1 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3 * m68k/m68k.c: Don't include <stdlib.h> directly.
5 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
7 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
8 mem_first_set, mem_last_set; because 0 can be a CUID.
9 (oprs_unchanged_p): Use new definition.
10 (record_last_reg_set_info): Likewise.
11 (record_last_mem_set_info): Likewise.
12 (compute_hash_table): Likewise.
14 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
16 * rs6000.c (output_epilogue): Handle Chill.
18 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
19 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
21 * combine.c (make_extraction): If no mode is specified for
22 an operand of insv, extv, or extzv, default it to word_mode.
23 (simplify_comparison): Similarly.
24 * expmed.c (store_bit_field): Similarly.
25 (extract_bit_field): Similarly.
26 * function.c (fixup_var_regs_1): Similarly.
27 * recog.c (validate_replace_rtx_1): Similarly.
28 * mips.md (extv, extzv, insv expanders): Default modes for most
29 operands. Handle TARGET_64BIT.
30 (movdi_uld, movdi_usd): New patterns.
32 * pa.c (emit_move_sequence): Do not replace a pseudo with its
33 equivalent memory location unless we have been provided a scratch
34 register. Similarly do not call find_replacement unless a
35 scratch register has been provided.
37 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
39 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
42 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
44 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
45 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
46 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
47 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
48 * c-decl.c (init_decl_processing): Update accordingly.
49 * expr.c (expand_builtin): Likewise.
51 * rtl.h (global_rtl): Add cfa entry.
52 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
53 (LAST_VIRTUAL_REGISTER): Update.
54 * emit-rtl.c (global_rtl): Add cfa entry.
55 (init_emit): Initialize it.
56 * function.c (cfa_offset): New.
57 (instantiate_virtual_regs): Initialize it.
58 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
59 (expand_function_end): Call expand_eh_return.
60 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
62 * except.c (current_function_eh_stub_label): Kill.
63 (current_function_eh_old_stub_label): Likwise; update all references.
64 (expand_builtin_set_return_addr_reg): Kill.
65 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
66 (expand_builtin_set_eh_regs): Kill.
67 (eh_regs): Produce a third reg for the actual handler address.
68 (eh_return_context, eh_return_stack_adjust): New.
69 (eh_return_handler, eh_return_stub_label): New.
70 (init_eh_for_function): Initialize them.
71 (expand_builtin_eh_return, expand_eh_return): New.
72 * except.h: Update prototypes.
73 * flow.c (find_basic_blocks_1): Update references to the stub label.
74 * function.h (struct function): Kill stub label elements.
76 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
77 register number is one that would be in the previous window.
78 Provide a dummy definition for non-windowed targets.
79 (get_reg_addr): New function.
80 (get_reg, put_reg, copy_reg): Use it.
81 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
82 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
84 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
85 (alpha_init_expanders): Initialize it.
86 (alpha_expand_epilogue): Use it.
87 * alpha.h: Declare it.
88 * alpha.md (eh_epilogue): New.
90 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
91 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
93 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
95 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
98 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
100 * except.h (struct eh_entry): Add false_label field.
101 (end_catch_handler): Add prototype.
102 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
103 (start_catch_handler): When using old style exceptions, issue
104 runtime typematch code before continuing with the handler.
105 (end_catch_handler): New function, generates label after handler
106 if needed by older style exceptions.
107 (expand_start_all_catch): No need to check for new style exceptions.
108 (output_exception_table_entry): Only output the first handler label
109 for old style exceptions.
110 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
111 mechanism into one function, if a runtime matcher is provided.
113 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
115 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
117 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
119 * integrate.c (copy_decl_list): Fix typo.
121 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
123 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
126 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
128 * version.c: Bump for snapshot.
130 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
132 * version.c: Bump for snapshot.
134 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
136 * version.c: Bump for snapshot.
138 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
140 * invoke.texi (C Dialect Options): Put back missing @end itemize.
142 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
144 * configure.in: remove usage of `!' to negate the result of a
145 command; some common shells do not support it
147 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
149 * configure.in: in sparc9-sol2 config, use 'if test' not
151 * configure: Rebuilt.
153 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
155 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
156 (CPP_CPU_DEFAULT_SPEC): Likewise.
157 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
160 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
163 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
165 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
167 * collect2.c: Don't declare `sys_siglist' here.
168 (my_strsignal): Prototype and define new function. Use it in
169 place of `sys_siglist' hacks.
171 * mips_tfile.c: Likewise.
173 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
174 (GCC_NEED_DECLARATIONS): Likewise.
176 * system.h (strsignal): Prototype it, if necessary.
177 (sys_siglist): Declare it, if necessary.
179 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
181 * loop.c (move_movables): While removing insn sequences, preserve
182 the next pointer of the most recently deleted insn when we skip
185 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
187 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
188 supported with -mcpu=xxx.
190 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
192 * flow.c (mark_set_1): Recognize multi-register structure return
193 values in CALL insns.
194 (mark_used_regs): Likewise.
195 (count_reg_sets_1): Likewise.
196 (count_reg_references): Likewise.
197 * rtlanal.c (note_stores): Likewise.
198 (reg_overlap_mentioned_p): Likewise.
199 * haifa-sched.c (check_live_1): Likewise.
200 (update_live_1): Likewise.
201 (sched_analyze_1): Likewise.
202 (sched_note_set): Likewise.
203 (birthing_insn_p): Likewise.
204 (attach_deaths): Likewise.
206 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
209 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
211 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
213 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
215 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
217 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
219 * configure.in: Add check for GAS subsection -1 support.
220 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
221 * configure config.in: Rebuilt.
222 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
223 SImode is subsection -1 works, else use DImode.
224 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
226 * config/sparc/sparc.c (sparc_output_addr_vec,
227 sparc_output_addr_diff_vec): Use them if defined.
229 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
231 * tree.h (DECL_ORIGIN): New macro.
232 * integrate.c (copy_and_set_decl_abstract_origin): New function.
233 (copy_decl_list): Use it.
234 (integrate_parm_decls): Likewise.
235 (integrate_decl_tree): Likewise.
236 * dwarf2out.c (decl_ultimate_origin): Simplify.
237 * dwarfout.c (decl_ultimate_origin): Likewise.
238 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
239 (pushdecl): Likewise.
241 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
243 * config/rs6000/rs6000.c (output_epilog): Add Java support.
245 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
247 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
249 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
251 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
252 empty or has a single entry.
254 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
255 before calling reg_to_stack.
257 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
259 * alpha.c (alphaev5_insn_pipe): Abort on default case.
260 (alphaev5_next_group): Swallow CLOBBERs and USEs.
262 * c-tree.h (warn_long_long): Declare it.
264 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
266 * emit-rtl.c (gen_lowpart_common): Disable optimization of
267 initialized float-int union if the value is a NaN.
269 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
271 * c-lex.c (real_yylex): Don't warn about long long constants if
272 we're allowing long long
274 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
276 * except.h (current_function_eh_stub_label): Declare.
277 (current_function_eh_old_stub_label): Declare.
278 * function.h (struct function): New members eh_stub_label and
280 * except.c (current_function_eh_stub_label): New variable.
281 (current_function_eh_old_stub_label): New variable.
282 (init_eh_for_function): Clear them.
283 (save_eh_status): Save them.
284 (restore_eh_status): Restore them.
285 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
286 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
287 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
288 make an edge from the block that contains it to the block starting
289 with the label if this label is one of the eh stub labels.
290 If eh stub labels exist, show they are reachable from the last block
293 * reload1.c (reload): Break out several subroutines and make some
295 (calculate_needs_all_insns): New function, broken out of reload.
296 (calculate_needs): Likewise.
297 (find_reload_regs): Likewise.
298 (find_group): Likewise.
299 (find_tworeg_group): Likewise.
300 (something_needs_reloads): New global variable, formerly in reload.
301 (something_needs_elimination): Likewise.
302 (caller_save_spill_class): Likewise.
303 (caller_save_group_size): Likewise.
304 (max_needs): Likewise.
305 (group_size): Likewise.
306 (max_groups): Likewise.
307 (max_nongroups): Likewise.
308 (group_mode): Likewise.
309 (max_needs_insn): Likewise.
310 (max_groups_insn): Likewise.
311 (max_nongroups_insn): Likewise.
314 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
316 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
318 * loop.c (load_mems): Copy rtx for output mem.
320 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
322 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
323 mips1 or mips2 either.
325 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
327 * pa.c (pa_reorg): New marking scheme for jumps inside switch
329 (pa_adjust_insn_length): Update to work with new marking scheme
330 for jumps inside switch tables.
331 * pa.md (switch_jump): Remove pattern.
332 (jump): Handle jumps inside jump tables.
334 * Makefile.in (profile.o): Depend on insn-config.h
336 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
338 * iris6.h (DWARF2_UNWIND_INFO): Undef.
340 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
342 Add preliminary native sparcv9 Solaris support.
343 * configure.in: Recognize sparv9-*-solaris2*
345 * config.sub: Recognize sparcv9 just like sparc64.
346 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
347 config/sparc/sol2-cn.asm: Macroize so it can be shared between
348 32-bit and 64-bit Solaris systems.
349 * config/sparc/t-sol2: Assemble those with cpp.
350 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
351 (*TF*_LIBCALL): If ARCH64 use V9 names.
352 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
354 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
356 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
357 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
359 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
361 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
362 to Pmode if CASE_VECTOR_MODE is something else.
364 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
366 * prefix.c (update_path): Correctly handle cases where PATH is
367 a substring of the builtin prefix, but specifies a different
370 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
372 * expr.c: Corrected comment about what MOVE_RATIO does.
373 * config/alpha/alpha.h: Ditto.
374 * config/1750a/1750a.h: Ditto.
375 * config/clipper/clipper.h: Ditto.
376 * config/i386/i386.h: Ditto.
378 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
380 * configure.in (m68k-next-nextstep3*): Use collect2.
381 Similarly for x86 NeXT configurations.
382 * configure: Rebuilt.
384 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
386 * configure.in: Don't assume srcdir is .../gcc
387 * configure: Rebuilt.
389 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
391 * global.c: Update comments.
392 (global_alloc): Assign allocation-numbers
393 even for registers allocated by local_alloc in case
394 they are later spilled and retry_global_alloc is called.
395 (mark_reg_store, mark_reg_clobber,
396 mark_reg_conflicts, mark_reg_death): Always record a
397 conflict with a pseudo register even if it has been
398 assigned to a hard register.
399 (dump_conflicts): Don't list pseudo registers already assigned to
400 a hard register as needing to be allocated, but do list their
402 * local-alloc.c: Update comment.
404 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
406 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
407 * configure: Rebuilt.
409 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
411 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
413 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
414 for all targets that set -msoft-float.
416 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
418 * toplev.c (print_switch_values): Make static to match prototype.
420 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
422 * configure.in: If we are unable to find the "gnatbind" program,
423 then do not configure the ada subdir.
424 * configure: Rebuilt.
426 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
428 * version.c: Bump for snapshot.
430 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
432 * version.c: Bump for snapshot.
434 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
436 * Makefile.in (toplev.o): Depend on $(EXPR_H).
437 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
439 * gansidecl.h: Define ATTRIBUTE_NORETURN.
441 * genattrtab.c: Have insn-attrtab.c include toplev.h.
443 * genextract.c: Have insn-extract.c include toplev.h.
445 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
447 * toplev.c: Include expr.h.
448 (really_sorry, fancy_abort): Remove prototypes.
449 (set_target_switch): Add argument in prototype.
450 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
451 (v_really_sorry): Likewise.
452 (print_version, print_single_switch, print_switch_values): Make
453 static and add prototype arguments.
454 (decl_printable_name): Add prototype arguments.
455 (lang_expand_expr_t): New typedef.
456 (lang_expand_expr): Declare as a lang_expand_expr_t.
457 (incomplete_decl_finalize_hook): Add prototype argument.
458 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
459 (botch): Likewise for variable `s'.
460 (rest_of_type_compilation): Mark variables `type' and `toplev'
461 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
462 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
463 (display_help): Make variable `i' an `unsigned long'.
464 (main): Remove unused parameter `envp'.
465 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
466 Cast -1 when comparing it with a `size_t'.
468 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
469 prototype with ATTRIBUTE_NORETURN.
470 (fatal_insn_not_found, fatal_insn, really_sorry,
471 push_float_handler, pop_float_handler): Add prototypes.
472 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
473 (do_abort, botch): Add prototypes.
475 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
477 * final.c (final): If a label is reached only from a single jump,
478 call NOTICE_UPDATE_CC on the jump and its predecessor before
479 emitting the insn after the label.
481 * i386.h: Add AMD K6 support.
482 Change TARGET_* macros to use table lookup.
483 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
484 (ADJUST_COST): Change definition to call function in i386.c.
485 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
486 * i386.c: Add AMD K6 support.
487 Add constants for feature tests used by TARGET_* macros.
488 (split_di): If before reload, call gen_lowpart and gen_highpart.
489 (x86_adjust_cost): New function.
490 (put_jump_code): New function.
491 (print_operand): New codes 'D' and 'd'.
492 * i386.md: New insn types. New insn attribute "memory".
493 Redefine scheduling parameters to use new types and add AMD K6
494 support. Explicitly set type of most insns.
495 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
496 Pro and K6 prefer movl $1,reg to incl reg.
497 (adddi3, subdi3): Set cc_status.
498 (DImode shift patterns): Change label counters from HOST_WIDE_INT
499 to int; x86 can't have more than 2^31 DImode shifts per file.
500 (setcc): Combine all setcc patterns. Allow writing memory.
501 Combine all jump patterns using match_operator.
502 (*bzero): Name pattern. Emit mutliple stos instructions when that
503 is faster than rep stos.
504 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
507 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
509 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
512 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
514 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
515 not whatever we're generating now.
517 * alpha.c (set_frame_related_p, FRP): New.
518 (alpha_expand_prologue): Mark frame related insns.
519 (alpha_expand_epilogue): Likewise, but with a null FRP.
520 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
521 * alpha.md (exception_receiver): New.
522 * alpha/crtbegin.asm (.eh_frame): New beginning.
523 (__do_frame_setup, __do_frame_takedown): New.
524 * alpha/crtend.asm (.eh_frame): New ending.
525 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
526 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
527 (ASM_FILE_START): Don't emit .file for dwarf2.
529 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
530 * rtl.c (reg_note_name): Likewise.
531 * rtl.texi (REG_NOTES): Likewise.
532 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
535 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
537 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
538 * i386.md (movsf, movdf, movxf): Validate memory address returned
539 from force_const_mem. Kill useless REG_EQUAL setting code.
541 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
543 * m68k.md (zero_extendsidi2): Fix typo.
545 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
547 * configure.in: Removed references to the removed file
548 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
549 * arm*-*-netbsd* and ns32k-*-netbsd*.
550 * config/i386/xm-netbsd.h: Removed unnecessary file.
551 * config/m68k/xm-netbsd.h: Likewise.
552 * config/sparc/xm-netbsd.h: Likewise.
553 * config/mips/xm-netbsd.h: Likewise.
555 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
557 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
558 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
560 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
561 for exact section attributions.
563 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
565 * i386/crtdll.h (CPP_PREDEFINES): Define.
567 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
569 * m68k.md (5200 movqi): Do not allow byte sized memory references
571 * m68k.c (output_move_qimode): Do not use byte sized operations on
574 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
575 explicit rules for building. Similarly for alloca, vfprintf,
576 choose-temp and mkstemp, getopt, getopt1, and obstack.
577 (INCLUDES): Add $(srcdir)/../include.
578 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
579 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
581 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
583 * gcc.c (do_spec_1): [case 'o'] Account for
584 lang_specific_extra_outfiles.
585 (main): Correctly clear all slots in outfiles for
586 lang_specific_extra_outfiles. Set input_file_number before
587 calling lang_specific_pre_link.
589 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
591 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
593 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
595 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
597 (sparc_output_deferred_case_vectors): If no work to do, return.
598 Fix thinko in Sept 1 change.
600 1998-09-03 SL Baur <steve@altair.xemacs.org>
602 * Makefile.in: add semicolon in BISON definition for portability.
604 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
606 * config/nextstep.c (handle_pragma): Correct name of third
609 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
611 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
612 * config/m32r/m32r.h: Make register 17 be fixed.
613 * config/m32r/m32r.c: Use SImode for cc operations.
615 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
617 * invoke.texi (Warning Options): Add -Wnon-template-friend
620 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
622 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
624 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
626 * rs6000.md (movsf): Disable explicit secondary-reload-like
627 functionality if TARGET_POWERPC64.
628 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
631 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
633 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
634 and term.h from fixinc.wrap.
636 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
638 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
639 safe to include both string.h and strings.h together.
640 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
641 which headers to search for function declarations. Continue to
642 prefer string.h over strings.h when both are not acceptable.
644 * acconfig.h (STRING_WITH_STRINGS): Add stub.
646 * configure.in: Call GCC_HEADER_STRING.
648 * system.h: Test STRING_WITH_STRINGS when deciding which headers
649 to include. Continue to prefer string.h over strings.h when both
652 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
654 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
655 not assume top 32-bits of symbolic addresses are zero if
658 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
660 * ginclude/va-alpha.h: Protect entire second portion of the
661 file against double inclusion.
663 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
665 Added support for the Boehm's garbage collector.
666 * configure.in: Handle --enable-objc-gc.
667 * configure: Rebuilt.
668 * Makefile.in (CHECK_TARGETS): Add check-objc.
669 (check-objc): New rule.
670 * objc/Make-lang.in: Build a different Objective-C library that
671 runs with the Boehm's collector.
672 * objc/encoding.c (objc_round_acc_size_for_types): New function.
673 * objc/encoding.c: Correctly compute the size of compound types in
674 the presence of bitfields. Skip the variable name of the type if
675 any. Added support for long long.
676 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
677 (_F_GCINVISIBLE): New mask.
678 * objc/gc.c: New file. Compute the type memory mask associated with
679 a class based on the runtime information.
680 * objc/misc.c: Added the hooks that use the Boehm's collector
681 allocation functions.
682 * objc/objc-act.c (build_class_template): Generate a new class
683 member (gc_object_type) to hold the class' type memory mask.
684 (build_shared_structure_initializer): Initialize the new member to
686 (encode_complete_bitfield): New function. Generate the new
688 (encode_field_decl): Generate the new encoding only for the GNU
690 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
692 (class_get_gc_object_type): New function to mark a pointer instance
693 variable as a weak pointer.
694 * objc/objc-features.texi: New file.
695 * objc/objc.h (gc_object_type): New class member.
696 * objc/objects.c (class_create_instance): Create a typed memory
697 object when compiled with Boehm's collector support.
698 * objc/sendmsg.c (__objc_init_install_dtable): Call
699 __objc_send_initialize instead of setting the initialize flag.
700 (__objc_send_initialize): Call __objc_generate_gc_type_description
701 to generate the class type memory mask. Rewrite the code that
702 sends the +initialize so that it is called only once (bug report
703 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
704 * testsuite/objc: New testsuite for Objective-C type encoding.
705 * testsuite/lib/objc-torture.exp: New file.
706 * testsuite/lib/objc.exp: New file.
708 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
710 * jump.c (jump_optimize): In if/then/else transformations, add
711 another call to modified_between_p for the jump insn.
713 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
715 * fix-header.c (symlink): Treat like readlink.
717 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
719 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
722 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
724 * config/nextstep.h: Update HANDLE_PRAGMA macro.
725 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
726 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
728 * config/nextstep.c (handle_pragma): Take three arguments, as per
729 the new HANDLE_PRAGMA macro specification.
730 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
731 per the new HANDLE_PRAGMA macro specification.
732 * config/i960/i960.c (process_pragma): Take three arguments, as
733 per the new HANDLE_PRAGMA macro specification.
735 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
737 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
738 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
739 if unknown pragmas are encountered.
740 (handle_sysv_pragma): Interpret return code from
741 handle_pragma_token (). Return success/failure indication rather
742 than next unprocessed character.
743 (pragma_getc): New function: retrieves characters from the
744 input stream. Defined when HANDLE_PRAGMA is enabled.
745 (pragma_ungetc): New function: replaces characters back into the
746 input stream. Defined when HANDLE_PRAGMA is enabled.
748 * c-pragma.c (handle_pragma_token): Return success/failure status
751 * c-pragma.h: Change prototype of handle_pragma_token().
753 * varasm.c: (handle_pragma_weak): Only create this function if
754 HANDLE_PRAGMA_WEAK is defined.
756 * c-common,c (decl_attributes): If defined call the expression
757 contained within the INSERT_ATTRIBUTES macro before adding
758 attributes to a decl.
760 * tm.texi (HANDLE_PRAGMA): Document the new verion of
761 HANDLE_PRAGMA, which takes three arguments.
762 (INSERT_ATTRIBUTES): Document this new macro.
764 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
765 new INSERT_ATTRIBUTES macro.
767 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
769 * config/sparc/sparc.md (movdf): Only generate special RTL for
771 (move_label_di): Remove
772 (movdi_pic_label_ref, movdi_high_pic_label_ref,
773 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
775 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
776 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
777 output an .xword for all 64-bit cases.
779 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
781 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
782 alignment, use FUNCTION_BOUNDARY instead.
783 (sparc_output_deferred_case_vectors): Likewise.
785 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
787 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
788 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
790 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
792 * alpha/va_list.h: New file.
793 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
795 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
797 * NEWS: Add SCO Openserver and Unixware 7 notes.
801 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
803 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
804 (record_constant_1): Handle RANGE_EXPR.
806 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
808 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
809 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
810 and NOTE_INSN_RANGE_END specially.
811 (reemit_notes): Likewise.
813 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
815 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
816 (ultrasparc_sched_init): Remove unneeded &.
818 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
820 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
821 for m68020-60, to prevent the use of fintrz.
823 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
825 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
827 * Makefile.in: Likewise.
828 * configure: Regenerated.
830 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
832 * configure.in (gxx_include_dir): Changed to
833 '${prefix}/include/g++'-${libstdcxx_interface}.
834 * configure: Rebuilt.
836 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
838 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
840 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
841 *sequences* *below* which scalar moves will be used.
843 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
845 * collect2.c (mktemp): Delete unused declaration.
847 * config/xm-netbsd.h: Remove unnecessary file.
848 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
849 file anymore, it is not needed.
851 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
853 * convert.c (convert_to_integer): Issue an error on conversions to
856 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
858 * Makefile.in: Add lang_tree_files and gencheck.h.
859 * configure.in: Generate them.
860 * gencheck.c: Include gencheck.h.
862 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
864 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
865 movdi_lo_sum_pic and movdi_high_pic and make visible.
866 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
867 emit these when Pmode is not SImode.
868 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
870 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
872 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
873 .linkonce directive after the first time.
875 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
877 * m68k.md (beq0_di): Generate correct (and more efficient) code when
878 the clobbered operand overlaps with an input.
879 (bne0_di): Similarly.
881 * Makefile.in (INSTALL): Remove "--no-header" argument.
883 * NEWS: Various updates.
885 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
887 * config/sparc/sparc.c (arith_operand, const64_operand,
888 const64_high_operand, arith_double_4096_operand): Mark mode as
890 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
892 (sparc_emit_set_const64): Remove unused variable i.
893 (sparc_splitdi_legitimate): Likewise for addr_part.
894 (ultra_code_from_mask): Likewise for mask.
895 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
896 reverse return values so it matches usage and comments.
897 (ultra_flush_pipeline): Likewise.
898 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
899 this_type, and allow loads and stores of differing FP modes as
900 they do not create a conflict.
901 (ultra_find_type): Initialize fpmode to SFmode, fix
902 parenthesization thinkos in large conditional.
903 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
904 Init free_slot_mask after ultra_cur_hist is reset, not before.
905 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
906 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
907 use ultra_flush_pipeline instead, then re-init group pointer.
908 Fix statement with no effect. If no progress made in, and no
909 instructions scheduled at all, advance to new pipeline cycle else
910 we get into an endless loop.
911 (ultrasparc_adjust_cost): Remove previous arg.
912 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
914 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
916 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
917 code. Use reg_overlap_mentioned_p to detect when source and
919 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
921 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
923 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
924 COMPARISON_VAL, into invariant_p.
926 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
928 * regmove.c (regclass_compatible_p): New function.
929 (regmove_optimize): Use it.
931 Use NREGS parameter insted of calling max_reg_num.
933 (fixup_match_1): Don't use code = MINUS when later tieing with
934 a hard register is likely.
936 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
938 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
939 COMPARISON_VAL was normalized.
941 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
943 * loop.c (check_dbra_loop): The loop ending comparison value
944 must be an invariant or we can not reverse the loop.
946 * loop.c (scan_loop): Count down from max_reg_num - 1 to
947 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
949 (load_mems_and_recount_loop_regs_set): Likewise.
951 * i386.c (print_operand): Remove obsolete 'c' docs.
953 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
955 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
956 * frame.c (init_object_mutex): New function.
957 (init_object_mutex_once): Likewise.
959 (__register_frame_info): Likewise.
960 (__register_frame_info_table): Likewise.
961 (__deregister_frame_info): Likewise.
963 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
965 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
967 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
969 * loop.c (check_dbra_loop): Enable code for reversal
970 of some loops without a known constant loop end.
972 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
974 * haifa-sched.c (last_clock_var): New.
975 (schedule_block): Initialize it.
976 (schedule_insn): Use it to fill insn modes with issue information.
978 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
979 Tag trapb and next insn with TImode.
980 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
981 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
982 Invoke alphaev5_align_insns as appropriate.
983 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
984 (MD_SCHED_VARIABLE_ISSUE): New.
985 * alpha.md (attr type): Add multi.
986 (define_asm_attributes): New.
987 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
988 (arg_home): Likewise.
989 (fnop, unop, realign): New.
991 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
993 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
994 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
996 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
997 (rs6000-ibm-aix4.[12]*): Likewise.
998 * configure: Regnerate.
1000 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1002 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1003 already contains the return address.
1005 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1007 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1008 word sized hunks when loading unaligned args into registers.
1010 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1011 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1013 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1015 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1017 * loop.c (check_dbra_loop): Add some code that would allow reversal
1018 of some loops without a known constant loop end if it were enabled.
1020 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1022 * mips.md (lshrsi3_internal2+2): Fix type-o.
1024 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1026 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1027 correctly with regards to stdio.h.
1029 * calls.c: Remove stdarg.h/varargs.h.
1032 * combine.c: Likewise.
1033 * cpperror.c: Likewise.
1034 * cpplib.c: Likewise.
1035 * cpplib.h: Likewise.
1036 * doprint.c: Likewise.
1037 * emit-rtl.c: Likewise.
1038 * final.c: Likewise.
1039 * fix-header.c: Likewise.
1041 * genattr.c: Likewise.
1042 * genattrtab.c: Likewise.
1043 * gencodes.c: Likewise.
1044 * genconfig.c: Likewise.
1045 * genemit.c: Likewise.
1046 * genextract.c: Likewise.
1047 * genflags.c: Likewise.
1048 * genopinit.c: Likewise.
1049 * genoutput.c: Likewise.
1050 * genpeep.c: Likewise.
1051 * genrecog.c: Likewise.
1052 * mips-tfile.c: Likewise.
1053 * prefix.c: Likewise.
1054 * protoize.c: Likewise.
1055 * regmove.c: Likewise.
1056 * toplev.c: Likewise.
1059 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1061 * config/sparc/sparc.c (sparc_override_options): If not
1062 TARGET_FPU, turn off TARGET_VIS.
1063 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1064 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1065 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1066 (movdi_insn_sp64): Add VIS fzero alternative.
1067 (clear_sf, clear_df): New VIS patterns.
1068 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1070 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1072 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1074 * loop.c (n_times_set, n_times_used, may_not_optimize,
1075 reg_single_usage): Convert to varrays. All uses changed.
1076 (insert_loop_mem): Return a value.
1077 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1078 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1081 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1084 * configure.in: Do not set thread_file to "irix" since no such
1087 * sparc.md (float abs/neg splits): Check reload_completed before
1088 calling alter_subreg.
1090 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1092 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1094 * config/sparc/sparc.h: Declare it.
1095 * config/sparc/sparc.md (float abs/neg splits): Use it.
1096 (all other splits): Handle SUBREGs properly where necessary.
1097 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1099 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1101 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1102 an insn on the unfilled_slots_list that has no delay slots.
1103 (fill_eager_delay_slots): Similarly.
1105 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1107 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1108 as an ordinary operand.
1110 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1112 * tree.c (valid_machine_attribute): Don't apply attributes to both
1115 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1117 * reload.c (operands_match_p): Handle rtvecs.
1119 * i386.c (legitimate_pic_address_disp_p): New.
1120 (legitimate_address_p): Use it.
1121 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1122 Handle constant pool symbols just like statics.
1123 (emit_pic_move): Use Pmode not SImode for clarity.
1124 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1125 [UNSPEC]: New, handling what we killed above.
1126 [PLUS]: Detect and abort on invalid symbol arithmetic.
1127 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1129 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1131 * alias.c: Include output.h.
1132 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1133 different if we're in a varargs function.
1134 * Makefile.in (alias.o): Depend on output.h
1136 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1138 * sh.h (GIV_SORT_CRITERION): Delete.
1140 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1142 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1143 * stupid.c (stupid_life_analysis): Ditto.
1144 * reload1.c (reload): Ditto.
1146 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1148 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1149 arith_double_4096_operand, arith_double_add_operand): New
1151 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1152 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1153 them to transform add/sub 4096 into add/sub -4096.
1155 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1157 * loop.c (scan_loop): Allocate some slop to handle pseudos
1158 generated by move_movables.
1159 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1162 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1164 * tree.def (DECL_RESULT): Correct documentation.
1166 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1168 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1169 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1170 conflicts will all RELOAD_FOR_OUTPUT reloads.
1172 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1173 loads the function result, substitute with a USE.
1175 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1177 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1178 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1179 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1180 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1181 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1182 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1184 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1185 'o' to 'm' for GPR variant constraints.
1187 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1189 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1191 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1193 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1194 when the source and destination overlap.
1196 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1197 clash with global type.
1199 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1201 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1203 * c-common.c (combine_strings): Also set TREE_READONLY.
1204 Change warn_write_strings to flag_const_strings.
1205 * c-decl.c, c-tree.h: Likewise.
1207 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1209 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1210 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1211 sequence, use SET/IOR instead so CSE can see it.
1212 * config/sparc/sparc.md (movhi_const64_special,
1213 movsi_const64_special): New patterns necessitated by that change.
1214 (movhi_high): Remove.
1215 (movhi_lo_sum): Change to match an IOR.
1216 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1217 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1218 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1219 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1220 registers are involved.
1221 (snesi_zero_extend split): Remove reload_completed test.
1222 (unnamed plus and minus zero_extend sidi splits): Add it.
1224 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1226 * extend.texi: Remove description of extension to explicit
1227 instantiation that is now endorsed by standard C++.
1229 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1231 * config/arc/arc.c (arc_initialize_pic): Remove.
1232 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1233 nothing on any platform and is invoked by no-one, it does not even
1234 appear in the documentation.
1235 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1236 * config/sparc/sparc.c (initialize_pic): Likewise.
1237 (find_addr_reg): Remove this as well, no longer referenced after
1240 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1242 * recog.c (validate_replace_rtx_group): New function.
1243 * recog.h (validate_replace_rtx_group): Declare it.
1244 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1245 the entire group of substitutions.
1247 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1249 * loop.c (load_mems): Fix initializers.
1251 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1253 * config/sparc/sparc.md (TFmode splits): Handle destination
1254 registers being referenced in the address correctly.
1256 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1257 TREE_UNSIGNED, when bitsize of type's mode is larger than
1258 HOST_BITS_PER_WIDE_INT.
1260 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1262 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1263 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1264 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1266 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1269 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1271 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1272 * h8300.h (TINY_DATA_NAME_P): Likewise.
1273 (STRIP_NAME_ENCODING): Handle '&'.
1275 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1276 register (it could be accessed via an outer SUBREG).
1277 (REG_OK_FOR_BASE_P): Likewwise.
1278 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1280 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1283 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1285 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1287 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1288 must be offsettable so the splits can be made.
1290 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1292 * config/i386/winnt.c: Include system.h, not stdio.h to get
1293 sys/param.h pulled in before rtl.h in case the system defines MIN
1296 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1298 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1300 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1302 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1304 * cpplib.c (cpp_define): Handle macros with parameters.
1306 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1308 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1309 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1310 and DImode 64-bit. Use llong for minimal-toc SFmode and
1311 SYMBOL_REF / LABEL_REF 64-bit.
1312 (output_function_profiler): Use llong for profiler label and ld to
1313 load 64-bit label address.
1315 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1317 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1320 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1322 * version.c: Bump for snapshot.
1324 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1326 * version.c: Bump for snapshot.
1328 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1330 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1332 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1334 * tm.texi (Misc): Fix typo "teh".
1336 * tm.texi (PIC): Fix typo "PPIC".
1338 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1339 effect when -O2 and higher.
1340 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1342 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1344 * regclass.c: Changed register set documentation to be consistent
1347 * final.c (final_start_function) Removed redundant test for
1350 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1352 * rtl.h (rtx_function): New type.
1353 (for_each_rtx): New function.
1354 * rtlanal.c (for_each_rtx): Define it.
1356 * recog.c (change_t): New type.
1357 (change_objects, change_old_codes, change_locs, change_olds):
1359 (changes): New variable.
1360 (validate_change): Dynamically allocate room for more changes, if
1361 necessary. Uses changes array instead of change_objects, etc.
1362 (apply_change_group): Use changes array instead of
1363 change_objects, etc.
1365 * loop.c (loop_mem_info): New type.
1366 (loop_mems): New variable.
1367 (loop_mems_idx): Likewise.
1368 (looop_mems_allocated): Likewise.
1369 (scan_loop): Remove nregs parameter.
1370 (next_insn_in_loop): New function.
1371 (load_mems_and_recount_loop_regs_set): Likewise.
1372 (load_mems): Likewise.
1373 (insert_loop_mem): Likewise.
1374 (replace_loop_mem): Likewise.
1375 (replace_label): Likewise.
1376 (INSN_IN_RANGE_P): New macro.
1377 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1378 (scan_loop): Remove nregs parameter, compute it after any new
1379 registers are created by load_mems. Use INSN_IN_RANGE_P and
1380 next_insn_in_loop rather than expanding them inline. Call
1381 load_mems to load memory into pseudos, if appropriate.
1382 (prescan_loop): Figure out whether or not there are jumps from the
1383 loop to targets other than the label immediately following the
1384 loop. Call insert_loop_mem to notice all the MEMs used in the
1385 loop, if it could be safe to pull MEMs into REGs for the duration
1387 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1389 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1391 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1393 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1395 * config/sparc/sparc.c (finalize_pic): Check for the correct
1396 nonlocal_goto_receiver UNSPEC number.
1397 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1398 making note of this dependency existing in sparc.c
1399 (negtf2_notv9 split): Give NEG SFmode.
1400 (negsf2): Fix insn output string.
1402 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1404 * c-common.c (decl_attributes): Issue an error if the argument
1405 to alias is not a string.
1407 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1409 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1410 pending memory flush list.
1412 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1414 (try_combine): Allow combining insns with REG_LIBCALL notes.
1416 * expr.c (emit_block_move): Do not call memcpy as a libcall
1417 instead build up a CALL_EXPR and call it like any other
1419 (clear_storage): Similarly for memset.
1421 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1424 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1427 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1428 and REG_LIVE_LENGTH as successful substitutions are made.
1430 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1432 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1433 statement after end of loop label.
1435 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1437 * config/sparc/sparc.c (ultra_types_avail): New variable.
1438 (ultra_build_types_avail): New function to record mask of insn
1439 types in ready list at this cycle.
1440 (ultrasparc_sched_reorder): Call it.
1441 (ultra_find_type): Use it to quicken the search. Also simplif
1442 dependency check, don't use rtx_equal_p because we know exactly
1443 what we are looking for.
1445 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1447 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1448 for architecture v4.
1450 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1452 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1454 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1455 movdf_const_intreg and helper splits): New patterns to move float
1456 constants into integer registers.
1457 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1460 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1463 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1465 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1467 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1468 a BASE_REGS register is needed as an intermediate when copying
1469 a symbolic value into any register class other than BASE_REGS.
1471 * expr.c (move_by_pieces): No longer static. Remove prototype.
1472 * rtl.h (move_by_pieces): Add extern prototype.
1473 * mips.c (expand_block_move): Handle aligned straight line copy by
1474 calling move_by_pieces.
1476 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
1479 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
1481 * stmt.c (expand_end_loop): Tidy. Allow unconditional
1482 jumps out of the loop to be treated as part of the exit test.
1484 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1485 Jeff Law <law@cygnus.com>
1487 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
1488 * cplus-dem.c: Delete.
1490 * Makefile.in (fold-const.o): depend on $(RTL_H).
1492 * fold-const.c: Include rtl.h to get the prototype for
1493 `set_identifier_local_value'.
1495 * loop.c (express_from_1): Remove unused variable `tmp'.
1496 (combine_givs): cast the first argument of bzero to char *.
1498 * toplev.c (display_help): Remove unused variable `looking_for_start'.
1500 * c-decl.c (init_decl_processing): Remove unneeded &.
1502 * alpha.h (alpha_initialize_trampoline): Provide prototype.
1504 * except.c (set_exception_lang_code, set_exception_version_code):
1505 Change parameter from `short' to `int' to avoid using a gcc
1508 * except.h (set_exception_lang_code, set_exception_version_code):
1509 Likewise for prototypes.
1511 * flow.c (count_reg_references): Remove unused variables `regno'
1514 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
1516 * prefix.c (translate_name): Cast the result of `alloca'.
1518 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
1520 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1522 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
1524 (valid_dbcc_comparison_p): Mark mode argument as unused.
1525 (symbolic_operand): Likewise.
1526 (legitimize_pic_address): Likewise.
1527 (const_uint32_operand): Likewise.
1528 (const_sint32_operand): Likewise.
1529 * sched.c [!INSN_SCHEDULING]: Define only dummy function
1530 schedule_insns and comment out rest of file.
1532 * m68k.c (output_move_simode_const): Use subl to move a zero into an
1534 (output_move_[hq]imode): Likewise.
1536 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
1538 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
1539 * invoke.texi: Corresponding changes.
1541 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
1543 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
1545 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1547 * config/sparc/sparc.c (ultra_code_from_mask,
1548 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
1549 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
1550 ultrasparc_sched_init, ultrasparc_variable_issue,
1551 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
1552 functions to describe UltraSPARC pipeline exactly to Haifa.
1553 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
1554 as there is nothing the scheduler can do about it. Indicate that
1555 REG_DEP_OUTPUT's collide. Fixup formatting.
1556 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
1557 divide costs on Ultra for DImode.
1558 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
1560 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
1561 ieuN and add call_no_delay_slot to type list.
1562 (cti function unit): New unit for branches on UltraSPARC.
1563 (subx/addx insns): Set type to misc.
1564 (sidi zero/sign extension insns on arch64): Set type to shift.
1565 (sign_extendhidi2_insn): Set type to sload.
1567 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
1569 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
1570 (output_epilog): Use if != 0 for offset.
1571 (rs6000_fatal_bad_address): Prepare for Intl.
1572 * rs6000.h (rs6000_fatal_bad_address): Declare.
1573 * rs6000.md (movsfcc, movdfcc): Use else if.
1574 (elf_high): Use {liu|lis}.
1575 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
1576 (movsi): Use rs6000_fatal_bad_address.
1578 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
1580 * reload.c (find_equiv_reg): Reject equivalences separated
1581 by a volatile instruction.
1583 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1585 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
1587 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
1589 * alpha.md (movsicc): Fix mode mismatch.
1591 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
1593 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
1595 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
1597 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1599 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
1600 write-only modifier from operand 1 constraint.
1602 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1604 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
1605 emitting a XOR of -1 at the end, emit a NOT instead for combine's
1607 (sparc_emit_set_const64): Likewise, also when computing trailing
1608 bits do not negate low_bits and make fast_int an int.
1610 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
1612 * loop.c (add_label_notes): Do not ignore references to labels
1613 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
1614 * gcse.c (add_label_notes): Similarly.
1616 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
1618 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1619 (adddi_dishl32): Similarly.
1621 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1623 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1624 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1625 * cse.c (cse_basic_block): Add parens to shut up warnings.
1627 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1629 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1630 sparc_emit_set_const64_longway, const64_is_2insns,
1631 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1632 in 64-bit constant formation.
1633 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1634 rtl for addx not subx.
1635 (define_insn movdi_const64_special): Make available even when
1636 HOST_BITS_PER_WIDE_INT is not 64.
1637 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1638 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1639 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1640 instances of operand 1 inside a QI subreg.
1641 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1642 (one_cmpldi2_sp64): Fix output string.
1643 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1645 (unnamed arch64 ashift DI): Truncate shift count if greater than
1648 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1650 * expr.c (store_expr): Don't optimize away load-store pair
1651 when either source or destination have a side effect.
1653 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1655 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1656 operands of SET are incompatible.
1658 * alpha.md: Fix max and min patterns so modes of SET operands match.
1660 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1662 * configure.in: Avoid [[ by using test and changequote.
1663 * configure: Rebuild.
1665 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1667 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1669 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1670 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1671 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1672 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1673 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1674 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1675 Fix mismatching modes in SET operands.
1676 (conditional move patterns): Fix formatting.
1677 (unnamed subx arch64 pattern): Remove duplicate insn.
1679 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1681 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1682 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1683 (input_operand): Fixup test for what we accept for constant
1685 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1687 (safe_constDI): Remove.
1688 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1689 gen_safe_XOR64): New functions.
1690 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1691 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1693 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1694 available when HOST_BITS_PER_WIDE_INT is not 64.
1695 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1696 move before movdi_insn_sp64 pattern.
1697 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1698 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1699 symbolic_operand as predicate for second operand.
1700 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1701 expander): Give set VOIDmode.
1703 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1705 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1707 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1709 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1711 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1713 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1715 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1717 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1719 * install.texi: Various SCO OpenServer tweaks.
1721 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1723 * reload1.c (eliminate_regs_in_insn): Handle another case when
1724 eliminating the frame pointer to the hard frame pointer. Add
1725 missing ep->to_rtx check to one existing case.
1727 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1729 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1731 * tree.h: De-conditionalize init_priority code.
1733 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1734 * collect2.c (NM_FLAGS): Change from -p to -n.
1736 * configure.in: Turn on collect2 for mipstx39-elf.
1737 Handle use_collect2=no properly.
1739 * c-common.c: De-conditionalize init_priority code.
1740 * collect2.c (extract_init_priority, sort_ids): New fns.
1741 (main): Call sort_ids.
1742 Move sequence_number to file scope.
1744 * configure.in: Handle --enable-init-priority.
1745 * c-common.c (attrs): Add A_INIT_PRIORITY.
1746 (init_attributes, decl_attributes): Likewise.
1747 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
1748 * tree.c (get_file_function_name_long): Split out...
1749 (get_file_function_name): ...from here.
1751 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1753 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
1756 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1758 * toplev.c (display_help): Add braces to shut up warnings.
1759 * tree.c (simple_cst_equal): Likewise.
1761 * fold-const.c (non_lvalue): Don't deal with null pointer
1763 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1765 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
1766 of any size to a pointer.
1768 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
1770 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
1772 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
1774 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
1775 which will be saved.
1776 * mn10300.md (prologue insn): Only save registers which need saving.
1777 (epilogue insn): Similarly.
1779 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
1782 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
1784 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
1785 VAR_DECL's in gp addressable sections.
1787 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
1789 * sparc.c: Change return <exp> to <exp>; return; in functions
1791 * sparc.md: Add empty semicolon statement after final label in
1794 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1796 * config/sparc/sparc.md (define_insn addx_extend): Rename to
1797 addx_extend_sp64, only allow when TARGET_ARCH64.
1798 (define_insn addx_extend_sp32 and split): Version that works when
1800 (define_insn subx_extend): Likewise.
1801 (define_split adddi3 and subdi3 with zero extension): Fixup and
1802 correct bugs when not TARGET_ARCH64.
1804 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
1806 * except.c (set_exception_lang_code, set_exception_version_code):
1807 Use prototype-style definition if __STDC__, to match declaration
1810 * genemit.c: Change FAIL and DONE macros not to use loops.
1812 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
1814 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
1815 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
1817 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
1819 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
1821 * README.g77: Update from Craig.
1823 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1825 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
1827 (safe_constDI sparc_emit_set_const64_quick1,
1828 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1829 analyze_64bit_constant, const64_is_2insns,
1830 create_simple_focus_bits): Fix some bugs when compiled on real
1832 (function_arg_record_value_3, function_arg_record_value_2,
1833 function_arg_record_value): Add fully prototyped forward decls.
1834 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
1835 to cmpsi_insn and use on both 64 and 32 bit targets.
1836 (define_insn cmpsi_insn_sp64): Remove.
1837 (define_expand zero_extendsidi2): Allow for 32-bit target too.
1838 (define_insn zero_extendsidi2_insn): Rename to
1839 zero_extendsidi2_insn_sp64.
1840 (define_insn zero_extendsidi2_insn_sp32): New pattern and
1841 assosciated forced split for it.
1843 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1845 * config/sparc/sparc.h: Declare them.
1846 (PREDICATE_CODES): Add them.
1847 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
1848 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
1850 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
1852 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
1853 in v9 case as the latter makes the Solaris assembler crash.
1855 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1857 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
1858 for TFmode when !v9. We require offsettable memory addresses.
1859 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
1860 DFmode register number conversions.
1861 * config/sparc/sparc.md (define_split DFmode moves): If register
1862 is a SUBREG do alter_subreg on it before using.
1863 (define_expand movtf): Fixup comment about alignment on v9.
1864 (define_split TFmode moves): Don't use gen_{high,low}part, create
1865 explicit SUBREGs instead.
1867 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
1869 * Makefile.in (mbchar.o): Depend on mbchar.c.
1871 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1872 Richard Henderson <rth@cygnus.com>
1874 Rewrite Sparc backend for better code generation and
1875 improved sparc64 support.
1876 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
1878 * config/sparc/sysv4.h: Likewise.
1879 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
1880 move_operand, v8plus_regcmp_op, emit_move_sequence,
1881 singlemove_string, doublemove_string, mem_aligned_8,
1882 output_move_double, output_move_quad, output_fp_move_double,
1883 move_quad_direction, output_fp_move_quad, output_scc_insn):
1885 (small_int_or_double): New predicate.
1886 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
1887 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
1888 old pic_{sethi,lo_sum}_si patterns.
1889 (mem_min_alignment): New generic function to replace
1890 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
1891 available and can test for arbitrary alignments. All callers
1893 (save_regs, restore_regs, build_big_number,
1894 output_function_prologue, output_cbranch, output_return,
1895 sparc_flat_save_restore, sparc_flat_output_function_prologue,
1896 sparc_flat_output_function_epilogue): Prettify
1898 (output_function_epilogue): Likewise and add code to output
1899 deferred case vectors.
1900 (output_v9branch): Likewise, add new arg INSN and use it to tack
1901 on branch prediction settings. All callers changed.
1902 (print_operand): Likewise and output %l44 for LO_SUMs when
1904 (sparc_splitdi_legitimate): New function to make sure DImode
1905 splits can be run properly when !arch64.
1906 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
1907 Reformat example code in comments.
1908 (set_extends): Remove UNSPEC/v8plus_clear_high case.
1909 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
1910 of deferred case vectors we need to output.
1911 (sparc_defer_case_vector): Record a case vector.
1912 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
1913 sparc_output_deferred_case_vectors): New functions to output them.
1914 (sparc_emit_set_const32): New function to form 32-bit constants in
1915 registers when that requires more than one instruction.
1916 (safe_constDI, sparc_emit_set_const64_quick1,
1917 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1918 analyze_64bit_constant, const64_is_2insns,
1919 create_simple_focus_bits, sparc_emit_set_const64): New functions
1920 which do the same for 64-bit constants when arch64.
1921 (sparc_emit_set_symbolic_const64): New function to emit address
1922 loading for all code models on v9.
1923 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
1924 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
1925 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
1926 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
1927 inaccuracies in comments, add symbolic and text_segment operands
1928 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
1929 GENERAL_REGS in these cases as a temp REG is needed to load these
1930 addresses into a register properly.
1931 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
1933 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
1934 quads are guarenteed to have 16-byte alignment.
1935 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
1936 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
1937 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
1938 deferred case vector implementation.
1939 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
1940 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
1941 Generate "internal label - label" instead of "label - 1b".
1942 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
1943 (PREDICATE_CODES): Remove sparc_operand, move_operand,
1944 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
1946 (doublemove_string, output_block_move, output_fp_move_double,
1947 output_fp_move_quad, output_move_double, output_move_quad,
1948 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
1949 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
1950 (sparc_emit_set_const32, sparc_emit_set_const64,
1951 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
1952 mem_min_alignment, small_int_or_double): Add externs.
1953 * config/sparc/sparc.md: Document the many uses of UNSPEC and
1954 UNSPEC_VOLATILE in this backend.
1955 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
1956 unary to types which execute in it.
1957 (define_function_unit ieu_shift): Rename to ieu0.
1958 (define_function_unit ieu1): New, executes compare, call, and
1959 uncond_branch type insns.
1960 (define_function_units for type fdivs, fdivd, fsqrt): These
1961 execute in the fpu multiply unit not the adder on UltraSparc.
1962 (define_expand cmpdi): Disallow TARGET_V8PLUS.
1963 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
1964 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
1965 allows the arith_double_operand predicate and rHI constraint when
1967 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
1968 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
1969 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
1970 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
1971 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
1972 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
1973 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
1974 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
1975 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
1976 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
1977 sign_extendqihi2_insn, sign_extendqisi2_insn,
1978 sign_extendqidi2_insn, sign_extendhidi2_insn,
1979 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
1980 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
1981 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
1982 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
1983 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
1984 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
1985 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
1986 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
1987 smulsi3_highpart_v8plus, unnamed subreg mult,
1988 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
1989 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
1990 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
1991 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
1992 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
1993 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
1994 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
1995 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
1996 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
1997 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
1998 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
1999 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2000 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2001 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2002 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2003 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2004 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2005 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2006 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2007 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2008 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2009 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2010 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2011 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2012 call_address_untyped_struct_value_sp32,
2013 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2014 call_value_symbolic_sp32, call_value_address_sp64,
2015 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2016 flush_register_windows, goto_handler_and_restore,
2017 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2018 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2019 return_addsi, return_di, return_adddi, return_sf, all call+jump
2020 peepholes, trap, unnamed trap insns): Prettify output strings.
2021 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2022 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2023 Likewise and force + implement splits for integer cases.
2024 (define_insn return_sf_no_fpu): Likewise and allow to match when
2025 no-fpu because of our subreg SFmode splits.
2026 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2027 zero_extendqidi2_insn, zero_extendhidi2_insn,
2028 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2029 input_operand for second operand.
2030 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2031 reg_or_0_operand for operand 2 so new splits can use it.
2032 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2033 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2035 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2036 CONST_DOUBLEs for operand 2.
2037 (define_insn move_label_di): Likewise and label distance
2038 optimization because it no longer works with new deferred case
2039 vector scheme. To be revisited.
2040 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2041 and allow reg_or_0_operand and J constraint for second operand.
2042 (define_insn jump): Set branch predict taken on V9.
2043 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2044 new deferred case vector scheme.
2045 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2046 (define_insn negdi2_sp32): Force + implement splits.
2047 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2048 one_cmplsi2_not_liveg0 respectively, and create expander of original
2049 names which emit special rtl for TARGET_LIVE_G0.
2050 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2051 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2052 gen_compare_reg, FAIL instead.
2053 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2054 values when trying to reverse condition codes, if they FAIL then
2056 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2057 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2058 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2059 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2060 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2061 set output string to # to indicate they are mandatory splits.
2062 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2063 pic_sethi_di, move_pic_label_si): Remove.
2064 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2065 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2067 (define_expand movsi_pic_label_ref, define_insn
2068 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2069 expander and insns to handle PIC label references and deferred
2071 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2073 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2074 Rewrite to not use emit_move_sequence, make use of new constant
2075 formation code, and new splits for all multi-insn cases.
2076 (define_insn movqi_insn): Remove sethi case, it can never happen.
2077 Use reg_or_zero_operand instead of const0_rtx explicit test,
2078 use input_operand instead of move_operand for source, and use
2079 general_operand now for dest.
2080 (define_insn movhi_insn): Similar but leave sethi case.
2081 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2082 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2083 movhi_lo_sum respectively, prettify output string.
2084 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2085 register when needed on TARGET_LIVE_G0.
2086 (define_insn movsi_insn): Use general_operand and input_operand
2087 for dest and src respectively. Simplify applicability test.
2088 Prettify output strings, and add clr alternative for J
2090 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2091 deprecated std and reg-reg DI moves): Remove and...
2092 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2093 implementation which uses forced splits for all non-single insn
2095 (define_split DI move cases on !arch64): New splits to handle all
2096 situations of 64-bit double register DImode on 32bit, and
2097 unaligned registers and memory addresses for all subtargets.
2098 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2100 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2101 input_operand for dest and src respectively, prettify output
2103 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2104 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2106 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2107 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2108 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2109 movtf_no_e_insn_sp64) Replace with new
2110 implementation which uses forced splits for all non-single insn
2112 (define_split DF move cases): New splits in similar vein to DI
2114 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2115 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2116 movdi_sp64_insn): Remove old v9 code model and constant loading
2118 (define_insn pic_lo_sum_di, pic_sethi_di,
2119 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2120 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2121 embmedany_sethi, embmedany_losum, embmedany_brsum,
2122 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2123 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2124 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2125 scheme, using unspecs, secondary reloads, and one to one sparc
2126 insn to rtl insn mapping for better scheduling and code gen.
2127 (define_expand reload_indi, reload_outdi): Reload helpers for
2128 MEDANY and EMBMEDANY symbol address loading cases which require a
2130 (define_expand movsicc): Remove v8plus_regcmp cases.
2131 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2132 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2133 cmp_diqi_trunc_set): New patterns used by some of the new scc
2135 (define_insn xordi3_sp64_dbl): New pattern used for constant
2136 formation when crossing from 32-bit targets.
2137 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2139 (define_insn addx, subx): Make visible and prettify.
2140 (define_insn adddi3_insn_sp32): Likewise and force split.
2141 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2142 64bit scc split usage.
2143 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2144 zero_extend, subdi3): Force and implement splits.
2146 * final.c (final_scan_insn): Don't output labels if target
2147 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2150 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2151 don't forget to walk inside SEQUENCESs too as these are what the
2152 delay slot scheduler will create.
2154 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2156 * alpha.md (extxl+1,+2): New patterns to work around
2159 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2161 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2162 caused bad assembly code to be generated.
2164 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2166 * netbsd.h: Fix typo.
2168 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2170 * config.sub: Fix typo.
2172 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2174 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2176 (Running Protoize): Typo: Change "ther" into "other".
2178 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2180 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2181 * m68k/netbsd.h: Likewise.
2182 * ns32k/netbsd.h: Likewise.
2183 * sparc/netbsd.h: Likewise.
2185 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2187 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2188 * ginclude/va-clipper.h (va_list): Likewise.
2190 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2192 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2193 load/store multiple instructions unless user overrides.
2195 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2197 * ns32k/netbsd.h: Fix typo.
2199 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2201 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2202 labels with .debugsym if no parallel insns.
2204 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2206 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2207 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2209 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2211 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2212 (AR_FOR_TARGET): Define.
2214 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2216 * dyn-string.h: New file.
2217 * dyn-string.c: Likewise.
2218 * Makefile.in (OBJS): Add dyn-string.o.
2219 (dwarf2out.o): Add dyn-string.h dependency.
2220 (dyn-string.o): List dependencies.
2221 * dwarf2out.c: Include dyn-string.h.
2222 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2223 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2224 prototype. Use dyn_string_append rather than strcat, throughout.
2225 (addr_to_string): Use dyn_string_t.
2227 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2229 Function entry/exit profiling instrumentation:
2230 * expr.h (profile_function_entry_libfunc,
2231 profile_function_exit_libfunc): Declare new variables.
2232 * optabs.c: Define them here.
2233 (init_optabs): Initialize them.
2234 * tree.h (struct tree_decl): New flag
2235 no_instrument_function_entry_exit.
2236 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2237 * c-decl.c (duplicate_decls): Merge it.
2238 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2239 (init_attributes): Use it for "no_instrument_function".
2240 (decl_attributes): Handle it, for functions that have not yet been
2241 compiled. Set decl flag.
2242 * flags.h (flag_instrument_function_entry_exit): Declare new
2244 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2245 (f_options): New option "instrument-functions".
2246 * function.h (struct function): New field instrument_entry_exit.
2247 * function.c (current_function_instrument_entry_exit): New
2249 (push_function_context_to, pop_function_context_from): Save and
2251 (expand_function_start): Set current_ variable, maybe emit return
2252 label and entry profile call.
2253 (expand_function_end): Maybe emit exit profile call.
2255 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2257 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2258 NON_QI_REG_P, pretend the register is SImode.
2260 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2262 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2263 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2264 manufacturer id for ns32k.
2265 * configure: Regenerated.
2266 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2267 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2268 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2269 * config/m68k/netbsd.h: Same.
2270 * config/ns32k/netbsd.h: Same.
2271 * config/sparc/netbsd.h: Same.
2273 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2275 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2276 or UNROLL_COMPLETELY loop that starts with a jump to its
2279 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2281 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2282 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2283 (print_operand, case 'B'): Don't fall through.
2284 (print_operand, case 'S'): Correct mask begin/end computation.
2285 Use HOST_BITS_PER_WIDE_INT.
2286 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2287 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2288 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2289 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2291 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2293 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2294 constraint from second alternative.
2296 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2298 * configure.in: Fix --without/--disable cases for local-prefix,
2299 gxx-include-dir and checking.
2301 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2303 * configure.in (enable_haifa): Set by default for sparc64 too.
2306 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2308 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2309 * i386/winnt.c (associated_type): New fn.
2310 (i386_pe_valid_type_attribute_p): New fn.
2311 (i386_pe_check_vtable_importexport): Remove.
2312 (i386_pe_dllexport_p): Use associated_type.
2313 (i386_pe_dllimport_p): Likewise.
2315 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2316 * i386.c (i386_valid_type_attribute_p): Also accept
2317 attributes for METHOD_TYPEs.
2319 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2321 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2323 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2325 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2327 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2328 them from generating a new base name for each occurence of
2331 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2333 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2335 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2339 * cplus-dem.c (type_kind_t): New type.
2340 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2341 on this paramter, rather than demangling the type again.
2342 (demangle_integral_value): Pass tk_integral.
2343 (demangle_template_: Pass the value returned from do_type.
2344 (do_type): Return a type_kind_t. Pass tk_integral to
2345 demangle_template_value_parm for array bounds.
2346 (demangle_fund_type): Likewise.
2348 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2350 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2353 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2355 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2357 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2359 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2361 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2364 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2366 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2367 (DEBUGGER_ARG_OFFSET): Likewise.
2369 * mn10300.md (movsf): Remove last change. Not needed.
2371 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2373 * c-lex.c (yylex): Fix boundary conditions in character literal and
2374 string literal loops.
2376 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2378 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2379 being invoked incorrectly.
2381 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2382 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2384 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2385 * configure.in: Added i[34567]86-*-win32
2386 * config.sub: Ditto.
2387 * configure: Rebuilt.
2389 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2391 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2392 the frame pointer and compiling PIC code and reload has not completed.
2394 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2397 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2399 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2401 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2403 * Makefile.in (install-info): Only try to update the info
2404 directory file if it exists in the first place.
2406 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2408 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2410 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2412 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2413 CONST_DOUBLE source.
2415 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2417 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2418 strings as the insertion of USER_LABEL_PREFIX.
2419 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2421 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2424 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2426 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2427 already defined type.
2429 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2431 * expr.c (check_max_integer_computation_mode): Allow conversions
2432 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2433 (expand_expr): Likewise.
2435 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2437 * expr.c (expand_expr): Expand RETURN_EXPR.
2439 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2441 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2443 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2445 * dwarf2out.c (output_aranges): Call stripattributes
2446 for TEXT_SECTION references.
2447 (output_line_info): Likewise.
2449 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2451 * profile.c (branch_prob): Call allocate_reg_info after outputting
2452 profile rtl in instrument_arcs.
2454 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2456 * fixinc.irix (math.h): Install wrapper instead of copying.
2458 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2460 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2461 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2462 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2463 lang_flag_0. Added documentation in the flag table.
2465 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2467 * cccp.c (do_include): Fix vax c style include handling.
2469 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2471 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2473 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2475 * fold-const.c (non_lvalue): Don't deal with null pointer
2477 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2479 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
2481 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
2482 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
2483 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
2484 (u_short_cint_operand): Same.
2485 (reg_or_cint_operand): Same.
2486 (logical_operand): Same.
2487 (input_operand): Same.
2488 (reg_or_short_operand): Use u_short_cint_operand.
2490 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
2492 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
2493 but keep the insns and splits. Adjust so when the ultimate destination
2494 is memory, use cvtql.
2496 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
2498 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
2500 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
2502 * gcc.c (do_spec): Call "error" not "warning".
2504 * configure.in: Fix minor problems with gas feature detection code.
2505 * configure: Rebuilt.
2507 * gcc.c (do_spec): Issue a warning for '%[]' usage.
2510 * gcc.c: Delete %[spec] support.
2511 (do_spec_1, case '('): Likewise.
2512 (do_spec_1, case '['): Call error.
2514 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
2516 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
2517 (CPP_SUBTARGET_SPEC): Default to empty string.
2518 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
2519 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
2520 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
2521 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
2523 * alpha/linux.h (CPP_PREDEFINES): Tidy.
2524 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
2525 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
2526 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
2527 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
2528 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
2529 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
2530 * alpha/vxworks.h: Likewise.
2532 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
2534 * mips.md (reload_outsi): Added missing REGNO call.
2535 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
2537 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
2538 another match_operator and compare the codes.
2540 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
2542 * MIPS multiply pattern fixes:
2543 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2544 Add union classes for HI, LO, or HILO plus general registers.
2545 (GENERATE_MADD): Deleted.
2546 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
2547 Add TARGET_MAD to condition.
2548 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
2549 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
2550 "*d" for accumulator, to give preference to LO initially but not
2553 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
2555 * configure.in (enable_c_mbchar): New configure option.
2556 (extra_cpp_objs): Always available now.
2558 * cexp.y (mbchar.h): #include it.
2559 (yylex): Handle Multibyte characters in character literals.
2561 * cccp.c (mbchar.h): #include it.
2562 (main): Set character set based on LANG environment variable.
2563 (rescan): Handle multibyte characters in comments.
2564 (skip_if_group): See above.
2565 (validate_else): See above.
2566 (skip_to_end_of_comment): See above.
2567 (macarg1): See above.
2568 (discard_comments): See above.
2569 (rescan): Handle multibyte characters in string and character literals.
2570 (collect_expansion): See above.
2571 (skip_quoted_string): See above.
2572 (macroexpand): See above.
2573 (macarg1): See above.
2574 (discard_comments): See above.
2575 (change_newlines): See above.
2577 * c-lex.c (mbchar.h): #include it.
2578 (GET_ENVIRONMENT): New macro.
2579 (init_lex): Set character set based on LANG environment variable.
2580 (yylex): Handle multibyte characters in character literals.
2581 (yylex): Handle multibyte characters in string literals.
2583 * Makefile.in (mbchar.o): New target.
2584 (cccp$(exeext)): @extra_cpp_objs@ is always available.
2585 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
2587 * mbchar.[ch]: New files for multibyte character handling.
2589 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2591 * jump.c (jump_optimize): When simplifying noop moves and
2592 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
2593 the PUSHes to rewrite in second loop as we did in the first.
2595 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2597 * cplus-dem.c (demangle_nested_args): Make function definition
2598 static to match the prototype.
2600 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
2602 * alloca.c: Respect USE_C_ALLOCA.
2603 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
2604 * gengenrtl.c (xmalloc): Likewise.
2606 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
2608 * loop.h (struct induction): Add no_const_addval.
2609 * loop.c (the_movables, reg_address_cost): New variables.
2610 (init_loop): Init reg_address_cost.
2611 (loop_optimize): Call end_alias_analysis.
2612 (scan_loop): Init the_movables.
2613 (record_giv): Init induction->no_const_addval.
2614 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
2615 [REG]: Rearrange loop search test to catch more cases.
2616 (general_induction_var): Return success not benefit; take an extra
2617 argument for that. Change all callers.
2618 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2619 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2620 [default]: Search the_movables for additional combinations.
2621 (sge_plus_constant, sge_plus): New functions.
2622 (express_from_1): New function.
2623 (express_from): Always define. Rewrite using express_from_1.
2624 (combine_givs_p): Handle more cases. Ignore address cost.
2625 (cmp_combine_givs_stats): New function.
2626 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2627 (combine_givs): Rewrite to do best-fit combination.
2629 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2630 (fold): Do a complete (A*C)+(B*C) association check.
2632 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2634 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2636 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2638 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2640 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2642 * tree.c (valid_machine_attribute): Only create a new type variant if
2643 there is a decl to use it.
2645 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2647 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2650 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2652 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2655 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2657 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2658 Simplify tests for clearing an address register.
2659 (expand_prologue): Corresponding changes.
2661 * mn10300.md (movXX patterns): Make sure the destination is an
2662 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2663 (logical patterns): Split into expanders + patterns
2664 (zero and sign extension patterns): Similarly.
2665 (shift patterns): Similarly.
2667 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2669 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2670 for the sequence, recording base values.
2672 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2674 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2676 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2678 * gcc.c: Remove ANSI-C ism from --help code.
2680 * toplev.c: Support --help with USE_CPPLIB.
2682 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2684 * configure.in: Rework gas feature code to work with symlink based
2687 * extend.texi: Clarify some issues related to local variables
2688 assigned to explicit registers.
2690 * mn10300.md (mulsi): Turn into expander + pattern.
2692 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2695 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2697 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2699 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2701 * version.c: Bump again to distinguish mainline tree from the
2704 See ChangeLog.0 for earlier changes.
2707 add-log-time-format: current-time-string