1 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
4 narrower than FLOAT_REGS.
6 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
10 * Makefile.in (old_gxx_include_dir): removed
12 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
14 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
17 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
18 (sh_handle_pragma): Change function arguments to match new
19 specification for HANDLE_PRAGMA.
21 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
25 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
26 When generating output, initialize missing struct member to zero.
28 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
30 * regmove.c (copy_src_to_dest): Don't copy if that requires
33 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
35 * global.c (reg_allocno): Now static.
36 * reload1.c (reg_allocno): Delete declaration.
37 (order_regs_for_reload): Take no arguments. Don't treat regs
38 allocated by global differently than those allocated by local-alloc.
40 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
42 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
43 condition, fix format strings.
44 (output_function_epilogue): Likewise.
46 * m68k/m68k.c: Don't include <stdlib.h> directly.
48 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
50 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
51 mem_first_set, mem_last_set; because 0 can be a CUID.
52 (oprs_unchanged_p): Use new definition.
53 (record_last_reg_set_info): Likewise.
54 (record_last_mem_set_info): Likewise.
55 (compute_hash_table): Likewise.
57 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
59 * rs6000.c (output_epilogue): Handle Chill.
61 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
62 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
64 * combine.c (make_extraction): If no mode is specified for
65 an operand of insv, extv, or extzv, default it to word_mode.
66 (simplify_comparison): Similarly.
67 * expmed.c (store_bit_field): Similarly.
68 (extract_bit_field): Similarly.
69 * function.c (fixup_var_regs_1): Similarly.
70 * recog.c (validate_replace_rtx_1): Similarly.
71 * mips.md (extv, extzv, insv expanders): Default modes for most
72 operands. Handle TARGET_64BIT.
73 (movdi_uld, movdi_usd): New patterns.
75 * pa.c (emit_move_sequence): Do not replace a pseudo with its
76 equivalent memory location unless we have been provided a scratch
77 register. Similarly do not call find_replacement unless a
78 scratch register has been provided.
80 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
82 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
85 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
87 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
88 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
89 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
90 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
91 * c-decl.c (init_decl_processing): Update accordingly.
92 * expr.c (expand_builtin): Likewise.
94 * rtl.h (global_rtl): Add cfa entry.
95 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
96 (LAST_VIRTUAL_REGISTER): Update.
97 * emit-rtl.c (global_rtl): Add cfa entry.
98 (init_emit): Initialize it.
99 * function.c (cfa_offset): New.
100 (instantiate_virtual_regs): Initialize it.
101 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
102 (expand_function_end): Call expand_eh_return.
103 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
105 * except.c (current_function_eh_stub_label): Kill.
106 (current_function_eh_old_stub_label): Likwise; update all references.
107 (expand_builtin_set_return_addr_reg): Kill.
108 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
109 (expand_builtin_set_eh_regs): Kill.
110 (eh_regs): Produce a third reg for the actual handler address.
111 (eh_return_context, eh_return_stack_adjust): New.
112 (eh_return_handler, eh_return_stub_label): New.
113 (init_eh_for_function): Initialize them.
114 (expand_builtin_eh_return, expand_eh_return): New.
115 * except.h: Update prototypes.
116 * flow.c (find_basic_blocks_1): Update references to the stub label.
117 * function.h (struct function): Kill stub label elements.
119 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
120 register number is one that would be in the previous window.
121 Provide a dummy definition for non-windowed targets.
122 (get_reg_addr): New function.
123 (get_reg, put_reg, copy_reg): Use it.
124 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
125 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
127 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
128 (alpha_init_expanders): Initialize it.
129 (alpha_expand_epilogue): Use it.
130 * alpha.h: Declare it.
131 * alpha.md (eh_epilogue): New.
133 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
134 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
136 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
138 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
141 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
143 * except.h (struct eh_entry): Add false_label field.
144 (end_catch_handler): Add prototype.
145 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
146 (start_catch_handler): When using old style exceptions, issue
147 runtime typematch code before continuing with the handler.
148 (end_catch_handler): New function, generates label after handler
149 if needed by older style exceptions.
150 (expand_start_all_catch): No need to check for new style exceptions.
151 (output_exception_table_entry): Only output the first handler label
152 for old style exceptions.
153 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
154 mechanism into one function, if a runtime matcher is provided.
156 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
158 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
160 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
162 * integrate.c (copy_decl_list): Fix typo.
164 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
166 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
169 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
171 * version.c: Bump for snapshot.
173 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
175 * version.c: Bump for snapshot.
177 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
179 * version.c: Bump for snapshot.
181 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
183 * invoke.texi (C Dialect Options): Put back missing @end itemize.
185 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
187 * configure.in: remove usage of `!' to negate the result of a
188 command; some common shells do not support it
190 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
192 * configure.in: in sparc9-sol2 config, use 'if test' not
194 * configure: Rebuilt.
196 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
198 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
199 (CPP_CPU_DEFAULT_SPEC): Likewise.
200 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
203 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
206 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
208 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
210 * collect2.c: Don't declare `sys_siglist' here.
211 (my_strsignal): Prototype and define new function. Use it in
212 place of `sys_siglist' hacks.
214 * mips_tfile.c: Likewise.
216 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
217 (GCC_NEED_DECLARATIONS): Likewise.
219 * system.h (strsignal): Prototype it, if necessary.
220 (sys_siglist): Declare it, if necessary.
222 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
224 * loop.c (move_movables): While removing insn sequences, preserve
225 the next pointer of the most recently deleted insn when we skip
228 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
230 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
231 supported with -mcpu=xxx.
233 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
235 * flow.c (mark_set_1): Recognize multi-register structure return
236 values in CALL insns.
237 (mark_used_regs): Likewise.
238 (count_reg_sets_1): Likewise.
239 (count_reg_references): Likewise.
240 * rtlanal.c (note_stores): Likewise.
241 (reg_overlap_mentioned_p): Likewise.
242 * haifa-sched.c (check_live_1): Likewise.
243 (update_live_1): Likewise.
244 (sched_analyze_1): Likewise.
245 (sched_note_set): Likewise.
246 (birthing_insn_p): Likewise.
247 (attach_deaths): Likewise.
249 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
252 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
254 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
256 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
258 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
260 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
262 * configure.in: Add check for GAS subsection -1 support.
263 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
264 * configure config.in: Rebuilt.
265 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
266 SImode is subsection -1 works, else use DImode.
267 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
269 * config/sparc/sparc.c (sparc_output_addr_vec,
270 sparc_output_addr_diff_vec): Use them if defined.
272 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
274 * tree.h (DECL_ORIGIN): New macro.
275 * integrate.c (copy_and_set_decl_abstract_origin): New function.
276 (copy_decl_list): Use it.
277 (integrate_parm_decls): Likewise.
278 (integrate_decl_tree): Likewise.
279 * dwarf2out.c (decl_ultimate_origin): Simplify.
280 * dwarfout.c (decl_ultimate_origin): Likewise.
281 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
282 (pushdecl): Likewise.
284 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
286 * config/rs6000/rs6000.c (output_epilog): Add Java support.
288 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
290 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
292 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
294 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
295 empty or has a single entry.
297 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
298 before calling reg_to_stack.
300 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
302 * alpha.c (alphaev5_insn_pipe): Abort on default case.
303 (alphaev5_next_group): Swallow CLOBBERs and USEs.
305 * c-tree.h (warn_long_long): Declare it.
307 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
309 * emit-rtl.c (gen_lowpart_common): Disable optimization of
310 initialized float-int union if the value is a NaN.
312 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
314 * c-lex.c (real_yylex): Don't warn about long long constants if
315 we're allowing long long
317 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
319 * except.h (current_function_eh_stub_label): Declare.
320 (current_function_eh_old_stub_label): Declare.
321 * function.h (struct function): New members eh_stub_label and
323 * except.c (current_function_eh_stub_label): New variable.
324 (current_function_eh_old_stub_label): New variable.
325 (init_eh_for_function): Clear them.
326 (save_eh_status): Save them.
327 (restore_eh_status): Restore them.
328 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
329 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
330 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
331 make an edge from the block that contains it to the block starting
332 with the label if this label is one of the eh stub labels.
333 If eh stub labels exist, show they are reachable from the last block
336 * reload1.c (reload): Break out several subroutines and make some
338 (calculate_needs_all_insns): New function, broken out of reload.
339 (calculate_needs): Likewise.
340 (find_reload_regs): Likewise.
341 (find_group): Likewise.
342 (find_tworeg_group): Likewise.
343 (something_needs_reloads): New global variable, formerly in reload.
344 (something_needs_elimination): Likewise.
345 (caller_save_spill_class): Likewise.
346 (caller_save_group_size): Likewise.
347 (max_needs): Likewise.
348 (group_size): Likewise.
349 (max_groups): Likewise.
350 (max_nongroups): Likewise.
351 (group_mode): Likewise.
352 (max_needs_insn): Likewise.
353 (max_groups_insn): Likewise.
354 (max_nongroups_insn): Likewise.
357 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
359 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
361 * loop.c (load_mems): Copy rtx for output mem.
363 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
365 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
366 mips1 or mips2 either.
368 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
370 * pa.c (pa_reorg): New marking scheme for jumps inside switch
372 (pa_adjust_insn_length): Update to work with new marking scheme
373 for jumps inside switch tables.
374 * pa.md (switch_jump): Remove pattern.
375 (jump): Handle jumps inside jump tables.
377 * Makefile.in (profile.o): Depend on insn-config.h
379 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
381 * iris6.h (DWARF2_UNWIND_INFO): Undef.
383 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
385 Add preliminary native sparcv9 Solaris support.
386 * configure.in: Recognize sparv9-*-solaris2*
388 * config.sub: Recognize sparcv9 just like sparc64.
389 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
390 config/sparc/sol2-cn.asm: Macroize so it can be shared between
391 32-bit and 64-bit Solaris systems.
392 * config/sparc/t-sol2: Assemble those with cpp.
393 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
394 (*TF*_LIBCALL): If ARCH64 use V9 names.
395 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
397 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
399 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
400 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
402 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
404 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
405 to Pmode if CASE_VECTOR_MODE is something else.
407 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
409 * prefix.c (update_path): Correctly handle cases where PATH is
410 a substring of the builtin prefix, but specifies a different
413 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
415 * expr.c: Corrected comment about what MOVE_RATIO does.
416 * config/alpha/alpha.h: Ditto.
417 * config/1750a/1750a.h: Ditto.
418 * config/clipper/clipper.h: Ditto.
419 * config/i386/i386.h: Ditto.
421 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
423 * configure.in (m68k-next-nextstep3*): Use collect2.
424 Similarly for x86 NeXT configurations.
425 * configure: Rebuilt.
427 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
429 * configure.in: Don't assume srcdir is .../gcc
430 * configure: Rebuilt.
432 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
434 * global.c: Update comments.
435 (global_alloc): Assign allocation-numbers
436 even for registers allocated by local_alloc in case
437 they are later spilled and retry_global_alloc is called.
438 (mark_reg_store, mark_reg_clobber,
439 mark_reg_conflicts, mark_reg_death): Always record a
440 conflict with a pseudo register even if it has been
441 assigned to a hard register.
442 (dump_conflicts): Don't list pseudo registers already assigned to
443 a hard register as needing to be allocated, but do list their
445 * local-alloc.c: Update comment.
447 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
449 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
450 * configure: Rebuilt.
452 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
454 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
456 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
457 for all targets that set -msoft-float.
459 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
461 * toplev.c (print_switch_values): Make static to match prototype.
463 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
465 * configure.in: If we are unable to find the "gnatbind" program,
466 then do not configure the ada subdir.
467 * configure: Rebuilt.
469 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
471 * version.c: Bump for snapshot.
473 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
475 * version.c: Bump for snapshot.
477 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
479 * Makefile.in (toplev.o): Depend on $(EXPR_H).
480 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
482 * gansidecl.h: Define ATTRIBUTE_NORETURN.
484 * genattrtab.c: Have insn-attrtab.c include toplev.h.
486 * genextract.c: Have insn-extract.c include toplev.h.
488 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
490 * toplev.c: Include expr.h.
491 (really_sorry, fancy_abort): Remove prototypes.
492 (set_target_switch): Add argument in prototype.
493 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
494 (v_really_sorry): Likewise.
495 (print_version, print_single_switch, print_switch_values): Make
496 static and add prototype arguments.
497 (decl_printable_name): Add prototype arguments.
498 (lang_expand_expr_t): New typedef.
499 (lang_expand_expr): Declare as a lang_expand_expr_t.
500 (incomplete_decl_finalize_hook): Add prototype argument.
501 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
502 (botch): Likewise for variable `s'.
503 (rest_of_type_compilation): Mark variables `type' and `toplev'
504 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
505 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
506 (display_help): Make variable `i' an `unsigned long'.
507 (main): Remove unused parameter `envp'.
508 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
509 Cast -1 when comparing it with a `size_t'.
511 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
512 prototype with ATTRIBUTE_NORETURN.
513 (fatal_insn_not_found, fatal_insn, really_sorry,
514 push_float_handler, pop_float_handler): Add prototypes.
515 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
516 (do_abort, botch): Add prototypes.
518 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
520 * final.c (final): If a label is reached only from a single jump,
521 call NOTICE_UPDATE_CC on the jump and its predecessor before
522 emitting the insn after the label.
524 * i386.h: Add AMD K6 support.
525 Change TARGET_* macros to use table lookup.
526 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
527 (ADJUST_COST): Change definition to call function in i386.c.
528 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
529 * i386.c: Add AMD K6 support.
530 Add constants for feature tests used by TARGET_* macros.
531 (split_di): If before reload, call gen_lowpart and gen_highpart.
532 (x86_adjust_cost): New function.
533 (put_jump_code): New function.
534 (print_operand): New codes 'D' and 'd'.
535 * i386.md: New insn types. New insn attribute "memory".
536 Redefine scheduling parameters to use new types and add AMD K6
537 support. Explicitly set type of most insns.
538 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
539 Pro and K6 prefer movl $1,reg to incl reg.
540 (adddi3, subdi3): Set cc_status.
541 (DImode shift patterns): Change label counters from HOST_WIDE_INT
542 to int; x86 can't have more than 2^31 DImode shifts per file.
543 (setcc): Combine all setcc patterns. Allow writing memory.
544 Combine all jump patterns using match_operator.
545 (*bzero): Name pattern. Emit mutliple stos instructions when that
546 is faster than rep stos.
547 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
550 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
552 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
555 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
557 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
558 not whatever we're generating now.
560 * alpha.c (set_frame_related_p, FRP): New.
561 (alpha_expand_prologue): Mark frame related insns.
562 (alpha_expand_epilogue): Likewise, but with a null FRP.
563 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
564 * alpha.md (exception_receiver): New.
565 * alpha/crtbegin.asm (.eh_frame): New beginning.
566 (__do_frame_setup, __do_frame_takedown): New.
567 * alpha/crtend.asm (.eh_frame): New ending.
568 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
569 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
570 (ASM_FILE_START): Don't emit .file for dwarf2.
572 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
573 * rtl.c (reg_note_name): Likewise.
574 * rtl.texi (REG_NOTES): Likewise.
575 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
578 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
580 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
581 * i386.md (movsf, movdf, movxf): Validate memory address returned
582 from force_const_mem. Kill useless REG_EQUAL setting code.
584 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
586 * m68k.md (zero_extendsidi2): Fix typo.
588 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
590 * configure.in: Removed references to the removed file
591 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
592 * arm*-*-netbsd* and ns32k-*-netbsd*.
593 * config/i386/xm-netbsd.h: Removed unnecessary file.
594 * config/m68k/xm-netbsd.h: Likewise.
595 * config/sparc/xm-netbsd.h: Likewise.
596 * config/mips/xm-netbsd.h: Likewise.
598 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
600 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
601 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
603 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
604 for exact section attributions.
606 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
608 * i386/crtdll.h (CPP_PREDEFINES): Define.
610 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
612 * m68k.md (5200 movqi): Do not allow byte sized memory references
614 * m68k.c (output_move_qimode): Do not use byte sized operations on
617 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
618 explicit rules for building. Similarly for alloca, vfprintf,
619 choose-temp and mkstemp, getopt, getopt1, and obstack.
620 (INCLUDES): Add $(srcdir)/../include.
621 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
622 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
624 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
626 * gcc.c (do_spec_1): [case 'o'] Account for
627 lang_specific_extra_outfiles.
628 (main): Correctly clear all slots in outfiles for
629 lang_specific_extra_outfiles. Set input_file_number before
630 calling lang_specific_pre_link.
632 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
634 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
636 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
638 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
640 (sparc_output_deferred_case_vectors): If no work to do, return.
641 Fix thinko in Sept 1 change.
643 1998-09-03 SL Baur <steve@altair.xemacs.org>
645 * Makefile.in: add semicolon in BISON definition for portability.
647 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
649 * config/nextstep.c (handle_pragma): Correct name of third
652 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
654 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
655 * config/m32r/m32r.h: Make register 17 be fixed.
656 * config/m32r/m32r.c: Use SImode for cc operations.
658 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
660 * invoke.texi (Warning Options): Add -Wnon-template-friend
663 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
665 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
667 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
669 * rs6000.md (movsf): Disable explicit secondary-reload-like
670 functionality if TARGET_POWERPC64.
671 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
674 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
676 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
677 and term.h from fixinc.wrap.
679 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
681 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
682 safe to include both string.h and strings.h together.
683 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
684 which headers to search for function declarations. Continue to
685 prefer string.h over strings.h when both are not acceptable.
687 * acconfig.h (STRING_WITH_STRINGS): Add stub.
689 * configure.in: Call GCC_HEADER_STRING.
691 * system.h: Test STRING_WITH_STRINGS when deciding which headers
692 to include. Continue to prefer string.h over strings.h when both
695 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
697 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
698 not assume top 32-bits of symbolic addresses are zero if
701 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
703 * ginclude/va-alpha.h: Protect entire second portion of the
704 file against double inclusion.
706 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
708 Added support for the Boehm's garbage collector.
709 * configure.in: Handle --enable-objc-gc.
710 * configure: Rebuilt.
711 * Makefile.in (CHECK_TARGETS): Add check-objc.
712 (check-objc): New rule.
713 * objc/Make-lang.in: Build a different Objective-C library that
714 runs with the Boehm's collector.
715 * objc/encoding.c (objc_round_acc_size_for_types): New function.
716 * objc/encoding.c: Correctly compute the size of compound types in
717 the presence of bitfields. Skip the variable name of the type if
718 any. Added support for long long.
719 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
720 (_F_GCINVISIBLE): New mask.
721 * objc/gc.c: New file. Compute the type memory mask associated with
722 a class based on the runtime information.
723 * objc/misc.c: Added the hooks that use the Boehm's collector
724 allocation functions.
725 * objc/objc-act.c (build_class_template): Generate a new class
726 member (gc_object_type) to hold the class' type memory mask.
727 (build_shared_structure_initializer): Initialize the new member to
729 (encode_complete_bitfield): New function. Generate the new
731 (encode_field_decl): Generate the new encoding only for the GNU
733 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
735 (class_get_gc_object_type): New function to mark a pointer instance
736 variable as a weak pointer.
737 * objc/objc-features.texi: New file.
738 * objc/objc.h (gc_object_type): New class member.
739 * objc/objects.c (class_create_instance): Create a typed memory
740 object when compiled with Boehm's collector support.
741 * objc/sendmsg.c (__objc_init_install_dtable): Call
742 __objc_send_initialize instead of setting the initialize flag.
743 (__objc_send_initialize): Call __objc_generate_gc_type_description
744 to generate the class type memory mask. Rewrite the code that
745 sends the +initialize so that it is called only once (bug report
746 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
747 * testsuite/objc: New testsuite for Objective-C type encoding.
748 * testsuite/lib/objc-torture.exp: New file.
749 * testsuite/lib/objc.exp: New file.
751 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
753 * jump.c (jump_optimize): In if/then/else transformations, add
754 another call to modified_between_p for the jump insn.
756 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
758 * fix-header.c (symlink): Treat like readlink.
760 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
762 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
765 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
767 * config/nextstep.h: Update HANDLE_PRAGMA macro.
768 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
769 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
771 * config/nextstep.c (handle_pragma): Take three arguments, as per
772 the new HANDLE_PRAGMA macro specification.
773 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
774 per the new HANDLE_PRAGMA macro specification.
775 * config/i960/i960.c (process_pragma): Take three arguments, as
776 per the new HANDLE_PRAGMA macro specification.
778 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
780 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
781 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
782 if unknown pragmas are encountered.
783 (handle_sysv_pragma): Interpret return code from
784 handle_pragma_token (). Return success/failure indication rather
785 than next unprocessed character.
786 (pragma_getc): New function: retrieves characters from the
787 input stream. Defined when HANDLE_PRAGMA is enabled.
788 (pragma_ungetc): New function: replaces characters back into the
789 input stream. Defined when HANDLE_PRAGMA is enabled.
791 * c-pragma.c (handle_pragma_token): Return success/failure status
794 * c-pragma.h: Change prototype of handle_pragma_token().
796 * varasm.c: (handle_pragma_weak): Only create this function if
797 HANDLE_PRAGMA_WEAK is defined.
799 * c-common,c (decl_attributes): If defined call the expression
800 contained within the INSERT_ATTRIBUTES macro before adding
801 attributes to a decl.
803 * tm.texi (HANDLE_PRAGMA): Document the new verion of
804 HANDLE_PRAGMA, which takes three arguments.
805 (INSERT_ATTRIBUTES): Document this new macro.
807 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
808 new INSERT_ATTRIBUTES macro.
810 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
812 * config/sparc/sparc.md (movdf): Only generate special RTL for
814 (move_label_di): Remove
815 (movdi_pic_label_ref, movdi_high_pic_label_ref,
816 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
818 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
819 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
820 output an .xword for all 64-bit cases.
822 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
824 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
825 alignment, use FUNCTION_BOUNDARY instead.
826 (sparc_output_deferred_case_vectors): Likewise.
828 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
830 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
831 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
833 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
835 * alpha/va_list.h: New file.
836 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
838 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
840 * NEWS: Add SCO Openserver and Unixware 7 notes.
844 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
846 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
847 (record_constant_1): Handle RANGE_EXPR.
849 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
851 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
852 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
853 and NOTE_INSN_RANGE_END specially.
854 (reemit_notes): Likewise.
856 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
858 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
859 (ultrasparc_sched_init): Remove unneeded &.
861 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
863 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
864 for m68020-60, to prevent the use of fintrz.
866 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
868 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
870 * Makefile.in: Likewise.
871 * configure: Regenerated.
873 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
875 * configure.in (gxx_include_dir): Changed to
876 '${prefix}/include/g++'-${libstdcxx_interface}.
877 * configure: Rebuilt.
879 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
881 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
883 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
884 *sequences* *below* which scalar moves will be used.
886 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
888 * collect2.c (mktemp): Delete unused declaration.
890 * config/xm-netbsd.h: Remove unnecessary file.
891 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
892 file anymore, it is not needed.
894 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
896 * convert.c (convert_to_integer): Issue an error on conversions to
899 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
901 * Makefile.in: Add lang_tree_files and gencheck.h.
902 * configure.in: Generate them.
903 * gencheck.c: Include gencheck.h.
905 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
907 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
908 movdi_lo_sum_pic and movdi_high_pic and make visible.
909 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
910 emit these when Pmode is not SImode.
911 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
913 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
915 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
916 .linkonce directive after the first time.
918 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
920 * m68k.md (beq0_di): Generate correct (and more efficient) code when
921 the clobbered operand overlaps with an input.
922 (bne0_di): Similarly.
924 * Makefile.in (INSTALL): Remove "--no-header" argument.
926 * NEWS: Various updates.
928 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
930 * config/sparc/sparc.c (arith_operand, const64_operand,
931 const64_high_operand, arith_double_4096_operand): Mark mode as
933 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
935 (sparc_emit_set_const64): Remove unused variable i.
936 (sparc_splitdi_legitimate): Likewise for addr_part.
937 (ultra_code_from_mask): Likewise for mask.
938 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
939 reverse return values so it matches usage and comments.
940 (ultra_flush_pipeline): Likewise.
941 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
942 this_type, and allow loads and stores of differing FP modes as
943 they do not create a conflict.
944 (ultra_find_type): Initialize fpmode to SFmode, fix
945 parenthesization thinkos in large conditional.
946 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
947 Init free_slot_mask after ultra_cur_hist is reset, not before.
948 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
949 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
950 use ultra_flush_pipeline instead, then re-init group pointer.
951 Fix statement with no effect. If no progress made in, and no
952 instructions scheduled at all, advance to new pipeline cycle else
953 we get into an endless loop.
954 (ultrasparc_adjust_cost): Remove previous arg.
955 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
957 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
959 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
960 code. Use reg_overlap_mentioned_p to detect when source and
962 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
964 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
966 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
967 COMPARISON_VAL, into invariant_p.
969 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
971 * regmove.c (regclass_compatible_p): New function.
972 (regmove_optimize): Use it.
974 Use NREGS parameter insted of calling max_reg_num.
976 (fixup_match_1): Don't use code = MINUS when later tieing with
977 a hard register is likely.
979 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
981 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
982 COMPARISON_VAL was normalized.
984 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
986 * loop.c (check_dbra_loop): The loop ending comparison value
987 must be an invariant or we can not reverse the loop.
989 * loop.c (scan_loop): Count down from max_reg_num - 1 to
990 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
992 (load_mems_and_recount_loop_regs_set): Likewise.
994 * i386.c (print_operand): Remove obsolete 'c' docs.
996 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
998 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
999 * frame.c (init_object_mutex): New function.
1000 (init_object_mutex_once): Likewise.
1001 (find_fde): Call it.
1002 (__register_frame_info): Likewise.
1003 (__register_frame_info_table): Likewise.
1004 (__deregister_frame_info): Likewise.
1006 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
1008 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
1010 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1012 * loop.c (check_dbra_loop): Enable code for reversal
1013 of some loops without a known constant loop end.
1015 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
1017 * haifa-sched.c (last_clock_var): New.
1018 (schedule_block): Initialize it.
1019 (schedule_insn): Use it to fill insn modes with issue information.
1021 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
1022 Tag trapb and next insn with TImode.
1023 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
1024 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
1025 Invoke alphaev5_align_insns as appropriate.
1026 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
1027 (MD_SCHED_VARIABLE_ISSUE): New.
1028 * alpha.md (attr type): Add multi.
1029 (define_asm_attributes): New.
1030 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
1031 (arg_home): Likewise.
1032 (fnop, unop, realign): New.
1034 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
1036 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
1037 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
1039 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
1040 (rs6000-ibm-aix4.[12]*): Likewise.
1041 * configure: Regnerate.
1043 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1045 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1046 already contains the return address.
1048 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1050 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1051 word sized hunks when loading unaligned args into registers.
1053 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1054 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1056 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1058 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1060 * loop.c (check_dbra_loop): Add some code that would allow reversal
1061 of some loops without a known constant loop end if it were enabled.
1063 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1065 * mips.md (lshrsi3_internal2+2): Fix type-o.
1067 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1069 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1070 correctly with regards to stdio.h.
1072 * calls.c: Remove stdarg.h/varargs.h.
1075 * combine.c: Likewise.
1076 * cpperror.c: Likewise.
1077 * cpplib.c: Likewise.
1078 * cpplib.h: Likewise.
1079 * doprint.c: Likewise.
1080 * emit-rtl.c: Likewise.
1081 * final.c: Likewise.
1082 * fix-header.c: Likewise.
1084 * genattr.c: Likewise.
1085 * genattrtab.c: Likewise.
1086 * gencodes.c: Likewise.
1087 * genconfig.c: Likewise.
1088 * genemit.c: Likewise.
1089 * genextract.c: Likewise.
1090 * genflags.c: Likewise.
1091 * genopinit.c: Likewise.
1092 * genoutput.c: Likewise.
1093 * genpeep.c: Likewise.
1094 * genrecog.c: Likewise.
1095 * mips-tfile.c: Likewise.
1096 * prefix.c: Likewise.
1097 * protoize.c: Likewise.
1098 * regmove.c: Likewise.
1099 * toplev.c: Likewise.
1102 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1104 * config/sparc/sparc.c (sparc_override_options): If not
1105 TARGET_FPU, turn off TARGET_VIS.
1106 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1107 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1108 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1109 (movdi_insn_sp64): Add VIS fzero alternative.
1110 (clear_sf, clear_df): New VIS patterns.
1111 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1113 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1115 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1117 * loop.c (n_times_set, n_times_used, may_not_optimize,
1118 reg_single_usage): Convert to varrays. All uses changed.
1119 (insert_loop_mem): Return a value.
1120 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1121 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1124 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1127 * configure.in: Do not set thread_file to "irix" since no such
1130 * sparc.md (float abs/neg splits): Check reload_completed before
1131 calling alter_subreg.
1133 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1135 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1137 * config/sparc/sparc.h: Declare it.
1138 * config/sparc/sparc.md (float abs/neg splits): Use it.
1139 (all other splits): Handle SUBREGs properly where necessary.
1140 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1142 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1144 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1145 an insn on the unfilled_slots_list that has no delay slots.
1146 (fill_eager_delay_slots): Similarly.
1148 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1150 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1151 as an ordinary operand.
1153 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1155 * tree.c (valid_machine_attribute): Don't apply attributes to both
1158 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1160 * reload.c (operands_match_p): Handle rtvecs.
1162 * i386.c (legitimate_pic_address_disp_p): New.
1163 (legitimate_address_p): Use it.
1164 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1165 Handle constant pool symbols just like statics.
1166 (emit_pic_move): Use Pmode not SImode for clarity.
1167 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1168 [UNSPEC]: New, handling what we killed above.
1169 [PLUS]: Detect and abort on invalid symbol arithmetic.
1170 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1172 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1174 * alias.c: Include output.h.
1175 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1176 different if we're in a varargs function.
1177 * Makefile.in (alias.o): Depend on output.h
1179 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1181 * sh.h (GIV_SORT_CRITERION): Delete.
1183 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1185 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1186 * stupid.c (stupid_life_analysis): Ditto.
1187 * reload1.c (reload): Ditto.
1189 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1191 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1192 arith_double_4096_operand, arith_double_add_operand): New
1194 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1195 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1196 them to transform add/sub 4096 into add/sub -4096.
1198 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1200 * loop.c (scan_loop): Allocate some slop to handle pseudos
1201 generated by move_movables.
1202 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1205 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1207 * tree.def (DECL_RESULT): Correct documentation.
1209 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1211 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1212 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1213 conflicts will all RELOAD_FOR_OUTPUT reloads.
1215 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1216 loads the function result, substitute with a USE.
1218 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1220 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1221 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1222 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1223 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1224 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1225 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1227 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1228 'o' to 'm' for GPR variant constraints.
1230 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1232 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1234 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1236 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1237 when the source and destination overlap.
1239 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1240 clash with global type.
1242 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1244 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1246 * c-common.c (combine_strings): Also set TREE_READONLY.
1247 Change warn_write_strings to flag_const_strings.
1248 * c-decl.c, c-tree.h: Likewise.
1250 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1252 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1253 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1254 sequence, use SET/IOR instead so CSE can see it.
1255 * config/sparc/sparc.md (movhi_const64_special,
1256 movsi_const64_special): New patterns necessitated by that change.
1257 (movhi_high): Remove.
1258 (movhi_lo_sum): Change to match an IOR.
1259 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1260 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1261 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1262 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1263 registers are involved.
1264 (snesi_zero_extend split): Remove reload_completed test.
1265 (unnamed plus and minus zero_extend sidi splits): Add it.
1267 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1269 * extend.texi: Remove description of extension to explicit
1270 instantiation that is now endorsed by standard C++.
1272 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1274 * config/arc/arc.c (arc_initialize_pic): Remove.
1275 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1276 nothing on any platform and is invoked by no-one, it does not even
1277 appear in the documentation.
1278 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1279 * config/sparc/sparc.c (initialize_pic): Likewise.
1280 (find_addr_reg): Remove this as well, no longer referenced after
1283 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1285 * recog.c (validate_replace_rtx_group): New function.
1286 * recog.h (validate_replace_rtx_group): Declare it.
1287 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1288 the entire group of substitutions.
1290 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1292 * loop.c (load_mems): Fix initializers.
1294 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1296 * config/sparc/sparc.md (TFmode splits): Handle destination
1297 registers being referenced in the address correctly.
1299 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1300 TREE_UNSIGNED, when bitsize of type's mode is larger than
1301 HOST_BITS_PER_WIDE_INT.
1303 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1305 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1306 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1307 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1309 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1312 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1314 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1315 * h8300.h (TINY_DATA_NAME_P): Likewise.
1316 (STRIP_NAME_ENCODING): Handle '&'.
1318 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1319 register (it could be accessed via an outer SUBREG).
1320 (REG_OK_FOR_BASE_P): Likewwise.
1321 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1323 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1326 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1328 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1330 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1331 must be offsettable so the splits can be made.
1333 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1335 * config/i386/winnt.c: Include system.h, not stdio.h to get
1336 sys/param.h pulled in before rtl.h in case the system defines MIN
1339 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1341 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1343 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1345 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1347 * cpplib.c (cpp_define): Handle macros with parameters.
1349 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1351 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1352 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1353 and DImode 64-bit. Use llong for minimal-toc SFmode and
1354 SYMBOL_REF / LABEL_REF 64-bit.
1355 (output_function_profiler): Use llong for profiler label and ld to
1356 load 64-bit label address.
1358 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1360 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1363 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1365 * version.c: Bump for snapshot.
1367 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1369 * version.c: Bump for snapshot.
1371 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1373 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1375 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1377 * tm.texi (Misc): Fix typo "teh".
1379 * tm.texi (PIC): Fix typo "PPIC".
1381 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1382 effect when -O2 and higher.
1383 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1385 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1387 * regclass.c: Changed register set documentation to be consistent
1390 * final.c (final_start_function) Removed redundant test for
1393 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1395 * rtl.h (rtx_function): New type.
1396 (for_each_rtx): New function.
1397 * rtlanal.c (for_each_rtx): Define it.
1399 * recog.c (change_t): New type.
1400 (change_objects, change_old_codes, change_locs, change_olds):
1402 (changes): New variable.
1403 (validate_change): Dynamically allocate room for more changes, if
1404 necessary. Uses changes array instead of change_objects, etc.
1405 (apply_change_group): Use changes array instead of
1406 change_objects, etc.
1408 * loop.c (loop_mem_info): New type.
1409 (loop_mems): New variable.
1410 (loop_mems_idx): Likewise.
1411 (looop_mems_allocated): Likewise.
1412 (scan_loop): Remove nregs parameter.
1413 (next_insn_in_loop): New function.
1414 (load_mems_and_recount_loop_regs_set): Likewise.
1415 (load_mems): Likewise.
1416 (insert_loop_mem): Likewise.
1417 (replace_loop_mem): Likewise.
1418 (replace_label): Likewise.
1419 (INSN_IN_RANGE_P): New macro.
1420 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1421 (scan_loop): Remove nregs parameter, compute it after any new
1422 registers are created by load_mems. Use INSN_IN_RANGE_P and
1423 next_insn_in_loop rather than expanding them inline. Call
1424 load_mems to load memory into pseudos, if appropriate.
1425 (prescan_loop): Figure out whether or not there are jumps from the
1426 loop to targets other than the label immediately following the
1427 loop. Call insert_loop_mem to notice all the MEMs used in the
1428 loop, if it could be safe to pull MEMs into REGs for the duration
1430 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1432 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1434 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1436 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1438 * config/sparc/sparc.c (finalize_pic): Check for the correct
1439 nonlocal_goto_receiver UNSPEC number.
1440 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1441 making note of this dependency existing in sparc.c
1442 (negtf2_notv9 split): Give NEG SFmode.
1443 (negsf2): Fix insn output string.
1445 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1447 * c-common.c (decl_attributes): Issue an error if the argument
1448 to alias is not a string.
1450 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1452 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1453 pending memory flush list.
1455 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1457 (try_combine): Allow combining insns with REG_LIBCALL notes.
1459 * expr.c (emit_block_move): Do not call memcpy as a libcall
1460 instead build up a CALL_EXPR and call it like any other
1462 (clear_storage): Similarly for memset.
1464 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1467 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1470 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1471 and REG_LIVE_LENGTH as successful substitutions are made.
1473 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1475 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1476 statement after end of loop label.
1478 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1480 * config/sparc/sparc.c (ultra_types_avail): New variable.
1481 (ultra_build_types_avail): New function to record mask of insn
1482 types in ready list at this cycle.
1483 (ultrasparc_sched_reorder): Call it.
1484 (ultra_find_type): Use it to quicken the search. Also simplif
1485 dependency check, don't use rtx_equal_p because we know exactly
1486 what we are looking for.
1488 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1490 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1491 for architecture v4.
1493 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1495 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1497 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1498 movdf_const_intreg and helper splits): New patterns to move float
1499 constants into integer registers.
1500 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1503 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1506 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1508 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1510 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1511 a BASE_REGS register is needed as an intermediate when copying
1512 a symbolic value into any register class other than BASE_REGS.
1514 * expr.c (move_by_pieces): No longer static. Remove prototype.
1515 * rtl.h (move_by_pieces): Add extern prototype.
1516 * mips.c (expand_block_move): Handle aligned straight line copy by
1517 calling move_by_pieces.
1519 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
1522 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
1524 * stmt.c (expand_end_loop): Tidy. Allow unconditional
1525 jumps out of the loop to be treated as part of the exit test.
1527 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1528 Jeff Law <law@cygnus.com>
1530 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
1531 * cplus-dem.c: Delete.
1533 * Makefile.in (fold-const.o): depend on $(RTL_H).
1535 * fold-const.c: Include rtl.h to get the prototype for
1536 `set_identifier_local_value'.
1538 * loop.c (express_from_1): Remove unused variable `tmp'.
1539 (combine_givs): cast the first argument of bzero to char *.
1541 * toplev.c (display_help): Remove unused variable `looking_for_start'.
1543 * c-decl.c (init_decl_processing): Remove unneeded &.
1545 * alpha.h (alpha_initialize_trampoline): Provide prototype.
1547 * except.c (set_exception_lang_code, set_exception_version_code):
1548 Change parameter from `short' to `int' to avoid using a gcc
1551 * except.h (set_exception_lang_code, set_exception_version_code):
1552 Likewise for prototypes.
1554 * flow.c (count_reg_references): Remove unused variables `regno'
1557 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
1559 * prefix.c (translate_name): Cast the result of `alloca'.
1561 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
1563 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1565 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
1567 (valid_dbcc_comparison_p): Mark mode argument as unused.
1568 (symbolic_operand): Likewise.
1569 (legitimize_pic_address): Likewise.
1570 (const_uint32_operand): Likewise.
1571 (const_sint32_operand): Likewise.
1572 * sched.c [!INSN_SCHEDULING]: Define only dummy function
1573 schedule_insns and comment out rest of file.
1575 * m68k.c (output_move_simode_const): Use subl to move a zero into an
1577 (output_move_[hq]imode): Likewise.
1579 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
1581 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
1582 * invoke.texi: Corresponding changes.
1584 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
1586 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
1588 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1590 * config/sparc/sparc.c (ultra_code_from_mask,
1591 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
1592 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
1593 ultrasparc_sched_init, ultrasparc_variable_issue,
1594 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
1595 functions to describe UltraSPARC pipeline exactly to Haifa.
1596 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
1597 as there is nothing the scheduler can do about it. Indicate that
1598 REG_DEP_OUTPUT's collide. Fixup formatting.
1599 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
1600 divide costs on Ultra for DImode.
1601 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
1603 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
1604 ieuN and add call_no_delay_slot to type list.
1605 (cti function unit): New unit for branches on UltraSPARC.
1606 (subx/addx insns): Set type to misc.
1607 (sidi zero/sign extension insns on arch64): Set type to shift.
1608 (sign_extendhidi2_insn): Set type to sload.
1610 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
1612 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
1613 (output_epilog): Use if != 0 for offset.
1614 (rs6000_fatal_bad_address): Prepare for Intl.
1615 * rs6000.h (rs6000_fatal_bad_address): Declare.
1616 * rs6000.md (movsfcc, movdfcc): Use else if.
1617 (elf_high): Use {liu|lis}.
1618 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
1619 (movsi): Use rs6000_fatal_bad_address.
1621 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
1623 * reload.c (find_equiv_reg): Reject equivalences separated
1624 by a volatile instruction.
1626 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1628 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
1630 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
1632 * alpha.md (movsicc): Fix mode mismatch.
1634 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
1636 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
1638 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
1640 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1642 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
1643 write-only modifier from operand 1 constraint.
1645 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1647 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
1648 emitting a XOR of -1 at the end, emit a NOT instead for combine's
1650 (sparc_emit_set_const64): Likewise, also when computing trailing
1651 bits do not negate low_bits and make fast_int an int.
1653 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
1655 * loop.c (add_label_notes): Do not ignore references to labels
1656 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
1657 * gcse.c (add_label_notes): Similarly.
1659 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
1661 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1662 (adddi_dishl32): Similarly.
1664 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1666 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1667 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1668 * cse.c (cse_basic_block): Add parens to shut up warnings.
1670 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1672 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1673 sparc_emit_set_const64_longway, const64_is_2insns,
1674 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1675 in 64-bit constant formation.
1676 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1677 rtl for addx not subx.
1678 (define_insn movdi_const64_special): Make available even when
1679 HOST_BITS_PER_WIDE_INT is not 64.
1680 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1681 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1682 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1683 instances of operand 1 inside a QI subreg.
1684 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1685 (one_cmpldi2_sp64): Fix output string.
1686 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1688 (unnamed arch64 ashift DI): Truncate shift count if greater than
1691 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1693 * expr.c (store_expr): Don't optimize away load-store pair
1694 when either source or destination have a side effect.
1696 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1698 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1699 operands of SET are incompatible.
1701 * alpha.md: Fix max and min patterns so modes of SET operands match.
1703 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1705 * configure.in: Avoid [[ by using test and changequote.
1706 * configure: Rebuild.
1708 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1710 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1712 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1713 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1714 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1715 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1716 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1717 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1718 Fix mismatching modes in SET operands.
1719 (conditional move patterns): Fix formatting.
1720 (unnamed subx arch64 pattern): Remove duplicate insn.
1722 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1724 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1725 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1726 (input_operand): Fixup test for what we accept for constant
1728 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1730 (safe_constDI): Remove.
1731 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1732 gen_safe_XOR64): New functions.
1733 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1734 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1736 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1737 available when HOST_BITS_PER_WIDE_INT is not 64.
1738 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1739 move before movdi_insn_sp64 pattern.
1740 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1741 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1742 symbolic_operand as predicate for second operand.
1743 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1744 expander): Give set VOIDmode.
1746 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1748 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1750 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1752 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1754 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1756 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1758 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1760 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1762 * install.texi: Various SCO OpenServer tweaks.
1764 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1766 * reload1.c (eliminate_regs_in_insn): Handle another case when
1767 eliminating the frame pointer to the hard frame pointer. Add
1768 missing ep->to_rtx check to one existing case.
1770 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1772 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1774 * tree.h: De-conditionalize init_priority code.
1776 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1777 * collect2.c (NM_FLAGS): Change from -p to -n.
1779 * configure.in: Turn on collect2 for mipstx39-elf.
1780 Handle use_collect2=no properly.
1782 * c-common.c: De-conditionalize init_priority code.
1783 * collect2.c (extract_init_priority, sort_ids): New fns.
1784 (main): Call sort_ids.
1785 Move sequence_number to file scope.
1787 * configure.in: Handle --enable-init-priority.
1788 * c-common.c (attrs): Add A_INIT_PRIORITY.
1789 (init_attributes, decl_attributes): Likewise.
1790 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
1791 * tree.c (get_file_function_name_long): Split out...
1792 (get_file_function_name): ...from here.
1794 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1796 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
1799 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1801 * toplev.c (display_help): Add braces to shut up warnings.
1802 * tree.c (simple_cst_equal): Likewise.
1804 * fold-const.c (non_lvalue): Don't deal with null pointer
1806 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1808 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
1809 of any size to a pointer.
1811 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
1813 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
1815 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
1817 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
1818 which will be saved.
1819 * mn10300.md (prologue insn): Only save registers which need saving.
1820 (epilogue insn): Similarly.
1822 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
1825 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
1827 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
1828 VAR_DECL's in gp addressable sections.
1830 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
1832 * sparc.c: Change return <exp> to <exp>; return; in functions
1834 * sparc.md: Add empty semicolon statement after final label in
1837 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1839 * config/sparc/sparc.md (define_insn addx_extend): Rename to
1840 addx_extend_sp64, only allow when TARGET_ARCH64.
1841 (define_insn addx_extend_sp32 and split): Version that works when
1843 (define_insn subx_extend): Likewise.
1844 (define_split adddi3 and subdi3 with zero extension): Fixup and
1845 correct bugs when not TARGET_ARCH64.
1847 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
1849 * except.c (set_exception_lang_code, set_exception_version_code):
1850 Use prototype-style definition if __STDC__, to match declaration
1853 * genemit.c: Change FAIL and DONE macros not to use loops.
1855 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
1857 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
1858 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
1860 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
1862 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
1864 * README.g77: Update from Craig.
1866 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1868 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
1870 (safe_constDI sparc_emit_set_const64_quick1,
1871 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1872 analyze_64bit_constant, const64_is_2insns,
1873 create_simple_focus_bits): Fix some bugs when compiled on real
1875 (function_arg_record_value_3, function_arg_record_value_2,
1876 function_arg_record_value): Add fully prototyped forward decls.
1877 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
1878 to cmpsi_insn and use on both 64 and 32 bit targets.
1879 (define_insn cmpsi_insn_sp64): Remove.
1880 (define_expand zero_extendsidi2): Allow for 32-bit target too.
1881 (define_insn zero_extendsidi2_insn): Rename to
1882 zero_extendsidi2_insn_sp64.
1883 (define_insn zero_extendsidi2_insn_sp32): New pattern and
1884 assosciated forced split for it.
1886 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1888 * config/sparc/sparc.h: Declare them.
1889 (PREDICATE_CODES): Add them.
1890 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
1891 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
1893 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
1895 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
1896 in v9 case as the latter makes the Solaris assembler crash.
1898 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1900 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
1901 for TFmode when !v9. We require offsettable memory addresses.
1902 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
1903 DFmode register number conversions.
1904 * config/sparc/sparc.md (define_split DFmode moves): If register
1905 is a SUBREG do alter_subreg on it before using.
1906 (define_expand movtf): Fixup comment about alignment on v9.
1907 (define_split TFmode moves): Don't use gen_{high,low}part, create
1908 explicit SUBREGs instead.
1910 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
1912 * Makefile.in (mbchar.o): Depend on mbchar.c.
1914 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1915 Richard Henderson <rth@cygnus.com>
1917 Rewrite Sparc backend for better code generation and
1918 improved sparc64 support.
1919 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
1921 * config/sparc/sysv4.h: Likewise.
1922 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
1923 move_operand, v8plus_regcmp_op, emit_move_sequence,
1924 singlemove_string, doublemove_string, mem_aligned_8,
1925 output_move_double, output_move_quad, output_fp_move_double,
1926 move_quad_direction, output_fp_move_quad, output_scc_insn):
1928 (small_int_or_double): New predicate.
1929 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
1930 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
1931 old pic_{sethi,lo_sum}_si patterns.
1932 (mem_min_alignment): New generic function to replace
1933 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
1934 available and can test for arbitrary alignments. All callers
1936 (save_regs, restore_regs, build_big_number,
1937 output_function_prologue, output_cbranch, output_return,
1938 sparc_flat_save_restore, sparc_flat_output_function_prologue,
1939 sparc_flat_output_function_epilogue): Prettify
1941 (output_function_epilogue): Likewise and add code to output
1942 deferred case vectors.
1943 (output_v9branch): Likewise, add new arg INSN and use it to tack
1944 on branch prediction settings. All callers changed.
1945 (print_operand): Likewise and output %l44 for LO_SUMs when
1947 (sparc_splitdi_legitimate): New function to make sure DImode
1948 splits can be run properly when !arch64.
1949 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
1950 Reformat example code in comments.
1951 (set_extends): Remove UNSPEC/v8plus_clear_high case.
1952 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
1953 of deferred case vectors we need to output.
1954 (sparc_defer_case_vector): Record a case vector.
1955 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
1956 sparc_output_deferred_case_vectors): New functions to output them.
1957 (sparc_emit_set_const32): New function to form 32-bit constants in
1958 registers when that requires more than one instruction.
1959 (safe_constDI, sparc_emit_set_const64_quick1,
1960 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1961 analyze_64bit_constant, const64_is_2insns,
1962 create_simple_focus_bits, sparc_emit_set_const64): New functions
1963 which do the same for 64-bit constants when arch64.
1964 (sparc_emit_set_symbolic_const64): New function to emit address
1965 loading for all code models on v9.
1966 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
1967 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
1968 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
1969 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
1970 inaccuracies in comments, add symbolic and text_segment operands
1971 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
1972 GENERAL_REGS in these cases as a temp REG is needed to load these
1973 addresses into a register properly.
1974 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
1976 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
1977 quads are guarenteed to have 16-byte alignment.
1978 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
1979 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
1980 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
1981 deferred case vector implementation.
1982 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
1983 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
1984 Generate "internal label - label" instead of "label - 1b".
1985 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
1986 (PREDICATE_CODES): Remove sparc_operand, move_operand,
1987 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
1989 (doublemove_string, output_block_move, output_fp_move_double,
1990 output_fp_move_quad, output_move_double, output_move_quad,
1991 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
1992 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
1993 (sparc_emit_set_const32, sparc_emit_set_const64,
1994 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
1995 mem_min_alignment, small_int_or_double): Add externs.
1996 * config/sparc/sparc.md: Document the many uses of UNSPEC and
1997 UNSPEC_VOLATILE in this backend.
1998 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
1999 unary to types which execute in it.
2000 (define_function_unit ieu_shift): Rename to ieu0.
2001 (define_function_unit ieu1): New, executes compare, call, and
2002 uncond_branch type insns.
2003 (define_function_units for type fdivs, fdivd, fsqrt): These
2004 execute in the fpu multiply unit not the adder on UltraSparc.
2005 (define_expand cmpdi): Disallow TARGET_V8PLUS.
2006 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
2007 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
2008 allows the arith_double_operand predicate and rHI constraint when
2010 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
2011 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
2012 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
2013 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
2014 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
2015 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
2016 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
2017 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
2018 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
2019 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
2020 sign_extendqihi2_insn, sign_extendqisi2_insn,
2021 sign_extendqidi2_insn, sign_extendhidi2_insn,
2022 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
2023 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
2024 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
2025 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
2026 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
2027 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
2028 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
2029 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
2030 smulsi3_highpart_v8plus, unnamed subreg mult,
2031 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
2032 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
2033 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
2034 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
2035 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
2036 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
2037 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
2038 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
2039 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
2040 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2041 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
2042 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2043 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2044 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2045 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2046 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2047 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2048 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2049 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2050 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2051 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2052 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2053 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2054 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2055 call_address_untyped_struct_value_sp32,
2056 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2057 call_value_symbolic_sp32, call_value_address_sp64,
2058 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2059 flush_register_windows, goto_handler_and_restore,
2060 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2061 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2062 return_addsi, return_di, return_adddi, return_sf, all call+jump
2063 peepholes, trap, unnamed trap insns): Prettify output strings.
2064 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2065 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2066 Likewise and force + implement splits for integer cases.
2067 (define_insn return_sf_no_fpu): Likewise and allow to match when
2068 no-fpu because of our subreg SFmode splits.
2069 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2070 zero_extendqidi2_insn, zero_extendhidi2_insn,
2071 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2072 input_operand for second operand.
2073 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2074 reg_or_0_operand for operand 2 so new splits can use it.
2075 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2076 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2078 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2079 CONST_DOUBLEs for operand 2.
2080 (define_insn move_label_di): Likewise and label distance
2081 optimization because it no longer works with new deferred case
2082 vector scheme. To be revisited.
2083 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2084 and allow reg_or_0_operand and J constraint for second operand.
2085 (define_insn jump): Set branch predict taken on V9.
2086 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2087 new deferred case vector scheme.
2088 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2089 (define_insn negdi2_sp32): Force + implement splits.
2090 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2091 one_cmplsi2_not_liveg0 respectively, and create expander of original
2092 names which emit special rtl for TARGET_LIVE_G0.
2093 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2094 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2095 gen_compare_reg, FAIL instead.
2096 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2097 values when trying to reverse condition codes, if they FAIL then
2099 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2100 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2101 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2102 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2103 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2104 set output string to # to indicate they are mandatory splits.
2105 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2106 pic_sethi_di, move_pic_label_si): Remove.
2107 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2108 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2110 (define_expand movsi_pic_label_ref, define_insn
2111 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2112 expander and insns to handle PIC label references and deferred
2114 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2116 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2117 Rewrite to not use emit_move_sequence, make use of new constant
2118 formation code, and new splits for all multi-insn cases.
2119 (define_insn movqi_insn): Remove sethi case, it can never happen.
2120 Use reg_or_zero_operand instead of const0_rtx explicit test,
2121 use input_operand instead of move_operand for source, and use
2122 general_operand now for dest.
2123 (define_insn movhi_insn): Similar but leave sethi case.
2124 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2125 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2126 movhi_lo_sum respectively, prettify output string.
2127 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2128 register when needed on TARGET_LIVE_G0.
2129 (define_insn movsi_insn): Use general_operand and input_operand
2130 for dest and src respectively. Simplify applicability test.
2131 Prettify output strings, and add clr alternative for J
2133 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2134 deprecated std and reg-reg DI moves): Remove and...
2135 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2136 implementation which uses forced splits for all non-single insn
2138 (define_split DI move cases on !arch64): New splits to handle all
2139 situations of 64-bit double register DImode on 32bit, and
2140 unaligned registers and memory addresses for all subtargets.
2141 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2143 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2144 input_operand for dest and src respectively, prettify output
2146 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2147 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2149 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2150 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2151 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2152 movtf_no_e_insn_sp64) Replace with new
2153 implementation which uses forced splits for all non-single insn
2155 (define_split DF move cases): New splits in similar vein to DI
2157 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2158 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2159 movdi_sp64_insn): Remove old v9 code model and constant loading
2161 (define_insn pic_lo_sum_di, pic_sethi_di,
2162 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2163 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2164 embmedany_sethi, embmedany_losum, embmedany_brsum,
2165 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2166 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2167 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2168 scheme, using unspecs, secondary reloads, and one to one sparc
2169 insn to rtl insn mapping for better scheduling and code gen.
2170 (define_expand reload_indi, reload_outdi): Reload helpers for
2171 MEDANY and EMBMEDANY symbol address loading cases which require a
2173 (define_expand movsicc): Remove v8plus_regcmp cases.
2174 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2175 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2176 cmp_diqi_trunc_set): New patterns used by some of the new scc
2178 (define_insn xordi3_sp64_dbl): New pattern used for constant
2179 formation when crossing from 32-bit targets.
2180 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2182 (define_insn addx, subx): Make visible and prettify.
2183 (define_insn adddi3_insn_sp32): Likewise and force split.
2184 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2185 64bit scc split usage.
2186 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2187 zero_extend, subdi3): Force and implement splits.
2189 * final.c (final_scan_insn): Don't output labels if target
2190 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2193 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2194 don't forget to walk inside SEQUENCESs too as these are what the
2195 delay slot scheduler will create.
2197 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2199 * alpha.md (extxl+1,+2): New patterns to work around
2202 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2204 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2205 caused bad assembly code to be generated.
2207 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2209 * netbsd.h: Fix typo.
2211 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2213 * config.sub: Fix typo.
2215 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2217 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2219 (Running Protoize): Typo: Change "ther" into "other".
2221 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2223 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2224 * m68k/netbsd.h: Likewise.
2225 * ns32k/netbsd.h: Likewise.
2226 * sparc/netbsd.h: Likewise.
2228 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2230 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2231 * ginclude/va-clipper.h (va_list): Likewise.
2233 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2235 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2236 load/store multiple instructions unless user overrides.
2238 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2240 * ns32k/netbsd.h: Fix typo.
2242 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2244 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2245 labels with .debugsym if no parallel insns.
2247 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2249 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2250 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2252 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2254 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2255 (AR_FOR_TARGET): Define.
2257 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2259 * dyn-string.h: New file.
2260 * dyn-string.c: Likewise.
2261 * Makefile.in (OBJS): Add dyn-string.o.
2262 (dwarf2out.o): Add dyn-string.h dependency.
2263 (dyn-string.o): List dependencies.
2264 * dwarf2out.c: Include dyn-string.h.
2265 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2266 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2267 prototype. Use dyn_string_append rather than strcat, throughout.
2268 (addr_to_string): Use dyn_string_t.
2270 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2272 Function entry/exit profiling instrumentation:
2273 * expr.h (profile_function_entry_libfunc,
2274 profile_function_exit_libfunc): Declare new variables.
2275 * optabs.c: Define them here.
2276 (init_optabs): Initialize them.
2277 * tree.h (struct tree_decl): New flag
2278 no_instrument_function_entry_exit.
2279 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2280 * c-decl.c (duplicate_decls): Merge it.
2281 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2282 (init_attributes): Use it for "no_instrument_function".
2283 (decl_attributes): Handle it, for functions that have not yet been
2284 compiled. Set decl flag.
2285 * flags.h (flag_instrument_function_entry_exit): Declare new
2287 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2288 (f_options): New option "instrument-functions".
2289 * function.h (struct function): New field instrument_entry_exit.
2290 * function.c (current_function_instrument_entry_exit): New
2292 (push_function_context_to, pop_function_context_from): Save and
2294 (expand_function_start): Set current_ variable, maybe emit return
2295 label and entry profile call.
2296 (expand_function_end): Maybe emit exit profile call.
2298 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2300 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2301 NON_QI_REG_P, pretend the register is SImode.
2303 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2305 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2306 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2307 manufacturer id for ns32k.
2308 * configure: Regenerated.
2309 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2310 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2311 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2312 * config/m68k/netbsd.h: Same.
2313 * config/ns32k/netbsd.h: Same.
2314 * config/sparc/netbsd.h: Same.
2316 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2318 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2319 or UNROLL_COMPLETELY loop that starts with a jump to its
2322 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2324 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2325 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2326 (print_operand, case 'B'): Don't fall through.
2327 (print_operand, case 'S'): Correct mask begin/end computation.
2328 Use HOST_BITS_PER_WIDE_INT.
2329 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2330 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2331 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2332 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2334 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2336 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2337 constraint from second alternative.
2339 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2341 * configure.in: Fix --without/--disable cases for local-prefix,
2342 gxx-include-dir and checking.
2344 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2346 * configure.in (enable_haifa): Set by default for sparc64 too.
2349 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2351 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2352 * i386/winnt.c (associated_type): New fn.
2353 (i386_pe_valid_type_attribute_p): New fn.
2354 (i386_pe_check_vtable_importexport): Remove.
2355 (i386_pe_dllexport_p): Use associated_type.
2356 (i386_pe_dllimport_p): Likewise.
2358 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2359 * i386.c (i386_valid_type_attribute_p): Also accept
2360 attributes for METHOD_TYPEs.
2362 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2364 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2366 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2368 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2370 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2371 them from generating a new base name for each occurence of
2374 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2376 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2378 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2382 * cplus-dem.c (type_kind_t): New type.
2383 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2384 on this paramter, rather than demangling the type again.
2385 (demangle_integral_value): Pass tk_integral.
2386 (demangle_template_: Pass the value returned from do_type.
2387 (do_type): Return a type_kind_t. Pass tk_integral to
2388 demangle_template_value_parm for array bounds.
2389 (demangle_fund_type): Likewise.
2391 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2393 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2396 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2398 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2400 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2402 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2404 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2407 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2409 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2410 (DEBUGGER_ARG_OFFSET): Likewise.
2412 * mn10300.md (movsf): Remove last change. Not needed.
2414 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2416 * c-lex.c (yylex): Fix boundary conditions in character literal and
2417 string literal loops.
2419 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2421 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2422 being invoked incorrectly.
2424 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2425 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2427 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2428 * configure.in: Added i[34567]86-*-win32
2429 * config.sub: Ditto.
2430 * configure: Rebuilt.
2432 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2434 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2435 the frame pointer and compiling PIC code and reload has not completed.
2437 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2440 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2442 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2444 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2446 * Makefile.in (install-info): Only try to update the info
2447 directory file if it exists in the first place.
2449 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2451 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2453 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2455 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2456 CONST_DOUBLE source.
2458 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2460 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2461 strings as the insertion of USER_LABEL_PREFIX.
2462 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2464 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2467 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2469 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2470 already defined type.
2472 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2474 * expr.c (check_max_integer_computation_mode): Allow conversions
2475 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2476 (expand_expr): Likewise.
2478 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2480 * expr.c (expand_expr): Expand RETURN_EXPR.
2482 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2484 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2486 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2488 * dwarf2out.c (output_aranges): Call stripattributes
2489 for TEXT_SECTION references.
2490 (output_line_info): Likewise.
2492 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2494 * profile.c (branch_prob): Call allocate_reg_info after outputting
2495 profile rtl in instrument_arcs.
2497 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2499 * fixinc.irix (math.h): Install wrapper instead of copying.
2501 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2503 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2504 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2505 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2506 lang_flag_0. Added documentation in the flag table.
2508 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2510 * cccp.c (do_include): Fix vax c style include handling.
2512 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2514 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2516 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2518 * fold-const.c (non_lvalue): Don't deal with null pointer
2520 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2522 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
2524 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
2525 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
2526 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
2527 (u_short_cint_operand): Same.
2528 (reg_or_cint_operand): Same.
2529 (logical_operand): Same.
2530 (input_operand): Same.
2531 (reg_or_short_operand): Use u_short_cint_operand.
2533 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
2535 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
2536 but keep the insns and splits. Adjust so when the ultimate destination
2537 is memory, use cvtql.
2539 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
2541 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
2543 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
2545 * gcc.c (do_spec): Call "error" not "warning".
2547 * configure.in: Fix minor problems with gas feature detection code.
2548 * configure: Rebuilt.
2550 * gcc.c (do_spec): Issue a warning for '%[]' usage.
2553 * gcc.c: Delete %[spec] support.
2554 (do_spec_1, case '('): Likewise.
2555 (do_spec_1, case '['): Call error.
2557 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
2559 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
2560 (CPP_SUBTARGET_SPEC): Default to empty string.
2561 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
2562 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
2563 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
2564 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
2566 * alpha/linux.h (CPP_PREDEFINES): Tidy.
2567 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
2568 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
2569 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
2570 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
2571 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
2572 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
2573 * alpha/vxworks.h: Likewise.
2575 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
2577 * mips.md (reload_outsi): Added missing REGNO call.
2578 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
2580 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
2581 another match_operator and compare the codes.
2583 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
2585 * MIPS multiply pattern fixes:
2586 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2587 Add union classes for HI, LO, or HILO plus general registers.
2588 (GENERATE_MADD): Deleted.
2589 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
2590 Add TARGET_MAD to condition.
2591 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
2592 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
2593 "*d" for accumulator, to give preference to LO initially but not
2596 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
2598 * configure.in (enable_c_mbchar): New configure option.
2599 (extra_cpp_objs): Always available now.
2601 * cexp.y (mbchar.h): #include it.
2602 (yylex): Handle Multibyte characters in character literals.
2604 * cccp.c (mbchar.h): #include it.
2605 (main): Set character set based on LANG environment variable.
2606 (rescan): Handle multibyte characters in comments.
2607 (skip_if_group): See above.
2608 (validate_else): See above.
2609 (skip_to_end_of_comment): See above.
2610 (macarg1): See above.
2611 (discard_comments): See above.
2612 (rescan): Handle multibyte characters in string and character literals.
2613 (collect_expansion): See above.
2614 (skip_quoted_string): See above.
2615 (macroexpand): See above.
2616 (macarg1): See above.
2617 (discard_comments): See above.
2618 (change_newlines): See above.
2620 * c-lex.c (mbchar.h): #include it.
2621 (GET_ENVIRONMENT): New macro.
2622 (init_lex): Set character set based on LANG environment variable.
2623 (yylex): Handle multibyte characters in character literals.
2624 (yylex): Handle multibyte characters in string literals.
2626 * Makefile.in (mbchar.o): New target.
2627 (cccp$(exeext)): @extra_cpp_objs@ is always available.
2628 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
2630 * mbchar.[ch]: New files for multibyte character handling.
2632 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2634 * jump.c (jump_optimize): When simplifying noop moves and
2635 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
2636 the PUSHes to rewrite in second loop as we did in the first.
2638 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2640 * cplus-dem.c (demangle_nested_args): Make function definition
2641 static to match the prototype.
2643 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
2645 * alloca.c: Respect USE_C_ALLOCA.
2646 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
2647 * gengenrtl.c (xmalloc): Likewise.
2649 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
2651 * loop.h (struct induction): Add no_const_addval.
2652 * loop.c (the_movables, reg_address_cost): New variables.
2653 (init_loop): Init reg_address_cost.
2654 (loop_optimize): Call end_alias_analysis.
2655 (scan_loop): Init the_movables.
2656 (record_giv): Init induction->no_const_addval.
2657 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
2658 [REG]: Rearrange loop search test to catch more cases.
2659 (general_induction_var): Return success not benefit; take an extra
2660 argument for that. Change all callers.
2661 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2662 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2663 [default]: Search the_movables for additional combinations.
2664 (sge_plus_constant, sge_plus): New functions.
2665 (express_from_1): New function.
2666 (express_from): Always define. Rewrite using express_from_1.
2667 (combine_givs_p): Handle more cases. Ignore address cost.
2668 (cmp_combine_givs_stats): New function.
2669 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2670 (combine_givs): Rewrite to do best-fit combination.
2672 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2673 (fold): Do a complete (A*C)+(B*C) association check.
2675 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2677 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2679 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2681 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2683 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2685 * tree.c (valid_machine_attribute): Only create a new type variant if
2686 there is a decl to use it.
2688 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2690 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2693 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2695 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2698 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2700 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2701 Simplify tests for clearing an address register.
2702 (expand_prologue): Corresponding changes.
2704 * mn10300.md (movXX patterns): Make sure the destination is an
2705 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2706 (logical patterns): Split into expanders + patterns
2707 (zero and sign extension patterns): Similarly.
2708 (shift patterns): Similarly.
2710 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2712 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2713 for the sequence, recording base values.
2715 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2717 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2719 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2721 * gcc.c: Remove ANSI-C ism from --help code.
2723 * toplev.c: Support --help with USE_CPPLIB.
2725 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2727 * configure.in: Rework gas feature code to work with symlink based
2730 * extend.texi: Clarify some issues related to local variables
2731 assigned to explicit registers.
2733 * mn10300.md (mulsi): Turn into expander + pattern.
2735 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2738 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2740 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2742 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2744 * version.c: Bump again to distinguish mainline tree from the
2747 See ChangeLog.0 for earlier changes.
2750 add-log-time-format: current-time-string