1 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
7 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
8 narrower than FLOAT_REGS.
10 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
12 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
14 * Makefile.in (old_gxx_include_dir): removed
16 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
18 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
21 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
22 (sh_handle_pragma): Change function arguments to match new
23 specification for HANDLE_PRAGMA.
25 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
29 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
30 When generating output, initialize missing struct member to zero.
32 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
34 * regmove.c (copy_src_to_dest): Don't copy if that requires
37 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
39 * global.c (reg_allocno): Now static.
40 * reload1.c (reg_allocno): Delete declaration.
41 (order_regs_for_reload): Take no arguments. Don't treat regs
42 allocated by global differently than those allocated by local-alloc.
44 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
46 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
47 condition, fix format strings.
48 (output_function_epilogue): Likewise.
50 * m68k/m68k.c: Don't include <stdlib.h> directly.
52 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
54 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
55 mem_first_set, mem_last_set; because 0 can be a CUID.
56 (oprs_unchanged_p): Use new definition.
57 (record_last_reg_set_info): Likewise.
58 (record_last_mem_set_info): Likewise.
59 (compute_hash_table): Likewise.
61 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
63 * rs6000.c (output_epilogue): Handle Chill.
65 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
66 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
68 * combine.c (make_extraction): If no mode is specified for
69 an operand of insv, extv, or extzv, default it to word_mode.
70 (simplify_comparison): Similarly.
71 * expmed.c (store_bit_field): Similarly.
72 (extract_bit_field): Similarly.
73 * function.c (fixup_var_regs_1): Similarly.
74 * recog.c (validate_replace_rtx_1): Similarly.
75 * mips.md (extv, extzv, insv expanders): Default modes for most
76 operands. Handle TARGET_64BIT.
77 (movdi_uld, movdi_usd): New patterns.
79 * pa.c (emit_move_sequence): Do not replace a pseudo with its
80 equivalent memory location unless we have been provided a scratch
81 register. Similarly do not call find_replacement unless a
82 scratch register has been provided.
84 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
86 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
89 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
91 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
92 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
93 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
94 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
95 * c-decl.c (init_decl_processing): Update accordingly.
96 * expr.c (expand_builtin): Likewise.
98 * rtl.h (global_rtl): Add cfa entry.
99 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
100 (LAST_VIRTUAL_REGISTER): Update.
101 * emit-rtl.c (global_rtl): Add cfa entry.
102 (init_emit): Initialize it.
103 * function.c (cfa_offset): New.
104 (instantiate_virtual_regs): Initialize it.
105 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
106 (expand_function_end): Call expand_eh_return.
107 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
109 * except.c (current_function_eh_stub_label): Kill.
110 (current_function_eh_old_stub_label): Likwise; update all references.
111 (expand_builtin_set_return_addr_reg): Kill.
112 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
113 (expand_builtin_set_eh_regs): Kill.
114 (eh_regs): Produce a third reg for the actual handler address.
115 (eh_return_context, eh_return_stack_adjust): New.
116 (eh_return_handler, eh_return_stub_label): New.
117 (init_eh_for_function): Initialize them.
118 (expand_builtin_eh_return, expand_eh_return): New.
119 * except.h: Update prototypes.
120 * flow.c (find_basic_blocks_1): Update references to the stub label.
121 * function.h (struct function): Kill stub label elements.
123 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
124 register number is one that would be in the previous window.
125 Provide a dummy definition for non-windowed targets.
126 (get_reg_addr): New function.
127 (get_reg, put_reg, copy_reg): Use it.
128 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
129 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
131 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
132 (alpha_init_expanders): Initialize it.
133 (alpha_expand_epilogue): Use it.
134 * alpha.h: Declare it.
135 * alpha.md (eh_epilogue): New.
137 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
138 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
140 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
142 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
145 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
147 * except.h (struct eh_entry): Add false_label field.
148 (end_catch_handler): Add prototype.
149 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
150 (start_catch_handler): When using old style exceptions, issue
151 runtime typematch code before continuing with the handler.
152 (end_catch_handler): New function, generates label after handler
153 if needed by older style exceptions.
154 (expand_start_all_catch): No need to check for new style exceptions.
155 (output_exception_table_entry): Only output the first handler label
156 for old style exceptions.
157 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
158 mechanism into one function, if a runtime matcher is provided.
160 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
162 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
164 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
166 * integrate.c (copy_decl_list): Fix typo.
168 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
170 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
173 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
175 * version.c: Bump for snapshot.
177 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
179 * version.c: Bump for snapshot.
181 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
183 * version.c: Bump for snapshot.
185 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
187 * invoke.texi (C Dialect Options): Put back missing @end itemize.
189 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
191 * configure.in: remove usage of `!' to negate the result of a
192 command; some common shells do not support it
194 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
196 * configure.in: in sparc9-sol2 config, use 'if test' not
198 * configure: Rebuilt.
200 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
202 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
203 (CPP_CPU_DEFAULT_SPEC): Likewise.
204 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
207 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
210 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
212 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
214 * collect2.c: Don't declare `sys_siglist' here.
215 (my_strsignal): Prototype and define new function. Use it in
216 place of `sys_siglist' hacks.
218 * mips_tfile.c: Likewise.
220 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
221 (GCC_NEED_DECLARATIONS): Likewise.
223 * system.h (strsignal): Prototype it, if necessary.
224 (sys_siglist): Declare it, if necessary.
226 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
228 * loop.c (move_movables): While removing insn sequences, preserve
229 the next pointer of the most recently deleted insn when we skip
232 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
234 * objc/config-lang.in: Do not output the name of the selected
235 thread file when building the front-end. The Makefile for the
236 runtime library will do this.
238 * objc/Make-lang.in: Do not build the runtime library or install
239 the Objective C header files. The Makefile for the runtime
240 library will do this.
242 * objc/Makefile.in (all.indirect): Only build the front-end.
243 (compiler): Rename to `frontend'.
244 (obj-runtime): Remove target.
245 (copy-headers): Likewise.
246 (clean): No need to remove `libobjc.a' any longer.
248 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
250 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
251 supported with -mcpu=xxx.
253 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
255 * flow.c (mark_set_1): Recognize multi-register structure return
256 values in CALL insns.
257 (mark_used_regs): Likewise.
258 (count_reg_sets_1): Likewise.
259 (count_reg_references): Likewise.
260 * rtlanal.c (note_stores): Likewise.
261 (reg_overlap_mentioned_p): Likewise.
262 * haifa-sched.c (check_live_1): Likewise.
263 (update_live_1): Likewise.
264 (sched_analyze_1): Likewise.
265 (sched_note_set): Likewise.
266 (birthing_insn_p): Likewise.
267 (attach_deaths): Likewise.
269 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
272 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
274 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
276 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
278 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
280 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
282 * configure.in: Add check for GAS subsection -1 support.
283 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
284 * configure config.in: Rebuilt.
285 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
286 SImode is subsection -1 works, else use DImode.
287 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
289 * config/sparc/sparc.c (sparc_output_addr_vec,
290 sparc_output_addr_diff_vec): Use them if defined.
292 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
294 * tree.h (DECL_ORIGIN): New macro.
295 * integrate.c (copy_and_set_decl_abstract_origin): New function.
296 (copy_decl_list): Use it.
297 (integrate_parm_decls): Likewise.
298 (integrate_decl_tree): Likewise.
299 * dwarf2out.c (decl_ultimate_origin): Simplify.
300 * dwarfout.c (decl_ultimate_origin): Likewise.
301 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
302 (pushdecl): Likewise.
304 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
306 * config/rs6000/rs6000.c (output_epilog): Add Java support.
308 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
310 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
312 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
314 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
315 empty or has a single entry.
317 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
318 before calling reg_to_stack.
320 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
322 * alpha.c (alphaev5_insn_pipe): Abort on default case.
323 (alphaev5_next_group): Swallow CLOBBERs and USEs.
325 * c-tree.h (warn_long_long): Declare it.
327 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
329 * emit-rtl.c (gen_lowpart_common): Disable optimization of
330 initialized float-int union if the value is a NaN.
332 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
334 * c-lex.c (real_yylex): Don't warn about long long constants if
335 we're allowing long long
337 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
339 * except.h (current_function_eh_stub_label): Declare.
340 (current_function_eh_old_stub_label): Declare.
341 * function.h (struct function): New members eh_stub_label and
343 * except.c (current_function_eh_stub_label): New variable.
344 (current_function_eh_old_stub_label): New variable.
345 (init_eh_for_function): Clear them.
346 (save_eh_status): Save them.
347 (restore_eh_status): Restore them.
348 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
349 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
350 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
351 make an edge from the block that contains it to the block starting
352 with the label if this label is one of the eh stub labels.
353 If eh stub labels exist, show they are reachable from the last block
356 * reload1.c (reload): Break out several subroutines and make some
358 (calculate_needs_all_insns): New function, broken out of reload.
359 (calculate_needs): Likewise.
360 (find_reload_regs): Likewise.
361 (find_group): Likewise.
362 (find_tworeg_group): Likewise.
363 (something_needs_reloads): New global variable, formerly in reload.
364 (something_needs_elimination): Likewise.
365 (caller_save_spill_class): Likewise.
366 (caller_save_group_size): Likewise.
367 (max_needs): Likewise.
368 (group_size): Likewise.
369 (max_groups): Likewise.
370 (max_nongroups): Likewise.
371 (group_mode): Likewise.
372 (max_needs_insn): Likewise.
373 (max_groups_insn): Likewise.
374 (max_nongroups_insn): Likewise.
377 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
379 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
381 * loop.c (load_mems): Copy rtx for output mem.
383 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
385 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
386 mips1 or mips2 either.
388 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
390 * pa.c (pa_reorg): New marking scheme for jumps inside switch
392 (pa_adjust_insn_length): Update to work with new marking scheme
393 for jumps inside switch tables.
394 * pa.md (switch_jump): Remove pattern.
395 (jump): Handle jumps inside jump tables.
397 * Makefile.in (profile.o): Depend on insn-config.h
399 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
401 * iris6.h (DWARF2_UNWIND_INFO): Undef.
403 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
405 Add preliminary native sparcv9 Solaris support.
406 * configure.in: Recognize sparv9-*-solaris2*
408 * config.sub: Recognize sparcv9 just like sparc64.
409 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
410 config/sparc/sol2-cn.asm: Macroize so it can be shared between
411 32-bit and 64-bit Solaris systems.
412 * config/sparc/t-sol2: Assemble those with cpp.
413 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
414 (*TF*_LIBCALL): If ARCH64 use V9 names.
415 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
417 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
419 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
420 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
422 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
424 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
425 to Pmode if CASE_VECTOR_MODE is something else.
427 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
429 * prefix.c (update_path): Correctly handle cases where PATH is
430 a substring of the builtin prefix, but specifies a different
433 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
435 * expr.c: Corrected comment about what MOVE_RATIO does.
436 * config/alpha/alpha.h: Ditto.
437 * config/1750a/1750a.h: Ditto.
438 * config/clipper/clipper.h: Ditto.
439 * config/i386/i386.h: Ditto.
441 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
443 * configure.in (m68k-next-nextstep3*): Use collect2.
444 Similarly for x86 NeXT configurations.
445 * configure: Rebuilt.
447 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
449 * configure.in: Don't assume srcdir is .../gcc
450 * configure: Rebuilt.
452 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
454 * global.c: Update comments.
455 (global_alloc): Assign allocation-numbers
456 even for registers allocated by local_alloc in case
457 they are later spilled and retry_global_alloc is called.
458 (mark_reg_store, mark_reg_clobber,
459 mark_reg_conflicts, mark_reg_death): Always record a
460 conflict with a pseudo register even if it has been
461 assigned to a hard register.
462 (dump_conflicts): Don't list pseudo registers already assigned to
463 a hard register as needing to be allocated, but do list their
465 * local-alloc.c: Update comment.
467 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
469 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
470 * configure: Rebuilt.
472 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
474 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
476 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
477 for all targets that set -msoft-float.
479 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
481 * toplev.c (print_switch_values): Make static to match prototype.
483 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
485 * configure.in: If we are unable to find the "gnatbind" program,
486 then do not configure the ada subdir.
487 * configure: Rebuilt.
489 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
491 * version.c: Bump for snapshot.
493 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
495 * version.c: Bump for snapshot.
497 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
499 * Makefile.in (toplev.o): Depend on $(EXPR_H).
500 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
502 * gansidecl.h: Define ATTRIBUTE_NORETURN.
504 * genattrtab.c: Have insn-attrtab.c include toplev.h.
506 * genextract.c: Have insn-extract.c include toplev.h.
508 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
510 * toplev.c: Include expr.h.
511 (really_sorry, fancy_abort): Remove prototypes.
512 (set_target_switch): Add argument in prototype.
513 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
514 (v_really_sorry): Likewise.
515 (print_version, print_single_switch, print_switch_values): Make
516 static and add prototype arguments.
517 (decl_printable_name): Add prototype arguments.
518 (lang_expand_expr_t): New typedef.
519 (lang_expand_expr): Declare as a lang_expand_expr_t.
520 (incomplete_decl_finalize_hook): Add prototype argument.
521 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
522 (botch): Likewise for variable `s'.
523 (rest_of_type_compilation): Mark variables `type' and `toplev'
524 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
525 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
526 (display_help): Make variable `i' an `unsigned long'.
527 (main): Remove unused parameter `envp'.
528 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
529 Cast -1 when comparing it with a `size_t'.
531 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
532 prototype with ATTRIBUTE_NORETURN.
533 (fatal_insn_not_found, fatal_insn, really_sorry,
534 push_float_handler, pop_float_handler): Add prototypes.
535 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
536 (do_abort, botch): Add prototypes.
538 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
540 * final.c (final): If a label is reached only from a single jump,
541 call NOTICE_UPDATE_CC on the jump and its predecessor before
542 emitting the insn after the label.
544 * i386.h: Add AMD K6 support.
545 Change TARGET_* macros to use table lookup.
546 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
547 (ADJUST_COST): Change definition to call function in i386.c.
548 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
549 * i386.c: Add AMD K6 support.
550 Add constants for feature tests used by TARGET_* macros.
551 (split_di): If before reload, call gen_lowpart and gen_highpart.
552 (x86_adjust_cost): New function.
553 (put_jump_code): New function.
554 (print_operand): New codes 'D' and 'd'.
555 * i386.md: New insn types. New insn attribute "memory".
556 Redefine scheduling parameters to use new types and add AMD K6
557 support. Explicitly set type of most insns.
558 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
559 Pro and K6 prefer movl $1,reg to incl reg.
560 (adddi3, subdi3): Set cc_status.
561 (DImode shift patterns): Change label counters from HOST_WIDE_INT
562 to int; x86 can't have more than 2^31 DImode shifts per file.
563 (setcc): Combine all setcc patterns. Allow writing memory.
564 Combine all jump patterns using match_operator.
565 (*bzero): Name pattern. Emit mutliple stos instructions when that
566 is faster than rep stos.
567 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
570 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
572 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
575 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
577 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
578 not whatever we're generating now.
580 * alpha.c (set_frame_related_p, FRP): New.
581 (alpha_expand_prologue): Mark frame related insns.
582 (alpha_expand_epilogue): Likewise, but with a null FRP.
583 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
584 * alpha.md (exception_receiver): New.
585 * alpha/crtbegin.asm (.eh_frame): New beginning.
586 (__do_frame_setup, __do_frame_takedown): New.
587 * alpha/crtend.asm (.eh_frame): New ending.
588 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
589 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
590 (ASM_FILE_START): Don't emit .file for dwarf2.
592 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
593 * rtl.c (reg_note_name): Likewise.
594 * rtl.texi (REG_NOTES): Likewise.
595 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
598 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
600 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
601 * i386.md (movsf, movdf, movxf): Validate memory address returned
602 from force_const_mem. Kill useless REG_EQUAL setting code.
604 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
606 * m68k.md (zero_extendsidi2): Fix typo.
608 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
610 * configure.in: Removed references to the removed file
611 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
612 * arm*-*-netbsd* and ns32k-*-netbsd*.
613 * config/i386/xm-netbsd.h: Removed unnecessary file.
614 * config/m68k/xm-netbsd.h: Likewise.
615 * config/sparc/xm-netbsd.h: Likewise.
616 * config/mips/xm-netbsd.h: Likewise.
618 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
620 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
621 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
623 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
624 for exact section attributions.
626 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
628 * i386/crtdll.h (CPP_PREDEFINES): Define.
630 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
632 * m68k.md (5200 movqi): Do not allow byte sized memory references
634 * m68k.c (output_move_qimode): Do not use byte sized operations on
637 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
638 explicit rules for building. Similarly for alloca, vfprintf,
639 choose-temp and mkstemp, getopt, getopt1, and obstack.
640 (INCLUDES): Add $(srcdir)/../include.
641 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
642 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
644 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
646 * gcc.c (do_spec_1): [case 'o'] Account for
647 lang_specific_extra_outfiles.
648 (main): Correctly clear all slots in outfiles for
649 lang_specific_extra_outfiles. Set input_file_number before
650 calling lang_specific_pre_link.
652 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
654 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
656 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
658 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
660 (sparc_output_deferred_case_vectors): If no work to do, return.
661 Fix thinko in Sept 1 change.
663 1998-09-03 SL Baur <steve@altair.xemacs.org>
665 * Makefile.in: add semicolon in BISON definition for portability.
667 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
669 * config/nextstep.c (handle_pragma): Correct name of third
672 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
674 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
675 * config/m32r/m32r.h: Make register 17 be fixed.
676 * config/m32r/m32r.c: Use SImode for cc operations.
678 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
680 * invoke.texi (Warning Options): Add -Wnon-template-friend
683 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
685 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
687 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
689 * rs6000.md (movsf): Disable explicit secondary-reload-like
690 functionality if TARGET_POWERPC64.
691 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
694 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
696 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
697 and term.h from fixinc.wrap.
699 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
701 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
702 safe to include both string.h and strings.h together.
703 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
704 which headers to search for function declarations. Continue to
705 prefer string.h over strings.h when both are not acceptable.
707 * acconfig.h (STRING_WITH_STRINGS): Add stub.
709 * configure.in: Call GCC_HEADER_STRING.
711 * system.h: Test STRING_WITH_STRINGS when deciding which headers
712 to include. Continue to prefer string.h over strings.h when both
715 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
717 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
718 not assume top 32-bits of symbolic addresses are zero if
721 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
723 * ginclude/va-alpha.h: Protect entire second portion of the
724 file against double inclusion.
726 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
728 Added support for the Boehm's garbage collector.
729 * configure.in: Handle --enable-objc-gc.
730 * configure: Rebuilt.
731 * Makefile.in (CHECK_TARGETS): Add check-objc.
732 (check-objc): New rule.
733 * objc/Make-lang.in: Build a different Objective-C library that
734 runs with the Boehm's collector.
735 * objc/encoding.c (objc_round_acc_size_for_types): New function.
736 * objc/encoding.c: Correctly compute the size of compound types in
737 the presence of bitfields. Skip the variable name of the type if
738 any. Added support for long long.
739 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
740 (_F_GCINVISIBLE): New mask.
741 * objc/gc.c: New file. Compute the type memory mask associated with
742 a class based on the runtime information.
743 * objc/misc.c: Added the hooks that use the Boehm's collector
744 allocation functions.
745 * objc/objc-act.c (build_class_template): Generate a new class
746 member (gc_object_type) to hold the class' type memory mask.
747 (build_shared_structure_initializer): Initialize the new member to
749 (encode_complete_bitfield): New function. Generate the new
751 (encode_field_decl): Generate the new encoding only for the GNU
753 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
755 (class_get_gc_object_type): New function to mark a pointer instance
756 variable as a weak pointer.
757 * objc/objc-features.texi: New file.
758 * objc/objc.h (gc_object_type): New class member.
759 * objc/objects.c (class_create_instance): Create a typed memory
760 object when compiled with Boehm's collector support.
761 * objc/sendmsg.c (__objc_init_install_dtable): Call
762 __objc_send_initialize instead of setting the initialize flag.
763 (__objc_send_initialize): Call __objc_generate_gc_type_description
764 to generate the class type memory mask. Rewrite the code that
765 sends the +initialize so that it is called only once (bug report
766 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
767 * testsuite/objc: New testsuite for Objective-C type encoding.
768 * testsuite/lib/objc-torture.exp: New file.
769 * testsuite/lib/objc.exp: New file.
771 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
773 * jump.c (jump_optimize): In if/then/else transformations, add
774 another call to modified_between_p for the jump insn.
776 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
778 * fix-header.c (symlink): Treat like readlink.
780 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
782 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
785 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
787 * config/nextstep.h: Update HANDLE_PRAGMA macro.
788 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
789 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
791 * config/nextstep.c (handle_pragma): Take three arguments, as per
792 the new HANDLE_PRAGMA macro specification.
793 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
794 per the new HANDLE_PRAGMA macro specification.
795 * config/i960/i960.c (process_pragma): Take three arguments, as
796 per the new HANDLE_PRAGMA macro specification.
798 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
800 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
801 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
802 if unknown pragmas are encountered.
803 (handle_sysv_pragma): Interpret return code from
804 handle_pragma_token (). Return success/failure indication rather
805 than next unprocessed character.
806 (pragma_getc): New function: retrieves characters from the
807 input stream. Defined when HANDLE_PRAGMA is enabled.
808 (pragma_ungetc): New function: replaces characters back into the
809 input stream. Defined when HANDLE_PRAGMA is enabled.
811 * c-pragma.c (handle_pragma_token): Return success/failure status
814 * c-pragma.h: Change prototype of handle_pragma_token().
816 * varasm.c: (handle_pragma_weak): Only create this function if
817 HANDLE_PRAGMA_WEAK is defined.
819 * c-common,c (decl_attributes): If defined call the expression
820 contained within the INSERT_ATTRIBUTES macro before adding
821 attributes to a decl.
823 * tm.texi (HANDLE_PRAGMA): Document the new verion of
824 HANDLE_PRAGMA, which takes three arguments.
825 (INSERT_ATTRIBUTES): Document this new macro.
827 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
828 new INSERT_ATTRIBUTES macro.
830 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
832 * config/sparc/sparc.md (movdf): Only generate special RTL for
834 (move_label_di): Remove
835 (movdi_pic_label_ref, movdi_high_pic_label_ref,
836 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
838 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
839 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
840 output an .xword for all 64-bit cases.
842 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
844 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
845 alignment, use FUNCTION_BOUNDARY instead.
846 (sparc_output_deferred_case_vectors): Likewise.
848 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
850 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
851 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
853 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
855 * alpha/va_list.h: New file.
856 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
858 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
860 * NEWS: Add SCO Openserver and Unixware 7 notes.
864 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
866 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
867 (record_constant_1): Handle RANGE_EXPR.
869 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
871 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
872 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
873 and NOTE_INSN_RANGE_END specially.
874 (reemit_notes): Likewise.
876 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
878 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
879 (ultrasparc_sched_init): Remove unneeded &.
881 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
883 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
884 for m68020-60, to prevent the use of fintrz.
886 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
888 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
890 * Makefile.in: Likewise.
891 * configure: Regenerated.
893 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
895 * configure.in (gxx_include_dir): Changed to
896 '${prefix}/include/g++'-${libstdcxx_interface}.
897 * configure: Rebuilt.
899 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
901 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
903 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
904 *sequences* *below* which scalar moves will be used.
906 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
908 * collect2.c (mktemp): Delete unused declaration.
910 * config/xm-netbsd.h: Remove unnecessary file.
911 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
912 file anymore, it is not needed.
914 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
916 * convert.c (convert_to_integer): Issue an error on conversions to
919 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
921 * Makefile.in: Add lang_tree_files and gencheck.h.
922 * configure.in: Generate them.
923 * gencheck.c: Include gencheck.h.
925 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
927 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
928 movdi_lo_sum_pic and movdi_high_pic and make visible.
929 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
930 emit these when Pmode is not SImode.
931 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
933 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
935 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
936 .linkonce directive after the first time.
938 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
940 * m68k.md (beq0_di): Generate correct (and more efficient) code when
941 the clobbered operand overlaps with an input.
942 (bne0_di): Similarly.
944 * Makefile.in (INSTALL): Remove "--no-header" argument.
946 * NEWS: Various updates.
948 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
950 * config/sparc/sparc.c (arith_operand, const64_operand,
951 const64_high_operand, arith_double_4096_operand): Mark mode as
953 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
955 (sparc_emit_set_const64): Remove unused variable i.
956 (sparc_splitdi_legitimate): Likewise for addr_part.
957 (ultra_code_from_mask): Likewise for mask.
958 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
959 reverse return values so it matches usage and comments.
960 (ultra_flush_pipeline): Likewise.
961 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
962 this_type, and allow loads and stores of differing FP modes as
963 they do not create a conflict.
964 (ultra_find_type): Initialize fpmode to SFmode, fix
965 parenthesization thinkos in large conditional.
966 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
967 Init free_slot_mask after ultra_cur_hist is reset, not before.
968 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
969 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
970 use ultra_flush_pipeline instead, then re-init group pointer.
971 Fix statement with no effect. If no progress made in, and no
972 instructions scheduled at all, advance to new pipeline cycle else
973 we get into an endless loop.
974 (ultrasparc_adjust_cost): Remove previous arg.
975 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
977 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
979 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
980 code. Use reg_overlap_mentioned_p to detect when source and
982 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
984 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
986 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
987 COMPARISON_VAL, into invariant_p.
989 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
991 * regmove.c (regclass_compatible_p): New function.
992 (regmove_optimize): Use it.
994 Use NREGS parameter insted of calling max_reg_num.
996 (fixup_match_1): Don't use code = MINUS when later tieing with
997 a hard register is likely.
999 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1001 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
1002 COMPARISON_VAL was normalized.
1004 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
1006 * loop.c (check_dbra_loop): The loop ending comparison value
1007 must be an invariant or we can not reverse the loop.
1009 * loop.c (scan_loop): Count down from max_reg_num - 1 to
1010 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
1012 (load_mems_and_recount_loop_regs_set): Likewise.
1014 * i386.c (print_operand): Remove obsolete 'c' docs.
1016 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
1018 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
1019 * frame.c (init_object_mutex): New function.
1020 (init_object_mutex_once): Likewise.
1021 (find_fde): Call it.
1022 (__register_frame_info): Likewise.
1023 (__register_frame_info_table): Likewise.
1024 (__deregister_frame_info): Likewise.
1026 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
1028 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
1030 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1032 * loop.c (check_dbra_loop): Enable code for reversal
1033 of some loops without a known constant loop end.
1035 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
1037 * haifa-sched.c (last_clock_var): New.
1038 (schedule_block): Initialize it.
1039 (schedule_insn): Use it to fill insn modes with issue information.
1041 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
1042 Tag trapb and next insn with TImode.
1043 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
1044 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
1045 Invoke alphaev5_align_insns as appropriate.
1046 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
1047 (MD_SCHED_VARIABLE_ISSUE): New.
1048 * alpha.md (attr type): Add multi.
1049 (define_asm_attributes): New.
1050 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
1051 (arg_home): Likewise.
1052 (fnop, unop, realign): New.
1054 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
1056 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
1057 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
1059 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
1060 (rs6000-ibm-aix4.[12]*): Likewise.
1061 * configure: Regnerate.
1063 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1065 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1066 already contains the return address.
1068 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1070 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1071 word sized hunks when loading unaligned args into registers.
1073 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1074 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1076 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1078 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1080 * loop.c (check_dbra_loop): Add some code that would allow reversal
1081 of some loops without a known constant loop end if it were enabled.
1083 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1085 * mips.md (lshrsi3_internal2+2): Fix type-o.
1087 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1089 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1090 correctly with regards to stdio.h.
1092 * calls.c: Remove stdarg.h/varargs.h.
1095 * combine.c: Likewise.
1096 * cpperror.c: Likewise.
1097 * cpplib.c: Likewise.
1098 * cpplib.h: Likewise.
1099 * doprint.c: Likewise.
1100 * emit-rtl.c: Likewise.
1101 * final.c: Likewise.
1102 * fix-header.c: Likewise.
1104 * genattr.c: Likewise.
1105 * genattrtab.c: Likewise.
1106 * gencodes.c: Likewise.
1107 * genconfig.c: Likewise.
1108 * genemit.c: Likewise.
1109 * genextract.c: Likewise.
1110 * genflags.c: Likewise.
1111 * genopinit.c: Likewise.
1112 * genoutput.c: Likewise.
1113 * genpeep.c: Likewise.
1114 * genrecog.c: Likewise.
1115 * mips-tfile.c: Likewise.
1116 * prefix.c: Likewise.
1117 * protoize.c: Likewise.
1118 * regmove.c: Likewise.
1119 * toplev.c: Likewise.
1122 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1124 * config/sparc/sparc.c (sparc_override_options): If not
1125 TARGET_FPU, turn off TARGET_VIS.
1126 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1127 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1128 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1129 (movdi_insn_sp64): Add VIS fzero alternative.
1130 (clear_sf, clear_df): New VIS patterns.
1131 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1133 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1135 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1137 * loop.c (n_times_set, n_times_used, may_not_optimize,
1138 reg_single_usage): Convert to varrays. All uses changed.
1139 (insert_loop_mem): Return a value.
1140 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1141 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1144 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1147 * configure.in: Do not set thread_file to "irix" since no such
1150 * sparc.md (float abs/neg splits): Check reload_completed before
1151 calling alter_subreg.
1153 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1155 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1157 * config/sparc/sparc.h: Declare it.
1158 * config/sparc/sparc.md (float abs/neg splits): Use it.
1159 (all other splits): Handle SUBREGs properly where necessary.
1160 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1162 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1164 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1165 an insn on the unfilled_slots_list that has no delay slots.
1166 (fill_eager_delay_slots): Similarly.
1168 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1170 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1171 as an ordinary operand.
1173 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1175 * tree.c (valid_machine_attribute): Don't apply attributes to both
1178 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1180 * reload.c (operands_match_p): Handle rtvecs.
1182 * i386.c (legitimate_pic_address_disp_p): New.
1183 (legitimate_address_p): Use it.
1184 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1185 Handle constant pool symbols just like statics.
1186 (emit_pic_move): Use Pmode not SImode for clarity.
1187 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1188 [UNSPEC]: New, handling what we killed above.
1189 [PLUS]: Detect and abort on invalid symbol arithmetic.
1190 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1192 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1194 * alias.c: Include output.h.
1195 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1196 different if we're in a varargs function.
1197 * Makefile.in (alias.o): Depend on output.h
1199 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1201 * sh.h (GIV_SORT_CRITERION): Delete.
1203 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1205 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1206 * stupid.c (stupid_life_analysis): Ditto.
1207 * reload1.c (reload): Ditto.
1209 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1211 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1212 arith_double_4096_operand, arith_double_add_operand): New
1214 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1215 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1216 them to transform add/sub 4096 into add/sub -4096.
1218 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1220 * loop.c (scan_loop): Allocate some slop to handle pseudos
1221 generated by move_movables.
1222 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1225 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1227 * tree.def (DECL_RESULT): Correct documentation.
1229 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1231 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1232 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1233 conflicts will all RELOAD_FOR_OUTPUT reloads.
1235 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1236 loads the function result, substitute with a USE.
1238 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1240 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1241 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1242 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1243 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1244 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1245 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1247 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1248 'o' to 'm' for GPR variant constraints.
1250 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1252 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1254 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1256 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1257 when the source and destination overlap.
1259 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1260 clash with global type.
1262 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1264 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1266 * c-common.c (combine_strings): Also set TREE_READONLY.
1267 Change warn_write_strings to flag_const_strings.
1268 * c-decl.c, c-tree.h: Likewise.
1270 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1272 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1273 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1274 sequence, use SET/IOR instead so CSE can see it.
1275 * config/sparc/sparc.md (movhi_const64_special,
1276 movsi_const64_special): New patterns necessitated by that change.
1277 (movhi_high): Remove.
1278 (movhi_lo_sum): Change to match an IOR.
1279 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1280 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1281 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1282 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1283 registers are involved.
1284 (snesi_zero_extend split): Remove reload_completed test.
1285 (unnamed plus and minus zero_extend sidi splits): Add it.
1287 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1289 * extend.texi: Remove description of extension to explicit
1290 instantiation that is now endorsed by standard C++.
1292 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1294 * config/arc/arc.c (arc_initialize_pic): Remove.
1295 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1296 nothing on any platform and is invoked by no-one, it does not even
1297 appear in the documentation.
1298 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1299 * config/sparc/sparc.c (initialize_pic): Likewise.
1300 (find_addr_reg): Remove this as well, no longer referenced after
1303 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1305 * recog.c (validate_replace_rtx_group): New function.
1306 * recog.h (validate_replace_rtx_group): Declare it.
1307 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1308 the entire group of substitutions.
1310 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1312 * loop.c (load_mems): Fix initializers.
1314 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1316 * config/sparc/sparc.md (TFmode splits): Handle destination
1317 registers being referenced in the address correctly.
1319 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1320 TREE_UNSIGNED, when bitsize of type's mode is larger than
1321 HOST_BITS_PER_WIDE_INT.
1323 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1325 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1326 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1327 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1329 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1332 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1334 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1335 * h8300.h (TINY_DATA_NAME_P): Likewise.
1336 (STRIP_NAME_ENCODING): Handle '&'.
1338 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1339 register (it could be accessed via an outer SUBREG).
1340 (REG_OK_FOR_BASE_P): Likewwise.
1341 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1343 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1346 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1348 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1350 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1351 must be offsettable so the splits can be made.
1353 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1355 * config/i386/winnt.c: Include system.h, not stdio.h to get
1356 sys/param.h pulled in before rtl.h in case the system defines MIN
1359 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1361 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1363 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1365 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1367 * cpplib.c (cpp_define): Handle macros with parameters.
1369 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1371 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1372 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1373 and DImode 64-bit. Use llong for minimal-toc SFmode and
1374 SYMBOL_REF / LABEL_REF 64-bit.
1375 (output_function_profiler): Use llong for profiler label and ld to
1376 load 64-bit label address.
1378 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1380 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1383 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1385 * version.c: Bump for snapshot.
1387 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1389 * version.c: Bump for snapshot.
1391 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1393 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1395 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1397 * tm.texi (Misc): Fix typo "teh".
1399 * tm.texi (PIC): Fix typo "PPIC".
1401 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1402 effect when -O2 and higher.
1403 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1405 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1407 * regclass.c: Changed register set documentation to be consistent
1410 * final.c (final_start_function) Removed redundant test for
1413 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1415 * rtl.h (rtx_function): New type.
1416 (for_each_rtx): New function.
1417 * rtlanal.c (for_each_rtx): Define it.
1419 * recog.c (change_t): New type.
1420 (change_objects, change_old_codes, change_locs, change_olds):
1422 (changes): New variable.
1423 (validate_change): Dynamically allocate room for more changes, if
1424 necessary. Uses changes array instead of change_objects, etc.
1425 (apply_change_group): Use changes array instead of
1426 change_objects, etc.
1428 * loop.c (loop_mem_info): New type.
1429 (loop_mems): New variable.
1430 (loop_mems_idx): Likewise.
1431 (looop_mems_allocated): Likewise.
1432 (scan_loop): Remove nregs parameter.
1433 (next_insn_in_loop): New function.
1434 (load_mems_and_recount_loop_regs_set): Likewise.
1435 (load_mems): Likewise.
1436 (insert_loop_mem): Likewise.
1437 (replace_loop_mem): Likewise.
1438 (replace_label): Likewise.
1439 (INSN_IN_RANGE_P): New macro.
1440 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1441 (scan_loop): Remove nregs parameter, compute it after any new
1442 registers are created by load_mems. Use INSN_IN_RANGE_P and
1443 next_insn_in_loop rather than expanding them inline. Call
1444 load_mems to load memory into pseudos, if appropriate.
1445 (prescan_loop): Figure out whether or not there are jumps from the
1446 loop to targets other than the label immediately following the
1447 loop. Call insert_loop_mem to notice all the MEMs used in the
1448 loop, if it could be safe to pull MEMs into REGs for the duration
1450 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1452 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1454 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1456 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1458 * config/sparc/sparc.c (finalize_pic): Check for the correct
1459 nonlocal_goto_receiver UNSPEC number.
1460 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1461 making note of this dependency existing in sparc.c
1462 (negtf2_notv9 split): Give NEG SFmode.
1463 (negsf2): Fix insn output string.
1465 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1467 * c-common.c (decl_attributes): Issue an error if the argument
1468 to alias is not a string.
1470 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1472 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1473 pending memory flush list.
1475 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1477 (try_combine): Allow combining insns with REG_LIBCALL notes.
1479 * expr.c (emit_block_move): Do not call memcpy as a libcall
1480 instead build up a CALL_EXPR and call it like any other
1482 (clear_storage): Similarly for memset.
1484 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1487 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1490 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1491 and REG_LIVE_LENGTH as successful substitutions are made.
1493 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1495 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1496 statement after end of loop label.
1498 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1500 * config/sparc/sparc.c (ultra_types_avail): New variable.
1501 (ultra_build_types_avail): New function to record mask of insn
1502 types in ready list at this cycle.
1503 (ultrasparc_sched_reorder): Call it.
1504 (ultra_find_type): Use it to quicken the search. Also simplif
1505 dependency check, don't use rtx_equal_p because we know exactly
1506 what we are looking for.
1508 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1510 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1511 for architecture v4.
1513 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1515 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1517 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1518 movdf_const_intreg and helper splits): New patterns to move float
1519 constants into integer registers.
1520 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1523 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1526 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1528 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1530 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1531 a BASE_REGS register is needed as an intermediate when copying
1532 a symbolic value into any register class other than BASE_REGS.
1534 * expr.c (move_by_pieces): No longer static. Remove prototype.
1535 * rtl.h (move_by_pieces): Add extern prototype.
1536 * mips.c (expand_block_move): Handle aligned straight line copy by
1537 calling move_by_pieces.
1539 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
1542 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
1544 * stmt.c (expand_end_loop): Tidy. Allow unconditional
1545 jumps out of the loop to be treated as part of the exit test.
1547 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1548 Jeff Law <law@cygnus.com>
1550 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
1551 * cplus-dem.c: Delete.
1553 * Makefile.in (fold-const.o): depend on $(RTL_H).
1555 * fold-const.c: Include rtl.h to get the prototype for
1556 `set_identifier_local_value'.
1558 * loop.c (express_from_1): Remove unused variable `tmp'.
1559 (combine_givs): cast the first argument of bzero to char *.
1561 * toplev.c (display_help): Remove unused variable `looking_for_start'.
1563 * c-decl.c (init_decl_processing): Remove unneeded &.
1565 * alpha.h (alpha_initialize_trampoline): Provide prototype.
1567 * except.c (set_exception_lang_code, set_exception_version_code):
1568 Change parameter from `short' to `int' to avoid using a gcc
1571 * except.h (set_exception_lang_code, set_exception_version_code):
1572 Likewise for prototypes.
1574 * flow.c (count_reg_references): Remove unused variables `regno'
1577 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
1579 * prefix.c (translate_name): Cast the result of `alloca'.
1581 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
1583 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1585 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
1587 (valid_dbcc_comparison_p): Mark mode argument as unused.
1588 (symbolic_operand): Likewise.
1589 (legitimize_pic_address): Likewise.
1590 (const_uint32_operand): Likewise.
1591 (const_sint32_operand): Likewise.
1592 * sched.c [!INSN_SCHEDULING]: Define only dummy function
1593 schedule_insns and comment out rest of file.
1595 * m68k.c (output_move_simode_const): Use subl to move a zero into an
1597 (output_move_[hq]imode): Likewise.
1599 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
1601 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
1602 * invoke.texi: Corresponding changes.
1604 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
1606 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
1608 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1610 * config/sparc/sparc.c (ultra_code_from_mask,
1611 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
1612 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
1613 ultrasparc_sched_init, ultrasparc_variable_issue,
1614 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
1615 functions to describe UltraSPARC pipeline exactly to Haifa.
1616 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
1617 as there is nothing the scheduler can do about it. Indicate that
1618 REG_DEP_OUTPUT's collide. Fixup formatting.
1619 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
1620 divide costs on Ultra for DImode.
1621 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
1623 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
1624 ieuN and add call_no_delay_slot to type list.
1625 (cti function unit): New unit for branches on UltraSPARC.
1626 (subx/addx insns): Set type to misc.
1627 (sidi zero/sign extension insns on arch64): Set type to shift.
1628 (sign_extendhidi2_insn): Set type to sload.
1630 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
1632 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
1633 (output_epilog): Use if != 0 for offset.
1634 (rs6000_fatal_bad_address): Prepare for Intl.
1635 * rs6000.h (rs6000_fatal_bad_address): Declare.
1636 * rs6000.md (movsfcc, movdfcc): Use else if.
1637 (elf_high): Use {liu|lis}.
1638 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
1639 (movsi): Use rs6000_fatal_bad_address.
1641 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
1643 * reload.c (find_equiv_reg): Reject equivalences separated
1644 by a volatile instruction.
1646 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1648 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
1650 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
1652 * alpha.md (movsicc): Fix mode mismatch.
1654 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
1656 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
1658 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
1660 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1662 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
1663 write-only modifier from operand 1 constraint.
1665 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1667 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
1668 emitting a XOR of -1 at the end, emit a NOT instead for combine's
1670 (sparc_emit_set_const64): Likewise, also when computing trailing
1671 bits do not negate low_bits and make fast_int an int.
1673 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
1675 * loop.c (add_label_notes): Do not ignore references to labels
1676 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
1677 * gcse.c (add_label_notes): Similarly.
1679 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
1681 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1682 (adddi_dishl32): Similarly.
1684 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1686 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1687 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1688 * cse.c (cse_basic_block): Add parens to shut up warnings.
1690 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1692 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1693 sparc_emit_set_const64_longway, const64_is_2insns,
1694 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1695 in 64-bit constant formation.
1696 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1697 rtl for addx not subx.
1698 (define_insn movdi_const64_special): Make available even when
1699 HOST_BITS_PER_WIDE_INT is not 64.
1700 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1701 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1702 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1703 instances of operand 1 inside a QI subreg.
1704 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1705 (one_cmpldi2_sp64): Fix output string.
1706 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1708 (unnamed arch64 ashift DI): Truncate shift count if greater than
1711 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1713 * expr.c (store_expr): Don't optimize away load-store pair
1714 when either source or destination have a side effect.
1716 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1718 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1719 operands of SET are incompatible.
1721 * alpha.md: Fix max and min patterns so modes of SET operands match.
1723 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1725 * configure.in: Avoid [[ by using test and changequote.
1726 * configure: Rebuild.
1728 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1730 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1732 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1733 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1734 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1735 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1736 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1737 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1738 Fix mismatching modes in SET operands.
1739 (conditional move patterns): Fix formatting.
1740 (unnamed subx arch64 pattern): Remove duplicate insn.
1742 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1744 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1745 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1746 (input_operand): Fixup test for what we accept for constant
1748 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1750 (safe_constDI): Remove.
1751 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1752 gen_safe_XOR64): New functions.
1753 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1754 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1756 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1757 available when HOST_BITS_PER_WIDE_INT is not 64.
1758 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1759 move before movdi_insn_sp64 pattern.
1760 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1761 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1762 symbolic_operand as predicate for second operand.
1763 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1764 expander): Give set VOIDmode.
1766 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1768 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1770 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1772 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1774 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1776 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1778 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1780 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1782 * install.texi: Various SCO OpenServer tweaks.
1784 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1786 * reload1.c (eliminate_regs_in_insn): Handle another case when
1787 eliminating the frame pointer to the hard frame pointer. Add
1788 missing ep->to_rtx check to one existing case.
1790 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1792 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1794 * tree.h: De-conditionalize init_priority code.
1796 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1797 * collect2.c (NM_FLAGS): Change from -p to -n.
1799 * configure.in: Turn on collect2 for mipstx39-elf.
1800 Handle use_collect2=no properly.
1802 * c-common.c: De-conditionalize init_priority code.
1803 * collect2.c (extract_init_priority, sort_ids): New fns.
1804 (main): Call sort_ids.
1805 Move sequence_number to file scope.
1807 * configure.in: Handle --enable-init-priority.
1808 * c-common.c (attrs): Add A_INIT_PRIORITY.
1809 (init_attributes, decl_attributes): Likewise.
1810 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
1811 * tree.c (get_file_function_name_long): Split out...
1812 (get_file_function_name): ...from here.
1814 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1816 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
1819 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1821 * toplev.c (display_help): Add braces to shut up warnings.
1822 * tree.c (simple_cst_equal): Likewise.
1824 * fold-const.c (non_lvalue): Don't deal with null pointer
1826 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1828 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
1829 of any size to a pointer.
1831 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
1833 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
1835 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
1837 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
1838 which will be saved.
1839 * mn10300.md (prologue insn): Only save registers which need saving.
1840 (epilogue insn): Similarly.
1842 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
1845 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
1847 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
1848 VAR_DECL's in gp addressable sections.
1850 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
1852 * sparc.c: Change return <exp> to <exp>; return; in functions
1854 * sparc.md: Add empty semicolon statement after final label in
1857 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1859 * config/sparc/sparc.md (define_insn addx_extend): Rename to
1860 addx_extend_sp64, only allow when TARGET_ARCH64.
1861 (define_insn addx_extend_sp32 and split): Version that works when
1863 (define_insn subx_extend): Likewise.
1864 (define_split adddi3 and subdi3 with zero extension): Fixup and
1865 correct bugs when not TARGET_ARCH64.
1867 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
1869 * except.c (set_exception_lang_code, set_exception_version_code):
1870 Use prototype-style definition if __STDC__, to match declaration
1873 * genemit.c: Change FAIL and DONE macros not to use loops.
1875 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
1877 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
1878 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
1880 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
1882 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
1884 * README.g77: Update from Craig.
1886 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1888 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
1890 (safe_constDI sparc_emit_set_const64_quick1,
1891 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1892 analyze_64bit_constant, const64_is_2insns,
1893 create_simple_focus_bits): Fix some bugs when compiled on real
1895 (function_arg_record_value_3, function_arg_record_value_2,
1896 function_arg_record_value): Add fully prototyped forward decls.
1897 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
1898 to cmpsi_insn and use on both 64 and 32 bit targets.
1899 (define_insn cmpsi_insn_sp64): Remove.
1900 (define_expand zero_extendsidi2): Allow for 32-bit target too.
1901 (define_insn zero_extendsidi2_insn): Rename to
1902 zero_extendsidi2_insn_sp64.
1903 (define_insn zero_extendsidi2_insn_sp32): New pattern and
1904 assosciated forced split for it.
1906 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1908 * config/sparc/sparc.h: Declare them.
1909 (PREDICATE_CODES): Add them.
1910 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
1911 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
1913 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
1915 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
1916 in v9 case as the latter makes the Solaris assembler crash.
1918 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1920 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
1921 for TFmode when !v9. We require offsettable memory addresses.
1922 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
1923 DFmode register number conversions.
1924 * config/sparc/sparc.md (define_split DFmode moves): If register
1925 is a SUBREG do alter_subreg on it before using.
1926 (define_expand movtf): Fixup comment about alignment on v9.
1927 (define_split TFmode moves): Don't use gen_{high,low}part, create
1928 explicit SUBREGs instead.
1930 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
1932 * Makefile.in (mbchar.o): Depend on mbchar.c.
1934 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1935 Richard Henderson <rth@cygnus.com>
1937 Rewrite Sparc backend for better code generation and
1938 improved sparc64 support.
1939 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
1941 * config/sparc/sysv4.h: Likewise.
1942 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
1943 move_operand, v8plus_regcmp_op, emit_move_sequence,
1944 singlemove_string, doublemove_string, mem_aligned_8,
1945 output_move_double, output_move_quad, output_fp_move_double,
1946 move_quad_direction, output_fp_move_quad, output_scc_insn):
1948 (small_int_or_double): New predicate.
1949 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
1950 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
1951 old pic_{sethi,lo_sum}_si patterns.
1952 (mem_min_alignment): New generic function to replace
1953 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
1954 available and can test for arbitrary alignments. All callers
1956 (save_regs, restore_regs, build_big_number,
1957 output_function_prologue, output_cbranch, output_return,
1958 sparc_flat_save_restore, sparc_flat_output_function_prologue,
1959 sparc_flat_output_function_epilogue): Prettify
1961 (output_function_epilogue): Likewise and add code to output
1962 deferred case vectors.
1963 (output_v9branch): Likewise, add new arg INSN and use it to tack
1964 on branch prediction settings. All callers changed.
1965 (print_operand): Likewise and output %l44 for LO_SUMs when
1967 (sparc_splitdi_legitimate): New function to make sure DImode
1968 splits can be run properly when !arch64.
1969 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
1970 Reformat example code in comments.
1971 (set_extends): Remove UNSPEC/v8plus_clear_high case.
1972 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
1973 of deferred case vectors we need to output.
1974 (sparc_defer_case_vector): Record a case vector.
1975 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
1976 sparc_output_deferred_case_vectors): New functions to output them.
1977 (sparc_emit_set_const32): New function to form 32-bit constants in
1978 registers when that requires more than one instruction.
1979 (safe_constDI, sparc_emit_set_const64_quick1,
1980 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1981 analyze_64bit_constant, const64_is_2insns,
1982 create_simple_focus_bits, sparc_emit_set_const64): New functions
1983 which do the same for 64-bit constants when arch64.
1984 (sparc_emit_set_symbolic_const64): New function to emit address
1985 loading for all code models on v9.
1986 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
1987 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
1988 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
1989 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
1990 inaccuracies in comments, add symbolic and text_segment operands
1991 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
1992 GENERAL_REGS in these cases as a temp REG is needed to load these
1993 addresses into a register properly.
1994 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
1996 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
1997 quads are guarenteed to have 16-byte alignment.
1998 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
1999 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
2000 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
2001 deferred case vector implementation.
2002 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
2003 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
2004 Generate "internal label - label" instead of "label - 1b".
2005 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
2006 (PREDICATE_CODES): Remove sparc_operand, move_operand,
2007 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
2009 (doublemove_string, output_block_move, output_fp_move_double,
2010 output_fp_move_quad, output_move_double, output_move_quad,
2011 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
2012 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
2013 (sparc_emit_set_const32, sparc_emit_set_const64,
2014 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
2015 mem_min_alignment, small_int_or_double): Add externs.
2016 * config/sparc/sparc.md: Document the many uses of UNSPEC and
2017 UNSPEC_VOLATILE in this backend.
2018 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
2019 unary to types which execute in it.
2020 (define_function_unit ieu_shift): Rename to ieu0.
2021 (define_function_unit ieu1): New, executes compare, call, and
2022 uncond_branch type insns.
2023 (define_function_units for type fdivs, fdivd, fsqrt): These
2024 execute in the fpu multiply unit not the adder on UltraSparc.
2025 (define_expand cmpdi): Disallow TARGET_V8PLUS.
2026 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
2027 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
2028 allows the arith_double_operand predicate and rHI constraint when
2030 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
2031 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
2032 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
2033 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
2034 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
2035 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
2036 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
2037 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
2038 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
2039 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
2040 sign_extendqihi2_insn, sign_extendqisi2_insn,
2041 sign_extendqidi2_insn, sign_extendhidi2_insn,
2042 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
2043 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
2044 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
2045 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
2046 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
2047 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
2048 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
2049 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
2050 smulsi3_highpart_v8plus, unnamed subreg mult,
2051 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
2052 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
2053 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
2054 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
2055 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
2056 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
2057 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
2058 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
2059 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
2060 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2061 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
2062 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2063 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2064 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2065 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2066 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2067 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2068 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2069 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2070 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2071 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2072 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2073 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2074 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2075 call_address_untyped_struct_value_sp32,
2076 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2077 call_value_symbolic_sp32, call_value_address_sp64,
2078 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2079 flush_register_windows, goto_handler_and_restore,
2080 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2081 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2082 return_addsi, return_di, return_adddi, return_sf, all call+jump
2083 peepholes, trap, unnamed trap insns): Prettify output strings.
2084 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2085 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2086 Likewise and force + implement splits for integer cases.
2087 (define_insn return_sf_no_fpu): Likewise and allow to match when
2088 no-fpu because of our subreg SFmode splits.
2089 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2090 zero_extendqidi2_insn, zero_extendhidi2_insn,
2091 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2092 input_operand for second operand.
2093 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2094 reg_or_0_operand for operand 2 so new splits can use it.
2095 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2096 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2098 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2099 CONST_DOUBLEs for operand 2.
2100 (define_insn move_label_di): Likewise and label distance
2101 optimization because it no longer works with new deferred case
2102 vector scheme. To be revisited.
2103 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2104 and allow reg_or_0_operand and J constraint for second operand.
2105 (define_insn jump): Set branch predict taken on V9.
2106 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2107 new deferred case vector scheme.
2108 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2109 (define_insn negdi2_sp32): Force + implement splits.
2110 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2111 one_cmplsi2_not_liveg0 respectively, and create expander of original
2112 names which emit special rtl for TARGET_LIVE_G0.
2113 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2114 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2115 gen_compare_reg, FAIL instead.
2116 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2117 values when trying to reverse condition codes, if they FAIL then
2119 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2120 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2121 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2122 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2123 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2124 set output string to # to indicate they are mandatory splits.
2125 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2126 pic_sethi_di, move_pic_label_si): Remove.
2127 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2128 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2130 (define_expand movsi_pic_label_ref, define_insn
2131 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2132 expander and insns to handle PIC label references and deferred
2134 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2136 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2137 Rewrite to not use emit_move_sequence, make use of new constant
2138 formation code, and new splits for all multi-insn cases.
2139 (define_insn movqi_insn): Remove sethi case, it can never happen.
2140 Use reg_or_zero_operand instead of const0_rtx explicit test,
2141 use input_operand instead of move_operand for source, and use
2142 general_operand now for dest.
2143 (define_insn movhi_insn): Similar but leave sethi case.
2144 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2145 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2146 movhi_lo_sum respectively, prettify output string.
2147 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2148 register when needed on TARGET_LIVE_G0.
2149 (define_insn movsi_insn): Use general_operand and input_operand
2150 for dest and src respectively. Simplify applicability test.
2151 Prettify output strings, and add clr alternative for J
2153 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2154 deprecated std and reg-reg DI moves): Remove and...
2155 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2156 implementation which uses forced splits for all non-single insn
2158 (define_split DI move cases on !arch64): New splits to handle all
2159 situations of 64-bit double register DImode on 32bit, and
2160 unaligned registers and memory addresses for all subtargets.
2161 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2163 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2164 input_operand for dest and src respectively, prettify output
2166 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2167 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2169 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2170 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2171 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2172 movtf_no_e_insn_sp64) Replace with new
2173 implementation which uses forced splits for all non-single insn
2175 (define_split DF move cases): New splits in similar vein to DI
2177 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2178 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2179 movdi_sp64_insn): Remove old v9 code model and constant loading
2181 (define_insn pic_lo_sum_di, pic_sethi_di,
2182 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2183 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2184 embmedany_sethi, embmedany_losum, embmedany_brsum,
2185 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2186 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2187 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2188 scheme, using unspecs, secondary reloads, and one to one sparc
2189 insn to rtl insn mapping for better scheduling and code gen.
2190 (define_expand reload_indi, reload_outdi): Reload helpers for
2191 MEDANY and EMBMEDANY symbol address loading cases which require a
2193 (define_expand movsicc): Remove v8plus_regcmp cases.
2194 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2195 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2196 cmp_diqi_trunc_set): New patterns used by some of the new scc
2198 (define_insn xordi3_sp64_dbl): New pattern used for constant
2199 formation when crossing from 32-bit targets.
2200 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2202 (define_insn addx, subx): Make visible and prettify.
2203 (define_insn adddi3_insn_sp32): Likewise and force split.
2204 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2205 64bit scc split usage.
2206 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2207 zero_extend, subdi3): Force and implement splits.
2209 * final.c (final_scan_insn): Don't output labels if target
2210 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2213 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2214 don't forget to walk inside SEQUENCESs too as these are what the
2215 delay slot scheduler will create.
2217 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2219 * alpha.md (extxl+1,+2): New patterns to work around
2222 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2224 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2225 caused bad assembly code to be generated.
2227 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2229 * netbsd.h: Fix typo.
2231 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2233 * config.sub: Fix typo.
2235 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2237 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2239 (Running Protoize): Typo: Change "ther" into "other".
2241 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2243 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2244 * m68k/netbsd.h: Likewise.
2245 * ns32k/netbsd.h: Likewise.
2246 * sparc/netbsd.h: Likewise.
2248 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2250 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2251 * ginclude/va-clipper.h (va_list): Likewise.
2253 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2255 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2256 load/store multiple instructions unless user overrides.
2258 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2260 * ns32k/netbsd.h: Fix typo.
2262 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2264 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2265 labels with .debugsym if no parallel insns.
2267 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2269 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2270 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2272 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2274 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2275 (AR_FOR_TARGET): Define.
2277 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2279 * dyn-string.h: New file.
2280 * dyn-string.c: Likewise.
2281 * Makefile.in (OBJS): Add dyn-string.o.
2282 (dwarf2out.o): Add dyn-string.h dependency.
2283 (dyn-string.o): List dependencies.
2284 * dwarf2out.c: Include dyn-string.h.
2285 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2286 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2287 prototype. Use dyn_string_append rather than strcat, throughout.
2288 (addr_to_string): Use dyn_string_t.
2290 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2292 Function entry/exit profiling instrumentation:
2293 * expr.h (profile_function_entry_libfunc,
2294 profile_function_exit_libfunc): Declare new variables.
2295 * optabs.c: Define them here.
2296 (init_optabs): Initialize them.
2297 * tree.h (struct tree_decl): New flag
2298 no_instrument_function_entry_exit.
2299 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2300 * c-decl.c (duplicate_decls): Merge it.
2301 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2302 (init_attributes): Use it for "no_instrument_function".
2303 (decl_attributes): Handle it, for functions that have not yet been
2304 compiled. Set decl flag.
2305 * flags.h (flag_instrument_function_entry_exit): Declare new
2307 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2308 (f_options): New option "instrument-functions".
2309 * function.h (struct function): New field instrument_entry_exit.
2310 * function.c (current_function_instrument_entry_exit): New
2312 (push_function_context_to, pop_function_context_from): Save and
2314 (expand_function_start): Set current_ variable, maybe emit return
2315 label and entry profile call.
2316 (expand_function_end): Maybe emit exit profile call.
2318 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2320 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2321 NON_QI_REG_P, pretend the register is SImode.
2323 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2325 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2326 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2327 manufacturer id for ns32k.
2328 * configure: Regenerated.
2329 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2330 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2331 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2332 * config/m68k/netbsd.h: Same.
2333 * config/ns32k/netbsd.h: Same.
2334 * config/sparc/netbsd.h: Same.
2336 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2338 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2339 or UNROLL_COMPLETELY loop that starts with a jump to its
2342 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2344 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2345 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2346 (print_operand, case 'B'): Don't fall through.
2347 (print_operand, case 'S'): Correct mask begin/end computation.
2348 Use HOST_BITS_PER_WIDE_INT.
2349 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2350 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2351 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2352 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2354 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2356 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2357 constraint from second alternative.
2359 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2361 * configure.in: Fix --without/--disable cases for local-prefix,
2362 gxx-include-dir and checking.
2364 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2366 * configure.in (enable_haifa): Set by default for sparc64 too.
2369 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2371 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2372 * i386/winnt.c (associated_type): New fn.
2373 (i386_pe_valid_type_attribute_p): New fn.
2374 (i386_pe_check_vtable_importexport): Remove.
2375 (i386_pe_dllexport_p): Use associated_type.
2376 (i386_pe_dllimport_p): Likewise.
2378 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2379 * i386.c (i386_valid_type_attribute_p): Also accept
2380 attributes for METHOD_TYPEs.
2382 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2384 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2386 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2388 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2390 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2391 them from generating a new base name for each occurence of
2394 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2396 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2398 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2402 * cplus-dem.c (type_kind_t): New type.
2403 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2404 on this paramter, rather than demangling the type again.
2405 (demangle_integral_value): Pass tk_integral.
2406 (demangle_template_: Pass the value returned from do_type.
2407 (do_type): Return a type_kind_t. Pass tk_integral to
2408 demangle_template_value_parm for array bounds.
2409 (demangle_fund_type): Likewise.
2411 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2413 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2416 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2418 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2420 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2422 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2424 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2427 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2429 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2430 (DEBUGGER_ARG_OFFSET): Likewise.
2432 * mn10300.md (movsf): Remove last change. Not needed.
2434 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2436 * c-lex.c (yylex): Fix boundary conditions in character literal and
2437 string literal loops.
2439 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2441 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2442 being invoked incorrectly.
2444 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2445 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2447 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2448 * configure.in: Added i[34567]86-*-win32
2449 * config.sub: Ditto.
2450 * configure: Rebuilt.
2452 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2454 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2455 the frame pointer and compiling PIC code and reload has not completed.
2457 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2460 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2462 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2464 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2466 * Makefile.in (install-info): Only try to update the info
2467 directory file if it exists in the first place.
2469 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2471 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2473 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2475 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2476 CONST_DOUBLE source.
2478 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2480 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2481 strings as the insertion of USER_LABEL_PREFIX.
2482 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2484 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2487 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2489 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2490 already defined type.
2492 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2494 * expr.c (check_max_integer_computation_mode): Allow conversions
2495 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2496 (expand_expr): Likewise.
2498 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2500 * expr.c (expand_expr): Expand RETURN_EXPR.
2502 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2504 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2506 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2508 * dwarf2out.c (output_aranges): Call stripattributes
2509 for TEXT_SECTION references.
2510 (output_line_info): Likewise.
2512 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2514 * profile.c (branch_prob): Call allocate_reg_info after outputting
2515 profile rtl in instrument_arcs.
2517 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2519 * fixinc.irix (math.h): Install wrapper instead of copying.
2521 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2523 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2524 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2525 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2526 lang_flag_0. Added documentation in the flag table.
2528 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2530 * cccp.c (do_include): Fix vax c style include handling.
2532 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2534 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2536 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2538 * fold-const.c (non_lvalue): Don't deal with null pointer
2540 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2542 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
2544 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
2545 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
2546 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
2547 (u_short_cint_operand): Same.
2548 (reg_or_cint_operand): Same.
2549 (logical_operand): Same.
2550 (input_operand): Same.
2551 (reg_or_short_operand): Use u_short_cint_operand.
2553 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
2555 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
2556 but keep the insns and splits. Adjust so when the ultimate destination
2557 is memory, use cvtql.
2559 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
2561 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
2563 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
2565 * gcc.c (do_spec): Call "error" not "warning".
2567 * configure.in: Fix minor problems with gas feature detection code.
2568 * configure: Rebuilt.
2570 * gcc.c (do_spec): Issue a warning for '%[]' usage.
2573 * gcc.c: Delete %[spec] support.
2574 (do_spec_1, case '('): Likewise.
2575 (do_spec_1, case '['): Call error.
2577 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
2579 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
2580 (CPP_SUBTARGET_SPEC): Default to empty string.
2581 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
2582 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
2583 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
2584 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
2586 * alpha/linux.h (CPP_PREDEFINES): Tidy.
2587 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
2588 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
2589 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
2590 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
2591 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
2592 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
2593 * alpha/vxworks.h: Likewise.
2595 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
2597 * mips.md (reload_outsi): Added missing REGNO call.
2598 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
2600 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
2601 another match_operator and compare the codes.
2603 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
2605 * MIPS multiply pattern fixes:
2606 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2607 Add union classes for HI, LO, or HILO plus general registers.
2608 (GENERATE_MADD): Deleted.
2609 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
2610 Add TARGET_MAD to condition.
2611 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
2612 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
2613 "*d" for accumulator, to give preference to LO initially but not
2616 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
2618 * configure.in (enable_c_mbchar): New configure option.
2619 (extra_cpp_objs): Always available now.
2621 * cexp.y (mbchar.h): #include it.
2622 (yylex): Handle Multibyte characters in character literals.
2624 * cccp.c (mbchar.h): #include it.
2625 (main): Set character set based on LANG environment variable.
2626 (rescan): Handle multibyte characters in comments.
2627 (skip_if_group): See above.
2628 (validate_else): See above.
2629 (skip_to_end_of_comment): See above.
2630 (macarg1): See above.
2631 (discard_comments): See above.
2632 (rescan): Handle multibyte characters in string and character literals.
2633 (collect_expansion): See above.
2634 (skip_quoted_string): See above.
2635 (macroexpand): See above.
2636 (macarg1): See above.
2637 (discard_comments): See above.
2638 (change_newlines): See above.
2640 * c-lex.c (mbchar.h): #include it.
2641 (GET_ENVIRONMENT): New macro.
2642 (init_lex): Set character set based on LANG environment variable.
2643 (yylex): Handle multibyte characters in character literals.
2644 (yylex): Handle multibyte characters in string literals.
2646 * Makefile.in (mbchar.o): New target.
2647 (cccp$(exeext)): @extra_cpp_objs@ is always available.
2648 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
2650 * mbchar.[ch]: New files for multibyte character handling.
2652 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2654 * jump.c (jump_optimize): When simplifying noop moves and
2655 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
2656 the PUSHes to rewrite in second loop as we did in the first.
2658 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2660 * cplus-dem.c (demangle_nested_args): Make function definition
2661 static to match the prototype.
2663 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
2665 * alloca.c: Respect USE_C_ALLOCA.
2666 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
2667 * gengenrtl.c (xmalloc): Likewise.
2669 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
2671 * loop.h (struct induction): Add no_const_addval.
2672 * loop.c (the_movables, reg_address_cost): New variables.
2673 (init_loop): Init reg_address_cost.
2674 (loop_optimize): Call end_alias_analysis.
2675 (scan_loop): Init the_movables.
2676 (record_giv): Init induction->no_const_addval.
2677 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
2678 [REG]: Rearrange loop search test to catch more cases.
2679 (general_induction_var): Return success not benefit; take an extra
2680 argument for that. Change all callers.
2681 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2682 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2683 [default]: Search the_movables for additional combinations.
2684 (sge_plus_constant, sge_plus): New functions.
2685 (express_from_1): New function.
2686 (express_from): Always define. Rewrite using express_from_1.
2687 (combine_givs_p): Handle more cases. Ignore address cost.
2688 (cmp_combine_givs_stats): New function.
2689 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2690 (combine_givs): Rewrite to do best-fit combination.
2692 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2693 (fold): Do a complete (A*C)+(B*C) association check.
2695 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2697 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2699 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2701 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2703 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2705 * tree.c (valid_machine_attribute): Only create a new type variant if
2706 there is a decl to use it.
2708 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2710 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2713 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2715 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2718 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2720 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2721 Simplify tests for clearing an address register.
2722 (expand_prologue): Corresponding changes.
2724 * mn10300.md (movXX patterns): Make sure the destination is an
2725 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2726 (logical patterns): Split into expanders + patterns
2727 (zero and sign extension patterns): Similarly.
2728 (shift patterns): Similarly.
2730 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2732 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2733 for the sequence, recording base values.
2735 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2737 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2739 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2741 * gcc.c: Remove ANSI-C ism from --help code.
2743 * toplev.c: Support --help with USE_CPPLIB.
2745 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2747 * configure.in: Rework gas feature code to work with symlink based
2750 * extend.texi: Clarify some issues related to local variables
2751 assigned to explicit registers.
2753 * mn10300.md (mulsi): Turn into expander + pattern.
2755 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2758 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2760 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2762 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2764 * version.c: Bump again to distinguish mainline tree from the
2767 See ChangeLog.0 for earlier changes.
2770 add-log-time-format: current-time-string