1 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
4 WIDE_INT with WIDEST_INT.
7 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
8 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
9 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
10 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
11 definition of variable `c89' when compiling a test binary and set it.
13 * system.h: Don't define the PRINTF_PROTO_* macros.
15 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
17 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
18 we do not understand, mark the loop and containing loops as invalid.
20 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22 * alias.c (init_alias_analysis): Avoid self-referential value
23 when setting reg_known_value from REG_EQUAL notes.
25 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
27 * i386.c (legitimate_address_p): Verify modes of base and index.
29 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
31 * i386.c (legitimate_pic_address_disp_p): Remove static.
32 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
35 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
37 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
38 * explow.c (probe_stack_range): Likewise.
39 * expmed.c (do_cmp_and_jump): Likewise.
40 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
41 (do_tablejump): Likewise.
42 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
43 (do_jump_if_equal, emit_case_nodes): Likewise.
44 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
45 then convert comparison to an unsigned code before emitting the jump.
46 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
48 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
50 * version.c: Bump for snapshot.
52 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
54 * version.c: Bump for snapshot.
56 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
58 * loop.c: Disable recent loop changes. Temporary as Joern
59 continues to fix problems.
61 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
63 * loop.c (combine_givs_used_by_other): Delete.
64 (combine_givs_benefit_from): Delete.
65 (combine_givs): Deny combination of givs only used once. Simplify
66 code with the death of combine_givs_benefit_from.
68 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
70 * loop.c (scan_loop): Call reg_in_basic_block_p before
71 loop_reg_used_before_p.
73 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
75 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
79 * arm.h (TARGET_OPTIONS): Reformat for clarity.
80 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
81 in the constant pool aren't valid.
82 (LEGITIMATE_PIC_OPERAND_P): Likewise.
84 * arm.c: Include "system.h", not stdio.h and string.h.
86 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
88 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
89 (optimize_tail_recursion): Change return type from void to int.
90 Add return statements.
91 * tree.h (optimize_tail_recursion): Change prototype to match.
93 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
95 * reload.c (find_reloads_subreg_address): New function, broken out of
97 (find_reloads_toplev, find_reloads_address_1): Use it.
99 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
101 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
102 extending a CONST_INT.
104 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
106 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
108 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
110 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
112 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
114 * loop.c (load_mems): Don't guess how to do a load / store, use
117 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
119 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
121 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
123 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
125 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
127 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
128 pseudo which is homed in the stack.
130 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
131 (compute_frame_size): Change loop over FP regs to be consistent
132 with the loop in save_restore_insns.
134 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
136 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
137 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
139 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
141 * mn10200.md (bset); Re-enable.
143 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
145 * sh.md (is_sfunc): New attribute.
146 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
148 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
150 * fold-const.c (range_binop): Take account of the bounded nature
151 of fixed length arithmetic when comparing unbounded ranges.
153 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
155 * function.c (assign_stack_temp_for_type): Clear best_p
156 when an exact match is found.
158 * i386.h (LOCAL_ALIGNMENT): Define.
159 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
160 (assign_stack_temp_for_type): New function based on assign_stack_temp.
161 (assign_stack_temp): Call it.
162 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
163 * stmt.c: Use assign_temp, not assign_stack_temp.
164 * tm.texi: Document LOCAL_ALIGNMENT.
166 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
168 * reorg.c: Finish deleting half-deleted comment.
170 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
172 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
174 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
176 * real.c (endian): Delete sign extension code.
177 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
178 replaced with operand_subword call.
180 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
182 * alpha.md (cmov compound patterns): Delete. Jump can now
183 create the correct constructs in the first place.
185 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
187 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
189 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
191 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
193 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
195 * tmp-emsgids.c: Delete.
197 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
199 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
202 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
204 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
206 * reload1.c (reload_combine_note_store): Second argument is no
207 longer unused/ignored. Handle multi-register hard regs.
208 (move2add_note_store): Simplify.
210 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
212 * collect2.c (collect_execute): Remove cygwin-specific code.
214 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
216 * system.h (_, N_): Remove dummy i18n macros.
217 * protoize.c: Move inclusion of intl.h to after system.h.
218 * cexp.y: Include intl.h.
221 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
223 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
224 fpic/fPIC for windows32 targets.
225 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
227 * i386/mingw32.h (CPP_SPEC): Define.
228 (CPP_PREDEFINES): Add MINGW32 version id.
229 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
231 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
232 add missing exeext to target.
234 * gcc.c (convert_filename): Handle null filename argument.
236 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
238 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
239 m constraint instead of QT.
241 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
243 * cpplib.c (special_symbol): Move IP to be declared in function
244 scope, rather than individual case statements.
246 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
248 * cppfiles.c (finclude): Handle pipes properly under old BSD
251 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
253 * system.h: Provide fallback definitions for S_ISCHR,
254 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
256 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
258 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
260 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
262 * configure.in: For PowerPC configurations, accept "401", "ec603e",
263 "740", and "750" as valid arguments to --with-cpu.
264 * configure: Rebuilt.
266 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
268 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
269 * configure: Rebuilt.
271 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
273 * rs6000.md: Revert "alternate use of crs if cr0 not available"
274 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
276 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
278 * output.h (current_function_has_computed_jump): Rename from
279 current_function_addresses_labels.
280 * function.h (struct function): Likewise for addresses_labels member.
281 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
282 * function.c (current_function_has_computed_jump): Likewise.
283 Update all references.
284 * integrate.c (function_cannot_inline_p):
285 Test current_function_has_computed_jump instead of addresses_labels.
286 (initialize_for_inline): Likewise save.
287 (output_inline_function): Likewise restore.
289 * expr.c (expand_expr): Don't reference addresses_labels variables.
290 * stmt.c (expand_computed_goto): Set has_computed_jump.
292 1999-02-08 Michael Meissner <meissner@cygnus.com>
294 This is being installed only to get it into the repository to help
295 with the revert, resubmit & review process for the massive rs6000.md
297 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
299 (anddi3_internal1): Ditto.
300 (andsi3_internal{2,3}): Correct some insn lengths.
301 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
304 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
306 * loop.c (reg_single_usage): New file-scope variable ...
307 (scan_loop): ... moved out of here. Always initialize.
308 Test loop_has_call instead of reg_single_usage not zero.
309 Free reg_single_usage after strength reduction.
310 (count_loop_regs_set): Assume single_usage non-zero.
311 (combine_givs_used_by_other): Test reg_single_usage.
312 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
313 as a parameter. Assume non-zero.
315 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
317 * cpplib.c (special_symbol): Rewrite. Don't copy things
318 multiple times. Handle __STDC__ specially. T_CONST
319 indicates a constant /string/. Don't handle T_*_TYPE and
320 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
321 adjust_position. Determine the file buffer only if needed.
322 (initialize_builtins): Handle __SIZE_TYPE__,
323 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
324 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
325 Don't provide __OBJC__; the driver does that. Provide
326 __STDC_VERSION__, using T_CONST. Use T_STDC for
327 __STDC__. Give install the length of all symbols defined.
328 (eval_if_expression): Drop code to insert and remove the
329 "defined" special symbol.
331 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
332 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
334 * cpphash.c (install): Drop the `ivalue' parameter. Constify
335 the `value' parameter. All callers changed.
336 * cpphash.h (install): Change prototype to match.
337 (union hashval): Remove `ival' member.
338 * cppexp.c (cpp_lex): Handle `defined' here.
340 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
342 * pa.h (EXTRA_CONSTRAINT): Fix comment.
344 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
346 * c-typeck.c (check_init_type_bitfields): Use nonincremental
347 initialization of unions whose first member is a bitfield.
348 Remove unnecessary code for checking the declaration mode
349 after DECL_C_BIT_FIELD.
351 * varasm.c (output_constructor): Additional comment about the
352 constructor of bitfield union initialization.
354 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
356 * config/c4x/c4x.md (*movhi_stik): New pattern.
357 (movhi): Allow some immediate constants to be directly
360 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
362 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
363 (call, call_value): Force address into a register if not valid
364 for a call instruction.
365 (load_immed_address): Emit a USE of the SYMBOL_REF that is
367 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
369 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
371 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
372 Rename from call_operand and symbolic_operand respectively. All
374 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
376 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
378 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
380 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
382 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
383 LO_SUM address for HImode or HFmode but instead force address into
384 a register so that it is offsettable.
385 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
387 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
389 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
390 REG+REG addressing if strength reduction enabled.
392 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
394 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
395 (TARGET_LIBGCC2_CFLAGS): Define.
397 1999-02-08 Nick Clifton <nickc@cygnus.com>
399 * config/v850/v850.md: Replace \\n\\t with \\;
401 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
402 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
403 Enforce TARGET_LONG_CALLS option.
405 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
407 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
409 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
411 * m88k/t-luna-gas: Remove bash dependency.
413 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
415 * collect2.c (xrealloc): Fix typo in last change.
417 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
419 * version.c: Bump for snapshot.
421 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
423 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
424 that we do not want macro replacement within a character constant.
425 (TYPE_CHECK1): Likewise.
427 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
429 * tree.h (DECL_P): New macro.
431 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
433 * version.c: Bump for snapshot.
435 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
437 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
439 * README.g77, gcc.c, gcc.texi: Update email addresses.
440 * invoke.texi system.h: Likewise.
442 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
444 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
445 to convert dest_reg to new_reg.
447 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
449 * reload1.c (reload_combine_note_store): Be more careful with
450 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
451 (move2add_note_store): Likewise.
453 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
455 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
456 U_CHAR* when assigning to one. Ensure the values of a ?: operator
459 * cppinit.c (initialize_char_syntax): Use K&R function definition.
461 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
464 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
465 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
466 (TARGET_CPU_DEFAULT): Rework to support ARM9.
467 (CPP_CPU_ARCH_SPEC): Likewise.
468 (enum processor_type): Likewise.
469 * config/arm/arm.md (attr cpu): Add arm9.
471 General scheduling changes
472 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
473 (max_insns_skipped): New variable.
474 (arm_override_options): If generating hard floating point code for
475 the FPA, emit code for version 3.
476 When optimizing for space, don't synthesize constants.
477 Reword several flags based on the requested processor and optimization
479 (use_return_insn): New argument iscond, all callers changed. Don't
480 use a return insn if it will be conditional and that would be
481 expensive; eg on StrongARM.
482 (arm_adjust_cost): Anti- and output- dependencies normally have no
484 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
485 the sequence is short.
486 (final_prescan_insn): Use max_insns_skipped instead of
487 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
488 conditional, and aviod this if it would be expensive.
489 * config/arm/arm.md (scheduling attributes and function units):
490 Rewrite to better describe ARM8, 9 and StrongARM.
492 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
494 (*ifcompare_plus_move): Use arm_rhs_operand in place of
495 arm_rhsm_operand. Rework constraints.
496 (*if_plus_move): Likewise.
497 (*ifcompare_move_plus): Likewise.
498 (*if_move_plus): Likewise.
499 (*ifcompre_arith_move): Likewise.
500 (*if_arith_move): Likewise.
501 (*ifcompare_move_arith): Likewise.
502 (*if_move_arith): Likewise.
504 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
506 1999-02-05 Michael Meissner <meissner@cygnus.com>
508 * loop.c (check_dbra_loop): A store using an address giv for which
509 we have no life information is not reversible.
511 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
513 * function.c (fixup_var_refs): Scan catch_clauses too.
515 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
517 * c-common.c (decl_attributes): Fix reserved space for init_priority.
518 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
520 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
522 * loop.c (strength_reduce): Clear not_every_iteration when
523 passing the NOTE_INSN_LOOP_CONT note.
525 * haifa-sched.c (add_dependence): Do not add a dependency on a
528 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
530 * recog.c (split_block_insns): Only call update_flow_info if
531 instruction scheduling is enabled.
533 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
535 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
537 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
539 * loop.c (first_loop_store_insn): New file-scope variable.
540 (prescan_loop): Set it.
541 (check_dbra_loop): Check if a store depends on a register
542 that is set after the store.
544 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
546 * unroll.c (entire file): Remove tabs / spaces at end of lines.
547 Replace spaces with tabs where appropriate.
549 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
551 * loop.c (scan_loop): New argument loop_cont. Changed caller.
552 (strength_reduce): New argument loop_cont. Changed caller.
553 Before clearing not_every_iteration after a label, check if
554 we are not already past LOOP_CONT.
556 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
558 * cpperror.c (cpp_print_containing_files): Fix formatting
559 bug induced by merge.
561 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
563 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
564 (cpp_define): Remove redundant syntax checks.
565 (make_assertion): Rename cpp_assert, remove redundant syntax
567 (cpp_options_init): Don't init things to zero twice.
568 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
569 (do_include): Kill excessively verbose #import warning that
570 snuck back in in the gcc2 merge.
571 (convert_string): Removed.
572 (do_line): Rewrite with simple last-name-used cache instead of
574 (cpp_start_read): Call initialize_char_syntax here, not...
575 (cpp_reader_init): ...here.
576 (cpp_handle_options): Support the -std switch.
577 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
578 (cpp_options): Add c9x flag.
579 Declare all the is_* tables and trigraph table here, as const.
580 Prototype cpp_assert and initialize_char_syntax.
581 * cppinit.c: New file.
582 * cppfiles.c (read_and_prescan): Optimize.
583 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
585 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
587 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
588 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
589 before calling gen_div_trap.
591 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
593 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
594 than numeric value for target_cpu_default..
595 * configure: Rebuilt.
597 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
599 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
600 mkstemp. Get them from libiberty.
601 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
602 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
603 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
604 (mkstemp.o, getopt1.o, getopt.o): Likewise.
606 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
608 * pa-hpux.h (LINK_SPEC): Likewise.
609 * pa-hpux10.h (LINK_SPEC): Likewise.
610 * pa-hpux9.h (LINK_SPEC): Likewise.
611 * pa-osf.h: (LINK_SPEC): Likewise.
612 * pa-pro.h (TARGET_DEFAULT): Likewise.
613 * pa1.h (TARGET_DEFAULT): Likewise.
614 * pa.h (MASK_*): New defines.
615 (TARGET_*): Use symbolic values rather than numeric values.
616 (TARGET_SWITCHES): Likewise.
617 (TARGET_DEFAULT): likewise.
618 (CPP_SPEC): likewise.
620 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
622 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
623 * reload.c (find_reusable_reload): New function, broken out of
624 push_reload. Add code to verify that none of the involved
625 outputs are subject to earlyclobbers.
626 (push_reload): Break out new function find_reusable_reload.
627 Delete "register" keyword for IN, OUT args.
629 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
631 * config/mips/mips.c (true_reg_or_0_operand) : New function.
632 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
633 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
634 Use true_reg_or_0_operand for div_trap.
636 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
638 * loop.h (express_from): Declare.
639 (struct induction): Replace derived flag with derived_from pointer.
640 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
641 (express_from): No longer static.
642 * unroll.c (find_splittable_givs): Replace derived with derived_from.
643 When processing an address giv with which another giv has been
644 combined that has also been derived from a third giv, handle like
645 having combined with the third giv.
646 Set splittable_regs_updates appropriately for derived givs.
648 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
650 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
652 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
654 * pa.c (insn_sets_and_refs_are_delayed): New function.
655 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
656 (INSN_REFERENCES_ARE_DELAYED): Likewise.
658 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
660 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
661 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
662 (TARGET_LIBGCC2_CFLAGS): Define.
663 (LIBGCC2_DEBUG_CFLAGS): Define.
664 * config/arm/t-netbsd: Likewise.
665 * config/arm/t-semi: Likewise.
666 * config/arm/t-semiaof: Likewise.
667 * config/arm/t-riscix: Likewise.
669 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
671 * config/m68k/m68k.c (print_operand_address): When printing a
672 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
674 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
676 * i386/freebsd*.h now allows '$' in label names and does not use the
677 PCC struct return method.
679 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
681 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
682 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
683 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
684 names if host == target.
685 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
686 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
687 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
688 setting them to *_FOR_TARGET.
689 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
692 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
694 * toplev.h (read_integral_parameter): Declare.
695 * toplev.c (read_integral_parameter): New function.
697 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
699 * resource.c, resource.h: New files.
700 * Makefile.in (OBJS): Add it.
702 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
703 (split_block_insns): Moved to recog.c.
704 (update_flow_info): Make public.
705 * rtl.h: Declare them.
707 * reorg.c: Moved the functions dealing with computing resource
710 * sched.c (regno_use_in): Moved to rtlanal.c.
711 (update_flow_info): Make public.
712 (schedule_insns): Use split_block_insns.
714 * recog.c (split_block_insns): New function.
716 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@mhpcc.edu>
718 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
719 (LINK_OS_DEFAULT_SPEC): Delete, unused.
721 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
723 * configure.in (arm-*-oabi): Support.
724 * configure: Regenerate.
725 * config/arm/unknown-elf-oabi.h: New file.
727 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
729 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
730 Make the anonymous pattern match when ! optimize_size.
731 (ashlsi3 size optimizer): New pattern.
733 * intl/Makefile.in (uninstall): Add missing "; \".
735 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
737 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
740 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
742 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
743 to after find_and_verify_loops call.
745 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
747 * (recombine_givs): Don't use a giv that's likely to be dead to
750 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
751 wrap around when deriving givs.
753 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
755 * recog.c (check_asm_operands): Treat indeterminate operand ok
756 results as success. Try harder to resolve a matching constraint.
757 * stmt.c (expand_asm_operands): Recognize when an output operand's
758 constraint does not allow memory. Treat indeterminate operand ok
759 results as failure. Try harder to resolve a matching constraint.
761 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
763 Use varrays for constant-equivalence data:
765 * varray.h (struct const_equiv_data): New type.
766 (union varray_data_tag): New element const_equiv.
767 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
768 (VARRAY_SIZE): New macro, returns number of elements.
769 * integrate.h: Include varray.h.
770 (struct inline_remap): Replace const_equiv_map, const_age_map and
771 const_equiv_map_size with a const_equiv_varray element.
772 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
774 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
775 simultaneously, growing the varray if needed.
777 * integrate.c (global_const_equiv_map,
778 global_const_equiv_map_size): Deleted, replaced by....
779 (global_const_equiv_varray): New variable.
780 (expand_inline_function): References changed.
781 * integrate.h: Update declarations.
783 * integrate.c (process_reg_parm, expand_inline_function,
784 copy_rtx_and_substitute, try_constants, subst_constants,
785 mark_stores): Use varray allocation and accessor macros, new
786 integrate.h macros, and global_const_equiv_varray. Don't
787 conditionalize non-NULL stores on array size; instead, expand the
789 * unroll.c (unroll_loop): Likewise.
791 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
792 zero. After allocating varray, always exit through bottom of
793 function, where it can be deallocated if needed. Don't explicitly
794 reallocate const_equiv_map storage; instead, just ensure the
795 varray has been initialized, and update the global reference.
797 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
799 * system.h (inline, const): Handle these for stage2 (and later) gcc.
801 * dwarf2out.c (inline): Don't define.
803 * dwarfout.c (inline): Likewise.
805 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
807 * loop.c (recombine_givs): Dump recombination and derivation data.
809 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
811 * flags.h: Declare flag_no_ident.
812 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
813 * c-tree.h: Don't declare flag_no_ident.
814 * c-decl.c: Don't define flag_no_ident. Don't process
815 -f(no-)ident switches here.
817 * config/elfos.h (ASM_FILE_END): Output final .ident directive
818 only if !flag_no_ident.
819 * config/ptx4.h: Likewise.
820 * config/svr4.h: Likewise.
821 * config/alpha/elf.h: Likewise.
822 * config/arm/linux-elf.h: Likewise.
823 * config/i386/sco5.h: Likewise.
824 * config/i860/fx2800.h: Likewise.
825 * config/mips/gnu.h: Likewise.
826 * config/i386/osfrose.h: Likewise.
828 * gcc.c (C specs): Map -Qn to -fno-ident.
829 * objc/lang-specs.h: Likewise.
831 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
833 * configure.in: Don't remove loop.o and unroll.o when
834 enable-haifa is selected.
835 * configure: Rebuilt.
837 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
839 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
840 movxfcc, movdicc): Delete unconstrained alternatives.
841 * i386.c (output_fp_conditional_move,
842 output_int_conditional_move): Delete unused case.
844 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
846 * version.c: Bump for snapshot.
848 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
850 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
851 instead of bis and cpys. Combine alternatives where possible.
853 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
855 * gcov.c (fnotice): Add missing FILE* parameter.
856 (function_summary): Fix format specifiers in calls to `fnotice'.
857 (output_data): Likewise.
859 * toplev.c (fnotice): Constify char* parameter.
861 * toplev.h (fnotice): Add prototype.
862 Wrap prototype with BUFSIZ to protect FILE* usage.
864 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
866 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
868 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
870 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
872 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
874 (aliases_everything_p, write_dependence_p):Likewise.
876 * install.texi: Fix merge lossages.
878 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
880 * collect2.c (main): Likewise.
881 * cppmain.c (main): Likewise.
882 * gcc.c (main): Likewise.
883 * gcov.c (main): Likewise.
884 * protoize.c (main): Likewise.
885 * toplev.c (main): Likewise.
887 * pa.md (parallel shift and shiftadd): Mark output of shift as an
890 * loop.c: Disable recent loop changes. Temporary as Joern
891 continues to fix problems.
893 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
895 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
897 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
899 * emit-rtl.c (remove_insn): New function.
900 * rtl.h (remove_insn): Add prototype.
901 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
903 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
905 * loop.c (recombine_givs): Don't try to derive givs that have combined.
907 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
909 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
910 when declaring arguments and calling va_arg() to initialize them.
912 * collect2.c (notice): Likewise.
914 * loop.c (find_life_end): Use PROTO() macro in the prototype.
916 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
918 * collect2.c (error): Fix typo in declaration.
920 * cpperror.c (cpp_message): Likewise.
922 * cpplib.c (cpp_warning): Likewise.
924 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
927 * toplev.c (error): Fix typo in declaration.
929 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
931 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
932 forward from cont dominator.
934 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
936 * cccp.c (eprint_string): Constify a char*.
937 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
938 (vnotice): Constify a char*.
939 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
940 (verror): Constify a char*.
941 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
942 (vwarning): Constify a char*.
943 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
945 (verror_with_line): Constify a char*.
946 (vwarning_with_line): Likewise.
947 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
949 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
951 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
952 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
953 Also correct typo in parameter name declaration.
954 (make_assertion): Constify a char*.
955 (quote_string_for_make): Likewise.
956 (deps_output): Likewise.
957 (fatal): Likewise. Use PVPROTO not VPROTO, add
958 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
959 "__attribute__ ((noreturn))".
960 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
961 (pfatal_with_name): Likewise.
962 (pipe_closed): Likewise.
963 (memory_full): Likewise.
965 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
967 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
968 may_not_optimize to proper size when converting biv increments
970 If necessary, reallocate reg_iv_type / reg_iv_info before calling
973 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
975 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
976 generate complex adds. Changed caller.
977 Don't generate adds that cost more than the original one.
978 (strength_reduce): Warning fixes.
980 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
982 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
983 * configure: Rebuilt.
985 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
987 * rtl.h (insn_first_p): Declare.
988 * rtlanal.c (insn_first_p): New function.
989 * loop.h (varray.h): Include.
990 (struct induction): Change combined_with to unsigned.
991 New members derived, ix and last_use.
992 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
993 (REG_IV_TYPE, REG_IV_INFO): Define.
994 (first_increment_giv, last_increment_giv): Declare.
995 * loop.c (loop_number_loop_cont): New static variable.
996 (loop_number_cont_dominator): Likewise.
997 (reg_iv_type, reg_iv_info): Now varray_type.
998 (first_increment_giv, last_increment_giv): New variables.
999 (compute_luids, verify_dominator, find_life_end): New functions.
1000 (cmp_recombine_givs_stats, recombine_givs): Likewise.
1001 (loop_optimize): Allocate loop_number_loop_cont and
1002 loop_number_cont_dominator. Use compute_luids.
1003 (find_and_verify_loops): Initialize loop_number_loop_cont and
1004 loop_number_cont_dominator.
1005 (strength_reduce): Try to find bivs that can be expressed as givs
1006 of another biv, and to convert biv increments into givs.
1007 Call recombine_givs. Handle derived givs.
1008 (record_biv): New argument location. All callers changed.
1009 (record_giv): Initialize derived and last_use fields.
1010 (basic_induction_var): New argument location. All callers changed.
1011 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
1012 Increment combined_with instead of setting to 1.
1013 * unroll.c (derived_regs): New static variable.
1014 (unroll_loop): Initialize it.
1015 Allocate local_regno according to max_reg_num.
1016 (copy_loop_body): Cope with derived givs.
1017 (find_splittable_givs): Check for Givs made from biv increments.
1018 Set derived_regs for givs.
1019 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
1021 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1023 * function.c (purge_addressof_1): Handle case when a register
1024 has been used in a wider mode.
1026 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
1028 * cpplib.h (cpp_notice): Add prototype.
1030 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
1032 * Merge gcc2 snapshot 19980929.
1034 * cccp.c (PRINTF_PROTO): Remove.
1035 (PRINTF_PROTO_{1,2,3,4}: Likewise.
1037 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
1039 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
1040 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
1041 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
1043 * gen-protos.c (hashf): Delete in cpphash.o
1044 * gen-protos.c (hashf): Delete in cpphash.o
1046 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
1047 * expmed.c: Likewise.
1048 * rs6000.md: Likewise.
1050 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
1052 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
1054 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
1055 * rs6000.md (movsi, movdi): Likewise.
1057 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
1059 * function.c (expand_function_end): Pass arg_pointer_save_area to
1060 validize_mem before using it. Emit code into a sequence.
1062 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
1064 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
1065 '#' to split patterns. Correct indentation of some new patterns.
1067 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
1069 * cppfiles.c (safe_read): Deleted.
1070 (read_and_prescan): New function, replaces safe_read, converts
1071 and/or warns about trigraphs, silently converts odd line
1072 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
1073 (finclude): Use read_and_prescan; turn off nonblocking mode on
1074 the input descriptor; remove file-size-examination and
1075 no-newline-at-EOF gunk which is longer necessary; be more
1076 careful about checking that we've been handed a legitimate
1077 file to read (only real files, pipes, and ttys are acceptable).
1078 * cpplib.h (cpp_options): Rename no_trigraphs flag to
1079 `trigraphs' and invert its sense.
1080 (trigraph_table): Declare.
1081 (cpp_warning_with_line): Prototype.
1082 * cpplib.c: Remove all references to trigraph_pcp. Define
1083 trigraph_table; initialize it in initialize_char_syntax. Open
1084 files in nonblocking mode. s/no_trigraphs/trigraphs/
1085 throughout, and invert sense. Put cpp_warning_with_line back
1088 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1090 * config/c4x/c4x.h (COUNTER_REGS): New register class.
1091 * config/c4x/c4x.md (*rptb_init): Change constraints.
1092 (rptb_end): Emit alternate looping instructions if
1093 RC register not allocated for loop counter.
1094 (decrement_and_branch_on_count): Allow other registers
1097 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1099 * cppexp.c (struct arglist): Removed.
1100 (parse_number): Use HOST_WIDE_INT for the accumulator.
1101 Allow two `l' suffixes unless C89. Clean up. Make static.
1102 (parse_charconst): New function broken out of cpp_lex.
1103 Code cleaned up drastically. Don't use a token_buffer.
1104 (token_buffer): Removed.
1105 (cpp_lex): Don't call parse_number on a constant string.
1106 Use parse_charconst.
1107 (cpp_parse_expr): Properly handle an ERROR op returned by
1110 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1112 * cpplib.c: Don't include signal.h, sys/times.h, or
1113 sys/resource.h. Don't declare localtime.
1114 (macroexpand): Handle special symbols here.
1115 (push_macro_expansion): Chop off the trailing '@ ' if possible
1117 (cpp_get_token): Don't do either of the above two things here.
1118 Move `string' label just after case '"' so that wide strings
1119 don't crash the preprocessor.
1121 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu>
1123 * rs6000.md (left shift + set cr patterns): Add missing '#' to
1125 (move register + set cr pattern): Ditto.
1126 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
1127 inadvertently deleted.
1129 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
1131 * stmt.c (stmt_loop_nest_empty): New function.
1132 * tree.h (stmt_loop_nest_empty): Declare it.
1133 * rtl.def (CALL_PLACEHOLDER): New rtx code.
1135 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1137 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
1139 (c4x_check_legit_addr): Remove USE and PLUS, allow
1140 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
1141 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
1142 CONST cases. Add LO_SUM.
1143 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
1144 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
1145 (c4x_print_operand_address): Handle LO_SUM.
1146 (c4x_scan_for_ldp): Delete. Hooray!
1147 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
1149 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
1151 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
1153 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
1155 (c4x_U_constraint, symbolic_operand): New functions.
1156 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
1157 disable SYMBOL_REF, LABEL_REF, and CONST.
1158 (lsrc_operand, tsrc_operand): Call src_operand instead of
1160 (c4x_operand_subword): Update comments.
1162 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
1163 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
1164 plus HIGH and LO_SUM for the C40.
1165 (ENCODE_SECTION_INFO): Define macro.
1166 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
1168 (PREDICATE_CODES): Add symbolic_operand.
1170 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
1171 c4x_emit_move_sequence.
1172 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
1173 to avoid symbol references.
1174 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
1175 (set_high): Renamed from set_high_use.
1176 (set_lo_sum): Renamed from set_ior_lo_use.
1177 (all call patterns): Make MEM explicit in call address operands.
1178 Modified output templates to use 'U' modifier.
1180 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
1182 * version.c: Bump for snapshot.
1184 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1186 * final.c (bb_str): Qualify a char* with the keyword `const'.
1187 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
1189 * fix-header.c (read_scan_file): Likewise.
1191 * genoutput.c (output_epilogue, process_template): Likewise.
1193 * local-alloc.c (requires_inout, block_alloc): Likewise.
1195 * output.h (output_asm_insn, assemble_string): Likewise.
1197 * recog.c (recog_constraints, check_asm_operands,
1198 decode_asm_operands, extract_insn, preprocess_constraints,
1199 constrain_operands): Likewise.
1201 * recog.h (operand_alternative, recog_constraints, insn_template,
1202 insn_outfun, insn_operand_constraint, insn_name): Likewise.
1204 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
1206 * regmove.c (find_matches): Likewise.
1208 * reload.c (alternative_allows_memconst): Likewise.
1210 * reload1.c (constraint_accepts_reg_p,
1211 reload_cse_simplify_operands): Likewise.
1213 * rtl.h (decode_asm_operands): Likewise.
1215 * scan.h (fn_decl): Likewise.
1217 * varasm.c (assemble_string): Likewise.
1219 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
1221 * configure.in (gcc_tooldir): Handle case where exec_prefix has
1222 not been explicitly set.
1223 * configure: Rebuilt.
1225 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
1228 * bitmap.h (bitmap_head_def): Make indx field unsigned.
1230 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
1231 use $exec_prefix/$target_alias for gcc_tooldir.
1232 * configure: Rebuilt.
1234 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
1236 * cppp.c (xrealloc): Fix typo last change.
1237 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
1238 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
1239 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
1241 1999-01-22 Michael Meissner <meissner@cygnus.com>
1243 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
1244 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
1245 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
1246 (cc_reg_not_cr0_operand): Add declaration.
1248 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
1249 pseudo register, or a control register that is not CR0.
1251 * rs6000.md (all combiner patterns building . instructions): For
1252 all `.' instructions that do something and set cr0, add an
1253 alternative that does the operation, and then sets a different
1254 flag, in order to avoid using the costly mcrf instruction and also
1255 allow cr0 to be clobbered in asm statements. Also fix a few
1256 patterns that used the wrong register.
1258 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
1259 (rs6000_debug_name): Make const char *, not char *.
1261 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
1263 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
1264 (rs6000_select): Use const char * in casts.
1266 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
1268 * Makefile.in (gcc_tooldir): Move before first reference.
1269 Let autoconf substitute in a value.
1270 * configure.in (gcc_tooldir): Only use a relative path to the
1271 tool directory if $exec_prefix == $prefix.
1272 * configure: Rebuilt.
1274 * Makefile.in (tooldir): Replace with gcc_tooldir.
1276 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
1278 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
1279 (ashldi3 expander): Similarly. Update comments.
1280 (ashrdi_const, lshrdi_const): Fix indention.
1281 (ashrdi3, lshrdi3): FIx indention. Update comments.
1283 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
1285 * emit-rtl.c (try_split): Don't try to split non-instructions.
1287 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1289 * expr.c (emit_push_insn): Fix dumb typo.
1291 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
1293 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
1294 transformations that we have performed earlier.
1295 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1297 * alpha.md (prologue_stack_probe_loop): Don't do our own label
1298 handling, call gen_label_rtx instead.
1300 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
1302 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
1304 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
1305 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
1306 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
1307 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
1308 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
1310 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
1312 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
1313 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
1314 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
1315 * configure: Regenerate.
1317 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
1319 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
1321 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
1323 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1325 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
1327 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
1328 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
1329 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
1330 (move_by_pieces): Use new macros.
1331 (emit_block_move): Use new macros.
1332 (clear_by_pieces): Use new macros.
1333 (clear_storage): Use new macros.
1334 (emit_push_insn): Use new macros.
1335 (expand_expr): Use new macros.
1336 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
1338 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
1339 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
1340 (MOVE_MAX_PIECES): move 8 bytes on SH4.
1341 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
1342 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
1343 USE_STORE_PRE_DECREMENT): Describe new macros.
1345 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1347 * varasm.c (output_constant_pool): Use floor_log2 instead of
1348 exact_log2 for ASM_OUTPUT_ALIGN.
1350 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
1352 * emit-rtl.c (operand_subword): Handle case when a subword outside
1355 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
1358 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
1360 * cse.c (fold_rtx): Revert 29 Dec change.
1361 (cse_insn): Revert 12 Jan change.
1362 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
1363 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
1364 * rtl.def: Likewise.
1365 * rtl.h (CONSTANT_P): Likewise.
1367 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
1369 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
1370 * alpha.c (input_operand): Likewise.
1371 * c4x.c (const_operand): Likewise.
1373 * explow.c (allocate_dynamic_stack_space): Use register_operand
1374 instead of arith_operand, which does not exist.
1376 * 1750a.h: Fix comment closure.
1377 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
1378 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
1379 * arm.h (TARGET_SWITCHES): Fix typo.
1380 * i370.md (anon mult and div patterns): Fix set mode mismatch.
1381 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
1382 (output_delay_insn): Likewise.
1383 * m88k.md (anon rotate insns): Fix set mode mismatch.
1384 (anon BLKmode moves): Commonize and fix set mode mismatches.
1385 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
1386 * romp.md (movdf): Fix typo.
1388 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
1390 * Makefile.in (install-common): Remove extraneous chmod for gcov
1393 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
1395 * function.c (assign_parms): Save and restore setting of
1398 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
1400 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
1401 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
1403 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
1405 * recog.c (pop_operand): New function.
1406 * recog.h (pop_operand): Declare it.
1407 * genrecog.c (preds): Define it.
1409 * expr.c (do_jump_for_compare): Handle conditional branch expanders
1410 emitting multiple jump instructions.
1411 * jump.c (condjump_label): New function.
1412 * rtl.h (condjump_label): Declare it.
1414 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
1416 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
1417 clobber during or after reload.
1419 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
1421 * genoutput.c (name_for_index): New function.
1422 (scan_operands, validate_insn_alternatives): Use it.
1423 * genrecog.c (insn_name_ptr_size): New variable.
1424 (make_insn_sequence): Fill in insn_name_ptr.
1425 (merge_trees): Use it.
1427 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
1429 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
1430 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
1431 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
1433 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
1435 * loop.c (NUM_STORES): Delete.
1436 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
1437 (prescan_loop): Properly initialize loop_mems_idx.
1438 (note_addr_stored): Simplify using list structure instead of
1440 (invariant_p, check_dbra_loop, load_mems): Similarly.
1442 * flow.c (invalidate_from_autoinc): New function.
1443 (mark_set_1, mark_used_regs): Use it.
1445 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
1447 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
1449 * invoke.texi (-mlong-double-64): New option description.
1451 1999-01-19 Jim Wilson <wilson@cygnus.com>
1453 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
1454 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
1455 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
1457 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
1458 (CPP_SPECS): Add -mlong-double-64 support.
1459 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
1460 (TARGET_SWITCHES): Add -mlong-double-64 support.
1461 (LONG_DOUBLE_TYPE_SIZE): Likewise.
1462 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1463 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
1464 (CPP_SPECS): Add -mlong-double-64 support.
1465 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
1466 (MULTILIB_DIRNAMES): Add ld64.
1467 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
1469 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
1471 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
1472 invisible reference.
1474 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
1476 * rs6000.c (offsettable_addr_operand): Delete.
1477 (offsettable_mem_operand): New function.
1478 * rs6000.h (PREDICATE_CODES): Reflect function change.
1479 (RS6000_SAVE_TOC): Represent address as MEM.
1480 * win-nt.h (RS6000_SAVE_TOC): Same.
1481 * rs6000.md (indirect calls): Change offsettable address parameter
1482 to offsettable memory parameter.
1484 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
1486 * rtl.h (rtx_def): Update documentation.
1487 (MEM_IN_STRUCT_P): Likewise.
1488 (MEM_SCALAR_P): New macro.
1489 (MEM_COPY_ATTRIBUTES): Likewise.
1490 (MEM_SET_IN_STRUCT_P): Likewise.
1491 * rtl.texi (MEM_SCALAR_P): Document.
1492 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
1493 (fixed_scalar_and_varying_struct_p): New function. Use
1494 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
1495 (aliases_everything_p): Likewise.
1496 (true_dependence): Use them.
1497 (write_dependence_p): New function, containing code common to
1498 anti_dependence and output_dependence.
1499 (anti_dependence): Use it.
1500 (output_dependence): Likewise.
1501 * calls.c (save_fixed_argument_area): Don't clear
1503 (expand_call): Use MEM_SET_IN_STRUCT_P.
1504 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
1505 (emit_library_call_value): Likewise.
1506 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
1507 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
1508 (make_extraction): Likewise.
1509 (simplify_shift_const): Likewise.
1510 (gen_lowpart_for_combine): Likewise.
1511 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
1512 * emit-rtl.c (operand_subword): Likewise.
1513 (change_address): Likewise.
1514 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
1515 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
1516 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
1517 (copy_blkmode_from_reg): Likewise.
1518 (store_field): Likewise.
1519 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
1520 heuristically. Use MEM_SET_IN_STRUCT_P.
1521 (get_memory_rtx): Likewise.
1522 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
1523 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
1524 MEM_ALIAS_SET on newly returned MEMs.
1525 (assign_temp): Use MEM_SET_IN_STRUCT_P.
1526 (put_reg_into_stack): Likewise.
1527 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
1528 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
1529 (assign_parms): Likewise.
1530 (expand_function): Likewise.
1531 * integrate.c (expand_inline_function): Likewise.
1532 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
1533 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
1534 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
1535 * print-rtl.c (print_rtx): Print /f for frame_related.
1536 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
1537 * reload1.c (reload): Copy MEM_SCALAR_P as well.
1538 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
1539 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
1540 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
1541 (output_constant_def): Likewise.
1542 * a29k.c (a29k_set_memflags_1): Take scalar_p.
1544 (a29k_set_memflags): Use it.
1545 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
1546 * c4x.c (c4x_scan_for_ld): Likewise.
1547 * h8300.c (fix_bit_operand): Likewise.
1548 * m88k.c (legitimize_address): Likewise.
1549 (block_move_loop): Likewise.
1550 (block_move_no_loop): Likewise.
1551 (block_move_sequence): Likewise.
1552 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
1553 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
1554 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
1555 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
1556 * arm.h (arm_gen_load_multiple): Take scalar_p.
1557 (arm_store_load_multiple): Likewise.
1558 * arm.c (arm_gen_load_multiple): Likewise.
1559 (arm_gen_store_multiple): Likewise.
1560 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
1562 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1564 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
1565 calls within a libcall block to indicate no throws are possible.
1566 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
1567 libcall blocks. Don't add edges to exception handlers if we see
1568 a REG_EH_REGION note with a value of 0.
1569 (make_edges): Override active_eh_region vector if the call has a note
1570 indicating the call does not throw.
1572 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
1574 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
1576 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
1578 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
1580 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
1582 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
1584 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
1586 * invoke.texi (-mcpu=740, -mcpu=750): New options.
1587 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
1590 1999-01-18 Michael Meissner <meissner@cygnus.com>
1592 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
1593 supported with -mcpu=xxx.
1594 (processor_type): Add PROCESSOR_PPC750.
1595 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
1596 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
1597 (rs6000_adjust_priority): Add declaration.
1599 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
1600 processor type as 750, not 603. Allow -mmultiple and -mstring on
1601 little endian 750 systems.
1602 (rs6000_adjust_priority): Stub for now.
1603 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
1605 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
1607 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
1609 (CC1_SPEC): Pass -mstrict-align if little endian, and not
1611 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
1612 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
1614 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
1617 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
1619 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
1621 * config/mips/mips.md (div_trap): Split div_trap_mips16
1623 (div_trap_normal,div_trap_mips16): Correct the length attributes.
1625 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1627 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
1628 Instead of writing to const char *buf directly, use a non-const
1629 variable `wbuf' to allocate and write a string, then set buf = wbuf.
1631 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
1634 * dyn-string.c (dyn_string_append): Likewise.
1636 * dyn-string.h (dyn_string_append): Likewise.
1638 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
1640 * output.h (end_final, output_operand_lossage, asm_fprintf,
1641 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
1644 * profile.c (init_branch_prob): Likewise.
1646 * toplev.c (set_target_switch, vmessage,
1647 v_message_with_file_and_line, v_message_with_decl,
1648 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
1649 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
1650 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
1651 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
1652 open_dump_file, dump_rtl, clean_dump_file,
1653 print_version, print_single_switch, print_switch_values,
1654 dump_base_name, debug_args, lang_independent_options,
1655 user_label_prefix, documented_lang_options, target_switches,
1656 target_options, print_time, pfatal_with_name, fatal_io_error,
1657 fatal_insn, default_print_error_function, print_error_function,
1658 report_error_function, error_with_file_and_line, error_with_decl,
1659 error_for_asm, error, fatal, warning_with_file_and_line,
1660 warning_with_decl, warning_for_asm, warning, pedwarn,
1661 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
1662 really_sorry, botch, output_quoted_string, output_file_directive,
1663 open_dump_file, rest_of_decl_compilation, display_help, main):
1666 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
1667 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
1668 warning_with_file_and_line, error_with_file_and_line, sorry,
1669 really_sorry, default_print_error_function, report_error_function,
1670 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
1671 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
1672 output_file_directive, botch): Likewise.
1674 * tree.h (make_decl_rtl): Likewise.
1676 * varasm.c (strip_reg_name, named_section, decode_reg_name,
1677 make_decl_rtl): Likewise.
1679 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
1681 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
1682 directory logically rather than physically.
1684 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1686 * loop.c (insert_bct): Hide the definition of variables
1687 `increment_direction', `compare_direction', `add_iteration' and
1690 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
1691 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
1692 (mode_independent_operand): Mark label `lose' with
1693 ATTRIBUTE_UNUSED_LABEL.
1695 * regclass.c (n_occurrences): Remove prototype and definition.
1697 * reload.c (find_reloads_address_1): Mark variable `tem' with
1700 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
1702 * sbitmap.c (sbitmap_copy): Likewise.
1704 * scan-decls.c (scan_decls): Hide label `handle_comma'.
1706 * toplev.c (output_lang_identify): Mark prototype with
1709 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
1710 (make_tree_vec): Likewise.
1713 * varasm.c (assemble_static_space): Mark variable `tem' with
1716 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
1718 * Makefile.in (GCOV_INSTALL_NAME): New macro.
1719 (install-common): Use it.
1720 (uninstall): Use it.
1721 (uninstall): Use correct names for protoize and unprotoize.
1723 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
1724 Jeffrey A Law (law@cygnus.com)
1726 * flow.c (last_mem_set): Delete variable. References removed.
1727 (mem_set_list): New variable.
1728 (life_analysis): Initialize and finalize alias analysis.
1729 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
1730 (insn_dead_p): For a store to memory, search the entire mem_set_list
1732 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
1733 changes to their addresses. Add new entries to the mem_set_list for
1734 memory writes writes.
1735 (mark_used_regs): Kill entries on the mem_set_list which may be
1736 referenced by a load operation.
1738 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
1740 * alias.c (base_alias_check): Add missing return for differing
1743 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1745 * mips-tdump.c (print_file_desc): Handle unknown filenames and
1746 missing local symbols.
1748 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
1750 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
1752 * system.h (bcopy): Implement with memmove not memcpy.
1754 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
1756 * Makefile.in (cppulp.o): Add dependencies.
1758 * i386.md (integer conditional moves): Add missing earlyclobbers.
1760 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
1761 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
1762 where a register is live.
1764 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
1766 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
1767 of a FP conditional move is not on the FP register stack.
1769 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1771 * version.c: Bump for snapshot.
1773 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
1775 * reload1.c (reload_cse_regs_1): Do not call
1776 reload_cse_simplify_operands for an insn with asm operands.
1778 * cccp.c (print_help): Fix typos.
1779 * cpplib.c (print_help): Fix typos.
1780 * toplev.c (f_optiosn): Fix typos.
1781 (documented_lang_options): Fix typos.
1783 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
1785 * gcc.c: (do_spec_1): Fix obvious typo.
1787 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1789 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
1790 a non-static function declaration follows a static one.
1792 * invoke.texi (-Wtraditional): Document the extra check now done
1795 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
1797 * pa.md (shadd): Create shadd insns, even if the result of the shift is
1798 needed without the addition.
1800 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1802 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
1804 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
1806 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
1808 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
1810 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
1811 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
1812 non_add_cint_operand, non_logical_cint_operand): Likewise.
1813 (get_issue_rate): Add CPU_PPC604E case.
1814 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
1816 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
1818 * expr.c (queued_subexp_p): Make public.
1819 * expr.h (queued_subexp_p): Declare it.
1820 * recog.c (asm_operand_ok): New function.
1821 (check_asm_operands): Use it. After reload, use constrain_operands
1823 * recog.h (asm_operand_ok): Declare it.
1824 * stmt.c (expand_asm_operands): Use it to try harder to make
1825 asms initially satisfy their constraints.
1827 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
1829 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
1830 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
1832 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1834 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
1835 in delay slot of RPTBD.
1837 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1839 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
1840 divide and modulo sign problem.
1842 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1844 * unroll.c (loop_iterations): Return 0 if the last loop insn
1845 is not a jump insn or if the loop has multiple back edges.
1847 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
1849 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
1850 a register with another DEST_ADDR giv if the address is not valid.
1852 * pa.c (hppa_expand_epilogue): Save and restore the static chain
1853 around the call to mcount.
1855 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
1857 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
1858 generating non-canonical rtl.
1860 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
1862 * config/i960/i960.c (i960_output_move_double_zero,
1863 i960_output_move_quad_zero): New functions for moving zeros.
1864 (i960_output_move_double, i960_output_move_quad): Additional code
1865 for situation when moving unaligned register group.
1867 * config/i960/i960.h (i960_output_move_double_zero,
1868 i960_output_move_quad_zero): The function definitions.
1870 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
1872 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
1874 * config/i960/i960.c (i960_function_prologue): New code (optimal
1875 solution) for saving global registers in local registers.
1876 (form_reg_groups, reg_group_compare, split_reg_group): New
1877 functions used by the code.
1878 (reg_group): New structure definition for the new code.
1880 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
1882 * integrate.c (expand_inline_function): Recognize (mem (addressof))
1883 and substitute. Copy the return value from there into a new pseudo.
1885 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
1887 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
1888 before generating a call to abort for volatile functions.
1889 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
1890 (TARGET_ABORT_NORETURN): Define.
1891 (abort-on-noreturn): New option.
1893 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1895 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
1896 and binarycc operations in 3rd annulled delay slot!
1898 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
1900 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
1901 before generating a call to abort for volatile functions.
1902 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
1903 (TARGET_ABORT_NORETURN): Define.
1904 (abort-on-noreturn): New option.
1906 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1908 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
1909 Remove prototype which we get from libiberty.h.
1911 * collect2.c (xstrdup): Likewise.
1913 * genextract.c (xstrdup): Likewise for `copystr'.
1914 (mybzero): Remove it and use `memset' instead.
1916 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
1917 to use `memcpy' and `memset' instead.
1919 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
1920 changed. Remove prototype.
1921 (mybcopy, mybzero): Remove these and use memcpy/memset.
1923 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
1925 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
1926 generating code for TARGET_64BIT.
1928 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
1930 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
1931 HOST_WIDE_INT word-size.
1932 (rs6000_stack_info): Remove redundant alignment of fpmem.
1934 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
1936 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
1937 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
1938 (input_operand): Adjust CONSTANT_P_RTX handling.
1939 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
1940 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
1941 (movhi, movqi): Remove CONSANT_P_RTX handling.
1942 (movdi): Adjust CONSTANT_P_RTX handling.
1944 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
1946 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
1948 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
1950 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1951 ensure all prototypes necessary for building libio will be available.
1952 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
1953 definitions here as they are not host specific.
1954 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
1956 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
1958 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
1960 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
1962 * version.c: Bump for snapshot.
1964 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
1966 * rtl.c (rtx_alloc): Use memset instead of inline loop.
1968 * recog.h (recog_op_alt): Declare extern.
1970 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
1972 * function.c (purge_addressof_1): If the note accesses a mem+addressof
1973 in a wider mode than any replacement, adjust the cached replacement.
1974 Cache trivial substitutions as well.
1976 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
1978 * Makefile.in (OBJECTS): Add sbitmap.o.
1979 (BASIC_BLOCK_H): Add sbitmap.h.
1980 * basic-block.h: Move simple bitmap code to sbitmap.h.
1981 * flow.c: Move simple bitmap code to sbitmap.c
1982 * sbitmap.h, sbitmap.c: New files.
1984 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
1986 * alpha.h (TARGET_SWITCHES): Document switches.
1987 (TARGET_OPTIONS): Likewise.
1989 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
1991 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
1993 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
1995 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
1997 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
1998 (basic_block_end): Rename to x_basic_block_end.
1999 (BLOCK_HEAD, BLOCK_END): Update.
2001 * caller-save.c: Change basic_block_head/end references to
2003 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
2004 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
2005 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
2007 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2009 * gcc.c (xstrerror): Renamed from my_strerror. All callers
2010 changed. Remove prototype since we get that from libiberty.h.
2012 * protoize.c (xstrerror): Likewise.
2014 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2016 * gcc.c (read_specs): Ensure format specifiers match their arguments.
2018 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
2020 * tree.c (copy_node): Oops. That would be copy not zero
2021 in that last change.
2023 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2025 * config/c4x/c4x.c: Include system.h.
2026 (c4x_caller_save_map): Disable caller save for RC.
2027 (c4x_optimization_options): Disable scheduling before reload.
2028 (valid_parallel_load_store) : Define return type as int.
2029 Remove unused variable regs.
2030 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
2032 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
2034 (*db, decrement_and_branch_until_zero): Fix up constraints
2035 to keep reload happy.
2037 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
2039 * tree.c (make_node): Call bzero instead of inline clear.
2040 (copy_node, make_tree_vec, build1): Likewise.
2041 (get_identifier): Call strlen instead of inline count.
2042 (maybe_get_identifier): Likewise.
2044 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2046 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
2047 operations in 3rd annulled delay slot.
2048 (*lshrqi3_const_set): Disallow c constraint for operand0.
2049 (modhi3+1, modhi3+2): Set attribute type to multi.
2050 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
2053 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2055 * gansidecl.h: Allow attribute unused on labels only when we are
2056 version 2.93 or higher. Not all versions of 2.92 have this feature.
2058 * version.c: Bump minor number to 93.
2060 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2062 * config/m68k/m68k.h: Declare output_function_epilogue.
2063 * recog.h: Declare next_insn_tests_no_inequality.
2065 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
2067 * stmt.c (optimize_tail_recursion): New function, extracted from ...
2068 (expand_return): Use optimize_tail_recursion.
2069 * tree.h (optimize_tail_recursion): Declare.
2071 * toplev.c (compile_file): Move call to output_func_start_profiler
2072 to after the loop to emit deferred functions.
2074 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2076 * system.h (abort): Supply more detailed information on how to
2077 report an Internal Compiler Error.
2079 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
2081 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
2082 allocate memory that will live beyond this function.
2083 (expand_call): Free it here.
2085 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
2087 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
2088 integer data not destined for fp regs.
2089 (LEGITIMIZE_RELOAD_ADDRESS): New.
2091 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
2092 Richard Henderson <rth@cygnus.com>
2094 Support for Hypersparc and Sparclite86x:
2095 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
2096 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
2097 (ASM_CPU32_DEFAULT_SPEC): Likewise.
2098 (TARGET_CPU_DEFAULT): Likewise.
2099 (enum processor_type): Likewise.
2100 (CPP_ENDIAN_SPEC): Handle little endian data.
2101 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
2102 (ADJUST_COST): Call sparc_adjust_cost.
2103 * sparc.c (sparc_override_options): Fix up for the new targets.
2104 (supersparc_adjust_cost): Make static.
2105 (hypersparc_adjust_cost): New.
2106 (ultrasparc_adjust_cost): Make static.
2107 (sparc_adjust_cost): New.
2108 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
2109 (function_unit): Add hypersparc scheduling rules.
2111 * configure.in (with_cpu handler): Recognize hypersparc.
2113 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2115 * config/c4x/c4x.c: Added space after negation operator.
2116 * config/c4x/c4x.h: Likewise.
2117 * config/c4x/c4x.md: Likewise.
2119 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2121 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
2123 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2125 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
2126 when a test can't be performed due to limited width of
2127 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
2128 Fix UDIV case for cases where the first operand has the highest bit
2131 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
2133 * pa.h (reg_class): Add FPUPPER_REGS.
2134 (REG_CLASS_NAMES): Similarly.
2135 (REG_CLASS_CONTENTS): Similarly
2136 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
2137 (FP_REG_CLASS_P): Likewise.
2138 (REG_CLASS_FROM_LETTER): Similarly.
2139 (CLASS_MAX_NREGS): Similarly.
2141 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
2143 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
2144 for a typedef of bool. Make sure to have a copy of the file is
2145 in place before we look to fix it. Fix typo in variable name to
2148 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
2150 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
2151 value_mode for the return mode.
2153 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
2155 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
2156 debugging as default.
2158 * config/tm-dwarf2.h: New file.
2160 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
2162 * h8300.h (ASM_OUTPUT_LABELREF): Define.
2164 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
2165 * local-alloc.c (update_equiv_regs): Corresponding changes.
2166 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
2168 * calls.c (special_function_p): Push alloca test inside the large
2169 conditional which excludes functions not at file scope or not
2172 * calls.c (special_function_p): New function broken out of
2174 (precompute_register_parameters): Likewise.
2175 (store_one_arg): Likewise.
2176 (store_unaligned_argumetns_into_pseudos): Likewise.
2177 (save_fixed_argument_area): Likewise.
2178 (restore_fixed_argument_area): Likewise.
2179 (expand_call): Corresponding changes.
2181 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2183 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
2185 (const_sint32_operand): Likewise.
2187 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2189 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
2190 is a macro when deciding if we can use `jmp_buf' in prototypes.
2192 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2194 * config/c4x/c4x.md (addqi3): If the destination operand is
2195 a hard register other than an extended precision register,
2196 emit addqi3_noclobber.
2197 (*addqi3_noclobber_reload): New pattern added so that reload
2198 will recognise a store of a pseudo, equivalent to the sum
2199 of the frame pointer and a constant, as an add insn.
2201 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
2203 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
2204 * configure: Rebuilt.
2205 * i386/xm-go32.h: Define LIBSTDCXX.
2207 * i386/go32.h (MD_EXEC_PREFIX): Define.
2208 (FILE_NAME_ABSOLUTE_P): Define.
2209 (LINK_COMMAND_SPEC): Define.
2211 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
2213 * expr.c (store_expr): If the lhs is a memory location pointed
2214 to be a postincremented (or postdecremented) pointer, always
2215 force the rhs to be evaluated into a pseudo.
2217 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
2219 * real.c (mtherr): Print more reasonable warning messages.
2221 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2223 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
2225 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
2226 (new_include_prefix): Constify char* parameters.
2228 * cppfiles.c (read_name_map): Likewise.
2229 (append_include_chain): Likewise. Also, use a writable char* copy
2230 of parameter `dir' which we then modify, rather than using the
2231 parameter itself to store the new writable string.
2232 (remap_filename): Constify some variables. Also, use a writable
2233 char* to store an allocated string which we will be modifying.
2235 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
2236 (cpp_start_read): Constify variable `str'.
2238 * cpplib.h (append_include_chain): Constify a char* parameter.
2240 * gcc.c Include prefix.h, don't prototype prefix.c functions.
2241 (add_prefix, save_string): Constify char* parameters.
2242 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
2244 * prefix.c: Include prefix.h.
2245 (get_key_value, translate_name, save_string, update_path,
2246 set_std_prefix): Constify various char* parameters and variables.
2247 (save_string): Use xmalloc, not malloc.
2248 (translate_name): Use a writable temporary variable to create and
2249 modify a string before setting it to a const char*.
2251 * prefix.h: New file to prototype functions exported from prefix.c.
2253 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
2255 * cpplib.c (skip_if_group): Split out the logic that handles
2256 directive recognition to its own function. Don't use
2257 parse markers; use a bare pointer into the buffer. Use
2258 copy/skip_rest_of_line instead of doing it by hand. Remove
2259 `return on any directive' mode which was never used, and take
2261 (consider_directive_while_skipping): New function, subroutine
2262 of skip_if_group. Logic streamlined a bit.
2263 (conditional_skip, do_elif, do_else): Call skip_if_group with
2266 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
2268 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
2271 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
2273 * extend.texi (Bound member functions): Document.
2275 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2277 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
2278 lang_to_string, type_to_string): Make return type const char*.
2279 (print_symbol): Apply `const' keyword to a char*.
2280 (print_file_desc): Cast structure member `crfd' to ulong when
2281 comparing against one.
2283 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
2284 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
2285 (progname, input_name): Apply `const' keyword to a char*.
2286 Don't redundantly include sys/stat.h.
2287 (alloc_info): Apply `const' keyword to a char*.
2288 (st_to_string, sc_to_string): Likewise.
2289 (hash_string): Cast variable `hash_string' to a symint_t when
2290 comparing against one.
2291 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
2292 Likewise cast it to long when comparing against one.
2293 (add_local_symbol): Apply `const' keyword to a char*.
2294 (add_ext_symbol): Likewise.
2295 (add_unknown_tag): Likewise.
2296 (add_procedure): Cast a printf-style field width to an int.
2297 (add_file): Cast PAGE_USIZE to long when comparing against one
2298 (parse_begin): Cast a printf-style field width to an int.
2299 (parse_bend): Likewise.
2300 (parse_def): Likewise.
2301 (parse_end): Likewise.
2302 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
2303 (parse_stabs_common): Fix format specifier.
2304 (parse_input): Change type of variable `i' to Size_t.
2305 (write_object): Fix arguments to match format specifiers.
2306 Cast variable `num_write' to long when comparing against one.
2307 (read_seek): Cast variable `sys_read' to symint_t when comparing
2308 against one. Fix arguments to match format specifiers. Cast
2309 variable `size' to long when comparing against one.
2310 (copy_object): Cast result of `sizeof' to int when comparing
2311 against one. Fix arguments to match format specifiers. Cast
2312 variable `ifd' to long when comparing against a signed value.
2315 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2317 * c-common.c (decl_attributes): Allow applying attribute `unused'
2320 * c-parse.in (label): Parse attributes after a label, and call
2321 `decl_attributes' to handle them.
2323 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
2325 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
2326 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
2328 * invoke.texi: Note that labels can be marked `unused'.
2330 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
2332 * version.c: Bump for snapshot.
2334 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
2336 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
2337 RTL for a compare/jump sequence.
2339 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2341 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
2342 for a target with HAVE_cc0 defined.
2343 (emit_cmp_and_jump_insns): New function.
2344 * expr.h (emit_cmp_and_jump_insns): Prototype it.
2345 * loop.c (check_dbra_loop): Use it to replace calls
2346 to emit_cmp_insn and emit_jump_insn and to canonicalise
2347 the comparison if necessary.
2348 * unroll.c (unroll_loop): Likewise.
2350 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2352 * fixincludes (sys/utsname.h): Provide forward declaration of
2353 struct utsname on Ultrix V4.[35].
2355 * mips.md (div_trap): Use local labels instead of dot-relative
2358 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
2360 * pa.md (branch, negated branch): Handle (const_int 0) as first
2362 * pa.c (output_cbranch): Likewise.
2364 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
2366 * rs6000.c (rs6000_stack_info): Undo spurious part of last
2369 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
2371 * extend.texi (__builtin_constant_p): Add missing @smallexample.
2373 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
2375 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
2377 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
2379 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
2380 (adddi_dishl32): Similarly.
2382 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
2383 for each insn in the skipped block.
2385 * reload1.c (reload_as_needed): Verify that the insn satisfies its
2386 constraints after replacing a register address with an autoincrement
2387 address for reload inheritance purposes.
2389 * i386.md (doubleword shifts): Avoid namespace pollution.
2391 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
2393 * configure.in (FreeBSD ELF): Needs special crt files.
2395 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
2397 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
2399 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2401 * loop.c (check_dbra_loop): While reversing the loop, if the
2402 comparison value has a VOID mode use the mode of the other operand
2403 to compute the mask.
2405 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
2407 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
2408 avoid warnings in compiling explow.c.
2410 (patch from Ken Raeburn, raeburn@cygnus.com)
2411 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
2412 fpmem_offset. Compute total size after that, and then
2413 rs6000_fpmem_offset using both values.
2415 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2417 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
2418 the future; indeed that already happens in some cases.
2420 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
2422 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
2423 (arith_operand): Remove constant_p_rtx handling.
2424 (const64_operand, const64_high_operand): Likewise.
2425 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
2426 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
2427 (small_int_or_double, uns_small_int, zero_operand): Likewise.
2428 * sparc.h (PREDICATE_CODES): Likewise.
2430 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
2432 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
2434 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
2435 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
2436 consider constant CONSTRUCTOR constant and to defer some cases
2438 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
2439 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
2441 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
2443 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
2444 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
2446 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
2447 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
2448 (sext_add_operand, and_operand, or_operand): Likewise.
2449 (reg_or_cint_operand, some_operand, input_operand): Likewise.
2450 * alpha.h (PREDICATE_CODES): Likewise.
2452 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
2454 * version.c: Bump for snapshot.
2456 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
2458 * gengenrtl.c (gencode): Always use bzero to clear memory instead
2459 of dangerous casts and stores.
2461 * Makefile.in (compare, gnucompare): Add missing else true clauses.
2463 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
2465 * alpha.md (builtin_longjmp): Add missing "DONE".
2467 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
2469 * gcc.c (execute): Enable -pipe with win32.
2471 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
2473 * config/arm/t-arm-elf: Add multiplib option for leading
2476 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
2477 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
2479 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
2480 than variable 'reload_address_base_reg_class'. [Note this
2481 change is unrelated to the others in this patch].
2483 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
2486 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2488 * alias.c (record_alias_subset): Remove ignored `&'.
2489 (init_alias_once): Likewise.
2491 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
2493 * config/mips/mips.c (mips_asm_file_end): Cast the result of
2494 fwrite to `int' when comparing against one.
2496 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
2497 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
2499 * cse.c (rehash_using_reg): Change type of variable `i' to
2502 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
2503 assigning it to one.
2505 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
2507 * final.c (final_scan_insn): Likewise for variable `i'.
2508 (output_asm_insn): Cast a char to unsigned char when used as an
2511 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
2512 assigning it to one.
2514 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
2516 * recog.c (preprocess_constraints): Cast a char to unsigned char
2517 when used as an array index.
2519 * regmove.c (find_matches): Likewise.
2521 * reload1.c (calculate_needs): Add default case in switch.
2522 (eliminate_regs_in_insn): Initialize variable `offset'.
2523 (set_offsets_for_label): Change type of variable `i' to unsigned.
2524 (reload_as_needed): Wrap variable `i' in macro check on
2525 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
2527 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
2528 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
2529 when comparing against one.
2531 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
2532 unsigned when comparing against one. Likewise for
2533 GET_MODE_ALIGNMENT().
2534 (layout_record): Cast record_align to int when comparing against a
2536 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
2539 * tree.c (get_identifier): Cast variable `len' to unsigned when
2540 comparing against one.
2541 (maybe_get_identifier): Likewise
2543 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
2545 * toplev.c (rest_of_compilation): Do not set reload_completed.
2546 * reload1.c (reload): Set reload_completed before calling
2547 cleanup_subreg_operands.
2549 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
2551 * reload1.c (emit_reload_insns): Check `set' not null before use.
2553 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
2555 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
2558 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2560 * halfpic.c (half_pic_encode): Delete redundant code.
2562 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
2564 * toplev.c (main): Delete handling of -dM as a preprocessor
2567 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
2569 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
2570 -dI, which are handled by the preprocessor.
2572 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
2574 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
2575 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
2577 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
2579 * version.c: Bump for snapshot.
2581 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
2583 * version.c: Bump for snapshot.
2585 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
2587 * version.c: Bump for snapshot.
2589 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2591 * genattr.c (fatal): Qualify a char* with the `const' keyword.
2593 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
2594 write_unit_name, write_eligible_delay, expand_units,
2595 make_length_attrs, write_attr_case, find_attr,
2596 make_internal_attr): Likewise.
2597 * gencheck.c (tree_codes): Likewise.
2598 * gencodes.c (fatal): Likewise.
2599 * genconfig.c (fatal): Likewise.
2600 * genemit.c (fatal): Likewise.
2601 * genextract.c (fatal, walk_rtx, copystr): Likewise.
2602 * genflags.c (fatal): Likewise.
2603 * genopinit.c (fatal, optabs, gen_insn): Likewise.
2604 * genoutput.c (fatal, error, predicates): Likewise.
2605 * genpeep.c (fatal): Likewise.
2606 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
2607 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
2609 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2611 * configure.in (with-fast-fixincludes): Fix whitespace.
2612 * configure: Rebuilt.
2614 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
2615 asm() etc. function declarations in __DECC.
2617 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
2619 * expr.c (emit_move_insn_1): Only emit a clobber if the target
2620 is a pseudo register.
2622 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
2624 * gcse.c: Include expr.h in order to get the prototype for
2625 get_condition() which is used in delete_null_pointer_checks().
2627 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2629 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
2631 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
2633 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
2634 (ALL_CFLAGS): Delete SCHED_CFLAGS.
2636 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
2638 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
2641 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
2643 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
2644 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
2645 optimizations from the combiner.
2647 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2649 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
2651 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
2653 * toplev.c (main): Disable optimize_size if a specific
2654 optimization level is requested. Always set optimization
2655 level to 2 if -Os is specified.
2657 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
2659 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
2661 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
2662 initialize it using fname.
2664 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
2666 * cpplib.c (do_include): Treat #include_next in the
2667 primary source file as #include plus warning. Treat
2668 #include_next in a file included by absolute path as an
2669 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
2671 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2673 * cccp.c: Don't define MIN/MAX anymore.
2674 * cpplib.c: Likewise.
2675 * machmode.h: Likewise.
2676 * system.h: Provide definitions for MIN/MAX.
2678 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2680 * fix-header.c: Don't define xstrdup here.
2682 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2684 * loop.c (consec_sets_giv): New argument last_consec_insn.
2685 (strength_reduce): Provide / use it.
2687 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2689 * loop.h (loop_info): New field 'vtop'.
2690 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
2691 scanning loop for vtop.
2692 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
2693 (loop_iterations): Use them to determine if loop has a constant
2694 number of iterations. Set loop_info->vtop. Don't subtract
2695 common reg term from initial_value and final_value if have a
2698 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
2700 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
2702 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
2704 * mn10200.md (abssf2, negsf2): New expanders.
2706 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
2708 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
2710 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
2711 replaced by a CONCAT whoes components do not have the same
2712 mode as the original SUBREG, use a new SUBREG to restore the
2715 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
2716 multiword complex values.
2718 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2720 * cppalloc.c: Add xstrdup here.
2721 * cpplib.h: Remove savestring prototype.
2722 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
2724 * cppfiles.c: s/savestring/xstrdup/ throughout.
2726 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2728 * cpplib.c: Make all directive handlers read their own
2730 (struct directive): Remove last two arguments from FUNC
2731 member prototype. Remove `command_reads_line' member
2733 (directive_table): Remove initializations of
2734 command_reads_line flag. Pretty-print.
2735 (eval_if_expression, do_define, do_line, do_include,
2736 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
2737 do_else, do_elif, do_sccs, do_assert, do_unassert,
2738 do_warning): Take only two args.
2740 (cpp_define): Call do_define with two args and the text to
2741 define stuffed into a buffer.
2742 (make_assertion): Call do_assert with two args.
2743 (handle_directive): Call do_line with two args. Call
2744 kt->func with two args. Remove command_reads_line
2746 (do_define, do_undef, do_error, do_warning, do_pragma,
2747 do_sccs): Read the rest of the line here.
2748 (do_ident): Gobble rest of line, as cccp does.
2749 (cpp_undef): New function.
2750 (cpp_start_read): Call cpp_undef instead of do_undef.
2752 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2754 * cpphash.h (union hash_value): Remove `keydef' member, add a
2755 `struct hashnode *aschain' member for #assert.
2757 * cpplib.c (struct tokenlist_list, struct
2758 assertion_hashnode): Delete structure definitions.
2759 (assertion_install, assertion_lookup, delete_assertion,
2760 check_assertion, compare_token_lists, reverse_token_list,
2761 read_token_list, free_token_list): Delete functions.
2762 (parse_assertion): New function.
2763 (cpp_cleanup): Don't destroy the assertion_hashtable.
2765 (do_assert): Gut and rewrite. #assert foo (bar) places
2766 entries for `#foo' and `#foo(bar)' in the macro hash table,
2767 type T_ASSERT. The value union's `aschain' member is used
2768 to chain all answers for a given predicate together.
2769 (do_unassert): Also rewritten. Take an un-asserted
2770 answer off the chain from its predicate and call
2771 delete_macro on the hashnode, or walk a predicate chain
2772 calling delete_macro on all the entries.
2773 (cpp_read_check_assertion): Simply call parse_assertion to
2774 get the canonical assertion name, and look that up in the
2777 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
2780 * cpphash.c (install): Use bcopy instead of an explicit loop
2781 to copy the macro name.
2783 * cppexp.c (cpp_lex): Convert the result of
2784 cpp_read_check_assertion to a `struct operation' directly;
2785 don't go through parse_number.
2787 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2789 * loop.h (struct induction): Delete times_used member.
2790 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
2791 (n_times_used): Rename to n_times_set. Changed all users.
2792 (scan_loop): Free reg_single_usage before strength reduction.
2793 (record_giv, combine_givs): Remove handling of times_used member.
2794 (combine_givs_used_once): Rename to:
2795 (combine_givs_used_by_other) . Changed all callers.
2797 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
2799 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
2800 instead of TREE_CODE_CLASS == 't'.
2801 (gen_type_die): Likewise.
2802 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
2804 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
2806 * real.c (endian): Disable last change unless
2807 HOST_BITS_PER_WIDE_INT is greater than 32.
2809 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2811 * output.h (force_data_section): New prototype.
2812 * varasm.c (force_data_section): New function to force the
2813 data section, regardless of what in_section thinks.
2814 * dwarf2out.c (output_call_frame_info): Call force_data_section
2815 since varasm may not realize we've changes sections.
2817 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
2819 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
2820 after completeing reload.
2822 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
2823 deleted after reload.
2825 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
2827 * rtl.h (multiple_sets): Fix prototype.
2828 * rtlanal.c (multiple_sets): Fix return type.
2830 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
2832 * version.c: Bump for snapshot.
2834 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
2836 * version.c: Bump for snapshot.
2838 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
2840 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
2842 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2844 * rtl.h (recompute_reg_usage): Add second argument.
2845 * flow.c (recompute_reg_usage): Likewise.
2846 * toplev.c (rest_of_compilation): Supply second argument to
2847 recompute_reg_usage.
2849 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
2852 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
2854 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
2855 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
2856 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
2859 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
2861 * rtlanal.c (multiple_sets): New function.
2862 * rtl.h (multiple_sets): Declare it.
2863 * local-alloc.c (wipe_dead_reg): Use it.
2864 * global.c (global_conflicts): Likewise.
2866 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
2868 * global.c (record_conflicts): Don't use an array of shorts to
2869 store an array of ints.
2870 (global_conflicts): Likewise.
2872 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
2874 * alpha.c (alpha_expand_block_move): mode_for_size expects
2875 bits, not bytes. Infer extra alignment from addressof.
2877 1998-12-11 Michael Meissner <meissner@cygnus.com>
2879 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
2880 .sbss section, not .sdata.
2882 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
2884 * cccp.c: Do not #include <sys/stat.h> here; this is already done
2886 * collect2.c: Likewise.
2887 * cpplib.h: Likewise.
2890 * getpwd.c: Likewise.
2891 * protoize.c: Likewise.
2892 * toplev.c: Likewise.
2894 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
2895 and don't try to define it here.
2896 * Makefile.in (cppmain.o): Depend on machmode.h.
2897 (cpplib.o): Likewise.
2898 (cpperror.o): Likewise.
2899 (cppexp.o): Likewise.
2900 (cppfiles.o): Likewise.
2901 (cpphash.o): Likewise.
2902 (cppalloc.o): Likewise.
2903 (fix-header.o): Likewise.
2904 (scan-decls.o): Likewise.
2906 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
2908 * sh.c (print_operand): lookup interrupt_handler attribute instead
2909 of relying on static variable.
2910 * (calc_live_regs): Likewise.
2911 * (sh_pragma_insert_attributes): Create interrupt_handler
2912 attribute if a pragma was specified
2913 * (sh_valid_machine_decl_attribute): Don't set static flag.
2914 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
2916 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2918 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
2919 to determine if a register is live at a jump destination.
2920 Everything is dead at a BARRIER.
2922 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
2924 * cse.c (simplify_unary_operation): Sign-extend constants when
2925 they have the most significant bit set for the target.
2926 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
2928 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
2929 HOST_WIDE_INT temporary before negating it.
2930 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
2932 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
2934 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
2937 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2939 * collect2.h: New header file for prototypes.
2941 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
2943 * collect2.c: Include collect2.h.
2944 * tlink.c: Likewise.
2946 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
2948 * flow.c: Update some comments.
2950 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
2952 * objc/objc-act.c (cpp_initialized): Removed.
2953 (lang_init_options): Initialize cpplib.
2954 (lang_decode_option): Move initialization of cpplib to
2956 * c-lang.c: (parse_options,parse_in): Added.
2957 (lang_init_options): Initialized cpplib here.
2958 * c-decl.c (parse_options,cpp_initialized): Removed.
2959 (c_decode_option): Move initialization of cpplib to
2962 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2964 * reload1.c (reload_combine, reload_combine_note_store):
2965 Make STORE_RUID always valid.
2966 (reload_combine): Check if BASE is clobbered too early.
2968 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
2970 * reload.c (find_reloads): Display the insn that cannot be
2973 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
2975 * cccp.c (create_definition): Fix end of bufer logic.
2977 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2979 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
2980 pointer parameters changed to use the PARAMS() macro.
2982 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2984 * except.h (struct handler_info): Add handler_number field.
2985 * except.c (gen_exception_label): EH labels no longer need to be
2986 on the permanent obstack.
2987 (get_new_handler): Set the label number field.
2988 (output_exception_table_entry): Regenerate handler label reference
2989 from the label number field.
2990 (init_eh): Remove a blank line.
2991 * integrate.c (get_label_from_map): Labels no longer need to be
2992 on the permanent obstack.
2994 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
2996 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
2997 only when OUTER_CODE is SET.
2999 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3001 * loop.c (strength_reduce): If scan_start points to the loop exit
3002 test, be wary of subversive use of gotos inside expression statements.
3003 Don't set maybe_multiple for a backward jump that does not
3004 include the label under consideration into its range.
3005 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
3007 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3009 * explow.c (plus_constant_wide): Don't immediately return with
3010 result of recursive call.
3012 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3014 * eh-common.h (struct eh_context): Add table_index for rethrows.
3016 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
3017 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
3018 processed when inlined or unrolled (ie duplicated in some way).
3020 * rtl.c (reg_note_name): Add strings for new reg_note enums.
3022 * expr.h (rethrow_libfunc): New library decl.
3024 * optabs.c (rethrow_libfunc): Initialize.
3026 * except.h (struct eh_entry): Add new field 'rethrow_label'.
3027 (new_eh_region_entry): No longer exported from except.c.
3028 (duplicate_handlers): Renamed to duplicate_eh_handlers and
3029 different prototype.
3030 (rethrow_symbol_map, rethrow_used): New exported functions.
3031 (eh_region_from_symbol): New exported function.
3033 * except.c (create_rethrow_ref): New function to create a single
3034 SYMBOL_REF for a rethrow region.
3035 (push_eh_entry): Initialize a rethrow ref.
3036 (func_eh_entry): Add a rethrow_label field.
3037 (new_eh_region_entry): Make static, and initialize the rethrow entry.
3038 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
3039 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
3040 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
3041 a region into an appropriate new symbol.
3042 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
3043 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
3044 (end_catch_handler): Emit a barrier for new-exceptions since
3045 control can never drop through the end of a catch block.
3046 (expand_end_all_catch): new-exceptions never fall through a catch
3048 (expand_rethrow): use __rethrow routine for new exceptions.
3049 (output_exception_table_entry): Generate rethrow labels, if needed.
3050 (output_exception_table): Generate start and end rethrow labels.
3051 (init_eh): Create rethrow symbols for beginning and end of table.
3052 (scan_region): Don't eliminate EH regions which are the targets of
3055 * flow.c (make_edges): Add different edges for rethrow calls,
3056 identified by having the REG_EH_RETHROW reg label.
3057 (delete_unreachable_blocks): Don't delete regions markers which are
3058 the target of a rethrow.
3060 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
3061 allow save_for_inline_copying to call duplicate_eh_handlers.
3062 (save_for_inline_copying): Call duplicate_eh_handlers instead of
3063 exposing internal details of exception regions.
3064 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
3065 (expand_inline_function_eh_labelmap): New callback routine to
3066 allow expand_inline_function to call duplicate_eh_handlers.
3067 (expand_inline_function): Call duplicate_eh_handlers instead of
3068 exposing internal details of exception regions.
3069 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
3072 * libgcc2.c (find_exception_handler): Generalize to enable it to
3073 pick up processing where it left off last time for a rethrow.
3074 (__unwinding_cleanup): New function. debug hook which is called before
3075 unwinding when __throw finds there is nothing but cleanups left.
3076 (throw_helper): Common parts of __throw extracted out for reuse.
3077 (__throw): Common parts moved to throw_helper.
3078 (__rethrow): New function for performing rethrows.
3080 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
3082 * reload1.c (current_function_decl): Tweak declaration.
3084 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
3086 * c-decl.c (flag_isoc9x): Default off.
3087 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
3088 * cccp.c (print_help, main): Likewise.
3089 * gcc.c (default_compilers): Update for -std=gnu*.
3091 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
3093 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
3094 * demangle.h: Deleted.
3096 * reload1.c (current_function_decl): Declare.
3098 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3100 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
3102 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3104 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
3106 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
3108 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
3110 * configure: Rebuilt.
3111 * system.h: If the *_unlocked functions are available use them
3112 instead of the locked counterparts by defining macros.
3113 * config.in: Regenerated.
3115 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
3117 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
3118 wrong and should only be used for dump related things, not
3119 debugging information, instead main_input_filename should be used.
3120 Also, reuse output_file_directive if possible.
3121 * i386/aix386ng.h (ASM_FILE_START): Likewise.
3122 * i386/isc.h (ASM_FILE_START): Likewise.
3123 * i386/win-nt.h (ASM_FILE_START): Likewise.
3124 * i386/sun386.h (ASM_FILE_START): Likewise.
3126 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
3128 * configure.in (mips*-*-linux*): Handle big and little endian
3130 * configure: Rebuilt.
3132 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
3134 * emit-rtl.c: Fix typo.
3136 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
3138 * reload1.c (eliminate_regs): Don't do anything, if we're not
3141 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
3143 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
3145 * mips/mips.c (mips_select_section): Add comment.
3147 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
3149 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
3150 characters in file names in #line to be consistent with #include
3151 handling. We support escape prcessing in the # 1 "..." version of
3152 the command. See also support in cp/lex.c.
3153 (handle_directive): Likewise.
3154 (do_line): Likewise.
3156 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
3158 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
3159 so it'll work on non-ASCII platforms. Always consider $ an
3160 identifier character. Take no arguments.
3161 (cpp_reader_init): Call initialize_char_syntax with no
3163 (cpp_start_read): Don't call initialize_char_syntax again.
3164 Clear is_idchar['$'] and is_idstart['$'] if not
3165 opts->dollars_in_ident.
3167 * cpplib.h (struct cpp_reader): Replace void *data element by
3168 cpp_options *opts. Rearrange elements to make gdb printout
3169 less annoying (put buffer stack at end).
3170 (CPP_OPTIONS): Get rid of now-unnecessary cast.
3172 * cppmain.c: s/data/opts/ when initializing cpp_reader
3174 * c-decl.c: Likewise.
3175 * objc/objc-act.c: Likewise.
3176 * fix-header.c: Likewise.
3178 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
3180 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
3181 with a struct file_name_list pointer.
3182 (struct cpp_reader): Add pointer to chain of `actual
3183 directory' include searchpath entries.
3184 (struct file_name_list): Add *alloc pointer for the sake of
3185 the actual-directory chain.
3187 Move definition of HOST_WIDE_INT here.
3188 (cpp_parse_escape): Change prototype to match changes in
3191 * cppfiles.c (actual_directory): New function.
3192 (finclude): Use it to initialize the buffer's actual_dir
3194 (find_include_file): We don't need to fix up max_include_len
3197 * cpplib.c (do_include): Don't allocate a file_name_list on
3198 the fly for current directory "" includes, use the one that's
3199 been preallocated in pfile->buffer->actual_dir. Hoist out
3200 duplicate code from the search_start selection logic.
3201 (cpp_reader_init): Initialize pfile->actual_dirs.
3203 Remove definition of HOST_WIDE_INT. Change calls
3204 to cpp_parse_escape to match changes in cppexp.c (note
3205 hardcoded MASK, which is safe since this is the source
3208 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
3209 to handle wide character constants in #if directives. The
3210 function now returns a HOST_WIDE_INT, and takes a third
3211 argument which is a binary mask for all legal values (0x00ff
3212 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
3213 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
3214 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
3216 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
3218 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
3220 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3222 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
3223 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
3224 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
3226 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
3228 * final.c (output_asm_name): Use tabs to seperate comments from
3231 Include instruction lengths (if defined) in output.
3233 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3235 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
3236 in the loop_info structure.
3238 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
3240 * configure.in: (arm*-*-ecos-elf): New target.
3241 * configure: Regenerated.
3242 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
3243 * config/arm/ecos-elf.h: New file.
3244 * config/arm/unknown-elf.h (TARGET_VERSION): Check
3247 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3249 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
3251 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
3253 * version.c: Bump for snapshot.
3255 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3257 * loop.c (check_dbra_loop): New argument loop_info. Update fields
3260 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
3262 * version.c: Bump for snapshot.
3264 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3266 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
3267 compressed reports are ok and preferred over URLs
3269 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3271 * invoke.texi (Warning Options): Soften the tone of -pedantic
3273 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
3275 * print-rtl.c (print_rtx): Add prototype.
3277 * unroll.c (iteration_info): Make it static.
3279 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
3281 * alias.c (memrefs_conflict_p): A second ANDed address
3282 disables the aligned address optimization.
3284 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
3286 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
3289 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3291 * i960.h (BOOL_TYPE_SIZE): Define.
3293 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3295 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
3296 from old valid_parallel_operands_4.
3297 (valid_parallel_operands_4): Check that operands for 4 operand
3298 parallel insns are valid, excluding load/store insns.
3299 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
3300 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
3301 valid_parallel_load_store instead of valid_parallel_operands_4.
3302 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
3303 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
3304 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
3305 *notqi_movqi_clobber): Use valid_parallel_operands_4.
3306 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
3307 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
3308 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
3310 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3312 * config/c4x/c4x.c (iteration_info): Delete extern.
3314 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3316 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
3318 * final.c (cleanup_subreg_operands): Delete some unused code.
3320 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
3321 (struct insn_alternative): New structure definition.
3322 (recog_op_alt): Declare variable.
3323 (preprocess_constraints): Declare function.
3324 * recog.c (recog_op_alt): New variable.
3325 (extract_insn): Verify number of alternatives is in range.
3326 (preprocess_constraints): New function.
3327 * reg-stack.c: Include recog.h.
3328 (constrain_asm_operands): Delete.
3329 (get_asm_operand_lengths): Delete.
3330 (get_asm_operand_n_inputs): New function.
3331 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
3332 N_OUTPUTS args. All callers changed.
3333 Compute number of inputs and outputs here by calling
3334 get_asm_operand_n_inputs.
3335 Instead of constrain_asm_operands, call extract_insn,
3336 constrain_operands and preprocess_constaints. Use information
3337 computed by these functions throughout.
3338 (record_reg_life): Delete code that is unused due to changes in
3339 record_asm_reg_life.
3340 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
3341 N_INPUTS and N_OUTPUTS args. All callers changed.
3342 Similar changes as in record_asm_reg_life.
3343 (subst_stack_regs): Move n_operands declaration into the if statement
3345 Delete code that is unused due to changes in subst_asm_stack_regs.
3346 * stmt.c (expand_asm_operands): Verify number of alternatives is in
3348 * Makefile.in (reg-stack.o): Depend on recog.h.
3350 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
3352 * except.c (set_exception_version_code): Argument is an "int".
3354 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
3356 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
3357 * configure: Rebuilt.
3359 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
3361 * configure.in (mipsel-*-linux*): New target.
3362 * mips/linux.h: New file, based on other Linux targets.
3364 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
3366 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
3367 runs in the context of the deleter, not the deletee, so we must
3368 use taskVarGet to find the correct memory to free.
3369 (__gthread_key_create): Initialize the task
3370 variable subsystem so that the task variable is still active when
3371 the delete hook is run.
3373 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
3375 * pdp11.h: Use optimize_size for space optimizations.
3376 * pdp11.c: Likewise.
3377 * pdp11.md: Likewise.
3379 * pdp11.h (TARGET_40_PLUS): Fix typo.
3381 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
3383 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
3386 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3388 * alias.c (addr_side_effect_eval): New function.
3389 (memrefs_conflict_p): Use it.
3390 * rtl.h (addr_side_effect_eval): Prototype it.
3392 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
3394 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
3396 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
3398 * reload.c (find_reloads): When force const to memory, put result
3399 in substed_operand not *recog_operand_loc.
3401 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
3403 * c-lex.c: Fix indentation from last patch.
3404 Remove trailing whitespace.
3407 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
3409 * flow.c (delete_block): Call set_last_insn after we have reset
3410 NEXT_INSN (kept_tail).
3412 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
3414 * mips.md (trap_if): Use "$0" for the value zero.
3416 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
3417 Stephen L Moshier <moshier@world.std.com>
3418 Richard Henderson <rth@cygnus.com>
3420 * c-common.c (declare_function_name): Declare predefinied variable
3423 * c-decl.c (flag_isoc9x): Set to 1 by default.
3424 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
3425 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
3427 * c-parse.in: Allow constructors in ISO C 9x.
3428 Rewrite designator list handling.
3429 Allow [*] parameters.
3430 Don't warn about comma at end of enum definition for ISO C 9x.
3432 * cccp.c (c9x): New variable.
3433 (rest_extension): New variable.
3434 (print_help): Document new -std= option.
3435 (main): Recognize -std= option. Set c9x appropriately.
3436 (create_definition): Recognize ISO C 9x vararg macros.
3438 * gcc.c (default_compilers): Adjust specs for -std options.
3439 (option_map): Add --std.
3440 (display_help): Document -std.
3442 * toplev.c (documented_lang_options): Add -std and remove
3445 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
3446 or REAL_VALUE_HTOF based on base of the constants.
3447 * fold-const.c (real_hex_to_f): New function. Replacement function
3448 for hex FP conversion if REAL_ARITHMETIC is not defined.
3449 * real.c (asctoeg): Add handling of hex FP constants.
3450 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
3453 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
3455 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
3456 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
3457 expansion. Use hi/lo as destination register.
3459 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
3460 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
3461 Avoid as macro expansion. Use hi/lo as destination register.
3463 * mips.h (MASK_CHECK_RANGE_DIV): New.
3464 (MASK_NO_CHECK_ZERO_DIV): New.
3465 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
3466 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
3467 return address for leaf functions out of r31 to support
3468 builtin_return_address.
3470 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3472 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
3473 NEXT_INSN(x) to check insn x.
3475 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
3477 * flow.c (delete_block): Call set_last_insn if we end up deleting the
3478 last insn in the rtl chain.
3480 * reload1.c (reload): Do not set reload_completed or split insns
3482 * toplev.c (rest_of_compilation): Set reload_completed after
3483 reload returns. Split insns after reload_cse has run.
3485 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
3487 * final.c (final_scan_insn): Abort if block_depth falls below 0.
3489 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
3491 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
3493 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
3495 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
3496 use of user-label_prefix.
3498 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3500 * reload1.c (emit_reload_insns): Clear spill_reg_store
3501 when doing a new non-inherited reload from the same pseudo.
3503 * local-alloc.c (function_invariant_p): New function.
3504 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
3505 to decide if an equivalence should be recorded.
3506 * reload1.c (num_eliminable_invariants): New static variable.
3507 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
3508 to decide if an equivalence should be recorded.
3510 (calculate_needs_all_insns): Skip insns that only set an equivalence.
3511 Take num_eliminable_invariants into account when deciding
3512 if register elimination should be done.
3513 (reload_as_needed): Take num_eliminable_invariants into account
3514 when deciding if register elimination should be done.
3515 (eliminate_regs): Handle non-constant reg_equiv_constant.
3516 * rtl.h (function_invariant_p): Declare.
3518 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
3520 * version.c: Bump for snapshot.
3522 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
3524 * version.c: Bump for snapshot.
3526 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
3528 * except.c (add_new_handler): Complain about additional handlers
3529 after one that catches everything.
3531 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
3533 * configure.in (alpha*-*-netbsd): Fix typo.
3534 * configure: Rebuilt.
3536 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3538 * system.h: Include libiberty.h.
3540 * c-aux-info.c: Remove prototypes for concat/concat3. Change
3541 function `concat' from fixed parameters to variable parameters,
3542 as is done in libiberty. All callers of concat/concat3
3543 changed to use the new `concat' with variable args.
3545 * cccp.c: Remove things made redundant by libiberty.h and/or
3546 conform to libiberty standards.
3548 * collect2.c: Likewise.
3549 * config/1750a/1750a.h: Likewise.
3550 * cppalloc.c: Likewise.
3551 * cppexp.c: Likewise.
3552 * cppfiles.c: Likewise.
3553 * cpphash.c: Likewise.
3554 * cpplib.c: Likewise.
3555 * dyn-string.c: Likewise.
3556 * fix-header.c: Likewise.
3559 * genattr.c: Likewise.
3560 * genattrtab.c: Likewise.
3561 * gencheck.c: Likewise.
3562 * gencodes.c: Likewise.
3563 * genconfig.c: Likewise.
3564 * genemit.c: Likewise.
3565 * genextract.c: Likewise.
3566 * genflags.c: Likewise.
3567 * gengenrtl.c: Likewise.
3568 * genopinit.c: Likewise.
3569 * genoutput.c: Likewise.
3570 * genpeep.c: Likewise.
3571 * genrecog.c: Likewise.
3572 * getpwd.c: Likewise.
3573 * halfpic.c: Likewise.
3575 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
3576 in NEED_DECLARATION_* macros.
3578 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
3579 conform to libiberty standards.
3580 (fatal): Fix const-ification of variable `format' in
3581 !ANSI_PROTOTYPES case.
3583 * prefix.c: Remove things made redundant by libiberty.h and/or
3584 conform to libiberty standards.
3586 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
3587 conflicting with function `spaces' from libiberty.
3589 * profile.c: Remove things made redundant by libiberty.h and/or
3590 conform to libiberty standards.
3591 * protoize.c: Likewise.
3594 * tlink.c: Likewise.
3595 * toplev.c: Likewise.
3596 * toplev.h: Likewise.
3599 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3601 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
3603 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3605 * README.C4X: Updated URLs.
3606 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
3607 (valid_parallel_operands_5): Remove unused variable.
3609 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3611 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
3613 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
3615 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
3616 which can be configured.
3617 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
3618 (Makefile): Pass actual LANGUAGES through the environment when
3620 (cstamp-h): Likewise.
3621 (config.status): Likewise.
3623 * configure.in (enable_languages): Add new configuration parameter
3624 "--enable-languages=lang1,lang2,...".
3625 (${srcdir}/*/config-lang.in): Change handling to configure only
3626 those directories, that the user might have enabled; default to
3627 "all" existing languages.
3628 * configure: Regenerate.
3630 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
3632 * rtlanal.c (regs_set_between_p): New function.
3633 * rtl.h (regs_set_between_p): Prototype it.
3634 * jump.c (jump_optimize): Use it instead of modified_between_p
3635 in the Sep 2 change.
3637 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
3638 Matthias Pfaller <leo@dachau.marco.de>
3640 * invoke.texi (Option Summary, NS32K Options): add description
3641 of NS32K specific options.
3643 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
3644 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
3645 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
3646 negdf2, absdf2): Use l instead of f since the double class and
3647 float class are no longer the same.
3648 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
3649 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
3650 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
3651 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
3653 (cmpsi, cmphi, cmpqi): use general_operand instead of
3654 non_immediate_operand. Removes erroneous assumption that can't
3656 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
3657 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
3659 (movstrsi, movstrsi1, movstrsi2): completely new block move
3661 (...): Patterns to exploit multiply-add instructions.
3662 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
3663 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
3664 patterns to exploit extended divide insns.
3665 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
3668 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
3669 float return values as well as simple scalar floats.
3670 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
3671 support new flag to denote 32381 fpu.
3672 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
3673 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
3675 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
3676 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
3677 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
3678 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3679 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
3680 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
3681 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
3682 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
3683 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
3684 fpu registers and special register classes for new 32381
3685 instructions dotf and polyf.
3686 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
3688 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
3689 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
3691 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
3692 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
3693 (REGISTER_MOVE_COST): move code to register_move_cost function for
3694 ease of coding and debugging.
3695 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
3696 LONG_FLOAT_REGO is likely spilled but not caught by default
3698 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
3699 instead of hard coded numbers in range check.
3700 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
3701 (...): Add prototypes for functions in ns32k.c but disable because
3702 of problems when ns32k.h is included in machine independant files.
3704 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
3705 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
3706 hard_regno_mode_ok, secondary_reload_class,
3707 print_operand, print_operand_address): new register scheme to
3708 include 32381 fpu registers and special register classes for new
3709 32381 instructions dotf and polyf.
3710 (gen_indexed_expr): Make static to keep namespace clean.
3711 (check_reg): remove since never called.
3712 (move_tail, expand_block_move): helper functions for "movstrsi"
3714 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
3715 Increase cost of moves which go via memory.
3716 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
3717 (CPP_PREDEFINES): nolonger predefine "unix".
3719 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
3720 Remove erroneous %$. print_operand() can work out from the rtx is
3721 an immediate prefix is required.
3723 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
3724 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
3725 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
3727 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
3730 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
3731 Correct handling of pic operands.
3732 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
3733 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
3734 -mrtd calling convention.
3736 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
3738 * gcc.c (option_map): Recognize --output-class-directory.
3740 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3742 * loop.h (precondition_loop_p): Added new mode argument.
3743 * unroll.c (precondition_loop_p): Likewise.
3744 (approx_final_value): Function deleted and subsumed
3745 into loop_iterations.
3746 (loop_find_equiv_value): New function.
3747 (loop_iterations): Use loop_find_equiv_value to find increments
3748 too large to be immediate constants. Also use it to find terms
3749 common to initial and final iteration values that can be removed.
3751 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3753 * loop.h (struct loop_info): Define new structure.
3754 (precondition_loop_p): Added prototype.
3755 (unroll_loop): Added new argument loop_info to prototype.
3756 (final_biv_value, final_giv_value): Added new argument n_iterations
3758 * loop.c (strength_reduce): Declare new structure loop_iteration_info
3759 and new pointer loop_info.
3760 (loop_n_iterations): Replace global variable by element in
3761 loop_info structure.
3762 (check_final_value): New argument n_iterations.
3763 (insert_bct): New argument loop_info.
3764 (loop_unroll_factor): Replace global array by element in
3765 loop_info structure.
3766 (loop_optimize): Remove code to allocate and initialise
3767 loop_unroll_factor_array.
3768 * unroll.c (precondition_loop_p): No longer static since
3769 used by branch on count optimization.
3770 (precondition_loop_p, unroll_loop): New argument loop_info.
3771 (final_biv_value, final_giv_value, find_splittable_regs): New
3772 argument n_iterations.
3773 (loop_iteration_var, loop_initial_value, loop_increment,
3774 loop_final_value, loop_comparison_code, loop_unroll_factor):
3775 Replaced global variables by loop_info structure.
3776 (loop_unroll_factor): Replace global array by element in
3777 loop_info structure.
3779 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3781 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
3784 * unroll.c (precondition_loop_p): Return loop_initial_value
3785 for initial_value instead of loop_iteration_var.
3787 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3789 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
3790 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
3791 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
3792 to output the instruction sequences.
3794 (rptb_top): Provide alternatives to use any register or memory
3796 (rptb_end): Emit use of operands rather than assigning them
3797 explicitly to the RS and RE registers.
3799 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3801 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
3802 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
3803 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
3804 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
3805 c4x_merge_notes, c4x_parallel_process,
3806 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
3807 c4x_combine_parallel): Delete.
3809 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3811 * config/c4x/c4x.c: (c4x_override_options): For compatibility
3812 with old target options clear flag_branch_on_count_reg if
3813 -mno-rptb specified and set flag_argument_alias is -mno-aliases
3815 (c4x_output_cbranch): Handle a sequence of insns rather than a
3817 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
3818 has not been allocated as the loop counter.
3819 (c4x_address_conflict): Do not allow two volatile memory references.
3820 (valid_parallel_operands_4, valid_parallel_operands_5,
3821 valid_parallel_operands_6): Reject pattern if the register destination
3822 of the first set is used as part of an address in the second set.
3824 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3826 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
3827 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
3828 is no longer enabled if PARALLEL_MPY_FLAG set.
3829 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
3830 (REG_CLASS_CONTENTS): Add braces around initializers.
3831 (HAVE_MULTIPLE_PACK): Define.
3832 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
3833 REAL_VALUE_TO_DECIMAL.
3834 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
3835 REAL_VALUE_TO_DECIMAL.
3836 (ar0_reg_operand): Add prototype.
3837 (ar0_mem_operand): Likewise.
3838 (ar1_reg_operand): Likewise.
3839 (ar1_mem_operand): Likewise.
3840 (ar2_reg_operand): Likewise.
3841 (ar2_mem_operand): Likewise.
3842 (ar3_reg_operand): Likewise.
3843 (ar3_mem_operand): Likewise.
3844 (ar4_reg_operand): Likewise.
3845 (ar4_mem_operand): Likewise.
3846 (ar5_reg_operand): Likewise.
3847 (ar5_mem_operand): Likewise.
3848 (ar6_reg_operand): Likewise.
3849 (ar6_mem_operand): Likewise.
3850 (ar7_reg_operand): Likewise.
3851 (ar7_mem_operand): Likewise.
3852 (ir0_reg_operand): Likewise.
3853 (ir0_mem_operand): Likewise.
3854 (ir1_reg_operand): Likewise.
3855 (ir1_mem_operand): Likewise.
3856 (group1_reg_operand): Likewise.
3857 (group1_mem_operand): Likewise.
3858 (ir1_reg_operand): Likewise.
3859 (arx_reg_operand): Likewise.
3860 (not_rc_reg): Likewise.
3861 (not_modify_reg): Likewise.
3862 (c4x_group1_reg_operand): Remove prototype.
3863 (c4x_group1_mem_operand): Likewise.
3864 (c4x_arx_reg_operand): Likewise.
3866 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
3868 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
3869 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
3871 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3873 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
3876 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3878 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
3879 unless FMOVD_WORKS is defined.
3881 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3883 * regclass.c (init_reg_sets): Move code that calculates tables
3884 dependent on reg_class_contents from here...
3885 (init_reg_sets_1): To here.
3887 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3889 * cpplib.h: Delete struct import_file. Add ihash element to
3890 struct cpp_buffer. Delete dont_repeat_files and
3891 import_hash_table elements from cpp_reader; change
3892 all_include_files to a hash table. Delete all foobar_include
3893 / last_foobar_include elements from struct cpp_options; put
3894 back four such: quote_include, bracket_include,
3895 system_include, after_include. Redo struct file_name_list
3896 completely. Add new structure type include_hash. Add
3897 prototypes for merge_include_chains and include_hash. Change
3898 prototypes for finclude, find_include_file, and
3899 append_include_chain to match changes below.
3901 * cppfiles.c (simplify_pathname, include_hash,
3902 remap_filename, merge_include_chains): New functions.
3903 (add_import, lookup_import, open_include_file): Removed.
3904 (INO_T_EQ): Define this (copied from cccp.c).
3905 (hack_vms_include_specification): Remove all calls and #if 0
3906 out the definition. It was being called incorrectly and at
3907 the wrong times. Until a VMSie can look at this, it's better
3908 to not pretend to support it.
3909 (append_include_chain): Change calling convention; now takes
3910 only one directory at a time, and sets up the data structure
3912 (redundant_include_p): Rewritten - this is now used for all
3913 include redundancy, whether by #ifndef, #import, or #pragma
3914 once. Looks up things in the include hash table.
3915 (file_cleanup): Decrement pfile->system_include_depth here if
3917 (find_include_file): Calling convention changed; now passes
3918 around a struct include_hash instead of 3 separate parameters.
3919 Guts ripped out and replaced with new include_hash mechanism.
3920 (finclude): Calling convention changed as for
3921 find_include_file. Error exits pulled out-of-line. Reformat.
3922 (safe_read): Return a long, not an int.
3923 (deps_output): Don't recurse.
3925 * cpplib.c (is_system_include): Deleted.
3926 (path_include): Fix up call to append_include_chain.
3927 (do_include): Fix up calls to find_include_file and finclude.
3928 Clean up dependency output a bit. Shorten obnoxiously lengthy
3929 #import warning message. Don't decrement
3930 pfile->system_include_depth here.
3931 (do_pragma): Understand the include_hash structure. Reformat.
3932 (do_endif): Correct handling of control macros. Understand
3934 (cpp_start_read): Fix up calls to finclude. Call
3935 merge_include_chains.
3936 (cpp_handle_option): Fix up calls to append_include_chain.
3937 Understand the four partial include chains.
3938 (cpp_finish): Add debugging code (#if 0-ed out) for the
3940 (cpp_cleanup): Free the include_hash, not the import hash and
3941 the all_include and dont_repeat lists which no longer exist.
3943 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
3945 * toplev.c (no_new_pseudos): Define.
3946 (rest_of_compilation): Set no_new_pseudos as needed.
3947 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
3948 if no_new_pseudos is set.
3949 * rtl.h (no_new_pseudos): Declare it.
3950 * reload1.c (reload): Update comments.
3951 * md.texi: Corresponding changes.
3953 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3955 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
3956 (choose_reload_regs): Rename it here as well. When computing it,
3957 also merge in used hardregs.
3959 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3961 * gcc.c: Split out Objective-C specs to...
3962 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
3965 * c-lex.c (init_parse): Always initialize the filename global.
3966 * objc/objc-act.c (lang_init): Always call check_newline at
3969 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
3971 * reload1.c (reload): Remove unused variable.
3972 (reload_reg_free_for_value_p): Add missing parameter definition.
3974 * jump.c (jump_optimize): Remove unused variable.
3976 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
3978 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
3980 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
3982 * expr.c (move_by_pieces): Similarly.
3983 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
3984 * flow.c (find_auto_inc): Similarly.
3985 (try_pre_increment): Similarly.
3986 * loop.c (strength_reduce): Similarly.
3987 * regclass.c (auto_inc_dec_reg_p): Similarly.
3988 * regmove.c (try_auto_increment): Similarly.
3989 (fixup_match_1): Similarly.
3990 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
3991 (HAVE_PRE_DECREMENT): Similarly.
3992 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
3993 * Corresponding changes to all target header files.
3994 * tm.texi: Update docs for autoinc addressing modes.
3996 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
3998 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
3999 * configure: Rebuild.
4000 * config/elfos.h: New file.
4001 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
4002 config/m68k/t-m68kelf: New file.
4004 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
4006 * Makefile.in (HOST_AR): Define.
4007 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
4008 (libcpp.a): Use the host tools explicitly.
4009 (STAGESTUFF): Add libcpp.a.
4011 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
4013 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
4014 to source and destination registers.
4016 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
4018 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
4019 The strategy we now use is to pre allocate the top_elt along
4020 with the EH context so that each thread has its own top_elt.
4021 This is necessary as the dynmanic cleanup chain is used on the
4022 top element of the stack and each thread MUST have its own.
4023 (eh_context_static): Likewise.
4024 (new_eh_context): Likewise.
4025 (__sjthrow): Likewise.
4027 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
4029 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
4030 * i386.md (prologue_get_pc): Remove unused variable.
4032 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
4034 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
4036 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
4038 * Makefile.in (OBJS): Add graph.o
4039 (graph.o): New dependency list.
4040 * flags.h: Declare dump_for_graph and define graph_dump_types type.
4041 * print-rtl.c (dump_for_graph): Define new variable.
4042 (print_rtx): Rewrite to allow use in graph dumping functions.
4043 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
4044 finish_graph_dump_file.
4045 Define graph_dump_format.
4046 (compile_file): If graph dumping is enabled also clear these files.
4047 Finish graph dump files.
4048 (rest_of_compilation): Also dump graph information if enabled.
4049 (main): Recognize -dv to enabled VCG based graph dumping.
4050 * graph.c: New file. Graph dumping functions.
4052 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
4054 * configure.in: Look for <sys/stat.h>.
4055 * system.h: Include it before substitute S_ISREG definitions.
4057 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
4059 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
4060 * config/mips/iris6.h: Same.
4061 * config/mips/mips.md: Same.
4062 * config/mips/mips.c: Same; also add "-mabi=o64" option.
4063 * config/mips/mips.h: Same; also define ABI_O64.
4065 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4067 * configure.in: Use AC_PREREQ(2.12.1).
4069 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
4071 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
4072 * cpplib.c, gcc.c: Likewise.
4073 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
4075 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
4077 * local-alloc.c (local_alloc): Use malloc not alloca for
4078 reg_qty, reg_offset, ref_next_in_qty.
4080 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4082 * caller-save.c (insert_one_insn): Initialize the live_before and
4083 live_after register sets.
4087 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
4088 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
4089 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
4090 (fp_reg_names, assembler_dialect): New variables.
4091 (print_operand_address): Handle SUBREGs.
4092 (print_operand): Added 'o' case.
4093 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
4094 Name of FP registers depends on mode.
4095 (expand_block_move): Emit different code for SH4 hardware.
4096 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
4097 (from_compare): Likewise.
4098 (add_constant): New argument last_value. Changed all callers.
4099 (find_barrier): Don't try HImode load for FPUL_REG.
4100 (machine_dependent_reorg): Likewise.
4101 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
4102 (gen_far_branch): Emit a barrier after the new jump.
4103 (barrier_align): Don't trust instruction lengths before
4105 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
4106 Use auto-inc addressing for fp registers if doubles need to
4107 be loaded in two steps.
4108 Set sh_flag_remove_dead_before_cse.
4109 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
4110 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
4111 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
4112 Support for FIRST_XD_REG .. LAST_XD_REG.
4113 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
4114 (sh_expand_epilogue): Likewise.
4115 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
4116 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
4117 (arith_reg_operand): FPUL_REG is OK for SH4.
4118 (fp_arith_reg_operand, fp_extended_operand) New functions.
4119 (tertiary_reload_operand, fpscr_operand): Likewise.
4120 (commutative_float_operator, noncommutative_float_operator): Likewise.
4121 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
4122 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
4123 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
4124 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
4125 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
4126 (CONDITIONAL_REGISTER_USAGE): Likewise.
4127 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
4128 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
4129 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
4130 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
4131 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
4132 to -1 and sh_flag_remove_dead_before_cse to 1.
4133 (ASSEMBLER_DIALECT): Define to assembler_dialect.
4134 (assembler_dialect, fp_reg_names): Declare.
4135 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
4136 Hide names of registers that are not accessible.
4137 (CACHE_LOG): Take TARGET_CACHE32 into account.
4138 (LOOP_ALIGN): Take TARGET_HARWARD into account.
4139 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
4140 (FIRST_PSEUDO_REGISTER: Now 49.
4141 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
4142 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
4143 (HARD_REGNO_MODE_OK): Update.
4144 (enum reg_class): Add DF_REGS and FPSCR_REGS.
4145 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
4146 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
4147 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
4148 (NPARM_REGS): Eight floating point parameter registers on SH4.
4149 (BASE_RETURN_VALUE_REG): SH4 also passes double values
4150 in floating point registers.
4151 (GET_SH_ARG_CLASS) Likewise.
4152 Complex float types are also returned in float registers.
4153 (BASE_ARG_REG): Complex float types are also passes in float registers.
4154 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
4155 (LIBCALL_VALUE): Remove trailing semicolon.
4156 (ROUND_REG): Round when double precision value is passed in floating
4158 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
4159 passed on the stack.
4160 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
4161 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
4162 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
4163 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
4164 (MODE_DISP_OK_8): Not for SH4 DFmode.
4165 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
4166 Allow indexed addressing for PSImode after reload.
4167 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
4168 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
4169 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
4170 (DOUBLE_TYPE_SIZE): 64 for SH4.
4171 (RTX_COSTS): Add PLUS case.
4172 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
4173 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
4174 MAC_REGS, PR_REGS, DF_REGS.
4175 (REGISTER_NAMES): Use fp_reg_names.
4176 (enum processor_type): Add PROCESSOR_SH4.
4177 (sh_flag_remove_dead_before_cse): Declare.
4178 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
4179 (PREDICATE_CODES): Add binary_float_operator,
4180 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
4181 fpscr_operand, noncommutative_float_operator.
4182 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
4183 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
4184 * sh.md (attribute cpu): Add value sh4.
4185 (attrbutes fmovd, issues): Define.
4186 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
4187 (function units memory, int, mpy, fp): Make dependent on issue rate.
4188 (function units issue, single_issue, load_si, load): Define.
4189 (function units load_store, fdiv, gp_fpul): Define.
4190 (attribute hit_stack): Provide proper default.
4191 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
4192 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
4193 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
4194 (mulsi3_call): Now uses match_operand for function address.
4195 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
4197 (push, pop, push_e, pop_e): Now define_expands.
4198 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
4199 (movsi_ie): Added y/i alternative.
4200 (ic_invalidate_line_i, movdf_i4): New insns.
4201 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
4202 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
4203 (movdf): Add special code for SH4.
4204 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
4205 (call_valuei, calli, call_value): Likewise.
4206 (movsf): Emit no-op move.
4207 (mov_nop, movsi_y): New insns.
4208 (blt, sge): generalize to handle DFmode.
4209 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
4210 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
4211 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
4212 (fpu_switch0, fpu_switch1, movpsi): New expanders.
4213 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
4214 (toggle_sz): New insn.
4215 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
4216 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
4217 (macsf3): Make use of fpscr visible. Disable for SH4.
4218 (floatsisf2): Make use of fpscr visible.
4219 (floatsisf2_i4): New insn.
4220 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
4221 (ieee_ccmpeqsf_t): Likewise.
4222 (fix_truncsfsi2): Emit different code for SH4.
4223 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
4224 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
4225 (negsf2, sqrtsf2, abssf2): Now expanders.
4226 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
4227 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
4228 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
4229 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
4230 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
4231 (fix_truncdfsi2_i4_2+1): New splitters.
4232 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
4233 (extendsfdf2, truncdfsf2): New expanders.
4234 (truncdfsf2_i4): New insn.
4235 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
4236 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
4237 * float-sh.h: When testing for __SH3E__, also test for
4238 __SH4_SINGLE_ONLY__ .
4239 * va-sh.h (__va_freg): Define to float.
4240 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
4241 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
4242 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
4243 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
4245 (TARGET_SH4_P): Define.
4248 * sh.md (movdf_k, movsf_i): Tweak the condition so that
4249 init_expr_once is satisfied about the existence of load / store insns.
4251 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
4252 change m constraint in source operand to mr / mf .
4254 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
4256 * (__VA_REEF): Define.
4257 (__va_arg_sh1): Use it.
4259 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
4261 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
4263 * i386/dgux.c (struct option): Add new "description field".
4264 * m88k/m88k.c (struct option): Likewise.
4266 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
4268 * version.c: Bump for snapshot.
4270 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4272 * regmove.c (regmove_profitable_p): Use return value of find_matches
4275 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
4277 * version.c: Bump for snapshot.
4279 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
4281 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
4282 without reload having been called earlier.
4284 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
4286 (v850_reorg): Similarly.
4288 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
4290 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4292 * loop.c (move_movables): Start of libcall might be new loop start.
4294 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4296 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
4298 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4300 * function.c (nonlocal_goto_handler_slots): Renamed from
4301 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
4302 (push_function_context_to): Adjust for this change.
4303 (pop_function_context_from): Likewise.
4304 (init_function_start): Likewise.
4305 (expand_function_end): Likewise.
4306 * function.h (struct function): Likewise.
4307 * calls.c (expand_call): Likewise.
4308 * explow.c (allocate_dynamic_stack_space): Likewise.
4309 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
4310 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
4312 (expand_goto): When doing a nonlocal goto, find corresponding handler
4313 slot for it. Don't put the label address in the static chain register.
4314 (expand_end_bindings): Break out nonlocal goto handling code into
4315 three new functions.
4316 (expand_nl_handler_label, expand_nl_goto_receiver,
4317 expand_nl_goto_receivers): New static functions, broken out of
4318 expand_end_bindings and adapted to create one handler per nonlocal
4320 * function.c (delete_handlers): Delete insn if it references any of
4321 the nonlocal goto handler slots.
4322 * i960.md (nonlocal_goto): Comment out code that modifies
4324 * sparc.md (nonlocal_goto): Likewise.
4325 (goto_handler_and_restore_v9): Comment out.
4326 (goto_handler_and_restore_v9_sp64): Comment out.
4328 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4330 * expr.c (STACK_BYTES): Delete unused macro.
4331 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
4332 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4333 (expand_call): Likewise.
4334 (emit_library_call): Likewise.
4335 (emit_library_call_value): Likewise.
4336 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
4337 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4338 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
4339 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4340 (allocate_dynamic_stack_space): Likewise.
4341 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
4342 (STACK_BOUNDARY): Update description to reflect the new situation.
4344 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
4346 * reorg.c (relax_delay_slots): When optimizing for code size, if a
4347 return with a filled delay slot is followed by a return with an
4348 unfilled delay slot, delete the first return and reemit the insn
4349 that was previously in its delay slot.
4351 * i860.c (single_insn_src_p): Add missing parens.
4352 * ginclude/math-3300.h: Likewise.
4354 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
4356 * regclass.c (init_reg_sets_1): Add prototype.
4357 (init_reg_modes): Likewise.
4359 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
4361 * c-common.c: Change warning messages to say `comparison is
4362 always true' or `comparison is always false' instead of the
4363 confusing `is always 0', `is always 1'.
4365 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
4367 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
4368 break instead of return (which loses closing '>').
4370 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
4372 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
4373 standard 387 constants.
4375 * i386.md (jump): Explicitly set "memory" attribute.
4376 (indirect_jump, prologue_set_stack_ptr): Likewise.
4377 (prologue_get_pc_and_set_got, pop): Likewise.
4378 (allocate_stack_worder, blockage, return_internal): Likewise.
4379 (return_pop_internal, nop): Likewise.
4380 (epilogue_set_stack_ptr, leave): Likewise.
4382 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
4384 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
4386 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4388 * reload1.c (reload_reg_free_for_value_p):
4389 Early auto_inc reloads don't conflict with outputs.
4391 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4393 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
4394 Instead call AC_HEADER_SYS_WAIT.
4396 * collect2.c: Don't provide defaults for sys/wait.h macros.
4398 * protoize.c: Likewise. Also, don't include sys/wait.h.
4400 * system.h: Include sys/wait.h and provide macro defaults.
4402 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4404 * Makefile.in (mandir): Set to @mandir@.
4405 (man1dir): New variable to hold the former value of $(mandir).
4406 Replace all uses of $(mandir) by $(man1dir).
4408 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
4410 * reload.c (find_reloads_address_part): If have a CONST_INT, create
4411 a new one before passing it to force_const_mem.
4413 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
4414 find_reloads_address call.
4416 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4418 * expr.c (store_expr): Don't generate load-store pair
4419 if TEMP is identical (according to ==) with TARGET.
4421 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4423 * reload1.c (reload_reg_free_for_value_p): When considered reload
4424 has an output, matching inputs are not sufficient to avoid conflict.
4426 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
4428 * hash.h (hash_table_key): New type.
4429 (hash_entry): Change `string' field to generic `key'.
4430 (hash_table): Add `comp' and `hash' functions.
4431 (hash_table_init): Take them as input.
4432 (hash_table_init_n): Likewise.
4433 (hash_lookup): Modify for generic keys.
4434 (hash_newfunc): Likewise.
4435 (hash_traverse): Likewise.
4436 (string_hash): New function.
4437 (string_compare): Likewise.
4438 (string_copy): Likewise.
4439 * hash.c (hash_table_init_n): Modify for generic keys.
4440 (hash_table_init): Likewise.
4441 (hash_lookup): Likewise.
4442 (hash_newfunc): Likewise.
4443 (hash_traverse): Likewise.
4444 (string_hash): Split out from hash_lookup.
4445 (string_compare): New function.
4446 (string_copy): Split out from hash_lookup.
4447 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
4449 (symbol_hash_lookup): Likewise.
4450 (file_hash_newfunc): Likewise.
4451 (file_hash_lookup): Likewise.
4452 (demangled_hash_newfunc): Likewise.
4453 (demangled_hash_lookup): Likewise.
4454 (tlink_int): Likewise.
4455 (read_repo_file): Likewise.
4456 (recompile_files): Likewise.
4457 (demangle_new_symbols): Likewise.
4458 (scan_linker_output): Likewise.
4460 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4462 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
4464 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
4466 * rs6000.c (output_mi_thunk): Improve test for local branch.
4468 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4470 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
4472 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4474 * reload1.c (reload_reg_free_before_p): Delete.
4475 Changed all callers to use reload_reg_free_for_value_p instead.
4476 (reload_reg_free_for_value_p): Handle more reload types.
4477 A RELOAD_FOR_INPUT doesn't conflict with its
4478 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
4479 Add special case for OUT == const0_rtx.
4480 Added ignore_address_reloads argument. Changed all callers.
4482 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
4484 * toplev.c (compile_file): Don't pedwarn about undefined static
4485 functions just because we passed -Wunused.
4487 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4489 * function.c (purge_addressof_1): Unshare rtl created by
4492 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4494 * regmove.c (regmove_optimize): Don't do anything but
4495 optimize_reg_copy[123] when flag_regmove is not set.
4497 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
4499 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
4500 value in paradoxical SImode result, rather than truncating midpoint.
4502 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
4504 * alpha.c (reg_not_elim_operand): New.
4505 * alpha.h (PREDICATE_CODES): Add it.
4506 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
4507 for the multiplicand.
4509 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
4511 * rs6000.md (movsf): Remove explicit secondary-reload-like
4512 functionality. Only truncate SFmode store if in FPR.
4513 (movsf splitters): Combine const_double splitters.
4514 (movsf_hardfloat): Add GPR support.
4516 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
4518 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
4519 deprecate -mlive-g0 and -mbroken-saverestore.
4520 * t-splet (MULTILIB_OPTIONS): Likewise.
4522 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
4523 in a leaf function. Clarify total_size/extra_size relationship.
4525 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
4527 * i386/cygwin32.asm: Delete.
4528 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
4529 * i386/cygwin32.h: Delete.
4530 * i386/cygwin.h: New file, renamed from cygwin32.h.
4531 * i386/t-cygwin32: Delete.
4532 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
4533 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
4534 * i386/x-cygwin32: Delete.
4535 * i386/x-cygwin: New file, renamed from x-cygwin32.
4536 * i386/xm-cygwin32: Delete.
4537 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
4538 renamed cygwin_ funcs for path translations.
4539 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
4540 * i386/winnt.c: Remove "32" from comment about cygwin.
4541 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
4542 * rs6000/cygwin32.h: Delete.
4543 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
4544 -D__CYGWIN__ to CPP_PREDEFINES.
4545 * rs6000/x-cygwin32: Delete.
4546 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
4547 * rs6000/xm-cygwin32: Delete.
4548 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
4550 * configure.in: Check for cygwin* instead of cygwin32. Account
4551 for the rename of cygwin-related config files to lose the "32"s.
4552 * configure: Regenerate.
4554 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
4555 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
4557 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
4559 * Makefile.in (JAVAGC): New macro.
4560 * configure: Rebuilt.
4561 * configure.in: Recognize --enable-java-gc argument. Subst
4564 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4566 Handle equivalences that have been obscured by gcse:
4568 * reload1.c (reload): Handle equivalences set up in multiple places.
4569 * local-alloc.c (reg_equiv_init_insns): New variable.
4570 (no_equiv): New function.
4571 (update_equiv_regs): Handle equivalences set up in multiple places.
4572 Don't ignore an insn just because its destination is likely to be
4575 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
4577 * except.c (expand_eh_return): Readd force_operand call lost in
4580 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
4582 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
4584 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4586 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
4588 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4590 * regmove.c (regmove_optimize): Fix error in last change.
4592 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
4594 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
4595 offset in the .mask pseudo to compensate for frame pointer adjustments.
4596 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
4597 word swap arguments moved to/from FP registers.
4598 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
4600 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
4602 * version.c: Bump for snapshot.
4604 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
4606 * version.c: Bump for snapshot.
4608 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
4610 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
4611 times, then it can not be completely replaced.
4613 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
4615 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
4617 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4619 * gansidecl.h: Prepend a "G" to the macro wrapping this file
4620 (to distinguish it from the macro wrapping ansidecl.h.)
4621 Include libiberty's ansidecl.h. Remove all redundant definitions.
4622 Define the PROTO() style macros in terms of the PARAMS() ones.
4625 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
4626 __STDC__, when deciding whether to use ANSI variable args.
4627 (emit_library_call_value): Likewise.
4629 * cccp.c (error): Likewise.
4630 (warning): Likewise.
4631 (error_with_line): Likewise.
4632 (warning_with_line): Likewise.
4633 (pedwarn): Likewise.
4634 (pedwarn_with_line): Likewise.
4635 (pedwarn_with_file_and_line): Likewise.
4638 * cexp.y (error): Likewise.
4639 (pedwarn): Likewise.
4640 (warning): Likewise.
4642 * collect2.c (fatal_perror): Likewise.
4646 * combine.c (gen_rtx_combine): Likewise.
4648 * cpperror.c (cpp_message): Likewise.
4649 (cpp_fatal): Likewise.
4651 * cpplib.c (cpp_error): Likewise.
4652 (cpp_warning): Likewise.
4653 (cpp_pedwarn): Likewise.
4654 (cpp_error_with_line): Likewise.
4655 (cpp_warning_with_line): Likewise.
4656 (cpp_pedwarn_with_line): Likewise.
4657 (cpp_pedwarn_with_file_and_line): Likewise.
4659 * cpplib.h: Don't define PARAMS() macro.
4661 * demangle.h: Likewise.
4663 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
4664 when deciding whether to use ANSI variable args.
4666 * emit-rtl.c (gen_rtx): Likewise.
4667 (gen_rtvec): Likewise.
4669 * final.c (asm_fprintf): Likewise.
4671 * fix-header.c (cpp_message): Likewise.
4673 (cpp_fatal): Likewise.
4675 * gcc.c (concat): Likewise.
4679 * genattr.c (fatal): Likewise.
4681 * genattrtab.c (attr_rtx): Likewise.
4682 (attr_printf): Likewise.
4685 * gencodes.c (fatal): Likewise.
4687 * genconfig.c (fatal): Likewise.
4689 * genemit.c (fatal): Likewise.
4691 * genextract.c (fatal): Likewise.
4693 * genflags.c (fatal): Likewise.
4695 * genopinit.c (fatal): Likewise.
4697 * genoutput.c (fatal): Likewise.
4700 * genpeep.c (fatal): Likewise.
4702 * genrecog.c (fatal): Likewise.
4704 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
4705 deciding whether to declare `tree_node' and `rtx_def'.
4707 * hash.h: Don't define stuff we get from gansidecl.h.
4709 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
4710 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
4711 whether to use ANSI variable args.
4714 * prefix.c (concat): Likewise.
4718 * system.h: Likewise.
4720 * toplev.c (error_with_file_and_line): Likewise.
4721 (error_with_decl): Likewise.
4722 (error_for_asm): Likewise.
4725 (warning_with_file_and_line): Likewise.
4726 (warning_with_decl): Likewise.
4727 (warning_for_asm): Likewise.
4728 (warning): Likewise.
4729 (pedwarn): Likewise.
4730 (pedwarn_with_decl): Likewise.
4731 (pedwarn_with_file_and_line): Likewise.
4733 (really_sorry): Likewise.
4735 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
4736 whether to declare `tree_node' and `rtx_def'.
4738 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
4739 deciding whether to use ANSI variable args.
4740 (build_nt): Likewise.
4741 (build_parse_node): Likewise.
4743 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
4745 * version.c: Bump for snapshot.
4747 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4749 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
4751 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4753 * collect2.c (main, case 'b'): Use else if.
4755 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4757 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
4758 Arrange to include gansidecl.h in {ht}config.h & tm.h just
4759 before the config/ directory headers.
4760 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
4761 gansidecl.h in the list of dependencies.
4763 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
4764 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
4765 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
4766 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
4767 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
4768 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
4771 * cccp.c: Don't include gansidecl.h.
4773 * collect2.c: Likewise.
4774 * config/c4x/c4x.c: Likewise.
4775 * config/v850/v850.h: Likewise.
4776 * cppalloc.c: Likewise.
4777 * cpperror.c: Likewise.
4778 * cppexp.c: Likewise.
4779 * cppfiles.c: Likewise.
4780 * cpphash.c: Likewise.
4781 * cpplib.c: Likewise.
4782 * cppmain.c: Likewise.
4783 * cppulp.c: Likewise.
4784 * demangle.h: Likewise.
4785 * doprint.c: Likewise.
4786 * dyn-string.c: Likewise.
4787 * eh-common.h: Likewise.
4788 * fix-header.c: Likewise.
4789 * frame.c: Likewise.
4792 * gen-protos.c: Likewise.
4793 * gencheck.c: Likewise.
4794 * halfpic.h: Likewise.
4796 * machmode.h: Likewise.
4797 * mbchar.c: Likewise.
4798 * prefix.c: Likewise.
4799 * protoize.c: Likewise.
4800 * recog.h: Likewise.
4802 * scan-decls.c: Likewise.
4804 * varray.h: Likewise.
4806 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
4808 * i386.md (call_value_pop): If we're not popping anything,
4809 defer to call_value.
4810 (call_pop): Likewise defer to call.
4812 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
4814 * function.c (purge_addressof): Clear purge_addressof_replacements
4815 only after processing the whole function.
4817 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
4819 * reload1.c (reload): If we can not perform a particular elimination
4820 when we thought we could earlier, then we must always iterate through
4821 the loop at least one more time.
4823 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
4825 * alpha.c (add_operand): Simplify the CONST_INT match.
4826 (sext_add_operand): Correct typo in comparison by using
4827 CONST_OK_FOR_LETTER_P.
4828 * alpha.md (s?addq): Use sext_add_operand to allow the negative
4829 constant alternatives to be generated.
4830 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
4831 small constants, since the hw instructions do.
4833 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4835 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
4836 previous insn to store directly into our reload register, make sure
4837 that if the source of the previous insn is a reload register, its
4838 spill_reg_store and spill_reg_stored_to values are cleared.
4840 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
4842 * rs6000.md (floatunssidf2_internal splitter): Use base register
4843 operand, not hard-coded SP.
4845 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4847 * jump.c (calculate_can_reach_end): Fix thinko.
4849 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
4851 * reorg.c (fill_simple_delay_slots): Fix typo.
4853 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
4855 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
4857 * i386.md (extendsidi2): Use # in the output template.
4858 (extendsidi splitters): New splitters.
4860 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
4862 * configure.in: Use unknown-elf.h as tm_file for arm-elf
4864 * configure: Regenerate.
4866 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4868 * jump.c (init_label_info, delete_barrier_successors,
4869 mark_all_labels, delete_unreferenced_labels,
4870 delete_noop_moves, calculate_can_reach_end): New functions broken
4871 out of jump_optimize.
4872 (jump_optimize): Use them.
4874 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4876 * except.c (expand_fixup_region_end): Make sure outer context labels
4877 are not issued in an inner context during cleanups.
4879 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
4881 * alpha.md (addsi3, subsi3): No new temporaries once cse is
4884 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
4886 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
4887 to expose this midpoint to CSE.
4889 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4891 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
4893 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4895 * configure.in: Bring over gcc2 change of Nov 19 1997.
4897 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
4899 * toplev.c (output_lang_identify): Make definition dependent on
4900 ASM_IDENTIFY_LANGUAGE.
4902 * print-rtl.c (spaces): Make static.
4904 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
4906 * extend.texi: Clarify proper uses for register clobbers in asms.
4908 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4910 * recog.h (enum op_type): Define.
4911 (constrain_operands): Adjust prototype.
4912 (recog_op_type): Declare new variable.
4913 * recog.c (recog_op_type): New variable.
4914 (insn_invalid_p): Allow modifying an asm statement after reload.
4915 (extract_insn): Set up recog_op_type.
4916 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
4917 Don't compute operand types, use recog_op_type.
4918 Use the information computed by extract_insn instead of the previous
4919 method of finding it by insn code number.
4920 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
4921 * reorg.c (fill_slots_from_thread): Likewise.
4922 * reload1.c (reload_as_needed): Likewise.
4923 (gen_reload): Likewise.
4924 (inc_for_reload): Likewise.
4925 (reload_cse_simplify_operands): Likewise.
4926 Use the information computed by extract_insn instead of the previous
4927 method of finding it by insn code number.
4928 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
4930 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
4931 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
4932 Use the information computed by extract_insn instead of the previous
4933 method of finding it by insn code number.
4934 * regmove.c (find_matches): Likewise. Change meaning of the return
4935 value to be nonzero if the optimization can be performed, zero if
4936 not. All callers changed.
4937 Shorten some variable names to fix formatting problems.
4938 (regmove_optimize): Shorten some variable names to fix formatting
4940 Use the information computed by extract_insn instead of the previous
4941 method of finding it by insn code number.
4942 * regclass.c (scan_one_insn): Likewise.
4943 (record_reg_classes): Don't compute operand types, use recog_op_type.
4944 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
4945 recog_constraints instead.
4947 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
4949 * rtl.h (flow2_completed): Declare.
4950 * flow.c (flow2_completed): Definition.
4951 * toplev.c (rest_of_compilation): Set and clear flow2_completed
4954 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
4956 * Makefile.in (libcpp.a): Ranlib libcpp.a
4958 * cppulp.c (user_label_prefix): Initialize.
4960 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
4962 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
4963 at a RETURN if current_function_sp_is_unchanging is set.
4965 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4967 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
4969 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
4971 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
4972 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
4973 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
4974 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
4975 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
4976 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
4978 (LIB_SPEC): Handle -mno-cyginw option.
4979 (LINK_SPEC): Handle -mdll.
4981 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4983 * reload.c (find_reloads): Fix test for usage by other reload
4984 to handle secondary reloads properly.
4986 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4988 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
4989 intermediate structure which has exactly the members provided by
4990 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
4991 static intermediate structure.
4993 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
4994 from the intermediate structure. Do the same analogous fix in
4995 the case where ELIMINABLE_REGS is not defined.
4997 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
4999 * pa.h (SELECT_SECTION): Fix thinko.
5001 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
5003 * dwarf2out.c (output_call_frame_info): Comments on last change.
5005 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
5007 * arm.c (add_constant): When taking the address of an item in the
5008 pool, get the mode of the item addressed.
5010 * arm.c (final_prescan_insn case INSN): If an insn doesn't
5011 contain a SET or a PARALLEL, don't consider it for conditional
5014 Restore ABI compatibility for NetBSD.
5015 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
5017 (RETURN_IN_MEMORY): Likewise.
5019 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
5021 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
5022 (m32r_output_block_move): Rewrite bytes < 4 handling.
5024 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5026 * configure.in: Call AC_FUNC_VFORK.
5028 * collect2.c: Define VFORK_STRING as a printable string for
5029 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
5030 defined, include vfork.h. If VMS is defined, define vfork()
5031 appropriately. Remove vfork check on USG, we're using autoconf.
5032 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
5033 checking locally what string to pass.
5034 (scan_prog_file): Likewise.
5035 (scan_libraries): Likewise.
5037 * gcc.c: Remove vfork check on USG, we're using autoconf.
5038 Besides, no calls to vfork/fork occur in this file.
5040 * protoize.c: Likewise.
5042 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5044 * configure.in (DEFAULT_LINKER): renamed from LD
5045 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
5046 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
5047 * configure: rebuilt
5049 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5051 * BUGS: fix the regexp for `more' to find the appropriate node.
5052 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
5054 * BUGS: added link to the WWW FAQ
5056 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
5058 * version.c: Bump for snapshot.
5060 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
5062 * From Christian Gafton:
5063 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
5064 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
5065 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
5067 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
5069 * c-common.c (c_get_alias_set): Allow all type-punning through
5070 unions. Don't get confused about the type of a bit-field, despite
5071 the antics of build_modify_expr.
5073 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
5075 * fixinc.sco: Paramaterize #include_next values.
5076 * fixinc/fixinc.sco: Likewise.
5078 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
5080 * toplev.c (rest_of_compilation): No longer set reload_completed.
5081 * reload1.c (reload): Set it here. Perform instruction splitting
5082 after reload has completed if we will be running the scheduler
5085 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
5087 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
5088 EH region if exceptions are enabled and we're performing cross
5090 (find_cross_jump): Exit loop if the insns are in different EH regions.
5092 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
5094 * dwarf2out.c (output_call_frame_info): Use
5095 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
5097 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5099 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
5100 * c-common.c (check_format_info): Don't check for the 'x'
5101 format character twice, instead check for 'x' and 'X'
5103 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
5105 * configure.in (assembler features): Also make gas is configured if
5106 we find it in the souce tree.
5108 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
5110 * i386.c (i386_comp_type_attributes): Compare whether the
5111 attributes are defined, not their tree nodes.
5113 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5115 * configure.in (gxx_include_dir): bitten by autoconf quoting
5117 * configure: rebuilt
5119 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5121 * configure.in: Ignore non-absolute value in $AS.
5123 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
5125 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
5127 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
5129 * configure.in (msdosdjgpp): Set exeext and target_alias.
5131 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5133 * flow.c (XNMALLOC): New macro.
5134 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
5136 (add_edge, add_edge_to_label): New static functions.
5137 (free_bb_memory): New function.
5138 (flow_delete_insn): Delete function.
5139 (basic_block_drops_in): Delete variable.
5140 (find_basic_blocks): Allocate and initialize basic_block_head,
5141 basic_block_succ. Don't allocate basic_block_drops_in.
5142 Call free_bb_memory at the beginning.
5143 (find_basic_blocks_1): Don't do multiple passes.
5144 Delete code to compute basic_block_drops_in.
5145 After calling make_edges, mark blocks reached by current block live.
5146 Update test for unreachable live blocks.
5147 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
5149 Simplify to call add_edge_to_label when a LABEL_REF is found.
5150 (make_edges): Simplify to call add_edge_to_label instead of
5151 mark_label_ref most of the time.
5152 Compute here whether control drops into the next block.
5153 (delete_unreachable_blocks): Return void. All callers changed.
5154 Delete unreachable blocks in reverse order.
5155 After deleting all unreachable blocks, renumber the remaining ones
5156 and update n_basic_blocks.
5157 (delete_block): Speed up deletion a bit.
5158 Don't set basic_block_drops_in for deleted blocks.
5159 (free_basic_block_vars): Don't free basic_block_drops_in.
5160 (life_analysis_1): Update to use new edge representation.
5161 (dump_flow_info): Delete code to print basic block info; call
5162 dump_bb_data instead.
5163 (compute_preds_succs): Delete code to recompute basic_block_drops_in
5164 and uid_block_number.
5165 Simply copy the previously computed cfg.
5166 (dump_bb_data): New arg LIVE_INFO. All callers changed.
5167 Print register lifetime information if LIVE_INFO is nonzero.
5168 * basic-block.h (dump_bb_data): Adjust prototype.
5169 * gcse.c (gcse_main): Update call to dump_bb_data.
5170 * rtl.h (free_bb_memory): Declare.
5171 * toplev.c (rest_of_compilation): Call free_bb_memory.
5173 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
5174 (update_eliminable_offsets): Don't compute it.
5175 (set_initial_elim_offsets): Don't initialize it.
5176 Break out some code into set_initial_label_offsets so the rest of
5177 this function can be called from reload_as_needed.
5178 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
5179 ELIMINABLE_REGS isn't.
5180 (set_initial_label_offsets): New function, broken out of
5181 set_initial_elim_offsets.
5182 (set_offsets_for_label): New function, broken out of set_label_offsets
5183 and reload_as_needed.
5184 (reload): Call the two new functions.
5185 (reload_as_needed): Call set_initial_elim_offsets instead of
5186 duplicating the code. Likewise for set_offsets_for_label.
5188 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
5189 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
5190 any hard reg, reg_reloaded_dead contains valid data.
5192 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
5194 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
5195 "stdcall" and "cdecl" attributes.
5197 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
5199 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
5200 handle deleted no-op moves of hard registers.
5201 * haifa-sched.c (update_flow_info): Likewise.
5203 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
5205 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
5206 of the sequences to reload the HILO register which do not actually
5209 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
5211 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
5213 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5215 * except.c (emit_eh_context): Make the EH context register stay alive
5216 at -O0 so stupid.c doesn't get confused.
5218 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5220 * emit-rtl.c (try_split): Do not try to split a BARRIER.
5222 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
5223 Jeffrey A Law (law@cygnus.com)
5225 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
5226 (zero_extendsidi2): Use # in output template and handle completely by
5228 (zero_extend splitters): New define_splits.
5229 (ashiftrt_32): New pattern.
5231 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
5233 * tree.c (append_random_chars): New fn.
5234 (get_file_function_name_long): Use it.
5236 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
5238 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
5239 (LIBCPP_OBJS): New. Add cppulp.o.
5240 (cppmain, fix-header): Depend on and use libcpp.a.
5241 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
5242 of the individual object files.
5243 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
5246 * cccp.c (user_label_prefix): New.
5247 (main): Set it off -f*leading-underscore.
5248 (special_symbol): Use it.
5249 * cpplib.c (special_symbol): Likewise.
5250 (cpp_handle_option): Handle -f*leading-underscore.
5251 * cppulp.c: New file.
5253 * output.h (user_label_prefix): Declare it.
5254 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
5255 * toplev.c (f_options, main): Handle -f*leading-underscore.
5257 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
5258 referencing USER_LABEL_PREFIX directly.
5259 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
5260 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
5261 * final.c (asm_fprintf): Use user_label_prefix instead.
5262 * arm/thumb.c (thumb_print_operand): Likewise.
5264 * gcc.c (default_compilers): Pass -f*leading-underscore on to
5265 cpp wherever appropriate.
5267 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
5269 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
5270 specific compiler switches.
5272 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
5274 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
5277 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5279 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
5280 structure which has exactly the members provided by EXTRA_SPECS.
5281 Xmalloc() the real `extra_specs', and initialize it from this
5282 intermediate structure.
5284 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
5286 * mips.h (EXTRA_SPECS): Likewise.
5288 * sparc.h (EXTRA_SPECS): Likewise.
5290 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5292 * function.c (purge_addressof_1): Instead of aborting when a
5293 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
5294 work just put the ADDRESSOF on stack. Otherwise remember all such
5295 successfull replacements, so that exactly the same replacements
5296 can be made on the REG_NOTEs. Remove the special case for CALL
5298 (purge_addressof_replacements): New variable.
5299 (purge_addressof): Clear it at end.
5301 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5303 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
5304 (lang_init): Call check_newline always.
5305 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
5306 cpp_start_read, set yy_cur and yy_lim to read from
5307 parse_in.token_buffer, so that we'll see the first #line
5309 * cpplib.c (cpp_start_read): finclude the main input file
5310 before processing -include/-imacros. Process -imacros and
5311 -include separately, and handle -include by stacking a
5312 buffer for the file in question as if it'd been #included.
5313 * toplev.c (documented_lang_options) Recognize -H when
5316 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5318 * cpplib.c: Merge do_once into do_pragma. Break file handling
5319 code out of do_include.
5320 Move append_include_chain, deps_output,
5321 file_cleanup, redundant_include_p, import_hash,
5322 lookup_import, add_import, read_filename_string, read_name_map,
5323 open_include_file, finclude, safe_read to cppfiles.c.
5324 Move prototypes for deps_output, append_include_chain,
5325 finclude to cpplib.h. Move definition of struct
5326 file_name_list there also.
5328 * cppfiles.c: New file. Contains all the above functions
5329 broken out of cpplib.c; also hack_vms_include_specification
5330 from cccp.c and find_include_file, a new function broken out of
5333 * Makefile.in (cppmain): Depend on cppfiles.o.
5334 (fix-header): Likewise.
5335 (cppfiles.o): New target.
5336 * configure.in (--enable-c-cpplib): Add cppfiles.o to
5337 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
5339 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
5341 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
5342 if pending_types is non-zero.
5343 (dwarfout_finish): Verify pending_types is zero before finishing.
5345 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
5347 * expr.c (convert_move): Use shifts to perform the move if a
5348 suitable extend pattern cannot be found. Code written by
5349 Richard Henderson <rth@cygnus.com>.
5351 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5353 * regclass.c (renumber, regno_allocated): New static variables, moved
5354 out of allocate_reg_info.
5355 (allocate_reg_info): Move these two variables outside the function.
5356 Move code to free memory into new function free_reg_info.
5357 (free_reg_info): New function, broken out of allocate_reg_info.
5358 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
5359 * rtl.h (allocate_reg_info): Don't declare.
5360 (free_reg_info): Declare.
5362 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
5364 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
5366 * toplev.c (compile_file): Temporarily revert last change.
5368 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
5370 * c-typeck.c (convert_for_assignment): Parenthesize.
5372 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5374 * reload1.c (delete_output_reload): Avoid ambigous else.
5376 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
5378 * toplev.c (compile_file): Call allocate_reg_info to free register
5380 * rtl.h (allocate_reg_info): Declare.
5382 * PROJECTS: Remove entry for local spilling.
5384 * final.c (cleanup_subreg_operands): New function.
5385 (final_scan_insn): Use it.
5386 (alter_subreg): Clear the "used" field when we turn a SUBREG into
5388 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
5389 operands when reload has finished.
5390 * reload.h (cleanup_subreg_operands): Declare..
5391 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
5392 reload. Handled in reload itself.
5394 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5396 * reload1.c (verify_initial_offsets): New function.
5397 (reload): Call it after reload_as_needed. Also verify that the frame
5398 size stays constant during reload_as_needed.
5399 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
5401 * reload.h (struct insn_chain): Add need_operand_change element.
5402 * reload1.c (new_insn_chain): Clear it.
5403 (calculate_needs_all_insns): Set it; don't overload need_reload.
5404 (reload_as_needed): Use it.
5406 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
5407 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
5408 and reload_address_index_reg_class.
5409 (find_reloads_address_1): Likewise.
5410 * reload.h (reload_address_base_reg_class,
5411 reload_address_index_reg_class): Don't declare.
5412 * reload1.c (reg_old_renumber, pseudo_previous_regs,
5413 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
5414 (used_spill_regs): Now static.
5415 (reload_address_base_reg_class, reload_address_index_reg_class,
5416 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
5417 basic_block_needs, max_needs, group_size, group_mode, max_groups,
5418 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
5421 (init_reload): Delete code to compute base/index reg classes.
5422 (reload): Delete variable J.
5423 Delete code to manage basic_block_needs.
5424 Don't compute regs_explicitly_used.
5425 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
5426 pseudo_previous_regs.
5427 Initialize bad_spill_regs_global.
5428 Don't call order_regs_for_reload here.
5429 Don't initialize spill_reg_order and n_spills.
5430 Don't forbid explicitly used regs to be used for spill regs.
5431 Change main loop to infinite loop, with explicit break statements.
5432 Make SOMETHING_CHANGED variable local to that loop.
5433 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
5434 max_groups_insn, max_nongroups_insn, group_size, group_mode.
5435 Make sure spilled_speudos is cleared before calling spill_hard_reg or
5437 Don't call dump_needs.
5438 Delete code to reset potential_reload_regs.
5439 Delete code to terminate loop conditional on the global needs variables
5440 showing no further needs.
5441 (calculate_needs_all_insns): Return void. All callers changed.
5442 Initialize somehing_needs_elimination here, not in reload.
5443 Delete avoid_return_reg kludge.
5444 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
5445 All callers changed.
5446 Initialize the group_mode and group_size elements of the arg CHAIN.
5447 Delete code to manage basic_block_needs.
5448 Operate on elements of CHAIN instead of global variables.
5449 Delete avoid_return_reg kludge.
5450 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
5451 All callers changed.
5452 Operate on elements of CHAIN instead of global variables.
5453 Delete special SMALL_REGISTER_CLASSES code.
5454 Delete spill_failure code; now in new_spill_reg.
5455 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
5456 All callers changed.
5457 Operate on elements of CHAIN instead of global variables.
5458 (maybe_mark_pseudo_spilled): New static function.
5459 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
5460 All callers changed.
5461 Operate on elements of CHAIN instead of global variables.
5462 Call order_regs_for_reload here, not in reload.
5463 Initialize spill_reg_order and n_spills.
5464 Simplify test whether an asm insn is involved.
5465 Delete spill_failure code; now in new_spill_reg.
5466 Call maybe_mark_pseudo_spilled for everything marked as live in
5467 CHAIN. Merge CHAIN's used_spill_regs into the global variable
5469 (dump_needs): Take CHAIN arg. No longer static, to prevent the
5470 compiler from optimizing this function (now unused) away.
5471 Operate on elements of CHAIN instead of global variables.
5472 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
5474 Operate on elements of CHAIN instead of global variables.
5475 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
5476 take CHAIN arg. All callers changed.
5477 Operate on elements of CHAIN instead of global variables.
5478 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
5479 CHAIN, NONGROUP args. Return void. All callers changed.
5480 Verify caller isn't trying to spill a pseudo.
5481 Simplify test for illegal reg, just use bad_spill_regs.
5482 Generate better error messages.
5483 Operate on elements of CHAIN instead of global variables.
5484 Mark spilled register in CHAIN's used_spill_regs element.
5485 Don't call spill_hard_reg.
5486 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
5487 Mark spilled hard regs in bad_spill_regs_global.
5488 Mark affected pseudos in spilled_pseudos, but don't spill them.
5489 (ior_hard_reg_set): New static function.
5490 (finish_spills): Return int. All callers changed.
5491 Compute spill_reg_order, n_spills and spill_regs here. Also update
5492 regs_ever_live for regs used as spills.
5493 For every pseudo in spilled_pseudos, spill it and mark the previous
5494 hard reg it had in pseudo_previous_regs. Compute which hard regs
5495 arseudo): New static function.
5496 (order_regs_for_reload): Take CHAIN arg. All callers changed.
5497 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
5498 hard registers explicitly used across the current insn into the set.
5499 Compute hard_reg_n_uses taking only pseudos live across this insn
5501 Tweak sorting of potential_reload_regs.
5502 (compare_spill_regs): Delete function.
5503 (reload_as_needed): Don't sort the spill_regs array, it's computed
5504 in proper order in finish_spills.
5505 Delete avoid_return_reg kludge.
5506 Delete code to manage basic_block_needs.
5507 (allocate_reload_reg): Minor speed/readability tweaks.
5508 Operate on elements of CHAIN instead of global variables.
5509 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
5510 Delete avoid_return_reg kludge.
5511 Initialize reload_reg_used from CHAIN's used_spill_regs element.
5512 Delete unused label FAIL.
5513 (reload_combine): Replce reload_address_index_reg_class with
5515 Don't use used_spill_regs to determine information about lifetime of
5518 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
5520 * toplev.c (display_help): Ignore empty target specific
5521 options, and if -W is also specified on the command line then
5522 display undocumented options.
5524 * config/arm/arm.c: Updated with changes in devo sources.
5525 * config/arm/arm.h: Updated with changes in devo sources.
5526 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
5527 * config/arm/lib1thumb.asm: Add ELF support.
5529 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
5531 * collect2.c (aix64_flag): New variable.
5532 (main, case 'b'): Parse it.
5533 (GCC_CHECK_HDR): object magic number must match mode.
5534 (scan_prog_file): Only check for shared object if valid header.
5535 Print debugging if header/mode mismatch.
5537 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
5539 Added support for arm-elf-linux configuration, submitted by Philip
5540 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
5541 code developed by Catherine Moore <clm@cygnus.com>. The following
5544 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
5547 * configure: Regenerated.
5549 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
5550 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
5551 definitions conditional on their not having been already defined.
5553 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
5554 and .type directives, and add "(PLT)" qualification to function
5557 * config/arm/linux.h: Deleted. This file is now superceeded by
5558 either linux-elf.h or linux-aout.h.
5560 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
5561 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
5563 Move definitions from old linux.h file here.
5565 * config/arm/elf.h: New file. Generic ARM/ELF support.
5567 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
5569 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
5571 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
5572 using the 26bit APCS.
5574 * config/arm/unknown-elf.h: New file. Support for OS'es other
5575 than Linux with ELF.
5577 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
5580 * config/arm/coff.h: Include aout.h for basic assembler macros.
5581 Add support for -mstructure_size_boundary=<n> command line option.
5583 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
5584 command line option. Make macro definitions conditional on their
5585 not having been already defined.
5587 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
5588 command line option.
5591 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
5593 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
5594 has been changed to not include a newline. Use this macro instead.
5595 (output_enumeral_list, const_value_attribute, name_attribute,
5596 comp_dir_attribute, prototyped_attribute, producer_attribute,
5597 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
5598 dwarfout_file_scope_decl, generate_new_sfname_entry,
5599 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
5600 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
5602 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
5604 * combine.c (subst): Process the inputs to a parallel asm_operands
5607 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
5609 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
5611 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
5613 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
5615 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
5617 * version.c: Bump for snapshot.
5619 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5621 * stmt.c (expand_fixup): Set fixup->before_jump to a
5622 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
5624 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5626 * Makefile.in (recog.o): Depend on toplev.h.
5627 (insn-emit.o): Depend on recog.h.
5628 (insn-peep.o): Depend on recog.h and insn-config.h.
5630 * combine.c (simplify_set): Remove unused variable `scratches'.
5632 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
5633 and `idx' in macro conditional controlling their use.
5635 * genemit.c (main): Make the generated output file include
5636 recog.h. Don't have it declare `insn_operand_constraint', since
5637 we get it from recog.h.
5639 * genpeep.c (main): Make the generated output file include
5640 insn-config.h and recog.h.
5642 * recog.c: Include toplev.h.
5643 (extract_insn): Remove unused variable `p'.
5645 * regclass.c (fix_register): Add missing braces around initializer
5647 (allocate_reg_info): Move variable `i' into the scope where it is
5648 used. Change its type to `size_t'.
5650 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5652 * reload.c (push_reload): When merging reloads, make sure
5653 that reload_in_reg and reload_in are from the same reload in
5656 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
5658 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
5659 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5661 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
5663 * loop.c (loop_has_tablejump): New variable.
5664 (prescan_loop): Scan for it.
5665 (insert_bct): Replace explicit scan with use of it.
5666 * regclass.c (regclass): Restore loop variable j.
5667 (record_reg_classes): Deterine op_types modifiers and initialize
5668 classes[i] before matching constraints. Handle matching
5671 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
5673 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
5676 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5678 * mips.h (EXTRA_SPECS): Add missing initializers.
5680 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5682 * sparc.h (EXTRA_SPECS): Add missing initializers.
5683 (sparc_defer_case_vector): Provide a prototype.
5685 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
5686 comparing it to the result of a pointer subtraction.
5688 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5690 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
5691 the argument to (unsigned char).
5693 * alpha.h (EXTRA_SPECS): Add missing initializers.
5694 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
5697 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
5699 * flow.c (life_analysis_1): Enable "rescan" code after reload.
5700 (propagate_block): Delete dead code after reload.
5702 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
5703 back Oct 15, 1998 change.
5704 * haifa-sched.c (update_flow_info): Likewise.
5705 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
5707 * mn10200.md (truncated shift): Accept constant inputs too.
5709 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
5711 * machmode.h (mode_mask_array): No longer const.
5712 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
5714 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5716 * frame.c: Somewhat explain `FDE'.
5717 Suggested by Brendan Kehoe
5719 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5721 * expr.c (pending_chain): Move up.
5722 (save_expr_status): Do save pending_chain.
5723 (restore_expr_status): And restore it.
5724 * function.h (struct function): Add pending_chain.
5726 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5728 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
5729 did not match the code.
5731 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5733 * regclass.c (regclass): Break out some code into new function
5734 scan_one_insn, and into regclass_init.
5735 (init_cost): New static variable, moved out of regclass.
5736 (regclass_init): Initialize it here, not in .
5737 (scan_one_insn): New static function, broken out of regclass.
5738 * recog.c (apply_change_group): Break out some code into new
5739 function insn_invalid_p.
5740 (insn_invalid_p): New static fn, broken out of apply_change_group.
5742 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
5744 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
5745 reg_reloaded_contents matches incremented pseudo.
5747 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
5749 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5751 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
5752 addressing modes with side effects. These are currently
5753 placeholders for the C4x target.
5755 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5757 * loop.c (express_from): Make sure that when generating a PLUS of
5758 a PLUS, any constant expression appears on the outermost PLUS.
5760 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
5762 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
5763 works if "$(srcdir)" != ".".
5765 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
5767 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
5768 existing SUBREG if we can, otherwise abort.
5770 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
5772 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
5773 `restrict' is applied to a non-pointer variable.
5775 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
5777 * invoke.texi: Document -flang-isoc9x.
5779 * Makefile.in (OBJS): Add splay-tree.o.
5780 (c-common.o): Depend on rtl.h.
5781 (splay-tree.o): List dependencies and provide build rule.
5783 * rtl.h (record_alias_subset): New function.
5784 * alias.c: Include splay-tree.h.
5785 (alias_set_entry): New type.
5786 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
5787 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
5788 (mems_in_disjoin_alias_sets_p): New function.
5789 (alias_set_compare): Likewise.
5790 (insert_subset_children): Likewise.
5791 (get_alias_set_entry): Likewise.
5793 * tree.h (TYPE_RESTRICT): New macro.
5794 (TYPE_UNQUALIFIED): New manifest constant.
5795 (TYPE_QUAL_CONST): Likewise
5796 (TYPE_QUAL_VOLATILE): Likewise.
5797 (TYPE_QUAL_RESTRICT): Likewise.
5798 (tree_type): Add restrict_flag. Reduce count of free bits.
5799 (DECL_POINTER_ALIAS_SET): New macro.
5800 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
5801 (tree_decl): Add pointer_alias_set.
5802 (build_qualified_type): New function.
5803 (build_type_variant): Define in terms of build_qualified_type.
5804 * tree.c (set_type_quals): New function.
5805 (make_node): Initializae DECL_POINTER_ALIAS_SET.
5806 (build_type_attribute_variant): Use build_qualified_type and
5808 (build_type_variant): Rename, and modify, to become...
5809 (build_qualified_type): New function.
5810 (build_complex_type): Use set_type_quals.
5812 * c-tree.h (C_TYPE_OBJECT_P): New macro.
5813 (C_TYPE_FUNCTION_P): Likewise.
5814 (C_TYPE_INCOMPLETE_P): Likewise.
5815 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
5816 (c_apply_type_quals_to_decl): New function.
5817 (c_build_qualified_type): New function.
5818 (c_build_type_variant): Define in terms of c_build_qualified_type.
5819 (flag_isoc9x): Declare.
5820 * c-typeck.c (qualify_type): Use c_build_qualified_type.
5821 (common_type): Change to use TYPE_QUALS.
5822 (comptypes): Likewise.
5823 (convert_for_assignment): Likewise.
5824 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
5825 * c-decl.c (flag_isoc9x): Define.
5826 (c_decode_option): Handle -flang-isoc9x.
5827 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
5828 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
5829 * c-lex.c (init_lex): Deal with restrict.
5830 (init_lex): Don't treat restrict as a reserved word in
5831 -traditional mode, or without -flang-isoc9x.
5832 * c-lex.h (rid): Add RID_RESTRICT.
5833 * c-parse.gperf (restrict, __restrict, __restrict__): Make
5834 equivalent to RID_RESTRICT.
5835 * c-parse.in (TYPE_QUAL): Update comment.
5836 * c-common.c: Include rtl.h.
5837 (c_find_base_decl): New function.
5838 (c_build_type_variant): Rename, and modify, to become ...
5839 (c_build_qualified_type): New function.
5840 (c_apply_type_quals_to_decl): Likewise.
5841 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
5842 a particular alias set for the reference.
5843 * toplev.c (documented_lang_options): Add -flang-isoc9x.
5845 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
5847 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
5848 command line switches.
5850 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
5852 * reload.c (loc_mentioned_in_p): Add missing braces to bind
5855 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
5857 * gcc.c (option_map): Added --classpath and --CLASSPATH.
5859 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
5861 * regclass.c (fix_register): Add error message.
5862 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
5865 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5867 * c-decl.c (warn_missing_noreturn): New global variable.
5868 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
5869 (finish_function): Implement missing noreturn warning.
5871 * c-tree.h (warn_missing_noreturn): Declare extern.
5873 * invoke.texi: Document new flags.
5875 * toplev.c (documented_lang_options): Add description.
5877 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5879 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
5880 loop optimization stable for the C4x.
5881 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
5882 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
5883 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
5885 (c4x_address_conflict): Be more paranoid when packing a volatile
5886 memref in a parallel load/store.
5888 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5890 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
5891 repeat_block_filler): Deleted.
5892 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
5893 Condition code not set if destination register from 'c' class.
5894 (*subbqi3_carry_clobber): Fix typo.
5896 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5898 * reorg.c (steal_delay_list_from_target) Check for insns that
5899 modify the condition codes and effect the direction of the jump
5902 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
5904 * function.c (purge_addressof_1): Replace call to
5905 emit_insns_before() with emit_insn_before().
5907 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
5909 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
5911 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5913 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
5915 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
5917 * gcse.c (compute_hash_table): Correctly identify hard regs which are
5918 clobbered across calls.
5920 * loop.c (scan_loop): Be more selective about what invariants are
5921 moved out of a loop.
5923 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
5925 * version.c: Bump for snapshot.
5927 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
5929 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
5930 static eh_context structure.
5932 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5934 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
5936 (try_combine): Don't update max_scratch.
5937 * flow.c (max_scratch, num_scratch): Delete variables.
5938 (life_analysis_1): Don't initialize max_scratch.
5939 (propagate_block): Don't update max_scratch.
5940 (mark_set_1): Don't increment num_scratch.
5941 * regs.h (max_scratch): Delete declaration.
5943 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
5945 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
5946 is nonzero. This is temporary!
5948 * sched.c (update_flow_info): Handle death notes made invalid by
5949 instruction splitting. Partially reverts Oct 15, 1998 patch.
5950 * haifa-sched.c (update_flow_info): Likewise.
5952 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
5954 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
5955 if it has a nonzero DECL_INITIAL.
5957 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5959 * Makefile.in (flow.o): Depend on recog.h.
5961 * cpplib.h (directive_table): Add missing initializiers.
5962 (finclude): Change type of variable `bsize' to size_t.
5964 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
5966 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
5968 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
5969 `int' when comparing against one.
5970 (cpp_file_line_for_message): Mark parameter `pfile' with
5972 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
5974 * flow.c: Include recog.h.
5975 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
5977 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
5978 `f' with ATTRIBUTE_UNUSED.
5979 (reposition_prologue_and_epilogue_notes): Likewise.
5981 * genopinit.c (gen_insn): Cast argument of ctype functions to
5984 * haifa-sched.c: Include recog.h.
5985 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
5986 comparing against one.
5988 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
5990 * mips-tfile.c (parse_end): Cast the argument of ctype function to
5992 (parse_ent): Likewise.
5993 (parse_input): Likewise.
5995 * optabs.c (init_libfuncs): Likewise.
5997 * protoize.c (find_rightmost_formals_list): Likewise.
5999 * recog.h (const_double_operand): Fix typo in prototype.
6001 * tlink.c (scan_linker_output): Cast the argument of ctype
6002 function to `unsigned char'.
6004 * toplev.c (check_lang_option): Cast the result of `strlen' to
6005 `int' when comparing against one.
6007 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
6009 * gcse.c (dump_cuid_table): Correct typo.
6011 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
6013 * toplev.c (display_help): Prepend '-m' to target specific
6015 (check_lang_option): Ignore text after end of first word of a
6016 language specific option.
6018 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6020 * reload1.c (reg_used_by_pseudo): New static variable.
6021 (choose_reload_regs): Initialize it.
6022 Use it instead of testing spill_reg_order to determine whether a
6023 pseudo is live in a hard register across the current insn.
6024 Fix a typo in a reference to reload_reg_rtx.
6026 * flow.c (propagate_block): Replace code that computes and uses
6027 regs_sometimes_live with simpler code that just walks the set of
6028 currently live registers.
6030 * Makefile.in (insn-extract.o): Fix dependencies.
6031 * genextract.c (main): Generate includes for insn-config.h and
6033 Delete generation of declarations which are now in recog.h.
6034 * genrecog.c (main): Delete generation of definitions which are
6036 * local-alloc.c (block_alloc): Use extract_insn and the variables
6037 it sets up instead of looking up values by insn_code.
6038 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
6039 recog_dup_num): Define here instead of generating the definition in
6041 (recog_n_operands, recog_n_dups, recog_n_alternatives,
6042 recog_operand_mode, recog_constraints, recog_operand_address_p):
6044 (extract_insn): New function.
6045 * recog.h (extract_insn): Declare function.
6046 (which_alternative, recog_n_operands, recog_n_dups,
6047 recog_n_alternatives, recog_operand_mode, recog_constraints,
6048 recog_operand_address_p): Declare variables.
6049 * regclass.c (n_occurrences): New static function.
6050 * reload.c (n_occurrences): Delete function.
6051 (find_reloads): Use extract_insn.
6052 * reload.h (n_occurrences): Delete declaration.
6054 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
6056 * reload1.c (reload_as_needed): Fix test for when to call
6057 update_eliminable_offsets.
6059 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6061 Fix consistency problems with reg_equiv_{mem,address};
6062 Improve reload inheritance;
6064 * reload.c (reload_out_reg): New variable.
6065 (loc_mentioned_in_p, remove_address_replacements): New functions.
6066 (remove_replacements): Deleted.
6067 (push_reload): Set reload_out_reg[i].
6068 When merging, also set reload_{in,out}_reg[i], and remove
6069 duplicate address reloads.
6070 (combine_reloads): Copy reload_out_reg[i].
6071 (find_reloads): Do make_memloc substitution also when
6072 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
6074 Include *recog_operand_loc in commutativity operand changes.
6075 Generate optional output reloads.
6076 Delete reference to n_memlocs. Don't set *recog_operand_loc before
6077 processing operands. Call make_memloc in reg_equiv_address code.
6078 Set *recog_operand_loc only after processing operands, and only
6079 if replace is true. Return a value.
6080 When changing address reload types for operands that didn't get
6081 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
6082 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
6083 Don't emit USEs for pseudo SUBREGs when not replacing.
6084 (find_reloads_address): Do make_memloc substitution also when
6085 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
6087 (find_reloads_toplev): Likewise.
6088 Call make_memloc in reg_equiv_address code.
6089 (debug_reload_to_stream): Add code to output reload_out_reg.
6090 (make_memloc): Delete local variable i, ifdefed out code, and
6091 references to memlocs and n_memlocs.
6092 (memlocs, n_memlocs): Delete.
6093 (push_secondary_reload): Clear reload_out_reg.
6094 (find_reloads_address_1): Provide memrefloc argument to all calls
6095 to find_reloads_address.
6096 In AUTO_INC code, handle non-directly addressable equivalences properly.
6097 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
6098 (find_reloads): Add return type.
6099 (remove_address_replacements, deallocate_reload_reg): Declare.
6100 * reload1.c (num_not_at_initial_offset): No longer static.
6101 (delete_address_reloads, delete_address_reloads_1): Likewise.
6102 (deallocate_reload_reg): New function.
6103 (spill_reg_stored_to): New array.
6104 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
6105 (eliminate_regs_in_insn): Move assignments of previous_offset and
6106 max_offset fields, and recalculation of num_not_at_initial_offset
6107 into new static function:
6108 (update_eliminable_offsets) .
6109 (reload_as_needed): Call update_eliminable_offsetss after calling
6111 Call forget_old_reloads_1 with contents of reloaded auto_inc
6112 expressions if the actual addressing can't be changed to match the
6114 (choose_reload_regs): For inheritance, replace
6115 reload_reg_free_before_p test with reload_reg_used_at_all test, and
6116 remove stand-alone reload_reg_used_at_all test.
6117 Use reload_out_reg to determine which reload regs have output reloads.
6118 Treat reload_override_in more similar to inherited reloads.
6119 Handle (subreg (reg... for inheritance.
6120 For flag_expensive_optimizations, add an extra pass to remove
6121 unnecessary reloads from known working inheritance.
6122 Delete obsolete code for pseudos replaced with MEMs.
6123 Handle inheritance from auto_inc expressions.
6124 (emit_reload_insns): If reload_in is a MEM, set OLD to
6126 Don't reload directly from oldequiv; if it's a pseudo with a
6127 stack slot, use reload_in[j].
6128 Check that reload_in_reg[j] is a MEM before replacing reload_in
6129 from reg_reloaded_contents.
6130 Include non-spill registers in reload inheritance processing.
6131 Also try to use reload_out_reg to set spill_reg_store /
6132 reg_last_reload_reg.
6133 In code to set new_spill_reg_store, use single_set to find out if
6134 there is a single set.
6135 Add code that allows to delete optional output reloads.
6136 Add code to allow deletion of output reloads that use no spill reg.
6137 At the end, set reload_override_in to oldequiv.
6138 Also call delete_output_reload if reload_out_reg is equal to old
6140 Add code to call delete_output_reload for stores with no matching load.
6141 Set / use spill_reg_stored_to.
6142 Handle case where secondary output reload uses a temporary, but
6143 actual store isn't found.
6144 When looking for a store of a value not loaded in order to call
6145 delete_output_reload, count_occurences should return 0 for no
6146 loads; but discount inherited input reloadill_reg_stored_to.
6147 Do checks for extra uses of REG. Changed all
6149 Use delete_address_reloads.
6150 (reload): Take return value of find_reloads into account.
6151 If a no-op set needs more than one reload, delete it.
6152 (reload_reg_free_before_p): RELOAD_FOR_INPUT
6153 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
6154 for the same operand.
6155 (clear_reload_reg_in_use): Check for other reloads that keep a
6157 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
6158 RELOAD_FOR_OPADDR_ADDR.
6159 Take into account when an address address reload is only needed
6160 for the address reload we are considering.
6161 (count_occurrences): Use rtx_equal_p for MEMs.
6162 (inc_for_reload): Return instruction that stores into RELOADREG.
6163 New argument two, IN, and rtx. Changed all callers.
6164 (calculate_needs_all_insns, reload_as_needed):
6165 Don't clear after_call for a CLOBBER.
6166 Keep track of how many hard registers need to be copied from
6167 after_call, and don't clear after_call before we have seen
6168 that much copies, or we see a different instruction.
6170 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
6172 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
6173 after reload has completed.
6175 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
6177 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
6178 a macro name and the next token with a single blank if that whitespace
6179 is in a macro buffer and the next token is not '('.
6181 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
6183 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
6185 (skip_if_group): Ditto.
6186 (skip_to_end_of_comment): Ditto.
6188 (discard_comments): Ditto.
6189 (change_newlines): Ditto.
6191 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
6193 * c-lex.c (yylex): Fix unaligned access of wchar_t.
6195 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
6197 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
6198 (TARGET_OPTIONS): Add --help documentation.
6200 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6202 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
6204 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
6206 * fixinc/* Moved in from ../contrib directory in preparation
6207 for integrating it into the normal build process. In particular,
6208 fixinc/Makefile.in must be config-ed into the build directory
6209 as fixinc/Makefile. Proposed patches to ./Makefile.in and
6210 ./configure.in will be "in the mail" momentarily.
6212 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
6214 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
6215 accidently walk into the free list. Comment how that can happen.
6216 (invalidate): Fix indentation.
6218 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6219 Jeffrey A Law (law@cygnus.com)
6221 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
6222 reload. Never perform rescans of the insn chain after reload.
6223 (propagate_block): Do not delete insn or create new autoinc addressing
6226 * jump.c (jump_optimize): Unconditionally use the code that was
6227 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
6228 * reload1.c (reload): When reloading is finished, delete all
6229 REG_DEAD and REG_UNUSED notes.
6230 (emit_reload_insns): Delete all code that was conditional on
6231 PRESERVE_DEATH_INFO_REGNO_P.
6232 (no_longer_dead_regs): Delete variable.
6233 (reload_cse_delete_death_notes): Delete function.
6234 (reload_cse_no_longer_dead): Delete function.
6235 (reload_cse_regs_1): Delete all code to handle deletion of death
6237 (reload_cse_noop_set_p): Likewise.
6238 (reload_cse_simplify_set): Likewise.
6239 (reload_cse_simplify_operands): Likewise.
6240 (reload_cse_move2add): Likewise.
6241 * reorg.c (used_spill_regs): Delete declaration.
6242 (max_label_num_after_reload): Delete declaration.
6243 (find_dead_or_set_registers): Don't assume that spill regs are
6244 dead at a CODE_LABEL.
6245 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
6247 * sched.c (sched_analyze_insn): Likewise.
6248 (update_flow_info): Likewise.
6249 * haifa-sched.c (sched_analyze_insn): Likewise.
6250 (update_flow_info): Likewise.
6251 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
6252 * toplev.c (max_label_num_after_reload): Delete variable.
6253 (rest_of_compilation): Don't set max_label_num_after_reload.
6254 Call life_analysis after reload_cse_regs if optimizing.
6255 * config/gmicro/gmicro.h: Delete comment referring to
6256 PRESERVE_DEATH_INFO_REGNO_P.
6257 * config/i386/i386.h: Likewise.
6258 * config/m88k/m88k.h: Likewise.
6259 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
6260 * config/sh/sh.h: Likewise.
6262 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
6264 * loop.c (strength_reduce): Restore marking bct_p as
6266 * rs6000.c (optimization_options): Change #ifdef HAIFA to
6267 HAVE_decrement_and_branch_on_count.
6268 (small_data_operand): Remove TARGET_ELF condition for marking
6269 parameters ATTRIBUTE_UNUSED.
6271 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
6273 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
6274 (SELECT_SECTION): Resync with svr4.h.
6276 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
6278 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
6281 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
6283 * c-pragma.c (handle_pragma_token): Test for null tree before
6284 dereferencing TREE_CODE.
6286 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6288 * config/c4x/c4x.c: Convert to use GEN_INT.
6289 (c4x_parallel_process): Rework to handle new repeat loop structure.
6291 * config/c4x/c4x.md: Convert to use GEN_INT.
6292 (rptb_end): Convert to use GE test. Replace uses with clobbers.
6293 (decrement_and_branch_on_count): Likewise.
6295 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
6296 loop.c has the desired functionality.
6297 (rc_reg_operand): New prototype.
6299 * config/c4x/t-c4x: Can now build all front ends.
6301 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
6303 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
6305 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
6307 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
6308 * config/t-rtems: Do not install assert.h -- use newlib's.
6310 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6312 * combine.c (combine_instructions): When finished, call init_recog.
6313 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
6315 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
6317 * toplev.c: If flag_syntax_only, don't open or write assembler file.
6319 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6321 * cppalloc.c (memory_full): Mark function prototype with
6324 * demangle.h (collect_exit): Likewise.
6326 * fix-header.c (v_fatal, fatal): Likewise.
6328 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
6331 * gcov.c (print_usage): Likewise.
6333 * genattr.c (fatal, fancy_abort): Likewise.
6335 * genattrtab.c (fatal, fancy_abort): Likewise.
6337 * gencodes.c (fatal, fancy_abort): Likewise.
6339 * genconfig.c (fatal, fancy_abort): Likewise.
6341 * genemit.c (fatal, fancy_abort): Likewise.
6343 * genextract.c (fatal, fancy_abort): Likewise.
6345 * genflags.c (fatal, fancy_abort): Likewise.
6347 * genopinit.c (fatal, fancy_abort): Likewise.
6349 * genoutput.c (fatal, fancy_abort): Likewise.
6351 * genpeep.c (fatal, fancy_abort): Likewise.
6353 * genrecog.c (fatal, fancy_abort): Likewise.
6355 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
6356 __sjpopnthrow, __throw): Likewise.
6358 * objc/objc-act.c (objc_fatal): Likewise.
6360 * protoize.c (usage, aux_info_corrupted,
6361 declare_source_confusing): Likewise.
6363 * rtl.c (dump_and_abort): Likewise.
6365 * rtl.h (sets_cc0_p): Likewise.
6367 * toplev.c (float_signal, pipe_closed): Likewise.
6369 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6371 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
6372 when generating the decision tree for the general case.
6374 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
6375 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
6377 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6379 * Makefile.in (sched.o): Depend on recog.h.
6381 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
6382 (unsigned) when comparing against one.
6383 (find_base_value): Likewise.
6384 (record_base_value): Cast variable `regno' to (unsigned) when
6385 comparing against one. Cast the result of REGNO() macro to
6386 (unsigned) when comparing against one.
6387 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
6389 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
6390 variable where an unsigned index is needed.
6392 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
6393 before comparing against one.
6395 * collect2.c: Add prototypes for functions `error', `fatal' and
6396 `fatal_perror'. Make these functions take variable arguments
6397 instead of faking it with a fixed number of args.
6398 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
6401 * combine.c (can_combine_p): Mark parameter `pred' with
6403 (find_split_point): Cast variable `src' to (unsigned
6404 HOST_WIDE_INT) when comparing against one.
6405 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
6406 (simplify_logical): Likewise.
6407 (force_to_mode): Cast result of INTVAL() macro to (unsigned
6408 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
6409 HOST_WIDE_INT) in shift.
6410 (simplify_and_const_int): Cast result of INTVAL() macro to
6411 `unsigned HOST_WIDE_INT' when comparing against one.
6412 (merge_outer_ops): Cast variable const0 to `unsigned
6413 HOST_WIDE_INT' when comparing against the result of
6414 GET_MODE_MASK() macro.
6415 (simplify_comparison): Likewise for variable `c0'. Cast variable
6416 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
6417 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
6418 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
6419 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
6420 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
6421 comparing against one.
6422 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
6424 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
6425 macro to `unsigned HOST_WIDE_INT' when comparing against one.
6426 (output_block_move): Cast `sizeof' expression to (int) when
6427 comparing against one.
6428 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
6430 (save_restore_insns): Cast `base_offset' to `long' to match format
6431 specifier in fprintf.
6433 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
6434 to `enum machine_mode'.
6436 * flow.c (life_analysis_1): Remove unused variable `insn'.
6438 * gcc.c (translate_options): Move variables `j' and `k' into the
6439 scope in which they are used. Change their types to `size_t'.
6440 (set_spec): Cast the argument of ctype macro to `unsigned char'.
6441 (read_specs): Likewise.
6442 (process_command): Cast `sizeof' to (int) when comparing against one.
6443 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
6444 (handle_braces): Cast both sides of `==' expression to `long' to
6445 ensure sign matching.
6446 (main): Cast variable `i' to `int' when comparing against one.
6448 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
6449 int to size_t. Cast variable `i' to size_t when comparing against
6452 * genattrtab.c (convert_set_attr_alternative): Remove unused
6453 parameter `insn_code'. All callers changed.
6454 (convert_set_attr): Likewise.
6456 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
6457 size_t when comparing against one. Likewise for variable `len'.
6459 * global.c (global_alloc): Cast variable `max_regno' to size_t
6460 when comparing against one. Likewise for variable `max_allocno'.
6462 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
6464 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
6465 `set' with ATTRIBUTE_UNUSED.
6466 (find_free_reg): Cast `sizeof' expression to (int) when comparing
6469 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
6470 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
6471 (get_condition): Cast variable `const_val' to `unsigned
6472 HOST_WIDE_INT' when comparing against one. Cast unsigned
6473 expression to HOST_WIDE_INT when comparing against one.
6474 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
6475 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
6476 `unsigned' when comparing against one.
6478 * protoize.c (is_id_char): Change type of parameter `ch' to
6480 (munge_compile_params): Cast argument of ctype macro to (const
6482 (process_aux_info_file): Cast variable `aux_info_size' to int when
6483 comparing against one.
6484 (forward_to_next_token_char): Cast argument of ctype macro to
6485 `const unsigned char'.
6486 (edit_formals_lists): Likewise.
6487 (find_rightmost_formals_list): Likewise.
6488 (add_local_decl): Likewise.
6489 (add_global_decls): Likewise.
6490 (edit_fn_definition): Likewise.
6491 (do_cleaning): Likewise.
6492 (scan_for_missed_items): Likewise.
6493 (edit_file): Cast variable `orig_size' to (int) when comparing
6495 (main): Cast argument of ctype macro to `const unsigned char'.
6497 * recog.c (const_int_operand): Mark parameter `mode' with
6500 * regclass.c (record_reg_classes): Change type of variable `c' to
6501 `unsigned char'. Cast `char' array index to `unsigned char'.
6503 * reload.c (push_secondary_reload): Cast argument to
6504 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
6506 * reload1.c (calculate_needs): Cast `char' array index to
6508 (set_label_offsets): Change type of variable `i' to unsigned int.
6509 Cast result of XVECLEN() macro to unsigned when comparing against
6511 (mark_not_eliminable): Change type of variable `i' to unsigned.
6512 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
6513 when comparing against one.
6514 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
6515 comparing against one.
6516 (choose_reload_regs): Hide unused label `fail'.
6517 (reload_cse_simplify_operands): Cast `char' array index to
6519 (reload_combine_note_store): Mark parameter `set' with
6520 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
6522 (reload_cse_move2add): Remove unused variable `src2'.
6524 * sched.c: Include recog.h.
6525 (sched_note_set): Remove unused parameter `b'. All callers
6527 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
6528 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
6529 when comparing against one.
6531 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
6532 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
6533 comparing against one.
6535 * unroll.c (precondition_loop_p): Remove unused parameter
6536 `loop_end'. All callers changed.
6538 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6540 * reload1.c (maybe_fix_stack_asms): New static function.
6543 * reload.h (compute_use_by_pseudos): Declare.
6545 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
6546 (something_needs_reloads): Delete variable.
6547 (finish_spills): New function.
6548 (compute_use_by_pseudos): New function.
6550 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
6551 Use the reload_insn_chain instead of walking the rtl directly.
6553 (reload): Allocate and free spilled_pseudos.
6554 Ensure that all calls of spill_hard_reg are followed by a call to
6556 Use the insns_need_reload list instead of something_needs_reloads
6557 to find out if reload_as_needed must be called.
6558 Clear unused_insn_chains at the end.
6560 (calculate_needs_all_insns): Lose FIRST parameter. All callers
6562 Delete code to keep track of current basic block.
6563 Walk reload_insn_chain instead of the rtl structure. Build the
6564 insns_need_reload chain.
6565 Remember which insns need reloading/elimination by setting the
6566 appropriate fields in struct insn_chain, not by putting modes on the
6569 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
6570 arg INSN. All callers changed.
6571 Delete declaration of struct needs.
6572 Don't set something_needs_reloads.
6573 Record insn needs in the CHAIN argument.
6575 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
6577 (reload_as_needed): Lose FIRST arg. All callers changed.
6578 Walk the reload_insn_chain instead of the rtx structure.
6579 Delete code to keep track of current basic block.
6580 Rename one of the NEXT variables to OLD_NEXT.
6582 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
6584 (choose_reload_regs): Likewise.
6586 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
6589 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
6590 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
6591 (hard_regs_live, hard_regs_need_restore): Delete variables.
6592 (n_regs_saved): Now static.
6593 (referenced_regs, this_insn_sets): New variables.
6595 (setup_save_areas): Restructure the code a bit.
6597 (restore_referenced_regs): Delete function.
6598 (mark_referenced_regs): New function, similar to the old
6599 restore_referenced_regs, but mark registers in referenced_regs.
6601 (clear_reg_live): Delete function.
6602 (mark_set_regs): Renamed from set_reg_live. All callers changed.
6603 Only mark registers in this_insn_sets.
6605 (save_call_clobbered_regs): Rework this function to walk the
6606 reload_insn_chain instead of using the list of instructions directly.
6607 Delete code to keep track of register lives, compute live regs on the
6608 fly from information in the chain.
6609 Instead of calling restore_referenced_regs, use mark_referenced_regs,
6610 then walk the set it computes and call insert_restore as appropriate.
6612 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
6614 Restructure the code a bit. Test hard_regs_saved instead of
6615 hard_regs_need_restore.
6616 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
6617 args. All callers changed.
6618 Restructure the code a bit. Use TO_SAVE to determine which regs to
6619 save instead of more complicated test.
6620 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
6622 Create a new insn_chain structure for the new insn and place it
6625 * rtl.texi: Update documentation to reflect that reload no longer
6626 puts modes on the insns.
6628 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6630 * function.c (purge_addressof_1): Force the first argument of a
6631 CALL insn to memory.
6633 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
6635 * rtl.h: Delete duplicate prototypes. Add some missing
6637 * rtlanal.c: (for_each_rtx): Formatting tweak.
6639 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6641 * real.c (emdnorm and etoasc): Disable round to even for c4x target
6642 to be compatible with TI compiler.
6644 * Makefile.in (USER_H): Add va-c4x.h to definition.
6646 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
6648 * function.c (purge_addressof_1): Fix typo in inequality: do
6649 bitfield optimization for equal mode sizes.
6650 * expmed.c (store_bit_field): Don't take subregs of subregs in
6651 the movstrict case. Tidy a potential problem in the multi-word case.
6652 (extract_bit_field): Likewise.
6654 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6656 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
6658 Compute max_uid_for_flow by calling get_max_uid after the scan.
6659 (find_basic_blocks_1): Don't emit NOPs here.
6661 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
6663 * alias.c (base_alias_check): Accept new args for the modes of the
6664 two references. Use them to determine if an AND can overlap. Update
6666 (memrefs_conflict_p): Assume sizes are aligned, and uses them
6667 to determine if an AND can overlap.
6669 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
6671 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
6672 check. Add comment to document problems with TARGET_SUN_FPA version
6674 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
6676 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6678 * Makefile.in (gencheck.o): Depend on gansidecl.h.
6680 * c-common.c (print_char_table): Add missing initializers.
6681 (scan_char_table): Likewise.
6682 (time_char_table): Likewise.
6684 * c-decl.c (c_decode_option): Mark parameter `argc' with
6686 (declare_parm_level): Mark parameter `definition_flag' with
6689 * c-lex.c (readescape): Use `(unsigned)1' in shift.
6690 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
6693 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
6695 (emit_call_1): Mark parameters `fndecl' and `funtype' with
6697 (expand_call): Cast result of MIN() to (unsigned int) when
6698 comparing against an unsigned value.
6700 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
6702 (make_definition): Remove unused parameter `op'. All callers
6704 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
6705 comparing against the result of pointer arithmetic.
6707 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
6708 when comparing against one.
6710 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
6711 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
6713 (output_die): Move variable `i' into the scope in which it is
6714 used. Change its type to `unsigned'.
6715 (output_die): Cast the result of `strlen' to (int) when passing it
6716 to ASM_OUTPUT_ASCII().
6717 (output_pubnames): Likewise.
6718 (output_line_info): Likewise.
6720 * emit-rtl.c (global_rtl): Add missing initializers.
6722 * explow.c (promote_mode): Mark parameter `for_call' with
6725 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
6726 `unsigned HOST_WIDE_INT' when comparing against one.
6727 (synth_mult): Change type of variable `cost' to int.
6728 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
6730 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
6731 when comparing against one.
6732 (get_inner_reference): Change variable `alignment' to unsigned.
6733 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
6734 int) when comparing against one.
6735 (expand_builtin_setjmp): Change type of variable `i' to size_t.
6737 * fold-const.c (div_and_round_double): Cast BASE to
6738 (HOST_WIDE_INT) when comparing against one.
6740 * gencheck.c: Include gansidecl.h.
6741 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
6743 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
6744 `tcode' with ATTRIBUTE_UNUSED.
6746 * real.c (edivm): Cast constant value to (unsigned long) in
6747 expression compared against an unsigned value.
6749 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
6750 comparing against one.
6751 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
6752 when comparing against one.
6754 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
6755 (unsigned int) when comparing against one. Likewise for
6757 (smallest_mode_for_size): Likewise.
6758 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
6759 (restore_storage_status): Likewise.
6761 * toplev.c (debug_args): Add missing initializer.
6762 (f_options): Spelling correction. Add missing initializers.
6763 (documented_lang_options): Likewise.
6764 (debug_end_source_file): Mark parameter `lineno' with
6767 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
6768 `decl' and `type' with ATTRIBUTE_UNUSED.
6770 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
6771 when comparing against one.
6772 (assemble_variable): Mark parameter `top_level' with
6774 (assemble_external_libcall): Mark parameter `fun' with
6776 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
6779 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
6781 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
6782 Replace use of r5 with use of r19.
6784 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
6786 * config/v850/v850.c (compute_register_save_size): Allow for the
6787 fact that helper functions save all registers, not just those used
6790 Replace constant 31 with macro LINK_POINTER_REGNUM.
6792 * config/v850/v850.md: Use 'indirect_operand' rather than
6793 'memory_operand' for bit test/set/clear patterns.
6795 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
6797 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
6798 * varasm.c (assemble_start_function et al): Don't call
6799 ASM_GLOBALIZE_LABEL for weak symbols.
6801 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
6803 * cse.c (equiv_constant): Check for NULL return from
6804 gen_lowpart_if_possible().
6806 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
6808 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
6810 * collect2.c (main): Pass -EL/-EB through to the compiler.
6812 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6814 * expr.c (push_block): Handle targets where the stack grows
6815 to higher addresses, but args grow to lower addresses and
6816 ACCUMULATE_OUTGOING_ARGS is not defined.
6818 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
6820 * config/v850/v850.c (print_operand): Extend meaning
6821 of 'c' operands to support .vtinherit.
6823 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6825 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
6826 Added ATTRIBUTE_UNUSED to unused function arguments.
6827 (rc_reg_operand): New predicate.
6828 (c4x_rptb_insert): New function.
6829 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
6830 (c4x_optimization_options): New function.
6832 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
6833 (decrement_and_branch_on_count): New pattern.
6834 (rptb_top): Modified pattern to work with BCT optimization.
6836 * config/c4x/c4x.h (RC_REG): New register class.
6837 (rc_reg_operand): Define prototype.
6838 (IS_RC_REG): New macro.
6839 (IS_RC_OR_PSEUDO_REG): New macro.
6840 (IS_RC_OR_PSEUDO_REGNO): New macro.
6841 (OPTIMIZATION_OPTIONS): Define.
6843 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
6845 * collect2.c (extract_init_priority): No priority is 65535.
6847 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6849 * Makefile.in (build_tooldir): new variable, same as old
6850 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
6851 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
6852 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
6854 * configure.in (gxx_include_dir): set default based on unlibsubdir
6855 * Makefile.in (tooldir): ditto
6856 (cccp.o, cpplib.o): use unlibsubdir implicitly through
6857 gxx_include_dir, includedir and tooldir
6858 (protoize.o, unprotoize.o): ditto
6860 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
6862 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
6864 * config/arm/thumb.c (thumb_override_options): Add warning about
6865 PIC code not being supported just yet.
6867 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
6869 * flow.c: Update comment.
6870 (notice_stack_pointer_modification): New static function.
6871 (record_volatile_insns): Use it.
6872 (mark_regs_live_at_end): Mark the stack pointer as alive
6873 at the end of the function if current_function_sp_is_unchanging
6875 (life_analysis_1): Set current_function_sp_is_unchanging.
6876 * function.c: Define it.
6877 (init_function_start): Initialize it.
6878 * output.h: Declare it.
6879 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
6880 the stack pointer as alive at the end of the function if
6881 current_function_sp_is_unchanging is set.
6882 * i386.c (ix86_epilogue): Optimize the restoring
6883 of the stack pointer.
6885 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
6887 * version.c: Bump for snapshot.
6889 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
6891 * c-pragma.c (handle_pragma_token): If passed a token instead
6892 of a tree, use that as the pack value.
6894 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
6896 * flow.c (find_basic_blocks_1): Fix prototype.
6898 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
6900 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
6901 (struct tree_decl): New fields no_check_memory_usage.
6902 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
6903 (init_attributes): Register it as a new attribute.
6904 (decl_attributes): Set flags on functions given that attribute.
6905 * c-decl.c (duplicate_decls): Merge new attribute.
6906 * expr.h (current_function_check_memory_usage): Declare new var.
6907 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
6908 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
6909 current_function_check_memory_usage.
6910 * function.h: Add field to struct function.
6911 * function.c (current_function_check_memory_usage): Define it.
6912 (push_function_context_to, pop_function_context_from): Save and
6914 (expand_function_start): Set it, based on global flag and function
6917 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
6918 check non-automatic variables, to permit detection of writes to
6919 read-only locations in embedded systems without memory management.
6920 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
6921 when emitting chkr_set_right_libfunc call, even if the argument is
6922 BLKmode or variable-sized; don't abort.
6924 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
6925 symbols in Pmode, not VOIDmode.
6927 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6929 * cppexp.c: When forcing unsigned comparisons, cast both sides
6932 * cpphash.h: Move static declaration of hashtab[]...
6933 * cpphash.c: ...here.
6935 * cpplib.c: Cast difference of two pointers to size_t before
6936 comparing it to size_t. Cast signed to unsigned
6937 before comparing to size_t. (FIXME: struct argdata should use
6938 unsigned buffer sizes.)
6939 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
6940 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
6941 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
6942 size_t before comparison.
6944 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
6946 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
6947 (find_basic_blocks_1): Similarly.
6948 * output.h (find_basic_blocks): Fix prototype.
6949 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
6950 find_basic_blocks anymore.
6952 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
6954 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
6955 (sbitmap_free, sbitmap_vector_free): New macros.
6956 * output.h (rtl_dump_file): Declare.
6958 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
6960 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
6962 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6964 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
6966 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
6967 (divide): Remove unused variable `tmp'.
6968 (si_to_float): Cast numeric constant to (SItype) before comparing
6971 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
6973 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
6974 * gcc.c (add_preprocessor_option): Correct typo when allocating
6975 memory, sizeof() argument had one too many `*'.
6976 (add_assembler_option): Likewise.
6977 (add_linker_option): Likewise.
6978 * gcov.c (output_data): Likewise.
6979 * local-alloc.c (memref_used_between_p): Likewise.
6980 (update_equiv_regs): Likewise.
6981 * loop.c (strength_reduce): Likewise.
6982 * reg-stack.c (record_asm_reg_life): Likewise.
6983 (subst_asm_stack_reg): Likewise.
6984 * reorg.c (dbr_schedule): Likewise.
6986 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6988 * flow.c (life_analysis_1): Break out some functions.
6989 (find_basic_blocks_1): Likewise. Also move some variables out and
6991 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
6992 new static var nonlocal_label_list with it.
6993 (active_eh_region, nested_eh_region, label_value_list,
6994 nonlocal_label_list): New static variables.
6995 (make_edges, delete_unreachable_blocks, delete_block): New static
6996 functions, broken out of find_basic_blocks_1.
6997 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
6998 noop_move_p): New static functions, broken out of life_analysis_1.
7000 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
7002 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
7003 Take extra care for op0 now possibly being a subreg.
7004 (extract_bit_field): Likewise.
7005 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
7006 the reg to memory if there is no equal sized integral mode.
7007 * stor-layout.c (int_mode_for_mode): New function.
7008 * machmode.h: Prototype it.
7010 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
7012 * global.c (build_insn_chain): Verify no real insns exist past the
7013 end of the last basic block, then exit the loop.
7015 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
7017 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
7019 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
7021 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
7023 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
7025 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
7027 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
7029 * flow.c (find_basic_blocks): Correctly determine when a call
7030 is within an exception region.
7032 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
7034 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
7036 * cpplib.h: Protect from multiple inclusions.
7037 * cpplib.c: Fix minor formatting problems.
7039 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
7041 * jump.c (jump_optimize): Revert accidental patch.
7043 * Makefile.in (cpplib.o): Use unlibsubdir.
7045 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
7047 * loop.c (get_condition): Allow combine when either compare is
7050 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
7052 * version.c: Bump for snapshot.
7054 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
7056 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
7057 (init_lex): Initialize ridpointers[RID_BYREF].
7058 * c-lex.h (enum rid): Add RID_BYREF.
7059 * c-parse.gperf: Add RID_BYREF as a type qualifier.
7060 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
7061 (encode_type_qualifiers): Similarly
7062 * c-gperf.h: Rebuilt.
7064 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
7066 * c-common.c (type_for_mode): Only return TItype nodes when
7067 HOST_BITS_PER_WIDE_INT is >= 64 bits.
7068 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
7069 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
7070 (init_decl_processing): Only create TItype nodes when
7071 HOST_BITS_PER_WIDE_INT is >= 64 bits.
7072 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
7073 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
7075 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7077 * stmt.c (n_occurrences): New static function.
7078 (expand_asm_operands): Verify that all constrains match in the
7079 number of alternatives.
7080 Verify that '+' or '=' are at the beginning of an output constraint.
7081 Don't allow '&' for input operands.
7082 Verify that '%' isn't written for the last operand.
7083 * reload.c (find_reloads): Abort if an asm is found with invalid
7084 constraints; all possible problems ought to be checked for earlier.
7086 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7088 * flags.h (flag_branch_on_count_reg): Always declare
7089 * toplev.c (flag_branch_on_count_reg): Likewise.
7090 * toplev.c: Fix typos.
7092 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
7095 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
7097 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
7099 (find_basic_blocks_1): Add a nop to the end of a basic block when
7100 a trailing call insn does not have abnormal control flow.
7101 * gcse.c (pre_transpout): New variable.
7102 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
7103 (compute_pre_transpout): Calculate it.
7104 (compute_pre_ppinout): Use it to eliminate impossible placements
7105 due to abnormal control flow through calls.
7106 (compute_pre_data): Call compute_pre_transpout.
7108 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7110 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
7112 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
7114 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
7115 and matching define_insns): Tack on a `use' of the table label, so
7116 flow analysis will recognize a tablejump.
7118 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
7120 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
7121 always end basic blocks for abnormal edge reasons.
7123 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
7125 * config/i386/i386.h: Remove definition of
7126 HANDLE_PRAGMA_PACK_PUSH_POP.
7128 * config/i386/go32.h: Add definition of
7129 HANDLE_PRAGMA_PACK_PUSH_POP.
7131 * config/i386/win32.h: Add definition of
7132 HANDLE_PRAGMA_PACK_PUSH_POP.
7134 * config/i386/cygwin32.h: Add definition of
7135 HANDLE_PRAGMA_PACK_PUSH_POP.
7137 * c-pragma.c (insert_pack_attributes): Do not insert
7138 attributes unless #pragma pack(push,<n>) is in effect.
7140 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
7142 * expr.c (emit_group_store): Handle a PARALLEL destination.
7144 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
7146 * gcse.c (pre_insert_insn): When a call ends a bb, insert
7147 the new insns before the argument regs are loaded.
7149 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7151 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
7152 (c-parse.gperf): Update comments describing invocation flags.
7153 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
7155 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
7157 * reload1.c (reload): Call free before clobbering the memory
7158 locations or constants pointers.
7160 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7162 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
7163 for efficiency by checking whether we need to modify the current
7164 stack permission at all.
7165 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
7166 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
7167 __enable_execute_stack libcall here too if
7168 TRANSFER_FROM_TRAMPOLINE is defined.
7169 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
7172 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
7174 * Makefile.in (DRIVER_DEFINES): Remove last change.
7176 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7178 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
7179 insns we're going to copy.
7180 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
7182 * loop.c (count_one_set): Add prototype.
7184 * caller-save.c (restore_referenced_regs): Lose mode argument.
7185 (insert_save): Lose mode argument.
7186 (insert_restore): Lose mode argument.
7187 (insert_one_insn): Lose mode argument.
7188 (save_call_clobbered_regs): Lose mode argument.
7189 (setup_save_areas): Take no argument and return void. All callers
7191 Don't verify validity of memory addresses.
7192 * reload.h (setup_save_ares): Adjust prototype.
7193 (save_call_clobbered_regs): Likewise.
7194 * reload1.c (delete_caller_save_insns): New function.
7195 (caller_save_spill_class): Delete variable.
7196 (caller_save_group_size): Delete variable.
7197 (reload): Call setup_save_areas and save_call_clobbered_regs
7198 in the main loop, before calling calculate_needs_all_insns.
7199 Don't call save_call_clobbered_regs after the loop.
7200 Call delete_caller_save_insns at the end of an iteration if
7202 Delete code to manage caller_save_spill_class.
7203 Emit the final note before setting reload_first_uid.
7204 Simplify test that determines whether reload_as_needed gets run.
7205 (calculate_needs): Delete code to manage caller_save_spill_class.
7207 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
7209 * collect2.c (main): Initialize ld_file_name.
7211 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
7213 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
7214 check for flag_function_sections.
7216 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7218 * cse.c (insert_regs): Fix bug in Sep 24 change.
7220 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7222 * flags.h (flag_dump_unnumbered): Declare.
7223 * toplev.c (flag_dump_unnumbered): Don't declare.
7224 * print-rtl.c (flags.h): Include.
7225 (print_rtl_single): Add return value.
7226 * rtl.h (print_rtl_single): Update declaration.
7227 * flow.c (flag_dump_unnumbered): Don't declare.
7228 (print_rtl_with_bb): Use return value of print_rtl_single.
7230 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7232 * loop.c (count_one_set): New static function, broken out of
7234 (count_loop_regs_set): Call it.
7235 * global.c (mark_reg_store): Handle clobbers here by not calling
7237 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
7238 is in fact a clobber.
7239 * integrate.c (process_reg_param): New function, broken out of
7240 expand_inline_function.
7241 (expand_inline_function): Call it.
7244 * i386.md (addsidi3_1): Delete unused variable temp.
7245 (addsidi3_2): Likewise.
7246 (clstrstrsi): Delete unused variable addr1.
7248 * rtl.h: Don't declare any functions also declared in recog.h.
7250 * Makefile.in (stupid.o): Update dependencies.
7251 (global.o): Likewise.
7253 * global.c: Include reload.h
7254 (reg_becomes_live): New function.
7255 (reg_dies): New function.
7256 (build_insn_chain): New function.
7257 (global_alloc): Call build_insn_chain before calling reload.
7259 * reload.h (struct needs): New structure definition.
7260 (struct insn_chain): Likewise.
7261 (reload_insn_chain): Declare variable.
7262 (new_insn_chain): Declare function.
7265 * reload1.c (reload_startobj): New variable.
7266 (reload_insn_chain): New variable.
7267 (unused_insn_chains): New variable.
7268 (new_insn_chain): New function.
7269 (init_reload): Initialize reload_startobj, not reload_firstobj.
7270 (reload): Initialize reload_firstobj.
7271 Before returning, free everything on the reload_obstack.
7273 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
7274 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
7275 current_chain): New variables.
7276 (reg_where_born): Delete variable.
7277 (REG_WHERE_BORN): New macro.
7278 (find_clobbered_regs): New function.
7279 (stupid_life_analysis): Don't allocate/free reg_where_born.
7280 Allocate and free reg_where_born_exact, reg_where_born_clobber,
7281 reg_where_dead_chain.
7282 Use REG_WHERE_BORN instead of reg_where_born.
7283 While processing the insns, build the reload_insn_chain with
7284 information about register lifetimes.
7285 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
7286 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
7288 Compute and information about birth and death of pseudo registers in
7289 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
7290 Delete code to set elements of reg_where_born.
7292 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7294 * tree.def (GOTO_EXPR): Modified documentation.
7295 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
7298 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
7300 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
7301 loop_final_value, loop_comparison_code): No longer static.
7302 (unroll_loop): Delete loop_start_value update.
7303 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
7304 loop_final_value, loop_comparison_code): Extern.
7305 (loop_start_value): Delete extern.
7306 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
7307 loop_comparison_value, loop_comparison_code): Delete.
7308 (loop_optimize): Remove initialization for deleted variables.
7309 (strength_reduce): Delete analyze_loop_iterations call. Only call
7310 insert_bct if flag_branch_count_on_reg set.
7311 (analyze_loop_iterations): Delete.
7312 (insert_bct): Remove iteration count calculation. Move checks for
7313 viable BCT optimization to here. Obtain iteration count from
7314 loop_iterations and correct for unrolling. Check for enough
7315 iteration to be beneficial. Comment out runtime iteration count
7317 (insert_bct): Print iteration count in dump file. Remove
7318 loop_var_mode and use word_mode directly.
7320 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
7321 * rs6000.c (rs6000_override_options): Use it.
7322 (optimization_options): Enable use of flag_branch_on_count_reg.
7323 * rs6000.md (define_function_unit): Describe 604e.
7325 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7327 * loop.c (move_movables): Corrected threshold calculation for
7328 moved_once registers.
7330 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7332 * loop.c (combine_givs_p): Fix test for identical givs.
7334 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
7336 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
7337 call abort if the function is already defined.
7339 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
7341 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
7342 truncation is not a no-op.
7344 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
7346 * version.c: Bump for snapshot.
7348 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
7350 * version.c: Bump for snapshot.
7352 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
7354 * expmed.c (expand_divmod): Don't widen for computing remainder
7355 if we seem to have a divmod pattern for needed mode.
7357 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7359 * cpplib.c (macroexpand): Correct off-by-one error in handling
7362 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
7364 * combine.c (expand_field_assignment): Don't do bitwise operations
7365 on MODE_FLOAT; pun to MODE_INT if possible.
7367 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
7368 scott snyder <snyder@d0sgif.fnal.gov>
7370 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
7371 linker. Recognize mangled names in quotes.
7373 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7375 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
7376 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
7377 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
7378 (lshrsi3_extend, lshrsi3_extend2): Ditto.
7380 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7382 * function.c (purge_addressof_1): If trying to take a sub-word
7383 integral piece of a floating point mode, put it on the stack.
7385 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
7387 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
7389 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7391 * PROJECTS: Remove template friends.
7393 * collect2.c (sort_ids): Remove unused variable.
7395 * tm.texi (MATH_LIBRARY): Document.
7396 (NEED_MATH_LIBRARY): Remove.
7398 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
7399 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
7401 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
7403 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
7404 last_end to 0x7fffffff.
7406 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7408 * function.c (purge_addressof_1): Do not perform endianness
7409 corrections on bitpos, who we call will do it for us.
7411 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
7413 * h8300.c (WORD_REG_USED): Fix typo.
7414 (initial_offset): Use WORD_REG_USED.
7416 * h8300.c (handle_pragma): Fix typo.
7418 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7420 * caller-save.c (insert_save_restore): Break this function up
7421 into new functions insert_restore, insert_save and insert_one_insn.
7422 All callers changed.
7423 (insert_restore): New function, mostly broken out of
7424 insert_save_restore.
7425 (insert_save): Likewise.
7426 (insert_one_insn): Likewise.
7427 (restore_referenced_regs): New argument BLOCK. All callers changed.
7428 (save_call_clobbered_regs): Don't keep track of basic block boundaries
7429 in this function, do it in insert_one_insn instead.
7431 * reload1.c (reload): Break out some more pieces into separate
7433 (dump_needs): New function, broken out of reload.
7434 (set_initial_elim_offsets): Likewise.
7435 (init_elim_table): Likewise.
7436 (update_eliminables): Likewise.
7438 * global.c (global_alloc): Delete code to manage the scratch_list.
7439 * local-alloc.c (qty_scratch_rtx): Delete.
7440 (scratch_block): Delete.
7441 (scratch_list): Delete.
7442 (scratch_list_length): Delete.
7443 (scratch_index): Delete.
7444 (alloc_qty_for_scratch): Delete.
7445 (local-alloc): Update initialization of max_qty.
7446 Delete code to manage the scratch list.
7447 Delete code to allocate/initialize qty_scratch_rtx.
7448 (block_alloc): Don't allocate quantities for scratches.
7449 Delete code to manage the scratch list.
7450 * regs.h (scratch_list): Delete declaration.
7451 (scratch_block): Delete declaration.
7452 (scratch_list_length): Delete declaration.
7453 * reload1.c (reload): Delete code to manage the scratch list.
7454 (spill_hard_reg): Likewise.
7455 (mark_scratch_live): Delete.
7457 * recog.c (alter_subreg): Delete declaration.
7459 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
7461 * Makefile.in (cccp.o): Fix typo in last patch.
7463 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7465 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
7466 * config/sh/lib1funcs.asm (___set_fpscr): Add.
7468 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
7470 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
7471 NULL_RTX as an argument.
7473 * Makefile.in (unlibsubdir): Define.
7474 (DRIVER_DEFINES): Use unlibsubdir.
7475 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
7476 (stmp-fixinc): Similarly.
7478 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7480 * regmove.c (regmove_optimize): Add variable old_max_uid.
7481 At the end of the function, update basic_block_end.
7483 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7485 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
7486 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
7489 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
7491 * config/arm/arm.c: Improve interworking support.
7493 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7495 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
7496 copied from reload_out[r] .
7498 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
7500 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
7501 with more than three size ranges.
7503 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
7505 * rtl.c (mode_name): Add a null string at the end of the array.
7506 (mode_wider_mode): Change type to unsigned char.
7507 (mode_mask_array): New variable.
7508 (init_rtl): Update for mode_wider_mode type change.
7510 * rtl.h (mode_wider_mode): Change type to unsigned char.
7511 (mode_mask_array): Declare.
7512 (GET_MODE_MASK): Use mode_mask_array.
7514 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
7516 * calls.c (expand_call) : Encapsulate code into
7517 copy_blkmode_from_reg.
7518 * expr.c (copy_blkmode_from_reg): New function.
7519 * expr.h (copy_blkmode_from_reg): New function.
7520 * integrate.c (function_cannot_inline_p): We can inline
7522 (expand_inline_function): Use copy_blkmode_from_reg
7523 if needed. Avoid creating BLKmode REGs.
7524 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
7527 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
7529 * config/v850/v850.c: Add function prototypes.
7530 Add support for v850 special data areas.
7532 * config/v850/v850.h: Add support for v850 special data areas.
7534 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
7535 HANDLE_PRAGMA_PACK_PUSH_POP.
7536 (push_alignment): New function: Cache an alignment requested
7537 by a #pragma pack(push,<n>).
7538 (pop_alignment): New function: Pop an alignment from the
7540 (insert_pack_attributes): New function: Generate __packed__
7541 and __aligned__ attributes for new decls whilst a #pragma pack
7543 (add_weak): New function: Cache a #pragma weak directive.
7544 (handle_pragma_token): Document calling conventions. Add
7545 support for #pragma pack(push,<n>) and #pragma pack (pop).
7547 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
7548 are defined enable HANDLE_PRAGMA_PACK.
7549 Move 'struct weak_syms' here (from varasm.c).
7550 Add pragma states for push and pop pragmas.
7552 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
7555 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
7556 HANDLE_GENERIC_PRAGMAS.
7558 * varasm.c: Move definition of 'struct weak_syms' into
7560 (handle_pragma_weak): Deleted.
7562 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
7564 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
7566 * c-decl.c (start_function): Add invocation of
7567 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
7569 * tm.texi: Remove description of non-existant macro
7570 SET_DEFAULT_SECTION_NAME.
7572 (HANDLE_SYSV_PRAGMA): Document.
7573 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
7575 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
7577 * config.sub: Recognize i[34567]86-pc-udk as new target.
7578 * configure.in: Likewise.
7579 * config/i386/t-udk: New file.
7580 * config/i386/udk.h: New file.
7582 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
7584 * reorg.c (check_annul_list_true_false): Remove unused variables.
7585 (steal_delay_list_from_target): Add missing "used_annul" variable.
7586 (try_merge_delay_insns): Close out half formed comment.
7588 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7590 * cpplib.c (macroexpand): If arg->raw_before or
7591 arg->raw_after, remove any no-reexpansion escape at the
7592 beginning of the pasted token. Correct handling of whitespace
7593 markers and no-reexpand markers at the end if arg->raw_after.
7595 * toplev.c (documented_lang_options): Recognize -include,
7596 -imacros, -iwithprefix, -iwithprefixbefore.
7597 * cpplib.c (cpp_start_read): Process -imacros and -include
7598 switches at the same time and in command-line order, after
7599 initializing the dependency-output code. Emit properly nested
7600 #line directives for them. Emit a #line for the main file
7601 before processing these switches, and don't do it again
7604 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
7606 * function.c (purge_addressof_1): Use bitfield manipulation
7607 routines to handle mem mode < reg mode.
7609 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7611 * reorg.c (try_merge_delay_insns): Account for resources referenced
7612 in each instruction in INSN's delay list before trying to eliminate
7613 useless instructions. Similarly when looking at a trial insn's delay
7616 * reorg.c (check_annul_list_true_false): New function.
7617 (steal_delay_list_from_{target,fallthrough}): Call it and also
7618 refine tests for when we may annul if already filled a slot.
7619 (fill_slots_from_thread): Likewise.
7620 (delete_from_delay_slot): Return newly-created thread.
7621 (try_merge_delay_isns): Use its new return value.
7623 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
7625 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
7626 used to compute a giv or as some other non-counting use.
7628 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7630 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
7631 * local-alloc.c (find_free_reg): Use it.
7632 * global.c (find_reg): Likewise.
7633 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
7635 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
7636 * caller-save.c (init_caller_save): Use it.
7637 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
7639 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7641 * configure.in: Add --enable-cpplib option which uses cpplib
7642 for cpp, but doesn't link cpplib into cc1. Make help text
7643 capitalization consistent.
7644 * configure: Rebuilt.
7646 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
7648 * function.c (gen_mem_addressof): If the address REG is
7649 REG_USERVAR_P make the new REG be so also.
7650 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
7651 in an attempt to clarify slightly.
7653 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
7655 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
7656 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
7658 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
7660 * toplev.c: Fix last patch.
7662 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
7664 * loop.c (get_condition): Fix typo in May 9 change.
7666 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7668 * invoke.texi (-fexceptions): Merge 2 different descriptions.
7670 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7672 * toplev.c (documented_lang_options): Spelling corrections.
7674 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7676 * configure.in: new flags --with-ld and --with-as, equivalent
7677 to setting LD and AS environment variables. Test whether
7678 specified arguments are GNU commands, and report them with
7679 checking messages. Use the specified AS for configure
7682 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
7684 * gcc.c (find_a_file): when looking for `as' and `ld', return
7685 the DEFAULT program if it exists
7686 * collect2.c (main): use DEFAULT_LINKER if it exists
7688 * gcc.c (find_a_file): the test for existence of a full
7689 pathname was reversed
7691 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
7693 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
7694 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
7696 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
7698 * tree.h (TYPE_BINFO): Document.
7700 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
7702 * i386-coff.h (dbxcoff.h): Added.
7704 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
7706 * toplev.c: fix bad patch around flag_data_sections.
7708 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
7710 * reload1.c (reload): Use reload_address_index_reg_class and
7711 reload_address_base_reg_class when setting
7712 caller_save_spill_class. (Patch generated by Jim Wilson:
7715 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
7717 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
7718 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
7719 * expr.c (store_field): Add alias_set parameter. Set the
7720 MEM_ALIAS_SET accordingly, if the target is a MEM.
7721 (expand_assignment): Use it.
7722 (store_constructor_field): Pass 0.
7723 (expand_expr): Likewise.
7725 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
7727 * flags.h: Add flag_data_sections.
7728 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
7729 (compile_file): Error if flag_data_sections not supported.
7730 * varasm.c (assemble_variable): Handle flag_data_sections.
7731 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
7732 * config/mips/elf.h: Likewise.
7733 * config/mips/elf64.h: Likewise.
7734 * invoke.texi: Describe -fdata-sections.
7736 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
7738 * invoke.texi (-ffloat-store): Clarify that this option
7739 does not affect intermediate results -- only variables.
7741 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
7743 * cpp.texi: Update for Fortran usage from Craig.
7745 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
7747 * rs6000.c (function_arg_boundary): Revert accidental change on
7750 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
7752 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
7753 (output_mi_thunk): Declare.
7755 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
7756 (output_function_profiler): Use r12 for temp, instead of r11 so
7757 that we preserve the static chain register.
7759 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
7761 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
7763 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7765 * sh.c (gen_shl_sext): Fix case 5.
7767 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7769 * reload1.c (reload_combine): Re-add line that got accidentally lost.
7771 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7773 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
7774 accessing variables until they are initialized via va_arg().
7776 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7778 * reload1.c (reload_combine): Initialize set before using.
7780 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
7782 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
7785 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
7787 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
7788 operand3 with mask before using it. Patch provided by Jim Wilson.
7790 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7792 * config/sparc/sparc.c (function_value): Perform the equivalent of
7793 PROMOTE_MODE for ARCH64.
7794 (eligible_for_epilogue_delay): Allow DImode operations in delay
7795 slot of a return for ARCH64.
7797 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7799 * sh.md (sqrtsf2): Fix mode of sqrt.
7801 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7803 * reload1.c (choose_reload_regs): Also try inheritance when
7804 reload_in is a stack slot of a pseudo, even if we already got a
7807 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7809 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
7810 (reload_cse_regs): New function body: call reload_cse_regs_1,
7811 reload_combine, reload_cse_move2add.
7812 When doing expensive_optimizations, call reload_cse_regs_1 a
7813 second time after reload_cse_move2add.
7814 (reload_combine, reload_combine_note_store): New functions.
7815 (reload_combine_note_use): New function.
7816 (reload_cse_move2add, move2add_note_store): New functions.
7818 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7820 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
7821 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
7823 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
7824 more than 3 such reloads.
7826 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
7827 RELOAD_FOR_X_ADDR_ADDR reload.
7829 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7831 * expr.c (store_constructor): When initializing a field that is smaller
7832 than a word, at the start of a word, try to widen it to a full word.
7834 * cse.c (cse_insn): When we are about to change a register,
7835 remove any invalid references to it.
7837 (remove_invalid_subreg_refs): New function.
7838 (mention_regs): Special treatment for SUBREGs.
7839 (insert_regs): Don't strip SUBREG for call to mention_regs.
7840 Check if reg_tick needs to be bumped up before that call.
7841 (lookup_as_function): Try to match known word_mode constants when
7842 looking for a norrower constant.
7843 (canon_hash): Special treatment for SUBREGs.
7845 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7847 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
7848 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
7849 defined, emit libcall to __enable_execute_stack. Also fix opcodes
7850 and offsets in actual stack trampoline code so they match the
7851 commentary and actually work.
7853 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7855 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
7857 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
7858 tmake_file. Set extra_parts to needed crt objects.
7859 * configure: Rebuilt.
7860 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
7861 (TARGET_DEFAULT): Set if default is v9 or ultra.
7862 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
7863 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
7864 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
7865 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
7866 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
7867 (TARGET_VERSION): Define.
7868 (MULTILIB_DEFAULT): Define.
7869 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
7870 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
7871 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
7873 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
7874 * config/sparc/sparc.c (sparc_override_options): If arch and
7875 pointer size disagree, emit diagnostic and fix it up. If
7876 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
7877 V8PLUS in 64-bit mode.
7878 * config/sparc/t-linux64: New file.
7879 * config/sparc/t-sol2-64: New file.
7880 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
7881 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
7882 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
7883 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
7884 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
7885 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
7887 (STARTFILE_SPEC): Set approriately based upon those.
7888 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
7889 disposition of DEFAULT_ARCH32_P.
7890 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
7891 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
7892 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
7893 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
7894 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
7896 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
7898 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
7900 * rtl.h (init_virtual_regs): New function.
7901 * emit-rtl.c (init_virtual_regs): Define.
7902 (insn_emit): Use it.
7903 * integrate.c (save_for_inline_copying): Likewise.
7905 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
7907 * config/arm/thumb.h: The following patches were made by Jim Wilson:
7908 (enum reg_class): Add NONARG_LO_REGS support.
7909 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7910 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
7911 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
7912 completes. Re-enable HImode REG+OFFSET addresses.
7913 (LEGITIMIZE_RELOAD_ADDRESS): Define.
7915 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
7917 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
7919 * alpha.c (get_aligned_mem): Revert Sep 20 change.
7920 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
7921 (alpha_align_insns): Properly calculate initial offset wrt max_align.
7923 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
7925 * arm.c (find_barrier): Revert change of Apr 23. Handle table
7926 jumps as a single entity, taking into account the size of the
7929 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7931 * tree.def (SWITCH_EXPR): New tree node definition.
7933 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
7935 * version.c: Bump for snapshot.
7937 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
7939 * version.c: Bump for snapshot.
7941 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
7943 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
7946 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
7948 * Revert this patch.
7949 * reload.c (find_reloads): Do not replace a pseudo with
7950 (MEM (reg_equiv_addr)) in the initializing insn for the
7953 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
7955 * final.c (final_scan_insn): Disable tracking CC across branches.
7957 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7959 * expr.h (eh_rtime_match_libfunc): New extern declaration.
7960 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
7961 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
7962 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
7963 NULL. Only include <stdio.h> if inhibit_libc is not defined.
7965 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
7967 * toplev.c (rest_of_compilation): Skip compiling anything with
7968 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
7970 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
7972 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
7973 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
7974 use in_libcall_block.
7975 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
7976 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
7979 Mon Sep 21 14:02:23 1998
7981 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
7982 typo in no-fancy-math-387 description.
7984 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
7986 * version.c: Bump for snapshot.
7988 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
7990 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
7992 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
7994 * i386.h: (TARGET_SWITCHES) Add description fields for flags
7995 documented in install.texi.
7996 (TARGET_OPTIONS) Likewise.
7998 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
8000 * version.c: Bump for snapshot.
8002 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
8004 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
8005 * cccp.c (main): Likewise.
8007 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
8008 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
8011 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
8013 * Makefile.in (LIBS): Link in libiberty.a.
8014 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
8016 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
8018 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
8019 it to update bb boundaries. Update caller.
8020 * function.c (reposition_prologue_and_epilogue_notes): Update
8021 bb boundaries wrt the moved note.
8023 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
8025 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
8027 * configure: Regenerate.
8029 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
8031 * alpha.c (alpha_sr_alias_set): New variable.
8032 (override_options): Set it.
8033 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
8034 (mode_mask_operand): Fix signed-unsigned comparision warning.
8035 (alpha_expand_block_move): Likewise.
8036 (print_operand): Likewise.
8037 (get_aligned_mem): Use change_address.
8038 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
8039 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
8040 (alphaev4_next_nop, alphaev5_next_nop): New functions.
8041 (alpha_align_insns): Remade from old alphaev5_align_insns
8042 to handle multiple processors.
8043 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
8044 * output.h (label_to_alignment): Prototype.
8046 * tree.c (new_alias_set): New function.
8047 * tree.h (new_alias_set): Declare it.
8048 * c-common.c (c_get_alias_set): Use it.
8050 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
8052 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
8053 to an ABS expr, convert an unsigned input to signed.
8055 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
8057 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
8059 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8061 * configure.in: Add support for c4x targets.
8062 * configure: Rebuilt.
8064 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
8066 * combine.c (distribute_notes): If an insn is a cc0 user, only
8067 delete it if we can also delete the cc0 setter.
8069 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
8071 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
8072 (invert_truthvalue): Enable truthvalue inversion for
8073 floating-point operands if -ffast-math.
8075 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
8077 * configure.in: Disable collect2 for nextstep. Instead use
8079 * configure: Rebuilt.
8080 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
8081 (ENDFILE_SPEC): Define.
8082 (OBJECT_FORMAT_MACHO): Define.
8083 (EH_FRAME_SECTION_ASM_OP): Define.
8084 * crtstuff.c: Handle MACHO.
8086 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
8088 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
8090 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
8092 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
8093 (_fpadd_parts): Get sign right for 0.
8095 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8097 * ginclude/varargs.h: Add support for C4x target.
8098 * ginclude/stdargs.h: Likewise.
8100 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
8102 * alpha.c (alpha_return_addr): SET should be VOIDmode.
8103 (alpha_emit_set_long_const): Rewrite to be callable from reload
8105 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
8106 * alpha.md (movdi): Likewise.
8108 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
8110 * arm.c (add_constant): New parameter address_only, change caller.
8111 Set it non-zero if taking the address of an item in the pool.
8112 (arm_reorg): Handle cases where we need the address of an item in
8115 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
8117 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
8118 memory addresses that are not in standard canonical form.
8120 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
8122 * README.C4X: New file with information about the c4x ports.
8123 * ginclude/va-c4x.h: New file for c4x varargs support.
8124 * config/c4x: New directory with c4x port files.
8126 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
8128 * reload.c (find_reloads): Do not replace a pseudo with
8129 (MEM (reg_equiv_addr)) in the initializing insn for the
8132 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
8134 * toplev.c (rest_of_compilation): Set bct_p on second call to
8136 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
8138 (strength_reduce): Only call analyze_loop_iterations and
8139 insert_bct if bct_p set.
8140 (check_dbra_loop): Fix typo.
8141 (insert_bct): Use word_mode instead of SImode.
8142 (instrument_loop_bct): Likewise. Do not delete iteration count
8143 condition code generation insn. Initialize iteration count before
8145 * rtl.h (loop_optimize): Update prototype.
8147 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
8148 not doubleword aligned.
8150 * rs6000.c (optimization_options): New function.
8151 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
8152 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
8153 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
8154 first; cr1 can be used for FP record condition insns.
8156 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
8158 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
8161 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
8164 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
8166 (block_move_call): New function: Call a library routine to copy a
8168 (m32r_expand_block_move): New function: Expand a "movstrsi"
8169 pattern into a sequence of insns.
8170 (m32r_output_block_move): New function: Expand a
8171 "movstrsi_internal" pattern into a sequence of assembler opcodes.
8172 (m32r_block_immediate_operand): New function: Return true if the
8173 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
8175 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8177 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
8179 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
8181 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8183 * regmove.c (copy_src_to_dest): Check that modes match.
8185 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
8187 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
8189 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
8191 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
8192 narrower than FLOAT_REGS.
8194 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8196 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
8198 * Makefile.in (old_gxx_include_dir): removed
8200 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
8202 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
8205 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
8206 (sh_handle_pragma): Change function arguments to match new
8207 specification for HANDLE_PRAGMA.
8209 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8211 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
8213 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
8214 When generating output, initialize missing struct member to zero.
8216 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8218 * regmove.c (copy_src_to_dest): Don't copy if that requires
8219 (a) new register(s).
8221 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8223 * global.c (reg_allocno): Now static.
8224 * reload1.c (reg_allocno): Delete declaration.
8225 (order_regs_for_reload): Take no arguments. Don't treat regs
8226 allocated by global differently than those allocated by local-alloc.
8228 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
8230 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
8231 condition, fix format strings.
8232 (output_function_epilogue): Likewise.
8234 * m68k/m68k.c: Don't include <stdlib.h> directly.
8236 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
8238 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
8239 mem_first_set, mem_last_set; because 0 can be a CUID.
8240 (oprs_unchanged_p): Use new definition.
8241 (record_last_reg_set_info): Likewise.
8242 (record_last_mem_set_info): Likewise.
8243 (compute_hash_table): Likewise.
8245 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
8247 * rs6000.c (output_epilogue): Handle Chill.
8249 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
8250 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
8252 * combine.c (make_extraction): If no mode is specified for
8253 an operand of insv, extv, or extzv, default it to word_mode.
8254 (simplify_comparison): Similarly.
8255 * expmed.c (store_bit_field): Similarly.
8256 (extract_bit_field): Similarly.
8257 * function.c (fixup_var_regs_1): Similarly.
8258 * recog.c (validate_replace_rtx_1): Similarly.
8259 * mips.md (extv, extzv, insv expanders): Default modes for most
8260 operands. Handle TARGET_64BIT.
8261 (movdi_uld, movdi_usd): New patterns.
8263 * pa.c (emit_move_sequence): Do not replace a pseudo with its
8264 equivalent memory location unless we have been provided a scratch
8265 register. Similarly do not call find_replacement unless a
8266 scratch register has been provided.
8268 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8270 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
8273 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
8275 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
8276 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
8277 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
8278 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
8279 * c-decl.c (init_decl_processing): Update accordingly.
8280 * expr.c (expand_builtin): Likewise.
8282 * rtl.h (global_rtl): Add cfa entry.
8283 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
8284 (LAST_VIRTUAL_REGISTER): Update.
8285 * emit-rtl.c (global_rtl): Add cfa entry.
8286 (init_emit): Initialize it.
8287 * function.c (cfa_offset): New.
8288 (instantiate_virtual_regs): Initialize it.
8289 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
8290 (expand_function_end): Call expand_eh_return.
8291 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
8293 * except.c (current_function_eh_stub_label): Kill.
8294 (current_function_eh_old_stub_label): Likwise; update all references.
8295 (expand_builtin_set_return_addr_reg): Kill.
8296 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
8297 (expand_builtin_set_eh_regs): Kill.
8298 (eh_regs): Produce a third reg for the actual handler address.
8299 (eh_return_context, eh_return_stack_adjust): New.
8300 (eh_return_handler, eh_return_stub_label): New.
8301 (init_eh_for_function): Initialize them.
8302 (expand_builtin_eh_return, expand_eh_return): New.
8303 * except.h: Update prototypes.
8304 * flow.c (find_basic_blocks_1): Update references to the stub label.
8305 * function.h (struct function): Kill stub label elements.
8307 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
8308 register number is one that would be in the previous window.
8309 Provide a dummy definition for non-windowed targets.
8310 (get_reg_addr): New function.
8311 (get_reg, put_reg, copy_reg): Use it.
8312 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
8313 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
8315 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
8316 (alpha_init_expanders): Initialize it.
8317 (alpha_expand_epilogue): Use it.
8318 * alpha.h: Declare it.
8319 * alpha.md (eh_epilogue): New.
8321 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
8322 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
8324 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
8326 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
8329 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8331 * except.h (struct eh_entry): Add false_label field.
8332 (end_catch_handler): Add prototype.
8333 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
8334 (start_catch_handler): When using old style exceptions, issue
8335 runtime typematch code before continuing with the handler.
8336 (end_catch_handler): New function, generates label after handler
8337 if needed by older style exceptions.
8338 (expand_start_all_catch): No need to check for new style exceptions.
8339 (output_exception_table_entry): Only output the first handler label
8340 for old style exceptions.
8341 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
8342 mechanism into one function, if a runtime matcher is provided.
8344 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8346 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
8348 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
8350 * integrate.c (copy_decl_list): Fix typo.
8352 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8354 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
8357 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
8359 * version.c: Bump for snapshot.
8361 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
8363 * version.c: Bump for snapshot.
8365 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
8367 * version.c: Bump for snapshot.
8369 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8371 * invoke.texi (C Dialect Options): Put back missing @end itemize.
8373 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8375 * configure.in: remove usage of `!' to negate the result of a
8376 command; some common shells do not support it
8378 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8380 * configure.in: in sparc9-sol2 config, use 'if test' not
8382 * configure: Rebuilt.
8384 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
8386 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
8387 (CPP_CPU_DEFAULT_SPEC): Likewise.
8388 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
8389 for arch64 libfuncs.
8391 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
8394 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8396 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
8398 * collect2.c: Don't declare `sys_siglist' here.
8399 (my_strsignal): Prototype and define new function. Use it in
8400 place of `sys_siglist' hacks.
8402 * mips_tfile.c: Likewise.
8404 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
8405 (GCC_NEED_DECLARATIONS): Likewise.
8407 * system.h (strsignal): Prototype it, if necessary.
8408 (sys_siglist): Declare it, if necessary.
8410 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8412 * loop.c (move_movables): While removing insn sequences, preserve
8413 the next pointer of the most recently deleted insn when we skip
8416 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
8418 * objc/config-lang.in: Do not output the name of the selected
8419 thread file when building the front-end. The Makefile for the
8420 runtime library will do this.
8422 * objc/Make-lang.in: Do not build the runtime library or install
8423 the Objective C header files. The Makefile for the runtime
8424 library will do this.
8426 * objc/Makefile.in (all.indirect): Only build the front-end.
8427 (compiler): Rename to `frontend'.
8428 (obj-runtime): Remove target.
8429 (copy-headers): Likewise.
8430 (clean): No need to remove `libobjc.a' any longer.
8432 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
8434 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
8435 supported with -mcpu=xxx.
8437 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8439 * flow.c (mark_set_1): Recognize multi-register structure return
8440 values in CALL insns.
8441 (mark_used_regs): Likewise.
8442 (count_reg_sets_1): Likewise.
8443 (count_reg_references): Likewise.
8444 * rtlanal.c (note_stores): Likewise.
8445 (reg_overlap_mentioned_p): Likewise.
8446 * haifa-sched.c (check_live_1): Likewise.
8447 (update_live_1): Likewise.
8448 (sched_analyze_1): Likewise.
8449 (sched_note_set): Likewise.
8450 (birthing_insn_p): Likewise.
8451 (attach_deaths): Likewise.
8453 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
8456 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
8458 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
8460 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8462 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
8464 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8466 * configure.in: Add check for GAS subsection -1 support.
8467 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
8468 * configure config.in: Rebuilt.
8469 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
8470 SImode is subsection -1 works, else use DImode.
8471 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
8472 subsection -1 works.
8473 * config/sparc/sparc.c (sparc_output_addr_vec,
8474 sparc_output_addr_diff_vec): Use them if defined.
8476 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
8478 * tree.h (DECL_ORIGIN): New macro.
8479 * integrate.c (copy_and_set_decl_abstract_origin): New function.
8480 (copy_decl_list): Use it.
8481 (integrate_parm_decls): Likewise.
8482 (integrate_decl_tree): Likewise.
8483 * dwarf2out.c (decl_ultimate_origin): Simplify.
8484 * dwarfout.c (decl_ultimate_origin): Likewise.
8485 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
8486 (pushdecl): Likewise.
8488 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
8490 * config/rs6000/rs6000.c (output_epilog): Add Java support.
8492 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
8494 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
8496 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
8498 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
8499 empty or has a single entry.
8501 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
8502 before calling reg_to_stack.
8504 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
8506 * alpha.c (alphaev5_insn_pipe): Abort on default case.
8507 (alphaev5_next_group): Swallow CLOBBERs and USEs.
8509 * c-tree.h (warn_long_long): Declare it.
8511 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
8513 * emit-rtl.c (gen_lowpart_common): Disable optimization of
8514 initialized float-int union if the value is a NaN.
8516 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
8518 * c-lex.c (real_yylex): Don't warn about long long constants if
8519 we're allowing long long
8521 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8523 * except.h (current_function_eh_stub_label): Declare.
8524 (current_function_eh_old_stub_label): Declare.
8525 * function.h (struct function): New members eh_stub_label and
8527 * except.c (current_function_eh_stub_label): New variable.
8528 (current_function_eh_old_stub_label): New variable.
8529 (init_eh_for_function): Clear them.
8530 (save_eh_status): Save them.
8531 (restore_eh_status): Restore them.
8532 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
8533 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
8534 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
8535 make an edge from the block that contains it to the block starting
8536 with the label if this label is one of the eh stub labels.
8537 If eh stub labels exist, show they are reachable from the last block
8540 * reload1.c (reload): Break out several subroutines and make some
8542 (calculate_needs_all_insns): New function, broken out of reload.
8543 (calculate_needs): Likewise.
8544 (find_reload_regs): Likewise.
8545 (find_group): Likewise.
8546 (find_tworeg_group): Likewise.
8547 (something_needs_reloads): New global variable, formerly in reload.
8548 (something_needs_elimination): Likewise.
8549 (caller_save_spill_class): Likewise.
8550 (caller_save_group_size): Likewise.
8551 (max_needs): Likewise.
8552 (group_size): Likewise.
8553 (max_groups): Likewise.
8554 (max_nongroups): Likewise.
8555 (group_mode): Likewise.
8556 (max_needs_insn): Likewise.
8557 (max_groups_insn): Likewise.
8558 (max_nongroups_insn): Likewise.
8559 (failure): Likewise.
8561 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
8563 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
8565 * loop.c (load_mems): Copy rtx for output mem.
8567 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
8569 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
8570 mips1 or mips2 either.
8572 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
8574 * pa.c (pa_reorg): New marking scheme for jumps inside switch
8576 (pa_adjust_insn_length): Update to work with new marking scheme
8577 for jumps inside switch tables.
8578 * pa.md (switch_jump): Remove pattern.
8579 (jump): Handle jumps inside jump tables.
8581 * Makefile.in (profile.o): Depend on insn-config.h
8583 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
8585 * iris6.h (DWARF2_UNWIND_INFO): Undef.
8587 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8589 Add preliminary native sparcv9 Solaris support.
8590 * configure.in: Recognize sparv9-*-solaris2*
8591 * configure: rebuilt
8592 * config.sub: Recognize sparcv9 just like sparc64.
8593 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
8594 config/sparc/sol2-cn.asm: Macroize so it can be shared between
8595 32-bit and 64-bit Solaris systems.
8596 * config/sparc/t-sol2: Assemble those with cpp.
8597 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
8598 (*TF*_LIBCALL): If ARCH64 use V9 names.
8599 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
8601 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8603 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
8604 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
8606 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
8608 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
8609 to Pmode if CASE_VECTOR_MODE is something else.
8611 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
8613 * prefix.c (update_path): Correctly handle cases where PATH is
8614 a substring of the builtin prefix, but specifies a different
8617 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
8619 * expr.c: Corrected comment about what MOVE_RATIO does.
8620 * config/alpha/alpha.h: Ditto.
8621 * config/1750a/1750a.h: Ditto.
8622 * config/clipper/clipper.h: Ditto.
8623 * config/i386/i386.h: Ditto.
8625 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
8627 * configure.in (m68k-next-nextstep3*): Use collect2.
8628 Similarly for x86 NeXT configurations.
8629 * configure: Rebuilt.
8631 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
8633 * configure.in: Don't assume srcdir is .../gcc
8634 * configure: Rebuilt.
8636 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
8638 * global.c: Update comments.
8639 (global_alloc): Assign allocation-numbers
8640 even for registers allocated by local_alloc in case
8641 they are later spilled and retry_global_alloc is called.
8642 (mark_reg_store, mark_reg_clobber,
8643 mark_reg_conflicts, mark_reg_death): Always record a
8644 conflict with a pseudo register even if it has been
8645 assigned to a hard register.
8646 (dump_conflicts): Don't list pseudo registers already assigned to
8647 a hard register as needing to be allocated, but do list their
8649 * local-alloc.c: Update comment.
8651 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
8653 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
8654 * configure: Rebuilt.
8656 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
8658 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
8660 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
8661 for all targets that set -msoft-float.
8663 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8665 * toplev.c (print_switch_values): Make static to match prototype.
8667 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
8669 * configure.in: If we are unable to find the "gnatbind" program,
8670 then do not configure the ada subdir.
8671 * configure: Rebuilt.
8673 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
8675 * version.c: Bump for snapshot.
8677 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
8679 * version.c: Bump for snapshot.
8681 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8683 * Makefile.in (toplev.o): Depend on $(EXPR_H).
8684 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
8686 * gansidecl.h: Define ATTRIBUTE_NORETURN.
8688 * genattrtab.c: Have insn-attrtab.c include toplev.h.
8690 * genextract.c: Have insn-extract.c include toplev.h.
8692 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
8694 * toplev.c: Include expr.h.
8695 (really_sorry, fancy_abort): Remove prototypes.
8696 (set_target_switch): Add argument in prototype.
8697 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
8698 (v_really_sorry): Likewise.
8699 (print_version, print_single_switch, print_switch_values): Make
8700 static and add prototype arguments.
8701 (decl_printable_name): Add prototype arguments.
8702 (lang_expand_expr_t): New typedef.
8703 (lang_expand_expr): Declare as a lang_expand_expr_t.
8704 (incomplete_decl_finalize_hook): Add prototype argument.
8705 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
8706 (botch): Likewise for variable `s'.
8707 (rest_of_type_compilation): Mark variables `type' and `toplev'
8708 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
8709 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
8710 (display_help): Make variable `i' an `unsigned long'.
8711 (main): Remove unused parameter `envp'.
8712 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
8713 Cast -1 when comparing it with a `size_t'.
8715 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
8716 prototype with ATTRIBUTE_NORETURN.
8717 (fatal_insn_not_found, fatal_insn, really_sorry,
8718 push_float_handler, pop_float_handler): Add prototypes.
8719 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
8720 (do_abort, botch): Add prototypes.
8722 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
8724 * final.c (final): If a label is reached only from a single jump,
8725 call NOTICE_UPDATE_CC on the jump and its predecessor before
8726 emitting the insn after the label.
8728 * i386.h: Add AMD K6 support.
8729 Change TARGET_* macros to use table lookup.
8730 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
8731 (ADJUST_COST): Change definition to call function in i386.c.
8732 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
8733 * i386.c: Add AMD K6 support.
8734 Add constants for feature tests used by TARGET_* macros.
8735 (split_di): If before reload, call gen_lowpart and gen_highpart.
8736 (x86_adjust_cost): New function.
8737 (put_jump_code): New function.
8738 (print_operand): New codes 'D' and 'd'.
8739 * i386.md: New insn types. New insn attribute "memory".
8740 Redefine scheduling parameters to use new types and add AMD K6
8741 support. Explicitly set type of most insns.
8742 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
8743 Pro and K6 prefer movl $1,reg to incl reg.
8744 (adddi3, subdi3): Set cc_status.
8745 (DImode shift patterns): Change label counters from HOST_WIDE_INT
8746 to int; x86 can't have more than 2^31 DImode shifts per file.
8747 (setcc): Combine all setcc patterns. Allow writing memory.
8748 Combine all jump patterns using match_operator.
8749 (*bzero): Name pattern. Emit mutliple stos instructions when that
8750 is faster than rep stos.
8751 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
8754 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
8756 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
8759 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
8761 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
8762 not whatever we're generating now.
8764 * alpha.c (set_frame_related_p, FRP): New.
8765 (alpha_expand_prologue): Mark frame related insns.
8766 (alpha_expand_epilogue): Likewise, but with a null FRP.
8767 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
8768 * alpha.md (exception_receiver): New.
8769 * alpha/crtbegin.asm (.eh_frame): New beginning.
8770 (__do_frame_setup, __do_frame_takedown): New.
8771 * alpha/crtend.asm (.eh_frame): New ending.
8772 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
8773 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
8774 (ASM_FILE_START): Don't emit .file for dwarf2.
8776 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
8777 * rtl.c (reg_note_name): Likewise.
8778 * rtl.texi (REG_NOTES): Likewise.
8779 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
8782 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
8784 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
8785 * i386.md (movsf, movdf, movxf): Validate memory address returned
8786 from force_const_mem. Kill useless REG_EQUAL setting code.
8788 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
8790 * m68k.md (zero_extendsidi2): Fix typo.
8792 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
8794 * configure.in: Removed references to the removed file
8795 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
8796 * arm*-*-netbsd* and ns32k-*-netbsd*.
8797 * config/i386/xm-netbsd.h: Removed unnecessary file.
8798 * config/m68k/xm-netbsd.h: Likewise.
8799 * config/sparc/xm-netbsd.h: Likewise.
8800 * config/mips/xm-netbsd.h: Likewise.
8802 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
8804 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
8805 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
8807 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
8808 for exact section attributions.
8810 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
8812 * i386/crtdll.h (CPP_PREDEFINES): Define.
8814 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
8816 * m68k.md (5200 movqi): Do not allow byte sized memory references
8818 * m68k.c (output_move_qimode): Do not use byte sized operations on
8821 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
8822 explicit rules for building. Similarly for alloca, vfprintf,
8823 choose-temp and mkstemp, getopt, getopt1, and obstack.
8824 (INCLUDES): Add $(srcdir)/../include.
8825 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
8826 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
8828 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
8830 * gcc.c (do_spec_1): [case 'o'] Account for
8831 lang_specific_extra_outfiles.
8832 (main): Correctly clear all slots in outfiles for
8833 lang_specific_extra_outfiles. Set input_file_number before
8834 calling lang_specific_pre_link.
8836 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
8838 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
8840 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8842 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
8844 (sparc_output_deferred_case_vectors): If no work to do, return.
8845 Fix thinko in Sept 1 change.
8847 1998-09-03 SL Baur <steve@altair.xemacs.org>
8849 * Makefile.in: add semicolon in BISON definition for portability.
8851 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
8853 * config/nextstep.c (handle_pragma): Correct name of third
8856 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
8858 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
8859 * config/m32r/m32r.h: Make register 17 be fixed.
8860 * config/m32r/m32r.c: Use SImode for cc operations.
8862 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
8864 * invoke.texi (Warning Options): Add -Wnon-template-friend
8867 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
8869 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
8871 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
8873 * rs6000.md (movsf): Disable explicit secondary-reload-like
8874 functionality if TARGET_POWERPC64.
8875 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
8878 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
8880 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
8881 and term.h from fixinc.wrap.
8883 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8885 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
8886 safe to include both string.h and strings.h together.
8887 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
8888 which headers to search for function declarations. Continue to
8889 prefer string.h over strings.h when both are not acceptable.
8891 * acconfig.h (STRING_WITH_STRINGS): Add stub.
8893 * configure.in: Call GCC_HEADER_STRING.
8895 * system.h: Test STRING_WITH_STRINGS when deciding which headers
8896 to include. Continue to prefer string.h over strings.h when both
8899 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8901 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
8902 not assume top 32-bits of symbolic addresses are zero if
8905 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
8907 * ginclude/va-alpha.h: Protect entire second portion of the
8908 file against double inclusion.
8910 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
8912 Added support for the Boehm's garbage collector.
8913 * configure.in: Handle --enable-objc-gc.
8914 * configure: Rebuilt.
8915 * Makefile.in (CHECK_TARGETS): Add check-objc.
8916 (check-objc): New rule.
8917 * objc/Make-lang.in: Build a different Objective-C library that
8918 runs with the Boehm's collector.
8919 * objc/encoding.c (objc_round_acc_size_for_types): New function.
8920 * objc/encoding.c: Correctly compute the size of compound types in
8921 the presence of bitfields. Skip the variable name of the type if
8922 any. Added support for long long.
8923 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
8924 (_F_GCINVISIBLE): New mask.
8925 * objc/gc.c: New file. Compute the type memory mask associated with
8926 a class based on the runtime information.
8927 * objc/misc.c: Added the hooks that use the Boehm's collector
8928 allocation functions.
8929 * objc/objc-act.c (build_class_template): Generate a new class
8930 member (gc_object_type) to hold the class' type memory mask.
8931 (build_shared_structure_initializer): Initialize the new member to
8933 (encode_complete_bitfield): New function. Generate the new
8935 (encode_field_decl): Generate the new encoding only for the GNU
8937 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
8939 (class_get_gc_object_type): New function to mark a pointer instance
8940 variable as a weak pointer.
8941 * objc/objc-features.texi: New file.
8942 * objc/objc.h (gc_object_type): New class member.
8943 * objc/objects.c (class_create_instance): Create a typed memory
8944 object when compiled with Boehm's collector support.
8945 * objc/sendmsg.c (__objc_init_install_dtable): Call
8946 __objc_send_initialize instead of setting the initialize flag.
8947 (__objc_send_initialize): Call __objc_generate_gc_type_description
8948 to generate the class type memory mask. Rewrite the code that
8949 sends the +initialize so that it is called only once (bug report
8950 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
8951 * testsuite/objc: New testsuite for Objective-C type encoding.
8952 * testsuite/lib/objc-torture.exp: New file.
8953 * testsuite/lib/objc.exp: New file.
8955 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
8957 * jump.c (jump_optimize): In if/then/else transformations, add
8958 another call to modified_between_p for the jump insn.
8960 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
8962 * fix-header.c (symlink): Treat like readlink.
8964 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8966 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
8969 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
8971 * config/nextstep.h: Update HANDLE_PRAGMA macro.
8972 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
8973 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
8975 * config/nextstep.c (handle_pragma): Take three arguments, as per
8976 the new HANDLE_PRAGMA macro specification.
8977 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
8978 per the new HANDLE_PRAGMA macro specification.
8979 * config/i960/i960.c (process_pragma): Take three arguments, as
8980 per the new HANDLE_PRAGMA macro specification.
8982 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
8984 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
8985 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
8986 if unknown pragmas are encountered.
8987 (handle_sysv_pragma): Interpret return code from
8988 handle_pragma_token (). Return success/failure indication rather
8989 than next unprocessed character.
8990 (pragma_getc): New function: retrieves characters from the
8991 input stream. Defined when HANDLE_PRAGMA is enabled.
8992 (pragma_ungetc): New function: replaces characters back into the
8993 input stream. Defined when HANDLE_PRAGMA is enabled.
8995 * c-pragma.c (handle_pragma_token): Return success/failure status
8998 * c-pragma.h: Change prototype of handle_pragma_token().
9000 * varasm.c: (handle_pragma_weak): Only create this function if
9001 HANDLE_PRAGMA_WEAK is defined.
9003 * c-common,c (decl_attributes): If defined call the expression
9004 contained within the INSERT_ATTRIBUTES macro before adding
9005 attributes to a decl.
9007 * tm.texi (HANDLE_PRAGMA): Document the new verion of
9008 HANDLE_PRAGMA, which takes three arguments.
9009 (INSERT_ATTRIBUTES): Document this new macro.
9011 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
9012 new INSERT_ATTRIBUTES macro.
9014 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9016 * config/sparc/sparc.md (movdf): Only generate special RTL for
9017 LABEL_REFs when PIC.
9018 (move_label_di): Remove
9019 (movdi_pic_label_ref, movdi_high_pic_label_ref,
9020 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
9021 references when PIC.
9022 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
9023 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
9024 output an .xword for all 64-bit cases.
9026 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9028 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
9029 alignment, use FUNCTION_BOUNDARY instead.
9030 (sparc_output_deferred_case_vectors): Likewise.
9032 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9034 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
9035 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
9037 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
9039 * alpha/va_list.h: New file.
9040 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
9042 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
9044 * NEWS: Add SCO Openserver and Unixware 7 notes.
9048 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
9050 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
9051 (record_constant_1): Handle RANGE_EXPR.
9053 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
9055 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
9056 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
9057 and NOTE_INSN_RANGE_END specially.
9058 (reemit_notes): Likewise.
9060 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9062 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
9063 (ultrasparc_sched_init): Remove unneeded &.
9065 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9067 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
9068 for m68020-60, to prevent the use of fintrz.
9070 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
9072 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
9074 * Makefile.in: Likewise.
9075 * configure: Regenerated.
9077 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
9079 * configure.in (gxx_include_dir): Changed to
9080 '${prefix}/include/g++'-${libstdcxx_interface}.
9081 * configure: Rebuilt.
9083 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
9085 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
9087 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
9088 *sequences* *below* which scalar moves will be used.
9090 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
9092 * collect2.c (mktemp): Delete unused declaration.
9094 * config/xm-netbsd.h: Remove unnecessary file.
9095 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
9096 file anymore, it is not needed.
9098 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
9100 * convert.c (convert_to_integer): Issue an error on conversions to
9103 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
9105 * Makefile.in: Add lang_tree_files and gencheck.h.
9106 * configure.in: Generate them.
9107 * gencheck.c: Include gencheck.h.
9109 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9111 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
9112 movdi_lo_sum_pic and movdi_high_pic and make visible.
9113 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
9114 emit these when Pmode is not SImode.
9115 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
9117 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
9119 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
9120 .linkonce directive after the first time.
9122 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
9124 * m68k.md (beq0_di): Generate correct (and more efficient) code when
9125 the clobbered operand overlaps with an input.
9126 (bne0_di): Similarly.
9128 * Makefile.in (INSTALL): Remove "--no-header" argument.
9130 * NEWS: Various updates.
9132 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9134 * config/sparc/sparc.c (arith_operand, const64_operand,
9135 const64_high_operand, arith_double_4096_operand): Mark mode as
9137 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
9139 (sparc_emit_set_const64): Remove unused variable i.
9140 (sparc_splitdi_legitimate): Likewise for addr_part.
9141 (ultra_code_from_mask): Likewise for mask.
9142 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
9143 reverse return values so it matches usage and comments.
9144 (ultra_flush_pipeline): Likewise.
9145 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
9146 this_type, and allow loads and stores of differing FP modes as
9147 they do not create a conflict.
9148 (ultra_find_type): Initialize fpmode to SFmode, fix
9149 parenthesization thinkos in large conditional.
9150 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
9151 Init free_slot_mask after ultra_cur_hist is reset, not before.
9152 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
9153 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
9154 use ultra_flush_pipeline instead, then re-init group pointer.
9155 Fix statement with no effect. If no progress made in, and no
9156 instructions scheduled at all, advance to new pipeline cycle else
9157 we get into an endless loop.
9158 (ultrasparc_adjust_cost): Remove previous arg.
9159 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
9161 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
9163 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
9164 code. Use reg_overlap_mentioned_p to detect when source and
9165 destination overlap.
9166 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
9168 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
9170 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
9171 COMPARISON_VAL, into invariant_p.
9173 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9175 * regmove.c (regclass_compatible_p): New function.
9176 (regmove_optimize): Use it.
9178 Use NREGS parameter insted of calling max_reg_num.
9180 (fixup_match_1): Don't use code = MINUS when later tieing with
9181 a hard register is likely.
9183 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9185 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
9186 COMPARISON_VAL was normalized.
9188 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
9190 * loop.c (check_dbra_loop): The loop ending comparison value
9191 must be an invariant or we can not reverse the loop.
9193 * loop.c (scan_loop): Count down from max_reg_num - 1 to
9194 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
9196 (load_mems_and_recount_loop_regs_set): Likewise.
9198 * i386.c (print_operand): Remove obsolete 'c' docs.
9200 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
9202 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
9203 * frame.c (init_object_mutex): New function.
9204 (init_object_mutex_once): Likewise.
9205 (find_fde): Call it.
9206 (__register_frame_info): Likewise.
9207 (__register_frame_info_table): Likewise.
9208 (__deregister_frame_info): Likewise.
9210 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
9212 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
9214 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9216 * loop.c (check_dbra_loop): Enable code for reversal
9217 of some loops without a known constant loop end.
9219 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
9221 * haifa-sched.c (last_clock_var): New.
9222 (schedule_block): Initialize it.
9223 (schedule_insn): Use it to fill insn modes with issue information.
9225 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
9226 Tag trapb and next insn with TImode.
9227 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
9228 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
9229 Invoke alphaev5_align_insns as appropriate.
9230 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
9231 (MD_SCHED_VARIABLE_ISSUE): New.
9232 * alpha.md (attr type): Add multi.
9233 (define_asm_attributes): New.
9234 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
9235 (arg_home): Likewise.
9236 (fnop, unop, realign): New.
9238 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
9240 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
9241 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
9243 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
9244 (rs6000-ibm-aix4.[12]*): Likewise.
9245 * configure: Regnerate.
9247 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
9249 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
9250 already contains the return address.
9252 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
9254 * calls.c (expand_call): Use bitfield instructions to extract/deposit
9255 word sized hunks when loading unaligned args into registers.
9257 * haifa-sched.c (sched_analyze_insn): Only create scheduling
9258 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
9260 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
9262 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9264 * loop.c (check_dbra_loop): Add some code that would allow reversal
9265 of some loops without a known constant loop end if it were enabled.
9267 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
9269 * mips.md (lshrsi3_internal2+2): Fix type-o.
9271 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9273 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
9274 correctly with regards to stdio.h.
9276 * calls.c: Remove stdarg.h/varargs.h.
9279 * combine.c: Likewise.
9280 * cpperror.c: Likewise.
9281 * cpplib.c: Likewise.
9282 * cpplib.h: Likewise.
9283 * doprint.c: Likewise.
9284 * emit-rtl.c: Likewise.
9285 * final.c: Likewise.
9286 * fix-header.c: Likewise.
9288 * genattr.c: Likewise.
9289 * genattrtab.c: Likewise.
9290 * gencodes.c: Likewise.
9291 * genconfig.c: Likewise.
9292 * genemit.c: Likewise.
9293 * genextract.c: Likewise.
9294 * genflags.c: Likewise.
9295 * genopinit.c: Likewise.
9296 * genoutput.c: Likewise.
9297 * genpeep.c: Likewise.
9298 * genrecog.c: Likewise.
9299 * mips-tfile.c: Likewise.
9300 * prefix.c: Likewise.
9301 * protoize.c: Likewise.
9302 * regmove.c: Likewise.
9303 * toplev.c: Likewise.
9306 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9308 * config/sparc/sparc.c (sparc_override_options): If not
9309 TARGET_FPU, turn off TARGET_VIS.
9310 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
9311 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
9312 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
9313 (movdi_insn_sp64): Add VIS fzero alternative.
9314 (clear_sf, clear_df): New VIS patterns.
9315 (movsf, movdf expanders): Allow fp_zero_operand flat out when
9317 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
9319 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
9321 * loop.c (n_times_set, n_times_used, may_not_optimize,
9322 reg_single_usage): Convert to varrays. All uses changed.
9323 (insert_loop_mem): Return a value.
9324 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
9325 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
9328 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
9331 * configure.in: Do not set thread_file to "irix" since no such
9334 * sparc.md (float abs/neg splits): Check reload_completed before
9335 calling alter_subreg.
9337 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9339 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
9341 * config/sparc/sparc.h: Declare it.
9342 * config/sparc/sparc.md (float abs/neg splits): Use it.
9343 (all other splits): Handle SUBREGs properly where necessary.
9344 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
9346 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
9348 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
9349 an insn on the unfilled_slots_list that has no delay slots.
9350 (fill_eager_delay_slots): Similarly.
9352 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
9354 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
9355 as an ordinary operand.
9357 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
9359 * tree.c (valid_machine_attribute): Don't apply attributes to both
9362 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
9364 * reload.c (operands_match_p): Handle rtvecs.
9366 * i386.c (legitimate_pic_address_disp_p): New.
9367 (legitimate_address_p): Use it.
9368 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
9369 Handle constant pool symbols just like statics.
9370 (emit_pic_move): Use Pmode not SImode for clarity.
9371 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
9372 [UNSPEC]: New, handling what we killed above.
9373 [PLUS]: Detect and abort on invalid symbol arithmetic.
9374 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
9376 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
9378 * alias.c: Include output.h.
9379 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
9380 different if we're in a varargs function.
9381 * Makefile.in (alias.o): Depend on output.h
9383 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9385 * sh.h (GIV_SORT_CRITERION): Delete.
9387 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
9389 * regclass.c (regclass): Use xmalloc/free instead of alloca.
9390 * stupid.c (stupid_life_analysis): Ditto.
9391 * reload1.c (reload): Ditto.
9393 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9395 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
9396 arith_double_4096_operand, arith_double_add_operand): New
9398 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
9399 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
9400 them to transform add/sub 4096 into add/sub -4096.
9402 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9404 * loop.c (scan_loop): Allocate some slop to handle pseudos
9405 generated by move_movables.
9406 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
9409 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
9411 * tree.def (DECL_RESULT): Correct documentation.
9413 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9415 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
9416 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
9417 conflicts will all RELOAD_FOR_OUTPUT reloads.
9419 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
9420 loads the function result, substitute with a USE.
9422 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
9424 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
9425 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
9426 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
9427 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
9428 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
9429 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
9431 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
9432 'o' to 'm' for GPR variant constraints.
9434 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
9436 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
9438 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
9440 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
9441 when the source and destination overlap.
9443 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
9444 clash with global type.
9446 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
9448 * fixinc.irix: Add curses.h handling from fixinc.wrap.
9450 * c-common.c (combine_strings): Also set TREE_READONLY.
9451 Change warn_write_strings to flag_const_strings.
9452 * c-decl.c, c-tree.h: Likewise.
9454 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9456 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
9457 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
9458 sequence, use SET/IOR instead so CSE can see it.
9459 * config/sparc/sparc.md (movhi_const64_special,
9460 movsi_const64_special): New patterns necessitated by that change.
9461 (movhi_high): Remove.
9462 (movhi_lo_sum): Change to match an IOR.
9463 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
9464 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
9465 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
9466 (movdf splits): Allow when not V9 or when not ARCH64 and integer
9467 registers are involved.
9468 (snesi_zero_extend split): Remove reload_completed test.
9469 (unnamed plus and minus zero_extend sidi splits): Add it.
9471 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
9473 * extend.texi: Remove description of extension to explicit
9474 instantiation that is now endorsed by standard C++.
9476 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9478 * config/arc/arc.c (arc_initialize_pic): Remove.
9479 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
9480 nothing on any platform and is invoked by no-one, it does not even
9481 appear in the documentation.
9482 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
9483 * config/sparc/sparc.c (initialize_pic): Likewise.
9484 (find_addr_reg): Remove this as well, no longer referenced after
9487 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
9489 * recog.c (validate_replace_rtx_group): New function.
9490 * recog.h (validate_replace_rtx_group): Declare it.
9491 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
9492 the entire group of substitutions.
9494 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
9496 * loop.c (load_mems): Fix initializers.
9498 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9500 * config/sparc/sparc.md (TFmode splits): Handle destination
9501 registers being referenced in the address correctly.
9503 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
9504 TREE_UNSIGNED, when bitsize of type's mode is larger than
9505 HOST_BITS_PER_WIDE_INT.
9507 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9509 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
9510 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
9511 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
9513 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
9516 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
9518 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
9519 * h8300.h (TINY_DATA_NAME_P): Likewise.
9520 (STRIP_NAME_ENCODING): Handle '&'.
9522 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
9523 register (it could be accessed via an outer SUBREG).
9524 (REG_OK_FOR_BASE_P): Likewwise.
9525 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
9527 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
9530 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
9532 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9534 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
9535 must be offsettable so the splits can be made.
9537 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
9539 * config/i386/winnt.c: Include system.h, not stdio.h to get
9540 sys/param.h pulled in before rtl.h in case the system defines MIN
9543 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
9545 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
9547 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
9549 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
9551 * cpplib.c (cpp_define): Handle macros with parameters.
9553 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
9555 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
9556 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
9557 and DImode 64-bit. Use llong for minimal-toc SFmode and
9558 SYMBOL_REF / LABEL_REF 64-bit.
9559 (output_function_profiler): Use llong for profiler label and ld to
9560 load 64-bit label address.
9562 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
9564 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
9567 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
9569 * version.c: Bump for snapshot.
9571 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
9573 * version.c: Bump for snapshot.
9575 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
9577 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
9579 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
9581 * tm.texi (Misc): Fix typo "teh".
9583 * tm.texi (PIC): Fix typo "PPIC".
9585 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
9586 effect when -O2 and higher.
9587 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
9589 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
9591 * regclass.c: Changed register set documentation to be consistent
9594 * final.c (final_start_function) Removed redundant test for
9597 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
9599 * rtl.h (rtx_function): New type.
9600 (for_each_rtx): New function.
9601 * rtlanal.c (for_each_rtx): Define it.
9603 * recog.c (change_t): New type.
9604 (change_objects, change_old_codes, change_locs, change_olds):
9606 (changes): New variable.
9607 (validate_change): Dynamically allocate room for more changes, if
9608 necessary. Uses changes array instead of change_objects, etc.
9609 (apply_change_group): Use changes array instead of
9610 change_objects, etc.
9612 * loop.c (loop_mem_info): New type.
9613 (loop_mems): New variable.
9614 (loop_mems_idx): Likewise.
9615 (looop_mems_allocated): Likewise.
9616 (scan_loop): Remove nregs parameter.
9617 (next_insn_in_loop): New function.
9618 (load_mems_and_recount_loop_regs_set): Likewise.
9619 (load_mems): Likewise.
9620 (insert_loop_mem): Likewise.
9621 (replace_loop_mem): Likewise.
9622 (replace_label): Likewise.
9623 (INSN_IN_RANGE_P): New macro.
9624 (loop_optimize): Don't pass max_reg_num() to scan_loop.
9625 (scan_loop): Remove nregs parameter, compute it after any new
9626 registers are created by load_mems. Use INSN_IN_RANGE_P and
9627 next_insn_in_loop rather than expanding them inline. Call
9628 load_mems to load memory into pseudos, if appropriate.
9629 (prescan_loop): Figure out whether or not there are jumps from the
9630 loop to targets other than the label immediately following the
9631 loop. Call insert_loop_mem to notice all the MEMs used in the
9632 loop, if it could be safe to pull MEMs into REGs for the duration
9634 (strength_reduce): Use next_insn_in_loop. Tweak comments.
9636 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
9638 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
9640 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9642 * config/sparc/sparc.c (finalize_pic): Check for the correct
9643 nonlocal_goto_receiver UNSPEC number.
9644 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
9645 making note of this dependency existing in sparc.c
9646 (negtf2_notv9 split): Give NEG SFmode.
9647 (negsf2): Fix insn output string.
9649 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
9651 * c-common.c (decl_attributes): Issue an error if the argument
9652 to alias is not a string.
9654 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
9656 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
9657 pending memory flush list.
9659 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
9661 (try_combine): Allow combining insns with REG_LIBCALL notes.
9663 * expr.c (emit_block_move): Do not call memcpy as a libcall
9664 instead build up a CALL_EXPR and call it like any other
9666 (clear_storage): Similarly for memset.
9668 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
9671 * Makefile.in (cplus-dem.o): Provide explicit rules for building
9674 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
9675 and REG_LIVE_LENGTH as successful substitutions are made.
9677 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9679 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
9680 statement after end of loop label.
9682 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9684 * config/sparc/sparc.c (ultra_types_avail): New variable.
9685 (ultra_build_types_avail): New function to record mask of insn
9686 types in ready list at this cycle.
9687 (ultrasparc_sched_reorder): Call it.
9688 (ultra_find_type): Use it to quicken the search. Also simplif
9689 dependency check, don't use rtx_equal_p because we know exactly
9690 what we are looking for.
9692 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
9694 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
9695 for architecture v4.
9697 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9699 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
9701 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
9702 movdf_const_intreg and helper splits): New patterns to move float
9703 constants into integer registers.
9704 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
9707 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
9710 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
9712 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
9714 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
9715 a BASE_REGS register is needed as an intermediate when copying
9716 a symbolic value into any register class other than BASE_REGS.
9718 * expr.c (move_by_pieces): No longer static. Remove prototype.
9719 * rtl.h (move_by_pieces): Add extern prototype.
9720 * mips.c (expand_block_move): Handle aligned straight line copy by
9721 calling move_by_pieces.
9723 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
9726 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
9728 * stmt.c (expand_end_loop): Tidy. Allow unconditional
9729 jumps out of the loop to be treated as part of the exit test.
9731 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9732 Jeff Law <law@cygnus.com>
9734 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
9735 * cplus-dem.c: Delete.
9737 * Makefile.in (fold-const.o): depend on $(RTL_H).
9739 * fold-const.c: Include rtl.h to get the prototype for
9740 `set_identifier_local_value'.
9742 * loop.c (express_from_1): Remove unused variable `tmp'.
9743 (combine_givs): cast the first argument of bzero to char *.
9745 * toplev.c (display_help): Remove unused variable `looking_for_start'.
9747 * c-decl.c (init_decl_processing): Remove unneeded &.
9749 * alpha.h (alpha_initialize_trampoline): Provide prototype.
9751 * except.c (set_exception_lang_code, set_exception_version_code):
9752 Change parameter from `short' to `int' to avoid using a gcc
9755 * except.h (set_exception_lang_code, set_exception_version_code):
9756 Likewise for prototypes.
9758 * flow.c (count_reg_references): Remove unused variables `regno'
9761 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
9763 * prefix.c (translate_name): Cast the result of `alloca'.
9765 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
9767 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9769 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
9771 (valid_dbcc_comparison_p): Mark mode argument as unused.
9772 (symbolic_operand): Likewise.
9773 (legitimize_pic_address): Likewise.
9774 (const_uint32_operand): Likewise.
9775 (const_sint32_operand): Likewise.
9776 * sched.c [!INSN_SCHEDULING]: Define only dummy function
9777 schedule_insns and comment out rest of file.
9779 * m68k.c (output_move_simode_const): Use subl to move a zero into an
9781 (output_move_[hq]imode): Likewise.
9783 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
9785 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
9786 * invoke.texi: Corresponding changes.
9788 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
9790 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
9792 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9794 * config/sparc/sparc.c (ultra_code_from_mask,
9795 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
9796 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
9797 ultrasparc_sched_init, ultrasparc_variable_issue,
9798 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
9799 functions to describe UltraSPARC pipeline exactly to Haifa.
9800 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
9801 as there is nothing the scheduler can do about it. Indicate that
9802 REG_DEP_OUTPUT's collide. Fixup formatting.
9803 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
9804 divide costs on Ultra for DImode.
9805 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
9807 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
9808 ieuN and add call_no_delay_slot to type list.
9809 (cti function unit): New unit for branches on UltraSPARC.
9810 (subx/addx insns): Set type to misc.
9811 (sidi zero/sign extension insns on arch64): Set type to shift.
9812 (sign_extendhidi2_insn): Set type to sload.
9814 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
9816 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
9817 (output_epilog): Use if != 0 for offset.
9818 (rs6000_fatal_bad_address): Prepare for Intl.
9819 * rs6000.h (rs6000_fatal_bad_address): Declare.
9820 * rs6000.md (movsfcc, movdfcc): Use else if.
9821 (elf_high): Use {liu|lis}.
9822 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
9823 (movsi): Use rs6000_fatal_bad_address.
9825 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
9827 * reload.c (find_equiv_reg): Reject equivalences separated
9828 by a volatile instruction.
9830 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9832 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
9834 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
9836 * alpha.md (movsicc): Fix mode mismatch.
9838 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
9840 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
9842 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
9844 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9846 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
9847 write-only modifier from operand 1 constraint.
9849 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9851 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
9852 emitting a XOR of -1 at the end, emit a NOT instead for combine's
9854 (sparc_emit_set_const64): Likewise, also when computing trailing
9855 bits do not negate low_bits and make fast_int an int.
9857 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
9859 * loop.c (add_label_notes): Do not ignore references to labels
9860 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
9861 * gcse.c (add_label_notes): Similarly.
9863 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
9865 * m68k.md (adddi_dilshr32): One of the operands must be a register.
9866 (adddi_dishl32): Similarly.
9868 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
9870 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
9871 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
9872 * cse.c (cse_basic_block): Add parens to shut up warnings.
9874 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9876 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
9877 sparc_emit_set_const64_longway, const64_is_2insns,
9878 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
9879 in 64-bit constant formation.
9880 * config/sparc/sparc.md (snesi_zero_extend split): Generate
9881 rtl for addx not subx.
9882 (define_insn movdi_const64_special): Make available even when
9883 HOST_BITS_PER_WIDE_INT is not 64.
9884 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
9885 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
9886 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
9887 instances of operand 1 inside a QI subreg.
9888 (xordi3_sp64_dbl): Remove '%' constraint for op1.
9889 (one_cmpldi2_sp64): Fix output string.
9890 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
9892 (unnamed arch64 ashift DI): Truncate shift count if greater than
9895 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9897 * expr.c (store_expr): Don't optimize away load-store pair
9898 when either source or destination have a side effect.
9900 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
9902 * genrecog.c (add_to_sequence): Fatal error if the modes of the
9903 operands of SET are incompatible.
9905 * alpha.md: Fix max and min patterns so modes of SET operands match.
9907 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
9909 * configure.in: Avoid [[ by using test and changequote.
9910 * configure: Rebuild.
9912 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9914 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
9916 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
9917 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
9918 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
9919 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
9920 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
9921 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
9922 Fix mismatching modes in SET operands.
9923 (conditional move patterns): Fix formatting.
9924 (unnamed subx arch64 pattern): Remove duplicate insn.
9926 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9928 * config/sparc/sparc.c (const64_operand, const64_high_operand):
9929 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
9930 (input_operand): Fixup test for what we accept for constant
9932 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
9934 (safe_constDI): Remove.
9935 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
9936 gen_safe_XOR64): New functions.
9937 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
9938 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
9940 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
9941 available when HOST_BITS_PER_WIDE_INT is not 64.
9942 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
9943 move before movdi_insn_sp64 pattern.
9944 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
9945 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
9946 symbolic_operand as predicate for second operand.
9947 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
9948 expander): Give set VOIDmode.
9950 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
9952 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
9954 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
9956 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
9958 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
9960 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
9962 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
9964 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
9966 * install.texi: Various SCO OpenServer tweaks.
9968 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
9970 * reload1.c (eliminate_regs_in_insn): Handle another case when
9971 eliminating the frame pointer to the hard frame pointer. Add
9972 missing ep->to_rtx check to one existing case.
9974 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
9976 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
9978 * tree.h: De-conditionalize init_priority code.
9980 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
9981 * collect2.c (NM_FLAGS): Change from -p to -n.
9983 * configure.in: Turn on collect2 for mipstx39-elf.
9984 Handle use_collect2=no properly.
9986 * c-common.c: De-conditionalize init_priority code.
9987 * collect2.c (extract_init_priority, sort_ids): New fns.
9988 (main): Call sort_ids.
9989 Move sequence_number to file scope.
9991 * configure.in: Handle --enable-init-priority.
9992 * c-common.c (attrs): Add A_INIT_PRIORITY.
9993 (init_attributes, decl_attributes): Likewise.
9994 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
9995 * tree.c (get_file_function_name_long): Split out...
9996 (get_file_function_name): ...from here.
9998 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
10000 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
10003 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
10005 * toplev.c (display_help): Add braces to shut up warnings.
10006 * tree.c (simple_cst_equal): Likewise.
10008 * fold-const.c (non_lvalue): Don't deal with null pointer
10010 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
10012 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
10013 of any size to a pointer.
10015 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
10017 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
10019 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
10021 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
10022 which will be saved.
10023 * mn10300.md (prologue insn): Only save registers which need saving.
10024 (epilogue insn): Similarly.
10026 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
10029 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
10031 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
10032 VAR_DECL's in gp addressable sections.
10034 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
10036 * sparc.c: Change return <exp> to <exp>; return; in functions
10038 * sparc.md: Add empty semicolon statement after final label in
10041 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10043 * config/sparc/sparc.md (define_insn addx_extend): Rename to
10044 addx_extend_sp64, only allow when TARGET_ARCH64.
10045 (define_insn addx_extend_sp32 and split): Version that works when
10047 (define_insn subx_extend): Likewise.
10048 (define_split adddi3 and subdi3 with zero extension): Fixup and
10049 correct bugs when not TARGET_ARCH64.
10051 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
10053 * except.c (set_exception_lang_code, set_exception_version_code):
10054 Use prototype-style definition if __STDC__, to match declaration
10057 * genemit.c: Change FAIL and DONE macros not to use loops.
10059 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
10061 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
10062 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
10064 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
10066 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
10068 * README.g77: Update from Craig.
10070 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10072 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
10073 type HOST_WIDE_INT.
10074 (safe_constDI sparc_emit_set_const64_quick1,
10075 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
10076 analyze_64bit_constant, const64_is_2insns,
10077 create_simple_focus_bits): Fix some bugs when compiled on real
10079 (function_arg_record_value_3, function_arg_record_value_2,
10080 function_arg_record_value): Add fully prototyped forward decls.
10081 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
10082 to cmpsi_insn and use on both 64 and 32 bit targets.
10083 (define_insn cmpsi_insn_sp64): Remove.
10084 (define_expand zero_extendsidi2): Allow for 32-bit target too.
10085 (define_insn zero_extendsidi2_insn): Rename to
10086 zero_extendsidi2_insn_sp64.
10087 (define_insn zero_extendsidi2_insn_sp32): New pattern and
10088 assosciated forced split for it.
10090 * config/sparc/sparc.c (const64_operand, const64_high_operand):
10092 * config/sparc/sparc.h: Declare them.
10093 (PREDICATE_CODES): Add them.
10094 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
10095 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
10097 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
10099 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
10100 in v9 case as the latter makes the Solaris assembler crash.
10102 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10104 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
10105 for TFmode when !v9. We require offsettable memory addresses.
10106 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
10107 DFmode register number conversions.
10108 * config/sparc/sparc.md (define_split DFmode moves): If register
10109 is a SUBREG do alter_subreg on it before using.
10110 (define_expand movtf): Fixup comment about alignment on v9.
10111 (define_split TFmode moves): Don't use gen_{high,low}part, create
10112 explicit SUBREGs instead.
10114 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
10116 * Makefile.in (mbchar.o): Depend on mbchar.c.
10118 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10119 Richard Henderson <rth@cygnus.com>
10121 Rewrite Sparc backend for better code generation and
10122 improved sparc64 support.
10123 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
10125 * config/sparc/sysv4.h: Likewise.
10126 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
10127 move_operand, v8plus_regcmp_op, emit_move_sequence,
10128 singlemove_string, doublemove_string, mem_aligned_8,
10129 output_move_double, output_move_quad, output_fp_move_double,
10130 move_quad_direction, output_fp_move_quad, output_scc_insn):
10132 (small_int_or_double): New predicate.
10133 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
10134 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
10135 old pic_{sethi,lo_sum}_si patterns.
10136 (mem_min_alignment): New generic function to replace
10137 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
10138 available and can test for arbitrary alignments. All callers
10140 (save_regs, restore_regs, build_big_number,
10141 output_function_prologue, output_cbranch, output_return,
10142 sparc_flat_save_restore, sparc_flat_output_function_prologue,
10143 sparc_flat_output_function_epilogue): Prettify
10145 (output_function_epilogue): Likewise and add code to output
10146 deferred case vectors.
10147 (output_v9branch): Likewise, add new arg INSN and use it to tack
10148 on branch prediction settings. All callers changed.
10149 (print_operand): Likewise and output %l44 for LO_SUMs when
10151 (sparc_splitdi_legitimate): New function to make sure DImode
10152 splits can be run properly when !arch64.
10153 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
10154 Reformat example code in comments.
10155 (set_extends): Remove UNSPEC/v8plus_clear_high case.
10156 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
10157 of deferred case vectors we need to output.
10158 (sparc_defer_case_vector): Record a case vector.
10159 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
10160 sparc_output_deferred_case_vectors): New functions to output them.
10161 (sparc_emit_set_const32): New function to form 32-bit constants in
10162 registers when that requires more than one instruction.
10163 (safe_constDI, sparc_emit_set_const64_quick1,
10164 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
10165 analyze_64bit_constant, const64_is_2insns,
10166 create_simple_focus_bits, sparc_emit_set_const64): New functions
10167 which do the same for 64-bit constants when arch64.
10168 (sparc_emit_set_symbolic_const64): New function to emit address
10169 loading for all code models on v9.
10170 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
10171 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
10172 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
10173 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
10174 inaccuracies in comments, add symbolic and text_segment operands
10175 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
10176 GENERAL_REGS in these cases as a temp REG is needed to load these
10177 addresses into a register properly.
10178 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
10180 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
10181 quads are guarenteed to have 16-byte alignment.
10182 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
10183 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
10184 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
10185 deferred case vector implementation.
10186 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
10187 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
10188 Generate "internal label - label" instead of "label - 1b".
10189 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
10190 (PREDICATE_CODES): Remove sparc_operand, move_operand,
10191 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
10193 (doublemove_string, output_block_move, output_fp_move_double,
10194 output_fp_move_quad, output_move_double, output_move_quad,
10195 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
10196 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
10197 (sparc_emit_set_const32, sparc_emit_set_const64,
10198 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
10199 mem_min_alignment, small_int_or_double): Add externs.
10200 * config/sparc/sparc.md: Document the many uses of UNSPEC and
10201 UNSPEC_VOLATILE in this backend.
10202 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
10203 unary to types which execute in it.
10204 (define_function_unit ieu_shift): Rename to ieu0.
10205 (define_function_unit ieu1): New, executes compare, call, and
10206 uncond_branch type insns.
10207 (define_function_units for type fdivs, fdivd, fsqrt): These
10208 execute in the fpu multiply unit not the adder on UltraSparc.
10209 (define_expand cmpdi): Disallow TARGET_V8PLUS.
10210 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
10211 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
10212 allows the arith_double_operand predicate and rHI constraint when
10214 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
10215 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
10216 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
10217 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
10218 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
10219 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
10220 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
10221 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
10222 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
10223 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
10224 sign_extendqihi2_insn, sign_extendqisi2_insn,
10225 sign_extendqidi2_insn, sign_extendhidi2_insn,
10226 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
10227 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
10228 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
10229 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
10230 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
10231 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
10232 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
10233 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
10234 smulsi3_highpart_v8plus, unnamed subreg mult,
10235 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
10236 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
10237 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
10238 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
10239 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
10240 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
10241 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
10242 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
10243 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
10244 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
10245 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
10246 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
10247 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
10248 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
10249 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
10250 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
10251 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
10252 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
10253 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
10254 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
10255 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
10256 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
10257 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
10258 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
10259 call_address_untyped_struct_value_sp32,
10260 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
10261 call_value_symbolic_sp32, call_value_address_sp64,
10262 call_value_symbolic_sp64, branch_sp32, branch_sp64,
10263 flush_register_windows, goto_handler_and_restore,
10264 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
10265 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
10266 return_addsi, return_di, return_adddi, return_sf, all call+jump
10267 peepholes, trap, unnamed trap insns): Prettify output strings.
10268 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
10269 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
10270 Likewise and force + implement splits for integer cases.
10271 (define_insn return_sf_no_fpu): Likewise and allow to match when
10272 no-fpu because of our subreg SFmode splits.
10273 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
10274 zero_extendqidi2_insn, zero_extendhidi2_insn,
10275 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
10276 input_operand for second operand.
10277 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
10278 reg_or_0_operand for operand 2 so new splits can use it.
10279 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
10280 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
10282 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
10283 CONST_DOUBLEs for operand 2.
10284 (define_insn move_label_di): Likewise and label distance
10285 optimization because it no longer works with new deferred case
10286 vector scheme. To be revisited.
10287 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
10288 and allow reg_or_0_operand and J constraint for second operand.
10289 (define_insn jump): Set branch predict taken on V9.
10290 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
10291 new deferred case vector scheme.
10292 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
10293 (define_insn negdi2_sp32): Force + implement splits.
10294 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
10295 one_cmplsi2_not_liveg0 respectively, and create expander of original
10296 names which emit special rtl for TARGET_LIVE_G0.
10297 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
10298 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
10299 gen_compare_reg, FAIL instead.
10300 (define_insn sgtu, sleu): Likewise and check gen_s*() return
10301 values when trying to reverse condition codes, if they FAIL then
10303 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
10304 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
10305 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
10306 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
10307 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
10308 set output string to # to indicate they are mandatory splits.
10309 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
10310 pic_sethi_di, move_pic_label_si): Remove.
10311 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
10312 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
10314 (define_expand movsi_pic_label_ref, define_insn
10315 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
10316 expander and insns to handle PIC label references and deferred
10318 (define_insn get_pc_via_rdpc): Comment out as it is no longer
10320 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
10321 Rewrite to not use emit_move_sequence, make use of new constant
10322 formation code, and new splits for all multi-insn cases.
10323 (define_insn movqi_insn): Remove sethi case, it can never happen.
10324 Use reg_or_zero_operand instead of const0_rtx explicit test,
10325 use input_operand instead of move_operand for source, and use
10326 general_operand now for dest.
10327 (define_insn movhi_insn): Similar but leave sethi case.
10328 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
10329 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
10330 movhi_lo_sum respectively, prettify output string.
10331 (define_insn movsi_zero_liveg0): New pattern to put zero into a
10332 register when needed on TARGET_LIVE_G0.
10333 (define_insn movsi_insn): Use general_operand and input_operand
10334 for dest and src respectively. Simplify applicability test.
10335 Prettify output strings, and add clr alternative for J
10337 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
10338 deprecated std and reg-reg DI moves): Remove and...
10339 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
10340 implementation which uses forced splits for all non-single insn
10342 (define_split DI move cases on !arch64): New splits to handle all
10343 situations of 64-bit double register DImode on 32bit, and
10344 unaligned registers and memory addresses for all subtargets.
10345 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
10347 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
10348 input_operand for dest and src respectively, prettify output
10350 (define_insn movdf_insn, movdf_no_e_insn, store_df,
10351 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
10353 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
10354 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
10355 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
10356 movtf_no_e_insn_sp64) Replace with new
10357 implementation which uses forced splits for all non-single insn
10359 (define_split DF move cases): New splits in similar vein to DI
10361 (define_insn sethi_di_medlow, sethi_di_medium_pic,
10362 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
10363 movdi_sp64_insn): Remove old v9 code model and constant loading
10364 support insns and..
10365 (define_insn pic_lo_sum_di, pic_sethi_di,
10366 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
10367 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
10368 embmedany_sethi, embmedany_losum, embmedany_brsum,
10369 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
10370 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
10371 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
10372 scheme, using unspecs, secondary reloads, and one to one sparc
10373 insn to rtl insn mapping for better scheduling and code gen.
10374 (define_expand reload_indi, reload_outdi): Reload helpers for
10375 MEDANY and EMBMEDANY symbol address loading cases which require a
10376 temporary register.
10377 (define_expand movsicc): Remove v8plus_regcmp cases.
10378 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
10379 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
10380 cmp_diqi_trunc_set): New patterns used by some of the new scc
10382 (define_insn xordi3_sp64_dbl): New pattern used for constant
10383 formation when crossing from 32-bit targets.
10384 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
10386 (define_insn addx, subx): Make visible and prettify.
10387 (define_insn adddi3_insn_sp32): Likewise and force split.
10388 (define_insn addx_extend, subx_extend, unnamed): New patterns for
10389 64bit scc split usage.
10390 (define_insn unnamed plusDI zero_extend, unnamed minusDI
10391 zero_extend, subdi3): Force and implement splits.
10393 * final.c (final_scan_insn): Don't output labels if target
10394 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
10397 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
10398 don't forget to walk inside SEQUENCESs too as these are what the
10399 delay slot scheduler will create.
10401 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
10403 * alpha.md (extxl+1,+2): New patterns to work around
10406 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
10408 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
10409 caused bad assembly code to be generated.
10411 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
10413 * netbsd.h: Fix typo.
10415 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
10417 * config.sub: Fix typo.
10419 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
10421 * invoke.texi (Environment Variables): Typo: Change "ascpects"
10423 (Running Protoize): Typo: Change "ther" into "other".
10425 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
10427 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
10428 * m68k/netbsd.h: Likewise.
10429 * ns32k/netbsd.h: Likewise.
10430 * sparc/netbsd.h: Likewise.
10432 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
10434 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
10435 * ginclude/va-clipper.h (va_list): Likewise.
10437 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
10439 * rs6000.c (rs6000_override_options): If big endian and -Os, use
10440 load/store multiple instructions unless user overrides.
10442 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
10444 * ns32k/netbsd.h: Fix typo.
10446 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
10448 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
10449 labels with .debugsym if no parallel insns.
10451 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
10453 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
10454 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
10456 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
10458 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
10459 (AR_FOR_TARGET): Define.
10461 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
10463 * dyn-string.h: New file.
10464 * dyn-string.c: Likewise.
10465 * Makefile.in (OBJS): Add dyn-string.o.
10466 (dwarf2out.o): Add dyn-string.h dependency.
10467 (dyn-string.o): List dependencies.
10468 * dwarf2out.c: Include dyn-string.h.
10469 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
10470 (addr_const_to_string): Take a dyn_string_t, not a char* as a
10471 prototype. Use dyn_string_append rather than strcat, throughout.
10472 (addr_to_string): Use dyn_string_t.
10474 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
10476 Function entry/exit profiling instrumentation:
10477 * expr.h (profile_function_entry_libfunc,
10478 profile_function_exit_libfunc): Declare new variables.
10479 * optabs.c: Define them here.
10480 (init_optabs): Initialize them.
10481 * tree.h (struct tree_decl): New flag
10482 no_instrument_function_entry_exit.
10483 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
10484 * c-decl.c (duplicate_decls): Merge it.
10485 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
10486 (init_attributes): Use it for "no_instrument_function".
10487 (decl_attributes): Handle it, for functions that have not yet been
10488 compiled. Set decl flag.
10489 * flags.h (flag_instrument_function_entry_exit): Declare new
10491 * toplev.c (flag_instrument_function_entry_exit): Define it here.
10492 (f_options): New option "instrument-functions".
10493 * function.h (struct function): New field instrument_entry_exit.
10494 * function.c (current_function_instrument_entry_exit): New
10496 (push_function_context_to, pop_function_context_from): Save and
10498 (expand_function_start): Set current_ variable, maybe emit return
10499 label and entry profile call.
10500 (expand_function_end): Maybe emit exit profile call.
10502 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
10504 * i386.md (movqi): When optimizing a load of (const_int 1) into a
10505 NON_QI_REG_P, pretend the register is SImode.
10507 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
10509 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
10510 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
10511 manufacturer id for ns32k.
10512 * configure: Regenerated.
10513 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
10514 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
10515 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
10516 * config/m68k/netbsd.h: Same.
10517 * config/ns32k/netbsd.h: Same.
10518 * config/sparc/netbsd.h: Same.
10520 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
10522 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
10523 or UNROLL_COMPLETELY loop that starts with a jump to its
10526 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
10528 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
10529 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
10530 (print_operand, case 'B'): Don't fall through.
10531 (print_operand, case 'S'): Correct mask begin/end computation.
10532 Use HOST_BITS_PER_WIDE_INT.
10533 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
10534 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
10535 * rs6000/aix41.h (CPP_PREDEFINES): Same.
10536 * rs6000/aix43.h (CPP_PREDEFINES): Same.
10538 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
10540 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
10541 constraint from second alternative.
10543 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
10545 * configure.in: Fix --without/--disable cases for local-prefix,
10546 gxx-include-dir and checking.
10548 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10550 * configure.in (enable_haifa): Set by default for sparc64 too.
10551 configure: Rebuilt.
10553 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
10555 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
10556 * i386/winnt.c (associated_type): New fn.
10557 (i386_pe_valid_type_attribute_p): New fn.
10558 (i386_pe_check_vtable_importexport): Remove.
10559 (i386_pe_dllexport_p): Use associated_type.
10560 (i386_pe_dllimport_p): Likewise.
10562 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
10563 * i386.c (i386_valid_type_attribute_p): Also accept
10564 attributes for METHOD_TYPEs.
10566 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
10568 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
10570 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
10572 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
10574 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
10575 them from generating a new base name for each occurence of
10578 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
10580 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
10582 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
10586 * cplus-dem.c (type_kind_t): New type.
10587 (demangle_template_value_parm): Add type_kind_t parameter. Rely
10588 on this paramter, rather than demangling the type again.
10589 (demangle_integral_value): Pass tk_integral.
10590 (demangle_template_: Pass the value returned from do_type.
10591 (do_type): Return a type_kind_t. Pass tk_integral to
10592 demangle_template_value_parm for array bounds.
10593 (demangle_fund_type): Likewise.
10595 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
10597 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
10600 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
10602 * pa.c (move_operand): Accept CONSTANT_P_RTX.
10604 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
10606 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
10608 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
10611 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
10613 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
10614 (DEBUGGER_ARG_OFFSET): Likewise.
10616 * mn10300.md (movsf): Remove last change. Not needed.
10618 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
10620 * c-lex.c (yylex): Fix boundary conditions in character literal and
10621 string literal loops.
10623 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
10625 * longlong.h (count_leading_zeros): Sparclite scan instruction was
10626 being invoked incorrectly.
10628 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
10629 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
10631 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
10632 * configure.in: Added i[34567]86-*-win32
10633 * config.sub: Ditto.
10634 * configure: Rebuilt.
10636 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
10638 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
10639 the frame pointer and compiling PIC code and reload has not completed.
10641 * i386.c (output_to_reg): Add code to emulate non-popping DImode
10644 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
10646 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
10648 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10650 * Makefile.in (install-info): Only try to update the info
10651 directory file if it exists in the first place.
10653 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
10655 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
10657 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
10659 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
10660 CONST_DOUBLE source.
10662 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
10664 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
10665 strings as the insertion of USER_LABEL_PREFIX.
10666 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
10668 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
10671 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
10673 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
10674 already defined type.
10676 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
10678 * expr.c (check_max_integer_computation_mode): Allow conversions
10679 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
10680 (expand_expr): Likewise.
10682 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10684 * expr.c (expand_expr): Expand RETURN_EXPR.
10686 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
10688 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
10690 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
10692 * dwarf2out.c (output_aranges): Call stripattributes
10693 for TEXT_SECTION references.
10694 (output_line_info): Likewise.
10696 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10698 * profile.c (branch_prob): Call allocate_reg_info after outputting
10699 profile rtl in instrument_arcs.
10701 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
10703 * fixinc.irix (math.h): Install wrapper instead of copying.
10705 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10707 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
10708 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
10709 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
10710 lang_flag_0. Added documentation in the flag table.
10712 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
10714 * cccp.c (do_include): Fix vax c style include handling.
10716 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
10718 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
10720 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
10722 * fold-const.c (non_lvalue): Don't deal with null pointer
10724 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
10726 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
10728 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
10729 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
10730 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
10731 (u_short_cint_operand): Same.
10732 (reg_or_cint_operand): Same.
10733 (logical_operand): Same.
10734 (input_operand): Same.
10735 (reg_or_short_operand): Use u_short_cint_operand.
10737 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
10739 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
10740 but keep the insns and splits. Adjust so when the ultimate destination
10741 is memory, use cvtql.
10743 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
10745 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
10747 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
10749 * gcc.c (do_spec): Call "error" not "warning".
10751 * configure.in: Fix minor problems with gas feature detection code.
10752 * configure: Rebuilt.
10754 * gcc.c (do_spec): Issue a warning for '%[]' usage.
10756 * Undo this change.
10757 * gcc.c: Delete %[spec] support.
10758 (do_spec_1, case '('): Likewise.
10759 (do_spec_1, case '['): Call error.
10761 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
10763 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
10764 (CPP_SUBTARGET_SPEC): Default to empty string.
10765 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
10766 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
10767 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
10768 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
10770 * alpha/linux.h (CPP_PREDEFINES): Tidy.
10771 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
10772 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
10773 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
10774 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
10775 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
10776 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
10777 * alpha/vxworks.h: Likewise.
10779 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
10781 * mips.md (reload_outsi): Added missing REGNO call.
10782 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
10784 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
10785 another match_operator and compare the codes.
10787 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
10789 * MIPS multiply pattern fixes:
10790 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10791 Add union classes for HI, LO, or HILO plus general registers.
10792 (GENERATE_MADD): Deleted.
10793 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
10794 Add TARGET_MAD to condition.
10795 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
10796 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
10797 "*d" for accumulator, to give preference to LO initially but not
10800 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
10802 * configure.in (enable_c_mbchar): New configure option.
10803 (extra_cpp_objs): Always available now.
10805 * cexp.y (mbchar.h): #include it.
10806 (yylex): Handle Multibyte characters in character literals.
10808 * cccp.c (mbchar.h): #include it.
10809 (main): Set character set based on LANG environment variable.
10810 (rescan): Handle multibyte characters in comments.
10811 (skip_if_group): See above.
10812 (validate_else): See above.
10813 (skip_to_end_of_comment): See above.
10814 (macarg1): See above.
10815 (discard_comments): See above.
10816 (rescan): Handle multibyte characters in string and character literals.
10817 (collect_expansion): See above.
10818 (skip_quoted_string): See above.
10819 (macroexpand): See above.
10820 (macarg1): See above.
10821 (discard_comments): See above.
10822 (change_newlines): See above.
10824 * c-lex.c (mbchar.h): #include it.
10825 (GET_ENVIRONMENT): New macro.
10826 (init_lex): Set character set based on LANG environment variable.
10827 (yylex): Handle multibyte characters in character literals.
10828 (yylex): Handle multibyte characters in string literals.
10830 * Makefile.in (mbchar.o): New target.
10831 (cccp$(exeext)): @extra_cpp_objs@ is always available.
10832 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
10834 * mbchar.[ch]: New files for multibyte character handling.
10836 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10838 * jump.c (jump_optimize): When simplifying noop moves and
10839 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
10840 the PUSHes to rewrite in second loop as we did in the first.
10842 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10844 * cplus-dem.c (demangle_nested_args): Make function definition
10845 static to match the prototype.
10847 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
10849 * alloca.c: Respect USE_C_ALLOCA.
10850 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
10851 * gengenrtl.c (xmalloc): Likewise.
10853 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
10855 * loop.h (struct induction): Add no_const_addval.
10856 * loop.c (the_movables, reg_address_cost): New variables.
10857 (init_loop): Init reg_address_cost.
10858 (loop_optimize): Call end_alias_analysis.
10859 (scan_loop): Init the_movables.
10860 (record_giv): Init induction->no_const_addval.
10861 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
10862 [REG]: Rearrange loop search test to catch more cases.
10863 (general_induction_var): Return success not benefit; take an extra
10864 argument for that. Change all callers.
10865 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
10866 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
10867 [default]: Search the_movables for additional combinations.
10868 (sge_plus_constant, sge_plus): New functions.
10869 (express_from_1): New function.
10870 (express_from): Always define. Rewrite using express_from_1.
10871 (combine_givs_p): Handle more cases. Ignore address cost.
10872 (cmp_combine_givs_stats): New function.
10873 (combine_givs_used_once, combine_givs_benefit_from): New functions.
10874 (combine_givs): Rewrite to do best-fit combination.
10876 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
10877 (fold): Do a complete (A*C)+(B*C) association check.
10879 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
10881 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
10883 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
10885 * mn10300.c (MODES_TIEABLE_P): Fix typo.
10887 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
10889 * tree.c (valid_machine_attribute): Only create a new type variant if
10890 there is a decl to use it.
10892 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
10894 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
10897 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
10899 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
10902 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
10904 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
10905 Simplify tests for clearing an address register.
10906 (expand_prologue): Corresponding changes.
10908 * mn10300.md (movXX patterns): Make sure the destination is an
10909 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
10910 (logical patterns): Split into expanders + patterns
10911 (zero and sign extension patterns): Similarly.
10912 (shift patterns): Similarly.
10914 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
10916 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
10917 for the sequence, recording base values.
10919 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
10921 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
10923 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
10925 * gcc.c: Remove ANSI-C ism from --help code.
10927 * toplev.c: Support --help with USE_CPPLIB.
10929 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
10931 * configure.in: Rework gas feature code to work with symlink based
10934 * extend.texi: Clarify some issues related to local variables
10935 assigned to explicit registers.
10937 * mn10300.md (mulsi): Turn into expander + pattern.
10939 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
10942 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
10944 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
10946 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
10948 * version.c: Bump again to distinguish mainline tree from the
10951 See ChangeLog.0 for earlier changes.
10954 add-log-time-format: current-time-string