1 1998-09-03 SL Baur <steve@altair.xemacs.org>
3 * Makefile.in: add semicolon in BISON definition for portability.
5 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
7 * config/nextstep.c (handle_pragma): Correct name of third
10 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
12 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
13 * config/m32r/m32r.h: Make register 17 be fixed.
14 * config/m32r/m32r.c: Use SImode for cc operations.
16 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
18 * invoke.texi (Warning Options): Add -Wnon-template-friend
21 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
23 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
25 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
27 * rs6000.md (movsf): Disable explicit secondary-reload-like
28 functionality if TARGET_POWERPC64.
29 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
32 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
34 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
35 and term.h from fixinc.wrap.
37 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
39 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
40 safe to include both string.h and strings.h together.
41 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
42 which headers to search for function declarations. Continue to
43 prefer string.h over strings.h when both are not acceptable.
45 * acconfig.h (STRING_WITH_STRINGS): Add stub.
47 * configure.in: Call GCC_HEADER_STRING.
49 * system.h: Test STRING_WITH_STRINGS when deciding which headers
50 to include. Continue to prefer string.h over strings.h when both
53 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
55 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
56 not assume top 32-bits of symbolic addresses are zero if
59 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
61 * ginclude/va-alpha.h: Protect entire second portion of the
62 file against double inclusion.
64 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
66 Added support for the Boehm's garbage collector.
67 * configure.in: Handle --enable-objc-gc.
69 * Makefile.in (CHECK_TARGETS): Add check-objc.
70 (check-objc): New rule.
71 * objc/Make-lang.in: Build a different Objective-C library that
72 runs with the Boehm's collector.
73 * objc/encoding.c (objc_round_acc_size_for_types): New function.
74 * objc/encoding.c: Correctly compute the size of compound types in
75 the presence of bitfields. Skip the variable name of the type if
76 any. Added support for long long.
77 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
78 (_F_GCINVISIBLE): New mask.
79 * objc/gc.c: New file. Compute the type memory mask associated with
80 a class based on the runtime information.
81 * objc/misc.c: Added the hooks that use the Boehm's collector
83 * objc/objc-act.c (build_class_template): Generate a new class
84 member (gc_object_type) to hold the class' type memory mask.
85 (build_shared_structure_initializer): Initialize the new member to
87 (encode_complete_bitfield): New function. Generate the new
89 (encode_field_decl): Generate the new encoding only for the GNU
91 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
93 (class_get_gc_object_type): New function to mark a pointer instance
94 variable as a weak pointer.
95 * objc/objc-features.texi: New file.
96 * objc/objc.h (gc_object_type): New class member.
97 * objc/objects.c (class_create_instance): Create a typed memory
98 object when compiled with Boehm's collector support.
99 * objc/sendmsg.c (__objc_init_install_dtable): Call
100 __objc_send_initialize instead of setting the initialize flag.
101 (__objc_send_initialize): Call __objc_generate_gc_type_description
102 to generate the class type memory mask. Rewrite the code that
103 sends the +initialize so that it is called only once (bug report
104 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
105 * testsuite/objc: New testsuite for Objective-C type encoding.
106 * testsuite/lib/objc-torture.exp: New file.
107 * testsuite/lib/objc.exp: New file.
109 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
111 * jump.c (jump_optimize): In if/then/else transformations, add
112 another call to modified_between_p for the jump insn.
114 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
116 * fix-header.c (symlink): Treat like readlink.
118 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
120 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
123 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
125 * config/nextstep.h: Update HANDLE_PRAGMA macro.
126 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
127 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
129 * config/nextstep.c (handle_pragma): Take three arguments, as per
130 the new HANDLE_PRAGMA macro specification.
131 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
132 per the new HANDLE_PRAGMA macro specification.
133 * config/i960/i960.c (process_pragma): Take three arguments, as
134 per the new HANDLE_PRAGMA macro specification.
136 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
138 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
139 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
140 if unknown pragmas are encountered.
141 (handle_sysv_pragma): Interpret return code from
142 handle_pragma_token (). Return success/failure indication rather
143 than next unprocessed character.
144 (pragma_getc): New function: retrieves characters from the
145 input stream. Defined when HANDLE_PRAGMA is enabled.
146 (pragma_ungetc): New function: replaces characters back into the
147 input stream. Defined when HANDLE_PRAGMA is enabled.
149 * c-pragma.c (handle_pragma_token): Return success/failure status
152 * c-pragma.h: Change prototype of handle_pragma_token().
154 * varasm.c: (handle_pragma_weak): Only create this function if
155 HANDLE_PRAGMA_WEAK is defined.
157 * c-common,c (decl_attributes): If defined call the expression
158 contained within the INSERT_ATTRIBUTES macro before adding
159 attributes to a decl.
161 * tm.texi (HANDLE_PRAGMA): Document the new verion of
162 HANDLE_PRAGMA, which takes three arguments.
163 (INSERT_ATTRIBUTES): Document this new macro.
165 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
166 new INSERT_ATTRIBUTES macro.
168 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
170 * config/sparc/sparc.md (movdf): Only generate special RTL for
172 (move_label_di): Remove
173 (movdi_pic_label_ref, movdi_high_pic_label_ref,
174 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
176 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
177 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
178 output an .xword for all 64-bit cases.
180 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
182 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
183 alignment, use FUNCTION_BOUNDARY instead.
184 (sparc_output_deferred_case_vectors): Likewise.
186 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
188 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
189 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
191 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
193 * alpha/va_list.h: New file.
194 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
196 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
198 * NEWS: Add SCO Openserver and Unixware 7 notes.
202 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
204 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
205 (record_constant_1): Handle RANGE_EXPR.
207 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
209 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
210 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
211 and NOTE_INSN_RANGE_END specially.
212 (reemit_notes): Likewise.
214 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
216 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
217 (ultrasparc_sched_init): Remove unneeded &.
219 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
221 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
222 for m68020-60, to prevent the use of fintrz.
224 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
226 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
228 * Makefile.in: Likewise.
229 * configure: Regenerated.
231 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
233 * configure.in (gxx_include_dir): Changed to
234 '${prefix}/include/g++'-${libstdcxx_interface}.
235 * configure: Rebuilt.
237 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
239 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
241 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
242 *sequences* *below* which scalar moves will be used.
244 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
246 * collect2.c (mktemp): Delete unused declaration.
248 * config/xm-netbsd.h: Remove unnecessary file.
249 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
250 file anymore, it is not needed.
252 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
254 * convert.c (convert_to_integer): Issue an error on conversions to
257 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
259 * Makefile.in: Add lang_tree_files and gencheck.h.
260 * configure.in: Generate them.
261 * gencheck.c: Include gencheck.h.
263 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
265 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
266 movdi_lo_sum_pic and movdi_high_pic and make visible.
267 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
268 emit these when Pmode is not SImode.
269 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
271 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
273 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
274 .linkonce directive after the first time.
276 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
278 * m68k.md (beq0_di): Generate correct (and more efficient) code when
279 the clobbered operand overlaps with an input.
280 (bne0_di): Similarly.
282 * Makefile.in (INSTALL): Remove "--no-header" argument.
284 * NEWS: Various updates.
286 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
288 * config/sparc/sparc.c (arith_operand, const64_operand,
289 const64_high_operand, arith_double_4096_operand): Mark mode as
291 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
293 (sparc_emit_set_const64): Remove unused variable i.
294 (sparc_splitdi_legitimate): Likewise for addr_part.
295 (ultra_code_from_mask): Likewise for mask.
296 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
297 reverse return values so it matches usage and comments.
298 (ultra_flush_pipeline): Likewise.
299 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
300 this_type, and allow loads and stores of differing FP modes as
301 they do not create a conflict.
302 (ultra_find_type): Initialize fpmode to SFmode, fix
303 parenthesization thinkos in large conditional.
304 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
305 Init free_slot_mask after ultra_cur_hist is reset, not before.
306 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
307 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
308 use ultra_flush_pipeline instead, then re-init group pointer.
309 Fix statement with no effect. If no progress made in, and no
310 instructions scheduled at all, advance to new pipeline cycle else
311 we get into an endless loop.
312 (ultrasparc_adjust_cost): Remove previous arg.
313 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
315 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
317 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
318 code. Use reg_overlap_mentioned_p to detect when source and
320 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
322 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
324 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
325 COMPARISON_VAL, into invariant_p.
327 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
329 * regmove.c (regclass_compatible_p): New function.
330 (regmove_optimize): Use it.
332 Use NREGS parameter insted of calling max_reg_num.
334 (fixup_match_1): Don't use code = MINUS when later tieing with
335 a hard register is likely.
337 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
339 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
340 COMPARISON_VAL was normalized.
342 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
344 * loop.c (check_dbra_loop): The loop ending comparison value
345 must be an invariant or we can not reverse the loop.
347 * loop.c (scan_loop): Count down from max_reg_num - 1 to
348 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
350 (load_mems_and_recount_loop_regs_set): Likewise.
352 * i386.c (print_operand): Remove obsolete 'c' docs.
354 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
356 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
357 * frame.c (init_object_mutex): New function.
358 (init_object_mutex_once): Likewise.
360 (__register_frame_info): Likewise.
361 (__register_frame_info_table): Likewise.
362 (__deregister_frame_info): Likewise.
364 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
366 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
368 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
370 * loop.c (check_dbra_loop): Enable code for reversal
371 of some loops without a known constant loop end.
373 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
375 * haifa-sched.c (last_clock_var): New.
376 (schedule_block): Initialize it.
377 (schedule_insn): Use it to fill insn modes with issue information.
379 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
380 Tag trapb and next insn with TImode.
381 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
382 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
383 Invoke alphaev5_align_insns as appropriate.
384 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
385 (MD_SCHED_VARIABLE_ISSUE): New.
386 * alpha.md (attr type): Add multi.
387 (define_asm_attributes): New.
388 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
389 (arg_home): Likewise.
390 (fnop, unop, realign): New.
392 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
394 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
395 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
397 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
398 (rs6000-ibm-aix4.[12]*): Likewise.
399 * configure: Regnerate.
401 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
403 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
404 already contains the return address.
406 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
408 * calls.c (expand_call): Use bitfield instructions to extract/deposit
409 word sized hunks when loading unaligned args into registers.
411 * haifa-sched.c (sched_analyze_insn): Only create scheduling
412 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
414 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
416 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
418 * loop.c (check_dbra_loop): Add some code that would allow reversal
419 of some loops without a known constant loop end if it were enabled.
421 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
423 * mips.md (lshrsi3_internal2+2): Fix type-o.
425 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
427 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
428 correctly with regards to stdio.h.
430 * calls.c: Remove stdarg.h/varargs.h.
433 * combine.c: Likewise.
434 * cpperror.c: Likewise.
435 * cpplib.c: Likewise.
436 * cpplib.h: Likewise.
437 * doprint.c: Likewise.
438 * emit-rtl.c: Likewise.
440 * fix-header.c: Likewise.
442 * genattr.c: Likewise.
443 * genattrtab.c: Likewise.
444 * gencodes.c: Likewise.
445 * genconfig.c: Likewise.
446 * genemit.c: Likewise.
447 * genextract.c: Likewise.
448 * genflags.c: Likewise.
449 * genopinit.c: Likewise.
450 * genoutput.c: Likewise.
451 * genpeep.c: Likewise.
452 * genrecog.c: Likewise.
453 * mips-tfile.c: Likewise.
454 * prefix.c: Likewise.
455 * protoize.c: Likewise.
456 * regmove.c: Likewise.
457 * toplev.c: Likewise.
460 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
462 * config/sparc/sparc.c (sparc_override_options): If not
463 TARGET_FPU, turn off TARGET_VIS.
464 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
465 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
466 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
467 (movdi_insn_sp64): Add VIS fzero alternative.
468 (clear_sf, clear_df): New VIS patterns.
469 (movsf, movdf expanders): Allow fp_zero_operand flat out when
471 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
473 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
475 * loop.c (n_times_set, n_times_used, may_not_optimize,
476 reg_single_usage): Convert to varrays. All uses changed.
477 (insert_loop_mem): Return a value.
478 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
479 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
482 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
485 * configure.in: Do not set thread_file to "irix" since no such
488 * sparc.md (float abs/neg splits): Check reload_completed before
489 calling alter_subreg.
491 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
493 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
495 * config/sparc/sparc.h: Declare it.
496 * config/sparc/sparc.md (float abs/neg splits): Use it.
497 (all other splits): Handle SUBREGs properly where necessary.
498 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
500 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
502 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
503 an insn on the unfilled_slots_list that has no delay slots.
504 (fill_eager_delay_slots): Similarly.
506 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
508 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
509 as an ordinary operand.
511 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
513 * tree.c (valid_machine_attribute): Don't apply attributes to both
516 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
518 * reload.c (operands_match_p): Handle rtvecs.
520 * i386.c (legitimate_pic_address_disp_p): New.
521 (legitimate_address_p): Use it.
522 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
523 Handle constant pool symbols just like statics.
524 (emit_pic_move): Use Pmode not SImode for clarity.
525 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
526 [UNSPEC]: New, handling what we killed above.
527 [PLUS]: Detect and abort on invalid symbol arithmetic.
528 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
530 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
532 * alias.c: Include output.h.
533 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
534 different if we're in a varargs function.
535 * Makefile.in (alias.o): Depend on output.h
537 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
539 * sh.h (GIV_SORT_CRITERION): Delete.
541 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
543 * regclass.c (regclass): Use xmalloc/free instead of alloca.
544 * stupid.c (stupid_life_analysis): Ditto.
545 * reload1.c (reload): Ditto.
547 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
549 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
550 arith_double_4096_operand, arith_double_add_operand): New
552 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
553 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
554 them to transform add/sub 4096 into add/sub -4096.
556 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
558 * loop.c (scan_loop): Allocate some slop to handle pseudos
559 generated by move_movables.
560 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
563 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
565 * tree.def (DECL_RESULT): Correct documentation.
567 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
569 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
570 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
571 conflicts will all RELOAD_FOR_OUTPUT reloads.
573 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
574 loads the function result, substitute with a USE.
576 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
578 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
579 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
580 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
581 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
582 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
583 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
585 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
586 'o' to 'm' for GPR variant constraints.
588 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
590 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
592 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
594 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
595 when the source and destination overlap.
597 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
598 clash with global type.
600 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
602 * fixinc.irix: Add curses.h handling from fixinc.wrap.
604 * c-common.c (combine_strings): Also set TREE_READONLY.
605 Change warn_write_strings to flag_const_strings.
606 * c-decl.c, c-tree.h: Likewise.
608 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
610 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
611 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
612 sequence, use SET/IOR instead so CSE can see it.
613 * config/sparc/sparc.md (movhi_const64_special,
614 movsi_const64_special): New patterns necessitated by that change.
615 (movhi_high): Remove.
616 (movhi_lo_sum): Change to match an IOR.
617 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
618 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
619 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
620 (movdf splits): Allow when not V9 or when not ARCH64 and integer
621 registers are involved.
622 (snesi_zero_extend split): Remove reload_completed test.
623 (unnamed plus and minus zero_extend sidi splits): Add it.
625 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
627 * extend.texi: Remove description of extension to explicit
628 instantiation that is now endorsed by standard C++.
630 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
632 * config/arc/arc.c (arc_initialize_pic): Remove.
633 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
634 nothing on any platform and is invoked by no-one, it does not even
635 appear in the documentation.
636 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
637 * config/sparc/sparc.c (initialize_pic): Likewise.
638 (find_addr_reg): Remove this as well, no longer referenced after
641 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
643 * recog.c (validate_replace_rtx_group): New function.
644 * recog.h (validate_replace_rtx_group): Declare it.
645 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
646 the entire group of substitutions.
648 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
650 * loop.c (load_mems): Fix initializers.
652 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
654 * config/sparc/sparc.md (TFmode splits): Handle destination
655 registers being referenced in the address correctly.
657 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
658 TREE_UNSIGNED, when bitsize of type's mode is larger than
659 HOST_BITS_PER_WIDE_INT.
661 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
663 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
664 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
665 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
667 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
670 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
672 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
673 * h8300.h (TINY_DATA_NAME_P): Likewise.
674 (STRIP_NAME_ENCODING): Handle '&'.
676 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
677 register (it could be accessed via an outer SUBREG).
678 (REG_OK_FOR_BASE_P): Likewwise.
679 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
681 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
684 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
686 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
688 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
689 must be offsettable so the splits can be made.
691 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
693 * config/i386/winnt.c: Include system.h, not stdio.h to get
694 sys/param.h pulled in before rtl.h in case the system defines MIN
697 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
699 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
701 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
703 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
705 * cpplib.c (cpp_define): Handle macros with parameters.
707 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
709 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
710 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
711 and DImode 64-bit. Use llong for minimal-toc SFmode and
712 SYMBOL_REF / LABEL_REF 64-bit.
713 (output_function_profiler): Use llong for profiler label and ld to
714 load 64-bit label address.
716 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
718 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
721 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
723 * version.c: Bump for snapshot.
725 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
727 * version.c: Bump for snapshot.
729 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
731 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
733 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
735 * tm.texi (Misc): Fix typo "teh".
737 * tm.texi (PIC): Fix typo "PPIC".
739 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
740 effect when -O2 and higher.
741 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
743 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
745 * regclass.c: Changed register set documentation to be consistent
748 * final.c (final_start_function) Removed redundant test for
751 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
753 * rtl.h (rtx_function): New type.
754 (for_each_rtx): New function.
755 * rtlanal.c (for_each_rtx): Define it.
757 * recog.c (change_t): New type.
758 (change_objects, change_old_codes, change_locs, change_olds):
760 (changes): New variable.
761 (validate_change): Dynamically allocate room for more changes, if
762 necessary. Uses changes array instead of change_objects, etc.
763 (apply_change_group): Use changes array instead of
766 * loop.c (loop_mem_info): New type.
767 (loop_mems): New variable.
768 (loop_mems_idx): Likewise.
769 (looop_mems_allocated): Likewise.
770 (scan_loop): Remove nregs parameter.
771 (next_insn_in_loop): New function.
772 (load_mems_and_recount_loop_regs_set): Likewise.
773 (load_mems): Likewise.
774 (insert_loop_mem): Likewise.
775 (replace_loop_mem): Likewise.
776 (replace_label): Likewise.
777 (INSN_IN_RANGE_P): New macro.
778 (loop_optimize): Don't pass max_reg_num() to scan_loop.
779 (scan_loop): Remove nregs parameter, compute it after any new
780 registers are created by load_mems. Use INSN_IN_RANGE_P and
781 next_insn_in_loop rather than expanding them inline. Call
782 load_mems to load memory into pseudos, if appropriate.
783 (prescan_loop): Figure out whether or not there are jumps from the
784 loop to targets other than the label immediately following the
785 loop. Call insert_loop_mem to notice all the MEMs used in the
786 loop, if it could be safe to pull MEMs into REGs for the duration
788 (strength_reduce): Use next_insn_in_loop. Tweak comments.
790 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
792 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
794 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
796 * config/sparc/sparc.c (finalize_pic): Check for the correct
797 nonlocal_goto_receiver UNSPEC number.
798 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
799 making note of this dependency existing in sparc.c
800 (negtf2_notv9 split): Give NEG SFmode.
801 (negsf2): Fix insn output string.
803 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
805 * c-common.c (decl_attributes): Issue an error if the argument
806 to alias is not a string.
808 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
810 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
811 pending memory flush list.
813 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
815 (try_combine): Allow combining insns with REG_LIBCALL notes.
817 * expr.c (emit_block_move): Do not call memcpy as a libcall
818 instead build up a CALL_EXPR and call it like any other
820 (clear_storage): Similarly for memset.
822 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
825 * Makefile.in (cplus-dem.o): Provide explicit rules for building
828 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
829 and REG_LIVE_LENGTH as successful substitutions are made.
831 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
833 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
834 statement after end of loop label.
836 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
838 * config/sparc/sparc.c (ultra_types_avail): New variable.
839 (ultra_build_types_avail): New function to record mask of insn
840 types in ready list at this cycle.
841 (ultrasparc_sched_reorder): Call it.
842 (ultra_find_type): Use it to quicken the search. Also simplif
843 dependency check, don't use rtx_equal_p because we know exactly
844 what we are looking for.
846 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
848 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
851 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
853 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
855 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
856 movdf_const_intreg and helper splits): New patterns to move float
857 constants into integer registers.
858 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
861 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
864 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
866 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
868 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
869 a BASE_REGS register is needed as an intermediate when copying
870 a symbolic value into any register class other than BASE_REGS.
872 * expr.c (move_by_pieces): No longer static. Remove prototype.
873 * rtl.h (move_by_pieces): Add extern prototype.
874 * mips.c (expand_block_move): Handle aligned straight line copy by
875 calling move_by_pieces.
877 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
880 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
882 * stmt.c (expand_end_loop): Tidy. Allow unconditional
883 jumps out of the loop to be treated as part of the exit test.
885 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
886 Jeff Law <law@cygnus.com>
888 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
889 * cplus-dem.c: Delete.
891 * Makefile.in (fold-const.o): depend on $(RTL_H).
893 * fold-const.c: Include rtl.h to get the prototype for
894 `set_identifier_local_value'.
896 * loop.c (express_from_1): Remove unused variable `tmp'.
897 (combine_givs): cast the first argument of bzero to char *.
899 * toplev.c (display_help): Remove unused variable `looking_for_start'.
901 * c-decl.c (init_decl_processing): Remove unneeded &.
903 * alpha.h (alpha_initialize_trampoline): Provide prototype.
905 * except.c (set_exception_lang_code, set_exception_version_code):
906 Change parameter from `short' to `int' to avoid using a gcc
909 * except.h (set_exception_lang_code, set_exception_version_code):
910 Likewise for prototypes.
912 * flow.c (count_reg_references): Remove unused variables `regno'
915 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
917 * prefix.c (translate_name): Cast the result of `alloca'.
919 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
921 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
923 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
925 (valid_dbcc_comparison_p): Mark mode argument as unused.
926 (symbolic_operand): Likewise.
927 (legitimize_pic_address): Likewise.
928 (const_uint32_operand): Likewise.
929 (const_sint32_operand): Likewise.
930 * sched.c [!INSN_SCHEDULING]: Define only dummy function
931 schedule_insns and comment out rest of file.
933 * m68k.c (output_move_simode_const): Use subl to move a zero into an
935 (output_move_[hq]imode): Likewise.
937 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
939 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
940 * invoke.texi: Corresponding changes.
942 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
944 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
946 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
948 * config/sparc/sparc.c (ultra_code_from_mask,
949 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
950 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
951 ultrasparc_sched_init, ultrasparc_variable_issue,
952 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
953 functions to describe UltraSPARC pipeline exactly to Haifa.
954 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
955 as there is nothing the scheduler can do about it. Indicate that
956 REG_DEP_OUTPUT's collide. Fixup formatting.
957 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
958 divide costs on Ultra for DImode.
959 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
961 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
962 ieuN and add call_no_delay_slot to type list.
963 (cti function unit): New unit for branches on UltraSPARC.
964 (subx/addx insns): Set type to misc.
965 (sidi zero/sign extension insns on arch64): Set type to shift.
966 (sign_extendhidi2_insn): Set type to sload.
968 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
970 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
971 (output_epilog): Use if != 0 for offset.
972 (rs6000_fatal_bad_address): Prepare for Intl.
973 * rs6000.h (rs6000_fatal_bad_address): Declare.
974 * rs6000.md (movsfcc, movdfcc): Use else if.
975 (elf_high): Use {liu|lis}.
976 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
977 (movsi): Use rs6000_fatal_bad_address.
979 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
981 * reload.c (find_equiv_reg): Reject equivalences separated
982 by a volatile instruction.
984 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
986 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
988 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
990 * alpha.md (movsicc): Fix mode mismatch.
992 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
994 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
996 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
998 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1000 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
1001 write-only modifier from operand 1 constraint.
1003 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1005 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
1006 emitting a XOR of -1 at the end, emit a NOT instead for combine's
1008 (sparc_emit_set_const64): Likewise, also when computing trailing
1009 bits do not negate low_bits and make fast_int an int.
1011 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
1013 * loop.c (add_label_notes): Do not ignore references to labels
1014 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
1015 * gcse.c (add_label_notes): Similarly.
1017 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
1019 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1020 (adddi_dishl32): Similarly.
1022 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1024 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1025 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1026 * cse.c (cse_basic_block): Add parens to shut up warnings.
1028 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1030 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1031 sparc_emit_set_const64_longway, const64_is_2insns,
1032 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1033 in 64-bit constant formation.
1034 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1035 rtl for addx not subx.
1036 (define_insn movdi_const64_special): Make available even when
1037 HOST_BITS_PER_WIDE_INT is not 64.
1038 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1039 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1040 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1041 instances of operand 1 inside a QI subreg.
1042 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1043 (one_cmpldi2_sp64): Fix output string.
1044 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1046 (unnamed arch64 ashift DI): Truncate shift count if greater than
1049 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1051 * expr.c (store_expr): Don't optimize away load-store pair
1052 when either source or destination have a side effect.
1054 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1056 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1057 operands of SET are incompatible.
1059 * alpha.md: Fix max and min patterns so modes of SET operands match.
1061 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1063 * configure.in: Avoid [[ by using test and changequote.
1064 * configure: Rebuild.
1066 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1068 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1070 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1071 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1072 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1073 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1074 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1075 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1076 Fix mismatching modes in SET operands.
1077 (conditional move patterns): Fix formatting.
1078 (unnamed subx arch64 pattern): Remove duplicate insn.
1080 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1082 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1083 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1084 (input_operand): Fixup test for what we accept for constant
1086 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1088 (safe_constDI): Remove.
1089 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1090 gen_safe_XOR64): New functions.
1091 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1092 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1094 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1095 available when HOST_BITS_PER_WIDE_INT is not 64.
1096 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1097 move before movdi_insn_sp64 pattern.
1098 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1099 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1100 symbolic_operand as predicate for second operand.
1101 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1102 expander): Give set VOIDmode.
1104 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1106 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1108 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1110 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1112 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1114 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1116 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1118 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1120 * install.texi: Various SCO OpenServer tweaks.
1122 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1124 * reload1.c (eliminate_regs_in_insn): Handle another case when
1125 eliminating the frame pointer to the hard frame pointer. Add
1126 missing ep->to_rtx check to one existing case.
1128 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1130 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1132 * tree.h: De-conditionalize init_priority code.
1134 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1135 * collect2.c (NM_FLAGS): Change from -p to -n.
1137 * configure.in: Turn on collect2 for mipstx39-elf.
1138 Handle use_collect2=no properly.
1140 * c-common.c: De-conditionalize init_priority code.
1141 * collect2.c (extract_init_priority, sort_ids): New fns.
1142 (main): Call sort_ids.
1143 Move sequence_number to file scope.
1145 * configure.in: Handle --enable-init-priority.
1146 * c-common.c (attrs): Add A_INIT_PRIORITY.
1147 (init_attributes, decl_attributes): Likewise.
1148 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
1149 * tree.c (get_file_function_name_long): Split out...
1150 (get_file_function_name): ...from here.
1152 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1154 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
1157 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1159 * toplev.c (display_help): Add braces to shut up warnings.
1160 * tree.c (simple_cst_equal): Likewise.
1162 * fold-const.c (non_lvalue): Don't deal with null pointer
1164 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1166 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
1167 of any size to a pointer.
1169 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
1171 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
1173 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
1175 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
1176 which will be saved.
1177 * mn10300.md (prologue insn): Only save registers which need saving.
1178 (epilogue insn): Similarly.
1180 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
1183 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
1185 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
1186 VAR_DECL's in gp addressable sections.
1188 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
1190 * sparc.c: Change return <exp> to <exp>; return; in functions
1192 * sparc.md: Add empty semicolon statement after final label in
1195 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1197 * config/sparc/sparc.md (define_insn addx_extend): Rename to
1198 addx_extend_sp64, only allow when TARGET_ARCH64.
1199 (define_insn addx_extend_sp32 and split): Version that works when
1201 (define_insn subx_extend): Likewise.
1202 (define_split adddi3 and subdi3 with zero extension): Fixup and
1203 correct bugs when not TARGET_ARCH64.
1205 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
1207 * except.c (set_exception_lang_code, set_exception_version_code):
1208 Use prototype-style definition if __STDC__, to match declaration
1211 * genemit.c: Change FAIL and DONE macros not to use loops.
1213 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
1215 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
1216 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
1218 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
1220 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
1222 * README.g77: Update from Craig.
1224 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1226 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
1228 (safe_constDI sparc_emit_set_const64_quick1,
1229 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1230 analyze_64bit_constant, const64_is_2insns,
1231 create_simple_focus_bits): Fix some bugs when compiled on real
1233 (function_arg_record_value_3, function_arg_record_value_2,
1234 function_arg_record_value): Add fully prototyped forward decls.
1235 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
1236 to cmpsi_insn and use on both 64 and 32 bit targets.
1237 (define_insn cmpsi_insn_sp64): Remove.
1238 (define_expand zero_extendsidi2): Allow for 32-bit target too.
1239 (define_insn zero_extendsidi2_insn): Rename to
1240 zero_extendsidi2_insn_sp64.
1241 (define_insn zero_extendsidi2_insn_sp32): New pattern and
1242 assosciated forced split for it.
1244 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1246 * config/sparc/sparc.h: Declare them.
1247 (PREDICATE_CODES): Add them.
1248 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
1249 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
1251 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
1253 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
1254 in v9 case as the latter makes the Solaris assembler crash.
1256 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1258 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
1259 for TFmode when !v9. We require offsettable memory addresses.
1260 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
1261 DFmode register number conversions.
1262 * config/sparc/sparc.md (define_split DFmode moves): If register
1263 is a SUBREG do alter_subreg on it before using.
1264 (define_expand movtf): Fixup comment about alignment on v9.
1265 (define_split TFmode moves): Don't use gen_{high,low}part, create
1266 explicit SUBREGs instead.
1268 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
1270 * Makefile.in (mbchar.o): Depend on mbchar.c.
1272 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1273 Richard Henderson <rth@cygnus.com>
1275 Rewrite Sparc backend for better code generation and
1276 improved sparc64 support.
1277 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
1279 * config/sparc/sysv4.h: Likewise.
1280 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
1281 move_operand, v8plus_regcmp_op, emit_move_sequence,
1282 singlemove_string, doublemove_string, mem_aligned_8,
1283 output_move_double, output_move_quad, output_fp_move_double,
1284 move_quad_direction, output_fp_move_quad, output_scc_insn):
1286 (small_int_or_double): New predicate.
1287 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
1288 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
1289 old pic_{sethi,lo_sum}_si patterns.
1290 (mem_min_alignment): New generic function to replace
1291 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
1292 available and can test for arbitrary alignments. All callers
1294 (save_regs, restore_regs, build_big_number,
1295 output_function_prologue, output_cbranch, output_return,
1296 sparc_flat_save_restore, sparc_flat_output_function_prologue,
1297 sparc_flat_output_function_epilogue): Prettify
1299 (output_function_epilogue): Likewise and add code to output
1300 deferred case vectors.
1301 (output_v9branch): Likewise, add new arg INSN and use it to tack
1302 on branch prediction settings. All callers changed.
1303 (print_operand): Likewise and output %l44 for LO_SUMs when
1305 (sparc_splitdi_legitimate): New function to make sure DImode
1306 splits can be run properly when !arch64.
1307 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
1308 Reformat example code in comments.
1309 (set_extends): Remove UNSPEC/v8plus_clear_high case.
1310 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
1311 of deferred case vectors we need to output.
1312 (sparc_defer_case_vector): Record a case vector.
1313 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
1314 sparc_output_deferred_case_vectors): New functions to output them.
1315 (sparc_emit_set_const32): New function to form 32-bit constants in
1316 registers when that requires more than one instruction.
1317 (safe_constDI, sparc_emit_set_const64_quick1,
1318 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1319 analyze_64bit_constant, const64_is_2insns,
1320 create_simple_focus_bits, sparc_emit_set_const64): New functions
1321 which do the same for 64-bit constants when arch64.
1322 (sparc_emit_set_symbolic_const64): New function to emit address
1323 loading for all code models on v9.
1324 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
1325 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
1326 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
1327 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
1328 inaccuracies in comments, add symbolic and text_segment operands
1329 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
1330 GENERAL_REGS in these cases as a temp REG is needed to load these
1331 addresses into a register properly.
1332 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
1334 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
1335 quads are guarenteed to have 16-byte alignment.
1336 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
1337 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
1338 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
1339 deferred case vector implementation.
1340 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
1341 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
1342 Generate "internal label - label" instead of "label - 1b".
1343 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
1344 (PREDICATE_CODES): Remove sparc_operand, move_operand,
1345 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
1347 (doublemove_string, output_block_move, output_fp_move_double,
1348 output_fp_move_quad, output_move_double, output_move_quad,
1349 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
1350 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
1351 (sparc_emit_set_const32, sparc_emit_set_const64,
1352 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
1353 mem_min_alignment, small_int_or_double): Add externs.
1354 * config/sparc/sparc.md: Document the many uses of UNSPEC and
1355 UNSPEC_VOLATILE in this backend.
1356 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
1357 unary to types which execute in it.
1358 (define_function_unit ieu_shift): Rename to ieu0.
1359 (define_function_unit ieu1): New, executes compare, call, and
1360 uncond_branch type insns.
1361 (define_function_units for type fdivs, fdivd, fsqrt): These
1362 execute in the fpu multiply unit not the adder on UltraSparc.
1363 (define_expand cmpdi): Disallow TARGET_V8PLUS.
1364 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
1365 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
1366 allows the arith_double_operand predicate and rHI constraint when
1368 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
1369 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
1370 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
1371 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
1372 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
1373 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
1374 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
1375 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
1376 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
1377 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
1378 sign_extendqihi2_insn, sign_extendqisi2_insn,
1379 sign_extendqidi2_insn, sign_extendhidi2_insn,
1380 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
1381 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
1382 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
1383 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
1384 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
1385 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
1386 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
1387 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
1388 smulsi3_highpart_v8plus, unnamed subreg mult,
1389 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
1390 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
1391 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
1392 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
1393 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
1394 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
1395 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
1396 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
1397 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
1398 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
1399 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
1400 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
1401 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
1402 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
1403 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
1404 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
1405 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
1406 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
1407 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
1408 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
1409 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
1410 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
1411 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
1412 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
1413 call_address_untyped_struct_value_sp32,
1414 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
1415 call_value_symbolic_sp32, call_value_address_sp64,
1416 call_value_symbolic_sp64, branch_sp32, branch_sp64,
1417 flush_register_windows, goto_handler_and_restore,
1418 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
1419 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
1420 return_addsi, return_di, return_adddi, return_sf, all call+jump
1421 peepholes, trap, unnamed trap insns): Prettify output strings.
1422 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
1423 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
1424 Likewise and force + implement splits for integer cases.
1425 (define_insn return_sf_no_fpu): Likewise and allow to match when
1426 no-fpu because of our subreg SFmode splits.
1427 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
1428 zero_extendqidi2_insn, zero_extendhidi2_insn,
1429 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
1430 input_operand for second operand.
1431 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
1432 reg_or_0_operand for operand 2 so new splits can use it.
1433 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
1434 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
1436 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
1437 CONST_DOUBLEs for operand 2.
1438 (define_insn move_label_di): Likewise and label distance
1439 optimization because it no longer works with new deferred case
1440 vector scheme. To be revisited.
1441 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
1442 and allow reg_or_0_operand and J constraint for second operand.
1443 (define_insn jump): Set branch predict taken on V9.
1444 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
1445 new deferred case vector scheme.
1446 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
1447 (define_insn negdi2_sp32): Force + implement splits.
1448 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
1449 one_cmplsi2_not_liveg0 respectively, and create expander of original
1450 names which emit special rtl for TARGET_LIVE_G0.
1451 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
1452 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
1453 gen_compare_reg, FAIL instead.
1454 (define_insn sgtu, sleu): Likewise and check gen_s*() return
1455 values when trying to reverse condition codes, if they FAIL then
1457 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
1458 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
1459 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
1460 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
1461 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
1462 set output string to # to indicate they are mandatory splits.
1463 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
1464 pic_sethi_di, move_pic_label_si): Remove.
1465 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
1466 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
1468 (define_expand movsi_pic_label_ref, define_insn
1469 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
1470 expander and insns to handle PIC label references and deferred
1472 (define_insn get_pc_via_rdpc): Comment out as it is no longer
1474 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
1475 Rewrite to not use emit_move_sequence, make use of new constant
1476 formation code, and new splits for all multi-insn cases.
1477 (define_insn movqi_insn): Remove sethi case, it can never happen.
1478 Use reg_or_zero_operand instead of const0_rtx explicit test,
1479 use input_operand instead of move_operand for source, and use
1480 general_operand now for dest.
1481 (define_insn movhi_insn): Similar but leave sethi case.
1482 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
1483 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
1484 movhi_lo_sum respectively, prettify output string.
1485 (define_insn movsi_zero_liveg0): New pattern to put zero into a
1486 register when needed on TARGET_LIVE_G0.
1487 (define_insn movsi_insn): Use general_operand and input_operand
1488 for dest and src respectively. Simplify applicability test.
1489 Prettify output strings, and add clr alternative for J
1491 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
1492 deprecated std and reg-reg DI moves): Remove and...
1493 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
1494 implementation which uses forced splits for all non-single insn
1496 (define_split DI move cases on !arch64): New splits to handle all
1497 situations of 64-bit double register DImode on 32bit, and
1498 unaligned registers and memory addresses for all subtargets.
1499 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
1501 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
1502 input_operand for dest and src respectively, prettify output
1504 (define_insn movdf_insn, movdf_no_e_insn, store_df,
1505 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
1507 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
1508 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
1509 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
1510 movtf_no_e_insn_sp64) Replace with new
1511 implementation which uses forced splits for all non-single insn
1513 (define_split DF move cases): New splits in similar vein to DI
1515 (define_insn sethi_di_medlow, sethi_di_medium_pic,
1516 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
1517 movdi_sp64_insn): Remove old v9 code model and constant loading
1519 (define_insn pic_lo_sum_di, pic_sethi_di,
1520 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
1521 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
1522 embmedany_sethi, embmedany_losum, embmedany_brsum,
1523 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
1524 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
1525 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
1526 scheme, using unspecs, secondary reloads, and one to one sparc
1527 insn to rtl insn mapping for better scheduling and code gen.
1528 (define_expand reload_indi, reload_outdi): Reload helpers for
1529 MEDANY and EMBMEDANY symbol address loading cases which require a
1531 (define_expand movsicc): Remove v8plus_regcmp cases.
1532 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
1533 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
1534 cmp_diqi_trunc_set): New patterns used by some of the new scc
1536 (define_insn xordi3_sp64_dbl): New pattern used for constant
1537 formation when crossing from 32-bit targets.
1538 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
1540 (define_insn addx, subx): Make visible and prettify.
1541 (define_insn adddi3_insn_sp32): Likewise and force split.
1542 (define_insn addx_extend, subx_extend, unnamed): New patterns for
1543 64bit scc split usage.
1544 (define_insn unnamed plusDI zero_extend, unnamed minusDI
1545 zero_extend, subdi3): Force and implement splits.
1547 * final.c (final_scan_insn): Don't output labels if target
1548 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
1551 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
1552 don't forget to walk inside SEQUENCESs too as these are what the
1553 delay slot scheduler will create.
1555 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
1557 * alpha.md (extxl+1,+2): New patterns to work around
1560 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
1562 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
1563 caused bad assembly code to be generated.
1565 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
1567 * netbsd.h: Fix typo.
1569 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
1571 * config.sub: Fix typo.
1573 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
1575 * invoke.texi (Environment Variables): Typo: Change "ascpects"
1577 (Running Protoize): Typo: Change "ther" into "other".
1579 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
1581 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
1582 * m68k/netbsd.h: Likewise.
1583 * ns32k/netbsd.h: Likewise.
1584 * sparc/netbsd.h: Likewise.
1586 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
1588 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
1589 * ginclude/va-clipper.h (va_list): Likewise.
1591 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
1593 * rs6000.c (rs6000_override_options): If big endian and -Os, use
1594 load/store multiple instructions unless user overrides.
1596 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
1598 * ns32k/netbsd.h: Fix typo.
1600 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
1602 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
1603 labels with .debugsym if no parallel insns.
1605 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
1607 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
1608 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
1610 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
1612 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
1613 (AR_FOR_TARGET): Define.
1615 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
1617 * dyn-string.h: New file.
1618 * dyn-string.c: Likewise.
1619 * Makefile.in (OBJS): Add dyn-string.o.
1620 (dwarf2out.o): Add dyn-string.h dependency.
1621 (dyn-string.o): List dependencies.
1622 * dwarf2out.c: Include dyn-string.h.
1623 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
1624 (addr_const_to_string): Take a dyn_string_t, not a char* as a
1625 prototype. Use dyn_string_append rather than strcat, throughout.
1626 (addr_to_string): Use dyn_string_t.
1628 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
1630 Function entry/exit profiling instrumentation:
1631 * expr.h (profile_function_entry_libfunc,
1632 profile_function_exit_libfunc): Declare new variables.
1633 * optabs.c: Define them here.
1634 (init_optabs): Initialize them.
1635 * tree.h (struct tree_decl): New flag
1636 no_instrument_function_entry_exit.
1637 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
1638 * c-decl.c (duplicate_decls): Merge it.
1639 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
1640 (init_attributes): Use it for "no_instrument_function".
1641 (decl_attributes): Handle it, for functions that have not yet been
1642 compiled. Set decl flag.
1643 * flags.h (flag_instrument_function_entry_exit): Declare new
1645 * toplev.c (flag_instrument_function_entry_exit): Define it here.
1646 (f_options): New option "instrument-functions".
1647 * function.h (struct function): New field instrument_entry_exit.
1648 * function.c (current_function_instrument_entry_exit): New
1650 (push_function_context_to, pop_function_context_from): Save and
1652 (expand_function_start): Set current_ variable, maybe emit return
1653 label and entry profile call.
1654 (expand_function_end): Maybe emit exit profile call.
1656 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
1658 * i386.md (movqi): When optimizing a load of (const_int 1) into a
1659 NON_QI_REG_P, pretend the register is SImode.
1661 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
1663 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
1664 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
1665 manufacturer id for ns32k.
1666 * configure: Regenerated.
1667 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
1668 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
1669 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
1670 * config/m68k/netbsd.h: Same.
1671 * config/ns32k/netbsd.h: Same.
1672 * config/sparc/netbsd.h: Same.
1674 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
1676 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
1677 or UNROLL_COMPLETELY loop that starts with a jump to its
1680 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
1682 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
1683 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
1684 (print_operand, case 'B'): Don't fall through.
1685 (print_operand, case 'S'): Correct mask begin/end computation.
1686 Use HOST_BITS_PER_WIDE_INT.
1687 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
1688 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
1689 * rs6000/aix41.h (CPP_PREDEFINES): Same.
1690 * rs6000/aix43.h (CPP_PREDEFINES): Same.
1692 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
1694 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
1695 constraint from second alternative.
1697 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1699 * configure.in: Fix --without/--disable cases for local-prefix,
1700 gxx-include-dir and checking.
1702 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1704 * configure.in (enable_haifa): Set by default for sparc64 too.
1707 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1709 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
1710 * i386/winnt.c (associated_type): New fn.
1711 (i386_pe_valid_type_attribute_p): New fn.
1712 (i386_pe_check_vtable_importexport): Remove.
1713 (i386_pe_dllexport_p): Use associated_type.
1714 (i386_pe_dllimport_p): Likewise.
1716 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
1717 * i386.c (i386_valid_type_attribute_p): Also accept
1718 attributes for METHOD_TYPEs.
1720 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
1722 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
1724 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
1726 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
1728 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
1729 them from generating a new base name for each occurence of
1732 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
1734 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
1736 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
1740 * cplus-dem.c (type_kind_t): New type.
1741 (demangle_template_value_parm): Add type_kind_t parameter. Rely
1742 on this paramter, rather than demangling the type again.
1743 (demangle_integral_value): Pass tk_integral.
1744 (demangle_template_: Pass the value returned from do_type.
1745 (do_type): Return a type_kind_t. Pass tk_integral to
1746 demangle_template_value_parm for array bounds.
1747 (demangle_fund_type): Likewise.
1749 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
1751 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
1754 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
1756 * pa.c (move_operand): Accept CONSTANT_P_RTX.
1758 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
1760 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
1762 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
1765 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
1767 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
1768 (DEBUGGER_ARG_OFFSET): Likewise.
1770 * mn10300.md (movsf): Remove last change. Not needed.
1772 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
1774 * c-lex.c (yylex): Fix boundary conditions in character literal and
1775 string literal loops.
1777 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
1779 * longlong.h (count_leading_zeros): Sparclite scan instruction was
1780 being invoked incorrectly.
1782 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
1783 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
1785 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
1786 * configure.in: Added i[34567]86-*-win32
1787 * config.sub: Ditto.
1788 * configure: Rebuilt.
1790 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
1792 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
1793 the frame pointer and compiling PIC code and reload has not completed.
1795 * i386.c (output_to_reg): Add code to emulate non-popping DImode
1798 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
1800 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
1802 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1804 * Makefile.in (install-info): Only try to update the info
1805 directory file if it exists in the first place.
1807 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
1809 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
1811 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
1813 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
1814 CONST_DOUBLE source.
1816 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
1818 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
1819 strings as the insertion of USER_LABEL_PREFIX.
1820 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
1822 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
1825 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
1827 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
1828 already defined type.
1830 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
1832 * expr.c (check_max_integer_computation_mode): Allow conversions
1833 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
1834 (expand_expr): Likewise.
1836 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1838 * expr.c (expand_expr): Expand RETURN_EXPR.
1840 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
1842 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
1844 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
1846 * dwarf2out.c (output_aranges): Call stripattributes
1847 for TEXT_SECTION references.
1848 (output_line_info): Likewise.
1850 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1852 * profile.c (branch_prob): Call allocate_reg_info after outputting
1853 profile rtl in instrument_arcs.
1855 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
1857 * fixinc.irix (math.h): Install wrapper instead of copying.
1859 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1861 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
1862 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
1863 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
1864 lang_flag_0. Added documentation in the flag table.
1866 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
1868 * cccp.c (do_include): Fix vax c style include handling.
1870 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1872 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
1874 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
1876 * fold-const.c (non_lvalue): Don't deal with null pointer
1878 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1880 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
1882 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
1883 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
1884 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
1885 (u_short_cint_operand): Same.
1886 (reg_or_cint_operand): Same.
1887 (logical_operand): Same.
1888 (input_operand): Same.
1889 (reg_or_short_operand): Use u_short_cint_operand.
1891 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
1893 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
1894 but keep the insns and splits. Adjust so when the ultimate destination
1895 is memory, use cvtql.
1897 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
1899 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
1901 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
1903 * gcc.c (do_spec): Call "error" not "warning".
1905 * configure.in: Fix minor problems with gas feature detection code.
1906 * configure: Rebuilt.
1908 * gcc.c (do_spec): Issue a warning for '%[]' usage.
1911 * gcc.c: Delete %[spec] support.
1912 (do_spec_1, case '('): Likewise.
1913 (do_spec_1, case '['): Call error.
1915 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
1917 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
1918 (CPP_SUBTARGET_SPEC): Default to empty string.
1919 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
1920 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
1921 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
1922 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
1924 * alpha/linux.h (CPP_PREDEFINES): Tidy.
1925 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
1926 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
1927 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
1928 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
1929 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
1930 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
1931 * alpha/vxworks.h: Likewise.
1933 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
1935 * mips.md (reload_outsi): Added missing REGNO call.
1936 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
1938 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
1939 another match_operator and compare the codes.
1941 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
1943 * MIPS multiply pattern fixes:
1944 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1945 Add union classes for HI, LO, or HILO plus general registers.
1946 (GENERATE_MADD): Deleted.
1947 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
1948 Add TARGET_MAD to condition.
1949 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
1950 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
1951 "*d" for accumulator, to give preference to LO initially but not
1954 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
1956 * configure.in (enable_c_mbchar): New configure option.
1957 (extra_cpp_objs): Always available now.
1959 * cexp.y (mbchar.h): #include it.
1960 (yylex): Handle Multibyte characters in character literals.
1962 * cccp.c (mbchar.h): #include it.
1963 (main): Set character set based on LANG environment variable.
1964 (rescan): Handle multibyte characters in comments.
1965 (skip_if_group): See above.
1966 (validate_else): See above.
1967 (skip_to_end_of_comment): See above.
1968 (macarg1): See above.
1969 (discard_comments): See above.
1970 (rescan): Handle multibyte characters in string and character literals.
1971 (collect_expansion): See above.
1972 (skip_quoted_string): See above.
1973 (macroexpand): See above.
1974 (macarg1): See above.
1975 (discard_comments): See above.
1976 (change_newlines): See above.
1978 * c-lex.c (mbchar.h): #include it.
1979 (GET_ENVIRONMENT): New macro.
1980 (init_lex): Set character set based on LANG environment variable.
1981 (yylex): Handle multibyte characters in character literals.
1982 (yylex): Handle multibyte characters in string literals.
1984 * Makefile.in (mbchar.o): New target.
1985 (cccp$(exeext)): @extra_cpp_objs@ is always available.
1986 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
1988 * mbchar.[ch]: New files for multibyte character handling.
1990 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1992 * jump.c (jump_optimize): When simplifying noop moves and
1993 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
1994 the PUSHes to rewrite in second loop as we did in the first.
1996 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1998 * cplus-dem.c (demangle_nested_args): Make function definition
1999 static to match the prototype.
2001 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
2003 * alloca.c: Respect USE_C_ALLOCA.
2004 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
2005 * gengenrtl.c (xmalloc): Likewise.
2007 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
2009 * loop.h (struct induction): Add no_const_addval.
2010 * loop.c (the_movables, reg_address_cost): New variables.
2011 (init_loop): Init reg_address_cost.
2012 (loop_optimize): Call end_alias_analysis.
2013 (scan_loop): Init the_movables.
2014 (record_giv): Init induction->no_const_addval.
2015 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
2016 [REG]: Rearrange loop search test to catch more cases.
2017 (general_induction_var): Return success not benefit; take an extra
2018 argument for that. Change all callers.
2019 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2020 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2021 [default]: Search the_movables for additional combinations.
2022 (sge_plus_constant, sge_plus): New functions.
2023 (express_from_1): New function.
2024 (express_from): Always define. Rewrite using express_from_1.
2025 (combine_givs_p): Handle more cases. Ignore address cost.
2026 (cmp_combine_givs_stats): New function.
2027 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2028 (combine_givs): Rewrite to do best-fit combination.
2030 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2031 (fold): Do a complete (A*C)+(B*C) association check.
2033 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2035 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2037 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2039 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2041 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2043 * tree.c (valid_machine_attribute): Only create a new type variant if
2044 there is a decl to use it.
2046 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2048 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2051 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2053 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2056 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2058 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2059 Simplify tests for clearing an address register.
2060 (expand_prologue): Corresponding changes.
2062 * mn10300.md (movXX patterns): Make sure the destination is an
2063 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2064 (logical patterns): Split into expanders + patterns
2065 (zero and sign extension patterns): Similarly.
2066 (shift patterns): Similarly.
2068 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2070 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2071 for the sequence, recording base values.
2073 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2075 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2077 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2079 * gcc.c: Remove ANSI-C ism from --help code.
2081 * toplev.c: Support --help with USE_CPPLIB.
2083 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2085 * configure.in: Rework gas feature code to work with symlink based
2088 * extend.texi: Clarify some issues related to local variables
2089 assigned to explicit registers.
2091 * mn10300.md (mulsi): Turn into expander + pattern.
2093 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2096 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2098 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2100 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2102 * version.c: Bump again to distinguish mainline tree from the
2105 See ChangeLog.0 for earlier changes.
2108 add-log-time-format: current-time-string