1 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
3 * rs6000.md (call_value): Fix typo.
5 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7 * loop.c (strength_reduce): Calculate maybe_dead before
8 calling recombine_givs.
10 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
14 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
16 * objc/objc-act.c (encode_type): Encode the type instead of
17 encoding the mode of the type (patch from Richard Frith-Macdonald
18 <richard@brainstorm.co.uk>).
20 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
22 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
23 instruction killed in previous change. Simplify mask generation.
24 (*zeroextractsi_compare0_scratch): Simpify mask generation.
26 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
28 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
29 bitfield doe snot overflow a byte boundary.
31 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
33 * c-common.c (shorten_compare): Get the min/max value from the
34 underlying type of an enumeration, not the enumerated type itself.
36 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
38 * jump.c: Include insn-attr.h.
39 (delete_computation): If reload has completed and insn scheduling
40 after reload is enabled, then do not depend on REG_DEAD notes.
41 * Makefile.in (jump.o): Depend on insn-attr.h.
43 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
45 * i386.md (addsi3): Allow lea for any constant_p.
47 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
49 * toplev.c (documented_lang_options): Remove -fident and
50 -fnoident, which are now handled by the language independent
53 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
55 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
57 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
58 list in malloced memory for the buffer stack.
59 (cpp_get_token): Don't pop the last buffer off the stack.
60 Calls after CPP_EOF has been returned produce CPP_EOF with no
62 (cpp_finish): Pop last buffer here.
63 (do_line): Don't free ip->last_nominal_fname if it is equal to
65 (special_symbol): If a T_CONST is the empty string, push a
66 single `@ ' escape instead.
67 (macroexpand): Special symbol buffers have escapes too.
68 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
70 (struct cpp_reader): Remove buffer_stack. Add
72 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
75 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
77 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
78 WIDE_INT with WIDEST_INT.
81 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
82 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
83 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
84 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
85 definition of variable `c89' when compiling a test binary and set it.
87 * system.h: Don't define the PRINTF_PROTO_* macros.
89 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
91 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
92 we do not understand, mark the loop and containing loops as invalid.
94 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
96 * alias.c (init_alias_analysis): Avoid self-referential value
97 when setting reg_known_value from REG_EQUAL notes.
99 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
101 * i386.c (legitimate_address_p): Verify modes of base and index.
103 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
105 * i386.c (legitimate_pic_address_disp_p): Remove static.
106 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
109 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
111 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
112 * explow.c (probe_stack_range): Likewise.
113 * expmed.c (do_cmp_and_jump): Likewise.
114 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
115 (do_tablejump): Likewise.
116 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
117 (do_jump_if_equal, emit_case_nodes): Likewise.
118 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
119 then convert comparison to an unsigned code before emitting the jump.
120 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
122 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
124 * version.c: Bump for snapshot.
126 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
128 * version.c: Bump for snapshot.
130 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
132 * loop.c: Disable recent loop changes. Temporary as Joern
133 continues to fix problems.
135 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
137 * loop.c (combine_givs_used_by_other): Delete.
138 (combine_givs_benefit_from): Delete.
139 (combine_givs): Deny combination of givs only used once. Simplify
140 code with the death of combine_givs_benefit_from.
142 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
144 * loop.c (scan_loop): Call reg_in_basic_block_p before
145 loop_reg_used_before_p.
147 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
149 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
153 * arm.h (TARGET_OPTIONS): Reformat for clarity.
154 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
155 in the constant pool aren't valid.
156 (LEGITIMATE_PIC_OPERAND_P): Likewise.
158 * arm.c: Include "system.h", not stdio.h and string.h.
160 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
162 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
163 (optimize_tail_recursion): Change return type from void to int.
164 Add return statements.
165 * tree.h (optimize_tail_recursion): Change prototype to match.
167 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
169 * reload.c (find_reloads_subreg_address): New function, broken out of
171 (find_reloads_toplev, find_reloads_address_1): Use it.
173 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
175 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
176 extending a CONST_INT.
178 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
180 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
182 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
184 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
186 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
188 * loop.c (load_mems): Don't guess how to do a load / store, use
191 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
193 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
195 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
197 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
199 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
201 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
202 pseudo which is homed in the stack.
204 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
205 (compute_frame_size): Change loop over FP regs to be consistent
206 with the loop in save_restore_insns.
208 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
210 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
211 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
213 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
215 * mn10200.md (bset); Re-enable.
217 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
219 * sh.md (is_sfunc): New attribute.
220 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
222 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
224 * fold-const.c (range_binop): Take account of the bounded nature
225 of fixed length arithmetic when comparing unbounded ranges.
227 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
229 * function.c (assign_stack_temp_for_type): Clear best_p
230 when an exact match is found.
232 * i386.h (LOCAL_ALIGNMENT): Define.
233 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
234 (assign_stack_temp_for_type): New function based on assign_stack_temp.
235 (assign_stack_temp): Call it.
236 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
237 * stmt.c: Use assign_temp, not assign_stack_temp.
238 * tm.texi: Document LOCAL_ALIGNMENT.
240 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
242 * reorg.c: Finish deleting half-deleted comment.
244 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
246 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
248 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
250 * real.c (endian): Delete sign extension code.
251 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
252 replaced with operand_subword call.
254 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
256 * alpha.md (cmov compound patterns): Delete. Jump can now
257 create the correct constructs in the first place.
259 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
261 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
263 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
265 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
267 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
269 * tmp-emsgids.c: Delete.
271 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
273 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
276 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
278 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
280 * reload1.c (reload_combine_note_store): Second argument is no
281 longer unused/ignored. Handle multi-register hard regs.
282 (move2add_note_store): Simplify.
284 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
286 * collect2.c (collect_execute): Remove cygwin-specific code.
288 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
290 * system.h (_, N_): Remove dummy i18n macros.
291 * protoize.c: Move inclusion of intl.h to after system.h.
292 * cexp.y: Include intl.h.
295 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
297 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
298 fpic/fPIC for windows32 targets.
299 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
301 * i386/mingw32.h (CPP_SPEC): Define.
302 (CPP_PREDEFINES): Add MINGW32 version id.
303 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
305 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
306 add missing exeext to target.
308 * gcc.c (convert_filename): Handle null filename argument.
310 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
312 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
313 m constraint instead of QT.
315 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
317 * cpplib.c (special_symbol): Move IP to be declared in function
318 scope, rather than individual case statements.
320 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
322 * cppfiles.c (finclude): Handle pipes properly under old BSD
325 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
327 * system.h: Provide fallback definitions for S_ISCHR,
328 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
330 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
332 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
334 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
336 * configure.in: For PowerPC configurations, accept "401", "ec603e",
337 "740", and "750" as valid arguments to --with-cpu.
338 * configure: Rebuilt.
340 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
342 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
343 * configure: Rebuilt.
345 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
347 * rs6000.md: Revert "alternate use of crs if cr0 not available"
348 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
350 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
352 * output.h (current_function_has_computed_jump): Rename from
353 current_function_addresses_labels.
354 * function.h (struct function): Likewise for addresses_labels member.
355 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
356 * function.c (current_function_has_computed_jump): Likewise.
357 Update all references.
358 * integrate.c (function_cannot_inline_p):
359 Test current_function_has_computed_jump instead of addresses_labels.
360 (initialize_for_inline): Likewise save.
361 (output_inline_function): Likewise restore.
363 * expr.c (expand_expr): Don't reference addresses_labels variables.
364 * stmt.c (expand_computed_goto): Set has_computed_jump.
366 1999-02-08 Michael Meissner <meissner@cygnus.com>
368 This is being installed only to get it into the repository to help
369 with the revert, resubmit & review process for the massive rs6000.md
371 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
373 (anddi3_internal1): Ditto.
374 (andsi3_internal{2,3}): Correct some insn lengths.
375 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
378 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
380 * loop.c (reg_single_usage): New file-scope variable ...
381 (scan_loop): ... moved out of here. Always initialize.
382 Test loop_has_call instead of reg_single_usage not zero.
383 Free reg_single_usage after strength reduction.
384 (count_loop_regs_set): Assume single_usage non-zero.
385 (combine_givs_used_by_other): Test reg_single_usage.
386 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
387 as a parameter. Assume non-zero.
389 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
391 * cpplib.c (special_symbol): Rewrite. Don't copy things
392 multiple times. Handle __STDC__ specially. T_CONST
393 indicates a constant /string/. Don't handle T_*_TYPE and
394 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
395 adjust_position. Determine the file buffer only if needed.
396 (initialize_builtins): Handle __SIZE_TYPE__,
397 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
398 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
399 Don't provide __OBJC__; the driver does that. Provide
400 __STDC_VERSION__, using T_CONST. Use T_STDC for
401 __STDC__. Give install the length of all symbols defined.
402 (eval_if_expression): Drop code to insert and remove the
403 "defined" special symbol.
405 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
406 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
408 * cpphash.c (install): Drop the `ivalue' parameter. Constify
409 the `value' parameter. All callers changed.
410 * cpphash.h (install): Change prototype to match.
411 (union hashval): Remove `ival' member.
412 * cppexp.c (cpp_lex): Handle `defined' here.
414 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
416 * pa.h (EXTRA_CONSTRAINT): Fix comment.
418 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
420 * c-typeck.c (check_init_type_bitfields): Use nonincremental
421 initialization of unions whose first member is a bitfield.
422 Remove unnecessary code for checking the declaration mode
423 after DECL_C_BIT_FIELD.
425 * varasm.c (output_constructor): Additional comment about the
426 constructor of bitfield union initialization.
428 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
430 * config/c4x/c4x.md (*movhi_stik): New pattern.
431 (movhi): Allow some immediate constants to be directly
434 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
436 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
437 (call, call_value): Force address into a register if not valid
438 for a call instruction.
439 (load_immed_address): Emit a USE of the SYMBOL_REF that is
441 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
443 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
445 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
446 Rename from call_operand and symbolic_operand respectively. All
448 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
450 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
452 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
454 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
456 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
457 LO_SUM address for HImode or HFmode but instead force address into
458 a register so that it is offsettable.
459 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
461 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
463 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
464 REG+REG addressing if strength reduction enabled.
466 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
468 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
469 (TARGET_LIBGCC2_CFLAGS): Define.
471 1999-02-08 Nick Clifton <nickc@cygnus.com>
473 * config/v850/v850.md: Replace \\n\\t with \\;
475 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
476 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
477 Enforce TARGET_LONG_CALLS option.
479 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
481 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
483 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
485 * m88k/t-luna-gas: Remove bash dependency.
487 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
489 * collect2.c (xrealloc): Fix typo in last change.
491 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
493 * version.c: Bump for snapshot.
495 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
497 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
498 that we do not want macro replacement within a character constant.
499 (TYPE_CHECK1): Likewise.
501 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
503 * tree.h (DECL_P): New macro.
505 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
507 * version.c: Bump for snapshot.
509 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
511 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
513 * README.g77, gcc.c, gcc.texi: Update email addresses.
514 * invoke.texi system.h: Likewise.
516 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
518 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
519 to convert dest_reg to new_reg.
521 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
523 * reload1.c (reload_combine_note_store): Be more careful with
524 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
525 (move2add_note_store): Likewise.
527 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
529 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
530 U_CHAR* when assigning to one. Ensure the values of a ?: operator
533 * cppinit.c (initialize_char_syntax): Use K&R function definition.
535 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
538 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
539 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
540 (TARGET_CPU_DEFAULT): Rework to support ARM9.
541 (CPP_CPU_ARCH_SPEC): Likewise.
542 (enum processor_type): Likewise.
543 * config/arm/arm.md (attr cpu): Add arm9.
545 General scheduling changes
546 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
547 (max_insns_skipped): New variable.
548 (arm_override_options): If generating hard floating point code for
549 the FPA, emit code for version 3.
550 When optimizing for space, don't synthesize constants.
551 Reword several flags based on the requested processor and optimization
553 (use_return_insn): New argument iscond, all callers changed. Don't
554 use a return insn if it will be conditional and that would be
555 expensive; eg on StrongARM.
556 (arm_adjust_cost): Anti- and output- dependencies normally have no
558 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
559 the sequence is short.
560 (final_prescan_insn): Use max_insns_skipped instead of
561 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
562 conditional, and aviod this if it would be expensive.
563 * config/arm/arm.md (scheduling attributes and function units):
564 Rewrite to better describe ARM8, 9 and StrongARM.
566 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
568 (*ifcompare_plus_move): Use arm_rhs_operand in place of
569 arm_rhsm_operand. Rework constraints.
570 (*if_plus_move): Likewise.
571 (*ifcompare_move_plus): Likewise.
572 (*if_move_plus): Likewise.
573 (*ifcompre_arith_move): Likewise.
574 (*if_arith_move): Likewise.
575 (*ifcompare_move_arith): Likewise.
576 (*if_move_arith): Likewise.
578 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
580 1999-02-05 Michael Meissner <meissner@cygnus.com>
582 * loop.c (check_dbra_loop): A store using an address giv for which
583 we have no life information is not reversible.
585 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
587 * function.c (fixup_var_refs): Scan catch_clauses too.
589 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
591 * c-common.c (decl_attributes): Fix reserved space for init_priority.
592 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
594 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
596 * loop.c (strength_reduce): Clear not_every_iteration when
597 passing the NOTE_INSN_LOOP_CONT note.
599 * haifa-sched.c (add_dependence): Do not add a dependency on a
602 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
604 * recog.c (split_block_insns): Only call update_flow_info if
605 instruction scheduling is enabled.
607 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
609 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
611 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
613 * loop.c (first_loop_store_insn): New file-scope variable.
614 (prescan_loop): Set it.
615 (check_dbra_loop): Check if a store depends on a register
616 that is set after the store.
618 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
620 * unroll.c (entire file): Remove tabs / spaces at end of lines.
621 Replace spaces with tabs where appropriate.
623 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
625 * loop.c (scan_loop): New argument loop_cont. Changed caller.
626 (strength_reduce): New argument loop_cont. Changed caller.
627 Before clearing not_every_iteration after a label, check if
628 we are not already past LOOP_CONT.
630 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
632 * cpperror.c (cpp_print_containing_files): Fix formatting
633 bug induced by merge.
635 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
637 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
638 (cpp_define): Remove redundant syntax checks.
639 (make_assertion): Rename cpp_assert, remove redundant syntax
641 (cpp_options_init): Don't init things to zero twice.
642 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
643 (do_include): Kill excessively verbose #import warning that
644 snuck back in in the gcc2 merge.
645 (convert_string): Removed.
646 (do_line): Rewrite with simple last-name-used cache instead of
648 (cpp_start_read): Call initialize_char_syntax here, not...
649 (cpp_reader_init): ...here.
650 (cpp_handle_options): Support the -std switch.
651 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
652 (cpp_options): Add c9x flag.
653 Declare all the is_* tables and trigraph table here, as const.
654 Prototype cpp_assert and initialize_char_syntax.
655 * cppinit.c: New file.
656 * cppfiles.c (read_and_prescan): Optimize.
657 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
659 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
661 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
662 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
663 before calling gen_div_trap.
665 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
667 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
668 than numeric value for target_cpu_default..
669 * configure: Rebuilt.
671 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
673 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
674 mkstemp. Get them from libiberty.
675 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
676 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
677 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
678 (mkstemp.o, getopt1.o, getopt.o): Likewise.
680 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
682 * pa-hpux.h (LINK_SPEC): Likewise.
683 * pa-hpux10.h (LINK_SPEC): Likewise.
684 * pa-hpux9.h (LINK_SPEC): Likewise.
685 * pa-osf.h: (LINK_SPEC): Likewise.
686 * pa-pro.h (TARGET_DEFAULT): Likewise.
687 * pa1.h (TARGET_DEFAULT): Likewise.
688 * pa.h (MASK_*): New defines.
689 (TARGET_*): Use symbolic values rather than numeric values.
690 (TARGET_SWITCHES): Likewise.
691 (TARGET_DEFAULT): likewise.
692 (CPP_SPEC): likewise.
694 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
696 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
697 * reload.c (find_reusable_reload): New function, broken out of
698 push_reload. Add code to verify that none of the involved
699 outputs are subject to earlyclobbers.
700 (push_reload): Break out new function find_reusable_reload.
701 Delete "register" keyword for IN, OUT args.
703 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
705 * config/mips/mips.c (true_reg_or_0_operand) : New function.
706 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
707 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
708 Use true_reg_or_0_operand for div_trap.
710 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
712 * loop.h (express_from): Declare.
713 (struct induction): Replace derived flag with derived_from pointer.
714 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
715 (express_from): No longer static.
716 * unroll.c (find_splittable_givs): Replace derived with derived_from.
717 When processing an address giv with which another giv has been
718 combined that has also been derived from a third giv, handle like
719 having combined with the third giv.
720 Set splittable_regs_updates appropriately for derived givs.
722 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
724 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
726 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
728 * pa.c (insn_sets_and_refs_are_delayed): New function.
729 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
730 (INSN_REFERENCES_ARE_DELAYED): Likewise.
732 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
734 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
735 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
736 (TARGET_LIBGCC2_CFLAGS): Define.
737 (LIBGCC2_DEBUG_CFLAGS): Define.
738 * config/arm/t-netbsd: Likewise.
739 * config/arm/t-semi: Likewise.
740 * config/arm/t-semiaof: Likewise.
741 * config/arm/t-riscix: Likewise.
743 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
745 * config/m68k/m68k.c (print_operand_address): When printing a
746 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
748 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
750 * i386/freebsd*.h now allows '$' in label names and does not use the
751 PCC struct return method.
753 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
755 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
756 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
757 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
758 names if host == target.
759 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
760 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
761 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
762 setting them to *_FOR_TARGET.
763 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
766 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
768 * toplev.h (read_integral_parameter): Declare.
769 * toplev.c (read_integral_parameter): New function.
771 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
773 * resource.c, resource.h: New files.
774 * Makefile.in (OBJS): Add it.
776 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
777 (split_block_insns): Moved to recog.c.
778 (update_flow_info): Make public.
779 * rtl.h: Declare them.
781 * reorg.c: Moved the functions dealing with computing resource
784 * sched.c (regno_use_in): Moved to rtlanal.c.
785 (update_flow_info): Make public.
786 (schedule_insns): Use split_block_insns.
788 * recog.c (split_block_insns): New function.
790 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@mhpcc.edu>
792 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
793 (LINK_OS_DEFAULT_SPEC): Delete, unused.
795 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
797 * configure.in (arm-*-oabi): Support.
798 * configure: Regenerate.
799 * config/arm/unknown-elf-oabi.h: New file.
801 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
803 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
804 Make the anonymous pattern match when ! optimize_size.
805 (ashlsi3 size optimizer): New pattern.
807 * intl/Makefile.in (uninstall): Add missing "; \".
809 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
811 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
814 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
816 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
817 to after find_and_verify_loops call.
819 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
821 * (recombine_givs): Don't use a giv that's likely to be dead to
824 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
825 wrap around when deriving givs.
827 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
829 * recog.c (check_asm_operands): Treat indeterminate operand ok
830 results as success. Try harder to resolve a matching constraint.
831 * stmt.c (expand_asm_operands): Recognize when an output operand's
832 constraint does not allow memory. Treat indeterminate operand ok
833 results as failure. Try harder to resolve a matching constraint.
835 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
837 Use varrays for constant-equivalence data:
839 * varray.h (struct const_equiv_data): New type.
840 (union varray_data_tag): New element const_equiv.
841 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
842 (VARRAY_SIZE): New macro, returns number of elements.
843 * integrate.h: Include varray.h.
844 (struct inline_remap): Replace const_equiv_map, const_age_map and
845 const_equiv_map_size with a const_equiv_varray element.
846 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
848 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
849 simultaneously, growing the varray if needed.
851 * integrate.c (global_const_equiv_map,
852 global_const_equiv_map_size): Deleted, replaced by....
853 (global_const_equiv_varray): New variable.
854 (expand_inline_function): References changed.
855 * integrate.h: Update declarations.
857 * integrate.c (process_reg_parm, expand_inline_function,
858 copy_rtx_and_substitute, try_constants, subst_constants,
859 mark_stores): Use varray allocation and accessor macros, new
860 integrate.h macros, and global_const_equiv_varray. Don't
861 conditionalize non-NULL stores on array size; instead, expand the
863 * unroll.c (unroll_loop): Likewise.
865 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
866 zero. After allocating varray, always exit through bottom of
867 function, where it can be deallocated if needed. Don't explicitly
868 reallocate const_equiv_map storage; instead, just ensure the
869 varray has been initialized, and update the global reference.
871 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
873 * system.h (inline, const): Handle these for stage2 (and later) gcc.
875 * dwarf2out.c (inline): Don't define.
877 * dwarfout.c (inline): Likewise.
879 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
881 * loop.c (recombine_givs): Dump recombination and derivation data.
883 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
885 * flags.h: Declare flag_no_ident.
886 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
887 * c-tree.h: Don't declare flag_no_ident.
888 * c-decl.c: Don't define flag_no_ident. Don't process
889 -f(no-)ident switches here.
891 * config/elfos.h (ASM_FILE_END): Output final .ident directive
892 only if !flag_no_ident.
893 * config/ptx4.h: Likewise.
894 * config/svr4.h: Likewise.
895 * config/alpha/elf.h: Likewise.
896 * config/arm/linux-elf.h: Likewise.
897 * config/i386/sco5.h: Likewise.
898 * config/i860/fx2800.h: Likewise.
899 * config/mips/gnu.h: Likewise.
900 * config/i386/osfrose.h: Likewise.
902 * gcc.c (C specs): Map -Qn to -fno-ident.
903 * objc/lang-specs.h: Likewise.
905 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
907 * configure.in: Don't remove loop.o and unroll.o when
908 enable-haifa is selected.
909 * configure: Rebuilt.
911 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
913 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
914 movxfcc, movdicc): Delete unconstrained alternatives.
915 * i386.c (output_fp_conditional_move,
916 output_int_conditional_move): Delete unused case.
918 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
920 * version.c: Bump for snapshot.
922 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
924 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
925 instead of bis and cpys. Combine alternatives where possible.
927 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
929 * gcov.c (fnotice): Add missing FILE* parameter.
930 (function_summary): Fix format specifiers in calls to `fnotice'.
931 (output_data): Likewise.
933 * toplev.c (fnotice): Constify char* parameter.
935 * toplev.h (fnotice): Add prototype.
936 Wrap prototype with BUFSIZ to protect FILE* usage.
938 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
940 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
942 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
944 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
946 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
948 (aliases_everything_p, write_dependence_p):Likewise.
950 * install.texi: Fix merge lossages.
952 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
954 * collect2.c (main): Likewise.
955 * cppmain.c (main): Likewise.
956 * gcc.c (main): Likewise.
957 * gcov.c (main): Likewise.
958 * protoize.c (main): Likewise.
959 * toplev.c (main): Likewise.
961 * pa.md (parallel shift and shiftadd): Mark output of shift as an
964 * loop.c: Disable recent loop changes. Temporary as Joern
965 continues to fix problems.
967 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
969 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
971 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
973 * emit-rtl.c (remove_insn): New function.
974 * rtl.h (remove_insn): Add prototype.
975 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
977 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
979 * loop.c (recombine_givs): Don't try to derive givs that have combined.
981 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
983 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
984 when declaring arguments and calling va_arg() to initialize them.
986 * collect2.c (notice): Likewise.
988 * loop.c (find_life_end): Use PROTO() macro in the prototype.
990 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
992 * collect2.c (error): Fix typo in declaration.
994 * cpperror.c (cpp_message): Likewise.
996 * cpplib.c (cpp_warning): Likewise.
998 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
1001 * toplev.c (error): Fix typo in declaration.
1003 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1005 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
1006 forward from cont dominator.
1008 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1010 * cccp.c (eprint_string): Constify a char*.
1011 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
1012 (vnotice): Constify a char*.
1013 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
1014 (verror): Constify a char*.
1015 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
1016 (vwarning): Constify a char*.
1017 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
1019 (verror_with_line): Constify a char*.
1020 (vwarning_with_line): Likewise.
1021 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
1023 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
1025 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
1026 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
1027 Also correct typo in parameter name declaration.
1028 (make_assertion): Constify a char*.
1029 (quote_string_for_make): Likewise.
1030 (deps_output): Likewise.
1031 (fatal): Likewise. Use PVPROTO not VPROTO, add
1032 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
1033 "__attribute__ ((noreturn))".
1034 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
1035 (pfatal_with_name): Likewise.
1036 (pipe_closed): Likewise.
1037 (memory_full): Likewise.
1039 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1041 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
1042 may_not_optimize to proper size when converting biv increments
1044 If necessary, reallocate reg_iv_type / reg_iv_info before calling
1047 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1049 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
1050 generate complex adds. Changed caller.
1051 Don't generate adds that cost more than the original one.
1052 (strength_reduce): Warning fixes.
1054 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
1056 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
1057 * configure: Rebuilt.
1059 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1061 * rtl.h (insn_first_p): Declare.
1062 * rtlanal.c (insn_first_p): New function.
1063 * loop.h (varray.h): Include.
1064 (struct induction): Change combined_with to unsigned.
1065 New members derived, ix and last_use.
1066 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
1067 (REG_IV_TYPE, REG_IV_INFO): Define.
1068 (first_increment_giv, last_increment_giv): Declare.
1069 * loop.c (loop_number_loop_cont): New static variable.
1070 (loop_number_cont_dominator): Likewise.
1071 (reg_iv_type, reg_iv_info): Now varray_type.
1072 (first_increment_giv, last_increment_giv): New variables.
1073 (compute_luids, verify_dominator, find_life_end): New functions.
1074 (cmp_recombine_givs_stats, recombine_givs): Likewise.
1075 (loop_optimize): Allocate loop_number_loop_cont and
1076 loop_number_cont_dominator. Use compute_luids.
1077 (find_and_verify_loops): Initialize loop_number_loop_cont and
1078 loop_number_cont_dominator.
1079 (strength_reduce): Try to find bivs that can be expressed as givs
1080 of another biv, and to convert biv increments into givs.
1081 Call recombine_givs. Handle derived givs.
1082 (record_biv): New argument location. All callers changed.
1083 (record_giv): Initialize derived and last_use fields.
1084 (basic_induction_var): New argument location. All callers changed.
1085 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
1086 Increment combined_with instead of setting to 1.
1087 * unroll.c (derived_regs): New static variable.
1088 (unroll_loop): Initialize it.
1089 Allocate local_regno according to max_reg_num.
1090 (copy_loop_body): Cope with derived givs.
1091 (find_splittable_givs): Check for Givs made from biv increments.
1092 Set derived_regs for givs.
1093 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
1095 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1097 * function.c (purge_addressof_1): Handle case when a register
1098 has been used in a wider mode.
1100 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
1102 * cpplib.h (cpp_notice): Add prototype.
1104 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
1106 * Merge gcc2 snapshot 19980929.
1108 * cccp.c (PRINTF_PROTO): Remove.
1109 (PRINTF_PROTO_{1,2,3,4}: Likewise.
1111 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
1113 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
1114 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
1115 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
1117 * gen-protos.c (hashf): Delete in cpphash.o
1118 * gen-protos.c (hashf): Delete in cpphash.o
1120 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
1121 * expmed.c: Likewise.
1122 * rs6000.md: Likewise.
1124 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
1126 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
1128 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
1129 * rs6000.md (movsi, movdi): Likewise.
1131 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
1133 * function.c (expand_function_end): Pass arg_pointer_save_area to
1134 validize_mem before using it. Emit code into a sequence.
1136 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
1138 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
1139 '#' to split patterns. Correct indentation of some new patterns.
1141 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
1143 * cppfiles.c (safe_read): Deleted.
1144 (read_and_prescan): New function, replaces safe_read, converts
1145 and/or warns about trigraphs, silently converts odd line
1146 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
1147 (finclude): Use read_and_prescan; turn off nonblocking mode on
1148 the input descriptor; remove file-size-examination and
1149 no-newline-at-EOF gunk which is longer necessary; be more
1150 careful about checking that we've been handed a legitimate
1151 file to read (only real files, pipes, and ttys are acceptable).
1152 * cpplib.h (cpp_options): Rename no_trigraphs flag to
1153 `trigraphs' and invert its sense.
1154 (trigraph_table): Declare.
1155 (cpp_warning_with_line): Prototype.
1156 * cpplib.c: Remove all references to trigraph_pcp. Define
1157 trigraph_table; initialize it in initialize_char_syntax. Open
1158 files in nonblocking mode. s/no_trigraphs/trigraphs/
1159 throughout, and invert sense. Put cpp_warning_with_line back
1162 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1164 * config/c4x/c4x.h (COUNTER_REGS): New register class.
1165 * config/c4x/c4x.md (*rptb_init): Change constraints.
1166 (rptb_end): Emit alternate looping instructions if
1167 RC register not allocated for loop counter.
1168 (decrement_and_branch_on_count): Allow other registers
1171 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1173 * cppexp.c (struct arglist): Removed.
1174 (parse_number): Use HOST_WIDE_INT for the accumulator.
1175 Allow two `l' suffixes unless C89. Clean up. Make static.
1176 (parse_charconst): New function broken out of cpp_lex.
1177 Code cleaned up drastically. Don't use a token_buffer.
1178 (token_buffer): Removed.
1179 (cpp_lex): Don't call parse_number on a constant string.
1180 Use parse_charconst.
1181 (cpp_parse_expr): Properly handle an ERROR op returned by
1184 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1186 * cpplib.c: Don't include signal.h, sys/times.h, or
1187 sys/resource.h. Don't declare localtime.
1188 (macroexpand): Handle special symbols here.
1189 (push_macro_expansion): Chop off the trailing '@ ' if possible
1191 (cpp_get_token): Don't do either of the above two things here.
1192 Move `string' label just after case '"' so that wide strings
1193 don't crash the preprocessor.
1195 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu>
1197 * rs6000.md (left shift + set cr patterns): Add missing '#' to
1199 (move register + set cr pattern): Ditto.
1200 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
1201 inadvertently deleted.
1203 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
1205 * stmt.c (stmt_loop_nest_empty): New function.
1206 * tree.h (stmt_loop_nest_empty): Declare it.
1207 * rtl.def (CALL_PLACEHOLDER): New rtx code.
1209 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1211 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
1213 (c4x_check_legit_addr): Remove USE and PLUS, allow
1214 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
1215 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
1216 CONST cases. Add LO_SUM.
1217 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
1218 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
1219 (c4x_print_operand_address): Handle LO_SUM.
1220 (c4x_scan_for_ldp): Delete. Hooray!
1221 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
1223 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
1225 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
1227 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
1229 (c4x_U_constraint, symbolic_operand): New functions.
1230 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
1231 disable SYMBOL_REF, LABEL_REF, and CONST.
1232 (lsrc_operand, tsrc_operand): Call src_operand instead of
1234 (c4x_operand_subword): Update comments.
1236 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
1237 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
1238 plus HIGH and LO_SUM for the C40.
1239 (ENCODE_SECTION_INFO): Define macro.
1240 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
1242 (PREDICATE_CODES): Add symbolic_operand.
1244 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
1245 c4x_emit_move_sequence.
1246 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
1247 to avoid symbol references.
1248 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
1249 (set_high): Renamed from set_high_use.
1250 (set_lo_sum): Renamed from set_ior_lo_use.
1251 (all call patterns): Make MEM explicit in call address operands.
1252 Modified output templates to use 'U' modifier.
1254 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
1256 * version.c: Bump for snapshot.
1258 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1260 * final.c (bb_str): Qualify a char* with the keyword `const'.
1261 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
1263 * fix-header.c (read_scan_file): Likewise.
1265 * genoutput.c (output_epilogue, process_template): Likewise.
1267 * local-alloc.c (requires_inout, block_alloc): Likewise.
1269 * output.h (output_asm_insn, assemble_string): Likewise.
1271 * recog.c (recog_constraints, check_asm_operands,
1272 decode_asm_operands, extract_insn, preprocess_constraints,
1273 constrain_operands): Likewise.
1275 * recog.h (operand_alternative, recog_constraints, insn_template,
1276 insn_outfun, insn_operand_constraint, insn_name): Likewise.
1278 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
1280 * regmove.c (find_matches): Likewise.
1282 * reload.c (alternative_allows_memconst): Likewise.
1284 * reload1.c (constraint_accepts_reg_p,
1285 reload_cse_simplify_operands): Likewise.
1287 * rtl.h (decode_asm_operands): Likewise.
1289 * scan.h (fn_decl): Likewise.
1291 * varasm.c (assemble_string): Likewise.
1293 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
1295 * configure.in (gcc_tooldir): Handle case where exec_prefix has
1296 not been explicitly set.
1297 * configure: Rebuilt.
1299 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
1302 * bitmap.h (bitmap_head_def): Make indx field unsigned.
1304 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
1305 use $exec_prefix/$target_alias for gcc_tooldir.
1306 * configure: Rebuilt.
1308 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
1310 * cppp.c (xrealloc): Fix typo last change.
1311 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
1312 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
1313 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
1315 1999-01-22 Michael Meissner <meissner@cygnus.com>
1317 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
1318 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
1319 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
1320 (cc_reg_not_cr0_operand): Add declaration.
1322 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
1323 pseudo register, or a control register that is not CR0.
1325 * rs6000.md (all combiner patterns building . instructions): For
1326 all `.' instructions that do something and set cr0, add an
1327 alternative that does the operation, and then sets a different
1328 flag, in order to avoid using the costly mcrf instruction and also
1329 allow cr0 to be clobbered in asm statements. Also fix a few
1330 patterns that used the wrong register.
1332 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
1333 (rs6000_debug_name): Make const char *, not char *.
1335 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
1337 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
1338 (rs6000_select): Use const char * in casts.
1340 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
1342 * Makefile.in (gcc_tooldir): Move before first reference.
1343 Let autoconf substitute in a value.
1344 * configure.in (gcc_tooldir): Only use a relative path to the
1345 tool directory if $exec_prefix == $prefix.
1346 * configure: Rebuilt.
1348 * Makefile.in (tooldir): Replace with gcc_tooldir.
1350 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
1352 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
1353 (ashldi3 expander): Similarly. Update comments.
1354 (ashrdi_const, lshrdi_const): Fix indention.
1355 (ashrdi3, lshrdi3): FIx indention. Update comments.
1357 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
1359 * emit-rtl.c (try_split): Don't try to split non-instructions.
1361 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1363 * expr.c (emit_push_insn): Fix dumb typo.
1365 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
1367 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
1368 transformations that we have performed earlier.
1369 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1371 * alpha.md (prologue_stack_probe_loop): Don't do our own label
1372 handling, call gen_label_rtx instead.
1374 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
1376 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
1378 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
1379 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
1380 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
1381 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
1382 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
1384 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
1386 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
1387 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
1388 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
1389 * configure: Regenerate.
1391 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
1393 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
1395 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
1397 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1399 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
1401 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
1402 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
1403 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
1404 (move_by_pieces): Use new macros.
1405 (emit_block_move): Use new macros.
1406 (clear_by_pieces): Use new macros.
1407 (clear_storage): Use new macros.
1408 (emit_push_insn): Use new macros.
1409 (expand_expr): Use new macros.
1410 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
1412 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
1413 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
1414 (MOVE_MAX_PIECES): move 8 bytes on SH4.
1415 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
1416 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
1417 USE_STORE_PRE_DECREMENT): Describe new macros.
1419 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1421 * varasm.c (output_constant_pool): Use floor_log2 instead of
1422 exact_log2 for ASM_OUTPUT_ALIGN.
1424 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
1426 * emit-rtl.c (operand_subword): Handle case when a subword outside
1429 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
1432 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
1434 * cse.c (fold_rtx): Revert 29 Dec change.
1435 (cse_insn): Revert 12 Jan change.
1436 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
1437 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
1438 * rtl.def: Likewise.
1439 * rtl.h (CONSTANT_P): Likewise.
1441 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
1443 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
1444 * alpha.c (input_operand): Likewise.
1445 * c4x.c (const_operand): Likewise.
1447 * explow.c (allocate_dynamic_stack_space): Use register_operand
1448 instead of arith_operand, which does not exist.
1450 * 1750a.h: Fix comment closure.
1451 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
1452 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
1453 * arm.h (TARGET_SWITCHES): Fix typo.
1454 * i370.md (anon mult and div patterns): Fix set mode mismatch.
1455 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
1456 (output_delay_insn): Likewise.
1457 * m88k.md (anon rotate insns): Fix set mode mismatch.
1458 (anon BLKmode moves): Commonize and fix set mode mismatches.
1459 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
1460 * romp.md (movdf): Fix typo.
1462 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
1464 * Makefile.in (install-common): Remove extraneous chmod for gcov
1467 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
1469 * function.c (assign_parms): Save and restore setting of
1472 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
1474 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
1475 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
1477 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
1479 * recog.c (pop_operand): New function.
1480 * recog.h (pop_operand): Declare it.
1481 * genrecog.c (preds): Define it.
1483 * expr.c (do_jump_for_compare): Handle conditional branch expanders
1484 emitting multiple jump instructions.
1485 * jump.c (condjump_label): New function.
1486 * rtl.h (condjump_label): Declare it.
1488 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
1490 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
1491 clobber during or after reload.
1493 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
1495 * genoutput.c (name_for_index): New function.
1496 (scan_operands, validate_insn_alternatives): Use it.
1497 * genrecog.c (insn_name_ptr_size): New variable.
1498 (make_insn_sequence): Fill in insn_name_ptr.
1499 (merge_trees): Use it.
1501 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
1503 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
1504 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
1505 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
1507 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
1509 * loop.c (NUM_STORES): Delete.
1510 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
1511 (prescan_loop): Properly initialize loop_mems_idx.
1512 (note_addr_stored): Simplify using list structure instead of
1514 (invariant_p, check_dbra_loop, load_mems): Similarly.
1516 * flow.c (invalidate_from_autoinc): New function.
1517 (mark_set_1, mark_used_regs): Use it.
1519 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
1521 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
1523 * invoke.texi (-mlong-double-64): New option description.
1525 1999-01-19 Jim Wilson <wilson@cygnus.com>
1527 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
1528 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
1529 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
1531 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
1532 (CPP_SPECS): Add -mlong-double-64 support.
1533 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
1534 (TARGET_SWITCHES): Add -mlong-double-64 support.
1535 (LONG_DOUBLE_TYPE_SIZE): Likewise.
1536 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1537 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
1538 (CPP_SPECS): Add -mlong-double-64 support.
1539 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
1540 (MULTILIB_DIRNAMES): Add ld64.
1541 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
1543 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
1545 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
1546 invisible reference.
1548 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
1550 * rs6000.c (offsettable_addr_operand): Delete.
1551 (offsettable_mem_operand): New function.
1552 * rs6000.h (PREDICATE_CODES): Reflect function change.
1553 (RS6000_SAVE_TOC): Represent address as MEM.
1554 * win-nt.h (RS6000_SAVE_TOC): Same.
1555 * rs6000.md (indirect calls): Change offsettable address parameter
1556 to offsettable memory parameter.
1558 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
1560 * rtl.h (rtx_def): Update documentation.
1561 (MEM_IN_STRUCT_P): Likewise.
1562 (MEM_SCALAR_P): New macro.
1563 (MEM_COPY_ATTRIBUTES): Likewise.
1564 (MEM_SET_IN_STRUCT_P): Likewise.
1565 * rtl.texi (MEM_SCALAR_P): Document.
1566 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
1567 (fixed_scalar_and_varying_struct_p): New function. Use
1568 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
1569 (aliases_everything_p): Likewise.
1570 (true_dependence): Use them.
1571 (write_dependence_p): New function, containing code common to
1572 anti_dependence and output_dependence.
1573 (anti_dependence): Use it.
1574 (output_dependence): Likewise.
1575 * calls.c (save_fixed_argument_area): Don't clear
1577 (expand_call): Use MEM_SET_IN_STRUCT_P.
1578 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
1579 (emit_library_call_value): Likewise.
1580 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
1581 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
1582 (make_extraction): Likewise.
1583 (simplify_shift_const): Likewise.
1584 (gen_lowpart_for_combine): Likewise.
1585 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
1586 * emit-rtl.c (operand_subword): Likewise.
1587 (change_address): Likewise.
1588 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
1589 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
1590 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
1591 (copy_blkmode_from_reg): Likewise.
1592 (store_field): Likewise.
1593 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
1594 heuristically. Use MEM_SET_IN_STRUCT_P.
1595 (get_memory_rtx): Likewise.
1596 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
1597 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
1598 MEM_ALIAS_SET on newly returned MEMs.
1599 (assign_temp): Use MEM_SET_IN_STRUCT_P.
1600 (put_reg_into_stack): Likewise.
1601 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
1602 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
1603 (assign_parms): Likewise.
1604 (expand_function): Likewise.
1605 * integrate.c (expand_inline_function): Likewise.
1606 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
1607 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
1608 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
1609 * print-rtl.c (print_rtx): Print /f for frame_related.
1610 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
1611 * reload1.c (reload): Copy MEM_SCALAR_P as well.
1612 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
1613 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
1614 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
1615 (output_constant_def): Likewise.
1616 * a29k.c (a29k_set_memflags_1): Take scalar_p.
1618 (a29k_set_memflags): Use it.
1619 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
1620 * c4x.c (c4x_scan_for_ld): Likewise.
1621 * h8300.c (fix_bit_operand): Likewise.
1622 * m88k.c (legitimize_address): Likewise.
1623 (block_move_loop): Likewise.
1624 (block_move_no_loop): Likewise.
1625 (block_move_sequence): Likewise.
1626 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
1627 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
1628 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
1629 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
1630 * arm.h (arm_gen_load_multiple): Take scalar_p.
1631 (arm_store_load_multiple): Likewise.
1632 * arm.c (arm_gen_load_multiple): Likewise.
1633 (arm_gen_store_multiple): Likewise.
1634 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
1636 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1638 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
1639 calls within a libcall block to indicate no throws are possible.
1640 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
1641 libcall blocks. Don't add edges to exception handlers if we see
1642 a REG_EH_REGION note with a value of 0.
1643 (make_edges): Override active_eh_region vector if the call has a note
1644 indicating the call does not throw.
1646 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
1648 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
1650 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
1652 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
1654 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
1656 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
1658 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
1660 * invoke.texi (-mcpu=740, -mcpu=750): New options.
1661 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
1664 1999-01-18 Michael Meissner <meissner@cygnus.com>
1666 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
1667 supported with -mcpu=xxx.
1668 (processor_type): Add PROCESSOR_PPC750.
1669 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
1670 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
1671 (rs6000_adjust_priority): Add declaration.
1673 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
1674 processor type as 750, not 603. Allow -mmultiple and -mstring on
1675 little endian 750 systems.
1676 (rs6000_adjust_priority): Stub for now.
1677 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
1679 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
1681 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
1683 (CC1_SPEC): Pass -mstrict-align if little endian, and not
1685 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
1686 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
1688 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
1691 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
1693 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
1695 * config/mips/mips.md (div_trap): Split div_trap_mips16
1697 (div_trap_normal,div_trap_mips16): Correct the length attributes.
1699 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1701 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
1702 Instead of writing to const char *buf directly, use a non-const
1703 variable `wbuf' to allocate and write a string, then set buf = wbuf.
1705 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
1708 * dyn-string.c (dyn_string_append): Likewise.
1710 * dyn-string.h (dyn_string_append): Likewise.
1712 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
1714 * output.h (end_final, output_operand_lossage, asm_fprintf,
1715 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
1718 * profile.c (init_branch_prob): Likewise.
1720 * toplev.c (set_target_switch, vmessage,
1721 v_message_with_file_and_line, v_message_with_decl,
1722 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
1723 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
1724 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
1725 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
1726 open_dump_file, dump_rtl, clean_dump_file,
1727 print_version, print_single_switch, print_switch_values,
1728 dump_base_name, debug_args, lang_independent_options,
1729 user_label_prefix, documented_lang_options, target_switches,
1730 target_options, print_time, pfatal_with_name, fatal_io_error,
1731 fatal_insn, default_print_error_function, print_error_function,
1732 report_error_function, error_with_file_and_line, error_with_decl,
1733 error_for_asm, error, fatal, warning_with_file_and_line,
1734 warning_with_decl, warning_for_asm, warning, pedwarn,
1735 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
1736 really_sorry, botch, output_quoted_string, output_file_directive,
1737 open_dump_file, rest_of_decl_compilation, display_help, main):
1740 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
1741 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
1742 warning_with_file_and_line, error_with_file_and_line, sorry,
1743 really_sorry, default_print_error_function, report_error_function,
1744 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
1745 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
1746 output_file_directive, botch): Likewise.
1748 * tree.h (make_decl_rtl): Likewise.
1750 * varasm.c (strip_reg_name, named_section, decode_reg_name,
1751 make_decl_rtl): Likewise.
1753 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
1755 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
1756 directory logically rather than physically.
1758 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1760 * loop.c (insert_bct): Hide the definition of variables
1761 `increment_direction', `compare_direction', `add_iteration' and
1764 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
1765 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
1766 (mode_independent_operand): Mark label `lose' with
1767 ATTRIBUTE_UNUSED_LABEL.
1769 * regclass.c (n_occurrences): Remove prototype and definition.
1771 * reload.c (find_reloads_address_1): Mark variable `tem' with
1774 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
1776 * sbitmap.c (sbitmap_copy): Likewise.
1778 * scan-decls.c (scan_decls): Hide label `handle_comma'.
1780 * toplev.c (output_lang_identify): Mark prototype with
1783 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
1784 (make_tree_vec): Likewise.
1787 * varasm.c (assemble_static_space): Mark variable `tem' with
1790 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
1792 * Makefile.in (GCOV_INSTALL_NAME): New macro.
1793 (install-common): Use it.
1794 (uninstall): Use it.
1795 (uninstall): Use correct names for protoize and unprotoize.
1797 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
1798 Jeffrey A Law (law@cygnus.com)
1800 * flow.c (last_mem_set): Delete variable. References removed.
1801 (mem_set_list): New variable.
1802 (life_analysis): Initialize and finalize alias analysis.
1803 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
1804 (insn_dead_p): For a store to memory, search the entire mem_set_list
1806 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
1807 changes to their addresses. Add new entries to the mem_set_list for
1808 memory writes writes.
1809 (mark_used_regs): Kill entries on the mem_set_list which may be
1810 referenced by a load operation.
1812 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
1814 * alias.c (base_alias_check): Add missing return for differing
1817 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1819 * mips-tdump.c (print_file_desc): Handle unknown filenames and
1820 missing local symbols.
1822 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
1824 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
1826 * system.h (bcopy): Implement with memmove not memcpy.
1828 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
1830 * Makefile.in (cppulp.o): Add dependencies.
1832 * i386.md (integer conditional moves): Add missing earlyclobbers.
1834 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
1835 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
1836 where a register is live.
1838 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
1840 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
1841 of a FP conditional move is not on the FP register stack.
1843 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1845 * version.c: Bump for snapshot.
1847 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
1849 * reload1.c (reload_cse_regs_1): Do not call
1850 reload_cse_simplify_operands for an insn with asm operands.
1852 * cccp.c (print_help): Fix typos.
1853 * cpplib.c (print_help): Fix typos.
1854 * toplev.c (f_optiosn): Fix typos.
1855 (documented_lang_options): Fix typos.
1857 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
1859 * gcc.c: (do_spec_1): Fix obvious typo.
1861 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1863 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
1864 a non-static function declaration follows a static one.
1866 * invoke.texi (-Wtraditional): Document the extra check now done
1869 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
1871 * pa.md (shadd): Create shadd insns, even if the result of the shift is
1872 needed without the addition.
1874 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1876 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
1878 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
1880 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
1882 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
1884 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
1885 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
1886 non_add_cint_operand, non_logical_cint_operand): Likewise.
1887 (get_issue_rate): Add CPU_PPC604E case.
1888 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
1890 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
1892 * expr.c (queued_subexp_p): Make public.
1893 * expr.h (queued_subexp_p): Declare it.
1894 * recog.c (asm_operand_ok): New function.
1895 (check_asm_operands): Use it. After reload, use constrain_operands
1897 * recog.h (asm_operand_ok): Declare it.
1898 * stmt.c (expand_asm_operands): Use it to try harder to make
1899 asms initially satisfy their constraints.
1901 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
1903 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
1904 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
1906 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1908 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
1909 in delay slot of RPTBD.
1911 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1913 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
1914 divide and modulo sign problem.
1916 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1918 * unroll.c (loop_iterations): Return 0 if the last loop insn
1919 is not a jump insn or if the loop has multiple back edges.
1921 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
1923 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
1924 a register with another DEST_ADDR giv if the address is not valid.
1926 * pa.c (hppa_expand_epilogue): Save and restore the static chain
1927 around the call to mcount.
1929 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
1931 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
1932 generating non-canonical rtl.
1934 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
1936 * config/i960/i960.c (i960_output_move_double_zero,
1937 i960_output_move_quad_zero): New functions for moving zeros.
1938 (i960_output_move_double, i960_output_move_quad): Additional code
1939 for situation when moving unaligned register group.
1941 * config/i960/i960.h (i960_output_move_double_zero,
1942 i960_output_move_quad_zero): The function definitions.
1944 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
1946 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
1948 * config/i960/i960.c (i960_function_prologue): New code (optimal
1949 solution) for saving global registers in local registers.
1950 (form_reg_groups, reg_group_compare, split_reg_group): New
1951 functions used by the code.
1952 (reg_group): New structure definition for the new code.
1954 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
1956 * integrate.c (expand_inline_function): Recognize (mem (addressof))
1957 and substitute. Copy the return value from there into a new pseudo.
1959 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
1961 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
1962 before generating a call to abort for volatile functions.
1963 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
1964 (TARGET_ABORT_NORETURN): Define.
1965 (abort-on-noreturn): New option.
1967 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1969 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
1970 and binarycc operations in 3rd annulled delay slot!
1972 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
1974 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
1975 before generating a call to abort for volatile functions.
1976 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
1977 (TARGET_ABORT_NORETURN): Define.
1978 (abort-on-noreturn): New option.
1980 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1982 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
1983 Remove prototype which we get from libiberty.h.
1985 * collect2.c (xstrdup): Likewise.
1987 * genextract.c (xstrdup): Likewise for `copystr'.
1988 (mybzero): Remove it and use `memset' instead.
1990 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
1991 to use `memcpy' and `memset' instead.
1993 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
1994 changed. Remove prototype.
1995 (mybcopy, mybzero): Remove these and use memcpy/memset.
1997 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
1999 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
2000 generating code for TARGET_64BIT.
2002 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
2004 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
2005 HOST_WIDE_INT word-size.
2006 (rs6000_stack_info): Remove redundant alignment of fpmem.
2008 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
2010 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
2011 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
2012 (input_operand): Adjust CONSTANT_P_RTX handling.
2013 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
2014 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
2015 (movhi, movqi): Remove CONSANT_P_RTX handling.
2016 (movdi): Adjust CONSTANT_P_RTX handling.
2018 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
2020 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
2022 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
2024 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
2025 ensure all prototypes necessary for building libio will be available.
2026 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
2027 definitions here as they are not host specific.
2028 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
2030 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
2032 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
2034 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
2036 * version.c: Bump for snapshot.
2038 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
2040 * rtl.c (rtx_alloc): Use memset instead of inline loop.
2042 * recog.h (recog_op_alt): Declare extern.
2044 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
2046 * function.c (purge_addressof_1): If the note accesses a mem+addressof
2047 in a wider mode than any replacement, adjust the cached replacement.
2048 Cache trivial substitutions as well.
2050 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
2052 * Makefile.in (OBJECTS): Add sbitmap.o.
2053 (BASIC_BLOCK_H): Add sbitmap.h.
2054 * basic-block.h: Move simple bitmap code to sbitmap.h.
2055 * flow.c: Move simple bitmap code to sbitmap.c
2056 * sbitmap.h, sbitmap.c: New files.
2058 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
2060 * alpha.h (TARGET_SWITCHES): Document switches.
2061 (TARGET_OPTIONS): Likewise.
2063 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
2065 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
2067 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
2069 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
2071 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
2072 (basic_block_end): Rename to x_basic_block_end.
2073 (BLOCK_HEAD, BLOCK_END): Update.
2075 * caller-save.c: Change basic_block_head/end references to
2077 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
2078 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
2079 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
2081 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2083 * gcc.c (xstrerror): Renamed from my_strerror. All callers
2084 changed. Remove prototype since we get that from libiberty.h.
2086 * protoize.c (xstrerror): Likewise.
2088 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2090 * gcc.c (read_specs): Ensure format specifiers match their arguments.
2092 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
2094 * tree.c (copy_node): Oops. That would be copy not zero
2095 in that last change.
2097 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2099 * config/c4x/c4x.c: Include system.h.
2100 (c4x_caller_save_map): Disable caller save for RC.
2101 (c4x_optimization_options): Disable scheduling before reload.
2102 (valid_parallel_load_store) : Define return type as int.
2103 Remove unused variable regs.
2104 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
2106 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
2108 (*db, decrement_and_branch_until_zero): Fix up constraints
2109 to keep reload happy.
2111 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
2113 * tree.c (make_node): Call bzero instead of inline clear.
2114 (copy_node, make_tree_vec, build1): Likewise.
2115 (get_identifier): Call strlen instead of inline count.
2116 (maybe_get_identifier): Likewise.
2118 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2120 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
2121 operations in 3rd annulled delay slot.
2122 (*lshrqi3_const_set): Disallow c constraint for operand0.
2123 (modhi3+1, modhi3+2): Set attribute type to multi.
2124 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
2127 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2129 * gansidecl.h: Allow attribute unused on labels only when we are
2130 version 2.93 or higher. Not all versions of 2.92 have this feature.
2132 * version.c: Bump minor number to 93.
2134 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2136 * config/m68k/m68k.h: Declare output_function_epilogue.
2137 * recog.h: Declare next_insn_tests_no_inequality.
2139 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
2141 * stmt.c (optimize_tail_recursion): New function, extracted from ...
2142 (expand_return): Use optimize_tail_recursion.
2143 * tree.h (optimize_tail_recursion): Declare.
2145 * toplev.c (compile_file): Move call to output_func_start_profiler
2146 to after the loop to emit deferred functions.
2148 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2150 * system.h (abort): Supply more detailed information on how to
2151 report an Internal Compiler Error.
2153 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
2155 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
2156 allocate memory that will live beyond this function.
2157 (expand_call): Free it here.
2159 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
2161 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
2162 integer data not destined for fp regs.
2163 (LEGITIMIZE_RELOAD_ADDRESS): New.
2165 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
2166 Richard Henderson <rth@cygnus.com>
2168 Support for Hypersparc and Sparclite86x:
2169 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
2170 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
2171 (ASM_CPU32_DEFAULT_SPEC): Likewise.
2172 (TARGET_CPU_DEFAULT): Likewise.
2173 (enum processor_type): Likewise.
2174 (CPP_ENDIAN_SPEC): Handle little endian data.
2175 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
2176 (ADJUST_COST): Call sparc_adjust_cost.
2177 * sparc.c (sparc_override_options): Fix up for the new targets.
2178 (supersparc_adjust_cost): Make static.
2179 (hypersparc_adjust_cost): New.
2180 (ultrasparc_adjust_cost): Make static.
2181 (sparc_adjust_cost): New.
2182 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
2183 (function_unit): Add hypersparc scheduling rules.
2185 * configure.in (with_cpu handler): Recognize hypersparc.
2187 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2189 * config/c4x/c4x.c: Added space after negation operator.
2190 * config/c4x/c4x.h: Likewise.
2191 * config/c4x/c4x.md: Likewise.
2193 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2195 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
2197 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2199 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
2200 when a test can't be performed due to limited width of
2201 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
2202 Fix UDIV case for cases where the first operand has the highest bit
2205 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
2207 * pa.h (reg_class): Add FPUPPER_REGS.
2208 (REG_CLASS_NAMES): Similarly.
2209 (REG_CLASS_CONTENTS): Similarly
2210 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
2211 (FP_REG_CLASS_P): Likewise.
2212 (REG_CLASS_FROM_LETTER): Similarly.
2213 (CLASS_MAX_NREGS): Similarly.
2215 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
2217 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
2218 for a typedef of bool. Make sure to have a copy of the file is
2219 in place before we look to fix it. Fix typo in variable name to
2222 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
2224 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
2225 value_mode for the return mode.
2227 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
2229 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
2230 debugging as default.
2232 * config/tm-dwarf2.h: New file.
2234 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
2236 * h8300.h (ASM_OUTPUT_LABELREF): Define.
2238 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
2239 * local-alloc.c (update_equiv_regs): Corresponding changes.
2240 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
2242 * calls.c (special_function_p): Push alloca test inside the large
2243 conditional which excludes functions not at file scope or not
2246 * calls.c (special_function_p): New function broken out of
2248 (precompute_register_parameters): Likewise.
2249 (store_one_arg): Likewise.
2250 (store_unaligned_argumetns_into_pseudos): Likewise.
2251 (save_fixed_argument_area): Likewise.
2252 (restore_fixed_argument_area): Likewise.
2253 (expand_call): Corresponding changes.
2255 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2257 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
2259 (const_sint32_operand): Likewise.
2261 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2263 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
2264 is a macro when deciding if we can use `jmp_buf' in prototypes.
2266 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2268 * config/c4x/c4x.md (addqi3): If the destination operand is
2269 a hard register other than an extended precision register,
2270 emit addqi3_noclobber.
2271 (*addqi3_noclobber_reload): New pattern added so that reload
2272 will recognise a store of a pseudo, equivalent to the sum
2273 of the frame pointer and a constant, as an add insn.
2275 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
2277 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
2278 * configure: Rebuilt.
2279 * i386/xm-go32.h: Define LIBSTDCXX.
2281 * i386/go32.h (MD_EXEC_PREFIX): Define.
2282 (FILE_NAME_ABSOLUTE_P): Define.
2283 (LINK_COMMAND_SPEC): Define.
2285 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
2287 * expr.c (store_expr): If the lhs is a memory location pointed
2288 to be a postincremented (or postdecremented) pointer, always
2289 force the rhs to be evaluated into a pseudo.
2291 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
2293 * real.c (mtherr): Print more reasonable warning messages.
2295 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2297 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
2299 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
2300 (new_include_prefix): Constify char* parameters.
2302 * cppfiles.c (read_name_map): Likewise.
2303 (append_include_chain): Likewise. Also, use a writable char* copy
2304 of parameter `dir' which we then modify, rather than using the
2305 parameter itself to store the new writable string.
2306 (remap_filename): Constify some variables. Also, use a writable
2307 char* to store an allocated string which we will be modifying.
2309 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
2310 (cpp_start_read): Constify variable `str'.
2312 * cpplib.h (append_include_chain): Constify a char* parameter.
2314 * gcc.c Include prefix.h, don't prototype prefix.c functions.
2315 (add_prefix, save_string): Constify char* parameters.
2316 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
2318 * prefix.c: Include prefix.h.
2319 (get_key_value, translate_name, save_string, update_path,
2320 set_std_prefix): Constify various char* parameters and variables.
2321 (save_string): Use xmalloc, not malloc.
2322 (translate_name): Use a writable temporary variable to create and
2323 modify a string before setting it to a const char*.
2325 * prefix.h: New file to prototype functions exported from prefix.c.
2327 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
2329 * cpplib.c (skip_if_group): Split out the logic that handles
2330 directive recognition to its own function. Don't use
2331 parse markers; use a bare pointer into the buffer. Use
2332 copy/skip_rest_of_line instead of doing it by hand. Remove
2333 `return on any directive' mode which was never used, and take
2335 (consider_directive_while_skipping): New function, subroutine
2336 of skip_if_group. Logic streamlined a bit.
2337 (conditional_skip, do_elif, do_else): Call skip_if_group with
2340 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
2342 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
2345 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
2347 * extend.texi (Bound member functions): Document.
2349 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2351 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
2352 lang_to_string, type_to_string): Make return type const char*.
2353 (print_symbol): Apply `const' keyword to a char*.
2354 (print_file_desc): Cast structure member `crfd' to ulong when
2355 comparing against one.
2357 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
2358 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
2359 (progname, input_name): Apply `const' keyword to a char*.
2360 Don't redundantly include sys/stat.h.
2361 (alloc_info): Apply `const' keyword to a char*.
2362 (st_to_string, sc_to_string): Likewise.
2363 (hash_string): Cast variable `hash_string' to a symint_t when
2364 comparing against one.
2365 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
2366 Likewise cast it to long when comparing against one.
2367 (add_local_symbol): Apply `const' keyword to a char*.
2368 (add_ext_symbol): Likewise.
2369 (add_unknown_tag): Likewise.
2370 (add_procedure): Cast a printf-style field width to an int.
2371 (add_file): Cast PAGE_USIZE to long when comparing against one
2372 (parse_begin): Cast a printf-style field width to an int.
2373 (parse_bend): Likewise.
2374 (parse_def): Likewise.
2375 (parse_end): Likewise.
2376 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
2377 (parse_stabs_common): Fix format specifier.
2378 (parse_input): Change type of variable `i' to Size_t.
2379 (write_object): Fix arguments to match format specifiers.
2380 Cast variable `num_write' to long when comparing against one.
2381 (read_seek): Cast variable `sys_read' to symint_t when comparing
2382 against one. Fix arguments to match format specifiers. Cast
2383 variable `size' to long when comparing against one.
2384 (copy_object): Cast result of `sizeof' to int when comparing
2385 against one. Fix arguments to match format specifiers. Cast
2386 variable `ifd' to long when comparing against a signed value.
2389 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2391 * c-common.c (decl_attributes): Allow applying attribute `unused'
2394 * c-parse.in (label): Parse attributes after a label, and call
2395 `decl_attributes' to handle them.
2397 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
2399 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
2400 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
2402 * invoke.texi: Note that labels can be marked `unused'.
2404 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
2406 * version.c: Bump for snapshot.
2408 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
2410 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
2411 RTL for a compare/jump sequence.
2413 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2415 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
2416 for a target with HAVE_cc0 defined.
2417 (emit_cmp_and_jump_insns): New function.
2418 * expr.h (emit_cmp_and_jump_insns): Prototype it.
2419 * loop.c (check_dbra_loop): Use it to replace calls
2420 to emit_cmp_insn and emit_jump_insn and to canonicalise
2421 the comparison if necessary.
2422 * unroll.c (unroll_loop): Likewise.
2424 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2426 * fixincludes (sys/utsname.h): Provide forward declaration of
2427 struct utsname on Ultrix V4.[35].
2429 * mips.md (div_trap): Use local labels instead of dot-relative
2432 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
2434 * pa.md (branch, negated branch): Handle (const_int 0) as first
2436 * pa.c (output_cbranch): Likewise.
2438 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
2440 * rs6000.c (rs6000_stack_info): Undo spurious part of last
2443 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
2445 * extend.texi (__builtin_constant_p): Add missing @smallexample.
2447 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
2449 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
2451 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
2453 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
2454 (adddi_dishl32): Similarly.
2456 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
2457 for each insn in the skipped block.
2459 * reload1.c (reload_as_needed): Verify that the insn satisfies its
2460 constraints after replacing a register address with an autoincrement
2461 address for reload inheritance purposes.
2463 * i386.md (doubleword shifts): Avoid namespace pollution.
2465 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
2467 * configure.in (FreeBSD ELF): Needs special crt files.
2469 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
2471 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
2473 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2475 * loop.c (check_dbra_loop): While reversing the loop, if the
2476 comparison value has a VOID mode use the mode of the other operand
2477 to compute the mask.
2479 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
2481 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
2482 avoid warnings in compiling explow.c.
2484 (patch from Ken Raeburn, raeburn@cygnus.com)
2485 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
2486 fpmem_offset. Compute total size after that, and then
2487 rs6000_fpmem_offset using both values.
2489 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2491 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
2492 the future; indeed that already happens in some cases.
2494 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
2496 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
2497 (arith_operand): Remove constant_p_rtx handling.
2498 (const64_operand, const64_high_operand): Likewise.
2499 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
2500 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
2501 (small_int_or_double, uns_small_int, zero_operand): Likewise.
2502 * sparc.h (PREDICATE_CODES): Likewise.
2504 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
2506 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
2508 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
2509 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
2510 consider constant CONSTRUCTOR constant and to defer some cases
2512 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
2513 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
2515 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
2517 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
2518 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
2520 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
2521 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
2522 (sext_add_operand, and_operand, or_operand): Likewise.
2523 (reg_or_cint_operand, some_operand, input_operand): Likewise.
2524 * alpha.h (PREDICATE_CODES): Likewise.
2526 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
2528 * version.c: Bump for snapshot.
2530 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
2532 * gengenrtl.c (gencode): Always use bzero to clear memory instead
2533 of dangerous casts and stores.
2535 * Makefile.in (compare, gnucompare): Add missing else true clauses.
2537 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
2539 * alpha.md (builtin_longjmp): Add missing "DONE".
2541 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
2543 * gcc.c (execute): Enable -pipe with win32.
2545 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
2547 * config/arm/t-arm-elf: Add multiplib option for leading
2550 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
2551 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
2553 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
2554 than variable 'reload_address_base_reg_class'. [Note this
2555 change is unrelated to the others in this patch].
2557 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
2560 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2562 * alias.c (record_alias_subset): Remove ignored `&'.
2563 (init_alias_once): Likewise.
2565 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
2567 * config/mips/mips.c (mips_asm_file_end): Cast the result of
2568 fwrite to `int' when comparing against one.
2570 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
2571 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
2573 * cse.c (rehash_using_reg): Change type of variable `i' to
2576 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
2577 assigning it to one.
2579 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
2581 * final.c (final_scan_insn): Likewise for variable `i'.
2582 (output_asm_insn): Cast a char to unsigned char when used as an
2585 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
2586 assigning it to one.
2588 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
2590 * recog.c (preprocess_constraints): Cast a char to unsigned char
2591 when used as an array index.
2593 * regmove.c (find_matches): Likewise.
2595 * reload1.c (calculate_needs): Add default case in switch.
2596 (eliminate_regs_in_insn): Initialize variable `offset'.
2597 (set_offsets_for_label): Change type of variable `i' to unsigned.
2598 (reload_as_needed): Wrap variable `i' in macro check on
2599 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
2601 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
2602 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
2603 when comparing against one.
2605 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
2606 unsigned when comparing against one. Likewise for
2607 GET_MODE_ALIGNMENT().
2608 (layout_record): Cast record_align to int when comparing against a
2610 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
2613 * tree.c (get_identifier): Cast variable `len' to unsigned when
2614 comparing against one.
2615 (maybe_get_identifier): Likewise
2617 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
2619 * toplev.c (rest_of_compilation): Do not set reload_completed.
2620 * reload1.c (reload): Set reload_completed before calling
2621 cleanup_subreg_operands.
2623 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
2625 * reload1.c (emit_reload_insns): Check `set' not null before use.
2627 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
2629 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
2632 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2634 * halfpic.c (half_pic_encode): Delete redundant code.
2636 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
2638 * toplev.c (main): Delete handling of -dM as a preprocessor
2641 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
2643 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
2644 -dI, which are handled by the preprocessor.
2646 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
2648 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
2649 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
2651 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
2653 * version.c: Bump for snapshot.
2655 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
2657 * version.c: Bump for snapshot.
2659 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
2661 * version.c: Bump for snapshot.
2663 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2665 * genattr.c (fatal): Qualify a char* with the `const' keyword.
2667 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
2668 write_unit_name, write_eligible_delay, expand_units,
2669 make_length_attrs, write_attr_case, find_attr,
2670 make_internal_attr): Likewise.
2671 * gencheck.c (tree_codes): Likewise.
2672 * gencodes.c (fatal): Likewise.
2673 * genconfig.c (fatal): Likewise.
2674 * genemit.c (fatal): Likewise.
2675 * genextract.c (fatal, walk_rtx, copystr): Likewise.
2676 * genflags.c (fatal): Likewise.
2677 * genopinit.c (fatal, optabs, gen_insn): Likewise.
2678 * genoutput.c (fatal, error, predicates): Likewise.
2679 * genpeep.c (fatal): Likewise.
2680 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
2681 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
2683 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2685 * configure.in (with-fast-fixincludes): Fix whitespace.
2686 * configure: Rebuilt.
2688 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
2689 asm() etc. function declarations in __DECC.
2691 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
2693 * expr.c (emit_move_insn_1): Only emit a clobber if the target
2694 is a pseudo register.
2696 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
2698 * gcse.c: Include expr.h in order to get the prototype for
2699 get_condition() which is used in delete_null_pointer_checks().
2701 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2703 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
2705 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
2707 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
2708 (ALL_CFLAGS): Delete SCHED_CFLAGS.
2710 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
2712 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
2715 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
2717 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
2718 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
2719 optimizations from the combiner.
2721 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2723 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
2725 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
2727 * toplev.c (main): Disable optimize_size if a specific
2728 optimization level is requested. Always set optimization
2729 level to 2 if -Os is specified.
2731 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
2733 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
2735 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
2736 initialize it using fname.
2738 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
2740 * cpplib.c (do_include): Treat #include_next in the
2741 primary source file as #include plus warning. Treat
2742 #include_next in a file included by absolute path as an
2743 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
2745 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2747 * cccp.c: Don't define MIN/MAX anymore.
2748 * cpplib.c: Likewise.
2749 * machmode.h: Likewise.
2750 * system.h: Provide definitions for MIN/MAX.
2752 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2754 * fix-header.c: Don't define xstrdup here.
2756 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2758 * loop.c (consec_sets_giv): New argument last_consec_insn.
2759 (strength_reduce): Provide / use it.
2761 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2763 * loop.h (loop_info): New field 'vtop'.
2764 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
2765 scanning loop for vtop.
2766 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
2767 (loop_iterations): Use them to determine if loop has a constant
2768 number of iterations. Set loop_info->vtop. Don't subtract
2769 common reg term from initial_value and final_value if have a
2772 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
2774 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
2776 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
2778 * mn10200.md (abssf2, negsf2): New expanders.
2780 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
2782 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
2784 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
2785 replaced by a CONCAT whoes components do not have the same
2786 mode as the original SUBREG, use a new SUBREG to restore the
2789 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
2790 multiword complex values.
2792 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2794 * cppalloc.c: Add xstrdup here.
2795 * cpplib.h: Remove savestring prototype.
2796 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
2798 * cppfiles.c: s/savestring/xstrdup/ throughout.
2800 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2802 * cpplib.c: Make all directive handlers read their own
2804 (struct directive): Remove last two arguments from FUNC
2805 member prototype. Remove `command_reads_line' member
2807 (directive_table): Remove initializations of
2808 command_reads_line flag. Pretty-print.
2809 (eval_if_expression, do_define, do_line, do_include,
2810 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
2811 do_else, do_elif, do_sccs, do_assert, do_unassert,
2812 do_warning): Take only two args.
2814 (cpp_define): Call do_define with two args and the text to
2815 define stuffed into a buffer.
2816 (make_assertion): Call do_assert with two args.
2817 (handle_directive): Call do_line with two args. Call
2818 kt->func with two args. Remove command_reads_line
2820 (do_define, do_undef, do_error, do_warning, do_pragma,
2821 do_sccs): Read the rest of the line here.
2822 (do_ident): Gobble rest of line, as cccp does.
2823 (cpp_undef): New function.
2824 (cpp_start_read): Call cpp_undef instead of do_undef.
2826 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2828 * cpphash.h (union hash_value): Remove `keydef' member, add a
2829 `struct hashnode *aschain' member for #assert.
2831 * cpplib.c (struct tokenlist_list, struct
2832 assertion_hashnode): Delete structure definitions.
2833 (assertion_install, assertion_lookup, delete_assertion,
2834 check_assertion, compare_token_lists, reverse_token_list,
2835 read_token_list, free_token_list): Delete functions.
2836 (parse_assertion): New function.
2837 (cpp_cleanup): Don't destroy the assertion_hashtable.
2839 (do_assert): Gut and rewrite. #assert foo (bar) places
2840 entries for `#foo' and `#foo(bar)' in the macro hash table,
2841 type T_ASSERT. The value union's `aschain' member is used
2842 to chain all answers for a given predicate together.
2843 (do_unassert): Also rewritten. Take an un-asserted
2844 answer off the chain from its predicate and call
2845 delete_macro on the hashnode, or walk a predicate chain
2846 calling delete_macro on all the entries.
2847 (cpp_read_check_assertion): Simply call parse_assertion to
2848 get the canonical assertion name, and look that up in the
2851 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
2854 * cpphash.c (install): Use bcopy instead of an explicit loop
2855 to copy the macro name.
2857 * cppexp.c (cpp_lex): Convert the result of
2858 cpp_read_check_assertion to a `struct operation' directly;
2859 don't go through parse_number.
2861 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2863 * loop.h (struct induction): Delete times_used member.
2864 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
2865 (n_times_used): Rename to n_times_set. Changed all users.
2866 (scan_loop): Free reg_single_usage before strength reduction.
2867 (record_giv, combine_givs): Remove handling of times_used member.
2868 (combine_givs_used_once): Rename to:
2869 (combine_givs_used_by_other) . Changed all callers.
2871 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
2873 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
2874 instead of TREE_CODE_CLASS == 't'.
2875 (gen_type_die): Likewise.
2876 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
2878 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
2880 * real.c (endian): Disable last change unless
2881 HOST_BITS_PER_WIDE_INT is greater than 32.
2883 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2885 * output.h (force_data_section): New prototype.
2886 * varasm.c (force_data_section): New function to force the
2887 data section, regardless of what in_section thinks.
2888 * dwarf2out.c (output_call_frame_info): Call force_data_section
2889 since varasm may not realize we've changes sections.
2891 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
2893 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
2894 after completeing reload.
2896 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
2897 deleted after reload.
2899 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
2901 * rtl.h (multiple_sets): Fix prototype.
2902 * rtlanal.c (multiple_sets): Fix return type.
2904 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
2906 * version.c: Bump for snapshot.
2908 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
2910 * version.c: Bump for snapshot.
2912 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
2914 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
2916 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2918 * rtl.h (recompute_reg_usage): Add second argument.
2919 * flow.c (recompute_reg_usage): Likewise.
2920 * toplev.c (rest_of_compilation): Supply second argument to
2921 recompute_reg_usage.
2923 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
2926 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
2928 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
2929 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
2930 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
2933 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
2935 * rtlanal.c (multiple_sets): New function.
2936 * rtl.h (multiple_sets): Declare it.
2937 * local-alloc.c (wipe_dead_reg): Use it.
2938 * global.c (global_conflicts): Likewise.
2940 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
2942 * global.c (record_conflicts): Don't use an array of shorts to
2943 store an array of ints.
2944 (global_conflicts): Likewise.
2946 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
2948 * alpha.c (alpha_expand_block_move): mode_for_size expects
2949 bits, not bytes. Infer extra alignment from addressof.
2951 1998-12-11 Michael Meissner <meissner@cygnus.com>
2953 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
2954 .sbss section, not .sdata.
2956 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
2958 * cccp.c: Do not #include <sys/stat.h> here; this is already done
2960 * collect2.c: Likewise.
2961 * cpplib.h: Likewise.
2964 * getpwd.c: Likewise.
2965 * protoize.c: Likewise.
2966 * toplev.c: Likewise.
2968 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
2969 and don't try to define it here.
2970 * Makefile.in (cppmain.o): Depend on machmode.h.
2971 (cpplib.o): Likewise.
2972 (cpperror.o): Likewise.
2973 (cppexp.o): Likewise.
2974 (cppfiles.o): Likewise.
2975 (cpphash.o): Likewise.
2976 (cppalloc.o): Likewise.
2977 (fix-header.o): Likewise.
2978 (scan-decls.o): Likewise.
2980 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
2982 * sh.c (print_operand): lookup interrupt_handler attribute instead
2983 of relying on static variable.
2984 * (calc_live_regs): Likewise.
2985 * (sh_pragma_insert_attributes): Create interrupt_handler
2986 attribute if a pragma was specified
2987 * (sh_valid_machine_decl_attribute): Don't set static flag.
2988 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
2990 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2992 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
2993 to determine if a register is live at a jump destination.
2994 Everything is dead at a BARRIER.
2996 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
2998 * cse.c (simplify_unary_operation): Sign-extend constants when
2999 they have the most significant bit set for the target.
3000 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
3002 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
3003 HOST_WIDE_INT temporary before negating it.
3004 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
3006 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
3008 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
3011 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3013 * collect2.h: New header file for prototypes.
3015 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
3017 * collect2.c: Include collect2.h.
3018 * tlink.c: Likewise.
3020 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
3022 * flow.c: Update some comments.
3024 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
3026 * objc/objc-act.c (cpp_initialized): Removed.
3027 (lang_init_options): Initialize cpplib.
3028 (lang_decode_option): Move initialization of cpplib to
3030 * c-lang.c: (parse_options,parse_in): Added.
3031 (lang_init_options): Initialized cpplib here.
3032 * c-decl.c (parse_options,cpp_initialized): Removed.
3033 (c_decode_option): Move initialization of cpplib to
3036 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3038 * reload1.c (reload_combine, reload_combine_note_store):
3039 Make STORE_RUID always valid.
3040 (reload_combine): Check if BASE is clobbered too early.
3042 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
3044 * reload.c (find_reloads): Display the insn that cannot be
3047 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
3049 * cccp.c (create_definition): Fix end of bufer logic.
3051 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3053 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
3054 pointer parameters changed to use the PARAMS() macro.
3056 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3058 * except.h (struct handler_info): Add handler_number field.
3059 * except.c (gen_exception_label): EH labels no longer need to be
3060 on the permanent obstack.
3061 (get_new_handler): Set the label number field.
3062 (output_exception_table_entry): Regenerate handler label reference
3063 from the label number field.
3064 (init_eh): Remove a blank line.
3065 * integrate.c (get_label_from_map): Labels no longer need to be
3066 on the permanent obstack.
3068 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
3070 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
3071 only when OUTER_CODE is SET.
3073 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3075 * loop.c (strength_reduce): If scan_start points to the loop exit
3076 test, be wary of subversive use of gotos inside expression statements.
3077 Don't set maybe_multiple for a backward jump that does not
3078 include the label under consideration into its range.
3079 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
3081 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3083 * explow.c (plus_constant_wide): Don't immediately return with
3084 result of recursive call.
3086 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3088 * eh-common.h (struct eh_context): Add table_index for rethrows.
3090 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
3091 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
3092 processed when inlined or unrolled (ie duplicated in some way).
3094 * rtl.c (reg_note_name): Add strings for new reg_note enums.
3096 * expr.h (rethrow_libfunc): New library decl.
3098 * optabs.c (rethrow_libfunc): Initialize.
3100 * except.h (struct eh_entry): Add new field 'rethrow_label'.
3101 (new_eh_region_entry): No longer exported from except.c.
3102 (duplicate_handlers): Renamed to duplicate_eh_handlers and
3103 different prototype.
3104 (rethrow_symbol_map, rethrow_used): New exported functions.
3105 (eh_region_from_symbol): New exported function.
3107 * except.c (create_rethrow_ref): New function to create a single
3108 SYMBOL_REF for a rethrow region.
3109 (push_eh_entry): Initialize a rethrow ref.
3110 (func_eh_entry): Add a rethrow_label field.
3111 (new_eh_region_entry): Make static, and initialize the rethrow entry.
3112 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
3113 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
3114 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
3115 a region into an appropriate new symbol.
3116 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
3117 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
3118 (end_catch_handler): Emit a barrier for new-exceptions since
3119 control can never drop through the end of a catch block.
3120 (expand_end_all_catch): new-exceptions never fall through a catch
3122 (expand_rethrow): use __rethrow routine for new exceptions.
3123 (output_exception_table_entry): Generate rethrow labels, if needed.
3124 (output_exception_table): Generate start and end rethrow labels.
3125 (init_eh): Create rethrow symbols for beginning and end of table.
3126 (scan_region): Don't eliminate EH regions which are the targets of
3129 * flow.c (make_edges): Add different edges for rethrow calls,
3130 identified by having the REG_EH_RETHROW reg label.
3131 (delete_unreachable_blocks): Don't delete regions markers which are
3132 the target of a rethrow.
3134 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
3135 allow save_for_inline_copying to call duplicate_eh_handlers.
3136 (save_for_inline_copying): Call duplicate_eh_handlers instead of
3137 exposing internal details of exception regions.
3138 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
3139 (expand_inline_function_eh_labelmap): New callback routine to
3140 allow expand_inline_function to call duplicate_eh_handlers.
3141 (expand_inline_function): Call duplicate_eh_handlers instead of
3142 exposing internal details of exception regions.
3143 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
3146 * libgcc2.c (find_exception_handler): Generalize to enable it to
3147 pick up processing where it left off last time for a rethrow.
3148 (__unwinding_cleanup): New function. debug hook which is called before
3149 unwinding when __throw finds there is nothing but cleanups left.
3150 (throw_helper): Common parts of __throw extracted out for reuse.
3151 (__throw): Common parts moved to throw_helper.
3152 (__rethrow): New function for performing rethrows.
3154 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
3156 * reload1.c (current_function_decl): Tweak declaration.
3158 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
3160 * c-decl.c (flag_isoc9x): Default off.
3161 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
3162 * cccp.c (print_help, main): Likewise.
3163 * gcc.c (default_compilers): Update for -std=gnu*.
3165 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
3167 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
3168 * demangle.h: Deleted.
3170 * reload1.c (current_function_decl): Declare.
3172 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3174 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
3176 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3178 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
3180 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
3182 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
3184 * configure: Rebuilt.
3185 * system.h: If the *_unlocked functions are available use them
3186 instead of the locked counterparts by defining macros.
3187 * config.in: Regenerated.
3189 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
3191 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
3192 wrong and should only be used for dump related things, not
3193 debugging information, instead main_input_filename should be used.
3194 Also, reuse output_file_directive if possible.
3195 * i386/aix386ng.h (ASM_FILE_START): Likewise.
3196 * i386/isc.h (ASM_FILE_START): Likewise.
3197 * i386/win-nt.h (ASM_FILE_START): Likewise.
3198 * i386/sun386.h (ASM_FILE_START): Likewise.
3200 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
3202 * configure.in (mips*-*-linux*): Handle big and little endian
3204 * configure: Rebuilt.
3206 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
3208 * emit-rtl.c: Fix typo.
3210 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
3212 * reload1.c (eliminate_regs): Don't do anything, if we're not
3215 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
3217 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
3219 * mips/mips.c (mips_select_section): Add comment.
3221 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
3223 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
3224 characters in file names in #line to be consistent with #include
3225 handling. We support escape prcessing in the # 1 "..." version of
3226 the command. See also support in cp/lex.c.
3227 (handle_directive): Likewise.
3228 (do_line): Likewise.
3230 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
3232 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
3233 so it'll work on non-ASCII platforms. Always consider $ an
3234 identifier character. Take no arguments.
3235 (cpp_reader_init): Call initialize_char_syntax with no
3237 (cpp_start_read): Don't call initialize_char_syntax again.
3238 Clear is_idchar['$'] and is_idstart['$'] if not
3239 opts->dollars_in_ident.
3241 * cpplib.h (struct cpp_reader): Replace void *data element by
3242 cpp_options *opts. Rearrange elements to make gdb printout
3243 less annoying (put buffer stack at end).
3244 (CPP_OPTIONS): Get rid of now-unnecessary cast.
3246 * cppmain.c: s/data/opts/ when initializing cpp_reader
3248 * c-decl.c: Likewise.
3249 * objc/objc-act.c: Likewise.
3250 * fix-header.c: Likewise.
3252 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
3254 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
3255 with a struct file_name_list pointer.
3256 (struct cpp_reader): Add pointer to chain of `actual
3257 directory' include searchpath entries.
3258 (struct file_name_list): Add *alloc pointer for the sake of
3259 the actual-directory chain.
3261 Move definition of HOST_WIDE_INT here.
3262 (cpp_parse_escape): Change prototype to match changes in
3265 * cppfiles.c (actual_directory): New function.
3266 (finclude): Use it to initialize the buffer's actual_dir
3268 (find_include_file): We don't need to fix up max_include_len
3271 * cpplib.c (do_include): Don't allocate a file_name_list on
3272 the fly for current directory "" includes, use the one that's
3273 been preallocated in pfile->buffer->actual_dir. Hoist out
3274 duplicate code from the search_start selection logic.
3275 (cpp_reader_init): Initialize pfile->actual_dirs.
3277 Remove definition of HOST_WIDE_INT. Change calls
3278 to cpp_parse_escape to match changes in cppexp.c (note
3279 hardcoded MASK, which is safe since this is the source
3282 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
3283 to handle wide character constants in #if directives. The
3284 function now returns a HOST_WIDE_INT, and takes a third
3285 argument which is a binary mask for all legal values (0x00ff
3286 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
3287 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
3288 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
3290 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
3292 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
3294 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3296 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
3297 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
3298 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
3300 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
3302 * final.c (output_asm_name): Use tabs to seperate comments from
3305 Include instruction lengths (if defined) in output.
3307 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3309 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
3310 in the loop_info structure.
3312 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
3314 * configure.in: (arm*-*-ecos-elf): New target.
3315 * configure: Regenerated.
3316 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
3317 * config/arm/ecos-elf.h: New file.
3318 * config/arm/unknown-elf.h (TARGET_VERSION): Check
3321 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3323 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
3325 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
3327 * version.c: Bump for snapshot.
3329 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3331 * loop.c (check_dbra_loop): New argument loop_info. Update fields
3334 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
3336 * version.c: Bump for snapshot.
3338 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3340 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
3341 compressed reports are ok and preferred over URLs
3343 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3345 * invoke.texi (Warning Options): Soften the tone of -pedantic
3347 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
3349 * print-rtl.c (print_rtx): Add prototype.
3351 * unroll.c (iteration_info): Make it static.
3353 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
3355 * alias.c (memrefs_conflict_p): A second ANDed address
3356 disables the aligned address optimization.
3358 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
3360 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
3363 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3365 * i960.h (BOOL_TYPE_SIZE): Define.
3367 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3369 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
3370 from old valid_parallel_operands_4.
3371 (valid_parallel_operands_4): Check that operands for 4 operand
3372 parallel insns are valid, excluding load/store insns.
3373 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
3374 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
3375 valid_parallel_load_store instead of valid_parallel_operands_4.
3376 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
3377 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
3378 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
3379 *notqi_movqi_clobber): Use valid_parallel_operands_4.
3380 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
3381 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
3382 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
3384 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3386 * config/c4x/c4x.c (iteration_info): Delete extern.
3388 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3390 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
3392 * final.c (cleanup_subreg_operands): Delete some unused code.
3394 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
3395 (struct insn_alternative): New structure definition.
3396 (recog_op_alt): Declare variable.
3397 (preprocess_constraints): Declare function.
3398 * recog.c (recog_op_alt): New variable.
3399 (extract_insn): Verify number of alternatives is in range.
3400 (preprocess_constraints): New function.
3401 * reg-stack.c: Include recog.h.
3402 (constrain_asm_operands): Delete.
3403 (get_asm_operand_lengths): Delete.
3404 (get_asm_operand_n_inputs): New function.
3405 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
3406 N_OUTPUTS args. All callers changed.
3407 Compute number of inputs and outputs here by calling
3408 get_asm_operand_n_inputs.
3409 Instead of constrain_asm_operands, call extract_insn,
3410 constrain_operands and preprocess_constaints. Use information
3411 computed by these functions throughout.
3412 (record_reg_life): Delete code that is unused due to changes in
3413 record_asm_reg_life.
3414 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
3415 N_INPUTS and N_OUTPUTS args. All callers changed.
3416 Similar changes as in record_asm_reg_life.
3417 (subst_stack_regs): Move n_operands declaration into the if statement
3419 Delete code that is unused due to changes in subst_asm_stack_regs.
3420 * stmt.c (expand_asm_operands): Verify number of alternatives is in
3422 * Makefile.in (reg-stack.o): Depend on recog.h.
3424 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
3426 * except.c (set_exception_version_code): Argument is an "int".
3428 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
3430 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
3431 * configure: Rebuilt.
3433 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
3435 * configure.in (mipsel-*-linux*): New target.
3436 * mips/linux.h: New file, based on other Linux targets.
3438 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
3440 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
3441 runs in the context of the deleter, not the deletee, so we must
3442 use taskVarGet to find the correct memory to free.
3443 (__gthread_key_create): Initialize the task
3444 variable subsystem so that the task variable is still active when
3445 the delete hook is run.
3447 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
3449 * pdp11.h: Use optimize_size for space optimizations.
3450 * pdp11.c: Likewise.
3451 * pdp11.md: Likewise.
3453 * pdp11.h (TARGET_40_PLUS): Fix typo.
3455 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
3457 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
3460 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3462 * alias.c (addr_side_effect_eval): New function.
3463 (memrefs_conflict_p): Use it.
3464 * rtl.h (addr_side_effect_eval): Prototype it.
3466 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
3468 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
3470 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
3472 * reload.c (find_reloads): When force const to memory, put result
3473 in substed_operand not *recog_operand_loc.
3475 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
3477 * c-lex.c: Fix indentation from last patch.
3478 Remove trailing whitespace.
3481 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
3483 * flow.c (delete_block): Call set_last_insn after we have reset
3484 NEXT_INSN (kept_tail).
3486 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
3488 * mips.md (trap_if): Use "$0" for the value zero.
3490 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
3491 Stephen L Moshier <moshier@world.std.com>
3492 Richard Henderson <rth@cygnus.com>
3494 * c-common.c (declare_function_name): Declare predefinied variable
3497 * c-decl.c (flag_isoc9x): Set to 1 by default.
3498 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
3499 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
3501 * c-parse.in: Allow constructors in ISO C 9x.
3502 Rewrite designator list handling.
3503 Allow [*] parameters.
3504 Don't warn about comma at end of enum definition for ISO C 9x.
3506 * cccp.c (c9x): New variable.
3507 (rest_extension): New variable.
3508 (print_help): Document new -std= option.
3509 (main): Recognize -std= option. Set c9x appropriately.
3510 (create_definition): Recognize ISO C 9x vararg macros.
3512 * gcc.c (default_compilers): Adjust specs for -std options.
3513 (option_map): Add --std.
3514 (display_help): Document -std.
3516 * toplev.c (documented_lang_options): Add -std and remove
3519 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
3520 or REAL_VALUE_HTOF based on base of the constants.
3521 * fold-const.c (real_hex_to_f): New function. Replacement function
3522 for hex FP conversion if REAL_ARITHMETIC is not defined.
3523 * real.c (asctoeg): Add handling of hex FP constants.
3524 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
3527 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
3529 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
3530 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
3531 expansion. Use hi/lo as destination register.
3533 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
3534 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
3535 Avoid as macro expansion. Use hi/lo as destination register.
3537 * mips.h (MASK_CHECK_RANGE_DIV): New.
3538 (MASK_NO_CHECK_ZERO_DIV): New.
3539 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
3540 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
3541 return address for leaf functions out of r31 to support
3542 builtin_return_address.
3544 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3546 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
3547 NEXT_INSN(x) to check insn x.
3549 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
3551 * flow.c (delete_block): Call set_last_insn if we end up deleting the
3552 last insn in the rtl chain.
3554 * reload1.c (reload): Do not set reload_completed or split insns
3556 * toplev.c (rest_of_compilation): Set reload_completed after
3557 reload returns. Split insns after reload_cse has run.
3559 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
3561 * final.c (final_scan_insn): Abort if block_depth falls below 0.
3563 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
3565 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
3567 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
3569 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
3570 use of user-label_prefix.
3572 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3574 * reload1.c (emit_reload_insns): Clear spill_reg_store
3575 when doing a new non-inherited reload from the same pseudo.
3577 * local-alloc.c (function_invariant_p): New function.
3578 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
3579 to decide if an equivalence should be recorded.
3580 * reload1.c (num_eliminable_invariants): New static variable.
3581 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
3582 to decide if an equivalence should be recorded.
3584 (calculate_needs_all_insns): Skip insns that only set an equivalence.
3585 Take num_eliminable_invariants into account when deciding
3586 if register elimination should be done.
3587 (reload_as_needed): Take num_eliminable_invariants into account
3588 when deciding if register elimination should be done.
3589 (eliminate_regs): Handle non-constant reg_equiv_constant.
3590 * rtl.h (function_invariant_p): Declare.
3592 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
3594 * version.c: Bump for snapshot.
3596 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
3598 * version.c: Bump for snapshot.
3600 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
3602 * except.c (add_new_handler): Complain about additional handlers
3603 after one that catches everything.
3605 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
3607 * configure.in (alpha*-*-netbsd): Fix typo.
3608 * configure: Rebuilt.
3610 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3612 * system.h: Include libiberty.h.
3614 * c-aux-info.c: Remove prototypes for concat/concat3. Change
3615 function `concat' from fixed parameters to variable parameters,
3616 as is done in libiberty. All callers of concat/concat3
3617 changed to use the new `concat' with variable args.
3619 * cccp.c: Remove things made redundant by libiberty.h and/or
3620 conform to libiberty standards.
3622 * collect2.c: Likewise.
3623 * config/1750a/1750a.h: Likewise.
3624 * cppalloc.c: Likewise.
3625 * cppexp.c: Likewise.
3626 * cppfiles.c: Likewise.
3627 * cpphash.c: Likewise.
3628 * cpplib.c: Likewise.
3629 * dyn-string.c: Likewise.
3630 * fix-header.c: Likewise.
3633 * genattr.c: Likewise.
3634 * genattrtab.c: Likewise.
3635 * gencheck.c: Likewise.
3636 * gencodes.c: Likewise.
3637 * genconfig.c: Likewise.
3638 * genemit.c: Likewise.
3639 * genextract.c: Likewise.
3640 * genflags.c: Likewise.
3641 * gengenrtl.c: Likewise.
3642 * genopinit.c: Likewise.
3643 * genoutput.c: Likewise.
3644 * genpeep.c: Likewise.
3645 * genrecog.c: Likewise.
3646 * getpwd.c: Likewise.
3647 * halfpic.c: Likewise.
3649 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
3650 in NEED_DECLARATION_* macros.
3652 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
3653 conform to libiberty standards.
3654 (fatal): Fix const-ification of variable `format' in
3655 !ANSI_PROTOTYPES case.
3657 * prefix.c: Remove things made redundant by libiberty.h and/or
3658 conform to libiberty standards.
3660 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
3661 conflicting with function `spaces' from libiberty.
3663 * profile.c: Remove things made redundant by libiberty.h and/or
3664 conform to libiberty standards.
3665 * protoize.c: Likewise.
3668 * tlink.c: Likewise.
3669 * toplev.c: Likewise.
3670 * toplev.h: Likewise.
3673 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3675 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
3677 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3679 * README.C4X: Updated URLs.
3680 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
3681 (valid_parallel_operands_5): Remove unused variable.
3683 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3685 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
3687 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
3689 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
3690 which can be configured.
3691 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
3692 (Makefile): Pass actual LANGUAGES through the environment when
3694 (cstamp-h): Likewise.
3695 (config.status): Likewise.
3697 * configure.in (enable_languages): Add new configuration parameter
3698 "--enable-languages=lang1,lang2,...".
3699 (${srcdir}/*/config-lang.in): Change handling to configure only
3700 those directories, that the user might have enabled; default to
3701 "all" existing languages.
3702 * configure: Regenerate.
3704 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
3706 * rtlanal.c (regs_set_between_p): New function.
3707 * rtl.h (regs_set_between_p): Prototype it.
3708 * jump.c (jump_optimize): Use it instead of modified_between_p
3709 in the Sep 2 change.
3711 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
3712 Matthias Pfaller <leo@dachau.marco.de>
3714 * invoke.texi (Option Summary, NS32K Options): add description
3715 of NS32K specific options.
3717 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
3718 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
3719 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
3720 negdf2, absdf2): Use l instead of f since the double class and
3721 float class are no longer the same.
3722 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
3723 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
3724 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
3725 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
3727 (cmpsi, cmphi, cmpqi): use general_operand instead of
3728 non_immediate_operand. Removes erroneous assumption that can't
3730 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
3731 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
3733 (movstrsi, movstrsi1, movstrsi2): completely new block move
3735 (...): Patterns to exploit multiply-add instructions.
3736 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
3737 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
3738 patterns to exploit extended divide insns.
3739 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
3742 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
3743 float return values as well as simple scalar floats.
3744 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
3745 support new flag to denote 32381 fpu.
3746 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
3747 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
3749 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
3750 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
3751 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
3752 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3753 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
3754 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
3755 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
3756 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
3757 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
3758 fpu registers and special register classes for new 32381
3759 instructions dotf and polyf.
3760 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
3762 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
3763 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
3765 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
3766 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
3767 (REGISTER_MOVE_COST): move code to register_move_cost function for
3768 ease of coding and debugging.
3769 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
3770 LONG_FLOAT_REGO is likely spilled but not caught by default
3772 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
3773 instead of hard coded numbers in range check.
3774 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
3775 (...): Add prototypes for functions in ns32k.c but disable because
3776 of problems when ns32k.h is included in machine independant files.
3778 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
3779 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
3780 hard_regno_mode_ok, secondary_reload_class,
3781 print_operand, print_operand_address): new register scheme to
3782 include 32381 fpu registers and special register classes for new
3783 32381 instructions dotf and polyf.
3784 (gen_indexed_expr): Make static to keep namespace clean.
3785 (check_reg): remove since never called.
3786 (move_tail, expand_block_move): helper functions for "movstrsi"
3788 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
3789 Increase cost of moves which go via memory.
3790 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
3791 (CPP_PREDEFINES): nolonger predefine "unix".
3793 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
3794 Remove erroneous %$. print_operand() can work out from the rtx is
3795 an immediate prefix is required.
3797 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
3798 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
3799 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
3801 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
3804 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
3805 Correct handling of pic operands.
3806 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
3807 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
3808 -mrtd calling convention.
3810 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
3812 * gcc.c (option_map): Recognize --output-class-directory.
3814 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3816 * loop.h (precondition_loop_p): Added new mode argument.
3817 * unroll.c (precondition_loop_p): Likewise.
3818 (approx_final_value): Function deleted and subsumed
3819 into loop_iterations.
3820 (loop_find_equiv_value): New function.
3821 (loop_iterations): Use loop_find_equiv_value to find increments
3822 too large to be immediate constants. Also use it to find terms
3823 common to initial and final iteration values that can be removed.
3825 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3827 * loop.h (struct loop_info): Define new structure.
3828 (precondition_loop_p): Added prototype.
3829 (unroll_loop): Added new argument loop_info to prototype.
3830 (final_biv_value, final_giv_value): Added new argument n_iterations
3832 * loop.c (strength_reduce): Declare new structure loop_iteration_info
3833 and new pointer loop_info.
3834 (loop_n_iterations): Replace global variable by element in
3835 loop_info structure.
3836 (check_final_value): New argument n_iterations.
3837 (insert_bct): New argument loop_info.
3838 (loop_unroll_factor): Replace global array by element in
3839 loop_info structure.
3840 (loop_optimize): Remove code to allocate and initialise
3841 loop_unroll_factor_array.
3842 * unroll.c (precondition_loop_p): No longer static since
3843 used by branch on count optimization.
3844 (precondition_loop_p, unroll_loop): New argument loop_info.
3845 (final_biv_value, final_giv_value, find_splittable_regs): New
3846 argument n_iterations.
3847 (loop_iteration_var, loop_initial_value, loop_increment,
3848 loop_final_value, loop_comparison_code, loop_unroll_factor):
3849 Replaced global variables by loop_info structure.
3850 (loop_unroll_factor): Replace global array by element in
3851 loop_info structure.
3853 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3855 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
3858 * unroll.c (precondition_loop_p): Return loop_initial_value
3859 for initial_value instead of loop_iteration_var.
3861 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3863 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
3864 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
3865 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
3866 to output the instruction sequences.
3868 (rptb_top): Provide alternatives to use any register or memory
3870 (rptb_end): Emit use of operands rather than assigning them
3871 explicitly to the RS and RE registers.
3873 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3875 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
3876 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
3877 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
3878 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
3879 c4x_merge_notes, c4x_parallel_process,
3880 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
3881 c4x_combine_parallel): Delete.
3883 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3885 * config/c4x/c4x.c: (c4x_override_options): For compatibility
3886 with old target options clear flag_branch_on_count_reg if
3887 -mno-rptb specified and set flag_argument_alias is -mno-aliases
3889 (c4x_output_cbranch): Handle a sequence of insns rather than a
3891 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
3892 has not been allocated as the loop counter.
3893 (c4x_address_conflict): Do not allow two volatile memory references.
3894 (valid_parallel_operands_4, valid_parallel_operands_5,
3895 valid_parallel_operands_6): Reject pattern if the register destination
3896 of the first set is used as part of an address in the second set.
3898 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3900 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
3901 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
3902 is no longer enabled if PARALLEL_MPY_FLAG set.
3903 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
3904 (REG_CLASS_CONTENTS): Add braces around initializers.
3905 (HAVE_MULTIPLE_PACK): Define.
3906 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
3907 REAL_VALUE_TO_DECIMAL.
3908 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
3909 REAL_VALUE_TO_DECIMAL.
3910 (ar0_reg_operand): Add prototype.
3911 (ar0_mem_operand): Likewise.
3912 (ar1_reg_operand): Likewise.
3913 (ar1_mem_operand): Likewise.
3914 (ar2_reg_operand): Likewise.
3915 (ar2_mem_operand): Likewise.
3916 (ar3_reg_operand): Likewise.
3917 (ar3_mem_operand): Likewise.
3918 (ar4_reg_operand): Likewise.
3919 (ar4_mem_operand): Likewise.
3920 (ar5_reg_operand): Likewise.
3921 (ar5_mem_operand): Likewise.
3922 (ar6_reg_operand): Likewise.
3923 (ar6_mem_operand): Likewise.
3924 (ar7_reg_operand): Likewise.
3925 (ar7_mem_operand): Likewise.
3926 (ir0_reg_operand): Likewise.
3927 (ir0_mem_operand): Likewise.
3928 (ir1_reg_operand): Likewise.
3929 (ir1_mem_operand): Likewise.
3930 (group1_reg_operand): Likewise.
3931 (group1_mem_operand): Likewise.
3932 (ir1_reg_operand): Likewise.
3933 (arx_reg_operand): Likewise.
3934 (not_rc_reg): Likewise.
3935 (not_modify_reg): Likewise.
3936 (c4x_group1_reg_operand): Remove prototype.
3937 (c4x_group1_mem_operand): Likewise.
3938 (c4x_arx_reg_operand): Likewise.
3940 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
3942 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
3943 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
3945 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3947 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
3950 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3952 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
3953 unless FMOVD_WORKS is defined.
3955 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3957 * regclass.c (init_reg_sets): Move code that calculates tables
3958 dependent on reg_class_contents from here...
3959 (init_reg_sets_1): To here.
3961 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3963 * cpplib.h: Delete struct import_file. Add ihash element to
3964 struct cpp_buffer. Delete dont_repeat_files and
3965 import_hash_table elements from cpp_reader; change
3966 all_include_files to a hash table. Delete all foobar_include
3967 / last_foobar_include elements from struct cpp_options; put
3968 back four such: quote_include, bracket_include,
3969 system_include, after_include. Redo struct file_name_list
3970 completely. Add new structure type include_hash. Add
3971 prototypes for merge_include_chains and include_hash. Change
3972 prototypes for finclude, find_include_file, and
3973 append_include_chain to match changes below.
3975 * cppfiles.c (simplify_pathname, include_hash,
3976 remap_filename, merge_include_chains): New functions.
3977 (add_import, lookup_import, open_include_file): Removed.
3978 (INO_T_EQ): Define this (copied from cccp.c).
3979 (hack_vms_include_specification): Remove all calls and #if 0
3980 out the definition. It was being called incorrectly and at
3981 the wrong times. Until a VMSie can look at this, it's better
3982 to not pretend to support it.
3983 (append_include_chain): Change calling convention; now takes
3984 only one directory at a time, and sets up the data structure
3986 (redundant_include_p): Rewritten - this is now used for all
3987 include redundancy, whether by #ifndef, #import, or #pragma
3988 once. Looks up things in the include hash table.
3989 (file_cleanup): Decrement pfile->system_include_depth here if
3991 (find_include_file): Calling convention changed; now passes
3992 around a struct include_hash instead of 3 separate parameters.
3993 Guts ripped out and replaced with new include_hash mechanism.
3994 (finclude): Calling convention changed as for
3995 find_include_file. Error exits pulled out-of-line. Reformat.
3996 (safe_read): Return a long, not an int.
3997 (deps_output): Don't recurse.
3999 * cpplib.c (is_system_include): Deleted.
4000 (path_include): Fix up call to append_include_chain.
4001 (do_include): Fix up calls to find_include_file and finclude.
4002 Clean up dependency output a bit. Shorten obnoxiously lengthy
4003 #import warning message. Don't decrement
4004 pfile->system_include_depth here.
4005 (do_pragma): Understand the include_hash structure. Reformat.
4006 (do_endif): Correct handling of control macros. Understand
4008 (cpp_start_read): Fix up calls to finclude. Call
4009 merge_include_chains.
4010 (cpp_handle_option): Fix up calls to append_include_chain.
4011 Understand the four partial include chains.
4012 (cpp_finish): Add debugging code (#if 0-ed out) for the
4014 (cpp_cleanup): Free the include_hash, not the import hash and
4015 the all_include and dont_repeat lists which no longer exist.
4017 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
4019 * toplev.c (no_new_pseudos): Define.
4020 (rest_of_compilation): Set no_new_pseudos as needed.
4021 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
4022 if no_new_pseudos is set.
4023 * rtl.h (no_new_pseudos): Declare it.
4024 * reload1.c (reload): Update comments.
4025 * md.texi: Corresponding changes.
4027 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4029 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
4030 (choose_reload_regs): Rename it here as well. When computing it,
4031 also merge in used hardregs.
4033 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4035 * gcc.c: Split out Objective-C specs to...
4036 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
4039 * c-lex.c (init_parse): Always initialize the filename global.
4040 * objc/objc-act.c (lang_init): Always call check_newline at
4043 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
4045 * reload1.c (reload): Remove unused variable.
4046 (reload_reg_free_for_value_p): Add missing parameter definition.
4048 * jump.c (jump_optimize): Remove unused variable.
4050 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
4052 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
4054 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
4056 * expr.c (move_by_pieces): Similarly.
4057 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
4058 * flow.c (find_auto_inc): Similarly.
4059 (try_pre_increment): Similarly.
4060 * loop.c (strength_reduce): Similarly.
4061 * regclass.c (auto_inc_dec_reg_p): Similarly.
4062 * regmove.c (try_auto_increment): Similarly.
4063 (fixup_match_1): Similarly.
4064 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
4065 (HAVE_PRE_DECREMENT): Similarly.
4066 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
4067 * Corresponding changes to all target header files.
4068 * tm.texi: Update docs for autoinc addressing modes.
4070 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
4072 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
4073 * configure: Rebuild.
4074 * config/elfos.h: New file.
4075 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
4076 config/m68k/t-m68kelf: New file.
4078 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
4080 * Makefile.in (HOST_AR): Define.
4081 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
4082 (libcpp.a): Use the host tools explicitly.
4083 (STAGESTUFF): Add libcpp.a.
4085 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
4087 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
4088 to source and destination registers.
4090 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
4092 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
4093 The strategy we now use is to pre allocate the top_elt along
4094 with the EH context so that each thread has its own top_elt.
4095 This is necessary as the dynmanic cleanup chain is used on the
4096 top element of the stack and each thread MUST have its own.
4097 (eh_context_static): Likewise.
4098 (new_eh_context): Likewise.
4099 (__sjthrow): Likewise.
4101 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
4103 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
4104 * i386.md (prologue_get_pc): Remove unused variable.
4106 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
4108 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
4110 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
4112 * Makefile.in (OBJS): Add graph.o
4113 (graph.o): New dependency list.
4114 * flags.h: Declare dump_for_graph and define graph_dump_types type.
4115 * print-rtl.c (dump_for_graph): Define new variable.
4116 (print_rtx): Rewrite to allow use in graph dumping functions.
4117 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
4118 finish_graph_dump_file.
4119 Define graph_dump_format.
4120 (compile_file): If graph dumping is enabled also clear these files.
4121 Finish graph dump files.
4122 (rest_of_compilation): Also dump graph information if enabled.
4123 (main): Recognize -dv to enabled VCG based graph dumping.
4124 * graph.c: New file. Graph dumping functions.
4126 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
4128 * configure.in: Look for <sys/stat.h>.
4129 * system.h: Include it before substitute S_ISREG definitions.
4131 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
4133 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
4134 * config/mips/iris6.h: Same.
4135 * config/mips/mips.md: Same.
4136 * config/mips/mips.c: Same; also add "-mabi=o64" option.
4137 * config/mips/mips.h: Same; also define ABI_O64.
4139 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4141 * configure.in: Use AC_PREREQ(2.12.1).
4143 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
4145 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
4146 * cpplib.c, gcc.c: Likewise.
4147 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
4149 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
4151 * local-alloc.c (local_alloc): Use malloc not alloca for
4152 reg_qty, reg_offset, ref_next_in_qty.
4154 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4156 * caller-save.c (insert_one_insn): Initialize the live_before and
4157 live_after register sets.
4161 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
4162 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
4163 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
4164 (fp_reg_names, assembler_dialect): New variables.
4165 (print_operand_address): Handle SUBREGs.
4166 (print_operand): Added 'o' case.
4167 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
4168 Name of FP registers depends on mode.
4169 (expand_block_move): Emit different code for SH4 hardware.
4170 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
4171 (from_compare): Likewise.
4172 (add_constant): New argument last_value. Changed all callers.
4173 (find_barrier): Don't try HImode load for FPUL_REG.
4174 (machine_dependent_reorg): Likewise.
4175 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
4176 (gen_far_branch): Emit a barrier after the new jump.
4177 (barrier_align): Don't trust instruction lengths before
4179 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
4180 Use auto-inc addressing for fp registers if doubles need to
4181 be loaded in two steps.
4182 Set sh_flag_remove_dead_before_cse.
4183 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
4184 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
4185 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
4186 Support for FIRST_XD_REG .. LAST_XD_REG.
4187 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
4188 (sh_expand_epilogue): Likewise.
4189 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
4190 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
4191 (arith_reg_operand): FPUL_REG is OK for SH4.
4192 (fp_arith_reg_operand, fp_extended_operand) New functions.
4193 (tertiary_reload_operand, fpscr_operand): Likewise.
4194 (commutative_float_operator, noncommutative_float_operator): Likewise.
4195 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
4196 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
4197 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
4198 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
4199 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
4200 (CONDITIONAL_REGISTER_USAGE): Likewise.
4201 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
4202 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
4203 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
4204 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
4205 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
4206 to -1 and sh_flag_remove_dead_before_cse to 1.
4207 (ASSEMBLER_DIALECT): Define to assembler_dialect.
4208 (assembler_dialect, fp_reg_names): Declare.
4209 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
4210 Hide names of registers that are not accessible.
4211 (CACHE_LOG): Take TARGET_CACHE32 into account.
4212 (LOOP_ALIGN): Take TARGET_HARWARD into account.
4213 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
4214 (FIRST_PSEUDO_REGISTER: Now 49.
4215 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
4216 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
4217 (HARD_REGNO_MODE_OK): Update.
4218 (enum reg_class): Add DF_REGS and FPSCR_REGS.
4219 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
4220 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
4221 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
4222 (NPARM_REGS): Eight floating point parameter registers on SH4.
4223 (BASE_RETURN_VALUE_REG): SH4 also passes double values
4224 in floating point registers.
4225 (GET_SH_ARG_CLASS) Likewise.
4226 Complex float types are also returned in float registers.
4227 (BASE_ARG_REG): Complex float types are also passes in float registers.
4228 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
4229 (LIBCALL_VALUE): Remove trailing semicolon.
4230 (ROUND_REG): Round when double precision value is passed in floating
4232 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
4233 passed on the stack.
4234 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
4235 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
4236 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
4237 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
4238 (MODE_DISP_OK_8): Not for SH4 DFmode.
4239 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
4240 Allow indexed addressing for PSImode after reload.
4241 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
4242 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
4243 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
4244 (DOUBLE_TYPE_SIZE): 64 for SH4.
4245 (RTX_COSTS): Add PLUS case.
4246 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
4247 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
4248 MAC_REGS, PR_REGS, DF_REGS.
4249 (REGISTER_NAMES): Use fp_reg_names.
4250 (enum processor_type): Add PROCESSOR_SH4.
4251 (sh_flag_remove_dead_before_cse): Declare.
4252 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
4253 (PREDICATE_CODES): Add binary_float_operator,
4254 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
4255 fpscr_operand, noncommutative_float_operator.
4256 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
4257 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
4258 * sh.md (attribute cpu): Add value sh4.
4259 (attrbutes fmovd, issues): Define.
4260 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
4261 (function units memory, int, mpy, fp): Make dependent on issue rate.
4262 (function units issue, single_issue, load_si, load): Define.
4263 (function units load_store, fdiv, gp_fpul): Define.
4264 (attribute hit_stack): Provide proper default.
4265 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
4266 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
4267 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
4268 (mulsi3_call): Now uses match_operand for function address.
4269 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
4271 (push, pop, push_e, pop_e): Now define_expands.
4272 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
4273 (movsi_ie): Added y/i alternative.
4274 (ic_invalidate_line_i, movdf_i4): New insns.
4275 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
4276 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
4277 (movdf): Add special code for SH4.
4278 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
4279 (call_valuei, calli, call_value): Likewise.
4280 (movsf): Emit no-op move.
4281 (mov_nop, movsi_y): New insns.
4282 (blt, sge): generalize to handle DFmode.
4283 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
4284 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
4285 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
4286 (fpu_switch0, fpu_switch1, movpsi): New expanders.
4287 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
4288 (toggle_sz): New insn.
4289 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
4290 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
4291 (macsf3): Make use of fpscr visible. Disable for SH4.
4292 (floatsisf2): Make use of fpscr visible.
4293 (floatsisf2_i4): New insn.
4294 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
4295 (ieee_ccmpeqsf_t): Likewise.
4296 (fix_truncsfsi2): Emit different code for SH4.
4297 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
4298 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
4299 (negsf2, sqrtsf2, abssf2): Now expanders.
4300 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
4301 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
4302 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
4303 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
4304 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
4305 (fix_truncdfsi2_i4_2+1): New splitters.
4306 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
4307 (extendsfdf2, truncdfsf2): New expanders.
4308 (truncdfsf2_i4): New insn.
4309 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
4310 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
4311 * float-sh.h: When testing for __SH3E__, also test for
4312 __SH4_SINGLE_ONLY__ .
4313 * va-sh.h (__va_freg): Define to float.
4314 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
4315 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
4316 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
4317 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
4319 (TARGET_SH4_P): Define.
4322 * sh.md (movdf_k, movsf_i): Tweak the condition so that
4323 init_expr_once is satisfied about the existence of load / store insns.
4325 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
4326 change m constraint in source operand to mr / mf .
4328 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
4330 * (__VA_REEF): Define.
4331 (__va_arg_sh1): Use it.
4333 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
4335 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
4337 * i386/dgux.c (struct option): Add new "description field".
4338 * m88k/m88k.c (struct option): Likewise.
4340 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
4342 * version.c: Bump for snapshot.
4344 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4346 * regmove.c (regmove_profitable_p): Use return value of find_matches
4349 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
4351 * version.c: Bump for snapshot.
4353 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
4355 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
4356 without reload having been called earlier.
4358 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
4360 (v850_reorg): Similarly.
4362 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
4364 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4366 * loop.c (move_movables): Start of libcall might be new loop start.
4368 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4370 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
4372 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4374 * function.c (nonlocal_goto_handler_slots): Renamed from
4375 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
4376 (push_function_context_to): Adjust for this change.
4377 (pop_function_context_from): Likewise.
4378 (init_function_start): Likewise.
4379 (expand_function_end): Likewise.
4380 * function.h (struct function): Likewise.
4381 * calls.c (expand_call): Likewise.
4382 * explow.c (allocate_dynamic_stack_space): Likewise.
4383 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
4384 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
4386 (expand_goto): When doing a nonlocal goto, find corresponding handler
4387 slot for it. Don't put the label address in the static chain register.
4388 (expand_end_bindings): Break out nonlocal goto handling code into
4389 three new functions.
4390 (expand_nl_handler_label, expand_nl_goto_receiver,
4391 expand_nl_goto_receivers): New static functions, broken out of
4392 expand_end_bindings and adapted to create one handler per nonlocal
4394 * function.c (delete_handlers): Delete insn if it references any of
4395 the nonlocal goto handler slots.
4396 * i960.md (nonlocal_goto): Comment out code that modifies
4398 * sparc.md (nonlocal_goto): Likewise.
4399 (goto_handler_and_restore_v9): Comment out.
4400 (goto_handler_and_restore_v9_sp64): Comment out.
4402 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4404 * expr.c (STACK_BYTES): Delete unused macro.
4405 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
4406 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4407 (expand_call): Likewise.
4408 (emit_library_call): Likewise.
4409 (emit_library_call_value): Likewise.
4410 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
4411 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4412 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
4413 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4414 (allocate_dynamic_stack_space): Likewise.
4415 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
4416 (STACK_BOUNDARY): Update description to reflect the new situation.
4418 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
4420 * reorg.c (relax_delay_slots): When optimizing for code size, if a
4421 return with a filled delay slot is followed by a return with an
4422 unfilled delay slot, delete the first return and reemit the insn
4423 that was previously in its delay slot.
4425 * i860.c (single_insn_src_p): Add missing parens.
4426 * ginclude/math-3300.h: Likewise.
4428 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
4430 * regclass.c (init_reg_sets_1): Add prototype.
4431 (init_reg_modes): Likewise.
4433 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
4435 * c-common.c: Change warning messages to say `comparison is
4436 always true' or `comparison is always false' instead of the
4437 confusing `is always 0', `is always 1'.
4439 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
4441 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
4442 break instead of return (which loses closing '>').
4444 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
4446 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
4447 standard 387 constants.
4449 * i386.md (jump): Explicitly set "memory" attribute.
4450 (indirect_jump, prologue_set_stack_ptr): Likewise.
4451 (prologue_get_pc_and_set_got, pop): Likewise.
4452 (allocate_stack_worder, blockage, return_internal): Likewise.
4453 (return_pop_internal, nop): Likewise.
4454 (epilogue_set_stack_ptr, leave): Likewise.
4456 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
4458 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
4460 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4462 * reload1.c (reload_reg_free_for_value_p):
4463 Early auto_inc reloads don't conflict with outputs.
4465 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4467 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
4468 Instead call AC_HEADER_SYS_WAIT.
4470 * collect2.c: Don't provide defaults for sys/wait.h macros.
4472 * protoize.c: Likewise. Also, don't include sys/wait.h.
4474 * system.h: Include sys/wait.h and provide macro defaults.
4476 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4478 * Makefile.in (mandir): Set to @mandir@.
4479 (man1dir): New variable to hold the former value of $(mandir).
4480 Replace all uses of $(mandir) by $(man1dir).
4482 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
4484 * reload.c (find_reloads_address_part): If have a CONST_INT, create
4485 a new one before passing it to force_const_mem.
4487 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
4488 find_reloads_address call.
4490 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4492 * expr.c (store_expr): Don't generate load-store pair
4493 if TEMP is identical (according to ==) with TARGET.
4495 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4497 * reload1.c (reload_reg_free_for_value_p): When considered reload
4498 has an output, matching inputs are not sufficient to avoid conflict.
4500 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
4502 * hash.h (hash_table_key): New type.
4503 (hash_entry): Change `string' field to generic `key'.
4504 (hash_table): Add `comp' and `hash' functions.
4505 (hash_table_init): Take them as input.
4506 (hash_table_init_n): Likewise.
4507 (hash_lookup): Modify for generic keys.
4508 (hash_newfunc): Likewise.
4509 (hash_traverse): Likewise.
4510 (string_hash): New function.
4511 (string_compare): Likewise.
4512 (string_copy): Likewise.
4513 * hash.c (hash_table_init_n): Modify for generic keys.
4514 (hash_table_init): Likewise.
4515 (hash_lookup): Likewise.
4516 (hash_newfunc): Likewise.
4517 (hash_traverse): Likewise.
4518 (string_hash): Split out from hash_lookup.
4519 (string_compare): New function.
4520 (string_copy): Split out from hash_lookup.
4521 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
4523 (symbol_hash_lookup): Likewise.
4524 (file_hash_newfunc): Likewise.
4525 (file_hash_lookup): Likewise.
4526 (demangled_hash_newfunc): Likewise.
4527 (demangled_hash_lookup): Likewise.
4528 (tlink_int): Likewise.
4529 (read_repo_file): Likewise.
4530 (recompile_files): Likewise.
4531 (demangle_new_symbols): Likewise.
4532 (scan_linker_output): Likewise.
4534 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4536 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
4538 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
4540 * rs6000.c (output_mi_thunk): Improve test for local branch.
4542 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4544 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
4546 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4548 * reload1.c (reload_reg_free_before_p): Delete.
4549 Changed all callers to use reload_reg_free_for_value_p instead.
4550 (reload_reg_free_for_value_p): Handle more reload types.
4551 A RELOAD_FOR_INPUT doesn't conflict with its
4552 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
4553 Add special case for OUT == const0_rtx.
4554 Added ignore_address_reloads argument. Changed all callers.
4556 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
4558 * toplev.c (compile_file): Don't pedwarn about undefined static
4559 functions just because we passed -Wunused.
4561 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4563 * function.c (purge_addressof_1): Unshare rtl created by
4566 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4568 * regmove.c (regmove_optimize): Don't do anything but
4569 optimize_reg_copy[123] when flag_regmove is not set.
4571 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
4573 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
4574 value in paradoxical SImode result, rather than truncating midpoint.
4576 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
4578 * alpha.c (reg_not_elim_operand): New.
4579 * alpha.h (PREDICATE_CODES): Add it.
4580 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
4581 for the multiplicand.
4583 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
4585 * rs6000.md (movsf): Remove explicit secondary-reload-like
4586 functionality. Only truncate SFmode store if in FPR.
4587 (movsf splitters): Combine const_double splitters.
4588 (movsf_hardfloat): Add GPR support.
4590 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
4592 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
4593 deprecate -mlive-g0 and -mbroken-saverestore.
4594 * t-splet (MULTILIB_OPTIONS): Likewise.
4596 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
4597 in a leaf function. Clarify total_size/extra_size relationship.
4599 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
4601 * i386/cygwin32.asm: Delete.
4602 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
4603 * i386/cygwin32.h: Delete.
4604 * i386/cygwin.h: New file, renamed from cygwin32.h.
4605 * i386/t-cygwin32: Delete.
4606 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
4607 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
4608 * i386/x-cygwin32: Delete.
4609 * i386/x-cygwin: New file, renamed from x-cygwin32.
4610 * i386/xm-cygwin32: Delete.
4611 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
4612 renamed cygwin_ funcs for path translations.
4613 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
4614 * i386/winnt.c: Remove "32" from comment about cygwin.
4615 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
4616 * rs6000/cygwin32.h: Delete.
4617 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
4618 -D__CYGWIN__ to CPP_PREDEFINES.
4619 * rs6000/x-cygwin32: Delete.
4620 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
4621 * rs6000/xm-cygwin32: Delete.
4622 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
4624 * configure.in: Check for cygwin* instead of cygwin32. Account
4625 for the rename of cygwin-related config files to lose the "32"s.
4626 * configure: Regenerate.
4628 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
4629 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
4631 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
4633 * Makefile.in (JAVAGC): New macro.
4634 * configure: Rebuilt.
4635 * configure.in: Recognize --enable-java-gc argument. Subst
4638 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4640 Handle equivalences that have been obscured by gcse:
4642 * reload1.c (reload): Handle equivalences set up in multiple places.
4643 * local-alloc.c (reg_equiv_init_insns): New variable.
4644 (no_equiv): New function.
4645 (update_equiv_regs): Handle equivalences set up in multiple places.
4646 Don't ignore an insn just because its destination is likely to be
4649 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
4651 * except.c (expand_eh_return): Readd force_operand call lost in
4654 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
4656 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
4658 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4660 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
4662 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4664 * regmove.c (regmove_optimize): Fix error in last change.
4666 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
4668 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
4669 offset in the .mask pseudo to compensate for frame pointer adjustments.
4670 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
4671 word swap arguments moved to/from FP registers.
4672 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
4674 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
4676 * version.c: Bump for snapshot.
4678 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
4680 * version.c: Bump for snapshot.
4682 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
4684 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
4685 times, then it can not be completely replaced.
4687 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
4689 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
4691 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4693 * gansidecl.h: Prepend a "G" to the macro wrapping this file
4694 (to distinguish it from the macro wrapping ansidecl.h.)
4695 Include libiberty's ansidecl.h. Remove all redundant definitions.
4696 Define the PROTO() style macros in terms of the PARAMS() ones.
4699 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
4700 __STDC__, when deciding whether to use ANSI variable args.
4701 (emit_library_call_value): Likewise.
4703 * cccp.c (error): Likewise.
4704 (warning): Likewise.
4705 (error_with_line): Likewise.
4706 (warning_with_line): Likewise.
4707 (pedwarn): Likewise.
4708 (pedwarn_with_line): Likewise.
4709 (pedwarn_with_file_and_line): Likewise.
4712 * cexp.y (error): Likewise.
4713 (pedwarn): Likewise.
4714 (warning): Likewise.
4716 * collect2.c (fatal_perror): Likewise.
4720 * combine.c (gen_rtx_combine): Likewise.
4722 * cpperror.c (cpp_message): Likewise.
4723 (cpp_fatal): Likewise.
4725 * cpplib.c (cpp_error): Likewise.
4726 (cpp_warning): Likewise.
4727 (cpp_pedwarn): Likewise.
4728 (cpp_error_with_line): Likewise.
4729 (cpp_warning_with_line): Likewise.
4730 (cpp_pedwarn_with_line): Likewise.
4731 (cpp_pedwarn_with_file_and_line): Likewise.
4733 * cpplib.h: Don't define PARAMS() macro.
4735 * demangle.h: Likewise.
4737 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
4738 when deciding whether to use ANSI variable args.
4740 * emit-rtl.c (gen_rtx): Likewise.
4741 (gen_rtvec): Likewise.
4743 * final.c (asm_fprintf): Likewise.
4745 * fix-header.c (cpp_message): Likewise.
4747 (cpp_fatal): Likewise.
4749 * gcc.c (concat): Likewise.
4753 * genattr.c (fatal): Likewise.
4755 * genattrtab.c (attr_rtx): Likewise.
4756 (attr_printf): Likewise.
4759 * gencodes.c (fatal): Likewise.
4761 * genconfig.c (fatal): Likewise.
4763 * genemit.c (fatal): Likewise.
4765 * genextract.c (fatal): Likewise.
4767 * genflags.c (fatal): Likewise.
4769 * genopinit.c (fatal): Likewise.
4771 * genoutput.c (fatal): Likewise.
4774 * genpeep.c (fatal): Likewise.
4776 * genrecog.c (fatal): Likewise.
4778 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
4779 deciding whether to declare `tree_node' and `rtx_def'.
4781 * hash.h: Don't define stuff we get from gansidecl.h.
4783 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
4784 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
4785 whether to use ANSI variable args.
4788 * prefix.c (concat): Likewise.
4792 * system.h: Likewise.
4794 * toplev.c (error_with_file_and_line): Likewise.
4795 (error_with_decl): Likewise.
4796 (error_for_asm): Likewise.
4799 (warning_with_file_and_line): Likewise.
4800 (warning_with_decl): Likewise.
4801 (warning_for_asm): Likewise.
4802 (warning): Likewise.
4803 (pedwarn): Likewise.
4804 (pedwarn_with_decl): Likewise.
4805 (pedwarn_with_file_and_line): Likewise.
4807 (really_sorry): Likewise.
4809 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
4810 whether to declare `tree_node' and `rtx_def'.
4812 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
4813 deciding whether to use ANSI variable args.
4814 (build_nt): Likewise.
4815 (build_parse_node): Likewise.
4817 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
4819 * version.c: Bump for snapshot.
4821 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4823 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
4825 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4827 * collect2.c (main, case 'b'): Use else if.
4829 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4831 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
4832 Arrange to include gansidecl.h in {ht}config.h & tm.h just
4833 before the config/ directory headers.
4834 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
4835 gansidecl.h in the list of dependencies.
4837 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
4838 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
4839 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
4840 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
4841 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
4842 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
4845 * cccp.c: Don't include gansidecl.h.
4847 * collect2.c: Likewise.
4848 * config/c4x/c4x.c: Likewise.
4849 * config/v850/v850.h: Likewise.
4850 * cppalloc.c: Likewise.
4851 * cpperror.c: Likewise.
4852 * cppexp.c: Likewise.
4853 * cppfiles.c: Likewise.
4854 * cpphash.c: Likewise.
4855 * cpplib.c: Likewise.
4856 * cppmain.c: Likewise.
4857 * cppulp.c: Likewise.
4858 * demangle.h: Likewise.
4859 * doprint.c: Likewise.
4860 * dyn-string.c: Likewise.
4861 * eh-common.h: Likewise.
4862 * fix-header.c: Likewise.
4863 * frame.c: Likewise.
4866 * gen-protos.c: Likewise.
4867 * gencheck.c: Likewise.
4868 * halfpic.h: Likewise.
4870 * machmode.h: Likewise.
4871 * mbchar.c: Likewise.
4872 * prefix.c: Likewise.
4873 * protoize.c: Likewise.
4874 * recog.h: Likewise.
4876 * scan-decls.c: Likewise.
4878 * varray.h: Likewise.
4880 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
4882 * i386.md (call_value_pop): If we're not popping anything,
4883 defer to call_value.
4884 (call_pop): Likewise defer to call.
4886 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
4888 * function.c (purge_addressof): Clear purge_addressof_replacements
4889 only after processing the whole function.
4891 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
4893 * reload1.c (reload): If we can not perform a particular elimination
4894 when we thought we could earlier, then we must always iterate through
4895 the loop at least one more time.
4897 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
4899 * alpha.c (add_operand): Simplify the CONST_INT match.
4900 (sext_add_operand): Correct typo in comparison by using
4901 CONST_OK_FOR_LETTER_P.
4902 * alpha.md (s?addq): Use sext_add_operand to allow the negative
4903 constant alternatives to be generated.
4904 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
4905 small constants, since the hw instructions do.
4907 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4909 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
4910 previous insn to store directly into our reload register, make sure
4911 that if the source of the previous insn is a reload register, its
4912 spill_reg_store and spill_reg_stored_to values are cleared.
4914 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
4916 * rs6000.md (floatunssidf2_internal splitter): Use base register
4917 operand, not hard-coded SP.
4919 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4921 * jump.c (calculate_can_reach_end): Fix thinko.
4923 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
4925 * reorg.c (fill_simple_delay_slots): Fix typo.
4927 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
4929 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
4931 * i386.md (extendsidi2): Use # in the output template.
4932 (extendsidi splitters): New splitters.
4934 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
4936 * configure.in: Use unknown-elf.h as tm_file for arm-elf
4938 * configure: Regenerate.
4940 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4942 * jump.c (init_label_info, delete_barrier_successors,
4943 mark_all_labels, delete_unreferenced_labels,
4944 delete_noop_moves, calculate_can_reach_end): New functions broken
4945 out of jump_optimize.
4946 (jump_optimize): Use them.
4948 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4950 * except.c (expand_fixup_region_end): Make sure outer context labels
4951 are not issued in an inner context during cleanups.
4953 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
4955 * alpha.md (addsi3, subsi3): No new temporaries once cse is
4958 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
4960 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
4961 to expose this midpoint to CSE.
4963 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4965 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
4967 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4969 * configure.in: Bring over gcc2 change of Nov 19 1997.
4971 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
4973 * toplev.c (output_lang_identify): Make definition dependent on
4974 ASM_IDENTIFY_LANGUAGE.
4976 * print-rtl.c (spaces): Make static.
4978 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
4980 * extend.texi: Clarify proper uses for register clobbers in asms.
4982 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4984 * recog.h (enum op_type): Define.
4985 (constrain_operands): Adjust prototype.
4986 (recog_op_type): Declare new variable.
4987 * recog.c (recog_op_type): New variable.
4988 (insn_invalid_p): Allow modifying an asm statement after reload.
4989 (extract_insn): Set up recog_op_type.
4990 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
4991 Don't compute operand types, use recog_op_type.
4992 Use the information computed by extract_insn instead of the previous
4993 method of finding it by insn code number.
4994 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
4995 * reorg.c (fill_slots_from_thread): Likewise.
4996 * reload1.c (reload_as_needed): Likewise.
4997 (gen_reload): Likewise.
4998 (inc_for_reload): Likewise.
4999 (reload_cse_simplify_operands): Likewise.
5000 Use the information computed by extract_insn instead of the previous
5001 method of finding it by insn code number.
5002 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
5004 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
5005 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
5006 Use the information computed by extract_insn instead of the previous
5007 method of finding it by insn code number.
5008 * regmove.c (find_matches): Likewise. Change meaning of the return
5009 value to be nonzero if the optimization can be performed, zero if
5010 not. All callers changed.
5011 Shorten some variable names to fix formatting problems.
5012 (regmove_optimize): Shorten some variable names to fix formatting
5014 Use the information computed by extract_insn instead of the previous
5015 method of finding it by insn code number.
5016 * regclass.c (scan_one_insn): Likewise.
5017 (record_reg_classes): Don't compute operand types, use recog_op_type.
5018 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
5019 recog_constraints instead.
5021 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
5023 * rtl.h (flow2_completed): Declare.
5024 * flow.c (flow2_completed): Definition.
5025 * toplev.c (rest_of_compilation): Set and clear flow2_completed
5028 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
5030 * Makefile.in (libcpp.a): Ranlib libcpp.a
5032 * cppulp.c (user_label_prefix): Initialize.
5034 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
5036 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
5037 at a RETURN if current_function_sp_is_unchanging is set.
5039 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5041 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
5043 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
5045 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
5046 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
5047 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
5048 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
5049 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
5050 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
5052 (LIB_SPEC): Handle -mno-cyginw option.
5053 (LINK_SPEC): Handle -mdll.
5055 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5057 * reload.c (find_reloads): Fix test for usage by other reload
5058 to handle secondary reloads properly.
5060 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5062 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
5063 intermediate structure which has exactly the members provided by
5064 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
5065 static intermediate structure.
5067 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
5068 from the intermediate structure. Do the same analogous fix in
5069 the case where ELIMINABLE_REGS is not defined.
5071 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
5073 * pa.h (SELECT_SECTION): Fix thinko.
5075 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
5077 * dwarf2out.c (output_call_frame_info): Comments on last change.
5079 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
5081 * arm.c (add_constant): When taking the address of an item in the
5082 pool, get the mode of the item addressed.
5084 * arm.c (final_prescan_insn case INSN): If an insn doesn't
5085 contain a SET or a PARALLEL, don't consider it for conditional
5088 Restore ABI compatibility for NetBSD.
5089 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
5091 (RETURN_IN_MEMORY): Likewise.
5093 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
5095 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
5096 (m32r_output_block_move): Rewrite bytes < 4 handling.
5098 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5100 * configure.in: Call AC_FUNC_VFORK.
5102 * collect2.c: Define VFORK_STRING as a printable string for
5103 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
5104 defined, include vfork.h. If VMS is defined, define vfork()
5105 appropriately. Remove vfork check on USG, we're using autoconf.
5106 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
5107 checking locally what string to pass.
5108 (scan_prog_file): Likewise.
5109 (scan_libraries): Likewise.
5111 * gcc.c: Remove vfork check on USG, we're using autoconf.
5112 Besides, no calls to vfork/fork occur in this file.
5114 * protoize.c: Likewise.
5116 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5118 * configure.in (DEFAULT_LINKER): renamed from LD
5119 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
5120 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
5121 * configure: rebuilt
5123 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5125 * BUGS: fix the regexp for `more' to find the appropriate node.
5126 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
5128 * BUGS: added link to the WWW FAQ
5130 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
5132 * version.c: Bump for snapshot.
5134 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
5136 * From Christian Gafton:
5137 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
5138 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
5139 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
5141 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
5143 * c-common.c (c_get_alias_set): Allow all type-punning through
5144 unions. Don't get confused about the type of a bit-field, despite
5145 the antics of build_modify_expr.
5147 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
5149 * fixinc.sco: Paramaterize #include_next values.
5150 * fixinc/fixinc.sco: Likewise.
5152 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
5154 * toplev.c (rest_of_compilation): No longer set reload_completed.
5155 * reload1.c (reload): Set it here. Perform instruction splitting
5156 after reload has completed if we will be running the scheduler
5159 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
5161 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
5162 EH region if exceptions are enabled and we're performing cross
5164 (find_cross_jump): Exit loop if the insns are in different EH regions.
5166 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
5168 * dwarf2out.c (output_call_frame_info): Use
5169 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
5171 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5173 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
5174 * c-common.c (check_format_info): Don't check for the 'x'
5175 format character twice, instead check for 'x' and 'X'
5177 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
5179 * configure.in (assembler features): Also make gas is configured if
5180 we find it in the souce tree.
5182 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
5184 * i386.c (i386_comp_type_attributes): Compare whether the
5185 attributes are defined, not their tree nodes.
5187 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5189 * configure.in (gxx_include_dir): bitten by autoconf quoting
5191 * configure: rebuilt
5193 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5195 * configure.in: Ignore non-absolute value in $AS.
5197 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
5199 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
5201 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
5203 * configure.in (msdosdjgpp): Set exeext and target_alias.
5205 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5207 * flow.c (XNMALLOC): New macro.
5208 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
5210 (add_edge, add_edge_to_label): New static functions.
5211 (free_bb_memory): New function.
5212 (flow_delete_insn): Delete function.
5213 (basic_block_drops_in): Delete variable.
5214 (find_basic_blocks): Allocate and initialize basic_block_head,
5215 basic_block_succ. Don't allocate basic_block_drops_in.
5216 Call free_bb_memory at the beginning.
5217 (find_basic_blocks_1): Don't do multiple passes.
5218 Delete code to compute basic_block_drops_in.
5219 After calling make_edges, mark blocks reached by current block live.
5220 Update test for unreachable live blocks.
5221 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
5223 Simplify to call add_edge_to_label when a LABEL_REF is found.
5224 (make_edges): Simplify to call add_edge_to_label instead of
5225 mark_label_ref most of the time.
5226 Compute here whether control drops into the next block.
5227 (delete_unreachable_blocks): Return void. All callers changed.
5228 Delete unreachable blocks in reverse order.
5229 After deleting all unreachable blocks, renumber the remaining ones
5230 and update n_basic_blocks.
5231 (delete_block): Speed up deletion a bit.
5232 Don't set basic_block_drops_in for deleted blocks.
5233 (free_basic_block_vars): Don't free basic_block_drops_in.
5234 (life_analysis_1): Update to use new edge representation.
5235 (dump_flow_info): Delete code to print basic block info; call
5236 dump_bb_data instead.
5237 (compute_preds_succs): Delete code to recompute basic_block_drops_in
5238 and uid_block_number.
5239 Simply copy the previously computed cfg.
5240 (dump_bb_data): New arg LIVE_INFO. All callers changed.
5241 Print register lifetime information if LIVE_INFO is nonzero.
5242 * basic-block.h (dump_bb_data): Adjust prototype.
5243 * gcse.c (gcse_main): Update call to dump_bb_data.
5244 * rtl.h (free_bb_memory): Declare.
5245 * toplev.c (rest_of_compilation): Call free_bb_memory.
5247 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
5248 (update_eliminable_offsets): Don't compute it.
5249 (set_initial_elim_offsets): Don't initialize it.
5250 Break out some code into set_initial_label_offsets so the rest of
5251 this function can be called from reload_as_needed.
5252 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
5253 ELIMINABLE_REGS isn't.
5254 (set_initial_label_offsets): New function, broken out of
5255 set_initial_elim_offsets.
5256 (set_offsets_for_label): New function, broken out of set_label_offsets
5257 and reload_as_needed.
5258 (reload): Call the two new functions.
5259 (reload_as_needed): Call set_initial_elim_offsets instead of
5260 duplicating the code. Likewise for set_offsets_for_label.
5262 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
5263 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
5264 any hard reg, reg_reloaded_dead contains valid data.
5266 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
5268 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
5269 "stdcall" and "cdecl" attributes.
5271 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
5273 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
5274 handle deleted no-op moves of hard registers.
5275 * haifa-sched.c (update_flow_info): Likewise.
5277 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
5279 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
5280 of the sequences to reload the HILO register which do not actually
5283 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
5285 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
5287 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5289 * except.c (emit_eh_context): Make the EH context register stay alive
5290 at -O0 so stupid.c doesn't get confused.
5292 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5294 * emit-rtl.c (try_split): Do not try to split a BARRIER.
5296 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
5297 Jeffrey A Law (law@cygnus.com)
5299 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
5300 (zero_extendsidi2): Use # in output template and handle completely by
5302 (zero_extend splitters): New define_splits.
5303 (ashiftrt_32): New pattern.
5305 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
5307 * tree.c (append_random_chars): New fn.
5308 (get_file_function_name_long): Use it.
5310 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
5312 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
5313 (LIBCPP_OBJS): New. Add cppulp.o.
5314 (cppmain, fix-header): Depend on and use libcpp.a.
5315 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
5316 of the individual object files.
5317 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
5320 * cccp.c (user_label_prefix): New.
5321 (main): Set it off -f*leading-underscore.
5322 (special_symbol): Use it.
5323 * cpplib.c (special_symbol): Likewise.
5324 (cpp_handle_option): Handle -f*leading-underscore.
5325 * cppulp.c: New file.
5327 * output.h (user_label_prefix): Declare it.
5328 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
5329 * toplev.c (f_options, main): Handle -f*leading-underscore.
5331 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
5332 referencing USER_LABEL_PREFIX directly.
5333 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
5334 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
5335 * final.c (asm_fprintf): Use user_label_prefix instead.
5336 * arm/thumb.c (thumb_print_operand): Likewise.
5338 * gcc.c (default_compilers): Pass -f*leading-underscore on to
5339 cpp wherever appropriate.
5341 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
5343 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
5344 specific compiler switches.
5346 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
5348 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
5351 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5353 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
5354 structure which has exactly the members provided by EXTRA_SPECS.
5355 Xmalloc() the real `extra_specs', and initialize it from this
5356 intermediate structure.
5358 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
5360 * mips.h (EXTRA_SPECS): Likewise.
5362 * sparc.h (EXTRA_SPECS): Likewise.
5364 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5366 * function.c (purge_addressof_1): Instead of aborting when a
5367 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
5368 work just put the ADDRESSOF on stack. Otherwise remember all such
5369 successfull replacements, so that exactly the same replacements
5370 can be made on the REG_NOTEs. Remove the special case for CALL
5372 (purge_addressof_replacements): New variable.
5373 (purge_addressof): Clear it at end.
5375 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5377 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
5378 (lang_init): Call check_newline always.
5379 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
5380 cpp_start_read, set yy_cur and yy_lim to read from
5381 parse_in.token_buffer, so that we'll see the first #line
5383 * cpplib.c (cpp_start_read): finclude the main input file
5384 before processing -include/-imacros. Process -imacros and
5385 -include separately, and handle -include by stacking a
5386 buffer for the file in question as if it'd been #included.
5387 * toplev.c (documented_lang_options) Recognize -H when
5390 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5392 * cpplib.c: Merge do_once into do_pragma. Break file handling
5393 code out of do_include.
5394 Move append_include_chain, deps_output,
5395 file_cleanup, redundant_include_p, import_hash,
5396 lookup_import, add_import, read_filename_string, read_name_map,
5397 open_include_file, finclude, safe_read to cppfiles.c.
5398 Move prototypes for deps_output, append_include_chain,
5399 finclude to cpplib.h. Move definition of struct
5400 file_name_list there also.
5402 * cppfiles.c: New file. Contains all the above functions
5403 broken out of cpplib.c; also hack_vms_include_specification
5404 from cccp.c and find_include_file, a new function broken out of
5407 * Makefile.in (cppmain): Depend on cppfiles.o.
5408 (fix-header): Likewise.
5409 (cppfiles.o): New target.
5410 * configure.in (--enable-c-cpplib): Add cppfiles.o to
5411 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
5413 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
5415 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
5416 if pending_types is non-zero.
5417 (dwarfout_finish): Verify pending_types is zero before finishing.
5419 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
5421 * expr.c (convert_move): Use shifts to perform the move if a
5422 suitable extend pattern cannot be found. Code written by
5423 Richard Henderson <rth@cygnus.com>.
5425 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5427 * regclass.c (renumber, regno_allocated): New static variables, moved
5428 out of allocate_reg_info.
5429 (allocate_reg_info): Move these two variables outside the function.
5430 Move code to free memory into new function free_reg_info.
5431 (free_reg_info): New function, broken out of allocate_reg_info.
5432 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
5433 * rtl.h (allocate_reg_info): Don't declare.
5434 (free_reg_info): Declare.
5436 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
5438 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
5440 * toplev.c (compile_file): Temporarily revert last change.
5442 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
5444 * c-typeck.c (convert_for_assignment): Parenthesize.
5446 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5448 * reload1.c (delete_output_reload): Avoid ambigous else.
5450 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
5452 * toplev.c (compile_file): Call allocate_reg_info to free register
5454 * rtl.h (allocate_reg_info): Declare.
5456 * PROJECTS: Remove entry for local spilling.
5458 * final.c (cleanup_subreg_operands): New function.
5459 (final_scan_insn): Use it.
5460 (alter_subreg): Clear the "used" field when we turn a SUBREG into
5462 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
5463 operands when reload has finished.
5464 * reload.h (cleanup_subreg_operands): Declare..
5465 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
5466 reload. Handled in reload itself.
5468 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5470 * reload1.c (verify_initial_offsets): New function.
5471 (reload): Call it after reload_as_needed. Also verify that the frame
5472 size stays constant during reload_as_needed.
5473 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
5475 * reload.h (struct insn_chain): Add need_operand_change element.
5476 * reload1.c (new_insn_chain): Clear it.
5477 (calculate_needs_all_insns): Set it; don't overload need_reload.
5478 (reload_as_needed): Use it.
5480 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
5481 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
5482 and reload_address_index_reg_class.
5483 (find_reloads_address_1): Likewise.
5484 * reload.h (reload_address_base_reg_class,
5485 reload_address_index_reg_class): Don't declare.
5486 * reload1.c (reg_old_renumber, pseudo_previous_regs,
5487 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
5488 (used_spill_regs): Now static.
5489 (reload_address_base_reg_class, reload_address_index_reg_class,
5490 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
5491 basic_block_needs, max_needs, group_size, group_mode, max_groups,
5492 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
5495 (init_reload): Delete code to compute base/index reg classes.
5496 (reload): Delete variable J.
5497 Delete code to manage basic_block_needs.
5498 Don't compute regs_explicitly_used.
5499 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
5500 pseudo_previous_regs.
5501 Initialize bad_spill_regs_global.
5502 Don't call order_regs_for_reload here.
5503 Don't initialize spill_reg_order and n_spills.
5504 Don't forbid explicitly used regs to be used for spill regs.
5505 Change main loop to infinite loop, with explicit break statements.
5506 Make SOMETHING_CHANGED variable local to that loop.
5507 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
5508 max_groups_insn, max_nongroups_insn, group_size, group_mode.
5509 Make sure spilled_speudos is cleared before calling spill_hard_reg or
5511 Don't call dump_needs.
5512 Delete code to reset potential_reload_regs.
5513 Delete code to terminate loop conditional on the global needs variables
5514 showing no further needs.
5515 (calculate_needs_all_insns): Return void. All callers changed.
5516 Initialize somehing_needs_elimination here, not in reload.
5517 Delete avoid_return_reg kludge.
5518 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
5519 All callers changed.
5520 Initialize the group_mode and group_size elements of the arg CHAIN.
5521 Delete code to manage basic_block_needs.
5522 Operate on elements of CHAIN instead of global variables.
5523 Delete avoid_return_reg kludge.
5524 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
5525 All callers changed.
5526 Operate on elements of CHAIN instead of global variables.
5527 Delete special SMALL_REGISTER_CLASSES code.
5528 Delete spill_failure code; now in new_spill_reg.
5529 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
5530 All callers changed.
5531 Operate on elements of CHAIN instead of global variables.
5532 (maybe_mark_pseudo_spilled): New static function.
5533 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
5534 All callers changed.
5535 Operate on elements of CHAIN instead of global variables.
5536 Call order_regs_for_reload here, not in reload.
5537 Initialize spill_reg_order and n_spills.
5538 Simplify test whether an asm insn is involved.
5539 Delete spill_failure code; now in new_spill_reg.
5540 Call maybe_mark_pseudo_spilled for everything marked as live in
5541 CHAIN. Merge CHAIN's used_spill_regs into the global variable
5543 (dump_needs): Take CHAIN arg. No longer static, to prevent the
5544 compiler from optimizing this function (now unused) away.
5545 Operate on elements of CHAIN instead of global variables.
5546 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
5548 Operate on elements of CHAIN instead of global variables.
5549 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
5550 take CHAIN arg. All callers changed.
5551 Operate on elements of CHAIN instead of global variables.
5552 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
5553 CHAIN, NONGROUP args. Return void. All callers changed.
5554 Verify caller isn't trying to spill a pseudo.
5555 Simplify test for illegal reg, just use bad_spill_regs.
5556 Generate better error messages.
5557 Operate on elements of CHAIN instead of global variables.
5558 Mark spilled register in CHAIN's used_spill_regs element.
5559 Don't call spill_hard_reg.
5560 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
5561 Mark spilled hard regs in bad_spill_regs_global.
5562 Mark affected pseudos in spilled_pseudos, but don't spill them.
5563 (ior_hard_reg_set): New static function.
5564 (finish_spills): Return int. All callers changed.
5565 Compute spill_reg_order, n_spills and spill_regs here. Also update
5566 regs_ever_live for regs used as spills.
5567 For every pseudo in spilled_pseudos, spill it and mark the previous
5568 hard reg it had in pseudo_previous_regs. Compute which hard regs
5569 arseudo): New static function.
5570 (order_regs_for_reload): Take CHAIN arg. All callers changed.
5571 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
5572 hard registers explicitly used across the current insn into the set.
5573 Compute hard_reg_n_uses taking only pseudos live across this insn
5575 Tweak sorting of potential_reload_regs.
5576 (compare_spill_regs): Delete function.
5577 (reload_as_needed): Don't sort the spill_regs array, it's computed
5578 in proper order in finish_spills.
5579 Delete avoid_return_reg kludge.
5580 Delete code to manage basic_block_needs.
5581 (allocate_reload_reg): Minor speed/readability tweaks.
5582 Operate on elements of CHAIN instead of global variables.
5583 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
5584 Delete avoid_return_reg kludge.
5585 Initialize reload_reg_used from CHAIN's used_spill_regs element.
5586 Delete unused label FAIL.
5587 (reload_combine): Replce reload_address_index_reg_class with
5589 Don't use used_spill_regs to determine information about lifetime of
5592 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
5594 * toplev.c (display_help): Ignore empty target specific
5595 options, and if -W is also specified on the command line then
5596 display undocumented options.
5598 * config/arm/arm.c: Updated with changes in devo sources.
5599 * config/arm/arm.h: Updated with changes in devo sources.
5600 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
5601 * config/arm/lib1thumb.asm: Add ELF support.
5603 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
5605 * collect2.c (aix64_flag): New variable.
5606 (main, case 'b'): Parse it.
5607 (GCC_CHECK_HDR): object magic number must match mode.
5608 (scan_prog_file): Only check for shared object if valid header.
5609 Print debugging if header/mode mismatch.
5611 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
5613 Added support for arm-elf-linux configuration, submitted by Philip
5614 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
5615 code developed by Catherine Moore <clm@cygnus.com>. The following
5618 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
5621 * configure: Regenerated.
5623 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
5624 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
5625 definitions conditional on their not having been already defined.
5627 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
5628 and .type directives, and add "(PLT)" qualification to function
5631 * config/arm/linux.h: Deleted. This file is now superceeded by
5632 either linux-elf.h or linux-aout.h.
5634 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
5635 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
5637 Move definitions from old linux.h file here.
5639 * config/arm/elf.h: New file. Generic ARM/ELF support.
5641 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
5643 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
5645 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
5646 using the 26bit APCS.
5648 * config/arm/unknown-elf.h: New file. Support for OS'es other
5649 than Linux with ELF.
5651 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
5654 * config/arm/coff.h: Include aout.h for basic assembler macros.
5655 Add support for -mstructure_size_boundary=<n> command line option.
5657 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
5658 command line option. Make macro definitions conditional on their
5659 not having been already defined.
5661 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
5662 command line option.
5665 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
5667 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
5668 has been changed to not include a newline. Use this macro instead.
5669 (output_enumeral_list, const_value_attribute, name_attribute,
5670 comp_dir_attribute, prototyped_attribute, producer_attribute,
5671 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
5672 dwarfout_file_scope_decl, generate_new_sfname_entry,
5673 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
5674 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
5676 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
5678 * combine.c (subst): Process the inputs to a parallel asm_operands
5681 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
5683 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
5685 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
5687 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
5689 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
5691 * version.c: Bump for snapshot.
5693 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5695 * stmt.c (expand_fixup): Set fixup->before_jump to a
5696 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
5698 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5700 * Makefile.in (recog.o): Depend on toplev.h.
5701 (insn-emit.o): Depend on recog.h.
5702 (insn-peep.o): Depend on recog.h and insn-config.h.
5704 * combine.c (simplify_set): Remove unused variable `scratches'.
5706 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
5707 and `idx' in macro conditional controlling their use.
5709 * genemit.c (main): Make the generated output file include
5710 recog.h. Don't have it declare `insn_operand_constraint', since
5711 we get it from recog.h.
5713 * genpeep.c (main): Make the generated output file include
5714 insn-config.h and recog.h.
5716 * recog.c: Include toplev.h.
5717 (extract_insn): Remove unused variable `p'.
5719 * regclass.c (fix_register): Add missing braces around initializer
5721 (allocate_reg_info): Move variable `i' into the scope where it is
5722 used. Change its type to `size_t'.
5724 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5726 * reload.c (push_reload): When merging reloads, make sure
5727 that reload_in_reg and reload_in are from the same reload in
5730 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
5732 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
5733 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5735 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
5737 * loop.c (loop_has_tablejump): New variable.
5738 (prescan_loop): Scan for it.
5739 (insert_bct): Replace explicit scan with use of it.
5740 * regclass.c (regclass): Restore loop variable j.
5741 (record_reg_classes): Deterine op_types modifiers and initialize
5742 classes[i] before matching constraints. Handle matching
5745 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
5747 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
5750 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5752 * mips.h (EXTRA_SPECS): Add missing initializers.
5754 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5756 * sparc.h (EXTRA_SPECS): Add missing initializers.
5757 (sparc_defer_case_vector): Provide a prototype.
5759 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
5760 comparing it to the result of a pointer subtraction.
5762 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5764 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
5765 the argument to (unsigned char).
5767 * alpha.h (EXTRA_SPECS): Add missing initializers.
5768 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
5771 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
5773 * flow.c (life_analysis_1): Enable "rescan" code after reload.
5774 (propagate_block): Delete dead code after reload.
5776 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
5777 back Oct 15, 1998 change.
5778 * haifa-sched.c (update_flow_info): Likewise.
5779 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
5781 * mn10200.md (truncated shift): Accept constant inputs too.
5783 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
5785 * machmode.h (mode_mask_array): No longer const.
5786 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
5788 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5790 * frame.c: Somewhat explain `FDE'.
5791 Suggested by Brendan Kehoe
5793 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5795 * expr.c (pending_chain): Move up.
5796 (save_expr_status): Do save pending_chain.
5797 (restore_expr_status): And restore it.
5798 * function.h (struct function): Add pending_chain.
5800 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5802 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
5803 did not match the code.
5805 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5807 * regclass.c (regclass): Break out some code into new function
5808 scan_one_insn, and into regclass_init.
5809 (init_cost): New static variable, moved out of regclass.
5810 (regclass_init): Initialize it here, not in .
5811 (scan_one_insn): New static function, broken out of regclass.
5812 * recog.c (apply_change_group): Break out some code into new
5813 function insn_invalid_p.
5814 (insn_invalid_p): New static fn, broken out of apply_change_group.
5816 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
5818 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
5819 reg_reloaded_contents matches incremented pseudo.
5821 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
5823 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5825 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
5826 addressing modes with side effects. These are currently
5827 placeholders for the C4x target.
5829 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5831 * loop.c (express_from): Make sure that when generating a PLUS of
5832 a PLUS, any constant expression appears on the outermost PLUS.
5834 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
5836 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
5837 works if "$(srcdir)" != ".".
5839 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
5841 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
5842 existing SUBREG if we can, otherwise abort.
5844 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
5846 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
5847 `restrict' is applied to a non-pointer variable.
5849 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
5851 * invoke.texi: Document -flang-isoc9x.
5853 * Makefile.in (OBJS): Add splay-tree.o.
5854 (c-common.o): Depend on rtl.h.
5855 (splay-tree.o): List dependencies and provide build rule.
5857 * rtl.h (record_alias_subset): New function.
5858 * alias.c: Include splay-tree.h.
5859 (alias_set_entry): New type.
5860 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
5861 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
5862 (mems_in_disjoin_alias_sets_p): New function.
5863 (alias_set_compare): Likewise.
5864 (insert_subset_children): Likewise.
5865 (get_alias_set_entry): Likewise.
5867 * tree.h (TYPE_RESTRICT): New macro.
5868 (TYPE_UNQUALIFIED): New manifest constant.
5869 (TYPE_QUAL_CONST): Likewise
5870 (TYPE_QUAL_VOLATILE): Likewise.
5871 (TYPE_QUAL_RESTRICT): Likewise.
5872 (tree_type): Add restrict_flag. Reduce count of free bits.
5873 (DECL_POINTER_ALIAS_SET): New macro.
5874 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
5875 (tree_decl): Add pointer_alias_set.
5876 (build_qualified_type): New function.
5877 (build_type_variant): Define in terms of build_qualified_type.
5878 * tree.c (set_type_quals): New function.
5879 (make_node): Initializae DECL_POINTER_ALIAS_SET.
5880 (build_type_attribute_variant): Use build_qualified_type and
5882 (build_type_variant): Rename, and modify, to become...
5883 (build_qualified_type): New function.
5884 (build_complex_type): Use set_type_quals.
5886 * c-tree.h (C_TYPE_OBJECT_P): New macro.
5887 (C_TYPE_FUNCTION_P): Likewise.
5888 (C_TYPE_INCOMPLETE_P): Likewise.
5889 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
5890 (c_apply_type_quals_to_decl): New function.
5891 (c_build_qualified_type): New function.
5892 (c_build_type_variant): Define in terms of c_build_qualified_type.
5893 (flag_isoc9x): Declare.
5894 * c-typeck.c (qualify_type): Use c_build_qualified_type.
5895 (common_type): Change to use TYPE_QUALS.
5896 (comptypes): Likewise.
5897 (convert_for_assignment): Likewise.
5898 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
5899 * c-decl.c (flag_isoc9x): Define.
5900 (c_decode_option): Handle -flang-isoc9x.
5901 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
5902 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
5903 * c-lex.c (init_lex): Deal with restrict.
5904 (init_lex): Don't treat restrict as a reserved word in
5905 -traditional mode, or without -flang-isoc9x.
5906 * c-lex.h (rid): Add RID_RESTRICT.
5907 * c-parse.gperf (restrict, __restrict, __restrict__): Make
5908 equivalent to RID_RESTRICT.
5909 * c-parse.in (TYPE_QUAL): Update comment.
5910 * c-common.c: Include rtl.h.
5911 (c_find_base_decl): New function.
5912 (c_build_type_variant): Rename, and modify, to become ...
5913 (c_build_qualified_type): New function.
5914 (c_apply_type_quals_to_decl): Likewise.
5915 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
5916 a particular alias set for the reference.
5917 * toplev.c (documented_lang_options): Add -flang-isoc9x.
5919 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
5921 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
5922 command line switches.
5924 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
5926 * reload.c (loc_mentioned_in_p): Add missing braces to bind
5929 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
5931 * gcc.c (option_map): Added --classpath and --CLASSPATH.
5933 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
5935 * regclass.c (fix_register): Add error message.
5936 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
5939 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5941 * c-decl.c (warn_missing_noreturn): New global variable.
5942 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
5943 (finish_function): Implement missing noreturn warning.
5945 * c-tree.h (warn_missing_noreturn): Declare extern.
5947 * invoke.texi: Document new flags.
5949 * toplev.c (documented_lang_options): Add description.
5951 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5953 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
5954 loop optimization stable for the C4x.
5955 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
5956 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
5957 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
5959 (c4x_address_conflict): Be more paranoid when packing a volatile
5960 memref in a parallel load/store.
5962 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5964 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
5965 repeat_block_filler): Deleted.
5966 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
5967 Condition code not set if destination register from 'c' class.
5968 (*subbqi3_carry_clobber): Fix typo.
5970 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5972 * reorg.c (steal_delay_list_from_target) Check for insns that
5973 modify the condition codes and effect the direction of the jump
5976 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
5978 * function.c (purge_addressof_1): Replace call to
5979 emit_insns_before() with emit_insn_before().
5981 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
5983 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
5985 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5987 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
5989 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
5991 * gcse.c (compute_hash_table): Correctly identify hard regs which are
5992 clobbered across calls.
5994 * loop.c (scan_loop): Be more selective about what invariants are
5995 moved out of a loop.
5997 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
5999 * version.c: Bump for snapshot.
6001 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
6003 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
6004 static eh_context structure.
6006 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6008 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
6010 (try_combine): Don't update max_scratch.
6011 * flow.c (max_scratch, num_scratch): Delete variables.
6012 (life_analysis_1): Don't initialize max_scratch.
6013 (propagate_block): Don't update max_scratch.
6014 (mark_set_1): Don't increment num_scratch.
6015 * regs.h (max_scratch): Delete declaration.
6017 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
6019 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
6020 is nonzero. This is temporary!
6022 * sched.c (update_flow_info): Handle death notes made invalid by
6023 instruction splitting. Partially reverts Oct 15, 1998 patch.
6024 * haifa-sched.c (update_flow_info): Likewise.
6026 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
6028 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
6029 if it has a nonzero DECL_INITIAL.
6031 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6033 * Makefile.in (flow.o): Depend on recog.h.
6035 * cpplib.h (directive_table): Add missing initializiers.
6036 (finclude): Change type of variable `bsize' to size_t.
6038 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
6040 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
6042 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
6043 `int' when comparing against one.
6044 (cpp_file_line_for_message): Mark parameter `pfile' with
6046 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
6048 * flow.c: Include recog.h.
6049 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
6051 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
6052 `f' with ATTRIBUTE_UNUSED.
6053 (reposition_prologue_and_epilogue_notes): Likewise.
6055 * genopinit.c (gen_insn): Cast argument of ctype functions to
6058 * haifa-sched.c: Include recog.h.
6059 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
6060 comparing against one.
6062 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
6064 * mips-tfile.c (parse_end): Cast the argument of ctype function to
6066 (parse_ent): Likewise.
6067 (parse_input): Likewise.
6069 * optabs.c (init_libfuncs): Likewise.
6071 * protoize.c (find_rightmost_formals_list): Likewise.
6073 * recog.h (const_double_operand): Fix typo in prototype.
6075 * tlink.c (scan_linker_output): Cast the argument of ctype
6076 function to `unsigned char'.
6078 * toplev.c (check_lang_option): Cast the result of `strlen' to
6079 `int' when comparing against one.
6081 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
6083 * gcse.c (dump_cuid_table): Correct typo.
6085 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
6087 * toplev.c (display_help): Prepend '-m' to target specific
6089 (check_lang_option): Ignore text after end of first word of a
6090 language specific option.
6092 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6094 * reload1.c (reg_used_by_pseudo): New static variable.
6095 (choose_reload_regs): Initialize it.
6096 Use it instead of testing spill_reg_order to determine whether a
6097 pseudo is live in a hard register across the current insn.
6098 Fix a typo in a reference to reload_reg_rtx.
6100 * flow.c (propagate_block): Replace code that computes and uses
6101 regs_sometimes_live with simpler code that just walks the set of
6102 currently live registers.
6104 * Makefile.in (insn-extract.o): Fix dependencies.
6105 * genextract.c (main): Generate includes for insn-config.h and
6107 Delete generation of declarations which are now in recog.h.
6108 * genrecog.c (main): Delete generation of definitions which are
6110 * local-alloc.c (block_alloc): Use extract_insn and the variables
6111 it sets up instead of looking up values by insn_code.
6112 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
6113 recog_dup_num): Define here instead of generating the definition in
6115 (recog_n_operands, recog_n_dups, recog_n_alternatives,
6116 recog_operand_mode, recog_constraints, recog_operand_address_p):
6118 (extract_insn): New function.
6119 * recog.h (extract_insn): Declare function.
6120 (which_alternative, recog_n_operands, recog_n_dups,
6121 recog_n_alternatives, recog_operand_mode, recog_constraints,
6122 recog_operand_address_p): Declare variables.
6123 * regclass.c (n_occurrences): New static function.
6124 * reload.c (n_occurrences): Delete function.
6125 (find_reloads): Use extract_insn.
6126 * reload.h (n_occurrences): Delete declaration.
6128 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
6130 * reload1.c (reload_as_needed): Fix test for when to call
6131 update_eliminable_offsets.
6133 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6135 Fix consistency problems with reg_equiv_{mem,address};
6136 Improve reload inheritance;
6138 * reload.c (reload_out_reg): New variable.
6139 (loc_mentioned_in_p, remove_address_replacements): New functions.
6140 (remove_replacements): Deleted.
6141 (push_reload): Set reload_out_reg[i].
6142 When merging, also set reload_{in,out}_reg[i], and remove
6143 duplicate address reloads.
6144 (combine_reloads): Copy reload_out_reg[i].
6145 (find_reloads): Do make_memloc substitution also when
6146 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
6148 Include *recog_operand_loc in commutativity operand changes.
6149 Generate optional output reloads.
6150 Delete reference to n_memlocs. Don't set *recog_operand_loc before
6151 processing operands. Call make_memloc in reg_equiv_address code.
6152 Set *recog_operand_loc only after processing operands, and only
6153 if replace is true. Return a value.
6154 When changing address reload types for operands that didn't get
6155 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
6156 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
6157 Don't emit USEs for pseudo SUBREGs when not replacing.
6158 (find_reloads_address): Do make_memloc substitution also when
6159 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
6161 (find_reloads_toplev): Likewise.
6162 Call make_memloc in reg_equiv_address code.
6163 (debug_reload_to_stream): Add code to output reload_out_reg.
6164 (make_memloc): Delete local variable i, ifdefed out code, and
6165 references to memlocs and n_memlocs.
6166 (memlocs, n_memlocs): Delete.
6167 (push_secondary_reload): Clear reload_out_reg.
6168 (find_reloads_address_1): Provide memrefloc argument to all calls
6169 to find_reloads_address.
6170 In AUTO_INC code, handle non-directly addressable equivalences properly.
6171 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
6172 (find_reloads): Add return type.
6173 (remove_address_replacements, deallocate_reload_reg): Declare.
6174 * reload1.c (num_not_at_initial_offset): No longer static.
6175 (delete_address_reloads, delete_address_reloads_1): Likewise.
6176 (deallocate_reload_reg): New function.
6177 (spill_reg_stored_to): New array.
6178 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
6179 (eliminate_regs_in_insn): Move assignments of previous_offset and
6180 max_offset fields, and recalculation of num_not_at_initial_offset
6181 into new static function:
6182 (update_eliminable_offsets) .
6183 (reload_as_needed): Call update_eliminable_offsetss after calling
6185 Call forget_old_reloads_1 with contents of reloaded auto_inc
6186 expressions if the actual addressing can't be changed to match the
6188 (choose_reload_regs): For inheritance, replace
6189 reload_reg_free_before_p test with reload_reg_used_at_all test, and
6190 remove stand-alone reload_reg_used_at_all test.
6191 Use reload_out_reg to determine which reload regs have output reloads.
6192 Treat reload_override_in more similar to inherited reloads.
6193 Handle (subreg (reg... for inheritance.
6194 For flag_expensive_optimizations, add an extra pass to remove
6195 unnecessary reloads from known working inheritance.
6196 Delete obsolete code for pseudos replaced with MEMs.
6197 Handle inheritance from auto_inc expressions.
6198 (emit_reload_insns): If reload_in is a MEM, set OLD to
6200 Don't reload directly from oldequiv; if it's a pseudo with a
6201 stack slot, use reload_in[j].
6202 Check that reload_in_reg[j] is a MEM before replacing reload_in
6203 from reg_reloaded_contents.
6204 Include non-spill registers in reload inheritance processing.
6205 Also try to use reload_out_reg to set spill_reg_store /
6206 reg_last_reload_reg.
6207 In code to set new_spill_reg_store, use single_set to find out if
6208 there is a single set.
6209 Add code that allows to delete optional output reloads.
6210 Add code to allow deletion of output reloads that use no spill reg.
6211 At the end, set reload_override_in to oldequiv.
6212 Also call delete_output_reload if reload_out_reg is equal to old
6214 Add code to call delete_output_reload for stores with no matching load.
6215 Set / use spill_reg_stored_to.
6216 Handle case where secondary output reload uses a temporary, but
6217 actual store isn't found.
6218 When looking for a store of a value not loaded in order to call
6219 delete_output_reload, count_occurences should return 0 for no
6220 loads; but discount inherited input reloadill_reg_stored_to.
6221 Do checks for extra uses of REG. Changed all
6223 Use delete_address_reloads.
6224 (reload): Take return value of find_reloads into account.
6225 If a no-op set needs more than one reload, delete it.
6226 (reload_reg_free_before_p): RELOAD_FOR_INPUT
6227 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
6228 for the same operand.
6229 (clear_reload_reg_in_use): Check for other reloads that keep a
6231 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
6232 RELOAD_FOR_OPADDR_ADDR.
6233 Take into account when an address address reload is only needed
6234 for the address reload we are considering.
6235 (count_occurrences): Use rtx_equal_p for MEMs.
6236 (inc_for_reload): Return instruction that stores into RELOADREG.
6237 New argument two, IN, and rtx. Changed all callers.
6238 (calculate_needs_all_insns, reload_as_needed):
6239 Don't clear after_call for a CLOBBER.
6240 Keep track of how many hard registers need to be copied from
6241 after_call, and don't clear after_call before we have seen
6242 that much copies, or we see a different instruction.
6244 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
6246 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
6247 after reload has completed.
6249 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
6251 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
6252 a macro name and the next token with a single blank if that whitespace
6253 is in a macro buffer and the next token is not '('.
6255 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
6257 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
6259 (skip_if_group): Ditto.
6260 (skip_to_end_of_comment): Ditto.
6262 (discard_comments): Ditto.
6263 (change_newlines): Ditto.
6265 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
6267 * c-lex.c (yylex): Fix unaligned access of wchar_t.
6269 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
6271 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
6272 (TARGET_OPTIONS): Add --help documentation.
6274 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6276 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
6278 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
6280 * fixinc/* Moved in from ../contrib directory in preparation
6281 for integrating it into the normal build process. In particular,
6282 fixinc/Makefile.in must be config-ed into the build directory
6283 as fixinc/Makefile. Proposed patches to ./Makefile.in and
6284 ./configure.in will be "in the mail" momentarily.
6286 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
6288 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
6289 accidently walk into the free list. Comment how that can happen.
6290 (invalidate): Fix indentation.
6292 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6293 Jeffrey A Law (law@cygnus.com)
6295 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
6296 reload. Never perform rescans of the insn chain after reload.
6297 (propagate_block): Do not delete insn or create new autoinc addressing
6300 * jump.c (jump_optimize): Unconditionally use the code that was
6301 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
6302 * reload1.c (reload): When reloading is finished, delete all
6303 REG_DEAD and REG_UNUSED notes.
6304 (emit_reload_insns): Delete all code that was conditional on
6305 PRESERVE_DEATH_INFO_REGNO_P.
6306 (no_longer_dead_regs): Delete variable.
6307 (reload_cse_delete_death_notes): Delete function.
6308 (reload_cse_no_longer_dead): Delete function.
6309 (reload_cse_regs_1): Delete all code to handle deletion of death
6311 (reload_cse_noop_set_p): Likewise.
6312 (reload_cse_simplify_set): Likewise.
6313 (reload_cse_simplify_operands): Likewise.
6314 (reload_cse_move2add): Likewise.
6315 * reorg.c (used_spill_regs): Delete declaration.
6316 (max_label_num_after_reload): Delete declaration.
6317 (find_dead_or_set_registers): Don't assume that spill regs are
6318 dead at a CODE_LABEL.
6319 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
6321 * sched.c (sched_analyze_insn): Likewise.
6322 (update_flow_info): Likewise.
6323 * haifa-sched.c (sched_analyze_insn): Likewise.
6324 (update_flow_info): Likewise.
6325 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
6326 * toplev.c (max_label_num_after_reload): Delete variable.
6327 (rest_of_compilation): Don't set max_label_num_after_reload.
6328 Call life_analysis after reload_cse_regs if optimizing.
6329 * config/gmicro/gmicro.h: Delete comment referring to
6330 PRESERVE_DEATH_INFO_REGNO_P.
6331 * config/i386/i386.h: Likewise.
6332 * config/m88k/m88k.h: Likewise.
6333 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
6334 * config/sh/sh.h: Likewise.
6336 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
6338 * loop.c (strength_reduce): Restore marking bct_p as
6340 * rs6000.c (optimization_options): Change #ifdef HAIFA to
6341 HAVE_decrement_and_branch_on_count.
6342 (small_data_operand): Remove TARGET_ELF condition for marking
6343 parameters ATTRIBUTE_UNUSED.
6345 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
6347 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
6348 (SELECT_SECTION): Resync with svr4.h.
6350 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
6352 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
6355 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
6357 * c-pragma.c (handle_pragma_token): Test for null tree before
6358 dereferencing TREE_CODE.
6360 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6362 * config/c4x/c4x.c: Convert to use GEN_INT.
6363 (c4x_parallel_process): Rework to handle new repeat loop structure.
6365 * config/c4x/c4x.md: Convert to use GEN_INT.
6366 (rptb_end): Convert to use GE test. Replace uses with clobbers.
6367 (decrement_and_branch_on_count): Likewise.
6369 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
6370 loop.c has the desired functionality.
6371 (rc_reg_operand): New prototype.
6373 * config/c4x/t-c4x: Can now build all front ends.
6375 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
6377 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
6379 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
6381 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
6382 * config/t-rtems: Do not install assert.h -- use newlib's.
6384 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6386 * combine.c (combine_instructions): When finished, call init_recog.
6387 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
6389 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
6391 * toplev.c: If flag_syntax_only, don't open or write assembler file.
6393 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6395 * cppalloc.c (memory_full): Mark function prototype with
6398 * demangle.h (collect_exit): Likewise.
6400 * fix-header.c (v_fatal, fatal): Likewise.
6402 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
6405 * gcov.c (print_usage): Likewise.
6407 * genattr.c (fatal, fancy_abort): Likewise.
6409 * genattrtab.c (fatal, fancy_abort): Likewise.
6411 * gencodes.c (fatal, fancy_abort): Likewise.
6413 * genconfig.c (fatal, fancy_abort): Likewise.
6415 * genemit.c (fatal, fancy_abort): Likewise.
6417 * genextract.c (fatal, fancy_abort): Likewise.
6419 * genflags.c (fatal, fancy_abort): Likewise.
6421 * genopinit.c (fatal, fancy_abort): Likewise.
6423 * genoutput.c (fatal, fancy_abort): Likewise.
6425 * genpeep.c (fatal, fancy_abort): Likewise.
6427 * genrecog.c (fatal, fancy_abort): Likewise.
6429 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
6430 __sjpopnthrow, __throw): Likewise.
6432 * objc/objc-act.c (objc_fatal): Likewise.
6434 * protoize.c (usage, aux_info_corrupted,
6435 declare_source_confusing): Likewise.
6437 * rtl.c (dump_and_abort): Likewise.
6439 * rtl.h (sets_cc0_p): Likewise.
6441 * toplev.c (float_signal, pipe_closed): Likewise.
6443 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6445 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
6446 when generating the decision tree for the general case.
6448 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
6449 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
6451 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6453 * Makefile.in (sched.o): Depend on recog.h.
6455 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
6456 (unsigned) when comparing against one.
6457 (find_base_value): Likewise.
6458 (record_base_value): Cast variable `regno' to (unsigned) when
6459 comparing against one. Cast the result of REGNO() macro to
6460 (unsigned) when comparing against one.
6461 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
6463 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
6464 variable where an unsigned index is needed.
6466 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
6467 before comparing against one.
6469 * collect2.c: Add prototypes for functions `error', `fatal' and
6470 `fatal_perror'. Make these functions take variable arguments
6471 instead of faking it with a fixed number of args.
6472 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
6475 * combine.c (can_combine_p): Mark parameter `pred' with
6477 (find_split_point): Cast variable `src' to (unsigned
6478 HOST_WIDE_INT) when comparing against one.
6479 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
6480 (simplify_logical): Likewise.
6481 (force_to_mode): Cast result of INTVAL() macro to (unsigned
6482 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
6483 HOST_WIDE_INT) in shift.
6484 (simplify_and_const_int): Cast result of INTVAL() macro to
6485 `unsigned HOST_WIDE_INT' when comparing against one.
6486 (merge_outer_ops): Cast variable const0 to `unsigned
6487 HOST_WIDE_INT' when comparing against the result of
6488 GET_MODE_MASK() macro.
6489 (simplify_comparison): Likewise for variable `c0'. Cast variable
6490 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
6491 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
6492 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
6493 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
6494 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
6495 comparing against one.
6496 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
6498 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
6499 macro to `unsigned HOST_WIDE_INT' when comparing against one.
6500 (output_block_move): Cast `sizeof' expression to (int) when
6501 comparing against one.
6502 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
6504 (save_restore_insns): Cast `base_offset' to `long' to match format
6505 specifier in fprintf.
6507 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
6508 to `enum machine_mode'.
6510 * flow.c (life_analysis_1): Remove unused variable `insn'.
6512 * gcc.c (translate_options): Move variables `j' and `k' into the
6513 scope in which they are used. Change their types to `size_t'.
6514 (set_spec): Cast the argument of ctype macro to `unsigned char'.
6515 (read_specs): Likewise.
6516 (process_command): Cast `sizeof' to (int) when comparing against one.
6517 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
6518 (handle_braces): Cast both sides of `==' expression to `long' to
6519 ensure sign matching.
6520 (main): Cast variable `i' to `int' when comparing against one.
6522 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
6523 int to size_t. Cast variable `i' to size_t when comparing against
6526 * genattrtab.c (convert_set_attr_alternative): Remove unused
6527 parameter `insn_code'. All callers changed.
6528 (convert_set_attr): Likewise.
6530 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
6531 size_t when comparing against one. Likewise for variable `len'.
6533 * global.c (global_alloc): Cast variable `max_regno' to size_t
6534 when comparing against one. Likewise for variable `max_allocno'.
6536 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
6538 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
6539 `set' with ATTRIBUTE_UNUSED.
6540 (find_free_reg): Cast `sizeof' expression to (int) when comparing
6543 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
6544 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
6545 (get_condition): Cast variable `const_val' to `unsigned
6546 HOST_WIDE_INT' when comparing against one. Cast unsigned
6547 expression to HOST_WIDE_INT when comparing against one.
6548 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
6549 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
6550 `unsigned' when comparing against one.
6552 * protoize.c (is_id_char): Change type of parameter `ch' to
6554 (munge_compile_params): Cast argument of ctype macro to (const
6556 (process_aux_info_file): Cast variable `aux_info_size' to int when
6557 comparing against one.
6558 (forward_to_next_token_char): Cast argument of ctype macro to
6559 `const unsigned char'.
6560 (edit_formals_lists): Likewise.
6561 (find_rightmost_formals_list): Likewise.
6562 (add_local_decl): Likewise.
6563 (add_global_decls): Likewise.
6564 (edit_fn_definition): Likewise.
6565 (do_cleaning): Likewise.
6566 (scan_for_missed_items): Likewise.
6567 (edit_file): Cast variable `orig_size' to (int) when comparing
6569 (main): Cast argument of ctype macro to `const unsigned char'.
6571 * recog.c (const_int_operand): Mark parameter `mode' with
6574 * regclass.c (record_reg_classes): Change type of variable `c' to
6575 `unsigned char'. Cast `char' array index to `unsigned char'.
6577 * reload.c (push_secondary_reload): Cast argument to
6578 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
6580 * reload1.c (calculate_needs): Cast `char' array index to
6582 (set_label_offsets): Change type of variable `i' to unsigned int.
6583 Cast result of XVECLEN() macro to unsigned when comparing against
6585 (mark_not_eliminable): Change type of variable `i' to unsigned.
6586 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
6587 when comparing against one.
6588 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
6589 comparing against one.
6590 (choose_reload_regs): Hide unused label `fail'.
6591 (reload_cse_simplify_operands): Cast `char' array index to
6593 (reload_combine_note_store): Mark parameter `set' with
6594 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
6596 (reload_cse_move2add): Remove unused variable `src2'.
6598 * sched.c: Include recog.h.
6599 (sched_note_set): Remove unused parameter `b'. All callers
6601 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
6602 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
6603 when comparing against one.
6605 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
6606 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
6607 comparing against one.
6609 * unroll.c (precondition_loop_p): Remove unused parameter
6610 `loop_end'. All callers changed.
6612 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6614 * reload1.c (maybe_fix_stack_asms): New static function.
6617 * reload.h (compute_use_by_pseudos): Declare.
6619 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
6620 (something_needs_reloads): Delete variable.
6621 (finish_spills): New function.
6622 (compute_use_by_pseudos): New function.
6624 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
6625 Use the reload_insn_chain instead of walking the rtl directly.
6627 (reload): Allocate and free spilled_pseudos.
6628 Ensure that all calls of spill_hard_reg are followed by a call to
6630 Use the insns_need_reload list instead of something_needs_reloads
6631 to find out if reload_as_needed must be called.
6632 Clear unused_insn_chains at the end.
6634 (calculate_needs_all_insns): Lose FIRST parameter. All callers
6636 Delete code to keep track of current basic block.
6637 Walk reload_insn_chain instead of the rtl structure. Build the
6638 insns_need_reload chain.
6639 Remember which insns need reloading/elimination by setting the
6640 appropriate fields in struct insn_chain, not by putting modes on the
6643 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
6644 arg INSN. All callers changed.
6645 Delete declaration of struct needs.
6646 Don't set something_needs_reloads.
6647 Record insn needs in the CHAIN argument.
6649 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
6651 (reload_as_needed): Lose FIRST arg. All callers changed.
6652 Walk the reload_insn_chain instead of the rtx structure.
6653 Delete code to keep track of current basic block.
6654 Rename one of the NEXT variables to OLD_NEXT.
6656 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
6658 (choose_reload_regs): Likewise.
6660 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
6663 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
6664 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
6665 (hard_regs_live, hard_regs_need_restore): Delete variables.
6666 (n_regs_saved): Now static.
6667 (referenced_regs, this_insn_sets): New variables.
6669 (setup_save_areas): Restructure the code a bit.
6671 (restore_referenced_regs): Delete function.
6672 (mark_referenced_regs): New function, similar to the old
6673 restore_referenced_regs, but mark registers in referenced_regs.
6675 (clear_reg_live): Delete function.
6676 (mark_set_regs): Renamed from set_reg_live. All callers changed.
6677 Only mark registers in this_insn_sets.
6679 (save_call_clobbered_regs): Rework this function to walk the
6680 reload_insn_chain instead of using the list of instructions directly.
6681 Delete code to keep track of register lives, compute live regs on the
6682 fly from information in the chain.
6683 Instead of calling restore_referenced_regs, use mark_referenced_regs,
6684 then walk the set it computes and call insert_restore as appropriate.
6686 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
6688 Restructure the code a bit. Test hard_regs_saved instead of
6689 hard_regs_need_restore.
6690 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
6691 args. All callers changed.
6692 Restructure the code a bit. Use TO_SAVE to determine which regs to
6693 save instead of more complicated test.
6694 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
6696 Create a new insn_chain structure for the new insn and place it
6699 * rtl.texi: Update documentation to reflect that reload no longer
6700 puts modes on the insns.
6702 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6704 * function.c (purge_addressof_1): Force the first argument of a
6705 CALL insn to memory.
6707 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
6709 * rtl.h: Delete duplicate prototypes. Add some missing
6711 * rtlanal.c: (for_each_rtx): Formatting tweak.
6713 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6715 * real.c (emdnorm and etoasc): Disable round to even for c4x target
6716 to be compatible with TI compiler.
6718 * Makefile.in (USER_H): Add va-c4x.h to definition.
6720 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
6722 * function.c (purge_addressof_1): Fix typo in inequality: do
6723 bitfield optimization for equal mode sizes.
6724 * expmed.c (store_bit_field): Don't take subregs of subregs in
6725 the movstrict case. Tidy a potential problem in the multi-word case.
6726 (extract_bit_field): Likewise.
6728 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6730 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
6732 Compute max_uid_for_flow by calling get_max_uid after the scan.
6733 (find_basic_blocks_1): Don't emit NOPs here.
6735 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
6737 * alias.c (base_alias_check): Accept new args for the modes of the
6738 two references. Use them to determine if an AND can overlap. Update
6740 (memrefs_conflict_p): Assume sizes are aligned, and uses them
6741 to determine if an AND can overlap.
6743 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
6745 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
6746 check. Add comment to document problems with TARGET_SUN_FPA version
6748 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
6750 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6752 * Makefile.in (gencheck.o): Depend on gansidecl.h.
6754 * c-common.c (print_char_table): Add missing initializers.
6755 (scan_char_table): Likewise.
6756 (time_char_table): Likewise.
6758 * c-decl.c (c_decode_option): Mark parameter `argc' with
6760 (declare_parm_level): Mark parameter `definition_flag' with
6763 * c-lex.c (readescape): Use `(unsigned)1' in shift.
6764 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
6767 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
6769 (emit_call_1): Mark parameters `fndecl' and `funtype' with
6771 (expand_call): Cast result of MIN() to (unsigned int) when
6772 comparing against an unsigned value.
6774 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
6776 (make_definition): Remove unused parameter `op'. All callers
6778 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
6779 comparing against the result of pointer arithmetic.
6781 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
6782 when comparing against one.
6784 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
6785 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
6787 (output_die): Move variable `i' into the scope in which it is
6788 used. Change its type to `unsigned'.
6789 (output_die): Cast the result of `strlen' to (int) when passing it
6790 to ASM_OUTPUT_ASCII().
6791 (output_pubnames): Likewise.
6792 (output_line_info): Likewise.
6794 * emit-rtl.c (global_rtl): Add missing initializers.
6796 * explow.c (promote_mode): Mark parameter `for_call' with
6799 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
6800 `unsigned HOST_WIDE_INT' when comparing against one.
6801 (synth_mult): Change type of variable `cost' to int.
6802 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
6804 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
6805 when comparing against one.
6806 (get_inner_reference): Change variable `alignment' to unsigned.
6807 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
6808 int) when comparing against one.
6809 (expand_builtin_setjmp): Change type of variable `i' to size_t.
6811 * fold-const.c (div_and_round_double): Cast BASE to
6812 (HOST_WIDE_INT) when comparing against one.
6814 * gencheck.c: Include gansidecl.h.
6815 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
6817 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
6818 `tcode' with ATTRIBUTE_UNUSED.
6820 * real.c (edivm): Cast constant value to (unsigned long) in
6821 expression compared against an unsigned value.
6823 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
6824 comparing against one.
6825 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
6826 when comparing against one.
6828 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
6829 (unsigned int) when comparing against one. Likewise for
6831 (smallest_mode_for_size): Likewise.
6832 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
6833 (restore_storage_status): Likewise.
6835 * toplev.c (debug_args): Add missing initializer.
6836 (f_options): Spelling correction. Add missing initializers.
6837 (documented_lang_options): Likewise.
6838 (debug_end_source_file): Mark parameter `lineno' with
6841 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
6842 `decl' and `type' with ATTRIBUTE_UNUSED.
6844 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
6845 when comparing against one.
6846 (assemble_variable): Mark parameter `top_level' with
6848 (assemble_external_libcall): Mark parameter `fun' with
6850 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
6853 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
6855 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
6856 Replace use of r5 with use of r19.
6858 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
6860 * config/v850/v850.c (compute_register_save_size): Allow for the
6861 fact that helper functions save all registers, not just those used
6864 Replace constant 31 with macro LINK_POINTER_REGNUM.
6866 * config/v850/v850.md: Use 'indirect_operand' rather than
6867 'memory_operand' for bit test/set/clear patterns.
6869 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
6871 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
6872 * varasm.c (assemble_start_function et al): Don't call
6873 ASM_GLOBALIZE_LABEL for weak symbols.
6875 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
6877 * cse.c (equiv_constant): Check for NULL return from
6878 gen_lowpart_if_possible().
6880 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
6882 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
6884 * collect2.c (main): Pass -EL/-EB through to the compiler.
6886 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6888 * expr.c (push_block): Handle targets where the stack grows
6889 to higher addresses, but args grow to lower addresses and
6890 ACCUMULATE_OUTGOING_ARGS is not defined.
6892 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
6894 * config/v850/v850.c (print_operand): Extend meaning
6895 of 'c' operands to support .vtinherit.
6897 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6899 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
6900 Added ATTRIBUTE_UNUSED to unused function arguments.
6901 (rc_reg_operand): New predicate.
6902 (c4x_rptb_insert): New function.
6903 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
6904 (c4x_optimization_options): New function.
6906 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
6907 (decrement_and_branch_on_count): New pattern.
6908 (rptb_top): Modified pattern to work with BCT optimization.
6910 * config/c4x/c4x.h (RC_REG): New register class.
6911 (rc_reg_operand): Define prototype.
6912 (IS_RC_REG): New macro.
6913 (IS_RC_OR_PSEUDO_REG): New macro.
6914 (IS_RC_OR_PSEUDO_REGNO): New macro.
6915 (OPTIMIZATION_OPTIONS): Define.
6917 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
6919 * collect2.c (extract_init_priority): No priority is 65535.
6921 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6923 * Makefile.in (build_tooldir): new variable, same as old
6924 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
6925 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
6926 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
6928 * configure.in (gxx_include_dir): set default based on unlibsubdir
6929 * Makefile.in (tooldir): ditto
6930 (cccp.o, cpplib.o): use unlibsubdir implicitly through
6931 gxx_include_dir, includedir and tooldir
6932 (protoize.o, unprotoize.o): ditto
6934 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
6936 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
6938 * config/arm/thumb.c (thumb_override_options): Add warning about
6939 PIC code not being supported just yet.
6941 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
6943 * flow.c: Update comment.
6944 (notice_stack_pointer_modification): New static function.
6945 (record_volatile_insns): Use it.
6946 (mark_regs_live_at_end): Mark the stack pointer as alive
6947 at the end of the function if current_function_sp_is_unchanging
6949 (life_analysis_1): Set current_function_sp_is_unchanging.
6950 * function.c: Define it.
6951 (init_function_start): Initialize it.
6952 * output.h: Declare it.
6953 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
6954 the stack pointer as alive at the end of the function if
6955 current_function_sp_is_unchanging is set.
6956 * i386.c (ix86_epilogue): Optimize the restoring
6957 of the stack pointer.
6959 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
6961 * version.c: Bump for snapshot.
6963 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
6965 * c-pragma.c (handle_pragma_token): If passed a token instead
6966 of a tree, use that as the pack value.
6968 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
6970 * flow.c (find_basic_blocks_1): Fix prototype.
6972 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
6974 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
6975 (struct tree_decl): New fields no_check_memory_usage.
6976 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
6977 (init_attributes): Register it as a new attribute.
6978 (decl_attributes): Set flags on functions given that attribute.
6979 * c-decl.c (duplicate_decls): Merge new attribute.
6980 * expr.h (current_function_check_memory_usage): Declare new var.
6981 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
6982 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
6983 current_function_check_memory_usage.
6984 * function.h: Add field to struct function.
6985 * function.c (current_function_check_memory_usage): Define it.
6986 (push_function_context_to, pop_function_context_from): Save and
6988 (expand_function_start): Set it, based on global flag and function
6991 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
6992 check non-automatic variables, to permit detection of writes to
6993 read-only locations in embedded systems without memory management.
6994 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
6995 when emitting chkr_set_right_libfunc call, even if the argument is
6996 BLKmode or variable-sized; don't abort.
6998 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
6999 symbols in Pmode, not VOIDmode.
7001 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7003 * cppexp.c: When forcing unsigned comparisons, cast both sides
7006 * cpphash.h: Move static declaration of hashtab[]...
7007 * cpphash.c: ...here.
7009 * cpplib.c: Cast difference of two pointers to size_t before
7010 comparing it to size_t. Cast signed to unsigned
7011 before comparing to size_t. (FIXME: struct argdata should use
7012 unsigned buffer sizes.)
7013 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
7014 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
7015 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
7016 size_t before comparison.
7018 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
7020 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
7021 (find_basic_blocks_1): Similarly.
7022 * output.h (find_basic_blocks): Fix prototype.
7023 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
7024 find_basic_blocks anymore.
7026 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
7028 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
7029 (sbitmap_free, sbitmap_vector_free): New macros.
7030 * output.h (rtl_dump_file): Declare.
7032 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
7034 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
7036 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7038 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
7040 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
7041 (divide): Remove unused variable `tmp'.
7042 (si_to_float): Cast numeric constant to (SItype) before comparing
7045 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
7047 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
7048 * gcc.c (add_preprocessor_option): Correct typo when allocating
7049 memory, sizeof() argument had one too many `*'.
7050 (add_assembler_option): Likewise.
7051 (add_linker_option): Likewise.
7052 * gcov.c (output_data): Likewise.
7053 * local-alloc.c (memref_used_between_p): Likewise.
7054 (update_equiv_regs): Likewise.
7055 * loop.c (strength_reduce): Likewise.
7056 * reg-stack.c (record_asm_reg_life): Likewise.
7057 (subst_asm_stack_reg): Likewise.
7058 * reorg.c (dbr_schedule): Likewise.
7060 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7062 * flow.c (life_analysis_1): Break out some functions.
7063 (find_basic_blocks_1): Likewise. Also move some variables out and
7065 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
7066 new static var nonlocal_label_list with it.
7067 (active_eh_region, nested_eh_region, label_value_list,
7068 nonlocal_label_list): New static variables.
7069 (make_edges, delete_unreachable_blocks, delete_block): New static
7070 functions, broken out of find_basic_blocks_1.
7071 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
7072 noop_move_p): New static functions, broken out of life_analysis_1.
7074 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
7076 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
7077 Take extra care for op0 now possibly being a subreg.
7078 (extract_bit_field): Likewise.
7079 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
7080 the reg to memory if there is no equal sized integral mode.
7081 * stor-layout.c (int_mode_for_mode): New function.
7082 * machmode.h: Prototype it.
7084 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
7086 * global.c (build_insn_chain): Verify no real insns exist past the
7087 end of the last basic block, then exit the loop.
7089 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
7091 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
7093 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
7095 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
7097 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
7099 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
7101 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
7103 * flow.c (find_basic_blocks): Correctly determine when a call
7104 is within an exception region.
7106 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
7108 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
7110 * cpplib.h: Protect from multiple inclusions.
7111 * cpplib.c: Fix minor formatting problems.
7113 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
7115 * jump.c (jump_optimize): Revert accidental patch.
7117 * Makefile.in (cpplib.o): Use unlibsubdir.
7119 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
7121 * loop.c (get_condition): Allow combine when either compare is
7124 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
7126 * version.c: Bump for snapshot.
7128 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
7130 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
7131 (init_lex): Initialize ridpointers[RID_BYREF].
7132 * c-lex.h (enum rid): Add RID_BYREF.
7133 * c-parse.gperf: Add RID_BYREF as a type qualifier.
7134 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
7135 (encode_type_qualifiers): Similarly
7136 * c-gperf.h: Rebuilt.
7138 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
7140 * c-common.c (type_for_mode): Only return TItype nodes when
7141 HOST_BITS_PER_WIDE_INT is >= 64 bits.
7142 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
7143 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
7144 (init_decl_processing): Only create TItype nodes when
7145 HOST_BITS_PER_WIDE_INT is >= 64 bits.
7146 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
7147 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
7149 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7151 * stmt.c (n_occurrences): New static function.
7152 (expand_asm_operands): Verify that all constrains match in the
7153 number of alternatives.
7154 Verify that '+' or '=' are at the beginning of an output constraint.
7155 Don't allow '&' for input operands.
7156 Verify that '%' isn't written for the last operand.
7157 * reload.c (find_reloads): Abort if an asm is found with invalid
7158 constraints; all possible problems ought to be checked for earlier.
7160 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7162 * flags.h (flag_branch_on_count_reg): Always declare
7163 * toplev.c (flag_branch_on_count_reg): Likewise.
7164 * toplev.c: Fix typos.
7166 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
7169 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
7171 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
7173 (find_basic_blocks_1): Add a nop to the end of a basic block when
7174 a trailing call insn does not have abnormal control flow.
7175 * gcse.c (pre_transpout): New variable.
7176 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
7177 (compute_pre_transpout): Calculate it.
7178 (compute_pre_ppinout): Use it to eliminate impossible placements
7179 due to abnormal control flow through calls.
7180 (compute_pre_data): Call compute_pre_transpout.
7182 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7184 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
7186 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
7188 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
7189 and matching define_insns): Tack on a `use' of the table label, so
7190 flow analysis will recognize a tablejump.
7192 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
7194 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
7195 always end basic blocks for abnormal edge reasons.
7197 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
7199 * config/i386/i386.h: Remove definition of
7200 HANDLE_PRAGMA_PACK_PUSH_POP.
7202 * config/i386/go32.h: Add definition of
7203 HANDLE_PRAGMA_PACK_PUSH_POP.
7205 * config/i386/win32.h: Add definition of
7206 HANDLE_PRAGMA_PACK_PUSH_POP.
7208 * config/i386/cygwin32.h: Add definition of
7209 HANDLE_PRAGMA_PACK_PUSH_POP.
7211 * c-pragma.c (insert_pack_attributes): Do not insert
7212 attributes unless #pragma pack(push,<n>) is in effect.
7214 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
7216 * expr.c (emit_group_store): Handle a PARALLEL destination.
7218 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
7220 * gcse.c (pre_insert_insn): When a call ends a bb, insert
7221 the new insns before the argument regs are loaded.
7223 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7225 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
7226 (c-parse.gperf): Update comments describing invocation flags.
7227 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
7229 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
7231 * reload1.c (reload): Call free before clobbering the memory
7232 locations or constants pointers.
7234 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7236 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
7237 for efficiency by checking whether we need to modify the current
7238 stack permission at all.
7239 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
7240 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
7241 __enable_execute_stack libcall here too if
7242 TRANSFER_FROM_TRAMPOLINE is defined.
7243 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
7246 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
7248 * Makefile.in (DRIVER_DEFINES): Remove last change.
7250 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7252 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
7253 insns we're going to copy.
7254 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
7256 * loop.c (count_one_set): Add prototype.
7258 * caller-save.c (restore_referenced_regs): Lose mode argument.
7259 (insert_save): Lose mode argument.
7260 (insert_restore): Lose mode argument.
7261 (insert_one_insn): Lose mode argument.
7262 (save_call_clobbered_regs): Lose mode argument.
7263 (setup_save_areas): Take no argument and return void. All callers
7265 Don't verify validity of memory addresses.
7266 * reload.h (setup_save_ares): Adjust prototype.
7267 (save_call_clobbered_regs): Likewise.
7268 * reload1.c (delete_caller_save_insns): New function.
7269 (caller_save_spill_class): Delete variable.
7270 (caller_save_group_size): Delete variable.
7271 (reload): Call setup_save_areas and save_call_clobbered_regs
7272 in the main loop, before calling calculate_needs_all_insns.
7273 Don't call save_call_clobbered_regs after the loop.
7274 Call delete_caller_save_insns at the end of an iteration if
7276 Delete code to manage caller_save_spill_class.
7277 Emit the final note before setting reload_first_uid.
7278 Simplify test that determines whether reload_as_needed gets run.
7279 (calculate_needs): Delete code to manage caller_save_spill_class.
7281 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
7283 * collect2.c (main): Initialize ld_file_name.
7285 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
7287 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
7288 check for flag_function_sections.
7290 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7292 * cse.c (insert_regs): Fix bug in Sep 24 change.
7294 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7296 * flags.h (flag_dump_unnumbered): Declare.
7297 * toplev.c (flag_dump_unnumbered): Don't declare.
7298 * print-rtl.c (flags.h): Include.
7299 (print_rtl_single): Add return value.
7300 * rtl.h (print_rtl_single): Update declaration.
7301 * flow.c (flag_dump_unnumbered): Don't declare.
7302 (print_rtl_with_bb): Use return value of print_rtl_single.
7304 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7306 * loop.c (count_one_set): New static function, broken out of
7308 (count_loop_regs_set): Call it.
7309 * global.c (mark_reg_store): Handle clobbers here by not calling
7311 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
7312 is in fact a clobber.
7313 * integrate.c (process_reg_param): New function, broken out of
7314 expand_inline_function.
7315 (expand_inline_function): Call it.
7318 * i386.md (addsidi3_1): Delete unused variable temp.
7319 (addsidi3_2): Likewise.
7320 (clstrstrsi): Delete unused variable addr1.
7322 * rtl.h: Don't declare any functions also declared in recog.h.
7324 * Makefile.in (stupid.o): Update dependencies.
7325 (global.o): Likewise.
7327 * global.c: Include reload.h
7328 (reg_becomes_live): New function.
7329 (reg_dies): New function.
7330 (build_insn_chain): New function.
7331 (global_alloc): Call build_insn_chain before calling reload.
7333 * reload.h (struct needs): New structure definition.
7334 (struct insn_chain): Likewise.
7335 (reload_insn_chain): Declare variable.
7336 (new_insn_chain): Declare function.
7339 * reload1.c (reload_startobj): New variable.
7340 (reload_insn_chain): New variable.
7341 (unused_insn_chains): New variable.
7342 (new_insn_chain): New function.
7343 (init_reload): Initialize reload_startobj, not reload_firstobj.
7344 (reload): Initialize reload_firstobj.
7345 Before returning, free everything on the reload_obstack.
7347 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
7348 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
7349 current_chain): New variables.
7350 (reg_where_born): Delete variable.
7351 (REG_WHERE_BORN): New macro.
7352 (find_clobbered_regs): New function.
7353 (stupid_life_analysis): Don't allocate/free reg_where_born.
7354 Allocate and free reg_where_born_exact, reg_where_born_clobber,
7355 reg_where_dead_chain.
7356 Use REG_WHERE_BORN instead of reg_where_born.
7357 While processing the insns, build the reload_insn_chain with
7358 information about register lifetimes.
7359 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
7360 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
7362 Compute and information about birth and death of pseudo registers in
7363 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
7364 Delete code to set elements of reg_where_born.
7366 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7368 * tree.def (GOTO_EXPR): Modified documentation.
7369 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
7372 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
7374 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
7375 loop_final_value, loop_comparison_code): No longer static.
7376 (unroll_loop): Delete loop_start_value update.
7377 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
7378 loop_final_value, loop_comparison_code): Extern.
7379 (loop_start_value): Delete extern.
7380 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
7381 loop_comparison_value, loop_comparison_code): Delete.
7382 (loop_optimize): Remove initialization for deleted variables.
7383 (strength_reduce): Delete analyze_loop_iterations call. Only call
7384 insert_bct if flag_branch_count_on_reg set.
7385 (analyze_loop_iterations): Delete.
7386 (insert_bct): Remove iteration count calculation. Move checks for
7387 viable BCT optimization to here. Obtain iteration count from
7388 loop_iterations and correct for unrolling. Check for enough
7389 iteration to be beneficial. Comment out runtime iteration count
7391 (insert_bct): Print iteration count in dump file. Remove
7392 loop_var_mode and use word_mode directly.
7394 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
7395 * rs6000.c (rs6000_override_options): Use it.
7396 (optimization_options): Enable use of flag_branch_on_count_reg.
7397 * rs6000.md (define_function_unit): Describe 604e.
7399 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7401 * loop.c (move_movables): Corrected threshold calculation for
7402 moved_once registers.
7404 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7406 * loop.c (combine_givs_p): Fix test for identical givs.
7408 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
7410 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
7411 call abort if the function is already defined.
7413 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
7415 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
7416 truncation is not a no-op.
7418 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
7420 * version.c: Bump for snapshot.
7422 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
7424 * version.c: Bump for snapshot.
7426 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
7428 * expmed.c (expand_divmod): Don't widen for computing remainder
7429 if we seem to have a divmod pattern for needed mode.
7431 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7433 * cpplib.c (macroexpand): Correct off-by-one error in handling
7436 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
7438 * combine.c (expand_field_assignment): Don't do bitwise operations
7439 on MODE_FLOAT; pun to MODE_INT if possible.
7441 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
7442 scott snyder <snyder@d0sgif.fnal.gov>
7444 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
7445 linker. Recognize mangled names in quotes.
7447 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7449 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
7450 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
7451 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
7452 (lshrsi3_extend, lshrsi3_extend2): Ditto.
7454 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7456 * function.c (purge_addressof_1): If trying to take a sub-word
7457 integral piece of a floating point mode, put it on the stack.
7459 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
7461 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
7463 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7465 * PROJECTS: Remove template friends.
7467 * collect2.c (sort_ids): Remove unused variable.
7469 * tm.texi (MATH_LIBRARY): Document.
7470 (NEED_MATH_LIBRARY): Remove.
7472 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
7473 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
7475 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
7477 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
7478 last_end to 0x7fffffff.
7480 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7482 * function.c (purge_addressof_1): Do not perform endianness
7483 corrections on bitpos, who we call will do it for us.
7485 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
7487 * h8300.c (WORD_REG_USED): Fix typo.
7488 (initial_offset): Use WORD_REG_USED.
7490 * h8300.c (handle_pragma): Fix typo.
7492 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7494 * caller-save.c (insert_save_restore): Break this function up
7495 into new functions insert_restore, insert_save and insert_one_insn.
7496 All callers changed.
7497 (insert_restore): New function, mostly broken out of
7498 insert_save_restore.
7499 (insert_save): Likewise.
7500 (insert_one_insn): Likewise.
7501 (restore_referenced_regs): New argument BLOCK. All callers changed.
7502 (save_call_clobbered_regs): Don't keep track of basic block boundaries
7503 in this function, do it in insert_one_insn instead.
7505 * reload1.c (reload): Break out some more pieces into separate
7507 (dump_needs): New function, broken out of reload.
7508 (set_initial_elim_offsets): Likewise.
7509 (init_elim_table): Likewise.
7510 (update_eliminables): Likewise.
7512 * global.c (global_alloc): Delete code to manage the scratch_list.
7513 * local-alloc.c (qty_scratch_rtx): Delete.
7514 (scratch_block): Delete.
7515 (scratch_list): Delete.
7516 (scratch_list_length): Delete.
7517 (scratch_index): Delete.
7518 (alloc_qty_for_scratch): Delete.
7519 (local-alloc): Update initialization of max_qty.
7520 Delete code to manage the scratch list.
7521 Delete code to allocate/initialize qty_scratch_rtx.
7522 (block_alloc): Don't allocate quantities for scratches.
7523 Delete code to manage the scratch list.
7524 * regs.h (scratch_list): Delete declaration.
7525 (scratch_block): Delete declaration.
7526 (scratch_list_length): Delete declaration.
7527 * reload1.c (reload): Delete code to manage the scratch list.
7528 (spill_hard_reg): Likewise.
7529 (mark_scratch_live): Delete.
7531 * recog.c (alter_subreg): Delete declaration.
7533 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
7535 * Makefile.in (cccp.o): Fix typo in last patch.
7537 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7539 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
7540 * config/sh/lib1funcs.asm (___set_fpscr): Add.
7542 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
7544 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
7545 NULL_RTX as an argument.
7547 * Makefile.in (unlibsubdir): Define.
7548 (DRIVER_DEFINES): Use unlibsubdir.
7549 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
7550 (stmp-fixinc): Similarly.
7552 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7554 * regmove.c (regmove_optimize): Add variable old_max_uid.
7555 At the end of the function, update basic_block_end.
7557 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7559 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
7560 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
7563 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
7565 * config/arm/arm.c: Improve interworking support.
7567 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7569 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
7570 copied from reload_out[r] .
7572 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
7574 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
7575 with more than three size ranges.
7577 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
7579 * rtl.c (mode_name): Add a null string at the end of the array.
7580 (mode_wider_mode): Change type to unsigned char.
7581 (mode_mask_array): New variable.
7582 (init_rtl): Update for mode_wider_mode type change.
7584 * rtl.h (mode_wider_mode): Change type to unsigned char.
7585 (mode_mask_array): Declare.
7586 (GET_MODE_MASK): Use mode_mask_array.
7588 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
7590 * calls.c (expand_call) : Encapsulate code into
7591 copy_blkmode_from_reg.
7592 * expr.c (copy_blkmode_from_reg): New function.
7593 * expr.h (copy_blkmode_from_reg): New function.
7594 * integrate.c (function_cannot_inline_p): We can inline
7596 (expand_inline_function): Use copy_blkmode_from_reg
7597 if needed. Avoid creating BLKmode REGs.
7598 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
7601 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
7603 * config/v850/v850.c: Add function prototypes.
7604 Add support for v850 special data areas.
7606 * config/v850/v850.h: Add support for v850 special data areas.
7608 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
7609 HANDLE_PRAGMA_PACK_PUSH_POP.
7610 (push_alignment): New function: Cache an alignment requested
7611 by a #pragma pack(push,<n>).
7612 (pop_alignment): New function: Pop an alignment from the
7614 (insert_pack_attributes): New function: Generate __packed__
7615 and __aligned__ attributes for new decls whilst a #pragma pack
7617 (add_weak): New function: Cache a #pragma weak directive.
7618 (handle_pragma_token): Document calling conventions. Add
7619 support for #pragma pack(push,<n>) and #pragma pack (pop).
7621 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
7622 are defined enable HANDLE_PRAGMA_PACK.
7623 Move 'struct weak_syms' here (from varasm.c).
7624 Add pragma states for push and pop pragmas.
7626 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
7629 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
7630 HANDLE_GENERIC_PRAGMAS.
7632 * varasm.c: Move definition of 'struct weak_syms' into
7634 (handle_pragma_weak): Deleted.
7636 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
7638 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
7640 * c-decl.c (start_function): Add invocation of
7641 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
7643 * tm.texi: Remove description of non-existant macro
7644 SET_DEFAULT_SECTION_NAME.
7646 (HANDLE_SYSV_PRAGMA): Document.
7647 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
7649 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
7651 * config.sub: Recognize i[34567]86-pc-udk as new target.
7652 * configure.in: Likewise.
7653 * config/i386/t-udk: New file.
7654 * config/i386/udk.h: New file.
7656 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
7658 * reorg.c (check_annul_list_true_false): Remove unused variables.
7659 (steal_delay_list_from_target): Add missing "used_annul" variable.
7660 (try_merge_delay_insns): Close out half formed comment.
7662 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7664 * cpplib.c (macroexpand): If arg->raw_before or
7665 arg->raw_after, remove any no-reexpansion escape at the
7666 beginning of the pasted token. Correct handling of whitespace
7667 markers and no-reexpand markers at the end if arg->raw_after.
7669 * toplev.c (documented_lang_options): Recognize -include,
7670 -imacros, -iwithprefix, -iwithprefixbefore.
7671 * cpplib.c (cpp_start_read): Process -imacros and -include
7672 switches at the same time and in command-line order, after
7673 initializing the dependency-output code. Emit properly nested
7674 #line directives for them. Emit a #line for the main file
7675 before processing these switches, and don't do it again
7678 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
7680 * function.c (purge_addressof_1): Use bitfield manipulation
7681 routines to handle mem mode < reg mode.
7683 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7685 * reorg.c (try_merge_delay_insns): Account for resources referenced
7686 in each instruction in INSN's delay list before trying to eliminate
7687 useless instructions. Similarly when looking at a trial insn's delay
7690 * reorg.c (check_annul_list_true_false): New function.
7691 (steal_delay_list_from_{target,fallthrough}): Call it and also
7692 refine tests for when we may annul if already filled a slot.
7693 (fill_slots_from_thread): Likewise.
7694 (delete_from_delay_slot): Return newly-created thread.
7695 (try_merge_delay_isns): Use its new return value.
7697 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
7699 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
7700 used to compute a giv or as some other non-counting use.
7702 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7704 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
7705 * local-alloc.c (find_free_reg): Use it.
7706 * global.c (find_reg): Likewise.
7707 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
7709 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
7710 * caller-save.c (init_caller_save): Use it.
7711 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
7713 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7715 * configure.in: Add --enable-cpplib option which uses cpplib
7716 for cpp, but doesn't link cpplib into cc1. Make help text
7717 capitalization consistent.
7718 * configure: Rebuilt.
7720 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
7722 * function.c (gen_mem_addressof): If the address REG is
7723 REG_USERVAR_P make the new REG be so also.
7724 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
7725 in an attempt to clarify slightly.
7727 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
7729 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
7730 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
7732 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
7734 * toplev.c: Fix last patch.
7736 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
7738 * loop.c (get_condition): Fix typo in May 9 change.
7740 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7742 * invoke.texi (-fexceptions): Merge 2 different descriptions.
7744 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7746 * toplev.c (documented_lang_options): Spelling corrections.
7748 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7750 * configure.in: new flags --with-ld and --with-as, equivalent
7751 to setting LD and AS environment variables. Test whether
7752 specified arguments are GNU commands, and report them with
7753 checking messages. Use the specified AS for configure
7756 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
7758 * gcc.c (find_a_file): when looking for `as' and `ld', return
7759 the DEFAULT program if it exists
7760 * collect2.c (main): use DEFAULT_LINKER if it exists
7762 * gcc.c (find_a_file): the test for existence of a full
7763 pathname was reversed
7765 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
7767 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
7768 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
7770 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
7772 * tree.h (TYPE_BINFO): Document.
7774 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
7776 * i386-coff.h (dbxcoff.h): Added.
7778 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
7780 * toplev.c: fix bad patch around flag_data_sections.
7782 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
7784 * reload1.c (reload): Use reload_address_index_reg_class and
7785 reload_address_base_reg_class when setting
7786 caller_save_spill_class. (Patch generated by Jim Wilson:
7789 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
7791 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
7792 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
7793 * expr.c (store_field): Add alias_set parameter. Set the
7794 MEM_ALIAS_SET accordingly, if the target is a MEM.
7795 (expand_assignment): Use it.
7796 (store_constructor_field): Pass 0.
7797 (expand_expr): Likewise.
7799 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
7801 * flags.h: Add flag_data_sections.
7802 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
7803 (compile_file): Error if flag_data_sections not supported.
7804 * varasm.c (assemble_variable): Handle flag_data_sections.
7805 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
7806 * config/mips/elf.h: Likewise.
7807 * config/mips/elf64.h: Likewise.
7808 * invoke.texi: Describe -fdata-sections.
7810 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
7812 * invoke.texi (-ffloat-store): Clarify that this option
7813 does not affect intermediate results -- only variables.
7815 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
7817 * cpp.texi: Update for Fortran usage from Craig.
7819 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
7821 * rs6000.c (function_arg_boundary): Revert accidental change on
7824 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
7826 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
7827 (output_mi_thunk): Declare.
7829 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
7830 (output_function_profiler): Use r12 for temp, instead of r11 so
7831 that we preserve the static chain register.
7833 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
7835 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
7837 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7839 * sh.c (gen_shl_sext): Fix case 5.
7841 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7843 * reload1.c (reload_combine): Re-add line that got accidentally lost.
7845 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7847 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
7848 accessing variables until they are initialized via va_arg().
7850 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7852 * reload1.c (reload_combine): Initialize set before using.
7854 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
7856 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
7859 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
7861 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
7862 operand3 with mask before using it. Patch provided by Jim Wilson.
7864 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7866 * config/sparc/sparc.c (function_value): Perform the equivalent of
7867 PROMOTE_MODE for ARCH64.
7868 (eligible_for_epilogue_delay): Allow DImode operations in delay
7869 slot of a return for ARCH64.
7871 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7873 * sh.md (sqrtsf2): Fix mode of sqrt.
7875 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7877 * reload1.c (choose_reload_regs): Also try inheritance when
7878 reload_in is a stack slot of a pseudo, even if we already got a
7881 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7883 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
7884 (reload_cse_regs): New function body: call reload_cse_regs_1,
7885 reload_combine, reload_cse_move2add.
7886 When doing expensive_optimizations, call reload_cse_regs_1 a
7887 second time after reload_cse_move2add.
7888 (reload_combine, reload_combine_note_store): New functions.
7889 (reload_combine_note_use): New function.
7890 (reload_cse_move2add, move2add_note_store): New functions.
7892 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7894 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
7895 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
7897 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
7898 more than 3 such reloads.
7900 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
7901 RELOAD_FOR_X_ADDR_ADDR reload.
7903 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7905 * expr.c (store_constructor): When initializing a field that is smaller
7906 than a word, at the start of a word, try to widen it to a full word.
7908 * cse.c (cse_insn): When we are about to change a register,
7909 remove any invalid references to it.
7911 (remove_invalid_subreg_refs): New function.
7912 (mention_regs): Special treatment for SUBREGs.
7913 (insert_regs): Don't strip SUBREG for call to mention_regs.
7914 Check if reg_tick needs to be bumped up before that call.
7915 (lookup_as_function): Try to match known word_mode constants when
7916 looking for a norrower constant.
7917 (canon_hash): Special treatment for SUBREGs.
7919 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7921 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
7922 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
7923 defined, emit libcall to __enable_execute_stack. Also fix opcodes
7924 and offsets in actual stack trampoline code so they match the
7925 commentary and actually work.
7927 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7929 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
7931 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
7932 tmake_file. Set extra_parts to needed crt objects.
7933 * configure: Rebuilt.
7934 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
7935 (TARGET_DEFAULT): Set if default is v9 or ultra.
7936 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
7937 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
7938 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
7939 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
7940 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
7941 (TARGET_VERSION): Define.
7942 (MULTILIB_DEFAULT): Define.
7943 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
7944 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
7945 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
7947 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
7948 * config/sparc/sparc.c (sparc_override_options): If arch and
7949 pointer size disagree, emit diagnostic and fix it up. If
7950 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
7951 V8PLUS in 64-bit mode.
7952 * config/sparc/t-linux64: New file.
7953 * config/sparc/t-sol2-64: New file.
7954 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
7955 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
7956 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
7957 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
7958 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
7959 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
7961 (STARTFILE_SPEC): Set approriately based upon those.
7962 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
7963 disposition of DEFAULT_ARCH32_P.
7964 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
7965 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
7966 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
7967 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
7968 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
7970 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
7972 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
7974 * rtl.h (init_virtual_regs): New function.
7975 * emit-rtl.c (init_virtual_regs): Define.
7976 (insn_emit): Use it.
7977 * integrate.c (save_for_inline_copying): Likewise.
7979 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
7981 * config/arm/thumb.h: The following patches were made by Jim Wilson:
7982 (enum reg_class): Add NONARG_LO_REGS support.
7983 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7984 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
7985 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
7986 completes. Re-enable HImode REG+OFFSET addresses.
7987 (LEGITIMIZE_RELOAD_ADDRESS): Define.
7989 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
7991 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
7993 * alpha.c (get_aligned_mem): Revert Sep 20 change.
7994 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
7995 (alpha_align_insns): Properly calculate initial offset wrt max_align.
7997 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
7999 * arm.c (find_barrier): Revert change of Apr 23. Handle table
8000 jumps as a single entity, taking into account the size of the
8003 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8005 * tree.def (SWITCH_EXPR): New tree node definition.
8007 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
8009 * version.c: Bump for snapshot.
8011 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
8013 * version.c: Bump for snapshot.
8015 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
8017 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
8020 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
8022 * Revert this patch.
8023 * reload.c (find_reloads): Do not replace a pseudo with
8024 (MEM (reg_equiv_addr)) in the initializing insn for the
8027 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
8029 * final.c (final_scan_insn): Disable tracking CC across branches.
8031 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8033 * expr.h (eh_rtime_match_libfunc): New extern declaration.
8034 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
8035 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
8036 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
8037 NULL. Only include <stdio.h> if inhibit_libc is not defined.
8039 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
8041 * toplev.c (rest_of_compilation): Skip compiling anything with
8042 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
8044 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
8046 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
8047 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
8048 use in_libcall_block.
8049 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
8050 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
8053 Mon Sep 21 14:02:23 1998
8055 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
8056 typo in no-fancy-math-387 description.
8058 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
8060 * version.c: Bump for snapshot.
8062 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
8064 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
8066 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
8068 * i386.h: (TARGET_SWITCHES) Add description fields for flags
8069 documented in install.texi.
8070 (TARGET_OPTIONS) Likewise.
8072 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
8074 * version.c: Bump for snapshot.
8076 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
8078 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
8079 * cccp.c (main): Likewise.
8081 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
8082 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
8085 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
8087 * Makefile.in (LIBS): Link in libiberty.a.
8088 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
8090 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
8092 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
8093 it to update bb boundaries. Update caller.
8094 * function.c (reposition_prologue_and_epilogue_notes): Update
8095 bb boundaries wrt the moved note.
8097 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
8099 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
8101 * configure: Regenerate.
8103 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
8105 * alpha.c (alpha_sr_alias_set): New variable.
8106 (override_options): Set it.
8107 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
8108 (mode_mask_operand): Fix signed-unsigned comparision warning.
8109 (alpha_expand_block_move): Likewise.
8110 (print_operand): Likewise.
8111 (get_aligned_mem): Use change_address.
8112 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
8113 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
8114 (alphaev4_next_nop, alphaev5_next_nop): New functions.
8115 (alpha_align_insns): Remade from old alphaev5_align_insns
8116 to handle multiple processors.
8117 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
8118 * output.h (label_to_alignment): Prototype.
8120 * tree.c (new_alias_set): New function.
8121 * tree.h (new_alias_set): Declare it.
8122 * c-common.c (c_get_alias_set): Use it.
8124 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
8126 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
8127 to an ABS expr, convert an unsigned input to signed.
8129 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
8131 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
8133 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8135 * configure.in: Add support for c4x targets.
8136 * configure: Rebuilt.
8138 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
8140 * combine.c (distribute_notes): If an insn is a cc0 user, only
8141 delete it if we can also delete the cc0 setter.
8143 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
8145 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
8146 (invert_truthvalue): Enable truthvalue inversion for
8147 floating-point operands if -ffast-math.
8149 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
8151 * configure.in: Disable collect2 for nextstep. Instead use
8153 * configure: Rebuilt.
8154 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
8155 (ENDFILE_SPEC): Define.
8156 (OBJECT_FORMAT_MACHO): Define.
8157 (EH_FRAME_SECTION_ASM_OP): Define.
8158 * crtstuff.c: Handle MACHO.
8160 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
8162 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
8164 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
8166 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
8167 (_fpadd_parts): Get sign right for 0.
8169 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8171 * ginclude/varargs.h: Add support for C4x target.
8172 * ginclude/stdargs.h: Likewise.
8174 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
8176 * alpha.c (alpha_return_addr): SET should be VOIDmode.
8177 (alpha_emit_set_long_const): Rewrite to be callable from reload
8179 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
8180 * alpha.md (movdi): Likewise.
8182 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
8184 * arm.c (add_constant): New parameter address_only, change caller.
8185 Set it non-zero if taking the address of an item in the pool.
8186 (arm_reorg): Handle cases where we need the address of an item in
8189 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
8191 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
8192 memory addresses that are not in standard canonical form.
8194 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
8196 * README.C4X: New file with information about the c4x ports.
8197 * ginclude/va-c4x.h: New file for c4x varargs support.
8198 * config/c4x: New directory with c4x port files.
8200 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
8202 * reload.c (find_reloads): Do not replace a pseudo with
8203 (MEM (reg_equiv_addr)) in the initializing insn for the
8206 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
8208 * toplev.c (rest_of_compilation): Set bct_p on second call to
8210 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
8212 (strength_reduce): Only call analyze_loop_iterations and
8213 insert_bct if bct_p set.
8214 (check_dbra_loop): Fix typo.
8215 (insert_bct): Use word_mode instead of SImode.
8216 (instrument_loop_bct): Likewise. Do not delete iteration count
8217 condition code generation insn. Initialize iteration count before
8219 * rtl.h (loop_optimize): Update prototype.
8221 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
8222 not doubleword aligned.
8224 * rs6000.c (optimization_options): New function.
8225 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
8226 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
8227 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
8228 first; cr1 can be used for FP record condition insns.
8230 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
8232 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
8235 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
8238 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
8240 (block_move_call): New function: Call a library routine to copy a
8242 (m32r_expand_block_move): New function: Expand a "movstrsi"
8243 pattern into a sequence of insns.
8244 (m32r_output_block_move): New function: Expand a
8245 "movstrsi_internal" pattern into a sequence of assembler opcodes.
8246 (m32r_block_immediate_operand): New function: Return true if the
8247 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
8249 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8251 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
8253 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
8255 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8257 * regmove.c (copy_src_to_dest): Check that modes match.
8259 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
8261 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
8263 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
8265 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
8266 narrower than FLOAT_REGS.
8268 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8270 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
8272 * Makefile.in (old_gxx_include_dir): removed
8274 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
8276 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
8279 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
8280 (sh_handle_pragma): Change function arguments to match new
8281 specification for HANDLE_PRAGMA.
8283 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8285 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
8287 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
8288 When generating output, initialize missing struct member to zero.
8290 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8292 * regmove.c (copy_src_to_dest): Don't copy if that requires
8293 (a) new register(s).
8295 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8297 * global.c (reg_allocno): Now static.
8298 * reload1.c (reg_allocno): Delete declaration.
8299 (order_regs_for_reload): Take no arguments. Don't treat regs
8300 allocated by global differently than those allocated by local-alloc.
8302 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
8304 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
8305 condition, fix format strings.
8306 (output_function_epilogue): Likewise.
8308 * m68k/m68k.c: Don't include <stdlib.h> directly.
8310 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
8312 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
8313 mem_first_set, mem_last_set; because 0 can be a CUID.
8314 (oprs_unchanged_p): Use new definition.
8315 (record_last_reg_set_info): Likewise.
8316 (record_last_mem_set_info): Likewise.
8317 (compute_hash_table): Likewise.
8319 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
8321 * rs6000.c (output_epilogue): Handle Chill.
8323 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
8324 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
8326 * combine.c (make_extraction): If no mode is specified for
8327 an operand of insv, extv, or extzv, default it to word_mode.
8328 (simplify_comparison): Similarly.
8329 * expmed.c (store_bit_field): Similarly.
8330 (extract_bit_field): Similarly.
8331 * function.c (fixup_var_regs_1): Similarly.
8332 * recog.c (validate_replace_rtx_1): Similarly.
8333 * mips.md (extv, extzv, insv expanders): Default modes for most
8334 operands. Handle TARGET_64BIT.
8335 (movdi_uld, movdi_usd): New patterns.
8337 * pa.c (emit_move_sequence): Do not replace a pseudo with its
8338 equivalent memory location unless we have been provided a scratch
8339 register. Similarly do not call find_replacement unless a
8340 scratch register has been provided.
8342 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8344 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
8347 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
8349 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
8350 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
8351 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
8352 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
8353 * c-decl.c (init_decl_processing): Update accordingly.
8354 * expr.c (expand_builtin): Likewise.
8356 * rtl.h (global_rtl): Add cfa entry.
8357 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
8358 (LAST_VIRTUAL_REGISTER): Update.
8359 * emit-rtl.c (global_rtl): Add cfa entry.
8360 (init_emit): Initialize it.
8361 * function.c (cfa_offset): New.
8362 (instantiate_virtual_regs): Initialize it.
8363 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
8364 (expand_function_end): Call expand_eh_return.
8365 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
8367 * except.c (current_function_eh_stub_label): Kill.
8368 (current_function_eh_old_stub_label): Likwise; update all references.
8369 (expand_builtin_set_return_addr_reg): Kill.
8370 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
8371 (expand_builtin_set_eh_regs): Kill.
8372 (eh_regs): Produce a third reg for the actual handler address.
8373 (eh_return_context, eh_return_stack_adjust): New.
8374 (eh_return_handler, eh_return_stub_label): New.
8375 (init_eh_for_function): Initialize them.
8376 (expand_builtin_eh_return, expand_eh_return): New.
8377 * except.h: Update prototypes.
8378 * flow.c (find_basic_blocks_1): Update references to the stub label.
8379 * function.h (struct function): Kill stub label elements.
8381 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
8382 register number is one that would be in the previous window.
8383 Provide a dummy definition for non-windowed targets.
8384 (get_reg_addr): New function.
8385 (get_reg, put_reg, copy_reg): Use it.
8386 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
8387 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
8389 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
8390 (alpha_init_expanders): Initialize it.
8391 (alpha_expand_epilogue): Use it.
8392 * alpha.h: Declare it.
8393 * alpha.md (eh_epilogue): New.
8395 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
8396 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
8398 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
8400 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
8403 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8405 * except.h (struct eh_entry): Add false_label field.
8406 (end_catch_handler): Add prototype.
8407 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
8408 (start_catch_handler): When using old style exceptions, issue
8409 runtime typematch code before continuing with the handler.
8410 (end_catch_handler): New function, generates label after handler
8411 if needed by older style exceptions.
8412 (expand_start_all_catch): No need to check for new style exceptions.
8413 (output_exception_table_entry): Only output the first handler label
8414 for old style exceptions.
8415 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
8416 mechanism into one function, if a runtime matcher is provided.
8418 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8420 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
8422 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
8424 * integrate.c (copy_decl_list): Fix typo.
8426 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8428 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
8431 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
8433 * version.c: Bump for snapshot.
8435 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
8437 * version.c: Bump for snapshot.
8439 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
8441 * version.c: Bump for snapshot.
8443 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8445 * invoke.texi (C Dialect Options): Put back missing @end itemize.
8447 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8449 * configure.in: remove usage of `!' to negate the result of a
8450 command; some common shells do not support it
8452 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8454 * configure.in: in sparc9-sol2 config, use 'if test' not
8456 * configure: Rebuilt.
8458 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
8460 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
8461 (CPP_CPU_DEFAULT_SPEC): Likewise.
8462 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
8463 for arch64 libfuncs.
8465 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
8468 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8470 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
8472 * collect2.c: Don't declare `sys_siglist' here.
8473 (my_strsignal): Prototype and define new function. Use it in
8474 place of `sys_siglist' hacks.
8476 * mips_tfile.c: Likewise.
8478 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
8479 (GCC_NEED_DECLARATIONS): Likewise.
8481 * system.h (strsignal): Prototype it, if necessary.
8482 (sys_siglist): Declare it, if necessary.
8484 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8486 * loop.c (move_movables): While removing insn sequences, preserve
8487 the next pointer of the most recently deleted insn when we skip
8490 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
8492 * objc/config-lang.in: Do not output the name of the selected
8493 thread file when building the front-end. The Makefile for the
8494 runtime library will do this.
8496 * objc/Make-lang.in: Do not build the runtime library or install
8497 the Objective C header files. The Makefile for the runtime
8498 library will do this.
8500 * objc/Makefile.in (all.indirect): Only build the front-end.
8501 (compiler): Rename to `frontend'.
8502 (obj-runtime): Remove target.
8503 (copy-headers): Likewise.
8504 (clean): No need to remove `libobjc.a' any longer.
8506 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
8508 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
8509 supported with -mcpu=xxx.
8511 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8513 * flow.c (mark_set_1): Recognize multi-register structure return
8514 values in CALL insns.
8515 (mark_used_regs): Likewise.
8516 (count_reg_sets_1): Likewise.
8517 (count_reg_references): Likewise.
8518 * rtlanal.c (note_stores): Likewise.
8519 (reg_overlap_mentioned_p): Likewise.
8520 * haifa-sched.c (check_live_1): Likewise.
8521 (update_live_1): Likewise.
8522 (sched_analyze_1): Likewise.
8523 (sched_note_set): Likewise.
8524 (birthing_insn_p): Likewise.
8525 (attach_deaths): Likewise.
8527 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
8530 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
8532 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
8534 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8536 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
8538 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8540 * configure.in: Add check for GAS subsection -1 support.
8541 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
8542 * configure config.in: Rebuilt.
8543 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
8544 SImode is subsection -1 works, else use DImode.
8545 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
8546 subsection -1 works.
8547 * config/sparc/sparc.c (sparc_output_addr_vec,
8548 sparc_output_addr_diff_vec): Use them if defined.
8550 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
8552 * tree.h (DECL_ORIGIN): New macro.
8553 * integrate.c (copy_and_set_decl_abstract_origin): New function.
8554 (copy_decl_list): Use it.
8555 (integrate_parm_decls): Likewise.
8556 (integrate_decl_tree): Likewise.
8557 * dwarf2out.c (decl_ultimate_origin): Simplify.
8558 * dwarfout.c (decl_ultimate_origin): Likewise.
8559 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
8560 (pushdecl): Likewise.
8562 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
8564 * config/rs6000/rs6000.c (output_epilog): Add Java support.
8566 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
8568 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
8570 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
8572 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
8573 empty or has a single entry.
8575 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
8576 before calling reg_to_stack.
8578 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
8580 * alpha.c (alphaev5_insn_pipe): Abort on default case.
8581 (alphaev5_next_group): Swallow CLOBBERs and USEs.
8583 * c-tree.h (warn_long_long): Declare it.
8585 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
8587 * emit-rtl.c (gen_lowpart_common): Disable optimization of
8588 initialized float-int union if the value is a NaN.
8590 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
8592 * c-lex.c (real_yylex): Don't warn about long long constants if
8593 we're allowing long long
8595 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8597 * except.h (current_function_eh_stub_label): Declare.
8598 (current_function_eh_old_stub_label): Declare.
8599 * function.h (struct function): New members eh_stub_label and
8601 * except.c (current_function_eh_stub_label): New variable.
8602 (current_function_eh_old_stub_label): New variable.
8603 (init_eh_for_function): Clear them.
8604 (save_eh_status): Save them.
8605 (restore_eh_status): Restore them.
8606 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
8607 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
8608 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
8609 make an edge from the block that contains it to the block starting
8610 with the label if this label is one of the eh stub labels.
8611 If eh stub labels exist, show they are reachable from the last block
8614 * reload1.c (reload): Break out several subroutines and make some
8616 (calculate_needs_all_insns): New function, broken out of reload.
8617 (calculate_needs): Likewise.
8618 (find_reload_regs): Likewise.
8619 (find_group): Likewise.
8620 (find_tworeg_group): Likewise.
8621 (something_needs_reloads): New global variable, formerly in reload.
8622 (something_needs_elimination): Likewise.
8623 (caller_save_spill_class): Likewise.
8624 (caller_save_group_size): Likewise.
8625 (max_needs): Likewise.
8626 (group_size): Likewise.
8627 (max_groups): Likewise.
8628 (max_nongroups): Likewise.
8629 (group_mode): Likewise.
8630 (max_needs_insn): Likewise.
8631 (max_groups_insn): Likewise.
8632 (max_nongroups_insn): Likewise.
8633 (failure): Likewise.
8635 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
8637 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
8639 * loop.c (load_mems): Copy rtx for output mem.
8641 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
8643 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
8644 mips1 or mips2 either.
8646 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
8648 * pa.c (pa_reorg): New marking scheme for jumps inside switch
8650 (pa_adjust_insn_length): Update to work with new marking scheme
8651 for jumps inside switch tables.
8652 * pa.md (switch_jump): Remove pattern.
8653 (jump): Handle jumps inside jump tables.
8655 * Makefile.in (profile.o): Depend on insn-config.h
8657 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
8659 * iris6.h (DWARF2_UNWIND_INFO): Undef.
8661 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8663 Add preliminary native sparcv9 Solaris support.
8664 * configure.in: Recognize sparv9-*-solaris2*
8665 * configure: rebuilt
8666 * config.sub: Recognize sparcv9 just like sparc64.
8667 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
8668 config/sparc/sol2-cn.asm: Macroize so it can be shared between
8669 32-bit and 64-bit Solaris systems.
8670 * config/sparc/t-sol2: Assemble those with cpp.
8671 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
8672 (*TF*_LIBCALL): If ARCH64 use V9 names.
8673 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
8675 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8677 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
8678 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
8680 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
8682 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
8683 to Pmode if CASE_VECTOR_MODE is something else.
8685 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
8687 * prefix.c (update_path): Correctly handle cases where PATH is
8688 a substring of the builtin prefix, but specifies a different
8691 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
8693 * expr.c: Corrected comment about what MOVE_RATIO does.
8694 * config/alpha/alpha.h: Ditto.
8695 * config/1750a/1750a.h: Ditto.
8696 * config/clipper/clipper.h: Ditto.
8697 * config/i386/i386.h: Ditto.
8699 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
8701 * configure.in (m68k-next-nextstep3*): Use collect2.
8702 Similarly for x86 NeXT configurations.
8703 * configure: Rebuilt.
8705 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
8707 * configure.in: Don't assume srcdir is .../gcc
8708 * configure: Rebuilt.
8710 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
8712 * global.c: Update comments.
8713 (global_alloc): Assign allocation-numbers
8714 even for registers allocated by local_alloc in case
8715 they are later spilled and retry_global_alloc is called.
8716 (mark_reg_store, mark_reg_clobber,
8717 mark_reg_conflicts, mark_reg_death): Always record a
8718 conflict with a pseudo register even if it has been
8719 assigned to a hard register.
8720 (dump_conflicts): Don't list pseudo registers already assigned to
8721 a hard register as needing to be allocated, but do list their
8723 * local-alloc.c: Update comment.
8725 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
8727 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
8728 * configure: Rebuilt.
8730 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
8732 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
8734 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
8735 for all targets that set -msoft-float.
8737 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8739 * toplev.c (print_switch_values): Make static to match prototype.
8741 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
8743 * configure.in: If we are unable to find the "gnatbind" program,
8744 then do not configure the ada subdir.
8745 * configure: Rebuilt.
8747 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
8749 * version.c: Bump for snapshot.
8751 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
8753 * version.c: Bump for snapshot.
8755 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8757 * Makefile.in (toplev.o): Depend on $(EXPR_H).
8758 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
8760 * gansidecl.h: Define ATTRIBUTE_NORETURN.
8762 * genattrtab.c: Have insn-attrtab.c include toplev.h.
8764 * genextract.c: Have insn-extract.c include toplev.h.
8766 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
8768 * toplev.c: Include expr.h.
8769 (really_sorry, fancy_abort): Remove prototypes.
8770 (set_target_switch): Add argument in prototype.
8771 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
8772 (v_really_sorry): Likewise.
8773 (print_version, print_single_switch, print_switch_values): Make
8774 static and add prototype arguments.
8775 (decl_printable_name): Add prototype arguments.
8776 (lang_expand_expr_t): New typedef.
8777 (lang_expand_expr): Declare as a lang_expand_expr_t.
8778 (incomplete_decl_finalize_hook): Add prototype argument.
8779 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
8780 (botch): Likewise for variable `s'.
8781 (rest_of_type_compilation): Mark variables `type' and `toplev'
8782 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
8783 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
8784 (display_help): Make variable `i' an `unsigned long'.
8785 (main): Remove unused parameter `envp'.
8786 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
8787 Cast -1 when comparing it with a `size_t'.
8789 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
8790 prototype with ATTRIBUTE_NORETURN.
8791 (fatal_insn_not_found, fatal_insn, really_sorry,
8792 push_float_handler, pop_float_handler): Add prototypes.
8793 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
8794 (do_abort, botch): Add prototypes.
8796 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
8798 * final.c (final): If a label is reached only from a single jump,
8799 call NOTICE_UPDATE_CC on the jump and its predecessor before
8800 emitting the insn after the label.
8802 * i386.h: Add AMD K6 support.
8803 Change TARGET_* macros to use table lookup.
8804 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
8805 (ADJUST_COST): Change definition to call function in i386.c.
8806 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
8807 * i386.c: Add AMD K6 support.
8808 Add constants for feature tests used by TARGET_* macros.
8809 (split_di): If before reload, call gen_lowpart and gen_highpart.
8810 (x86_adjust_cost): New function.
8811 (put_jump_code): New function.
8812 (print_operand): New codes 'D' and 'd'.
8813 * i386.md: New insn types. New insn attribute "memory".
8814 Redefine scheduling parameters to use new types and add AMD K6
8815 support. Explicitly set type of most insns.
8816 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
8817 Pro and K6 prefer movl $1,reg to incl reg.
8818 (adddi3, subdi3): Set cc_status.
8819 (DImode shift patterns): Change label counters from HOST_WIDE_INT
8820 to int; x86 can't have more than 2^31 DImode shifts per file.
8821 (setcc): Combine all setcc patterns. Allow writing memory.
8822 Combine all jump patterns using match_operator.
8823 (*bzero): Name pattern. Emit mutliple stos instructions when that
8824 is faster than rep stos.
8825 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
8828 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
8830 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
8833 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
8835 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
8836 not whatever we're generating now.
8838 * alpha.c (set_frame_related_p, FRP): New.
8839 (alpha_expand_prologue): Mark frame related insns.
8840 (alpha_expand_epilogue): Likewise, but with a null FRP.
8841 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
8842 * alpha.md (exception_receiver): New.
8843 * alpha/crtbegin.asm (.eh_frame): New beginning.
8844 (__do_frame_setup, __do_frame_takedown): New.
8845 * alpha/crtend.asm (.eh_frame): New ending.
8846 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
8847 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
8848 (ASM_FILE_START): Don't emit .file for dwarf2.
8850 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
8851 * rtl.c (reg_note_name): Likewise.
8852 * rtl.texi (REG_NOTES): Likewise.
8853 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
8856 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
8858 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
8859 * i386.md (movsf, movdf, movxf): Validate memory address returned
8860 from force_const_mem. Kill useless REG_EQUAL setting code.
8862 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
8864 * m68k.md (zero_extendsidi2): Fix typo.
8866 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
8868 * configure.in: Removed references to the removed file
8869 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
8870 * arm*-*-netbsd* and ns32k-*-netbsd*.
8871 * config/i386/xm-netbsd.h: Removed unnecessary file.
8872 * config/m68k/xm-netbsd.h: Likewise.
8873 * config/sparc/xm-netbsd.h: Likewise.
8874 * config/mips/xm-netbsd.h: Likewise.
8876 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
8878 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
8879 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
8881 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
8882 for exact section attributions.
8884 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
8886 * i386/crtdll.h (CPP_PREDEFINES): Define.
8888 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
8890 * m68k.md (5200 movqi): Do not allow byte sized memory references
8892 * m68k.c (output_move_qimode): Do not use byte sized operations on
8895 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
8896 explicit rules for building. Similarly for alloca, vfprintf,
8897 choose-temp and mkstemp, getopt, getopt1, and obstack.
8898 (INCLUDES): Add $(srcdir)/../include.
8899 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
8900 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
8902 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
8904 * gcc.c (do_spec_1): [case 'o'] Account for
8905 lang_specific_extra_outfiles.
8906 (main): Correctly clear all slots in outfiles for
8907 lang_specific_extra_outfiles. Set input_file_number before
8908 calling lang_specific_pre_link.
8910 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
8912 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
8914 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8916 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
8918 (sparc_output_deferred_case_vectors): If no work to do, return.
8919 Fix thinko in Sept 1 change.
8921 1998-09-03 SL Baur <steve@altair.xemacs.org>
8923 * Makefile.in: add semicolon in BISON definition for portability.
8925 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
8927 * config/nextstep.c (handle_pragma): Correct name of third
8930 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
8932 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
8933 * config/m32r/m32r.h: Make register 17 be fixed.
8934 * config/m32r/m32r.c: Use SImode for cc operations.
8936 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
8938 * invoke.texi (Warning Options): Add -Wnon-template-friend
8941 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
8943 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
8945 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
8947 * rs6000.md (movsf): Disable explicit secondary-reload-like
8948 functionality if TARGET_POWERPC64.
8949 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
8952 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
8954 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
8955 and term.h from fixinc.wrap.
8957 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8959 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
8960 safe to include both string.h and strings.h together.
8961 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
8962 which headers to search for function declarations. Continue to
8963 prefer string.h over strings.h when both are not acceptable.
8965 * acconfig.h (STRING_WITH_STRINGS): Add stub.
8967 * configure.in: Call GCC_HEADER_STRING.
8969 * system.h: Test STRING_WITH_STRINGS when deciding which headers
8970 to include. Continue to prefer string.h over strings.h when both
8973 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8975 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
8976 not assume top 32-bits of symbolic addresses are zero if
8979 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
8981 * ginclude/va-alpha.h: Protect entire second portion of the
8982 file against double inclusion.
8984 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
8986 Added support for the Boehm's garbage collector.
8987 * configure.in: Handle --enable-objc-gc.
8988 * configure: Rebuilt.
8989 * Makefile.in (CHECK_TARGETS): Add check-objc.
8990 (check-objc): New rule.
8991 * objc/Make-lang.in: Build a different Objective-C library that
8992 runs with the Boehm's collector.
8993 * objc/encoding.c (objc_round_acc_size_for_types): New function.
8994 * objc/encoding.c: Correctly compute the size of compound types in
8995 the presence of bitfields. Skip the variable name of the type if
8996 any. Added support for long long.
8997 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
8998 (_F_GCINVISIBLE): New mask.
8999 * objc/gc.c: New file. Compute the type memory mask associated with
9000 a class based on the runtime information.
9001 * objc/misc.c: Added the hooks that use the Boehm's collector
9002 allocation functions.
9003 * objc/objc-act.c (build_class_template): Generate a new class
9004 member (gc_object_type) to hold the class' type memory mask.
9005 (build_shared_structure_initializer): Initialize the new member to
9007 (encode_complete_bitfield): New function. Generate the new
9009 (encode_field_decl): Generate the new encoding only for the GNU
9011 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
9013 (class_get_gc_object_type): New function to mark a pointer instance
9014 variable as a weak pointer.
9015 * objc/objc-features.texi: New file.
9016 * objc/objc.h (gc_object_type): New class member.
9017 * objc/objects.c (class_create_instance): Create a typed memory
9018 object when compiled with Boehm's collector support.
9019 * objc/sendmsg.c (__objc_init_install_dtable): Call
9020 __objc_send_initialize instead of setting the initialize flag.
9021 (__objc_send_initialize): Call __objc_generate_gc_type_description
9022 to generate the class type memory mask. Rewrite the code that
9023 sends the +initialize so that it is called only once (bug report
9024 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
9025 * testsuite/objc: New testsuite for Objective-C type encoding.
9026 * testsuite/lib/objc-torture.exp: New file.
9027 * testsuite/lib/objc.exp: New file.
9029 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
9031 * jump.c (jump_optimize): In if/then/else transformations, add
9032 another call to modified_between_p for the jump insn.
9034 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
9036 * fix-header.c (symlink): Treat like readlink.
9038 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9040 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
9043 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
9045 * config/nextstep.h: Update HANDLE_PRAGMA macro.
9046 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
9047 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
9049 * config/nextstep.c (handle_pragma): Take three arguments, as per
9050 the new HANDLE_PRAGMA macro specification.
9051 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
9052 per the new HANDLE_PRAGMA macro specification.
9053 * config/i960/i960.c (process_pragma): Take three arguments, as
9054 per the new HANDLE_PRAGMA macro specification.
9056 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
9058 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
9059 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
9060 if unknown pragmas are encountered.
9061 (handle_sysv_pragma): Interpret return code from
9062 handle_pragma_token (). Return success/failure indication rather
9063 than next unprocessed character.
9064 (pragma_getc): New function: retrieves characters from the
9065 input stream. Defined when HANDLE_PRAGMA is enabled.
9066 (pragma_ungetc): New function: replaces characters back into the
9067 input stream. Defined when HANDLE_PRAGMA is enabled.
9069 * c-pragma.c (handle_pragma_token): Return success/failure status
9072 * c-pragma.h: Change prototype of handle_pragma_token().
9074 * varasm.c: (handle_pragma_weak): Only create this function if
9075 HANDLE_PRAGMA_WEAK is defined.
9077 * c-common,c (decl_attributes): If defined call the expression
9078 contained within the INSERT_ATTRIBUTES macro before adding
9079 attributes to a decl.
9081 * tm.texi (HANDLE_PRAGMA): Document the new verion of
9082 HANDLE_PRAGMA, which takes three arguments.
9083 (INSERT_ATTRIBUTES): Document this new macro.
9085 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
9086 new INSERT_ATTRIBUTES macro.
9088 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9090 * config/sparc/sparc.md (movdf): Only generate special RTL for
9091 LABEL_REFs when PIC.
9092 (move_label_di): Remove
9093 (movdi_pic_label_ref, movdi_high_pic_label_ref,
9094 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
9095 references when PIC.
9096 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
9097 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
9098 output an .xword for all 64-bit cases.
9100 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9102 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
9103 alignment, use FUNCTION_BOUNDARY instead.
9104 (sparc_output_deferred_case_vectors): Likewise.
9106 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9108 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
9109 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
9111 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
9113 * alpha/va_list.h: New file.
9114 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
9116 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
9118 * NEWS: Add SCO Openserver and Unixware 7 notes.
9122 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
9124 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
9125 (record_constant_1): Handle RANGE_EXPR.
9127 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
9129 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
9130 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
9131 and NOTE_INSN_RANGE_END specially.
9132 (reemit_notes): Likewise.
9134 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9136 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
9137 (ultrasparc_sched_init): Remove unneeded &.
9139 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9141 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
9142 for m68020-60, to prevent the use of fintrz.
9144 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
9146 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
9148 * Makefile.in: Likewise.
9149 * configure: Regenerated.
9151 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
9153 * configure.in (gxx_include_dir): Changed to
9154 '${prefix}/include/g++'-${libstdcxx_interface}.
9155 * configure: Rebuilt.
9157 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
9159 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
9161 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
9162 *sequences* *below* which scalar moves will be used.
9164 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
9166 * collect2.c (mktemp): Delete unused declaration.
9168 * config/xm-netbsd.h: Remove unnecessary file.
9169 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
9170 file anymore, it is not needed.
9172 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
9174 * convert.c (convert_to_integer): Issue an error on conversions to
9177 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
9179 * Makefile.in: Add lang_tree_files and gencheck.h.
9180 * configure.in: Generate them.
9181 * gencheck.c: Include gencheck.h.
9183 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9185 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
9186 movdi_lo_sum_pic and movdi_high_pic and make visible.
9187 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
9188 emit these when Pmode is not SImode.
9189 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
9191 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
9193 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
9194 .linkonce directive after the first time.
9196 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
9198 * m68k.md (beq0_di): Generate correct (and more efficient) code when
9199 the clobbered operand overlaps with an input.
9200 (bne0_di): Similarly.
9202 * Makefile.in (INSTALL): Remove "--no-header" argument.
9204 * NEWS: Various updates.
9206 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9208 * config/sparc/sparc.c (arith_operand, const64_operand,
9209 const64_high_operand, arith_double_4096_operand): Mark mode as
9211 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
9213 (sparc_emit_set_const64): Remove unused variable i.
9214 (sparc_splitdi_legitimate): Likewise for addr_part.
9215 (ultra_code_from_mask): Likewise for mask.
9216 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
9217 reverse return values so it matches usage and comments.
9218 (ultra_flush_pipeline): Likewise.
9219 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
9220 this_type, and allow loads and stores of differing FP modes as
9221 they do not create a conflict.
9222 (ultra_find_type): Initialize fpmode to SFmode, fix
9223 parenthesization thinkos in large conditional.
9224 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
9225 Init free_slot_mask after ultra_cur_hist is reset, not before.
9226 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
9227 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
9228 use ultra_flush_pipeline instead, then re-init group pointer.
9229 Fix statement with no effect. If no progress made in, and no
9230 instructions scheduled at all, advance to new pipeline cycle else
9231 we get into an endless loop.
9232 (ultrasparc_adjust_cost): Remove previous arg.
9233 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
9235 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
9237 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
9238 code. Use reg_overlap_mentioned_p to detect when source and
9239 destination overlap.
9240 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
9242 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
9244 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
9245 COMPARISON_VAL, into invariant_p.
9247 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9249 * regmove.c (regclass_compatible_p): New function.
9250 (regmove_optimize): Use it.
9252 Use NREGS parameter insted of calling max_reg_num.
9254 (fixup_match_1): Don't use code = MINUS when later tieing with
9255 a hard register is likely.
9257 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9259 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
9260 COMPARISON_VAL was normalized.
9262 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
9264 * loop.c (check_dbra_loop): The loop ending comparison value
9265 must be an invariant or we can not reverse the loop.
9267 * loop.c (scan_loop): Count down from max_reg_num - 1 to
9268 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
9270 (load_mems_and_recount_loop_regs_set): Likewise.
9272 * i386.c (print_operand): Remove obsolete 'c' docs.
9274 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
9276 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
9277 * frame.c (init_object_mutex): New function.
9278 (init_object_mutex_once): Likewise.
9279 (find_fde): Call it.
9280 (__register_frame_info): Likewise.
9281 (__register_frame_info_table): Likewise.
9282 (__deregister_frame_info): Likewise.
9284 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
9286 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
9288 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9290 * loop.c (check_dbra_loop): Enable code for reversal
9291 of some loops without a known constant loop end.
9293 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
9295 * haifa-sched.c (last_clock_var): New.
9296 (schedule_block): Initialize it.
9297 (schedule_insn): Use it to fill insn modes with issue information.
9299 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
9300 Tag trapb and next insn with TImode.
9301 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
9302 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
9303 Invoke alphaev5_align_insns as appropriate.
9304 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
9305 (MD_SCHED_VARIABLE_ISSUE): New.
9306 * alpha.md (attr type): Add multi.
9307 (define_asm_attributes): New.
9308 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
9309 (arg_home): Likewise.
9310 (fnop, unop, realign): New.
9312 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
9314 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
9315 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
9317 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
9318 (rs6000-ibm-aix4.[12]*): Likewise.
9319 * configure: Regnerate.
9321 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
9323 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
9324 already contains the return address.
9326 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
9328 * calls.c (expand_call): Use bitfield instructions to extract/deposit
9329 word sized hunks when loading unaligned args into registers.
9331 * haifa-sched.c (sched_analyze_insn): Only create scheduling
9332 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
9334 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
9336 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9338 * loop.c (check_dbra_loop): Add some code that would allow reversal
9339 of some loops without a known constant loop end if it were enabled.
9341 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
9343 * mips.md (lshrsi3_internal2+2): Fix type-o.
9345 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9347 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
9348 correctly with regards to stdio.h.
9350 * calls.c: Remove stdarg.h/varargs.h.
9353 * combine.c: Likewise.
9354 * cpperror.c: Likewise.
9355 * cpplib.c: Likewise.
9356 * cpplib.h: Likewise.
9357 * doprint.c: Likewise.
9358 * emit-rtl.c: Likewise.
9359 * final.c: Likewise.
9360 * fix-header.c: Likewise.
9362 * genattr.c: Likewise.
9363 * genattrtab.c: Likewise.
9364 * gencodes.c: Likewise.
9365 * genconfig.c: Likewise.
9366 * genemit.c: Likewise.
9367 * genextract.c: Likewise.
9368 * genflags.c: Likewise.
9369 * genopinit.c: Likewise.
9370 * genoutput.c: Likewise.
9371 * genpeep.c: Likewise.
9372 * genrecog.c: Likewise.
9373 * mips-tfile.c: Likewise.
9374 * prefix.c: Likewise.
9375 * protoize.c: Likewise.
9376 * regmove.c: Likewise.
9377 * toplev.c: Likewise.
9380 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9382 * config/sparc/sparc.c (sparc_override_options): If not
9383 TARGET_FPU, turn off TARGET_VIS.
9384 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
9385 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
9386 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
9387 (movdi_insn_sp64): Add VIS fzero alternative.
9388 (clear_sf, clear_df): New VIS patterns.
9389 (movsf, movdf expanders): Allow fp_zero_operand flat out when
9391 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
9393 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
9395 * loop.c (n_times_set, n_times_used, may_not_optimize,
9396 reg_single_usage): Convert to varrays. All uses changed.
9397 (insert_loop_mem): Return a value.
9398 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
9399 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
9402 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
9405 * configure.in: Do not set thread_file to "irix" since no such
9408 * sparc.md (float abs/neg splits): Check reload_completed before
9409 calling alter_subreg.
9411 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9413 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
9415 * config/sparc/sparc.h: Declare it.
9416 * config/sparc/sparc.md (float abs/neg splits): Use it.
9417 (all other splits): Handle SUBREGs properly where necessary.
9418 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
9420 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
9422 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
9423 an insn on the unfilled_slots_list that has no delay slots.
9424 (fill_eager_delay_slots): Similarly.
9426 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
9428 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
9429 as an ordinary operand.
9431 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
9433 * tree.c (valid_machine_attribute): Don't apply attributes to both
9436 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
9438 * reload.c (operands_match_p): Handle rtvecs.
9440 * i386.c (legitimate_pic_address_disp_p): New.
9441 (legitimate_address_p): Use it.
9442 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
9443 Handle constant pool symbols just like statics.
9444 (emit_pic_move): Use Pmode not SImode for clarity.
9445 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
9446 [UNSPEC]: New, handling what we killed above.
9447 [PLUS]: Detect and abort on invalid symbol arithmetic.
9448 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
9450 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
9452 * alias.c: Include output.h.
9453 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
9454 different if we're in a varargs function.
9455 * Makefile.in (alias.o): Depend on output.h
9457 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9459 * sh.h (GIV_SORT_CRITERION): Delete.
9461 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
9463 * regclass.c (regclass): Use xmalloc/free instead of alloca.
9464 * stupid.c (stupid_life_analysis): Ditto.
9465 * reload1.c (reload): Ditto.
9467 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9469 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
9470 arith_double_4096_operand, arith_double_add_operand): New
9472 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
9473 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
9474 them to transform add/sub 4096 into add/sub -4096.
9476 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9478 * loop.c (scan_loop): Allocate some slop to handle pseudos
9479 generated by move_movables.
9480 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
9483 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
9485 * tree.def (DECL_RESULT): Correct documentation.
9487 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9489 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
9490 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
9491 conflicts will all RELOAD_FOR_OUTPUT reloads.
9493 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
9494 loads the function result, substitute with a USE.
9496 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
9498 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
9499 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
9500 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
9501 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
9502 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
9503 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
9505 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
9506 'o' to 'm' for GPR variant constraints.
9508 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
9510 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
9512 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
9514 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
9515 when the source and destination overlap.
9517 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
9518 clash with global type.
9520 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
9522 * fixinc.irix: Add curses.h handling from fixinc.wrap.
9524 * c-common.c (combine_strings): Also set TREE_READONLY.
9525 Change warn_write_strings to flag_const_strings.
9526 * c-decl.c, c-tree.h: Likewise.
9528 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9530 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
9531 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
9532 sequence, use SET/IOR instead so CSE can see it.
9533 * config/sparc/sparc.md (movhi_const64_special,
9534 movsi_const64_special): New patterns necessitated by that change.
9535 (movhi_high): Remove.
9536 (movhi_lo_sum): Change to match an IOR.
9537 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
9538 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
9539 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
9540 (movdf splits): Allow when not V9 or when not ARCH64 and integer
9541 registers are involved.
9542 (snesi_zero_extend split): Remove reload_completed test.
9543 (unnamed plus and minus zero_extend sidi splits): Add it.
9545 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
9547 * extend.texi: Remove description of extension to explicit
9548 instantiation that is now endorsed by standard C++.
9550 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9552 * config/arc/arc.c (arc_initialize_pic): Remove.
9553 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
9554 nothing on any platform and is invoked by no-one, it does not even
9555 appear in the documentation.
9556 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
9557 * config/sparc/sparc.c (initialize_pic): Likewise.
9558 (find_addr_reg): Remove this as well, no longer referenced after
9561 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
9563 * recog.c (validate_replace_rtx_group): New function.
9564 * recog.h (validate_replace_rtx_group): Declare it.
9565 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
9566 the entire group of substitutions.
9568 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
9570 * loop.c (load_mems): Fix initializers.
9572 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9574 * config/sparc/sparc.md (TFmode splits): Handle destination
9575 registers being referenced in the address correctly.
9577 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
9578 TREE_UNSIGNED, when bitsize of type's mode is larger than
9579 HOST_BITS_PER_WIDE_INT.
9581 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9583 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
9584 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
9585 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
9587 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
9590 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
9592 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
9593 * h8300.h (TINY_DATA_NAME_P): Likewise.
9594 (STRIP_NAME_ENCODING): Handle '&'.
9596 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
9597 register (it could be accessed via an outer SUBREG).
9598 (REG_OK_FOR_BASE_P): Likewwise.
9599 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
9601 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
9604 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
9606 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9608 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
9609 must be offsettable so the splits can be made.
9611 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
9613 * config/i386/winnt.c: Include system.h, not stdio.h to get
9614 sys/param.h pulled in before rtl.h in case the system defines MIN
9617 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
9619 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
9621 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
9623 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
9625 * cpplib.c (cpp_define): Handle macros with parameters.
9627 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
9629 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
9630 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
9631 and DImode 64-bit. Use llong for minimal-toc SFmode and
9632 SYMBOL_REF / LABEL_REF 64-bit.
9633 (output_function_profiler): Use llong for profiler label and ld to
9634 load 64-bit label address.
9636 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
9638 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
9641 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
9643 * version.c: Bump for snapshot.
9645 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
9647 * version.c: Bump for snapshot.
9649 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
9651 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
9653 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
9655 * tm.texi (Misc): Fix typo "teh".
9657 * tm.texi (PIC): Fix typo "PPIC".
9659 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
9660 effect when -O2 and higher.
9661 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
9663 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
9665 * regclass.c: Changed register set documentation to be consistent
9668 * final.c (final_start_function) Removed redundant test for
9671 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
9673 * rtl.h (rtx_function): New type.
9674 (for_each_rtx): New function.
9675 * rtlanal.c (for_each_rtx): Define it.
9677 * recog.c (change_t): New type.
9678 (change_objects, change_old_codes, change_locs, change_olds):
9680 (changes): New variable.
9681 (validate_change): Dynamically allocate room for more changes, if
9682 necessary. Uses changes array instead of change_objects, etc.
9683 (apply_change_group): Use changes array instead of
9684 change_objects, etc.
9686 * loop.c (loop_mem_info): New type.
9687 (loop_mems): New variable.
9688 (loop_mems_idx): Likewise.
9689 (looop_mems_allocated): Likewise.
9690 (scan_loop): Remove nregs parameter.
9691 (next_insn_in_loop): New function.
9692 (load_mems_and_recount_loop_regs_set): Likewise.
9693 (load_mems): Likewise.
9694 (insert_loop_mem): Likewise.
9695 (replace_loop_mem): Likewise.
9696 (replace_label): Likewise.
9697 (INSN_IN_RANGE_P): New macro.
9698 (loop_optimize): Don't pass max_reg_num() to scan_loop.
9699 (scan_loop): Remove nregs parameter, compute it after any new
9700 registers are created by load_mems. Use INSN_IN_RANGE_P and
9701 next_insn_in_loop rather than expanding them inline. Call
9702 load_mems to load memory into pseudos, if appropriate.
9703 (prescan_loop): Figure out whether or not there are jumps from the
9704 loop to targets other than the label immediately following the
9705 loop. Call insert_loop_mem to notice all the MEMs used in the
9706 loop, if it could be safe to pull MEMs into REGs for the duration
9708 (strength_reduce): Use next_insn_in_loop. Tweak comments.
9710 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
9712 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
9714 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9716 * config/sparc/sparc.c (finalize_pic): Check for the correct
9717 nonlocal_goto_receiver UNSPEC number.
9718 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
9719 making note of this dependency existing in sparc.c
9720 (negtf2_notv9 split): Give NEG SFmode.
9721 (negsf2): Fix insn output string.
9723 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
9725 * c-common.c (decl_attributes): Issue an error if the argument
9726 to alias is not a string.
9728 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
9730 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
9731 pending memory flush list.
9733 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
9735 (try_combine): Allow combining insns with REG_LIBCALL notes.
9737 * expr.c (emit_block_move): Do not call memcpy as a libcall
9738 instead build up a CALL_EXPR and call it like any other
9740 (clear_storage): Similarly for memset.
9742 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
9745 * Makefile.in (cplus-dem.o): Provide explicit rules for building
9748 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
9749 and REG_LIVE_LENGTH as successful substitutions are made.
9751 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9753 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
9754 statement after end of loop label.
9756 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9758 * config/sparc/sparc.c (ultra_types_avail): New variable.
9759 (ultra_build_types_avail): New function to record mask of insn
9760 types in ready list at this cycle.
9761 (ultrasparc_sched_reorder): Call it.
9762 (ultra_find_type): Use it to quicken the search. Also simplif
9763 dependency check, don't use rtx_equal_p because we know exactly
9764 what we are looking for.
9766 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
9768 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
9769 for architecture v4.
9771 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9773 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
9775 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
9776 movdf_const_intreg and helper splits): New patterns to move float
9777 constants into integer registers.
9778 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
9781 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
9784 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
9786 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
9788 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
9789 a BASE_REGS register is needed as an intermediate when copying
9790 a symbolic value into any register class other than BASE_REGS.
9792 * expr.c (move_by_pieces): No longer static. Remove prototype.
9793 * rtl.h (move_by_pieces): Add extern prototype.
9794 * mips.c (expand_block_move): Handle aligned straight line copy by
9795 calling move_by_pieces.
9797 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
9800 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
9802 * stmt.c (expand_end_loop): Tidy. Allow unconditional
9803 jumps out of the loop to be treated as part of the exit test.
9805 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9806 Jeff Law <law@cygnus.com>
9808 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
9809 * cplus-dem.c: Delete.
9811 * Makefile.in (fold-const.o): depend on $(RTL_H).
9813 * fold-const.c: Include rtl.h to get the prototype for
9814 `set_identifier_local_value'.
9816 * loop.c (express_from_1): Remove unused variable `tmp'.
9817 (combine_givs): cast the first argument of bzero to char *.
9819 * toplev.c (display_help): Remove unused variable `looking_for_start'.
9821 * c-decl.c (init_decl_processing): Remove unneeded &.
9823 * alpha.h (alpha_initialize_trampoline): Provide prototype.
9825 * except.c (set_exception_lang_code, set_exception_version_code):
9826 Change parameter from `short' to `int' to avoid using a gcc
9829 * except.h (set_exception_lang_code, set_exception_version_code):
9830 Likewise for prototypes.
9832 * flow.c (count_reg_references): Remove unused variables `regno'
9835 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
9837 * prefix.c (translate_name): Cast the result of `alloca'.
9839 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
9841 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9843 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
9845 (valid_dbcc_comparison_p): Mark mode argument as unused.
9846 (symbolic_operand): Likewise.
9847 (legitimize_pic_address): Likewise.
9848 (const_uint32_operand): Likewise.
9849 (const_sint32_operand): Likewise.
9850 * sched.c [!INSN_SCHEDULING]: Define only dummy function
9851 schedule_insns and comment out rest of file.
9853 * m68k.c (output_move_simode_const): Use subl to move a zero into an
9855 (output_move_[hq]imode): Likewise.
9857 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
9859 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
9860 * invoke.texi: Corresponding changes.
9862 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
9864 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
9866 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9868 * config/sparc/sparc.c (ultra_code_from_mask,
9869 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
9870 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
9871 ultrasparc_sched_init, ultrasparc_variable_issue,
9872 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
9873 functions to describe UltraSPARC pipeline exactly to Haifa.
9874 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
9875 as there is nothing the scheduler can do about it. Indicate that
9876 REG_DEP_OUTPUT's collide. Fixup formatting.
9877 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
9878 divide costs on Ultra for DImode.
9879 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
9881 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
9882 ieuN and add call_no_delay_slot to type list.
9883 (cti function unit): New unit for branches on UltraSPARC.
9884 (subx/addx insns): Set type to misc.
9885 (sidi zero/sign extension insns on arch64): Set type to shift.
9886 (sign_extendhidi2_insn): Set type to sload.
9888 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
9890 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
9891 (output_epilog): Use if != 0 for offset.
9892 (rs6000_fatal_bad_address): Prepare for Intl.
9893 * rs6000.h (rs6000_fatal_bad_address): Declare.
9894 * rs6000.md (movsfcc, movdfcc): Use else if.
9895 (elf_high): Use {liu|lis}.
9896 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
9897 (movsi): Use rs6000_fatal_bad_address.
9899 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
9901 * reload.c (find_equiv_reg): Reject equivalences separated
9902 by a volatile instruction.
9904 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9906 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
9908 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
9910 * alpha.md (movsicc): Fix mode mismatch.
9912 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
9914 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
9916 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
9918 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9920 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
9921 write-only modifier from operand 1 constraint.
9923 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9925 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
9926 emitting a XOR of -1 at the end, emit a NOT instead for combine's
9928 (sparc_emit_set_const64): Likewise, also when computing trailing
9929 bits do not negate low_bits and make fast_int an int.
9931 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
9933 * loop.c (add_label_notes): Do not ignore references to labels
9934 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
9935 * gcse.c (add_label_notes): Similarly.
9937 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
9939 * m68k.md (adddi_dilshr32): One of the operands must be a register.
9940 (adddi_dishl32): Similarly.
9942 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
9944 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
9945 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
9946 * cse.c (cse_basic_block): Add parens to shut up warnings.
9948 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9950 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
9951 sparc_emit_set_const64_longway, const64_is_2insns,
9952 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
9953 in 64-bit constant formation.
9954 * config/sparc/sparc.md (snesi_zero_extend split): Generate
9955 rtl for addx not subx.
9956 (define_insn movdi_const64_special): Make available even when
9957 HOST_BITS_PER_WIDE_INT is not 64.
9958 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
9959 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
9960 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
9961 instances of operand 1 inside a QI subreg.
9962 (xordi3_sp64_dbl): Remove '%' constraint for op1.
9963 (one_cmpldi2_sp64): Fix output string.
9964 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
9966 (unnamed arch64 ashift DI): Truncate shift count if greater than
9969 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9971 * expr.c (store_expr): Don't optimize away load-store pair
9972 when either source or destination have a side effect.
9974 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
9976 * genrecog.c (add_to_sequence): Fatal error if the modes of the
9977 operands of SET are incompatible.
9979 * alpha.md: Fix max and min patterns so modes of SET operands match.
9981 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
9983 * configure.in: Avoid [[ by using test and changequote.
9984 * configure: Rebuild.
9986 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9988 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
9990 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
9991 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
9992 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
9993 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
9994 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
9995 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
9996 Fix mismatching modes in SET operands.
9997 (conditional move patterns): Fix formatting.
9998 (unnamed subx arch64 pattern): Remove duplicate insn.
10000 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10002 * config/sparc/sparc.c (const64_operand, const64_high_operand):
10003 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
10004 (input_operand): Fixup test for what we accept for constant
10006 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
10008 (safe_constDI): Remove.
10009 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
10010 gen_safe_XOR64): New functions.
10011 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
10012 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
10014 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
10015 available when HOST_BITS_PER_WIDE_INT is not 64.
10016 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
10017 move before movdi_insn_sp64 pattern.
10018 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
10019 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
10020 symbolic_operand as predicate for second operand.
10021 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
10022 expander): Give set VOIDmode.
10024 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
10026 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
10028 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
10030 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
10032 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
10034 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
10036 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
10038 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
10040 * install.texi: Various SCO OpenServer tweaks.
10042 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
10044 * reload1.c (eliminate_regs_in_insn): Handle another case when
10045 eliminating the frame pointer to the hard frame pointer. Add
10046 missing ep->to_rtx check to one existing case.
10048 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
10050 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
10052 * tree.h: De-conditionalize init_priority code.
10054 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
10055 * collect2.c (NM_FLAGS): Change from -p to -n.
10057 * configure.in: Turn on collect2 for mipstx39-elf.
10058 Handle use_collect2=no properly.
10060 * c-common.c: De-conditionalize init_priority code.
10061 * collect2.c (extract_init_priority, sort_ids): New fns.
10062 (main): Call sort_ids.
10063 Move sequence_number to file scope.
10065 * configure.in: Handle --enable-init-priority.
10066 * c-common.c (attrs): Add A_INIT_PRIORITY.
10067 (init_attributes, decl_attributes): Likewise.
10068 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
10069 * tree.c (get_file_function_name_long): Split out...
10070 (get_file_function_name): ...from here.
10072 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
10074 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
10077 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
10079 * toplev.c (display_help): Add braces to shut up warnings.
10080 * tree.c (simple_cst_equal): Likewise.
10082 * fold-const.c (non_lvalue): Don't deal with null pointer
10084 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
10086 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
10087 of any size to a pointer.
10089 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
10091 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
10093 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
10095 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
10096 which will be saved.
10097 * mn10300.md (prologue insn): Only save registers which need saving.
10098 (epilogue insn): Similarly.
10100 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
10103 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
10105 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
10106 VAR_DECL's in gp addressable sections.
10108 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
10110 * sparc.c: Change return <exp> to <exp>; return; in functions
10112 * sparc.md: Add empty semicolon statement after final label in
10115 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10117 * config/sparc/sparc.md (define_insn addx_extend): Rename to
10118 addx_extend_sp64, only allow when TARGET_ARCH64.
10119 (define_insn addx_extend_sp32 and split): Version that works when
10121 (define_insn subx_extend): Likewise.
10122 (define_split adddi3 and subdi3 with zero extension): Fixup and
10123 correct bugs when not TARGET_ARCH64.
10125 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
10127 * except.c (set_exception_lang_code, set_exception_version_code):
10128 Use prototype-style definition if __STDC__, to match declaration
10131 * genemit.c: Change FAIL and DONE macros not to use loops.
10133 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
10135 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
10136 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
10138 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
10140 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
10142 * README.g77: Update from Craig.
10144 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10146 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
10147 type HOST_WIDE_INT.
10148 (safe_constDI sparc_emit_set_const64_quick1,
10149 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
10150 analyze_64bit_constant, const64_is_2insns,
10151 create_simple_focus_bits): Fix some bugs when compiled on real
10153 (function_arg_record_value_3, function_arg_record_value_2,
10154 function_arg_record_value): Add fully prototyped forward decls.
10155 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
10156 to cmpsi_insn and use on both 64 and 32 bit targets.
10157 (define_insn cmpsi_insn_sp64): Remove.
10158 (define_expand zero_extendsidi2): Allow for 32-bit target too.
10159 (define_insn zero_extendsidi2_insn): Rename to
10160 zero_extendsidi2_insn_sp64.
10161 (define_insn zero_extendsidi2_insn_sp32): New pattern and
10162 assosciated forced split for it.
10164 * config/sparc/sparc.c (const64_operand, const64_high_operand):
10166 * config/sparc/sparc.h: Declare them.
10167 (PREDICATE_CODES): Add them.
10168 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
10169 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
10171 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
10173 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
10174 in v9 case as the latter makes the Solaris assembler crash.
10176 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10178 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
10179 for TFmode when !v9. We require offsettable memory addresses.
10180 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
10181 DFmode register number conversions.
10182 * config/sparc/sparc.md (define_split DFmode moves): If register
10183 is a SUBREG do alter_subreg on it before using.
10184 (define_expand movtf): Fixup comment about alignment on v9.
10185 (define_split TFmode moves): Don't use gen_{high,low}part, create
10186 explicit SUBREGs instead.
10188 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
10190 * Makefile.in (mbchar.o): Depend on mbchar.c.
10192 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10193 Richard Henderson <rth@cygnus.com>
10195 Rewrite Sparc backend for better code generation and
10196 improved sparc64 support.
10197 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
10199 * config/sparc/sysv4.h: Likewise.
10200 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
10201 move_operand, v8plus_regcmp_op, emit_move_sequence,
10202 singlemove_string, doublemove_string, mem_aligned_8,
10203 output_move_double, output_move_quad, output_fp_move_double,
10204 move_quad_direction, output_fp_move_quad, output_scc_insn):
10206 (small_int_or_double): New predicate.
10207 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
10208 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
10209 old pic_{sethi,lo_sum}_si patterns.
10210 (mem_min_alignment): New generic function to replace
10211 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
10212 available and can test for arbitrary alignments. All callers
10214 (save_regs, restore_regs, build_big_number,
10215 output_function_prologue, output_cbranch, output_return,
10216 sparc_flat_save_restore, sparc_flat_output_function_prologue,
10217 sparc_flat_output_function_epilogue): Prettify
10219 (output_function_epilogue): Likewise and add code to output
10220 deferred case vectors.
10221 (output_v9branch): Likewise, add new arg INSN and use it to tack
10222 on branch prediction settings. All callers changed.
10223 (print_operand): Likewise and output %l44 for LO_SUMs when
10225 (sparc_splitdi_legitimate): New function to make sure DImode
10226 splits can be run properly when !arch64.
10227 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
10228 Reformat example code in comments.
10229 (set_extends): Remove UNSPEC/v8plus_clear_high case.
10230 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
10231 of deferred case vectors we need to output.
10232 (sparc_defer_case_vector): Record a case vector.
10233 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
10234 sparc_output_deferred_case_vectors): New functions to output them.
10235 (sparc_emit_set_const32): New function to form 32-bit constants in
10236 registers when that requires more than one instruction.
10237 (safe_constDI, sparc_emit_set_const64_quick1,
10238 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
10239 analyze_64bit_constant, const64_is_2insns,
10240 create_simple_focus_bits, sparc_emit_set_const64): New functions
10241 which do the same for 64-bit constants when arch64.
10242 (sparc_emit_set_symbolic_const64): New function to emit address
10243 loading for all code models on v9.
10244 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
10245 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
10246 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
10247 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
10248 inaccuracies in comments, add symbolic and text_segment operands
10249 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
10250 GENERAL_REGS in these cases as a temp REG is needed to load these
10251 addresses into a register properly.
10252 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
10254 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
10255 quads are guarenteed to have 16-byte alignment.
10256 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
10257 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
10258 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
10259 deferred case vector implementation.
10260 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
10261 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
10262 Generate "internal label - label" instead of "label - 1b".
10263 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
10264 (PREDICATE_CODES): Remove sparc_operand, move_operand,
10265 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
10267 (doublemove_string, output_block_move, output_fp_move_double,
10268 output_fp_move_quad, output_move_double, output_move_quad,
10269 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
10270 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
10271 (sparc_emit_set_const32, sparc_emit_set_const64,
10272 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
10273 mem_min_alignment, small_int_or_double): Add externs.
10274 * config/sparc/sparc.md: Document the many uses of UNSPEC and
10275 UNSPEC_VOLATILE in this backend.
10276 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
10277 unary to types which execute in it.
10278 (define_function_unit ieu_shift): Rename to ieu0.
10279 (define_function_unit ieu1): New, executes compare, call, and
10280 uncond_branch type insns.
10281 (define_function_units for type fdivs, fdivd, fsqrt): These
10282 execute in the fpu multiply unit not the adder on UltraSparc.
10283 (define_expand cmpdi): Disallow TARGET_V8PLUS.
10284 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
10285 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
10286 allows the arith_double_operand predicate and rHI constraint when
10288 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
10289 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
10290 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
10291 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
10292 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
10293 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
10294 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
10295 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
10296 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
10297 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
10298 sign_extendqihi2_insn, sign_extendqisi2_insn,
10299 sign_extendqidi2_insn, sign_extendhidi2_insn,
10300 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
10301 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
10302 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
10303 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
10304 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
10305 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
10306 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
10307 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
10308 smulsi3_highpart_v8plus, unnamed subreg mult,
10309 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
10310 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
10311 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
10312 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
10313 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
10314 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
10315 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
10316 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
10317 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
10318 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
10319 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
10320 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
10321 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
10322 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
10323 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
10324 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
10325 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
10326 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
10327 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
10328 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
10329 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
10330 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
10331 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
10332 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
10333 call_address_untyped_struct_value_sp32,
10334 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
10335 call_value_symbolic_sp32, call_value_address_sp64,
10336 call_value_symbolic_sp64, branch_sp32, branch_sp64,
10337 flush_register_windows, goto_handler_and_restore,
10338 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
10339 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
10340 return_addsi, return_di, return_adddi, return_sf, all call+jump
10341 peepholes, trap, unnamed trap insns): Prettify output strings.
10342 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
10343 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
10344 Likewise and force + implement splits for integer cases.
10345 (define_insn return_sf_no_fpu): Likewise and allow to match when
10346 no-fpu because of our subreg SFmode splits.
10347 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
10348 zero_extendqidi2_insn, zero_extendhidi2_insn,
10349 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
10350 input_operand for second operand.
10351 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
10352 reg_or_0_operand for operand 2 so new splits can use it.
10353 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
10354 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
10356 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
10357 CONST_DOUBLEs for operand 2.
10358 (define_insn move_label_di): Likewise and label distance
10359 optimization because it no longer works with new deferred case
10360 vector scheme. To be revisited.
10361 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
10362 and allow reg_or_0_operand and J constraint for second operand.
10363 (define_insn jump): Set branch predict taken on V9.
10364 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
10365 new deferred case vector scheme.
10366 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
10367 (define_insn negdi2_sp32): Force + implement splits.
10368 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
10369 one_cmplsi2_not_liveg0 respectively, and create expander of original
10370 names which emit special rtl for TARGET_LIVE_G0.
10371 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
10372 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
10373 gen_compare_reg, FAIL instead.
10374 (define_insn sgtu, sleu): Likewise and check gen_s*() return
10375 values when trying to reverse condition codes, if they FAIL then
10377 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
10378 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
10379 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
10380 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
10381 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
10382 set output string to # to indicate they are mandatory splits.
10383 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
10384 pic_sethi_di, move_pic_label_si): Remove.
10385 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
10386 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
10388 (define_expand movsi_pic_label_ref, define_insn
10389 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
10390 expander and insns to handle PIC label references and deferred
10392 (define_insn get_pc_via_rdpc): Comment out as it is no longer
10394 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
10395 Rewrite to not use emit_move_sequence, make use of new constant
10396 formation code, and new splits for all multi-insn cases.
10397 (define_insn movqi_insn): Remove sethi case, it can never happen.
10398 Use reg_or_zero_operand instead of const0_rtx explicit test,
10399 use input_operand instead of move_operand for source, and use
10400 general_operand now for dest.
10401 (define_insn movhi_insn): Similar but leave sethi case.
10402 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
10403 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
10404 movhi_lo_sum respectively, prettify output string.
10405 (define_insn movsi_zero_liveg0): New pattern to put zero into a
10406 register when needed on TARGET_LIVE_G0.
10407 (define_insn movsi_insn): Use general_operand and input_operand
10408 for dest and src respectively. Simplify applicability test.
10409 Prettify output strings, and add clr alternative for J
10411 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
10412 deprecated std and reg-reg DI moves): Remove and...
10413 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
10414 implementation which uses forced splits for all non-single insn
10416 (define_split DI move cases on !arch64): New splits to handle all
10417 situations of 64-bit double register DImode on 32bit, and
10418 unaligned registers and memory addresses for all subtargets.
10419 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
10421 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
10422 input_operand for dest and src respectively, prettify output
10424 (define_insn movdf_insn, movdf_no_e_insn, store_df,
10425 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
10427 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
10428 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
10429 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
10430 movtf_no_e_insn_sp64) Replace with new
10431 implementation which uses forced splits for all non-single insn
10433 (define_split DF move cases): New splits in similar vein to DI
10435 (define_insn sethi_di_medlow, sethi_di_medium_pic,
10436 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
10437 movdi_sp64_insn): Remove old v9 code model and constant loading
10438 support insns and..
10439 (define_insn pic_lo_sum_di, pic_sethi_di,
10440 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
10441 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
10442 embmedany_sethi, embmedany_losum, embmedany_brsum,
10443 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
10444 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
10445 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
10446 scheme, using unspecs, secondary reloads, and one to one sparc
10447 insn to rtl insn mapping for better scheduling and code gen.
10448 (define_expand reload_indi, reload_outdi): Reload helpers for
10449 MEDANY and EMBMEDANY symbol address loading cases which require a
10450 temporary register.
10451 (define_expand movsicc): Remove v8plus_regcmp cases.
10452 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
10453 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
10454 cmp_diqi_trunc_set): New patterns used by some of the new scc
10456 (define_insn xordi3_sp64_dbl): New pattern used for constant
10457 formation when crossing from 32-bit targets.
10458 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
10460 (define_insn addx, subx): Make visible and prettify.
10461 (define_insn adddi3_insn_sp32): Likewise and force split.
10462 (define_insn addx_extend, subx_extend, unnamed): New patterns for
10463 64bit scc split usage.
10464 (define_insn unnamed plusDI zero_extend, unnamed minusDI
10465 zero_extend, subdi3): Force and implement splits.
10467 * final.c (final_scan_insn): Don't output labels if target
10468 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
10471 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
10472 don't forget to walk inside SEQUENCESs too as these are what the
10473 delay slot scheduler will create.
10475 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
10477 * alpha.md (extxl+1,+2): New patterns to work around
10480 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
10482 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
10483 caused bad assembly code to be generated.
10485 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
10487 * netbsd.h: Fix typo.
10489 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
10491 * config.sub: Fix typo.
10493 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
10495 * invoke.texi (Environment Variables): Typo: Change "ascpects"
10497 (Running Protoize): Typo: Change "ther" into "other".
10499 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
10501 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
10502 * m68k/netbsd.h: Likewise.
10503 * ns32k/netbsd.h: Likewise.
10504 * sparc/netbsd.h: Likewise.
10506 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
10508 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
10509 * ginclude/va-clipper.h (va_list): Likewise.
10511 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
10513 * rs6000.c (rs6000_override_options): If big endian and -Os, use
10514 load/store multiple instructions unless user overrides.
10516 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
10518 * ns32k/netbsd.h: Fix typo.
10520 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
10522 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
10523 labels with .debugsym if no parallel insns.
10525 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
10527 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
10528 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
10530 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
10532 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
10533 (AR_FOR_TARGET): Define.
10535 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
10537 * dyn-string.h: New file.
10538 * dyn-string.c: Likewise.
10539 * Makefile.in (OBJS): Add dyn-string.o.
10540 (dwarf2out.o): Add dyn-string.h dependency.
10541 (dyn-string.o): List dependencies.
10542 * dwarf2out.c: Include dyn-string.h.
10543 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
10544 (addr_const_to_string): Take a dyn_string_t, not a char* as a
10545 prototype. Use dyn_string_append rather than strcat, throughout.
10546 (addr_to_string): Use dyn_string_t.
10548 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
10550 Function entry/exit profiling instrumentation:
10551 * expr.h (profile_function_entry_libfunc,
10552 profile_function_exit_libfunc): Declare new variables.
10553 * optabs.c: Define them here.
10554 (init_optabs): Initialize them.
10555 * tree.h (struct tree_decl): New flag
10556 no_instrument_function_entry_exit.
10557 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
10558 * c-decl.c (duplicate_decls): Merge it.
10559 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
10560 (init_attributes): Use it for "no_instrument_function".
10561 (decl_attributes): Handle it, for functions that have not yet been
10562 compiled. Set decl flag.
10563 * flags.h (flag_instrument_function_entry_exit): Declare new
10565 * toplev.c (flag_instrument_function_entry_exit): Define it here.
10566 (f_options): New option "instrument-functions".
10567 * function.h (struct function): New field instrument_entry_exit.
10568 * function.c (current_function_instrument_entry_exit): New
10570 (push_function_context_to, pop_function_context_from): Save and
10572 (expand_function_start): Set current_ variable, maybe emit return
10573 label and entry profile call.
10574 (expand_function_end): Maybe emit exit profile call.
10576 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
10578 * i386.md (movqi): When optimizing a load of (const_int 1) into a
10579 NON_QI_REG_P, pretend the register is SImode.
10581 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
10583 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
10584 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
10585 manufacturer id for ns32k.
10586 * configure: Regenerated.
10587 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
10588 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
10589 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
10590 * config/m68k/netbsd.h: Same.
10591 * config/ns32k/netbsd.h: Same.
10592 * config/sparc/netbsd.h: Same.
10594 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
10596 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
10597 or UNROLL_COMPLETELY loop that starts with a jump to its
10600 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
10602 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
10603 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
10604 (print_operand, case 'B'): Don't fall through.
10605 (print_operand, case 'S'): Correct mask begin/end computation.
10606 Use HOST_BITS_PER_WIDE_INT.
10607 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
10608 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
10609 * rs6000/aix41.h (CPP_PREDEFINES): Same.
10610 * rs6000/aix43.h (CPP_PREDEFINES): Same.
10612 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
10614 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
10615 constraint from second alternative.
10617 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
10619 * configure.in: Fix --without/--disable cases for local-prefix,
10620 gxx-include-dir and checking.
10622 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10624 * configure.in (enable_haifa): Set by default for sparc64 too.
10625 configure: Rebuilt.
10627 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
10629 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
10630 * i386/winnt.c (associated_type): New fn.
10631 (i386_pe_valid_type_attribute_p): New fn.
10632 (i386_pe_check_vtable_importexport): Remove.
10633 (i386_pe_dllexport_p): Use associated_type.
10634 (i386_pe_dllimport_p): Likewise.
10636 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
10637 * i386.c (i386_valid_type_attribute_p): Also accept
10638 attributes for METHOD_TYPEs.
10640 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
10642 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
10644 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
10646 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
10648 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
10649 them from generating a new base name for each occurence of
10652 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
10654 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
10656 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
10660 * cplus-dem.c (type_kind_t): New type.
10661 (demangle_template_value_parm): Add type_kind_t parameter. Rely
10662 on this paramter, rather than demangling the type again.
10663 (demangle_integral_value): Pass tk_integral.
10664 (demangle_template_: Pass the value returned from do_type.
10665 (do_type): Return a type_kind_t. Pass tk_integral to
10666 demangle_template_value_parm for array bounds.
10667 (demangle_fund_type): Likewise.
10669 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
10671 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
10674 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
10676 * pa.c (move_operand): Accept CONSTANT_P_RTX.
10678 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
10680 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
10682 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
10685 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
10687 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
10688 (DEBUGGER_ARG_OFFSET): Likewise.
10690 * mn10300.md (movsf): Remove last change. Not needed.
10692 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
10694 * c-lex.c (yylex): Fix boundary conditions in character literal and
10695 string literal loops.
10697 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
10699 * longlong.h (count_leading_zeros): Sparclite scan instruction was
10700 being invoked incorrectly.
10702 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
10703 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
10705 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
10706 * configure.in: Added i[34567]86-*-win32
10707 * config.sub: Ditto.
10708 * configure: Rebuilt.
10710 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
10712 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
10713 the frame pointer and compiling PIC code and reload has not completed.
10715 * i386.c (output_to_reg): Add code to emulate non-popping DImode
10718 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
10720 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
10722 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10724 * Makefile.in (install-info): Only try to update the info
10725 directory file if it exists in the first place.
10727 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
10729 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
10731 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
10733 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
10734 CONST_DOUBLE source.
10736 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
10738 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
10739 strings as the insertion of USER_LABEL_PREFIX.
10740 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
10742 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
10745 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
10747 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
10748 already defined type.
10750 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
10752 * expr.c (check_max_integer_computation_mode): Allow conversions
10753 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
10754 (expand_expr): Likewise.
10756 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10758 * expr.c (expand_expr): Expand RETURN_EXPR.
10760 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
10762 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
10764 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
10766 * dwarf2out.c (output_aranges): Call stripattributes
10767 for TEXT_SECTION references.
10768 (output_line_info): Likewise.
10770 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10772 * profile.c (branch_prob): Call allocate_reg_info after outputting
10773 profile rtl in instrument_arcs.
10775 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
10777 * fixinc.irix (math.h): Install wrapper instead of copying.
10779 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10781 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
10782 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
10783 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
10784 lang_flag_0. Added documentation in the flag table.
10786 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
10788 * cccp.c (do_include): Fix vax c style include handling.
10790 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
10792 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
10794 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
10796 * fold-const.c (non_lvalue): Don't deal with null pointer
10798 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
10800 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
10802 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
10803 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
10804 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
10805 (u_short_cint_operand): Same.
10806 (reg_or_cint_operand): Same.
10807 (logical_operand): Same.
10808 (input_operand): Same.
10809 (reg_or_short_operand): Use u_short_cint_operand.
10811 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
10813 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
10814 but keep the insns and splits. Adjust so when the ultimate destination
10815 is memory, use cvtql.
10817 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
10819 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
10821 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
10823 * gcc.c (do_spec): Call "error" not "warning".
10825 * configure.in: Fix minor problems with gas feature detection code.
10826 * configure: Rebuilt.
10828 * gcc.c (do_spec): Issue a warning for '%[]' usage.
10830 * Undo this change.
10831 * gcc.c: Delete %[spec] support.
10832 (do_spec_1, case '('): Likewise.
10833 (do_spec_1, case '['): Call error.
10835 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
10837 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
10838 (CPP_SUBTARGET_SPEC): Default to empty string.
10839 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
10840 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
10841 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
10842 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
10844 * alpha/linux.h (CPP_PREDEFINES): Tidy.
10845 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
10846 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
10847 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
10848 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
10849 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
10850 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
10851 * alpha/vxworks.h: Likewise.
10853 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
10855 * mips.md (reload_outsi): Added missing REGNO call.
10856 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
10858 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
10859 another match_operator and compare the codes.
10861 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
10863 * MIPS multiply pattern fixes:
10864 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10865 Add union classes for HI, LO, or HILO plus general registers.
10866 (GENERATE_MADD): Deleted.
10867 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
10868 Add TARGET_MAD to condition.
10869 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
10870 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
10871 "*d" for accumulator, to give preference to LO initially but not
10874 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
10876 * configure.in (enable_c_mbchar): New configure option.
10877 (extra_cpp_objs): Always available now.
10879 * cexp.y (mbchar.h): #include it.
10880 (yylex): Handle Multibyte characters in character literals.
10882 * cccp.c (mbchar.h): #include it.
10883 (main): Set character set based on LANG environment variable.
10884 (rescan): Handle multibyte characters in comments.
10885 (skip_if_group): See above.
10886 (validate_else): See above.
10887 (skip_to_end_of_comment): See above.
10888 (macarg1): See above.
10889 (discard_comments): See above.
10890 (rescan): Handle multibyte characters in string and character literals.
10891 (collect_expansion): See above.
10892 (skip_quoted_string): See above.
10893 (macroexpand): See above.
10894 (macarg1): See above.
10895 (discard_comments): See above.
10896 (change_newlines): See above.
10898 * c-lex.c (mbchar.h): #include it.
10899 (GET_ENVIRONMENT): New macro.
10900 (init_lex): Set character set based on LANG environment variable.
10901 (yylex): Handle multibyte characters in character literals.
10902 (yylex): Handle multibyte characters in string literals.
10904 * Makefile.in (mbchar.o): New target.
10905 (cccp$(exeext)): @extra_cpp_objs@ is always available.
10906 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
10908 * mbchar.[ch]: New files for multibyte character handling.
10910 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10912 * jump.c (jump_optimize): When simplifying noop moves and
10913 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
10914 the PUSHes to rewrite in second loop as we did in the first.
10916 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10918 * cplus-dem.c (demangle_nested_args): Make function definition
10919 static to match the prototype.
10921 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
10923 * alloca.c: Respect USE_C_ALLOCA.
10924 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
10925 * gengenrtl.c (xmalloc): Likewise.
10927 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
10929 * loop.h (struct induction): Add no_const_addval.
10930 * loop.c (the_movables, reg_address_cost): New variables.
10931 (init_loop): Init reg_address_cost.
10932 (loop_optimize): Call end_alias_analysis.
10933 (scan_loop): Init the_movables.
10934 (record_giv): Init induction->no_const_addval.
10935 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
10936 [REG]: Rearrange loop search test to catch more cases.
10937 (general_induction_var): Return success not benefit; take an extra
10938 argument for that. Change all callers.
10939 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
10940 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
10941 [default]: Search the_movables for additional combinations.
10942 (sge_plus_constant, sge_plus): New functions.
10943 (express_from_1): New function.
10944 (express_from): Always define. Rewrite using express_from_1.
10945 (combine_givs_p): Handle more cases. Ignore address cost.
10946 (cmp_combine_givs_stats): New function.
10947 (combine_givs_used_once, combine_givs_benefit_from): New functions.
10948 (combine_givs): Rewrite to do best-fit combination.
10950 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
10951 (fold): Do a complete (A*C)+(B*C) association check.
10953 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
10955 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
10957 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
10959 * mn10300.c (MODES_TIEABLE_P): Fix typo.
10961 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
10963 * tree.c (valid_machine_attribute): Only create a new type variant if
10964 there is a decl to use it.
10966 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
10968 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
10971 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
10973 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
10976 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
10978 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
10979 Simplify tests for clearing an address register.
10980 (expand_prologue): Corresponding changes.
10982 * mn10300.md (movXX patterns): Make sure the destination is an
10983 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
10984 (logical patterns): Split into expanders + patterns
10985 (zero and sign extension patterns): Similarly.
10986 (shift patterns): Similarly.
10988 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
10990 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
10991 for the sequence, recording base values.
10993 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
10995 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
10997 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
10999 * gcc.c: Remove ANSI-C ism from --help code.
11001 * toplev.c: Support --help with USE_CPPLIB.
11003 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
11005 * configure.in: Rework gas feature code to work with symlink based
11008 * extend.texi: Clarify some issues related to local variables
11009 assigned to explicit registers.
11011 * mn10300.md (mulsi): Turn into expander + pattern.
11013 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
11016 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
11018 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
11020 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
11022 * version.c: Bump again to distinguish mainline tree from the
11025 See ChangeLog.0 for earlier changes.
11028 add-log-time-format: current-time-string
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