1 Sun Jun 21 01:16:38 1998 John Wehle (john@feith.com)
3 * i386.c (output_fp_conditional_move): Don't bother handling
4 (cc_prev_status.flags && CC_NO_OVERFLOW) since the INSN patterns
5 prevent this from happening.
7 * i386.md (nonlocal_goto_receiver): Delete.
9 Sun Jun 21 00:42:20 1998 H.J. Lu (hjl@gnu.org)
11 * flow.c (allocate_for_life_analysis, init_regset_vector):
14 * function.h (get_first_block_beg): New declaration.
16 * gbl-ctors.h (__do_global_dtors): Add prototype.
18 * gcov-io.h (__fetch_long): New declaration.
19 (__store_long): Likewise.
20 (__read_long): Likewise.
21 (__write_long): Likewise.
23 * gcov.c (print_usage): New declaration.
25 * Makefile.in (c-iterate.o): Depend on insn-codes.h too.
27 Sat Jun 20 00:36:16 1998 Jeffrey A Law (law@cygnus.com)
29 * calls.c (expand_call): Initialize "src" and "dest".
30 * stmt.c (expand_return): Likewise.
31 * expmed.c (extract_split_bit_field): Similarly for "result"
32 * gcse.c (compute_hash_table): Mark first arg as unused.
33 * jump.c (jump_optimize): Initialize reversep.
34 * tree.c (make_node): Initialize length.
36 * c-common.c (check_format_info): Initialize length_char and
37 fci to keep -Wall quiet.
39 * except.c (jumpif_rtx): Put declaration and definition
40 inside a suitable #ifdef.
41 (jumpifnot_rtx): Delete dead function.
43 * i386.h (output_int_conditional_move): Declare.
44 (output_fp_conditional_move): Likewise.
45 (ix86_can_use_return_insn_p): Likewise.
47 * optabs.c (init_traps): Put prototype inside a suitable #ifdef.
49 Sat Jun 20 00:27:40 1998 Graham <grahams@rcp.co.uk>
51 * alias.c: Include toplev.h
52 * caller-save.c: Include toplev.h
53 * combine.c: Include toplev.h
54 * flow.c Include toplev.h
55 * global.c: Include toplev.h
56 * jump.c: Include toplev.h
57 * local-alloc.c: Include toplev.h
58 * loop.c: Include toplev.h
59 * regmove.c: Include toplev.h
60 * stupid.c: Include toplev.h
61 * unroll.c: Include toplev.h
62 * Makefile.in: Add toplev.h dependencies.
64 Fri Jun 19 22:40:25 1998 Jason Merrill <jason@yorick.cygnus.com>
66 * regmove.c (copy_src_to_dest): Add decl for loop_depth.
68 * svr4.h (ASM_GENERATE_INTERNAL_LABEL): Cast arg to unsigned.
69 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA1): Likewise.
70 Add parens to various macros.
72 Fri Jun 19 23:22:42 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
74 * c-typeck.c (pop_init_level): Warn about implicit zero initialization
77 Fri Jun 19 23:06:33 1998 Jason Merrill <jason@yorick.cygnus.com>
79 * varasm.c (assemble_start_function): Add weak_global_object_name.
80 * tree.c (get_file_function_name): Use it.
82 Fri Jun 19 22:55:14 1998 Jeffrey A Law (law@cygnus.com)
84 * except.c (jumpif_rtx): Make static and add prototype.
85 (jumpifnot_rtx): Likewise.
87 * README.gnat: Add a build patch from Fred Fish.
89 * c-lang.c (GNU_xref_begin, GNU_xref_end): Deleted.
91 * Makefile.in (c-iterate.o): Depend on expr.h.
93 Fri Jun 19 20:38:34 1998 H.J. Lu (hjl@gnu.org)
95 * except.h (emit_unwinder, end_eh_unwinder): Removed.
97 * dwarfout.c (getpwd): Add prototype.
98 (is_pseudo_reg, type_main_variant, is_tagged_type,
99 is_redundant_typedef): New declaration.
100 (output_decl): Add prototype for FUNC.
101 (type_main_variant): Make it static.
102 (is_tagged_type): Likewise.
103 (is_redundant_typedef): Likewise.
105 * expr.c (do_jump_by_parts_greater_rtx): Removed.
106 (truthvalue_conversion): Likewise.
108 * c-iterate.c: Include "expr.h".
109 (expand_expr): Use proper values when calling the function.
111 * explow.c (emit_stack_save): Add prototype for FCN.
112 (emit_stack_restore): Likewise.
114 * dwarf2out.c (getpwd): Add prototype.
116 * dwarf2out.h (debug_dwarf, debug_dwarf_die): New declarations.
118 * c-typeck.c (c_expand_asm_operands): Use proper values when calling
121 * c-lex.c (yyprint): Add prototype.
122 (check_newline, build_objc_string): Remove declaration.
124 * c-tree.h (comptypes_record_hook): Removed.
125 (finish_incomplete_decl): New prototype.
127 * alias.c (find_base_value): Add prototype.
128 (true_dependence): Add prototype for function argument.
130 * c-aux-info.c (xmalloc): Remove declaration.
132 Fri Jun 19 20:23:05 1998 Robert Lipe <robertl@dgii.com>
134 * i386.c: Include system.h. Remove redundant includes.
135 (optimization_options): Mark param 'size' with ATTRIBUTE_UNUSED.
136 (i386_cc_probably_useless_p): Likewise for 'decl', 'attributes',
137 'identifier', 'args'.
138 (i386_valid_type_attribute_p): Likewise for 'attributes'.
139 (i386_comp_type_attribute_p): Likewise for 'type1', 'type2'.
140 (function_arg_partial_nregs): Likewise for 'cum', 'mode', 'type',
142 (symbolic_operand): Likewise for 'mode'.
143 (call_insn_operand): Likewise.
144 (expander_call_insn_operand): Likewise.
145 (ix86_logical_operator): Likewise.
146 (ix86_binary_operator_ok): Likewise.
147 (emit_pic_move): Likewise.
148 (VOIDmode_compare_op): Likewise.
150 (str_immediate_operand): Likewise.
151 (ix86_uary_operator_ok): Likewise for 'code', 'mode', and 'operands'.yy
152 (asm_output_function_prefix): Likewise for 'name'.
153 (function_prologue): Likewise for 'file', and 'size'.
154 (function_epilogue): Likewise.
156 1998-06-19 Jim Wilson <wilson@cygnus.com>
158 * loop.h (struct induction): Clarify comment for unrolled field.
159 * unroll.c (find_splittable_givs): Move set of unrolled field
160 after address validity check.
162 Fri Jun 19 18:38:04 1998 Michael Meissner <meissner@cygnus.com>
164 * config/fp-bit.c (INLINE): Only define if not already defined.
166 1998-06-19 Manfred Hollstein <manfred@s-direktnet.de>
168 * Makefile.in (installdirs): Loop over directories in $(libsubdir)
169 creating probably missing ones, instead of single if statements.
171 Fri Jun 19 10:43:52 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
173 * c-common.c (truthvalue_conversion): Protect side effects in the
174 expression when splitting a complex value.
175 * fold-const.c (fold): Likewise.
177 Fri Jun 19 02:31:16 1998 Klaus Kaempf (kkaempf@progis.de)
179 * cccp.c (hack_vms_include_specification): rewrite to handle
180 '#include <dir/file.h>' correctly.
182 Fri Jun 19 02:24:11 1998 H.J. Lu (hjl@gnu.org)
184 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Defined.
186 Fri Jun 19 02:10:10 1998 John Wehle (john@feith.com)
188 * i386.c (notice_update_cc): Integer conditional moves don't
191 * i386.md (movsfcc, movdfcc, movxfcc): Use emit_store_flag
192 to support LT, LE, GE, and GT signed integer comparisons.
193 (movsfcc+1, movsfcc+2, movdfcc+1, movdfcc+2,
194 movxfcc+1, movxfcc+2): Pattern doesn't match if the comparison
195 is LT, LE, GE, or GT.
196 (movdicc): Remove code resulting from an earlier patch which
197 didn't apply correctly.
199 Fri Jun 19 02:00:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
201 * reload1.c (reload_cse_regno_equal_p): If -ffloat-store, don't
202 consider a MEM in FP mode as equal.
204 Fri Jun 19 01:02:17 1998 Jeffrey A Law (law@cygnus.com)
206 * c-decl.c (duplicate_decls): Avoid setting TREE_ASM_WRITTEN for
207 duplicate declarations of a function.
209 Fri Jun 19 00:33:33 1998 H.J. Lu (hjl@gnu.org)
211 * config/float-i386.h: New.
213 * configure.in (i[34567]86-*-linux-*): Set float_format to i386.
215 Thu Jun 18 20:11:00 1998 Jim Wilson <wilson@cygnus.com>
217 * sched.c (schedule_insns): Use xmalloc not alloca for max_uid
218 indexed arrays. Call free at the end of the function for them.
219 * haifa-sched.c (schedule_insns): Likewise.
221 Thu Jun 18 18:16:01 1998 Jim Wilson <wilson@cygnus.com>
223 * dwarf2out.c (size_of_string): Do count backslashes.
225 Thu Jun 18 11:43:54 1998 Nick Clifton <nickc@cygnus.com>
227 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow REG+REG
228 addressing when one register is the frame pointer or stack
229 pointer. Disallow REG+CONST addressing in HI mode.
231 Thu Jun 18 17:30:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
233 * reload.c (find_reloads): Don't narrow scope of RELOAD_OTHER to
236 Thu Jun 18 09:36:50 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
238 * Makefile.in (c-lang.o): Depend on output.h.
240 * c-lang.c: Include output.h.
242 * sparc.c (sparc_builtin_saveregs): Remove unused variable `fntype'.
244 * except.c (expand_builtin_eh_stub): Likewise for variable `jump_to'.
246 * genrecog.c (write_subroutine): When writing insn-recog.c, mark
247 variables `insn', `pnum_clobbers', `x[0 .. max_depth]' and `tem'
248 with ATTRIBUTE_UNUSED.
250 * regmove.c (copy_src_to_dest): Make function static to match its
253 * reload1.c Include hard-reg-set.h before rtl.h to get macro
254 HARD_CONST. Include machmode.h before hard-reg-set.h.
256 * rtl.h: Prototype `retry_global_alloc' and wrap with macro
257 HARD_CONST to protect usage of typedef HARD_REG_SET.
259 * tree.c: Prototype `_obstack_allocated_p'.
261 * varasm.c: Wrap prototype of `asm_output_aligned_bss' in macro
264 Thu Jun 18 09:20:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
266 * pa.c: Include system.h and toplev.h. Remove redundant code.
267 (call_operand_address): Mark parameter `mode' with ATTRIBUTE_UNUSED.
268 (symbolic_operand): Likewise.
269 (symbolic_memory_operand): Likewise.
270 (pic_label_operand): Likewise.
271 (fp_reg_operand): Likewise.
272 (pre_cint_operand): Likewise.
273 (post_cint_operand): Likewise.
274 (ireg_or_int5_operand): Likewise.
275 (int5_operand): Likewise.
276 (uint5_operand): Likewise.
277 (int11_operand): Likewise.
278 (uint32_operand): Likewise.
279 (ior_operand): Likewise.
280 (lhs_lshift_cint_operand): Likewise.
281 (pc_or_label_operand): Likewise.
282 (legitimize_pic_address): Likewise.
283 (hppa_legitimize_address): Likewise for parameter `old'.
284 (output_block_move): Likewise for parameter `size_is_constant'.
285 (output_function_prologue): Likewise for parameter `size'.
286 (output_function_epilogue): Likewise.
287 (return_addr_rtx): Likewise for parameter `count'.
288 (output_mul_insn): Likewise for parameter `unsignedp'.
289 (hppa_builtin_saveregs): Likewise for parameter `arglist'.
290 (output_bb): Likewise for parameter `operands'.
291 (output_bvb): Likewise.
292 (function_label_operand): Likewise for parameter `mode'.
293 (plus_xor_ior_operator): Likewise.
294 (shadd_operand): Likewise.
295 (non_hard_reg_operand): Likewise.
296 (eq_neq_comparison_operator): Likewise.
297 (movb_comparison_operator): Likewise.
298 (pa_combine_instructions): Likewise for parameter `insns'.
300 * pa.h: Add prototypes for functions `output_deferred_plabels',
301 `override_options', `output_ascii', `output_function_prologue',
302 `output_function_epilogue', `print_operand',
303 `symbolic_expression_p', `reloc_needed', `compute_frame_size',
304 `hppa_address_cost', `and_mask_p', `symbolic_memory_operand',
305 `pa_adjust_cost', `pa_adjust_insn_length' and
306 `secondary_reload_class'.
308 Wed Jun 17 22:28:48 1998 Jason Merrill <jason@yorick.cygnus.com>
310 * configure.in: Don't turn on collect2 unconditionally.
312 Wed Jun 17 20:20:48 1998 Mark Mitchell <mark@markmitchell.com>
314 * cse.c (cse_basic_block): Don't include NOTE insns in the count
315 that is used to decide whether or not it is time to erase the
318 Wed Jun 17 18:30:43 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
320 * rs6000/linux.h (JUMP_TABLES_IN_TEXT_SECTION): Define to zero.
322 Wed Jun 17 19:05:03 1998 John Carr <jfc@mit.edu>
324 * haifa-sched.c (haifa_classify_insn): TRAP_IF is risky.
325 (sched_analyze_2): Allow scheduling TRAP_IF.
327 * reorg.c (mark_referenced_resources): Examine operands of TRAP_IF.
329 * rtl.h (TRAP_CODE): New macro.
331 * rtl.def (TRAP_IF): Change second operand type to rtx.
333 * optabs.c (gen_cond_trap): New function.
334 (init_traps): New function.
335 (init_optabs): Call init_traps.
336 * expr.h: Declare gen_cond_trap.
338 * jump.c (jump_optimize): Optimize jumps to and around traps.
340 * sparc.md: Define trap instructions.
342 * rs6000.md: Define trap instructions.
343 * rs6000.c (print_operand): New code 'V' for trap condition.
344 (trap_comparison_operator): New function.
346 * m88k.md: Update use of TRAP_IF.
348 * tree.h (enum built_in_function): New function code BUILT_IN_TRAP.
349 * c-decl.c (init_decl_processing): New builtin __builtin_trap.
350 * expr.c (expand_builtin): Handle BUILT_IN_TRAP.
352 * expr.c (expand_builtin): Error if __builtin_longjmp second argument
355 Wed Jun 17 15:20:00 PDT 1998 Catherine Moore <clm@cygnus.com>
357 * reload1.c (spill_hard_reg): Check mode of register when
358 spilling from scratch_list.
360 Wed Jun 17 16:25:38 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
362 * except.c (add_new_handler): fix bug in finding last region handler.
363 * libgcc2.c (find_exception_handler): Pass exception table pointer
364 to runtime type matcher, not the match info field.
366 Wed Jun 17 15:57:48 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
368 * eh-common.h (struct eh_context): Add comment for hidden use of
369 field dynamic_handler_chain.
370 * except.c (get_dynamic_handler_chain): Comment on, and use the
371 correct offset of the dynamic_handler_chain field.
373 1998-06-17 12:46:56 1998 Jim Wilson <wilson@cygnus.com>
375 * mips/iris6.h (LINK_SPEC): Add -woff 131.
377 1998-06-17 Jason Merrill <jason@yorick.cygnus.com>
379 * dwarf2out.c: Disable EH_FRAME_SECTION if we don't have .init.
381 * configure.in: Don't disable collect2 when we have GNU ld.
383 Wed Jun 17 08:38:13 1998 Jeffrey A Law (law@cygnus.com)
385 * fold-const.c (make_range): Do not widen the type of the expression.
387 * expr.c (check_max_integer_computation_mode): New function.
388 (expand_expr): Avoid integer computations in modes wider than
389 MAX_INTEGER_COMPUTATION_MODE.
390 * fold-const.c (fold): Likewise.
391 * tree.h (check_max_integer_computation_mode): Declare.
392 * tm.texi (MAX_INTEGER_COMPUTATION_MODE): Document it.
394 * configure.in (nm): Make a link to "nm" in the build tree too.
396 * mn10300.md (andsi3): Fix typo.
398 Tue Jun 16 22:58:40 1998 Richard Henderson <rth@cygnus.com>
400 * reload1.c (reload_cse_regs): Call bzero instead of looping.
402 Tue Jun 16 18:30:35 1998 Jim Wilson <wilson@cygnus.com>
404 * dwarf2out.c (stripattributes): Prepend '*' to the section name.
406 Tue Jun 16 16:49:26 1998 Richard Henderson <rth@cygnus.com>
408 * alpha.c (alpha_expand_prologue, alpha_expand_epilogue): New fns.
409 (output_prologue, output_epilogue): Merge VMS and OSF versions;
410 Remove anything related to the actual code generation.
411 (output_end_prologue): New function.
412 (alpha_sa_mask, alpha_sa_size): Merge VMS and OSF versions.
413 (alpha_does_function_need_gp): Return false for VMS.
414 (alpha_function_needs_gp): Make static.
415 (add_long_const): Delete.
416 (summarize_insn): Don't assume a SUBREG is of a REG.
417 Prototype all static functions. Rename VMS-specific global
419 * alpha.h (TARGET_CAN_FAULT_IN_PROLOGUE): Default to 0.
420 (FUNCTION_BOUNDARY): Align to cache line.
421 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER): Align to octaword.
422 (FUNCTION_END_PROLOGUE): New macro.
423 * alpha.md (attribute length): New. Mark all insns.
424 (return_internal, prologue_stack_probe_loop) New patterns.
425 (prologue, init_fp, epilogue): New patterns.
427 * linux.h (TARGET_CAN_FAULT_IN_PROLOGUE): Define.
429 Tue Jun 16 17:36:35 1998 Dave Brolley <brolley@cygnus.com>
431 * toplev.c (lang_options): Add -trigraphs option for cpplib.
433 Tue Jun 16 23:33:24 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
435 * reload1.c (reload_reg_free_before_p): RELOAD_FOR_OUTADDR_ADDRESS
436 is earlier than RELOAD_FOR_OUTPUT_ADDRESS; RELOAD_FOR_INPADDR_ADDRESS
437 is earlier than RELOAD_FOR_INPUT_ADDRESS.
439 Tue Jun 16 13:15:16 1998 Jim Wilson <wilson@cygnus.com>
441 * libgcc1-test.c (memcpy): Define.
443 Tue Jun 16 13:44:02 1998 Michael Meissner <meissner@cygnus.com>
445 * genattrtab.c (struct attr_desc): Change int flags to bit
446 fields. Add bit fields for this being function_units_used
447 or *_blockage_range attributes.
448 (write_unit_name): New function to print a function unit name
450 (expand_units): Indicate whether this is function_units_used or
451 *_blockage_range attributes.
452 (write_toplevel_expr): Print function_units_used and
453 *_blockage_range attributes in a more friendly fashion.
454 (make_internal_attr): Indicate whether this attribute is either
455 function_units_used or *_blockage_range.
457 Mon Jun 15 17:06:43 1998 Michael Meissner <meissner@cygnus.com>
458 Jim Wilson <wilson@cygnus.com>
460 * regmove.c (copy_src_to_dest): Do not copy src to dest if either
461 the source or destination is special.
463 Mon Jun 15 13:20:33 1998 Jim Wilson <wilson@cygnus.com>
465 * c-decl.c (shadow_tag_warned): Use specs not declspecs in for loop.
467 Mon Jun 15 07:16:29 PDT 1998 Jeff Law (law@cygnus.com)
469 * version.c: Bump for snapshot.
471 Sat Jun 13 13:10:40 1998 Krister Walfridsson <cato@df.lth.se>
473 * config/sparc/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Undefine before
476 Fri Jun 12 18:06:45 1998 Doug Evans <devans@egcs.cygnus.com>
478 * m32r/m32r.h (STARTFILE_SPEC): Delete crtsysc.o.
479 (ENDFILE_SPEC): Add -lgloss.
481 Fri Jun 12 14:57:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
483 * mips.c (small_int): Mark parameter `mode' with ATTRIBUTE_UNUSED.
484 (large_int): Likewise.
485 (pc_or_label_operand): Likewise.
486 (call_insn_operand): Likewise.
487 (consttable_operand): Likewise.
488 (m16_uimm3_b): Likewise.
489 (m16_simm4_1): Likewise.
490 (m16_nsimm4_1): Likewise.
491 (m16_simm5_1): Likewise.
492 (m16_nsimm5_1): Likewise.
493 (m16_uimm5_4): Likewise.
494 (m16_nuimm5_4): Likewise.
495 (m16_simm8_1): Likewise.
496 (m16_nsimm8_1): Likewise.
497 (m16_uimm8_1): Likewise.
498 (m16_nuimm8_1): Likewise.
499 (m16_uimm8_m1_1): Likewise.
500 (m16_uimm8_4): Likewise.
501 (m16_nuimm8_4): Likewise.
502 (m16_simm8_8): Likewise.
503 (m16_nsimm8_8): Likewise.
504 (m16_usym8_4): Likewise.
505 (m16_usym5_4): Likewise.
506 (mips_move_1word): Change type of variable `i' from int to size_t.
507 (mips_move_2words): Likewise.
508 (output_block_move): Mark parameter `libname' with ATTRIBUTE_UNUSED.
509 (function_arg_advance): Use HOST_PTR_PRINTF to print an address.
510 (function_arg): Likewise.
511 (function_arg_partial_nregs): Mark parameter `named' with
513 (override_options): Use ISDIGIT instead of isdigit.
514 (mips_output_external): Mark parameter `file' with ATTRIBUTE_UNUSED.
515 (final_prescan_insn): Likewise for parameters `opvec' and `noperands'.
516 (save_restore_insns): Cast HOST_WIDE_INT arguments passed to
517 function `fatal' to long before printing. Use
518 HOST_WIDE_INT_PRINT_DEC in fprintf. Both changes done several
519 times in this function.
520 (function_prologue): Mark parameter `size' with ATTRIBUTE_UNUSED.
521 (function_epilogue): Likewise for parameters `file' and `size'.
522 Print an int with "%d" not "%ld".
523 (mips_select_rtx_section): Mark parameter `x' with ATTRIBUTE_UNUSED.
524 (mips_function_value): Likewise for parameter `func'.
525 (function_arg_pass_by_reference): Likewise for parameters `cum'
527 (extend_operator): Likewise for parameter `mode'
528 (highpart_shift_operator): Likewise.
530 * mips.md (mul_acc_si): Remove unused variable `macc'.
532 Fri Jun 12 09:33:44 1998 Richard Henderson <rth@cygnus.com>
534 * fold-const.c (fold): Revert last change. It breaks constant
537 Fri Jun 12 10:23:36 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
539 * expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex
540 prevent operands from being evaluated twice.
542 Fri Jun 12 00:50:27 1998 Sergey Okhapkin <sos@prospect.com.ru>
544 * toplev.c (lang_options): Add -remap as a preprocessor option.
546 Fri Jun 12 00:30:32 1998 John Wehle (john@feith.com)
548 * i386.md (cmpsi_1, cmphi_1, cmpqi_1): Remove code
549 which set CC_REVERSED since reload should ensure that
550 the operands are already the correct type.
552 Thu Jun 11 17:14:15 1998 Jim Wilson <wilson@cygnus.com>
554 * except.c (expand_builtin_eh_stub): Call emit_move_insn rather than
557 Thu Jun 11 18:45:49 1998 David Edelsohn <edelsohn@mhpcc.edu>
559 * config/rs6000/x-aix43 (AR): Delete.
560 (AR_FOR_TARGET_FLAGS): Add -X32_64 here.
562 Thu Jun 11 16:19:17 1998 David W. Schuler <schuld@btv.ibm.com>
564 * config/i386/aix386ng.h (CPP_SPEC): Remove extraneous quote.
566 Thu Jun 11 12:40:27 1998 Jim Wilson <wilson@cygnus.com>
568 * mips.c (override_options): Replace word_mode with explicit
571 Thu Jun 11 14:50:02 1998 Michael Meissner <meissner@cygnus.com>
573 * regmove.c (regmove_optimize): If we can't replace the
574 destination in an insn that sets the source, generate an explicit
575 move of the source to the destination.
576 (copy_src_to_dest): New function.
577 (toplevel): Include basic-block.h
579 * Makefile.in (regmove.o): Add basic-block.h dependencies.
581 Thu Jun 11 10:30:09 1998 Dave Brolley <brolley@cygnus.com>
583 * toplev.c (lang_options): Add missing options (nostdinc, idirafter).
585 Wed Jun 10 23:39:32 1998 Mark Mitchell <mark@markmitchell.com>
587 * rtl.h (rtx_def): Improve documentation.
588 (MEM_IN_STRUCT_P): Likewise.
590 Wed Jun 10 23:23:17 1998 Graham <grahams@rcp.co.uk>
592 * c-decl.c (start_decl): Correct test for -Wmain.
594 * c-decl.c (grokdeclarator): Remove unused variable "last".
596 Wed Jun 10 14:52:27 1998 Jim Wilson <wilson@cygnus.com>
598 * expr.c (expand_builtin_setjmp): Store const1_rtx in target.
599 (expand_builtin_longjmp): Abort if value isn't const1_rtx.
600 Delete code storing value in static_chain_rtx.
601 (expand_builtin, case BUILT_IN_LONGJMP): Pass NULL_RTX for target
602 to second expand_expr call.
604 Wed Jun 10 13:08:41 1998 Mark Mitchell <mark@markmitchell.com>
606 * mips/mips.c: Remove -mabi=o32 and -mabi=n64.
608 Wed Jun 10 13:41:23 1998 Dave Brolley <brolley@cygnus.com>
610 * cppmain.c (fatal): New function.
611 * configure.in (cpp_main): New configuration variable.
612 * configure: Regenerated.
613 * Makefile.in (CCCP): Use a configuration variable to select basex
615 (cppmain$(exeext)): Add @extra_cpp_objs@.
617 Wed Jun 10 13:07:02 1998 Dave Brolley <brolley@cygnus.com>
619 * objc/objc-act.c: Add cpplib declarations.
620 (lang_decode_option): Initialize cpplib if necessary.
621 (lang_decode_option): New argc/argv interface.
622 * tree.h (lang_decode_option): New argc/argv interface.
623 * toplev.c (lang_options): Add cpp options.
624 (main): New interface for lang_decode_option.
625 * gcc.c (default_compilers): Don't call cpp for a cpplib-enabled C compiler
626 unless -E, -M or -MM is specified.
627 * cpplib.h (cpp_handle_option): New function.
628 * cpplib.c (cpp_handle_option): New function.
629 (cpp_handle_options): Now calls cpp_handle_option.
630 * c-tree.h (c_decode_option): New argc/argv interface.
631 * c-lex.c (init_parse): cpplib now initialized in c_decode_option.
632 * c-lang.c (lang_decode_option): New argc/argv interface.
633 * c-decl.c: Add cpplib declarations.
634 (c_decode_option): New argc/argv interface.
635 (c_decode_option): Call cpp_handle_option.
636 (c_decode_option): Now returns number of strings processed.
638 Wed Jun 10 09:47:13 1998 Richard Earnshaw (rearnsha@arm.com)
640 * unroll.c (verify_addresses): Use validate_replace_rtx to undo the
641 changes. Abort if the undo fails.
643 1998-06-10 Vladimir N. Makarov <vmakarov@cygnus.com>
645 * config/rs6000/rs6000.c (output_prolog): Change locations and
646 directions of saving and restoring arguments of main on the stack.
648 Wed Jun 10 08:56:27 1998 John Carr <jfc@mit.edu>
650 * reload1.c (reload_cse_simplify_operands): Do not call gen_rtx_REG
651 for each alternative. Do not replace a CONST_INT with a REG unless
654 Wed Jun 10 02:11:55 1998 Jeffrey A Law (law@cygnus.com)
656 * decl.c (init_decl_processing): Fix typo.
658 * mips.c (gpr_mode): New variable.
659 (override_options): Initialize gpr_mode.
660 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
661 determine size and offset of general purpose registers save slots.
662 (save_restore_insns, mips_expand_prologue): Similarly.
664 * reload.c (find_reloads_toplev): Use gen_lowpart common to convert
665 between constant representations when we have (SUBREG (REG)) with
666 REG equivalent to a constant.
668 Wed Jun 10 01:39:00 1998 Juha Sarlin <juha@c3l.tyreso.se>
670 * h8300.c (get_shift_alg): Add special cases for shifts of 8 and 24.
672 Tue Jun 9 22:05:34 1998 Richard Henderson <rth@cygnus.com>
674 * fold-const.c (fold): Even with otherwise constant trees, look for
675 opportunities to combine integer constants.
677 Wed Jun 3 23:41:24 EDT 1998 John Wehle (john@feith.com)
679 * i386.c (notice_update_cc): Clear cc_status.value2 in the
680 case of UNSPEC 5 (bsf).
682 * i386.md (movsfcc, movdfcc, movxfcc): The floating point
683 conditional move instructions don't support signed integer
686 Tue Jun 9 14:31:19 1998 Nick Clifton <nickc@cygnus.com>
688 * config/v850/t-v850 (TCFLAGS): Add assembler options to warn of
691 * config/v850/lib1funcs.asm (__return_interrupt): Use 'addi
692 16,sp,sp' ratehr than 'add 16,sp'. Patch courtesy of Biomedin
695 Tue Jun 9 16:23:13 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
697 * except.c (expand_start_catch): Rename to start_catch_handler.
698 (expand_end_catch): Delete function.
699 (expand_end_all_catch): Remove catch status that expand_end_catch
701 * except.h (expand_start_catch): Rename prototype.
702 (expand_end_catch): Delete prototype.
704 Tue Jun 9 12:57:32 1998 Mark Mitchell <mark@markmitchell.com>
706 * invoke.texi: Add documentation for -mips4 and -mabi=*.
708 Tue Jun 9 12:12:34 1998 Klaus Kaempf (kkaempf@progis.de)
710 * alpha/vms.h (EXTRA_SECTIONS): Add in_ctors and in_dtors.
711 (EXTRA_SECTION_FUNCTIONS): Add ctors_section and dtors_section.
712 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
714 Tue Jun 9 12:10:27 1998 John Carr <jfc@mit.edu>
716 * haifa-sched.c (update_flow_info): Use UNITS_PER_WORD, not MOVE_MAX,
717 as the threshold to permit splitting memory operations.
719 Tue Jun 9 12:36:16 1998 Jeffrey A Law (law@cygnus.com)
721 * mips.c (gpr_mode): New variable.
722 (override_options): Initialize gpr_mode.
723 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
724 determine size and offset of general purpose registers save slots.
725 (save_restore_insns, mips_expand_prologue): Similarly.
727 * Makefile.in (LIB2FUNCS_EH): Define. Just "_eh" for now.
728 (LIBGCC2_CFLAGS): Remove -fexceptions.
729 (LIB2FUNCS): Remove "_eh".
730 (libgcc2.a): Iterate over LIB2FUNCS_EH and build everything in
731 it with -fexceptions.
733 * Makefile.in (local-alloc.o): Depend on insn-attr.h.
734 * local-alloc.c (block_alloc): Avoid creating false
735 dependencies for targets which use instruction scheduling.
737 Tue Jun 9 02:40:49 1998 Richard Henderson <rth@cygnus.com>
739 * mips/elf.h (ASM_DECLARE_OBJECT_NAME): Define.
740 (ASM_FINISH_DECLARE_OBJECT): Define;
741 * mips/elf64.h: Likewise.
743 Tue Jun 9 01:08:47 1998 Richard Henderson <rth@cygnus.com>
745 * toplev.c (flag_new_exceptions): Remove extraneous `extern'.
747 Mon Jun 8 23:24:48 PDT 1998 Jeff Law (law@cygnus.com)
749 * version.c: Bump for snapshot.
751 Mon Jun 8 23:24:58 1998 David Edelsohn <edelsohn@mhpcc.edu>
753 * rs6000.md (mulsidi3): Add !TARGET_POWERPC64 constraint.
754 (mulsidi3_ppc64): Delete.
756 Mon Jun 8 20:57:40 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
758 * Makefile.in (varasm.o): Depend on dbxout.h.
759 (cse.o): Depend on toplev.h and output.h.
760 (gcse.o): Depend on output.h.
762 * mips.c: Include system.h and toplev.h and remove redundant code.
763 Include output.h after tree.h so all its prototypes get activated.
764 * mips.md (table_jump): Remove unused variable `dest'.
766 * sparc.h: Add prototype for `v8plus_regcmp_op'.
768 * crtstuff.c (fini_dummy, init_dummy): Mark function definitions
769 with __attribute__ ((__unused__)).
770 (__frame_dummy): Provide prototype before use, wrap it with
771 EH_FRAME_SECTION_ASM_OP.
773 * cse.c: Move inclusion of <setjmp.h> above local headers.
774 Include toplev.h and output.h.
776 * dbxout.h: Add prototype for `dbxout_begin_function'.
778 * final.c (final_scan_insn): Wrap variable `max_skip' in macro
779 ASM_OUTPUT_MAX_SKIP_ALIGN.
781 * gcse.c: Include system.h and output.h.
782 (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
783 Make extern instead of static.
784 (compute_can_copy): Only declare variables `reg' and `insn' when
785 AVOID_CCMODE_COPIES is not defined.
786 (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
787 (hash_scan_clobber): Likewise for `x' and `insn'.
788 (hash_scan_call): Likewise.
789 (record_last_set_info): Likewise for `setter'.
790 (mark_call): Likewise for `pat'.
791 (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
793 * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
794 length parameter so that it multiplies the number of elements by
797 * output.h: Add prototype for `weak_finish'.
799 * recog.h: Likewise for `validate_replace_src'.
801 * rtl.h: Likewise for `optimize_save_area_alloca',
802 `fix_sched_param', `purge_addressof', `gcse_main',
803 `regmove_optimize', `dbr_schedule', `branch_prob' and
806 * toplev.h: Likewise for `set_float_handler' and
807 `output_quoted_string'.
809 * varasm.c: Include dbxout.h.
811 Mon Jun 8 18:12:06 1998 Jim Wilson <wilson@cygnus.com>
813 * mips.c (mips_secondary_reload_class): Use gp_reg_p instead of
814 GP_REG_P. Use gr_regs instead of GR_REGS.
816 Mon Jun 8 16:54:12 1998 Ken Raeburn <raeburn@cygnus.com>
817 Jeff Law <law@cygnus.com>
819 * Revamped multiply support for MIPS chips.
820 * mips.c (extend_operator): New function.
821 (highpart_shift_operator): Likewise.
822 * mips.h: Declare new functions.
823 (PREDICATE_CODES): Add support for new predicates.
824 * mips.md (mulsi3 expander): Simplify.
825 (mulsi_mult3): Add another constraint alternative. Support
826 3 operand multiply instructions as found on various mips
828 (mulsi3_r4650): Delete pattern, now handled by mulsi_mult3.
829 (mul_acc_si): New pattern and associated splitters.
830 (mulsidi3 expander): Rework to use mulsidi3_64bit and
832 (umulsidi3): New expander.
833 (mulsidi3_internal): Accept either sign or zero extended
834 operands and generate code as appropriate appropriately.
835 (mulsidi3_64bit): Similarly.
836 (smulsi3_highpart): Turn into an expander and generate code
837 to match new patterns.
838 (umulsi3_highpart): Likewise.
839 (xmulsi3_highpart_internal): New pattern.
840 (maddi patterns): Delete. Replace with:
841 (mul_acc_di, mul-acc_64bit_di): New patterns.
843 Mon Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
845 * eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
846 flag_new_exceptions runtime flag.
847 (struct old_exception_table): New struct which represents what
848 the exception table looks like without the new model.
849 (NEW_EH_RUNTIME): New value used as a tag in the exception table to
850 flag that this is a new style table.
851 * except.h: Remove compile time flag NEW_EH_MODEL.
852 (expand_builtin_eh_stub_old): New prototype.
853 * tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
854 * expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
855 * c-decl.c (init_decl_processing): Add new builtin function
856 __builtin_eh_stub_old.
857 * final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
858 * flags.h (flag_new_exceptions): New runtime flag.
859 * toplev.c (flag_new_exceptions): Initialize default to 0,
860 -fnew-exceptions sets to 1.
861 * except.c (output_exception_table_entry): Output New style exception
862 identifier into table, and replace compile time flag NEW_EH_MODEL
863 with runtime flag flag_new_exceptions.
864 (output_exception_table): Replace compile time flag NEW_EH_MODEL.
865 (expand_builtin_eh_stub_old): Duplicates original functionality of
866 expand_builtin_eh_stub.
867 (expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
868 * libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
869 (old_find_exception_handler): New func, same as find_exception_handler
870 except it works on the old style exception table.
871 (__throw): Replace NEW_EH_MODEL. Detect new model based on presence
872 of identifier in the exception table, and call appropriate routines.
874 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
876 * function.c: Define current_function_cannot_inline.
877 (push_function_context_to): Save it.
878 (pop_function_context_from): Restore it.
879 * function.h (struct function): Provide it a home.
880 * output.h: Declare it.
881 * integrate.c (function_cannot_inline_p): Check it.
883 Mon Jun 8 10:43:15 1998 Richard Henderson <rth@cygnus.com>
885 * expr.c (force_operand): Detect PIC address loads before
886 splitting arithmetic.
888 Mon Jun 8 09:22:38 PDT 1998 Jeff Law (law@cygnus.com)
890 * version.c: Bump for snapshot.
892 Mon Jun 8 02:55:56 1998 Graham <grahams@rcp.co.uk>
894 * tree.c (tree_class_check): Add braces to eliminate ambigious
896 (tree_check): Likewise.
898 Mon Jun 8 02:49:23 1998 H.J. Lu (hjl@gnu.org)
900 * reg-stack.c (subst_stack_regs_pat): Make sure the top of
901 stack is the destination for conditional move insn.
903 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
905 * tree.h (TREE_VEC_END): Cast unused value to void.
907 * i386.c (print_operand): Use %lx for long operand.
909 Mon Jun 8 00:04:07 1998 Richard Henderson <rth@cygnus.com>
911 * alpha.c (summarize_insn): Ignore rtl slot format 'i'.
913 Sun Jun 7 14:15:45 1998 John Carr <jfc@mit.edu>
915 * sol2.h (INIT_SUBTARGET_OPTABS): Use Solaris libc float/long long
916 conversion functions.
918 Sun Jun 7 14:02:58 1998 Richard Henderson <rth@cygnus.com>
920 * toplev.c (flag_exceptions): Default to 0.
921 (compile_file): Remove flag_exceptions == 2 hack.
922 (main): Call lang_init_options.
923 * tree.h: Declare it.
924 * c-lang.c: Implement it.
925 * objc/objc-act.c: Likewise.
927 Sun Jun 7 12:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
929 * rs6000.md (restore_stack_block): Generate MEM and specify mode.
930 * rs6000.h (STACK_SAVEAREA_MODE): SAVE_FUNCTION is VOIDmode.
931 * rs6000.c (rs6000_output_load_toc_table): Use fputs.
932 (output_function_profiler): Use asm_fprintf and fputs.
934 Sat Jun 6 12:17:12 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
936 * gencheck.c: Remove redundant stdio.h include. Add a definition
937 of xmalloc for when we are forced to link with alloca.o.
939 * reload1.c (reload_reg_free_for_value_p): Use `(unsigned)1'
942 * fold-const.c (constant_boolean_node): Make definition static to
945 Fri Jun 5 15:53:17 1998 Per Bothner <bothner@cygnus.com>
947 * gcc.c (lang_specific_pre_link): New LANG_SPECIFIC_DRIVER function.
948 (lang_specific_extra_outfiles): New LANG_SPECIFIC_DRIVER variable.
949 (do_spec, input_filename, input_filename_length): Make public.
950 (main): Adjust outfiles allocation by lang_specific_extra_outfiles.
951 Call lang_specific_pre_link befor elinking.
953 Fri Jun 5 12:29:28 1998 Jeffrey A Law (law@cygnus.com)
955 * haifa-sched.c (rank_for_schedule): For "equally good insns", prefer
956 the insn which has the most insns dependent on it.
958 Fri Jun 5 09:03:22 1998 John Carr <jfc@mit.edu>
960 * alias.c (find_base_value): Avoid reading past end of reg_base_value.
962 Fri Jun 5 03:05:34 1998 Richard Henderson <rth@cygnus.com>
964 * alpha.md (insxh-1): New insxl pattern for combine.
966 Fri Jun 5 01:12:15 1998 H.J. Lu (hjl@gnu.org)
968 * i386/i386.c (output_fp_conditional_move): New function
969 to output floating point conditional move.
970 (output_int_conditional_move): New function to output integer
973 * i386/i386.md (movsicci+5, movhicc+5, movdicc+5): Call
974 output_int_conditional_move () to output int conditional move.
975 (movsfcc+5, movdfcc+5, movxfcc+5): Call
976 output_fp_conditional_move () to output floating point
979 * i386/i386.c (put_condition_code): In INT mode, check
980 cc_prev_status.flags & CC_NO_OVERFLOW for GE and LT.
982 Thu Jun 4 16:09:51 1998 Dave Brolley <brolley@cygnus.com>
984 * dbxout.c (dbxout_type): Output arrays of bits as if
985 they were bitstrings for Chill
987 Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu>
989 * tree.c (get_inner_array_type): New function.
990 * tree.h (get_inner_array_type): Prototype.
991 * expr.h (STACK_SAVEAREA_MODE): New macro.
992 * expr.c (expand_builtin_setjmp): Initialize sa_mode using
994 (expand_builtin_longjmp): Likewise.
995 * explow.c (emit_stack_save): Likewise.
996 (allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
998 * rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
999 (CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
1000 * rs6000/aix43.h: New file.
1001 * rs6000/t-aix43: New file.
1002 * rs6000/x-aix41: New file.
1003 * rs6000/x-aix43: New file.
1004 * configure.in (rs6000-ibm-aix*): Use them.
1005 * rs6000/powerpc.h: Delete.
1006 * rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
1007 * rs6000/netware.h: and here.
1008 * rs6000/win-nt.h: and here.
1010 * rs6000/rs6000.c (processor_target_table, 620): Do not affect
1012 (rs6000_override_options): Ignore flag_pic for AIX.
1013 (rs6000_immed_double_const): Delete.
1014 (u_short_cint_operand): Don't assume 32-bit CONST_INT.
1015 (reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
1016 (num_insns_constant): mask64_operand() is 2 insns.
1017 (logical_operand): Don't assume 32-bit CONST_INT.
1018 (non_logical_cint_operand): Don't assume 32-bit CONST_INT.
1019 (easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
1020 (mask_constant): HOST_WIDE_INT parameter.
1021 (non_and_cint_operand): Delete.
1022 (mask64_operand): New function.
1023 (and64_operand): New function.
1024 (function_arg_advance): DImode arguments do not need special
1025 alignment when 64-bit.
1026 (function_arg): Likewise.
1027 (setup_incoming_varargs): Reverse reg_size assignment.
1028 (print_operand): HOST_WIDE_INT second parameter.
1029 (print_operand, 'B'): New case.
1030 (print_operand, 'M'): Fix typo in lossage string.
1031 (print_operandm 'S'): New case.
1032 (rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size
1033 to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset.
1034 (rs6000_output_load_toc_table): Reverse init_ptr assignment. Use
1035 TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs.
1036 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
1037 (rs6000_allocate_stack_space): Use {cal|la}.
1038 (output_epilog): Use {cal|la}
1039 (output_function_profiler): Add call glue to mcount call.
1040 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
1042 * rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
1043 (STACK_BOUNDARY): Depend on TARGET_32BIT.
1044 (ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
1045 (CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
1046 (EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with
1047 64-bit mask operand.
1048 (RS6000_SAVE_TOC): Depend on TARGET_32BIT.
1049 (STACK_SAVEAREA_MODE): New macro.
1050 (LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
1051 (LEGITIMIZE_RELOAD_ADDRESS): New macro.
1052 (RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
1053 (ASM_FILE_START): Emit 64-bit ABI directive.
1054 (ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
1055 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
1056 (PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
1057 Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE.
1059 * rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
1060 Restore define_splits.
1061 (floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
1062 (floatsidf2_internal, floatunssidf2_internal2): Likewise.
1063 Do not specify base register operand mode.
1064 (floatsidf2_loadaddr): Do not specify base register operand mode.
1065 (floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
1066 register; do not specify mode. Remove !TARGET_POWERPC64 final
1068 (floatsidf2_load): Do not specify base register operand mode. Remove
1069 !TARGET_POWERPC64 final constraint.
1070 (fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
1071 base register operand mode.
1072 (adddi3): Split large constants early.
1073 (absdi3): Shift by 63, not 31.
1074 (*mulsidi3_ppc64): New pattern.
1075 (rotldi3): Add masking combiner patterns.
1076 (anddi3): Add rldic{r,l} masking. Remove split of large constants
1077 because PPC insns zero-extend.
1078 (iordi3, xordi3): Split large constants early.
1079 (movsi matcher): Remove S and T constraints.
1080 (movsf const_double): create SImode constant from TARGET_DOUBLE.
1081 (movdf_hardfloat32): Add default abort() case.
1082 (movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
1083 (movdi): Remove 64-bit constant generator. Try to convert
1084 CONST_DOUBLE to CONST_INT. Handle TOC memory constants.
1085 (movdi_32): Add default abort() case.
1086 (movdi_64): Add numerous ways to split 64-bit constants.
1087 Make catch-all define_split more optimal and never FAIL.
1088 (movti_ppc64): Add default abort() case.
1089 (allocate_stack): Remove operand modes. Use Pmode.
1090 (restore_stack_block): Remove operand modes. Generate Pmode
1092 (save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode
1093 temporary. Save area is double Pmode.
1094 (call_indirect_aix64, call_value_indirect_aix64): New patterns.
1095 (call, call_value): Do not specify address operand mode. Choose
1096 appropriate AIX ABI.
1097 (*call_local64, *ret_call_local64): New patterns.
1098 (*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
1099 (*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
1100 (compare): Materialize DImode truthvalues.
1102 Thu Jun 4 01:26:57 1998 Craig Burley <burley@gnu.org>
1104 * expr.c (safe_from_p): Avoid combinatorial explosion
1105 over duplicate SAVE_EXPRs by ensuring we never recurse
1106 on one that has already been visited.
1108 Thu Jun 4 00:54:21 1998 Graham <grahams@rcp.co.uk>
1110 * loop.c (check_dbra_loop): Initialise final_value before
1111 normalizing the loop.
1113 Wed Jun 3 20:00:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1115 * reload1.c (reload_reg_free_for_value_p): New arguments out and
1116 reloadnum. Changed all callers.
1118 1998-06-03 Ulrich Drepper <drepper@cygnus.com>
1120 * system.h: Add _() and N_() macros in preparation for gettext.
1122 Wed Jun 3 11:02:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1124 * c-common.c (check_format_info): Put back check for C9x `hh'
1125 length modifier. Warn about %n format writing into const. Remove
1127 (format_char_info): Fix comments.
1129 * configure.in: Set float_format to m68k for all m68k targets that
1130 do not override LONG_DOUBLE_TYPE_SIZE.
1131 * config/float-m68k.h: New file.
1133 Tue Jun 2 23:14:01 1998 Richard Henderson <rth@cygnus.com>
1135 * jump.c (jump_optimize): Remove debug messages accidentally left in
1136 with the previous change.
1138 Tue Jun 2 22:46:08 1998 Richard Henderson <rth@cygnus.com>
1140 * expr.c (store_expr): Revert stray patch associated with
1143 Tue Jun 2 21:59:01 1998 Richard Henderson <rth@cygnus.com>
1145 * jump.c (rtx_unsafe_p): New function.
1146 (jump_optimize): Use it on if/then/else transformations and
1147 conditional move transformations.
1149 Tue Jun 2 22:50:10 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1151 * fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST
1152 or VAR-- == CONST construct a proper mask if VAR is a bitfield.
1153 Cope with CONST being out of range for the bitfield.
1155 Tue Jun 2 22:28:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1157 * expr.c (emit_move_insn_1): When moving complex values in several
1158 steps, emit a CLOBBER to show the destination dies.
1160 Tue Jun 2 22:17:26 1998 Jeffrey A Law (law@cygnus.com)
1162 * Makefile.in (site.exp): Use the object testsuite directory as
1163 the temporary directory.
1165 * expr.c (expand_expr, case ADDR_EXPR): Handle taking the
1166 address of an ADDRESSOF rtx.
1168 1998-06-02 Mike Stump <mrs@wrs.com>
1170 * expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
1171 * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define.
1172 * i960.md (ret, flush_register_windows): Define.
1173 (nonlocal_goto): Likewise. Nested function nonlocal gotos don't
1175 * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro.
1177 Tue Jun 2 14:02:38 1998 Richard Henderson <rth@cygnus.com>
1179 * alpha.md (divsi3, udivsi3, modsi3, umodsi3): Enable, and work
1180 around an OSF/1 library bug wrt sign-extension of inputs.
1182 Tue Jun 2 13:02:44 1998 Richard Henderson <rth@cygnus.com>
1184 * vax/netbsd.h (DWARF2_UNWIND_INFO): Must be undef, not defined 0.
1186 Mon Jun 1 03:44:03 1998 Catherine Moore <clm@cygnus.com>
1188 * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define.
1190 * varasm.c (assemble_variable): Augment alignment warning.
1192 Mon Jun 1 12:14:28 1998 Michael Meissner <meissner@cygnus.com>
1194 * config/fp-bit.c (_fp{add,div}_parts): Return correct IEEE result
1195 in the presence of IEEE negative 0's.
1197 Sun May 31 16:11:41 1998 John Wehle (john@feith.com)
1199 * reload.c (find_reloads): Record the existing mode if
1200 operand_mode == VOIDmode before replacing a register with
1202 * i386.md (tstsi, tsthi, tstqi, tstsf, tstdf, tstxf): Set
1203 i386_compare_op1 to const0_rtx for the benefit of the
1204 conditional move patterns.
1205 (movsicc, movhicc, movsfcc, movdfcc, movxfcc, movdicc): Rewrite
1206 based on suggestions from Jim Wilson.
1208 Sun May 31 00:44:02 PDT 1998 Jeff Law (law@cygnus.com)
1210 * version.c: Bump for snapshot.
1212 Sun May 31 00:34:17 1998 Bruce Korb <korbb@datadesign.com>
1214 * Makefile.in (fixinc.sh): Update rules again.
1216 Sun May 31 00:27:47 1998 Jeffrey A Law (law@cygnus.com)
1218 * extend.texi: Bring back reference to trampoline paper.
1220 Sun May 31 00:22:34 1998 Ulrich Drepper <drepper@cygnus.com>
1222 * Makefile.in (USER_H): Add stdbool.h.
1223 * ginclude/stdbool.h: New file.
1225 Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com)
1227 * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
1230 * gcse.c (pre_delete): Fix code to determine the mode of
1231 the reaching pseudo register.
1233 Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1235 * Makefile.in (GEN): Add gencheck
1236 (STAGESTUFF): Add tree-check.h and gencheck.
1238 Fri May 29 00:57:37 1998 Bruce Korb <korbb@datadesign.com>
1240 * Makefile.in (cstamp-h.in): Remove before trying to recreate.
1241 (fixinc.sh): Set some additional environment variables before
1242 calling mkfixinc.sh.
1244 Thu May 28 12:57:05 1998 Jeffrey A Law (law@cygnus.com)
1246 * reload.c (find_reloads): Do not force a reloads of match_operators.
1248 Thu May 28 10:22:22 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1250 * except.h (remove_handler): Add new prototype.
1251 * except.c (remove_handler): New function to remove handlers
1252 from an exception region.
1253 * flow.c (find_basic_blocks_1): Remove handlers from regions when
1254 handler label is deleted; remove exception regions with no handlers.
1256 Thu May 28 09:36:39 1998 Michael Meissner <meissner@cygnus.com>
1258 * except.h (rtx): Define rtx type correctly if needed.
1259 * function.h (rtx): Ditto.
1260 (tree): Define tree type correctly if needed.
1262 * c-pragma.c (toplevel): Include rtl.h.
1264 * stor-layout.c (toplevel): Move include of rtl.h before
1267 * Makefile.in (c-pragma.o): Add except.h, rtl.h dependencies.
1268 (tree.o): Add except.h dependency.
1270 Wed May 27 22:02:40 1998 Jeffrey A Law (law@cygnus.com)
1272 * reload1.c: Revert accidental checkin.
1274 * configure.lang: Fix thinko when adding a definition for
1275 target_alias to the Makefile.
1277 Wed May 27 02:50:00 1998 Catherine Moore (clm@cygnus.com)
1279 * config/sparc/lb1spc.asm (.rem and .urem): Replace
1282 Wed May 27 02:48:31 1998 Richard Earnshaw (rearnsha@arm.com)
1284 * arm.c (arm_gen_constant): Rework to eliminate uninitialized
1285 variable warnings. Don't generate scratch registers if only
1287 (find_barrier): Eliminate unused variable SRC.
1289 1998-05-27 Manfred Hollstein <manfred@s-direktnet.de>
1291 * toplev.h (rtx_def): Provide global declaration to avoid
1292 `limited scope' warnings.
1294 Tue May 26 23:47:52 1998 Mumit Khan <khan@xraylith.wisc.edu>
1296 * Makefile.in (gencheck.o): Use HOST_CC.
1297 * i386/t-mingw32: New file.
1298 * configure.in (i386-*-mingw32*): Use.
1300 Tue May 26 07:31:04 1998 Richard Earnshaw (rearnsha@arm.com)
1302 * arm.c (bad_signed_byte_operand): New predicate function.
1303 * arm.h (PREDICATE_CODES): Add it to the list.
1304 * arm.md (*extendqi[sh]i_insn): Split any addresses that ldrsb
1306 (define_split): Two new splits for above insns.
1308 * arm.c: Include toplev.h.
1309 (arm_override_options): Add parentheses around use of tune_flags.
1310 (arm_split_constant): Remove unused variable.
1311 (arm_gen_constant, arm_gen_movstrqi, add_constant): Likewise.
1312 (output_func_prologue, arm_expand_prologue): Likewise.
1313 (arm_canonicalize_comparison): Make I unsigned; rework constants
1314 accordignly. Add missing paratheses around << operation.
1315 (arm_rtx_costs): Correctly parenthesise MULT costs. Add a DEFAULT
1317 ({load,store}_multiple_sequence): Initialize BASE_REG.
1318 (select_dominance_cc_mode): Add DEFAULT clauses.
1319 (broken_move): Return zero if the destination is not a register.
1320 (arm_reorg): Move unused REGNO declaration into the dead code.
1321 * arm.h (CANONICALIZE_COMPARISON): Ensure OP1 is updated.
1323 Mon May 25 22:49:56 PDT 1998 Jeff Law (law@cygnus.com)
1325 * version.c: Bump for snapshot.
1327 Mon May 25 11:56:24 PDT 1998 Jeff Law (law@cygnus.com)
1329 * version.c: Bump for snapshot.
1331 Mon May 25 14:00:13 1998 Dave Brolley <brolley@cygnus.com>
1333 * cpperror.c (v_cpp_message): Remove static prototype.
1334 * cpplib.c (v_cpp_message): Move prototype to cpplib.h.
1335 * cpplib.h (v_cpp_message): Add protoptype.
1336 (stdarg.h,varargs.h): Needed for v_cpp_message prototype.
1338 Sun May 24 20:36:15 PDT 1998 Jeff Law (law@cygnus.com)
1340 * version.c: Bump for snapshot.
1342 Sun May 24 02:08:57 PDT 1998 Jeff Law (law@cygnus.com)
1344 * version.c: Bump for snapshot.
1346 1998-05-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1348 * m68k.h: Declare more functions used in macros.
1349 (REG_CLASS_CONTENTS): Completely embrace initializer.
1350 * m68k.md (adddi3, subdi3): Add abort call to avoid warning
1351 about returning no value.
1352 * cse.c (find_best_addr): Declare p and found_better only if
1354 * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0.
1355 * dwarfout.c (string_length_attribute): #if 0 away.
1356 * function.c (expand_function_end): Define varible blktramp only
1358 * jump.c (find_insert_position): Define only if !HAVE_cc0.
1359 * loop.c (combine_givs_p): Define variable tem only if needed.
1360 * real.c: Comment out unused functions eabs, eround,
1361 e{24,53,64,113}toasc and eiinfin.
1364 Sat May 23 23:44:53 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1366 * Makefile.in (boostrap2-lean, bootstrap3-lean,
1367 bootstrap4-lean): New targets.
1369 Sat May 23 23:35:14 1998 Jeffrey A Law (law@cygnus.com)
1371 * warn_summary, test_summary: Moved into the contrib directory.
1373 1998-05-23 Manfred Hollstein <manfred@s-direktnet.de>
1375 * Makefile.in (ENQUIRE_CFLAGS, ENQUIRE_LDFLAGS): Move down to the end
1377 (FLOAT_H_TEST): Likewise.
1378 (ENQUIRE): Likewise.
1379 (float.h-nat): Likewise.
1380 (float.h-cross): Likewise.
1381 (enquire): Likewise.
1382 (enquire.o): Likewise.
1383 (stmp-int-hdrs): Fix comment about enquire; depend upon gfloat.h.
1384 (stmp-headers): Move actions to stmp-int-hdrs, retaining only a
1386 (FLOAT_H): Remove old float.h-nat version; move current definition
1387 to CROSS_FLOAT_H location.
1388 (all.cross): Remove comments about enquire stuff.
1390 * Makefile.in (all.cross): Swap $(LIBGCC) and $(STMP_FIXPROTO).
1391 (rest.encap): Likewise.
1392 (libgcc2.ready): Depend upon $(STMP_FIXPROTO)
1394 * toplev.h (tree_node): Provide global declaration to avoid
1395 `limited scope' warnings.
1397 Sat May 23 23:23:35 1998 Robert Lipe <robertl@dgii.com>
1399 * test_summary: Display section breaks for each entry
1400 in a multilibbed target's output.
1402 1998-05-23 Richard Henderson <rth@cygnus.com>
1404 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1405 offset's mode is not ptr_mode, convert it.
1407 1998-05-22 Jason Merrill <jason@yorick.cygnus.com>
1409 * fold-const.c (ssize_binop): New fn.
1410 * tree.h: Declare it.
1412 Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com)
1414 * genextract.c (print_path): Handle zero-length path as a special
1417 Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se>
1419 * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767.
1421 Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
1423 * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value.
1424 (shorten_branches, final_scan_insn): Test value of
1425 JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it
1427 * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes.
1428 * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1.
1429 * arm/tcoff.h: Likewise.
1430 * i386/386bsd.h: Likewise.
1431 * i386/freebsd-elf.h: Likewise.
1432 * i386/freebsd.h: Likewise.
1433 * i386/netbsd.h: Likewise.
1434 * i386/ptx4-i.h: Likewise.
1435 * i386/sysv4.h: Likewise.
1436 * pa/pa.h: Likewise.
1437 * rs6000/linux.h: Likewise.
1438 * rs6000/rs6000.h: Likewise.
1439 * sh/sh.h: Likewise.
1440 * sparc/sp64-elf.h: Likewise.
1441 * v850/v850.h: Likewise.
1442 * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0.
1443 * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic).
1445 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1447 * regmove.c (gen_add3_insn): New function.
1448 (fixup_match_2): Use it instead of calling gen_addsi3.
1450 Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com)
1452 * Makefile.in (gencheck): Depend on HOST_LIBDEPS.
1454 * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory
1457 Thu May 21 20:18:13 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1459 * Makefile.in (TREE_H): Add tree-check.h.
1460 (tree-check.h, gencheck): New targets.
1461 * gencheck.c: New file.
1462 * tree.c (tree_check, tree_class_check): New functions.
1463 * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
1464 (TYPE_CHECK, DECL_CHECK): Define.
1465 Modify all access macros to use generated checking macros.
1467 Wed May 20 23:44:28 EDT 1998 John Wehle (john@feith.com)
1469 * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
1470 * configure.in: Check for it.
1471 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
1472 * final.c (uid_align, uid_shuid, label_align): Make static.
1473 (label_align): Change type to struct label_alignment pointer.
1474 (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
1475 (LABEL_TO_MAX_SKIP): Define.
1476 (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
1477 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
1478 (shorten_branches): Record the maximum bytes to skip when
1480 (final_scan_insn): Use the maximum bytes to skip when aligning a label
1481 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
1482 * i386.h (LOOP_ALIGN_MAX_SKIP,
1483 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
1484 * i386.c (override_options): i386_align_jumps and i386_align_loops
1485 default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
1486 * invoke.texi: Document new i386 align-loops and align-jumps behavior.
1488 1998-05-21 Mark Mitchell <mmitchell@usa.net>
1490 * cplus-dem.c (do_type): Handle volatile qualification.
1492 Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com>
1494 * function.c (init_function_start): Don't call emit_line_note if
1495 lineno is 0. (Can happen when compiling Java .class files.)
1497 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1499 * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
1500 end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.
1502 Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1504 * combine.c (nonzero_bits): For paradoxical subregs, take
1505 LOAD_EXTENDED_OP into account.
1507 Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com>
1509 * configure.in (extra_c_objs): add prefix.o.
1510 (extra_cxx_objs): extra objects for C++ with cpplib.
1511 * configure: Regenerate.
1513 * c-tree.h: (get_directive_line): Different prototype for cpplib.
1514 (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
1516 * c-lex.h: (get_directive_line): Not needed here for cpplib.
1518 * c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
1519 (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
1521 * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
1522 (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c
1524 Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1526 * gengenrtl.c (type_from_format, accessor_from_format): Change
1527 type of parameter `c' from `char' to `int'.
1529 Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com)
1531 * warn_summary, test_summary: New scripts from
1532 Kaveh Ghazi and Alexandre Oliva respectively.
1534 * gcse.c (current_function_calls_longjmp): Declare.
1536 1998-05-20 Jason Merrill <jason@yorick.cygnus.com>
1538 * dwarf2out.c (base_type_die): Use int_size_in_bytes.
1540 Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com)
1541 Jeff Law (law@cygnus.com)
1543 * Global CSE and constant/copy propagation.
1544 * Makefile.in (OBJS): Add gcse.o
1545 (STAGESTUFF): Add *.gcse.
1546 (gcse.o): Add dependencies.
1547 (mostlyclean): Remove *.gcse and */*.gcse.
1549 * loop.c (loop_optimize): Move call to init_alias_analysis.
1550 * recog.c (validate_replace_src): New function.
1551 * toplev.c (gcse_dump): New global variable.
1552 (flag_gcse, gcse_time): Likewise.
1553 (compile_file): Initialize gcse_time and clean out the gcse dump
1555 (rest_of_compilation): Call gcse_main as requested. Dump RTL
1556 after gcse if requested.
1557 (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
1559 * gcc.texi: Add gcse related internal documentation.
1560 * invoke.texi: Note new command line options for gcse.
1561 * tm.texi: Document AVOID_CCMODE_COPIES.
1562 * mips.h (AVOID_CCMODE_COPIES): Define.
1564 Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com)
1566 * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
1568 (stmp-fixproto): Simlarly for running fixproto.
1569 * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
1571 Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com>
1573 * config/mips/mips.c (double_memory_operand): Accept any MEM during
1574 reload when TARGET_64BIT.
1576 Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com>
1578 Finish incomplete change started by Kenner.
1579 * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
1580 (powerpcle-*-cygwin32): Delete xm_defines.
1581 * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
1582 HAVE_STAB_H instead of NO_STAB_H.
1583 * config/xm-linux.h (NO_STAB_H): Delete.
1584 (HAVE_STAB_H): Undefine.
1585 * config/i386/xm-go32.h (NO_STAB_H): Delete.
1587 1998-05-19 Jim Wilson <wilson@cygnus.com>
1589 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
1590 LANG_TYPE trees with DECL_SOURCE_LINE of 0.
1592 Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org>
1594 * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.
1596 Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1598 * reload1.c (reload_reg_free_for_value_p): New function.
1599 (allocate_reload_reg, choose_reload_regs): Use it.
1601 Tue May 19 11:51:00 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
1603 * except.c (expand_start_catch): Correct logic for when to
1604 generate a new handler label, and when to use the old one.
1606 Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1608 * Makefile.in (print-rtl.o): Depend on bitmap.h.
1609 (dbxout.o): Depend on toplev.h.
1610 ($(SCHED_PREFIX)sched.o): Likewise.
1611 ($(out_object_file)): Likewise for system.h and toplev.h.
1612 (cppmain.o): Depend on gansidecl.h.
1613 (cpplib.o): Likewise.
1614 (cpperror.o): Likewise.
1615 (cppexp.o): Likewise.
1616 (cpphash.o): Likewise.
1617 (cppalloc.o): Likewise.
1618 (fix-header.o): Depend on cpplib.h and cpphash.h.
1619 (scan-decls.o): Depend on gansidecl.h.
1621 * basic-block.h (free_regset_vector): Add prototype.
1623 * cccp.c (check_precompiled): Mark parameter `fname' with
1625 (do_assert): Likewise for `op' and `keyword'.
1626 (do_unassert): Likewise.
1627 (do_line): Likewise for `keyword'.
1628 (do_error): Likewise for `op' and `keyword'.
1629 (do_warning): Likewise.
1630 (do_ident): Likewise for `keyword'.
1631 (do_pragma): Likewise for `limit', `op' and `keyword'.
1632 (do_sccs): Likewise.
1633 (do_if): Likewise for `keyword'.
1634 (do_elif): Likewise.
1635 (do_else): Likewise.
1636 (do_endif): Likewise.
1638 * collect2.c (getenv): Remove redundant prototype.
1639 (collect_exit, collect_execute, dump_file): Likewise.
1640 (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
1641 (dump_prefix_list): Hide prototype and definition.
1643 * sparc.c: Include toplev.h.
1644 (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
1645 (symbolic_memory_operand): Likewise.
1646 (sp64_medium_pic_operand): Likewise.
1647 (data_segment_operand): Likewise.
1648 (text_segment_operand): Likewise.
1649 (splittable_symbolic_memory_operand): Likewise.
1650 (splittable_immediate_memory_operand): Likewise.
1651 (eq_or_neq): Likewise.
1652 (normal_comp_operator): Likewise.
1653 (noov_compare_op): Likewise.
1654 (v9_regcmp_op): Likewise.
1655 (v8plus_regcmp_op): Likewise.
1656 (extend_op): Likewise.
1657 (cc_arithop): Likewise.
1658 (cc_arithopn): Likewise.
1659 (small_int): Likewise.
1660 (uns_small_int): Likewise.
1661 (clobbered_register): Likewise.
1662 (legitimize_pic_address): Likewise.
1663 (delay_operand): Likewise.
1664 (sparc_builtin_saveregs): Remove unused variable `stdarg'.
1666 * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
1667 sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
1669 * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
1671 * cppalloc.c: Include gansidecl.h.
1673 * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
1674 (cpp_file_line_for_message): Mark parameter `pfile' with
1676 (v_cpp_message): New function.
1677 (cpp_message): Use it. Also convert to variable arguments.
1678 (cpp_fatal): Likewise.
1679 (cpp_pfatal_with_name): Constify parameter `name'.
1681 * cppexp.c: Move gansidecl.h before cpplib.h.
1682 * cpphash.c: Likewise.
1683 * cpphash.h (hashf, delete_macro): Add prototypes.
1685 * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
1686 cpplib.h. Don't include errno.h.
1687 (update_path): Add arguments to prototype.
1688 (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
1689 cpp_print_containing_files): Remove redundant prototypes.
1690 (cpp_hash_cleanup, add_import, append_include_chain,
1691 make_assertion, path_include, initialize_builtins,
1692 initialize_char_syntax, finclude, validate_else, comp_def_part,
1693 lookup_import, redundant_include_p, is_system_include,
1694 read_name_map, read_filename_string, open_include_file,
1695 check_macro_name, compare_defs, compare_token_lists,
1696 eval_if_expression, change_newlines): Add prototype arguments.
1697 (hashf): Remove redundant prototype.
1698 (read_token_list, free_token_list, safe_read, xcalloc, savestring,
1699 conditional_skip, skip_if_group): Add prototype arguments.
1700 (fdopen): Remove redundant prototype.
1701 (do_define, do_line, do_include, do_undef, do_error, do_pragma,
1702 do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
1703 do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
1704 (struct directive): Add prototype arguments to function pointer
1706 (handle_directive): Add missing arguments to call to `do_line'.
1707 (do_include): Mark parameters `unused1' and `unused2' with
1709 (do_line): Likewise for `keyword' and new parameters `unused1' and
1711 (do_error): Likewise for `keyword'.
1712 (do_warning): Likewise. Also add missing argument `pfile' in call
1714 (do_once): Mark parameter `keyword', `unused1' and `unused2' with
1716 (do_ident): Likewise for `keyword', `buf' and `limit'.
1717 (do_pragma): Likewise. Also add missing arguments in call to do_once.
1718 (do_sccs): Mark parameter `keyword', `buf' and `limit' with
1720 (do_if): Likewise for `keyword'.
1721 (do_elif): Likewise.
1722 (eval_if_expression): Likewise for `buf' and `length'.
1723 (do_xifdef): Likewise for `unused1' and `unused2'.
1724 (do_else): Likewise for `keyword', `buf' and `limit'.
1725 (do_endif): Likewise.
1726 (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
1727 (cpp_handle_options): Remove superfluous NULL argument in call to
1729 (cpp_handle_options): Likewise.
1730 (do_assert): Mark parameter `keyword', `buf' and `limit' with
1732 (do_unassert): Likewise.
1733 (cpp_print_file_and_line): Add missing argument `pfile' in call to
1734 cpp_file_line_for_message.
1735 (v_cpp_error): New function.
1736 (cpp_error): Use it. Also accept variable arguments.
1737 (v_cpp_warning): New function.
1738 (cpp_warning): Use it. Also accept variable arguments.
1739 (cpp_pedwarn): Accept variable arguments.
1740 (v_cpp_error_with_line): New function
1741 (cpp_error_with_line): Use it. Accept variable arguments.
1742 (v_cpp_warning_with_line): New function.
1743 (cpp_warning_with_line): Use it. Accept variable arguments. Hide
1745 (cpp_pedwarn_with_line): Accept variable arguments.
1746 (cpp_pedwarn_with_file_and_line): Likewise.
1747 (cpp_error_from_errno): Constify parameter `name'. Add missing
1748 argument `pfile' in call to cpp_file_line_for_message.
1749 (cpp_perror_with_name): Constify parameter `name'.
1751 * cpplib.h: Define PARAMS() in terms of PROTO().
1752 (fatal): Remove redundant prototype.
1753 (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
1754 cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
1755 cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
1756 cpp_fatal, cpp_message, cpp_pfatal_with_name,
1757 cpp_file_line_for_message, cpp_print_containing_files): Add
1758 arguments to prototypes.
1759 (scan_decls, cpp_finish): Add prototypes.
1761 * cppmain.c: Include gansidecl.h.
1762 (main): Remove unused variable `i'.
1764 * dbxout.c: Include toplev.h.
1766 * demangle.h (do_tlink, collect_execute, collect_exit,
1767 collect_wait, dump_file, file_exists): Add prototype.
1769 * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
1770 prototype and definition.
1771 (gen_unspecified_parameters_die): Don't assign results of call to
1772 function new_die() to unused variable `parm_die'.
1773 (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
1774 (dwarf2out_define): Likewise for `lineno' and `buffer'.
1776 * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
1777 prototype and definition.
1778 (output_die): Add prototype arguments to function pointer arg.
1779 (output_unspecified_parameters_die): Mark parameter `arg' with
1782 * except.c (output_exception_table_entry): Remove unused variable
1785 * except.h (expand_fixup_region_start, expand_fixup_region_end):
1788 * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
1790 * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
1792 * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
1793 before cpplib.h, include cpphash.h, remove redundant prototype of
1794 cpp_fatal, don't define `const', add a prototype for `fatal'.
1795 (cpp_file_line_for_message): Add missing arguments `pfile'.
1796 (v_cpp_message): New function.
1797 (cpp_message): Use it.
1798 (v_fatal): New function.
1799 (fatal, cpp_fatal): Use it.
1800 (cpp_pfatal_with_name): Constify parameter `name'.
1802 * flow.c (free_regset_vector): Remove redundant prototype.
1804 * function.c (round_down): Wrap prototype and definition with
1805 macro ARGS_GROW_DOWNWARD.
1806 (record_insns): Wrap prototype and definition with
1807 defined (HAVE_prologue) || defined (HAVE_epilogue).
1809 * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
1811 * gen-protos.c: Include gansidecl.h.
1812 (hashf): Don't make it static, constify parameter `name'.
1814 * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
1815 specifier %s in calls to function `fatal'.
1817 * haifa-sched.c: Include toplev.h.
1818 (find_rgns): Remove unused variable `j'.
1820 * integrate.c (note_modified_parmregs): Mark parameter `x' with
1822 (mark_stores): Likewise.
1824 * jump.c (mark_modified_reg): Likewise.
1826 * output.h (insn_current_reference_address): Add prototype.
1827 (eh_frame_section): Likewise.
1829 * print-rtl.c: Include bitmap.h.
1831 * reload1.c (reload): Wrap variables `note' and `next' in macro
1832 PRESERVE_DEATH_INFO_REGNO_P.
1833 (forget_old_reloads_1): Mark parameter `ignored' with
1835 (choose_reload_regs): Remove unused variable `in'.
1836 (reload_cse_invalidate_mem): Mark parameter `ignore' with
1838 (reload_cse_check_clobber): Likewise.
1840 * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
1841 (mark_elimination): Fix typo in prototype.
1843 * scan-decls.c: Include gansidecl.h.
1845 * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.
1847 Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com)
1849 * function.c (identify_blocks): Fix thinko when setting the
1850 block number for NOTE_INSN_BLOCK_END.
1852 Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com>
1854 * config/v850/lib1funcs.asm: Add .text pseudo op to start of
1857 * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
1858 underscores for the prefixes to the names of the maths functions.
1860 * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add
1861 comment explaining why.
1863 Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com>
1865 * tree.h (TYPE_SIZE_UNIT): New.
1866 (struct tree_type): Add size_unit member.
1867 * stor-layout.c (layout_type): Initialize it.
1868 * expr.c (get_inner_reference) [ARRAY_REF]: Use it.
1869 * tree.c (size_in_bytes, int_size_in_bytes): Likewise.
1871 Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com)
1873 * stor-layout.c (layout_record): Fix off-by-one error when checking
1874 length of the TYPE_BINFO vector.
1876 Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com>
1878 * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
1879 function parameter passed in memory.
1881 Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com>
1883 * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files.
1884 Prototypes for externally used functions in respective C files.
1885 * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
1886 final.c: Include above files.
1887 * Makefile.in (toplev.o): Add dependency for above four headers.
1888 (final.o): Likewise.
1889 (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
1890 respective header files.
1892 Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com)
1894 * Makefile.in (TARGET_TOOLPREFIX): No longer define.
1895 (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in
1896 the build tree if they exist.
1897 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update
1899 (objdir): Let configure substitute value.
1900 (FLOAT_H): Let configure select a pre-built version from the
1902 * build-make (INSTALL_TARGET, ALL): Disable, no longer needed.
1903 * configure.in: Substitute for objdir.
1905 * Makefile.in (build_canonical, host_canonical): Let configure
1906 substitute values for these variables.
1907 * configure.in: Substitute for build_canonical, host_canonical
1908 and target_subdir in generated Makefile.
1910 * output.h (find_basic_blocks): Declare.
1911 (free_basic_block_vars, set_block_num, life_analysis): Likewise.
1913 * Makefile.in (BISON): Use bison from the build tree if it exists.
1916 Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com>
1918 * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
1919 (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
1920 (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
1921 command line arguments to see if an executable is not being
1922 created, and if so - do not append the suffix.
1924 * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
1927 Sun May 17 23:59:45 1998 John Wehle (john@feith.com)
1929 * i386.h (ALIGN_DFmode): Delete.
1930 (CONSTANT_ALIGNMENT): Define.
1931 * varasm.c (force_const_mem): Use it.
1933 Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com>
1935 * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after
1936 using it with swap_condition, not before.
1938 Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com>
1940 * alias.c (mode_alias_check): Delete.
1941 (true_dependence, anti_dependence, output_dependence): Revert April 21
1944 Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se>
1946 * toplev.c (output_lang_identify): Enable prototype and definition.
1948 Sun May 17 01:12:27 PDT 1998 Jeff Law (law@cygnus.com)
1950 * version.c: Bump for snapshot.
1952 Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com>
1954 * alpha/osf.h (HAVE_STAMP_H): Define.
1956 * alpha/netbsd.h, alpha/netbsd-elf.h: New files.
1957 * configure.in (alpha*-*-netbsd*): New.
1958 Based on patches from Paul H. Anderson <pha@pdq.com>.
1960 * configure.in (alpha*-*-linux-*): Kill xm_defines.
1961 (alpha*-*-linux-gnulibc1*) [fixincludes]: Define.
1962 * alpha/xm-linux.h: Remove file.
1964 Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com>
1966 * dbxout.c (dbxout_parms): If mode of type of parameter living
1967 in memory doesn't match mode of DECL_RTL, make big endian correction.
1969 Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
1971 * i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
1973 Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
1975 * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.
1976 * stor-layout.c (layout_record): Set it.
1978 Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net>
1980 * toplev.c (rest_of_compilation): Don't defer nested functions.
1982 Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com>
1984 * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
1985 to an 8-byte boundary if info_ptr->fpmem_p.
1987 Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com>
1989 * loop.c (basic_induction_var): Added test preventing
1990 CCmode parameter passed to convert_modes().
1992 Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1994 * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
1995 input_filename and lineno around expand_expr call. Set them to values
1996 in WFL before expand_expr call.
1998 Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
2000 * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype.
2002 Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net>
2004 * fold-const.c (constant_boolean_node): New function.
2007 Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2009 * sh.c (gen_shl_and): Don't sign extend constant for kind two.
2010 Abort if trying to split kind 3 or 4 outside of combine.
2012 Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com)
2014 * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX.
2016 Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu>
2018 * objc/Make-lang.in (OBJC_O): Add missing exeext.
2019 (libobjc.a, runtime-info.h): Likewise.
2021 Fri May 15 01:29:39 1998 John Wehle (john@feith.com)
2023 * i386.h (DATA_ALIGNMENT): Define.
2025 Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2027 * reload1.c (delete_output_reload): Ignore single USE that
2028 was emitted for the pseudo use of this INSN.
2029 If the no reference to REG between OUTPUT_RELOAD_INSN and INSN
2030 remains, we can always delete OUTPUT_RELOAD_INSN.
2032 Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com>
2034 * reload.c (find_reloads): Don't penalize SCRATCH output reload.
2036 Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com)
2038 * Makefile.in (expr.o): Remove dependency on deleted modemap.def file.
2040 Thu May 14 16:30:47 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2042 * eh-common.h: New file for basic EH data structures.
2043 * except.h: Various prototypes and structures for NEW_EH_MODEL
2044 * function.h (struct function): Add a struct eh_stack for the catch
2046 * except.c (gen_exception_label): New function to generate an
2048 (push_eh_entry): Use gen_exception_label() and init 'label_used' field.
2049 (push_entry): New function to push an existing entry onto a stack.
2050 (receive_exception_label): New function to emit the code required
2051 at the start of all catch blocks.
2052 (struct func_eh_entry): New structure for maintaining handlers
2053 associated with EH regions.
2054 (new_eh_region_entry): New function to register an EH region.
2055 (add_new_handler): New function to register a handler with a region.
2056 (get_new_handler): Creates anew handler entry for registering.
2057 (find_func_region): New function to convert a NOTE eh region number
2058 to an Eh region index.
2059 (get_first_handler): New function to get the first handler in a region.
2060 (clear_function_eh_region): New function to release memory.
2061 (duplicate_handlers): New function to duplicate a list of handlers.
2062 (expand_eh_region_end): Create a new region entry node as well.
2063 (expand_leftover_cleanups): Call receive_exception_label() and
2064 register the cleanup as a handler to the current region.
2065 (expand_start_catch): New function to start a catch clause.
2066 (expand_end_catch): New function to end a catch clause.
2067 (expand_start_all_catch): restructure to not do the equivilent of
2068 what expand_start_catch() does now. Push the exception region being
2069 handled onto the catch stack.
2070 (output_exception_table_entry): Issue an entry for each handler
2071 associated with a region.
2072 (set_exception_lang_code): New function for setting the language code.
2073 (set_exception_version_code): New function to set the version number.
2074 (output_exception_table): Output version and language codes.
2075 (find_exception_handler_labels): Find handler labels using new scheme.
2076 (is_exception_handler_label): New function, returns 1 if label is
2077 present as a handler in some exception region.
2078 (check_exception_handler_labels): Use the new scheme.
2079 (init_eh_for_function): Initialize the catch stack.
2080 (save_eh_status): Save the catch stack.
2081 (restore_eh_status): Restore the catch stack.
2082 (scan_region): Don't remove unreferenced handler label. Flow does it.
2083 (get_reg_for_handler): New function to get the eh_context pointer
2085 (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only.
2086 * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table
2087 entry when processing END region rather that START region.
2088 * flow.c (find_basic_blocks_1): Find all potential handler regions
2089 now that we don't automatically know what the labels might be.
2090 Let scan_region() remove unreferenced EH BEGIN/END labels.
2091 * integrate.c (get_label_from_map): Put inlined labels onto the
2092 permanent obstack since we dont know which ones might be exception
2094 (save_for_inline_copying): Make new copies of all the handlers.
2095 (expand_inline_function): Make new copies of all the handlers.
2096 * libgcc2.c: Remove local struct decls, and include eh-common.h.
2097 (find_exception_handler): With NEW_EH_MODEL the first matching
2098 region we find is the right one. Add eh_info as a new parameter.
2099 (__throw): Pass eh_info to find_exception_handler. Set handler
2100 and pass use different regs under NEW_EH_MODEL.
2102 Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com>
2104 * i960.h (hard_regno_mode_ok): Changed to function from array of
2106 (HARD_REGNO_MODE_OK): Call function instead of testing bit.
2107 * i960.c (hard_regno_mode_ok): Changed to function from array of
2110 Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2112 * reload.c (remove_replacements): New function.
2113 * reload.h (remove_replacements): Declare.
2114 * reload1.c (choose_reload_regs): Disable some reloads that
2115 belong to inherited reloads.
2117 Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2119 * loop.c (scan_loop): Don't call move_moveables for optimize_size.
2121 * reload1.c (merge_assigned_reloads): When merging, reset
2122 reload_spill_index for the eliminated reload.
2124 Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com)
2126 * haifa-sched.c (schedule_insns): Fix merge goof.
2128 1998-05-13 Jim Wilson <wilson@cygnus.com>
2130 * varasm.c (make_decl_rtl): Revert April 1 change.
2131 * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
2132 m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
2133 Get function name from the SYMBOL_REF in the DECL_RTL, not from
2134 DECL_ASSEMBLER_NAME.
2135 * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
2136 DECL_ASSEMBLER_NAME.
2138 Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com>
2140 * i386.c (notice_update_cc, output_float_compare): Disable
2141 TARGET_CMOVE support.
2143 Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com>
2144 Jeff Law <law@cygnus.com>
2146 * rtlanal.c (find_reg_note): Ignore notes that are not on on
2148 (find_regno_note): Likewise.
2150 * Makefile.in (stor-layout.o): Depend on except.h
2151 (varasm.o, function.o): Likewise.
2152 (expr.o): Depend on except.h, modemap.def and hard-reg-set.h.
2154 * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
2155 (rtl.o, emit-rtl.o): Add dependency on bitmap.h.
2156 ($(HOST_PREFIX_1)rtl.o): Likewise.
2157 ($(HOST_PREFIX_1)bitmap.o): New host object.
2158 * emit-rtl.c (toplevel): Include bitmap.h.
2159 (gen_rtx): Handle 't' and 'b' nodes.
2160 * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
2161 Print block number for block begin/end notes. Print 't' type
2162 nodes as a pointer. Know that the 3rd argument of live range
2163 start/stop notes is really a range_info rtx. If type is 'b', print
2164 out argument as a bitmap.
2165 * rtl.c: Include bitmap.c.
2166 (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
2167 (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
2168 * rtl.def (RANGE_LIVE): New node to hold live information while we
2169 recalculate the basic blocks.
2170 (RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
2171 (RANGE_VAR): New node, to hold information saved in symbol node for New
2172 communicating live range information to the debug output functions.
2173 * rtl.h (rtunion_def): Add rttree and rtbit fields.
2174 (XBITMAP, XTREE): New accessor macros.
2175 (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
2176 (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
2177 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
2178 (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
2179 (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
2180 (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
2181 (RANGE_INFO_*): Likewise.
2182 * sched.c (sched_analyze): Keep live range start/stop notes.
2183 (unlink_other_notes): Likewise.
2184 * haifa-sched.c (sched_analyze): Keep live range start/stop notes.
2185 (unlink_other_notes): Likewise.
2186 * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
2187 (BLOCK_LIVE_RANGE_FLAG): Likewise.
2188 (DECL_LIVE_RANGE_RTL): Likewise.
2189 (struct tree_block): Add live_range_flag, live_range_var_flag,
2190 live_range_start and live_range_end.
2191 (struct tree_decl): Add live_range_rtl field.
2192 * gengenrtl.c (type_from_format): Handle 'b' and 't'.
2193 (accessor_from_format): Likewise.
2195 * haifa-sched.c (schedule_block): Make verbose output line up.
2196 Also add a blank line in printing the individual ready lists.
2198 Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2200 * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
2201 (c-lex.o): Depend on output.h.
2202 (c-common.o): Likewise.
2204 (calls.o): Likewise.
2205 (integrate.o): Depend on toplev.h.
2206 (regclass.o): Depend on output.h.
2207 (final.o): Depend on reload.h.
2209 * c-common.c: Include output.h.
2210 (check_format_info): Remove unused variable `integral_format'.
2212 * c-decl.c (print_lang_decl): Mark parameters `file', `node' and
2213 `indent' with ATTRIBUTE_UNUSED.
2214 (print_lang_type): Likewise.
2215 (maybe_build_cleanup): Likewise for parameter `decl'.
2216 (copy_lang_decl): Likewise for parameter `node'.
2218 * c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
2219 (lang_print_xnode): Mark parameters `file', `node' and `indent'
2220 with ATTRIBUTE_UNUSED.
2221 (lookup_interface): Likewise for parameter `arg'.
2222 (is_class_name): Likewise.
2223 (maybe_objc_check_decl): Likewise for parameter `decl'.
2224 (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
2226 (maybe_objc_method_name): Likewise for parameter `decl'.
2227 (build_objc_string): Likewise for parameters `len' and `str'.
2229 * c-lex.c: Include output.h.
2231 * c-lex.h (position_after_white_space): Correct typo in prototype.
2233 * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
2234 c_expand_end_cond, init_iterators): Add prototypes.
2236 * caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
2237 with ATTRIBUTE_UNUSED.
2239 * calls.c: Include output.h.
2241 * cccp.c (pipe_closed): Mark parameter `signo' with
2244 * combine.c: Move inclusion of expr.h to after insn-config.h.
2246 * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
2247 as empty, rather define as ((void)0).
2249 * sparc.c (sparc_check_64): Add braces around ambiguous `else'.
2250 Add parentheses around assignment used as truth value.
2252 * cplus-dem.c (squangle_mop_up): Change return type to void.
2253 (internal_cplus_demangle): Remove unused parameter `options'.
2254 All callers changed.
2255 (cplus_demangle_opname): Remove function wide variable `int i' and
2256 replace with `size_t i' at each location where it is used.
2257 (cplus_demangle_opname): change type of `i' from int to size_t.
2259 * cppexp.c (right_shift): Mark parameter `pfile' with
2262 * cpphash.c (cpp_lookup): Likewise.
2263 (cpp_hash_cleanup): Likewise.
2265 * cpplib.c (parse_name): Add a prototype and make it static.
2266 (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
2267 (null_cleanup): Likewise for parameters `pbuf' and `pfile'.
2268 (macro_cleanup): Likewise for parameter `pfile'.
2269 (file_cleanup): Likewise.
2271 * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
2272 cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
2274 * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
2275 __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
2277 * cse.c (cse_check_loop_start): Mark parameter `set' with
2280 * dbxout.c (flag_minimal_debug, have_used_extensions,
2281 source_label_number): Move inside macro wrapper check against
2282 defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
2284 * dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
2286 * except.h (doing_eh): Provide prototype.
2288 * expr.c: Move inclusion of expr.h to after insn-config.h.
2290 * final.c: Include reload.h.
2291 (shorten_branches): Cast the first argument of bzero to char *.
2293 * fix-header.c (cpp_print_containing_files): Mark parameter
2294 `pfile' with ATTRIBUTE_UNUSED.
2295 (cpp_fatal): Likewise.
2297 * flow.c (find_basic_blocks_1): Cast the first argument of bzero
2300 * genattrtab.c (make_length_attrs): Change the type of variable
2301 `i' from int to size_t.
2302 (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
2305 * genextract.c (main): When generating insn-extract.c, mark
2306 variable `junk' with ATTRIBUTE_UNUSED.
2308 * gengenrtl.c (gencode): When generating genrtl.c, cast the first
2309 argument of bzero to char*.
2311 * integrate.c: Include toplev.h.
2313 * libgcc2.c: Wrap `struct exception_table' and
2314 `find_exception_handler' in macro DWARF2_UNWIND_INFO.
2316 * objc/Make-lang.in (objc-act.o): Depend on toplev.h.
2318 * objc/objc-act.c: Include toplev.h.
2319 (lang_print_xnode): Mark parameters `file', `node' and `indent'
2320 with ATTRIBUTE_UNUSED.
2321 (finish_protocol): Likewise for parameter `protocol'.
2323 * output.h (declare_weak): Add prototype.
2324 (decode_reg_name): Don't wrap with TREE_CODE macro.
2325 (assemble_alias): Add prototype.
2327 * regclass.c: Include output.h.
2329 * reload.h (reloads_conflict): Add prototype.
2331 * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
2332 output_func_start_profiler): Add prototypes.
2334 * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
2337 * scan-decls.c: Include scan.h.
2339 * scan.h (recognized_function, recognized_extern): Add prototypes.
2341 * stmt.c: Include output.h.
2343 * toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
2344 (output_lang_identify): Hide prototype and definition.
2345 (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
2346 (pipe_closed): Likewise.
2348 * toplev.h (count_error, strip_off_ending, error_for_asm,
2349 warning_for_asm): Add prototypes.
2351 Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com>
2353 * toplev.c (rest_of_compilation): "Charge" final for any time
2354 doing various cleanup operations after finishing compilation
2357 * flow.c (dump_flow_info): Also print number of sets and
2358 whether or not the pseudo is a user variable.
2360 * flow.c (reg_n_max): New global variable.
2361 * regclass.c (allocate_reg_info): Keep reg_n_max up to date.
2362 Delete regno_max variable.
2363 * regs.h (REG_N_CHECK): Define.
2364 (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK.
2365 (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise.
2366 (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise.
2368 Wed May 13 12:54:19 1998 Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>
2370 * acconfig.h (ENABLE_CHECKING): Undefine.
2371 * configure.in (--enable-checking): New option.
2373 Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2375 * reload1.c (merge_assigned_reloads): Can merge
2376 RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even
2377 if RELOAD_FOR_INPUT with the same reload_reg_rtx is present.
2379 Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com>
2381 * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST.
2383 Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2385 * reload1.c (gen_reload): Create REG_EQUIV notes.
2387 Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2389 * reload1.c (reload): Fix check for USEs to use code of pattern.
2390 (choose_reload_regs): Remove dead variable use_insn.
2392 Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com)
2394 * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes.
2396 Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com>
2398 * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless
2400 (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline.
2401 (insn_{unit,issue_delay}): Ditto.
2402 (blockage_range): Ditto.
2403 (actual_hazard{,_this_instance}): Ditto.
2404 (schedule_unit): Ditto.
2405 (potential_hazard): Ditto.
2408 (queue_insn): Ditto.
2409 (birthing_insn_p): Ditto.
2410 (adjust_priority): Ditto.
2411 (get_block_head_tail): Ditto.
2412 (init_rgn_data_dependences): Ditto.
2414 Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de>
2416 * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define.
2418 Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com>
2420 * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.
2422 Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com>
2424 * config/mips/mips.md (dslot): Move after definition of "cpu"
2425 attribute. Handle r3900 case.
2427 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2429 * system.h: Define the STRINGIFY macro here.
2430 * protoize.c: Not here.
2431 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
2433 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
2435 * varasm.c (assemble_variable): Compute the alignment of the data
2436 earlier so that both initialized and uninitialized variables are
2437 effected by DATA_ALIGNMENT.
2438 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
2440 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
2442 * mips.c: Prototype static functions.
2444 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
2446 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
2447 Add explanatory comments.
2449 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
2451 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
2453 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
2455 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
2457 * varasm.c (make_decl_rtl): Disable April 1 change.
2459 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
2461 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
2463 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
2465 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
2466 * alpha.c (print_operand): Handle it.
2467 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
2468 related define_splits. Also add peepholes for SImode reload
2469 plus sign_extend lossage.
2471 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2473 * genattr.c: Include stdarg.h/varargs.h. Change function
2474 `fatal' to use variable arguments instead of faking it with
2475 integer parameters. Provide a prototype which also
2476 checks the format specifiers using ATTRIBUTE_PRINTF_1.
2478 * genattrtab.c: Likewise.
2479 * gencodes.c: Likewise.
2480 * genconfig.c: Likewise.
2481 * genemit.c: Likewise.
2482 * genextract.c: Likewise.
2483 * genflags.c: Likewise.
2484 * genopinit.c: Likewise.
2485 * genpeep.c: Likewise.
2486 * genrecog.c: Likewise.
2487 * genoutput.c: Likewise. Similarly for function `error'.
2489 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2491 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
2492 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
2493 * configure.in: Use GCC_C_VOLATILE.
2494 * system.h (volatile): Define as empty if no volatile support is
2497 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
2499 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
2502 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
2504 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
2505 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
2506 the body of beq; additionally set the mode of the branch to CCmode for
2507 FP compares and not fast_math.
2508 (alpha_emit_conditional_move): Always use a compare insn for FP
2509 when not fast_math, as well as setting CCmode on the cmov.
2510 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
2512 * machmode.h (COMPLEX_MODE_P): New macro.
2514 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
2516 * haifa-sched.c (print_exp): Fix typo.
2518 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
2520 * version.c: Bump for snapshot.
2522 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
2524 * final.c (final_scan_insn): Call fatal_insn instead of abort if
2525 we could not split an insn when required to.
2527 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
2529 (peepholes): Disable peepholes that call dead_or_set_p.
2530 (movsi): Rewrite to handle addresses better after last change.
2531 Add define_split to split load of addresses in large/medium modes.
2532 (prologue): Call m32r_expand_prologue.
2533 (movsi_{push,pop}): Generators for push/pop.
2534 (movsi): Support PRE_{INC,DEC}, POST_INC.
2535 (mov{di,df}): Rewrite. Always split the insns.
2536 (movsf): Add define_split to get register load in correct mode.
2537 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
2538 (attributes): Rewrite attributes so that type indicates both the
2539 type and the length of the insn directly.
2540 (all insns): Change to use new type attributes.
2541 (debug): New attribute to convey whether -mdebug was used.
2542 (opt_space): New attribute to convey whether -Os was used.
2543 (function units): Loads are 3 cycles, not 2. Better classify all
2544 insns into short/long.
2545 (load/store/extend insns): Add separate case for load/store
2546 indirect operations without an offset.
2547 (divsi3): Division is a long operation, not short.
2549 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
2551 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
2552 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
2553 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
2554 operands with PRE_{INC,DEC}, POST_INC.
2555 (FUNCTION_PROFILER): Call abort instead of doing nothing.
2556 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
2558 (gen_split_move_double): Declare.
2559 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
2561 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
2562 emit_move_insn, build up SET's directly.
2563 (toplevel): Include system.h, not stdio.h.
2564 (move_double_src_operand): Allow any DF or DI mode constant.
2565 (gen_split_move_double): Split moves of DI or DF values into the
2566 appropriate moves, loads, or stores. Don't handle use of auto
2567 inc/dec if using dead index. Do handle overlapping moves, etc.
2568 (m32r_frame_info): Remove prologue_size field.
2569 (m32r_compute_frame_size): Don't calculate prologue size.
2570 (m32r_output_function_prologue): Change to pretty much a NOP.
2571 (m32r_expand_prologue): Expand prologue as a series of INSNs.
2572 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
2573 (m32r_print_operand_address): Ditto.
2575 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
2577 * reload1.c (emit_reload_insns): When performing expensive
2578 optimizations, do not output the last reload insn if OLD is
2579 not the dest of NSN and is in the src and is clobbered by INSN.
2581 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2583 * Makefile.in (genrtl.o): Depend on system.h.
2584 * gengenrtl.c (gencode): When creating genrtl.c, have it
2587 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2589 * config/m68k/t-linux: Remove extra stuff already included in
2592 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
2594 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
2595 curses.h if it contains `typedef char bool;', as suggested by
2596 Manfred Hollstein <manfred@s-direktnet.de>.
2598 * configure.in: Rename fixinc.math to fixinc.wrap.
2600 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
2602 * gcc.c (read_specs): Handle missing blank line at end of specs file.
2604 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
2605 movdfcc_1): Disable.
2607 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
2609 * configure.in (enable_threads): Rename to enable_threads_flag before
2610 main loop. Set enable_threads to enable_threads_flag inside main
2613 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
2615 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
2618 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2620 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
2622 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
2623 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
2624 (AC_CHECK_FUNCS): Remove unused check for vprintf.
2626 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
2627 (cccp.o): Depend on gansidecl.h.
2630 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
2631 per the rest of gcc source.
2632 * cexp.y: Likewise. Include gansidecl.h and remove all code made
2635 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
2636 used when vfprintf is missing.
2639 * genattrtab.c: Likewise.
2640 * mips-tfile.c: Likewise.
2641 * toplev.c: Likewise.
2643 * vfprintf.c: New file.
2644 * doprint.c: New file.
2646 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
2648 * config/linux.h (ASM_COMMENT_START): Remove from here,
2649 * config/linux-aout.h (ASM_COMMENT_START): and here,
2650 * config/i386/linux.h (ASM_COMMENT_START): to here,
2651 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
2652 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
2655 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2657 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
2660 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
2662 * Makefile.in (dwarfout.o) Add toplev.h dependency.
2663 * dwarfout.c, i386.c: Include toplev.h
2664 * toplev.h: (pfatal_with_name) Add prototype.
2666 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2668 * Makefile.in: Fix .SUFFIXES.
2670 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
2672 * config/linux.h (ASM_COMMENT_START): Define as "#".
2673 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
2675 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
2677 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
2678 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2680 * toplev.c: Include toplev.h.
2681 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
2682 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
2683 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
2684 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
2685 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
2686 toplev.h dependency.
2688 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
2689 HARD_FRAME_POINTER_REGNUM.
2691 * expr.c (target_temp_slot_level): Delete duplicate definition.
2693 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
2695 * stmt.c (mark_seen_cases): Make it have external linkage again.
2696 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
2699 * haifa-sched.c (print_value, case SUBREG): Fix typo.
2701 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
2702 * i386.h (REG_CLASS_CONTENTS): Similarly.
2704 * toplev.c (-fsched-max): Delete flag.
2705 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
2706 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
2707 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
2710 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
2711 inner loops which are not reducible.
2713 * loop.c (regs_match_p): Fix typo in prototype.
2715 * regmove.c (try_auto_increment): Wrap declaration inside an
2716 #ifdef AUTO_INC_DEC.
2718 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
2720 * final.c (output_operand_lossage): Call fatal with the operand
2721 lossage message instead of calling abort.
2723 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2725 * c-common.c: Convert to using ctype macros defined in system.h.
2726 * c-lex.c: Likewise.
2728 * collect2.c: Likewise.
2729 * rs6000.c: Likewise.
2730 * cpplib.c: Likewise.
2731 * fix-header.c: Likewise.
2733 * gen-protos.c: Likewise.
2734 * pexecute.c: Likewise.
2735 * protoize.c: Likewise.
2739 * tlink.c: Likewise.
2740 * toplev.c: Likewise.
2742 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
2744 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
2745 Replace -gdwarf-2 with -g0.
2747 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2749 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
2750 * mips-tdump.c: Include system.h, remove redundant headers.
2751 * mips-tfile.c: Likewise. Also, convert all ctype function calls
2752 to calls of the macro versions defined in system.h.
2754 * objc/Make-lang.in (objc-act.o): Depend on system.h.
2755 * objc/objc-act.c: Include system.h, remove redundant headers.
2757 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2759 * configure.in (AC_CHECK_FUNCS): Add isascii.
2760 (GCC_NEED_DECLARATIONS): Add atof.
2762 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
2763 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
2765 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2767 * system.h: Wrap time.h and sys/file.h in autoconf checks.
2768 Provide default definitions for O_RDONLY and O_WRONLY here.
2770 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
2772 1998-05-06 Mark Mitchell <mmitchell@usa.net>
2774 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
2776 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
2778 * toplev.h: New file. Protypes for functions in toplev.c.
2779 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
2780 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
2781 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
2782 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
2783 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
2784 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
2785 varasm.c: include it.
2787 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
2788 Jim Wilson (wilson@cygnus.com)
2790 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
2791 blocks. Check for 1 successor which is the EXIT_BLOCK.
2793 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
2794 unreachable loops with more than one block.
2796 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
2798 * fix-header.c (write_rbrac): Add "abort" to functions which need to
2801 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
2803 * Check in merge from gcc2. See ChangeLog.12 for details.
2805 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
2807 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
2808 accept 'a' flag. 'S' does accept 'a' flag.
2809 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
2812 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
2814 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2816 * config/m68k/m68k.h: Declare functions from m68k.c used in
2817 macros and machine description.
2818 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
2820 (ASM_OUTPUT_FLOAT): Likewise.
2821 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
2823 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2825 * tree.def: Add NAMESPACE_DECL.
2826 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
2827 * dwarf2out.c (push_decl_scope): Likewise.
2828 (scope_die_for): Likewise.
2829 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
2830 how to get next context level.
2832 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
2834 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
2837 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
2839 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
2841 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
2842 for any insns skipped at the start of a block because they were
2845 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
2847 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
2849 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
2851 * c-common.c (format_char_info): Add new field hhlen.
2852 (print_char_table, scan_char_table, time_char_table): Initialize
2853 hhlen field appropriately.
2854 (char_format_info): Recognize hh modifier and lookup correct char
2857 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
2859 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
2860 reference if this is a store.
2862 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
2864 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
2866 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
2868 Make UnixWare 7 bootstrap support work with final shipping product.
2869 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
2870 Pick up xm-siglist and xm-alloca.
2871 (xm_defines): Add USG so dbxout will build.
2872 * configure: Regenerate.
2874 Sun May 3 13:51:34 PDT 1998 Richard Henderson <rth@cygnus.com>
2876 Support for official Sparc V9 ABI:
2877 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
2878 Care for flag_pcc_struct_return default.
2879 (output_move_quad): Rewrite to move by halves on v9 and in the
2881 (move_quad_direction): New function.
2882 (output_fp_move_quad): Use it to determine the direction of copy.
2883 (function_arg_slotno): Return -1 for FP reg overflow as well.
2884 (function_arg_record_value*): New functions.
2885 (function_arg): Use them. Streamline unprototyped parameter passing.
2886 (function_arg_pass_by_reference): Pass TCmode by reference.
2887 (function_value): New function.
2888 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
2889 long long in 64-bit mode.
2890 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
2891 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
2892 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
2893 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
2894 (BASE_INCOMING_ARG_REG): Likewise.
2895 (FUNCTION_VALUE): Call function_value.
2896 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
2897 * sparc.md (movdi_sp32_v9): Disable for arch64.
2898 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
2899 (call_value_address_sp64): Remove register class constraints.
2900 (call_value_symbolic_sp64): Likewise.
2901 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
2902 v9 case to 32-bit constants.
2903 (goto_handler_and_restore_v9): Provide a version for arch64.
2904 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
2905 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
2906 (CPP_PREDEFINES): New.
2907 * sparc/sp64-elf.h: Likewise.
2908 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
2909 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
2910 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
2912 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
2914 * version.c: Bump for snapshot.
2916 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2918 * reload.c (find_reloads): Emit USEs to mark where a pseudo
2919 is reloaded with the MEM of its stack slot.
2920 * reload1.c (cannot_omit_stores): Delete.
2921 (reload): Don't initialize it.
2922 Don't apply avoid_return_reg logic to USEs.
2923 When done, remove USEs that have a REG_EQUAL note on them.
2924 (emit_reload_insns): Handle case where we have inherited a MEM.
2925 (choose_reload_regs): Likewise.
2926 (delete_output_reload): Don't use cannot_omit_stores.
2928 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
2930 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
2932 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
2934 * haifa-sched.c (print_{exp,value}): Various changes to make the
2935 debug output easier to read. Also, use only one buffer, and make
2936 sure the buffer we are passed in doesn't overflow.
2937 (safe_concat): Concatenate to a buffer without overflow.
2939 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2941 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
2944 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2946 * sched.c (new_insn_dead_notes): Check if the register was
2947 used in the original instruction.
2948 * haifa-sched.c (new_insn_dead_notes): Likewise.
2950 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
2952 * dwarf2out.c (scope_die_for): If could not find proper scope,
2953 check for and handle tagged type with incorrect TYPE_CONTEXT.
2955 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
2957 * calls.c (expand_call): Fix recognition of C++ operator new.
2959 * alias.c (mode_alias_check): Disable type based alias detection.
2961 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
2963 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
2964 ASM_OUTPUT_WEAK_ALIAS): Define.
2965 * config/mips/elf64.h: Same.
2966 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
2967 ASM_WEAKEN_LABEL): Removed.
2969 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2971 * calls.c (expand_call): Bump the length limit on the specially
2972 recognized function names to 17.
2974 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
2976 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
2977 when undefining macros at the end.
2979 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
2980 val or len has TREE_SIDE_EFFECTS set.
2982 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
2983 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
2984 (smuldi3_highpart): Call const v8plus routine.
2985 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
2986 (const_smulsi3_highpart_v8plus): New pattern.
2987 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
2988 (umulsidi3): Call const v8plus routine.
2989 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
2991 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
2992 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
2994 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
2996 * m32r.c (*_oper{and|ator}): Change enum arguments and return
2997 values to int, so they can be prototyped even in files that don't
2999 ({small,large}_insn_p): Ditto.
3000 (m32r_select_cc_mode): Ditto.
3001 (gen_compare): Ditto.
3002 (function_arg_partial_nregs): Ditto.
3003 (m32r_setup_incoming_varargs): Ditto.
3004 (init_reg_tables): Add prototype.
3005 (m32r_frame_info): Add prolog_size field.
3006 (m32r_compute_frame_size): Calculate the size of the prologue.
3007 (m32r_first_insn_address): Return prologue size.
3008 (m32r_output_function_prologue): Calculate frame size before
3009 printing out information. Print out the prologue size.
3011 * m32r.h: Prototype all functions in m32r.c.
3012 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
3014 * m32r.md (bcc functions): Cast enum's to int.
3016 * m32r.c (conditional_move_operand): Silence a debug message.
3017 ({small,long}_insn): New predicates.
3019 * m32r.h (TARGET_M32R): New macro.
3020 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
3021 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
3023 (ISSUE_RATE): Define as 2.
3025 * m32r.md (insn_size): New attribute.
3026 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
3028 (m32r): New attribute.
3030 * configure.in (enable_haifa): Switch m32r to Haifa by default.
3031 * configure: Regenerate.
3033 (Changes from Nick Clifton <nickc@cygnus.com>)
3034 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
3035 the equivalent of a negated 'I' constraint.
3036 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
3037 optimisation to work.
3039 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
3040 than 'I' since the value is negated.
3041 (peephole): Add peephole optimisation to cope with optimization of
3042 divide and subtracts of the same operands.
3044 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
3048 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
3051 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
3053 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
3055 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
3057 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
3058 frame_pointer_rtx not FRAME_POINTER_REGNUM.
3060 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
3062 * reg-stack.c: Revert last patch (Apr 20).
3063 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
3065 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
3067 * loop.c (check_dbra_loop): New locals jump, first_compare, and
3068 compare_and_branch. Call get_condition to set first_compare.
3069 Set compare_and_branch to number of compare/branch instructions.
3070 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
3071 Replace '2' with compare_and_branch.
3073 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3075 * cplus-dem.c (demangle_qualified): Replace missing else.
3077 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3079 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
3081 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3083 * sh.c (sh_expand_prologue, sh_expand_epilogue):
3084 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
3085 * sh.h (STACK_BOUNDARY): Likewise.
3087 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3089 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3091 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
3093 * system.h (abort): If abort is not defined, and neither is
3094 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
3095 reporting the line and filename of the error.
3097 * .gdbinit: Add breakpoints on exit and fancy_abort.
3099 * final.c (split_double): Avoid a compiler warning if
3100 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
3102 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
3103 for calling jump_optimize.
3105 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
3106 macros, rather than 0/1's.
3108 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
3110 * alpha.h (CONST_COSTS): Zero is always free.
3111 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
3113 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3115 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
3116 length in the name of a virtual table.
3118 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
3120 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
3122 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
3124 * version.c: Bump for snapshot.
3126 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
3128 * fold-const.c (fold_convert): Fix typo.
3130 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
3132 * alias.c (alias_invariant): New variable.
3133 (record_base_value): New argument INVARIANT.
3134 (memrefs_conflict_p): If a register has an entry in the alias_invariant
3135 array, try substituting that value for the register.
3137 * rtl.h: Declare record_base_value.
3139 * loop.c, unroll.c: Update callers of record_base_value.
3141 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
3142 ZERO_EXTEND do not affect base values.
3144 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
3146 * dbxout.c (dbxout_type): Fix typo.
3147 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
3149 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
3151 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
3153 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
3154 if the argument is the address of a structure or array.
3156 * configure.in: Enable Haifa scheduler by default for SPARC.
3158 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3160 * cse.c (cse_set_around_loop): Don't do optimization when
3161 new pseudos are created.
3163 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
3165 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
3167 (dbxout_type_method_1, dbxout_type): Likewise.
3168 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
3169 (dbxout_type): Fix check for when to print a type range in
3172 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3174 * (gen_shl_and, in case 1): Fix comparison with mask.
3176 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
3178 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
3179 pointer as second register in REG+REG pair.
3181 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3183 * c-common.c (check_format_info): Don't check for the 'x' format
3184 character twice, instead check for 'x' and 'X'
3186 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
3188 * Makefile.in (libgcc2.ready): Add explicit dependancy from
3189 $(STMP_FIXPROTO) to ensure all necessary include files have
3190 been created and to guarantee proper parallel builds.
3192 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3194 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
3195 register for stdarg functions.
3196 * sh.h (current_function_varargs): Declare.
3197 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
3199 1998-04-23 Jim Wilson <wilson@cygnus.com>
3201 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
3202 inhibit_libc is defined.
3204 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
3206 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
3208 * profile.c (tablejump_entry_p): New function.
3209 (branch_prob): Add code to recognize MIPS tablejump entry branch.
3210 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
3212 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
3214 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
3215 found, rather than at end of the loop, after the insn has been
3218 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3220 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
3221 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
3223 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
3225 * loop.c (note_addr_stored): Correct function to take 2 arguments,
3228 * rtl.def (MATCH_INSN2): Add new matching pattern.
3229 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
3231 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
3233 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
3234 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
3236 * final.c (split_double): Sign extend both halves of a split CONST_INT.
3238 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
3240 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
3242 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3244 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
3245 (cplus_demangle_opname): Call mop_up_squangle.
3246 (cplus_demangle): Initialize squangle info, then call
3247 internal_cplus_demangle. (Most code moved there as well)
3248 (internal_cplus_demangle): New function, performs most of what use
3249 to be done in cplus_demangle, but is only called with this file.
3250 (squangle_mop_up): New function to clean up B and K code data.
3251 (mop_up): set pointers to NULL after freeing.
3252 (demangle_signature, demangle_template, demangle_class): Add
3253 switch elements to handle K and B codes.
3254 (demangle_prefix, gnu_special, demangle_qualified): Add
3255 code to handle K and B codes.
3256 (do_type, demangle_fund_type): Handle B and K codes.
3257 (remember_Ktype): New function to store K info.
3258 (register_Btype, remember_Btype): New functions for B codes.
3259 (forget_B_and_K_types): New function to destroy B and K info.
3261 1998-04-21 Jim Wilson <wilson@cygnus.com>
3263 * stmt.c (check_seenlabel): When search for line number note for
3264 warning, handle case where there is no such note.
3266 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
3268 * genemit.c (gen_exp): Allow machine description to set mode of
3271 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
3273 * alias.c (mode_alias_check): New function.
3274 (true_dependence, anti_dependence, output_dependence): Call
3277 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
3279 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
3280 (MIPS_STACK_ALIGN): Similarly.
3282 * c-common.c (type_for_mode): Handle TI types.
3283 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
3284 (init_decl_processing): Handle TI types.
3285 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
3287 * mips.c (block_move_loop): Test Pmode == DImode instead of
3289 (expand_block_move, save_restore_insns): Likewise.
3290 (function_prologue, mips_expand_prologue): Likewise.
3291 (mips_expand_epilogue): Likewise.
3292 * mips.h (POINTER_SIZE): Allow specific targets to override.
3293 (Pmode): Allow specific targets to override.
3294 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
3295 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
3296 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
3297 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
3298 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
3299 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
3300 * mips.md (indirect, tablejump & casesi support): Test for
3301 Pmode == DImode instead of TARGET_MIPS64.
3302 (call patterns): Likewise.
3304 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3306 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
3307 for gen_rtx(MEM, ...).
3309 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
3311 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
3312 to not be so gross, and to properly function with PIC.
3314 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
3316 * frame.c (heapsort): Rename to frame_heapsort.
3318 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
3320 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
3322 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
3324 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
3326 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
3327 operands during and after reload.
3329 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3331 * final.c (shorten_branches, init_insn_lengths): Move code
3332 to free label_align, uid_shuid, insn_lengths, insn_addresses
3333 and uid_align from the former function into the latter one;
3334 Add code to clear these variables.
3335 * sh.h (label_align): Remove declaration.
3337 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
3339 * gcc.c (lang_specific_driver): Declare prototype properly so
3340 fatal can be passed to it without error.
3342 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
3343 * configure: Regenerate.
3344 * config.in: Add #undef's for strchr and strrchr.
3346 * protoize.c (toplevel): If we have rindex, but not strrchr, map
3348 (file_could_be_converted): Use strrchr, not rindex since rindex is
3349 not defined on Linux systems when _POSIX_SOURCE is defined.
3350 (file_normally_convertible): Ditto.
3351 (process_aux_info_file): Ditto.
3354 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
3355 a constant to an integer register, don't split the insns that do
3356 the simple AND and OR operations, rather just split each word, and
3357 let the normal movsi define split handle it further.
3359 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3361 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
3362 (split_branches): Call init_insn_lengths.
3364 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
3366 * i386.c: Include expr.h to get the change_address prototype
3369 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
3371 * reg-stack.c (subst_asm_stack_regs): Change to return the last
3372 new insn generated by this function.
3373 (subst_stack_regs): Likewise.
3374 (convert_regs): Record the last newly generated insn and use
3375 it for change_stack () instead of INSN.
3377 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
3379 * fix-header.c (enum special_file): Undefine enumerators if they
3380 are already defined by include files.
3381 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
3382 macro with '__' to not pollute user namespace.
3384 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
3386 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
3388 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
3390 * version.c: Bump for snapshot.
3392 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
3394 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
3396 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
3397 Add missing -Dpentium* options.
3398 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
3399 instead of CPP_CPU_DEFAULT.
3400 (EXTRA_SPECS): Add entry for cpp_cpu_default.
3402 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
3404 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
3405 negative in a stackless frame.
3406 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
3407 in stackless frame size. Support 64-bit stackless frame size.
3408 Combine fpmem offset calculations and don't add total_size to
3409 offset if not pushing a stack frame.
3411 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
3413 * regmove.c (fixup_match_1): In three places, in flag_exceptions
3414 check, change p to q.
3416 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
3418 * gcc.c (lang_specific_driver): Add new parm type to prototype.
3419 (added_libraries): New file scope static variable.
3420 (process_command): Initialize added_libraries. Pass it to
3421 lang_specific_driver.
3422 (main): Use added_libraries in check for no input files.
3424 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
3426 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
3427 code generation. Use 64 bit instructions in 32 bit mode when
3428 possible. Use V9 return instruction. UltraSPARC optimizations.
3430 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
3432 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
3434 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
3435 just pass zero. That will work regardless of the size of HARD_REG_SET.
3437 * libgcc2.c (__floatdisf): Fix a couple typos.
3439 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
3441 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
3443 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
3445 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
3447 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
3449 * emit-rtl.c (operand_subword_force): If a register can not be
3450 accessed by words, copy it to a pseudo register.
3452 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
3454 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
3456 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
3458 * tree.h (mark_seen_cases): Delete declaration.
3460 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
3462 * stmt.c (mark_seen_cases): Make static and add prototype.
3464 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3466 * frame.c: Include stdlib.h and unistd.h to possibly get various
3467 function prototypes. The fixproto script guarantees these header
3468 files exist on the target system.
3469 * libgcc2.c: Likewise.
3471 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
3472 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
3473 function parameters.
3474 * libgcc2.c (__udiv_w_sdiv): Likewise.
3476 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
3478 * varasm.c (asm_output_bss): Add prototype.
3479 (asm_output_aligned_bss): Likewise.
3481 * unroll.c (verify_addresses): Add prototype.
3483 * toplev.c: Add many prototypes. Too many to mention here.
3485 * stmt.c (check_seenlabel): Add prototype.
3487 * rtlanal.c (reg_set_p_1): Add prototype.
3488 (reg_set_last_1): Likewise.
3490 * reorg.c (find_dead_or_set_registers): Add prototype.
3492 * regmove (try_auto_increment): Add prototype.
3494 * reg-stack.c (pop_stack): Add prototype.
3496 * recog.c (validate_replace_rtx_1): Add prototype.
3497 (find_cosntant_term_loc): Likewise.
3499 * loop.c (regs_patch_p): Add prototype.
3500 (add_label_notes, count_nonfixed_reads): Likewise.
3501 (find_single_use_in_loop): Likewise.
3502 (express_from): Surround prototype with #ifdef.
3503 (giv_sort): Similarly.
3505 * jump.c (mark_modified_reg): Add prototype.
3507 * haifa-sched.c (is_prisky): Add prototype.
3508 (queue_to_ready): Likewise.
3510 * genextract.c (gen_insn): Add prototype.
3512 * genemit.c (max_operand_1): Add prototype.
3513 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
3514 (gen_expand, gen_explit, output_add_clobbers): Likewise.
3515 (output_init_mov_optab): Likewise.
3517 * genattrtab.c (attr_hash_add_rtx): Add prototype.
3518 (attr_hash_add_string, write_length_unit_log): Likewise.
3520 * genattr.c (init_range): Add prototype.
3522 * combine.c (sets_function_arg_p): Add prototype.
3524 * expr.c (store_constructor_field): Add prototype.
3525 (get_memory_usage_from_modifier): Likewise
3527 * expmed.c (synth_mult): Add prototype.
3528 (choose_multiplier, invert_mod2n): Likewise.
3530 * except.c (push_eh_entry): Add prototype.
3531 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
3532 (call_get_eh_context, start_dynamic_cleanup): Likewise.
3533 (start_dynamic_handler, can_throw): Likewise.
3534 (output_exception_table_entry, scan_region): Likewise.
3535 (eh_regs, set_insn_eh_region): Likewise.
3537 * dwarfout.c (decl_class_context): Add prototype.
3538 (output_inheritance_die, type_ok_for_scope): Likewise.
3540 * c-lex.c (skip_white_space_on_line): Add prototype.
3542 * alias.c (record_set): Add prototype.
3543 (find_base_term, base_alias_check): Likewise.
3545 * function.c (assign_outer_stack_local): Make static and add prototype.
3547 * haifa-sched.c (build_control_flow): Accept raw data as inputs
3548 instead of computing it locally. Callers changed.
3549 (find_rgns): Several new arguments. Callers changed.
3550 Generally clean up and comment better. Use dominators to
3551 identify reducible loops. Convert some flag arrays to bitmaps.
3552 Convert most of the code to work on pred/succ lists instead of
3553 an edge table. Add comments for future improvements.
3554 (schedule_insns): Allocate temporary tables for flow data, call
3555 routines to compute flow data and pass it along to children as
3557 (debug_control_flow): Delete. Use dump_bb_data instead.
3559 * basic-block.h (compute_dominators): Declare.
3561 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
3563 * basic-block.h: Declare them.
3565 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
3567 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
3570 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
3572 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
3573 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
3574 node is non NULL. Cache last file name and file name identifier node.
3576 1998-04-15 Mark Mitchell <mmitchell@usa.net>
3578 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
3579 the length of an array, not TREE_TYPE.
3581 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
3583 * flow.c (sbitmap_union_of_successors): New function.
3584 * basic-block.h (sbitmap_union_of_successors): Declare it.
3586 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
3588 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
3589 Set gnu_ld to gnu_ld_flag inside main loop.
3592 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
3594 * toplev.c (compile_file): Call init_parse using new interface.
3595 (init_lex): Remove declaration.
3597 * c-lex.c (init_parse): Now returns char* containing filename.
3599 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
3601 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
3603 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
3605 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
3606 (gen{extract,peep,opinit,output}): Ditto.
3608 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
3609 global definition so print-rtl.o can be linked in.
3610 * gen{peep,recog}.c (insn_attr_name): Ditto.
3612 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
3614 * fixincludes: discard empty C++ comments, as found in sys/time.h
3617 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3619 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
3622 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
3624 * emit-rtl.c (operand_subword): Rework slightly to avoid
3625 bogus warning from previous change.
3627 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
3629 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
3630 Nov 8 find_replacement change. Move decls of get_unaligned_address
3631 * alpha.h: ... here.
3633 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
3635 * function.c (assign_parms): Initialize unsignedp before passing
3636 its pointer to promote_mode.
3638 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
3639 (write_test_expr): Allow MATCH_INSN.
3641 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
3643 * install.texi: Update section on warnings that can be safely ignored.
3645 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
3647 * mips.md (reload_outdi): Change the scratch mode from DImode to
3648 TImode. New variable scratch, used instead of operand[2] in template.
3649 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
3651 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
3653 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
3655 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
3657 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
3659 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
3661 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
3662 (ASM_FINISH_DECLARE_OBJECT): Likewise.
3664 * Idea and part of the patch from HJ.
3665 * Makefile.in: auto-host.h renamed from auto-config.h. All references
3667 (distclean): Remove auto-build.h too.
3668 * configure.in: Rename host autoconf generated file to auto-host.h.
3669 If host != build, then run autoconf to generate auto-build.h for
3670 the build machine and include it in build_xm_files.
3671 Check for wait.h and sys/wait.h.
3673 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
3674 TRULY_NOOP_TRUNCATION.
3676 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
3678 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
3680 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
3682 * invoke.texi (ld options) Include memset requirements
3683 for options -nodstdlib and -nodefaultlibs.
3685 1998-04-12 Paul Eggert <eggert@twinsun.com>
3687 This change is from an idea suggested by Arthur David Olson.
3689 * c-common.c (decl_attributes, record_function_format,
3690 check_format_info, init_function_format_info):
3691 Add support for strftime format checking.
3692 (enum format_type): New type.
3693 (record_function_format): Now static, and takes value of type
3694 enum format_type instead of int.
3695 (time_char_table): New constant.
3696 (struct function_format_info): format_type member renamed from is_scan.
3697 (check_format_info): Use `warning' rather than sprintf followed by
3698 `warning', to avoid mishandling `%' in warnings.
3699 Change `pedwarn' to `warning', since these warnings do not necessarily
3700 mean the program does not conform to the C Standard, as the code
3701 need not be executed.
3703 * c-tree.h (record_function_format): Remove decl; no longer extern.
3705 * extend.texi: Add documentation for strftime format checking.
3707 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
3709 * mips/ecoffl.h: Do not include mips.h.
3710 * mips/elf.h: Likewise.
3712 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
3713 * mips/ecoff.h: Include "mips/mips.h".
3715 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
3717 * version.c: Bump for snapshot.
3719 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
3721 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
3722 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
3723 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
3724 between loop optimization passes.
3725 * rtl.h: Updated appropriately.
3727 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
3729 Reinstall this patch from Jason.
3730 * function.c (push_function_context_to): Don't call init_emit.
3732 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
3734 * rtl.c (read_skip_spaces): Prevent infinite loops upon
3735 encountering unterminated comments.
3737 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
3739 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
3742 * configure.in: Handle --with-fast-fixincludes.
3743 (fixincludes): If --with-fast-fixincludes, then use a different
3744 fixincludes program by default.
3745 * Makefile.in (fixinc.sh): New rule.
3747 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
3749 * i386.md (movqi+1): Handle invalid QI register.
3750 (movsf_push-1): Likewise.
3752 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
3754 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
3756 symbolic_memort_operand(), call32_operand(), int8_operand(),
3757 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
3759 uint16_operand(): Made static.
3761 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
3763 * calls.c (expand_call): Fix typo.
3765 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
3767 * c-lex.c (finput): New global.
3768 (init_parse): Always included. Handle !USE_CPPLIB using
3769 code originally in compile_file.
3770 (finish_parse): Update for CPPLIB.
3771 * toplev.c (init_parse, finish_parse): Declare.
3772 (finput): Delete variable. Now in front-ends.
3773 (compile_file): Remove code which is now handled by init_parse
3774 which is unconditionally called. Similarly for finish_parse.
3776 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
3778 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
3779 ASM_WEAKEN_LABEL): Add.
3781 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
3783 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
3784 * configure.in (alpha-*-linux*): Use them.
3786 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3788 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
3789 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
3790 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
3791 (build_expr_wfl): New prototype declaration.
3792 * tree.c (build_expr_wfl): New function, to build
3793 EXPR_WITH_FILE_LOCATION nodes.
3794 (copy_node): Don't zero TREE_CHAIN if copying a
3795 EXPR_WITH_FILE_LOCATION node.
3796 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
3797 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
3799 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
3801 * configure.in (v850): Use t-v850.
3802 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
3804 * protoize.c (creat, read, write): Do not declare.
3806 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
3807 refer to the CODE_LABEL before a dispatch table.
3809 * invoke.texi: Add ARC options.
3811 * gcc.c (proces_command): Improve error message for -o with
3814 * i386/x-cygwin32 (CLIB): Link in advapi32.
3816 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
3817 (ASM_IDENTIFY_LANGUAGE): Likewise.
3819 * i386.md (movqi recognizer): Don't perfom byte increment into
3822 * configure.in (x86-dg-dgux): Run fixinc.dgux.
3824 * i370.h: Fix typo in GEN_INT changes.
3826 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
3827 of an empty arglist in prototype.
3829 * Makefile.in: Remove bytecode crud that crept back in after the
3832 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
3834 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
3835 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
3837 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
3839 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3841 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
3843 * c-lex.c (is_class_name): Delete declaration.
3844 (whitespace_cr): Make static and add prototype.
3845 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
3846 yylex, get_directive_line): Turn declarations into prototypes.
3847 (position_after_whitespace, check_newline, yyerror,, is_class_name,
3848 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
3850 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
3852 * gencodes.c (gen_insn): Add prototype.
3853 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
3854 gen_peephole): Add prototypes.
3855 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
3857 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
3858 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
3859 genheader, gencode): Add prototypes.
3860 * genopinit.c (gen_insn): Add prototype.
3861 * genoutput.c (output_prologue, output_epilogue, scan_operands,
3862 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
3863 gen_expand, gen_split, n_occurrences): Add prototypes.
3864 * genpeep.c (gen_peephole): Add prototype.
3865 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
3866 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
3867 labels_in_range_p, count_loop_regs_set, note_addr_stored,
3868 loop_reg_used_before_p, scan_loop, replace_call_address,
3869 skip_consec_insns, libcall_benefit, ignore_some_movables,
3870 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
3871 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
3872 check_final_value, record_giv, update_giv_derive, basic_induction_var,
3873 simplify_giv_expr, general_induction_var, consec_sets_giv,
3874 check_dbra_loop, express_from, combine_givs_p, combine_givs,
3875 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
3876 last_use_this_basic_block, record_initial, update_reg_last_use,
3877 iteration_info, analyze_loop_iterations, insert_bct,
3878 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
3881 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
3883 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3885 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
3887 * config/mips/mips.c (siginfo): Deleted.
3888 (override_options): Don't install SIGINFO signal handler.
3890 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
3892 * loop.c (check_dbra_loop): When normalize comparison_val, add check
3893 to verify it is non-negative.
3895 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
3897 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
3898 (alpha_expand_block_clear): Likewise.
3900 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
3902 * tree.h (sizetype_tab): Fix previous change for K&R.
3904 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
3906 * version.c: Bump for snapshot.
3908 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
3910 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
3911 Add USG and POSIX to xm_defines.
3913 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
3915 * gcc.c: Add linker spec.
3916 (link_command_spec): Use %(linker) instead of ld.
3917 (main): If collect2 is requested as the linker, see if it exists;
3918 if not, use ld instead.
3920 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
3922 (install-collect2): Install as collect2, not ld.
3924 * configure.in(will_use_collect2): It's named collect2 now.
3926 * collect2: Remove checks to see if we were invoked recursively.
3927 (collect_execute): Use _spawnvp under cygwin32.
3929 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
3931 * haifa-sched.c (build_control_flow): Set unreachable for block whose
3932 only predecessor is itself.
3934 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3936 * c-parse.in: Include system.h, and remove stuff now made redundant.
3939 * protoize.c: Likewise. Properly check for cpp stringification.
3941 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
3944 * objc/Make-lang.in (objc-parse.o): Likewise.
3946 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3948 * gansidecl.h: Check if compiler supports __attribute__. Provide
3949 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
3950 __attribute__ when its available. Also provide definitions for
3951 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
3952 terms of ATTRIBUTE_PRINTF.
3954 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
3957 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
3959 * combine.c (can_combine_p): Include successor in volatile test.
3961 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3963 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
3966 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
3968 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
3969 in prototype and definition.
3971 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
3973 * version.c: Bump for snapshot.
3975 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
3977 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
3978 alpha_expand_unaligned_store_words.
3980 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
3982 * i386.md (movsf_push, movsf_mem): Remove.
3983 (movsf_push): Rename from movsf_push_nomove and move in front of
3984 movsf. Use nonmemory_operand predicate and don't bother checking
3986 (movsf_push_memory): New pattern.
3987 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
3988 both operands refer to memory then force operand[1] into a register.
3989 (movsf_normal): Change to unnamed pattern.
3990 Likewise for movdf, movxf, and friends.
3992 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
3994 * version.c: Bump for snapshot.
3996 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
3998 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
4000 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
4002 * configure.in (mips-wrs-vxworks): New target.
4004 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
4006 * expmed.c (synth_mult): The value -1, has no zeros, so it can
4007 never have the form ...011.
4009 * version.c: Bump for snapshot.
4011 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
4013 * i386.c (asm_output_function_prefix, load_pic_register):
4014 Use ASM_GENERATE_INTERNAL_LABEL properly.
4015 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
4016 (print_operand): Ignore it.
4017 (load_pic_register): Use it for the got load call.
4018 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
4019 (prologue_get_pc_and_set_got): Likewise.
4020 * i386.h: Update print_operand docs.
4022 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
4024 * i386.md (ffssi, ffshi): Rewrite as define_expands.
4025 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
4026 * i386.c (notice_update_cc): Recognize unspec 5.
4028 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
4030 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
4031 * alpha.c (print_operand): Handle it.
4032 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
4034 (fix_truncdfdi2): Likewise.
4036 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
4038 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
4039 of these into a single struct, with additional [us]sizetype entries.
4040 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
4041 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
4044 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
4046 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
4048 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
4050 * haifa-sched.c (split_block_insns): Don't supress insn splitting
4051 on subsequent passes.
4053 * alpha.c (hard_fp_register_operand): New function.
4054 * alpha.h (PREDICATE_CODES): Add it.
4055 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
4056 f<-m case and accompanying define_split.
4057 (trapb): Use a unique unspec_volatile number.
4059 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
4061 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
4064 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
4066 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
4069 * haifa-sched.c: Mirror recent changes from gcc2.
4071 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
4073 * Makefile.in (insn*.o): Depend on system.h.
4075 * pa.c (output_global_address): Initialize base.
4076 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
4078 1998-04-03 Mike Stump <mrs@wrs.com>
4080 * gthr.h: Support systems that don't have weak, but have threads.
4081 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
4082 * gthr-vxworks.h: New file.
4083 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
4085 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
4087 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
4089 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
4091 * ginclude/va-i960.h (va_end): Change void * to void.
4093 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4095 * Makefile.in (choose-temp.o): Depend on system.h.
4097 * choose-temp.c: Include system.h when IN_GCC.
4099 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
4100 Richard Henderson <rth@cygnus.com>
4102 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
4103 (move_replacements): New function.
4104 * reload.h: Prototype it.
4106 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
4108 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
4110 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
4113 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
4114 (gen_highpart): Likewise.
4115 * final.c (alter_subreg): Allow the target to hook by-mode subreg
4116 hard register number changes.
4118 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
4120 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
4121 rnbitsize, rnmode and rinner.
4122 (make_range): Initialize type.
4123 (fold): Initialize arg0, arg1 and varop.
4125 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
4127 (expand_function_start): Initialize last_ptr.
4129 * stor-layout.c (layout_record): Initialize desired_align.
4130 (get_best_mode): Initialize unit.
4132 * tree.c (copy_node): Initialize length.
4134 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
4136 * caller-save.c (insert_save_restore): Initialize pat, code and
4139 * emit-rtl.c (push_to_sequence): Initialize top.
4140 (push_topmost_sequence): Likewise.
4142 * genattrtab.c (simplify_by_exploding): Initialize defval.
4144 * profile.c (branch_prob): Initialize dest.
4146 * rtl.h (note_stores): Remove duplicate prototype.
4147 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
4149 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
4150 strings that are not actually lengths.
4152 * genattrtab.c: Make generated file use system.h, instead of
4153 including stdio.h, etc directly.
4154 * genextract.c, genopinit.c, genoutput.c: Likewise.
4155 * genpeep.c, genrecog.c: Likewise
4157 * genoutput.c (process_template): Mark operands in the generated
4158 function as potentially unused if compiling with GNU CC.
4160 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
4162 * pa.md (reload peepholes): Remove unused variable "mode".
4164 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
4166 * config/arm/thumb.h: Add super interworking support.
4167 * config/arm/thumb.c: Add super interworking support.
4168 * config/arm/thumb.md: Add super interworking support.
4169 * config/arm/lib1funcs.asm: Add interworking support.
4170 * config/arm/lib1thumb.asm: Add super interworking support.
4171 * config/arm/t-semi: Add interworking support.
4172 * config/arm/t-thumb: Add interworking support.
4173 * config/arm/README-interworking: New file.
4175 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
4177 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
4178 (MD_STARTFILE_PREFIX): Unset.
4180 1998-04-01 Mark Mitchell <mmitchell@usa.net>
4182 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
4183 entity in a local scope.
4185 * fold-const.c (fold): Call truthvalue_conversion for values which
4186 are folded to boolean type.
4188 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
4190 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
4191 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
4192 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
4193 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
4194 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
4195 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
4196 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
4197 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
4198 * md.texi: Likewise.
4200 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
4202 * fixincludes (limits.h): Fix nested comments in Motorola's
4203 limits.h and sys/limits.h.
4205 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
4207 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
4208 as dest of expand_binop call.
4210 * alpha.md (extzv): Correct check for valid operand[2] values.
4212 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
4215 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
4217 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
4219 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
4220 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
4222 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
4223 cygwin32 can override this to allow both unix and win32 style PATHs.
4225 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
4226 style environment paths.
4228 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4230 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
4231 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
4232 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
4235 * cpphash.c: Include config.h.
4236 * cppalloc.c: Include system.h. Add parameters to various
4237 function prototypes.
4238 * cpperror.c: Likewise.
4239 * cppexp.c: Likewise.
4240 * cpphash.c: Likewise.
4241 * cpplib.c: Likewise.
4242 * cppmain.c: Likewise.
4243 * fix-header.c: Likewise.
4245 * gen-protos.c: Likewise.
4246 * gengenrtl.c: Likewise.
4247 * halfpic.c: Likewise.
4249 * scan-decls.c: Likewise.
4252 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
4254 * README.gnat: Add lang_print_xnode definition.
4256 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4258 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
4259 fmovecr on the 68060.
4261 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
4263 * genemit.c (DONE): Rework so that it works in the true arm if
4264 an if-else conditional.
4267 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
4269 * rs6000.c: Do not include stdioh or ctype.h anymore.
4271 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
4273 (stor-layout.o): Likewise.
4274 * c-typeck.c: Include rtl.h and expr.h.
4275 * stor-layout.c: Likewise.
4277 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
4278 All callers changed.
4279 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
4280 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
4281 All callers changed.
4283 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
4285 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
4287 * tree.h (lang_print_xnode): Provide prototype.
4289 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
4291 * version.c: Bump for snapshot.
4293 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
4295 * objc/sendmsg.c (__objc_block_forward): Add braces for return
4296 value if INVISIBLE_STRUCT_RETURN.
4298 * pa.c (arith_double_operand): Fix parens.
4300 * haifa-sched.c (print_pattern): Correct arg to sprintf.
4302 * Makefile.in (libgcc1.null): Make return type for __foo void.
4304 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
4306 * pa.h: Add declarations for many functions defined in pa.c.
4308 * genpeep.c (main): Remove unused variable 'i' from the generated
4311 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
4312 (gen_split): Likewise.
4313 (main): Rework generated definitions of DONE and FAIL so that they
4314 no longer use gotos. Avoids warnings about unused labels.
4316 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
4317 unused "junk" variable.
4319 * genattrtab.c (write_complex_function): Add a default case in
4320 generated switch statement to keep -W -Wall quiet.
4322 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
4324 * invoke.texi: Document more ARM and Thumb command line options.
4326 * config/arm/xm-thumb.h: New file.
4328 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
4330 * stmt.c (expand_expr_stmt): Must generate code for
4331 statements within an expression (gcc's `({ ... )}')
4332 even if -fsyntax-only.
4334 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4335 Jeffrey A Law (law@cygnus.com)
4337 * basic-block.h (basic_block_computed_jump_target): Declare.
4338 * flags.h: (current_function_has_computed_jump): Declare.
4339 * flow.c: (basic_block_computed_jump_target): Define.
4340 (flow_analysis): Allocate it. Set current_function_has_computed_jump
4342 (find_basic_blocks): Set current_function_has_computed_jump and
4343 elements of basic_block_computed_jump_target to 1 as appropriate.
4344 * function.c: (current_function_has_computed_jump): Define.
4345 * global.c (global_conflicts): Don't allocate pseudos into stack regs
4346 at the start of a block that is reachable by a computed jump.
4347 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
4349 (subst_stack_regs): Undo change from Sep 4 1997.
4350 (uses_reg_or_mem): Now unused, deleted.
4351 * stupid.c (stupid_life_analysis): Compute
4352 current_function_has_computed_jump.
4353 (stupid_find_reg): Don't allocate stack regs if the function has a
4355 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
4356 the current function has a computed jump. Use the global value
4359 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
4361 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
4362 (DWARF2_UNWIND_INFO): Define to zero.
4364 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
4366 * gcc.c (set_std_prefix): Add declaration.
4367 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
4368 suffix, and update the standard prefix prefix.c uses.
4370 * prefix.c (std_prefix): New global to hold default prefix value.
4371 (get_key_value): Change to use std_prefix instead of PREFIX.
4372 (translate_name): Ditto.
4373 (update_path): Ditto.
4374 (get_key_value): Release allocated scratch storage.
4375 (set_std_prefix): New function to reset the standard prefix.
4377 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4379 * sh.c (find_barrier): Fix calculations for alignment increase.
4381 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
4383 * Makefile.in (stmp-fixinc): If we're actually fixing include
4384 files, copy gcc's assert.h into the fixed include dir.
4385 * fixincludes (assert.h): Avoid any attempts to fix a probably
4386 broken system specific assert.h file.
4387 * fixproto (stdlib.h): Make sure, it'll contain a definition of
4390 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
4392 * regclass.c (reg_scan_mark_refs): Be more selective about
4393 when we mark a register with REGNO_POINTER_FLAG.
4395 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4397 reload inheritance improvement:
4398 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
4399 Change meaning: index is now hard reg number.
4400 (reg_reloaded_valid, reg_reloaded_dead): New variables.
4401 (reload_spill_index): Content is now a hard reg number.
4402 (reload_as_needed): Change to fit new variable meaning.
4403 (forget_old_reloads_1, allocate_reload_reg): Likewise.
4404 (choose_reload_regs, emit_reload_insns): Likewise.
4406 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4408 * regclass.c (record_reg_classes): '?' increases cost by two.
4410 * reload.c (find_reloads): Double previous costs. Output
4411 reloads cost one unit extra.
4413 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
4414 boiled down to && ! 0.
4416 * reload.c (find_equiv_reg): Also consider a goal offset from the
4417 frame pointer to be constant.
4419 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4421 * sh.h (OPTIMIZATION_OPTIONS): Define.
4423 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
4425 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
4427 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
4429 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
4431 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
4433 * c-common.c (check_format_info): Initialize type, is_type. New local
4434 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
4435 when pedantic if used with integral format specifier.
4437 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
4439 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
4441 (function_arg_padding): Declare.
4443 * rs6000.c: Include system.h.
4444 (function_arg_padding): Change return type to int, cast enum's to
4447 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
4448 * collect2.c (scan_prog_file): Add explicit braces to avoid
4451 * dbxout.c (dbxout_type_fields): Add braces around empty body in
4453 (dbxout_type): Likewise.
4455 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
4456 `ptt_size' from int to size_t.
4457 (rs6000_file_start): Likewise for `i'.
4458 (rs6000_replace_regno): Add default case in enumeration switch.
4459 (output_epilog): Remove unused variable `i'.
4460 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
4463 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
4465 (get_issue_rate, non_logical_cint_operand): Add prototype.
4466 (rs6000_output_load_toc_table): Ditto.
4468 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
4471 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
4473 * config/arm/thumb.c: New File. Support for ARM's Thumb
4475 * config/arm/thumb.h: New File. Thumb definitions.
4476 * config/arm/thumb.md: New File. Thumb machine description.
4477 * config/arm/tcoff.h: New File. Thumb COFF support.
4478 * config/arm/t-thumb: New File. Thumb makefile fragment.
4479 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
4481 * configure.in: Add Thumb-coff target.
4482 * configure: Add Thumb-coff target.
4483 * config.sub: Add Thumb-coff target.
4485 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
4487 * loop.c (scan_loop): Initialize move_insn_first to zero.
4489 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
4491 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
4492 * config/i386/rtems.h: Likewise.
4493 * config/i960/rtems.h: Likewise.
4494 * config/m68k/rtems.h: Likewise.
4495 * config/mips/rtems64.h: Likewise.
4496 * config/pa/rtems.h: Likewise.
4497 * config/rs6000/rtems.h: Likewise.
4498 * config/sh/rtems.h: Likewise.
4499 * config/sparc/rtems.h: Likewise.
4501 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4503 * pa.c (emit_move_sequence): If in reload, call find_replacement.
4505 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
4507 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
4509 * collect2.c (find_a_file): Add debugging.
4510 (find_a_file): Test for win32 style absolute paths if
4511 DIR_SERPARATOR is defined.
4512 (prefix_from_string): Add debugging.
4513 (main): Test for debug command line switch at start of program
4515 (main): Use GET_ENVIRONMENT rather than getenv().
4516 (prefix_from_env): Use GET_ENVIRONMENT.
4518 1998-03-24 Mark Mitchell <mmitchell@usa.net>
4520 * cplus-dem.c (optable): Add sizeof.
4521 (demangle_template_value_parm): New function containing code
4522 previously found in demangle_template.
4523 (demangle_integral_value): New function which handles complicated
4524 integral expressions.
4525 (demangle_template): Use them.
4527 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4529 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
4530 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
4531 genattrtab.o, genoutput.o): Depend on system.h.
4533 * genattr.c: Include system.h. Add arguments to various function
4534 prototypes. Remove redundant prototype of read_rtx().
4535 * genattrtab.c: Likewise.
4536 * gencodes.c: Likewise.
4537 * genconfig.c: Likewise.
4538 * genemit.c: Likewise.
4539 * genextract.c: Likewise.
4540 * genflags.c: Likewise.
4541 * genopinit.c: Likewise.
4542 * genoutput.c: Likewise.
4543 * genpeep.c: Likewise.
4544 * genrecog.c: Likewise.
4546 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
4548 * c-lang.c (lang_print_xnode): New function.
4549 * objc/objc-act.c (lang_print_xnode): Likewise.
4550 * print-tree.c (print_node): Call it
4552 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
4554 * c-parse.in: Recognize protocol qualifiers in class
4555 definitions for objc.
4557 (yyerror): Remove redundant decl.
4558 (yyprint): Fix prototype.
4560 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
4562 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
4564 * stmt.c (unroll_block_trees): Free block_vector if needed.
4566 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
4568 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
4569 (zero_extendsidi2): Avoid useless copy.
4570 (iordi_zext): New pattern.
4571 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
4573 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
4575 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
4576 (ashldi3): Allow constant shift count in range ]32,63].
4577 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
4579 1998-03-22 Mark Mitchell <mmitchell@usa.net>
4581 * tree.h (IS_EXPR_CODE_CLASS): New macro.
4583 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
4585 * h8300.h (CONST_COSTS): Remove definition.
4586 (DEFAULT_RTX_COSTS): Define.
4588 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
4590 * config/sh/rtems.h: Switched from ELF to COFF.
4592 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4594 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
4596 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
4598 * version.c: Bump for snapshot.
4600 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
4601 Geoff Noer <noer@cygnus.com>
4603 * Makefile.in: Various fixes for building cygwin32 native toolchains.
4605 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
4606 * objc/Make-lang.in: Likewise.
4608 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
4610 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
4612 * configure.in: Handle with-PACKAGE=no correctly
4614 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4616 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
4617 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
4618 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
4619 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
4620 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
4621 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
4622 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
4623 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
4624 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
4625 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
4628 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
4629 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
4630 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
4631 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
4632 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
4633 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
4634 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
4635 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
4636 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
4637 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
4638 xcoffout.c: Include system.h. Organize include ordering so
4639 that stdarg/varargs comes before other system headers. Remove
4640 spurious casts of functions assured of a prototype in system.h.
4642 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
4644 * reg-stack.c (pop_stack): Define. Pops any register on the
4645 regstack and adjusts regstack.
4646 (compare_for_stack_reg): Use pop_stack.
4648 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
4650 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
4653 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
4655 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
4657 * fold-const.c (fold): Replace sign-extension of a zero extended
4658 value by a single zero extension.
4660 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
4662 * except.c (init_eh): Do nothing.
4663 (save_eh_status): Call init_eh_for_function, not init_eh.
4664 * function.c (push_function_context_to): Don't call init_emit.
4666 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
4668 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
4671 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4673 * final.c (shorten_branches): Add parentheses around +/- in
4676 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
4678 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
4680 * regclass.c (memory_move_secondary_cost): Wrap uses of
4681 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
4684 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4686 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
4688 * flow.c (life_analysis): #include <sys/types.h> to make sure
4690 * cplus-dem.c (demangle_function_name): Likewise.
4692 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
4694 * final.c (insn_noperands): Change type to unsigned int.
4695 (final_scan_insn): Likewise for noperands;
4696 properly check operand number boundaries.
4698 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
4700 * alpha.md (extzv): Don't reject register operands. Fix
4703 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
4705 * dbxout.c (dbxout_function_end): Fix last change. The correct
4706 predicate is ASM_OUTPUT_SECTION_NAME.
4708 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4710 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
4711 (ashlsi): Use match_dup 1 instead of match_operand 2.
4713 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4715 * fold-const.c (operand_equal_for_comparison_p): See if equal
4716 when nop conversions are removed.
4718 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4720 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
4721 don't use ORIGINAL_TARGET unless REG.
4723 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4725 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
4727 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4729 * loop.c (struct movable): New field move_insn_first.
4730 (scan_loop): In consec sets code, set it. Clear it otherwise.
4731 (move_movables): In consec sets code, use it. Copy REG_NOTES from
4732 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
4735 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
4737 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
4738 is large, and the system doesn't provide atoll or atoq.
4741 * alpha/xm-vms.h (HAVE_ATOLL): Define.
4742 Reported by Klaus Kaempf <kkaempf@progis.de>.
4744 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4746 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
4747 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
4749 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
4750 test !ACCUMULATE_OUTGOING_ARGS.
4752 * collect2.c (write_c_file_glob): Wrap function definition in
4753 macro test !LD_INIT_SWITCH.
4755 * combine.c (try_combine): Wrap variables `cc_use' and
4756 `compare_mode' in macro test EXTRA_CC_MODES.
4758 * cpplib.c (do_ident): Remove unused variable `len'.
4759 (skip_if_group): Remove unused variables `at_beg_of_line' and
4761 (cpp_get_token): Remove unused variable `dummy'.
4763 * dbxout.c (scope_labelno): Move static variable definition inside
4764 the one function scope where it is used.
4765 (dbxout_function_end): Wrap prototype and definition in
4766 macro test !NO_DBX_FUNCTION_END.
4768 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
4769 in macro test !MIPS_DEBUGGING_INFO.
4771 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
4772 into the scope where it is used. Wrap empty else-statement body
4775 * fix-header.c: Fix typo in comment.
4776 (inf_skip_spaces): Cast results of INF_UNGET to (void).
4777 (check_protection, main): Likewise.
4779 * flow.c (find_basic_blocks_1): Remove dangling comment text.
4781 * function.c (contains): Wrap prototype and definition in macro
4782 test HAVE_prologue || HAVE_epilogue.
4783 (fixup_var_refs_1): Remove unused variable `width'.
4785 * gen-protos.c (main): Remove unused variable `optr'.
4787 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
4789 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
4790 (__sjpopnthrow): Remove unused variable `jmpbuf'.
4791 (__throw): Remove unused variable `val'.
4793 * protoize.c: Check for a previously existing definition before
4794 defining *_OK macros.
4796 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
4798 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4800 * vax.h (ADDR_VEC_ALIGN): Define.
4802 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
4804 * gcc.c (default_arg): Don't wander off the end of allocated
4807 (From Geoffrey Keating <geoffk@ozemail.com.au>)
4808 * rs6000.c (small_data_operand): Ensure that any address
4809 referenced relative to the small data area is inside the SDA.
4811 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
4813 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
4815 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4817 * except.h (in_same_eh_region): New prototype.
4818 (free_insn_eh_region, init_insn_eh_region): New prototypes.
4819 * except.c (insn_eh_region, maximum_uid): New static variables.
4820 (set_insn_eh_region): New static function to set region numbers.
4821 (free_insn_eh_region): New function to free EH region table.
4822 (init_insn_eh_region): New function to initialize EH region table.
4823 (in_same_eh_region): New function used to determine if two rtl
4824 instructions are in the same exception region or not.
4825 * final.c (final): Initialize the table indicating which instructions
4826 belong in which exception region.
4827 * genpeep.c (main): Add "except.h" to include file list in generated
4829 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
4830 peepholes involving calls and unconditional branches.
4832 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
4834 * README.gnat: New file.
4836 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4838 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
4839 "recog.h" for offsettable_memref_p.
4840 (legitimize_pic_address): Remove unused variable `offset'.
4841 (notice_update_cc): Change return type to void. Add default label
4843 (standard_68881_constant_p): Remove unused variable mode.
4844 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
4845 (const_int_cost): Explicitly declare as returning int.
4846 (output_dbcc_and_branch): Change return type to void.
4848 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
4849 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
4850 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
4852 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
4854 * version.c: Bump for snapshot.
4856 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4858 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
4859 check for 'M' constraint.
4861 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
4863 * cccp.c (create_definition): If pedantic, call pedwarn for macro
4866 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4868 * i386.c (ix86_logical_operator): New function.
4869 (split_di): Ensure that when a MEM is split, the resulting MEMs have
4871 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
4874 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4875 Richard Earnshaw <rearnsha@arm.com>
4876 Nick Clifton <nickc@cygnus.com>
4878 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
4880 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
4882 * cse.c (rtx_cost): Provide a default case in an enumeration
4883 switch, and call DEFAULT_RTX_COSTS if it's defined.
4885 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
4887 * basic-block.h (compute_preds_succs): Change return type in
4889 * flow.c (compute_preds_succs): Likewise in function definition.
4891 * regmove.c (find_matches): Cast char used as array index to unsigned char
4894 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
4896 * i386.h (RTX_COSTS): Insert braces around nested if.
4897 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
4900 * gcc.c (default_compilers): Properly put brackets around array elements in
4903 * getopt.c (_getopt_internal): Add explicit braces around nested if;
4906 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
4907 (record_reg_life_pat): Add explicit parens around && and || in expression.
4908 (stack_reg_life_analysis): Add parens around assignment used as expression.
4909 (convert_regs): Likewise.
4911 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
4913 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
4914 change callers accordingly.
4916 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
4917 and definition; change all callers accordingly.
4919 * except.c (init_eh): Avoid assignment of unused return value of
4920 build_pointer_type; cast it to void, instead, and remove unused
4923 * gcc.c (lang_specific_driver): Define prototype only #ifdef
4924 LANG_SPECIFIC_DRIVER.
4925 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
4927 * genoutput.c (output_epilogue): Initialize next_name to 0.
4929 * real.c (efrexp): #if 0 prototype and function definition.
4930 (eremain): Likewise.
4937 * reload.c (push_secondary_reload): Define prototype only
4938 #ifdef HAVE_SECONDARY_RELOADS.
4940 * varasm.c (assemble_static_space): Define rounded only
4941 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
4943 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4945 * i386.md (andsi): Add default case in enumeration switch.
4950 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
4952 * c-decl (finish_struct): Change type of min_align to unsigned.
4954 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
4955 remove unused variable len.
4957 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
4958 comment indicating this is proper behaviour.
4959 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
4961 (based_loc_descr): Likewise.
4963 * enquire.c (bitpattern): Change type of variable i to unsigned.
4965 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
4967 * flow.c (life_analysis): Change type of variable i to size_t;
4968 remove unused variable insn.
4970 * gcc.c (translate_options): Change type of variables optlen, arglen and
4972 (input_filename_length): Change type to size_t.
4973 (do_spec_1): Change type of variable bufsize to size_t.
4974 (main): Change type of variables i and j to size_t;
4975 remove subblock local definition of variable i.
4976 (lookup_compiler): Change type of second argument to size_t;
4977 change type of variable i to size_t.
4979 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
4981 * genopinit.c (get_insn): Change type of variable pindex to size_t.
4983 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
4985 * global.c (global_alloc): Change type of variable i to size_t.
4987 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
4989 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
4990 (expand_end_case): Change type of variable count to size_t.
4992 * toplev.c (main): Change type of variable j to size_t.
4993 (set_target_switch): Change type of variable j to size_t.
4994 (print_switch_values): Change type of variable j to size_t;
4995 remove unused variable flags.
4997 * varasm.c (assemble_variable): Change type of variable align to size_t.
4998 (const_hash_rtx): Change type of variable i to size_t.
5000 1998-03-11 Mark Mitchell <mmitchell@usa.net>
5002 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
5003 TREE_VEC if that's what it really is.
5005 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
5007 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
5010 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
5012 * gthr.h: Changed the comment about return values.
5013 * gthr-solaris.h (__gthread_once): Do not use errno; return the
5014 error number instead of -1.
5015 (__gthread_key_create): Any non-zero return value is an error.
5016 * libgcc2.c (eh_context_initialize): Check for non-zero return
5017 value from __gthread_once.
5018 Check that the value of get_eh_context was really changed.
5020 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5022 * sh.h (LOOP_ALIGN): Only align when optimizing.
5023 * sh.c (find_barrier): Clear inc for CODE_LABELs.
5024 When not optimizing, calculate alignment for BARRIERs directly.
5026 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5028 * final.c (shorten_branches): Remove conditionalizing on
5029 SHORTEN_WITH_ADJUST_INSN_LENGTH
5030 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
5032 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
5034 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
5035 an unconditional jump around deleted blocks.
5037 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
5039 * profile.c (branch_prob): If see computed goto, call fatal instead of
5042 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
5044 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
5045 Patch from Bruno Haible.
5047 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
5048 (assign_parms): Set aggregate if hide_last_arg and last_named.
5050 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5052 * final.c (shorten_branches): Initialize insn_addresses.
5054 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5056 * sh.h (MUST_PASS_IN_STACK): Define.
5058 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
5060 * final.c (shorten_branches): Fix minor logic error in
5061 ADDR_DIFF_VEC shortening support.
5063 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
5065 * version.c: Bump for snapshot.
5067 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
5069 * haifa-sched.c (is_cfg_nonregular): Change return type to
5070 an int. No longer compute "estimated" number of edges. Use
5071 computed_jump_p instead of duplicating the code. Fixup/add
5073 (build_control_flow): Returns a value indicating an irregularity
5074 in the cfg was detected. Count the number of edges in the cfg.
5075 allocate various edge tables.
5076 (find_rgns): No longer look for unreachable blocks.
5077 (schedule_insns): Do not allocate memory for edge tables here.
5078 Free memory for edge tables before returning. Do not perform
5079 cross block scheduling if build_control_flow returns nonzero.
5080 * flow.c (compute_preds_succs): More accurately determine when
5083 * basic-block.h (free_basic_block_vargs): Provide prototype.
5085 * cccp.c (main): Fix dumb mistakes in last change.
5087 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5089 * rtl.h (addr_diff_vec_flags): New typedef.
5090 (union rtunion_def): New member rt_addr_diff_vec_flags.
5091 (ADDR_DIFF_VEC_FLAGS): New macro.
5093 * sh.c (output_branch): Fix offset overflow problems.
5095 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
5096 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
5097 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
5098 * stmt.c (expand_end_case): Supply new arguments to
5099 gen_rtx_ADDR_DIFF_VEC.
5100 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
5101 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
5102 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
5103 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
5104 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
5105 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
5106 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
5107 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
5108 * i386/freebsd.h, i386/linux.h : Likewise.
5109 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
5110 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
5111 * m68k/mot3300.h, m68k/sgs.h : Likewise.
5112 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
5113 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
5114 (CASE_VECTOR_SHORTEN_MODE): Define.
5115 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
5116 (med_branch_p, braf_branch_p): Don't declare.
5117 (mdep_reorg_phase, barrier_align): Declare.
5118 (ADJUST_INSN_LENGTH): Remove alignment handling.
5119 * sh.c (uid_align, uid_align_max): Deleted.
5120 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
5121 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
5122 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
5123 (output_far_jump): Don't use braf_branch_p.
5124 (output_branchy_insn): Don't use branch_offset.
5125 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
5126 Remove paired barrier stuff.
5127 Don't use cache_align_p.
5128 Take alignment insns into account.
5129 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
5131 (barrier_align, branch_dest): New function.
5132 (machine_dependent_reorg, split_branches): Remove infrastructure
5133 for branch shortening that is now provided in the backend.
5134 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
5135 (braf_branch_p, braf_cbranch_p): Likewise.
5136 (attribute length): Use new attributes.
5137 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
5138 (addr_diff_vec_adjust): Delete.
5139 (align_2): Now a define_expand.
5140 (align_log): Now length 0.
5142 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
5144 * m32r.md (right): Correctly check for length == 2, not 1.
5146 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5148 * mips/mips.h: Prototype `machine_dependent_reorg'.
5149 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
5151 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
5153 * final.c (shorten_branches): Restore accidentally removed code.
5155 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5157 * configure.in: Remove duplicate uses of AC_PROG_CC and
5160 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
5162 * configure.in (target_cpu_default2): Correct typo for alphapca56.
5164 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
5165 Doug Evans (devans@cygnus.com)
5167 * haifa-sched.c (build_jmp_edges): Delete dead function.
5168 (build_control_flow): Use cfg routines from flow.c
5169 (schedule_insns): Remove debugging code accidentally checked
5172 * basic-block.h: Add external integer list structures, typdefs,
5173 accessor macros and function declarations. Simlarly for
5174 basic block pred/succ support and simple bitmap stuff.
5175 * flow.c: Add functions for integer list, basic block pred/succ
5176 support and simple bitmap support.
5177 (compute_dominators): New function to compute dominators and
5179 (find_basic_blocks): Split into two functions.
5180 (life_analysis): Likewise.
5181 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
5182 the life_analysis from toplev.c
5183 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
5184 life_analysis instead of flow_analysis.
5186 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5188 * jump.c (jump_optimize): Call mark_jump_label also for deleted
5190 (mark_jump_label): Don't increment ref counts for deleted insns.
5192 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5194 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
5196 * mips/mips.c: Include stdlib.h and unistd.h.
5197 (mips_asm_file_end): Add braces around empty body in an if-statement.
5198 (function_prologue): Wrap variable `fnname' in
5199 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
5200 (mips_select_rtx_section, mips_select_section): Declare as void.
5202 * mips/mips.h: Add prototypes for extern functions in mips.c.
5203 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
5204 (ENCODE_SECTION_INFO): Add braces around empty body in an
5207 * mips/mips.md (movdi): Add parentheses around && within ||.
5208 (movsf, movdf): Likewise.
5209 (branch_zero, branch_zero_di): Add default case in
5213 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
5215 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
5216 real constants, since they can't be changed.
5217 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
5218 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
5219 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
5220 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
5221 * alpha/vms.h (TARGET_OPEN_VMS): New.
5222 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
5224 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
5226 * reload.c (find_reloads): Always force (subreg (mem)) to be
5227 reloaded if WORD_REGISTER_OPERATIONS.
5229 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
5231 * haifa-sched.c (free_list): Rename from free_pnd_lst.
5232 (free_pending_lists): Rename free_pnd_lst uses.
5233 (remove_dependence): Place expunged element on unused_insn_list.
5234 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
5235 gen_rtx_*_LIST and alloc_rtx to use them.
5236 (compute_block_backward_dependences): Free the reg_last_* lists.
5238 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
5240 * cccp.c (main): Avoid undefined behavior when setting pend_includes
5243 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5245 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
5246 USE_GNULIBC_1 is defined
5247 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
5248 includes the t-linux-gnulibc1 fragment
5250 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
5252 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
5254 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5256 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
5258 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5260 * final.c (shorten_branches): Tag the loop alignment onto the
5261 first label after NOTE_INSN_LOOP_BEG even if there is an
5264 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5266 * final.c (insn_current_reference_address):
5267 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
5268 proper alignment chain.
5270 * final.c (max_labelno): New static variable.
5271 (final_scan_insn): Check max_labelno before outputting an
5272 alignment for a label.
5273 (shorten_branches): Remove unused variable length_align.
5275 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5277 * sparc.c (ultrasparc_adjust_cost): Add default case in
5280 * sparc.h: Add prototypes for extern functions defined in
5283 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
5285 * toplev.c: Only generate <name>.dbr file when dumping RTL if
5286 DEALY_SLOTS is defined.
5288 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
5290 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
5291 in call to fill_slots_from_thread.
5293 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
5295 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
5296 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
5298 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5300 * final.c (insn_last_address, insn_current_align, uid_align):
5302 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
5303 (insn_current_reference_address): Likewise.
5304 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
5305 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
5306 (label_to_alignment): New function.
5307 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
5308 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
5309 insn_current_reference_address instead of insn_current_address.
5310 (or_attr_value, write_length_unit_log): New functions.
5311 (main): Call write_length_unit_log.
5312 (write_const_num_delay_slots): Output extra '\n'.
5313 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
5315 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
5316 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
5317 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
5319 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
5320 (LABEL_ALIGN_AFTER_BARRIER).
5321 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
5322 * ns32k/tek6000.h: Likewise.
5323 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
5324 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
5325 ASM_OUTPUT_ALIGN_CODE.
5327 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
5329 * version.c: Bump for snapshot.
5331 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
5333 * version.c: Bump for snapshot.
5335 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
5337 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
5338 if condition code of jump conflicts with opposite_needed.
5340 * reorg.c (fill_slots_from_thread): Mark resources referenced in
5341 opposite_needed thread. Return delay_list even when cannot get
5342 any more delay insns from end of subroutine.
5344 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
5346 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
5347 All callers changed.
5349 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5351 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
5352 end_fde_sort): New functions for fast sorting of an FDE array.
5353 (fde_insert): Simplified.
5354 (add_fdes): Change argument list.
5355 (frame_init): Use the new functions.
5357 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
5359 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
5361 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
5363 * fold-const.c (fold_range_test): Always return a value.
5365 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
5367 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
5368 data in the text section unless READONLY_DATA_SECTION is defined.
5370 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
5372 * c-parse.in (undeclared variable error): Tweak error message to
5375 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
5377 * version.c: Bump for snapshot.
5379 1998-02-28 Mark Mitchell <mmitchell@usa.net>
5381 * final.c (final_scan_insn): Undo overzealous removal of `set'.
5383 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5385 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
5386 case, add parentheses to specify the proper order of precedence in
5390 * c-aux-info.c: Include string.h/strings.h.
5392 * pa.c: Include stdlib.h.
5393 (pa_combine_instructions): Prototype the function.
5394 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
5395 (reloc_needed): Add default case for enumeration switch.
5396 (remove_useless_addtr_insns): Remove unused variable `all'.
5397 (hppa_expand_prologue): Add explicit braces to avoid
5399 (output_function_epilogue): Remove unused variable `i'.
5400 (output_millicode_call): Remove unused variable `link'.
5401 (shadd_constant_p, forward_branch_p): Make the function static.
5402 (following_call): Explicitly declare to return int.
5403 (pa_reorg): Declare as void.
5404 (pa_combine_instructions): Declare as static void. Add
5405 parentheses around && within ||.
5407 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
5408 following_call, function_label_operand, lhs_lshift_cint_operand
5411 * pa.md: Add parentheses around && within ||.
5413 * cppalloc.c: Include stdlib.h.
5415 * cpperror.c (cpp_print_containing_files): Remove unused variable
5416 `i'. Fix format specifier in fprintf.
5418 * cse.c (cse_around_loop): Add explicit braces to avoid
5420 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
5422 * expr.c (expand_expr): Add parentheses around && within ||.
5424 * final.c (app_enable): Replace fprintf with fputs where there are
5425 no format specifiers and no trailing argument after the string.
5426 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
5427 (app_disable): Likewise.
5428 (final_end_function): Likewise.
5429 (final_scan_insn): Likewise. Remove unused variable `set'.
5430 (profile_function): Wrap empty if-statement body in {} brackets.
5432 * function.c: Include stdlib.h.
5433 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
5434 (reposition_prologue_and_epilogue_notes): Add parentheses
5435 around assignment used as truth value.
5437 * integrate.c (expand_inline_function): Wrap variable
5438 `cc0_insn' in macro HAVE_cc0.
5440 * jump.c (jump_optimize): Wrap variable `q' in macro
5441 HAVE_cc0. Remove unused variable `prev1'.
5443 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
5444 within ||. Fix format specifier in fprintf.
5445 (__bb_init_prg): Add parentheses around assignment used as
5448 * local-alloc.c: Include stdlib.h.
5449 (requires_inout): Add parentheses around assignment used
5452 * loop.c (analyze_loop_iterations): Wrap prototype and definition
5453 in macro HAVE_decrement_and_branch_on_count.
5454 (insert_bct, instrument_loop_bct): Likewise.
5455 (move_movables): Add parentheses around assignment used as
5457 (consec_sets_invariant_p): Likewise.
5458 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
5460 * objc/objc-act.c: Include stdlib.h.
5461 (lookup_method_in_protocol_list): Wrap empty else-statement body
5463 (lookup_protocol_in_reflist): Likewise.
5464 (objc_add_static_instance): Remove unused variables `decl_expr'
5466 (get_objc_string_decl): Remove unused variable `decl'.
5467 (generate_static_references): Remove unused variables `idecl' and
5469 (check_protocols): Wrap empty else-statement body in braces.
5471 * protoize.c: Include stdlib.h.
5472 (substr): Add parentheses around assignment used as truth value.
5473 (abspath): Likewise.
5474 (shortpath): Likewise.
5476 * regmove.c (fixup_match_1): Add parentheses around assignment
5477 used as truth value.
5479 * reload.c (push_secondary_reload): Remove unused variable `i'.
5480 (find_reloads): Add parentheses around assignment used as truth
5483 * reload1.c: Include stdlib.h.
5485 * rtl.h: Correct typo in prototype of offsettable_memref_p.
5487 * stmt.c (add_case_node): Add parentheses around assignment used
5489 (case_tree2list): Likewise.
5491 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
5492 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
5493 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
5494 (merge_attributes): Add explicit braces to avoid ambiguous
5497 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
5500 * varasm.c: Include stdlib.h.
5503 * system.h: Remove sys/stat.h.
5504 * gcc.c: Add sys/stat.h.
5506 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
5507 * genattrtab.c: Likewise.
5508 * genconfig.c: Likewise.
5509 * genemit.c: Likewise.
5510 * genextract.c: Likewise.
5511 * genflags.c: Likewise.
5512 * genopinit.c: Likewise.
5513 * genoutput.c: Likewise.
5514 * genpeep.c: Likewise.
5515 * genrecog.c: Likewise.
5516 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
5518 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5520 * invoke.texi: Use @itemx for a secondary item in a @table.
5522 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
5525 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
5527 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
5529 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
5531 * i386.c (struct machine_function): Add new fields for PIC stuff.
5532 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
5534 (restore_386_machine_status): Corresponding changes.
5535 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
5537 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
5539 * c-parse.y (undeclared variable error): Tweak error message
5542 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
5544 * flags.h (g_switch_value, g_switch_set): Declare.
5545 * alpha.c (override_options): Set g_switch_value=8 if not set.
5546 * alpha/elf.h (CC1_SPEC): New.
5548 (LINK_SPEC): Pass along the -G value we were given.
5549 (LOCAL_ASM_OP): Remove.
5550 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
5551 (MAX_OFILE_ALIGNMENT): New.
5552 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
5553 (EXTRA_SECTIONS): Add sbss and sdata.
5554 (SECTION_FUNCTION_TEMPLATE): New.
5555 (EXTRA_SECTION_FUNCTIONS): Use it.
5556 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5557 (SELECT_SECTION): Use sdata when small enough.
5558 * alpha/linux.h (ASM_SPEC): Remove.
5561 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5562 * config.sub (sco5): Fix typo.
5564 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
5566 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
5568 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
5569 * config/alpha/t-linux: Remove file.
5570 * config/sparc/t-linux: Remove file.
5571 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
5572 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
5573 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
5575 (alpha*-*-linux-gnu*): Likewise.
5576 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
5577 (sparc-*-linux-gnu*): Likewise.
5579 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
5580 * collect2.c (ldd_file_name): Bracket declaration with same
5582 (full_real_ld_suffix): Deleted. Variable was calloced and
5583 written into, but never read.
5585 1998-02-23 Mike Stump <mrs@wrs.com>
5587 * configure.in: Add support for i386-wrs-vxworks configuration.
5588 * i386/vxi386.h: New file.
5590 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5592 * tree.c (contains_placeholder_p): Ensure function always returns
5594 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
5595 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
5597 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
5599 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
5601 1998-02-22 Paul Eggert <eggert@twinsun.com>
5603 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
5604 Define this new symbol.
5605 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
5606 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
5607 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
5609 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
5611 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
5612 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
5614 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
5616 * objc/Object.m (-error): Call objc_verror with our va_list.
5618 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5620 * collect2.c (scan_prog_file): Completely cover uses of variable
5621 `exports' with macro COLLECT_EXPORT_LIST.
5623 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
5625 * version.c: Bump for snapshot.
5627 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
5629 * sched.c (schedule_block): Remove code to get arguments from hard
5630 regs into pseudos early. Same as Aug 25, 1997 change to
5633 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
5635 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
5637 1998-02-16 Mark Mitchell <mmitchell@usa.net>
5639 * toplev.c (rest_of_compilation): Do not defer the output of a
5642 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
5644 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
5645 continuation character (line 243).
5647 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5649 * genrecog.c (main): Remove duplicated sentence in emitted comment.
5651 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
5652 David Edelsohn <edelsohn@mhpcc.edu>
5654 * collect2.c (XCOFF_SCAN_LIBS): Remove.
5655 (export_flag): New variable.
5656 (export_file): #ifdef COLLECT_EXPORT_LIST.
5657 (import_file, exports, imports, undefined): New variables.
5658 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
5659 (dump_list, dump_prefix_list, is_in_list): New functions.
5660 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
5661 (write_import_file, resolve_lib_name): New functions.
5662 (use_import_list, ignore_library): Same.
5663 (collect_exit): maybe_unlink import_file and #ifdef.
5665 (main): New variable importf, #ifdef exportf. Move parsing of
5666 -shared before general argument parsing. Resolve AIX library
5667 paths and import libgcc.a symbols. Treat .so shared libraries the
5668 same as objects and .a libraries. Create alias for object_lst and
5669 increment it instead of original pointer. Scan AIX libraries as
5670 objects earlier instead of using scan_libraries. Perform AIX
5671 tlink later to resolve templates instead of forking ld.
5672 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
5673 (GCC_UNDEF_SYMBOL): New macro.
5674 (scan_prog_file): Loop for members of AIX libraries. Handle
5675 export/import of ctors/dtors.
5676 (aix_std_libs): New variable.
5677 (scan_libraries, XCOFF): Delete.
5679 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
5681 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
5683 1998-02-19 Mike Stump <mrs@wrs.com>
5685 * Makefile.in: Use $tooldir for sys-include to match toplevel
5688 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
5689 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5691 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
5693 * emit-rtl.c (hard-reg-set.h): Include.
5694 (get_lowpart_common): Don't make new REG for hard reg in a
5695 class that cannot change size.
5696 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
5698 * combine.c: Revert previous patch.
5700 1998-02-19 Paul Eggert <eggert@twinsun.com>
5702 * config/sparc/sol2-sld.h: New file.
5703 * configure.in (sparc-*-solaris2*): Use it when using the
5706 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
5708 * loop.c (force_movables): Fix typo.
5710 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
5712 * m88k.h: Change file pattern to match reality.
5714 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
5716 * varasm.c (output_constant_pool): Fix dumb thinko in last
5719 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
5720 a function name to a section name.
5722 1998-02-18 Doug Evans <devans@cygnus.com>
5724 * tree.h (merge_machine_{type,decl}_attributes): Declare.
5725 (split_specs_attrs, strip_attrs): Add prototypes.
5726 * tree.c (merge_machine_{type,decl}_attributes): New functions.
5727 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
5728 Update olddecl's attributes too.
5729 * c-common.c (strip_attrs): New function.
5730 * c-typeck.c (common_type): Call merge_machine_type_attributes.
5731 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
5732 (make_decl_rtl): Likewise.
5734 1998-02-18 Jim Wilson <wilson@cygnus.com>
5736 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
5738 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
5740 Remove this change until we can fix it correctly.
5741 * collect2.c: Bracket declaration of 'exportf' and
5742 'full_real_ld_suffix'.
5744 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5746 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
5748 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5750 * c-common.c (c_expand_start_cond, c_expand_end_cond,
5751 c_expand_start_else): Don't warn about non-ambiguous else even if
5754 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
5756 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
5757 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
5760 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
5762 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
5763 simplifying a subreg of a hard reg.
5764 (expand_compound_operation): Likewise.
5765 (force_to_mode): Likewise.
5767 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5769 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
5770 (lshift_double): Add parentheses around + or - inside shift.
5771 (rshift_double): Likewise.
5772 (size_int_wide): Explicitly set type of `bit_p' to `int'.
5774 * Makefile.in (fold-const.o): Depend on system.h.
5776 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
5779 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
5780 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
5781 (sched_note_set): Remove unused parameter `b', all callers changed.
5782 (schedule_block): Likewise for `rgn'.
5783 (split_hard_reg_notes): Likewise for `orig_insn'.
5784 (check_live): Likewise for `trg'.
5785 (update_live): Likewise.
5786 (check_live_1): Explcitly declare variable `i' as int.
5787 (update_live_1): Likewise.
5788 (insn_issue_delay): Remove unused variable `link'.
5789 (sched_analyze_2): Add default case in enumeration switch.
5790 (schedule_insns): Remove unused variable `i'.
5792 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
5794 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
5796 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
5797 a dangling else clause.
5799 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
5801 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
5802 pointer for the stack pointer in MIPS16 and 64BIT.
5804 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5806 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
5807 * emit-rtl.c (force_line_numbers, restore_line_number_status):
5809 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
5810 (expand_start_case): Adjust to this change.
5811 (check_seenlabel): New function.
5812 (pushcase, pushcase_range, expand_endcase): Use it.
5814 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5816 * i386.md (adddi3): Add =!r,0,0,X alternative.
5818 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
5820 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
5821 * x-aix31 (INSTALL): Delete.
5823 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
5825 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
5826 tsize changes to something other than zero.
5828 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
5830 * ginclude/va-mips.h: Replace casts of pointers to int with
5831 casts of pointers to __PTRDIFF_TYPE__.
5833 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
5835 * loop.c (strength_reduce, record_biv, record_giv): Use
5836 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
5838 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
5840 * tree.c (first_rtl_op): New fn.
5841 (unsave_expr_now): Use it.
5842 * print-tree.c (print_node): Likewise.
5843 * tree.c (has_cleanups): New fn.
5844 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
5845 conservative about pushing the cleanup point down.
5846 * tree.h: Declare them.
5848 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
5850 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
5851 (flag_schedule_reverse_after_reload): Likewise.
5852 (f_options): Remove reverse scheduling support.
5853 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
5854 (flag_schedule_reverse_after_reload): Likewise.
5855 * haifa-sched.c (rank_for_schedule): Remove support for reverse
5858 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5860 * gcc.c: Get system includes, prototypes and macros via "system.h"
5861 instead of doing it manually. Change all calls of the ctype
5862 macros to custom versions defined in "system.h".
5864 * system.h: Fix return type of bcmp prototype from `void' to `int'.
5865 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
5866 Add a prototype for getenv.
5868 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
5870 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
5872 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
5874 * alias.c: Include <stdlib.h> and <string.h>.
5875 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
5877 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
5879 * version.c: Bump for snapshot.
5881 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
5883 * arm.md (movsfcc): Also validate operands[3] when compiling hard
5885 (movdfcc): Only accept fpu_add_operand for operands[3].
5887 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
5888 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
5890 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
5892 * varasm.c (output_constant_pool): Bring back 'done' label inside
5893 an appropriate #ifdef.
5895 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
5897 (bitmap_copy, bitmap_operation): Likewise.
5898 * combine.c (combinable_i3pat): Similarly for 'src'.
5899 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
5900 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
5901 * regclass.c (copy_cost): Similarly for 'secondary_class'.
5902 * reload.c (make_memloc): Simliarly for 'i'.
5903 (find_reloads_address_1): Similarly for 'link'.
5904 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
5905 (emit_reload_insns): Similarly for 'second_reloadreg'.
5906 * unroll.c (iteration_info): Similarly for 'v'.
5908 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
5909 * calls.c (expand_call): Similarly for 'i'.
5910 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
5911 * fold-const.c (strip_compund_expr): Similarly for 'type'.
5912 * function.c (fixup_var_refs_1): Similarly for 'width'.
5913 (fixup_memory_subreg): Similarly for 'saved'.
5914 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
5915 (setjmp_protect): Similarly for 'sub'.
5916 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
5917 * loop.c (record_giv): Similarly for 'p'.
5918 (combine_givs): Similarly for 'temp_iv'.
5919 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
5920 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
5921 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
5922 * unroll.c (unroll_loop): Similarly for 'copy'.
5923 (iteration_info): Similarly for 'b'.
5924 * varasm.c (assemble_string): Similarly for 'i'.
5925 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
5927 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
5929 * c-lang.c (lang_print_xnode): New function.
5930 * objc/objc-act.c (lang_print_xnode): Likewise.
5931 * print-tree.c (print_node): Call it
5933 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
5935 * dwarf2out.c (decl_scope_node): New type.
5936 (decl_scope_table): Change type to use it.
5937 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
5938 (push_decl_scope): Use new type. New locals containing_scope, i.
5939 Add code to handle setting previous field.
5940 (scope_die_for): Change type of local i to int. Add code to use
5942 (dwarf2out_init): Use new type.
5944 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
5946 * except.c (emit_throw): Lose throw_used.
5948 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5950 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
5952 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
5954 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
5956 * genextract.c (main): Fix typo.
5958 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
5960 * c-lang.c (finish_file): Bracket declaration of static_ctors,
5963 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
5964 'old_stack_arg_under_construction'
5965 (emit_library_call): Bracket declaration of 'upper_bound',
5966 'lower_bound', 'i', 'reg_parm_stack_space'
5967 (emit_library_call_value): Likewise.
5970 * collect2.c: include <unistd.h> when appropriate.
5971 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
5973 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
5975 * explow.c (plus_constant_for_output_wide): Remove unused variable
5977 (memory_address): Remove unused variable 'orig_x'.
5979 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
5980 (write_const_num_delay_slots): Remove unused variable 'i'.
5982 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
5983 (gen_insn): Remove unused variable 'obstack_ptr'.
5985 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
5987 (__bb_exit_trace_func): Remove unused variable 'e'.
5989 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
5991 (expand_unop): Remove unused variable 'funexp'.
5992 (expand_complex_abs): Remove unused variable 'funexp'.
5993 (init_optabs): Bracket declaration of 'j'.
5994 (init_complex_libfuncs): Deleted. Dead static function.
5996 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
5998 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
5999 (reg_to_stack): 'initialized', 'before_function_beg'
6000 explictly type as ints instead of defaulting.
6001 (emit_swap_insn): Remove unused variable 'i2'.
6002 (compare_for_stack_reg): Remove unused variable 'src_note'.
6004 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
6006 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
6008 * stmt.c (add_case_node): Add parens for assignment used as truth.
6009 (all_cases_count): Remove unused variable 'count_high'.
6010 (mark_seen_cases): Remove unused variable 'i'.
6011 (check_for_full_enumeration_handling): Remove unused variable 't'.
6012 Bracket declaration of 'all_values', 'l'.
6014 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
6016 * varasm.c (assemble_string): Remove unused variable 'i'.
6017 (immed_double_const): Remove unused variable 'in_current_obstack'.
6018 (immed_real_const_1): Likewise.
6019 (output_constant_pool): Remove unreferenced label 'done'.
6020 (output_constant): Remove unused variable 'x'.
6022 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
6025 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
6028 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6030 * combine.c (can_combine_p): Handle USEs in PARALLELs.
6032 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
6034 * config/linux.h (LIB_SPEC): Add -lc for -shared if
6035 USE_GNULIBC_1 is not defined.
6036 * config/sparc/linux.h; Ditto.
6038 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
6040 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
6041 USE_GNULIBC_1 is not defined.
6043 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
6045 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
6048 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6050 * system.h: New file to get common systems includes and various
6051 definitions and declarations based on autoconf macros.
6053 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
6055 * cccp.c (new_include_prefix): Correctly handle -I./.
6057 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
6059 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
6061 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
6063 * expr.c (expand_assignment): Correct typo exposed by -Wall.
6064 offset should have been a truth value, not an assignment.
6066 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
6068 * cse.c (delete_dead_from_cse): If a libcall produces a constant
6069 result and that result can be substituted into SET_SRC of the
6070 insn with the REG_RETVAL note, then perform the substitution
6071 and delete the libcall.
6073 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
6075 * mips.md (trucndihi2,truncdiqi2): Change these to support
6078 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
6080 * mips/mips.c (movdi_operand): Direct referances to symbols
6081 that arn't mips16 consts in mips16 mode arn't valid operands.
6083 * mips/mips.c (mips_move_2words): Add gprel handling.
6085 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
6087 * mips.md (extendsidi2): Allow extension to/from a non-mips16
6090 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
6092 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
6095 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6097 * Makefile.in (WARN_CFLAGS): New variable.
6098 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
6100 1998-02-11 Mark Mitchell <mmitchell@usa.net>
6102 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
6103 falling through default case in switch.
6104 (i386_aligned_p): Likewise.
6106 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
6108 * mips/mips.h (mips_abi_string): Correct typo in comment.
6110 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
6112 * mips/mips.md (movdi): These PLUS's need to be Pmode.
6114 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6116 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
6117 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
6118 indirectly via expr.h.
6120 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
6122 * stor-layout.c (layout_type): Do upper - lower in the native type,
6123 so as to properly handle negative indices.
6125 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
6127 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
6128 (expand_eh_region_start_tree): Remove unused variable 'note'.
6129 (exception_optimize): Remove unused variable 'regions'.
6130 (expand_builtin_eh_stub): Remove unused variable 'temp'.
6131 (copy_eh_entry): Deleted. Dead function.
6133 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
6134 'last' with same #if HAVE_load_multiple as use of it.
6135 (move_block_from_reg): Likewise.
6136 (emit_move_insn_1): Remove unused variable 'insns'.
6137 (store_constructor): Bracket declaration of startb, endb with
6138 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
6139 'target', and 'xtarget'.
6140 (expand_builtin_setjmp): Remove unused variables 'op0',
6141 'next_arg_reg', 'old_inhibit_defer_pop'.
6142 (expand_builtin): Remove unused variable 'offset'.
6143 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
6144 (emit_queue): Add parens for assignment used as conditional.
6145 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
6147 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
6149 * i386.c: Added include for recog.h.
6150 (override_options): Removed unused variable p. Initialized regno to
6152 (order_regs_for_local_alloc): Initialized regno to avoid warning.
6153 (legitimize_address): Likewise for 'other'.
6154 (i386_aligned_reg_p): Added default case with abort ().
6155 (print_operand): Likewise.
6156 (reg_mentioned_in_mem): Likewise.
6157 (ix86_expand_binary_operator): Removed unused variables i & insn.
6158 (ix86_expand_unary_operator): Removed unused variable insn.
6159 (output_fp_cc0_set): Removed unused variable unordered_label.
6161 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
6163 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
6164 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
6165 and format string match.
6167 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
6169 * flow.c (life_analysis): Do not conside the stack pointer live at
6170 the end of a function if the fucntio ncalls alloca.
6171 (mark_used_regs): Similarly.
6173 1998-02-10 John F Carr <jfc@mit.edu>
6175 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
6176 1, fzero on alternative 8.
6178 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6180 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
6182 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6184 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
6185 SUBREGs of CONST_INTs.
6187 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
6189 * mips.c (print_operand, function_prologue): Make printf format
6190 match argument type.
6192 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6194 * alpha.c (alpha_return_addr): Remove unused variable `first'.
6195 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
6196 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
6198 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6200 * loop.c (strength_reduce): When placing increment for auto-inc
6201 case, do comparison in loop order.
6203 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
6205 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
6206 not a HOST_WIDE_INT.
6208 * calls.c (expand_call): Change test of expand_inline_function
6209 return value to stop compiler warning.
6211 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
6213 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
6214 Jeff Law (law@cygnus.com)
6216 * regmove.c: Fix various minor formatting problems.
6217 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
6218 is true. Make end of basic block tests consistent through regmove.c.
6219 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
6220 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
6222 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6224 * gansidecl.h: Check for a conflicting macro definition before
6225 attempting to prototype bcopy, bcmp or bzero.
6227 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
6229 * expr.c (clear_pending_stack_adjust): Handle case where a function
6230 calls alloca, but the user has specified -fomit-fframe-pointer.
6232 * function.c (assign_parms): Fix typo in last change.
6234 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
6236 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
6238 (free_path_suffix): Remove unreferenced static function.
6239 (process_command): Remove unused variable temp.
6240 (default_arg): Remove unused variable i.
6241 (do_spec_1): Add parens for assignment used as truth value.
6243 (validate_all_switches): Likewise.
6244 (main): Remove unused variables i, first_time>
6246 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
6248 * calls.c (expand_call): Remove unused variables funtree,
6249 n_regs, and tmpmode.
6251 * dbxout.c, except.c: Include <string.h>/<strings.h>.
6253 * explow.c: (plus_constant_for_output_wide) Removed unused
6254 variable all_constant.
6256 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
6257 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
6258 genrecog.c, global.c, integrate.c , stupid.c : Include
6261 * genextract.c: (walk_rtx) Remove unused variable link.
6263 * genrecog.c: (concat) Remove unreferenced static function.
6265 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
6267 * stmt.c: Include <stdlib.h>.
6268 (expand_asm_operands): Remove unused variable val1.
6269 (expand_return): Remove unused variable block.
6270 (pushcase): Remove unused variables l and n.
6271 (pushcaserange): Likewise.
6273 * unroll.c (unroll_loop): Remove unused variable temp.
6275 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
6277 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
6279 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6281 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
6282 functions for whether they support the %p format specifier.
6283 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
6284 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
6285 * configure, config.in: Rebuild.
6287 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
6289 * function.c (assign_parms): New variable named_arg, with value
6290 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
6292 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
6294 * mips/t-r3900: New - same as t-ecoff but eliminate
6295 multilibs: mips1 and mips3.
6296 * configure.in (tx39*): Use new mips/t-r3900.
6297 * configure: Rebuild.
6298 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
6300 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
6302 * dwarf2out.c: Add old_args_size.
6303 (dwarf2out_args_size): Use it.
6304 (dwarf2out_begin_prologue): Initialize it.
6305 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
6306 pushed args until we see a call.
6307 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
6308 before outputting them.
6310 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
6312 * cplus-dem.c (demangle_template_template_parm): New function.
6313 (demangle_template): Handle template template parameters.
6315 1998-02-02 Mark Mitchell <mmitchell@usa.net>
6317 * calls.c (expand_call): Don't confuse member functions named
6318 realloc, setjmp, and so forth with the standard library
6319 functions of the same names.
6321 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
6323 * stmt.c (expand_asm_operands): Correctly identify asm statements
6326 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
6328 * c-common.c (decl_attributes): Flag unrecognized attribute
6329 functions as warnings instead of as errors.
6331 1998-02-05 Marc Lehmann <pcg@goof.com>
6333 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
6334 when -Os is specified.
6335 * toplev.c (main): Don't disable flag_inline_functions anymore when
6338 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6340 * regmove.c: Update.
6341 * flags.h (flag_regmove): Declare.
6342 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
6343 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
6344 Moved into regmove; changed caller.
6345 * toplev.c (rest_of_compilation): Call regmove_optimize also for
6346 expensive_optimizations.
6348 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
6350 * version.c: Bump for snapshot.
6352 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6353 Undo this change (the problem was actually in reload):
6354 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6356 * sh.md (movqi_i+1): New peephole.
6358 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
6360 * jump.c (jump_optimize): Lose calls to modified_in_p they are
6361 not needed anymore due to changes elsewhere in jump.c.
6363 * jump.c (jump_optimize): Fix first arg to modified_in_p in
6366 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
6368 * expr.c (expand_builtin_setjmp): Accept two new arguments for
6369 the labels to branch to on first and subsequent executions. Don't
6370 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
6371 and provide it with the jmp_buf. Use only one of
6372 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
6373 and provide the former with the target label.
6374 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
6375 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
6376 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
6377 insn to replace all of the normal nonlocal_goto code. Don't play
6378 with __dummy. Correct arguments to nonlocal_goto.
6379 * expr.h (expand_builtin_setjmp): Update prototype.
6380 * except.c (start_dynamic_handler): When using builtin_setjmp,
6381 generate more accurate flow information.
6383 * alpha.md (nonlocal_goto_receiver_osf): Delete.
6384 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
6385 (builtin_longjmp, builtin_setjmp_receiver): New.
6386 * sparc.md (update_return): Disambiguate unspec number.
6387 (nonlocal_goto): Rearrange arguments to match caller in except.c.
6388 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
6390 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
6391 (builtin_setjmp_setup*, builtin_longjmp): New.
6393 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
6395 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
6397 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
6399 * vmsconfig.com: Remove bytecode references.
6401 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6403 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
6404 -fno-sjlj-exceptions works for a target that defines
6405 DWARF2_UNWIND_INFO as zero.
6407 * regmove.c (fixup_match_1): Undo last change which removed some
6408 "useless" code, and add a comment explaining this.
6410 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
6412 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
6415 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
6417 * makefile.vms: Remove bytecode references.
6418 Create genrtl files.
6420 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
6422 * jump.c (jump_optimize): Allow conditional loading of floating point
6423 constants and constants from memory. Reinstalled modified_in_p tests.
6425 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6427 * loop.c (get_condition): Handle sign-extended constants.
6429 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
6431 * expr.c (emit_push_insn): Add code to use movstrti if present.
6433 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
6434 and movstrqi as in emit_block_move ().
6436 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6438 * config/m68k/x-next: Remove /NextDeveloper/Headers from
6439 the directories to fixinclude - /usr/include is a link
6440 to it and hence its contents are fixed by default.
6442 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
6444 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
6446 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
6448 * cccp.c (main): Predefine __VMS_VER on VMS.
6450 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6452 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
6453 * fold-const.c (size_int): Replace with
6455 (make_bit_field_ref): Use bitsize_int for bit position.
6456 * stor-layout.c (sizetype): Delete.
6457 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
6458 (layout_record, layout_union, layout_type):
6459 Use bitsize_int for bit size.
6460 (set_sizetype): New function.
6461 (make_signed_type, make_unsigned_type): Use it.
6462 * c-decl.c (init_decl_processing): Likewise.
6463 * tree.h (size_int): Don't delcare, #define.
6464 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
6465 (set_sizetype): Declare.
6466 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
6468 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
6469 Convert result to sizetype.
6470 (really_start_incremental_init, push_init_level):
6471 Set type of constructor_bit_index to sbitsizetype.
6472 (push_init_level): Use unsigned arithmetic to determine padding.
6473 (output_init_element): Likewise.
6475 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
6477 * combine.c (simplify_shift_const): Fix typo in last change.
6479 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
6481 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
6482 is (truncate (lshiftrt)).
6484 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
6486 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
6487 Make sure result winds up in TGT.
6488 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
6489 src to be other than DImode.
6490 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
6491 (alpha_expand_unaligned_store_words): Likewise.
6492 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
6493 that source and destination are separately optimized for alignment.
6494 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
6496 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
6498 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
6499 with handling of -32768.
6501 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6503 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
6504 shell variable argument instead of only hard coded functions.
6505 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
6507 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
6508 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
6509 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
6510 declarations for bcopy, bcmp and bzero.
6512 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
6514 * gansidecl.h: If we have bcopy but don't declare it, then do so.
6515 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
6516 bzero, index and rindex if they aren't already present.
6518 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
6520 * toplev.c (close_dump_file): Wrap function prototype for
6521 argument "func" in PROTO.
6522 (dump_rtl): Likewise.
6524 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
6526 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
6528 (output_function_epilogue): Omit epilogue if nothing drops through.
6529 (output_move_double): Supress int ldd usage on ultrasparc and v9.
6530 (registers_ok_for_ldd_peep): Likewise.
6531 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
6532 (ultrasparc_adjust_cost): New function.
6533 (sparc_issue_rate): New function.
6534 * sparc.h (MASK_VIS, TARGET_VIS): New
6535 (MASK_V8PLUS, TARGET_V8PLUS): New.
6536 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
6537 (TARGET_SWITCHES): Add vis and v8plus.
6538 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
6539 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
6540 (RTX_COSTS): Use TARGET_HARD_MUL
6541 (ADJUST_COST): Call ultrasparc_adjust_cost.
6543 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
6544 of load & fp appropritely.
6545 (supersparc function units): Adjust for Haifa.
6546 (ultrasparc function units): Likewise.
6547 (get_pc_via_rdpc): All v9, not just arch64.
6548 (movdi_v8plus, movdi_v8plus+1): New.
6549 (adddi3_sp32+1): New.
6550 (subdi3_sp32+1): New.
6551 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
6552 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
6553 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
6554 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
6555 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
6556 (ldd peepholes): Suppress for v9.
6557 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
6558 (return_subsi): Revmove.
6560 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
6562 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
6563 save/restore MEM rtl.
6565 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
6567 * configure.in: Check for declaration of abort.
6568 * acconfig.h: Corresponding changes.
6569 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
6572 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
6574 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
6577 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
6579 * version.c: Bump for snapshot.
6581 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
6583 * configure.in: Check for atoq and atoll.
6584 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
6585 proper routine for converting ascii into long long values.
6587 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
6589 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
6591 * vmsconfig.com: Remove bytecode references.
6593 * alpha/vms.h (PREFIX): Define.
6595 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
6597 * am-alpha.h: Don't include alloca for OPEN_VMS.
6599 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
6601 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
6602 (GCC_INCLUDE_DIR): Define
6604 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
6605 * makefile.vms: New file.
6607 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
6609 * alpha.c (output_prolog): Output '.name' directive
6610 for minimal traceback information.
6612 * alpha.c (output_prolog): Don't prepend entry point symbols
6613 with '$' on OPEN_VMS.
6615 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
6616 Jeffrey A Law (law@cygnus.com)
6618 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
6621 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
6623 * genemit.c (gen_exp): Likewise.
6624 * genpeep.c (match_rtx): Likewise.
6625 * genrecog.c (write_tree_1): Likewise.
6627 * c-lex.c (yyprint): Use proper format string based upon
6628 disposition of HOST_BITS_PER_WIDE_INT.
6629 (yylex): Put casts in right place for args to build_int_2.
6631 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
6633 * combine.c: Fix typos in Jan27 changes.
6635 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
6637 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
6638 (LINK_SPEC): Likewise.
6639 (STARTFILE_SPEC): Likewise.
6641 1998-01-28 Mike Stump <mrs@wrs.com>
6643 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
6645 * genattrtab.c (reload_completed): Define.
6647 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
6650 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6652 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
6653 SUBREG_REG if the word count is unchanged, also in the input reload
6654 case. Disable non-applicable sanity checks.
6656 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
6658 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
6660 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
6662 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
6664 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
6666 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
6667 is a TREE_VEC before trying to use it for baseclasses.
6668 (Chill uses the same field for a different purpose.)
6670 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
6672 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
6674 * config.sub: More accurate determination of HP processor types.
6676 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6678 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
6679 prototype for `handle_sysv_pragma', and make it static. Add
6680 parentheses around assignment used as truth value.
6682 * combine.c (combine_instructions): Protect variable `prev' with
6684 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
6685 (extract_left_shift): Add parentheses around operand of &.
6686 (merge_outer_ops): Avoid an empty body in an else-statement.
6687 (gen_rtx_combine): Remove unused variable `i'.
6689 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
6690 function monstartup `void'. Likewise for internal_mcount. Add
6691 `static void' prototype for moncontrol. Reconcile sprintf format
6694 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
6695 Make return type of function_arg_slotno explicitly `int'.
6696 (reg_unused_after): Add parentheses around assignment used as
6698 (save_regs): Add explicit braces to avoid ambiguous `else'.
6699 (function_arg_slotno): Add parentheses around && within ||.
6700 (function_arg_pass_by_reference): Likewise.
6701 (sparc_flat_output_function_prologue): Reconcile fprintf format
6704 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
6705 assignment used as truth value.
6707 * cplus-dem.c: Include <stdlib.h>.
6708 (demangle_signature): Avoid an empty body in an else-statement.
6709 (do_type): Remove unused variable `lvl'.
6711 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
6712 Include <string.h>/<strings.h>.
6713 (cpp_lex): Remove unused variable `namelen'.
6714 (cpp_lex): Explicitly declare `num_chars' as an int.
6716 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
6717 <unistd.h> instead. Explicitly declare is_system_include
6719 (make_assertion): Remove unused variable `kt'.
6720 (cpp_expand_to_buffer): Hide variable `obuf'.
6721 (output_line_command): Remove unused variables, `line_end',
6722 `line_cmd_buf' and `len'.
6723 (macarg): Remove unused variable `arg_start'.
6724 (special_symbol): Remove unused variable `i'. Add parentheses
6725 around assignment used as truth value.
6726 (do_include): Remove unused variables `pcfname' and `retried',
6727 hide `pcf' and `pcfbuflimit'.
6728 (do_line): Remove unused variable `i'.
6729 (finclude): Hide variable `missing_newline'.
6730 (cpp_handle_options): Remove unused variable `j'.
6731 (read_token_list): Remove unused variable `eofp'.
6732 (cpp_error_with_line): Remove unused variable `i'.
6733 (cpp_warning_with_line): Likewise.
6734 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
6735 (cpp_error_from_errno): Remove unused variable `i'.
6737 * cse.c (invalidate): Add parentheses around assignment used as
6739 (find_best_addr): Move declaration of variable `our_cost' inside
6740 the conditional macro where its used.
6741 (fold_rtx): Avoid an empty body in an if-statement.
6742 (cse_insn): Wrap variables `this_insn_cc0_mode' and
6743 `this_insn_cc0' in macro HAVE_cc0.
6745 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
6746 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
6747 (output_uleb128): Likewise.
6748 (output_sleb128): Likewise.
6749 (output_cfi): Likewise.
6750 (output_call_frame_info): Remove unused variables `j', `fde_size'
6752 (comp_unit_has_inlines): Hide declaration as per rest of file.
6753 (size_of_line_prolog): Correct typo in prototype.
6754 (add_arange): Likewise.
6755 (output_aranges): Likewise.
6756 (add_name_and_src_coords_attributes): Likewise.
6757 (gen_array_type_die): Likewise.
6758 (gen_inlined_subroutine_die): Likewise.
6759 (equate_decl_number_to_die): Remove unused variable `i'.
6760 (print_die): Reconcile format vs. args in fprintf's.
6761 (print_dwarf_line_table): Likewise.
6762 (output_die): Likewise.
6763 (output_line_info): Likewise.
6764 (add_subscript_info): Avoid an empty body in an else-statement.
6765 (gen_subprogram_die): Remove unused variable `fp_loc'.
6767 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
6768 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
6769 macro. Protect `src_coords_attribute' prototype with
6770 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
6771 prototype as in the rest of the file. Likewise for
6772 `output_pointer_type_die' and `output_reference_type_die'. Remove
6773 prototype for `type_of_for_scope'.
6774 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
6775 (type_attribute): Add explicit braces to avoid ambiguous `else'.
6777 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
6778 (shorten_branches): Protect declaration of tmp_length with
6779 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
6780 (profile_function): Protect declaration of `sval' and `cxt'
6781 variables with appropriate macros.
6782 (final_scan_insn): Likewise for `note' variable. Add explicit
6783 braces to avoid empty body in an if-statement.
6784 (output_asm_insn): Move variable `i' inside macro conditional
6785 where it is used. Add parentheses around assignment used as truth
6787 (asm_fprintf) Likewise, likewise.
6789 * fix-header.c (main): Remove unused variable `done'. Protect
6790 declaration of `i' with FIXPROTO_IGNORE_LIST.
6792 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
6794 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
6797 * profile.c: Include <string.h>/<strings.h>.
6798 (instrument_arcs): Remove unused variables `note', `inverted',
6799 `zero' and `neg_one'.
6800 (branch_prob): Avoid empty body in an if-statement.
6802 * regclass.c: Include <stdlib.h>.
6803 (reg_alternate_class): Explicitly declare parameter `regno'.
6805 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
6806 parentheses around assignment used as truth value.
6807 (find_matches): Remove unused variables `output_operand' and
6809 (fixup_match_1): Remove statement with no effect: "if (0) ;".
6811 * scan.c (sstring_append): Explicitly declare `count' as int.
6812 (scan_string): Explicitly declare parameter `init' as int.
6814 * sched.c: Include <stdlib.h>.
6815 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
6816 (rank_for_schedule): Add parentheses around assignment used as
6818 (schedule_block): Likewise.
6819 (regno_use_in): Likewise.
6820 (schedule_insns): Remove unused variable `i'.
6822 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
6823 (v_message_with_decl): Remove unused variable `n'.
6824 (botch): Explicitly declare parameter `s' as char *.
6825 (main): Add parentheses around assignment used as truth value.
6827 * tree.c (make_node): Protect the variable `kind' with the
6828 GATHER_STATISTICS macro.
6829 (real_value_from_int_cst): Move variable `e' inside conditional
6830 macro area where it is used.
6831 (tree_last): Add parentheses around assignment used as truth value.
6832 (build1): Protect the variable `kind' with the GATHER_STATISTICS
6834 (print_obstack_statistics): Reconcile format vs. args in fprintf.
6835 Protect variables `i', `total_nodes', and `total_bytes' with the
6836 GATHER_STATISTICS macro.
6838 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
6840 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
6841 some comments regarding use of dead_or_set_p.
6843 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
6845 * fixincludes: Tweak fix for struct exception in math.h
6847 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
6849 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
6850 Change mode of registers used to add/sub from
6851 hard_frame_pointer_rtx from word_mode to Pmode.
6853 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
6855 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
6856 asm_output_aligned_bss() instead of asm_output_bss().
6858 * toplev.c (rest_of_compilation): Replace references to
6859 stack_reg_dump_file and dbr_sched_dump_file with references to
6862 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6864 * tlink.c (scan_linker_output): Call fclose() for opened files.
6866 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
6868 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
6869 compiling with -fpic -- we want to be able to override symbols
6871 (alpha_expand_block_move): Fix thinko in last change.
6873 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
6874 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
6875 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
6877 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
6879 * alpha.md (abssf, absdf): Revert last change.
6881 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
6883 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
6884 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
6886 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
6888 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
6889 a CONST_INT into SFmode.
6891 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
6893 * flags.h: New flag (optimize_size).
6894 * toplev.c (main): Parse -Os option and set optimize_space
6896 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
6897 __OPTIMIZE_SIZE__ when compiling with -Os.
6898 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
6899 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
6900 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
6902 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
6904 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
6906 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
6907 stuff only if MCT_TEXT is #define'd.
6909 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
6911 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
6914 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
6916 * toplev.c: Add -dM command line option to dump RTL after the
6917 machine dependent reorganisation pass, if there is one.
6918 Reorganise RTL dump code, so that only one file handle is
6921 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
6923 * except.c (check_exception_handler_labels): Disable warning when
6926 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
6928 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
6930 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6932 * c-decl.c (grokdeclarator): Get parameter tags from
6933 last_function_parm_tags.
6934 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
6935 traversing the parameter types.
6936 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
6938 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
6940 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
6942 (get_shift_alg): Fix typo.
6944 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
6946 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
6948 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
6950 * toplev.c (get_run_time): Make sure each case gets its variables.
6952 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
6954 * configure.in (build_xm_file): Add auto-config.h if host=build.
6955 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
6956 (build_xm_file_list): Likewise.
6957 * configure: Rebuild.
6959 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6961 * recog.c (validate_replace_rtx_1): Only perform substitutions
6962 of arguments to commutative and comparison operators once.
6964 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6966 * sparc.c (output_cbranch): Add default case in
6969 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
6970 (emit_delay_sequence): Eliminate unused parameter, all callers
6972 (fill_simple_delay_slots): Likewise.
6973 (fill_slots_from_thread): Likewise.
6974 (fill_eager_delay_slots): Likewise.
6975 (mark_referenced_resources): Add default case in enumeration switch.
6976 (mark_set_resources): Likewise.
6977 (rare_destination): Likewise.
6978 (mostly_true_jump): Likewise.
6979 (find_dead_or_set_registers): Likewise.
6980 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
6981 (update_reg_unused_notes): Remove unused variable `p'.
6982 (mark_target_live_regs): Remove unused variables `next' and
6984 (fill_simple_delay_slots): Remove unused variable `j'.
6985 (fill_slots_from_thread): Add parentheses around assignment used
6987 (dbr_schedule): Likewise.
6989 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
6990 (objc.stage2, objc.stage3, objc.stage4): Likewise.
6992 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
6994 * cse.c (simplify_ternary_operation): Don't try to simplify
6995 IF_THEN_ELSE expressions (created by combine) that don't use
6996 relational operators.
6998 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
7000 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
7003 * crtstuff.c (init_dummy): Keep the epilogue in the init
7004 section for non-ELF systems.
7006 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7008 * sh.md (movqi_i+1): New peephole.
7010 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
7012 * Makefile.in: Remove remaining bytecode stuff.
7013 * emit-rtl.c, expr.c: Likewise.
7015 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
7017 * toplev.c (lang_options): Add unknown-pragma options.
7019 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
7021 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
7022 special (and incomplete) handling for Chill arrays.
7024 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
7026 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
7029 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
7031 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
7033 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
7035 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
7036 .frame directive instead of FRAME_POINTER_REGNUM.
7038 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
7040 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
7041 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
7042 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
7043 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
7044 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
7045 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
7046 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
7047 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
7049 * longlong.h: Replace __mc68332__ with __mcpu32__.
7051 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
7053 * version.c: Bump for snapshot.
7055 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
7057 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
7058 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
7059 * reload1.c (eliminate_regs): Likewise.
7061 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
7063 * regmove.c (find_matches): Initialize matches->earlyclobber too.
7065 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
7067 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
7068 (negsf2, negdf2): Use proper subtract in IEEE mode.
7070 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
7072 * Makefile.in: Remove more bytecode stuff.
7073 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
7074 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
7075 * f/install.texi, objc/Make-lang.in: Likewise.
7077 * Makefile.in: Remove all bytecode support.
7078 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
7079 * emit-rtl.c: Remove all bytecode support.
7080 * expr.c, expr.h function.c, integrate.c: Likewise.
7081 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
7082 * tree.h, varasm.c: Likewise.
7083 * config/m68k/m68k.h: Likewise.
7084 * bi-*, bc-*, bytecode*: Delete bytecode related files.
7085 * modemap.def: Likewise.
7087 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
7089 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
7090 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
7092 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
7094 * i386.md (push): Prohibit symbolic constants if flag_pic.
7095 (movsi+1): Likewise for move to non-register.
7097 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
7099 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
7100 (print_operand): Handle 0xffffffff on 32 bit host.
7102 * configure.in (thread_file): Rename uses before main loop to
7103 target_thread_file. Initialize to empty in main loop. Set thread_file
7104 to target_thread_file after main loop if not set.
7105 * configure: Rebuild.
7107 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
7108 (add_values_to_cover): Revert last change (which had no ChangeLog
7110 (simplify_with_current_value_aux): Handle CONST_INT.
7112 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7114 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
7116 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
7118 * configure.in: Add cpp stringify test.
7119 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
7120 * gengenrtl.c: Use it.
7121 * configure, config.in: Rebuild.
7123 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7125 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
7127 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
7129 * configure.in: Find declaration for sbrk.
7130 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
7131 * config.in, configure: Rebuild.
7132 * mips-tfile.c: Properly protect declaration of sbrk and free.
7133 * toplev.c: Properly protect declaration of sbrk.
7135 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
7137 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
7139 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
7141 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
7143 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
7145 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
7147 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
7149 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
7150 constant offset computations from objects with known alignment in
7151 the presence of STACK_BIAS.
7153 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
7155 (const_hash): Hash val is unsigned long.
7156 (SYMHASH): Likewise.
7158 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
7160 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
7161 char pointer, not HOST_WIDE_INT.
7162 (print_node): Likewise. Also hash is unsigned long not
7165 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
7167 * explow.c (optimize_save_area_alloca): New function for targets
7168 where SETJMP_VIA_SAVE_AREA is true.
7169 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
7170 compute the amount of stack space needed should we find later that
7171 setjmp is never called by this function, stuff rtl for this inside
7172 a REG_NOTE of the final SET of stack_pointer_rtx.
7173 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
7174 current_function_calls_alloca, call optimize_save_area_alloca.
7176 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
7178 * i386.md: Remove redundant integer push patterns.
7179 Don't bother checking for TARGET_PUSH_MEMORY when
7180 pushing constants or registers.
7182 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
7183 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
7185 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
7186 (pwait): New function for mingw32.
7188 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
7189 pipe support is broken for now.
7191 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
7193 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
7194 between frame_pointer_rtx, hard_frame_pointer_rtx, and
7195 arg_pointer_rtx is respected in initialization.
7196 (init_emit_once): Use gen_rtx_raw_REG() to create
7197 return_address_pointer_rtx.
7199 * reorg.c: #include "expr.h" for rtx prototypes.
7200 * Makefile.in (reorg.o): Depend on expr.h
7202 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
7204 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
7205 local_prefix to sub-make invocations.
7207 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
7209 * objc-parse.c: Recognize protocol qualifiers in class definitions.
7211 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
7215 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
7216 * configure.in: Check for atol.
7217 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
7219 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
7221 * loop.c (find_and_verify_loops): When attempting to move insns from
7222 inside the loop outside the loop, create a BARRIER if no suitable
7225 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
7226 favor of an equivalent change from gcc-2.8.
7228 * i386/x-sco5 (CC): Remove trailing whitespace.
7230 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7232 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
7233 (accessor_from_format): Likewise.
7234 (xmalloc): New function for use when linking with alloca.o.
7236 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
7238 * frame.c (find_fde): Correct FDE's upper bound.
7240 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
7242 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
7244 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
7246 * calls.c (expand_call): Move #ifdef code out of macro argument
7248 (emit_library_call, emit_library_call_value): Likewise.
7250 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
7252 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
7254 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
7256 * version.c: Bump for snapshot.
7258 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
7260 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
7261 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
7262 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
7263 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
7264 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
7265 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
7266 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
7267 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
7268 * unroll.c, varasm.c: Likewise.
7269 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
7271 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
7273 * mips.h: Fix some type-o's from a previous change.
7275 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
7277 * loop.c (check_dbra_loop): Make sure initial value is a
7278 CONST_INT before trying to normalize it.
7280 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
7282 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
7284 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
7286 * cppexp.c: Include gansidecl.h
7288 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
7290 * svr4.h (LINK_SPEC): Never specify -h.
7291 * ptx4.h (LINK_SPEC): Likewise.
7292 * rs6000/sysv4.h (LINK_SPEC): Likewise.
7293 * sparc/sol2.h (LINK_SPEC): Likewise.
7295 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
7297 * c-typeck.c (comptypes): Exit early on NULL input.
7299 * haifa-sched.c (schedule_insns): Correctly remove inter-block
7300 dependencies after reload.
7302 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
7304 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
7306 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
7308 * alpha/vms.h (DIR_SEPARATOR): define
7310 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
7312 * Makefile.in (stamp-proto): Remove.
7313 (protoize.o, unprotoize.o): Straightforward compile.
7314 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
7316 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
7318 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
7319 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
7321 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
7323 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
7324 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
7325 * sparc/netbsd.h, vax/netbsd.h: Likewise.
7327 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
7329 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
7331 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
7333 * configure.in (target_cpu_default, target_cpu_default2): Use double
7334 quotes around them when testing their value.
7335 * configure: Rebuilt.
7337 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
7339 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
7341 (gendef): Call obstack_alloc_rtx.
7343 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
7345 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
7348 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
7350 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
7351 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
7352 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
7354 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
7356 * mips.md (return_internal): Change mode from SImode to VOIDmode.
7358 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
7360 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
7363 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
7365 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
7366 suffix from operand 3.
7368 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7369 Jeffrey A Law (law@cygnus.com)
7371 * regmove.c: New implementation of regmove pass.
7372 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
7373 decls, make them have external linkage. Return a value from
7374 optimize_reg_copy_1.
7375 * reload.h (count_occurrences): Add decl.
7376 * reload1.c (count_occurrences): Delete decl, make it have external
7378 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
7380 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
7382 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
7383 if it is not defined.
7385 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
7387 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
7388 * emit-rtl.c (gen_rtx): Move special code to ...
7389 (gen_rtx_CONST_INT): New function.
7390 (gen_rtx_REG): New function.
7391 (*): Update all calls to gen_rtx.
7392 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
7393 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
7394 (GEN_INT): Call gen_rtx_CONST_INT.
7395 * gengenrtl.c: New file.
7397 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
7399 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
7400 (base_alias_check): If no base found for address call canon_rtx and
7403 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
7405 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
7406 arguments for mips16.
7407 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
7408 Don't lose if tsize is zero after handling large stack for mips16.
7409 * mips.md (return): For trivial return, return address is in $31.
7411 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
7413 * mips/mips16.S: Various changes to make it work with -msingle-float
7416 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
7417 Ian Lance Taylor <ian@cygnus.com>
7418 Jeff Law <law@cygnus.com>
7420 * mips.c, mips.h, mips.md: First cut at merging in mips16
7421 support. Major modifications throughout all three files.
7423 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
7425 * configure.in: Make gthr-default.h a forwarding header instead of
7428 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7430 * gcov-io.h: Include sys/types.h to ensure we get size_t.
7432 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
7434 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
7435 Jeffrey A Law (law@cygnus.com)
7437 * crtstuff.c (__frame_dummy): New function for irix6.
7438 (__do_global_ctors): Call __frame_dummy for irix6.
7439 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
7441 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
7443 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
7445 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
7447 * c-decl.c (init_decl_processing): Provide proper fallback symbol
7448 for __builtin_memset.
7449 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
7450 not INTEGER_CST. Assert arg 3 is a constant.
7452 * alpha.c (mode_width_operand): Accept 64-bit modes.
7453 (mode_mask_operand): Likewise.
7454 (print_operand): Likewise for 'M' and 'U' codes.
7455 (alpha_expand_unaligned_load): New function.
7456 (alpha_expand_unaligned_store): Likewise.
7457 (alpha_expand_unaligned_load_words): Likewise.
7458 (alpha_expand_unaligned_store_words): Likewise.
7459 (alpha_expand_block_move): Likewise.
7460 (alpha_expand_block_clear): Likewise.
7461 * alpha.h (MOVE_RATIO): New define.
7462 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
7463 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
7465 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
7466 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
7468 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
7470 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
7471 * configure: Update.
7473 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
7475 * emit-rtl.c (operand_subword): Correctly handle extracting a word
7476 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
7478 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
7481 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
7483 * configure.in: Set and subsitute host_exeext. Use it when creating
7484 the assembler and linker symlinks.
7485 * configure: Rebuild.
7486 * Makefile.in (exeext): Set to @host_exeext@.
7487 (build_exeext): New variable, set to @build_exeext@.
7488 (FLAGS_TO_PASS): Pass down build_exeext.
7489 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
7492 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
7494 * mn10200.md (addsi3, subsi3): Fix thinkos.
7496 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
7498 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
7499 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
7500 unix always, since we want to be able to thunk to functions in a
7501 shared library from an application.
7503 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
7505 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
7506 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
7508 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
7510 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
7511 offset's mode is not ptr_mode, convert it.
7513 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
7515 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
7516 compiling if it was already defined.
7518 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
7520 * flow.c (find_basic_blocks): Don't create a new basic block
7521 for calls in a LIBCALL block.
7523 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
7525 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
7527 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
7529 * cse.c (rtx_cost): Remove conflicting default case.
7531 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
7533 * configure.in: Move default enabling of Haifa out of for loop.
7534 * configure: Rebuild.
7536 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
7538 * version.c: Bump for snapshot.
7540 1997-12-25 Teemu Torma <tot@trema.com>
7542 * Makefile.in (GTHREAD_FLAGS): New var.
7543 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
7544 (distclean): Remove gthr-default.h.
7546 * configure.in: Accept dce as a thread package.
7547 Check for thread.h and pthread.h.
7548 Link gthr-default.h to appropriate thread file and set
7550 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
7551 include multilib definitions from pa/t-dce-thr.
7552 (sparc-*-solaris2*): Enable threads by default, if thread.h or
7553 pthread.h is found, preferring posix threads over solaris ones.
7555 * config/pa/t-dce-thr: New file.
7556 * config/pa/t-pa: Removed multilibs.
7557 * config/sparc/t-sol2: Ditto.
7560 * gthr-single.h: New file.
7561 * gthr-posix.h: New file.
7562 * gthr-solaris.h: New file.
7563 * gthr-dce.h: New file.
7564 * libgcc-thr.h: Removed.
7565 * objc/thr-dce.c: New file copied from thr-decosf1.c.
7567 * frame.c: Include gthr.h instead of libgcc-thr.h.
7568 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
7569 (eh_context_initialize): If __gthread_once fails, use static eh
7571 (eh_context_free): Call __gthread_key_dtor.
7573 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
7575 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
7577 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
7579 * cse.c (max_insn_uid): New variable.
7580 (cse_around_loop): Use max_insn_uid.
7581 (cse_main): Set max_insn_uid.
7583 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
7584 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
7585 -mlong64, and -mgp{32,64} options.
7586 * mips.c (mips_abi): Change type to int.
7587 * mips.h (enum mips_abi_type): Delete.
7588 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
7589 (mips_abi): Change type to int.
7591 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
7593 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
7594 optimization is now always enabled.
7596 * calls.c (expand_call): Recognize C++ operator new as malloc-like
7599 * alias.c (memrefs_conflict_p): Eliminate tests now done by
7601 (*_dependence): Call canon_rtx before base_alias_check.
7602 (init_alias_once): New function to precompute set of registers which
7603 can hold Pmode function arguments.
7605 * rtl.h: Declare init_alias_once.
7607 * toplev.c (compile_file): Call init_alias_once.
7609 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
7611 * tree.c (restore_tree_status): Do not dereference a null pointer.
7613 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
7615 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
7616 RLIMIT_STACK. This maintains consistency with the recent, similar
7617 patch to cccp.c and toplev.c.
7619 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
7621 * genattrtab.c (expand_units): For large nr opclasses, expand
7622 function_units_used with ORX to prevent blowups. Tag with FFS.
7623 (num_unit_opclasses): New variable.
7624 (gen_unit): Update it.
7625 (enum operator): Add ORX_OP.
7626 (operate_exp): Treat ORX as or, except don't expand across an if.
7627 Reuse number rtx's after operating on them.
7628 (check_attr_value): Accept IOR, AND, & FFS.
7629 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
7630 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
7631 (write_expr_attr_cache, write_toplevel_expr): New functions.
7632 (write_attr_get): Handle FFS-tagged expressions.
7633 (make_canonical): Don't expand const attributes.
7634 (convert_const_symbol_ref): Dike out.
7635 (evaluate_eq_attr): Handle SYMBOL_REF.
7636 (main): Don't emit get_attr_foo for const attributes.
7638 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
7639 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
7640 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
7641 * alpha.md: Redo all of the scheduling, adding EV6 support, and
7642 combining function units where possible.
7643 (attr "type"): Split loads, stores, cmov into int/fp. Combine
7644 multiplies and divides. Add EV6 sqrt, ftoi, itof.
7645 (attr "opsize"): New attribute.
7646 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
7647 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
7648 to control register allocation.
7649 (movsi2-1, movdi2-1): Likewise.
7651 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
7653 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
7654 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
7655 Move OSF/1 specific defines out.
7656 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
7657 Move Linux specific defines out.
7658 (LINK_SPEC): Genericize.
7659 (ASM_FILE_START): Emit .arch if using more than the base insn set.
7660 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
7661 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
7662 (HANDLE_SYSV_PRAGMA): Define.
7663 * alpha/osf.h: New file.
7664 * alpha/linux.h: Split. Retain file-format independant defines.
7665 Import Linux bits from elf.h.
7666 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
7667 (FUNCTION_PROFILER): _mcount takes its address in $28.
7668 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
7669 * alpha/linux-ecoff.h: New file.
7670 * alpha/linux-elf.h: New file.
7671 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
7672 * alpha/win-nt.h (TARGET_DEFAULT): Define.
7673 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
7674 Add new headers as appropriate.
7676 * configure.in (alpha*): Enable Haifa by default.
7677 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
7678 * configure: Rebuild.
7680 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
7682 * Makefile.in (clean): Remove the stages with their objects here ...
7683 (distclean): ... instead of here.
7685 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7687 * cse.c (rtx_cost): Add default case in enumeration switch.
7688 * fix-header.c (recognized_macro): Likewise.
7689 (recognized_extern): Likewise.
7690 (write_rbrac): Likewise.
7691 * objc/objc-act.c (encode_aggregate): Likewise.
7692 (gen_declarator): Likewise.
7693 (gen_declspecs): Likewise.
7695 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
7697 * haifa-sched.c (create_reg_dead_note): Detect and handle another
7698 case where we kill more regs after sched than were killed before
7700 * sched.c (create_reg_dead_note): Similarly.
7702 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
7704 * c-pragma.c: Include flags.h.
7706 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
7708 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
7709 about system headers.
7710 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
7711 and also to resolve symbols in prefix.c.
7713 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
7714 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
7715 when the definitions in auto-config.h is not visible.
7716 (HAVE_BZERO): Likewise.
7717 (HAVE_BCMP): Likewise.
7718 (HAVE_RINDEX): Likewise.
7719 (HAVE_INDEX): Likewise.
7721 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
7723 * pa.c (emit_move_sequence): Handle a function label source
7726 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
7728 * c-pragma.c (handle_pragma_token): Generate warning messages
7729 about unknown pragmas if warn_unknown_pragmas is set.
7731 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
7732 line option to set variable: warn_unknown_pragmas.
7734 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
7736 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
7738 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
7740 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
7742 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
7743 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
7744 generate more fine grained floating point emulation libraries.
7745 * config/fp-bit.c: Add protecting #ifdef to all functions so
7746 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
7747 then compile all suitable functions.
7748 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
7749 underscores to avoid namespace pollution.
7750 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
7752 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
7756 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7757 Jeff Law <law@cygnus.com>
7759 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
7761 * c-decl.c (finish_decl): Use parentheses around && within ||.
7762 * rtl.c: Include stdlib.h.
7763 (read_skip_spaces): Add parentheses around assignments used as
7765 (read_rtx): Initialize list_rtx.
7766 * cppexp.c (parse_number): Use || when operands are truth values.
7767 * alias.c (find_base_value): Add default case.
7768 (memrefs_conflict): Likewise.
7769 * combine.c (sets_function_arg_p): Likewise.
7770 * genemit.c (gen_exp): Likewise.
7771 * local-alloc.c (contains_replace_regs): Likewise.
7772 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
7773 * fold-const.c (fold_convert): Use "&&" for truth values.
7774 (fold): Add default case.
7775 * sdbout.c (sdbout_field_types): Fix typo in declaration.
7776 (sdbout_one_type): Add default case.
7777 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
7778 (some_operand): Add default case.
7779 (input_operand): Likewise.
7780 (signed_comparison_operator): Likewise.
7781 (divmod_operator): Likewise.
7782 (alpha_set_memflags_1): Likewise.
7783 * reload1.c (reload_cse_simplify_operands): Ensure function
7784 always returns a value.
7785 * scan-decls.c (scan_decls): Likewise.
7786 * c-lex.c (skip_white_space): Fix typo in declaraion.
7787 * c-typeck.c (comp_target_types): Add parentheses around assignment
7788 used as truth value.
7789 (print_spelling): Likewise.
7790 (constructor_implicit, constructor_result): Remove unused variables.
7791 * collect2.c (scan_library): Protect prototype with
7792 #ifdef SCAN_LIBRARIES.
7793 * emit-rtl.c (find_line_note): Fix typo in declaration.
7794 * final.c (asm_insn_count): Protect prototype with
7795 #ifdef HAVE_ATTR_length.
7796 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
7797 (try_pre_increment_1, try_pre_increment): Likewise.
7798 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
7799 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
7800 * gcov-io.h (__store_long, __write_long, __read_long): Fix
7801 unsigned/signed comparisons.
7802 * gcov.c (read_files): Remove unused "first_type" variable.
7803 (scan _for_source_files): Initialize s_ptr.
7804 (function_summary): Eliminate "%lf" formatting, use %ld for
7806 (output_data): Initialize branch_probs and last_line_num.
7807 Eliminate "%lf" formatting, use "%ld" for longs.
7809 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
7811 * mips16.S: New file.
7813 * libgcc2.c (varargs): Handle mips16.
7815 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
7817 * stmt.c (expand_end_case): Likewise.
7818 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
7819 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
7820 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
7822 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7824 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
7825 the build directory.
7826 (libobjc.a): Update dependency list.
7827 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
7829 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
7830 (objc.mostlyclean): Remove runtime-info.h.
7832 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
7834 * tree.c (build_range_type): Allow creation of ranges with no maximum.
7835 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
7836 * dwarf2out.c (add_subscript_info): Likewise.
7837 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
7838 * sdbout.c (plain_type_1): Likewise.
7839 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
7841 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
7844 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7846 * mips.c (fatal): Remove declaration.
7848 1997-12-18 Mark Mitchell <mmitchell@usa.net>
7850 * integrate.c (get_label_from_map): New function.
7851 (expand_inline_function): Use it. Initialize the label_map to
7852 NULL_RTX instead of gen_label_rtx.
7853 (copy_rtx_and_substitute): Use get_label_from_map.
7854 * integrate.h (get_label_from_map): New function.
7855 (set_label_from_map): New macro.
7856 * unroll.c (unroll_loop): Use them.
7857 (copy_loop_body): Ditto.
7859 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
7861 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
7862 (INIT_TARGET_OPTABS): Define.
7863 * mips/ecoff.h: Include gofast.h before mips.h.
7864 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
7865 * mips/elf64.h: Likewise.
7866 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
7868 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
7870 * except.c: Remove register_exception_table{,_p}.
7872 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
7874 * unroll.c (calculate_giv_inc): Handle constant increment found in
7875 a MEM with an appropriate REG_EQUAL note.
7877 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
7879 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
7880 frame pointer in the prologue.
7882 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
7884 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
7885 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
7887 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
7889 * config/m68k/m68k.c (output_function_prologue): Typecast
7890 dwarf2out_cfi_label to (char *).
7891 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
7893 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
7895 * sparc.md (jump): Don't use the annul bit around an empty loop.
7896 Patch from Kevin.Kelly@East.Sun.COM.
7898 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
7900 * jump.c: (jump_optimize): Don't use the return register as a
7901 source1 of a conditional move.
7903 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
7905 * sparc.c (DF_MODES): Or the mask not the bit number.
7906 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
7908 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
7910 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
7912 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
7914 * fixincludes (size_t): Add support for Motorola's stdlib.h
7915 which fails to provide a definition for size_t.
7916 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
7917 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
7918 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
7920 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
7921 prevent unresolved externals in libio.
7922 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
7924 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
7926 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
7927 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
7928 (LIB_SPEC): Updated for glibc 2.
7930 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
7932 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
7933 * ginclude/varargs.h: Likewise.
7935 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
7937 * version.c: Bump for snapshot.
7939 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
7941 * frame.h (__register_frame, __register_frame_table,
7942 __deregister_frame): New.
7943 * frame.c (__register_frame, __register_frame_table,
7944 __deregister_frame): New.
7945 * frame.c (__deregister_frame_info): Return void *.
7946 * frame.h (__deregister_frame_info): Ditto.
7947 * collect2.c (__deregister_frame_info): Ditto.
7949 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
7951 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
7953 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
7955 * alpha.c (alpha_cpu_name): New variable.
7956 (alpha_mlat_string): Likewise.
7957 (alpha_memory_latency): Likewise.
7958 (override_options): Handle -mmemory-latency.
7959 (alpha_adjust_cost): Adjust load cost for latency.
7960 * alpha.h (TARGET_OPTIONS): Add meory-latency.
7961 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
7962 TARGET_CIX into account.
7963 (MEMORY_MOVE_COST): Define in terms of memory_latency.
7964 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
7966 * alpha.h (ASM_COMMENT_START): New macro.
7968 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
7970 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
7971 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
7973 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
7974 SUBREG_REG if the word count is unchanged.
7975 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
7976 subregs of identical word size for push_reload.
7978 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
7980 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
7981 if all we're doing is dealing with -Wreturn-type.
7983 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
7985 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
7986 Use and 255 instead of zapnot 1, since it schedules better.
7988 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
7990 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
7993 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
7995 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
7996 dependency we delete. Properly update prev for multiple consecutive
7998 (priority): Skip deleted dependence.
8000 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
8002 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
8004 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
8006 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
8007 determining when a new basic block starts.
8009 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
8011 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
8012 * pa.md (iorsi3): Add missing args to *_operand calls.
8014 * except.c (call_get_eh_context): Don't mess with sequences.
8015 (emit_eh_context): Include the call in the sequence here.
8017 1997-12-11 Paul Eggert <eggert@twinsun.com>
8019 * collect2.c (write_c_file_glob): Allocate initial frame object
8020 in static storage and pass its address.
8022 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
8024 * except.c (call_get_eh_context): Don't take a parm.
8025 Put the call at the top of the function.
8026 (emit_eh_context): Adjust.
8027 (get_eh_context): Replace with former use_eh_context.
8028 (get_eh_context_once, get_saved_pc_ref): Remove.
8029 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
8031 * integrate.c (expand_inline_function): Adjust.
8032 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
8034 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
8036 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
8037 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
8039 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
8041 * fixincludes (strlen,strspn,strcspn return value): Handle different
8043 (hypot): Provide a fake for hypot which is broken on
8044 m88k-motorola-sysv3.
8046 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
8048 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
8049 tree_code_name from pointers to arrays.
8050 * tree.c: Remove standard_tree_code_* variables, no longer used.
8051 * print-tree.c: Remove declaration of tree_code_name.
8053 * cp/lex.c (init_lex): Update for tree_code_* changes.
8054 * objc/objc-act.c (init_objc): Likewise.
8056 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
8059 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
8061 * config.sub: Add support for BeOS target.
8062 * configure.in: Likewise.
8063 * ginclude/stdarg.h: Likewise.
8064 * ginclude/stddef.h: Likewise.
8065 * ginclude/varargs.h: Likewise.
8066 * rs6000/beos.h: New file for BeOS.
8067 * rs6000/t-beos: Likewise.
8068 * rs6000/x-beos: Likewise.
8069 * rs6000/xm-beos.h: Likewise.
8070 * toplev.c (get_run_time): Just return 0 on BeOS.
8072 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
8073 Toon Moene (toon@moene.indiv.nluug.nl)
8075 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
8076 old and broken Sun3 assemblers. Newer versions handle large
8077 offsets correctly as does the GNU assembler.
8079 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8081 * objc/objc-act.c (lang_report_error_function): Disable.
8082 * objc/objc-parse.y: Include "output.h".
8083 (yyerror): Remove redundant decl.
8084 (yyprint): Fix prototype.
8085 (apply_args_register_offset): Remove redundant decl.
8086 (get_file_function_name): Likewise.
8088 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
8090 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
8092 (find_basic_blocks_1): Likewise.
8094 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
8096 * except.c (use_eh_context): Don't copy_rtx a REG.
8097 (emit_throw): Lose old unwinder support.
8098 (expand_internal_throw): Likewise.
8099 * libgcc2.c (struct eh_context): Likewise.
8100 (new_eh_context): Likewise.
8101 (__get_eh_info): Lose redundant cast.
8102 (__get_dynamic_handler_chain): Likewise.
8103 (__get_saved_pc): Lose.
8104 Lose all old unwinder support code.
8106 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
8108 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
8110 * integrate.c (expand_inline_function): If the inline fn uses eh
8111 context, make sure that the current fn has one.
8112 * toplev.c (rest_of_compilation): Call emit_eh_context.
8113 * except.c (use_eh_context): New fn.
8114 (get_eh_context_once): New fn.
8115 (call_get_eh_context): New fn.
8116 (emit_eh_context): New fn.
8117 (get_eh_context): Call either get_eh_context_once or
8118 call_get_eh_context, depending on what we have.
8119 (get_dynamic_handler_chain): Call get_eh_context_once.
8120 * except.h: Prototypes for fns above.
8121 * optabs.c (get_eh_context_libfunc): Removed.
8122 (init_optabs): Don't initialize it.
8123 * expr.h (get_eh_context_libfunc): Removed.
8124 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
8125 * config/pa/pa.h (CPP_SPEC): Support for -threads.
8126 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
8127 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
8128 New multilib for -threads.
8129 * config/sparc/t-sol2: Added multilibs for -threads and
8130 made -pthreads alias to it.
8131 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
8132 Added -threads and -pthreads options.
8133 * libgcc-thr.h: New file.
8134 * libgcc2.c: (__get_cpp_eh_context): Removed.
8135 (struct cpp_eh_context): Removed.
8136 (struct eh_context): Replaced cpp_eh_context with generic language
8138 (__get_eh_info): New function.
8139 (__throw): Check eh_context::info.
8141 * libgcc2.c: Include libgcc-thr.h.
8142 (new_eh_context, __get_eh_context,
8143 eh_pthread_initialize, eh_context_initialize, eh_context_static,
8144 eh_context_specific, eh_context_free): New functions.
8145 (get_eh_context, eh_context_key): New variables.
8146 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
8147 get_eh_context to get the context.
8148 (longjmp): Move the declaration inside
8149 #ifdef DONT_USE_BUILTIN_SETJMP.
8150 * frame.c: Include libgcc-thr.h.
8151 (object_mutex): Mutex to protect the object list.
8152 (find_fde, __register_frame, __register_frame_table,
8153 __deregister_frame): Hold the lock while accessing objects.
8154 * except.h (get_eh_context): Declare.
8155 * except.c (current_function_ehc): Define.
8156 (current_function_dhc, current_function_dcc): Removed.
8157 (get_eh_context): New function.
8158 (get_dynamic_handler_chain): Use get_eh_context.
8159 (get_saved_pc_ref): Ditto.
8160 (get_dynamic_cleanup_chain): Removed references to
8161 current_function_dcc.
8162 (save_eh_status, restore_eh_status): Save and restore
8163 current_function_ehc instead.
8164 * optabs.c (get_eh_context_libfunc): New variable.
8165 (init_optabs): Initialize it.
8166 * expr.h: Declare get_eh_context_libfunc.
8167 * function.h (struct function): Replaced dhc and dcc with ehc.
8168 * except.c (get_saved_pc_ref): New functions.
8169 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
8170 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
8172 (end_eh_unwinder): Likewise.
8173 (init_eh): Remove initialization of eh_saved_pc.
8174 * optabs.c (get_saved_pc_libfunc): New variable.
8175 (init_optabs): Initialize it.
8176 * expr.h: Declare get_saved_pc_libfunc.
8177 * except.h (eh_saved_pc_rtx): Deleted.
8178 (get_saved_pc_ref): Declared.
8180 From Scott Snyder <snyder@d0sgif.fnal.gov>:
8181 * libgcc2.c (__get_saved_pc): New.
8182 (__eh_type, __eh_pc): Deleted.
8183 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
8184 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
8187 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
8189 * sparc/sol2.h: Use 64 bit multiply and divide functions in
8190 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
8193 * rtl.h (global_rtl): New variable, replacing separate variables for
8195 (const_int_rtx): Now array of rtx_def, not rtx.
8196 * emit-rtl.c: Update for new rtl data structures.
8197 * genattrtab.c: Define global_rtl.
8199 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
8201 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
8204 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
8206 * crtstuff.c (__do_global_ctors): Fix typo.
8208 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
8210 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
8211 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
8213 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
8215 * rs6000.h (FUNCTION_ARG_PADDING): Define.
8216 * rs6000.c (function_arg_padding): New function.
8218 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
8220 * m68k.c: Include tree.h only once.
8222 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8224 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
8226 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
8228 * Partially cleaned up prototyping code from HJ.
8229 * tree.h: Add many prototypes.
8230 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
8231 All references changed.
8232 * rtl.h: Protect from multiple inclusions. Add many prototypes.
8234 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
8236 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
8237 string functions like strlen.
8239 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
8241 * configure.in: Check for functions getrlimit and setrlimit.
8242 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
8243 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
8245 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
8247 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
8249 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
8251 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
8254 * alpha.c (override_options): Don't know about scheduling for EV6.
8255 * alpha.md (ev5 function units): Don't overload as ev6.
8257 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
8258 * alpha.md (define_attr type): Add mvi.
8259 (ev5_e0): Define sceduling parameters for it.
8260 (TARGET_MAX insns): Type is mvi not shift.
8262 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
8264 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
8266 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8268 * cstamp-h, auto-config.h: Delete.
8270 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
8272 * version.c: Bump for snapshot.
8274 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
8276 * cccp.c: Fix typo brought over in merge.
8278 * Merge in changes from gcc-2.8.
8280 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
8282 * m68k.c: Include tree.h for dwarf2out_cfi_label.
8284 * gcc.c (process_command): Do not take address of function fatal when
8285 calling lang_specific_driver.
8287 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
8289 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
8290 doesn't work with it yet, so set it to 0.
8291 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
8293 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
8295 * cse.c (cse_insn): Check for invalid entries when taking references.
8297 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8299 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
8300 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
8301 * toplev.c (rest_of_compilation): Pass it. Remove code to
8302 save / clear / restore flag_unroll_{,all_}loops.
8304 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
8306 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
8308 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
8310 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
8312 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
8314 * except.c (get_dynamic_handler_chain): Only make the call once per
8317 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
8319 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8321 * sh.c (final_prescan_insn): Use local label prefix
8322 when emitting .uses pseudo-ops.
8324 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
8326 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
8327 * except.c: Lose outer_context_label_stack.
8328 (expand_eh_region_end): Rethrow from outer_context here.
8329 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
8330 (expand_internal_throw): Take no args.
8331 (expand_internal_throw_indirect): Lose.
8332 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
8333 (expand_start_all_catch): Start a rethrow region.
8334 (expand_end_all_catch): End it.
8335 (expand_rethrow): New fn.
8336 * except.h: Reflect above changes.
8337 * flow.c: Revert change of Nov 27.
8339 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
8341 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
8343 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
8345 * except.c (expand_fixup_region_end): New fn.
8346 (expand_fixup_region_start): Likewise.
8347 (expand_eh_region_start_tree): Store cleanup into finalization here.
8348 * stmt.c (expand_cleanups): Use them to protect fixups.
8350 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
8352 * mips/mips.md (muldi3_r4000): Broaden the output template
8353 and attribute assignments to handle three operand dmult;
8354 rename to muldi3_internal2.
8355 (muldi3): Call the new muldi3_internal2 for R4000, and
8356 any GENERATE_MULT3 chip.
8358 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
8360 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
8362 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
8364 * unroll.c (find_splittable_givs): Remove last change. Handle givs
8365 with a dest_reg that was created by loop.
8367 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
8369 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
8371 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
8373 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
8375 * configure.in: Fix NCR entries.
8377 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
8379 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
8380 nested exceptions correctly.
8382 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
8383 that was created by loop.
8385 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
8387 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
8389 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
8391 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
8393 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
8394 (print_operand): Use SMALL_DATA_REG for the register involved in
8395 small data relocations.
8396 (print_operand_address): Ditto.
8398 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
8399 -dynamic linker is not used.
8401 * rs6000.md (call insns): For local calls, use @local suffix under
8402 System V. Don't use @plt under Solaris.
8404 * rs6000.c (output_function_profiler): Put label address in r0, and
8405 store LR in 4(sp) for System V/eabi.
8407 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
8408 byte boundary, and maintain stack backchain.
8410 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
8412 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
8413 fix_truncsfdi2): Change *.
8415 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
8417 * toplev.c (main): Complain about -gdwarfn.
8419 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
8421 * dwarfout.c (output_type): If finalizing, write out nested types
8422 of types we've already written.
8424 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
8426 (patches originally from Geoffrey Keating)
8427 * rs6000.c (function_arg): Excess floating point arguments don't
8428 go into GPR registers after exhausting FP registers under the
8430 (function_arg_partial_nregs): Ditto.
8432 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
8435 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
8437 * integrate.c (output_inline_function): Just unset DECL_INLINE.
8439 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
8441 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
8444 * libgcc2.c (__throw): Initialize HANDLER.
8446 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
8448 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
8449 fix_truncsfdi2): Change *X to ?*X.
8451 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
8453 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
8455 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
8457 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
8459 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
8461 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
8463 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
8465 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
8466 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
8469 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
8471 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
8472 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
8473 gas and not using the new HP assembler.
8475 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
8477 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
8478 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
8480 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
8482 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
8483 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
8486 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8488 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
8490 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
8492 * except.h: Add outer_context_label_stack.
8493 * except.c: Likewise.
8494 (expand_start_all_catch): Push the outer_context for the try block
8495 onto outer_context_label_stack.
8496 (expand_end_all_catch): Use it and pop it.
8498 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
8500 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
8502 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
8504 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
8506 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
8508 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
8509 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
8511 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
8513 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
8514 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
8515 __builtin_delete, and __builtin_vec_delete.
8517 * except.c (output_exception_table): Don't bother with
8520 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
8522 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
8523 is an in/out operand.
8524 (zero extended variants of stwm/stwm patterns): Similarly.
8526 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
8528 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
8530 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
8532 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
8533 (output_call_frame_info): Emit a \n after using it.
8535 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
8537 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
8539 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
8541 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
8542 (ASM_OUTPUT_DWARF_VALUE4): New macro.
8543 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
8545 (output_call_frame_info): Do not output forward label differences
8546 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
8547 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
8549 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8551 * sh.md (attribute "type"): Add nil.
8552 (movsi_ie): y/y alternative is type nil.
8553 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
8555 (movsf_ie+1): Delete.
8557 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
8559 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
8560 large_int, emit two insns instead of one splitable insn.
8561 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
8562 from cfa_temp_value, use cfa_offset. Add assert checking that
8565 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
8567 * cccp.c (deps_output): Properly quote file names for make.
8569 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
8571 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
8573 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
8575 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
8577 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
8579 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
8581 (cse_end_of_basic_block): Similarly.
8583 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
8585 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
8586 (SELECT_RTX_SECTION): Define.
8587 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
8589 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
8591 * Makefile.in (compare, compare-lean): Define $stage for each
8593 (gnucompare, gnucompare-lean): Likewise.
8595 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
8597 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
8599 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
8600 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
8602 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
8604 * dwarfout.c (byte_size_attribute): Add local var upper_bound
8605 and add case to handle STRING_TYPE.
8606 * dwarfout.c (output_string_type_die): Fix code to generate
8607 correct string length attribute for fixed length strings.
8608 Still needs support for varying length strings.
8610 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
8612 * toplev.c (get_run_time): Do something sensible for cygwin32.
8614 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
8616 * expr.c (expand_builtin_setjmp): Set
8617 current_function_has_nonlocal_label.
8618 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
8619 call-saved registers across calls.
8621 * alpha.md (exception_receiver): Remove.
8622 (nonlocal_goto_receiver_osf): New
8623 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
8624 (nonlocal_goto_receiver): New, select _osf or _vms.
8626 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
8627 keep them from being propogated to the object file.
8628 (alpha_write_linkage): Likewise.
8629 * alpha.md (call_vms): Likewise.
8630 (call_value_vms): Likewise.
8631 (unnamed osf call insns): Likewise.
8633 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
8634 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8636 * alpha.c (call_operand): Any reg is valid for WinNT.
8637 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
8638 (anon nt calls): Add 'R' alternative.
8639 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
8640 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
8642 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
8644 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
8646 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
8647 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
8648 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
8650 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
8652 * reload1.c (new_spill_reg): Improve fixed or forbidden register
8653 spill error message.
8655 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8657 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
8658 use varargs.h. Wrap header with <>, not "".
8660 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
8662 * integrate.c (save_for_inline_copying): Add return value from
8665 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
8667 * fixincludes: Be a little more restrictive on what we will
8668 substitute to replace definitions of MAXINT for HPUX.
8670 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
8672 * dbxout.c (dbxout_symbol_location): Don't assume that variables
8673 whose address is the stack or argument pointers are indirect
8676 1997-11-13 Paul Eggert <eggert@twinsun.com>
8678 * cccp.c, cpplib.c (compare_defs):
8679 Don't complain about arg name respellings unless pedantic.
8680 * cpplib.c (compare_defs): Accept pfile as new arg.
8681 All callers changed.
8683 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8685 * fold-const.c (fold_truthop): Fix bug in last change.
8687 1997-11-13 Paul Eggert <eggert@twinsun.com>
8689 Fix some confusion with IEEE minus zero.
8691 * real.h (REAL_VALUES_IDENTICAL): New macro.
8693 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
8694 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
8696 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
8697 same tree structure as 0.0.
8699 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
8700 macro instead of doing it by hand.
8702 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
8704 * v850/lib1funcs.asm: Minor whitespace changes.
8705 * v850.c: Fix minor formatting problems in many places.
8706 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
8708 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
8710 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
8711 xplus1 when xplus0 is not a register.
8713 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
8715 * flow.c (find_basic_blocks): During marking phase, if we encounter
8716 an insn with a REG_LABEL note, make the target block live and
8717 create an edge from the insn to the target block. Do not make
8718 edges from all blocks to the target block.
8720 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
8722 * confiugre.in: Tweak NCR entries.
8723 * configure: Rebuilt.
8725 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
8727 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
8728 pick apart floating point values, instead of using CONST_DOUBLE_LOW
8729 and CONST_DOUBLE_HIGH.
8731 * rs6000.md (define_splits for DF constants): Use the appropriate
8732 REAL_VALUE_* interface to pick apart DF floating point constants in
8733 a machine independent fashion.
8735 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8737 * fold-const.c (fold_truthop): When changing a one-bit comparison
8738 against zero into a comparison against mask, do a proper sign
8741 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
8743 * except.c: Do not include "assert.h".
8744 (save_eh_status): Turn asserts into conditional aborts.
8745 (restore_eh_status, scan_region): Likewise.
8746 * dwarfout.c: Do not include "assert.h".
8747 (bit_offset_attribute): Turn asserts into conditional aborts.
8748 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
8749 (output_inlined_structure_type_die): Likewise.
8750 (output_inlined_union_type_die): Likewise
8751 (output_tagged_type_instantiation): Likewise.
8752 (dwarfout_file_scope_decl): Likewise.
8753 * dwarf2out.c: Do not include "assert.h"
8754 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
8755 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
8756 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
8757 (add_bit_size_attribute, scope_die_for): Likewise.
8758 (output_pending_types_for_scope): Likewise.
8759 (get_inlined_enumeration_type_die): Likewise.
8760 (get_inlined_structure_type_die): Likewise.
8761 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
8762 (gen_tagged_type_instantiation_die): Likewise.
8764 * flow.c (find_basic_blocks): Refine further to get a more correct
8765 cfg, especially in the presense of exception handling, computed
8766 gotos, and other non-trivial cases. Call abort if an inaccuracy
8767 is detected in the cfg.
8769 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8771 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
8773 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
8774 (skip_white_space): Use whitespace_cr.
8775 (check_newline): Handle whitespace more consistently.
8777 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
8779 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
8780 * i386/xm-cygwin32.h (POSIX): Define.
8782 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
8784 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
8785 is available elsewhere.
8787 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
8789 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
8790 what the instruction can handle.
8792 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
8794 * stmt.c (expand_decl_cleanup_no_eh): New fn.
8796 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
8798 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
8800 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
8801 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
8803 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
8805 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
8806 swap instruction order.
8808 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
8810 * fixinc.svr4 (__STDC__): Add another case.
8812 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8814 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
8815 addresses in the epilogue delay slot.
8817 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
8819 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
8820 in generated `specs' file.
8822 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
8824 * flags.h (flag_rerun_loop_opt): Declare.
8825 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
8826 * toplev.c (flag_rerum_loop_opt): Delete static.
8828 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8830 Bring over from FSF:
8832 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8834 * va-sh.h (__va_arg_sh1): Define.
8836 SH3E doesn't use any integer registers for subsequent arguments
8837 once a non-float value was passed in the stack.
8838 * sh.c (machine_dependent_reorg): If optimizing, put explicit
8839 alignment in front label for ADDR_DIFF_VEC.
8840 * sh.h (PASS_IN_REG_P): Fix SH3E case.
8841 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
8843 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8845 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
8848 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8850 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
8851 put an use_sfunc_addr before each sfunc.
8852 * sh.md (use_sfunc_addr, dummy_jump): New insns.
8853 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
8855 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8857 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
8859 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
8861 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
8864 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
8866 * alias.c (find_base_value): Only return the known base value for
8869 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
8871 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
8872 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
8874 (prologue_get_pc_and_set_got): New pattern.
8876 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
8878 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
8879 for SUBREG, just fall through.
8881 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
8883 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
8885 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
8887 * fixincludes: Fix "hypot" prototype in NeXT math.h.
8889 * Makefile.in (USE_ALLOCA): Always include alloca.o.
8890 (USE_HOST_ALLOCA): Likewise.
8892 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
8893 and LABEL_REFS fields.
8894 * rtl.h (LABEL_REFS): Update.
8896 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
8898 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
8899 sets i2dest. When calling distribute_notes for i3dest_killed, pass
8900 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
8903 * mips.md (insv, extzv, extv): Add change_address call.
8904 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
8906 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
8908 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
8910 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
8911 save_restore_insns if no FP and GP will be restored.
8913 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
8914 Convert CCmode to word_mode before calling GET_MODE_SIZE.
8916 * acconfig.h (HAVE_INTTYPES_H): Undef.
8917 * configure.in (inttypes.h): Check for conflicts between sys/types.h
8918 and inttypes.h, and verify that intmax_t is defined.
8919 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
8920 * config/mips/x-iris3: Likewise.
8922 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
8924 * alias.c (find_base_value): When copying arguments, return the
8925 tenative value for a hard register.
8927 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
8929 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
8930 (yylex): Record wide strings using target endianness, not host.
8932 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
8934 * mn10200.h (ASM_OUTPUT_BSS): Delete.
8935 (ASM_OUTPUT_ALIGNED_BSS): New macro
8936 * mn10300.h (ASM_OUTPUT_BSS): Delete.
8937 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8938 * v850.h (ASM_OUTPUT_BSS): Delete.
8939 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8941 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8943 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
8945 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
8947 * configure.in (sco5): Use cpio to install header files.
8949 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
8951 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
8953 * configure: Rebuild.
8955 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
8957 * i386/sco5.h: enable -gstabs once again.
8959 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
8961 * arm.c (output_move_double): Allocate 3 entries in otherops array.
8963 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
8965 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
8966 notes for sjlj exceptions too.
8967 (expand_eh_region_end): Similarly for EH_REGION_END notes.
8968 (exception_optimize): Optimize EH regions for sjlj exceptions too.
8969 * final.c (final_scan_insn): Don't output labels for EH REGION
8970 notes if doing sjlj exceptions.
8972 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
8974 * alias.c (init_alias_analysis): Handle -fno-alias-check when
8975 optimizing correctly.
8977 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
8978 or set current_function_calls_setjmp anymore.
8980 * flow.c (find_basic_blocks): If we delete the label for an
8981 exception handler, remove it from the EH label list and remove
8982 the EH_BEGIN/EH_END notes for that EH region.
8984 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
8986 * flow.c (find_basic_blocks): Generate correct flow control
8987 information when exception handling notes are present.
8989 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
8991 * dwarf2out.c (output_call_frame_info): Fix length argument
8992 to ASM_OUTPUT_ASCII.
8993 (output_die, output_pubnames, output_line_info): Likewise.
8995 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
8997 * version.c: Bump for snapshot.
8999 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
9000 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
9001 flag_debug_asm is on.
9002 (output_die, output_pubnames, output_line_info): Likewise.
9004 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
9005 and static_chain_rtx into the potential base values array if
9008 * alias.c (new_reg_base_value): New array of potential base values.
9009 (unique_id): Now file scoped static.
9010 (find_base_value, case REG): Return the value in reg_base_value
9011 array for the REG if it exists. Else, return the value from
9012 new_reg_base_value if copying args and REG is a hard register.
9013 (find_base_value, case PLUS): If either operand of the PLUS is
9014 a REG, try to get its base value. Handle base + index and
9016 (record_set): Use new_reg_base_value instead of reg_base_value.
9017 (init_alias_analysis): Allocate space for new_reg_base_value too.
9018 Rework code to iterate over the insns propagating base value
9019 information until nothing changes.
9021 * global.c (global_alloc): Free the conflict matrix after
9022 reload has finished.
9024 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
9026 * libgcc2.c (L_eh): Define __eh_pc.
9027 Replace __eh_type with generic pointer __eh_info.
9029 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
9031 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
9032 use copy_to_reg if address is not a general_operand.
9034 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9036 * profile.c (output_func_start_profiler): Clear flag_inline_functions
9037 for the duration of the call to rest_of_compilation.
9039 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
9041 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
9043 (sparc*-*-*): Recognize --with-cpu=v9.
9044 * sparc/elf.h: New file.
9045 * sparc/t-elf: New file.
9047 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
9049 * mn10300.c (const_8bit_operand): New function.
9050 (mask_ok_for_mem_btst): New funtion.
9051 * mn10300.md (btst patterns with mem operands): Use new functions
9052 to avoid creating btst instructions with invalid operands.
9054 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
9056 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
9057 are running on PowerPC Linux.
9059 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
9061 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
9062 if not previously defined.
9064 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
9066 * function.c (assign_parms): Correct mode of stack_parm if
9067 entry_parm underwent a mode conversion.
9069 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
9071 * global.c (global_alloc): Use xmalloc instead of alloca for
9072 CONFLICTS, since max_allocno * allocno_row_words alone can be more
9073 than 2.5Mb sometimes.
9075 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
9077 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
9078 DEST for the spill, adjust mode of SRC to compensate.
9080 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
9082 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
9083 since any_memory_operand() allows pseudos during reload.
9084 (reload_inhi, reload_outqi, reload_outhi): Likewise.
9086 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
9088 * m68k.md (btst patterns): Add 5200 support.
9090 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
9092 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
9093 optimizations, look inside dividend to determine if the expression
9094 can be simplified by using EXACT_DIV_EXPR.
9096 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
9099 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
9101 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
9103 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
9105 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
9107 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
9110 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
9112 * alpha.md (movqi, movhi): Make sure new insns created during reload
9113 won't need reloading themselves.
9114 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
9116 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
9118 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
9120 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
9122 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
9123 Patch from Klaus Kaempf <kkaempf@progis.de>.
9125 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
9127 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
9128 to an element in a constant string.
9130 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
9132 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
9133 bit PC-relative offset. The exception range table pointer is now in
9135 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
9136 (count_fdes, add_fdes, get_cie): Adjust.
9137 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
9140 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
9142 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
9144 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
9145 like stack_pointer_rtx.
9147 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
9149 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
9150 targets using "$@" to provide support for similar but not identical
9151 targets without having to duplicate code.
9152 (bootstrap4): New goal.
9154 * Makefile.in (compare, compare-lean, compare3): Combined to one
9155 ruleset determining actions to be performed via $@.
9156 (compare4, compare4-lean): New targets.
9157 (gnucompare, gnucompare3): Combined to one ruleset determining
9158 actions to be performed via $@. Also, note which files failed
9159 the comparison test in .bad_compare.
9160 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
9162 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
9164 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
9165 if the dividend is a multiple of the divisor.
9167 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
9169 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
9171 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
9174 * alias.c (true_dependence): Fix typo.
9176 * toplev.c (flag_rerun_loop_opt): New variable.
9177 (f_options): Handle -frerun-loop-opt.
9178 (rest_of_compilation): If -frerun-loop-opt, then run the loop
9180 (main): Enable -frerun-loop-opt by default for -O2 or greater.
9182 * loop.c (simplify_giv_expr): Adding two invariants results
9185 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
9187 * expr.c (get_inner_reference): Remove the array bias after
9188 converting the index to Pmode.
9190 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
9192 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
9193 (TARGET_MULT_BUG): Define.
9194 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
9195 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
9197 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
9199 * mn10200.c (indirect_memory_operand): Delete unused function.
9200 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
9201 * mn10200.md (bset, bclr insns): Handle output in a reg too.
9203 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
9205 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
9206 the callee's ldgp, we must do it ourselves, and we use the jsr tag
9207 for more than scheduling.
9209 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
9211 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
9213 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
9215 * mn10300.c (symbolic_operand, legitimize_address): New functions.
9216 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
9217 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
9219 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
9221 * version.c: Bump for snapshot.
9223 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9225 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
9228 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
9230 * toplev.c (flag_exceptions): Default value is 2.
9231 (compile_file): If flag_exceptions still has the value 2, then
9234 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
9235 (rs6000_save_machine_status): Save pic_offset_table_rtx.
9236 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
9238 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
9241 * rs6000.md (*movsi_got_internal_mem): New pattern.
9242 (*movsi_got_internal_mem splitter): New define_split.
9244 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
9246 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
9248 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
9250 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
9251 only need to save LR.
9253 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
9255 * mn10300.md (movqi, movhi): Avoid using address registers as
9256 destinations unless absolutely necessary.
9258 * mn10200.c (expand_prologue): Fix typo.
9260 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
9262 * mn10200.md (neghi2): Provide an alternative which works if
9263 the input and output register are the same.
9265 * mn10300.c (print_operand): Handle 'S'.
9266 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
9267 shift amount in last alternative
9269 * mn10300.c (expand_epilogue): Rework to handle register restores
9270 in "ret" and "retf" instructions correctly.
9272 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
9274 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
9275 extzv for memory operands.
9277 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
9278 redundant conditional moves to single operand.
9280 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
9282 * v850.h: Move define of __v850__ from CPP_PREDEFINES
9285 * xm-v850.h: Use __v850 rather than __v850__ to
9288 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
9290 * mips/mips.c (compute_frame_size): Not a leaf function if
9293 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
9295 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
9297 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
9299 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
9300 (DEFAULT_ARCH32_P): New macro.
9301 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
9302 (enum cmodel): Declare.
9303 (sparc_cmodel_string,sparc_cmodel): Declare.
9304 (SPARC_DEFAULT_CMODEL): Provide default.
9305 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
9306 (TARGET_FULLANY): Deleted.
9307 (TARGET_CM_MEDMID): New macro.
9308 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
9309 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
9310 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
9311 (CPP_SPEC): Rewrite.
9312 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
9313 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
9314 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
9315 (ASM_SPEC): Add %(asm_arch).
9316 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
9317 Rename asm_default to asm_cpu_default.
9318 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
9319 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
9320 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
9321 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
9322 (MASK_INT64,MASK_LONG64): Delete.
9323 (MASK_ARCH64): Renamed to MASK_64BIT.
9324 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
9325 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
9326 (TARGET_SWITCHES): Always provide 64 bit options.
9327 (ARCH64_SWITCHES): Delete.
9328 (TARGET_OPTIONS): New option -mcmodel=.
9329 (INT_TYPE_SIZE): Always 32.
9330 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
9331 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
9332 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
9333 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
9334 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
9336 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9337 * sparc/linux.h: Likewise.
9338 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
9339 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
9340 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
9341 (SPARC_DEFAULT_CMODEL): Define.
9342 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
9343 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9344 (LONG_DOUBLE_TYPE_SIZE): Define.
9345 (ASM_SPEC): Add %(asm_arch).
9346 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
9347 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9348 (TARGET_CPU_DEFAULT): Add ultrasparc case.
9349 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
9350 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
9351 (SPARC_DEFAULT_CMODEL): Define.
9352 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
9353 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
9354 MASK_LONG64, MASK_MEDANY.
9355 (SPARC_DEFAULT_CMODEL): Define.
9356 (CPP_PREDEFINES): Delete.
9357 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9358 (ASM_SPEC): Add %(asm_arch).
9359 (LONG_DOUBLE_TYPE_SIZE): Define.
9360 (DWARF2_DEBUGGING_INFO): Define.
9361 * sparc/splet.h (CPP_SPEC): Delete.
9362 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
9363 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
9364 (BLOCK_PROFILER): Likewise.
9365 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
9366 (sparc_override_options): Handle code model selection.
9367 (sparc_init_expanders): Renamed from sparc64_init_expanders.
9368 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
9369 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
9370 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
9371 (sethi_di_fullany): Delete.
9373 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
9374 Jeff Law <law@cygnus.com>
9375 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9377 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
9378 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
9379 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
9380 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
9381 * alpha/alpha.md (arg_home): Likewise.
9383 * alpha/alpha.c (vmskrunch): Delete
9384 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
9385 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
9386 truncate to 64 characters.
9388 * make-l2.com: Support openVMS/Alpha.
9390 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
9392 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9394 * longlong.h (count_leading_zeros): Add missing casts to USItype.
9396 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
9398 * i386/bsd386.h (ASM_COMMENT_START): Define.
9400 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
9402 * tree.c (restore_tree_status): Also free up temporary storage
9403 when we finish a toplevel function.
9404 (dump_tree_statistics): Print stats for backend obstacks.
9406 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
9408 * expr.c (use_group_regs): Don't call use_reg for MEMs.
9410 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
9412 * libgcc2.c (__throw): Don't copy the return address.
9413 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
9415 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
9416 * toplev.c (main): Initialize exceptions_via_longjmp.
9418 * tree.c: Add extra_inline_obstacks.
9419 (save_tree_status): Use it.
9420 (restore_tree_status): If this is a toplevel inline obstack and we
9421 didn't want to save anything on it, recycle it.
9422 (print_inline_obstack_statistics): New fn.
9423 * function.c (pop_function_context_from): Pass context to
9424 restore_tree_status.
9425 * obstack.h (obstack_empty_p): New macro.
9427 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
9429 * i386/freebsd.h (ASM_COMMENT_START): Fix.
9431 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
9433 * v850.c (ep_memory_offset): New function.
9434 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
9436 * v850.h (CONST_OK_FOR_*): Add and correct comments.
9437 (CONSTANT_ADDRESS_P): Add comment.
9438 (EXTRA_CONSTRAINT): Define 'U'.
9439 * v850.md: Add comments on bit field instructions.
9440 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
9441 (lshrsi3): Use N not J constraint.
9443 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
9445 * v850.c (reg_or_0_operand): Call register_operand.
9446 (reg_or_int5_operand): Likewise.
9447 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
9448 (TARGET_SWITCHES): Add "big-switch".
9449 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
9450 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
9451 (CASE_DROPS_THROUGH): Comment out.
9452 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
9453 * v850.md (cmpsi): Delete compare mode.
9454 (casesi): New pattern.
9456 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
9457 * v850.md (ashlsi3): Use SImode not QImode for shift count.
9458 (lshrsi3): Likewise.
9460 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
9461 unreachable switch statement after 'b' support. Remove "b" from
9462 strings for 'b' support.
9463 * v850.md (branch_normal, branch_invert): Change %b to b%b.
9465 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
9467 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
9468 empty line if @inhibit_libc@ is empty.
9470 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
9472 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
9473 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
9474 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
9475 (DWARF2_UNWIND_INFO): Let this track object file format.
9476 (EXTRA_SECTIONS): Add in_eh.
9477 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
9478 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
9480 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
9482 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
9483 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
9485 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
9486 (output_double_int): Output DI mode values correctly when
9487 HOST_BITS_PER_WIDE_INT is 64.
9488 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
9489 fmovd so it works if a quad float ends up in one of the upper 32
9491 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
9492 necessary for PIC support on sparc64.
9494 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
9496 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
9497 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
9498 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
9499 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
9500 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
9501 (SPARC_FP_ARG_FIRST): New macro.
9502 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
9503 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
9504 (NPARM_REGS): There are 32 fp argument registers now.
9505 (FUNCTION_ARG_REGNO_P): Likewise.
9506 (FIRST_PARM_OFFSET): Update to new v9 abi.
9507 (REG_PARM_STACK_SPACE): Define for arch64.
9508 (enum sparc_arg_class): Delete.
9509 (sparc_arg_count,sparc_n_named_args): Delete.
9510 (struct sparc_args): Redefine and use for arch32 as well as arch64.
9511 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
9512 (FUNCTION_ARG_ADVANCE): Rewrite.
9513 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
9514 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
9515 (FUNCTION_ARG_CALLEE_COPIES): Delete.
9516 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
9517 (STRICT_ARGUMENT_NAMING): Define.
9518 (doublemove_string): Declare.
9519 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
9520 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
9521 (doublemove_string): New function.
9522 (output_move_quad): Clean up some of the arch64 support.
9523 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
9524 Don't add 8 bytes of reserved space if arch64.
9525 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
9526 (init_cumulative_args): New function.
9527 (function_arg_slotno): New static function.
9528 (function_arg,function_arg_partial_nregs): New functions.
9529 (function_arg_{pass_by_reference,advance}): New functions.
9530 (function_arg_padding): New function.
9531 * ginclude/va-sparc.h: Rewrite v9 support.
9533 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
9535 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
9536 for hard regs to determine base and index registers.
9538 * reload.c (debug_reload_to_stream): New function. Specify stream
9539 into which to write debug info.
9540 (debug_reload): Modify to call debug_reload_to_stream with stderr.
9542 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
9544 * combine.c (can_combine_p): Don't combine with an asm whose
9545 output is a hard register.
9547 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
9549 * c-decl.c (start_struct): Ensure that structs with forward
9550 declarations are in fact packed when -fpack-struct is given.
9552 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
9553 we are packing a structure. This allows a structure with only
9554 bytes to be aligned on a byte boundary and have no padding on a
9557 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9559 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
9561 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
9563 * alpha.c (alpha_return_addr_rtx): New variable.
9564 (alpha_save_machine_status): New; save it.
9565 (alpha_restore_machine_status): New; restore it.
9566 (alpha_init_expanders): New; clear it.
9567 (alpha_return_addr): New; set it.
9568 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
9569 is overly conservative, so search the insns explicitly.
9570 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
9571 (alpha_sa_size [VMS && !VMS]): Likewise.
9572 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
9573 (INIT_EXPANDERS): New definition.
9575 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
9576 (output_prolog [!VMS]): Use them.
9578 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
9579 (alpha_does_function_need_gp): ... a new function. Refine the
9580 CALL_INSN test to just TYPE_JSR.
9581 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
9583 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
9585 * version.c: Bump for snapshot.
9587 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9589 * pa.c (move_operand): Respect -mdisable-indexing.
9590 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
9592 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
9594 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
9596 (umulsidi3,umulsi3_highpart): Ditto.
9597 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
9599 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
9601 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
9602 (alpha_handle_trap_shadows): ... a new function. Handle the entire
9603 function in one go. Emit RTL for trapb, instead of printf directly.
9604 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
9605 (trap_pending): Kill global variable.
9606 (output_epilog): Don't call final_prescan_insn.
9607 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
9608 * alpha.h (FINAL_PRESCAN_INSN): Remove.
9609 (MACHINE_DEPENENT_REORG): Define.
9610 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
9613 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
9615 Tune Haifa scheduler for Alpha:
9616 * alpha.h (ISSUE_RATE): Define.
9617 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
9618 EV4 adjustments to EV5.
9619 * alpha.md: Remove all scaling from function unit delays. Rework
9620 EV5 function units to match the CPU.
9621 (umuldi3_highpart): EV5 added the IMULH insn class.
9623 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
9625 * pa.c (following_call): Fail if the CALL_INSN is an indirect
9628 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
9630 * cplus-dem.c (demangle_signature): Don't look for return types on
9631 constructors. Handle member template constructors.
9633 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
9635 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
9636 * tree.h: Declare them.
9638 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
9640 * configure.in: Handle --with-newlib.
9641 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
9643 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
9645 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
9647 * config/ptx4.h: Fix typo.
9649 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
9651 * version.c: Bump for snapshot.
9653 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
9655 * aclocal.m4: Substitute INSTALL.
9656 * configure: Re-built.
9658 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
9660 * integrate.c (save_for_inline_copying): Avoid undefined pointer
9662 (expand_inline_function): Likewise.
9664 * dwarf2out.c (output_call_frame_info): Reinstate last change
9665 using flag_debug_asm check instead of flag_verbose_asm.
9667 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
9669 * dwarf2out.c (output_call_frame_info): Remove last change.
9671 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9673 * frame.c (__frame_state_for): Execute the FDE insns until the
9674 current pc value is strictly bigger than the target pc value.
9676 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
9678 * regclass.c (init_reg_modes): If we can't find a mode for the
9679 register, use the previous one.
9681 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
9683 * haifa-sched.c (print_block_visualization): Call fprintf directly,
9684 don't sprintf through an alloca'ed buffer.
9686 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
9688 * reload.c (decompose): Always initialize val.base.
9690 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9692 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
9693 instead of aborting.
9694 * dwarf2out.c (output_call_frame_info): Call app_enable and
9695 app_disable to let GNU as accept the generated comments.
9697 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
9699 * tree.h (get_file_function_name): Add declaration.
9700 * dwarf2out.c (output_call_frame_info): No need to cast
9701 get_file_function_name call anymore.
9702 * profile.c (toplevel): Remove get_file_function_name
9704 * c-lang.c (finish_file): Ditto.
9706 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
9708 * Makefile.in (program_transform_name): Let autoconf substitute
9711 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
9713 * haifa-sched.c (schedule_block): If the first real insn in a
9714 block has any special notes attached to it, remove them.
9716 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
9718 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
9720 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9722 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
9724 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
9726 * Makefile.in (check-g77): New test target.
9727 (CHECK-TARGETS): Add check-g77.
9729 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9731 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
9733 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
9735 * flow.c (print_rtl_with_bb): Cast alloca return value for
9738 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
9740 * i386.h (RETURN_ADDR_RTX): New definition that works for
9741 __builtin_return_address(0) and -fomit-frame-pointer.
9743 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
9745 Bring over from FSF.
9746 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
9748 * mips.c (function_arg): Handle passing a struct
9749 containing a double in a DFmode register without the PARALLEL.
9751 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
9753 * pexecute.c: Use spawn if __CYGWIN32__.
9755 * pexecute.c: Include "config.h" first, as per autoconf manual
9756 (from Paul Eggert <eggert@twinsun.com>).
9758 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9760 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
9761 optimisation for f/expr.o and f/stb.o.
9763 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
9765 * cse.c (this_insn_cc0_mode): Initialize.
9767 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
9769 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
9771 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
9773 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
9775 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
9776 that pair will dual-issue on the 21164 and plus+beq won't.
9777 (bne): Likewise for cmpeq+beq.
9779 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
9781 * except.c (find_exception_handler_labels): Correct argument to free.
9783 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
9785 * except.c (find_exception_handler_labels): Free LABELS when we're
9788 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
9790 * version.c: Bump for snapshot.
9792 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
9794 * flow.c (find_basic_blocks): Mark calls as potentially jumping
9797 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
9799 * configure.in: Substitute for "install" too.
9800 * configure: Rebuilt.
9802 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
9804 * Makefile.in (bootstrap-lean, compare-lean): New targets.
9806 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
9808 * alias.c (base_alias_check): Two symbols can conflict if they
9809 are accessed via AND.
9810 (memrefs_conflict_p): Likewise.
9812 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
9813 after flushing argument registers to the stack.
9815 * Makefile.in (mostlyclean): Remove .regmove files.
9817 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
9819 * libgcc2.c (__throw): Fix thinko.
9821 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
9823 * cplus-dem.c (demangle_template): Add new parameter. Handle new
9824 template-function mangling.
9825 (consume_count_with_underscores): New function.
9826 (demangle_signature): Handle new name-mangling scheme.
9828 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9830 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
9833 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
9835 * frame.c: Remove last change.
9836 * dwarf2.h: Remove last change.
9837 * tree.h: Add declarations of DWARF2 unwind info support
9840 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
9842 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
9843 * tree.h (built_in_function): Likewise.
9844 * expr.c (expand_builtin): Likewise.
9845 * except.h: Likewise.
9846 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
9847 * libgcc2.c (copy_reg): New fn.
9850 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
9852 * c-typeck.c (build_binary_op): Warn about comparing signed vs
9853 unsigned if -W is specified and -Wno-sign-compare is not.
9854 * c-decl.c (warn_sign_compare): Initialize to -1.
9855 (c_decode_option): -Wall no longer implies -Wsign-compare.
9857 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9859 * frame.c: Include gansidecl.h for PROTO.
9860 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
9861 defined. Don't declare dwarf2out_cfi_label here.
9862 * dwarf2.h: Add declarations of DWARF2 unwind info support
9864 * m68k.c: Include dwarf2.h.
9865 (output_function_prologue): Add dwarf2 support.
9866 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
9867 (INCOMING_FRAME_SP_OFFSET): Likewise.
9869 * integrate.c (expand_inline_function): Make sure there is at
9870 least one insn that can be used as an insertion point.
9872 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
9874 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
9876 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
9878 * version.c: Bump for snapshot.
9880 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
9882 Bring over from FSF.
9884 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
9886 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
9887 (get_pc_via_rdpc): Renamed from get_pc_sp64.
9888 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
9890 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
9892 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
9893 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
9895 (sparc_align_{loops,jumps,funcs}_string): Declare.
9896 (sparc_align_{loops,jumps,funcs}): Declare.
9897 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
9898 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
9899 (STACK_BIAS): Define.
9900 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
9902 (SPARC_SETHI_P): New macro.
9903 (CONST_OK_FOR_LETTER_P): Use it.
9904 (ASM_OUTPUT_ALIGN_CODE): Define.
9905 (ASM_OUTPUT_LOOP_ALIGN): Define.
9906 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
9907 (sparc_align_{loops,jumps,funcs}): New globals.
9908 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
9910 (move_operand): Use SPARC_SETHI_P.
9911 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
9913 (arith11_double_operand): Likewise.
9914 (arith10_double_operand): Likewise.
9915 (finalize_pic): Finish sparc64 support.
9916 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
9917 64 bit constants if able.
9918 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
9919 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
9921 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
9922 (get_pc_sp32): Use for sparc64 as well.
9923 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
9924 (sethi_di_sp64_const): Likewise.
9925 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
9926 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
9927 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
9929 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
9931 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
9932 * sparc/linux.h (COMMENT_BEGIN): Likewise.
9933 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
9935 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
9937 Add sparc64 linux support.
9938 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
9939 to xm_file list on 32-bit sparc-linux.
9940 * sparc/xm-sp64.h: New file.
9941 * sparc/linux64.h: New file.
9942 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
9943 Don't include xm-sparc.h.
9944 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
9945 * glimits.h (LONG_MAX): Handle sparc64.
9947 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
9949 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
9950 * sparc.h (ASM_COMMENT_START): Define.
9951 * sparc.c (output_function_prologue): Use it.
9952 (sparc_flat_output_function_{epi,pro}logue): Likewise.
9954 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
9956 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
9957 use sparc.h's copies.
9958 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
9961 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9963 * sparc.c (dwarf2out_cfi_label): Add declaration.
9964 (save_regs, output_function_prologue): Remove cast for it.
9965 (sparc_flat_{save_restore,output_function_prologue): Likewise.
9966 ({save,restore}_regs): No longer inline.
9968 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9970 * fold-const.c (make_range): Correctly handle cases of converting
9971 from unsigned to signed type.
9973 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9975 * fold-const.c (merge_ranges): Make sure that if one range is subset
9976 of another, it will always be the second range. Correct (+,-) case to
9979 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
9981 * final.c (final_end_function): Also do dwarf2 thing if
9982 DWARF2_DEBUGGING_INFO.
9983 (final_start_function): Likewise.
9985 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
9987 * expmed.c (expand_divmod): If compute_mode is not the same as
9988 mode, handle the case where convert_modes() causes op1 to no
9989 longer be a CONST_INT.
9991 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
9992 note holding get_jump_flags() calculation to all JUMP_INSNs.
9993 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
9994 * rtl.c (reg_note_name): Add new note types.
9996 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
9998 * rtlanal.c (computed_jump_p): Fix typo in last change.
10000 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10002 * loop.c (indirect_jump_in_function_p): Return 0
10005 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
10007 * rs6000/xm-rs6000.h: Fix thinko in last change.
10008 * rs6000/xm-sysv4.h: Likewise.
10010 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
10012 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
10014 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
10016 * reg-stack.c (find_blocks): Fix thinko in last change.
10018 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10020 * m68k.c (output_function_prologue): Add dwarf2 support.
10022 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
10023 INCOMING_FRAME_SP_OFFSET): New definitions.
10025 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
10027 * combine.c (try_combine): Use NULL_RTX instead of '0' where
10028 appropriate in calls to gen_rtx().
10029 * cse.c (cse_main): Likewise.
10030 * emit-rtl.c (gen_label_rtx): Likewise.
10031 * expr.c (init_expr_once): Likewise.
10032 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
10033 sched_analyze, init_rgn_data_dependences,
10034 compute_block_backward_dependences): Likewise.
10035 * sched.c (schedule_insns): Likewise.
10036 * varasm.c (immed_double_const): Likewise.
10038 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
10039 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
10041 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
10043 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
10044 (MULTILIB_DEFAULTS): Define.
10045 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
10046 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
10047 (LIBGCC_SPEC): Likewise.
10048 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
10049 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
10050 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
10051 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
10052 (EXTRA_PARTS, TAROUTOPTS): Delete.
10053 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
10054 (MULTILIB_OPTIONS): Define.
10055 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
10056 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
10058 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
10060 * version.c: Bump for snapshot.
10062 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
10064 * loop.c (loop_number): Delete function. Change all references
10065 to use uid_loop_num array.
10066 * loop.h (loop_number): Delete declaration.
10067 * unroll.c (unroll_loop): Change "loop_number" references to
10068 use uid_loop_num instead.
10070 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
10072 (loop_unroll_iter): Remove unused variable and all references.
10073 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
10074 (insert_bct): Fix minor formatting problems.
10075 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
10076 (loop_unroll_iter): Removed unused decl.
10077 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
10078 Always record the unrolling factor.
10080 * cse.c (simplify_relational_operation): Set h0u just like h0s.
10081 Similarly for h1u and h1s.
10083 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
10084 (find_basic_blocks): Use computed_jump_p to determine if a
10085 particular JUMP_INSN is a computed jump.
10086 * reg-stack.c (find_blocks): Use computed_jump_p to determine
10087 if a particular JUMP_INSN is a computed jump.
10088 * rtlanal.c (jmp_uses_reg_or_mem): New function.
10089 (computed_jump_p): Likewise.
10090 * rtl.h (computed_jump_p): Declare.
10091 * genattrtab.c (pc_rtx): Define and initialize.
10092 * loop.c (loop_optimize): Always determine if the current
10093 function has a computed jump.
10094 (indirect_jump_in_function_p): Use computed_jump_p to determine
10095 if a particular JUMP_INSN is a computed jump.
10097 * loop.c (fix_bct_param): Delete unused function.
10098 (check_bct_param): Likewise.
10100 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
10102 * frame.c (__deregister_frame): Check properly for initialized object.
10104 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10106 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
10108 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10110 * jump.c (thread_jumps): check can_reverse_comparison_p before
10111 threading a reversed-condition jump.
10113 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
10114 * haifa-sched.c (update_flow_info): Likewise.
10116 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
10118 * Makefile.in (BOOT_CFLAGS): Use -O2.
10120 * configure.in (strtoul, bsearch): Have autoconf check for these
10122 * configure, config.in: Rebuilt.
10124 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
10125 * mips/mips.h (alloca): Likewise.
10126 * rs6000/xm-rs6000.h (alloca): Likewise.
10127 * rs6000/xm-sysv4.h: Likewise.
10129 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
10131 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
10132 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
10133 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
10135 * except.c (end_eh_unwinder): Subtract 1 from return address.
10136 * libgcc2.c (__throw): Likewise.
10137 (find_exception_handler): Don't change PC here. Compare end with >.
10139 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
10141 * v850.c (compute_register_save_size): Correct register
10143 * v850.md (save_interrupt, return_interrupt): Correct
10145 * v850/lib1funcs.asm (save_interrupt): Correct register number.
10146 (return_interrupt): Use stack pointer, not element pointer.
10148 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
10150 * configure.in, configure: Make sure to create the stage* and include
10151 symbolic links in each subdirectory.
10153 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
10155 * pa.md (reload_peepholes): Don't allow addresses with side
10156 effects for the memory operand.
10158 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
10160 * libgcc2.c (find_exception_handler): Subtract one from our PC when
10161 looking for a handler, to avoid hitting the beginning of the next
10164 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
10166 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
10168 * mips/abi64.h (LONG_MAX_SPEC): Define.
10169 * mips.h (LONG_MAX_SPEC): Define.
10170 (CPP_SPEC): Include long_max_spec.
10171 (EXTRA_SPECS): Include long_max_spec.
10173 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
10175 * v850.c (construct_save_jarl): Fix thinko in last change.
10177 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
10179 * version.c: Bump for snapshot.
10181 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
10183 * libgcc2.c (find_exception_handler): Not found is -1.
10185 * integrate.c (expand_inline_function): Move expand_start_bindings
10186 after expanding the arguments.
10188 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
10190 * expr.c (expand_expr): Remove previous incorrect change.
10191 If target and slot has no DECL_RTL, then call mark_addressable
10192 again for the slot after we give it RTL.
10194 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
10196 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
10197 again for the slot after we give it RTL.
10199 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
10201 * v850.c (register_is_ok_for_epilogue,
10202 pattern_is_ok_for_epilogue, construct_restore_jr,
10203 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
10205 * v850.h (pattern_is_ok_for_prologue,
10206 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
10209 * v850.md: Replace prologue and epilogue patterns with a
10210 match_parallel pattern.
10212 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
10214 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
10215 * configure.in: Use EGCS_PROG_INSTALL.
10217 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
10219 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
10220 extern inline function.
10222 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
10224 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
10225 (concat_loc_descriptor): New function.
10226 (loc_descriptor): Call it.
10227 (add_AT_location_description): Also elide the descriptor if both
10228 halves of a CONCAT are pseudos.
10229 (add_location_or_const_value_attribute): Recognize CONCAT too.
10231 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
10233 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
10235 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
10236 out-or-range reg_offset.
10237 (output_epilog): Likewise.
10239 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
10241 * cse.c (simplify_relational_operation): If MODE specifies a
10242 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
10243 is derived from the sign bit of the low word.
10245 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
10247 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
10249 * dwarf2.h: Add DW_CFA_GNU_args_size.
10250 * frame.c (execute_cfa_insn): Likewise.
10251 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
10252 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
10253 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
10254 insn, hand it off to dwarf2out_stack_adjust.
10255 (dwarf2out_begin_prologue): Initialize args_size.
10256 * frame.h (struct frame_state): Add args_size.
10257 * libgcc2.c (__throw): Use args_size.
10258 * final.c (final_scan_insn): If we push args, hand off all insns
10259 to dwarf2out_frame_debug.
10260 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
10262 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
10263 Handle epilogue restore of SP from FP.
10264 * emit-rtl.c (gen_sequence): Still generate a sequence if the
10265 lone insn has RTX_FRAME_RELATED_P set.
10267 * frame.c (extract_cie_info): Handle "e" augmentation.
10268 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
10269 absence of UNALIGNED_*_ASM_OP.
10270 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
10271 (output_call_frame_info): Use "e" instead of "z" for augmentation.
10272 Don't emit augmentation fields length.
10273 (dwarf2out_do_frame): Move outside of #ifdefs.
10274 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
10277 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
10278 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
10279 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
10280 * sparc/sun4gas.h: New file.
10281 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
10283 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
10284 __register_frame_table and __deregister_frame.
10286 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
10288 * except.c (find_exception_handler_labels): Use xmalloc instead of
10289 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
10292 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
10294 * Makefile.in: Various changes to build info files
10295 in the object tree rather than the source tree.
10297 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
10299 * fixinc.math: New file to fix math.h on some systems.
10300 * configure.in (freebsd, netbsd): Use fixinc.math on these
10302 * configure: Rebuilt.
10304 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
10306 * regmove.c (regmove_optimize): If we end up moving the
10307 original insn due to lifetime overlaps, make sure to move
10310 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
10312 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
10314 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
10316 * haifa-sched.c (add_branch_dependences): Make each insn in
10317 a SCHED_GROUP_P block explicitly depend on the previous insn.
10319 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
10321 * except.h: Prototype dwarf2 hooks.
10324 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
10326 * configure.in (native_prefix): Delete.
10327 (mips-dec-netbsd): Don't set prefix.
10328 (*linux*): Don't set prefix.
10330 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
10332 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
10333 defined. If not defined, include <sys/varargs.h> if
10334 HAVE_SYS_VARARGS_H is defined.
10335 * configure.in: Test for varargs.h and sys/varargs.h.
10336 * configure: Regenerate with autoconf.
10337 * config.in: Regenerate with autoheader.
10339 * cpplib.c (quote_string): Cast first arg of sprintf call
10340 from "unsigned char *" to "char *".
10341 (output_line_command): Ditto.
10342 (macroexpand): Ditto.
10343 (do_line): Cast atoi arg from "unsigned char *" to "char *".
10345 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
10347 * version.c: Bump for snapshot.
10349 * Makefile.in (compare): Exit with nonzero status if there
10350 are comparison failures. Note which files failed the
10351 comparison test in .bad_compare.
10353 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10355 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
10357 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
10359 * Makefile.in (LN, LN_S): New macros, use where appropriate.
10360 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
10361 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
10362 * configure: Regenerated.
10364 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
10366 * loop.c (strength_reduce): Fix typo.
10368 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
10370 * m88k/m88k.c (struct option): Rename to struct options.
10371 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
10372 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
10373 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
10374 __DOLPHIN__ or sysV88.
10376 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
10378 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
10381 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
10383 * config.sub: Accept 'amigados' for backward compatability.
10385 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10387 * Makefile.in (testsuite/site.exp): New target.
10388 (check-gcc, check-g++): Depend on testsuite/site.exp.
10389 Don't stop for failure.
10391 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
10393 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
10394 if DWARF2_UNWIND_INFO.
10396 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
10398 Add support for exception handling using DWARF 2 frame unwind info.
10399 Currently works on SPARC and MIPS, and almost on x86.
10401 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
10402 next_stack_level, in_reg_window): Helper fns.
10403 (__throw): Implement for DWARF2_UNWIND_INFO.
10405 * expr.c (expand_builtin): Handle builtins used by __throw.
10406 * tree.h (enum built_in_function): Add builtins used by __throw.
10407 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
10408 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
10409 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
10410 (expand_builtin_extract_return_addr): Likewise.
10411 (expand_builtin_frob_return_addr): Likewise.
10412 (expand_builtin_set_return_addr_reg): Likewise.
10413 (expand_builtin_eh_stub): Likewise.
10414 (expand_builtin_set_eh_regs): Likewise.
10415 (eh_regs): Choose two call-clobbered registers for passing back values.
10417 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
10418 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
10419 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
10420 (stmp-multilib): Likewise.
10421 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
10423 * except.c: #include "defaults.h".
10424 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
10425 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
10426 (register_exception_table_p): New fn.
10427 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
10428 (end_eh_unwinder): Likewise.
10430 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
10431 call __register_frame and __deregister_frame as needed.
10432 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
10433 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
10434 EH_FRAME_SECTION_ASM_OP.
10435 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
10436 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
10437 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
10439 * dwarf2out.c (output_call_frame_info): If no support for
10440 EXCEPTION_SECTION, mark the start of the frame info with a
10442 * collect2.c (frame_tables): New list.
10443 (is_ctor_dtor): Recognise frame entries.
10444 (scan_prog_file): Likewise.
10445 (main): Pass -fno-exceptions to sub-compile. Also do collection
10446 if there are any frame entries.
10447 (write_c_file_stat): Call __register_frame_table and
10448 __deregister_frame as needed.
10449 (write_c_file_glob): Likewise.
10451 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
10452 Also require unaligned reloc support.
10453 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
10454 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
10455 * sparc/sysv4.h: Not here.
10457 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
10458 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
10459 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
10461 * libgcc2.c (L_eh): Reorganize, moving code shared by different
10462 EH implementations to the top.
10463 (find_exception_handler): Split out. Start from 0. Compare against
10465 (__find_first_exception_table_match): Use it.
10466 * except.c (output_exception_table): Don't do anything if there's
10467 no table. Don't output a first entry of zeroes.
10468 (eh_outer_context): Adjust properly.
10469 (add_eh_table_entry): Use xrealloc.
10470 * toplev.c (compile_file): Just call output_exception_table.
10472 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
10474 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
10476 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
10478 * except.c (eh_outer_context): Do masking using expand_and.
10480 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
10482 Add port done awhile ago for the ARC cpu.
10483 * arc/arc.h: New file.
10484 * arc/arc.c: New file.
10485 * arc/arc.md: New file.
10486 * arc/initfini.c: New file.
10487 * arc/lib1funcs.asm: New file.
10488 * arc/t-arc: New file.
10489 * arc/xm-arc.h: New file.
10490 * ginclude/va-arc.h: New file.
10491 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
10492 * ginclude/varargs.h: Likewise.
10493 * Makefile.in (USER_H): Add va-arc.h.
10494 * configure.in (arc-*-elf*): Recognize.
10495 * longlong.h: Add ARC support.
10497 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
10499 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
10500 when clearing non-BLKmode data.
10502 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
10504 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
10505 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
10507 * xm-m88k.h (USG): Only define if it hasn't already been defined.
10509 * Makefile.in (risky-stage1): Delete gratutious whitespace.
10511 * Makefile.in (clean): Delete libgcc1-test.
10513 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
10515 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
10517 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
10520 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10522 * dwarf2out.c (output_call_frame_info): Call named_section.
10524 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
10526 * haifa-sched.c (print_value): Fix last change.
10528 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
10530 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
10533 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
10535 * mips.c (function_prologue): Set up the CFA when ABI_32.
10537 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
10538 for dwarf2 unwind info.
10539 (output_function_prologue, sparc_flat_output_function_prologue): Same.
10541 * final.c (final_end_function): Check dwarf2out_do_frame instead
10542 of DWARF2_DEBUG for dwarf2 unwind info.
10543 (final_scan_insn): Likewise.
10544 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
10547 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
10550 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
10552 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
10554 * v850.h (ASM_SPEC): Pass on target processor.
10555 (CPP_PREDEFINES): Only define if not already specified.
10556 (TARGET_VERSION): Only define if not already specified.
10557 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
10559 (EXTRA_SWITCHES): Extra entries in the switches array.
10560 (TARGET_DEFAULT): Set default target processor.
10562 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
10564 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
10565 cases, add %# and %/, and add : to make them into extended asms.
10567 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
10569 * alias.c (init_alias_analysis): Clean up incompatible pointer
10570 type warning in bzero.
10571 * regmove.c (regmove_optimize): Ditto.
10572 * haifa-sched.c (find_rgns): Ditto.
10574 * haifa-sched.c (print_value): Clean up ptr->int cast
10577 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
10579 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
10580 * install.texi (Configurations): Ditto.
10581 * config.sub: Ditto.
10583 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
10585 * Makefile.in (sdbout.o): Depend on insn-config.h.
10587 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
10589 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
10590 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
10592 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
10594 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
10595 prologue insn, only the first elt is significant.
10596 (output_call_frame_info): For exception handling, always use 4-byte
10597 fields as specified by the dwarf2 spec.
10598 Don't skip trivial FDEs.
10600 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
10602 * version.c: Bump for snapshot.
10604 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
10606 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
10607 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
10610 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
10612 * final.c (shorten_branches): During first pass, assume worst
10613 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
10615 * Makefile.in (distclean): Remove various things left around
10616 by running the testsuite.
10618 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
10620 * configure.in (out_file): Emit definition to config.status in order
10621 to have a defined value for configure.lang.
10622 * configure: Re-built.
10624 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
10626 * configure.in: Make symlink to as-new rather than as.new. Similarly
10628 * configure: Rebuilt.
10630 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
10632 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
10634 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
10636 * sparc/sparc.md: Add ultrasparc scheduling support.
10637 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
10639 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
10641 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
10642 as initial value for real_label_map.
10643 (copy_for_inline): Likewise.
10645 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10647 * sched.c (update_flow_info) When looking if to set found_split_dest
10648 or found_orig_dest, look at all parts of a PARALLEL.
10649 * haifa-sched.c (update_flow_info): Likewise.
10651 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
10653 * v850: New directory for v850 port.
10654 * v850/lib1funcs.asm: New file.
10655 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
10656 * ginclude/va-v850.h: New file.
10657 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
10658 * configure.in (mn10200-*-*): New target.
10659 * configure: Rebuilt.
10660 * config.sub: Handle v850-elf.
10661 * Makefile.in (USER_H): Add va-mn10200.h.
10662 * invoke.texi: Document v850 stuff.
10664 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
10666 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
10667 has integer TYPE_{MAX,MIN}_VALUE before using them.
10669 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
10670 __HPUX_ASM__ versions.
10672 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
10674 * install.sh: Delete duplicate install script.
10676 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
10678 * reg-stack.c (subst_stack_regs): Pop the stack register for a
10679 computed goto which sets the same stack register.
10681 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
10682 destination are both on the regstack.
10683 (subst_stack_regs_pat): Put the destination at the top of the regstack.
10685 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
10687 * mips.md (nonlocal_goto_receiver): Define.
10689 * profile.c (output_arc_profiler): Check next_insert_after for non
10690 NULL before deferencing it.
10692 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
10694 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
10696 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
10698 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
10700 * toplev.c (rest_of_compilation): For passes starting with
10701 flow_analysis, use print_rtl_with_bb instead of print_rtl.
10703 * print-rtl.c (print_rtl_single): Print a single rtl value to a
10706 * flow.c (print_rtl_with_bb): Print which insns start and end
10707 basic blocks. For the start of a basic block, also print the live
10710 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
10712 * toplev.c (main): Change #elif to #else/#ifdef
10714 * tlink.c: Include ctype.h.
10715 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
10717 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
10719 * bitmap.c: Conditionally include stdlib.h.
10720 (free): Provide a declaration if NEED_DECLARATION_FREE.
10722 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
10724 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
10726 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
10728 * profile.c (output_arc_profiler): Verify next_insert_after is an
10729 INSN before and after skipping a stack pop.
10731 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10733 * final.c (shorten_branches): Don't count the lengths of deleted
10736 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
10738 * version.c: Bump for snapshot.
10740 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
10742 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
10743 two bitmaps ANDed together.
10744 (bitmap_print): Declare.
10746 * bitmap.c (function_obstack): Don't declare any more.
10747 (bitmap_obstack): Obstack for allocating links from.
10748 (bitmap_obstack_init): New static to say whether to initialize
10750 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
10751 (bitmap_release_memory): Free all memory allocated from
10754 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
10755 EXECUTE_IF_AND_IN_BITMAP.
10757 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
10759 * alias.c (true_dependence): Address with AND can alias scalars.
10760 (anti_dependence, output_dependence): Likewise.
10762 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
10764 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
10766 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
10767 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
10768 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
10769 definitions. Use -qrtems instead of -mrtems.
10771 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
10773 * xm-sco5.h (sys_siglist): Define.
10774 (SYS_SIGLIST_DECLARED): Likewise.
10776 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
10778 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
10780 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
10782 * except.c (eh_outer_context): Expand masking operation using
10785 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
10787 * alpha.md (floatdisf2-1): New pattern.
10789 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
10791 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
10792 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
10793 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
10794 * gcc.texi: Note that if you define sys_siglist that you should
10795 also define SYS_SIGLIST_DECLARED.
10797 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
10798 are relative to the next instruction, not the current instruction.
10800 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
10802 * local-alloc.c (contains_replace_regs): New function.
10803 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
10804 verify that there is no existing REG_EQUIV note, and add a call to
10805 contains_place_regs.
10807 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10809 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
10810 (STARTFILE_SPEC): Always use crtbegin.o%s
10811 (ENDFILE_SPEC): Always use crtend.o%s.
10813 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
10815 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
10817 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
10818 SFmode for 64 bit hosts.
10820 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
10822 * fixincludes: Permits spaces between # and define. Discard C++
10823 comments in sys/pci.h on HP/UX 10.20.
10825 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
10827 * version.c: Bump for snapshot.
10829 * pa.c (restore_unscaled_index_insn_codes): New function.
10830 (record_unscaled_index_insn_codes): Likewise.
10831 (output_function_prologue): Call restore_unscaled_index_insn_codes.
10832 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
10833 (pa_reorg): Call record_unscaled_index_insn_codes.
10835 * haifa-sched.c (move_insn): Handle notes correctly for insns
10836 with SCHED_GROUP_P set.
10838 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10840 * alpha/xm-linux.h (USE_BFD): Undef before define.
10842 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
10844 * cse.c (cse_insn): Don't record BLKmode values.
10846 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
10848 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
10850 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
10852 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
10853 * collect2.c (sys_errlist): Likewise.
10854 * cpplib.c (sys_errlist): Likewise.
10855 * gcc.c (sys_errlist): Likewise.
10856 * protoize (sys_errlist): Likewise.
10857 * configure.in: Check for strerror.
10858 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
10859 * xm-gnu.h (HAVE_STRERROR): Likewise.
10860 * xm-linux.h (HAVE_STRERROR): Likewise.
10861 * xm-netbsd.h (HAVE_STRERROR): Likewise.
10862 * xm-bsd386.h (HAVE_STRERROR): Likewise.
10863 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
10864 * xm-dos.h (HAVE_STRERROR): Likewise.
10865 * xm-mingw32.h (HAVE_STRERROR): Likewise.
10866 * xm-pa.h (HAVE_STRERROR): Likewise.
10867 * xm-papro.h (HAVE_STRERROR): Likewise.
10868 * xm-sysv4.h (HAVE_STRERROR): Likewise.
10869 * configure, config.in: Rebuilt.
10871 * Makefile.in: Add several missing "else true" clauses.
10873 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
10874 * mips-tfile.c: Likewise.
10875 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
10876 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
10877 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
10878 * configure.in: Check for sys_siglist declaration.
10879 * configure, config.in: Rebuilt.
10881 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
10883 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
10884 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
10885 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
10886 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
10887 * rs6000/sysv4.h (extra_subtarget_switches): Added new
10888 macro EXTRA_SUBTARGET_SWITCHES.
10889 * configure.in (sh*-*-rtems*): New target.
10890 * sh/rtems.h: New file.
10891 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
10892 * configure: Rebuilt.
10894 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
10896 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
10898 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
10900 * rs6000.md: Make DF fused-add operations pay attention to
10903 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
10905 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
10907 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
10909 * pa.md (reload_peepholes): Make sure operand is a REG before
10910 examining REGNO. Allow general registers too.
10912 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
10914 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
10916 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
10918 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
10919 to reallocate abbrev_die_table.
10921 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
10923 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
10925 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10927 * Makefile.in (config.status): Depend on version.c
10929 * expr.h (insn_gen_function): Reenable prototype.
10931 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
10934 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
10936 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
10938 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
10940 * version.c: Bump for latest snapshot.
10942 * bc-optab.c: Conditionally include stdlib.h.
10943 (free): Provide a declaration if NEED_DECLARATION_FREE.
10944 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
10945 * rtl.h (free): Remove declaration.
10946 * tree.h (free): Remvoe declaration.
10948 * configure: Rebuilt.
10950 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
10952 * flags.h (flag_move_all_movables): Declare.
10953 (flag_reduce_all_givs): Likewise.
10954 * loop.c (move_movables): Handle flag_move_all_movables.
10955 (strength_reduce): Handle flag_reduce_all_givs.
10956 * toplev.c (flag_move_all_movables): Define.
10957 (flag_reduce_all_givs): Likewise.
10958 (f_options): Add -fmove-all-movables and -freduce-all-givs.
10959 * invoke.texi: Document new options, including alias stuff that
10960 wasn't included last time.
10962 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
10964 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
10965 * t-mn10200: Ditto.
10966 * t-vxsparc: Ditto.
10967 * t-vxworks68: Ditto.
10968 * t-vxworks960: Ditto.
10971 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
10973 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
10974 if not already defined, and USE_C_ALLOCA not defined.
10976 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
10978 * config.guess: Replace with script that uses ../config.guess.
10980 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
10981 if USE_GNULIBC_1 is not defined.
10983 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
10985 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
10986 * config.guess: Recognize alpha-linux-gnulibc1.
10987 * configure.in (alpha-*-linux-gnulibc1): New target.
10988 (alpha-*-linux-gnu*): Don't build crtbegin/end.
10990 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
10992 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
10995 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
10997 * loop.c (combine_movables): Earlier insns don't match later ones.
10999 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
11001 * config/linux.h (CC1_SPEC): Define it only if not defined.
11003 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
11006 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
11007 USE_GNULIBC_1 is not defined.
11009 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
11011 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
11012 as 1 if USE_GNULIBC_1 is not defined.
11014 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
11016 * reorg.c (dbr_schedule): Allow current_function_return_rtx
11017 to be something other than a REG.
11018 * function.c (expand_function_end): Fix current_function_return_rtx
11019 if it was a pseudo.
11021 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
11022 * x-netbsd: Likewise
11023 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
11024 (INSTALL_HEADERS): Delete.
11025 * x-dguxbcs: Likewise.
11026 * x-hp3bsd44: Likewise
11029 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11031 * i386.md (pop): pop increments the stack pointer.
11032 (prologue_set_stack_ptr): New pattern.
11033 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
11036 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
11038 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
11039 address where an offsettable address is required.
11041 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
11043 * loop.c (check_final_value): Don't miss a biv increment in a
11046 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
11048 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
11049 TYPE_DECL_IS_STUB instead of DECL_NAME.
11051 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
11053 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
11055 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
11057 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
11059 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
11061 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
11062 (find_post_sched_live): Likewise.
11064 * haifa-sched.c (schedule_block): Remove old code to get arguments
11065 from hard regs into pseudos early.
11067 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
11069 * version.c: Bump for new snapshot.
11071 * local-alloc.c (update_equiv_regs): All the target to reject
11072 promotion of some REG_EQUAL to REG_EQUIV notes.
11073 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
11075 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
11078 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
11079 store of the argument registers.
11081 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
11083 * fold-const.c (multiple_of_p): New function.
11084 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
11086 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
11088 * expr.h (insn_gen_function): Temporarily remove prototype.
11090 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
11092 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
11093 filenames. Use sed to extract base filename for install.
11095 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
11097 * unroll.c (find_splittable_givs): Only share if two givs have the
11098 same add and multiply values.
11100 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
11102 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
11103 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
11105 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
11107 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
11108 around branch tables.
11109 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
11110 and .end_brtab directives if TARGET_GAS.
11112 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
11114 * alias.c (true_dependence): Pass x_addr not x to varies.
11116 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
11117 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
11118 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
11120 * config.in, configure: Regenerate.
11122 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
11124 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
11126 (record_set): Handle LO_SUM like PLUS.
11127 (init_alias_analysis): When following chains of base addresses,
11128 do not stop on reaching a hard register.
11130 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
11132 * version.c: Bump for new snapshot.
11134 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
11136 * alpha.h (ARCH_ASM_FILE_START): Define.
11137 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
11138 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
11140 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
11142 * Makefile.in (install-common): Put gcov comment at start of line.
11144 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
11146 * alias.c (init_alias_analysis): When simplifying the reg_base_value
11147 array, simplify entries for hard registers too.
11149 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
11151 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
11154 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
11156 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
11157 block_stack before dereferencing it.
11159 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
11161 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
11163 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
11165 * cplus-dem.c: Add 'extern' to prepends_underscore.
11167 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
11169 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
11170 (get_issue_rate): Delete.
11171 * pa.h (ISSUE_RATE): Define.
11173 * configure.in: Turn on haifa by default for the PA.
11174 * configure: Rebuilt.
11175 * pa.c (override_options): Accept -mschedule=7200 option.
11176 (pa_adjust_cost): No longer need to scale costs for newer
11178 * pa.h (enum processor_type): Add PROCESSOR_7200.
11179 * pa.md: Revamp scheduling parameters to work better with
11180 haifa. Add scheduling parameters for the 7200.
11182 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
11184 (schedule_block): When adjusting basic_block_{head,end}, account
11185 for movement of SCHED_GROUP_P insns too.
11187 * haifa-sched.c (debug_dependencies): Fix thinko.
11189 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
11190 (site.exp, check, check-g++, check-gcc): New targets.
11192 * haifa-sched.c: Make lots of variables static.
11194 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
11196 * expr.h, real.h: Finish prototyping.
11198 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
11200 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
11201 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
11202 * reload1.c: Undo bugfix from Aug 11.
11204 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
11206 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
11207 quotes around the name.
11208 * configure: Regenerate.
11210 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
11212 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
11214 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
11216 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
11217 to sub-makes to avoid building more passes than the user might have
11218 requested on the command line.
11220 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
11222 * configure.in: Expurgate `broken_install' (install is
11225 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
11228 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
11230 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
11231 functions and declarations.
11232 (analyze_loop_iterations): Use condjump_p.
11233 (insert_bct): Likewise. Use exact_log2.
11235 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
11237 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
11238 (schedule_region): Likewise.
11239 (schedule_insns): Likewise.
11241 * PROJECTS: Update with Haifa stuff.
11243 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
11245 * version.c: Change the version string to look like:
11246 egcs-2.90.00 970814 (gcc2-970802 experimental).
11248 * loop.c (is_conditional_branch): Make definition match declaration.
11250 * gcc.c: Take out experimental snapshot warning message.
11252 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
11254 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
11255 print out the names of the notes. Print out the name of the insn
11256 that is not a note, and not an {,CALL_,JUMP_}INSN.
11258 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
11260 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
11261 again for the slot after we give it RTL.
11263 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
11265 * configure.in (haifa configury): Fix typo.
11266 * configure: Regenerate.
11268 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
11270 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
11272 * gcc.info*: Rebuilt.
11274 * COPYING.g77, README.g77: New files.
11275 * real.c (ereal_unto_float, ereal_unto_double): New functions.
11276 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
11277 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
11279 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
11281 * Integrate Haifa instruction scheduler.
11282 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
11283 to sched with $(SCHED_CFLAGS.
11284 * configure.in: Handle --enable-haifa.
11285 * configure: Rebuilt.
11286 * flags.h: Add new flags for haifa instruction scheduler.
11287 * genattrtab.c (expand_units): For haifa, don't subtract one
11288 when computing blockage.
11289 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
11290 (flag_schedule_speculative): Ditto.
11291 (flag_schedule_speculative_load): Ditto.
11292 (flag_schedule_speculative_load_dangerous): Ditto.
11293 (flag_schedule_reverse_before_reload): Ditto.
11294 (flag_schedule_reverse_after_reload): Ditto.
11295 (flag_branch_on_count_reg): Ditto.
11296 (f_options): Add Haifa switches.
11297 (main): Turn off some Haifa options if appropriate macro is
11298 defined. Process Haifa switches.
11299 * unroll.c (iteration_info): No longer static, since Haifa
11301 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
11302 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
11303 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
11304 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
11305 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
11306 storage for the Haifa scheduler.
11307 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
11309 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
11310 are defined, call analyze_loop_iterations and insert_bct to use
11312 (record_giv): Refine test for jumps out of loops if HAIFA is
11314 (analyze_loop_iterations): New function to identify if we can use
11316 (insert_bct): Insert countdown loop.
11317 (instrument_loop_bct): Low level code to insert countdown loop.
11318 (loop_number): Calculate UID of loop.
11319 (indirect_jump_in_function_p): Return true if an indirect jump is
11321 (is_power_of_2): Return true if value is a power of 2.
11322 (is_conditional_branch): Return true if insn is a conditional
11324 (fix_bct_param): Process -fbct-{min,max}-N switches.
11325 (check_bct_param): Return true if loop should be instrumented.
11326 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
11327 (loop_optimize): Initialize.
11328 (get_condition_for_loop): Ditto.
11329 * loop.c (strength_reduce): Inside of code that uses #ifdef
11330 HAVE_decrement_and_branch_on_count code, test it to make sure the
11332 (instrument_loop_bct): Ditto.
11333 * haifa-sched.c: New file.
11336 * Integrate regmove pass.
11337 * Makefile.in (OBJS): Add regmove.o
11338 (regmove.o): Add dependencies.
11339 * flow.c (find_use_as_address): No longer static.
11340 * rtl.h (find_use_as_address): Declare.
11341 * toplev.c (regmove_dump, flag_regmove): Define.
11342 (f_options): Add -fregmove.
11343 (regmove_dump_file, regmove_time): Define.
11344 (fatal_insn): Close the regmove dump file.
11345 (compile_file): Initialize regmove_time; open/close the regmove dump
11346 file as needed. Print regmove time as needed.
11347 (rest_of_compilation): Run regmove pass if requested, dump
11348 RTL after regmove if requested.
11349 (main): If -O2 or more, turn on regmove. Handle dump switches.
11350 * regmove.c: New file.
11352 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
11354 * Integrate tlink patch from jason@cygnus.com
11355 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
11356 (process_command): Increment n_switches for them. Don't discard
11357 their args. Validate them.
11358 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
11360 (process_command): Set include_prefixes from COMPILER_PATH.
11361 (main): Set COLLECT_GCC_OPTIONS sooner.
11362 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
11363 * tlink.c, hash.c, hash.h: New files.
11364 * Makefile.in (USE_COLLECT2): Always use collect2.
11365 (collect2): Depend on and link in hash.o and tlink.o.
11366 (tlink.o, hash.o): Add dependencies.
11368 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
11370 * Integrate alias analysis changes from jfc@mit.edu
11371 * Makefile.in (OBJS): Add alias.o
11372 (alias.o): Add dependencies.
11373 * alias.c: New file.
11374 * sched.c: Remove alias analysis code. It lives in alias.c now.
11375 (sched_analyze_2): Add new arguments to true_dependence.
11376 (schedule_insns): Always call init_alias_analysis.
11377 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
11378 mark return value from such functions as a pointer and keep track of
11379 them for alias analysis. If a return value from a function is a
11380 pointer, mark it as such.
11381 * combine.c (distribute_notes): Handle REG_NOALIAS.
11382 * cse.c (struct write_data): Delete. No longer needed.
11383 (invalidate): Don't call set_nonvarying_address_components anymore.
11384 Use true_dependence to decide if an entry should be removed from
11386 (invalidate_memory): Remove WRITES argument, simplify appropriately.
11388 (note_mem_written): Similarly for WRITE_PTR argument.
11389 (invalidate_from_clobbers): Similarly for W argument.
11390 (invalidate_for_call): Remove memory elements from the hash table.
11391 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
11392 (cse_rtx_varies_p): New function. Derived from old
11393 cse_rtx_addr_varies_p.
11394 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
11395 Don't call note_mem_written anymore. Stack pushes invalidate the stack
11396 pointer if PUSH_ROUNDING is defined. No longer need to call
11397 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
11398 (skipped_writes_memory): Remove variable.
11399 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
11400 (invalidate_skipped_block): Simplify for new alias analysis code.
11401 (cse_set_around_loop): Likewise.
11402 (cse_main): Call init_alias_analysis.
11403 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
11404 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
11405 (f_options): Add new alias checking arguments.
11406 (main): Set flag_alias_check when optimizing.
11407 * local_alloc (validate_equiv_mem_from_store): Add new arguments
11408 to true_dependence.
11409 (memref_referenced_p): Likewise.
11410 * loop.c (NUM_STORES): Increase to 30.
11411 (prescan_loop): Only non-constant calls set unknown_address_altered.
11412 (invariant_p): Add new arguments to true_dependence.
11413 (record_giv): Initialize unrolled and shared fields.
11414 (emit_iv_add_mult): Call record_base_value as needed.
11415 * loop.h (struct induction): Add unrolled and shared fields.
11416 * unroll.c (unroll_loop): Call record_base_value as needed.
11417 (copy_loop_body): Likewise.
11418 (final_biv_value): Likewise.
11419 (final_giv_value): Likewise.
11420 (find_splittable_regs): Likewise. Only create one new pseudo
11421 if we have multiple address GIVs that were combined with the same
11422 dst_reg GIV. Note when a new register is created due to unrolling.
11423 * rtl.c (reg_note_name): Add REG_NOALIAS.
11424 * rtl.h (enum reg_note): Similarly.
11425 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
11426 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
11427 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
11428 (true_dependence, read_dependence, anti_dependence): Likewise.
11429 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
11430 (mark_user_reg, mark_reg_pointer): Likewise.
11433 * Integrate reload bugfix from Wilon which enables the PA port
11434 to bootstrap again.
11435 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
11436 OPERAND_ADDRESS when computing how many registers an insn needs.
11437 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
11439 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
11440 OPADDR_ADDR reload.
11441 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
11442 in reload_reg_use_in_op_addr do not reach the end.
11443 do not reach the end.
11444 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
11445 RELOAD_FOR_OPERAND_ADDRESS.
11447 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
11449 * egcs project officially starts.
11452 add-log-time-format: current-time-string