1 1997-11-13 Paul Eggert <eggert@twinsun.com>
3 * cccp.c, cpplib.c (compare_defs):
4 Don't complain about arg name respellings unless pedantic.
5 * cpplib.c (compare_defs): Accept pfile as new arg.
8 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10 * fold-const.c (fold_truthop): Fix bug in last change.
12 1997-11-13 Paul Eggert <eggert@twinsun.com>
14 Fix some confusion with IEEE minus zero.
16 * real.h (REAL_VALUES_IDENTICAL): New macro.
18 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
19 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
21 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
22 same tree structure as 0.0.
24 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
25 macro instead of doing it by hand.
27 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
29 * v850/lib1funcs.asm: Minor whitespace changes.
30 * v850.c: Fix minor formatting problems in many places.
31 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
33 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
35 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
36 xplus1 when xplus0 is not a register.
38 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
40 * flow.c (find_basic_blocks): During marking phase, if we encounter
41 an insn with a REG_LABEL note, make the target block live and
42 create an edge from the insn to the target block. Do not make
43 edges from all blocks to the target block.
45 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
47 * confiugre.in: Tweak NCR entries.
50 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
52 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
53 pick apart floating point values, instead of using CONST_DOUBLE_LOW
54 and CONST_DOUBLE_HIGH.
56 * rs6000.md (define_splits for DF constants): Use the appropriate
57 REAL_VALUE_* interface to pick apart DF floating point constants in
58 a machine independent fashion.
60 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
62 * fold-const.c (fold_truthop): When changing a one-bit comparison
63 against zero into a comparison against mask, do a proper sign
66 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
68 * except.c: Do not include "assert.h".
69 (save_eh_status): Turn asserts into conditional aborts.
70 (restore_eh_status, scan_region): Likewise.
71 * dwarfout.c: Do not include "assert.h".
72 (bit_offset_attribute): Turn asserts into conditional aborts.
73 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
74 (output_inlined_structure_type_die): Likewise.
75 (output_inlined_union_type_die): Likewise
76 (output_tagged_type_instantiation): Likewise.
77 (dwarfout_file_scope_decl): Likewise.
78 * dwarf2out.c: Do not include "assert.h"
79 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
80 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
81 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
82 (add_bit_size_attribute, scope_die_for): Likewise.
83 (output_pending_types_for_scope): Likewise.
84 (get_inlined_enumeration_type_die): Likewise.
85 (get_inlined_structure_type_die): Likewise.
86 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
87 (gen_tagged_type_instantiation_die): Likewise.
89 * flow.c (find_basic_blocks): Refine further to get a more correct
90 cfg, especially in the presense of exception handling, computed
91 gotos, and other non-trivial cases. Call abort if an inaccuracy
92 is detected in the cfg.
94 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
96 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
98 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
99 (skip_white_space): Use whitespace_cr.
100 (check_newline): Handle whitespace more consistently.
102 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
104 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
105 * i386/xm-cygwin32.h (POSIX): Define.
107 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
109 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
110 is available elsewhere.
112 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
114 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
115 what the instruction can handle.
117 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
119 * stmt.c (expand_decl_cleanup_no_eh): New fn.
121 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
123 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
125 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
126 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
128 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
130 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
131 swap instruction order.
133 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
135 * fixinc.svr4 (__STDC__): Add another case.
137 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
139 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
140 addresses in the epilogue delay slot.
142 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
144 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
145 in generated `specs' file.
147 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
149 * flags.h (flag_rerun_loop_opt): Declare.
150 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
151 * toplev.c (flag_rerum_loop_opt): Delete static.
153 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
157 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
159 * va-sh.h (__va_arg_sh1): Define.
161 SH3E doesn't use any integer registers for subsequent arguments
162 once a non-float value was passed in the stack.
163 * sh.c (machine_dependent_reorg): If optimizing, put explicit
164 alignment in front label for ADDR_DIFF_VEC.
165 * sh.h (PASS_IN_REG_P): Fix SH3E case.
166 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
168 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
170 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
173 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
175 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
176 put an use_sfunc_addr before each sfunc.
177 * sh.md (use_sfunc_addr, dummy_jump): New insns.
178 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
180 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
182 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
184 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
186 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
189 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
191 * alias.c (find_base_value): Only return the known base value for
194 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
196 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
197 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
199 (prologue_get_pc_and_set_got): New pattern.
201 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
203 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
204 for SUBREG, just fall through.
206 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
208 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
210 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
212 * fixincludes: Fix "hypot" prototype in NeXT math.h.
214 * Makefile.in (USE_ALLOCA): Always include alloca.o.
215 (USE_HOST_ALLOCA): Likewise.
217 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
218 and LABEL_REFS fields.
219 * rtl.h (LABEL_REFS): Update.
221 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
223 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
224 sets i2dest. When calling distribute_notes for i3dest_killed, pass
225 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
228 * mips.md (insv, extzv, extv): Add change_address call.
229 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
231 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
233 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
235 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
236 save_restore_insns if no FP and GP will be restored.
238 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
239 Convert CCmode to word_mode before calling GET_MODE_SIZE.
241 * acconfig.h (HAVE_INTTYPES_H): Undef.
242 * configure.in (inttypes.h): Check for conflicts between sys/types.h
243 and inttypes.h, and verify that intmax_t is defined.
244 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
245 * config/mips/x-iris3: Likewise.
247 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
249 * alias.c (find_base_value): When copying arguments, return the
250 tenative value for a hard register.
252 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
254 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
255 (yylex): Record wide strings using target endianness, not host.
257 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
259 * mn10200.h (ASM_OUTPUT_BSS): Delete.
260 (ASM_OUTPUT_ALIGNED_BSS): New macro
261 * mn10300.h (ASM_OUTPUT_BSS): Delete.
262 (ASM_OUTPUT_ALIGNED_BSS): New macro.
263 * v850.h (ASM_OUTPUT_BSS): Delete.
264 (ASM_OUTPUT_ALIGNED_BSS): New macro.
266 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
268 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
270 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
272 * configure.in (sco5): Use cpio to install header files.
274 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
276 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
278 * configure: Rebuild.
280 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
282 * i386/sco5.h: enable -gstabs once again.
284 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
286 * arm.c (output_move_double): Allocate 3 entries in otherops array.
288 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
290 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
291 notes for sjlj exceptions too.
292 (expand_eh_region_end): Similarly for EH_REGION_END notes.
293 (exception_optimize): Optimize EH regions for sjlj exceptions too.
294 * final.c (final_scan_insn): Don't output labels for EH REGION
295 notes if doing sjlj exceptions.
297 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
299 * alias.c (init_alias_analysis): Handle -fno-alias-check when
300 optimizing correctly.
302 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
303 or set current_function_calls_setjmp anymore.
305 * flow.c (find_basic_blocks): If we delete the label for an
306 exception handler, remove it from the EH label list and remove
307 the EH_BEGIN/EH_END notes for that EH region.
309 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
311 * flow.c (find_basic_blocks): Generate correct flow control
312 information when exception handling notes are present.
314 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
316 * dwarf2out.c (output_call_frame_info): Fix length argument
318 (output_die, output_pubnames, output_line_info): Likewise.
320 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
322 * version.c: Bump for snapshot.
324 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
325 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
326 flag_debug_asm is on.
327 (output_die, output_pubnames, output_line_info): Likewise.
329 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
330 and static_chain_rtx into the potential base values array if
333 * alias.c (new_reg_base_value): New array of potential base values.
334 (unique_id): Now file scoped static.
335 (find_base_value, case REG): Return the value in reg_base_value
336 array for the REG if it exists. Else, return the value from
337 new_reg_base_value if copying args and REG is a hard register.
338 (find_base_value, case PLUS): If either operand of the PLUS is
339 a REG, try to get its base value. Handle base + index and
341 (record_set): Use new_reg_base_value instead of reg_base_value.
342 (init_alias_analysis): Allocate space for new_reg_base_value too.
343 Rework code to iterate over the insns propagating base value
344 information until nothing changes.
346 * global.c (global_alloc): Free the conflict matrix after
349 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
351 * libgcc2.c (L_eh): Define __eh_pc.
352 Replace __eh_type with generic pointer __eh_info.
354 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
356 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
357 use copy_to_reg if address is not a general_operand.
359 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
361 * profile.c (output_func_start_profiler): Clear flag_inline_functions
362 for the duration of the call to rest_of_compilation.
364 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
366 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
368 (sparc*-*-*): Recognize --with-cpu=v9.
369 * sparc/elf.h: New file.
370 * sparc/t-elf: New file.
372 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
374 * mn10300.c (const_8bit_operand): New function.
375 (mask_ok_for_mem_btst): New funtion.
376 * mn10300.md (btst patterns with mem operands): Use new functions
377 to avoid creating btst instructions with invalid operands.
379 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
381 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
382 are running on PowerPC Linux.
384 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
386 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
387 if not previously defined.
389 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
391 * function.c (assign_parms): Correct mode of stack_parm if
392 entry_parm underwent a mode conversion.
394 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
396 * global.c (global_alloc): Use xmalloc instead of alloca for
397 CONFLICTS, since max_allocno * allocno_row_words alone can be more
398 than 2.5Mb sometimes.
400 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
402 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
403 DEST for the spill, adjust mode of SRC to compensate.
405 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
407 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
408 since any_memory_operand() allows pseudos during reload.
409 (reload_inhi, reload_outqi, reload_outhi): Likewise.
411 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
413 * m68k.md (btst patterns): Add 5200 support.
415 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
417 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
418 optimizations, look inside dividend to determine if the expression
419 can be simplified by using EXACT_DIV_EXPR.
421 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
424 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
426 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
428 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
430 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
432 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
435 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
437 * alpha.md (movqi, movhi): Make sure new insns created during reload
438 won't need reloading themselves.
439 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
441 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
443 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
445 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
447 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
448 Patch from Klaus Kaempf <kkaempf@progis.de>.
450 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
452 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
453 to an element in a constant string.
455 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
457 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
458 bit PC-relative offset. The exception range table pointer is now in
460 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
461 (count_fdes, add_fdes, get_cie): Adjust.
462 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
465 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
467 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
469 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
470 like stack_pointer_rtx.
472 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
474 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
475 targets using "$@" to provide support for similar but not identical
476 targets without having to duplicate code.
477 (bootstrap4): New goal.
479 * Makefile.in (compare, compare-lean, compare3): Combined to one
480 ruleset determining actions to be performed via $@.
481 (compare4, compare4-lean): New targets.
482 (gnucompare, gnucompare3): Combined to one ruleset determining
483 actions to be performed via $@. Also, note which files failed
484 the comparison test in .bad_compare.
485 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
487 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
489 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
490 if the dividend is a multiple of the divisor.
492 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
494 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
496 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
499 * alias.c (true_dependence): Fix typo.
501 * toplev.c (flag_rerun_loop_opt): New variable.
502 (f_options): Handle -frerun-loop-opt.
503 (rest_of_compilation): If -frerun-loop-opt, then run the loop
505 (main): Enable -frerun-loop-opt by default for -O2 or greater.
507 * loop.c (simplify_giv_expr): Adding two invariants results
510 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
512 * expr.c (get_inner_reference): Remove the array bias after
513 converting the index to Pmode.
515 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
517 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
518 (TARGET_MULT_BUG): Define.
519 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
520 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
522 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
524 * mn10200.c (indirect_memory_operand): Delete unused function.
525 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
526 * mn10200.md (bset, bclr insns): Handle output in a reg too.
528 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
530 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
531 the callee's ldgp, we must do it ourselves, and we use the jsr tag
532 for more than scheduling.
534 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
536 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
538 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
540 * mn10300.c (symbolic_operand, legitimize_address): New functions.
541 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
542 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
544 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
546 * version.c: Bump for snapshot.
548 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
550 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
553 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
555 * toplev.c (flag_exceptions): Default value is 2.
556 (compile_file): If flag_exceptions still has the value 2, then
559 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
560 (rs6000_save_machine_status): Save pic_offset_table_rtx.
561 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
563 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
566 * rs6000.md (*movsi_got_internal_mem): New pattern.
567 (*movsi_got_internal_mem splitter): New define_split.
569 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
571 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
573 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
575 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
576 only need to save LR.
578 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
580 * mn10300.md (movqi, movhi): Avoid using address registers as
581 destinations unless absolutely necessary.
583 * mn10200.c (expand_prologue): Fix typo.
585 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
587 * mn10200.md (neghi2): Provide an alternative which works if
588 the input and output register are the same.
590 * mn10300.c (print_operand): Handle 'S'.
591 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
592 shift amount in last alternative
594 * mn10300.c (expand_epilogue): Rework to handle register restores
595 in "ret" and "retf" instructions correctly.
597 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
599 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
600 extzv for memory operands.
602 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
603 redundant conditional moves to single operand.
605 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
607 * v850.h: Move define of __v850__ from CPP_PREDEFINES
610 * xm-v850.h: Use __v850 rather than __v850__ to
613 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
615 * mips/mips.c (compute_frame_size): Not a leaf function if
618 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
620 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
622 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
624 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
625 (DEFAULT_ARCH32_P): New macro.
626 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
627 (enum cmodel): Declare.
628 (sparc_cmodel_string,sparc_cmodel): Declare.
629 (SPARC_DEFAULT_CMODEL): Provide default.
630 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
631 (TARGET_FULLANY): Deleted.
632 (TARGET_CM_MEDMID): New macro.
633 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
634 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
635 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
637 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
638 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
639 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
640 (ASM_SPEC): Add %(asm_arch).
641 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
642 Rename asm_default to asm_cpu_default.
643 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
644 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
645 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
646 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
647 (MASK_INT64,MASK_LONG64): Delete.
648 (MASK_ARCH64): Renamed to MASK_64BIT.
649 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
650 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
651 (TARGET_SWITCHES): Always provide 64 bit options.
652 (ARCH64_SWITCHES): Delete.
653 (TARGET_OPTIONS): New option -mcmodel=.
654 (INT_TYPE_SIZE): Always 32.
655 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
656 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
657 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
658 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
659 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
661 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
662 * sparc/linux.h: Likewise.
663 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
664 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
665 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
666 (SPARC_DEFAULT_CMODEL): Define.
667 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
668 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
669 (LONG_DOUBLE_TYPE_SIZE): Define.
670 (ASM_SPEC): Add %(asm_arch).
671 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
672 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
673 (TARGET_CPU_DEFAULT): Add ultrasparc case.
674 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
675 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
676 (SPARC_DEFAULT_CMODEL): Define.
677 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
678 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
679 MASK_LONG64, MASK_MEDANY.
680 (SPARC_DEFAULT_CMODEL): Define.
681 (CPP_PREDEFINES): Delete.
682 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
683 (ASM_SPEC): Add %(asm_arch).
684 (LONG_DOUBLE_TYPE_SIZE): Define.
685 (DWARF2_DEBUGGING_INFO): Define.
686 * sparc/splet.h (CPP_SPEC): Delete.
687 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
688 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
689 (BLOCK_PROFILER): Likewise.
690 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
691 (sparc_override_options): Handle code model selection.
692 (sparc_init_expanders): Renamed from sparc64_init_expanders.
693 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
694 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
695 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
696 (sethi_di_fullany): Delete.
698 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
699 Jeff Law <law@cygnus.com>
700 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
702 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
703 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
704 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
705 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
706 * alpha/alpha.md (arg_home): Likewise.
708 * alpha/alpha.c (vmskrunch): Delete
709 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
710 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
711 truncate to 64 characters.
713 * make-l2.com: Support openVMS/Alpha.
715 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
717 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
719 * longlong.h (count_leading_zeros): Add missing casts to USItype.
721 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
723 * i386/bsd386.h (ASM_COMMENT_START): Define.
725 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
727 * tree.c (restore_tree_status): Also free up temporary storage
728 when we finish a toplevel function.
729 (dump_tree_statistics): Print stats for backend obstacks.
731 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
733 * expr.c (use_group_regs): Don't call use_reg for MEMs.
735 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
737 * libgcc2.c (__throw): Don't copy the return address.
738 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
740 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
741 * toplev.c (main): Initialize exceptions_via_longjmp.
743 * tree.c: Add extra_inline_obstacks.
744 (save_tree_status): Use it.
745 (restore_tree_status): If this is a toplevel inline obstack and we
746 didn't want to save anything on it, recycle it.
747 (print_inline_obstack_statistics): New fn.
748 * function.c (pop_function_context_from): Pass context to
750 * obstack.h (obstack_empty_p): New macro.
752 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
754 * i386/freebsd.h (ASM_COMMENT_START): Fix.
756 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
758 * v850.c (ep_memory_offset): New function.
759 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
761 * v850.h (CONST_OK_FOR_*): Add and correct comments.
762 (CONSTANT_ADDRESS_P): Add comment.
763 (EXTRA_CONSTRAINT): Define 'U'.
764 * v850.md: Add comments on bit field instructions.
765 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
766 (lshrsi3): Use N not J constraint.
768 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
770 * v850.c (reg_or_0_operand): Call register_operand.
771 (reg_or_int5_operand): Likewise.
772 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
773 (TARGET_SWITCHES): Add "big-switch".
774 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
775 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
776 (CASE_DROPS_THROUGH): Comment out.
777 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
778 * v850.md (cmpsi): Delete compare mode.
779 (casesi): New pattern.
781 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
782 * v850.md (ashlsi3): Use SImode not QImode for shift count.
785 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
786 unreachable switch statement after 'b' support. Remove "b" from
787 strings for 'b' support.
788 * v850.md (branch_normal, branch_invert): Change %b to b%b.
790 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
792 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
793 empty line if @inhibit_libc@ is empty.
795 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
797 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
798 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
799 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
800 (DWARF2_UNWIND_INFO): Let this track object file format.
801 (EXTRA_SECTIONS): Add in_eh.
802 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
803 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
805 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
807 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
808 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
810 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
811 (output_double_int): Output DI mode values correctly when
812 HOST_BITS_PER_WIDE_INT is 64.
813 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
814 fmovd so it works if a quad float ends up in one of the upper 32
816 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
817 necessary for PIC support on sparc64.
819 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
821 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
822 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
823 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
824 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
825 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
826 (SPARC_FP_ARG_FIRST): New macro.
827 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
828 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
829 (NPARM_REGS): There are 32 fp argument registers now.
830 (FUNCTION_ARG_REGNO_P): Likewise.
831 (FIRST_PARM_OFFSET): Update to new v9 abi.
832 (REG_PARM_STACK_SPACE): Define for arch64.
833 (enum sparc_arg_class): Delete.
834 (sparc_arg_count,sparc_n_named_args): Delete.
835 (struct sparc_args): Redefine and use for arch32 as well as arch64.
836 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
837 (FUNCTION_ARG_ADVANCE): Rewrite.
838 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
839 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
840 (FUNCTION_ARG_CALLEE_COPIES): Delete.
841 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
842 (STRICT_ARGUMENT_NAMING): Define.
843 (doublemove_string): Declare.
844 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
845 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
846 (doublemove_string): New function.
847 (output_move_quad): Clean up some of the arch64 support.
848 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
849 Don't add 8 bytes of reserved space if arch64.
850 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
851 (init_cumulative_args): New function.
852 (function_arg_slotno): New static function.
853 (function_arg,function_arg_partial_nregs): New functions.
854 (function_arg_{pass_by_reference,advance}): New functions.
855 (function_arg_padding): New function.
856 * ginclude/va-sparc.h: Rewrite v9 support.
858 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
860 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
861 for hard regs to determine base and index registers.
863 * reload.c (debug_reload_to_stream): New function. Specify stream
864 into which to write debug info.
865 (debug_reload): Modify to call debug_reload_to_stream with stderr.
867 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
869 * combine.c (can_combine_p): Don't combine with an asm whose
870 output is a hard register.
872 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
874 * c-decl.c (start_struct): Ensure that structs with forward
875 declarations are in fact packed when -fpack-struct is given.
877 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
878 we are packing a structure. This allows a structure with only
879 bytes to be aligned on a byte boundary and have no padding on a
882 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
884 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
886 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
888 * alpha.c (alpha_return_addr_rtx): New variable.
889 (alpha_save_machine_status): New; save it.
890 (alpha_restore_machine_status): New; restore it.
891 (alpha_init_expanders): New; clear it.
892 (alpha_return_addr): New; set it.
893 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
894 is overly conservative, so search the insns explicitly.
895 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
896 (alpha_sa_size [VMS && !VMS]): Likewise.
897 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
898 (INIT_EXPANDERS): New definition.
900 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
901 (output_prolog [!VMS]): Use them.
903 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
904 (alpha_does_function_need_gp): ... a new function. Refine the
905 CALL_INSN test to just TYPE_JSR.
906 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
908 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
910 * version.c: Bump for snapshot.
912 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
914 * pa.c (move_operand): Respect -mdisable-indexing.
915 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
917 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
919 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
921 (umulsidi3,umulsi3_highpart): Ditto.
922 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
924 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
926 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
927 (alpha_handle_trap_shadows): ... a new function. Handle the entire
928 function in one go. Emit RTL for trapb, instead of printf directly.
929 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
930 (trap_pending): Kill global variable.
931 (output_epilog): Don't call final_prescan_insn.
932 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
933 * alpha.h (FINAL_PRESCAN_INSN): Remove.
934 (MACHINE_DEPENENT_REORG): Define.
935 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
938 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
940 Tune Haifa scheduler for Alpha:
941 * alpha.h (ISSUE_RATE): Define.
942 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
943 EV4 adjustments to EV5.
944 * alpha.md: Remove all scaling from function unit delays. Rework
945 EV5 function units to match the CPU.
946 (umuldi3_highpart): EV5 added the IMULH insn class.
948 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
950 * pa.c (following_call): Fail if the CALL_INSN is an indirect
953 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
955 * cplus-dem.c (demangle_signature): Don't look for return types on
956 constructors. Handle member template constructors.
958 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
960 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
961 * tree.h: Declare them.
963 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
965 * configure.in: Handle --with-newlib.
966 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
968 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
970 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
972 * config/ptx4.h: Fix typo.
974 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
976 * version.c: Bump for snapshot.
978 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
980 * aclocal.m4: Substitute INSTALL.
981 * configure: Re-built.
983 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
985 * integrate.c (save_for_inline_copying): Avoid undefined pointer
987 (expand_inline_function): Likewise.
989 * dwarf2out.c (output_call_frame_info): Reinstate last change
990 using flag_debug_asm check instead of flag_verbose_asm.
992 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
994 * dwarf2out.c (output_call_frame_info): Remove last change.
996 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
998 * frame.c (__frame_state_for): Execute the FDE insns until the
999 current pc value is strictly bigger than the target pc value.
1001 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
1003 * regclass.c (init_reg_modes): If we can't find a mode for the
1004 register, use the previous one.
1006 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
1008 * haifa-sched.c (print_block_visualization): Call fprintf directly,
1009 don't sprintf through an alloca'ed buffer.
1011 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
1013 * reload.c (decompose): Always initialize val.base.
1015 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1017 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
1018 instead of aborting.
1019 * dwarf2out.c (output_call_frame_info): Call app_enable and
1020 app_disable to let GNU as accept the generated comments.
1022 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
1024 * tree.h (get_file_function_name): Add declaration.
1025 * dwarf2out.c (output_call_frame_info): No need to cast
1026 get_file_function_name call anymore.
1027 * profile.c (toplevel): Remove get_file_function_name
1029 * c-lang.c (finish_file): Ditto.
1031 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
1033 * Makefile.in (program_transform_name): Let autoconf substitute
1036 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
1038 * haifa-sched.c (schedule_block): If the first real insn in a
1039 block has any special notes attached to it, remove them.
1041 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
1043 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
1045 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1047 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1049 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
1051 * Makefile.in (check-g77): New test target.
1052 (CHECK-TARGETS): Add check-g77.
1054 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1056 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
1058 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
1060 * flow.c (print_rtl_with_bb): Cast alloca return value for
1063 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
1065 * i386.h (RETURN_ADDR_RTX): New definition that works for
1066 __builtin_return_address(0) and -fomit-frame-pointer.
1068 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
1070 Bring over from FSF.
1071 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
1073 * mips.c (function_arg): Handle passing a struct
1074 containing a double in a DFmode register without the PARALLEL.
1076 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
1078 * pexecute.c: Use spawn if __CYGWIN32__.
1080 * pexecute.c: Include "config.h" first, as per autoconf manual
1081 (from Paul Eggert <eggert@twinsun.com>).
1083 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1085 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
1086 optimisation for f/expr.o and f/stb.o.
1088 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
1090 * cse.c (this_insn_cc0_mode): Initialize.
1092 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
1094 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
1096 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
1098 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
1100 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
1101 that pair will dual-issue on the 21164 and plus+beq won't.
1102 (bne): Likewise for cmpeq+beq.
1104 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
1106 * except.c (find_exception_handler_labels): Correct argument to free.
1108 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1110 * except.c (find_exception_handler_labels): Free LABELS when we're
1113 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
1115 * version.c: Bump for snapshot.
1117 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1119 * flow.c (find_basic_blocks): Mark calls as potentially jumping
1122 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
1124 * configure.in: Substitute for "install" too.
1125 * configure: Rebuilt.
1127 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
1129 * Makefile.in (bootstrap-lean, compare-lean): New targets.
1131 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
1133 * alias.c (base_alias_check): Two symbols can conflict if they
1134 are accessed via AND.
1135 (memrefs_conflict_p): Likewise.
1137 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
1138 after flushing argument registers to the stack.
1140 * Makefile.in (mostlyclean): Remove .regmove files.
1142 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1144 * libgcc2.c (__throw): Fix thinko.
1146 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1148 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1149 template-function mangling.
1150 (consume_count_with_underscores): New function.
1151 (demangle_signature): Handle new name-mangling scheme.
1153 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1155 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
1158 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
1160 * frame.c: Remove last change.
1161 * dwarf2.h: Remove last change.
1162 * tree.h: Add declarations of DWARF2 unwind info support
1165 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1167 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1168 * tree.h (built_in_function): Likewise.
1169 * expr.c (expand_builtin): Likewise.
1170 * except.h: Likewise.
1171 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1172 * libgcc2.c (copy_reg): New fn.
1175 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1177 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1178 unsigned if -W is specified and -Wno-sign-compare is not.
1179 * c-decl.c (warn_sign_compare): Initialize to -1.
1180 (c_decode_option): -Wall no longer implies -Wsign-compare.
1182 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1184 * frame.c: Include gansidecl.h for PROTO.
1185 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
1186 defined. Don't declare dwarf2out_cfi_label here.
1187 * dwarf2.h: Add declarations of DWARF2 unwind info support
1189 * m68k.c: Include dwarf2.h.
1190 (output_function_prologue): Add dwarf2 support.
1191 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1192 (INCOMING_FRAME_SP_OFFSET): Likewise.
1194 * integrate.c (expand_inline_function): Make sure there is at
1195 least one insn that can be used as an insertion point.
1197 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1199 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1201 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
1203 * version.c: Bump for snapshot.
1205 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
1207 Bring over from FSF.
1209 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1211 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1212 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1213 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1215 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1217 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1218 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1220 (sparc_align_{loops,jumps,funcs}_string): Declare.
1221 (sparc_align_{loops,jumps,funcs}): Declare.
1222 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1223 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1224 (STACK_BIAS): Define.
1225 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
1227 (SPARC_SETHI_P): New macro.
1228 (CONST_OK_FOR_LETTER_P): Use it.
1229 (ASM_OUTPUT_ALIGN_CODE): Define.
1230 (ASM_OUTPUT_LOOP_ALIGN): Define.
1231 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1232 (sparc_align_{loops,jumps,funcs}): New globals.
1233 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1235 (move_operand): Use SPARC_SETHI_P.
1236 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
1238 (arith11_double_operand): Likewise.
1239 (arith10_double_operand): Likewise.
1240 (finalize_pic): Finish sparc64 support.
1241 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1242 64 bit constants if able.
1243 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1244 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
1246 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
1247 (get_pc_sp32): Use for sparc64 as well.
1248 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1249 (sethi_di_sp64_const): Likewise.
1250 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1251 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1252 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1254 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1256 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1257 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1258 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1260 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1262 Add sparc64 linux support.
1263 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1264 to xm_file list on 32-bit sparc-linux.
1265 * sparc/xm-sp64.h: New file.
1266 * sparc/linux64.h: New file.
1267 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1268 Don't include xm-sparc.h.
1269 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1270 * glimits.h (LONG_MAX): Handle sparc64.
1272 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
1274 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
1275 * sparc.h (ASM_COMMENT_START): Define.
1276 * sparc.c (output_function_prologue): Use it.
1277 (sparc_flat_output_function_{epi,pro}logue): Likewise.
1279 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
1281 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
1282 use sparc.h's copies.
1283 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
1286 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1288 * sparc.c (dwarf2out_cfi_label): Add declaration.
1289 (save_regs, output_function_prologue): Remove cast for it.
1290 (sparc_flat_{save_restore,output_function_prologue): Likewise.
1291 ({save,restore}_regs): No longer inline.
1293 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1295 * fold-const.c (make_range): Correctly handle cases of converting
1296 from unsigned to signed type.
1298 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1300 * fold-const.c (merge_ranges): Make sure that if one range is subset
1301 of another, it will always be the second range. Correct (+,-) case to
1304 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1306 * final.c (final_end_function): Also do dwarf2 thing if
1307 DWARF2_DEBUGGING_INFO.
1308 (final_start_function): Likewise.
1310 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
1312 * expmed.c (expand_divmod): If compute_mode is not the same as
1313 mode, handle the case where convert_modes() causes op1 to no
1314 longer be a CONST_INT.
1316 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
1317 note holding get_jump_flags() calculation to all JUMP_INSNs.
1318 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
1319 * rtl.c (reg_note_name): Add new note types.
1321 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
1323 * rtlanal.c (computed_jump_p): Fix typo in last change.
1325 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1327 * loop.c (indirect_jump_in_function_p): Return 0
1330 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
1332 * rs6000/xm-rs6000.h: Fix thinko in last change.
1333 * rs6000/xm-sysv4.h: Likewise.
1335 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
1337 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
1339 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
1341 * reg-stack.c (find_blocks): Fix thinko in last change.
1343 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1345 * m68k.c (output_function_prologue): Add dwarf2 support.
1347 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
1348 INCOMING_FRAME_SP_OFFSET): New definitions.
1350 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1352 * combine.c (try_combine): Use NULL_RTX instead of '0' where
1353 appropriate in calls to gen_rtx().
1354 * cse.c (cse_main): Likewise.
1355 * emit-rtl.c (gen_label_rtx): Likewise.
1356 * expr.c (init_expr_once): Likewise.
1357 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
1358 sched_analyze, init_rgn_data_dependences,
1359 compute_block_backward_dependences): Likewise.
1360 * sched.c (schedule_insns): Likewise.
1361 * varasm.c (immed_double_const): Likewise.
1363 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
1364 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
1366 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
1368 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
1369 (MULTILIB_DEFAULTS): Define.
1370 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1371 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1372 (LIBGCC_SPEC): Likewise.
1373 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1374 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1375 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1376 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1377 (EXTRA_PARTS, TAROUTOPTS): Delete.
1378 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1379 (MULTILIB_OPTIONS): Define.
1380 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1381 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1383 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1385 * version.c: Bump for snapshot.
1387 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1389 * loop.c (loop_number): Delete function. Change all references
1390 to use uid_loop_num array.
1391 * loop.h (loop_number): Delete declaration.
1392 * unroll.c (unroll_loop): Change "loop_number" references to
1393 use uid_loop_num instead.
1395 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1397 (loop_unroll_iter): Remove unused variable and all references.
1398 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1399 (insert_bct): Fix minor formatting problems.
1400 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1401 (loop_unroll_iter): Removed unused decl.
1402 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1403 Always record the unrolling factor.
1405 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1406 Similarly for h1u and h1s.
1408 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1409 (find_basic_blocks): Use computed_jump_p to determine if a
1410 particular JUMP_INSN is a computed jump.
1411 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1412 if a particular JUMP_INSN is a computed jump.
1413 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1414 (computed_jump_p): Likewise.
1415 * rtl.h (computed_jump_p): Declare.
1416 * genattrtab.c (pc_rtx): Define and initialize.
1417 * loop.c (loop_optimize): Always determine if the current
1418 function has a computed jump.
1419 (indirect_jump_in_function_p): Use computed_jump_p to determine
1420 if a particular JUMP_INSN is a computed jump.
1422 * loop.c (fix_bct_param): Delete unused function.
1423 (check_bct_param): Likewise.
1425 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1427 * frame.c (__deregister_frame): Check properly for initialized object.
1429 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1431 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1433 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1435 * jump.c (thread_jumps): check can_reverse_comparison_p before
1436 threading a reversed-condition jump.
1438 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1439 * haifa-sched.c (update_flow_info): Likewise.
1441 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1443 * Makefile.in (BOOT_CFLAGS): Use -O2.
1445 * configure.in (strtoul, bsearch): Have autoconf check for these
1447 * configure, config.in: Rebuilt.
1449 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1450 * mips/mips.h (alloca): Likewise.
1451 * rs6000/xm-rs6000.h (alloca): Likewise.
1452 * rs6000/xm-sysv4.h: Likewise.
1454 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1456 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1457 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1458 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1460 * except.c (end_eh_unwinder): Subtract 1 from return address.
1461 * libgcc2.c (__throw): Likewise.
1462 (find_exception_handler): Don't change PC here. Compare end with >.
1464 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1466 * v850.c (compute_register_save_size): Correct register
1468 * v850.md (save_interrupt, return_interrupt): Correct
1470 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1471 (return_interrupt): Use stack pointer, not element pointer.
1473 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1475 * configure.in, configure: Make sure to create the stage* and include
1476 symbolic links in each subdirectory.
1478 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1480 * pa.md (reload_peepholes): Don't allow addresses with side
1481 effects for the memory operand.
1483 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1485 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1486 looking for a handler, to avoid hitting the beginning of the next
1489 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1491 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1493 * mips/abi64.h (LONG_MAX_SPEC): Define.
1494 * mips.h (LONG_MAX_SPEC): Define.
1495 (CPP_SPEC): Include long_max_spec.
1496 (EXTRA_SPECS): Include long_max_spec.
1498 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1500 * v850.c (construct_save_jarl): Fix thinko in last change.
1502 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1504 * version.c: Bump for snapshot.
1506 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1508 * libgcc2.c (find_exception_handler): Not found is -1.
1510 * integrate.c (expand_inline_function): Move expand_start_bindings
1511 after expanding the arguments.
1513 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1515 * expr.c (expand_expr): Remove previous incorrect change.
1516 If target and slot has no DECL_RTL, then call mark_addressable
1517 again for the slot after we give it RTL.
1519 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1521 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1522 again for the slot after we give it RTL.
1524 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1526 * v850.c (register_is_ok_for_epilogue,
1527 pattern_is_ok_for_epilogue, construct_restore_jr,
1528 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1530 * v850.h (pattern_is_ok_for_prologue,
1531 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1534 * v850.md: Replace prologue and epilogue patterns with a
1535 match_parallel pattern.
1537 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1539 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1540 * configure.in: Use EGCS_PROG_INSTALL.
1542 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1544 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1545 extern inline function.
1547 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1549 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1550 (concat_loc_descriptor): New function.
1551 (loc_descriptor): Call it.
1552 (add_AT_location_description): Also elide the descriptor if both
1553 halves of a CONCAT are pseudos.
1554 (add_location_or_const_value_attribute): Recognize CONCAT too.
1556 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1558 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1560 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1561 out-or-range reg_offset.
1562 (output_epilog): Likewise.
1564 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
1566 * cse.c (simplify_relational_operation): If MODE specifies a
1567 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
1568 is derived from the sign bit of the low word.
1570 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1572 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
1574 * dwarf2.h: Add DW_CFA_GNU_args_size.
1575 * frame.c (execute_cfa_insn): Likewise.
1576 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
1577 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
1578 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
1579 insn, hand it off to dwarf2out_stack_adjust.
1580 (dwarf2out_begin_prologue): Initialize args_size.
1581 * frame.h (struct frame_state): Add args_size.
1582 * libgcc2.c (__throw): Use args_size.
1583 * final.c (final_scan_insn): If we push args, hand off all insns
1584 to dwarf2out_frame_debug.
1585 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
1587 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
1588 Handle epilogue restore of SP from FP.
1589 * emit-rtl.c (gen_sequence): Still generate a sequence if the
1590 lone insn has RTX_FRAME_RELATED_P set.
1592 * frame.c (extract_cie_info): Handle "e" augmentation.
1593 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
1594 absence of UNALIGNED_*_ASM_OP.
1595 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
1596 (output_call_frame_info): Use "e" instead of "z" for augmentation.
1597 Don't emit augmentation fields length.
1598 (dwarf2out_do_frame): Move outside of #ifdefs.
1599 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
1602 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
1603 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
1604 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
1605 * sparc/sun4gas.h: New file.
1606 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
1608 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
1609 __register_frame_table and __deregister_frame.
1611 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
1613 * except.c (find_exception_handler_labels): Use xmalloc instead of
1614 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
1617 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
1619 * Makefile.in: Various changes to build info files
1620 in the object tree rather than the source tree.
1622 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
1624 * fixinc.math: New file to fix math.h on some systems.
1625 * configure.in (freebsd, netbsd): Use fixinc.math on these
1627 * configure: Rebuilt.
1629 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
1631 * regmove.c (regmove_optimize): If we end up moving the
1632 original insn due to lifetime overlaps, make sure to move
1635 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
1637 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
1639 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
1641 * haifa-sched.c (add_branch_dependences): Make each insn in
1642 a SCHED_GROUP_P block explicitly depend on the previous insn.
1644 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1646 * except.h: Prototype dwarf2 hooks.
1649 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
1651 * configure.in (native_prefix): Delete.
1652 (mips-dec-netbsd): Don't set prefix.
1653 (*linux*): Don't set prefix.
1655 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
1657 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
1658 defined. If not defined, include <sys/varargs.h> if
1659 HAVE_SYS_VARARGS_H is defined.
1660 * configure.in: Test for varargs.h and sys/varargs.h.
1661 * configure: Regenerate with autoconf.
1662 * config.in: Regenerate with autoheader.
1664 * cpplib.c (quote_string): Cast first arg of sprintf call
1665 from "unsigned char *" to "char *".
1666 (output_line_command): Ditto.
1667 (macroexpand): Ditto.
1668 (do_line): Cast atoi arg from "unsigned char *" to "char *".
1670 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
1672 * version.c: Bump for snapshot.
1674 * Makefile.in (compare): Exit with nonzero status if there
1675 are comparison failures. Note which files failed the
1676 comparison test in .bad_compare.
1678 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1680 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
1682 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
1684 * Makefile.in (LN, LN_S): New macros, use where appropriate.
1685 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
1686 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
1687 * configure: Regenerated.
1689 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
1691 * loop.c (strength_reduce): Fix typo.
1693 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
1695 * m88k/m88k.c (struct option): Rename to struct options.
1696 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
1697 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
1698 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
1699 __DOLPHIN__ or sysV88.
1701 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
1703 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
1706 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
1708 * config.sub: Accept 'amigados' for backward compatability.
1710 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1712 * Makefile.in (testsuite/site.exp): New target.
1713 (check-gcc, check-g++): Depend on testsuite/site.exp.
1714 Don't stop for failure.
1716 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
1718 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
1719 if DWARF2_UNWIND_INFO.
1721 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
1723 Add support for exception handling using DWARF 2 frame unwind info.
1724 Currently works on SPARC and MIPS, and almost on x86.
1726 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
1727 next_stack_level, in_reg_window): Helper fns.
1728 (__throw): Implement for DWARF2_UNWIND_INFO.
1730 * expr.c (expand_builtin): Handle builtins used by __throw.
1731 * tree.h (enum built_in_function): Add builtins used by __throw.
1732 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
1733 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
1734 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
1735 (expand_builtin_extract_return_addr): Likewise.
1736 (expand_builtin_frob_return_addr): Likewise.
1737 (expand_builtin_set_return_addr_reg): Likewise.
1738 (expand_builtin_eh_stub): Likewise.
1739 (expand_builtin_set_eh_regs): Likewise.
1740 (eh_regs): Choose two call-clobbered registers for passing back values.
1742 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
1743 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
1744 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
1745 (stmp-multilib): Likewise.
1746 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
1748 * except.c: #include "defaults.h".
1749 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
1750 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
1751 (register_exception_table_p): New fn.
1752 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
1753 (end_eh_unwinder): Likewise.
1755 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
1756 call __register_frame and __deregister_frame as needed.
1757 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
1758 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
1759 EH_FRAME_SECTION_ASM_OP.
1760 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
1761 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
1762 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
1764 * dwarf2out.c (output_call_frame_info): If no support for
1765 EXCEPTION_SECTION, mark the start of the frame info with a
1767 * collect2.c (frame_tables): New list.
1768 (is_ctor_dtor): Recognise frame entries.
1769 (scan_prog_file): Likewise.
1770 (main): Pass -fno-exceptions to sub-compile. Also do collection
1771 if there are any frame entries.
1772 (write_c_file_stat): Call __register_frame_table and
1773 __deregister_frame as needed.
1774 (write_c_file_glob): Likewise.
1776 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
1777 Also require unaligned reloc support.
1778 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1779 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
1780 * sparc/sysv4.h: Not here.
1782 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
1783 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
1784 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
1786 * libgcc2.c (L_eh): Reorganize, moving code shared by different
1787 EH implementations to the top.
1788 (find_exception_handler): Split out. Start from 0. Compare against
1790 (__find_first_exception_table_match): Use it.
1791 * except.c (output_exception_table): Don't do anything if there's
1792 no table. Don't output a first entry of zeroes.
1793 (eh_outer_context): Adjust properly.
1794 (add_eh_table_entry): Use xrealloc.
1795 * toplev.c (compile_file): Just call output_exception_table.
1797 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
1799 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
1801 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
1803 * except.c (eh_outer_context): Do masking using expand_and.
1805 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
1807 Add port done awhile ago for the ARC cpu.
1808 * arc/arc.h: New file.
1809 * arc/arc.c: New file.
1810 * arc/arc.md: New file.
1811 * arc/initfini.c: New file.
1812 * arc/lib1funcs.asm: New file.
1813 * arc/t-arc: New file.
1814 * arc/xm-arc.h: New file.
1815 * ginclude/va-arc.h: New file.
1816 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1817 * ginclude/varargs.h: Likewise.
1818 * Makefile.in (USER_H): Add va-arc.h.
1819 * configure.in (arc-*-elf*): Recognize.
1820 * longlong.h: Add ARC support.
1822 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1824 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1825 when clearing non-BLKmode data.
1827 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1829 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1830 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1832 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1834 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1836 * Makefile.in (clean): Delete libgcc1-test.
1838 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1840 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
1842 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1845 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1847 * dwarf2out.c (output_call_frame_info): Call named_section.
1849 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1851 * haifa-sched.c (print_value): Fix last change.
1853 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1855 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1858 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1860 * mips.c (function_prologue): Set up the CFA when ABI_32.
1862 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1863 for dwarf2 unwind info.
1864 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1866 * final.c (final_end_function): Check dwarf2out_do_frame instead
1867 of DWARF2_DEBUG for dwarf2 unwind info.
1868 (final_scan_insn): Likewise.
1869 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1872 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1875 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1877 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1879 * v850.h (ASM_SPEC): Pass on target processor.
1880 (CPP_PREDEFINES): Only define if not already specified.
1881 (TARGET_VERSION): Only define if not already specified.
1882 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1884 (EXTRA_SWITCHES): Extra entries in the switches array.
1885 (TARGET_DEFAULT): Set default target processor.
1887 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1889 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
1890 cases, add %# and %/, and add : to make them into extended asms.
1892 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
1894 * alias.c (init_alias_analysis): Clean up incompatible pointer
1895 type warning in bzero.
1896 * regmove.c (regmove_optimize): Ditto.
1897 * haifa-sched.c (find_rgns): Ditto.
1899 * haifa-sched.c (print_value): Clean up ptr->int cast
1902 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
1904 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
1905 * install.texi (Configurations): Ditto.
1906 * config.sub: Ditto.
1908 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
1910 * Makefile.in (sdbout.o): Depend on insn-config.h.
1912 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
1914 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
1915 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
1917 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1919 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
1920 prologue insn, only the first elt is significant.
1921 (output_call_frame_info): For exception handling, always use 4-byte
1922 fields as specified by the dwarf2 spec.
1923 Don't skip trivial FDEs.
1925 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
1927 * version.c: Bump for snapshot.
1929 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
1931 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
1932 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
1935 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
1937 * final.c (shorten_branches): During first pass, assume worst
1938 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
1940 * Makefile.in (distclean): Remove various things left around
1941 by running the testsuite.
1943 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
1945 * configure.in (out_file): Emit definition to config.status in order
1946 to have a defined value for configure.lang.
1947 * configure: Re-built.
1949 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
1951 * configure.in: Make symlink to as-new rather than as.new. Similarly
1953 * configure: Rebuilt.
1955 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
1957 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1959 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1961 * sparc/sparc.md: Add ultrasparc scheduling support.
1962 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1964 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1966 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1967 as initial value for real_label_map.
1968 (copy_for_inline): Likewise.
1970 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1972 * sched.c (update_flow_info) When looking if to set found_split_dest
1973 or found_orig_dest, look at all parts of a PARALLEL.
1974 * haifa-sched.c (update_flow_info): Likewise.
1976 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1978 * v850: New directory for v850 port.
1979 * v850/lib1funcs.asm: New file.
1980 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1981 * ginclude/va-v850.h: New file.
1982 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1983 * configure.in (mn10200-*-*): New target.
1984 * configure: Rebuilt.
1985 * config.sub: Handle v850-elf.
1986 * Makefile.in (USER_H): Add va-mn10200.h.
1987 * invoke.texi: Document v850 stuff.
1989 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1991 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1992 has integer TYPE_{MAX,MIN}_VALUE before using them.
1994 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1995 __HPUX_ASM__ versions.
1997 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1999 * install.sh: Delete duplicate install script.
2001 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
2003 * reg-stack.c (subst_stack_regs): Pop the stack register for a
2004 computed goto which sets the same stack register.
2006 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
2007 destination are both on the regstack.
2008 (subst_stack_regs_pat): Put the destination at the top of the regstack.
2010 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
2012 * mips.md (nonlocal_goto_receiver): Define.
2014 * profile.c (output_arc_profiler): Check next_insert_after for non
2015 NULL before deferencing it.
2017 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
2019 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
2021 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
2023 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
2025 * toplev.c (rest_of_compilation): For passes starting with
2026 flow_analysis, use print_rtl_with_bb instead of print_rtl.
2028 * print-rtl.c (print_rtl_single): Print a single rtl value to a
2031 * flow.c (print_rtl_with_bb): Print which insns start and end
2032 basic blocks. For the start of a basic block, also print the live
2035 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
2037 * toplev.c (main): Change #elif to #else/#ifdef
2039 * tlink.c: Include ctype.h.
2040 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2042 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
2044 * bitmap.c: Conditionally include stdlib.h.
2045 (free): Provide a declaration if NEED_DECLARATION_FREE.
2047 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
2049 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
2051 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
2053 * profile.c (output_arc_profiler): Verify next_insert_after is an
2054 INSN before and after skipping a stack pop.
2056 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2058 * final.c (shorten_branches): Don't count the lengths of deleted
2061 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
2063 * version.c: Bump for snapshot.
2065 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
2067 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2068 two bitmaps ANDed together.
2069 (bitmap_print): Declare.
2071 * bitmap.c (function_obstack): Don't declare any more.
2072 (bitmap_obstack): Obstack for allocating links from.
2073 (bitmap_obstack_init): New static to say whether to initialize
2075 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2076 (bitmap_release_memory): Free all memory allocated from
2079 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2080 EXECUTE_IF_AND_IN_BITMAP.
2082 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
2084 * alias.c (true_dependence): Address with AND can alias scalars.
2085 (anti_dependence, output_dependence): Likewise.
2087 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
2089 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
2091 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
2092 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
2093 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
2094 definitions. Use -qrtems instead of -mrtems.
2096 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
2098 * xm-sco5.h (sys_siglist): Define.
2099 (SYS_SIGLIST_DECLARED): Likewise.
2101 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
2103 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
2105 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
2107 * except.c (eh_outer_context): Expand masking operation using
2110 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
2112 * alpha.md (floatdisf2-1): New pattern.
2114 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2116 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2117 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
2118 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
2119 * gcc.texi: Note that if you define sys_siglist that you should
2120 also define SYS_SIGLIST_DECLARED.
2122 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
2123 are relative to the next instruction, not the current instruction.
2125 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
2127 * local-alloc.c (contains_replace_regs): New function.
2128 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2129 verify that there is no existing REG_EQUIV note, and add a call to
2130 contains_place_regs.
2132 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2134 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
2135 (STARTFILE_SPEC): Always use crtbegin.o%s
2136 (ENDFILE_SPEC): Always use crtend.o%s.
2138 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
2140 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2142 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2143 SFmode for 64 bit hosts.
2145 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
2147 * fixincludes: Permits spaces between # and define. Discard C++
2148 comments in sys/pci.h on HP/UX 10.20.
2150 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
2152 * version.c: Bump for snapshot.
2154 * pa.c (restore_unscaled_index_insn_codes): New function.
2155 (record_unscaled_index_insn_codes): Likewise.
2156 (output_function_prologue): Call restore_unscaled_index_insn_codes.
2157 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
2158 (pa_reorg): Call record_unscaled_index_insn_codes.
2160 * haifa-sched.c (move_insn): Handle notes correctly for insns
2161 with SCHED_GROUP_P set.
2163 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2165 * alpha/xm-linux.h (USE_BFD): Undef before define.
2167 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
2169 * cse.c (cse_insn): Don't record BLKmode values.
2171 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
2173 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
2175 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
2177 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2178 * collect2.c (sys_errlist): Likewise.
2179 * cpplib.c (sys_errlist): Likewise.
2180 * gcc.c (sys_errlist): Likewise.
2181 * protoize (sys_errlist): Likewise.
2182 * configure.in: Check for strerror.
2183 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2184 * xm-gnu.h (HAVE_STRERROR): Likewise.
2185 * xm-linux.h (HAVE_STRERROR): Likewise.
2186 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2187 * xm-bsd386.h (HAVE_STRERROR): Likewise.
2188 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
2189 * xm-dos.h (HAVE_STRERROR): Likewise.
2190 * xm-mingw32.h (HAVE_STRERROR): Likewise.
2191 * xm-pa.h (HAVE_STRERROR): Likewise.
2192 * xm-papro.h (HAVE_STRERROR): Likewise.
2193 * xm-sysv4.h (HAVE_STRERROR): Likewise.
2194 * configure, config.in: Rebuilt.
2196 * Makefile.in: Add several missing "else true" clauses.
2198 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
2199 * mips-tfile.c: Likewise.
2200 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
2201 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
2202 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
2203 * configure.in: Check for sys_siglist declaration.
2204 * configure, config.in: Rebuilt.
2206 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
2208 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
2209 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
2210 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
2211 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
2212 * rs6000/sysv4.h (extra_subtarget_switches): Added new
2213 macro EXTRA_SUBTARGET_SWITCHES.
2214 * configure.in (sh*-*-rtems*): New target.
2215 * sh/rtems.h: New file.
2216 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
2217 * configure: Rebuilt.
2219 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
2221 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2223 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
2225 * rs6000.md: Make DF fused-add operations pay attention to
2228 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
2230 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
2232 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
2234 * pa.md (reload_peepholes): Make sure operand is a REG before
2235 examining REGNO. Allow general registers too.
2237 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
2239 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2241 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
2243 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
2244 to reallocate abbrev_die_table.
2246 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
2248 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
2250 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2252 * Makefile.in (config.status): Depend on version.c
2254 * expr.h (insn_gen_function): Reenable prototype.
2256 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
2259 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
2261 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2263 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
2265 * version.c: Bump for latest snapshot.
2267 * bc-optab.c: Conditionally include stdlib.h.
2268 (free): Provide a declaration if NEED_DECLARATION_FREE.
2269 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
2270 * rtl.h (free): Remove declaration.
2271 * tree.h (free): Remvoe declaration.
2273 * configure: Rebuilt.
2275 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
2277 * flags.h (flag_move_all_movables): Declare.
2278 (flag_reduce_all_givs): Likewise.
2279 * loop.c (move_movables): Handle flag_move_all_movables.
2280 (strength_reduce): Handle flag_reduce_all_givs.
2281 * toplev.c (flag_move_all_movables): Define.
2282 (flag_reduce_all_givs): Likewise.
2283 (f_options): Add -fmove-all-movables and -freduce-all-givs.
2284 * invoke.texi: Document new options, including alias stuff that
2285 wasn't included last time.
2287 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
2289 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
2292 * t-vxworks68: Ditto.
2293 * t-vxworks960: Ditto.
2296 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
2298 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
2299 if not already defined, and USE_C_ALLOCA not defined.
2301 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
2303 * config.guess: Replace with script that uses ../config.guess.
2305 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
2306 if USE_GNULIBC_1 is not defined.
2308 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
2310 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
2311 * config.guess: Recognize alpha-linux-gnulibc1.
2312 * configure.in (alpha-*-linux-gnulibc1): New target.
2313 (alpha-*-linux-gnu*): Don't build crtbegin/end.
2315 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
2317 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
2320 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
2322 * loop.c (combine_movables): Earlier insns don't match later ones.
2324 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2326 * config/linux.h (CC1_SPEC): Define it only if not defined.
2328 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
2331 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
2332 USE_GNULIBC_1 is not defined.
2334 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
2336 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
2337 as 1 if USE_GNULIBC_1 is not defined.
2339 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
2341 * reorg.c (dbr_schedule): Allow current_function_return_rtx
2342 to be something other than a REG.
2343 * function.c (expand_function_end): Fix current_function_return_rtx
2346 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
2347 * x-netbsd: Likewise
2348 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
2349 (INSTALL_HEADERS): Delete.
2350 * x-dguxbcs: Likewise.
2351 * x-hp3bsd44: Likewise
2354 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2356 * i386.md (pop): pop increments the stack pointer.
2357 (prologue_set_stack_ptr): New pattern.
2358 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
2361 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
2363 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
2364 address where an offsettable address is required.
2366 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
2368 * loop.c (check_final_value): Don't miss a biv increment in a
2371 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2373 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2374 TYPE_DECL_IS_STUB instead of DECL_NAME.
2376 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2378 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2380 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2382 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2384 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2386 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2387 (find_post_sched_live): Likewise.
2389 * haifa-sched.c (schedule_block): Remove old code to get arguments
2390 from hard regs into pseudos early.
2392 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2394 * version.c: Bump for new snapshot.
2396 * local-alloc.c (update_equiv_regs): All the target to reject
2397 promotion of some REG_EQUAL to REG_EQUIV notes.
2398 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2400 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2403 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2404 store of the argument registers.
2406 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2408 * fold-const.c (multiple_of_p): New function.
2409 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2411 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2413 * expr.h (insn_gen_function): Temporarily remove prototype.
2415 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2417 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2418 filenames. Use sed to extract base filename for install.
2420 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2422 * unroll.c (find_splittable_givs): Only share if two givs have the
2423 same add and multiply values.
2425 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2427 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2428 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2430 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2432 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2433 around branch tables.
2434 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2435 and .end_brtab directives if TARGET_GAS.
2437 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2439 * alias.c (true_dependence): Pass x_addr not x to varies.
2441 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2442 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2443 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2445 * config.in, configure: Regenerate.
2447 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2449 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2451 (record_set): Handle LO_SUM like PLUS.
2452 (init_alias_analysis): When following chains of base addresses,
2453 do not stop on reaching a hard register.
2455 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2457 * version.c: Bump for new snapshot.
2459 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2461 * alpha.h (ARCH_ASM_FILE_START): Define.
2462 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2463 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2465 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2467 * Makefile.in (install-common): Put gcov comment at start of line.
2469 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2471 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2472 array, simplify entries for hard registers too.
2474 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2476 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2479 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2481 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2482 block_stack before dereferencing it.
2484 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2486 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2488 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2490 * cplus-dem.c: Add 'extern' to prepends_underscore.
2492 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2494 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2495 (get_issue_rate): Delete.
2496 * pa.h (ISSUE_RATE): Define.
2498 * configure.in: Turn on haifa by default for the PA.
2499 * configure: Rebuilt.
2500 * pa.c (override_options): Accept -mschedule=7200 option.
2501 (pa_adjust_cost): No longer need to scale costs for newer
2503 * pa.h (enum processor_type): Add PROCESSOR_7200.
2504 * pa.md: Revamp scheduling parameters to work better with
2505 haifa. Add scheduling parameters for the 7200.
2507 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2509 (schedule_block): When adjusting basic_block_{head,end}, account
2510 for movement of SCHED_GROUP_P insns too.
2512 * haifa-sched.c (debug_dependencies): Fix thinko.
2514 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2515 (site.exp, check, check-g++, check-gcc): New targets.
2517 * haifa-sched.c: Make lots of variables static.
2519 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2521 * expr.h, real.h: Finish prototyping.
2523 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2525 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2526 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2527 * reload1.c: Undo bugfix from Aug 11.
2529 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2531 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2532 quotes around the name.
2533 * configure: Regenerate.
2535 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2537 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2539 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2541 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2542 to sub-makes to avoid building more passes than the user might have
2543 requested on the command line.
2545 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2547 * configure.in: Expurgate `broken_install' (install is
2550 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2553 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2555 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2556 functions and declarations.
2557 (analyze_loop_iterations): Use condjump_p.
2558 (insert_bct): Likewise. Use exact_log2.
2560 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2562 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2563 (schedule_region): Likewise.
2564 (schedule_insns): Likewise.
2566 * PROJECTS: Update with Haifa stuff.
2568 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
2570 * version.c: Change the version string to look like:
2571 egcs-2.90.00 970814 (gcc2-970802 experimental).
2573 * loop.c (is_conditional_branch): Make definition match declaration.
2575 * gcc.c: Take out experimental snapshot warning message.
2577 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
2579 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
2580 print out the names of the notes. Print out the name of the insn
2581 that is not a note, and not an {,CALL_,JUMP_}INSN.
2583 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2585 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2586 again for the slot after we give it RTL.
2588 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
2590 * configure.in (haifa configury): Fix typo.
2591 * configure: Regenerate.
2593 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
2595 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
2597 * gcc.info*: Rebuilt.
2599 * COPYING.g77, README.g77: New files.
2600 * real.c (ereal_unto_float, ereal_unto_double): New functions.
2601 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
2602 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
2604 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
2606 * Integrate Haifa instruction scheduler.
2607 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
2608 to sched with $(SCHED_CFLAGS.
2609 * configure.in: Handle --enable-haifa.
2610 * configure: Rebuilt.
2611 * flags.h: Add new flags for haifa instruction scheduler.
2612 * genattrtab.c (expand_units): For haifa, don't subtract one
2613 when computing blockage.
2614 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
2615 (flag_schedule_speculative): Ditto.
2616 (flag_schedule_speculative_load): Ditto.
2617 (flag_schedule_speculative_load_dangerous): Ditto.
2618 (flag_schedule_reverse_before_reload): Ditto.
2619 (flag_schedule_reverse_after_reload): Ditto.
2620 (flag_branch_on_count_reg): Ditto.
2621 (f_options): Add Haifa switches.
2622 (main): Turn off some Haifa options if appropriate macro is
2623 defined. Process Haifa switches.
2624 * unroll.c (iteration_info): No longer static, since Haifa
2626 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
2627 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
2628 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
2629 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
2630 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
2631 storage for the Haifa scheduler.
2632 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
2634 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
2635 are defined, call analyze_loop_iterations and insert_bct to use
2637 (record_giv): Refine test for jumps out of loops if HAIFA is
2639 (analyze_loop_iterations): New function to identify if we can use
2641 (insert_bct): Insert countdown loop.
2642 (instrument_loop_bct): Low level code to insert countdown loop.
2643 (loop_number): Calculate UID of loop.
2644 (indirect_jump_in_function_p): Return true if an indirect jump is
2646 (is_power_of_2): Return true if value is a power of 2.
2647 (is_conditional_branch): Return true if insn is a conditional
2649 (fix_bct_param): Process -fbct-{min,max}-N switches.
2650 (check_bct_param): Return true if loop should be instrumented.
2651 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
2652 (loop_optimize): Initialize.
2653 (get_condition_for_loop): Ditto.
2654 * loop.c (strength_reduce): Inside of code that uses #ifdef
2655 HAVE_decrement_and_branch_on_count code, test it to make sure the
2657 (instrument_loop_bct): Ditto.
2658 * haifa-sched.c: New file.
2661 * Integrate regmove pass.
2662 * Makefile.in (OBJS): Add regmove.o
2663 (regmove.o): Add dependencies.
2664 * flow.c (find_use_as_address): No longer static.
2665 * rtl.h (find_use_as_address): Declare.
2666 * toplev.c (regmove_dump, flag_regmove): Define.
2667 (f_options): Add -fregmove.
2668 (regmove_dump_file, regmove_time): Define.
2669 (fatal_insn): Close the regmove dump file.
2670 (compile_file): Initialize regmove_time; open/close the regmove dump
2671 file as needed. Print regmove time as needed.
2672 (rest_of_compilation): Run regmove pass if requested, dump
2673 RTL after regmove if requested.
2674 (main): If -O2 or more, turn on regmove. Handle dump switches.
2675 * regmove.c: New file.
2677 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
2679 * Integrate tlink patch from jason@cygnus.com
2680 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
2681 (process_command): Increment n_switches for them. Don't discard
2682 their args. Validate them.
2683 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
2685 (process_command): Set include_prefixes from COMPILER_PATH.
2686 (main): Set COLLECT_GCC_OPTIONS sooner.
2687 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
2688 * tlink.c, hash.c, hash.h: New files.
2689 * Makefile.in (USE_COLLECT2): Always use collect2.
2690 (collect2): Depend on and link in hash.o and tlink.o.
2691 (tlink.o, hash.o): Add dependencies.
2693 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
2695 * Integrate alias analysis changes from jfc@mit.edu
2696 * Makefile.in (OBJS): Add alias.o
2697 (alias.o): Add dependencies.
2698 * alias.c: New file.
2699 * sched.c: Remove alias analysis code. It lives in alias.c now.
2700 (sched_analyze_2): Add new arguments to true_dependence.
2701 (schedule_insns): Always call init_alias_analysis.
2702 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
2703 mark return value from such functions as a pointer and keep track of
2704 them for alias analysis. If a return value from a function is a
2705 pointer, mark it as such.
2706 * combine.c (distribute_notes): Handle REG_NOALIAS.
2707 * cse.c (struct write_data): Delete. No longer needed.
2708 (invalidate): Don't call set_nonvarying_address_components anymore.
2709 Use true_dependence to decide if an entry should be removed from
2711 (invalidate_memory): Remove WRITES argument, simplify appropriately.
2713 (note_mem_written): Similarly for WRITE_PTR argument.
2714 (invalidate_from_clobbers): Similarly for W argument.
2715 (invalidate_for_call): Remove memory elements from the hash table.
2716 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
2717 (cse_rtx_varies_p): New function. Derived from old
2718 cse_rtx_addr_varies_p.
2719 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
2720 Don't call note_mem_written anymore. Stack pushes invalidate the stack
2721 pointer if PUSH_ROUNDING is defined. No longer need to call
2722 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
2723 (skipped_writes_memory): Remove variable.
2724 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
2725 (invalidate_skipped_block): Simplify for new alias analysis code.
2726 (cse_set_around_loop): Likewise.
2727 (cse_main): Call init_alias_analysis.
2728 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
2729 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
2730 (f_options): Add new alias checking arguments.
2731 (main): Set flag_alias_check when optimizing.
2732 * local_alloc (validate_equiv_mem_from_store): Add new arguments
2734 (memref_referenced_p): Likewise.
2735 * loop.c (NUM_STORES): Increase to 30.
2736 (prescan_loop): Only non-constant calls set unknown_address_altered.
2737 (invariant_p): Add new arguments to true_dependence.
2738 (record_giv): Initialize unrolled and shared fields.
2739 (emit_iv_add_mult): Call record_base_value as needed.
2740 * loop.h (struct induction): Add unrolled and shared fields.
2741 * unroll.c (unroll_loop): Call record_base_value as needed.
2742 (copy_loop_body): Likewise.
2743 (final_biv_value): Likewise.
2744 (final_giv_value): Likewise.
2745 (find_splittable_regs): Likewise. Only create one new pseudo
2746 if we have multiple address GIVs that were combined with the same
2747 dst_reg GIV. Note when a new register is created due to unrolling.
2748 * rtl.c (reg_note_name): Add REG_NOALIAS.
2749 * rtl.h (enum reg_note): Similarly.
2750 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
2751 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
2752 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
2753 (true_dependence, read_dependence, anti_dependence): Likewise.
2754 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
2755 (mark_user_reg, mark_reg_pointer): Likewise.
2758 * Integrate reload bugfix from Wilon which enables the PA port
2760 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
2761 OPERAND_ADDRESS when computing how many registers an insn needs.
2762 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
2764 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
2766 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
2767 in reload_reg_use_in_op_addr do not reach the end.
2768 do not reach the end.
2769 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
2770 RELOAD_FOR_OPERAND_ADDRESS.
2772 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
2774 * egcs project officially starts.