1 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
4 explicit rules for building. Similarly for alloca, vfprintf,
5 choose-temp and mkstemp, getopt, getopt1, and obstack.
6 (INCLUDES): Add $(srcdir)/../include.
7 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
8 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
10 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
12 * gcc.c (do_spec_1): [case 'o'] Account for
13 lang_specific_extra_outfiles.
14 (main): Correctly clear all slots in outfiles for
15 lang_specific_extra_outfiles. Set input_file_number before
16 calling lang_specific_pre_link.
18 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
20 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
22 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
24 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
26 (sparc_output_deferred_case_vectors): If no work to do, return.
27 Fix thinko in Sept 1 change.
29 1998-09-03 SL Baur <steve@altair.xemacs.org>
31 * Makefile.in: add semicolon in BISON definition for portability.
33 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
35 * config/nextstep.c (handle_pragma): Correct name of third
38 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
40 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
41 * config/m32r/m32r.h: Make register 17 be fixed.
42 * config/m32r/m32r.c: Use SImode for cc operations.
44 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
46 * invoke.texi (Warning Options): Add -Wnon-template-friend
49 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
51 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
53 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
55 * rs6000.md (movsf): Disable explicit secondary-reload-like
56 functionality if TARGET_POWERPC64.
57 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
60 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
62 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
63 and term.h from fixinc.wrap.
65 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
67 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
68 safe to include both string.h and strings.h together.
69 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
70 which headers to search for function declarations. Continue to
71 prefer string.h over strings.h when both are not acceptable.
73 * acconfig.h (STRING_WITH_STRINGS): Add stub.
75 * configure.in: Call GCC_HEADER_STRING.
77 * system.h: Test STRING_WITH_STRINGS when deciding which headers
78 to include. Continue to prefer string.h over strings.h when both
81 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
83 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
84 not assume top 32-bits of symbolic addresses are zero if
87 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
89 * ginclude/va-alpha.h: Protect entire second portion of the
90 file against double inclusion.
92 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
94 Added support for the Boehm's garbage collector.
95 * configure.in: Handle --enable-objc-gc.
97 * Makefile.in (CHECK_TARGETS): Add check-objc.
98 (check-objc): New rule.
99 * objc/Make-lang.in: Build a different Objective-C library that
100 runs with the Boehm's collector.
101 * objc/encoding.c (objc_round_acc_size_for_types): New function.
102 * objc/encoding.c: Correctly compute the size of compound types in
103 the presence of bitfields. Skip the variable name of the type if
104 any. Added support for long long.
105 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
106 (_F_GCINVISIBLE): New mask.
107 * objc/gc.c: New file. Compute the type memory mask associated with
108 a class based on the runtime information.
109 * objc/misc.c: Added the hooks that use the Boehm's collector
110 allocation functions.
111 * objc/objc-act.c (build_class_template): Generate a new class
112 member (gc_object_type) to hold the class' type memory mask.
113 (build_shared_structure_initializer): Initialize the new member to
115 (encode_complete_bitfield): New function. Generate the new
117 (encode_field_decl): Generate the new encoding only for the GNU
119 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
121 (class_get_gc_object_type): New function to mark a pointer instance
122 variable as a weak pointer.
123 * objc/objc-features.texi: New file.
124 * objc/objc.h (gc_object_type): New class member.
125 * objc/objects.c (class_create_instance): Create a typed memory
126 object when compiled with Boehm's collector support.
127 * objc/sendmsg.c (__objc_init_install_dtable): Call
128 __objc_send_initialize instead of setting the initialize flag.
129 (__objc_send_initialize): Call __objc_generate_gc_type_description
130 to generate the class type memory mask. Rewrite the code that
131 sends the +initialize so that it is called only once (bug report
132 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
133 * testsuite/objc: New testsuite for Objective-C type encoding.
134 * testsuite/lib/objc-torture.exp: New file.
135 * testsuite/lib/objc.exp: New file.
137 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
139 * jump.c (jump_optimize): In if/then/else transformations, add
140 another call to modified_between_p for the jump insn.
142 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
144 * fix-header.c (symlink): Treat like readlink.
146 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
148 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
151 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
153 * config/nextstep.h: Update HANDLE_PRAGMA macro.
154 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
155 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
157 * config/nextstep.c (handle_pragma): Take three arguments, as per
158 the new HANDLE_PRAGMA macro specification.
159 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
160 per the new HANDLE_PRAGMA macro specification.
161 * config/i960/i960.c (process_pragma): Take three arguments, as
162 per the new HANDLE_PRAGMA macro specification.
164 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
166 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
167 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
168 if unknown pragmas are encountered.
169 (handle_sysv_pragma): Interpret return code from
170 handle_pragma_token (). Return success/failure indication rather
171 than next unprocessed character.
172 (pragma_getc): New function: retrieves characters from the
173 input stream. Defined when HANDLE_PRAGMA is enabled.
174 (pragma_ungetc): New function: replaces characters back into the
175 input stream. Defined when HANDLE_PRAGMA is enabled.
177 * c-pragma.c (handle_pragma_token): Return success/failure status
180 * c-pragma.h: Change prototype of handle_pragma_token().
182 * varasm.c: (handle_pragma_weak): Only create this function if
183 HANDLE_PRAGMA_WEAK is defined.
185 * c-common,c (decl_attributes): If defined call the expression
186 contained within the INSERT_ATTRIBUTES macro before adding
187 attributes to a decl.
189 * tm.texi (HANDLE_PRAGMA): Document the new verion of
190 HANDLE_PRAGMA, which takes three arguments.
191 (INSERT_ATTRIBUTES): Document this new macro.
193 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
194 new INSERT_ATTRIBUTES macro.
196 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
198 * config/sparc/sparc.md (movdf): Only generate special RTL for
200 (move_label_di): Remove
201 (movdi_pic_label_ref, movdi_high_pic_label_ref,
202 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
204 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
205 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
206 output an .xword for all 64-bit cases.
208 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
210 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
211 alignment, use FUNCTION_BOUNDARY instead.
212 (sparc_output_deferred_case_vectors): Likewise.
214 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
216 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
217 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
219 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
221 * alpha/va_list.h: New file.
222 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
224 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
226 * NEWS: Add SCO Openserver and Unixware 7 notes.
230 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
232 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
233 (record_constant_1): Handle RANGE_EXPR.
235 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
237 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
238 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
239 and NOTE_INSN_RANGE_END specially.
240 (reemit_notes): Likewise.
242 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
244 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
245 (ultrasparc_sched_init): Remove unneeded &.
247 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
249 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
250 for m68020-60, to prevent the use of fintrz.
252 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
254 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
256 * Makefile.in: Likewise.
257 * configure: Regenerated.
259 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
261 * configure.in (gxx_include_dir): Changed to
262 '${prefix}/include/g++'-${libstdcxx_interface}.
263 * configure: Rebuilt.
265 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
267 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
269 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
270 *sequences* *below* which scalar moves will be used.
272 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
274 * collect2.c (mktemp): Delete unused declaration.
276 * config/xm-netbsd.h: Remove unnecessary file.
277 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
278 file anymore, it is not needed.
280 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
282 * convert.c (convert_to_integer): Issue an error on conversions to
285 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
287 * Makefile.in: Add lang_tree_files and gencheck.h.
288 * configure.in: Generate them.
289 * gencheck.c: Include gencheck.h.
291 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
293 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
294 movdi_lo_sum_pic and movdi_high_pic and make visible.
295 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
296 emit these when Pmode is not SImode.
297 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
299 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
301 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
302 .linkonce directive after the first time.
304 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
306 * m68k.md (beq0_di): Generate correct (and more efficient) code when
307 the clobbered operand overlaps with an input.
308 (bne0_di): Similarly.
310 * Makefile.in (INSTALL): Remove "--no-header" argument.
312 * NEWS: Various updates.
314 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
316 * config/sparc/sparc.c (arith_operand, const64_operand,
317 const64_high_operand, arith_double_4096_operand): Mark mode as
319 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
321 (sparc_emit_set_const64): Remove unused variable i.
322 (sparc_splitdi_legitimate): Likewise for addr_part.
323 (ultra_code_from_mask): Likewise for mask.
324 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
325 reverse return values so it matches usage and comments.
326 (ultra_flush_pipeline): Likewise.
327 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
328 this_type, and allow loads and stores of differing FP modes as
329 they do not create a conflict.
330 (ultra_find_type): Initialize fpmode to SFmode, fix
331 parenthesization thinkos in large conditional.
332 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
333 Init free_slot_mask after ultra_cur_hist is reset, not before.
334 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
335 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
336 use ultra_flush_pipeline instead, then re-init group pointer.
337 Fix statement with no effect. If no progress made in, and no
338 instructions scheduled at all, advance to new pipeline cycle else
339 we get into an endless loop.
340 (ultrasparc_adjust_cost): Remove previous arg.
341 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
343 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
345 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
346 code. Use reg_overlap_mentioned_p to detect when source and
348 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
350 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
352 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
353 COMPARISON_VAL, into invariant_p.
355 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
357 * regmove.c (regclass_compatible_p): New function.
358 (regmove_optimize): Use it.
360 Use NREGS parameter insted of calling max_reg_num.
362 (fixup_match_1): Don't use code = MINUS when later tieing with
363 a hard register is likely.
365 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
367 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
368 COMPARISON_VAL was normalized.
370 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
372 * loop.c (check_dbra_loop): The loop ending comparison value
373 must be an invariant or we can not reverse the loop.
375 * loop.c (scan_loop): Count down from max_reg_num - 1 to
376 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
378 (load_mems_and_recount_loop_regs_set): Likewise.
380 * i386.c (print_operand): Remove obsolete 'c' docs.
382 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
384 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
385 * frame.c (init_object_mutex): New function.
386 (init_object_mutex_once): Likewise.
388 (__register_frame_info): Likewise.
389 (__register_frame_info_table): Likewise.
390 (__deregister_frame_info): Likewise.
392 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
394 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
396 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
398 * loop.c (check_dbra_loop): Enable code for reversal
399 of some loops without a known constant loop end.
401 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
403 * haifa-sched.c (last_clock_var): New.
404 (schedule_block): Initialize it.
405 (schedule_insn): Use it to fill insn modes with issue information.
407 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
408 Tag trapb and next insn with TImode.
409 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
410 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
411 Invoke alphaev5_align_insns as appropriate.
412 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
413 (MD_SCHED_VARIABLE_ISSUE): New.
414 * alpha.md (attr type): Add multi.
415 (define_asm_attributes): New.
416 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
417 (arg_home): Likewise.
418 (fnop, unop, realign): New.
420 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
422 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
423 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
425 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
426 (rs6000-ibm-aix4.[12]*): Likewise.
427 * configure: Regnerate.
429 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
431 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
432 already contains the return address.
434 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
436 * calls.c (expand_call): Use bitfield instructions to extract/deposit
437 word sized hunks when loading unaligned args into registers.
439 * haifa-sched.c (sched_analyze_insn): Only create scheduling
440 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
442 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
444 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
446 * loop.c (check_dbra_loop): Add some code that would allow reversal
447 of some loops without a known constant loop end if it were enabled.
449 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
451 * mips.md (lshrsi3_internal2+2): Fix type-o.
453 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
455 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
456 correctly with regards to stdio.h.
458 * calls.c: Remove stdarg.h/varargs.h.
461 * combine.c: Likewise.
462 * cpperror.c: Likewise.
463 * cpplib.c: Likewise.
464 * cpplib.h: Likewise.
465 * doprint.c: Likewise.
466 * emit-rtl.c: Likewise.
468 * fix-header.c: Likewise.
470 * genattr.c: Likewise.
471 * genattrtab.c: Likewise.
472 * gencodes.c: Likewise.
473 * genconfig.c: Likewise.
474 * genemit.c: Likewise.
475 * genextract.c: Likewise.
476 * genflags.c: Likewise.
477 * genopinit.c: Likewise.
478 * genoutput.c: Likewise.
479 * genpeep.c: Likewise.
480 * genrecog.c: Likewise.
481 * mips-tfile.c: Likewise.
482 * prefix.c: Likewise.
483 * protoize.c: Likewise.
484 * regmove.c: Likewise.
485 * toplev.c: Likewise.
488 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
490 * config/sparc/sparc.c (sparc_override_options): If not
491 TARGET_FPU, turn off TARGET_VIS.
492 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
493 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
494 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
495 (movdi_insn_sp64): Add VIS fzero alternative.
496 (clear_sf, clear_df): New VIS patterns.
497 (movsf, movdf expanders): Allow fp_zero_operand flat out when
499 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
501 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
503 * loop.c (n_times_set, n_times_used, may_not_optimize,
504 reg_single_usage): Convert to varrays. All uses changed.
505 (insert_loop_mem): Return a value.
506 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
507 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
510 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
513 * configure.in: Do not set thread_file to "irix" since no such
516 * sparc.md (float abs/neg splits): Check reload_completed before
517 calling alter_subreg.
519 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
521 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
523 * config/sparc/sparc.h: Declare it.
524 * config/sparc/sparc.md (float abs/neg splits): Use it.
525 (all other splits): Handle SUBREGs properly where necessary.
526 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
528 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
530 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
531 an insn on the unfilled_slots_list that has no delay slots.
532 (fill_eager_delay_slots): Similarly.
534 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
536 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
537 as an ordinary operand.
539 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
541 * tree.c (valid_machine_attribute): Don't apply attributes to both
544 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
546 * reload.c (operands_match_p): Handle rtvecs.
548 * i386.c (legitimate_pic_address_disp_p): New.
549 (legitimate_address_p): Use it.
550 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
551 Handle constant pool symbols just like statics.
552 (emit_pic_move): Use Pmode not SImode for clarity.
553 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
554 [UNSPEC]: New, handling what we killed above.
555 [PLUS]: Detect and abort on invalid symbol arithmetic.
556 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
558 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
560 * alias.c: Include output.h.
561 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
562 different if we're in a varargs function.
563 * Makefile.in (alias.o): Depend on output.h
565 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
567 * sh.h (GIV_SORT_CRITERION): Delete.
569 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
571 * regclass.c (regclass): Use xmalloc/free instead of alloca.
572 * stupid.c (stupid_life_analysis): Ditto.
573 * reload1.c (reload): Ditto.
575 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
577 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
578 arith_double_4096_operand, arith_double_add_operand): New
580 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
581 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
582 them to transform add/sub 4096 into add/sub -4096.
584 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
586 * loop.c (scan_loop): Allocate some slop to handle pseudos
587 generated by move_movables.
588 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
591 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
593 * tree.def (DECL_RESULT): Correct documentation.
595 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
597 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
598 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
599 conflicts will all RELOAD_FOR_OUTPUT reloads.
601 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
602 loads the function result, substitute with a USE.
604 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
606 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
607 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
608 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
609 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
610 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
611 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
613 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
614 'o' to 'm' for GPR variant constraints.
616 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
618 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
620 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
622 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
623 when the source and destination overlap.
625 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
626 clash with global type.
628 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
630 * fixinc.irix: Add curses.h handling from fixinc.wrap.
632 * c-common.c (combine_strings): Also set TREE_READONLY.
633 Change warn_write_strings to flag_const_strings.
634 * c-decl.c, c-tree.h: Likewise.
636 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
638 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
639 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
640 sequence, use SET/IOR instead so CSE can see it.
641 * config/sparc/sparc.md (movhi_const64_special,
642 movsi_const64_special): New patterns necessitated by that change.
643 (movhi_high): Remove.
644 (movhi_lo_sum): Change to match an IOR.
645 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
646 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
647 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
648 (movdf splits): Allow when not V9 or when not ARCH64 and integer
649 registers are involved.
650 (snesi_zero_extend split): Remove reload_completed test.
651 (unnamed plus and minus zero_extend sidi splits): Add it.
653 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
655 * extend.texi: Remove description of extension to explicit
656 instantiation that is now endorsed by standard C++.
658 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
660 * config/arc/arc.c (arc_initialize_pic): Remove.
661 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
662 nothing on any platform and is invoked by no-one, it does not even
663 appear in the documentation.
664 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
665 * config/sparc/sparc.c (initialize_pic): Likewise.
666 (find_addr_reg): Remove this as well, no longer referenced after
669 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
671 * recog.c (validate_replace_rtx_group): New function.
672 * recog.h (validate_replace_rtx_group): Declare it.
673 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
674 the entire group of substitutions.
676 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
678 * loop.c (load_mems): Fix initializers.
680 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
682 * config/sparc/sparc.md (TFmode splits): Handle destination
683 registers being referenced in the address correctly.
685 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
686 TREE_UNSIGNED, when bitsize of type's mode is larger than
687 HOST_BITS_PER_WIDE_INT.
689 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
691 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
692 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
693 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
695 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
698 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
700 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
701 * h8300.h (TINY_DATA_NAME_P): Likewise.
702 (STRIP_NAME_ENCODING): Handle '&'.
704 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
705 register (it could be accessed via an outer SUBREG).
706 (REG_OK_FOR_BASE_P): Likewwise.
707 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
709 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
712 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
714 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
716 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
717 must be offsettable so the splits can be made.
719 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
721 * config/i386/winnt.c: Include system.h, not stdio.h to get
722 sys/param.h pulled in before rtl.h in case the system defines MIN
725 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
727 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
729 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
731 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
733 * cpplib.c (cpp_define): Handle macros with parameters.
735 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
737 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
738 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
739 and DImode 64-bit. Use llong for minimal-toc SFmode and
740 SYMBOL_REF / LABEL_REF 64-bit.
741 (output_function_profiler): Use llong for profiler label and ld to
742 load 64-bit label address.
744 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
746 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
749 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
751 * version.c: Bump for snapshot.
753 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
755 * version.c: Bump for snapshot.
757 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
759 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
761 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
763 * tm.texi (Misc): Fix typo "teh".
765 * tm.texi (PIC): Fix typo "PPIC".
767 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
768 effect when -O2 and higher.
769 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
771 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
773 * regclass.c: Changed register set documentation to be consistent
776 * final.c (final_start_function) Removed redundant test for
779 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
781 * rtl.h (rtx_function): New type.
782 (for_each_rtx): New function.
783 * rtlanal.c (for_each_rtx): Define it.
785 * recog.c (change_t): New type.
786 (change_objects, change_old_codes, change_locs, change_olds):
788 (changes): New variable.
789 (validate_change): Dynamically allocate room for more changes, if
790 necessary. Uses changes array instead of change_objects, etc.
791 (apply_change_group): Use changes array instead of
794 * loop.c (loop_mem_info): New type.
795 (loop_mems): New variable.
796 (loop_mems_idx): Likewise.
797 (looop_mems_allocated): Likewise.
798 (scan_loop): Remove nregs parameter.
799 (next_insn_in_loop): New function.
800 (load_mems_and_recount_loop_regs_set): Likewise.
801 (load_mems): Likewise.
802 (insert_loop_mem): Likewise.
803 (replace_loop_mem): Likewise.
804 (replace_label): Likewise.
805 (INSN_IN_RANGE_P): New macro.
806 (loop_optimize): Don't pass max_reg_num() to scan_loop.
807 (scan_loop): Remove nregs parameter, compute it after any new
808 registers are created by load_mems. Use INSN_IN_RANGE_P and
809 next_insn_in_loop rather than expanding them inline. Call
810 load_mems to load memory into pseudos, if appropriate.
811 (prescan_loop): Figure out whether or not there are jumps from the
812 loop to targets other than the label immediately following the
813 loop. Call insert_loop_mem to notice all the MEMs used in the
814 loop, if it could be safe to pull MEMs into REGs for the duration
816 (strength_reduce): Use next_insn_in_loop. Tweak comments.
818 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
820 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
822 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
824 * config/sparc/sparc.c (finalize_pic): Check for the correct
825 nonlocal_goto_receiver UNSPEC number.
826 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
827 making note of this dependency existing in sparc.c
828 (negtf2_notv9 split): Give NEG SFmode.
829 (negsf2): Fix insn output string.
831 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
833 * c-common.c (decl_attributes): Issue an error if the argument
834 to alias is not a string.
836 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
838 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
839 pending memory flush list.
841 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
843 (try_combine): Allow combining insns with REG_LIBCALL notes.
845 * expr.c (emit_block_move): Do not call memcpy as a libcall
846 instead build up a CALL_EXPR and call it like any other
848 (clear_storage): Similarly for memset.
850 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
853 * Makefile.in (cplus-dem.o): Provide explicit rules for building
856 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
857 and REG_LIVE_LENGTH as successful substitutions are made.
859 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
861 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
862 statement after end of loop label.
864 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
866 * config/sparc/sparc.c (ultra_types_avail): New variable.
867 (ultra_build_types_avail): New function to record mask of insn
868 types in ready list at this cycle.
869 (ultrasparc_sched_reorder): Call it.
870 (ultra_find_type): Use it to quicken the search. Also simplif
871 dependency check, don't use rtx_equal_p because we know exactly
872 what we are looking for.
874 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
876 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
879 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
881 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
883 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
884 movdf_const_intreg and helper splits): New patterns to move float
885 constants into integer registers.
886 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
889 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
892 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
894 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
896 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
897 a BASE_REGS register is needed as an intermediate when copying
898 a symbolic value into any register class other than BASE_REGS.
900 * expr.c (move_by_pieces): No longer static. Remove prototype.
901 * rtl.h (move_by_pieces): Add extern prototype.
902 * mips.c (expand_block_move): Handle aligned straight line copy by
903 calling move_by_pieces.
905 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
908 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
910 * stmt.c (expand_end_loop): Tidy. Allow unconditional
911 jumps out of the loop to be treated as part of the exit test.
913 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
914 Jeff Law <law@cygnus.com>
916 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
917 * cplus-dem.c: Delete.
919 * Makefile.in (fold-const.o): depend on $(RTL_H).
921 * fold-const.c: Include rtl.h to get the prototype for
922 `set_identifier_local_value'.
924 * loop.c (express_from_1): Remove unused variable `tmp'.
925 (combine_givs): cast the first argument of bzero to char *.
927 * toplev.c (display_help): Remove unused variable `looking_for_start'.
929 * c-decl.c (init_decl_processing): Remove unneeded &.
931 * alpha.h (alpha_initialize_trampoline): Provide prototype.
933 * except.c (set_exception_lang_code, set_exception_version_code):
934 Change parameter from `short' to `int' to avoid using a gcc
937 * except.h (set_exception_lang_code, set_exception_version_code):
938 Likewise for prototypes.
940 * flow.c (count_reg_references): Remove unused variables `regno'
943 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
945 * prefix.c (translate_name): Cast the result of `alloca'.
947 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
949 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
951 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
953 (valid_dbcc_comparison_p): Mark mode argument as unused.
954 (symbolic_operand): Likewise.
955 (legitimize_pic_address): Likewise.
956 (const_uint32_operand): Likewise.
957 (const_sint32_operand): Likewise.
958 * sched.c [!INSN_SCHEDULING]: Define only dummy function
959 schedule_insns and comment out rest of file.
961 * m68k.c (output_move_simode_const): Use subl to move a zero into an
963 (output_move_[hq]imode): Likewise.
965 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
967 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
968 * invoke.texi: Corresponding changes.
970 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
972 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
974 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
976 * config/sparc/sparc.c (ultra_code_from_mask,
977 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
978 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
979 ultrasparc_sched_init, ultrasparc_variable_issue,
980 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
981 functions to describe UltraSPARC pipeline exactly to Haifa.
982 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
983 as there is nothing the scheduler can do about it. Indicate that
984 REG_DEP_OUTPUT's collide. Fixup formatting.
985 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
986 divide costs on Ultra for DImode.
987 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
989 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
990 ieuN and add call_no_delay_slot to type list.
991 (cti function unit): New unit for branches on UltraSPARC.
992 (subx/addx insns): Set type to misc.
993 (sidi zero/sign extension insns on arch64): Set type to shift.
994 (sign_extendhidi2_insn): Set type to sload.
996 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
998 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
999 (output_epilog): Use if != 0 for offset.
1000 (rs6000_fatal_bad_address): Prepare for Intl.
1001 * rs6000.h (rs6000_fatal_bad_address): Declare.
1002 * rs6000.md (movsfcc, movdfcc): Use else if.
1003 (elf_high): Use {liu|lis}.
1004 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
1005 (movsi): Use rs6000_fatal_bad_address.
1007 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
1009 * reload.c (find_equiv_reg): Reject equivalences separated
1010 by a volatile instruction.
1012 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1014 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
1016 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
1018 * alpha.md (movsicc): Fix mode mismatch.
1020 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
1022 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
1024 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
1026 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1028 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
1029 write-only modifier from operand 1 constraint.
1031 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1033 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
1034 emitting a XOR of -1 at the end, emit a NOT instead for combine's
1036 (sparc_emit_set_const64): Likewise, also when computing trailing
1037 bits do not negate low_bits and make fast_int an int.
1039 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
1041 * loop.c (add_label_notes): Do not ignore references to labels
1042 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
1043 * gcse.c (add_label_notes): Similarly.
1045 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
1047 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1048 (adddi_dishl32): Similarly.
1050 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1052 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1053 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1054 * cse.c (cse_basic_block): Add parens to shut up warnings.
1056 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1058 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1059 sparc_emit_set_const64_longway, const64_is_2insns,
1060 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1061 in 64-bit constant formation.
1062 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1063 rtl for addx not subx.
1064 (define_insn movdi_const64_special): Make available even when
1065 HOST_BITS_PER_WIDE_INT is not 64.
1066 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1067 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1068 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1069 instances of operand 1 inside a QI subreg.
1070 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1071 (one_cmpldi2_sp64): Fix output string.
1072 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1074 (unnamed arch64 ashift DI): Truncate shift count if greater than
1077 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1079 * expr.c (store_expr): Don't optimize away load-store pair
1080 when either source or destination have a side effect.
1082 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1084 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1085 operands of SET are incompatible.
1087 * alpha.md: Fix max and min patterns so modes of SET operands match.
1089 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1091 * configure.in: Avoid [[ by using test and changequote.
1092 * configure: Rebuild.
1094 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1096 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1098 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1099 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1100 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1101 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1102 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1103 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1104 Fix mismatching modes in SET operands.
1105 (conditional move patterns): Fix formatting.
1106 (unnamed subx arch64 pattern): Remove duplicate insn.
1108 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1110 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1111 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1112 (input_operand): Fixup test for what we accept for constant
1114 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1116 (safe_constDI): Remove.
1117 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1118 gen_safe_XOR64): New functions.
1119 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1120 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1122 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1123 available when HOST_BITS_PER_WIDE_INT is not 64.
1124 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1125 move before movdi_insn_sp64 pattern.
1126 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1127 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1128 symbolic_operand as predicate for second operand.
1129 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1130 expander): Give set VOIDmode.
1132 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1134 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1136 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1138 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1140 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1142 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1144 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1146 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1148 * install.texi: Various SCO OpenServer tweaks.
1150 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1152 * reload1.c (eliminate_regs_in_insn): Handle another case when
1153 eliminating the frame pointer to the hard frame pointer. Add
1154 missing ep->to_rtx check to one existing case.
1156 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1158 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1160 * tree.h: De-conditionalize init_priority code.
1162 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1163 * collect2.c (NM_FLAGS): Change from -p to -n.
1165 * configure.in: Turn on collect2 for mipstx39-elf.
1166 Handle use_collect2=no properly.
1168 * c-common.c: De-conditionalize init_priority code.
1169 * collect2.c (extract_init_priority, sort_ids): New fns.
1170 (main): Call sort_ids.
1171 Move sequence_number to file scope.
1173 * configure.in: Handle --enable-init-priority.
1174 * c-common.c (attrs): Add A_INIT_PRIORITY.
1175 (init_attributes, decl_attributes): Likewise.
1176 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
1177 * tree.c (get_file_function_name_long): Split out...
1178 (get_file_function_name): ...from here.
1180 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1182 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
1185 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1187 * toplev.c (display_help): Add braces to shut up warnings.
1188 * tree.c (simple_cst_equal): Likewise.
1190 * fold-const.c (non_lvalue): Don't deal with null pointer
1192 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1194 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
1195 of any size to a pointer.
1197 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
1199 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
1201 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
1203 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
1204 which will be saved.
1205 * mn10300.md (prologue insn): Only save registers which need saving.
1206 (epilogue insn): Similarly.
1208 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
1211 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
1213 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
1214 VAR_DECL's in gp addressable sections.
1216 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
1218 * sparc.c: Change return <exp> to <exp>; return; in functions
1220 * sparc.md: Add empty semicolon statement after final label in
1223 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1225 * config/sparc/sparc.md (define_insn addx_extend): Rename to
1226 addx_extend_sp64, only allow when TARGET_ARCH64.
1227 (define_insn addx_extend_sp32 and split): Version that works when
1229 (define_insn subx_extend): Likewise.
1230 (define_split adddi3 and subdi3 with zero extension): Fixup and
1231 correct bugs when not TARGET_ARCH64.
1233 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
1235 * except.c (set_exception_lang_code, set_exception_version_code):
1236 Use prototype-style definition if __STDC__, to match declaration
1239 * genemit.c: Change FAIL and DONE macros not to use loops.
1241 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
1243 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
1244 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
1246 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
1248 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
1250 * README.g77: Update from Craig.
1252 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1254 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
1256 (safe_constDI sparc_emit_set_const64_quick1,
1257 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1258 analyze_64bit_constant, const64_is_2insns,
1259 create_simple_focus_bits): Fix some bugs when compiled on real
1261 (function_arg_record_value_3, function_arg_record_value_2,
1262 function_arg_record_value): Add fully prototyped forward decls.
1263 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
1264 to cmpsi_insn and use on both 64 and 32 bit targets.
1265 (define_insn cmpsi_insn_sp64): Remove.
1266 (define_expand zero_extendsidi2): Allow for 32-bit target too.
1267 (define_insn zero_extendsidi2_insn): Rename to
1268 zero_extendsidi2_insn_sp64.
1269 (define_insn zero_extendsidi2_insn_sp32): New pattern and
1270 assosciated forced split for it.
1272 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1274 * config/sparc/sparc.h: Declare them.
1275 (PREDICATE_CODES): Add them.
1276 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
1277 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
1279 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
1281 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
1282 in v9 case as the latter makes the Solaris assembler crash.
1284 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1286 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
1287 for TFmode when !v9. We require offsettable memory addresses.
1288 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
1289 DFmode register number conversions.
1290 * config/sparc/sparc.md (define_split DFmode moves): If register
1291 is a SUBREG do alter_subreg on it before using.
1292 (define_expand movtf): Fixup comment about alignment on v9.
1293 (define_split TFmode moves): Don't use gen_{high,low}part, create
1294 explicit SUBREGs instead.
1296 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
1298 * Makefile.in (mbchar.o): Depend on mbchar.c.
1300 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1301 Richard Henderson <rth@cygnus.com>
1303 Rewrite Sparc backend for better code generation and
1304 improved sparc64 support.
1305 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
1307 * config/sparc/sysv4.h: Likewise.
1308 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
1309 move_operand, v8plus_regcmp_op, emit_move_sequence,
1310 singlemove_string, doublemove_string, mem_aligned_8,
1311 output_move_double, output_move_quad, output_fp_move_double,
1312 move_quad_direction, output_fp_move_quad, output_scc_insn):
1314 (small_int_or_double): New predicate.
1315 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
1316 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
1317 old pic_{sethi,lo_sum}_si patterns.
1318 (mem_min_alignment): New generic function to replace
1319 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
1320 available and can test for arbitrary alignments. All callers
1322 (save_regs, restore_regs, build_big_number,
1323 output_function_prologue, output_cbranch, output_return,
1324 sparc_flat_save_restore, sparc_flat_output_function_prologue,
1325 sparc_flat_output_function_epilogue): Prettify
1327 (output_function_epilogue): Likewise and add code to output
1328 deferred case vectors.
1329 (output_v9branch): Likewise, add new arg INSN and use it to tack
1330 on branch prediction settings. All callers changed.
1331 (print_operand): Likewise and output %l44 for LO_SUMs when
1333 (sparc_splitdi_legitimate): New function to make sure DImode
1334 splits can be run properly when !arch64.
1335 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
1336 Reformat example code in comments.
1337 (set_extends): Remove UNSPEC/v8plus_clear_high case.
1338 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
1339 of deferred case vectors we need to output.
1340 (sparc_defer_case_vector): Record a case vector.
1341 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
1342 sparc_output_deferred_case_vectors): New functions to output them.
1343 (sparc_emit_set_const32): New function to form 32-bit constants in
1344 registers when that requires more than one instruction.
1345 (safe_constDI, sparc_emit_set_const64_quick1,
1346 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1347 analyze_64bit_constant, const64_is_2insns,
1348 create_simple_focus_bits, sparc_emit_set_const64): New functions
1349 which do the same for 64-bit constants when arch64.
1350 (sparc_emit_set_symbolic_const64): New function to emit address
1351 loading for all code models on v9.
1352 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
1353 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
1354 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
1355 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
1356 inaccuracies in comments, add symbolic and text_segment operands
1357 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
1358 GENERAL_REGS in these cases as a temp REG is needed to load these
1359 addresses into a register properly.
1360 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
1362 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
1363 quads are guarenteed to have 16-byte alignment.
1364 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
1365 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
1366 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
1367 deferred case vector implementation.
1368 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
1369 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
1370 Generate "internal label - label" instead of "label - 1b".
1371 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
1372 (PREDICATE_CODES): Remove sparc_operand, move_operand,
1373 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
1375 (doublemove_string, output_block_move, output_fp_move_double,
1376 output_fp_move_quad, output_move_double, output_move_quad,
1377 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
1378 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
1379 (sparc_emit_set_const32, sparc_emit_set_const64,
1380 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
1381 mem_min_alignment, small_int_or_double): Add externs.
1382 * config/sparc/sparc.md: Document the many uses of UNSPEC and
1383 UNSPEC_VOLATILE in this backend.
1384 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
1385 unary to types which execute in it.
1386 (define_function_unit ieu_shift): Rename to ieu0.
1387 (define_function_unit ieu1): New, executes compare, call, and
1388 uncond_branch type insns.
1389 (define_function_units for type fdivs, fdivd, fsqrt): These
1390 execute in the fpu multiply unit not the adder on UltraSparc.
1391 (define_expand cmpdi): Disallow TARGET_V8PLUS.
1392 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
1393 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
1394 allows the arith_double_operand predicate and rHI constraint when
1396 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
1397 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
1398 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
1399 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
1400 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
1401 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
1402 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
1403 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
1404 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
1405 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
1406 sign_extendqihi2_insn, sign_extendqisi2_insn,
1407 sign_extendqidi2_insn, sign_extendhidi2_insn,
1408 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
1409 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
1410 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
1411 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
1412 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
1413 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
1414 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
1415 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
1416 smulsi3_highpart_v8plus, unnamed subreg mult,
1417 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
1418 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
1419 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
1420 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
1421 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
1422 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
1423 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
1424 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
1425 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
1426 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
1427 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
1428 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
1429 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
1430 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
1431 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
1432 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
1433 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
1434 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
1435 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
1436 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
1437 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
1438 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
1439 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
1440 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
1441 call_address_untyped_struct_value_sp32,
1442 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
1443 call_value_symbolic_sp32, call_value_address_sp64,
1444 call_value_symbolic_sp64, branch_sp32, branch_sp64,
1445 flush_register_windows, goto_handler_and_restore,
1446 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
1447 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
1448 return_addsi, return_di, return_adddi, return_sf, all call+jump
1449 peepholes, trap, unnamed trap insns): Prettify output strings.
1450 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
1451 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
1452 Likewise and force + implement splits for integer cases.
1453 (define_insn return_sf_no_fpu): Likewise and allow to match when
1454 no-fpu because of our subreg SFmode splits.
1455 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
1456 zero_extendqidi2_insn, zero_extendhidi2_insn,
1457 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
1458 input_operand for second operand.
1459 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
1460 reg_or_0_operand for operand 2 so new splits can use it.
1461 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
1462 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
1464 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
1465 CONST_DOUBLEs for operand 2.
1466 (define_insn move_label_di): Likewise and label distance
1467 optimization because it no longer works with new deferred case
1468 vector scheme. To be revisited.
1469 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
1470 and allow reg_or_0_operand and J constraint for second operand.
1471 (define_insn jump): Set branch predict taken on V9.
1472 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
1473 new deferred case vector scheme.
1474 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
1475 (define_insn negdi2_sp32): Force + implement splits.
1476 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
1477 one_cmplsi2_not_liveg0 respectively, and create expander of original
1478 names which emit special rtl for TARGET_LIVE_G0.
1479 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
1480 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
1481 gen_compare_reg, FAIL instead.
1482 (define_insn sgtu, sleu): Likewise and check gen_s*() return
1483 values when trying to reverse condition codes, if they FAIL then
1485 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
1486 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
1487 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
1488 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
1489 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
1490 set output string to # to indicate they are mandatory splits.
1491 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
1492 pic_sethi_di, move_pic_label_si): Remove.
1493 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
1494 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
1496 (define_expand movsi_pic_label_ref, define_insn
1497 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
1498 expander and insns to handle PIC label references and deferred
1500 (define_insn get_pc_via_rdpc): Comment out as it is no longer
1502 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
1503 Rewrite to not use emit_move_sequence, make use of new constant
1504 formation code, and new splits for all multi-insn cases.
1505 (define_insn movqi_insn): Remove sethi case, it can never happen.
1506 Use reg_or_zero_operand instead of const0_rtx explicit test,
1507 use input_operand instead of move_operand for source, and use
1508 general_operand now for dest.
1509 (define_insn movhi_insn): Similar but leave sethi case.
1510 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
1511 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
1512 movhi_lo_sum respectively, prettify output string.
1513 (define_insn movsi_zero_liveg0): New pattern to put zero into a
1514 register when needed on TARGET_LIVE_G0.
1515 (define_insn movsi_insn): Use general_operand and input_operand
1516 for dest and src respectively. Simplify applicability test.
1517 Prettify output strings, and add clr alternative for J
1519 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
1520 deprecated std and reg-reg DI moves): Remove and...
1521 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
1522 implementation which uses forced splits for all non-single insn
1524 (define_split DI move cases on !arch64): New splits to handle all
1525 situations of 64-bit double register DImode on 32bit, and
1526 unaligned registers and memory addresses for all subtargets.
1527 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
1529 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
1530 input_operand for dest and src respectively, prettify output
1532 (define_insn movdf_insn, movdf_no_e_insn, store_df,
1533 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
1535 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
1536 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
1537 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
1538 movtf_no_e_insn_sp64) Replace with new
1539 implementation which uses forced splits for all non-single insn
1541 (define_split DF move cases): New splits in similar vein to DI
1543 (define_insn sethi_di_medlow, sethi_di_medium_pic,
1544 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
1545 movdi_sp64_insn): Remove old v9 code model and constant loading
1547 (define_insn pic_lo_sum_di, pic_sethi_di,
1548 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
1549 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
1550 embmedany_sethi, embmedany_losum, embmedany_brsum,
1551 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
1552 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
1553 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
1554 scheme, using unspecs, secondary reloads, and one to one sparc
1555 insn to rtl insn mapping for better scheduling and code gen.
1556 (define_expand reload_indi, reload_outdi): Reload helpers for
1557 MEDANY and EMBMEDANY symbol address loading cases which require a
1559 (define_expand movsicc): Remove v8plus_regcmp cases.
1560 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
1561 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
1562 cmp_diqi_trunc_set): New patterns used by some of the new scc
1564 (define_insn xordi3_sp64_dbl): New pattern used for constant
1565 formation when crossing from 32-bit targets.
1566 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
1568 (define_insn addx, subx): Make visible and prettify.
1569 (define_insn adddi3_insn_sp32): Likewise and force split.
1570 (define_insn addx_extend, subx_extend, unnamed): New patterns for
1571 64bit scc split usage.
1572 (define_insn unnamed plusDI zero_extend, unnamed minusDI
1573 zero_extend, subdi3): Force and implement splits.
1575 * final.c (final_scan_insn): Don't output labels if target
1576 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
1579 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
1580 don't forget to walk inside SEQUENCESs too as these are what the
1581 delay slot scheduler will create.
1583 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
1585 * alpha.md (extxl+1,+2): New patterns to work around
1588 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
1590 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
1591 caused bad assembly code to be generated.
1593 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
1595 * netbsd.h: Fix typo.
1597 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
1599 * config.sub: Fix typo.
1601 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
1603 * invoke.texi (Environment Variables): Typo: Change "ascpects"
1605 (Running Protoize): Typo: Change "ther" into "other".
1607 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
1609 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
1610 * m68k/netbsd.h: Likewise.
1611 * ns32k/netbsd.h: Likewise.
1612 * sparc/netbsd.h: Likewise.
1614 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
1616 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
1617 * ginclude/va-clipper.h (va_list): Likewise.
1619 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
1621 * rs6000.c (rs6000_override_options): If big endian and -Os, use
1622 load/store multiple instructions unless user overrides.
1624 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
1626 * ns32k/netbsd.h: Fix typo.
1628 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
1630 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
1631 labels with .debugsym if no parallel insns.
1633 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
1635 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
1636 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
1638 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
1640 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
1641 (AR_FOR_TARGET): Define.
1643 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
1645 * dyn-string.h: New file.
1646 * dyn-string.c: Likewise.
1647 * Makefile.in (OBJS): Add dyn-string.o.
1648 (dwarf2out.o): Add dyn-string.h dependency.
1649 (dyn-string.o): List dependencies.
1650 * dwarf2out.c: Include dyn-string.h.
1651 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
1652 (addr_const_to_string): Take a dyn_string_t, not a char* as a
1653 prototype. Use dyn_string_append rather than strcat, throughout.
1654 (addr_to_string): Use dyn_string_t.
1656 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
1658 Function entry/exit profiling instrumentation:
1659 * expr.h (profile_function_entry_libfunc,
1660 profile_function_exit_libfunc): Declare new variables.
1661 * optabs.c: Define them here.
1662 (init_optabs): Initialize them.
1663 * tree.h (struct tree_decl): New flag
1664 no_instrument_function_entry_exit.
1665 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
1666 * c-decl.c (duplicate_decls): Merge it.
1667 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
1668 (init_attributes): Use it for "no_instrument_function".
1669 (decl_attributes): Handle it, for functions that have not yet been
1670 compiled. Set decl flag.
1671 * flags.h (flag_instrument_function_entry_exit): Declare new
1673 * toplev.c (flag_instrument_function_entry_exit): Define it here.
1674 (f_options): New option "instrument-functions".
1675 * function.h (struct function): New field instrument_entry_exit.
1676 * function.c (current_function_instrument_entry_exit): New
1678 (push_function_context_to, pop_function_context_from): Save and
1680 (expand_function_start): Set current_ variable, maybe emit return
1681 label and entry profile call.
1682 (expand_function_end): Maybe emit exit profile call.
1684 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
1686 * i386.md (movqi): When optimizing a load of (const_int 1) into a
1687 NON_QI_REG_P, pretend the register is SImode.
1689 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
1691 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
1692 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
1693 manufacturer id for ns32k.
1694 * configure: Regenerated.
1695 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
1696 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
1697 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
1698 * config/m68k/netbsd.h: Same.
1699 * config/ns32k/netbsd.h: Same.
1700 * config/sparc/netbsd.h: Same.
1702 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
1704 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
1705 or UNROLL_COMPLETELY loop that starts with a jump to its
1708 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
1710 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
1711 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
1712 (print_operand, case 'B'): Don't fall through.
1713 (print_operand, case 'S'): Correct mask begin/end computation.
1714 Use HOST_BITS_PER_WIDE_INT.
1715 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
1716 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
1717 * rs6000/aix41.h (CPP_PREDEFINES): Same.
1718 * rs6000/aix43.h (CPP_PREDEFINES): Same.
1720 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
1722 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
1723 constraint from second alternative.
1725 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1727 * configure.in: Fix --without/--disable cases for local-prefix,
1728 gxx-include-dir and checking.
1730 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1732 * configure.in (enable_haifa): Set by default for sparc64 too.
1735 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1737 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
1738 * i386/winnt.c (associated_type): New fn.
1739 (i386_pe_valid_type_attribute_p): New fn.
1740 (i386_pe_check_vtable_importexport): Remove.
1741 (i386_pe_dllexport_p): Use associated_type.
1742 (i386_pe_dllimport_p): Likewise.
1744 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
1745 * i386.c (i386_valid_type_attribute_p): Also accept
1746 attributes for METHOD_TYPEs.
1748 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
1750 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
1752 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
1754 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
1756 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
1757 them from generating a new base name for each occurence of
1760 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
1762 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
1764 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
1768 * cplus-dem.c (type_kind_t): New type.
1769 (demangle_template_value_parm): Add type_kind_t parameter. Rely
1770 on this paramter, rather than demangling the type again.
1771 (demangle_integral_value): Pass tk_integral.
1772 (demangle_template_: Pass the value returned from do_type.
1773 (do_type): Return a type_kind_t. Pass tk_integral to
1774 demangle_template_value_parm for array bounds.
1775 (demangle_fund_type): Likewise.
1777 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
1779 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
1782 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
1784 * pa.c (move_operand): Accept CONSTANT_P_RTX.
1786 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
1788 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
1790 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
1793 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
1795 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
1796 (DEBUGGER_ARG_OFFSET): Likewise.
1798 * mn10300.md (movsf): Remove last change. Not needed.
1800 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
1802 * c-lex.c (yylex): Fix boundary conditions in character literal and
1803 string literal loops.
1805 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
1807 * longlong.h (count_leading_zeros): Sparclite scan instruction was
1808 being invoked incorrectly.
1810 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
1811 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
1813 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
1814 * configure.in: Added i[34567]86-*-win32
1815 * config.sub: Ditto.
1816 * configure: Rebuilt.
1818 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
1820 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
1821 the frame pointer and compiling PIC code and reload has not completed.
1823 * i386.c (output_to_reg): Add code to emulate non-popping DImode
1826 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
1828 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
1830 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1832 * Makefile.in (install-info): Only try to update the info
1833 directory file if it exists in the first place.
1835 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
1837 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
1839 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
1841 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
1842 CONST_DOUBLE source.
1844 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
1846 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
1847 strings as the insertion of USER_LABEL_PREFIX.
1848 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
1850 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
1853 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
1855 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
1856 already defined type.
1858 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
1860 * expr.c (check_max_integer_computation_mode): Allow conversions
1861 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
1862 (expand_expr): Likewise.
1864 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1866 * expr.c (expand_expr): Expand RETURN_EXPR.
1868 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
1870 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
1872 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
1874 * dwarf2out.c (output_aranges): Call stripattributes
1875 for TEXT_SECTION references.
1876 (output_line_info): Likewise.
1878 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1880 * profile.c (branch_prob): Call allocate_reg_info after outputting
1881 profile rtl in instrument_arcs.
1883 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
1885 * fixinc.irix (math.h): Install wrapper instead of copying.
1887 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1889 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
1890 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
1891 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
1892 lang_flag_0. Added documentation in the flag table.
1894 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
1896 * cccp.c (do_include): Fix vax c style include handling.
1898 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1900 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
1902 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
1904 * fold-const.c (non_lvalue): Don't deal with null pointer
1906 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1908 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
1910 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
1911 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
1912 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
1913 (u_short_cint_operand): Same.
1914 (reg_or_cint_operand): Same.
1915 (logical_operand): Same.
1916 (input_operand): Same.
1917 (reg_or_short_operand): Use u_short_cint_operand.
1919 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
1921 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
1922 but keep the insns and splits. Adjust so when the ultimate destination
1923 is memory, use cvtql.
1925 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
1927 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
1929 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
1931 * gcc.c (do_spec): Call "error" not "warning".
1933 * configure.in: Fix minor problems with gas feature detection code.
1934 * configure: Rebuilt.
1936 * gcc.c (do_spec): Issue a warning for '%[]' usage.
1939 * gcc.c: Delete %[spec] support.
1940 (do_spec_1, case '('): Likewise.
1941 (do_spec_1, case '['): Call error.
1943 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
1945 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
1946 (CPP_SUBTARGET_SPEC): Default to empty string.
1947 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
1948 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
1949 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
1950 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
1952 * alpha/linux.h (CPP_PREDEFINES): Tidy.
1953 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
1954 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
1955 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
1956 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
1957 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
1958 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
1959 * alpha/vxworks.h: Likewise.
1961 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
1963 * mips.md (reload_outsi): Added missing REGNO call.
1964 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
1966 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
1967 another match_operator and compare the codes.
1969 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
1971 * MIPS multiply pattern fixes:
1972 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1973 Add union classes for HI, LO, or HILO plus general registers.
1974 (GENERATE_MADD): Deleted.
1975 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
1976 Add TARGET_MAD to condition.
1977 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
1978 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
1979 "*d" for accumulator, to give preference to LO initially but not
1982 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
1984 * configure.in (enable_c_mbchar): New configure option.
1985 (extra_cpp_objs): Always available now.
1987 * cexp.y (mbchar.h): #include it.
1988 (yylex): Handle Multibyte characters in character literals.
1990 * cccp.c (mbchar.h): #include it.
1991 (main): Set character set based on LANG environment variable.
1992 (rescan): Handle multibyte characters in comments.
1993 (skip_if_group): See above.
1994 (validate_else): See above.
1995 (skip_to_end_of_comment): See above.
1996 (macarg1): See above.
1997 (discard_comments): See above.
1998 (rescan): Handle multibyte characters in string and character literals.
1999 (collect_expansion): See above.
2000 (skip_quoted_string): See above.
2001 (macroexpand): See above.
2002 (macarg1): See above.
2003 (discard_comments): See above.
2004 (change_newlines): See above.
2006 * c-lex.c (mbchar.h): #include it.
2007 (GET_ENVIRONMENT): New macro.
2008 (init_lex): Set character set based on LANG environment variable.
2009 (yylex): Handle multibyte characters in character literals.
2010 (yylex): Handle multibyte characters in string literals.
2012 * Makefile.in (mbchar.o): New target.
2013 (cccp$(exeext)): @extra_cpp_objs@ is always available.
2014 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
2016 * mbchar.[ch]: New files for multibyte character handling.
2018 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2020 * jump.c (jump_optimize): When simplifying noop moves and
2021 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
2022 the PUSHes to rewrite in second loop as we did in the first.
2024 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2026 * cplus-dem.c (demangle_nested_args): Make function definition
2027 static to match the prototype.
2029 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
2031 * alloca.c: Respect USE_C_ALLOCA.
2032 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
2033 * gengenrtl.c (xmalloc): Likewise.
2035 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
2037 * loop.h (struct induction): Add no_const_addval.
2038 * loop.c (the_movables, reg_address_cost): New variables.
2039 (init_loop): Init reg_address_cost.
2040 (loop_optimize): Call end_alias_analysis.
2041 (scan_loop): Init the_movables.
2042 (record_giv): Init induction->no_const_addval.
2043 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
2044 [REG]: Rearrange loop search test to catch more cases.
2045 (general_induction_var): Return success not benefit; take an extra
2046 argument for that. Change all callers.
2047 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2048 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2049 [default]: Search the_movables for additional combinations.
2050 (sge_plus_constant, sge_plus): New functions.
2051 (express_from_1): New function.
2052 (express_from): Always define. Rewrite using express_from_1.
2053 (combine_givs_p): Handle more cases. Ignore address cost.
2054 (cmp_combine_givs_stats): New function.
2055 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2056 (combine_givs): Rewrite to do best-fit combination.
2058 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2059 (fold): Do a complete (A*C)+(B*C) association check.
2061 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2063 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2065 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2067 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2069 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2071 * tree.c (valid_machine_attribute): Only create a new type variant if
2072 there is a decl to use it.
2074 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2076 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2079 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2081 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2084 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2086 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2087 Simplify tests for clearing an address register.
2088 (expand_prologue): Corresponding changes.
2090 * mn10300.md (movXX patterns): Make sure the destination is an
2091 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2092 (logical patterns): Split into expanders + patterns
2093 (zero and sign extension patterns): Similarly.
2094 (shift patterns): Similarly.
2096 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2098 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2099 for the sequence, recording base values.
2101 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2103 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2105 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2107 * gcc.c: Remove ANSI-C ism from --help code.
2109 * toplev.c: Support --help with USE_CPPLIB.
2111 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2113 * configure.in: Rework gas feature code to work with symlink based
2116 * extend.texi: Clarify some issues related to local variables
2117 assigned to explicit registers.
2119 * mn10300.md (mulsi): Turn into expander + pattern.
2121 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2124 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2126 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2128 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2130 * version.c: Bump again to distinguish mainline tree from the
2133 See ChangeLog.0 for earlier changes.
2136 add-log-time-format: current-time-string