1 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
5 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7 * rs6000.md (movsf): Disable explicit secondary-reload-like
8 functionality if TARGET_POWERPC64.
9 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
12 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
14 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
15 and term.h from fixinc.wrap.
17 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
20 safe to include both string.h and strings.h together.
21 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
22 which headers to search for function declarations. Continue to
23 prefer string.h over strings.h when both are not acceptable.
25 * acconfig.h (STRING_WITH_STRINGS): Add stub.
27 * configure.in: Call GCC_HEADER_STRING.
29 * system.h: Test STRING_WITH_STRINGS when deciding which headers
30 to include. Continue to prefer string.h over strings.h when both
33 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
35 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
36 not assume top 32-bits of symbolic addresses are zero if
39 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
41 * ginclude/va-alpha.h: Protect entire second portion of the
42 file against double inclusion.
44 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
46 Added support for the Boehm's garbage collector.
47 * configure.in: Handle --enable-objc-gc.
49 * Makefile.in (CHECK_TARGETS): Add check-objc.
50 (check-objc): New rule.
51 * objc/Make-lang.in: Build a different Objective-C library that
52 runs with the Boehm's collector.
53 * objc/encoding.c (objc_round_acc_size_for_types): New function.
54 * objc/encoding.c: Correctly compute the size of compound types in
55 the presence of bitfields. Skip the variable name of the type if
56 any. Added support for long long.
57 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
58 (_F_GCINVISIBLE): New mask.
59 * objc/gc.c: New file. Compute the type memory mask associated with
60 a class based on the runtime information.
61 * objc/misc.c: Added the hooks that use the Boehm's collector
63 * objc/objc-act.c (build_class_template): Generate a new class
64 member (gc_object_type) to hold the class' type memory mask.
65 (build_shared_structure_initializer): Initialize the new member to
67 (encode_complete_bitfield): New function. Generate the new
69 (encode_field_decl): Generate the new encoding only for the GNU
71 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
73 (class_get_gc_object_type): New function to mark a pointer instance
74 variable as a weak pointer.
75 * objc/objc-features.texi: New file.
76 * objc/objc.h (gc_object_type): New class member.
77 * objc/objects.c (class_create_instance): Create a typed memory
78 object when compiled with Boehm's collector support.
79 * objc/sendmsg.c (__objc_init_install_dtable): Call
80 __objc_send_initialize instead of setting the initialize flag.
81 (__objc_send_initialize): Call __objc_generate_gc_type_description
82 to generate the class type memory mask. Rewrite the code that
83 sends the +initialize so that it is called only once (bug report
84 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
85 * testsuite/objc: New testsuite for Objective-C type encoding.
86 * testsuite/lib/objc-torture.exp: New file.
87 * testsuite/lib/objc.exp: New file.
89 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
91 * jump.c (jump_optimize): In if/then/else transformations, add
92 another call to modified_between_p for the jump insn.
94 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
96 * fix-header.c (symlink): Treat like readlink.
98 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
100 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
103 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
105 * config/nextstep.h: Update HANDLE_PRAGMA macro.
106 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
107 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
109 * config/nextstep.c (handle_pragma): Take three arguments, as per
110 the new HANDLE_PRAGMA macro specification.
111 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
112 per the new HANDLE_PRAGMA macro specification.
113 * config/i960/i960.c (process_pragma): Take three arguments, as
114 per the new HANDLE_PRAGMA macro specification.
116 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
118 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
119 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
120 if unknown pragmas are encountered.
121 (handle_sysv_pragma): Interpret return code from
122 handle_pragma_token (). Return success/failure indication rather
123 than next unprocessed character.
124 (pragma_getc): New function: retrieves characters from the
125 input stream. Defined when HANDLE_PRAGMA is enabled.
126 (pragma_ungetc): New function: replaces characters back into the
127 input stream. Defined when HANDLE_PRAGMA is enabled.
129 * c-pragma.c (handle_pragma_token): Return success/failure status
132 * c-pragma.h: Change prototype of handle_pragma_token().
134 * varasm.c: (handle_pragma_weak): Only create this function if
135 HANDLE_PRAGMA_WEAK is defined.
137 * c-common,c (decl_attributes): If defined call the expression
138 contained within the INSERT_ATTRIBUTES macro before adding
139 attributes to a decl.
141 * tm.texi (HANDLE_PRAGMA): Document the new verion of
142 HANDLE_PRAGMA, which takes three arguments.
143 (INSERT_ATTRIBUTES): Document this new macro.
145 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
146 new INSERT_ATTRIBUTES macro.
148 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
150 * config/sparc/sparc.md (movdf): Only generate special RTL for
152 (move_label_di): Remove
153 (movdi_pic_label_ref, movdi_high_pic_label_ref,
154 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
156 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
157 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
158 output an .xword for all 64-bit cases.
160 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
162 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
163 alignment, use FUNCTION_BOUNDARY instead.
164 (sparc_output_deferred_case_vectors): Likewise.
166 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
168 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
169 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
171 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
173 * alpha/va_list.h: New file.
174 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
176 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
178 * NEWS: Add SCO Openserver and Unixware 7 notes.
182 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
184 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
185 (record_constant_1): Handle RANGE_EXPR.
187 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
189 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
190 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
191 and NOTE_INSN_RANGE_END specially.
192 (reemit_notes): Likewise.
194 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
196 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
197 (ultrasparc_sched_init): Remove unneeded &.
199 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
201 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
202 for m68020-60, to prevent the use of fintrz.
204 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
206 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
208 * Makefile.in: Likewise.
209 * configure: Regenerated.
211 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
213 * configure.in (gxx_include_dir): Changed to
214 '${prefix}/include/g++'-${libstdcxx_interface}.
215 * configure: Rebuilt.
217 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
219 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
221 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
222 *sequences* *below* which scalar moves will be used.
224 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
226 * collect2.c (mktemp): Delete unused declaration.
228 * config/xm-netbsd.h: Remove unnecessary file.
229 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
230 file anymore, it is not needed.
232 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
234 * convert.c (convert_to_integer): Issue an error on conversions to
237 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
239 * Makefile.in: Add lang_tree_files and gencheck.h.
240 * configure.in: Generate them.
241 * gencheck.c: Include gencheck.h.
243 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
245 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
246 movdi_lo_sum_pic and movdi_high_pic and make visible.
247 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
248 emit these when Pmode is not SImode.
249 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
251 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
253 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
254 .linkonce directive after the first time.
256 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
258 * m68k.md (beq0_di): Generate correct (and more efficient) code when
259 the clobbered operand overlaps with an input.
260 (bne0_di): Similarly.
262 * Makefile.in (INSTALL): Remove "--no-header" argument.
264 * NEWS: Various updates.
266 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
268 * config/sparc/sparc.c (arith_operand, const64_operand,
269 const64_high_operand, arith_double_4096_operand): Mark mode as
271 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
273 (sparc_emit_set_const64): Remove unused variable i.
274 (sparc_splitdi_legitimate): Likewise for addr_part.
275 (ultra_code_from_mask): Likewise for mask.
276 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
277 reverse return values so it matches usage and comments.
278 (ultra_flush_pipeline): Likewise.
279 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
280 this_type, and allow loads and stores of differing FP modes as
281 they do not create a conflict.
282 (ultra_find_type): Initialize fpmode to SFmode, fix
283 parenthesization thinkos in large conditional.
284 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
285 Init free_slot_mask after ultra_cur_hist is reset, not before.
286 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
287 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
288 use ultra_flush_pipeline instead, then re-init group pointer.
289 Fix statement with no effect. If no progress made in, and no
290 instructions scheduled at all, advance to new pipeline cycle else
291 we get into an endless loop.
292 (ultrasparc_adjust_cost): Remove previous arg.
293 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
295 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
297 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
298 code. Use reg_overlap_mentioned_p to detect when source and
300 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
302 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
304 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
305 COMPARISON_VAL, into invariant_p.
307 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
309 * regmove.c (regclass_compatible_p): New function.
310 (regmove_optimize): Use it.
312 Use NREGS parameter insted of calling max_reg_num.
314 (fixup_match_1): Don't use code = MINUS when later tieing with
315 a hard register is likely.
317 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
319 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
320 COMPARISON_VAL was normalized.
322 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
324 * loop.c (check_dbra_loop): The loop ending comparison value
325 must be an invariant or we can not reverse the loop.
327 * loop.c (scan_loop): Count down from max_reg_num - 1 to
328 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
330 (load_mems_and_recount_loop_regs_set): Likewise.
332 * i386.c (print_operand): Remove obsolete 'c' docs.
334 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
336 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
337 * frame.c (init_object_mutex): New function.
338 (init_object_mutex_once): Likewise.
340 (__register_frame_info): Likewise.
341 (__register_frame_info_table): Likewise.
342 (__deregister_frame_info): Likewise.
344 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
346 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
348 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
350 * loop.c (check_dbra_loop): Enable code for reversal
351 of some loops without a known constant loop end.
353 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
355 * haifa-sched.c (last_clock_var): New.
356 (schedule_block): Initialize it.
357 (schedule_insn): Use it to fill insn modes with issue information.
359 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
360 Tag trapb and next insn with TImode.
361 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
362 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
363 Invoke alphaev5_align_insns as appropriate.
364 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
365 (MD_SCHED_VARIABLE_ISSUE): New.
366 * alpha.md (attr type): Add multi.
367 (define_asm_attributes): New.
368 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
369 (arg_home): Likewise.
370 (fnop, unop, realign): New.
372 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
374 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
375 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
377 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
378 (rs6000-ibm-aix4.[12]*): Likewise.
379 * configure: Regnerate.
381 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
383 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
384 already contains the return address.
386 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
388 * calls.c (expand_call): Use bitfield instructions to extract/deposit
389 word sized hunks when loading unaligned args into registers.
391 * haifa-sched.c (sched_analyze_insn): Only create scheduling
392 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
394 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
396 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
398 * loop.c (check_dbra_loop): Add some code that would allow reversal
399 of some loops without a known constant loop end if it were enabled.
401 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
403 * mips.md (lshrsi3_internal2+2): Fix type-o.
405 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
407 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
408 correctly with regards to stdio.h.
410 * calls.c: Remove stdarg.h/varargs.h.
413 * combine.c: Likewise.
414 * cpperror.c: Likewise.
415 * cpplib.c: Likewise.
416 * cpplib.h: Likewise.
417 * doprint.c: Likewise.
418 * emit-rtl.c: Likewise.
420 * fix-header.c: Likewise.
422 * genattr.c: Likewise.
423 * genattrtab.c: Likewise.
424 * gencodes.c: Likewise.
425 * genconfig.c: Likewise.
426 * genemit.c: Likewise.
427 * genextract.c: Likewise.
428 * genflags.c: Likewise.
429 * genopinit.c: Likewise.
430 * genoutput.c: Likewise.
431 * genpeep.c: Likewise.
432 * genrecog.c: Likewise.
433 * mips-tfile.c: Likewise.
434 * prefix.c: Likewise.
435 * protoize.c: Likewise.
436 * regmove.c: Likewise.
437 * toplev.c: Likewise.
440 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
442 * config/sparc/sparc.c (sparc_override_options): If not
443 TARGET_FPU, turn off TARGET_VIS.
444 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
445 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
446 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
447 (movdi_insn_sp64): Add VIS fzero alternative.
448 (clear_sf, clear_df): New VIS patterns.
449 (movsf, movdf expanders): Allow fp_zero_operand flat out when
451 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
453 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
455 * loop.c (n_times_set, n_times_used, may_not_optimize,
456 reg_single_usage): Convert to varrays. All uses changed.
457 (insert_loop_mem): Return a value.
458 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
459 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
462 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
465 * configure.in: Do not set thread_file to "irix" since no such
468 * sparc.md (float abs/neg splits): Check reload_completed before
469 calling alter_subreg.
471 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
473 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
475 * config/sparc/sparc.h: Declare it.
476 * config/sparc/sparc.md (float abs/neg splits): Use it.
477 (all other splits): Handle SUBREGs properly where necessary.
478 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
480 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
482 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
483 an insn on the unfilled_slots_list that has no delay slots.
484 (fill_eager_delay_slots): Similarly.
486 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
488 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
489 as an ordinary operand.
491 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
493 * tree.c (valid_machine_attribute): Don't apply attributes to both
496 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
498 * reload.c (operands_match_p): Handle rtvecs.
500 * i386.c (legitimate_pic_address_disp_p): New.
501 (legitimate_address_p): Use it.
502 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
503 Handle constant pool symbols just like statics.
504 (emit_pic_move): Use Pmode not SImode for clarity.
505 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
506 [UNSPEC]: New, handling what we killed above.
507 [PLUS]: Detect and abort on invalid symbol arithmetic.
508 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
510 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
512 * alias.c: Include output.h.
513 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
514 different if we're in a varargs function.
515 * Makefile.in (alias.o): Depend on output.h
517 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
519 * sh.h (GIV_SORT_CRITERION): Delete.
521 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
523 * regclass.c (regclass): Use xmalloc/free instead of alloca.
524 * stupid.c (stupid_life_analysis): Ditto.
525 * reload1.c (reload): Ditto.
527 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
529 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
530 arith_double_4096_operand, arith_double_add_operand): New
532 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
533 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
534 them to transform add/sub 4096 into add/sub -4096.
536 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
538 * loop.c (scan_loop): Allocate some slop to handle pseudos
539 generated by move_movables.
540 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
543 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
545 * tree.def (DECL_RESULT): Correct documentation.
547 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
549 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
550 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
551 conflicts will all RELOAD_FOR_OUTPUT reloads.
553 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
554 loads the function result, substitute with a USE.
556 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
558 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
559 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
560 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
561 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
562 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
563 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
565 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
566 'o' to 'm' for GPR variant constraints.
568 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
570 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
572 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
574 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
575 when the source and destination overlap.
577 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
578 clash with global type.
580 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
582 * fixinc.irix: Add curses.h handling from fixinc.wrap.
584 * c-common.c (combine_strings): Also set TREE_READONLY.
585 Change warn_write_strings to flag_const_strings.
586 * c-decl.c, c-tree.h: Likewise.
588 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
590 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
591 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
592 sequence, use SET/IOR instead so CSE can see it.
593 * config/sparc/sparc.md (movhi_const64_special,
594 movsi_const64_special): New patterns necessitated by that change.
595 (movhi_high): Remove.
596 (movhi_lo_sum): Change to match an IOR.
597 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
598 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
599 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
600 (movdf splits): Allow when not V9 or when not ARCH64 and integer
601 registers are involved.
602 (snesi_zero_extend split): Remove reload_completed test.
603 (unnamed plus and minus zero_extend sidi splits): Add it.
605 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
607 * extend.texi: Remove description of extension to explicit
608 instantiation that is now endorsed by standard C++.
610 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
612 * config/arc/arc.c (arc_initialize_pic): Remove.
613 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
614 nothing on any platform and is invoked by no-one, it does not even
615 appear in the documentation.
616 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
617 * config/sparc/sparc.c (initialize_pic): Likewise.
618 (find_addr_reg): Remove this as well, no longer referenced after
621 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
623 * recog.c (validate_replace_rtx_group): New function.
624 * recog.h (validate_replace_rtx_group): Declare it.
625 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
626 the entire group of substitutions.
628 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
630 * loop.c (load_mems): Fix initializers.
632 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
634 * config/sparc/sparc.md (TFmode splits): Handle destination
635 registers being referenced in the address correctly.
637 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
638 TREE_UNSIGNED, when bitsize of type's mode is larger than
639 HOST_BITS_PER_WIDE_INT.
641 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
643 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
644 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
645 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
647 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
650 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
652 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
653 * h8300.h (TINY_DATA_NAME_P): Likewise.
654 (STRIP_NAME_ENCODING): Handle '&'.
656 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
657 register (it could be accessed via an outer SUBREG).
658 (REG_OK_FOR_BASE_P): Likewwise.
659 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
661 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
664 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
666 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
668 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
669 must be offsettable so the splits can be made.
671 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
673 * config/i386/winnt.c: Include system.h, not stdio.h to get
674 sys/param.h pulled in before rtl.h in case the system defines MIN
677 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
679 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
681 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
683 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
685 * cpplib.c (cpp_define): Handle macros with parameters.
687 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
689 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
690 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
691 and DImode 64-bit. Use llong for minimal-toc SFmode and
692 SYMBOL_REF / LABEL_REF 64-bit.
693 (output_function_profiler): Use llong for profiler label and ld to
694 load 64-bit label address.
696 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
698 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
701 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
703 * version.c: Bump for snapshot.
705 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
707 * version.c: Bump for snapshot.
709 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
711 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
713 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
715 * tm.texi (Misc): Fix typo "teh".
717 * tm.texi (PIC): Fix typo "PPIC".
719 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
720 effect when -O2 and higher.
721 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
723 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
725 * regclass.c: Changed register set documentation to be consistent
728 * final.c (final_start_function) Removed redundant test for
731 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
733 * rtl.h (rtx_function): New type.
734 (for_each_rtx): New function.
735 * rtlanal.c (for_each_rtx): Define it.
737 * recog.c (change_t): New type.
738 (change_objects, change_old_codes, change_locs, change_olds):
740 (changes): New variable.
741 (validate_change): Dynamically allocate room for more changes, if
742 necessary. Uses changes array instead of change_objects, etc.
743 (apply_change_group): Use changes array instead of
746 * loop.c (loop_mem_info): New type.
747 (loop_mems): New variable.
748 (loop_mems_idx): Likewise.
749 (looop_mems_allocated): Likewise.
750 (scan_loop): Remove nregs parameter.
751 (next_insn_in_loop): New function.
752 (load_mems_and_recount_loop_regs_set): Likewise.
753 (load_mems): Likewise.
754 (insert_loop_mem): Likewise.
755 (replace_loop_mem): Likewise.
756 (replace_label): Likewise.
757 (INSN_IN_RANGE_P): New macro.
758 (loop_optimize): Don't pass max_reg_num() to scan_loop.
759 (scan_loop): Remove nregs parameter, compute it after any new
760 registers are created by load_mems. Use INSN_IN_RANGE_P and
761 next_insn_in_loop rather than expanding them inline. Call
762 load_mems to load memory into pseudos, if appropriate.
763 (prescan_loop): Figure out whether or not there are jumps from the
764 loop to targets other than the label immediately following the
765 loop. Call insert_loop_mem to notice all the MEMs used in the
766 loop, if it could be safe to pull MEMs into REGs for the duration
768 (strength_reduce): Use next_insn_in_loop. Tweak comments.
770 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
772 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
774 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
776 * config/sparc/sparc.c (finalize_pic): Check for the correct
777 nonlocal_goto_receiver UNSPEC number.
778 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
779 making note of this dependency existing in sparc.c
780 (negtf2_notv9 split): Give NEG SFmode.
781 (negsf2): Fix insn output string.
783 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
785 * c-common.c (decl_attributes): Issue an error if the argument
786 to alias is not a string.
788 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
790 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
791 pending memory flush list.
793 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
795 (try_combine): Allow combining insns with REG_LIBCALL notes.
797 * expr.c (emit_block_move): Do not call memcpy as a libcall
798 instead build up a CALL_EXPR and call it like any other
800 (clear_storage): Similarly for memset.
802 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
805 * Makefile.in (cplus-dem.o): Provide explicit rules for building
808 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
809 and REG_LIVE_LENGTH as successful substitutions are made.
811 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
813 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
814 statement after end of loop label.
816 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
818 * config/sparc/sparc.c (ultra_types_avail): New variable.
819 (ultra_build_types_avail): New function to record mask of insn
820 types in ready list at this cycle.
821 (ultrasparc_sched_reorder): Call it.
822 (ultra_find_type): Use it to quicken the search. Also simplif
823 dependency check, don't use rtx_equal_p because we know exactly
824 what we are looking for.
826 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
828 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
831 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
833 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
835 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
836 movdf_const_intreg and helper splits): New patterns to move float
837 constants into integer registers.
838 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
841 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
844 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
846 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
848 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
849 a BASE_REGS register is needed as an intermediate when copying
850 a symbolic value into any register class other than BASE_REGS.
852 * expr.c (move_by_pieces): No longer static. Remove prototype.
853 * rtl.h (move_by_pieces): Add extern prototype.
854 * mips.c (expand_block_move): Handle aligned straight line copy by
855 calling move_by_pieces.
857 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
860 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
862 * stmt.c (expand_end_loop): Tidy. Allow unconditional
863 jumps out of the loop to be treated as part of the exit test.
865 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
866 Jeff Law <law@cygnus.com>
868 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
869 * cplus-dem.c: Delete.
871 * Makefile.in (fold-const.o): depend on $(RTL_H).
873 * fold-const.c: Include rtl.h to get the prototype for
874 `set_identifier_local_value'.
876 * loop.c (express_from_1): Remove unused variable `tmp'.
877 (combine_givs): cast the first argument of bzero to char *.
879 * toplev.c (display_help): Remove unused variable `looking_for_start'.
881 * c-decl.c (init_decl_processing): Remove unneeded &.
883 * alpha.h (alpha_initialize_trampoline): Provide prototype.
885 * except.c (set_exception_lang_code, set_exception_version_code):
886 Change parameter from `short' to `int' to avoid using a gcc
889 * except.h (set_exception_lang_code, set_exception_version_code):
890 Likewise for prototypes.
892 * flow.c (count_reg_references): Remove unused variables `regno'
895 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
897 * prefix.c (translate_name): Cast the result of `alloca'.
899 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
901 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
903 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
905 (valid_dbcc_comparison_p): Mark mode argument as unused.
906 (symbolic_operand): Likewise.
907 (legitimize_pic_address): Likewise.
908 (const_uint32_operand): Likewise.
909 (const_sint32_operand): Likewise.
910 * sched.c [!INSN_SCHEDULING]: Define only dummy function
911 schedule_insns and comment out rest of file.
913 * m68k.c (output_move_simode_const): Use subl to move a zero into an
915 (output_move_[hq]imode): Likewise.
917 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
919 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
920 * invoke.texi: Corresponding changes.
922 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
924 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
926 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
928 * config/sparc/sparc.c (ultra_code_from_mask,
929 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
930 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
931 ultrasparc_sched_init, ultrasparc_variable_issue,
932 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
933 functions to describe UltraSPARC pipeline exactly to Haifa.
934 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
935 as there is nothing the scheduler can do about it. Indicate that
936 REG_DEP_OUTPUT's collide. Fixup formatting.
937 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
938 divide costs on Ultra for DImode.
939 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
941 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
942 ieuN and add call_no_delay_slot to type list.
943 (cti function unit): New unit for branches on UltraSPARC.
944 (subx/addx insns): Set type to misc.
945 (sidi zero/sign extension insns on arch64): Set type to shift.
946 (sign_extendhidi2_insn): Set type to sload.
948 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
950 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
951 (output_epilog): Use if != 0 for offset.
952 (rs6000_fatal_bad_address): Prepare for Intl.
953 * rs6000.h (rs6000_fatal_bad_address): Declare.
954 * rs6000.md (movsfcc, movdfcc): Use else if.
955 (elf_high): Use {liu|lis}.
956 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
957 (movsi): Use rs6000_fatal_bad_address.
959 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
961 * reload.c (find_equiv_reg): Reject equivalences separated
962 by a volatile instruction.
964 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
966 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
968 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
970 * alpha.md (movsicc): Fix mode mismatch.
972 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
974 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
976 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
978 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
980 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
981 write-only modifier from operand 1 constraint.
983 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
985 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
986 emitting a XOR of -1 at the end, emit a NOT instead for combine's
988 (sparc_emit_set_const64): Likewise, also when computing trailing
989 bits do not negate low_bits and make fast_int an int.
991 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
993 * loop.c (add_label_notes): Do not ignore references to labels
994 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
995 * gcse.c (add_label_notes): Similarly.
997 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
999 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1000 (adddi_dishl32): Similarly.
1002 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1004 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1005 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1006 * cse.c (cse_basic_block): Add parens to shut up warnings.
1008 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1010 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1011 sparc_emit_set_const64_longway, const64_is_2insns,
1012 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1013 in 64-bit constant formation.
1014 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1015 rtl for addx not subx.
1016 (define_insn movdi_const64_special): Make available even when
1017 HOST_BITS_PER_WIDE_INT is not 64.
1018 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1019 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1020 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1021 instances of operand 1 inside a QI subreg.
1022 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1023 (one_cmpldi2_sp64): Fix output string.
1024 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1026 (unnamed arch64 ashift DI): Truncate shift count if greater than
1029 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1031 * expr.c (store_expr): Don't optimize away load-store pair
1032 when either source or destination have a side effect.
1034 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1036 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1037 operands of SET are incompatible.
1039 * alpha.md: Fix max and min patterns so modes of SET operands match.
1041 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1043 * configure.in: Avoid [[ by using test and changequote.
1044 * configure: Rebuild.
1046 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1048 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1050 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1051 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1052 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1053 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1054 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1055 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1056 Fix mismatching modes in SET operands.
1057 (conditional move patterns): Fix formatting.
1058 (unnamed subx arch64 pattern): Remove duplicate insn.
1060 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1062 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1063 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1064 (input_operand): Fixup test for what we accept for constant
1066 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1068 (safe_constDI): Remove.
1069 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1070 gen_safe_XOR64): New functions.
1071 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1072 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1074 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1075 available when HOST_BITS_PER_WIDE_INT is not 64.
1076 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1077 move before movdi_insn_sp64 pattern.
1078 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1079 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1080 symbolic_operand as predicate for second operand.
1081 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1082 expander): Give set VOIDmode.
1084 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1086 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1088 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1090 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1092 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1094 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1096 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1098 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1100 * install.texi: Various SCO OpenServer tweaks.
1102 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1104 * reload1.c (eliminate_regs_in_insn): Handle another case when
1105 eliminating the frame pointer to the hard frame pointer. Add
1106 missing ep->to_rtx check to one existing case.
1108 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1110 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1112 * tree.h: De-conditionalize init_priority code.
1114 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1115 * collect2.c (NM_FLAGS): Change from -p to -n.
1117 * configure.in: Turn on collect2 for mipstx39-elf.
1118 Handle use_collect2=no properly.
1120 * c-common.c: De-conditionalize init_priority code.
1121 * collect2.c (extract_init_priority, sort_ids): New fns.
1122 (main): Call sort_ids.
1123 Move sequence_number to file scope.
1125 * configure.in: Handle --enable-init-priority.
1126 * c-common.c (attrs): Add A_INIT_PRIORITY.
1127 (init_attributes, decl_attributes): Likewise.
1128 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
1129 * tree.c (get_file_function_name_long): Split out...
1130 (get_file_function_name): ...from here.
1132 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1134 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
1137 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1139 * toplev.c (display_help): Add braces to shut up warnings.
1140 * tree.c (simple_cst_equal): Likewise.
1142 * fold-const.c (non_lvalue): Don't deal with null pointer
1144 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1146 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
1147 of any size to a pointer.
1149 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
1151 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
1153 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
1155 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
1156 which will be saved.
1157 * mn10300.md (prologue insn): Only save registers which need saving.
1158 (epilogue insn): Similarly.
1160 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
1163 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
1165 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
1166 VAR_DECL's in gp addressable sections.
1168 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
1170 * sparc.c: Change return <exp> to <exp>; return; in functions
1172 * sparc.md: Add empty semicolon statement after final label in
1175 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1177 * config/sparc/sparc.md (define_insn addx_extend): Rename to
1178 addx_extend_sp64, only allow when TARGET_ARCH64.
1179 (define_insn addx_extend_sp32 and split): Version that works when
1181 (define_insn subx_extend): Likewise.
1182 (define_split adddi3 and subdi3 with zero extension): Fixup and
1183 correct bugs when not TARGET_ARCH64.
1185 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
1187 * except.c (set_exception_lang_code, set_exception_version_code):
1188 Use prototype-style definition if __STDC__, to match declaration
1191 * genemit.c: Change FAIL and DONE macros not to use loops.
1193 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
1195 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
1196 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
1198 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
1200 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
1202 * README.g77: Update from Craig.
1204 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1206 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
1208 (safe_constDI sparc_emit_set_const64_quick1,
1209 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1210 analyze_64bit_constant, const64_is_2insns,
1211 create_simple_focus_bits): Fix some bugs when compiled on real
1213 (function_arg_record_value_3, function_arg_record_value_2,
1214 function_arg_record_value): Add fully prototyped forward decls.
1215 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
1216 to cmpsi_insn and use on both 64 and 32 bit targets.
1217 (define_insn cmpsi_insn_sp64): Remove.
1218 (define_expand zero_extendsidi2): Allow for 32-bit target too.
1219 (define_insn zero_extendsidi2_insn): Rename to
1220 zero_extendsidi2_insn_sp64.
1221 (define_insn zero_extendsidi2_insn_sp32): New pattern and
1222 assosciated forced split for it.
1224 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1226 * config/sparc/sparc.h: Declare them.
1227 (PREDICATE_CODES): Add them.
1228 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
1229 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
1231 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
1233 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
1234 in v9 case as the latter makes the Solaris assembler crash.
1236 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1238 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
1239 for TFmode when !v9. We require offsettable memory addresses.
1240 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
1241 DFmode register number conversions.
1242 * config/sparc/sparc.md (define_split DFmode moves): If register
1243 is a SUBREG do alter_subreg on it before using.
1244 (define_expand movtf): Fixup comment about alignment on v9.
1245 (define_split TFmode moves): Don't use gen_{high,low}part, create
1246 explicit SUBREGs instead.
1248 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
1250 * Makefile.in (mbchar.o): Depend on mbchar.c.
1252 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1253 Richard Henderson <rth@cygnus.com>
1255 Rewrite Sparc backend for better code generation and
1256 improved sparc64 support.
1257 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
1259 * config/sparc/sysv4.h: Likewise.
1260 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
1261 move_operand, v8plus_regcmp_op, emit_move_sequence,
1262 singlemove_string, doublemove_string, mem_aligned_8,
1263 output_move_double, output_move_quad, output_fp_move_double,
1264 move_quad_direction, output_fp_move_quad, output_scc_insn):
1266 (small_int_or_double): New predicate.
1267 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
1268 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
1269 old pic_{sethi,lo_sum}_si patterns.
1270 (mem_min_alignment): New generic function to replace
1271 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
1272 available and can test for arbitrary alignments. All callers
1274 (save_regs, restore_regs, build_big_number,
1275 output_function_prologue, output_cbranch, output_return,
1276 sparc_flat_save_restore, sparc_flat_output_function_prologue,
1277 sparc_flat_output_function_epilogue): Prettify
1279 (output_function_epilogue): Likewise and add code to output
1280 deferred case vectors.
1281 (output_v9branch): Likewise, add new arg INSN and use it to tack
1282 on branch prediction settings. All callers changed.
1283 (print_operand): Likewise and output %l44 for LO_SUMs when
1285 (sparc_splitdi_legitimate): New function to make sure DImode
1286 splits can be run properly when !arch64.
1287 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
1288 Reformat example code in comments.
1289 (set_extends): Remove UNSPEC/v8plus_clear_high case.
1290 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
1291 of deferred case vectors we need to output.
1292 (sparc_defer_case_vector): Record a case vector.
1293 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
1294 sparc_output_deferred_case_vectors): New functions to output them.
1295 (sparc_emit_set_const32): New function to form 32-bit constants in
1296 registers when that requires more than one instruction.
1297 (safe_constDI, sparc_emit_set_const64_quick1,
1298 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1299 analyze_64bit_constant, const64_is_2insns,
1300 create_simple_focus_bits, sparc_emit_set_const64): New functions
1301 which do the same for 64-bit constants when arch64.
1302 (sparc_emit_set_symbolic_const64): New function to emit address
1303 loading for all code models on v9.
1304 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
1305 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
1306 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
1307 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
1308 inaccuracies in comments, add symbolic and text_segment operands
1309 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
1310 GENERAL_REGS in these cases as a temp REG is needed to load these
1311 addresses into a register properly.
1312 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
1314 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
1315 quads are guarenteed to have 16-byte alignment.
1316 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
1317 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
1318 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
1319 deferred case vector implementation.
1320 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
1321 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
1322 Generate "internal label - label" instead of "label - 1b".
1323 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
1324 (PREDICATE_CODES): Remove sparc_operand, move_operand,
1325 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
1327 (doublemove_string, output_block_move, output_fp_move_double,
1328 output_fp_move_quad, output_move_double, output_move_quad,
1329 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
1330 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
1331 (sparc_emit_set_const32, sparc_emit_set_const64,
1332 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
1333 mem_min_alignment, small_int_or_double): Add externs.
1334 * config/sparc/sparc.md: Document the many uses of UNSPEC and
1335 UNSPEC_VOLATILE in this backend.
1336 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
1337 unary to types which execute in it.
1338 (define_function_unit ieu_shift): Rename to ieu0.
1339 (define_function_unit ieu1): New, executes compare, call, and
1340 uncond_branch type insns.
1341 (define_function_units for type fdivs, fdivd, fsqrt): These
1342 execute in the fpu multiply unit not the adder on UltraSparc.
1343 (define_expand cmpdi): Disallow TARGET_V8PLUS.
1344 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
1345 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
1346 allows the arith_double_operand predicate and rHI constraint when
1348 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
1349 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
1350 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
1351 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
1352 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
1353 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
1354 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
1355 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
1356 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
1357 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
1358 sign_extendqihi2_insn, sign_extendqisi2_insn,
1359 sign_extendqidi2_insn, sign_extendhidi2_insn,
1360 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
1361 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
1362 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
1363 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
1364 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
1365 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
1366 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
1367 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
1368 smulsi3_highpart_v8plus, unnamed subreg mult,
1369 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
1370 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
1371 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
1372 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
1373 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
1374 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
1375 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
1376 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
1377 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
1378 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
1379 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
1380 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
1381 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
1382 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
1383 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
1384 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
1385 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
1386 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
1387 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
1388 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
1389 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
1390 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
1391 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
1392 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
1393 call_address_untyped_struct_value_sp32,
1394 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
1395 call_value_symbolic_sp32, call_value_address_sp64,
1396 call_value_symbolic_sp64, branch_sp32, branch_sp64,
1397 flush_register_windows, goto_handler_and_restore,
1398 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
1399 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
1400 return_addsi, return_di, return_adddi, return_sf, all call+jump
1401 peepholes, trap, unnamed trap insns): Prettify output strings.
1402 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
1403 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
1404 Likewise and force + implement splits for integer cases.
1405 (define_insn return_sf_no_fpu): Likewise and allow to match when
1406 no-fpu because of our subreg SFmode splits.
1407 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
1408 zero_extendqidi2_insn, zero_extendhidi2_insn,
1409 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
1410 input_operand for second operand.
1411 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
1412 reg_or_0_operand for operand 2 so new splits can use it.
1413 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
1414 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
1416 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
1417 CONST_DOUBLEs for operand 2.
1418 (define_insn move_label_di): Likewise and label distance
1419 optimization because it no longer works with new deferred case
1420 vector scheme. To be revisited.
1421 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
1422 and allow reg_or_0_operand and J constraint for second operand.
1423 (define_insn jump): Set branch predict taken on V9.
1424 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
1425 new deferred case vector scheme.
1426 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
1427 (define_insn negdi2_sp32): Force + implement splits.
1428 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
1429 one_cmplsi2_not_liveg0 respectively, and create expander of original
1430 names which emit special rtl for TARGET_LIVE_G0.
1431 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
1432 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
1433 gen_compare_reg, FAIL instead.
1434 (define_insn sgtu, sleu): Likewise and check gen_s*() return
1435 values when trying to reverse condition codes, if they FAIL then
1437 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
1438 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
1439 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
1440 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
1441 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
1442 set output string to # to indicate they are mandatory splits.
1443 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
1444 pic_sethi_di, move_pic_label_si): Remove.
1445 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
1446 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
1448 (define_expand movsi_pic_label_ref, define_insn
1449 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
1450 expander and insns to handle PIC label references and deferred
1452 (define_insn get_pc_via_rdpc): Comment out as it is no longer
1454 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
1455 Rewrite to not use emit_move_sequence, make use of new constant
1456 formation code, and new splits for all multi-insn cases.
1457 (define_insn movqi_insn): Remove sethi case, it can never happen.
1458 Use reg_or_zero_operand instead of const0_rtx explicit test,
1459 use input_operand instead of move_operand for source, and use
1460 general_operand now for dest.
1461 (define_insn movhi_insn): Similar but leave sethi case.
1462 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
1463 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
1464 movhi_lo_sum respectively, prettify output string.
1465 (define_insn movsi_zero_liveg0): New pattern to put zero into a
1466 register when needed on TARGET_LIVE_G0.
1467 (define_insn movsi_insn): Use general_operand and input_operand
1468 for dest and src respectively. Simplify applicability test.
1469 Prettify output strings, and add clr alternative for J
1471 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
1472 deprecated std and reg-reg DI moves): Remove and...
1473 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
1474 implementation which uses forced splits for all non-single insn
1476 (define_split DI move cases on !arch64): New splits to handle all
1477 situations of 64-bit double register DImode on 32bit, and
1478 unaligned registers and memory addresses for all subtargets.
1479 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
1481 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
1482 input_operand for dest and src respectively, prettify output
1484 (define_insn movdf_insn, movdf_no_e_insn, store_df,
1485 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
1487 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
1488 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
1489 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
1490 movtf_no_e_insn_sp64) Replace with new
1491 implementation which uses forced splits for all non-single insn
1493 (define_split DF move cases): New splits in similar vein to DI
1495 (define_insn sethi_di_medlow, sethi_di_medium_pic,
1496 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
1497 movdi_sp64_insn): Remove old v9 code model and constant loading
1499 (define_insn pic_lo_sum_di, pic_sethi_di,
1500 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
1501 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
1502 embmedany_sethi, embmedany_losum, embmedany_brsum,
1503 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
1504 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
1505 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
1506 scheme, using unspecs, secondary reloads, and one to one sparc
1507 insn to rtl insn mapping for better scheduling and code gen.
1508 (define_expand reload_indi, reload_outdi): Reload helpers for
1509 MEDANY and EMBMEDANY symbol address loading cases which require a
1511 (define_expand movsicc): Remove v8plus_regcmp cases.
1512 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
1513 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
1514 cmp_diqi_trunc_set): New patterns used by some of the new scc
1516 (define_insn xordi3_sp64_dbl): New pattern used for constant
1517 formation when crossing from 32-bit targets.
1518 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
1520 (define_insn addx, subx): Make visible and prettify.
1521 (define_insn adddi3_insn_sp32): Likewise and force split.
1522 (define_insn addx_extend, subx_extend, unnamed): New patterns for
1523 64bit scc split usage.
1524 (define_insn unnamed plusDI zero_extend, unnamed minusDI
1525 zero_extend, subdi3): Force and implement splits.
1527 * final.c (final_scan_insn): Don't output labels if target
1528 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
1531 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
1532 don't forget to walk inside SEQUENCESs too as these are what the
1533 delay slot scheduler will create.
1535 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
1537 * alpha.md (extxl+1,+2): New patterns to work around
1540 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
1542 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
1543 caused bad assembly code to be generated.
1545 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
1547 * netbsd.h: Fix typo.
1549 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
1551 * config.sub: Fix typo.
1553 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
1555 * invoke.texi (Environment Variables): Typo: Change "ascpects"
1557 (Running Protoize): Typo: Change "ther" into "other".
1559 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
1561 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
1562 * m68k/netbsd.h: Likewise.
1563 * ns32k/netbsd.h: Likewise.
1564 * sparc/netbsd.h: Likewise.
1566 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
1568 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
1569 * ginclude/va-clipper.h (va_list): Likewise.
1571 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
1573 * rs6000.c (rs6000_override_options): If big endian and -Os, use
1574 load/store multiple instructions unless user overrides.
1576 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
1578 * ns32k/netbsd.h: Fix typo.
1580 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
1582 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
1583 labels with .debugsym if no parallel insns.
1585 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
1587 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
1588 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
1590 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
1592 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
1593 (AR_FOR_TARGET): Define.
1595 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
1597 * dyn-string.h: New file.
1598 * dyn-string.c: Likewise.
1599 * Makefile.in (OBJS): Add dyn-string.o.
1600 (dwarf2out.o): Add dyn-string.h dependency.
1601 (dyn-string.o): List dependencies.
1602 * dwarf2out.c: Include dyn-string.h.
1603 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
1604 (addr_const_to_string): Take a dyn_string_t, not a char* as a
1605 prototype. Use dyn_string_append rather than strcat, throughout.
1606 (addr_to_string): Use dyn_string_t.
1608 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
1610 Function entry/exit profiling instrumentation:
1611 * expr.h (profile_function_entry_libfunc,
1612 profile_function_exit_libfunc): Declare new variables.
1613 * optabs.c: Define them here.
1614 (init_optabs): Initialize them.
1615 * tree.h (struct tree_decl): New flag
1616 no_instrument_function_entry_exit.
1617 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
1618 * c-decl.c (duplicate_decls): Merge it.
1619 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
1620 (init_attributes): Use it for "no_instrument_function".
1621 (decl_attributes): Handle it, for functions that have not yet been
1622 compiled. Set decl flag.
1623 * flags.h (flag_instrument_function_entry_exit): Declare new
1625 * toplev.c (flag_instrument_function_entry_exit): Define it here.
1626 (f_options): New option "instrument-functions".
1627 * function.h (struct function): New field instrument_entry_exit.
1628 * function.c (current_function_instrument_entry_exit): New
1630 (push_function_context_to, pop_function_context_from): Save and
1632 (expand_function_start): Set current_ variable, maybe emit return
1633 label and entry profile call.
1634 (expand_function_end): Maybe emit exit profile call.
1636 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
1638 * i386.md (movqi): When optimizing a load of (const_int 1) into a
1639 NON_QI_REG_P, pretend the register is SImode.
1641 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
1643 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
1644 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
1645 manufacturer id for ns32k.
1646 * configure: Regenerated.
1647 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
1648 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
1649 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
1650 * config/m68k/netbsd.h: Same.
1651 * config/ns32k/netbsd.h: Same.
1652 * config/sparc/netbsd.h: Same.
1654 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
1656 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
1657 or UNROLL_COMPLETELY loop that starts with a jump to its
1660 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
1662 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
1663 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
1664 (print_operand, case 'B'): Don't fall through.
1665 (print_operand, case 'S'): Correct mask begin/end computation.
1666 Use HOST_BITS_PER_WIDE_INT.
1667 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
1668 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
1669 * rs6000/aix41.h (CPP_PREDEFINES): Same.
1670 * rs6000/aix43.h (CPP_PREDEFINES): Same.
1672 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
1674 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
1675 constraint from second alternative.
1677 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1679 * configure.in: Fix --without/--disable cases for local-prefix,
1680 gxx-include-dir and checking.
1682 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1684 * configure.in (enable_haifa): Set by default for sparc64 too.
1687 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1689 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
1690 * i386/winnt.c (associated_type): New fn.
1691 (i386_pe_valid_type_attribute_p): New fn.
1692 (i386_pe_check_vtable_importexport): Remove.
1693 (i386_pe_dllexport_p): Use associated_type.
1694 (i386_pe_dllimport_p): Likewise.
1696 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
1697 * i386.c (i386_valid_type_attribute_p): Also accept
1698 attributes for METHOD_TYPEs.
1700 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
1702 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
1704 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
1706 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
1708 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
1709 them from generating a new base name for each occurence of
1712 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
1714 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
1716 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
1720 * cplus-dem.c (type_kind_t): New type.
1721 (demangle_template_value_parm): Add type_kind_t parameter. Rely
1722 on this paramter, rather than demangling the type again.
1723 (demangle_integral_value): Pass tk_integral.
1724 (demangle_template_: Pass the value returned from do_type.
1725 (do_type): Return a type_kind_t. Pass tk_integral to
1726 demangle_template_value_parm for array bounds.
1727 (demangle_fund_type): Likewise.
1729 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
1731 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
1734 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
1736 * pa.c (move_operand): Accept CONSTANT_P_RTX.
1738 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
1740 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
1742 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
1745 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
1747 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
1748 (DEBUGGER_ARG_OFFSET): Likewise.
1750 * mn10300.md (movsf): Remove last change. Not needed.
1752 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
1754 * c-lex.c (yylex): Fix boundary conditions in character literal and
1755 string literal loops.
1757 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
1759 * longlong.h (count_leading_zeros): Sparclite scan instruction was
1760 being invoked incorrectly.
1762 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
1763 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
1765 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
1766 * configure.in: Added i[34567]86-*-win32
1767 * config.sub: Ditto.
1768 * configure: Rebuilt.
1770 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
1772 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
1773 the frame pointer and compiling PIC code and reload has not completed.
1775 * i386.c (output_to_reg): Add code to emulate non-popping DImode
1778 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
1780 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
1782 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1784 * Makefile.in (install-info): Only try to update the info
1785 directory file if it exists in the first place.
1787 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
1789 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
1791 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
1793 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
1794 CONST_DOUBLE source.
1796 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
1798 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
1799 strings as the insertion of USER_LABEL_PREFIX.
1800 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
1802 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
1805 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
1807 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
1808 already defined type.
1810 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
1812 * expr.c (check_max_integer_computation_mode): Allow conversions
1813 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
1814 (expand_expr): Likewise.
1816 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1818 * expr.c (expand_expr): Expand RETURN_EXPR.
1820 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
1822 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
1824 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
1826 * dwarf2out.c (output_aranges): Call stripattributes
1827 for TEXT_SECTION references.
1828 (output_line_info): Likewise.
1830 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1832 * profile.c (branch_prob): Call allocate_reg_info after outputting
1833 profile rtl in instrument_arcs.
1835 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
1837 * fixinc.irix (math.h): Install wrapper instead of copying.
1839 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1841 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
1842 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
1843 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
1844 lang_flag_0. Added documentation in the flag table.
1846 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
1848 * cccp.c (do_include): Fix vax c style include handling.
1850 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1852 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
1854 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
1856 * fold-const.c (non_lvalue): Don't deal with null pointer
1858 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1860 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
1862 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
1863 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
1864 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
1865 (u_short_cint_operand): Same.
1866 (reg_or_cint_operand): Same.
1867 (logical_operand): Same.
1868 (input_operand): Same.
1869 (reg_or_short_operand): Use u_short_cint_operand.
1871 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
1873 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
1874 but keep the insns and splits. Adjust so when the ultimate destination
1875 is memory, use cvtql.
1877 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
1879 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
1881 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
1883 * gcc.c (do_spec): Call "error" not "warning".
1885 * configure.in: Fix minor problems with gas feature detection code.
1886 * configure: Rebuilt.
1888 * gcc.c (do_spec): Issue a warning for '%[]' usage.
1891 * gcc.c: Delete %[spec] support.
1892 (do_spec_1, case '('): Likewise.
1893 (do_spec_1, case '['): Call error.
1895 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
1897 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
1898 (CPP_SUBTARGET_SPEC): Default to empty string.
1899 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
1900 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
1901 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
1902 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
1904 * alpha/linux.h (CPP_PREDEFINES): Tidy.
1905 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
1906 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
1907 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
1908 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
1909 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
1910 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
1911 * alpha/vxworks.h: Likewise.
1913 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
1915 * mips.md (reload_outsi): Added missing REGNO call.
1916 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
1918 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
1919 another match_operator and compare the codes.
1921 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
1923 * MIPS multiply pattern fixes:
1924 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1925 Add union classes for HI, LO, or HILO plus general registers.
1926 (GENERATE_MADD): Deleted.
1927 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
1928 Add TARGET_MAD to condition.
1929 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
1930 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
1931 "*d" for accumulator, to give preference to LO initially but not
1934 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
1936 * configure.in (enable_c_mbchar): New configure option.
1937 (extra_cpp_objs): Always available now.
1939 * cexp.y (mbchar.h): #include it.
1940 (yylex): Handle Multibyte characters in character literals.
1942 * cccp.c (mbchar.h): #include it.
1943 (main): Set character set based on LANG environment variable.
1944 (rescan): Handle multibyte characters in comments.
1945 (skip_if_group): See above.
1946 (validate_else): See above.
1947 (skip_to_end_of_comment): See above.
1948 (macarg1): See above.
1949 (discard_comments): See above.
1950 (rescan): Handle multibyte characters in string and character literals.
1951 (collect_expansion): See above.
1952 (skip_quoted_string): See above.
1953 (macroexpand): See above.
1954 (macarg1): See above.
1955 (discard_comments): See above.
1956 (change_newlines): See above.
1958 * c-lex.c (mbchar.h): #include it.
1959 (GET_ENVIRONMENT): New macro.
1960 (init_lex): Set character set based on LANG environment variable.
1961 (yylex): Handle multibyte characters in character literals.
1962 (yylex): Handle multibyte characters in string literals.
1964 * Makefile.in (mbchar.o): New target.
1965 (cccp$(exeext)): @extra_cpp_objs@ is always available.
1966 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
1968 * mbchar.[ch]: New files for multibyte character handling.
1970 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1972 * jump.c (jump_optimize): When simplifying noop moves and
1973 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
1974 the PUSHes to rewrite in second loop as we did in the first.
1976 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1978 * cplus-dem.c (demangle_nested_args): Make function definition
1979 static to match the prototype.
1981 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
1983 * alloca.c: Respect USE_C_ALLOCA.
1984 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
1985 * gengenrtl.c (xmalloc): Likewise.
1987 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
1989 * loop.h (struct induction): Add no_const_addval.
1990 * loop.c (the_movables, reg_address_cost): New variables.
1991 (init_loop): Init reg_address_cost.
1992 (loop_optimize): Call end_alias_analysis.
1993 (scan_loop): Init the_movables.
1994 (record_giv): Init induction->no_const_addval.
1995 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
1996 [REG]: Rearrange loop search test to catch more cases.
1997 (general_induction_var): Return success not benefit; take an extra
1998 argument for that. Change all callers.
1999 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2000 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2001 [default]: Search the_movables for additional combinations.
2002 (sge_plus_constant, sge_plus): New functions.
2003 (express_from_1): New function.
2004 (express_from): Always define. Rewrite using express_from_1.
2005 (combine_givs_p): Handle more cases. Ignore address cost.
2006 (cmp_combine_givs_stats): New function.
2007 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2008 (combine_givs): Rewrite to do best-fit combination.
2010 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2011 (fold): Do a complete (A*C)+(B*C) association check.
2013 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2015 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2017 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2019 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2021 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2023 * tree.c (valid_machine_attribute): Only create a new type variant if
2024 there is a decl to use it.
2026 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2028 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2031 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2033 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2036 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2038 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2039 Simplify tests for clearing an address register.
2040 (expand_prologue): Corresponding changes.
2042 * mn10300.md (movXX patterns): Make sure the destination is an
2043 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2044 (logical patterns): Split into expanders + patterns
2045 (zero and sign extension patterns): Similarly.
2046 (shift patterns): Similarly.
2048 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2050 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2051 for the sequence, recording base values.
2053 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2055 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2057 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2059 * gcc.c: Remove ANSI-C ism from --help code.
2061 * toplev.c: Support --help with USE_CPPLIB.
2063 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2065 * configure.in: Rework gas feature code to work with symlink based
2068 * extend.texi: Clarify some issues related to local variables
2069 assigned to explicit registers.
2071 * mn10300.md (mulsi): Turn into expander + pattern.
2073 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2076 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2078 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2080 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2082 * version.c: Bump again to distinguish mainline tree from the
2085 See ChangeLog.0 for earlier changes.
2088 add-log-time-format: current-time-string
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