1 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3 * global.c (reg_allocno): Now static.
4 * reload1.c (reg_allocno): Delete declaration.
5 (order_regs_for_reload): Take no arguments. Don't treat regs
6 allocated by global differently than those allocated by local-alloc.
8 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
10 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
11 condition, fix format strings.
12 (output_function_epilogue): Likewise.
14 * m68k/m68k.c: Don't include <stdlib.h> directly.
16 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
18 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
19 mem_first_set, mem_last_set; because 0 can be a CUID.
20 (oprs_unchanged_p): Use new definition.
21 (record_last_reg_set_info): Likewise.
22 (record_last_mem_set_info): Likewise.
23 (compute_hash_table): Likewise.
25 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
27 * rs6000.c (output_epilogue): Handle Chill.
29 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
30 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
32 * combine.c (make_extraction): If no mode is specified for
33 an operand of insv, extv, or extzv, default it to word_mode.
34 (simplify_comparison): Similarly.
35 * expmed.c (store_bit_field): Similarly.
36 (extract_bit_field): Similarly.
37 * function.c (fixup_var_regs_1): Similarly.
38 * recog.c (validate_replace_rtx_1): Similarly.
39 * mips.md (extv, extzv, insv expanders): Default modes for most
40 operands. Handle TARGET_64BIT.
41 (movdi_uld, movdi_usd): New patterns.
43 * pa.c (emit_move_sequence): Do not replace a pseudo with its
44 equivalent memory location unless we have been provided a scratch
45 register. Similarly do not call find_replacement unless a
46 scratch register has been provided.
48 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
50 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
53 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
55 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
56 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
57 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
58 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
59 * c-decl.c (init_decl_processing): Update accordingly.
60 * expr.c (expand_builtin): Likewise.
62 * rtl.h (global_rtl): Add cfa entry.
63 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
64 (LAST_VIRTUAL_REGISTER): Update.
65 * emit-rtl.c (global_rtl): Add cfa entry.
66 (init_emit): Initialize it.
67 * function.c (cfa_offset): New.
68 (instantiate_virtual_regs): Initialize it.
69 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
70 (expand_function_end): Call expand_eh_return.
71 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
73 * except.c (current_function_eh_stub_label): Kill.
74 (current_function_eh_old_stub_label): Likwise; update all references.
75 (expand_builtin_set_return_addr_reg): Kill.
76 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
77 (expand_builtin_set_eh_regs): Kill.
78 (eh_regs): Produce a third reg for the actual handler address.
79 (eh_return_context, eh_return_stack_adjust): New.
80 (eh_return_handler, eh_return_stub_label): New.
81 (init_eh_for_function): Initialize them.
82 (expand_builtin_eh_return, expand_eh_return): New.
83 * except.h: Update prototypes.
84 * flow.c (find_basic_blocks_1): Update references to the stub label.
85 * function.h (struct function): Kill stub label elements.
87 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
88 register number is one that would be in the previous window.
89 Provide a dummy definition for non-windowed targets.
90 (get_reg_addr): New function.
91 (get_reg, put_reg, copy_reg): Use it.
92 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
93 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
95 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
96 (alpha_init_expanders): Initialize it.
97 (alpha_expand_epilogue): Use it.
98 * alpha.h: Declare it.
99 * alpha.md (eh_epilogue): New.
101 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
102 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
104 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
106 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
109 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
111 * except.h (struct eh_entry): Add false_label field.
112 (end_catch_handler): Add prototype.
113 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
114 (start_catch_handler): When using old style exceptions, issue
115 runtime typematch code before continuing with the handler.
116 (end_catch_handler): New function, generates label after handler
117 if needed by older style exceptions.
118 (expand_start_all_catch): No need to check for new style exceptions.
119 (output_exception_table_entry): Only output the first handler label
120 for old style exceptions.
121 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
122 mechanism into one function, if a runtime matcher is provided.
124 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
126 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
128 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
130 * integrate.c (copy_decl_list): Fix typo.
132 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
134 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
137 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
139 * version.c: Bump for snapshot.
141 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
143 * version.c: Bump for snapshot.
145 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
147 * version.c: Bump for snapshot.
149 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
151 * invoke.texi (C Dialect Options): Put back missing @end itemize.
153 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
155 * configure.in: remove usage of `!' to negate the result of a
156 command; some common shells do not support it
158 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
160 * configure.in: in sparc9-sol2 config, use 'if test' not
162 * configure: Rebuilt.
164 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
166 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
167 (CPP_CPU_DEFAULT_SPEC): Likewise.
168 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
171 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
174 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
176 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
178 * collect2.c: Don't declare `sys_siglist' here.
179 (my_strsignal): Prototype and define new function. Use it in
180 place of `sys_siglist' hacks.
182 * mips_tfile.c: Likewise.
184 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
185 (GCC_NEED_DECLARATIONS): Likewise.
187 * system.h (strsignal): Prototype it, if necessary.
188 (sys_siglist): Declare it, if necessary.
190 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
192 * loop.c (move_movables): While removing insn sequences, preserve
193 the next pointer of the most recently deleted insn when we skip
196 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
198 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
199 supported with -mcpu=xxx.
201 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
203 * flow.c (mark_set_1): Recognize multi-register structure return
204 values in CALL insns.
205 (mark_used_regs): Likewise.
206 (count_reg_sets_1): Likewise.
207 (count_reg_references): Likewise.
208 * rtlanal.c (note_stores): Likewise.
209 (reg_overlap_mentioned_p): Likewise.
210 * haifa-sched.c (check_live_1): Likewise.
211 (update_live_1): Likewise.
212 (sched_analyze_1): Likewise.
213 (sched_note_set): Likewise.
214 (birthing_insn_p): Likewise.
215 (attach_deaths): Likewise.
217 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
220 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
222 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
224 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
226 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
228 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
230 * configure.in: Add check for GAS subsection -1 support.
231 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
232 * configure config.in: Rebuilt.
233 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
234 SImode is subsection -1 works, else use DImode.
235 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
237 * config/sparc/sparc.c (sparc_output_addr_vec,
238 sparc_output_addr_diff_vec): Use them if defined.
240 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
242 * tree.h (DECL_ORIGIN): New macro.
243 * integrate.c (copy_and_set_decl_abstract_origin): New function.
244 (copy_decl_list): Use it.
245 (integrate_parm_decls): Likewise.
246 (integrate_decl_tree): Likewise.
247 * dwarf2out.c (decl_ultimate_origin): Simplify.
248 * dwarfout.c (decl_ultimate_origin): Likewise.
249 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
250 (pushdecl): Likewise.
252 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
254 * config/rs6000/rs6000.c (output_epilog): Add Java support.
256 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
258 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
260 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
262 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
263 empty or has a single entry.
265 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
266 before calling reg_to_stack.
268 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
270 * alpha.c (alphaev5_insn_pipe): Abort on default case.
271 (alphaev5_next_group): Swallow CLOBBERs and USEs.
273 * c-tree.h (warn_long_long): Declare it.
275 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
277 * emit-rtl.c (gen_lowpart_common): Disable optimization of
278 initialized float-int union if the value is a NaN.
280 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
282 * c-lex.c (real_yylex): Don't warn about long long constants if
283 we're allowing long long
285 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
287 * except.h (current_function_eh_stub_label): Declare.
288 (current_function_eh_old_stub_label): Declare.
289 * function.h (struct function): New members eh_stub_label and
291 * except.c (current_function_eh_stub_label): New variable.
292 (current_function_eh_old_stub_label): New variable.
293 (init_eh_for_function): Clear them.
294 (save_eh_status): Save them.
295 (restore_eh_status): Restore them.
296 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
297 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
298 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
299 make an edge from the block that contains it to the block starting
300 with the label if this label is one of the eh stub labels.
301 If eh stub labels exist, show they are reachable from the last block
304 * reload1.c (reload): Break out several subroutines and make some
306 (calculate_needs_all_insns): New function, broken out of reload.
307 (calculate_needs): Likewise.
308 (find_reload_regs): Likewise.
309 (find_group): Likewise.
310 (find_tworeg_group): Likewise.
311 (something_needs_reloads): New global variable, formerly in reload.
312 (something_needs_elimination): Likewise.
313 (caller_save_spill_class): Likewise.
314 (caller_save_group_size): Likewise.
315 (max_needs): Likewise.
316 (group_size): Likewise.
317 (max_groups): Likewise.
318 (max_nongroups): Likewise.
319 (group_mode): Likewise.
320 (max_needs_insn): Likewise.
321 (max_groups_insn): Likewise.
322 (max_nongroups_insn): Likewise.
325 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
327 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
329 * loop.c (load_mems): Copy rtx for output mem.
331 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
333 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
334 mips1 or mips2 either.
336 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
338 * pa.c (pa_reorg): New marking scheme for jumps inside switch
340 (pa_adjust_insn_length): Update to work with new marking scheme
341 for jumps inside switch tables.
342 * pa.md (switch_jump): Remove pattern.
343 (jump): Handle jumps inside jump tables.
345 * Makefile.in (profile.o): Depend on insn-config.h
347 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
349 * iris6.h (DWARF2_UNWIND_INFO): Undef.
351 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
353 Add preliminary native sparcv9 Solaris support.
354 * configure.in: Recognize sparv9-*-solaris2*
356 * config.sub: Recognize sparcv9 just like sparc64.
357 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
358 config/sparc/sol2-cn.asm: Macroize so it can be shared between
359 32-bit and 64-bit Solaris systems.
360 * config/sparc/t-sol2: Assemble those with cpp.
361 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
362 (*TF*_LIBCALL): If ARCH64 use V9 names.
363 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
365 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
367 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
368 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
370 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
372 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
373 to Pmode if CASE_VECTOR_MODE is something else.
375 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
377 * prefix.c (update_path): Correctly handle cases where PATH is
378 a substring of the builtin prefix, but specifies a different
381 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
383 * expr.c: Corrected comment about what MOVE_RATIO does.
384 * config/alpha/alpha.h: Ditto.
385 * config/1750a/1750a.h: Ditto.
386 * config/clipper/clipper.h: Ditto.
387 * config/i386/i386.h: Ditto.
389 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
391 * configure.in (m68k-next-nextstep3*): Use collect2.
392 Similarly for x86 NeXT configurations.
393 * configure: Rebuilt.
395 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
397 * configure.in: Don't assume srcdir is .../gcc
398 * configure: Rebuilt.
400 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
402 * global.c: Update comments.
403 (global_alloc): Assign allocation-numbers
404 even for registers allocated by local_alloc in case
405 they are later spilled and retry_global_alloc is called.
406 (mark_reg_store, mark_reg_clobber,
407 mark_reg_conflicts, mark_reg_death): Always record a
408 conflict with a pseudo register even if it has been
409 assigned to a hard register.
410 (dump_conflicts): Don't list pseudo registers already assigned to
411 a hard register as needing to be allocated, but do list their
413 * local-alloc.c: Update comment.
415 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
417 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
418 * configure: Rebuilt.
420 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
422 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
424 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
425 for all targets that set -msoft-float.
427 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
429 * toplev.c (print_switch_values): Make static to match prototype.
431 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
433 * configure.in: If we are unable to find the "gnatbind" program,
434 then do not configure the ada subdir.
435 * configure: Rebuilt.
437 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
439 * version.c: Bump for snapshot.
441 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
443 * version.c: Bump for snapshot.
445 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
447 * Makefile.in (toplev.o): Depend on $(EXPR_H).
448 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
450 * gansidecl.h: Define ATTRIBUTE_NORETURN.
452 * genattrtab.c: Have insn-attrtab.c include toplev.h.
454 * genextract.c: Have insn-extract.c include toplev.h.
456 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
458 * toplev.c: Include expr.h.
459 (really_sorry, fancy_abort): Remove prototypes.
460 (set_target_switch): Add argument in prototype.
461 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
462 (v_really_sorry): Likewise.
463 (print_version, print_single_switch, print_switch_values): Make
464 static and add prototype arguments.
465 (decl_printable_name): Add prototype arguments.
466 (lang_expand_expr_t): New typedef.
467 (lang_expand_expr): Declare as a lang_expand_expr_t.
468 (incomplete_decl_finalize_hook): Add prototype argument.
469 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
470 (botch): Likewise for variable `s'.
471 (rest_of_type_compilation): Mark variables `type' and `toplev'
472 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
473 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
474 (display_help): Make variable `i' an `unsigned long'.
475 (main): Remove unused parameter `envp'.
476 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
477 Cast -1 when comparing it with a `size_t'.
479 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
480 prototype with ATTRIBUTE_NORETURN.
481 (fatal_insn_not_found, fatal_insn, really_sorry,
482 push_float_handler, pop_float_handler): Add prototypes.
483 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
484 (do_abort, botch): Add prototypes.
486 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
488 * final.c (final): If a label is reached only from a single jump,
489 call NOTICE_UPDATE_CC on the jump and its predecessor before
490 emitting the insn after the label.
492 * i386.h: Add AMD K6 support.
493 Change TARGET_* macros to use table lookup.
494 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
495 (ADJUST_COST): Change definition to call function in i386.c.
496 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
497 * i386.c: Add AMD K6 support.
498 Add constants for feature tests used by TARGET_* macros.
499 (split_di): If before reload, call gen_lowpart and gen_highpart.
500 (x86_adjust_cost): New function.
501 (put_jump_code): New function.
502 (print_operand): New codes 'D' and 'd'.
503 * i386.md: New insn types. New insn attribute "memory".
504 Redefine scheduling parameters to use new types and add AMD K6
505 support. Explicitly set type of most insns.
506 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
507 Pro and K6 prefer movl $1,reg to incl reg.
508 (adddi3, subdi3): Set cc_status.
509 (DImode shift patterns): Change label counters from HOST_WIDE_INT
510 to int; x86 can't have more than 2^31 DImode shifts per file.
511 (setcc): Combine all setcc patterns. Allow writing memory.
512 Combine all jump patterns using match_operator.
513 (*bzero): Name pattern. Emit mutliple stos instructions when that
514 is faster than rep stos.
515 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
518 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
520 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
523 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
525 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
526 not whatever we're generating now.
528 * alpha.c (set_frame_related_p, FRP): New.
529 (alpha_expand_prologue): Mark frame related insns.
530 (alpha_expand_epilogue): Likewise, but with a null FRP.
531 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
532 * alpha.md (exception_receiver): New.
533 * alpha/crtbegin.asm (.eh_frame): New beginning.
534 (__do_frame_setup, __do_frame_takedown): New.
535 * alpha/crtend.asm (.eh_frame): New ending.
536 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
537 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
538 (ASM_FILE_START): Don't emit .file for dwarf2.
540 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
541 * rtl.c (reg_note_name): Likewise.
542 * rtl.texi (REG_NOTES): Likewise.
543 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
546 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
548 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
549 * i386.md (movsf, movdf, movxf): Validate memory address returned
550 from force_const_mem. Kill useless REG_EQUAL setting code.
552 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
554 * m68k.md (zero_extendsidi2): Fix typo.
556 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
558 * configure.in: Removed references to the removed file
559 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
560 * arm*-*-netbsd* and ns32k-*-netbsd*.
561 * config/i386/xm-netbsd.h: Removed unnecessary file.
562 * config/m68k/xm-netbsd.h: Likewise.
563 * config/sparc/xm-netbsd.h: Likewise.
564 * config/mips/xm-netbsd.h: Likewise.
566 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
568 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
569 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
571 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
572 for exact section attributions.
574 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
576 * i386/crtdll.h (CPP_PREDEFINES): Define.
578 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
580 * m68k.md (5200 movqi): Do not allow byte sized memory references
582 * m68k.c (output_move_qimode): Do not use byte sized operations on
585 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
586 explicit rules for building. Similarly for alloca, vfprintf,
587 choose-temp and mkstemp, getopt, getopt1, and obstack.
588 (INCLUDES): Add $(srcdir)/../include.
589 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
590 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
592 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
594 * gcc.c (do_spec_1): [case 'o'] Account for
595 lang_specific_extra_outfiles.
596 (main): Correctly clear all slots in outfiles for
597 lang_specific_extra_outfiles. Set input_file_number before
598 calling lang_specific_pre_link.
600 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
602 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
604 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
606 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
608 (sparc_output_deferred_case_vectors): If no work to do, return.
609 Fix thinko in Sept 1 change.
611 1998-09-03 SL Baur <steve@altair.xemacs.org>
613 * Makefile.in: add semicolon in BISON definition for portability.
615 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
617 * config/nextstep.c (handle_pragma): Correct name of third
620 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
622 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
623 * config/m32r/m32r.h: Make register 17 be fixed.
624 * config/m32r/m32r.c: Use SImode for cc operations.
626 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
628 * invoke.texi (Warning Options): Add -Wnon-template-friend
631 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
633 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
635 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
637 * rs6000.md (movsf): Disable explicit secondary-reload-like
638 functionality if TARGET_POWERPC64.
639 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
642 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
644 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
645 and term.h from fixinc.wrap.
647 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
649 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
650 safe to include both string.h and strings.h together.
651 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
652 which headers to search for function declarations. Continue to
653 prefer string.h over strings.h when both are not acceptable.
655 * acconfig.h (STRING_WITH_STRINGS): Add stub.
657 * configure.in: Call GCC_HEADER_STRING.
659 * system.h: Test STRING_WITH_STRINGS when deciding which headers
660 to include. Continue to prefer string.h over strings.h when both
663 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
665 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
666 not assume top 32-bits of symbolic addresses are zero if
669 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
671 * ginclude/va-alpha.h: Protect entire second portion of the
672 file against double inclusion.
674 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
676 Added support for the Boehm's garbage collector.
677 * configure.in: Handle --enable-objc-gc.
678 * configure: Rebuilt.
679 * Makefile.in (CHECK_TARGETS): Add check-objc.
680 (check-objc): New rule.
681 * objc/Make-lang.in: Build a different Objective-C library that
682 runs with the Boehm's collector.
683 * objc/encoding.c (objc_round_acc_size_for_types): New function.
684 * objc/encoding.c: Correctly compute the size of compound types in
685 the presence of bitfields. Skip the variable name of the type if
686 any. Added support for long long.
687 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
688 (_F_GCINVISIBLE): New mask.
689 * objc/gc.c: New file. Compute the type memory mask associated with
690 a class based on the runtime information.
691 * objc/misc.c: Added the hooks that use the Boehm's collector
692 allocation functions.
693 * objc/objc-act.c (build_class_template): Generate a new class
694 member (gc_object_type) to hold the class' type memory mask.
695 (build_shared_structure_initializer): Initialize the new member to
697 (encode_complete_bitfield): New function. Generate the new
699 (encode_field_decl): Generate the new encoding only for the GNU
701 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
703 (class_get_gc_object_type): New function to mark a pointer instance
704 variable as a weak pointer.
705 * objc/objc-features.texi: New file.
706 * objc/objc.h (gc_object_type): New class member.
707 * objc/objects.c (class_create_instance): Create a typed memory
708 object when compiled with Boehm's collector support.
709 * objc/sendmsg.c (__objc_init_install_dtable): Call
710 __objc_send_initialize instead of setting the initialize flag.
711 (__objc_send_initialize): Call __objc_generate_gc_type_description
712 to generate the class type memory mask. Rewrite the code that
713 sends the +initialize so that it is called only once (bug report
714 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
715 * testsuite/objc: New testsuite for Objective-C type encoding.
716 * testsuite/lib/objc-torture.exp: New file.
717 * testsuite/lib/objc.exp: New file.
719 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
721 * jump.c (jump_optimize): In if/then/else transformations, add
722 another call to modified_between_p for the jump insn.
724 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
726 * fix-header.c (symlink): Treat like readlink.
728 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
730 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
733 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
735 * config/nextstep.h: Update HANDLE_PRAGMA macro.
736 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
737 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
739 * config/nextstep.c (handle_pragma): Take three arguments, as per
740 the new HANDLE_PRAGMA macro specification.
741 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
742 per the new HANDLE_PRAGMA macro specification.
743 * config/i960/i960.c (process_pragma): Take three arguments, as
744 per the new HANDLE_PRAGMA macro specification.
746 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
748 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
749 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
750 if unknown pragmas are encountered.
751 (handle_sysv_pragma): Interpret return code from
752 handle_pragma_token (). Return success/failure indication rather
753 than next unprocessed character.
754 (pragma_getc): New function: retrieves characters from the
755 input stream. Defined when HANDLE_PRAGMA is enabled.
756 (pragma_ungetc): New function: replaces characters back into the
757 input stream. Defined when HANDLE_PRAGMA is enabled.
759 * c-pragma.c (handle_pragma_token): Return success/failure status
762 * c-pragma.h: Change prototype of handle_pragma_token().
764 * varasm.c: (handle_pragma_weak): Only create this function if
765 HANDLE_PRAGMA_WEAK is defined.
767 * c-common,c (decl_attributes): If defined call the expression
768 contained within the INSERT_ATTRIBUTES macro before adding
769 attributes to a decl.
771 * tm.texi (HANDLE_PRAGMA): Document the new verion of
772 HANDLE_PRAGMA, which takes three arguments.
773 (INSERT_ATTRIBUTES): Document this new macro.
775 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
776 new INSERT_ATTRIBUTES macro.
778 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
780 * config/sparc/sparc.md (movdf): Only generate special RTL for
782 (move_label_di): Remove
783 (movdi_pic_label_ref, movdi_high_pic_label_ref,
784 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
786 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
787 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
788 output an .xword for all 64-bit cases.
790 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
792 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
793 alignment, use FUNCTION_BOUNDARY instead.
794 (sparc_output_deferred_case_vectors): Likewise.
796 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
798 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
799 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
801 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
803 * alpha/va_list.h: New file.
804 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
806 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
808 * NEWS: Add SCO Openserver and Unixware 7 notes.
812 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
814 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
815 (record_constant_1): Handle RANGE_EXPR.
817 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
819 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
820 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
821 and NOTE_INSN_RANGE_END specially.
822 (reemit_notes): Likewise.
824 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
826 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
827 (ultrasparc_sched_init): Remove unneeded &.
829 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
831 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
832 for m68020-60, to prevent the use of fintrz.
834 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
836 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
838 * Makefile.in: Likewise.
839 * configure: Regenerated.
841 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
843 * configure.in (gxx_include_dir): Changed to
844 '${prefix}/include/g++'-${libstdcxx_interface}.
845 * configure: Rebuilt.
847 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
849 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
851 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
852 *sequences* *below* which scalar moves will be used.
854 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
856 * collect2.c (mktemp): Delete unused declaration.
858 * config/xm-netbsd.h: Remove unnecessary file.
859 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
860 file anymore, it is not needed.
862 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
864 * convert.c (convert_to_integer): Issue an error on conversions to
867 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
869 * Makefile.in: Add lang_tree_files and gencheck.h.
870 * configure.in: Generate them.
871 * gencheck.c: Include gencheck.h.
873 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
875 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
876 movdi_lo_sum_pic and movdi_high_pic and make visible.
877 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
878 emit these when Pmode is not SImode.
879 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
881 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
883 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
884 .linkonce directive after the first time.
886 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
888 * m68k.md (beq0_di): Generate correct (and more efficient) code when
889 the clobbered operand overlaps with an input.
890 (bne0_di): Similarly.
892 * Makefile.in (INSTALL): Remove "--no-header" argument.
894 * NEWS: Various updates.
896 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
898 * config/sparc/sparc.c (arith_operand, const64_operand,
899 const64_high_operand, arith_double_4096_operand): Mark mode as
901 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
903 (sparc_emit_set_const64): Remove unused variable i.
904 (sparc_splitdi_legitimate): Likewise for addr_part.
905 (ultra_code_from_mask): Likewise for mask.
906 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
907 reverse return values so it matches usage and comments.
908 (ultra_flush_pipeline): Likewise.
909 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
910 this_type, and allow loads and stores of differing FP modes as
911 they do not create a conflict.
912 (ultra_find_type): Initialize fpmode to SFmode, fix
913 parenthesization thinkos in large conditional.
914 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
915 Init free_slot_mask after ultra_cur_hist is reset, not before.
916 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
917 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
918 use ultra_flush_pipeline instead, then re-init group pointer.
919 Fix statement with no effect. If no progress made in, and no
920 instructions scheduled at all, advance to new pipeline cycle else
921 we get into an endless loop.
922 (ultrasparc_adjust_cost): Remove previous arg.
923 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
925 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
927 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
928 code. Use reg_overlap_mentioned_p to detect when source and
930 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
932 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
934 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
935 COMPARISON_VAL, into invariant_p.
937 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
939 * regmove.c (regclass_compatible_p): New function.
940 (regmove_optimize): Use it.
942 Use NREGS parameter insted of calling max_reg_num.
944 (fixup_match_1): Don't use code = MINUS when later tieing with
945 a hard register is likely.
947 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
949 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
950 COMPARISON_VAL was normalized.
952 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
954 * loop.c (check_dbra_loop): The loop ending comparison value
955 must be an invariant or we can not reverse the loop.
957 * loop.c (scan_loop): Count down from max_reg_num - 1 to
958 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
960 (load_mems_and_recount_loop_regs_set): Likewise.
962 * i386.c (print_operand): Remove obsolete 'c' docs.
964 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
966 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
967 * frame.c (init_object_mutex): New function.
968 (init_object_mutex_once): Likewise.
970 (__register_frame_info): Likewise.
971 (__register_frame_info_table): Likewise.
972 (__deregister_frame_info): Likewise.
974 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
976 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
978 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
980 * loop.c (check_dbra_loop): Enable code for reversal
981 of some loops without a known constant loop end.
983 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
985 * haifa-sched.c (last_clock_var): New.
986 (schedule_block): Initialize it.
987 (schedule_insn): Use it to fill insn modes with issue information.
989 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
990 Tag trapb and next insn with TImode.
991 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
992 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
993 Invoke alphaev5_align_insns as appropriate.
994 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
995 (MD_SCHED_VARIABLE_ISSUE): New.
996 * alpha.md (attr type): Add multi.
997 (define_asm_attributes): New.
998 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
999 (arg_home): Likewise.
1000 (fnop, unop, realign): New.
1002 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
1004 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
1005 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
1007 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
1008 (rs6000-ibm-aix4.[12]*): Likewise.
1009 * configure: Regnerate.
1011 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1013 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1014 already contains the return address.
1016 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1018 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1019 word sized hunks when loading unaligned args into registers.
1021 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1022 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1024 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1026 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1028 * loop.c (check_dbra_loop): Add some code that would allow reversal
1029 of some loops without a known constant loop end if it were enabled.
1031 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1033 * mips.md (lshrsi3_internal2+2): Fix type-o.
1035 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1037 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1038 correctly with regards to stdio.h.
1040 * calls.c: Remove stdarg.h/varargs.h.
1043 * combine.c: Likewise.
1044 * cpperror.c: Likewise.
1045 * cpplib.c: Likewise.
1046 * cpplib.h: Likewise.
1047 * doprint.c: Likewise.
1048 * emit-rtl.c: Likewise.
1049 * final.c: Likewise.
1050 * fix-header.c: Likewise.
1052 * genattr.c: Likewise.
1053 * genattrtab.c: Likewise.
1054 * gencodes.c: Likewise.
1055 * genconfig.c: Likewise.
1056 * genemit.c: Likewise.
1057 * genextract.c: Likewise.
1058 * genflags.c: Likewise.
1059 * genopinit.c: Likewise.
1060 * genoutput.c: Likewise.
1061 * genpeep.c: Likewise.
1062 * genrecog.c: Likewise.
1063 * mips-tfile.c: Likewise.
1064 * prefix.c: Likewise.
1065 * protoize.c: Likewise.
1066 * regmove.c: Likewise.
1067 * toplev.c: Likewise.
1070 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1072 * config/sparc/sparc.c (sparc_override_options): If not
1073 TARGET_FPU, turn off TARGET_VIS.
1074 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1075 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1076 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1077 (movdi_insn_sp64): Add VIS fzero alternative.
1078 (clear_sf, clear_df): New VIS patterns.
1079 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1081 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1083 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1085 * loop.c (n_times_set, n_times_used, may_not_optimize,
1086 reg_single_usage): Convert to varrays. All uses changed.
1087 (insert_loop_mem): Return a value.
1088 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1089 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1092 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1095 * configure.in: Do not set thread_file to "irix" since no such
1098 * sparc.md (float abs/neg splits): Check reload_completed before
1099 calling alter_subreg.
1101 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1103 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1105 * config/sparc/sparc.h: Declare it.
1106 * config/sparc/sparc.md (float abs/neg splits): Use it.
1107 (all other splits): Handle SUBREGs properly where necessary.
1108 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1110 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1112 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1113 an insn on the unfilled_slots_list that has no delay slots.
1114 (fill_eager_delay_slots): Similarly.
1116 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1118 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1119 as an ordinary operand.
1121 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1123 * tree.c (valid_machine_attribute): Don't apply attributes to both
1126 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1128 * reload.c (operands_match_p): Handle rtvecs.
1130 * i386.c (legitimate_pic_address_disp_p): New.
1131 (legitimate_address_p): Use it.
1132 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1133 Handle constant pool symbols just like statics.
1134 (emit_pic_move): Use Pmode not SImode for clarity.
1135 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1136 [UNSPEC]: New, handling what we killed above.
1137 [PLUS]: Detect and abort on invalid symbol arithmetic.
1138 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1140 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1142 * alias.c: Include output.h.
1143 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1144 different if we're in a varargs function.
1145 * Makefile.in (alias.o): Depend on output.h
1147 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1149 * sh.h (GIV_SORT_CRITERION): Delete.
1151 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1153 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1154 * stupid.c (stupid_life_analysis): Ditto.
1155 * reload1.c (reload): Ditto.
1157 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1159 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1160 arith_double_4096_operand, arith_double_add_operand): New
1162 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1163 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1164 them to transform add/sub 4096 into add/sub -4096.
1166 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1168 * loop.c (scan_loop): Allocate some slop to handle pseudos
1169 generated by move_movables.
1170 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1173 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1175 * tree.def (DECL_RESULT): Correct documentation.
1177 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1179 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1180 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1181 conflicts will all RELOAD_FOR_OUTPUT reloads.
1183 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1184 loads the function result, substitute with a USE.
1186 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1188 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1189 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1190 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1191 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1192 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1193 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1195 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1196 'o' to 'm' for GPR variant constraints.
1198 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1200 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1202 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1204 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1205 when the source and destination overlap.
1207 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1208 clash with global type.
1210 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1212 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1214 * c-common.c (combine_strings): Also set TREE_READONLY.
1215 Change warn_write_strings to flag_const_strings.
1216 * c-decl.c, c-tree.h: Likewise.
1218 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1220 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1221 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1222 sequence, use SET/IOR instead so CSE can see it.
1223 * config/sparc/sparc.md (movhi_const64_special,
1224 movsi_const64_special): New patterns necessitated by that change.
1225 (movhi_high): Remove.
1226 (movhi_lo_sum): Change to match an IOR.
1227 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1228 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1229 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1230 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1231 registers are involved.
1232 (snesi_zero_extend split): Remove reload_completed test.
1233 (unnamed plus and minus zero_extend sidi splits): Add it.
1235 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1237 * extend.texi: Remove description of extension to explicit
1238 instantiation that is now endorsed by standard C++.
1240 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1242 * config/arc/arc.c (arc_initialize_pic): Remove.
1243 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1244 nothing on any platform and is invoked by no-one, it does not even
1245 appear in the documentation.
1246 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1247 * config/sparc/sparc.c (initialize_pic): Likewise.
1248 (find_addr_reg): Remove this as well, no longer referenced after
1251 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1253 * recog.c (validate_replace_rtx_group): New function.
1254 * recog.h (validate_replace_rtx_group): Declare it.
1255 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1256 the entire group of substitutions.
1258 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1260 * loop.c (load_mems): Fix initializers.
1262 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1264 * config/sparc/sparc.md (TFmode splits): Handle destination
1265 registers being referenced in the address correctly.
1267 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1268 TREE_UNSIGNED, when bitsize of type's mode is larger than
1269 HOST_BITS_PER_WIDE_INT.
1271 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1273 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1274 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1275 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1277 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1280 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1282 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1283 * h8300.h (TINY_DATA_NAME_P): Likewise.
1284 (STRIP_NAME_ENCODING): Handle '&'.
1286 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1287 register (it could be accessed via an outer SUBREG).
1288 (REG_OK_FOR_BASE_P): Likewwise.
1289 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1291 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1294 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1296 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1298 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1299 must be offsettable so the splits can be made.
1301 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1303 * config/i386/winnt.c: Include system.h, not stdio.h to get
1304 sys/param.h pulled in before rtl.h in case the system defines MIN
1307 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1309 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1311 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1313 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1315 * cpplib.c (cpp_define): Handle macros with parameters.
1317 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1319 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1320 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1321 and DImode 64-bit. Use llong for minimal-toc SFmode and
1322 SYMBOL_REF / LABEL_REF 64-bit.
1323 (output_function_profiler): Use llong for profiler label and ld to
1324 load 64-bit label address.
1326 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1328 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1331 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1333 * version.c: Bump for snapshot.
1335 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1337 * version.c: Bump for snapshot.
1339 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1341 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1343 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1345 * tm.texi (Misc): Fix typo "teh".
1347 * tm.texi (PIC): Fix typo "PPIC".
1349 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1350 effect when -O2 and higher.
1351 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1353 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1355 * regclass.c: Changed register set documentation to be consistent
1358 * final.c (final_start_function) Removed redundant test for
1361 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1363 * rtl.h (rtx_function): New type.
1364 (for_each_rtx): New function.
1365 * rtlanal.c (for_each_rtx): Define it.
1367 * recog.c (change_t): New type.
1368 (change_objects, change_old_codes, change_locs, change_olds):
1370 (changes): New variable.
1371 (validate_change): Dynamically allocate room for more changes, if
1372 necessary. Uses changes array instead of change_objects, etc.
1373 (apply_change_group): Use changes array instead of
1374 change_objects, etc.
1376 * loop.c (loop_mem_info): New type.
1377 (loop_mems): New variable.
1378 (loop_mems_idx): Likewise.
1379 (looop_mems_allocated): Likewise.
1380 (scan_loop): Remove nregs parameter.
1381 (next_insn_in_loop): New function.
1382 (load_mems_and_recount_loop_regs_set): Likewise.
1383 (load_mems): Likewise.
1384 (insert_loop_mem): Likewise.
1385 (replace_loop_mem): Likewise.
1386 (replace_label): Likewise.
1387 (INSN_IN_RANGE_P): New macro.
1388 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1389 (scan_loop): Remove nregs parameter, compute it after any new
1390 registers are created by load_mems. Use INSN_IN_RANGE_P and
1391 next_insn_in_loop rather than expanding them inline. Call
1392 load_mems to load memory into pseudos, if appropriate.
1393 (prescan_loop): Figure out whether or not there are jumps from the
1394 loop to targets other than the label immediately following the
1395 loop. Call insert_loop_mem to notice all the MEMs used in the
1396 loop, if it could be safe to pull MEMs into REGs for the duration
1398 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1400 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1402 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1404 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1406 * config/sparc/sparc.c (finalize_pic): Check for the correct
1407 nonlocal_goto_receiver UNSPEC number.
1408 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1409 making note of this dependency existing in sparc.c
1410 (negtf2_notv9 split): Give NEG SFmode.
1411 (negsf2): Fix insn output string.
1413 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1415 * c-common.c (decl_attributes): Issue an error if the argument
1416 to alias is not a string.
1418 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1420 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1421 pending memory flush list.
1423 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1425 (try_combine): Allow combining insns with REG_LIBCALL notes.
1427 * expr.c (emit_block_move): Do not call memcpy as a libcall
1428 instead build up a CALL_EXPR and call it like any other
1430 (clear_storage): Similarly for memset.
1432 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1435 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1438 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1439 and REG_LIVE_LENGTH as successful substitutions are made.
1441 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1443 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1444 statement after end of loop label.
1446 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1448 * config/sparc/sparc.c (ultra_types_avail): New variable.
1449 (ultra_build_types_avail): New function to record mask of insn
1450 types in ready list at this cycle.
1451 (ultrasparc_sched_reorder): Call it.
1452 (ultra_find_type): Use it to quicken the search. Also simplif
1453 dependency check, don't use rtx_equal_p because we know exactly
1454 what we are looking for.
1456 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1458 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1459 for architecture v4.
1461 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1463 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1465 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1466 movdf_const_intreg and helper splits): New patterns to move float
1467 constants into integer registers.
1468 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1471 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1474 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1476 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1478 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1479 a BASE_REGS register is needed as an intermediate when copying
1480 a symbolic value into any register class other than BASE_REGS.
1482 * expr.c (move_by_pieces): No longer static. Remove prototype.
1483 * rtl.h (move_by_pieces): Add extern prototype.
1484 * mips.c (expand_block_move): Handle aligned straight line copy by
1485 calling move_by_pieces.
1487 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
1490 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
1492 * stmt.c (expand_end_loop): Tidy. Allow unconditional
1493 jumps out of the loop to be treated as part of the exit test.
1495 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1496 Jeff Law <law@cygnus.com>
1498 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
1499 * cplus-dem.c: Delete.
1501 * Makefile.in (fold-const.o): depend on $(RTL_H).
1503 * fold-const.c: Include rtl.h to get the prototype for
1504 `set_identifier_local_value'.
1506 * loop.c (express_from_1): Remove unused variable `tmp'.
1507 (combine_givs): cast the first argument of bzero to char *.
1509 * toplev.c (display_help): Remove unused variable `looking_for_start'.
1511 * c-decl.c (init_decl_processing): Remove unneeded &.
1513 * alpha.h (alpha_initialize_trampoline): Provide prototype.
1515 * except.c (set_exception_lang_code, set_exception_version_code):
1516 Change parameter from `short' to `int' to avoid using a gcc
1519 * except.h (set_exception_lang_code, set_exception_version_code):
1520 Likewise for prototypes.
1522 * flow.c (count_reg_references): Remove unused variables `regno'
1525 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
1527 * prefix.c (translate_name): Cast the result of `alloca'.
1529 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
1531 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1533 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
1535 (valid_dbcc_comparison_p): Mark mode argument as unused.
1536 (symbolic_operand): Likewise.
1537 (legitimize_pic_address): Likewise.
1538 (const_uint32_operand): Likewise.
1539 (const_sint32_operand): Likewise.
1540 * sched.c [!INSN_SCHEDULING]: Define only dummy function
1541 schedule_insns and comment out rest of file.
1543 * m68k.c (output_move_simode_const): Use subl to move a zero into an
1545 (output_move_[hq]imode): Likewise.
1547 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
1549 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
1550 * invoke.texi: Corresponding changes.
1552 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
1554 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
1556 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1558 * config/sparc/sparc.c (ultra_code_from_mask,
1559 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
1560 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
1561 ultrasparc_sched_init, ultrasparc_variable_issue,
1562 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
1563 functions to describe UltraSPARC pipeline exactly to Haifa.
1564 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
1565 as there is nothing the scheduler can do about it. Indicate that
1566 REG_DEP_OUTPUT's collide. Fixup formatting.
1567 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
1568 divide costs on Ultra for DImode.
1569 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
1571 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
1572 ieuN and add call_no_delay_slot to type list.
1573 (cti function unit): New unit for branches on UltraSPARC.
1574 (subx/addx insns): Set type to misc.
1575 (sidi zero/sign extension insns on arch64): Set type to shift.
1576 (sign_extendhidi2_insn): Set type to sload.
1578 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
1580 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
1581 (output_epilog): Use if != 0 for offset.
1582 (rs6000_fatal_bad_address): Prepare for Intl.
1583 * rs6000.h (rs6000_fatal_bad_address): Declare.
1584 * rs6000.md (movsfcc, movdfcc): Use else if.
1585 (elf_high): Use {liu|lis}.
1586 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
1587 (movsi): Use rs6000_fatal_bad_address.
1589 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
1591 * reload.c (find_equiv_reg): Reject equivalences separated
1592 by a volatile instruction.
1594 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1596 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
1598 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
1600 * alpha.md (movsicc): Fix mode mismatch.
1602 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
1604 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
1606 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
1608 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1610 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
1611 write-only modifier from operand 1 constraint.
1613 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1615 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
1616 emitting a XOR of -1 at the end, emit a NOT instead for combine's
1618 (sparc_emit_set_const64): Likewise, also when computing trailing
1619 bits do not negate low_bits and make fast_int an int.
1621 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
1623 * loop.c (add_label_notes): Do not ignore references to labels
1624 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
1625 * gcse.c (add_label_notes): Similarly.
1627 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
1629 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1630 (adddi_dishl32): Similarly.
1632 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1634 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1635 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1636 * cse.c (cse_basic_block): Add parens to shut up warnings.
1638 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1640 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1641 sparc_emit_set_const64_longway, const64_is_2insns,
1642 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1643 in 64-bit constant formation.
1644 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1645 rtl for addx not subx.
1646 (define_insn movdi_const64_special): Make available even when
1647 HOST_BITS_PER_WIDE_INT is not 64.
1648 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1649 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1650 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1651 instances of operand 1 inside a QI subreg.
1652 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1653 (one_cmpldi2_sp64): Fix output string.
1654 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1656 (unnamed arch64 ashift DI): Truncate shift count if greater than
1659 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1661 * expr.c (store_expr): Don't optimize away load-store pair
1662 when either source or destination have a side effect.
1664 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1666 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1667 operands of SET are incompatible.
1669 * alpha.md: Fix max and min patterns so modes of SET operands match.
1671 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1673 * configure.in: Avoid [[ by using test and changequote.
1674 * configure: Rebuild.
1676 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1678 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1680 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1681 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1682 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1683 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1684 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1685 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1686 Fix mismatching modes in SET operands.
1687 (conditional move patterns): Fix formatting.
1688 (unnamed subx arch64 pattern): Remove duplicate insn.
1690 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1692 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1693 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1694 (input_operand): Fixup test for what we accept for constant
1696 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1698 (safe_constDI): Remove.
1699 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1700 gen_safe_XOR64): New functions.
1701 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1702 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1704 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1705 available when HOST_BITS_PER_WIDE_INT is not 64.
1706 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1707 move before movdi_insn_sp64 pattern.
1708 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1709 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1710 symbolic_operand as predicate for second operand.
1711 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1712 expander): Give set VOIDmode.
1714 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1716 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1718 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1720 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1722 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1724 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1726 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1728 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1730 * install.texi: Various SCO OpenServer tweaks.
1732 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1734 * reload1.c (eliminate_regs_in_insn): Handle another case when
1735 eliminating the frame pointer to the hard frame pointer. Add
1736 missing ep->to_rtx check to one existing case.
1738 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1740 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1742 * tree.h: De-conditionalize init_priority code.
1744 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1745 * collect2.c (NM_FLAGS): Change from -p to -n.
1747 * configure.in: Turn on collect2 for mipstx39-elf.
1748 Handle use_collect2=no properly.
1750 * c-common.c: De-conditionalize init_priority code.
1751 * collect2.c (extract_init_priority, sort_ids): New fns.
1752 (main): Call sort_ids.
1753 Move sequence_number to file scope.
1755 * configure.in: Handle --enable-init-priority.
1756 * c-common.c (attrs): Add A_INIT_PRIORITY.
1757 (init_attributes, decl_attributes): Likewise.
1758 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
1759 * tree.c (get_file_function_name_long): Split out...
1760 (get_file_function_name): ...from here.
1762 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1764 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
1767 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1769 * toplev.c (display_help): Add braces to shut up warnings.
1770 * tree.c (simple_cst_equal): Likewise.
1772 * fold-const.c (non_lvalue): Don't deal with null pointer
1774 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1776 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
1777 of any size to a pointer.
1779 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
1781 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
1783 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
1785 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
1786 which will be saved.
1787 * mn10300.md (prologue insn): Only save registers which need saving.
1788 (epilogue insn): Similarly.
1790 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
1793 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
1795 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
1796 VAR_DECL's in gp addressable sections.
1798 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
1800 * sparc.c: Change return <exp> to <exp>; return; in functions
1802 * sparc.md: Add empty semicolon statement after final label in
1805 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1807 * config/sparc/sparc.md (define_insn addx_extend): Rename to
1808 addx_extend_sp64, only allow when TARGET_ARCH64.
1809 (define_insn addx_extend_sp32 and split): Version that works when
1811 (define_insn subx_extend): Likewise.
1812 (define_split adddi3 and subdi3 with zero extension): Fixup and
1813 correct bugs when not TARGET_ARCH64.
1815 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
1817 * except.c (set_exception_lang_code, set_exception_version_code):
1818 Use prototype-style definition if __STDC__, to match declaration
1821 * genemit.c: Change FAIL and DONE macros not to use loops.
1823 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
1825 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
1826 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
1828 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
1830 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
1832 * README.g77: Update from Craig.
1834 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1836 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
1838 (safe_constDI sparc_emit_set_const64_quick1,
1839 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1840 analyze_64bit_constant, const64_is_2insns,
1841 create_simple_focus_bits): Fix some bugs when compiled on real
1843 (function_arg_record_value_3, function_arg_record_value_2,
1844 function_arg_record_value): Add fully prototyped forward decls.
1845 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
1846 to cmpsi_insn and use on both 64 and 32 bit targets.
1847 (define_insn cmpsi_insn_sp64): Remove.
1848 (define_expand zero_extendsidi2): Allow for 32-bit target too.
1849 (define_insn zero_extendsidi2_insn): Rename to
1850 zero_extendsidi2_insn_sp64.
1851 (define_insn zero_extendsidi2_insn_sp32): New pattern and
1852 assosciated forced split for it.
1854 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1856 * config/sparc/sparc.h: Declare them.
1857 (PREDICATE_CODES): Add them.
1858 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
1859 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
1861 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
1863 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
1864 in v9 case as the latter makes the Solaris assembler crash.
1866 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1868 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
1869 for TFmode when !v9. We require offsettable memory addresses.
1870 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
1871 DFmode register number conversions.
1872 * config/sparc/sparc.md (define_split DFmode moves): If register
1873 is a SUBREG do alter_subreg on it before using.
1874 (define_expand movtf): Fixup comment about alignment on v9.
1875 (define_split TFmode moves): Don't use gen_{high,low}part, create
1876 explicit SUBREGs instead.
1878 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
1880 * Makefile.in (mbchar.o): Depend on mbchar.c.
1882 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1883 Richard Henderson <rth@cygnus.com>
1885 Rewrite Sparc backend for better code generation and
1886 improved sparc64 support.
1887 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
1889 * config/sparc/sysv4.h: Likewise.
1890 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
1891 move_operand, v8plus_regcmp_op, emit_move_sequence,
1892 singlemove_string, doublemove_string, mem_aligned_8,
1893 output_move_double, output_move_quad, output_fp_move_double,
1894 move_quad_direction, output_fp_move_quad, output_scc_insn):
1896 (small_int_or_double): New predicate.
1897 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
1898 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
1899 old pic_{sethi,lo_sum}_si patterns.
1900 (mem_min_alignment): New generic function to replace
1901 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
1902 available and can test for arbitrary alignments. All callers
1904 (save_regs, restore_regs, build_big_number,
1905 output_function_prologue, output_cbranch, output_return,
1906 sparc_flat_save_restore, sparc_flat_output_function_prologue,
1907 sparc_flat_output_function_epilogue): Prettify
1909 (output_function_epilogue): Likewise and add code to output
1910 deferred case vectors.
1911 (output_v9branch): Likewise, add new arg INSN and use it to tack
1912 on branch prediction settings. All callers changed.
1913 (print_operand): Likewise and output %l44 for LO_SUMs when
1915 (sparc_splitdi_legitimate): New function to make sure DImode
1916 splits can be run properly when !arch64.
1917 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
1918 Reformat example code in comments.
1919 (set_extends): Remove UNSPEC/v8plus_clear_high case.
1920 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
1921 of deferred case vectors we need to output.
1922 (sparc_defer_case_vector): Record a case vector.
1923 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
1924 sparc_output_deferred_case_vectors): New functions to output them.
1925 (sparc_emit_set_const32): New function to form 32-bit constants in
1926 registers when that requires more than one instruction.
1927 (safe_constDI, sparc_emit_set_const64_quick1,
1928 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1929 analyze_64bit_constant, const64_is_2insns,
1930 create_simple_focus_bits, sparc_emit_set_const64): New functions
1931 which do the same for 64-bit constants when arch64.
1932 (sparc_emit_set_symbolic_const64): New function to emit address
1933 loading for all code models on v9.
1934 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
1935 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
1936 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
1937 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
1938 inaccuracies in comments, add symbolic and text_segment operands
1939 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
1940 GENERAL_REGS in these cases as a temp REG is needed to load these
1941 addresses into a register properly.
1942 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
1944 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
1945 quads are guarenteed to have 16-byte alignment.
1946 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
1947 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
1948 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
1949 deferred case vector implementation.
1950 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
1951 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
1952 Generate "internal label - label" instead of "label - 1b".
1953 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
1954 (PREDICATE_CODES): Remove sparc_operand, move_operand,
1955 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
1957 (doublemove_string, output_block_move, output_fp_move_double,
1958 output_fp_move_quad, output_move_double, output_move_quad,
1959 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
1960 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
1961 (sparc_emit_set_const32, sparc_emit_set_const64,
1962 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
1963 mem_min_alignment, small_int_or_double): Add externs.
1964 * config/sparc/sparc.md: Document the many uses of UNSPEC and
1965 UNSPEC_VOLATILE in this backend.
1966 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
1967 unary to types which execute in it.
1968 (define_function_unit ieu_shift): Rename to ieu0.
1969 (define_function_unit ieu1): New, executes compare, call, and
1970 uncond_branch type insns.
1971 (define_function_units for type fdivs, fdivd, fsqrt): These
1972 execute in the fpu multiply unit not the adder on UltraSparc.
1973 (define_expand cmpdi): Disallow TARGET_V8PLUS.
1974 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
1975 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
1976 allows the arith_double_operand predicate and rHI constraint when
1978 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
1979 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
1980 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
1981 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
1982 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
1983 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
1984 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
1985 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
1986 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
1987 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
1988 sign_extendqihi2_insn, sign_extendqisi2_insn,
1989 sign_extendqidi2_insn, sign_extendhidi2_insn,
1990 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
1991 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
1992 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
1993 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
1994 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
1995 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
1996 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
1997 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
1998 smulsi3_highpart_v8plus, unnamed subreg mult,
1999 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
2000 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
2001 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
2002 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
2003 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
2004 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
2005 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
2006 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
2007 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
2008 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2009 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
2010 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2011 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2012 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2013 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2014 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2015 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2016 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2017 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2018 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2019 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2020 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2021 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2022 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2023 call_address_untyped_struct_value_sp32,
2024 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2025 call_value_symbolic_sp32, call_value_address_sp64,
2026 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2027 flush_register_windows, goto_handler_and_restore,
2028 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2029 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2030 return_addsi, return_di, return_adddi, return_sf, all call+jump
2031 peepholes, trap, unnamed trap insns): Prettify output strings.
2032 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2033 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2034 Likewise and force + implement splits for integer cases.
2035 (define_insn return_sf_no_fpu): Likewise and allow to match when
2036 no-fpu because of our subreg SFmode splits.
2037 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2038 zero_extendqidi2_insn, zero_extendhidi2_insn,
2039 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2040 input_operand for second operand.
2041 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2042 reg_or_0_operand for operand 2 so new splits can use it.
2043 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2044 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2046 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2047 CONST_DOUBLEs for operand 2.
2048 (define_insn move_label_di): Likewise and label distance
2049 optimization because it no longer works with new deferred case
2050 vector scheme. To be revisited.
2051 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2052 and allow reg_or_0_operand and J constraint for second operand.
2053 (define_insn jump): Set branch predict taken on V9.
2054 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2055 new deferred case vector scheme.
2056 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2057 (define_insn negdi2_sp32): Force + implement splits.
2058 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2059 one_cmplsi2_not_liveg0 respectively, and create expander of original
2060 names which emit special rtl for TARGET_LIVE_G0.
2061 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2062 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2063 gen_compare_reg, FAIL instead.
2064 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2065 values when trying to reverse condition codes, if they FAIL then
2067 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2068 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2069 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2070 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2071 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2072 set output string to # to indicate they are mandatory splits.
2073 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2074 pic_sethi_di, move_pic_label_si): Remove.
2075 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2076 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2078 (define_expand movsi_pic_label_ref, define_insn
2079 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2080 expander and insns to handle PIC label references and deferred
2082 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2084 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2085 Rewrite to not use emit_move_sequence, make use of new constant
2086 formation code, and new splits for all multi-insn cases.
2087 (define_insn movqi_insn): Remove sethi case, it can never happen.
2088 Use reg_or_zero_operand instead of const0_rtx explicit test,
2089 use input_operand instead of move_operand for source, and use
2090 general_operand now for dest.
2091 (define_insn movhi_insn): Similar but leave sethi case.
2092 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2093 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2094 movhi_lo_sum respectively, prettify output string.
2095 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2096 register when needed on TARGET_LIVE_G0.
2097 (define_insn movsi_insn): Use general_operand and input_operand
2098 for dest and src respectively. Simplify applicability test.
2099 Prettify output strings, and add clr alternative for J
2101 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2102 deprecated std and reg-reg DI moves): Remove and...
2103 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2104 implementation which uses forced splits for all non-single insn
2106 (define_split DI move cases on !arch64): New splits to handle all
2107 situations of 64-bit double register DImode on 32bit, and
2108 unaligned registers and memory addresses for all subtargets.
2109 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2111 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2112 input_operand for dest and src respectively, prettify output
2114 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2115 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2117 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2118 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2119 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2120 movtf_no_e_insn_sp64) Replace with new
2121 implementation which uses forced splits for all non-single insn
2123 (define_split DF move cases): New splits in similar vein to DI
2125 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2126 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2127 movdi_sp64_insn): Remove old v9 code model and constant loading
2129 (define_insn pic_lo_sum_di, pic_sethi_di,
2130 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2131 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2132 embmedany_sethi, embmedany_losum, embmedany_brsum,
2133 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2134 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2135 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2136 scheme, using unspecs, secondary reloads, and one to one sparc
2137 insn to rtl insn mapping for better scheduling and code gen.
2138 (define_expand reload_indi, reload_outdi): Reload helpers for
2139 MEDANY and EMBMEDANY symbol address loading cases which require a
2141 (define_expand movsicc): Remove v8plus_regcmp cases.
2142 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2143 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2144 cmp_diqi_trunc_set): New patterns used by some of the new scc
2146 (define_insn xordi3_sp64_dbl): New pattern used for constant
2147 formation when crossing from 32-bit targets.
2148 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2150 (define_insn addx, subx): Make visible and prettify.
2151 (define_insn adddi3_insn_sp32): Likewise and force split.
2152 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2153 64bit scc split usage.
2154 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2155 zero_extend, subdi3): Force and implement splits.
2157 * final.c (final_scan_insn): Don't output labels if target
2158 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2161 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2162 don't forget to walk inside SEQUENCESs too as these are what the
2163 delay slot scheduler will create.
2165 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2167 * alpha.md (extxl+1,+2): New patterns to work around
2170 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2172 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2173 caused bad assembly code to be generated.
2175 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2177 * netbsd.h: Fix typo.
2179 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2181 * config.sub: Fix typo.
2183 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2185 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2187 (Running Protoize): Typo: Change "ther" into "other".
2189 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2191 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2192 * m68k/netbsd.h: Likewise.
2193 * ns32k/netbsd.h: Likewise.
2194 * sparc/netbsd.h: Likewise.
2196 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2198 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2199 * ginclude/va-clipper.h (va_list): Likewise.
2201 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2203 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2204 load/store multiple instructions unless user overrides.
2206 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2208 * ns32k/netbsd.h: Fix typo.
2210 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2212 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2213 labels with .debugsym if no parallel insns.
2215 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2217 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2218 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2220 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2222 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2223 (AR_FOR_TARGET): Define.
2225 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2227 * dyn-string.h: New file.
2228 * dyn-string.c: Likewise.
2229 * Makefile.in (OBJS): Add dyn-string.o.
2230 (dwarf2out.o): Add dyn-string.h dependency.
2231 (dyn-string.o): List dependencies.
2232 * dwarf2out.c: Include dyn-string.h.
2233 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2234 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2235 prototype. Use dyn_string_append rather than strcat, throughout.
2236 (addr_to_string): Use dyn_string_t.
2238 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2240 Function entry/exit profiling instrumentation:
2241 * expr.h (profile_function_entry_libfunc,
2242 profile_function_exit_libfunc): Declare new variables.
2243 * optabs.c: Define them here.
2244 (init_optabs): Initialize them.
2245 * tree.h (struct tree_decl): New flag
2246 no_instrument_function_entry_exit.
2247 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2248 * c-decl.c (duplicate_decls): Merge it.
2249 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2250 (init_attributes): Use it for "no_instrument_function".
2251 (decl_attributes): Handle it, for functions that have not yet been
2252 compiled. Set decl flag.
2253 * flags.h (flag_instrument_function_entry_exit): Declare new
2255 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2256 (f_options): New option "instrument-functions".
2257 * function.h (struct function): New field instrument_entry_exit.
2258 * function.c (current_function_instrument_entry_exit): New
2260 (push_function_context_to, pop_function_context_from): Save and
2262 (expand_function_start): Set current_ variable, maybe emit return
2263 label and entry profile call.
2264 (expand_function_end): Maybe emit exit profile call.
2266 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2268 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2269 NON_QI_REG_P, pretend the register is SImode.
2271 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2273 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2274 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2275 manufacturer id for ns32k.
2276 * configure: Regenerated.
2277 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2278 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2279 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2280 * config/m68k/netbsd.h: Same.
2281 * config/ns32k/netbsd.h: Same.
2282 * config/sparc/netbsd.h: Same.
2284 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2286 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2287 or UNROLL_COMPLETELY loop that starts with a jump to its
2290 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2292 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2293 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2294 (print_operand, case 'B'): Don't fall through.
2295 (print_operand, case 'S'): Correct mask begin/end computation.
2296 Use HOST_BITS_PER_WIDE_INT.
2297 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2298 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2299 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2300 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2302 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2304 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2305 constraint from second alternative.
2307 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2309 * configure.in: Fix --without/--disable cases for local-prefix,
2310 gxx-include-dir and checking.
2312 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2314 * configure.in (enable_haifa): Set by default for sparc64 too.
2317 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2319 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2320 * i386/winnt.c (associated_type): New fn.
2321 (i386_pe_valid_type_attribute_p): New fn.
2322 (i386_pe_check_vtable_importexport): Remove.
2323 (i386_pe_dllexport_p): Use associated_type.
2324 (i386_pe_dllimport_p): Likewise.
2326 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2327 * i386.c (i386_valid_type_attribute_p): Also accept
2328 attributes for METHOD_TYPEs.
2330 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2332 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2334 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2336 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2338 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2339 them from generating a new base name for each occurence of
2342 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2344 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2346 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2350 * cplus-dem.c (type_kind_t): New type.
2351 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2352 on this paramter, rather than demangling the type again.
2353 (demangle_integral_value): Pass tk_integral.
2354 (demangle_template_: Pass the value returned from do_type.
2355 (do_type): Return a type_kind_t. Pass tk_integral to
2356 demangle_template_value_parm for array bounds.
2357 (demangle_fund_type): Likewise.
2359 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2361 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2364 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2366 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2368 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2370 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2372 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2375 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2377 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2378 (DEBUGGER_ARG_OFFSET): Likewise.
2380 * mn10300.md (movsf): Remove last change. Not needed.
2382 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2384 * c-lex.c (yylex): Fix boundary conditions in character literal and
2385 string literal loops.
2387 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2389 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2390 being invoked incorrectly.
2392 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2393 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2395 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2396 * configure.in: Added i[34567]86-*-win32
2397 * config.sub: Ditto.
2398 * configure: Rebuilt.
2400 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2402 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2403 the frame pointer and compiling PIC code and reload has not completed.
2405 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2408 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2410 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2412 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2414 * Makefile.in (install-info): Only try to update the info
2415 directory file if it exists in the first place.
2417 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2419 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2421 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2423 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2424 CONST_DOUBLE source.
2426 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2428 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2429 strings as the insertion of USER_LABEL_PREFIX.
2430 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2432 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2435 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2437 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2438 already defined type.
2440 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2442 * expr.c (check_max_integer_computation_mode): Allow conversions
2443 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2444 (expand_expr): Likewise.
2446 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2448 * expr.c (expand_expr): Expand RETURN_EXPR.
2450 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2452 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2454 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2456 * dwarf2out.c (output_aranges): Call stripattributes
2457 for TEXT_SECTION references.
2458 (output_line_info): Likewise.
2460 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2462 * profile.c (branch_prob): Call allocate_reg_info after outputting
2463 profile rtl in instrument_arcs.
2465 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2467 * fixinc.irix (math.h): Install wrapper instead of copying.
2469 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2471 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2472 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2473 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2474 lang_flag_0. Added documentation in the flag table.
2476 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2478 * cccp.c (do_include): Fix vax c style include handling.
2480 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2482 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2484 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2486 * fold-const.c (non_lvalue): Don't deal with null pointer
2488 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2490 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
2492 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
2493 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
2494 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
2495 (u_short_cint_operand): Same.
2496 (reg_or_cint_operand): Same.
2497 (logical_operand): Same.
2498 (input_operand): Same.
2499 (reg_or_short_operand): Use u_short_cint_operand.
2501 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
2503 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
2504 but keep the insns and splits. Adjust so when the ultimate destination
2505 is memory, use cvtql.
2507 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
2509 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
2511 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
2513 * gcc.c (do_spec): Call "error" not "warning".
2515 * configure.in: Fix minor problems with gas feature detection code.
2516 * configure: Rebuilt.
2518 * gcc.c (do_spec): Issue a warning for '%[]' usage.
2521 * gcc.c: Delete %[spec] support.
2522 (do_spec_1, case '('): Likewise.
2523 (do_spec_1, case '['): Call error.
2525 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
2527 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
2528 (CPP_SUBTARGET_SPEC): Default to empty string.
2529 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
2530 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
2531 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
2532 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
2534 * alpha/linux.h (CPP_PREDEFINES): Tidy.
2535 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
2536 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
2537 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
2538 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
2539 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
2540 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
2541 * alpha/vxworks.h: Likewise.
2543 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
2545 * mips.md (reload_outsi): Added missing REGNO call.
2546 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
2548 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
2549 another match_operator and compare the codes.
2551 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
2553 * MIPS multiply pattern fixes:
2554 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2555 Add union classes for HI, LO, or HILO plus general registers.
2556 (GENERATE_MADD): Deleted.
2557 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
2558 Add TARGET_MAD to condition.
2559 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
2560 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
2561 "*d" for accumulator, to give preference to LO initially but not
2564 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
2566 * configure.in (enable_c_mbchar): New configure option.
2567 (extra_cpp_objs): Always available now.
2569 * cexp.y (mbchar.h): #include it.
2570 (yylex): Handle Multibyte characters in character literals.
2572 * cccp.c (mbchar.h): #include it.
2573 (main): Set character set based on LANG environment variable.
2574 (rescan): Handle multibyte characters in comments.
2575 (skip_if_group): See above.
2576 (validate_else): See above.
2577 (skip_to_end_of_comment): See above.
2578 (macarg1): See above.
2579 (discard_comments): See above.
2580 (rescan): Handle multibyte characters in string and character literals.
2581 (collect_expansion): See above.
2582 (skip_quoted_string): See above.
2583 (macroexpand): See above.
2584 (macarg1): See above.
2585 (discard_comments): See above.
2586 (change_newlines): See above.
2588 * c-lex.c (mbchar.h): #include it.
2589 (GET_ENVIRONMENT): New macro.
2590 (init_lex): Set character set based on LANG environment variable.
2591 (yylex): Handle multibyte characters in character literals.
2592 (yylex): Handle multibyte characters in string literals.
2594 * Makefile.in (mbchar.o): New target.
2595 (cccp$(exeext)): @extra_cpp_objs@ is always available.
2596 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
2598 * mbchar.[ch]: New files for multibyte character handling.
2600 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2602 * jump.c (jump_optimize): When simplifying noop moves and
2603 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
2604 the PUSHes to rewrite in second loop as we did in the first.
2606 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2608 * cplus-dem.c (demangle_nested_args): Make function definition
2609 static to match the prototype.
2611 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
2613 * alloca.c: Respect USE_C_ALLOCA.
2614 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
2615 * gengenrtl.c (xmalloc): Likewise.
2617 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
2619 * loop.h (struct induction): Add no_const_addval.
2620 * loop.c (the_movables, reg_address_cost): New variables.
2621 (init_loop): Init reg_address_cost.
2622 (loop_optimize): Call end_alias_analysis.
2623 (scan_loop): Init the_movables.
2624 (record_giv): Init induction->no_const_addval.
2625 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
2626 [REG]: Rearrange loop search test to catch more cases.
2627 (general_induction_var): Return success not benefit; take an extra
2628 argument for that. Change all callers.
2629 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2630 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2631 [default]: Search the_movables for additional combinations.
2632 (sge_plus_constant, sge_plus): New functions.
2633 (express_from_1): New function.
2634 (express_from): Always define. Rewrite using express_from_1.
2635 (combine_givs_p): Handle more cases. Ignore address cost.
2636 (cmp_combine_givs_stats): New function.
2637 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2638 (combine_givs): Rewrite to do best-fit combination.
2640 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2641 (fold): Do a complete (A*C)+(B*C) association check.
2643 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2645 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2647 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2649 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2651 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2653 * tree.c (valid_machine_attribute): Only create a new type variant if
2654 there is a decl to use it.
2656 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2658 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2661 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2663 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2666 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2668 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2669 Simplify tests for clearing an address register.
2670 (expand_prologue): Corresponding changes.
2672 * mn10300.md (movXX patterns): Make sure the destination is an
2673 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2674 (logical patterns): Split into expanders + patterns
2675 (zero and sign extension patterns): Similarly.
2676 (shift patterns): Similarly.
2678 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2680 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2681 for the sequence, recording base values.
2683 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2685 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2687 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2689 * gcc.c: Remove ANSI-C ism from --help code.
2691 * toplev.c: Support --help with USE_CPPLIB.
2693 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2695 * configure.in: Rework gas feature code to work with symlink based
2698 * extend.texi: Clarify some issues related to local variables
2699 assigned to explicit registers.
2701 * mn10300.md (mulsi): Turn into expander + pattern.
2703 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2706 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2708 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2710 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2712 * version.c: Bump again to distinguish mainline tree from the
2715 See ChangeLog.0 for earlier changes.
2718 add-log-time-format: current-time-string