
19713 (fancy_abort): Fix comment.
19715 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
19716 (cse_insn): Decrement LABEL_NUSES for jump target before
19717 deleting jump insn.
19718 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
19719 * final.c (alter_subreg): Compute regno before changing x to
19720 REG; set REGNO(x) after changing it.
19721 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
19722 notes containing CONST_INTs.
19723 (delete_eh_regions): Use NOTE_EH_HANDLER.
19724 * function.c (put_reg_into_stack): Make reg a MEM before
19726 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
19728 (gen_mem_addressof): Make reg a MEM before initializing it.
19729 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
19731 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
19732 deleting an insn, not after.
19733 (block_alloc): Only look at PATTERN(insn) if we have to, and
19734 only if it's format class 'i'.
19735 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
19736 CONST_INT before using its INTVAL.
19737 * print-rtl.c (print_rtx): Use X0STR.
19738 * regmove.c (fixup_match_1): Don't look at PATTERN of
19739 non-class-'i' insn chain elements.
19740 * reload.c (loc_mentioned_in_p): Take address of
19741 in->fld[1].rtx directly.
19742 * reload1.c (reload): Change reg to a MEM before initializing
19744 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
19746 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
19748 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
19750 * config/mips/mips.c (machine_dependent_reorg): Force a
19751 barrier to output the local constant pool if a barrier hasn't
19752 been found at a natural point in the instruction stream.
19754 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19756 * c-parse.in (language_string): Constify.
19758 * dwarf2out.c (language_string): Remove declaration.
19760 * dwarfout.c (language_string): Likewise.
19762 * toplev.c (language_string, init_parse, finish_parse): Likewise.
19764 * tree.h (language_string, init_parse, finish_parse): Declare.
19766 * i386/sun386.h (language_string): Remove declaration.
19768 * mips.h (language_string): Likewise.
19770 * nextstep.h (language_string): Likewise.
19772 * nextstep21.h (language_string): Likewise.
19774 * rs6000.c (language_string): Likewise.
19776 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19778 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
19779 (getpwd.o): Remove target.
19781 * getpwd.c: Delete file. Its in libiberty now.
19783 * dbxout.c (getpwd): Don't prototype.
19784 * dwarf2out.c (getpwd): Likewise
19785 * dwarfout.c (getpwd): Likewise
19786 * final.c (getpwd): Likewise.
19787 * protoize.c (getpwd): Likewise.
19789 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19791 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
19793 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19795 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
19796 mark_set_resources.
19798 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
19800 * fixinc/Makefile.in (subdir): New.
19801 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
19804 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
19806 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
19807 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
19810 * invoke.texi: Fix typo.
19812 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
19813 changed. Handle autoincrement addressing modes.
19815 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
19816 just like we would the virtual incoming args register when
19819 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
19821 * rs6000.h (ASM_FILE_START): Specify complete filename, including
19822 path, in .file directive.
19824 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
19826 * gcc.texi (External Bugs): Remove obsolete note about Perl on
19829 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
19831 * stdbool.h: Make the typedef name _Bool, with bool a #defined
19834 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19836 * tree.c (tree_code_name): Constify a char*.
19838 * tree.h (tree_code_name, decl_printable_name): Likewise.
19840 * function.h (struct function): Likewise.
19842 * toplev.c (decl_name, decl_printable_name): Likewise.
19844 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
19846 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
19847 (init_objc): Remove function pointer cast.
19849 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
19851 * pa.md (interspace_jump): New pattern.
19852 (builtin_longjmp): New expander.
19854 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
19856 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
19857 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
19858 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
19860 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
19862 * jump.c (delete_prior_computation): Also check calls
19863 to constant functions. Don't bother checking for a
19864 REG_UNUSED note before adding it.
19865 (delete_computation): Handle multi-word hard registers
19866 when synthesizing missing REG_DEAD notes for a register
19867 which is both set and used by an insn.
19869 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19871 * loop.c (this_loop_info): New variable.
19872 (loop_has_call, loop_has_volatile, loop_has_tablejump,
19873 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
19875 (prescan_loop, strength_reduce): New argument loop_info. All callers
19877 (scan_loop): New variable loop_info, initialise to address of
19879 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
19880 Delete variable loop_has_multiple_exit targets and replace with
19881 field in this_loop_info.
19882 (find_and_verify_loops): Rename this_loop to this_loop_num.
19883 (strength_reduce): Delete loop_iteration_info. Replace variable
19884 loop_info with function argument of same name.
19885 (insert_bct): Rework test for loop being completely unrolled.
19887 * loop.h (struct loop_info): New fields num, loops_enclosed,
19888 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
19889 has_indirect_jump, and cont. Redefine use of unroll_number.
19890 (loop_unroll_number): Delete.
19892 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
19893 field of loop_info.
19894 (loop_iterations): Delete variable vtop and instead use
19895 loop_info->vtop computed in prescan_loop.
19897 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
19899 * fix-header.c (main): Do not pass a null pointer to strcmp.
19901 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
19903 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
19905 * configure: Rebuilt.
19907 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
19909 * jump.c (jump_optimize_1): Do not delete assignments to
19910 internal_arg_pointer.
19911 * cse.c (delete_trivially_dead_insns): Always consider a set of
19912 the internal_arg_pointer live.
19914 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
19916 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
19917 (update_life_info) [REG_WAS_0]: Search the original insns rather
19918 than the new insns for the note. Fix typos finding note_dest.
19919 If no dest found, discard the note rather than abort.
19920 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
19921 (replace_insns): Remove the old insn list after update_life_info
19924 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
19926 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
19927 sched_analyze_insn.
19928 (sched_analyze_1): Let add_dependence care for not adding dups.
19929 (sched_analyze_2): Likewise.
19930 (add_branch_dependences): Likewise.
19932 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
19934 * i386/winnt.c (export_list): New type.
19935 (exports_head): Rename to
19936 (export_head): this.
19937 (i386_pe_record_exported_symbol): Add is_data flag.
19938 (i386_pe_asm_file_end): Emit directive for exported variables.
19939 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
19941 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
19942 (ASM_DECLARE_OBJECT_NAME): Likewise.
19943 (ASM_DECLARE_FUNCTION_NAME): Likewise.
19944 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
19946 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
19948 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
19950 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
19953 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
19955 * config/openbsd.h: Define SET_ASM_OP.
19956 * tm.texi: cross-reference SET_ASM_OP in the index.
19958 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
19960 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
19961 for a CONST_DOUBLE, at compile time. Initialize rtx_length
19962 and class_narrowest_mode at compile time. Kill init_rtl.
19963 Mark rtx_length, mode_class, mode_size, mode_unit_size,
19964 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
19965 rtx_format as const. Kill all references to EXTRA_CC_MODES or
19967 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
19969 * rtl.h: Declare rtx_length and rtx_format as const.
19970 * machmode.def: Define CC(). Use CC() to define CCmode. If
19971 EXTRA_CC_MODES is defined, expand it here.
19972 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
19973 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
19974 const. Kill all references to EXTRA_CC_MODES.
19976 * toplev.c: Don't prototype or call init_rtl.
19977 * optabs.c: Don't call init_mov_optab.
19978 * genemit.c: Don't generate init_mov_optab. Don't call
19980 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
19982 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
19983 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
19984 genrecog.c: Don't call init_rtl.
19986 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
19987 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
19988 definition of EXTRA_CC_MODES.
19990 * md.texi: Kill ref to EXTRA_CC_NAMES.
19991 * tm.texi: Document new way to define EXTRA_CC_MODES.
19993 * genrecog.c: Do not look up the name of a define_split.
19994 (Unrelated bugfix.)
19996 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
19998 * config/v850/v850.md: Fix typo introduced by previous delta.
20000 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20002 * gcc.c (fatal): Make definition static to match prototype.
20004 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20006 * combine.c (get_last_value): Don't look for earlier sets if the last
20007 known set is somewhere in between the insns being combined.
20009 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
20011 * configure.in: Don't use shell ! to negate exit codes
20012 * configure: Regenerate
20014 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
20016 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
20017 the fact that ALIGN is measured in bits, not bytes.
20019 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
20021 * errors.c: New file; defines functions error, warning, and
20022 fatal, variables have_error and progname.
20023 * errors.h: New file; prototypes and decls for stuff in errors.c.
20025 * Makefile: Add rules to build errors.o and
20026 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
20027 genopinit, genrecog, genextract, genpeep, genattr, and
20028 genoutput with errors.o. Add errors.h to deps of genconfig.o,
20029 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
20030 genpeep.o, genattr.o, and genoutput.o.
20032 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
20033 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
20034 define or prototype fatal. Set progname at beginning of main.
20035 * genoutput.c: Likewise, and don't define or prototype error
20038 * c-typeck.c (c_expand_start_case): Return immediately if exp
20040 * fold-const.c (operand_equal_p): Return immediately if arg1
20041 or arg0 are ERROR_MARKs.
20042 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
20043 fields of type ERROR_MARK when calculating if the record can
20046 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
20047 with much help from Jeffrey A Law and Richard Henderson
20049 * i386.md: In the 6 insns which call output_fix_trunc,
20050 earlyclobber operands[0].
20052 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
20054 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
20055 creating new registers.
20057 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
20059 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
20060 i386_reg_alloc_order, i386_regparm_string,
20061 i386_align_loops_string, i386_align_jumps_string,
20062 i386_align_funcs_string, i386_preferred_stack_boundary_string,
20063 and i386_branch_cost_string as type "const char *".
20064 * i386.c: Define all above strings as type "const char *".
20066 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
20068 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
20069 when emitting alignment padding. Emit padding byte of 0 instead of 4.
20071 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20073 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
20074 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
20076 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
20078 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
20079 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
20080 (dwarf2out_line, dwarf2out_finish): Likewise.
20081 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
20083 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
20085 * tree.c (lang_unsave_expr_now) : Correct return type.
20086 * tree.h (lang_unsave_expr_now) : Same.
20088 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
20090 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
20091 instead of duplicating code.
20093 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20095 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
20097 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
20099 * tree.h: fancy_abort always takes three args.
20100 * resource.c: Move include of system.h before toplev.h.
20102 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
20104 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
20107 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
20109 * system.h: Don't redefine abort or trim_filename.
20110 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
20111 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
20112 whether or not __FUNCTION__ is available.
20113 * tree.h: Duplicate rtl.h's definition of abort, for files
20114 that don't include rtl.h. Delete all code to perform type
20115 checking with a compiler other than GCC.
20116 * varray.h: Delete all code to perform type checking with a
20117 compiler other than GCC. Make VARRAY_CHECK() always evaluate
20118 its arguments exactly once, using a statement expression.
20119 Adjust the VARRAY_<type> accessor macros to match.
20120 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
20121 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
20122 caller's location. Define fatal_insn and fatal_insn_not_found
20123 as macros that use _fatal_insn and _fatal_insn_not_found.
20124 (fancy_abort, trim_filename): Kill prototypes.
20126 * rtl.c (trim_filename): Move here from toplev.c.
20127 (fancy_abort): New function.
20128 (DIR_SEPARATOR): Provide default definition.
20129 * tree.c (tree_check_failed, tree_class_check_failed): Go
20130 through fancy_abort.
20131 (tree_check, tree_class_check, cst_or_constructor_check,
20132 expr_check): Delete.
20133 * varray.c (varray_check_failed): New function.
20134 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
20135 _fatal_insn and _fatal_insn_not_found. Go through
20137 (trim_filename, fancy_abort): Delete.
20139 * builtins.c (expand_builtin_args_info): Report ICE with abort.
20140 * except.c (start_catch_handler): Report ICE with error/abort
20142 * final.c (output_operand_lossage): Likewise.
20143 * flow.c (verify_flow_info): Likewise.
20145 * gcc.c: Prototype fatal.
20146 * gengenrtl.c: Undef abort after including rtl.h not system.h.
20147 * genattr.c, genattrtab.c, genemit.c, genextract.c,
20148 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
20149 Don't define fancy_abort.
20151 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
20153 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
20156 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
20158 * m88k.h (VERSION_INFO2): Kill.
20159 (VERSION_STRING): Kill.
20161 (VERSION_INFO1): Tidy.
20162 (TARGET_VERSION): Update.
20163 * m88k/dgux.h (VERSION_INFO2): Kill.
20164 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
20165 * m88k/luna.h (VERSION_INFO1): Tidy.
20166 * m88k/sysv4.h (VERSION_INFO1): Likewise.
20167 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
20168 (output_file_start): Adjust for death of VERSION_STRING.
20170 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
20172 * cpplib.c (detect_if_not_defined): New function.
20173 (do_if): Use it to detect potential once-only headers.
20175 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
20177 * c-common.c (combine_strings): Always set TREE_CONSTANT.
20179 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
20181 * combine.c (nonzero_bits) : Allow single-ly set registers to be
20182 anywere in the function only if they are pseudos and set before
20183 being used (not live at the start of the function).
20184 (num_sign_bit_copies) : Same.
20185 (get_last_value_validate) : Same.
20186 (get_last_value) : Same.
20188 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
20190 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
20191 where N and M are constant and N is an integer multiple of M.
20193 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20195 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
20196 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
20197 sbitmap_union_of_preds): Add prototypes.
20198 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
20199 the intersection of successors with the new flow graph structures.
20200 (sbitmap_intersection_of_preds): New function to compute the
20201 intersection of predecessors with the new flow graph structures.
20202 (sbitmap_union_of_succs): New function to compute the union of
20203 successors with the new flow graph structures.
20204 (sbitmap_union_of_preds): New function to compute the union of
20205 predecessors with the new flow graph structures.
20206 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
20207 (expr_reaches_here_p): Use edge and basic_block structures instead
20208 of s_preds and s_succs.
20209 (compute_cprop_avinout): Use new sbitmap routines.
20210 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
20211 of s_preds and s_succs.
20212 * flow.c (compute_flow_dominators): Compute dominators using
20213 edges and basic blocks instead of s_preds and s_succs.
20215 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20217 * lists.c (unused_insn_list, unused_expr_list): New file for
20218 maintaining various types of lists. New statics for maintaining a
20219 cache of available INSN_LIST and EXPR_LIST nodes.
20220 (free_list): Static function for freeing a list of INSN/EXPR nodes.
20221 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
20222 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
20223 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
20224 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
20225 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
20226 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
20227 (free_INSN_LIST_node): Free an individual INSN_LIST node.
20228 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
20229 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
20230 (remove_dependence, free_pending_lists): Use new global routines.
20231 (flush_pending_lists, sched_analyze_insn): Use new global routines.
20232 (sched_analyze, compute_block_backward_dependences): Use new routines.
20233 (sched_analyze_1, sched_analyze_2): Use new routines.
20234 (schedule_insns): Use new global routines.
20235 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
20237 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
20238 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
20240 * toplev.c (rest_of_compilation): Initialize node cache.
20241 * Makefile.in (OBJS): Add lists.o to list of object files.
20242 (lists.o): Add dependancies.
20244 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
20246 * config/v850/v850.md: Fix compile time warning messages.
20247 * config/v850/v850.c: Fix compile time warning messages.
20248 * config/v850/v850.h: Fix compile time warning messages.
20250 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20252 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
20253 Remove unused prototype for `init_lengths'.
20255 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20257 * calls.c (emit_call_1): Mark parameter `stack_size' with
20259 (expand_call): Initialize variable `insn'.
20260 (emit_library_call): Likewise for variable `high_to_save'.
20261 (emit_library_call_value): Likewise.
20262 (store_one_arg): Likewise for variables `lower_bound' and
20265 * combine.c (try_combine): Likewise for variables `i2_code_number'
20266 and `other_code_number'.
20267 (find_split_point): Likewise for variables `pos', `unsignedp' and
20269 (simplify_if_then_else): Likewise for variables `op' and `c1'.
20270 (simplify_and_const_int): Remove unused variable `width'.
20271 (merge_outer_ops): Likewise.
20273 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
20274 HOST_WIDE_INT' when comparing against one.
20275 (simplify_relational_operation): Likewise.
20276 (cse_insn): Initialize variables `src_eqv_volatile',
20277 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
20279 * final.c (init_final): Constify parameter `filename'.
20280 (final_start_function): Mark parameter `optimize' with
20282 (profile_function): Likewise for parameters `first' and `optimize'.
20283 (output_source_line): Likewise for parameter `file'.
20285 * integrate.c (subst_constants): Cast a value to `size_t' when
20286 comparing against one.
20287 (mark_stores): Initialize variable `mode'. Cast a value to
20288 `size_t' when comparing against one.
20290 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
20292 * loop.c (move_movables): Initialize variable `first'.
20293 (strength_reduce): Likewise for variable `increment'.
20294 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
20295 value to `size_t' when comparing against one.
20296 (load_mems): Initialize variable `end_label'.
20298 * output.h (init_final): Constify parameter.
20300 * reload.c (decompose): Initialize variable `base'.
20302 * reload1.c (reload): Likewise for variable `is_scalar'.
20303 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
20304 (choose_reload_regs): Initialize variable `mode'.
20305 (emit_reload_insns): Likewise for variable `store_insn'.
20306 (reload_cse_noop_set_p): Mark parameter `insn' with
20308 (reload_combine): Initialize variable `set'.
20310 * unroll.c (unroll_loop): Likewise for variable `local_label'.
20311 (copy_loop_body): Cast a value to `size_t' when comparing against
20314 * varasm.c (assemble_variable): Initialize variable `size_tree'.
20315 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
20316 (remove_from_pending_weak_list): Mark parameter `name' with
20319 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20321 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
20324 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
20326 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
20327 (ASM_DECLARE_FUNCTION_NAME): Define.
20328 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
20329 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
20330 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
20331 not already defined.
20333 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20335 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
20336 of n_popped when call/call_value are not defined.
20338 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
20340 * tm.texi: GNU CC -> GCC conversion.
20341 (CC1_SPEC): Indicate it is used for all language front ends.
20343 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
20345 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
20346 NOTE_INSN_EH_REGION_END correctly.
20348 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20349 Jeff Law <law@cygnus.com>
20351 * loop.c (strength_reduce): Automatically unroll loops if the
20352 unrolled loop size is smaller than the rolled loop size.
20354 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
20355 and delete comment that code should be rewritten.
20357 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
20359 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
20362 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
20364 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20366 * fixinc/mkfixinc.sh: Don't fix uwin headers.
20367 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
20368 (LINK_SPEC): Add -u _main when building executables.
20369 (ASM_DECLARE_FUNCTION): Update from Cygwin.
20370 (ASM_FILE_END): Use the default for ix86-pe.
20371 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
20373 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
20375 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
20376 and ASM_CLOSE_PAREN are empty strings.
20378 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
20379 Geoffrey Keating <geoffk@cygnus.com>
20381 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
20382 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
20383 (unprotoize.o): Ditto.
20384 (test-protoize-simple): Don't define STD_PROTO_DIR.
20385 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
20386 changes to make 'test-protoize-simple' pass.
20387 (STD_PROTO_DIR): Remove define.
20388 (STANDARD_EXEC_PREFIX): Supply default define.
20389 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
20390 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
20391 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
20392 (GET_ENV_PATH_LIST): New macro.
20393 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
20394 (do_processing): Initialize default_syscalls_dir using new
20395 macros. Use it to initialize syscalls_absolute_filename.
20397 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
20399 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
20400 B into a register before emit_conditional_move.
20402 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
20404 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
20405 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
20406 multiplicand out of (+ (* a b) (* c d)).
20408 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
20409 Richard Henderson <rth@cygnus.com>
20411 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
20412 (new_insn_dead_notes): Likewise.
20413 (update_n_sets): Likewise.
20414 (update_flow_info): Move to flow.c, renamed to update_life_info;
20415 extend to handle multiple source insns.
20416 * flow.c: Include resource.h
20417 (unlink_insn_chain): New.
20418 (split_hard_reg_notes): New.
20419 (maybe_add_dead_note): New.
20420 (maybe_add_dead_note_use): New.
20421 (find_insn_with_note): New.
20422 (new_insn_dead_notes): New.
20423 (update_n_sets): New.
20424 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
20425 (maybe_remove_dead_notes): New.
20426 (update_life_info): New.
20427 (prepend_reg_notes): New.
20428 (replace_insns): New.
20429 * output.h (update_life_info): Declare.
20430 * recog.c (split_block_insns): Use update_life_info.
20431 * resource.c (find_free_register): Use reg_alloc_order, don't use
20432 fixed regs, make sure the mode is supported, don't use new regs.
20434 * rtl.h (replace_insns): Declare.
20436 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
20438 * expr.c (expand_expr): Cope with COND_EXPRs with one
20439 non-returning branch.
20441 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
20443 * expr.c (store_expr): Always pass down the target, even when not
20446 1999-08-24 Nick Clifton <nickc@cygnus.com>
20448 * configure.in: Define target_cpu_default for v850 targets.
20449 * configure: Regenerate
20451 * config/v850/v850.h (TARGET_CPU_generic): Define.
20452 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
20453 addresses are 4 byte aligned.
20455 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
20458 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20460 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
20461 (main): Add prototypes.
20463 * genattrtab.c (substitute_address, write_const_num_delay_slots,
20464 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
20465 (write_attr_get): Emit prototypes along with function definition.
20466 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
20467 (write_complex_function): Emit static prototype along with
20468 function definition.
20470 * genemit.c (gen_split): Emit prototypes along with function
20473 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
20474 Likewise for predicates and `insn_operand_predicate'.
20475 (process_template): Emit static prototype along with function
20478 * genrecog.c (make_insn_sequence): Constify a char*. Add
20479 prototypes for get_split_*().
20480 (write_subroutine): Emit prototypes along with function
20483 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20485 * gcse.c (find_avail_set): Follow chains of register-register copies.
20486 Use oprs_not_set_p to guarantee that the returned value can be
20488 (cprop_insn): Don't verify the return value of find_avail_set with
20491 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
20492 (cprop_cc0_jump): New function.
20493 (cprop_insn): Break out new function cprop_jump and use it.
20494 Also use cprop_cc0_jump for machines with CC0.
20495 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
20497 * tree.h (current_function_calls_setjmp,
20498 current_function_calls_longjmp): Delete declarations.
20499 * dsp16xx.c: Include "function.h".
20500 * elxsi.c: Likewise.
20501 * gmicro.c: Likewise.
20502 * h8300.c: Likewise.
20503 * i370.c: Likewise.
20504 * m32r.c: Likewise.
20505 * mn10200.c: Likewise.
20506 * mn10300.c: Likewise.
20507 * ns32k.c: Likewise.
20508 * spur.c: Likewise.
20509 * v850.c: Likewise.
20511 * rtl.h (rtx_equal_function_value_matters): Declare.
20512 * toplev.c (rtx_equal_function_value_matters): Don't declare.
20514 * function.c: Likewise.
20515 * emit-rtl.c: Likewise.
20517 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
20519 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
20522 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20524 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
20527 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
20529 * cpp.texi: Add a node documenting macro varargs (copied
20532 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
20534 * cppspec.c: Put a null pointer at the end of the new argv.
20536 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
20538 * configure.in: Remove code to select/de-select the haifa
20539 scheduler. Every scheduled port gets haifa now.
20540 * configure: Rebuilt.
20541 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
20543 * Makefile.in: Corresponding changes.
20545 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20547 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
20548 All callers changed.
20549 (prepare_float_lib_cmp): Likewise.
20550 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
20551 * expr.h (emit_float_lib_cmp): Delete declaration.
20552 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
20553 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
20554 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
20556 (cmptf): Now conditional on TARGET_HARD_QUAD.
20558 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
20560 * resource.c (mark_target_live_regs): Use
20561 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
20563 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20565 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
20567 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
20569 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
20571 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20573 * rtl.h (rtx_format): Constify a char*.
20575 * rtl.c (rtx_format): Likewise.
20576 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
20577 (init_rtl): Use accessor macro, not `rtx_format'.
20579 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
20582 * caller-save.c (mark_referenced_regs): Likewise.
20584 * combine.c (subst, make_compound_operation, known_cond,
20585 gen_rtx_combine, update_table_tick, get_last_value_validate,
20586 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
20588 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
20589 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
20590 count_reg_usage): Likewise.
20592 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
20595 * final.c (leaf_renumber_regs_insn): Likewise.
20597 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
20598 dump_edge_info, count_reg_references): Likewise.
20600 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
20601 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
20604 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
20605 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
20606 add_label_notes): Likewise.
20608 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
20609 clear_struct_flag, count_sub_rtxs, count_alternatives,
20610 compares_alternatives_p, contained_in_p, walk_attr_value,
20611 write_expr_attr_cache): Likewise.
20613 * genconfig.c (walk_insn_part): Likewise.
20615 * genemit.c (max_operand_1, gen_exp): Likewise.
20617 * genextract.c (walk_rtx): Likewise.
20619 * genflags.c (num_operands): Likewise.
20621 * genoutput.c (scan_operands): Likewise.
20623 * genpeep.c (match_rtx): Likewise.
20625 * genrecog.c (add_to_sequence): Likewise.
20627 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
20630 * integrate.c (save_constants, copy_for_inline,
20631 copy_rtx_and_substitute, subst_constants, restore_constants):
20634 * jump.c (mark_jump_label, invert_exp, redirect_exp,
20635 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
20637 * local-alloc.c (contains_replace_regs, memref_referenced_p):
20640 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
20641 add_label_notes, replace_call_address, count_nonfixed_reads,
20642 invariant_p, find_single_use_in_loop, find_mem_givs,
20643 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
20646 * print-rtl.c (reg_names, print_rtx): Likewise.
20648 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
20650 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
20651 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
20652 print_blocks): Likewise.
20654 * regclass.c (fix_register, record_address_regs,
20655 reg_scan_mark_refs): Likewise.
20657 * regmove.c (stable_but_for_p): Likewise.
20659 * reload.c (loc_mentioned_in_p, operands_match_p,
20660 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
20661 copy_replacements, refers_to_regno_for_reload_p,
20662 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
20663 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
20666 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
20667 delete_address_reloads_1, count_occurrences,
20668 reload_cse_mem_conflict_p, reload_combine_note_use,
20669 add_auto_inc_notes): Likewise.
20671 * resource.c (mark_referenced_resources, mark_set_resources):
20674 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
20675 reg_mentioned_p, regs_set_between_p, modified_between_p,
20676 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
20677 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
20678 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
20679 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
20681 * sched.c (sched_analyze_2, attach_deaths): Likewise.
20683 * stupid.c (stupid_mark_refs): Likewise.
20685 * unroll.c (remap_split_bivs): Likewise.
20687 * varasm.c (mark_constants): Likewise.
20689 * a29k/a29k.c (uses_local_reg_p): Likewise.
20691 * alpha/alpha.c (summarize_insn): Likewise.
20693 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
20694 eliminate_lr2ip): Likewise.
20696 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
20698 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
20699 reg_mentioned_in_mem): Likewise.
20701 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
20702 symbolic_reference_mentioned_p): Likewise.
20704 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
20706 * sh/sh.c (regs_used, mark_use): Likewise.
20708 * vax/vax.c (vax_rtx_cost): Likewise.
20710 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20712 * machmode.h (mode_name): Constify a char*.
20714 * rtl.c (mode_name): Likewise.
20716 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
20718 * optabs.c (init_libfuncs): Constify a char*.
20720 * print-tree.c (mode_name): Remove redundant declaration.
20721 (print_node): Use accessor macro, not `mode_name'.
20723 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
20725 (new_spill_reg): Constify a char*.
20727 * tree.c (mode_name): Remove redundant declaration.
20729 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20731 * rtl.c (rtx_name): Constify a char*.
20733 * rtl.h (rtx_name, fix_sched_param): Likewise.
20735 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
20736 (mypr): Use accessor macro, not `rtx_name'.
20738 * genemit.c (print_code): Constify a char*.
20740 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
20742 * genpeep.c (print_code): Constify a char*.
20744 * genrecog.c (print_code): Likewise.
20746 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
20747 end_bb): Add static prototype.
20748 (draw_edge): Constify a char*.
20749 (end_bb): Remove unused parameter.
20751 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
20752 print_block_visualization): Constify a char*.
20754 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
20756 * c-common.c (c_get_alias_set): Update comment.
20758 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20760 * linux.h (LIB_SPEC): Added.
20762 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20764 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
20766 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
20768 * tree.c (expr_check): Fix typo in last change.
20770 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
20772 * rtl.def (NOTE): Change format to "iuu0n".
20773 (ADDR_DIFF_VEC): Change format to "eEee0".
20774 (ADDRESSOF): Change format to "eit".
20776 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
20777 (RTVEC_ELT): Change to match.
20778 (XVECEXP): Use XVEC and RTVEC_ELT.
20779 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
20780 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
20781 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
20782 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
20783 TRAP_CONDITION, TRAP_CODE): Use XEXP.
20784 (INTVAL): Use XWINT.
20785 (ADDRESSOF_DECL): Use XTREE.
20786 (SET_ADDRESSOF_DECL): Delete.
20787 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
20788 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
20789 ifdefed out since 2.6 at least.
20790 (gen_rtvec_vv): Delete prototype.
20792 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
20794 (copy_most_rtx): Handle 't' format letter.
20795 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
20796 (gen_rtvec_vv): Delete function. All callers changed to use
20797 gen_rtvec_v instead.
20798 * print-rtl.c (print_rtx): Move special casing of NOTEs to
20799 the '0' format letter.
20801 * function.c (gen_mem_addressof): Don't use
20802 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
20804 * integrate.c (copy_rtx_and_substitute): Likewise.
20805 Copy 't' slots with XTREE.
20806 (subst_constants): Treat 't' slots like '[swi]' slots.
20807 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
20808 * jump.c (rtx_equal_for_thread_p): Likewise.
20809 * rtlanal.c (rtx_equal_p): Likewise.
20810 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
20811 only four arguments.
20812 * gengenrtl.c (type_from_format): Provide correct types for
20816 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
20817 If a recent gcc is in use (always in stage2 and beyond), use
20818 statement expressions, so we don't make a function call unless
20819 the check fails. Evaluate arguments exactly once.
20820 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
20821 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
20823 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
20824 they evaluate their arguments exactly once, irrespective of
20825 the compiler in use.
20827 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
20828 is used by the currently-enabled check macros. This is:
20829 (tree_check_failed, tree_class_check_failed): For gcc.
20830 (tree_check, tree_class_check, cst_or_constructor_check,
20831 expr_check): For other compilers.
20833 * gencheck.c: Do not define any *_CHECK1 macros.
20835 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
20836 Mark Mitchell <mark@codesourcery.com>
20838 * c-common.c (c_get_alias_set): Fix support for poitners and
20841 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
20843 * alias.c: Include tree.h.
20844 (nonlocal_reference_p, mark_constant_function): New functions.
20845 * flow.c (life_analysis): Call mark_constant_function.
20846 * rtl.h (mark_constant_function): Declare it.
20848 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
20850 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
20851 unrecognisable switches.
20853 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20855 * loop.c (recombine_givs): Set ix field after sorting.
20856 (recombine_givs): Remove bogus index / giv lockstep looping.
20858 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20860 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
20862 (emit_store_flag_force): Use do_compare_rtx_and_jump.
20863 (do_cmp_and_jump): Formatting fixes.
20864 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
20865 do_compare_rtx_and_jump instead of compare_from_rtx.
20866 (do_compare_rtx_and_jump): New function; mostly copied from
20868 (do_jump_for_compare): Delete.
20869 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
20871 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
20872 of compare/do_jump_for_compare pairs.
20873 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
20874 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
20875 compare_from_rtx/do_jump_for_compare pairs.
20876 (do_jump_by_parts_equality): Likewise.
20877 (do_jump_by_parts_equality_rtx): Likewise.
20878 * expr.h (do_compare_rtx_and_jump): Declare.
20879 * optabs.c (prepare_cmp_insn): New function, contains most of the code
20880 that used to be in emit_cmp_insn.
20881 (cmp_available_p): New function.
20882 (prepare_operand): New function.
20883 (emit_cmp_and_jump_insn_1): New function, contains some code that used
20884 to be in emit_cmp_insn.
20885 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
20886 parameters to be pointers; don't emit final compare but modify some of
20887 the values pointed to by the args so the caller can perform the
20888 correct comparison.
20889 (expand_binop): Call emit_store_flag_force with signed forms of
20891 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
20892 emit_jump_insn pair.
20893 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
20894 emit_cmp_and_jump_insn_1. Call emit_queue.
20895 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
20897 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
20898 jump sets cc0 before deleting it.
20899 * integrate.c (expand_inline_function): Likewise.
20900 * unroll.c (unroll_loop): Similar changes in several places.
20901 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
20902 before deleting it.
20904 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20906 * Makefile.in (insn-recog.o): Update dependencies.
20907 * genrecog.c (main): Make generated file include "function.h".
20909 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
20911 * cse.c (cse_insn): Call never_reached_warning when a jump is
20912 changed to be unconditional.
20913 * flags.h: Declare warn_notreached.
20914 * flow.c (delete_block): Call never_reached_warning when
20915 a block is deleted.
20916 * jump.c (delete_barrier_successors): Call never_reached_warning
20917 when we delete everything after a BARRIER.
20918 (never_reached_warning): New function.
20919 * rtl.h: Declare never_reached_warning.
20920 * toplev.c (warn_notreached): New variable.
20921 (lang_independent_options): Set warn_notreached
20922 when -Wunreachable-code.
20923 (compile_file): We need line numbers for -Wunreachable-code.
20925 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
20927 * haifa-sched.c (insn_unit): Fix typo on out of range test.
20928 * sched.c (insn_unit): Likewise.
20930 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
20932 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
20934 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20936 * flow.c (create_edge_list): Use xmalloc, not malloc.
20938 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
20940 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
20941 C-style comments. Do not lose the character before double slash.
20943 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20945 * basic-block.h (struct edge_list): Stucture to maintain a vector
20947 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
20948 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
20949 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
20950 New function prototypes.
20951 * flow.c (create_edge_list): Function to create an edge list.
20952 (free_edge_list): Discards memory used by an edge list.
20953 (print_edge_list): Debug output showing an edge list.
20954 (verify_edge_list): Internal consistency check for an edge list.
20955 (find_edge_index): Function to find an edge index for a pred and succ.
20957 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
20959 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
20962 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
20964 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
20966 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
20968 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
20970 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
20972 * toplev.c (rest_of_compilation): Allow machine dependent
20973 reorganisation pass to place information into the RTL dump
20974 file if it so wishes.
20976 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
20978 * explow.c (hard_function_value): Use VOIDmode instead of
20980 * stmt.c (expand_return): Likewise.
20981 * stor-layout.c (get_best_mode): Likewise.
20983 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
20984 emit call instead of emit_insn call.
20986 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20988 * configure.in: Handle --disable/enable-win32-registry.
20989 * install.texi: Document --disable/enable-win32-registry.
20990 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
20991 (WIN32_REGISTRY_KEY): New macro.
20992 * prefix.c: Use to enable/disable win32-specific code.
20993 (lookup_key): Use versioned key.
20994 * configure: Regenerate.
20995 * config.in: Likewise.
20997 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
20999 * cpplib.c (read_line_number): New fn, split out of...
21002 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21004 tree.c (lang_unsave_expr_now) : New.
21005 (unsave_expr_now): Call lang_unsave_expr_now.
21006 tree.h (lang_unsave_expr_now) : New.
21008 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
21010 * toplev.c (flag_new_exceptions): On by default.
21012 1999-08-13 Michael Meissner <meissner@cygnus.com>
21014 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
21016 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21018 * dwarfout.c (fundamental_type_code): Return FT_boolean for
21019 INTEGER_TYPE with precision==1, it's __java_boolean.
21021 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21023 * global.c (prune_preferences): Move some invariants out of the
21026 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
21028 * configure.in (alpha*-dec-osf*): Add osf5.
21030 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
21032 * configure.in: Rework handling of ARM GNU/Linux slightly.
21033 (arm*-*-linux-gnuoldld): New target.
21034 * configure: Regenerate.
21035 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
21036 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
21037 * config/arm/linux-oldld.h: New file.
21038 * config/arm/linux-elf26.h: Don't include linux-elf.h.
21039 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
21041 * config/arm/linux-elf.h (ASM_SPEC): Define.
21042 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
21043 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
21044 for 26-bit APCS and old linker.
21045 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
21047 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
21048 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
21049 don't define `arm' or `arm_elf'.
21050 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
21051 MULTILIB_DIRNAMES): Define. Fix typo in comment.
21053 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
21055 * rtl.texi: Fix typo.
21057 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
21059 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
21061 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
21063 * extend.texi (C++ Signatures): Remove node.
21064 * invoke.texi: Remove discussion of -fhandle-signatures,
21065 signature, sigof, __signature__, and __sigof__.
21067 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
21069 * Makefile.in (JAVAGC): Removed.
21071 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
21073 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21075 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
21077 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21079 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
21081 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
21082 a register that is already known to be a pointer.
21084 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
21086 * fixinc/inclhack.tpl: Only install assert.h conditionally.
21087 * fixinc/inclhack.sh: Regenerated.
21088 * fixinc/fixincl.sh: Regenerated.
21090 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
21092 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
21093 Fix documentation of -ansi flag to describe its C++ behavior.
21094 Remove bogus reference to GCC 2.9.
21096 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
21098 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
21099 note if it is non-NULL.
21101 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21103 * except.h (eh_nesting_info): Add new structure defintion.
21104 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
21105 (reachable_handlers, update_rethrow_references): Add function
21107 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
21108 a rethrow symbol instead of an integer exception region number.
21109 * flow.c (Make_edges): Use new exception nesting routines to determine
21110 which handlers are reachable from a CALL or asynchronous insn.
21111 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
21113 (delete_eh_regions): Update rethrow labels, and don't delete
21114 regions which are the target of a rethrow.
21115 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
21116 avoid overloading the SYMBOL_REF_USED flag.
21117 (rethrow_symbol_map): Use new rethrow_ref field.
21118 (rethrow_used): Use new rethrow_ref field.
21119 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
21120 of an integer. Fix formatting.
21121 (output_exception_table_entry): Use new rethrow_ref field.
21122 (can_throw): Check for EH_REGION_NOTE before deciding
21123 whether a CALL can throw or not.
21124 (scan_region): Call rethrow_used() instead of accessing data structure.
21125 (update_rethrow_references): New function to make sure only regions
21126 which are still targets of a rethrow are flagged as such.
21127 (process_nestinfo): New static function to initialize a handler
21128 list for a specific region.
21129 (init_eh_nesting_info): New function to allocate and initialize
21130 the list of all EH handlers reachable from all regions.
21131 (reachable_handlers): New function to retrieve the list of handlers
21132 reachable from a specific region and insn.
21133 (free_eh_nesting_info): New function to dispose of a list of
21134 reachable handlers.
21136 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21138 * flow.c (split_edge): Set JUMP_LABEL field.
21139 (commit_one_edge_insertion): Set head correctly for insert_before.
21140 When inserting insns, update insn block numbers if allocated.
21142 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21144 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
21145 retry_incomplete_types): Add static prototype.
21146 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
21147 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
21148 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
21149 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
21150 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
21153 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
21154 dwarf2out_start_source_file, dwarf2out_line): Likewise.
21156 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21158 * output.h (assemble_name): Constify a char*.
21160 * varasm.c (UNIQUE_SECTION, assemble_start_function,
21161 assemble_variable, assemble_name): Likewise.
21163 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
21165 * arm/pe.c (arm_pe_unique_section): Likewise.
21167 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
21169 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
21171 * i386/interix.c (i386_pe_unique_section): Likewise.
21173 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
21175 * i386/winnt.c (i386_pe_unique_section): Likewise.
21177 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
21179 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
21181 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
21183 * pa/pa.c (output_call): Likewise.
21185 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
21187 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
21189 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
21192 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
21195 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
21197 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
21198 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
21200 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
21202 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21204 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
21206 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21208 * tree.h (lang_identify): Constify a char*.
21209 (print_error_function): Add extern prototype. Constify a char*.
21211 * c-lang.c (lang_identify): Constify a char*.
21213 * objc/objc-act.c (lang_identify): Constify a char*.
21215 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21217 * genpeep.c (main): Make generated file include "function.h".
21218 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
21220 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21222 * Makefile.in: Update dependencies.
21223 * alias.c: Include "function.h"
21224 * c-decl.c: Likewise.
21225 * caller-save.c: Likewise.
21226 * calls.c: Likewise.
21227 * combine.c: Likewise.
21229 * explow.c: Likewise.
21230 * final.c: Likewise.
21231 * global.c: Likewise.
21232 * graph.c: Likewise.
21233 * local-alloc.c: Likewise.
21234 * loop.c: Likewise.
21235 * optabs.c: Likewise.
21236 * profile.c: Likewise.
21237 * recog.c: Likewise.
21238 * regclass.c: Likewise.
21239 * regmove.c: Likewise.
21240 * reload.c: Likewise.
21241 * reorg.c: Likewise.
21242 * resource.c: Likewise.
21243 * sched.c: Likewise.
21244 * stupid.c: Likewise.
21245 * config/1750a/1750a.c: Likewise.
21246 * config/a29k/a29k.c: Likewise.
21247 * config/arc/arc.c: Likewise.
21248 * config/arm/arm.c: Likewise.
21249 * config/arm/thumb.c: Likewise.
21250 * config/c4x/c4x.c: Likewise.
21251 * config/clipper/clipper.c: Likewise.
21252 * config/convex/convex.c: Likewise.
21253 * config/fx80/fx80.c: Likewise.
21254 * config/i860/i860.c: Likewise.
21255 * config/m68k/m68k.c: Likewise.
21256 * config/m88k/m88k.c: Likewise.
21257 * config/mips/mips.c: Likewise.
21258 * config/pdp11/pdp11.c: Likewise.
21259 * config/pyr/pyr.c: Likewise.
21260 * config/romp/romp.c: Likewise.
21261 * config/sh/sh.c: Likewise.
21262 * config/tahoe/tahoe.c: Likewise.
21263 * config/vax/vax.c: Likewise.
21264 * config/we32k/we32k.c: Likewise.
21265 * config/sparc/sparc.c: Include "function.h".
21266 (mem_min_alignment): Test current_function rather than
21267 regno_pointer_align.
21268 * config/pa/pa.c: Likewise.
21269 (compute_frame_size): Delete declaration of
21270 current_function_outgoing_args_size.
21271 * config/arc/arc.h (current_function_varargs): Delete declaration.
21272 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
21274 * config/i370/i370.h (current_function_outgoing_args_size): Delete
21276 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
21277 current_function_uses_pic_offset_table.
21278 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
21279 of current_function_returns_pointer.
21280 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21281 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21282 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21283 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21284 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21285 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21286 * config/m88k/m88k.c: Include "function.h"
21287 (call_used_regs, current_function_pretend_args_size,
21288 current_function_outgoing_args_size, frame_pointer_needed): Delete
21290 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
21292 * config/mips/mips.h (current_function_calls_alloca): Delete
21294 * config/mn10200/mn10200.h (current_function_needs_context,
21295 rtx_equal_function_value_matters): Delete declarations.
21296 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
21297 flag_pic): Delete declarations.
21298 * config/pa/pa.h (current_function_pretend_args_size,
21299 current_function_decl): Delete declarations.
21300 * config/pa/som.h (current_function_varargs): Delete declaration.
21301 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
21303 * config/pyr/pyr.h (current_function_pretend_args_size,
21304 current_function_args_size, current_function_calls_alloca): Delete
21306 * config/sh/sh.h (current_function_varargs): Delete declaration.
21307 * config/sparc/sparc.h (current_function_outgoing_args_size,
21308 current_function_calls_alloca, current_function_decl): Delete
21310 * config/spur/spur.h (current_function_pretend_args_size,
21311 current_function_calls_alloca): Delete declarations.
21312 * config/v850/v850.c (current_function_outgoing_args_size): Delete
21314 * config/vax/vms.h (current_function_name): Delete declaration.
21315 * gcse.c: Include "function.h".
21316 (current_function_name, current_function_calls_setjmp): Delete
21318 * haifa-sched.c: Include "function.h".
21319 (forced_labels): Delete declaration.
21320 * jump.c: Likewise.
21321 * reg-stack.c: Likewise.
21322 * reload1.c: Likewise.
21323 * genemit.c (main): Make generated file include function.h.
21324 * genoutput.c (output_prologue): Likewise.
21326 * builtins.c (saveregs_value, apply_args_value): Delete variables.
21327 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
21328 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
21329 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
21330 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
21331 macros for some of them.
21332 (emit_filename, emit_lineno): Delete declarations.
21333 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
21334 regno_pointer_* variables through current_function.
21335 (gen_inline_header_rtx): Delete function.
21336 (save_emit_status): Delete function.
21337 (set_new_last_label_num): New function.
21338 (clear_emit_caches): New function.
21339 (restore_emit_status): Just clear last_labelnum and call
21341 (get_last_insn_anywhere): Variable sequence_stack is now accessed
21342 through macro seq_stack.
21343 (add_insn_after): Likewise.
21344 (add_insn_before): Likewise.
21345 (remove_insn): Likewise.
21346 (pop_topmost_sequence): Likewise.
21347 (in_sequence_p): Likewise.
21348 (start_sequence_for_rtl_expr): Likewise.
21349 (start_sequence): Likewise, and likewise for
21350 sequence_rtl_expr/seq_rtl_expr.
21351 (push_topmost_sequence): Likewise.
21352 (end_sequence): Likewise.
21353 (init_virtual_regs): Now takes a "struct emit_status *" argument.
21354 All callers changed. Store into that pointer instead of globals.
21355 (init_emit): Allocate emit elt of current_function.
21356 Changes for sequence_rtl_expr/sequence_stack renaming.
21357 Call clear_emit_caches instead of doing it in-line.
21358 Access regno_pointer_* variables through current_function.
21359 (init_emit_once) Don't clear sequence_stack.
21361 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
21363 (arg_pointer_save_area): Delete declaration.
21364 (finish_expr_for_function): Renamed from init_queue; no longer static.
21365 (init_expr): Don't call init_queue.
21366 (save_expr_status, restore_expr_status): Delete functions.
21367 (expand_expr): Changes to reflect new layout of struct function.
21368 Don't access current_function_check_memory_usage when current_function
21370 * expr.h (forced_labels, save_expr_regs, saveregs_value,
21371 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
21372 current_function_outgoing_args_size, current_function_arg_offset_rtx,
21373 current_function_uses_const_pool, function_call_count,
21374 current_function_uses_pic_offset_table, nonlocal_labels,
21375 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
21376 current_function_check_memory_usage, nonlocal_goto_handler_slots,
21377 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
21379 (finish_expr_for_function): Declare.
21380 * flags.h (current_function_has_nonlocal_label,
21381 current_function_has_nonlocal_goto, current_function_is_thunk,
21382 current_function_has_computed_jump): Delete declarations.
21383 * flow.c (forced_labels): Delete declaration.
21384 * function.c (current_function_pops_args,
21385 current_function_returns_struct, current_function_returns_pcc_struct,
21386 current_function_needs_context, current_function_calls_setjmp,
21387 current_function_calls_longjmp, current_function_has_nonlocal_label,
21388 current_function_has_nonlocal_goto, current_function_is_thunk,
21389 current_function_has_computed_jump, current_function_calls_alloca,
21390 current_function_contains_functions, current_function_returns_pointer,
21391 current_function_epilogue_delay_list, current_function_args_size,
21392 current_function_pretend_args_size, current_function_arg_offset_rtx,
21393 current_function_outgoing_args_size, current_function_varargs,
21394 current_function_stdarg, current_function_args_info, cleanup_label,
21395 current_function_name, current_function_uses_const_pool,
21396 current_function_instrument_entry_exit, current_function_return_rtx,
21397 current_function_uses_pic_offset_table, nonlocal_labels,
21398 current_function_internal_arg_pointer, current_function_cannot_inline,
21399 current_function_check_memory_usage, function_call_count,
21400 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
21401 nonlocal_goto_stack_level, return_label, save_expr_regs,
21402 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
21403 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
21404 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
21405 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
21406 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
21408 (push_function_context_to): Don't save them. Don't call
21409 save_storage_status, save_emit_status or save_expr_status.
21410 (pop_function_context_from): Don't restore them. Don't call
21411 restore_storage_status or restore_expr_status.
21412 (get_func_frame_size): New function.
21413 (get_frame_size): Use it.
21414 (assign_outer_stack_local): Reflect some member name changes in struct
21416 (put_reg_into_stack): Likewise.
21417 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
21419 (fixup_var_refs): Likewise.
21420 (fix_lexical_addr): Likewise.
21421 (trampoline_address): Likewise.
21422 (prepare_function_start): Clear field inlinable of current_function.
21423 (init_function_for_compilation): New function.
21424 (expand_dummy_function_end): New function.
21425 (expand_function_end): Call finish_expr_for_function.
21426 * function.h (struct emit_status): New; fields moved here from struct
21427 function and from global variables. Add accessor macros for some of
21429 (struct expr_status): Likewise.
21430 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
21431 (struct function): Add fields expr and emit, inlinable, inl_emit,
21432 original_arg_vector, original_decl_initial, inl_last_parm_insn,
21433 inl_max_label_num. Add many comments.
21434 Add accessor macros for all elts of struct function that no longer
21435 have a global variable.
21436 (cleanup_label, return_label, frame_offset, tail_recursion_label,
21437 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
21438 stack_slot_list): Delete declarations.
21439 (get_func_frame_size): Declare.
21440 (save_expr_status, restore_expr_status, save_emit_status,
21441 save_storage_status, restore_storage_status): Delete declarations.
21442 (init_virtual_regs): Declare.
21443 * output.h (current_function_pops_args,
21444 current_function_returns_struct, current_function_returns_pcc_struct,
21445 current_function_needs_context, current_function_calls_setjmp,
21446 current_function_calls_longjmp, current_function_calls_alloca,
21447 current_function_has_nonlocal_label, current_function_varargs,
21448 current_function_has_computed_jump, current_function_returns_pointer,
21449 current_function_contains_functions, current_function_args_size,
21450 current_function_pretend_args_size, current_function_stdarg,
21451 current_function_outgoing_args_size, current_function_args_info,
21452 current_function_name, current_function_return_rtx,
21453 current_function_epilogue_delay_list,
21454 current_function_uses_const_pool, current_function_cannot_inline):
21455 Delete declarations.
21456 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
21457 regno_reg_rtx): Delete declaration.
21458 (REGNO_POINTER_FLAG): Delete macro.
21459 * stmt.c (expand_goto): Changes to reflect that some fields in struct
21460 function were renamed.
21461 * stor-layout.c (save_storage_status, restore_storage_status): Delete
21463 * toplev.c: Include "function.h".
21464 (current_function_decl): Delete declaration.
21465 (compile_file): Call init_dummy_function_start and
21466 expand_dummy_function_end around some initializations that need to
21468 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
21469 Call init_function_for_compilation.
21470 * unroll.c: Include "function.h"
21471 (unroll_loop): Access regno_pointer_* variables through
21474 * tree.h (struct tree_decl): Add elt f to saved_insns member.
21475 (DECL_SAVED_INSNS): use it.
21476 (expand_dummy_function_end): Declare.
21477 (init_function_for_compilation): Declare.
21478 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
21479 that it's no longer an INLINE_HEADER.
21480 (expand_call): Likewise.
21481 * integrate.c (finish_inline): Delete function.
21482 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
21483 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
21484 args. Don't generate an INLINE_HEADER rtx, just return the arg
21485 vector. All callers changed.
21486 (save_for_inline_copying): Create a duplicate struct emit_status to
21487 hold the emit state for compiling the current function. Use this and
21488 the other new fields in struct function that are for integration
21489 instead of an INLINE_HEADER.
21490 Use memcpy instead of bcopy.
21491 Store the current struct function in DECL_SAVED_INSNS of fndecl.
21492 (save_for_inline_nocopy): Similar changes, except no new emit_status
21494 (expand_inline_function): Get information from function structure,
21495 not from an inline header rtx.
21496 (output_inline_function): Lose code to extract the necessary
21497 information from an inline header; simply put back the function
21498 structure into current_function. Clear its inlinable elt.
21499 * rtl.def (INLINE_HEADER): Delete.
21500 * rtl.h: Delete all accessors for an INLINE_HEADER.
21501 (gen_inline_header_rtx): Delete declaration.
21502 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
21503 Delete declarations.
21504 (REGNO_POINTER_ALIGN): Delete.
21505 (clear_emit_caches): Declare.
21506 (set_new_last_label_num): Declare.
21508 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
21510 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
21512 * except.c (expand_eh_region_start_for_decl): Always start a new block.
21513 * stmt.c (is_eh_region): Make sure current_function is present, too.
21515 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
21517 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
21518 for 64bit PA targets.
21520 * pa.h (SELECT_SECTION): Define.
21521 * som.h (SELECT_SECTION): Delete.
21523 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21525 * alias.c (init_alias_analysis): Wrap call to
21526 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
21528 1999-08-07 Bruce Korb <autogen@linuxbox.com>
21530 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
21531 <sys/asm.h> contains an asm comment with an apostrophe
21532 * fixinc/inclhack.sh: regen
21533 * fixinc/fixincl.x: regen
21535 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
21537 * function.c (init_function_start): Clear prologue & epilogue.
21538 (prologue_epilogue_contains): New function.
21539 * alias.c (init_alias_analysis): Use it.
21540 * rtl.h (prologue_epilogue_contains): Declare it.
21542 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
21544 * jump.c (onlyjump_p): New function.
21545 * rtl.h: Declare it.
21546 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
21547 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
21549 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
21551 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
21552 to invert loops. Simplify block scanning.
21554 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21556 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
21557 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
21559 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
21561 * config/sparc/liteelf.h: New file to support sparclite-elf target
21562 * config/sparc/t-sp86x: New file to support sparc86x targets
21563 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
21564 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
21565 * configure.in: Support above target triplets
21566 * configure: Regenerated
21568 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
21570 * fixinc/server.c (server_setup): Do not prefix function used as
21571 parameter with `&'.
21573 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
21575 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
21576 Remove fp reg alternatives.
21578 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
21580 * Makefiin (TAROUTOPTS): Kill.
21581 (install-headers-tar): Use "xpf" for tar headerfile extraction
21582 * i370/x-oe (TAROUTOPTS): Delete.
21583 * m68k/x-apollo68 (TAROUTOPTS): Delete.
21584 * m68k/x-hp320 (TAROUTOPTS): Delete.
21585 * m68k/x-hp320g (TAROUTOPTS): Delete.
21586 * gcc.texi: Update bug reporting text.
21588 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21590 * reg-stack.c (change_stack) Fixed problem with negative array index.
21592 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
21594 * extend.texi, install.texi: Fix spelling mistakes.
21596 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
21597 (s-attrtab); No longer try to use pre-made insn-attrtab file.
21598 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
21599 PREMADE_ATTRTAB_MD.
21600 * mips/t-ecoff: Likewise.
21601 * mips/t-elf: Likewise.
21602 * mips/t-mips: Likewise.
21603 * mips/t-osfrose: Likewise.
21604 * mips/t-r3900: Likewise.
21605 * mips/t-svr3: Likewise.
21606 * mips/t-svr4: Likewise.
21607 * mips/t-ultrix: Likewise.
21609 * gcc.texi: Document recommend means to provide software floating
21610 point libraries in libgcc.a
21612 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
21614 * c-lex.c (yylex): We can have a number with no digits.
21616 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
21618 * jump.c (delete_prior_computation): New function, broken
21619 out of delete_computation. Check for side effects with
21620 side_effects_p instead of FIND_REG_INC_NOTE. Handle
21621 multi-word hard registers.
21622 (delete_computation): Use it. Check for side effects with
21623 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
21624 missing REG_DEAD note for a register which is both set and
21627 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
21629 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
21630 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
21631 (ASM_FILE_START): Import _mcount with the right type.
21632 (ASM_DECLARE_FUNCTION_NAME): Define.
21633 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
21634 * pa.c (output_function_prologue): Always emit the function's label
21636 * pa.h (TEXT_SPACE_P): Define.
21637 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21638 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
21639 * som.h (TEXT_SPACE_P): Delete.
21640 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21641 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
21643 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
21645 * expr.c (emit_group_load): Allow src to be a CONCAT.
21647 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21649 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
21650 (___mulsi3): Use '!' comment character.
21652 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21654 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
21656 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
21658 * gcc.c: Update URLs and mail addresses.
21659 * gcc.texi: Likewise.
21661 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
21663 * rs6000.c (current_file_function_operand): Return zero for
21665 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
21667 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
21670 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
21672 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
21673 allocate space in the stack frame for the PIC register.
21675 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
21677 * m68k.md (xordi3, anddi3): These patterns are not available on
21680 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
21682 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
21683 (PUT_REAL): Likewise.
21685 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21687 * final.c (shorten_branches): Don't add an alignment for loops
21688 that have no label inside.
21690 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21692 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
21693 prototypes in macro HAVE_cmpstrsi.
21695 * cpplib.c (cpp_get_token): Remove unused label `op3'.
21697 * emit-rtl.c (operand_subword): Remove unused variable
21700 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
21702 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
21704 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
21706 * cpphash.c (macroexpand): Delete leading whitespace when arg
21707 is concatenated before.
21708 (unsafe_chars): Correct test for whether + and - can extend a
21711 * cppinit.c (cpp_start_read): Do dependencies for
21712 -include/-imacros files also.
21714 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
21715 tokenizing non-directive lines.
21716 (cpp_expand_to_buffer): Temporarily disable no-output mode.
21717 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
21720 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21722 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
21724 * c-lex.c: Sync with C++ frontend.
21725 (linemode): New variable.
21726 (parse_float): imag, conversion_errno, and type are output only.
21727 (yylex): Adjust. Move initial '.' case into main switch.
21729 (handle_generic_pragma): Just deal with tokens.
21730 (readescape): Use ISXDIGIT and ISGRAPH.
21731 * c-parse.in: Add END_OF_LINE token.
21733 * c-lex.c (lang_init): Generalize.
21734 (nextchar): Remove. Replace uses with UNGETC.
21735 (skip_white_space): Handle linemode here. Optimize for cpplib.
21736 (skip_white_space_on_line): Remove.
21737 (extend_token_buffer_to): New fn.
21738 (extend_token_buffer): Use it.
21739 (read_line_number, check_newline): Just deal with tokens.
21740 (token_getch, token_put_back): New fns.
21741 (yylex): Use them. More cpplib optimizations. Simplify.
21743 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21744 Jason Merrill <jason@yorick.cygnus.com>
21746 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
21747 (consume_string): Make this smart about USE_CPPLIB.
21748 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
21749 (yylex): Rewrite to be intelligent about USE_CPPLIB.
21750 Also, clean up cases where we redundantly set token_buffer[0].
21751 (read_line_number): New fn.
21752 (ignore_escape_flag): New variable.
21754 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
21756 * a29k/t-a29kbare: Fix some comments.
21757 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
21758 (FPBIT, DPBIT): Define.
21759 * a29k/t-vx29k: Likewise.
21760 * arc/t-arc: Likewise.
21761 * arm/t-arm-elf: Likewise.
21762 * arm/t-bare: Likewise.
21763 * arm/t-pe: Likewise.
21764 * arm/t-pe-thumb: Likewise.
21765 * arm/t-semi: Likewise.
21766 * arm/t-thumb: Likewise.
21767 * arm/t-thumb-elf: Likewise.
21768 * arm/t-thumb-linux: Likewise.
21769 * h8300/t-h8300: Likewise.
21770 * i960/t-i960: Likewise.
21771 * i960/t-vxworks960: Likewise.
21772 * m32r/t-m32r: Likewise.
21773 * mips/t-ecoff: Likewise.
21774 * mips/t-elf: Likewise.
21775 * mips/t-r3900: Likewise.
21776 * pa/t-pro: Likewise.
21777 * rs6000/t-aix43: Likewise.
21778 * rs6000/t-beos: Likewise.
21779 * rs6000/t-newas: Likewise.
21780 * rs6000/t-ppccomm: Likewise.
21781 * rs6000/t-rs6000: Likewise.
21782 * rs6000/t-winnt: Likewise.
21783 * rs6000/t-xnewas: Likewise.
21784 * rs6000/t-xrs6000: Likewise.
21785 * sh/t-sh: Likewise.
21786 * sparc/t-elf: Likewise.
21787 * sparc/t-sparcbare: Likewise.
21788 * sparc/t-sparclite: Likewise.
21789 * sparc/t-splet: Likewise.
21790 * v850/t-v850: Likewise.
21791 * mn10200/t-mn10200: Fix comments.
21792 * mn10300/t-mn10300: Likewise.
21794 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
21795 dummy operand. Allocate a new pseudo for the dummy operand.
21796 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
21798 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
21800 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
21802 * configure: Rebuilt.
21803 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
21805 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
21807 * recog.c (preproces_constraints): Zero recog_op_alt before
21808 processing the constraints.
21810 * arm.c (typedef minipool_node): Renamed from pool_node.
21811 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
21812 (add_minipool_constant): New function.
21813 (dump_minipool): New function.
21814 (find_barrier): Remove special case for getting the insn size of
21815 an insn that references the constant pool.
21816 (minipool_fixup): New structure.
21817 (push_minipool_barrier): New function.
21818 (push_minipool_fix): New function.
21819 (note_invalid_constants): New function.
21820 (add_pool_constant, dump_table, fixit, broken_move): Delete.
21821 (arm_reorg): Rewrite code to fix up the constant pool into a
21822 series of mini-pools embedded in the insn stream.
21823 (arm_output_epilogue): New function, made mainly from the body
21824 of output_func_epilogue.
21825 (output_func_epilogue): Move insn generation part of epilogue code
21826 to arm_output_epilogue.
21827 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
21828 * arm.md (pool_range): New attribute.
21829 (zero_extendqidi2): Add attribute pool_range.
21830 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
21831 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
21832 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
21833 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
21834 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
21835 (epilogue): New expand.
21836 (epilogue_insn): New insn. Call arm_output_epilogue.
21838 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
21839 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
21841 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21843 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21845 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
21847 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
21849 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
21851 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
21853 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
21855 * global.c: Fix comment.
21857 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
21859 * gcc.c (access_check): New static function.
21860 (find_a_file): Use it when searching a directory list.
21861 * collect2.c (find_a_file): Don't accept directories found when
21862 searching a directory list.
21864 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
21866 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
21867 function parameters with `&'.
21868 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
21870 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
21872 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
21873 or tidy_fallthru_edge if the last insn in the block is not
21874 an unconditional jump or a simple conditional jump.
21876 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21878 * Makefile.in (c-decl.o): Depends on defaults.h.
21880 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
21882 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
21884 (CLASS_MAX_NREGS): Likewise.
21886 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
21888 * cse.c (cse_insn): Fix dumb thinko in last change.
21890 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21892 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
21895 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
21897 * dwarf2out.c (add_location_or_const_value_attribute): Correct
21898 test for sizes of passed and declared parameter types.
21900 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21902 * fixincludes: Fix the return type of bsearch, char* -> void*.
21904 * fixinc/inclhack.def: Likewise.
21906 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
21908 * invoke.texi (-fdump-translation-unit): New option.
21910 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
21912 * expr.h (PROMOTE_PROTOTYPES): Move ...
21913 * defaults.h: ... to here.
21914 * c-decl.c: Include defaults.h instead of expr.h.
21915 * c-typeck.c: Include defaults.h.
21917 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
21919 * toplev.h (errorcount): Declare.
21920 (warningcount): Likewise.
21921 (sorrycount): Likewise.
21922 * c-lex.c (errorcount): Don't declare.
21923 * dwarf2out.c (errorcount): Don't declare.
21925 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
21927 * config/libgloss.h: Add a note discouraging use with ELF.
21928 * configure.in: Don't use libgloss.h for ELF targets.
21929 Always use_collect2 on a.out targets.
21931 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
21933 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
21934 (force_to_mode, case ASHIFTRT): Add shiftrt label.
21936 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21938 * loop.c (strength_reduce): When doing biv->giv conversion, update
21939 reg note of NEXT->insn.
21941 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21943 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
21945 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21947 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
21948 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
21949 Ensure expr.h is included.
21950 * c-typecheck.c (convert_arguments): Ditto.
21952 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
21954 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
21955 * config/convex/convex.h: Ditto.
21956 * config/dsp16xx/dsp16xx.h: Ditto.
21957 * config/fx80/fx80.h: Ditto.
21958 * config/gmicro/gmicro.h: Ditto.
21959 * config/i370/i370.h: Ditto.
21960 * config/i386/i386.h: Ditto.
21961 * config/m32r/m32r.h: Ditto.
21962 * config/m68k/m68k.h: Ditto.
21963 * config/m88k/m88k.h: Ditto.
21964 * config/mips/mips.h: Ditto.
21965 * config/pa/pa.h: Ditto.
21966 * config/pyr/pyr.h: Ditto.
21967 * config/tahoe/tahoe.h: Ditto.
21968 * config/we32k/we32k.h: Ditto.
21970 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
21971 based on arch size.
21973 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
21975 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
21978 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
21980 1999-08-02 Richard Henderson <rth@cygnus.com>
21982 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
21983 for the register spill block.
21984 (m32r_va_arg): New.
21985 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
21986 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
21988 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
21989 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
21990 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
21992 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21994 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
21995 MAX_WCHAR_TYPE defined in sparc.h.
21996 * config/sparc/linuxaout.h: Likewise.
21997 * config/sparc/linux64.h: Likewise.
21998 Also default to -mvis if CPU is UltraSPARC.
22000 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22002 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
22003 (RTX_OK_FOR_OLO10): Likewise.
22004 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
22005 %lo(), allow it in addresses...
22006 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
22007 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
22008 does not make sense.
22009 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
22010 (sparc_output_scratch_registers): New function.
22011 (output_function_prologue, sparc_flat_output_function_prologue): Use
22013 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
22015 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
22016 * configure.in: Add check for .register pseudo-op support in as and
22017 check for offsetable %lo().
22018 * acconfig.h: Add templates for the above checks.
22019 * configure: Regenerate.
22021 1999-08-02 Richard Henderson <rth@cygnus.com>
22023 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
22024 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
22025 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
22027 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22029 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22032 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22034 * config/float-sparc.h: New file.
22035 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
22036 sparc-*-linux-gnu and sparc64-*-linux*.
22038 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22040 * rs6000.c (rs6000_va_list): Type is an array.
22041 (rs6000_va_start): Don't doubly adjust for varargs.
22042 (rs6000_va_arg): Evaluate long long GPR adjustment.
22044 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
22046 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
22047 -maix64 and -maix32.
22048 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
22049 LINK_SPEC): Change appropriately.
22050 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
22051 (u_short_cint_operand): Likewise.
22052 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
22054 * rs6000/t-aix43 (MULTILIB): Change to -m64.
22056 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
22058 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
22060 * rs6000/rs6000.c (num_insns_constant_wide): Correct
22061 for type promotion.
22062 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
22063 (non_add_cint_operand): Likewise.
22064 (logical_operand): Likewise.
22065 (non_logical_cint_operand): Likewise.
22066 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
22067 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
22068 (rs6000_select_rtx_section): Suppress warning.
22069 (small_data_operand): Suppress warning.
22070 (rs6000_got_register): Suppress warning.
22071 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
22072 type, so `J' is generally the wrong constraint for a SImode value;
22074 (andsi3_internal2): Likewise.
22075 (andsi3_internal3): Likewise.
22076 (iorsi3_internal1): Likewise.
22077 (xorsi3_internal1): Likewise.
22079 (movsf_softfloat): Likewise.
22080 (scc insns): Likewise.
22081 (movsi+2): Preserve sign bits of SImode constant.
22082 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
22083 (movdf+1): Sign-extend properly.
22084 (movdi_32+1): Sign-extend properly.
22085 (scc insns): Sign-extend properly.
22087 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
22090 1999-08-02 Richard Henderson <rth@cygnus.com>
22092 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
22093 -mcpu parsing code.
22094 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
22095 * alpha.md (all fp insns): Likewise.
22097 1999-08-02 Nick Clifton <nickc@cygnus.com>
22099 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
22102 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
22104 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
22105 pic_load_label generator directly.
22106 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
22107 No longer a named pattern.
22109 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
22111 * explow.c (force_reg): Call force_operand if X does not
22112 satisfy general_operand.
22114 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
22116 * fix-header.c (main): When testing for CONTINUED, use string
22117 equality, not pointer equality.
22119 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
22121 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
22123 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
22125 * cse.c (cse_insn): Fix loop which deletes insns after a jump
22126 that has become an unconditional jump.
22128 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
22129 (output_function_epilogue): Similarly.
22131 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22133 * tree.h (init_dummy_function_start): Declare.
22135 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22137 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
22138 last_expr_type, last_expr_value, block_start_count, block_stack,
22139 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
22140 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
22141 dynamically in stmt elt of struct function for each function.
22142 (struct nesting): Rename function_call_count elt to n_function_calls,
22143 target_temp_slot_level to block_target_temp_slot_level. All users
22145 (struct stmt_status): New structure definition.
22146 Add many accessor macros for stmt_status elements which previously
22147 were global variables.
22148 (init_stmt_for_function): Allocate stmt elt for current_function.
22149 Reflect that block_start_count was renamed to
22150 current_block_start_count.
22151 (save_stmt_status, restore_stmt_status): Delete functions.
22152 (preserve_subexpressions_p): Don't access loop_stack when outside
22154 (expand_start_bindings): Reflect that block_start_count was renamed to
22155 current_block_start_count.
22156 (expand_fixup): Likewise.
22157 (expand_decl): Don't access block_stack when outside a function.
22158 (expand_decl_cleanup): Likewise.
22159 (expand_dcc_cleanup): Likewise.
22160 (expand_dhc_cleanup): Likewise.
22161 (expand_anon_union_decl): Likewise.
22162 (set_file_and_line_for_stmt): New function.
22163 (in_control_zone_p): New function.
22165 * function.h (struct function): Add new elt stmt.
22166 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
22167 case_stack, nesting_stack, nesting_depth, block_start_count,
22168 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
22169 emit_lineno, goto_fixup_chain.
22170 (save_eh_status, restore_eh_status, save_stmt_status,
22171 restore_stmt_status): Delete declarations.
22172 * function.c (push_function_context_to): Don't call save_stmt_status.
22173 (pop_function_context_to): Don't call restore_stmt_status.
22174 * tree.h (in_control_zone_p): Declare.
22175 * rtl.h (set_file_and_line_for_stmt): Declare.
22177 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
22178 call set_file_and_line_for_stmt.
22180 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
22182 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
22183 Also update copyright.
22185 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22187 * c-pragma.c: Don't include "except.h".
22188 * emit-rtl.c: Likewise.
22189 * stor-layout.c: Likewise.
22190 * tree.c: Likewise.
22191 * varasm.c: Likewise.
22193 * flow.c: Include "function.h".
22194 * tree.h (init_dummy_function_start): Declare new function.
22196 * except.h (struct eh_status): New structure.
22197 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
22199 (eh_return_stub_label, ehstack, catchstack, ehqueue,
22200 catch_clauses, false_label_stack, caught_return_label_stack,
22201 protect_list, current_function_ehc): Add accessor macros for the
22202 corresponding fields in current_function->eh; delete declarations
22203 for all items that used to be declared here.
22204 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
22205 catch_clauses, false_label_stack, caught_return_label_stack,
22206 protect_list, current_function_ehc): Delete variables.
22207 (init_eh_for_function): Allocate current_function->eh.
22208 (save_eh_status, restore_eh_status): Delete functions.
22210 * function.h (struct function): Add fields next_global and eh.
22211 Delete all exception handling related fields.
22212 * function.c (current_function): New variable.
22213 (all_functions): New variable.
22214 (push_function_context_to): Don't allocate a struct function,
22215 use current_function instead. Call init_dummy_function_start when
22216 outside a function. Clear current_function before returning.
22217 (pop_function_context_from): Restore current_function.
22218 Don't free the restored struct function.
22219 (prepare_function_start): New function.
22220 (init_dummy_function_start): New function.
22221 (init_function_start): Break out some code into prepare_function_start
22224 * stmt.c (save_stmt_status): Don't call save_eh_status.
22225 (restore_stmt_status): Don't call restore_eh_status.
22227 * Makefile.in: Update dependencies.
22229 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
22231 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
22232 of depending on a magic constant value. Update comments.
22233 (hppa_expand_prologue): Similarly.
22235 * pa.md (reload_indi, reload_outdi): Allow any register for the
22236 original reload register.
22238 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
22240 * cccp.c (print_help): Change marcos to macros.
22242 1999-07-30 Richard Henderson <rth@cygnus.com>
22244 * c-typeck.c (initializer_constant_valid_p): Move ...
22245 * c-common.c (initializer_constant_valid_p): ... here. Use
22246 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
22247 of label addresses.
22248 * c-common.h (initializer_constant_valid_p): Declare.
22249 * c-tree.h (initializer_constant_valid_p): Remove.
22251 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
22253 * config/i386/sol2-c1.asm: Align the stack.
22254 * config/i386/sol2-gc1.asm: Likewise.
22256 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
22258 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
22259 -Asparclite for sparc86x.
22260 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
22262 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
22264 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
22266 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
22267 the user if using the non-default arch size in BI_ARCH configuration.
22268 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
22270 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
22271 Fix patterns so that they actually match.
22272 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
22273 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
22274 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
22276 (mulsidi3): Reflect this in the expand.
22277 (smulsi3_highpart): Only on TARGET_ARCH32.
22278 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
22279 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
22280 (umulsidi3): Reflect this in the expand.
22281 (umulsi3_highpart): Only on TARGET_ARCH32.
22282 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
22283 don't require g0 to be zero.
22284 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
22285 ({,u}divsi3): New expands.
22286 ({,u}divsi3_sp64): New patterns.
22287 (after lshrdi3_v8plus): Four new patterns to help combiner
22288 optimizing nested mixed mode shifts.
22290 * config/sparc/sparc.c (sparc_override_options): Use deprecated
22291 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
22292 speed things up. Don't use them by default on plain v9 in 64bit
22293 mode, according to what SPAMv9 sais.
22295 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
22296 top 32 bits of %[og][0-7] in signal handlers.
22297 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
22299 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
22301 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
22302 (ashlsi3): Corresponding changes.
22304 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
22306 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
22308 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
22310 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22312 * arm.h (Hint): Delete macro.
22313 Substitute HOST_WIDE_INT for Hint in some prototypes.
22314 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
22316 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
22318 * builtins.c (expand_builtin_setjmp): Use force_operand to
22319 make sure that the buffer address is in a suitable form to be
22320 passed to force_reg.
22322 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
22324 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
22327 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
22329 * pa.md (indirect_jump): Remove mode from match_operand. Verify
22330 proper mode in the condition string.
22331 (icacheflush, dcacheflush): Remove modes from match_operands.
22333 * pa.c (emit_move_sequence): Always convert scratch_reg to the
22334 proper mode before using it.
22336 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
22339 * pa.c (store_reg): Do not call add_high_const generator directly.
22340 (load_reg, set_reg_plus_d): Likewise.
22341 * pa.md (add_high_const): No longer a named pattern.
22343 * pa.c (legitimize_address): Consistently use Pmode rather than
22344 SImode. Do not call gen_pic2_highpart directly anymore.
22345 * pa.md (pic2_highpart): No longer a named pattern.
22346 (pic2_lo_sum): Similarly. Reformat to make more readable.
22348 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
22353 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22355 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
22357 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
22359 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
22360 and tag the spill mems.
22361 (hppa_va_start): New.
22362 (hppa_va_arg): New.
22363 * pa.h (EXPAND_BUILTIN_VA_START): New.
22364 (EXPAND_BUILTIN_VA_ARG): New.
22366 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
22368 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
22369 and tag the spill mems.
22370 (mn10300_va_start): New.
22371 (mn10300_va_arg): New.
22372 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
22373 (EXPAND_BUILTIN_VA_ARG): New.
22375 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
22377 * mn10200.c (mn10200_va_arg): New.
22378 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
22380 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
22382 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
22383 rather than play with TREE_INT_CST_LOW.
22385 1999-07-27 Philip Blundell <pb@nexus.co.uk>
22387 * config/arm/telf.h: Include dbxelf.h.
22388 (CPP_PREDEFINES): Only define if not already defined.
22389 (ASM_IDENTIFY_GCC): Likewise.
22390 (SUBTARGET_EXTRA_SECTIONS): Likewise.
22391 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
22392 * config/arm/thumb.h (LINK_SPEC): Only define if not already
22394 (DBX_DEBUGGING_INFO): Don't define.
22395 * config/arm/linux-telf.h: New file.
22396 * config/arm/linux-tgas.h: New file.
22397 * config/arm/t-thumb-linux: New file.
22398 * config/arm/uclinux-elf.h: New file.
22399 * config/arm/uclinux-telf.h: New file.
22400 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
22401 thumb-*-uclinux): New targets.
22402 * configure: Regenerate.
22404 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
22406 * pa.md (post_store, pre_load): New expanders.
22407 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
22408 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
22409 need to directly generate RTL for them.
22410 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
22413 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
22415 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
22416 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
22417 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
22418 (secndary_reload_class): Make TARGET_ELF conditional compile.
22419 (print_operand_address): Similar.
22420 (output_toc): Print all values as hex.
22421 (get_issue_rate): Rearrange and add RS64A and PPC630.
22422 * rs6000.h (processor_type): Add RS64A and PPC630.
22423 (PROCESSOR_POWERPC64): New.
22424 (PROMOTE_MODE): Use word_mode.
22425 (RTX_COSTS): Add RS64A and PPC630.
22426 * rs6000.md (scheduling information): Add lmul and ldiv
22427 representing 64-bit integer multiply and divide. Add rs64a and
22428 PPC630 information.
22429 (ashldi3): Add support for "rldic" instruction.
22430 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
22432 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
22434 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
22435 instead of V8 for sparclite86x in cpu_table.
22437 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22439 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
22440 output_file_directive.
22442 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
22444 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
22445 tree for op1, not the rtl.
22447 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
22449 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
22450 to m88k_va_start, leaving only the register spill.
22451 (m88k_build_va_list): New.
22452 (m88k_va_start): New.
22453 (m88k_va_arg): New.
22454 * m88k.h (BUILD_VA_LIST_TYPE): New.
22455 (EXPAND_BUILTIN_VA_START): New.
22456 (EXPAND_BUILTIN_VA_ARG): New.
22458 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
22460 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
22461 Rename from expand_builtin_saveregs.
22462 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
22464 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
22466 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
22467 for the register spill block.
22468 (i960_build_va_list): New.
22469 (i960_va_start): New.
22470 (i960_va_arg): New.
22471 * i960.h (BUILD_VA_LIST_TYPE): New.
22472 (EXPAND_BUILTIN_VA_START): New.
22473 (EXPAND_BUILTIN_VA_ARG): New.
22474 * i960.md (store_multiple): Use change_address on individul mems.
22476 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
22478 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
22480 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
22481 (expand_builtin_va_end): Evaluate arg for side effects.
22482 * c-common.c (c_common_nodes_and_builtins): Construct a
22483 va_list_arg_type_node to handle array decomposition to pointer.
22485 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
22487 * except.c (st_dynamic_cleanup): Use force_operand on the
22490 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
22492 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
22493 * c4x.c (c4x_va_arg): New.
22495 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
22497 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
22498 has manual_pop set.
22500 1999-07-26 Nathan Sidwell <nathan@acm.org>
22502 * eh-common.h (__eh_matcher): Prototype correctly.
22504 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
22506 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
22507 (TARGET_SINGLE_PIC_BASE): Likewise.
22508 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
22510 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
22511 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
22512 (TARGET_OPTIONS): Add -mpic-register=N.
22513 (OUTPUT_INT_ADDR_CONST): New macro.
22514 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
22515 LEGITIMATE_PIC_OPERAND_P): Likewise.
22516 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
22517 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
22518 output_addr_const directly.
22519 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
22521 (thumb_pic_register, thumb_pic_register_string): Declare.
22523 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
22525 (label_mentioned_p): New function: Imported from arm.c.
22526 (legitimize_pic_address): New function: Imported from arm.c.
22527 (is_pic):New function: Imported from arm.c.
22528 (thumb_finalize_pic):New function: Imported from arm.c.
22529 (add_constant): Cope with PIC constants.
22530 (fixit): Cope with PIC constants.
22531 (output_return): Do not treat the PIC register as live if
22532 TARGET_SINGLE_PIC_BASE is true.
22533 (thumb_function_prologue): Do not treat the PIC register as live if
22534 TARGET_SINGLE_PIC_BASE is true.
22535 (thumb_expand_prologue): Do not treat the PIC register as live if
22536 TARGET_SINGLE_PIC_BASE is true.
22537 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
22538 TARGET_SINGLE_PIC_BASE is true.
22539 (thumb_print_operand): Accept '|'.
22540 (thumb_override_options): Process PIC options.
22542 * config/arm/thumb.md (movsi): Support PIC.
22543 (call_insn): Change "i" constraint to "X".
22544 (call_value_insn): Likewise.
22545 (consttable_4, consttable_8, consttable_end): Set and clear
22546 "making_const_table" as appropriate.
22547 (pic_load_addr, pic_add_dot_plus_four): New insns.
22549 * invoke.texi (Thumb Options): Fix spelling. Document new
22550 options -msingle-pic-base and -mpic-register=.
22552 1999-07-26 Andrew Haley <aph@cygnus.com>
22554 * config/m32r/initfini.c (__init): Use a full word immediate for
22555 __fini: this allows it to be placed in any memory region.
22557 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
22558 -mmodel=medium. This is OK for all memory models.
22560 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
22562 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
22563 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
22565 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
22567 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
22570 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
22572 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
22574 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
22575 (BUILD_VA_LIST_TYPE): New.
22576 (EXPAND_BUILTIN_VA_START): New.
22577 (EXPAND_BUILTIN_VA_ARG): New.
22578 * i860.c (output_delayed_branch): Disable.
22579 (output_delay_insn): Likewise.
22580 (i860_saveregs): New.
22581 (i860_build_va_list): New.
22582 (i860_va_start): New.
22583 (i860_va_arg): New.
22584 * i860.md: Disable all peepholes using output_delayed_branch.
22585 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
22587 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
22589 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
22590 (BUILD_VA_LIST_TYPE): New.
22591 (EXPAND_BUILTIN_VA_START): New.
22592 (EXPAND_BUILTIN_VA_ARG): New.
22593 * clipper.c (clipper_builtin_saveregs): Only dump registers.
22594 Return the address of the save area.
22595 (clipper_build_va_list): New.
22596 (clipper_va_start): New.
22597 (clipper_va_arg): New.
22599 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
22601 * arc.h (EXPAND_BUILTIN_VA_START): New.
22602 (EXPAND_BUILTIN_VA_ARG): New.
22603 * arc.c (arc_setup_incoming_varargs): Set alias set of
22605 (arc_va_start): New.
22608 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
22610 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
22611 (BUILD_VA_LIST_TYPE): New.
22612 (EXPAND_BUILTIN_VA_START): New.
22613 (EXPAND_BUILTIN_VA_ARG): New.
22614 * alpha.c (alpha_builtin_saveregs): Delete.
22615 (alpha_build_va_list): New.
22616 (alpha_va_start): New.
22617 (alpha_va_arg): New.
22619 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
22621 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
22623 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
22624 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
22626 * gcc.texi: More changes related to list conversion.
22627 * invoke.texi: Likewise.
22629 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
22631 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
22632 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
22633 (expand_builtin_next_arg): Accept ARGLIST not EXP.
22634 (stabilize_va_list): New function.
22635 (std_expand_builtin_va_start): New function.
22636 (expand_builtin_va_start): New function.
22637 (get_varargs_alias_set): New function.
22638 (std_expand_builtin_va_arg): New function.
22639 (expand_builtin_va_arg): New function.
22640 (expand_builtin_va_end): New function.
22641 (expand_builtin_va_copy): New function.
22642 (expand_builtin): Call them.
22643 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
22644 __builtin_{varargs_start,stdarg_start,end,copy}.
22645 (build_va_arg): New function.
22646 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
22647 (build_va_arg): Declare.
22648 * c-decl.c (ptr_type_node, va_list_type_node): New.
22649 * c-parse.gperf (__builtin_va_arg): New.
22650 * c-parse.in (VA_ARG): New token.
22651 (unary_expr): Recognize it.
22652 * expr.c (expand_expr): Expand VA_ARG_EXPR.
22653 * expr.h (std_expand_builtin_va_start): Declare.
22654 (std_expand_builtin_va_arg): Declare.
22655 (expand_builtin_va_arg): Declare.
22656 (get_varargs_alias_set): Declare.
22657 * tree.def (VA_ARG_EXPR): New.
22658 * tree.h (BUILT_IN_VARARGS_START): New.
22659 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
22660 (ptr_type_node, va_list_type_node): Declare.
22661 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
22662 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
22663 * m88k.h, m88k.c: Likewise.
22664 * mn10300.h, mn10300.c: Likewise.
22665 * pa.h, pa.c: Likewise.
22666 * rs6000.h, rs6000.c: Likewise.
22667 * sh.h, sh.c: Likewise.
22668 * sparc.h, sparc.c: Likewise.
22670 * emit-rtl.c (operand_subword): Copy alias set.
22671 (change_address): Likewise.
22673 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
22675 * pa.c (compute_frame_size): Scan all the used callee saved registers,
22676 not just the first one.
22678 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
22680 * config/arm/arm.h (TARGET_SWITCHES): Add
22681 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
22682 (TARGET_OPTIONS): Add -mpic-register=.
22683 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
22684 (arm_pic_register_string): Declare.
22685 (NEED_PLT_GOT): Delete, replace with ...
22686 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
22687 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
22688 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
22689 * config/arm/arm.c (arm_override_options): Add new option
22691 (arm_pic_register_string): New variable.
22692 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
22693 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
22694 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
22695 (output_return_instruction): Likewise.
22696 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
22697 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
22698 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
22700 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
22701 mention of -msched-prolog. Document new options -msingle-pic-base
22702 and -mpic-register=.
22704 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
22706 * haifa-sched.c (reemit_notes): Tidy.
22707 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
22710 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
22712 * explow.c (trunc_int_for_mode): New function.
22713 (plus_constant_wide): Use it.
22714 * combine.c (simplify_and_const_int): Likewise.
22715 (merge_outer_ops): Likewise.
22716 (simplify_shift_const): Likewise.
22717 * cse.c (simplify_unary_operation): Likewise.
22718 (simplify_binary_operation): Likewise.
22719 * emit-rtl.c (operand_subword): Likewise.
22720 * rtl.h: Declare it.
22722 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22724 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
22725 (use NUM_REGS instead of NUM_INTS).
22727 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22729 * builtins.c: New file.
22730 * expr.c (saveregs_value, apply_args_value): Delete definition,
22731 moved into builtins.c.
22732 (string_constant): No longer static.
22733 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
22734 apply_args_size, apply_result_size, result_vector,
22735 expand_builtin_apply_args, expand_builtin_apply,
22736 expand_builtin_return): Delete functions, moved into builtins.c.
22737 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
22738 * expr.h (saveregs_value, apply_args_value): Declare variables.
22739 (expand_builtin, string_constant): Declare functions.
22740 * Makefile.in: Update to build builtin.o.
22742 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
22744 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
22745 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
22746 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
22747 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
22749 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
22752 1999-07-21 Michael Meissner <meissner@cygnus.com>
22754 * print-rtl.c (print_rtx): Print the names of the virtual
22757 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
22759 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
22760 introduced in previous delta.
22762 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22764 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
22765 to avoid name clash.
22767 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22769 * c-lex.c (yylex) : Correct the test for overflow when lexing
22772 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
22774 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
22775 (adjust_priority): Always call ADJUST_PRIORITY.
22776 (schedule_insn): Only put insns into the ready at cost 0.
22777 (schedule_block): Remove redundant initial sort. Give clock_var
22778 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
22780 * tm.texi (MD_SCHED_REORDER): Update docs.
22782 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
22783 * sparc.c (ultra_reorder_called_this_block): Delete.
22784 (ultrasparc_sched_init): Don't set it.
22785 (ultrasparc_sched_reorder): Don't check it.
22787 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
22789 * rs6000.h (struct rs6000_args): Add sysv_gregno.
22790 * rs6000.c (init_cumulative_args): Init sysv_gregno.
22791 (function_arg_boundary): Align DFmode.
22792 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
22793 to get fp reg and stack overflow correct.
22794 (function_arg): Likewise.
22795 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
22796 (setup_incoming_varargs): Restructure for ABI_V4; use
22797 function_arg_advance to skip final named argument.
22798 (expand_builtin_saveregs): Properly unskip the last integer arg
22799 when doing varargs. Adjust overflow location calculation.
22801 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
22802 explicitly unsigned.
22803 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
22804 (__VA_GP_REGSAVE): Similarly.
22805 (__va_longlong_p): Delete.
22806 (__va_arg_type_violation): New declaration.
22807 (va_arg): Restructure. Flag promotion errors. Align double.
22808 TFmode passed by reference.
22810 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
22811 in the HOST_BITS_PER_WIDE_INT > 32 case.
22813 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
22815 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
22817 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
22819 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
22820 * toplev.c (documented_lang_options): Add -fpreprocessed.
22821 * cpplib.h (struct cpp_buffer): Add preprocessed.
22822 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
22823 (cpp_start_read): Don't expand macros or emit an initial #line
22824 directive if -fpreprocessed.
22826 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22828 * cpplib.h (struct cpp_buffer): Added manual_pop for
22829 better C++ tokenization.
22830 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
22831 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
22832 * c-common.c (cpp_token): Make non-static.
22834 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22836 * c-common.h: New file.
22837 * c-common.c (permanent_obstack): Delete unused declaration.
22838 (c_global_trees): New array.
22839 (c_common_nodes_and_builtins): New function; split off common code
22840 from init_decl_processing in both c-decl.c and cp/decl.c.
22841 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
22842 c_global_trees and accessor macros defined in c-common.h.
22843 Include c-common.h.
22844 * c-decl.c: Delete definitions for tree nodes that were replaced by
22846 (init_decl_processing): Build void_list_node.
22847 Call c_common_nodes_and_builtins; delete code to generate the common
22849 * objc/objc-act.c (build_module_descriptor): Rename variable
22850 void_list_node to avoid clash with c-common.h.
22852 * Makefile.in: Update dependencies.
22853 * objc/Make-lang.in: Likewise.
22855 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
22857 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
22858 (UNIQUE_SECTION_P): Likewise.
22859 (UNIQUE_SECTION): Likewise.
22861 1999-07-19 Linas Vepstas <linas@linas.org>
22863 * config/i370/README: New file.
22864 * config/i370/linux.h: New file.
22865 * config/i370/mvs.h: New file.
22866 * config/i370/oe.h: New file.
22867 * config/i370/t-linux: New file.
22868 * config/i370/t-mvs: New file.
22869 * config/i370/t-oe: New file.
22870 * config/i370/x-oe: New file.
22871 * config/i370/xm-linux.h: New file.
22872 * config/i370/xm-mvs.h: New file.
22873 * config/i370/xm-oe.h: New file.
22875 * i370.c (label_node_t): Add first_ref_page, label_addr,
22876 label_first_ref, label_last_ref members.
22877 (mvs_need_base_reload): Renamed from mvs_label_emitted.
22878 (MAX_MVS_LABEL_SIZE): Define.
22879 (MAX_LONG_LABEL_SIZE): Define.
22880 (alias_node_t, alias_anchor, alias_number): New.
22881 (mvs_function_table): Reorder for EBCDIC.
22882 (ascebc, ebcasc): Unconditionally define.
22883 (i370_branch_dest, i370_branch_length): New functions.
22884 (i370_short_branch, i370_label_scan): New functions.
22885 (mvs_get_label): Renamed from mvs_add_label. Search for
22886 an existing label before creating a new one.
22887 (mvs_add_label): New function.
22888 (mvs_get_label_page): New function.
22889 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
22890 over the entire list.
22891 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
22892 (mvs_check_page) [TARGET_ELF_ABI]: New function.
22893 (mvs_add_alias, mvs_need_alias): New functions.
22894 (mvs_get_alias, mvs_check_alias): New functions.
22895 (handle_pragma): New function.
22896 (mvs_function_check): New function.
22897 (unsigned_jump_follows_p): Search harder.
22898 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
22899 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
22900 * i370.h (TARGET_VERSION): Delete.
22901 (CPP_SPEC, CPP_PREDEFINES): Delete.
22902 (mvs_label_emitted): Delete.
22903 (TARGET_EBCDIC): Delete.
22904 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
22905 (HANDLE_PRAGMA): Define.
22906 (HARD_REGNO_NREGS): Handle complex modes.
22907 (HARD_REGNO_MODE_OK): Likewise.
22908 (CLASS_MAX_NREGS): Likewise.
22909 (RET_REG): Likewise.
22910 (EXTRA_CONSTRAINT): Define.
22911 (RETURN_IN_MEMORY): True for DImode.
22912 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
22913 (FUNCTION_PROFILER): Delete.
22914 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
22915 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
22916 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
22917 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
22918 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
22919 (ASM_FILE_START): Add "RMODE ANY".
22920 (ASM_OUTPUT_EXTERNAL): Check for aliases.
22921 (ASM_GLOBALIZE_LABEL): Likewise.
22922 (ASM_OUTPUT_LABELREF): Likewise.
22923 (ASM_OUTPUT_COMMON): Likewise.
22924 (PRINT_OPERAND): Handle 'K', 'W', default.
22925 (PRINT_OPERAND_ADDRESS): New.
22926 (Lots of defines): Add support for TARGET_ELF_ABI.
22927 * i370.md (attr length): New. Define for all patterns.
22928 (*): Lots of tweeks to assembly output and constraints.
22930 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
22932 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
22933 Disable patterns performing SImode comparisons with SImode values
22934 if TARGET_POWERPC64 and instruction does not sign-extend or does
22935 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
22936 differ for signed quantities.
22937 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
22938 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
22939 (decrement_and_branch_on_count): Add 64-bit variant.
22941 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22943 * final.c (output_asm_insn): When searching for the matching string
22944 for a given dialect, don't run past the end of the list of
22945 alternatives if there are fewer alternatives in the template than
22948 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
22950 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
22951 Removed paragraph about compression of files and size limitation,
22952 duplicated in the FAQ. Use gcc-patches for posting patches.
22953 * gcc.c (main): Updated URL with bug reporting instructions to
22954 gcc.gnu.org. Removed e-mail address.
22955 * system.h (abort): Likewise.
22957 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22959 * Makefile.in (stmp-multilib-sub): Make the files extracted
22960 from $(LIBGCC1) writable.
22962 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
22964 * config/arm/aout.h: Reformat for improved readability.
22966 * config/arm/arm.h: Reformat for improved readability.
22967 Replace uses of fprintf with asm_fprintf where appropriate.
22968 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
22969 function declaration assembler actions.
22970 (NUM_INTS): New macro: Convert from bytes to words.
22971 (NUM_REGS): New macro: Compute number of registers required to
22972 hold a quanitity of tyep MODE.
22973 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
22975 (NUM_ARG_REGS): New macro: The number of argument registers
22977 (ARG_REGISTER): New macro: Compute the register number of the Nth
22979 (LAST_ARG_REGNUM): New macro: The number of the last argument
22981 (SP_REGNUM): New macro: Register number of the stack pointer.
22982 (FP_REGNUM): New macro: Register number of the frame pointer.
22983 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
22984 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
22985 CUMULATIVE_ARGS so that it counts registers not bytes.
22987 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
22989 Replace uses of fprintf with asm_fprintf where appropriate.
22990 (output_ascii_pseudo_op): Replace with version from thumb.c
22992 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
22994 * config/arm/elf.h (CPP_PREDEFINES): Replace with
22995 SUBTARGET_CPP_SPEC.
22996 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
22997 (ASM_FILE_START): Emit ASM_APP_OFF.
22999 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
23001 * pa.c (compute_frame_size): Round frame according to
23002 STACK_BOUNDARY rather than a hardwired value.
23004 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
23006 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
23008 * configure: Rebuilt.
23010 * configure.in (hppa*-*-linux*): New configuration.
23011 * configure: Rebuilt.
23012 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
23013 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
23014 * pa/pa-linux.h: New file.
23015 * pa/t-linux: New file.
23016 * pa/xm-linux.h: New file.
23018 * pa.c (hppa_legitimize_address): Change references from SImode to
23019 either Pmode or word_mode as appropriate.
23020 (emit_move_sequence, store_reg, load_reg): Likewise.
23021 (set_reg_plus_d, hppa_expand_prologue): Likewise.
23022 (output_mul_insn): Likewise.
23023 * pa.h (PROMOTE_MODE): Likewise.
23024 (INITIALZE_TRAMPOLINE): Likewise.
23025 (Pmode): Define to word_mode.
23027 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
23028 value of 4. Allocate 8 bytes for each FP register save.
23029 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
23031 (hppa_expand_prologue): Likewise.
23032 * pa.h (PROMOTE_MODE): Likewise.
23033 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
23034 (FUNCTION_ARG_BOUNDARY): Likewise.
23036 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
23038 * pa.c (out_of_line_prologue_epilogue): Delete.
23039 (override_options): Remove -mspace related code.
23040 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
23041 (compute_frame_size): Only allocate space for register that
23042 actually need to be saved.
23043 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
23044 (TARGET_SWITCHES): Remove -mspace, -mno-space
23045 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
23046 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
23047 * pa/ee.asm, pa/ee_fp.asm: Delete.
23049 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
23051 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
23052 directive in column zero.
23054 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
23056 * m68k.c (output_function_prologue): Fix computation of save mask
23057 when generating PIC code.
23059 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
23061 * tree.c (build_type_attribute_variant): Move current_obstack restore
23062 after build_qualified_type call.
23064 1999-07-15 Mark Mitchell <mark@codesourcery.com>
23066 * configure.in: Use t-iris6, even with GNU LD.
23067 * config/mips/iris6gld.h: Fix typo in linker spec.
23068 * config/mips/t-iris6gld: Remove.
23070 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
23072 * rs6000.md (insv, extzv): Remove SImode dependence in named
23073 patterns. Explicitly generate DImode RTL if PowerPC64 and
23075 (insvdi): Reverse start and size in instruction template.
23077 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
23079 * invoke.texi: Typo fixes.
23081 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
23083 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
23084 handle at this time instead of silently generating incorrect code.
23085 (gen_imagpart): Likewise.
23087 * reload.c (find_reloads): Emit a USE for a pseudo register without
23088 a hard register if we could not create an optional reload for the
23091 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23093 * c-typeck.c (output_init_element, process_init_element):
23094 When advancing constructor_unfilled_fields for a RECORD_TYPE,
23095 check for nameless bit fields.
23097 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
23099 * regclass.c (scan_one_insn): Notice subregs that change the
23100 size of their operand.
23101 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
23103 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
23105 * configure.in (alpha*-*-*): Include alpha/t-ieee.
23106 * configure: Rebuilt.
23107 * alpha/t-ieee: New file.
23109 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
23111 * rs6000.c (find_addr_reg): Do not select r0 as an address
23114 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
23116 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
23118 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
23120 * rs6000.md (movsf): Do not force easy FP constants into memory.
23122 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
23123 immed_double_const to ensure they are properly truncated then
23126 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23128 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
23129 always unless NO_DEBUG is used. Compile this code
23131 (replace_symbols_in_block): Compile it unconditionally.
23133 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
23135 * configure.in (i?86-*-elf*): New target.
23136 * configure: Rebuilt.
23137 * i386/i386elf.h, i386/t-i386elf: New files.
23139 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23141 * toplev.c (main): Don't complain about saying -gdwarf.
23142 (rest_of_compilation): Remove redundant code.
23144 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
23146 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
23148 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
23150 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
23151 "Li960R:", to avoid name clash.
23153 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23155 * loop.c (check_dbra_loop): When reversing a loop, delete all
23156 REG_EQUAL notes referencing the reversed biv except those which are
23157 for a giv based on it.
23159 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
23161 * version.c: Drop "gcc-" prefix from version #.
23163 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
23165 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
23166 the label if we're being verbose.
23168 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
23170 * m68k.c (output_function_prologue): Add pic register to mask
23171 if live and flag_pic.
23172 (output_function_epilogue): Likewise.
23174 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
23176 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
23177 directives in column zero.
23179 * pa/elf.h (ASM_FILE_START): Define.
23180 * pa/som.h (ASM_FILE_START): Include .level directives.
23181 * pa/hpux10.h (ASM_FILE_START): Delete.
23182 * pa/hpux11.h (ASM_FILE_START): Delete.
23184 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
23186 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23188 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
23189 when reload_out equals reload_in.
23191 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
23193 * invoke.texi (Spec Files): New node: Describe the contents of
23196 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
23198 * invoke.texi (DEC Alpha Options): Put @end table at
23199 beginning of line, to avoid confusing texi2html.
23201 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
23203 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
23204 introduced in previous delta.
23206 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23208 * reload1.c (gen_reload): When synthesizing a 3 operand add
23209 sequence, improve test for when to reload OP1 into the reload
23210 register instead of OP0.
23212 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
23214 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
23216 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
23218 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
23221 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
23223 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
23224 (va_dcl): Use __builtin_va_alist_t.
23226 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
23228 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
23229 on the permanent_obstack.
23230 * dwarfout.c (output_type): Likewise.
23232 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
23234 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23235 Merged from c-typeck.c and cp/typeck.c.
23236 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23237 Merged into c-common.
23239 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
23241 * c-lex.c (errorcount): Declare it.
23242 (finish_parse): Update errorcount when using CPPLIB.
23244 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
23246 * fixinc/inclhack.def(end_else_label): Double the backslash so
23247 sed gets a chance to see it.
23248 * fixinc/inclhack.sh: regen
23249 * fixinc/fixincl.x: regen
23251 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
23253 Add framework to support armv5 architecture when it becomes
23256 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
23257 (arm_arch5): New variable.
23258 (all_architectures): Add armv5 line.
23259 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
23260 -march=armv5 is specified on the command line.
23261 (arm_arch5): Export this variable.
23262 * invoke.texi: Document new string accepted by -march= switch for
23265 * config/arm/arm.h: Replace use of constant 12 as a register
23266 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23267 * config/arm/arm.c: Replace use of constant 12 as a register
23268 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23270 * config/arm/elf.h: Tidy up.
23271 * config/arm/coff.h: Tidy up.
23273 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
23275 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
23276 * gcc/config/mips/t-iris6gld: New file.
23277 * gcc/config/mips/iris6gld.h: Likewise.
23279 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
23281 * c-decl.c (widest_integer_literal_type_node,
23282 widest_unsigned_literal_type) : New.
23283 (init_decl_processing): Handle/use the two new types.
23284 * c-common.c (type_for_size,type_for_mode) : Same.
23285 * c-lex.c (yylex) : Same.
23286 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23288 * c-tree.h (widest_integer_literal_type_node,
23289 widest_unsigned_literal_type) : New.
23291 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
23293 * dwarfout.c (field_byte_offset): Correctly compute the object's
23294 byte offset for the first bit of a field which crosses an alignment
23295 boundary on a !BYTES_BIG_ENDIAN target.
23297 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
23299 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
23302 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
23303 Jeff Law <law@cygnus.com>
23305 * ginclude/varargs.h (va_dcl): Use word_mode for type of
23308 * except.c: Include intl.h.
23309 (expand_eh_return): Set current_function_cannot_inline.
23310 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
23311 * function.h (struct function): Add eh_return_stub_label.
23312 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
23313 * Makefile.in (except.o): Depend on intl.h.
23315 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
23317 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
23318 same as offsettable in cases 1 and 2.
23320 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
23322 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
23323 (extlh, extwh): Likewise.
23325 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
23327 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
23329 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
23331 * configure.in: Add arm-pe and thumb-pe targets.
23332 * configure: Regenerate.
23334 * thumb.c (arm_naked_function_p): New function: Determines if
23335 a function is naked (has no gcc generated prologue/epilogue).
23336 (is_called_in_ARM_mode): Return true if the func has the
23337 interfacearm attribute.
23338 (output_return): Do not generate a return for naked functions.
23339 (thumb_function_prologue): Do not generate a prologue for
23341 (thumb_expand_prologue): Do not generate a prologue for naked
23343 (thumb_expand_epilogue): Do not generate an epilogue for naked
23345 (arm_valid_machine_decl_attribute): New function, copied from
23346 arm.c: Permit naked and interfacearm attributes.
23348 * config/arm/pe.c: New file: Support code for arm-pe target.
23349 * config/arm/pe.h: New file: Header file for arm-pe target.
23350 * config/arm/tpe.h: New file: Header file for thumb-pe target.
23351 * config/arm/t-thumb-pe: New file: Makefile fragment for
23354 1999-07-01 Mark Kettenis <kettenis@gnu.org>
23356 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
23357 -fPIC or -fpic is specified.
23359 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
23361 * expr.c (emit_block_move): Use copy_to_mode_reg for
23362 !TARGET_MEM_FUNCTIONS case too.
23364 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
23366 * configure: Rebuilt.
23367 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
23368 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
23369 definitions made redundant by dbxelf.h inclusion. Delete
23370 lots of definitions related to assembly output that are
23371 specific to the SOM object format.
23372 * pa.c (output_function_prologue): Do not emit the function's
23374 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
23375 * pa-pro.h: Deleted.
23376 * som.h: New file with SOM specific definitions.
23377 * elf.h: New file with ELF specific definitions.
23379 * elfos.h (const_section): Output a tab before assembler directives.
23380 (ctors_section, dtors_section): Likewise.
23381 (ASM_OUTPUT_SECTION_NAME): Likewise.
23383 * pa/pa1.h: Delete unused file.
23385 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
23387 * configure.in (hppa*-hp-hpux11*): New configuration.
23388 * configure: Rebuilt.
23389 * pa/pa-hpux11.h: New file.
23390 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
23393 * mips.md (leasi, leadi): New patterns.
23395 * expr.c (emit_block_move): Properly handle case where one of the
23396 block move arguments has a queued increment or decrement.
23397 (clear_storage): Similarly. Fix formatting goof.
23399 1999-06-28 "David O'Brien" <obrien@NUXI.com>
23401 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
23402 semicolon from the BSD VA_LIST replacement expression.
23404 * fixinc/inclhack.sh: regen
23405 * fixinc/fixincl.x: regen
23407 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
23408 now use the fixincl program.
23410 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
23412 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
23413 case. Also make the PIC register call_used.
23415 * m68k.h (FINALIZE_PIC): Delete.
23416 * m68k.c (finalize_pic): Delete.
23418 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
23420 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
23423 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
23425 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
23427 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
23429 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
23431 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
23433 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
23435 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
23437 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
23439 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
23441 * rs6000.c (output_toc): Always use hex values for floating-point
23442 constants. Store single-precision values in upper-half of TOC
23443 entry in 64-bit mode.
23444 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
23445 to final constraints.
23446 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
23447 (fctiwz): Improve accuracy of RTL for pattern.
23449 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
23451 * expr.c (expand_expr): Allow RTL_EXPR's through the
23452 MAX_INTEGER_COMPUTATION_MODE checks.
23454 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
23456 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
23457 such that MASK_SUPPORT_ARCH is not negative.
23459 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
23461 * loop.c (verify_dominator): Properly handle ADDR_VEC and
23462 ADDR_DIFF_VEC insns that appear inside loops.
23464 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
23465 Jeff Law <law@cygnus.com>
23467 * rs6000.md (movdf_hardfloat32): Revert previous patch.
23468 Handle LO_SUM the same as offsettable in cases 1 and 2.
23469 * rs6000.c (find_addr_reg): Revert previous patch.
23471 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
23473 * system.h (strstr): New external function declaration.
23474 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
23475 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
23476 * config.in, configure: Rebuilt.
23478 1999-06-24 Tom Tromey <tromey@cygnus.com>
23480 * gcc.c (main): Read user-specified specs files after computing
23481 additional startfile_prefixes.
23483 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
23485 Revert these two patches:
23487 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23488 * loop.c (strength_reduce): When doing biv->giv conversion, update
23489 reg note of NEXT->insn.
23491 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23492 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23494 (recombine_givs): Set ix field after sorting.
23496 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23498 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
23499 for the parts of an UNSPEC / UNSPEC_VOLATILE.
23501 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
23503 *fixinc/inclhack.def: Add fix development commentary
23504 (read_ret_type): reactivate and add selection clause
23505 (zzz_*): tweak output file name to match what is used in hackshell.tpl
23506 *fixinc/{fixincl.x|inclhack.sh}: regen
23508 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
23510 * expr.c (expand_expr): STRIP_NOPS before checking against
23511 MAX_INTEGER_COMPUTATION_MODE
23512 (check_max_integer_computation_mode): Likewise.
23514 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
23516 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
23518 1999-06-22 Jim Wilson <wilson@cygnus.com>
23520 * expr.c (store_expr): When target is a promoted subreg, return a
23521 promoted subreg as a result.
23523 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
23525 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
23527 (dwarf2out_define): Mark unused parameters appropriately.
23528 (gen_unspecified_parameters_die): Ditto.
23529 (gen_subprogram_die): Fix signed/unsigned warnings.
23530 (gen_variable_die): Ditto.
23532 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
23534 * fixinc/inclhack.def(end_else_label): combined else_label
23535 and endif_label and fixed the sed expression.
23536 *fixinc/{fixincl.x|inclhack.sh}: regen
23538 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
23540 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
23541 'x' when handling non-offsettable addresses
23543 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
23545 * final.c (shorten_branches): Don't try to split an insn that has
23548 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
23550 * config/mips/mips.c (symbolic_expression_p): New function.
23551 (mips_select_rtx_section): Put symbolic expressions in the
23552 data section, not the read-only data section.
23554 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
23556 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
23558 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
23560 * collect2.c (main): Log frame table count.
23561 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
23562 (scan_prog_file) [COFF]: Handle frame tables.
23564 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
23565 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
23566 * alpha/elf.h: Undef them again.
23567 * alpha/vms.h: Remove their definitions.
23569 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23571 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
23572 remove the clobber of r0 and change the REG_UNUSED note to
23575 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
23577 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
23578 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
23579 fits in HOST_WIDE_INT and one uses union to access a long constant
23582 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
23584 * sparc.c (sparc_override_options): Don't allow profiling for
23585 code models other than medlow.
23586 (sparc_function_profiler): New function from old FUNCTION_PROFILER
23587 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
23588 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
23589 (sparc_block_profiler): Likewise.
23590 (sparc_function_block_profiler_exit): Likewise.
23591 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
23592 (FUNCTION_BLOCK_PROFILER): Likewise.
23593 (BLOCK_PROFILER): Likewise.
23594 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
23595 (MCOUNT_FUNCTION): New.
23596 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
23597 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
23598 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
23599 (MCOUNT_FUNCTION): New.
23600 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
23601 (BLOCK_PROFILER): Delete.
23602 (MCOUNT_FUNCTION): New.
23604 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
23606 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
23608 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23610 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23613 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23616 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23619 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23622 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
23624 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
23627 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
23629 * i386/djgpp.h (LIB_SPEC): New.
23630 (STARTFILE_SPEC): New.
23632 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
23634 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
23636 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
23639 * system.h (WSTOPSIG): New macro.
23641 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
23643 * c-pragma.c (push_alignment): Don't ignore alignments greater than
23645 (insert_pack_attributes): Take into account member natural
23648 * i386/winnt.c (exports_head): New static variable.
23649 (i386_pe_record_exported_symbol): New function.
23650 (i386_pe_asm_file_end): Use.
23651 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
23652 symbols to be emitted at end of assembly.
23653 (ASM_DECLARE_OBJECT_NAME): Likewise.
23654 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23656 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
23659 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
23661 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
23664 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
23666 * haifa-sched.c (sched_analyze_1): Use free_list instead of
23667 zapping reg_last_uses directly.
23668 (sched_analyze_2, sched_analyze_insn): Likewise.
23669 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
23671 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
23673 * rs6000.md (movdf_hardfloat32): Use worst case insn length
23674 attributes for cases 1 and 2.
23676 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
23678 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
23681 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
23683 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
23685 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
23687 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
23688 PIC_OFFSET_TABLE_REGNUM for general alloaction.
23689 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
23690 must be stacked if it is used for PIC accesses.
23691 * arm.c (use_return_insn): Handle PIC register specially.
23692 (output_return_instruction): Likewise.
23693 (output_func_{prologue,epilogue}): Likewise.
23694 (output_expand_prologue): Likewise.
23696 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
23697 (*strsi_predec): Renamed from *strqi_predec.
23698 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
23699 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
23701 * arm.c (arm_override_options): Remove warning about PIC code
23702 not being supported.
23704 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
23706 * rs6000.c (find_addr_reg): New function.
23707 * rs6000.h (find_addr_reg): Declare.
23708 (offsettable_addr_operand): Delete.
23709 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
23710 from and stores to GPRs.
23712 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
23714 * alpha.c (alpha_expand_block_move): Use get_insns rather than
23715 gen_sequence as argument to emit_no_conflict_block.
23717 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23719 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
23720 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
23721 *fixinc/fixincl.x: regen
23722 *fixinc/inclhack.sh: regen
23724 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
23726 * added support for -mpcrel (PC relative addressing for m68k)
23727 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
23728 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
23729 * m68k.c (print_operand_address): Handle 32-bit PIC case.
23730 (comments for general_src_operand): Add some explanation
23731 about EXTRA_CONSTRAINTS.
23732 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
23733 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
23734 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
23735 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
23736 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
23737 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
23738 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
23739 if not already set.
23740 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
23741 * m68k.h (TARGET_PCREL): New target flag.
23742 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
23743 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
23744 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
23745 contains a SYMBOL_REF. Relax this constraint during reload, since
23746 we want to use the predicates, not reload's built-in concept of a
23747 valid memory address, to control what insns need reloading.
23748 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
23749 operands (essentially 'g', 'm', and 's' under normal circumstances).
23750 * m68k.c (print_operand): Cause printing of pc-relative addresses
23751 to include pc register.
23752 (print_operand_address): Ditto.
23753 (general_src_operand): Accept operands that are not only
23754 general_operands, but are also valid when used as a pc-relative
23756 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
23757 (memory_src_operand): Similar, for memory_operands.
23758 (pcrel_address): New predicate to accept the special case of a
23759 pc-relative address.
23760 * m68k.md (many patterns): Rewrite common SImode, HImode, and
23761 QImode insns to accept *_src_operand instead of *_operand where
23762 pc-relative operands can fit. For example, a pc-relative operand
23763 can be used as a memory source operand for addsi3, but not as a
23764 memory destination.
23765 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
23767 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
23769 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
23770 .thumb_set pseudo op to mark aliases of thumb functions.
23772 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
23774 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
23775 preference to ASM_OUTPUT_DEF, if it is defined.
23777 * tm.texi: Document new, optional target macro
23778 ASM_OUTPUT_DEF_FROM_DECLS.
23780 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23782 * fixincludes: ISCNTL patch
23783 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
23784 (dgux_int_varargs): new for DG/UX
23785 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
23787 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
23789 * invoke.texi (ia32 options): Fix typo.
23791 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23793 * loop.c (strength_reduce): When doing biv->giv conversion, update
23794 reg note of NEXT->insn.
23796 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
23798 * loop.c (move_movables): Note issues with replacing REGs with
23800 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
23802 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
23804 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
23806 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
23807 the reference to `mcount' was not correct for the ELF on FreeBSD.
23809 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23811 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23814 (recombine_givs): Set ix field after sorting.
23816 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
23818 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
23819 to safe to extract a subword out of a REG.
23821 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23823 * sh.md (mulsi3): Don't add a no-op move at the end.
23825 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23827 * cse.c (cse_insn): Don't put hard register source into tables for
23828 the last insn of a libcall.
23830 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23832 * loop.c (strength_reduce): Insert sets of derived givs at every
23833 biv increment, even if it's the only one.
23835 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
23837 * dwarfout.c (add_incomplete_type): New fn.
23838 (output_type): Call it.
23839 (retry_incomplete_types): New fn.
23840 (dwarfout_finish): Call it.
23842 From Eric Raskin <ehr@listworks.com>:
23843 (output_type): Output types for bases.
23845 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23847 * mips.c (mips_output_conditional_branch): Add `break'
23848 between `default' label and `close braces'.
23850 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
23852 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
23853 specifications and make it realistic.
23854 (LIB_SPEC): Likewise.
23856 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
23858 * config/mips/mips.c (mips_secondary_reload_class): Check for
23859 (PLUS (SP) (REG)) and return appropriate register class.
23860 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
23861 Handle (PLUS (SP) (REG)).
23862 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
23863 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
23864 of emit_insn for tablejump.
23866 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
23868 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
23869 asm_fprintf format string by itself.
23870 (output_function_profiler): Likewise.
23872 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
23874 * combine.c (simplify_logical, case AND): Only call
23875 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
23876 or the constant is positive.
23878 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
23880 * configure.in: Fix typo in rs6000-ibm-aix4 case.
23881 * configure: Regenerate.
23883 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
23885 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
23886 require a sub-version #.
23887 * configure: Rebuilt.
23889 1999-06-14 Robert Lipe (robertlipe@usa.net)
23891 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
23893 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
23895 * c-typeck.c (process_init_element): Detect excess elements in
23896 char array initializer.
23898 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23900 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
23902 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23904 * invoke.texi (Option Summary): Add -fpermissive flag.
23906 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
23908 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
23909 that require PIC code sequences.
23911 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
23913 * configure.in: Add new target: thumb-elf.
23914 * configure: Regenerate.
23915 * config/arm/t-thumb-elf: New file: Makefile fragment for
23917 * config/arm/telf.h: New file: Header file for thumb-elf
23920 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
23922 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
23923 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
23924 initializers is some circumstances.
23926 * fixinc/inclhack.def (endif_label): Add additional selector for
23927 more bogus stuff after #endif statements.
23928 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
23930 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
23932 * i386/cygwin.h (SET_ASM_OP): Define.
23934 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
23936 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
23938 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23940 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
23943 * sh.md (ic_invalidate_line_i): Remove second alternative.
23945 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23947 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
23948 test for the presence of valid prototypes. Delete bypass expr.
23949 (ioctl_fix_ctrl): Correct the selection expression.
23950 (no_double_slash): Correct quoting rules
23951 *fixinc/fixincl.x: regen
23952 *fixinc/inclhack.sh: regen
23954 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
23956 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
23958 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23960 * rs6000.md (movsi_got_internal_mem): Delete.
23961 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
23962 (GOT_TOC_REGNUM): Delete.
23963 (PIC_OFFSET_TABLE_REGNUM): Define.
23964 (FINALIZE_PIC): Disable.
23965 * rs6000.c (rs6000_got_register): New code for fixed pic register.
23966 (rs6000_replace_regno): Delete.
23967 (rs6000_finalize_pic): Likewise.
23968 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
23970 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23972 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
23973 is a note; use <= for the compare; advance P while it is
23976 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
23978 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
23979 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
23981 * varasm.c (remove_from_pending_weak_list): Verify t->name
23982 is non-NULL before passing it to strcmp.
23984 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23986 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
23987 the typed arguments are not part of a comment
23988 (ioctl_fix_ctrl): Added a purpose comment
23989 *fixinc/fixincl.x: regenerate
23990 *fixinc/inclhack.sh: regenerate
23992 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23994 * invoke.texi: Add C4x invocation docs.
23996 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23998 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
24000 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
24002 (c4x_legitimize_reload_address): New function.
24003 * config/c4x/c4x.md: Update docs.
24005 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
24007 * fixincludes: Avoid removing '.'.
24008 * fixinc/fixinc.svr4: Likewise.
24009 * fixinc/fixinc.winnt: Likewise.
24010 * fixinc/inclhack.tpl: Likewise.
24011 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
24013 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24015 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
24017 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
24019 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
24021 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
24024 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
24026 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
24027 * configure: Regenerate.
24029 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
24031 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
24034 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
24036 * fixinc/inclhack.def (avoid_bool): Also catch
24037 "typedef [unsigned] int bool".
24038 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24040 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
24041 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
24042 * configure: Rebuilt.
24044 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
24046 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
24047 such that we can override its definitions if necessary.
24048 (CPP_SPEC): New define. Support processor specific predefines via
24050 (CC1_SPEC): New define. Support processor specific compiler
24051 options via %(cc1_cpu).
24052 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
24055 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24057 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
24058 between sed's -e flag, and the open-quote following it.
24059 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24061 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
24062 Jeffrey A Law (law@cygnus.com)
24064 * varasm.c (assemble_start_function): Remove the function
24065 from the pending weak decls list when we define a function.
24066 (assemble_variable): Similarly for variables.
24067 (weak_finish): Ignore items on the list with a NULL name.
24068 (remove_from_ending_weak_list); New function to "remove" an item
24069 from the pending weak declarations list.
24071 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24073 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
24075 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
24077 * c-lex.c (GETC): Redefine to call getch.
24078 (UNGETC): Redefine to call put_back.
24079 (putback_buffer): New structure type.
24080 (putback): New static structure.
24081 (getch): New function.
24082 (put_back): New function.
24083 (yylex): Replace unused bytes from bad multibyte character.
24085 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
24087 * cpplib.c (do_define): Cast `alloca' return value.
24088 (do_include, do_undef, do_pragma): Likewise.
24089 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
24091 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
24092 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
24094 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
24096 * sparc.md (abstf2): This should be an expand.
24097 (split after abstf2_notv9): Fix mode.
24098 (abstf2_hq_v9): New pattern.
24099 (abstf2_v9): Only use when no hard quad.
24100 (absdf2_v9): Fix if target is not the same as source.
24101 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
24102 Add correct output constraints.
24104 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
24106 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
24107 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
24109 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
24111 * mips.h (mips_output_conditional_branch): New function.
24112 (mips_adjust_insn_length): Likewise.
24113 (ASSEMBLER_SCRATCH_REGNUM): New macro.
24114 (ADJUST_INSN_LENGTH): Likewise.
24115 * mips.c (print_operand): Add `F' and `W' for floating-point
24116 comparison opcodes.
24117 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
24119 (mips_adjust_insn_length): New function.
24120 (mips_output_conditional_branch): New function.
24121 * mips.md (length): Adjust attribute definition to handle
24122 conditional branches. Change lengths to bytes, rather than
24123 instructions throughout. Remove length attribute from
24124 instructions whose length is four bytes, and rely on the default
24126 (dslot): Fix typo in comment.
24127 Reword conditional branch patterns to use
24128 mips_output_conditional_branch.
24130 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
24132 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
24133 (LIB_SPEC): Likewise.
24134 Link with -lprof1_r for -g/-pg.
24136 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24138 * loop.c (check_dbra_loop): Fix change of Jan 19.
24140 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
24142 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
24143 (STARTFILE_SPEC): Define, override the svr4.h version.
24144 (ENDFILE_SPEC): Likewise.
24146 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
24148 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
24149 * fixinc/fixincl.x: Regenerated.
24150 * fixinc/inclhack.sh: Regenerated.
24152 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24154 * sh.c (barrier_align): Don't return early for normal branch/barrier
24155 when optimizing for SH2.
24157 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
24159 * i386/udk.h (LINK_SPEC): Correct linker search path for
24162 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24164 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
24165 (braf_label_ref_operand): Delete.
24166 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
24167 * sh.md (casesi_jump_2): Operand1 is now the inside of a
24168 label_ref, and has no predicate.
24169 The patten has a predicate to guard against invalid substitutions.
24170 (dummy_jump): Delete.
24171 (casesi): Update use of casesi_jump_2.
24173 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24175 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
24176 *fixinc/fixincl.x: regenerate
24177 *fixinc/inclhack.sh: regenerate
24179 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
24181 * dwarf2out.c (add_incomplete_type): New fn.
24182 (gen_struct_or_union_type_die): Call it.
24183 (retry_incomplete_types): New fn.
24184 (dwarf2out_finish): Call it.
24186 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
24188 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
24189 current block starts with a CODE_LABEL and ends with a CALL and
24190 we can not find all the argument setup instructions for the CALL.
24192 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
24194 Revert this change:
24195 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24196 something is a candidate for optimize_bit_field_compare.
24198 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24200 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
24202 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
24204 * alpha.c (override_options): Thinko in last patch.
24206 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
24207 (LIB_SPEC): Recognize -pthread.
24209 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
24211 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
24212 definition in config/arm/coff.h
24213 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
24215 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24217 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
24218 fixes that need "file=xxx\n" prepended before invocation
24219 (start_fixer - new): starting the fixer process is complex enough
24220 to warrent its own routine. It prepends the "file=xxx\n" stuff.
24221 (process): uses the new routine; omit usage of putenv()
24222 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
24223 * fixinc/fixincl.x: regenerate
24225 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
24227 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
24228 and version #s (1.1 -> 2.96) as needed.
24229 * README.g77: Kill way out of date file in the toplevel directory.
24231 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
24233 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
24234 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
24235 * configure: Rebuilt.
24236 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
24237 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
24238 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
24239 (SWITCH_TAKES_ARG): Likewise.
24240 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
24241 * config/t-freebsd: Moved from config/i386/ so it can used for all
24244 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
24246 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
24248 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
24250 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
24251 * configure: Rebuilt.
24253 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
24255 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
24256 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
24257 * rs6000/rs6000.c (rs6000_file_start): Use putc.
24258 (rs6000_output_load_toc_table): Same.
24259 (output_prolog, output_mi_thunk): Same.
24260 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
24261 (ASM_GLOBALIZE_LABEL): Use putc.
24263 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
24265 * alpha.md (reload_*_help): New patterns and splitters.
24266 (reload_*): Use them.
24267 (mov[qh]i): Likewise.
24269 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
24271 * cccp.c (handle_directive): Handle backslash-newlines in quoted
24274 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
24276 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
24278 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
24280 * flow.c (mark_regs_live_at_end, insn_dead_p,
24281 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
24282 and HARD_FRAME_POINTER_REGNUM special treatment if reload
24283 hasn't run or the frame pointer is needed.
24284 * haifa-sched.c (attach_deaths): Likewise.
24285 * sched.c (attach_deaths): Likewise.
24287 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
24289 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
24290 calculate_can_reach_end returns nonzero.
24292 * configure.in (native gas tests): Search for an assembler in the
24293 same manner that the installed compiler will.
24294 * configure: Rebuilt.
24295 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
24297 * alias.c (find_base_term): Improve handling of addresses
24298 constructed from binary operations.
24300 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
24302 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
24304 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
24306 * function.h (cleanup_label, frame_offset): Declare.
24307 (tail_recursion_label, tail_recursion_reentry): Likewise.
24308 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24309 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
24310 (tail_recursion_label, tail_recursion_reentry): Likewise.
24311 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24313 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
24315 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
24317 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
24318 (MAX_OFILE_ALIGNMENT): Define.
24320 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
24322 * fixincl.c: Replace local include scheme with #includes of
24323 gansidecl.h and system.h.
24324 * procopen.c: Likewise.
24325 * server.c: Likewise.
24327 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
24329 * i386/t-dgux (EXTRA_PARTS): Add crti.o
24330 (crti.o): Add build rule and dependencies.
24331 * fixinc/fixinc.dgux: Use modified _int_varargs.h
24333 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24335 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
24336 (LIB_LINUX_SPEC): Likewise.
24337 (LIB_LINUX_SPEC): Add support for -pthread
24338 (CPP_OS_LINUX_SPEC): Likewise.
24339 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
24342 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
24344 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
24346 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
24347 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
24348 for IEEE math and CC_FCOMI.
24349 (put_jump_code): No IEEE if CC_FCOMI is set.
24351 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24353 * fold-const.c (fold_truthop): Make the field reference unsigned
24354 when converting a single bit compare.
24356 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24358 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
24360 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
24362 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
24363 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
24366 * reload.c (push_reload): Do not call remove_address_replacements
24367 when presented with identical optional reloads.
24369 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
24371 * alpha.h (MASK_FIX, TARGET_FIX): New.
24372 (MASK_*): Reorganize constants.
24373 (CPP_AM_FIX_SPEC): New.
24374 (TARGET_SWITCHES): Add FIX.
24375 (EXTRA_SPECS): Likewise.
24376 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
24377 (SECONDARY_MEMORY_NEEDED): Likewise.
24378 (REGISTER_MOVE_COST): Likewise.
24379 * alpha.c (override_options): Add FIX support. Always use
24380 ALPHA_TP_PROG for ev6.
24381 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
24382 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
24383 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
24385 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
24387 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24388 something is a candidate for optimize_bit_field_compare.
24390 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
24392 * gcc.texi (Passes): Document branch-shortening.
24393 * invoke.texi (Debugging Options): Document the fact that `-dp'
24394 outputs length information for instructions.
24396 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
24398 * flow.c: Revert previous delta.
24400 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
24402 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
24403 FRAME_POINTER_REGNUM.
24404 (mark_set_1): Ditto.
24405 (mark_used_regs): Ditto.
24407 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
24409 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
24410 (GOT_PCREL): New macro. Define to 1 if not already defined.
24411 * arm/elf.h (GOT_PCREL): Define to 0.
24412 * arm.c (arm_finalize_pic): Take into account the setting of
24415 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
24417 * output.h (STRIP_NAME_ENCODING): Provide default definition.
24418 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
24420 * flow.c (mark_set_1): Do not record BLKmode stores as dead
24421 store elimination candidates.
24423 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
24425 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
24428 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
24430 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
24431 Add use of x-aix41-gld.
24433 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
24435 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
24436 (ASM_OUTPUT_DESTRUCTOR): Define.
24438 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
24440 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
24441 last CODE_LABEL in a loop if we have previously passed a jump
24442 to the top of the loop.
24444 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
24446 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
24447 applying Philip's patch.
24449 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
24451 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
24454 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
24456 * loop.c (strength_reduce): Grow reg_single_usage as needed.
24458 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
24460 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
24461 Also remove a useless comment.
24463 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24465 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
24467 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
24469 * collect2.c (main): Only generate import or export file and add
24470 to link arguments if non-empty. Use xmalloc not alloca.
24471 (write_{export,import}_file): Delete.
24472 (write_aix_file): New function.
24473 (locatelib): Use xmalloc not malloc.
24474 (GCC_OK_SYMBOL): Do not check type if aix64.
24476 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
24478 Based on patch by Scott Bambrough and Pat Beirne:
24479 * config/arm/arm.c (making_const_table): New variable.
24480 * config/arm/arm.h (making_const_table): Declare.
24481 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
24483 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
24484 Keep track of when we are building the constant table.
24486 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
24488 * config/arm/arm.c (arm_override_options): Fix erroneous warning
24491 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
24493 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
24496 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
24498 * tm.texi (FUNCTION_ARG): Correct description of a stack element
24501 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
24503 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
24505 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24507 * rs6000.c (output_mi_thunk): Enable full support again.
24509 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24511 * sh.h (BRANCH_COST): Define.
24513 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
24515 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
24517 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
24519 * function.c (assign_stack_local): Align stack slot propertly.
24520 (assign_outer_stack_local): Likewise.
24522 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
24524 * expr.h (lang_expand_constant): Declare.
24525 * toplev.c (lang_expand_constant): Define it.
24526 * varasm.c (output_constant): Use it.
24528 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24530 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
24531 Change function definitions to K&R style.
24533 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24535 * fixinc/fixincl.c: We must not ignore SIGCLD now.
24537 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
24539 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
24540 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
24541 (several places): omit static initialization
24542 (process): use single fd, since only the read fd is used
24543 * fixinc/gnu-regex.c: define 'const' away, if not supported
24544 * fixinc/procopen.c(several places): omit static initialization
24545 * fixinc/server.c: define 'volitile' away, if not supported
24547 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24549 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
24550 asm_fprintf and %L to generate the label name.
24551 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
24552 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
24554 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
24556 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
24557 insn for a conditional jump can not be found.
24559 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
24561 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
24562 on variables in specific sections other than .sbss and .sdata.
24564 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
24566 * stmt.c (expand_return): Call start_cleanup_deferral and
24567 end_cleanup_deferral around conditional code.
24569 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24571 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
24572 filename lists. Utilizes new "krstr" AutoGen function.
24573 * fixinc/fixincl.x: Rebuilt.
24575 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
24577 * i386.c (output_float_compare): Avoid GNU-C extensions.
24579 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
24581 * version.c: Bump to distinguish mainline tree from the
24584 See ChangeLog.1 for earlier changes.