1 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * alpha.h: NULL_PTR -> NULL.
13 * m68hc11.h: Likewise.
25 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
28 `bool' parameter to `int'.
30 * hash.c (hash_lookup): Likewise.
32 * hash.h (hash_lookup): Likewise.
34 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
36 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
38 * i386.c (x86_initialize_trampoline): Fix mode of constant.
40 2001-05-03 Geoff Keating <geoffk@redhat.com>
42 * invoke.texi (i386 Options): Delete references to -malign-jumps,
43 -malign-loops, -malign-functions.
44 * i386.c (ix86_align_funcs): Delete.
45 (ix86_align_loops): Delete.
46 (ix86_align_jumps): Delete.
47 (override_options): Mark -malign-* as obsolete. Emulate their
48 behaviour with the -falign-* options. Default -falign-* from
50 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
51 patch of Wed May 2 13:09:36 2001.
53 (LOOP_ALIGN_MAX_SKIP): Delete.
54 (LABEL_ALIGN_AFTER_BARRIER): Delete.
55 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
57 2001-05-04 Andreas Jaeger <aj@suse.de>
59 * except.h: Add prototype declaration for
60 expand_builtin_init_dwarf_reg_sizes.
62 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
64 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
66 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
68 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
70 ("bitcmpqi2"): New pattern for bit-extract and test.
71 ("bitcmphi"): New pattern for bitb/bita instructions.
73 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
75 * gccbug.in: Use a temporary directory when the mktemp command is
78 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
80 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
82 (INITIALIZE_TRAMPOLINE): Call it.
83 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
84 (TRAMPOLINE_TEMPLATE): Remove.
85 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
86 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
89 2001-05-03 David O'Brien <obrien@FreeBSD.org>
91 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
92 and crtendS.o with PIC.
94 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
96 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
98 (___subdi3, ___adddi3): Use x instead of y as index register.
99 (__init_bss_section, __map_data_section): Optimize for 68HC12.
100 (__memset, __memcpy): Likewise.
101 (regs): Put the soft registers in bss for 68HC12.
102 (abort): Use trap to abort for 68hc12.
103 (__mulhi3, __mulhi32): Use emul for 68hc12.
104 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
106 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
108 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
109 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
110 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
111 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
112 Set 68HC12 min offset to -65536.
113 (print_operand): Put parenthesis arround the operand if it refers
114 to a symbol having the same name as a register.
115 (m68hc11_z_replacement): When z register is replaced by its
116 equivalent soft register, force the insn to be re-recognized.
117 (m68hc11_check_z_replacement): Fix the test when destination is
118 the index register and z dies in the insn.
119 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
121 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
123 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
124 costs according to processor variant.
125 (m68hc11_shift_cost): New function to compute shift costs.
126 (m68hc11_rtx_costs): Define costs according to processor variant.
127 (m6811_cost): Costs for 68HC11.
128 (m6812_cost): Costs for 68HC12.
129 (COSTS_N_INSNS): Remove.
131 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
132 (DEFAULT_RTX_COSTS): Remove.
133 (CONST_COSTS): Define costs according to OUTER_CODE.
134 (processor_costs): New struct to define costs.
135 (m68hc11_cost): Pointer to current costs.
137 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
139 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
140 and use m68hc11_notice_keep_cc when using leax/leay.
141 (addhi3 split): Reject split if the insn is handled by
143 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
144 push must be handled in a special way if the source operand uses
145 sp as index register.
146 (m68hc11_notice_keep_cc): New function.
147 (m68hc11_gen_movhi): Use it when an insn changes a register but
149 (m68hc11_gen_movqi): Fix move for 68HC12.
150 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
152 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
154 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
155 and don't pass operands[0] to emit_library_call_value.
157 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
159 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
160 (zero_extendsi split): Simplify and use (zero_extendhi).
161 (*addhi3): Remove 'w' constraint since stack pointer is handled
163 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
164 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
165 (*ashrhi3_const): Fix shift by 7.
166 (*lshrsi3_const16): Fix template.
167 (call, call_value): Fix constraint and predicate.
169 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
171 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
172 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
173 (CC_REGNUM): Likewise.
174 (*unnamed splits): Use above constants instead of hard coded numbers.
175 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
176 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
177 (*return_16bit, *unnamed peepholes): Likewise.
179 2001-05-03 David O'Brien <obrien@FreeBSD.org>
181 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
182 rs6000/rs6000.h twice.
184 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
186 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
187 (CPP_SPEC): Conditionally define MSDOS and GO32.
188 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
189 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
191 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
193 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
195 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
197 2001-05-03 Mark Mitchell <mark@codesourcery.com>
199 * integrate.h (struct inline_remap): Add leaf_reg_map table.
200 * integrate.c (expand_inline_function): Use xcalloc to allocate
202 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
205 2001-05-03 Mark Mitchell <mark@codesourcery.com>
207 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
210 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
212 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
213 linker if -mrelax is given.
214 (TARGET_SWITCHES): Document -mrelax.
216 Re-installed 2001-01-09's patch:
217 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
218 if it's wider than long and the target's long is wider than the
221 2001-05-02 David O'Brien <obrien@FreeBSD.org>
223 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
224 directly include rs6000/rs6000.h. Instead do it in tm.h.
226 2001-05-02 Stan Shebs <shebs@apple.com>
228 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
229 NSConstantString for NeXT-style runtimes.
230 (STRING_OBJECT_GLOBAL_NAME): New macro.
231 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
232 OCTI_STRING_CLASS_DECL.
233 (constant_string_global_id): New macro.
234 (string_class_decl): Ditto.
235 (setup_string_decl): New function.
236 (build_objc_string_object): Use it to build a NeXT runtime
237 compatible string initializer.
239 2001-05-02 Jakub Jelinek <jakub@redhat.com>
241 * tradcpp.c (do_define): Make sure we don't walk past limit.
243 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
245 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
246 offsets if not REG_OK_STRICT.
248 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
249 (INT_REG_OK_FOR_INDEX_P): Likewise.
250 (INT_REG_OK_FOR_BASE_P): Likewise.
251 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
252 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
253 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
254 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
255 REG_OK_FOR_BASE_P. Take an additional parameter.
256 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
257 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
258 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
259 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
260 rs6000_legitimate_address() and use it.
261 * config/rs6000/rs6000.c: Update all callers.
262 (rs6000_legitimate_address): New function.
264 2001-05-02 David Edelsohn <edelsohn@gnu.org>
266 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
267 special_constant conditional blocks together.
269 2001-05-02 Dale Johannesen <dalej@apple.com>
271 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
273 (STRICT_ARGUMENT_NAMING): Define.
274 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
275 function_arg_partial_nregs, setup_incoming_varargs): Remove
276 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
279 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
281 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
283 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
286 * expr.c (store_field): Do nothing except elaborate side-effects if
289 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
291 * c-lex.c: NULL_PTR -> NULL.
293 * emit-rtl.c: Likewise.
295 * genpeep.c: Likewise.
297 * mips-tdump.c: Likewise.
298 * reload1.c: Likewise.
299 * rtlanal.c: Likewise.
301 * stor-layout.c: Likewise.
302 * toplev.c: Likewise.
304 2001-05-01 Per Bothner <per@bothner.com>
306 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
307 call do_pending_stack_adjust before emiting label.
309 2001-05-01 Mark Mitchell <mark@codesourcery.com>
311 * extend.texi: Fix typo.
313 2001-05-01 Stan Shebs <shebs@apple.com>
315 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
316 of UOBJC_MODULES_decl.
317 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
318 (generate_descriptor_table): Ditto.
319 (generate_protocols): Ditto.
320 (generate_protocol_list): Ditto.
321 (generate_classref_translation_entry): Ditto.
323 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
325 * invoke.texi (Optimize Options): Add documentation for `--param
326 max-delay-slot-insn-search' and `--param
327 max-delay-slot-live-search' and reorder --param section.
328 * params.def: Modify initial comment.
329 * params.h (param_info): Add `help' member.
330 * toplev.c (lang_independent_params): Include `help' description.
331 (display_help): Print --param parameters.
333 2001-05-01 Zack Weinberg <zackw@stanford.edu>
335 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
336 Remove references to deleted files.
337 (*-*-openbsd): No need to override xmake_file.
338 (*-*-sysv4): Treat like *-*-sysv.
340 * configure.in: Probe for ldopen in various places, and set up
341 collect2 to be linked with them if found.
342 Don't dink with Windows registry stuff unless $host_os is a
343 Win32 os name. Check to see if we need -ladvapi32.
344 * configure: Regenerate.
346 * Makefile: Get rid of CLIB and HOST_CLIB.
347 Substitute in COLLECT2_LIBS and link collect2 against its contents.
348 * build-make: Get rid of HOST_CLIB.
350 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
351 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
352 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
353 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
354 config/rs6000/x-rs6000: Delete.
356 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
359 24 x-host fragments remain, 0 x-cpu, 3 top level.
361 2001-05-01 Zack Weinberg <zackw@stanford.edu>
363 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
364 * configure: Regenerate.
366 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
368 * Makefile.in (install-headers): Remove redundant dependency.
370 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
372 * c-tree.texi (USING_STMT): Document.
374 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
376 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
377 * c-common.c: Likewise.
378 * c-decl.c: Likewise.
379 * combine.c: Likewise.
380 * rs6000.c: Likewise.
381 * except.c: Likewise.
382 * explow.c: Likewise.
384 * fold-const.c: Likewise.
385 * function.c: Likewise.
388 * integrate.c: Likewise.
390 * objc/objc-act.c: Likewise.
392 * reg-stack.c: Likewise.
393 * reload.c: Likewise.
394 * reload1.c: Likewise.
395 * simplify-rtx.c: Likewise.
397 * varasm.c: Likewise.
399 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
401 * diagnostic.def: New file.
402 * diagnostic.h (diagnostic_t): New enum.
403 * Makefile.in (diagnostic.o): Depend on diagnostic.def
405 2001-04-30 Zack Weinberg <zackw@stanford.edu>
407 * tsystem.h: Test only POSIX for availability of string.h
409 * config.gcc (all systems): If USG appeared in xm_defines,
410 change it to POSIX. If both USG and POSIX appeared, just
411 delete USG. Remove unnecessary quotes around xm_defines
413 (m68k-crds-unos*): Don't #define unos - tested nowhere.
414 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
415 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
416 powerpc-*-linux*): No need to set xm_defines - handled by
417 global settings for *-*-linux*.
419 2001-04-30 Zack Weinberg <zackw@stanford.edu>
421 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
422 Always include gstab.h, not system stab.h. Don't provide
423 default definitions of N_CATCH or N_OPT. Always use the
424 gstab.h variant of STAB_CODE_TYPE.
425 * final.c: Don't include stab.h/gstab.h at all, or provide
426 defaults for N_SLINE and N_SOL.
428 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
429 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
431 * sdbout.c: Always include gsyms.h instead of system syms.h.
433 * configure.in: No need to check for stab.h.
434 * configure, config.in: Regenerate.
435 * Makefile.in (final.o): Don't depend on gstab.h.
437 2001-04-30 Mark Mitchell <mark@codesourcery.com>
438 Richard Henderson <rth@redhat.com>
440 * extend.texi: Improve documentation of volatile asms.
442 2001-04-30 Mark Mitchell <mark@codesourcery.com>
444 * c-tree.texi: Fix thinko.
445 * gcc.texi: Likewise.
447 2001-04-30 Richard Henderson <rth@redhat.com>
449 * c-common.c (c_promoting_integer_type_p): New function, from the
450 corpse of old macro. Properly promote too-small enumerations and
451 booleans. Adjust all callers.
452 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
453 (c_promoting_integer_type_p): Declare.
454 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
455 * c-typeck.c: Likewise.
456 (default_conversion): Remove now redundant boolean check.
458 2001-04-30 Jan Hubicka <jh@suse.cz>
459 Richard Henderson <rth@redhat.com>
461 * regmove.c (try_apply_stack_adjustment): Remove now redundant
463 (combine_stack_adjustments_for_block): Don't combine stack
464 allocation followed by deallocations. Handle grow-up stacks.
466 2001-04-30 Mark Mitchell <mark@codesourcery.com>
468 * fdl.texi: New file.
469 * c-tree.texi: Use the GFDL.
470 * gcc.texi: Likewise.
472 2001-04-30 Stan Shebs <shebs@apple.com>
474 * invoke.texi: Add a section documenting Objective-C options.
476 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
478 * emit-rtl.c (try_split): Copy EH notes to sequence.
480 2001-04-30 Mark Mitchell <mark@codesourcery.com>
482 * regmove.c (record_stack_memrefs): Catch all references to the
485 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
487 * Makefile.in(stmp-fixinc): quote shell assignment values
489 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
491 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
495 * prefix.c: Likewise.
497 2001-04-28 Stan Shebs <shebs@apple.com>
499 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
500 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
501 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
502 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
504 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
505 (NEXT_OBJC_RUNTIME): Define.
507 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
509 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
510 * simplify-rtx.c (simplify_gen_relational): Likewise.
512 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
514 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
515 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
517 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
518 registers in SSE case; fix handling of the immediates.
519 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
520 operands to be in regsiters before reload.
521 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
522 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
523 (abstf,absxf,negtf,negxf splitters): Compute
524 properly the regnum for x86_64.
525 (avsdf2_if_rex64): New.
527 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
529 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
530 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
531 into the constant pool.
532 * jump.c (jump_optimize_1): Remove barrier successors after all
533 the LABEL_NUSES counds have been computed.
534 (delete_barrier_successors): When deleting a tablejump insn, also
535 delete the jump table it uses.
536 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
539 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
541 * pa.c (FRP): Remove erroneous white space in macro definition.
543 2001-04-28 Andreas Jaeger <aj@suse.de>
545 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
547 * extend.texi: Likewise.
550 2001-04-28 Andreas Jaeger <aj@suse.de>
552 * md.texi: Use XX-bit instead of XXbit or XX bit where
555 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
557 * gcc.c (process_command): Allow -l lib in addition to -llib
558 for POSIX compliance. This fixes PR c/2347.
560 * invoke.texi: Update section on Link Options accordingly.
562 2001-04-27 Zack Weinberg <zackw@stanford.edu>
564 * function.c (purge_addressof_1): Remove the duplicate
565 if (code == SET) block. Fold the two if (code == ADDRESSOF)
568 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
570 * except.c (expand_eh_region_start): Don't start a new block.
571 (expand_eh_region_end): Don't end a block.
572 * stmt.c (expand_end_bindings): Don't end EH blocks.
573 (expand_decl_cleanup): Starting an EH region won't change the block.
574 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
575 (is_eh_region): Lose.
578 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
580 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
582 * collect2.c (main): Add `-L' case to remove duplicate entries.
583 (is_in_args): New function to check for a duplicate argument.
584 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
585 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
586 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
587 Define to be nonzero.
589 2001-04-27 Andreas Jaeger <aj@suse.de>
590 Richard Henderson <rth@redhat.com>
592 * md.texi (Machine Constraints): Document additional i386
593 constraints and fix description of "A".
595 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
597 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
599 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
601 * except.c (get_exception_filter): word_mode, not Pmode.
603 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
605 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
606 common to other movsf patterns. Move up so that in future
607 people who change the other patterns will change it too.
608 (movsf_lo_sum): Allow even for soft-float; add appropriate
610 (movsf_high): Likewise.
611 (movsf_high+1): Allow even for soft-float.
613 * function.c (expand_function_end): Always clobber the
614 return registers, even if there is no return label.
616 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
618 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
620 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
622 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
623 (pushqi2_rex64, pushhi2_rex64): Add.
625 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
627 * except.c (expand_eh_region_end_cleanup): Force pending stack
628 adjust before emitting label that branches around cleanup code.
630 2001-04-26 H.J. Lu (hjl@gnu.org)
632 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
634 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
636 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
637 (ASM_OUTPUT_SECTION_NAME): Likewise.
638 (ASM_WEAKEN_LABEL): Likewise.
639 (UNIQUE_SECTION): Likewise.
640 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
641 (ASM_OUTPUT_DESTRUCTOR): Likewise.
642 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
643 (ASM_OUTPUT_SECTION_NAME): Likewise.
644 (ASM_WEAKEN_LABEL): Likewise.
645 (UNIQUE_SECTION): Likewise.
646 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
647 (ASM_OUTPUT_DESTRUCTOR): Likewise.
648 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
649 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
650 (ASM_FILE_START): Likewise.
651 (ASM_OUTPUT_SOURCE_LINE): Likewise.
652 (ASM_DECLARE_OBJECT_NAME): Likewise.
653 (ASM_FILE_END): Likewise.
654 (ASM_DECLARE_FUNCTION_NAME): Likewise.
655 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
656 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
657 (ASM_OUTPUT_CASE_LABEL): Likewise.
658 (ASM_OUTPUT_SKIP): Likewise.
659 (ASM_OUTPUT_ASCII): Likewise.
660 (ASM_OUTPUT_IDENT): Likewise.
661 (READONLY_DATA_SECTION): Likewise.
662 (EXTRA_SECTIONS): Likewise.
663 (EXTRA_SECTION_FUNCTIONS): Likewise.
664 (SELECT_RTX_SECTION): Likewise.
665 (SELECT_SECTION): Likewise.
667 * config/mips/linux.h (INVOKE__main): Undefine.
668 (CTOR_LIST_BEGIN): Likewise.
669 (CTOR_LIST_END): Likewise.
670 (DTOR_LIST_BEGIN): Likewise.
671 (DTOR_LIST_END): Likewise.
672 (SET_ASM_OP): Defined it to ".dummy".
673 (ASM_OUTPUT_DEF): Defined.
674 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
676 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
678 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
679 assembler supports .p2align.
681 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
683 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
685 2001-04-26 Jakub Jelinek <jakub@redhat.com>
687 * integrate.c (expand_inline_function): Check for error_mark_node
690 2001-04-26 Jakub Jelinek <jakub@redhat.com>
692 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
695 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
697 * configure.in (configargs.h): Define thread_model.
698 * configure: Rebuilt.
699 * gcc.c (main): Print it with -v.
701 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
703 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
704 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
707 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
709 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
710 is_redundant_typedef): Use static inline instead of inline static.
712 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
714 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
715 this directory is always searched.
717 2001-04-25 Richard Henderson <rth@redhat.com>
719 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
720 of registers to restore along non eh_return path.
722 2001-04-25 Jakub Jelinek <jakub@redhat.com>
724 * c-format.c (check_format_info_recurse): Handle
725 PLUS_EXPR for format string.
727 2001-04-25 Jakub Jelinek <jakub@redhat.com>
729 * config/ia64/ia64.h (CC1_SPEC): Define.
730 * config/ia64/linux.h (CC1_SPEC): Define.
732 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
734 * emit-rtl.c (constant_subword): Also do sign extension in
735 BITS_PER_WORD == 16 case.
737 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
739 * loop.c (try_swap_copy_prop): Go back to checking insn.
741 2001-04-25 Jakub Jelinek <jakub@redhat.com>
743 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
744 if check_mode is non-zero.
746 2001-04-25 Jakub Jelinek <jakub@redhat.com>
748 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
749 out and comparison sequence has been detected, put result into
750 proper temporary pseudo.
752 2001-04-24 Zack Weinberg <zackw@stanford.edu>
754 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
755 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
756 * libgcc2.c: Remove __dummy and __builtin_saveregs.
757 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
758 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
759 for future reference.
761 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
763 * except.c (reachable_handlers): Step out one level from a RESX.
765 * except.c (struct eh_region): Rename 'last' to 'resume'.
766 (mark_eh_region, duplicate_eh_region_1): Adjust.
767 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
768 (build_post_landing_pads): Likewise.
769 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
770 (expand_eh_region_end_must_not_throw): Likewise.
771 (connect_post_landing_pads): Thread (only) regions with non-deleted
774 * except.c (expand_eh_region_end_cleanup): Save the EH return data
775 registers around the cleanup.
776 (get_exception_filter): New fn.
777 (finish_eh_generation): Use it.
779 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
781 * c-semantics.c (add_scope_stmt): Don't call
782 current_scope_stmt_stack multiple times.
784 2001-04-24 Zack Weinberg <zackw@stanford.edu>
785 Nathan Sidwell <nathan@codesourcery.com>
787 Lazy __FUNCTION__ generation.
788 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
789 RID_C99_FUNCTION_NAME): New _RIDs.
790 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
791 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
792 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
794 (function_id_node, pretty_function_id_node, func_id_node): Remove.
795 (c99_function_name_decl_node, function_name_decl_node,
796 pretty_function_name_decl_node, saved_function_name_decls):
798 (struct language_function): Remove x_function_name_declared_p.
799 (make_fname_decl): Remove a parameter.
800 (declare_function_names): Remove prototype.
801 (start_fname_decls, finish_fname_decls): Prototype.
802 (fname_as_string): Likewise.
803 (fname_string, fname_decl): Likewise.
804 * c-common.c (make_fname_decl): Adjust.
805 (struct fname_var_t): New struct.
806 (fname_vars): New static array.
807 (declare_function_name): Remove.
808 (start_fname_decls, finish_fname_decls): New functions.
809 (fname_as_string): New function from remnants of
810 declare_function_name.
811 (fname_string, fname_decl): New functions.
813 * c-decl.c (c_function_name_declared_p): Remove.
814 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
815 don't call declare_function_name. Call start_fname_decls.
816 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
817 clobber the line number. Call finish_decl.
818 (start_function): Call start_fname_decls.
819 (finish_function): Call finish_fname_decls.
820 Remove c_function_name_declared_p.
821 (push_c_function_context): Don't push c_function_name_declared_p.
822 (pop_c_function_context): Don't pop c_function_name_declared_p.
823 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
824 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
825 (program): Call finish_fname_decls for C.
826 (primary): Add VAR_FUNC_NAME.
827 (reswords): Add slots for __FUNCTION__ et al.
828 (rid_to_yy): Add mappings for __FUNCTION__ et al.
829 (yylexname): If it's a STRING_FUNC_NAME generate the function name
830 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
831 * c-semantics.c (prune_unused_decls): Remove.
832 (finish_stmt_tree): Don't call prune_unused_decls.
833 (genrtl_decl_stmt): Don't prune unused decls here.
835 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
837 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
838 constant pool, use the pool's SYMBOL_REF instead.
840 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
843 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
845 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
846 passing nested NOP_EXPRs to fold.
848 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
850 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
852 2001-04-22 Mark Mitchell <mark@codesourcery.com>
854 * loop.c (loop_delete_insns): Add prototype.
856 2001-04-23 Phil Edwards <pme@sources.redhat.com>
858 * configure.in: Remove ENABLE_STD_NAMESPACE.
859 * config.in: Regenerated.
860 * configure: Regenerated.
862 2001-04-22 Stan Shebs <shebs@apple.com>
864 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
866 * config/rs6000/xm-darwin.h: Remove file.
868 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
870 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
871 (write_c_file_stat): Likewise.
873 * dbxout.c (dbxout_init): Likewise.
875 * profile.c (output_func_start_profiler): Likewise.
877 2001-04-22 Philipp Thomas <pthomas@suse.de>
879 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
880 require it instead of the CVS version.
881 * cpperror.c (v_message): Put a blank before the macro
882 body to not confuse exgettext.
884 2001-04-21 Mark Mitchell <mark@codesourcery.com>
886 * flow.c (proagate_one_insn): Remove useless assignment.
887 * jump.c (delete_insn): Tidy.
888 * loop.c (try_copy_prop): When deleting an instruction with a
889 REG_RETVAL note, delete the entire libcall sequence.
890 (loop_delete_insns): New function.
891 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
892 we're not substituting into them yet.
894 2001-04-21 Kazu Hirata <kazu@hxi.com>
896 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
898 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
900 * config/i960/i960.c (signed_arith_operand): Likewise.
902 * calls.c (expand_call): Fix a comment typo.
904 2001-04-20 Zack Weinberg <zackw@stanford.edu>
906 * configure.in: Probe for times, clock, struct tms, and clock_t.
907 * configure, config.in: Regenerate.
908 * timevar.c: Replace ifdef forest in get_time with (relatively)
909 straightforward series of checks based on autoconf's probes.
911 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
913 * config/pa/som.h (NM_FLAGS): Define.
915 2001-04-20 Bernd Schmidt <bernds@redhat.com>
917 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
919 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
920 * ia64.c (nop_cycles_until): New function.
921 (prev_cycle, prev_first, last_issued): New static variables.
922 (ia64_sched_reorder): Additional arg for clock.
923 On final scheduling pass, emit extra NOPs as needed.
924 Set prev_first and prev_cycle.
925 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
926 (ia64_variable_issue): Set last_issued.
928 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
930 * config/i386/i386.c (ix86_expand_int_movcc,
931 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
933 2001-04-20 Geoff Keating <geoffk@redhat.com>
935 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
936 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
937 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
938 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
939 ctrdi_internal6): In the short-branch case, this insn is only 4
940 bytes long. Reported by Reza Yazdani <reza@apple.com>.
942 2001-04-20 Jakub Jelinek <jakub@redhat.com>
944 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
945 "=u" is used together with "st" resp. "st(1)" clobber.
947 2001-04-20 Jakub Jelinek <jakub@redhat.com>
949 * gcse.c (gcse_main): Fix comment typo.
950 (delete_null_pointer_check): Likewise.
951 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
952 * cse.c (cse_insn): Likewise.
953 * function.c (fixup_var_refs_insns_with_hash): The sequence is
956 2001-04-19 Zack Weinberg <zackw@stanford.edu>
958 * toplev.c: Excise all code for the undocumented -dm option.
959 (float_signal): Call signal just once, unconditionally.
961 2001-04-19 Geoff Keating <geoffk@redhat.com>
963 * fold-const.c (fold): Use first_rtl_op rather than
964 TREE_CODE_LENGTH when looping over parameters of a tree.
965 Correct strange grouping in test for evaluated SAVE_EXPR.
967 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
969 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
970 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
972 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
973 name at 32 total characters.
974 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
975 functions in named sections -- data items can still go into unique
976 sections, but they have normal names (ie $LIT$ and $DATA$).
978 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
981 2001-04-19 DJ Delorie <dj@redhat.com>
983 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
984 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
985 * config/i386/cygwin.h: Likewise.
986 * config/i386/mingw32.h: Likewise.
987 * config/vax/vms.h: Likewise.
988 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
990 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
991 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
992 * config/i386/xm-cygwin.h: Likewise.
993 * config/i386/xm-djgpp.h: Likewise.
994 * config/i386/xm-mingw32.h: Likewise.
995 * config/vax/xm-vms.h: Likewise.
997 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
998 instead of OBJECT_SUFFIX.
999 * collect2.c (find_a_file): Look for files matching the extension
1000 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1001 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1002 TARGET_EXECUTABLE_SUFFIX.
1003 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1004 (make_relative_prefix): Likewise.
1005 (convert_filename): Use TARGET_ suffixes throughout. Remove
1007 (process_command): Likewise.
1008 (do_spec_1): Likewise.
1009 * java/lang.c (init_parse): Likewise.
1011 * gcc.texi : Document four new options matching the pattern
1012 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1013 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1014 documentation for NO_AUTO_EXE_SUFFIX.
1016 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1018 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1019 that language-independent processing should not be done.
1020 * toplev.c (main): Adjust accordingly.
1022 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1023 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1025 * mips.md (reload_outputdi): Require that operand0 be a
1028 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1030 * invoke.texi (-Wshadow): Clarify.
1032 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1034 * loop.c (load_mems): Examine all the instructions in the loop
1035 before concluding that all jumps branch to the first instruction
1038 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1040 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1042 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1044 * cpp.texi (-Wwhite-space): Remove.
1045 (-Wall): -Wall does not imply -Wwhite-space.
1047 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1049 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1050 use it instead of blindly generating a .stabs.
1051 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1053 * xcoffout.c: Don't bother defining default for N_CATCH.
1054 (UNKNOWN_STAB): Use internal_error.
1055 (stab_to_sclass): Remove now-unnecessary aborts.
1056 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1058 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1060 * jump.c (mark_all_labels): Canonicalize the tail recursion
1061 label attached to CALL_PLACEHOLDER insns.
1063 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1065 * output.h (dump_flow_info, free_basic_block_vars,
1066 which_alternative): Delete redundant prototypes.
1068 * rtl.h (bss_section): Likewise.
1070 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1072 * dbxout.c (N_OPT): Define if not available from <stab.h>
1074 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1076 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1077 libraries and native K&R compilers.
1079 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1081 * c-typeck.c (convert_arguments): Don't check for width changes
1084 * invoke.texi (-Wtraditional): Update documentation.
1086 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1088 * toplev.c (output_lang_identify): Delete.
1089 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1090 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1091 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1092 after calling ASM_FILE_END.
1094 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1095 Instead, unconditionally emit an N_OPT stab with string equal
1096 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1098 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1100 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1101 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1102 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1103 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1104 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1105 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1106 config/i370/i370.h, config/i386/beos-elf.h,
1107 config/i386/osf1elf.h, config/i386/osfrose.h,
1108 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1109 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1110 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1111 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1112 config/mips/iris6.h, config/mips/osfrose.h,
1113 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1114 config/sparc/sp64-elf.h:
1115 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1116 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1118 * config/elfos.h, config/freebsd.h, config/linux.h,
1119 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1120 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1121 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1122 of ASM_FILE_START which merely emit a .version directive. Delete
1123 definitions of ASM_FILE_END which merely emit an .ident directive.
1125 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1126 ASM_IDENTIFY_GCC and move part of its logic into
1129 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1130 config/sparc/linux-aout.h: Don't emit .version directive in
1133 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1134 (output_file_start): Correct comment.
1136 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1137 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1139 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1140 * config/rs6000/aix.h: Correct comment.
1142 * config/i386/i386afe.h: Delete.
1143 * config.gcc: Remove references to i386afe.h.
1145 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1146 other macros deleted by this patch were undocumented.
1148 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1150 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1152 * pa.c (secondary_reload_class): SAR<->FP copies require a
1155 * install.texi (mips-mips-bsd): Update list of functions
1156 required to include memmove.
1157 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1158 used functions to include memmove.
1160 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1162 * i386.md (sqrtdf2): SFmode should be DFmode.
1164 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1166 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1167 (find_moveable_store): Likewise.
1169 2001-04-15 Jim Wilson <wilson@redhat.com>
1171 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1173 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1175 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1176 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1178 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1180 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1183 2001-04-14 Alan Modra <amodra@one.net.au>
1185 * pa.c (force_mode): New function.
1186 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1188 2001-04-13 Jim Wilson <wilson@redhat.com>
1190 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1191 (first_instruction): New static variable.
1192 (rtx_needs_barrier): Return 1 for alloc.
1193 (init_insn_group_barriers): Set first_instruction.
1194 (rws_sum): Delete duplicate definition.
1195 (group_barrier_needed_p): Return 0 when first_instruction true.
1196 (safe_group_barrier_needed_p): Save and restore first_instruction
1197 around group_barrier_needed_p call.
1199 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1201 * expr.h (enum libfunc_index): Add LTI_memmove.
1202 (memmove_libfunc): Define macro.
1203 * optabs.c (init_optabs): Initialize memmove_libfunc.
1204 * expr.c (expand_assignment): Use memmove_libfunc instead of
1207 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1209 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1212 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1214 * Makefile.in (reg-stack.o): Depend on reload.h.
1215 (insn-attrtab.o): Depend on flags.h.
1217 * genattrtab (main): Include flags.h in insn-attrtab.c.
1219 * reg-stack.c: Include reload.h.
1221 * sparc.h (flag_pic): Delete redundant declaration.
1223 * output.h (flag_pic): Likewise.
1225 * tree.h (pedantic): Likewise.
1227 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1229 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1231 * jump.c, regmove.c, toplev.c: Include reload.h.
1233 * reload.h (reload_cse_regs): Declare.
1235 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1236 reload_cse_regs, init_reload, mark_home_live, reload,
1237 init_caller_save): Delete redundant prototypes.
1239 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1241 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1243 * regclass.c, ssa.c: Include expr.h.
1245 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1246 gen_move_insn): Delete redundant declarations.
1248 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1250 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1251 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1252 MAKEINFO and MAKEINFOFLAGS too.
1253 (stage4_build): Correctly order -B flags.
1255 2001-04-13 Alan Modra <amodra@one.net.au>
1257 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1258 PIC_OFFSET_TABLE_SAVE_RTX.
1259 (zdepi_cint_p): Describe zdepi insn.
1260 Formatting and white space fixes throughout file.
1262 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1263 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1264 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1265 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1266 (output_64bit_and): Use plain `int's for shift counts.
1267 (output_64bit_ior): Likewise.
1268 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1269 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1272 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1273 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1274 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1275 NEW_HP_ASSEMBLER into one. Kill warnings.
1277 * pa-gas.h: Delete file.
1278 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1279 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1280 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1281 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1283 * config/pa/mill32.S: New file.
1284 * config/pa/mill64.S: New file.
1285 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1286 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1287 * config/pa/t-linux64: New file.
1288 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1289 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1290 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1292 * elfos.h (SELECT_SECTION): Undef before defining.
1293 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1294 (LIB_SPEC): Remove -lmilli.
1295 (DBX_REGISTER_NUMBER): Remove.
1296 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1297 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1298 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1299 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1300 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1301 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1302 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1303 TARGET_GAS): Define.
1304 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1305 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1306 regs if we don't have a prototype.
1307 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1308 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1309 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1310 EH_RETURN_HANDLER_RTX): Define.
1311 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1312 (DWARF_FRAME_REGNUM): Define.
1313 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1314 * pa32-linux.h: New file.
1315 * pa64-linux.h: New file.
1317 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1318 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1319 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1320 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1321 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1322 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1323 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1324 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1325 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1326 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1327 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1328 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1329 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1330 * pa64-hpux.h: New file.
1331 (ASM_FILE_START): Correct typo.
1332 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1333 * config.gcc: Modify for above.
1335 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1337 * jump.c (jump_optimize_1): Don't delete dead stores here.
1338 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1339 prior to running jump optimize before cse2.
1341 2001-04-12 Richard Henderson <rth@redhat.com>
1343 * Makefile.in (regmove.o): Depend on except.h.
1344 * regmove.c: Include it.
1346 2001-04-12 Stan Shebs <shebs@apple.com>
1348 * objc/objc-act.c: Remove all code ifdefed with the never-used
1349 macro OBJC_INT_SELECTORS.
1350 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1351 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1353 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1355 * config/pa/quadlib.c: Add prototypes.
1357 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1359 * bitmap.h (debug_bitmap): Delete redundant prototype.
1361 * rtl.h (get_frame_size): Likewise.
1363 2001-04-12 Jim Wilson <wilson@redhat.com>
1365 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1366 to just emit an fnorm.
1368 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1370 * c-common.h (truthvalue_conversion, type_for_mode,
1371 type_for_size): Delete redundant declarations.
1373 * c-lex.h (is_class_name): Likewise.
1375 * c-tree.h (pedantic, convert, getdecls, gettags,
1376 global_bindings_p, init_decl_processing, insert_block,
1377 maybe_build_cleanup, poplevel, print_lang_decl,
1378 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1379 set_block, incomplete_type_error, build_function_call,
1380 lvalue_or_else, mark_addressable): Likewise.
1382 * expr.h (expand_tree_builtin): Likewise.
1384 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1386 * invoke.texi: Document --param max-gcse-memory.
1388 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1390 * configure.in (errno): Check for declaration.
1391 * configure, config.in: Regenerated.
1393 * system.h (errno): Only declare if not already done.
1395 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1397 * recog.c (general_operand, immediate_operand,
1398 nonmemory_operand): Require CONST_INTs to be sign-extended
1399 values for their modes.
1401 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1403 * expmed.c (store_bit_field): Truncate CONST_INTs.
1404 (expand_mult_highpart, expand_divmod): Likewise.
1405 * expr.c (convert_modes, store_field): Likewise.
1406 * integrate.c (expand_inline_function): Use promote_mode() to
1407 determine whether to convert_modes() an argument as signed
1409 * optabs.c (expand_binop): Get CONST_INT operands
1410 sign-extended for their appropriate modes.
1411 * stmt.c (emit_case_nodes): Convert node values to the
1413 (expand_end_case): Convert minval and range to the appropriate
1415 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1416 the iteration variable.
1417 * varasm.c (immed_double_const): Don't require words to be
1418 narrower than host wide ints to properly sign-extend
1421 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1423 * sh.md (builtin_setjmp_receiver): New expander.
1425 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1427 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1428 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1429 for generating CONST_INT and CONST_DOUBLE.
1431 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1433 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1434 already sign-extended.
1435 (rs6000_emit_prologue): Make register iterator signed.
1436 (rs6000_emit_epilogue): Likewise.
1437 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1439 (movsf split, movdf split): Sign-extend CONST_INTs.
1440 (movdi splits): Likewise.
1442 2001-04-12 Kelley Cook <kelley.cook@home.com>
1444 * config-lang.in (lang_dirs): Add in zlib.
1446 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1448 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1449 operands that make it to RTL.
1451 2001-04-11 Stan Shebs <shebs@apple.com>
1453 Add Darwin (Mac OS X kernel) native support.
1454 * config.gcc (powerpc-*-darwin*): Add native bits.
1455 * config/darwin.c: New file, generic Darwin support functions.
1456 * config/darwin.h: New file, generic Darwin definitions.
1457 * config/darwin-protos.h: New file, generic Darwin prototypes.
1458 * rs6000/darwin.h: New file, Darwin for PowerPC.
1459 * rs6000/t-darwin: New file, Darwin makefile fragment.
1460 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1461 (TARGET_MACHO): Ditto.
1462 (rs6000_abi): Add ABI_DARWIN.
1463 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1464 (RS6000_SAVE_AREA): Ditto.
1465 (FP_ARG_MAX_REG): Ditto.
1466 (RETURN_ADDRESS_OFFSET): Ditto.
1467 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1469 (rs6000_emit_move): Add ABI_DARWIN cases.
1470 (print_operand): Ditto.
1471 (first_reg_to_save): Ditto.
1472 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1473 (debug_stack_info): Ditto.
1474 (rs6000_emit_prologue): Ditto.
1475 (rs6000_emit_epilogue): Ditto.
1476 (output_profiler_hook): Ditto.
1477 (output_function_profiler): Ditto.
1478 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1479 (output_mi_thunk): Add TARGET_MACHO case.
1480 (add_compiler_stub): Ditto.
1481 (output_compiler_stub): Ditto.
1482 (no_previous_def): Ditto.
1483 (output_call): Ditto.
1484 (machopic_output_stub): Ditto.
1485 (rs6000_machopic_legitimize_pic_address): Ditto.
1486 (toc_section): Ditto.
1487 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1488 (macho_high): Ditto.
1491 (load_macho_picbase): Ditto.
1492 (call): Add TARGET_MACHO case to modify function.
1493 (call_value): Ditto.
1494 (call_nonlocal_sysv): Add ABI_DARWIN case.
1495 (call_value_nonlocal_sysv): Ditto.
1496 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1498 (machopic_output_stub): Ditto.
1499 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1501 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1503 * dwarf2out.c (modified_type_die): Don't create new types here.
1504 * tree.h (get_qualified_type): New function.
1505 (build_qualified_type): Adjust comment.
1506 * tree.c (get_qualified_type): New function.
1507 (build_qualified_type): Use it.
1509 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1511 * cpp.texi (-Wtraditional): Update description.
1513 * invoke.texi (-Wtraditional): Likewise.
1515 2001-04-11 Jim Wilson <wilson@redhat.com>
1517 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1518 requires more than 64 bits of alignment.
1520 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1522 * cpplib.c (do_line): Sanity check iff enable checking.
1524 2001-04-11 Richard Henderson <rth@redhat.com>
1526 * Makefile.in (insn-recog.o): Depend on toplev.h.
1527 (insn-emit.o, doloop.o): Likewise.
1528 * genrecog.c, genemit.c: Include toplev.h in generated file.
1529 * doloop.c: Include toplev.h.
1531 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1533 * Makefile.in (gcse.o): Depend on params.h.
1534 * gcse.c: Include params.h.
1535 (gcse_main): Don't do GCSE if doing so will take inordinate
1537 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1538 * params.h (MAX_GCSE_MEMORY): New macro.
1540 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1542 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1544 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1546 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1548 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1550 * real.h (ereal_atof, real_value_truncate, target_isnan,
1551 target_isinf, target_negative, assemble_real, debug_real): Delete
1552 redundant prototypes.
1554 * Makefile.in (ifcvt.o): Depend on toplev.h.
1556 * c-semantics.c: Include expr.h.
1558 * ifcvt.c: Include toplev.h.
1560 * expr.h (rtx_equal_p): Delete prototype.
1562 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1563 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1564 eliminate_constant_term, expand_complex_abs, find_single_use,
1565 make_tree, init_expr_once, init_optabs, supports_one_only):
1568 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1569 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1570 expand_assignment, store_expr, emit_line_note_after,
1571 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1573 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1575 * sparc-protos.h: Delete redundant prototypes.
1577 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1579 * reload.c (push_reload): Add condition missed in SUBREG byte
1582 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1584 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1586 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1588 * i386.md (floatsisf_sse): Fix output template
1589 * i386.c (ix86_expand_fp_movcc)
1591 * reg-stack.c (emit_pop_insn): Handle complex modes.
1592 (move_for_stack_reg): Emit proper move mode.
1593 (subst_stack_regs_pat): Handle complex modes.
1595 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1597 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1599 2001-04-10 Richard Henderson <rth@redhat.com>
1601 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1602 (__pure_virtual, __terminate, __terminate_set_func,
1603 __default_terminate, __throw_type_match, __empty,
1604 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1605 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1606 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1607 Remove prototypes of deleted functions.
1609 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1611 * c-typeck.c (convert_arguments): -Wtraditional now activates
1612 -Wconversion warnings, except for changes in signed-ness.
1613 Detect complex<->int & int<->complex conversions as well.
1615 * invoke.texi (-Wtraditional): Document it.
1617 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1619 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1620 * flow.c (set_block_for_new_insns): Remove needless cast and
1621 properly check for unset block number.
1623 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1625 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1626 the subreg was a hard register. Pseudos are left as subregs.
1628 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1630 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1631 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1632 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1633 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1634 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1636 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1638 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1640 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1642 * output.h (set_block_num): Missed it earlier, remove deprecated
1645 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1647 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1648 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1649 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1650 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1651 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1652 (expr_killed_p): Change bb parameter from int to basic_block, pass
1653 basic_blocks instead of ints as parameters.
1654 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1655 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1656 from int to basic_block, pass basic_blocks instead of ints as parms.
1657 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1658 parameter from int to basic_block, pass basic_blocks instead of ints.
1659 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1660 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1661 pass basic_blocks instead of ints.
1662 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1663 basic_blocks instead of ints as parameters.
1664 (pre_delete): Pass basic_blocks instead of ints as parameters.
1665 (hoist_expr_reaches_here_p): Change bb parameter from int to
1666 basic_block, pass basic_blocks instead of ints.
1667 (hoist_code): Pass basic_blocks instead of ints as parameters.
1668 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1669 Change bb parameter from int to basic_block.
1670 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1671 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1672 pass basic_blocks instead of ints.
1673 (insert_store): Pass basic_blocks instead of ints as parameters.
1674 (replace_store_insn, delete_store): Change bb parameter from int to
1675 basic_block, pass basic_blocks instead of ints.
1676 (store_motion): Pass basic_blocks instead of ints as parameters.
1678 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1680 * basic-block.h (set_new_block_for_insns): New Prototype.
1681 (set_block_num): Delete prototype.
1682 * flow.c (set_block_num): Remove obsolete function.
1683 (set_block_for_new_insns): Set BB for single or multiple insns.
1684 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1685 (process_insn_end_bb): Use set_block_for_new_insns or
1686 set_block_for_insn instead of set_block_num.
1687 (pre_insert_copy_insn): Use set_block_for_new_insns.
1688 (update_ld_motion_stores): Use set_block_for_new_insns.
1689 (insert_insn_start_bb): Use set_block_for_new_insns.
1690 (replace_store_insn): Use set_block_for_new_insns.
1692 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1693 Jeff Law <law@redhat.com>
1695 * alias.c (get_addr): Externalize.
1696 (canon_true_dependence): New function. Behaves like true_dependance
1697 except it already assumes a MEM has been canonicalized.
1698 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1699 * gcse.c (struct ls_expr): Add load/store expressions structure.
1700 (modify_mem_list, canon_modify_mem_list): New variable.
1701 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1702 load motion and store motion if requested.
1703 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1704 (free_gcse_mem): Free the modify_mem_list array.
1705 (oprs_unchanged_p): Use load_killed_in_block_p.
1706 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1707 (mems_conflict_for_gcse_p): New function. Don't kill loads
1708 with stores to themselves if its in the load/store expression list.
1709 (load_killed_in_block_p): New function.
1710 (canon_list_insert): New Function.
1711 (record_last_mem_set_info): Keep a list of all instructions which
1712 can modify memory for each basic block.
1713 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1714 (oprs_not_set_p): Use load_killed_in_block_p.
1715 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1716 (expr_killed_p): Use load_killed_in_block_p.
1717 (compute_transp): Do not pessimize memory references.
1718 (pre_edge_insert): Update stores for a load motion expression.
1719 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1720 (ldst_entry): Find or create a ldst_expr structure.
1721 (free_ldst_entry): Free memory for an individual item.
1722 (free_ldst_mems): Free entire load/store expression list.
1723 (print_ldst_list): Print debug info.
1724 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1725 (enumerate_ldsts): Assign integer values to each entry in list.
1726 (first_ls_expr): First expression in the list.
1727 (next_ls_expr): Next expression in the list.
1728 (simple_mem): Check if expression qualifies for ld/st expression list.
1729 (invalidate_any_buried_refs): Remove from expression list if its
1730 used in some other way we dont understand.
1731 (compute_ld_motion_mems): Find all potential enhanced load motion
1733 (trim_ld_motion_mems): Remove any expressions which are invalid.
1734 (update_ld_motion_stores): Copy store values to registers for loads
1735 which have been moved.
1736 (regvec, st_antloc, num_store): New global statics.
1737 (reg_set_info): Marks registers as set.
1738 (store_ops_ok): Verfies registers expressions are valid in a block.
1739 (find_moveable_store): Look for moveable stores in a pattern.
1740 (compute_store_table): Find stores in a function worth moving, maybe.
1741 (load_kills_store): Check dependance of a load and store.
1742 (find_loads): Find any loads in a pattern.
1743 (store_killed_in_insn): Check if a store is killed in an insn.
1744 (store_killed_after): Check is store killed after an insn in a block.
1745 (store_killed_before): Check is store killed before an insn in a block.
1746 (build_store_vectors): Generate the antic and avail vectors.
1747 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1748 (insert_store): Add a store to an edge.
1749 (replace_store_insn): Replace a store with a SET insn.
1750 (delete_store): Delete a store insn.
1751 (free_store_memory): Free memory.
1752 (store_motion): Perform store motion.
1753 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1754 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1755 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1756 (f_options): Add gcse-lm and gcse-sm.
1758 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1760 * i386.c (expand_fp_movcc): Fix condition reversal code.
1762 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1763 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1764 (CLASS_MAX_NREGS): Use it.
1766 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1767 handle properly complex values.
1768 (CLASS_MAX_NREGS): Likewise; update comment.
1770 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1772 * ia64.c (ia64_flag_schedule_insns2): New variable.
1773 (ia64_override_options): Initialize it. Clear
1774 flag_schedule_insns_after_reload.
1775 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1777 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1779 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1780 Do not require source to match destination anymore;
1781 Add abort to the nontrivial cases that should be handled by split.
1782 (fix_trunc?fdi): Add SSE case for x86_64.
1783 (floatdi?f): Likewise.
1784 (floatdi?f_sse): New.
1785 (fix_trunc?fdi_sse): New.
1787 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1789 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1790 (DEBUG_ARANGES_END_LABEL): Ditto.
1791 (dwarfout_init): Generate length and version fields at the start
1792 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1793 after the length field.
1794 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1795 the .debug_aranges info.
1797 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1799 * i386.c (call, call_value): Make sure that resulting call_insn
1800 does have proper second operand.
1802 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1804 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1805 function. Remove include of sys/cygwin.h.
1807 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1809 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1810 (CPP_SPEC): Always search */include/w32api for header files.
1811 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1812 (LINK_SPEC): Add "cyg" to the library search prefixes.
1814 2001-04-08 Philip Blundell <philb@gnu.org>
1816 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1818 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1820 * cpperror.c (print_location): Don't special case <stdin>.
1821 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1822 WARNING, but we don't check if we're in system headers.
1823 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1824 * cpplib.c (do_warning): Warn in system headers.
1826 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1828 * mbchar.c: Include config.h first.
1830 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1832 * config.gcc: Set default for xmake_file at top, not bottom.
1833 Change places that set xmake_file to "none" to set to the
1834 empty string instead, or remove them entirely if there is no
1835 default xmake_file for this cpu_type. Remove references to
1838 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1839 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1840 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1841 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1842 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1843 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1844 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1845 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1846 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1847 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1850 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1851 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1852 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1853 config/mips/x-sysv, config/rs6000/x-aix31:
1854 Just set CLIB to -lld or -lmld, as appropriate.
1856 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1857 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1858 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1859 config/mips/x-iris, config/pa/x-pa:
1860 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1861 OTHER_FIXINCLUDES_DIRS.
1863 * config/i386/x-djgpp: Don't set LN or LN_S.
1864 * config/m88k/x-dolph: Don't define __m88k__.
1865 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1866 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1867 * config/i860/fx2800.h: No need to #undef SVR4.
1869 38 x-host fragments remain, 2 x-cpu.
1871 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1873 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1875 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1877 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1879 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1881 * configure.in: Add check for lstat.
1882 * configure, config.in: Regenerate.
1883 * cppinit.c (append_include_chain): Make empty path ".".
1884 * cpplib.c (do_line): Don't simplify #line paths.
1885 * cppfiles.c (remove_component_p): New function.
1886 (find_or_create_entry): Acknowledge stat () errors during
1887 path simplification.
1888 (handle_missing_header): Don't simplify paths.
1889 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1890 the empty path untouched. Don't leave a trailing '/'.
1892 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1894 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1895 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1897 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1899 * cppfiles.c (open_file): Fail directories silently, but
1900 with an errno of NOENT set.
1901 (read_include_file): Move the common exit code to the sole
1902 caller. Return an int indicating success or failure. Let
1903 open_file handle directories.
1904 (stack_include_file): If read_include_file fails,
1905 push a "null" buffer.
1907 2001-04-05 DJ Delorie <dj@redhat.com>
1909 * function.h (virtuals_instantiated): Declare.
1910 * function.c: (virtuals_instantiated): Make global.
1911 * calls.c (emit_library_call_value_1): Use
1912 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1913 Otherwise, use the stack pointer directly.
1915 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1917 * i386.c (x86_initialize_trampoline): New global function.
1918 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1919 (INITIALIZE_TRAMPOLINE): Move offline.
1920 * i386-protos.h (x86_initialize_trampoline): Declare.
1922 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1924 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1925 (lea_0): Rename to lea_1.
1926 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1927 (lea_general_?): Allow SImodes on TARGET_64BIT
1928 (lea_general_?_zext): New patterns.
1929 (call_1, call_1_rex64): Fix.
1931 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1933 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1935 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1937 * i386.c (function_arg): Return constm1_rtx for last argument.
1938 (ix86_expand_prologue): Update gen_call calls.
1939 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1940 * i386.md (call_pop): Likewise.
1941 (call): Second operand is VOIDmode.
1942 (call_0): Likewise; Support 64bits.
1943 (call_exp): New expander.
1944 (call_1): Get to the sync.
1945 (call_1_exp): New pattern.
1946 (call_value): Support 64bit.
1947 (call_value_exp): New pattern.
1948 (untyped_call): Update gen_call call.
1949 (call_value_pop): Disable for 64bit.
1950 (call_value_0_rex64): New pattern.
1951 (call_value_1_rex64): Likewise.
1953 2001-04-05 Bo Thorsen <bo@suse.de>
1955 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1957 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1959 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1960 satisfies ANY_QI_REG_P.
1962 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1964 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1967 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1970 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1972 * config.gcc: Remove default for xm_file. Clean up local
1973 machine type handling. Remove settings of xm_file to
1974 something that doesn't exist. In the big switch, set xm_file,
1975 don't append to it (the value before the big switch is always
1976 null). Don't force build_xm_file or host_xm_file to have a value.
1977 * configure.in: Remove default for xm_file. Do not special
1978 case $cpu/xm-$cpu.h not existing.
1979 * configure: Regenerate.
1981 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1983 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1984 when folding integer division and modulo operations.
1986 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1988 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1989 instead of DWARF2_ADDR_SIZE for EH addresses.
1990 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1993 2001-04-04 Richard Henderson <rth@redhat.com>
1995 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1996 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1997 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1999 2001-04-04 Richard Henderson <rth@redhat.com>
2001 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2002 * configure: Rebuilt.
2004 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2006 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2007 push insns to delete to it instead of deleting them.
2008 (delete_null_pointer_checks): Delete insns from delete_list after
2009 all delete_null_pointer_checks_1 passes are done.
2011 2001-04-04 Richard Henderson <rth@redhat.com>
2013 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2014 * configure: Rebuilt.
2016 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2018 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2019 * config/romp/xm-romp.h: Delete.
2021 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2023 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2026 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2028 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2029 all labels present in rtx.
2030 (try_split) Call new function for all split insns.
2032 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2034 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2035 sure the change won't be validated.
2037 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2039 * rtl.h (set_noop_p): Declare.
2040 * flow.c (set_noop_p): Move from here ...
2041 * rtlanal.c (set_noop_p): ... to here and enhance.
2042 * cse.c (delete_trivially_dead_insns): Use it.
2043 * gcse.c (hash_scan_set): Likewise.
2044 * jump.c (delete_noop_moves): Likewise.
2045 * recog.c (split_all_insns): Likewise.
2047 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2049 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2050 stack pointer via a LO_SUM. Ditto for setting a temp register
2051 used to save to the stack. Set cfa_temp when setting fp, and
2052 allow matches to cfa_temp in addition to cfa_store when saving
2053 regs. Handle POST_INC and LO_SUM register stores. Document the
2054 changes and errors in rule 12 doco.
2056 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2057 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2058 (load_reg): Move closer to epilogue code.
2059 (DO_FRAME_NOTES): Define to control the following..
2060 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2061 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2063 (hppa_expand_epilogue): Likewise.
2065 2001-04-03 Richard Henderson <rth@redhat.com>
2067 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2068 * configure: Rebuild.
2070 2001-04-03 Richard Henderson <rth@redhat.com>
2072 * rtl.h (LCT_THROW): New.
2073 * calls.c (emit_library_call_value_1): Handle it.
2074 * except.c (connect_post_landing_pads): Use it.
2076 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2078 * gansidecl.h: Delete file.
2079 * configure.in: Change all refs to gansidecl.h to use
2080 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2082 * configure: Regenerate.
2084 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2085 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2086 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2087 Don't include gansidecl.h.
2088 * intl.c, main.c, version.c, fixinc/fixlib.h,
2089 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2092 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2094 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2097 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2099 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2100 config/i386/xm-next.h, config/i386/xm-sco.h,
2101 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2102 config/m88k/xm-m88k.h: Delete.
2104 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2105 * config/romp/xm-romp.h: Don't define bcopy.
2106 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2107 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2109 * config.gcc: Remove references to deleted files.
2111 14 xm-host.h remain, 1 xm-cpu.h.
2113 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2114 David S. Miller <davem@pierdol.cobaltmicro.com>
2115 Andrew MacLeod <amacleod@redhat.com>
2117 Use byte offsets in SUBREGs instead of words.
2119 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2120 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2121 to pass new argument.
2122 (add_stored_regs): Use subreg_regno_offset function.
2123 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2125 (precompute_arguments): Use gen_lowpart_SUBREG.
2126 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2127 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2128 (simplify_set): Rework to use SUBREG_BYTE.
2129 (expand_field_assignment): Use SUBREG_BYTE.
2130 (make_extraction): Use SUBREG_BYTE.
2131 (if_then_else_cond): Use SUBREG_BYTE.
2132 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2133 (gen_lowpart_for_combine): Compute full byte offset.
2134 * cse.c (mention_regs): Use SUBREG_BYTE.
2135 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2136 (canon_hash): Use SUBREG_BYTE.
2137 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2138 (gen_lowpart_if_possible): Formatting.
2139 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2141 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2142 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2143 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2144 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2145 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2146 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2147 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2148 certain invariants about SUBREGs the compiler creates.
2149 (gen_lowpart_SUBREG): New function.
2150 (subreg_hard_regno): New function to get the final register number.
2151 (gen_lowpart_common): Use SUBREG_BYTE.
2152 (gen_imagpart): Spacing nits.
2153 (subreg_realpart_p): Use SUBREG_BYTE.
2154 (gen_highpart): Use SUBREG_BYTE.
2155 (subreg_lowpart_p): Always compute endian corrected goal offset,
2156 even at the byte level, then compare against that.
2157 (constant_subword): New function, pulled out all constant cases
2158 from operand_subword and changed second argument name to offset.
2159 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2160 and call constant_subword to do the work. Return const0_rtx if
2161 looking for a word outside of OP.
2162 (operand_subword_force): Change second arg name to offset.
2163 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2164 (store_split_bit_field): Use SUBREG_BYTE.
2165 (extract_bit_field): Use SUBREG_BYTE.
2166 (extract_split_bit_field): Use SUBREG_BYTE.
2167 (expand_shift): Use SUBREG_BYTE.
2168 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2169 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2170 * flow.c (set_noop_p): Use SUBREG_BYTE.
2171 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2172 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2173 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2175 (optimize_bit_field): Use SUBREG_BYTE.
2176 (purge_addressof_1): Use SUBREG_BYTE.
2177 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2178 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2179 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2180 * gengenrtl.c (special_rtx): Add SUBREG.
2181 * global.c (mark_reg_store): Use SUBREG_BYTE.
2182 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2183 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2184 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2185 final byte offset is congruent to subreg's mode size.
2186 (subst_constants): Use SUBREG_BYTE.
2187 (mark_stores): Use subreg_regno_offset function.
2188 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2189 function and SUBREG_BYTE.
2190 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2191 (reg_is_born): Use subreg_hard_regno.
2192 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2193 endian correction code. Don't combine subregs unless resulting
2194 offset aligns with type. Fix subreg constant extraction for DImode.
2195 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2196 (general_operand): Remove dead mode_altering_drug code.
2197 (indirect_operand): Use SUBREG_BYTE.
2198 (constrain_operands): Use subreg_regno_offset function.
2199 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2200 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2201 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2202 * regs.h (REG_SIZE): Allow target to override.
2203 (REGMODE_NATURAL_SIZE): New macro which target can override.
2204 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2205 on the entire subreg rtx.
2206 (push_reload): Use SUBREG_BYTE in comments and code.
2207 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2208 for hard registers inside subregs.
2209 (operands_match_p): Use subreg_regno_offset.
2210 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2211 containing hard regs.
2212 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2213 corrections when fixing up MEM subregs.
2214 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2215 subreg_regno_offset where appropriate.
2216 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2217 byte endian corrections when fixing up MEM subregs.
2218 (subst_reloads): When combining two subregs, make sure final
2219 offset is congruent to subreg's mode size.
2220 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2221 (refers_to_regno_for_reload_p): Use subreg_regno.
2222 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2223 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2224 correction code for memory subreg fixups.
2225 (forget_old_reload_1): Use subreg_regno_offset.
2226 (choose_reload_regs): Use subreg_regno.
2227 (emit_input_reload_insns): Use SUBREG_BYTE.
2228 (reload_combine_note_store): Use subreg_regno_offset.
2229 (move2add_note_store): Use subreg_regno_offset.
2230 * resource.c (update_live_status, mark_referenced_resources): Use
2231 subreg_regno function.
2232 (mark_set_resources): Use subreg_regno function.
2233 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2234 (subreg_regno_offset, subreg_regno): Define prototypes.
2235 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2236 (gen_lowpart_SUBREG): Add prototype.
2237 * rtl.texi (subreg): Update to reflect new byte offset representation.
2238 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2239 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2240 (reg_overlap_mentioned_p): Use subreg_regno.
2241 (replace_regs); Make sure final offset of combined subreg is
2242 congruent to size of subreg's mode.
2243 (subreg_regno_offset): New function.
2244 (subreg_regno): New function.
2245 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2246 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2247 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2248 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2249 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2250 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2251 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2252 (print_operand): Use SUBREG_BYTE.
2253 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2254 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2255 (arm_reload_out_hi): Use SUBREG_BYTE.
2256 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2257 instead of SUBREG_WORD.
2258 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2259 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2260 SUBREG creation to use byte offset.
2261 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2262 inverted load insns): Fix explicit rtl subregs to use byte
2264 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2265 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2266 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2267 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2268 to use byte offsets.
2269 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2270 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2271 offsets, also make sure it is congruent to SUBREG's mode size.
2272 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2273 unnamed ldob insn): Generate SUBREGs with byte offset.
2274 (zero_extendqihi2): SUBREG's are byte offsets.
2275 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2276 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2277 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2278 zero-extendqisi2): Generate SUBREGs with byte offset.
2279 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2280 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2281 subregs in rtl to use byte offsets.
2282 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2283 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2284 (mips_move_2words): Use subreg_regno_offset.
2285 (mips_secondary_reload_class): Use subreg_regno_offset.
2286 * config/mips/mips.md (DImode plus, minus, move, and logical op
2287 splits): Fixup explicit subregs in rtl to use byte offsets.
2288 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2289 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2290 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2291 rtl to use byte offsets.
2292 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2293 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2294 subregs to use byte offsets.
2295 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2296 Fixup explicit subregs in rtl to use byte offsets.
2297 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2298 and remove byte endian correction code.
2299 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2300 (gen_ashift_hi): Use SUBREG_BYTE.
2301 (regs_used): Use subreg_regno_offset.
2302 (machine_dependent_reorg): Use subreg_regno_offset.
2303 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2304 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2305 (movdf_i4): Subregs are byte offsets now.
2306 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2307 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2308 (REGMODE_NATURAL_SIZE): Override.
2309 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2310 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2312 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2313 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2314 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2315 it is congruent to SUBREG's mode size.
2316 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2318 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2319 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2320 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2321 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2322 * config/v850/v850.c (print_operand, output_move_double): Use
2323 subreg_regno function.
2325 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2327 * configure.in (target_subdir): Use target_alias, not target.
2328 * configure: Rebuilt.
2330 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2332 * config/sh/crti.asm: Fix typos in comments.
2334 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2336 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2337 TARGET_FAST_INDIRECT_CALLS.
2338 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2340 (return_addr_rtx): Short circuit export stub matching when
2341 TARGET_NO_SPACE_REGS.
2342 (output_millicode_call): For out of range calls, make -fPIC
2343 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2344 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2345 * pa.md: Modify length attr calculation of all millicode insns to
2348 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2350 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2351 Require at least 2.11 in the version test. Specifically check
2352 for and reject GAS version 2.10.90.
2353 * configure: regenerate.
2355 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2357 * pa.c (override_options): Remove PIC profiling warning.
2358 (hp_profile_labelno): Delete.
2359 (hp_profile_label_rtx): Delete.
2360 (hp_profile_label_name): Delete.
2361 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2362 (output_function_prologue): Remove profiling code and all tests on
2363 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2364 merge_sp_adjust_with_store can work for PIC and profiling.
2365 (hppa_expand_epilogue): Remove profile_flag test.
2366 (hppa_can_use_return_insn_p): Likewise.
2367 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2368 cater for PROFILE_HOOK.
2369 (hppa_profile_hook): New function.
2370 * pa.h (FUNCTION_PROFILER): Now does nothing.
2371 (PROFILE_HOOK): Define.
2372 (hppa_profile_hook): Declare.
2373 (PROFILE_BEFORE_PROLOGUE): Delete.
2374 (ASM_OUTPUT_REG_PUSH): Delete.
2375 (ASM_OUTPUT_REG_POP): Delete.
2376 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2377 r24. Accept function name operand, and use this and a locally
2378 generated label to calculate pc-rel offset to func start.
2380 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2382 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2383 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2386 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2388 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2389 LO_SUM cases to where they belong.
2391 2001-04-02 Richard Henderson <rth@redhat.com>
2393 * except.h (lang_eh_type_covers): Mark extern.
2394 (lang_eh_runtime_type): Likewise.
2396 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2398 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2399 gengenrtl.c: Wrap generated header in multiple-include guard.
2400 Improve error checking.
2402 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2404 * configure.in: Don't check for putenv.
2405 * configure: Regenerate.
2406 * gcc.c (putenv): Don't define.
2407 * vax/xm-vms.h: Handle putenv.
2409 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2411 * ifcvt.c (noce_emit_move_insn): New.
2412 (noce_try_store_flag, noce_try_store_flag_constants,
2413 noce_try_store_flag_inc, noce_try_store_flag_mask,
2414 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2415 noce_try_abs): Use it.
2416 (noce_process_if_block): Likewise.
2417 For STRICT_LOW_PART, take mode from its SUBREG.
2419 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2421 * fold-const.c (fold): Before optimizing unsigned comparison with
2422 0x7fffffffU, make sure arg0 is integral type.
2424 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2426 * c-tree.texi: Document representation of wide strings.
2428 2001-04-01 Richard Henderson <rth@redhat.com>
2430 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2432 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2434 * i386.md: remove obsoleted comments.
2435 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2436 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2437 fix output template.
2439 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2441 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2443 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2445 * loop.c (load_mems): When generating a load from a pseudo, update
2448 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2450 * i386.c (ix86_split_long_move): Use change address to compensate
2451 stack pointer change in push instruction.
2453 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2455 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2456 instead of rtx_equal_p; fix the output template.
2458 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2460 * i386.c (ix86_expand_setcc): Support 64bit.
2461 (ix86_expand_int_movcc): Likewise.
2462 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2465 * i386.md (allocate_stack_worker): Turn to expander.
2466 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2468 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2470 2001-03-29 Richard Henderson <rth@redhat.com>
2472 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2474 2001-03-28 Matthew Hiller <hiller@redhat.com>
2476 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2479 * MAINTAINERS: Added self.
2481 2001-03-28 Richard Henderson <rth@redhat.com>
2483 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2484 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2486 2001-03-28 Jim Wilson <wilson@redhat.com>
2488 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2491 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2493 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2495 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2498 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2500 2001-03-28 DJ Delorie <dj@redhat.com>
2502 * Makefile.in (stage1_build): Revert CFLAGS patch.
2504 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2506 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2507 when multiplier or multiplicand is zero.
2509 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2511 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2513 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2515 (set_src_needs_barrier): Likewise.
2516 (rtx_needs_barrier): For SET case, use these two functions. Rework
2517 PARALLEL case to handle all inputs before all outputs.
2518 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2519 saw a label and no stop bit since then.
2520 (maybe_rotate, process_epilogue): Add prototypes.
2522 2001-03-28 Richard Henderson <rth@redhat.com>
2524 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2525 not TARGET_TOC for special toc restore handling.
2526 * config/rs6000/rs6000.md (eh_return): Likewise.
2528 2001-03-28 Richard Henderson <rth@redhat.com>
2530 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2531 current_function_calls_eh_return.
2532 (output_function_epilogue): Handle eh_return.
2533 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2534 (EH_RETURN_DATA_REGNO): New.
2535 (EH_RETURN_STACKADJ_RTX): New.
2536 (EH_RETURN_HANDLER_RTX): New.
2537 * config/sparc/sparc.md (call/short branch peepholes): Check
2538 can_throw_internal instead of in_same_eh_region.
2540 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2541 for eh_return data registers.
2542 (rs6000_emit_prologue): Save eh_return data registers.
2543 (rs6000_emit_epilogue): Force inline restores if eh_return.
2544 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2545 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2546 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2547 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2548 the target uses one.
2549 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2550 (return_eh_si, return_eh_di): Remove.
2551 (eh_return): New, from corpse of eh_epilogue.
2552 (eh_set_lr_si, eh_set_lr_di): New.
2554 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2555 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2556 True for pic register if current_function_calls_eh_return.
2557 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2558 Handle eh_return requirements.
2559 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2560 (EH_RETURN_STACKADJ_RTX): New.
2561 * config/i386/i386.md (exception_receiver): Remove.
2562 (eh_return, eh_return_1): New.
2563 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2565 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2566 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2567 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2568 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2569 (EH_RETURN_DATA_REGNO): New.
2570 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2571 * config/alpha/alpha.md (eh_epilogue): Remove.
2572 (exception_receiver): Use $26 for ldgp input.
2573 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2575 2001-03-28 Richard Henderson <rth@redhat.com>
2577 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2578 * except.h: Likewise.
2580 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2581 (LIB2ADDEHDEP): New.
2582 (LIB2FUNCS_EH): Remove.
2583 (LIB2ADD): Remove LIB2ADDEH.
2584 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2585 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2586 (crt{begin,end}[S].o): Likewise.
2587 (except.o): Update includes.
2588 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2589 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2591 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2592 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2593 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2594 * builtins.c (expand_builtin): Implement it.
2595 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2596 * c-common.c (c_common_nodes_and_builtins): Declare it.
2597 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2598 * calls.c (libfunc_nothrow): Remove.
2599 (emit_library_call_value_1): Don't call it.
2600 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2601 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2602 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2603 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2604 (current_funcdef_number): Globalize.
2605 (output_call_frame_info): Emit frame data if an lsda is needed.
2606 Generate augmentation for personality routine. Don't play with
2608 (dwarf2out_begin_prologue): Record funcdef_number.
2609 * dwarf2out.h (current_funcdef_number): Declare.
2610 * expr.c (expand_expr): Update for except.h name changes.
2611 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2612 * expr.h (LTI_throw, LTI_rethrow): Remove.
2613 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2614 (LTI_eh_rtime_match): Remove.
2615 (LTI_unwind_resume, LTI_eh_personality): Add.
2616 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2617 * final.c (final): Don't call check_exception_handler_labels,
2618 init_insn_eh_region, or free_insn_eh_region.
2619 (final_scan_insn): Always emit debug labels for
2620 NOTE_INSN_EH_REGION notes.
2621 * flags.h (flag_new_exceptions): Remove.
2622 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2623 (record_active_eh_regions): Remove.
2624 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2625 Use can_throw_internal.
2626 (find_basic_blocks_1): Likewise.
2627 (move_stray_eh_region_notes): Remove.
2628 (find_label_refs): No eh_return_stub_label.
2629 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2630 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2632 (delete_unreachable_blocks): Don't track deleted handlers.
2633 (flow_delete_block): Use maybe_remove_eh_handler.
2634 (delete_eh_regions): Remove.
2635 (merge_blocks): Don't check for eh region match.
2636 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2637 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2638 (init_propagate_block_info): Disable dead frame store optimization
2639 when current_function_calls_eh_return.
2640 (dump_bb): Don't print eh_beg, eh_end.
2641 * function.c (fixup_var_refs): No catch_clauses.
2642 (expand_function_end): Likewise. Call expand_eh_return before
2643 the return register use. Call sjlj_emit_function_exit_after.
2644 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2645 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2646 * ifcvt.c (dead_or_predicable): Remove eh region check.
2647 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2648 Don't check for EH vs parameters.
2649 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2650 (expand_inline_function): Call duplicate_eh_regions.
2651 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2652 (copy_insn_notes): Remap REG_EH_REGION notes.
2653 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2654 * integrate.h (struct inline_remap): Add local_return_label.
2655 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2656 check_exception_handler_labels, nor exception_optimize.
2657 (find_cross_jump): No EH region check.
2658 * optabs.c (init_optabs): Update for changed eh libfuncs.
2659 * rtl.def (RESX): New.
2660 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2661 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2662 checks. Update for except.h name changes.
2663 (expand_cleanups): Likewise.
2664 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2665 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2666 (compile_file): Call init_eh before init_optabs. Don't
2667 output_exception_table here.
2668 (rest_of_compilation): Call convert_from_eh_region_ranges,
2669 convert_to_eh_region_ranges, output_function_exception_table.
2670 Don't emit_eh_context.
2671 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2672 (EXC_PTR_EXPR): New.
2674 * md.texi (eh_epilogue): Remove.
2675 (eh_return): Document.
2676 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2677 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2679 * eh-common.h: Remove file.
2680 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2681 * libgcc2.c (L_eh): Remove.
2683 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2684 * unwind-dw2-fde.h: New file.
2685 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2686 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2687 * libgcc-std.ver: Update for eh symbols.
2689 2001-03-27 Richard Henderson <rth@redhat.com>
2691 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2692 reduce false positives.
2693 (regmove_optimize): Disable if flag_non_call_exceptions.
2695 * stmt.c (expand_return): Remove always true predicate.
2696 (expand_decl_cleanup_no_eh): Remove dead code.
2698 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2699 barrier code. Add a scheduling barrier if a non-call insn
2700 can throw internally.
2702 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2703 Auto-inc addresses trap only if their base register does.
2705 * except.c (can_throw_internal): Rename from can_throw.
2706 * except.h, resource.c: Update references.
2708 * integrate.c (copy_insn_list): Use returnjump_p.
2709 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2711 * function.h (struct function): Move all boolean valued fields
2712 to single bit fields at the end of the struct.
2714 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2716 Rename asynchronous_exceptions to flag_non_call_exceptions.
2718 * gthr-single.h (UNUSED): New. Distinguish between how C
2719 and C++ mark unused function arguments. Use throughout.
2721 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2722 value to target configuration header.
2723 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2724 * config.in, configure: Rebuild.
2725 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2726 configuration and target defines.
2727 (exceptions_via_longjmp): Remove.
2728 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2729 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2731 * except.h (flag_non_call_exceptions): Move ...
2732 * flags.h: ... here.
2734 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2735 exceptions, put the note on the trapping instruction.
2737 * flags.h (flag_new_exceptions): Remove.
2738 * toplev.c: Don't set it.
2739 * final.c: Don't check it.
2740 * except.c: Provide stub definition.
2742 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2743 (calculate_global_regs_live): Kill call-clobbered registers
2744 across exception edges.
2745 * reg-stack.c (convert_regs_1): Kill the entire target stack
2746 across non-call exception edges.
2748 * flow.c (cleanup_cfg): Take no argument.
2749 * output.h, sibcall.c, toplev.c: Update all calls.
2751 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2753 * configure.in: Don't check for bcopy.
2754 * configure, config.in: Regenerate.
2756 * system.h: Don't define or prototype bcopy, instead poison it.
2758 2001-03-27 Richard Henderson <rth@redhat.com>
2760 * function.c (expand_function_start): Set DECL_REGISTER on
2761 a pseudo used for DECL_RESULT.
2763 * rtl.h (LCT_NORETURN): New.
2764 * calls.c (emit_library_call_value_1): Handle it.
2766 2001-03-27 Stan Shebs <shebs@apple.com>
2768 * objc/objc-act.c (objc_init): Use dump_base_name.
2769 (gen_declaration): Clear the buffer arg.
2770 (gen_declaration_1): New function, body of gen_declaration.
2771 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2772 (gen_method_decl): Ditto, plus always clear buffer arg.
2773 (error_with_ivar): Simplify.
2774 (warn_with_method): Ditto.
2775 (build_message_expr): Don't clear buffers.
2776 (dump_interface): Ditto.
2777 (objc_debug): Ditto.
2778 (build_keyword_selector): Clear the buffer by only zeroing
2780 (objc_implementation_context): Declare.
2781 (start_class): Warn about missing @end.
2782 (finish_objc): Ditto.
2784 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2786 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2788 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2790 * Makefile.in (SYSTEM_H): Define.
2791 Depend on $(SYSTEM_H), not system.h.
2793 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2795 2001-03-27 Jim Wilson <wilson@redhat.com>
2797 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2799 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2800 (process_epilogue): New static function.
2801 (process_set): Call process_epilogue instead of emitting .restore
2803 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2805 * flow.c (struct reg_cond_life_info): New fields orig_condition
2807 (init_propagate_block_info): Set new fields.
2808 (mark_regno_cond_dead): Set and use new fields.
2809 (flush_reg_cond_reg_1): Likewise.
2810 (and_reg_cond, case AND): Check for redundant AND conditions.
2811 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2814 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2816 * cppmacro.c (stringify_arg): Null terminate strings.
2818 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2820 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2821 inclusion style. xm-m68hc11.h no longer exists.
2822 * config/m68hc11/xm-m68hc11.h: Delete file.
2823 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2825 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2826 Don't define GCC_VERSION, N_, or PARAMS; don't include
2827 gansidecl.h or stdio.h. Define inhibit_libc here.
2828 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2829 Delete code conditioned on #if GCC_VERSION == 2095.
2831 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2832 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2833 Delete code conditioned on #if GCC_VERSION == 2095.
2835 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2837 * system.h: Include symcat.h.
2838 (STRINGIFY): Don't define.
2840 * configure.in: Adjust comment.
2842 * builtins.c: Use STRINGX, not STRINGIFY.
2843 * gencheck.c: Likewise.
2844 * gengenrtl.c: Likewise.
2845 * protoize.c: Likewise.
2847 * cpplex.c: Don't include symcat.h.
2848 * cpplib.c: Likewise.
2850 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2852 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2854 * c-typeck.c (digest_init): Fold init expression.
2856 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2858 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2860 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2862 * except.c (eh_regs): Save results of build_pointer_type to a temp
2863 as FUNCTION_VALUE macro may evaluate its args multiple times.
2865 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2867 * c-common.h (DECL_NUM_STMTS): New macro.
2868 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2870 (pushdecl): Likewise.
2871 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2872 * integrate.c (expand_inline_function): Don't check
2874 * print-tree.c (print_node): Don't print it.
2875 * toplev.c (rest_of_compilation): Don't try to inline when
2876 flag_no_inline is on.
2877 * tree.h (DECL_FRAME_SIZE): Remove.
2878 (tree_decl): Adjust accordingly.
2880 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2882 * combine.c (try_combine): Use memcpy, not bcopy.
2884 * genattrtab.c (expand_units): Likewise.
2886 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2888 * i386.md (push mem DI peep2): New.
2889 (mov 0, mov -1 peep2): Handle 64bit.
2890 (lea to arithmetics peep2): Handle 64bit leas.
2891 (rsp arithmetics to push/pop peep2s): New.
2893 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2895 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2897 * i386.c (struct machine_function): Add save_varrargs_registers.
2898 (ix86_save_varrargs_registers): New macro.
2899 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2900 (ix86_expand_prologue): Likewise.
2901 (ix86_emit_epilogue_esp_adjustement): Likewise.
2902 (ix86_expand_epilogue): Likewise.
2903 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2904 (pro_epilogue_adjust_stack_1): New insn.
2905 (pro_epilogue_adjust_stack_rex64): Likewise.
2906 * i386.h (MASK_NO_RED_ZONE): New constant.
2907 (TARGET_RED_ZONE): New macro.
2908 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2909 (RED_ZONE_SIZE): New constant.
2910 (RED_ZONE_RESERVE): New constant.
2912 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2914 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2916 2001-03-25 Kazu Hirata <kazu@hxi.com>
2918 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2921 (umodhi3): Likewise.
2924 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2926 * mkconfig.sh (DEFINES): Handle entries with '='.
2928 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2929 Set xm_defines to MACRO=value instead.
2931 * i370/xm-mvs.h: Delete.
2933 * ns32k/xm-pc532-min.h: Likewise.
2935 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2937 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2939 use ix86_expand_binary_operator
2940 (?sh??i_?): Disable for 64bit.
2941 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2942 * i386.c (shiftdi_operand): New predicate.
2944 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2945 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2946 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2947 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2948 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2949 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2950 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2951 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2952 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2953 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2954 (rotldi3, rotrdi3): New expanders.
2956 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2958 * i386.md (movstrsi): Move offline.
2960 (strmovdi_rex64): New.
2961 (strmov?i): Accept 64bit.
2962 (strmov?i_rex64): New.
2963 (strmov?i_rex_1): New.
2964 (strmov?i_1): Disable for 64bit.
2965 (rep_mov?i_rex64): New.
2966 (rep_mov?i): Disable for 64bit.
2967 (clrstrsi): Move offline.
2968 (strset?i_rex64): New.
2969 (strset?i: Accept 64bit.
2970 (rep_stos?i): Disable for 64bit.
2971 (rep_stos?i_rex64): New.
2972 (strset?i_rex_1): New.
2973 (strset?i_1): Disable for 64bit.
2974 (cmpstrsi): Accept 64bit.
2975 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2976 (cmpstrqi_nz_rex_1): New.
2977 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2978 (strlensi): Move offline.
2980 (strlenqi_1): Disable for 64bit; fix constraints.
2981 (strlenqi_rex_1): New.
2982 * i386.c (ix86_adjust_counter): New static function.
2983 (ix86_zero_extend_to_Pmode): Likewise.
2984 (ix86_expand_aligntest): Likweise.
2985 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2986 (ix86_expand_movstr): New global function.
2987 (ix86_expand_clrstr): New global function.
2988 (ix86_expand_strlen): New global function.
2989 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2990 ix86_expand_strlen): Declare.
2991 (ix86_expand_strlensi_unroll_1): Delete.
2993 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2995 * i386.md (cmpdi): Fix operand predicates.
2996 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2997 cmpdi_1_insn_rex64): New patterns.
2998 (adddi3): Turn to expander.
2999 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3000 (addsi3_carry_zext): New pattern.
3001 (adddi_?_rex64): New patterns and splitters.
3002 (addsi_?_zext): New patterns.
3003 (subsi3_carry_zext): New pattern.
3004 (subdi_?_rex64): New patterns and splitters.
3005 (iorsi_?_zext): New patterns.
3006 (iordi_?_rex64): New patterns and splitters.
3007 (iorsi_?_zext): New patterns.
3008 (iorsi_?_zext_imm): New patterns.
3009 (xorsi_?_zext): New patterns.
3010 (xordi_?_rex64): New patterns and splitters.
3011 (xorsi_?_zext): New patterns.
3012 (negdi*): New patterns.
3013 (one_cmpldi*): Likewise.
3014 (one_cmplsi*_zext, negsi*_zext): Likewise.
3015 (testqi_ext_3_rex64): New pattern.
3017 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3019 * i386-protos.h (ix86_split_long_move): Return void.
3020 * i386.c (ix86_split_to_parts): Handle 64bit target.
3021 (ix86_split_long_move): Likewise.
3022 * i386.md (all calls to ix86_split_long_move): Update.
3024 2001-03-23 Richard Henderson <rth@redhat.com>
3026 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3027 to avoid shadowing arguments.
3029 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3031 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3032 to variable names where DECL_NAME is different from
3033 DECL_ASSEMBLER_NAME.
3035 2001-03-23 Jim Wilson <wilson@redhat.com>
3037 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3038 (assemble_alias): Call make_decl_rtl.
3040 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3042 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3044 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3046 * extend.texi: Document the "java_interface" attribute.
3048 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3050 * mkconfig.sh: Use a subshell with redirected stdout,
3051 instead of closing stdout and confusing commands that run
3052 afterward. Throw away output of cmp.
3054 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3056 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3058 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3060 * i386.md (zero_extendsidi2_32): Break out from ...
3061 (zero_extendsidi2): ... here ; turn to expander.
3062 (zero_extendsidi2_rex64): New.
3063 (extendsidi2_32): Break out from ...
3064 (extendsidi2): ... here ; turn to expander.
3065 (extendsidi2_rex64): New.
3066 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3067 (trunc?f?f splitters): Add 64bit versions.
3069 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3071 * i386.md (pushsi, pushsi2_prologue): Disable.
3072 (pushsi2_rex64): New.
3073 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3074 (movqi_ext_1): Disable for 64bit.
3075 (movqi_ext_1_rex64): New.
3076 (pushdi2_rex64): New pattern, peep2s and splitter.
3077 (pushdi2_prologue_rex64): New pattern.
3078 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3080 (movdi splitters): Disable for 64bit.
3081 (movdi_1_rex64): New pattern, peep2s and splitters.
3082 (swapdi): New pattern.
3083 (pushsf): Disable for 64bit.
3084 (pushsf_rex64): New pattern and splitter.
3085 (pushdf_nointeger): Disable for 64bit.
3086 (pushdf_integer): Handle the 64bit case.
3087 (pushtf): Likewise; update splitters.
3089 2001-03-22 Richard Henderson <rth@redhat.com>
3091 * mkconfig.sh: Include insn-flags.h.
3092 * Makefile.in (CONFIG_H): Include insn-flags.h.
3093 (lots of objects): Remove insn-codes.h and insn-flags.h.
3095 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3096 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3097 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3098 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3099 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3100 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3101 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3102 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3103 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3104 v850/v850.c, vax/vax.c:
3105 Don't include insn-flags.h.
3107 * diagnostic.c, expr.h, reload.c, toplev.c:
3108 Don't include insn-codes.h.
3110 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3111 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3112 c4x/c4x.c, i960/i960.c, mips/mips.c:
3113 Don't include insn-codes.h or insn-flags.h.
3115 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3116 or insn-flags.h in the generated code.
3117 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3118 (main): Forward declare struct rtx_def.
3120 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3122 * invoke.texi (-ffast-math): Remove duplicate line about
3125 * gcc.texi: Remove more obsolete documentation of bugs and
3126 installation problems.
3128 2001-03-21 Kazu Hirata <kazu@hxi.com>
3130 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3133 2001-03-20 Jason Merrill <jason@redhat.com>
3135 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3137 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3138 * varasm.c (CHKR_PREFIX): Likewise.
3140 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3142 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3143 is part of a multi-SET insn.
3145 * cse.c (find_comparison_args): Remove previous change.
3146 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3149 * config/i386/i386.md (conditional_trap): Remove warning.
3151 * recog.c (push_operand): Fix error in last change that caused
3152 undefined symbol on many targets.
3154 * sdbout.c: #include ggc.h.
3155 (sdbout_init): Move to end of file.
3156 Call ggc_add_tree_root for anonymous_types.
3157 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3158 (sdbout_one_type): Use DECL_NAME for field name.
3159 * Makefile.in (sdbout.o): Show includes ggc.h.
3161 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3163 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3164 (override_options): Use properlimits for preferred_stack_boundary.
3165 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3167 (ext_register_operand): Accept DImode.
3168 (load_pic_register): Abort on 64bit.
3169 (gen_push): Use Pmode instead of SImode.
3170 (ix86_save_reg): Pic reg is never used on 64bit.
3171 (ix86_expand_prologue): Likewise.
3172 (ix86_emit_save_regs): Use Pmode instead of SImode.
3173 (legitimate_address_p): Check displacement for 64bit.
3174 (print_operand): Avoid outputting of (%rip) on 64bit.
3175 (print_operand_address): Output (%rip) where possible.
3176 (split_di): Abort on 64bit registers.
3177 (ix86_expand_branch): DImode comparison is simple for x86_64.
3178 (memory_address_length): Recognize memory addresses formed using
3180 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3182 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3184 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3186 * recog.c (push_operand): Recognize new format of push instructions.
3188 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3190 * i386.md (pushqi1): New.
3191 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3192 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3193 x86_64_immediate_operand, x86_64_immediate_operand,
3194 x86_64_zext_immediate_operand): Declare.
3195 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3196 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3197 x86_64_immediate_operand, x86_64_immediate_operand,
3198 x86_64_zext_immediate_operand): define.
3199 * i386.h (PREDICATE_CODES): Add new predicates.
3201 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3203 * i386.md (pophi1, popqi1, pushqi1): Remove.
3205 * expr.c (emit_single_push_insn): New function.
3206 (move_by_pieces): Accept NULL as destination for push instructions.
3207 (gen_push_operand): Kill.
3208 (emit_push_insn): Pass NULL when pushing; avoid updating of
3209 stack_pointer_delta.
3210 * expr.h (gen_push_operand): Kill.
3212 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3214 * rtl.texi (COMPARE): Clarify documentation and reference section
3217 2001-03-20 Stan Shebs <shebs@apple.com>
3219 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3220 (get_object_reference): Ditto.
3221 (error_with_ivar): Use error_with_file_and_line.
3222 (warn_with_method): Use warning_with_file_and_line.
3224 2001-03-20 Tom Tromey <tromey@redhat.com>
3226 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3228 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3230 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3231 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3233 2001-03-20 DJ Delorie <dj@redhat.com>
3235 * Makefile.in (install-libgcc): Pass complete list of variables.
3236 (install-multilib): Ditto.
3238 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3240 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3241 drectve_section, switch_to_section.
3243 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3244 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3245 i386_pe_mark_dllimport.
3247 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3249 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3250 functions i386_pe_*.
3252 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3253 i386_pe_* functions with char * arguments.
3255 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3257 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3259 (movsi_ie): Introduce fpul store.
3261 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3263 * Makefile.in (OBJS): Remove hashtab.o.
3265 2001-03-19 Stan Shebs <shebs@apple.com>
3267 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3268 * c-lang.c (maybe_objc_method_name): Ditto.
3269 * c-tree.h (maybe_objc_method_name): Remove decl.
3271 2001-03-19 Tom Tromey <tromey@redhat.com>
3273 * gcc.c (init_gcc_specs): Fix comment.
3275 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3277 Compute DECL_ASSEMBLER_NAME lazily.
3278 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3279 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3280 (SET_DECL_ASSEMBLER_NAME): Likewise.
3281 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3282 (set_decl_assembler_name): Declare.
3283 (lang_set_decl_assembler_name): Likewise.
3284 * tree.c (lang_set_decl_assembler_name): New variab.e
3285 (set_decl_assembler_name): New function.
3286 (init_obstacks): Set lang_set_decl_assembler_name.
3287 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3288 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3289 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3290 where it's not necessary.
3291 (builtin_function): Likewise.
3292 (finish_decl): Likewise.
3293 * dbxout.c (dbxout_type_methods): Likewise.
3294 * ggc-common.c (ggc_mark_trees): Likewise.
3295 * profile.c (output_func_start_profiler): Likewise.
3296 * varasm.c (make_decl_rtl): Likewise.
3298 * cse.c (find_comparison_args): Update documentation. Fix
3299 mishandling of COMPARE operations.
3301 * tree.def (ABS_EXPR): Add documentation.
3302 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3304 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3306 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3308 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3310 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3311 Remove ia32 linux PIC kludge and move it...
3312 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3314 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3316 * i386.md (absdf2 expander): Fix 64bit case.
3318 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3320 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3322 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3324 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3326 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3328 * README.X11: Remove obsolete file.
3330 2001-03-18 Anthony Green <green@redhat.com>
3332 * config/pj/pj.h: Remove some trailing commas.
3333 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3335 2001-03-18 Richard Henderson <rth@redhat.com>
3337 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3338 * calls.c: ... here.
3339 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3340 defaults for them here.
3342 2001-03-17 Anthony Green <green@redhat.com>
3344 * config/pj/lib1funcs.S: Fix broken comment.
3345 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3348 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3350 * gcc.texi: Remove obsolete information relating to build and
3351 installation problems with enquire or the Pyramid C compiler.
3353 2001-03-17 Richard Henderson <rth@redhat.com>
3355 * dwarf2out.c (queue_reg_save): New.
3356 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3357 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3359 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3360 (cfa, cfa_store, cfa_temp): Make static.
3361 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3363 2001-03-17 Richard Henderson <rth@redhat.com>
3365 * integrate.h (struct inline_remap): Add local_return_label.
3366 * integrate.c (expand_inline_function): Initialize it and emit
3367 it after copy_insn_notes.
3368 (copy_insn_list): Don't store local_return_label here.
3369 (copy_insn_notes): New function split out from copy_insn_list.
3371 2001-03-17 Richard Henderson <rth@redhat.com>
3373 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3374 is generating .debug_line.
3375 (dwarf2out_init): Add main_input_filename to the file table first.
3376 * configure.in (as_dwarf2_debug_line): Test with file number 1
3377 instead of file number 0.
3379 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3381 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3382 (gen_rtx_combine): Deleted; all references changed as appropriate.
3383 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3385 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3387 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3389 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3392 2001-03-16 Jim Wilson <wilson@redhat.com>
3394 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3395 then set it to LOC_REG (79) instead of aborting.
3397 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3399 * gccbug.in: Remove high priority.
3401 2001-03-16 Richard Henerson <rth@redhat.com>
3403 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3404 output with a space instead of deleting it.
3405 * configure: Regenerate.
3407 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3409 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3410 handles the gory details of converting an object file into
3411 something that's safe to grep.
3412 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3413 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3414 newlines at either end of the string we're looking for.
3415 Make 'checking ...' message less stilted.
3416 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3417 ARM in-memory layout and its hypothetical converse. Don't
3418 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3419 HOST_WORDS_BIG_ENDIAN.
3421 * configure.in: Adjust for renamed macro. Move
3422 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3423 * configure, config.in: Regenerate.
3425 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3427 * fixinc/Makefile.in: Set SHELL.
3429 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3431 * fixinc/fixincl.c (fix_with_system): Quote file names before
3432 passing them to shell.
3434 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3436 * Makefile.in: Use fix-header$(build_exeext) instead
3439 2001-03-16 Richard Henderson <rth@redhat.com>
3441 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3442 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3443 (size_of_line_prolog): Remove.
3444 (output_line_info): Compute prologue size via label difference.
3445 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3447 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3448 assembler error when redefining file numbers.
3449 * config.in, configure: Rebuild.
3451 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3452 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3453 (dw2_asm_output_delta_uleb128): Likewise.
3454 (dw2_asm_output_delta_sleb128): Similarly.
3455 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3457 2001-03-16 Michael Meissner <meissner@redhat.com>
3459 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3461 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3463 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3465 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3466 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3467 being unsigned in ISO C and signed in traditional.
3468 (expand_prologue): Ditto.
3469 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3471 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3473 (divsi3,divdi3): Ditto.
3474 (modsi3,moddi3): Ditto.
3475 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3476 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3477 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3480 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3482 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3483 SSE based conditional moves on LTGT/UNEQ conditions;
3484 Canonicalize EQ to NE.
3485 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3486 (sse_mov?fcc_ne): New.
3488 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3490 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3492 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3493 register may be dead.
3495 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3497 * Makefile.in (hash.o): Depend on CONFIG_H.
3499 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3501 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3503 2001-03-15 Richard Henderson <rth@redhat.com>
3505 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3506 (ASM_OUTPUT_DWARF_PCREL): New.
3507 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3509 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3511 * cppfiles.c (stack_include_file): Use MAX of sysp.
3513 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3515 * config.gcc (ia64*-*-hpux*): New case.
3516 * config/ia64/hpux.h: New file for HP-UX support.
3517 * config/ia64/t-hpux: New file for HP-UX support.
3519 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3521 * fixinc/inclhack.def (irix_stdio_va_list): New.
3522 * fixinc/fixincl.x: Rebuilt.
3524 2001-03-15 Richard Henderson <rth@redhat.com>
3526 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3527 if provided by the target.
3528 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3529 (dw2_asm_output_addr): New.
3530 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3531 * dwarf2out.c (output_cfi): Use it for program addresses.
3532 (output_call_frame_info, output_die): Likewise.
3533 (output_aranges, output_line_info): Likewise.
3535 2001-03-15 Bruce Korb <bkorb@gnu.org>
3537 * gcc.c(main): make more rigorous
3538 * collect2.c(main): guard against ignoring SIGCHLD
3539 * protoize.c(main): ditto
3540 * gcc/fixinc/fixincl.c(initialize): ditto
3542 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3544 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3545 (sdbout_parms): Likewise.
3547 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3549 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3550 "widen" a destination that is already wider than a word. Also do
3551 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3553 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3555 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3557 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3559 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3561 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3563 * i960.h (i960_maxbitalignment,
3564 i960_last_maxbitalignment): Declare.
3565 * i960.c (i960_maxbitalignment,
3566 i960_last_maxbitalignment): Make global.
3567 (process_pragma): Delete.
3568 (i960_pr_align, i960_pr_noalign): Move from here ...
3569 * i960-c.c: ... to this new file.
3570 * t-960bare (i960-c.o): New rule.
3571 * t-vxworks960 (i960-c.o): Likewise.
3572 * config.gcc (i960-*-*): Define c_target_objs and
3575 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3577 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3578 without adding in rtx code and mode.
3580 * alias.c (init_alias_analysis): Don't use any rtx whose value
3581 varies as a known value.
3582 Delete a superfluous test.
3584 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3586 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3587 scheduling a stop bit.
3588 (ia64_emit_nops): Correctly handle ASMs.
3590 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3592 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3594 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3596 * cpp.texi: Update documentation for -include and -imacros.
3597 * cppfiles.c (struct include_file): Remove "defined" memeber.
3598 (find_or_create_entry): Make a copy of the file name, and
3600 (open_file): Update to ensure we use the simplified filename.
3601 (stack_include_file): Don't set search_from.
3602 (cpp_included): Don't simplify the path name here.
3603 (find_include_file): New prototype. Call search_from to
3604 get the start of the "" include chain. Don't simplify the
3606 (_cpp_execute_include): New prototype. Move diagnostics to
3607 do_include_common. Update.
3608 (_cpp_pop_file_buffer): Don't set defined.
3609 (search_from): New prototype. Use the preprocessor's cwd
3610 for files included from the command line.
3611 (read_name_map): Don't simplify the pathname here.
3612 * cpphash.h (enum include_type): New.
3613 (struct buffer): Delete search from. New search_cached.
3614 (_cpp_execute_include): Update prototype.
3615 * cppinit.c (do_includes): Use _cpp_execute_include.
3616 * cpplib.c (do_include_common): New function.
3617 (do_include, do_include_next, do_import): Use it.
3619 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3621 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3622 contents of the RTL, to determine the name of the object.
3624 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3626 * tree.h (DECL_RTL): Allocate RTL lazily.
3627 (SET_DECL_RTL): New macro.
3628 (DECL_RTL_SET_P): Likewise.
3629 (COPY_DECL_RTL): Likewise.
3630 (DECL_RTL_IF_SET): Likewise.
3631 * varasm.c (make_decl_rtl): Add assertions about the kind of
3632 declaration we are processing.
3633 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3634 (start_decl): Likewise.
3635 (finish_decl): Likewise.
3636 * c-semantics.c (emit_local_var): Likewise.
3637 * calls.c (expand_call): Likewise.
3638 * dbxout.c (dbxout_symbol): Likewise.
3639 * emit-rtl.c (unshare_all_rtl): Likewise.
3640 (unshare_all_decls): Likewise.
3641 (reset_used_decls): Likewise.
3642 * expr.c (store_constructor): Likewise.
3643 (safe_from_p): Likewise.
3644 (expand_expr): Likewise.
3645 * function.c (put_var_into_stack): Likewise.
3646 (instantiate_decls_1): Likewise.
3647 (assign_parms): Likewise.
3648 (expand_function_start): Likewise.
3649 (expand_function_end): Likewise.
3650 * ggc-common.c (gcc_mark_trees): Likewise.
3651 * integrate.c (function_cannot_inline_p): Likewise.
3652 (copy_decl_for_inlining): Likewise.
3653 (expand_inline_function): Likewise.
3654 (integrate_parm_decls): Likewise.
3655 (integrate_decl_tree): Likewise.
3656 * print-tree.c (print_node): Likewise.
3657 * reg-stack.c (stack_result): Likewise.
3658 * stmt.c (label_rtx): Likewise.
3659 (expand_return): Likewise.
3660 (expand_decl): Likewise.
3661 (expand_decl_cleanup): Likewise.
3662 (expand_anon_union_decl): Likewise.
3663 * toplev.c (check_global_declarations): Likewise.
3664 (rest_of_decl_compilation): Likewise.
3665 * tree.c (simple_cst_equal): Likewise.
3666 * objc/objc-act.c (generate_static_references): Likewise.
3668 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3670 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3671 gcc_AC_C_FLOAT_FORMAT): New macros.
3672 * configure.in: Add AC_PROG_CPP after CC tests;
3673 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3674 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3675 * configure, config.in: Regenerate.
3677 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3678 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3679 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3680 config/i370/xm-linux.h, config/i370/xm-oe.h,
3681 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3682 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3683 config/pa/xm-linux.h, config/pa/xm-pa.h,
3684 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3685 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3686 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3687 config/we32k/xm-we32k.h: Delete.
3689 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3690 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3691 config/vax/xm-vms.h: Don't define any of:
3692 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3694 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3696 * config.gcc: Remove references to deleted files.
3697 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3698 FATAL_EXIT_CODE, which is the same between oe and mvs).
3700 2001-03-14 DJ Delorie <dj@redhat.com>
3701 Vladimir Makarov <vmakarov@redhat.com>
3703 * config/i960/i960.c (i960_function_prologue): Compute size of
3704 frame according to number of registers actually saved there.
3706 2001-03-14 Richard Henderson <rth@redhat.com>
3708 * expr.c (emit_move_insn_1): Fix else if around #endif.
3710 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3713 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3716 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3718 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3719 (override_options): Parse cmodel string.
3720 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3721 * i386.h (TARGET_OPTIONS): Add "cmodel".
3722 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3724 (ix86_cmodel_string, ix86_cmodel): Declare.
3726 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3729 * i386.h (GENERAL_REG_P): Add missing REG_P.
3731 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3733 * configure.in: Use $gcc_cv_as instead of $as.
3734 * configure: Regenerated.
3736 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3738 * cppfiles.c (stack_include_file): Only increase the include
3739 count if we actually process the file properly, as opposed
3740 to treating it as length zero. Only call read_include_file
3741 if not DO_NOT_REREAD. Handle the -H include file output
3743 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3744 (cpp_included, find_include_file): Simplify pathnames after
3745 remapping them. If remapping, don't use the remapped file
3746 name's buffer as our scratch buffer.
3747 (cpp_pop_file_buffer): Replace the multiple include macro
3748 only if it isn't yet set.
3749 (read_name_map): Simplify remapped names when reading in.
3750 (remap_filename): Move code to code path that uses it.
3751 (_cpp_simplify_pathname): Return the input pointer.
3752 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3754 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3756 * expr.c (expand_expr): Revove bogus conditional.
3758 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3760 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3762 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3764 * reg-stack.c (stack_result): Unconditionally use
3765 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3767 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3769 * expr.c (emit_move_insn_1): Split push of complex value when
3770 no suitable push instruction exist.
3772 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3773 instead of QI_REG_P.
3775 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3777 * alias.c (handled_component_p, can_address_p): New functions.
3778 (get_alias_set): Use them.
3780 2001-03-13 Jim Wilson <wilson@redhat.com>
3782 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3783 from 80 in try_locals code.
3784 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3786 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3788 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3789 gcc_AC_C_LONG_LONG): New.
3790 * configure.in: Use them. Probe the size of short, int, long,
3791 and long long/__int64 if we have them. Move all the AC_C_*
3792 checks together, except gcc_AC_C_CHAR_BIT which has to go
3793 after AC_CHECK_HEADERS(limits.h).
3794 Take hwint.h out of host_xm_file and build_xm_file.
3796 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3797 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3798 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3799 Move the HOST_WIDEST_INT setup logic here from system.h.
3800 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3802 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3803 is now handled by hwint.h.
3805 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3806 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3807 config/ia64/xm-ia64.h: Don't define any of:
3808 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3809 HOST_BITS_PER_LONGLONG.
3811 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3812 config/h8300/xm-h8300.h, config/mips/iris6.h,
3813 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3814 config/sparc/xm-sp64.h: Delete.
3815 * config.gcc: Remove references to deleted files.
3817 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3818 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3819 * config/i370/xm-linux.h: Clarify floating-point situation in
3822 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3824 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3825 (find_include_file): Decide here which part of the include
3826 chain to start the search. Complain about an empty include
3827 chain in all cases apart from an abolsute file name.
3828 (_cpp_execute_include): Don't choose the search chain here.
3829 Don't call handle_missing_include in the case of an empty
3831 (_cpp_compare_file_date): Don't choose the search chain here.
3832 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3833 here from _cpp_execute_include. Behave like #include if
3834 we're in the main file.
3836 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3838 * system.h (malloc, realloc, calloc, strdup): Only poison these
3839 tokens when IN_GCC is defined.
3841 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3843 * i386.md (abs?f expander): Support SSE case.
3844 (abd?f_if): Add new "USE"; add splitters.
3846 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3848 * cpp.texi (poison): Explain the macro expansion exception.
3850 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3852 * expr.c (store_expr): Add dont_store_target. If temp is already in
3853 target before copying to reg, don't store it into target again.
3855 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3857 * cppinternals.texi: Update for file handling.
3859 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3861 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3862 2001-02-24 which broke building the Java library.
3863 * function.c (identify_blocks): Likewise.
3864 (all_blocks): Likewise.
3865 * integrate.c (integrate_decl_tree): Likewise.
3866 * print-tree.c (print_node): Likewise.
3867 * tree.h (BLOCK_NUMBER): Likewise.
3868 (struct tree_block): Likewise.
3870 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3872 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3873 __WCHAR_TYPE__ definition.
3874 (WCHAR_TYPE_SIZE): #undef before #define.
3876 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3878 * cppfiles.c: Update comments.
3879 (destroy_include_file_node): Rename destroy_node.
3880 (find_or_create_entry): New function.
3881 (open_file, _cpp_fake_include): Use it.
3882 (handle_missing_header): New function, broken out of
3883 _cpp_execute include. Don't segfault if there is no
3884 system or quoted path.
3885 (_cpp_execute_include): Use handle_missing_header.
3887 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3889 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3890 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3892 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3894 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3895 unless anti_dependence says they are.
3896 * alias.c (objects_must_conflict): If neither has a type specified,
3899 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3900 David Billinghurst <David.Billinghurst@riotinto.com>
3902 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3904 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3906 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3907 (*_one_bit): Remove type on the match_operand in attributes.
3909 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3911 * i386.c: Commit forgotten hunk in previous patch.
3912 (regclass_map): Add extended registers.
3913 (dbx_register_map): Add missing frame register.
3915 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3917 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3919 * i386.md (x86_sahf_1): Disable for 64bit.
3920 (popsi*, pophi*): Likewise.
3921 (pushqi, pushhi): Likewise.
3922 (movdi, pushdi): Likewise.
3923 (zero extend DImode splitter): Likewise.
3924 (adddi, minusdi splitter): Likewise.
3925 (umulsidi): Likewise.
3927 (mulsidi): Disable for 64bit
3928 (lshift:DI/ashift:DI): Disable for 64bit.
3929 (loop patterns): Likewise.
3930 (call_pop, call_value_pop expanders and patterns): Likewise.
3931 (prologue_get_pc): Likewise.
3933 (fcmovDI pattern and splitter): Likewise.
3934 (movdfcc_1_rex64): New.
3936 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3938 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3939 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3940 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3941 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3942 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3943 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3944 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3945 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3946 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3947 (REGPARM_MAX): Set to 6 for x86_64.
3948 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3949 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3952 * (patterns that does use upper halves): Update constraints
3953 'q' to 'Q' and 'r' to 'R'.
3954 (cmpqi_ext_1): Disable for 64bit.
3955 (cmpqi_ext_3_insn): Likewise.
3956 (movqi_extzv_1): Likewsie.
3957 (addqi_ext_1): Liekwsie
3958 (testqi_ext_1): Liekwsie
3959 (andqi_ext_1): Liekwsie
3960 (xorqi_ext_1): Liekwsie
3961 (cmpqi_ext_1_rex64): New.
3962 (cmpqi_ext_3_insn_rex64): Likewise.
3963 (movqi_extzv_1_rex64): Likewsie.
3964 (addqi_ext_1_rex64): Liekwsie
3965 (testqi_ext_1_rex64): Liekwsie
3966 (andqi_ext_1_rex64): Liekwsie
3967 (xorqi_ext_1_rex64): Liekwsie
3969 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3971 * configure.in: Move check for unsigned enumerated bitfields
3972 to macro in aclocal.m4. Disable it for now.
3973 * configure, config.in: Regenerate.
3974 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3975 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3976 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3977 kind above its first use.
3979 * config/xm-interix.h, config/alpha/xm-alpha.h,
3980 config/i370/xm-linux.h, config/i386/xm-beos.h,
3981 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3982 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3983 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3984 Don't define ONLY_INT_FIELDS under any circumstances.
3986 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3988 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3989 config/sparc/xm-sysv4.h: Delete - now identical with some
3991 * config.gcc (hppa targets): Replace xm-pahpux.h and
3992 xm-papro.h with implicit xm-pa.h.
3993 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3996 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3998 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3999 before reload_cse_noop_set_p.
4001 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4003 * config.gcc: Where xm-host.h used to include another
4004 xm-host.h, list the nested header directly in xm_file. Remove
4005 references to deleted files. Can now use sparc/xm-sp64.h for
4008 * config/xm-linux.h, config/arm/xm-linux.h,
4009 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4010 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4011 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4012 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4013 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4016 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4017 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4018 bother to wrap #undef in #ifdef.
4019 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4020 Don't include xm-linux.h.
4021 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4023 * configure.in: Wrap regexps using [] in changequote block.
4024 Use expr : not echo | grep. Simplify regexps.
4025 * configure: Regenerate.
4027 56 xm-files remain, 22 xm-arch.
4029 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4031 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4032 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4033 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4034 (copy_object): Fix format specifier vs argument mismatch.
4036 * mips-tdump.c: Make local functions static.
4037 (rindex): Don't #undef.
4038 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4039 (fatal, fancy_abort): Delete.
4040 (read_seek): Avoid signed/unsigned compare.
4042 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4044 * combine.c (try_combine): Fix error in change to try original
4046 (gen_rtx_combine): Do same as gen_rtx for now.
4048 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4050 * configure.in: AC_SUBST xm_defines.
4051 * configure: Regenerate.
4052 * Makefile.in: Set DEFINES=$(xm_defines) when building
4055 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4057 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4058 (cpp_included, find_include_file): Update.
4059 (_cpp_compare_file_date): Make else unconditional.
4061 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4063 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4065 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4067 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4068 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4070 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4072 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4073 if it's a record type.
4075 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4077 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4078 mingw includes slightly.
4080 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4082 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4083 #undef token before poisoning it.
4085 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4087 * alpha.c (check_float_value): Use memcpy, not bcopy.
4089 * m32r.c (m32r_sched_reorder): Likewise.
4091 * vax.c (check_float_value): Likewise.
4093 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4095 * toplev.c (file_name_nondirectory): Remove.
4096 * toplev.h: Similarly.
4097 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4098 of file_name_nondirectory.
4100 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4102 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4103 * mips-tfile.c: Don't #undef rindex; not used.
4105 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4107 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4108 (dbx64_register_map): Declare.
4109 (RETURN_ADDR_RTX): Fix for 64bit.
4110 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4111 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4112 * i386.c (dbx64_register_map): New global array.
4113 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4114 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4117 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4119 * cppfiles.c (search_from): Use lbasename.
4120 * mkdeps.c (deps_add_default_target): Use lbasename.
4122 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4124 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4125 xcalloc in lieu of malloc, realloc & calloc.
4127 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4129 * gengenrtl.c (xmalloc): Likewise.
4131 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4132 really_call_* memory allocation routines.
4134 * stmt.c (check_for_full_enumeration_handling): Use
4135 really_call_calloc, not calloc.
4137 * system.h (really_call_malloc, really_call_calloc,
4138 really_call_realloc): Define.
4139 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4141 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4143 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4145 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4147 * configure: Rebuilt.
4148 * configure.in: Only use `lang_requires' for languages athat are
4151 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4153 * invoke.texi: Fix typo.
4154 * gcc.1: Regenerate.
4156 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4158 * configure.in: Prune nonexistent files from build_xm_file,
4159 xm_file, and host_xm_file lists. Warn unless they're
4161 Don't generate *config.h here.
4162 AC_SUBST all variables needed to generate *config.h.
4163 * configure: Regenerate.
4164 * mkconfig.sh: New helper script, from code removed from
4166 * Makefile.in: Zap all MALLOC variables - no longer used
4167 anywhere, and malloc.c doesn't exist.
4168 Substitute in variables needed to generate *config.h.
4169 Stop lying about the dependencies contained in CONFIG_H and
4171 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4172 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4173 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4174 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4175 $(TM_P_H), etc. as appropriate.
4177 * config.gcc: Zap references to deleted files.
4178 * ggc-none.c: Don't include rtl.h or tm_p.h.
4180 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4181 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4182 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4183 config/i386/xm-linux.h, config/i386/xm-linux.h,
4184 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4185 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4186 Don't include i386/xm-i386.h.
4188 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4189 config/i386/xm-i386.h, config/i860/xm-i860.h,
4190 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4191 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4192 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4193 Delete (empty except comments, #includes of other deleted
4194 files, and macros used nowhere).
4196 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4198 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4199 independent on TARGET_FLAGS.
4201 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4203 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4205 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4207 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4209 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4210 LAST_REX_SSE_REG): define.
4211 (enum reg_class): Add 'LEGACY_REGS'
4212 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4213 (SSE_REGNO_P): Recognize extended registers.
4214 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4215 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4216 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4217 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4218 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4219 REG_OK_FOR_STRREG_P): Remove.
4220 (HI_REGISTER_NAMES): Add extended registers.
4221 (ADDITIONAL_REGISTER_NAMES): Likewise.
4222 (QI_REGISTER_NAMES): Add 8bit extended registers.
4223 (DEBUG_REG): Support extended registers.
4224 * i386.c (regclass_map): Add extended registers.
4225 (dbx_register-map): Likewise.
4226 (svr4_dbx_register_map): Likewise.
4227 (print_reg): Support extended registers.
4228 (print_operand): Support 64bit operands.
4230 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4232 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4233 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4234 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4235 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4236 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4237 STACK_BOUNDARY): Set properly for 64bits.
4238 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4239 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4240 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4241 (MOVE_MAX): Set to 16.
4242 (MOVE_MAX_PIECES): 8 for 64bit.
4243 (Pmode): Set to SImode.
4245 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4247 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4249 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4251 * i386.h (mask_64bit): New constant.
4252 (target_64bit): New macro.
4253 (target_options): Add '64'/'32'
4254 (target_default): Define.
4255 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4256 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4257 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4259 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4261 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4263 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4265 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4266 LO_SUM unless for_alias is set.
4268 2001-03-08 Stan Shebs <shebs@apple.com>
4270 * objc/objc-act.c: Fix old typos in comments, add comments for
4272 (hash_init): Fix file name in error message.
4273 (hash_enter): Ditto.
4274 (hash_add_attr): Ditto.
4275 (continue_class): Ditto.
4277 2001-03-08 Bruce Korb <bkorb@gnu.org>
4279 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4280 wait4() can receive the signal.
4282 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4284 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4286 * fixinc/fixincl.x: Regenerate.
4288 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4290 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4292 * fixinc/fixincl.x: Regenerate.
4294 2001-03-08 Richard Henderson <rth@redhat.com>
4296 * configure.in (HAVE_AS_LEB128): New assembler check.
4297 * configure, config.in: Rebuilt.
4299 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4301 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4304 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4306 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4307 references to the MAXPATHLEN macro.
4309 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4310 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4313 * config/i386/xm-gnu.h, config/xm-gnu.h,
4314 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4315 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4316 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4317 and/or unused files.
4319 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4320 doing so in various xm-*.h files.
4322 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4324 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4326 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4328 * configure.in (enable_shared): Support per-package shared-library
4330 * configure: Rebuilt.
4332 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4334 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4335 for crnot. Set operands[5] in splitter.
4337 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4339 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4340 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4341 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4342 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4343 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4344 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4345 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4348 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4349 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4350 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4351 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4352 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4353 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4354 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4355 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4356 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4357 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4358 Delete unused and/or empty files.
4360 * config.gcc: Define USG in xm_defines as appropriate. Define
4361 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4362 macro. Remove deleted xm-* files from $xm_files variable.
4364 2001-03-07 Tom Tromey <tromey@redhat.com>
4366 * configure: Rebuilt.
4367 * configure.in: Allow config-lang.in to set `lang_requires' to list
4368 of other required languages.
4370 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4372 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4374 (output_prologue): Use xmalloc not oballoc.
4375 (output_epilog): Free a29k_first_epilogue_insn when finished.
4376 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4378 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4380 * builtins.c (expand_builtin_mathfn): Check
4381 flag_unsafe_math_optimizations, not flag_fast_math.
4382 (expand_builtin): Likewise
4383 * combine.c (combine_simplify_rtx): Likewise.
4384 (simplify_if_then_else): Likewise.
4385 * cse.c (fold_rtx): Likewise.
4386 * flags.h: Remove flag_fast_math. Add
4387 flag_unsafe_math_optimizations and flag_trapping_math.
4388 * fold-const.c (negate_expr): Check
4389 flag_unsafe_math_optimizations, not flag_fast_math.
4390 (invert_truthvalue): Likewise.
4391 (fold): Likewise. Before associating operands, check that
4392 code == MULT_EXPR, not code != MULT_EXPR.
4393 * ifcvt.c (noce_try_minmax): Check
4394 flag_unsafe_math_optimizations, not flag_fast_math.
4395 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4396 * invoke.texi: Document -funsafe-math-optimizations and
4397 -fno-trapping-math. Change documentation for -ffast-math.
4398 * jump.c (reversed_comparison_code_parts): Likewise.
4399 (rtx_equal_for_thread_p): Likewise.
4400 * optabs.c (emit_conditional_move): Likewise.
4401 * simplify-rtx.c (simplify_binary_operation): Likewise.
4402 (simplify_relational_operation): Likewise.
4403 (simplify_ternary_operation): Likewise.
4404 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4405 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4406 Add trapping-math and unsafe-math-optimizations entries to f_options.
4407 (set_fast_math_flags): New, sets flags for -ffast-math.
4408 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4409 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4410 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4412 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4413 (alpha_emit_conditional_move): Initialize local_fast_math to
4414 flag_unsafe_math_optimizations, not flat_fast_math.
4415 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4416 instead of setting flag_fast_math to 1.
4417 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4419 * config/i386/i386.c (override_options): Likewise
4420 * config/i386/i386.md: Likewise.
4421 * config/m68k/m68k.md: Likewise.
4422 * config/mips/mips.md: Likewise.
4423 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4424 (rs6000_generate_compare): Likewise.
4426 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4428 * Makefile.in: Set RANLIB to @RANLIB@.
4431 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4433 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4434 * fixinc/fixincl.x: Regenerated.
4436 2001-03-07 Richard Henderson <rth@redhat.com>
4438 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4440 2001-03-07 Richard Henderson <rth@redhat.com>
4442 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4443 of block notes and exception handling notes.
4445 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4446 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4447 (compile_file): ... here.
4449 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4451 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4453 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4454 config.h now. Include libiberty.h to handle alloca.
4456 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4458 * c-parse.in (yylexname): New function, split out of _yylex.
4459 (objc_rid_sans_at): New table.
4460 (init_reswords): Initialize it.
4461 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4462 retrieving the next token and checking it for significance as
4463 an ObjC keyword or string constant.
4465 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4466 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4468 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4471 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4473 * config/m68k/m68k.c (const_uint32_operand): Accept any
4474 const_int on a 32-bit host.
4476 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4478 * objc/objc-act.c (init_objc): Set save_lang_status,
4479 restore_lang_status, and mark_lang_status.
4481 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4483 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4485 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4487 * cppinternals.texi: Update.
4489 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4491 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4492 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4493 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4494 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4495 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4496 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4497 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4498 config/i386/xm-i386.h, config/i860/xm-i860.h,
4499 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4500 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4501 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4502 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4503 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4504 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4505 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4506 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4507 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4508 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4509 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4510 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4511 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4512 match the defaults provided in hwint.h.
4514 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4515 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4517 * config.gcc (xm_file): Don't set to files which are deleted.
4519 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4520 guard this file against these macros being undefined.
4522 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4524 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4525 and DECL_DEFER_OUTPUT on the decl we create, before calling
4526 rest_of_decl_compilation.
4528 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4530 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4532 * configure, config.in: Regenerate.
4533 * config.gcc: Remove references to deleted files.
4535 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4536 genrecog.c, rtl.c: Do not use alloca anywhere.
4538 * Makefile.in, build-make, system.h, config/x-interix,
4539 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4540 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4541 config/arc/xm-arc.h, config/arm/xm-arm.h,
4542 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4543 config/h8300/xm-h8300.h, config/i370/x-oe,
4544 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4545 config/i386/x-ncr3000, config/i386/x-sco5,
4546 config/i386/xm-dgux.h, config/i860/x-sysv4,
4547 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4548 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4549 config/m68k/x-hp320g, config/m69k/x-mot3300,
4550 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4551 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4552 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4553 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4554 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4555 config/mips/x-iris, config/mips/x-iris3,
4556 config/mips/x-sni-svr4, config/mips/x-sysv,
4557 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4558 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4559 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4560 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4561 config/pa/xm-papro.h, config/romp/xm-romp.h,
4562 config/rs6000/x-aix31, config/rs6000/x-aix41,
4563 config/rs6000/x-beos, config/rs6000/x-lynx,
4564 config/rs6000/x-mach, config/rs6000/x-rs6000,
4565 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4566 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4567 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4568 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4569 config/vax/xm-vms.h: Eradicate all references to alloca and
4572 * config/xm-alloca.h, config/clipper/x-clix,
4573 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4574 config/i860/x-sysv3, config/m88k/x-sysv3,
4575 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4576 (contained only alloca related hacks).
4578 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4581 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4583 * invoke.texi: Document __FAST_MATH__.
4585 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4587 * crtstuff.c: Restore include of auto-host.h.
4589 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4591 Put main() in a separate file, so that the language
4592 front-end can use a different main().
4595 * toplev.c: (main): Rename as toplev_main.
4596 * toplev.h: Declare toplev_main.
4597 * Makefile.in (OBJS): add toplev.o.
4598 (BACKEND): remove toplev.o, add main.o.
4600 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4602 * cppfiles.c (search_from): Special case the empty string.
4604 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4606 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4607 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4608 strlen or strcpy; we already know the length.
4609 (_cpp_compare_file_date): Similarly.
4610 * cpphash.h (struct cpp_reader): Delete done_initialising.
4611 (CPP_PREV_BUFFER): Delete.
4612 * cppinit.c (cpp_start_read): Don't set done_initialising.
4613 * cpplex.c (parse_string): Guarantee null-termination.
4614 (_cpp_equiv_toklists): Remove.
4615 * cpplib.c (glue_header_name): Null-terminate.
4616 (do_line): Don't leak memory.
4617 * cpplib.h (BT_WEAK): Delete.
4618 * cppmain.c (cb_ident): Strings are now null-terminated.
4620 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4622 * gcc.c (convert_filename): Append executable suffix
4623 if NO_AUTO_EXE_SUFFIX is not defined.
4624 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4625 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4627 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4629 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4630 * c-parse.gperf, c-gperf.h: Delete.
4631 (c-gperf.h was accidently re-added to the CVS repo in the rev
4632 1.16 commit by tromey)
4634 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4636 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4637 macro arguments when looking for the '('.
4638 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4639 2 when really parsing arguments; 1 when looking for '('.
4640 Always restore the lexer position.
4642 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4644 * longlong.h (umul_ppmm): Don't use a multiline string.
4646 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4648 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4649 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4650 t_bool in declaration because pcc can't combine volatile with typedef
4653 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4655 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4656 until when it is really needed.
4657 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4658 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4659 * i386.md (float?i?f splitter): Don't force source operand to memory
4661 (sse_movdfcc): Fix constraint.
4662 (sse_movdfcc splitter): Handle properly the second alternative.
4664 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4666 * cpplex.c (parse_string): Unconditionally pedwarn.
4668 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4671 * cppexp.c (parse_number): Update.
4672 * cpplex.c (parse_string): Pedwarn if multiline string does not
4673 result from a system header's macro.
4674 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4675 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4676 for function-like macros too.
4677 * c-lex.c (lex_number): Update.
4679 2001-03-03 Richard Henderson <rth@redhat.com>
4681 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4683 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4685 * combine.c (try_combine): If split with mode-changed scratch
4686 register didn't work, try the original mode.
4688 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4690 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4691 * config/c4x/c4x.h: Likewise.
4692 * stor-layout.c (compute_record_mode): Likewise.
4693 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4695 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4697 * configure.in: Kill tm.h. Include the files in the $tm_file
4698 list in all three of config.h, hconfig.h, tconfig.h, after the
4699 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4700 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4701 * configure: Regenerate.
4702 * Makefile.in (clean): Don't delete tm.h.
4704 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4705 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4706 those are not defined, set SEC and FEC to 0 and 1.
4707 * gcc.texi: Update to match.
4709 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4710 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4711 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4712 Include tconfig.h, not tm.h.
4714 * config/xm-lynx.h, config/xm-std32.h,
4715 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4716 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4717 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4718 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4719 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4720 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4721 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4722 config/i386/xm-i386.h, config/i860/xm-i860.h,
4723 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4724 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4725 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4726 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4727 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4728 config/pa/xm-linux.h, config/pa/xm-pa.h,
4729 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4730 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4731 config/pj/xm-pj.h, config/romp/xm-romp.h,
4732 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4733 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4734 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4735 config/v850/xm-v850.h, config/vax/xm-vax.h,
4736 config/we32k/xm-we32k.h:
4738 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4740 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4741 config/i370/xm-oe.h: Don't include tm.h. Don't define
4743 * config/vax/xm-vms.h: Don't include tm.h.
4745 * config/xm-lynx.h, config/avr/xm-avr.h,
4746 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4747 Delete; made empty by above changes.
4748 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4749 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4750 Don't include config/xm-lynx.h or tm.h.
4752 * config/xm-gnu.h: Don't include fcntl.h.
4753 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4755 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4757 2001-03-02 Richard Henderson <rth@redhat.com>
4759 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4760 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4762 2001-03-02 Richard Henderson <rth@redhat.com>
4764 * Makefile.in (OBJS): Add dwarf2asm.o.
4765 * dwarf2asm.c, dwarf2asm.h: New files.
4766 * dwarf2out.c (*): Use them.
4767 (size_of_uleb128, size_of_sleb128): Remove.
4768 (output_uleb128, output_sleb128): Remove.
4769 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4770 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4771 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4772 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4773 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4774 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4775 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4776 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4777 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4778 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4779 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4780 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4781 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4782 (dwarf2out_frame_debug): Remove unused variables.
4783 (output_loc_operands): Don't abort on 8 byte constants if
4784 host integers are wide enough.
4785 (output_symbolic_ref): Remove.
4786 (size_of_die): Don't assume 4 byte host integers.
4787 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4789 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4790 something stupid with HOST_WIDE_INT to long truncation.
4791 [CONST_DOUBLE]: Likewise.
4793 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4794 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4795 * config/arm/unknown-elf.h: Likewise.
4796 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4797 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4798 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4799 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4800 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4801 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4802 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4803 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4804 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4805 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4806 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4807 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4809 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4811 * cselib.c (hash_rtx): Cast enums to unsigned int.
4813 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4815 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4816 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4818 * c-format.c (C_STD_VER): Cast to int for comparisons.
4819 (check_function_format): Cast various enums to int for &.
4820 (maybe_read_dollar_number): Likewise.
4821 (check_format_info): Likewise.
4822 (check_format_info_main): Likewise.
4823 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4824 (safe_from_p): Likewise.
4825 * varasm.c (const_hash): Cast enum to int for %.
4826 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4827 pcc enum problems with < and ++ operators.
4828 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4829 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4830 (regclass_init): Change enum class to int to iterate over reg_classes.
4831 * genrecog.c (merge_trees): Cast enums for comparison.
4832 * rtl.h (GET_CODE): Cast to enum rtx_code.
4833 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4834 (GET_MODE): Cast to enum machine_mode.
4835 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4836 (GET_NOTE_INSN_NAME): Cast enum to int.
4837 * tree.h (TREE_CODE): Cast to enum tree_code.
4838 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4839 * timevar.c (timevar_print): Change loop variable id from enum to
4841 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4842 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4843 * toplev.c (compile_file): Cast enum DFI to int.
4844 (decode_d_option): Likewise.
4846 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4848 * cppinit.c (append_include_chain): Mark "after" include file name list
4849 as a system directory.
4850 * cpp.texi: Document new behavior.
4852 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4854 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4856 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4858 * cppfiles.c (struct include_file): Update.
4859 (stack_include_file): Use search_from.
4860 (cpp_included, find_include_file): Update.
4861 (cpp_execute_include): Update. ptr->name may not be
4862 null terminated. Use the new search_from member variable
4864 (_cpp_compare_file_date): Similarly.
4865 (search_from): New function, similiar to actual_directory.
4866 (actual_directory): Delete.
4867 (remap_filename): Update. loc->name may not be null terminated.
4868 (struct file_name_list): Rename search_path. Update.
4869 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4870 search_from and dir.
4871 (struct cpp_reader): Remove actual_dirs.
4872 * cppinit.c (struct cpp_pending): Update for renamed objects.
4873 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4874 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4875 * cpplib.h (struct cpp_options): Similarly.
4877 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4879 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4880 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4881 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4882 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4883 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4884 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4885 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4886 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4887 config/i370/xm-oe.h, config/i386/xm-aix.h,
4888 config/i386/xm-i386.h, config/i386/xm-osf.h,
4889 config/i860/xm-i860.h, config/i960/xm-i960.h,
4890 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4891 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4892 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4893 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4894 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4895 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4896 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4897 config/pj/xm-pj.h, config/romp/xm-romp.h,
4898 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4899 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4900 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4901 config/v850/xm-v850.h, config/vax/xm-vax.h,
4902 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4903 Do not define TRUE or FALSE.
4905 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4906 empty by above change.
4907 * config.gcc: Remove references to these files.
4909 * configure.in: Detect stdbool.h.
4910 * configure, config.in: Regenerate.
4911 * system.h: Include stddef.h here if available.
4912 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4913 Then set up a sensible boolean type at the very end.
4915 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4916 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4918 * hash.h: Delete 'boolean' typedef and related #undefs.
4920 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4921 all uses of 'boolean' with 'bool'.
4923 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4925 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4926 * cppexp.c (lex): Cast enums for comparison.
4927 * cppinit.c (parse_option): Cast enum for comparison.
4928 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4929 (cpp_output_token): Likewise.
4930 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4931 (cpp_avoid_paste): Cast enums for minus and comparison.
4933 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4935 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4936 field to all array elements.
4938 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4940 * cpphash.h (struct cpp_reader): Add print_version field.
4941 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4942 just set print_version and other flags as appropriate.
4943 (cpp_post_options): Print version here if print_version is set.
4945 * toplev.c (exit_after_options): New flag.
4946 (independent_decode_option): Don't exit here; just set
4948 (main): Exit after calling lang_hooks.post_options if
4949 exit_after_options is true.
4951 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4952 (merge_include_chains): Adjust comment to match code.
4954 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4956 * stringpool.c (set_identifier): New function.
4957 * tree.h: Prototype it.
4959 * c-parse.in: Kill D_YES. If compiled for objc, call
4960 save_and_forget_protocol_qualifiers from init_reswords.
4961 * objc/objc-act.c (remember_protocol_qualifiers,
4962 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4963 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4965 (save_and_forget_protocol_qualifiers): New function.
4966 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4968 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4970 * c-semantics.c (prune_unused_decls): Return error_mark_node
4971 instead of (tree) 1 to stop traversing the tree chain.
4973 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4975 Fix a problem introduced by Kenner's Feb 18 change.
4976 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4977 flag_cse_skip_blocks only temporarily, not for ever.
4979 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4981 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4982 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4984 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4985 before determining its register class.
4987 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4989 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4990 from reg 4 if current_function_calls_setjmp.
4991 (gen_nop_type): New function.
4992 (ia64_emit_nops): New function.
4993 (ia64_reorg): Call it.
4994 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4996 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4997 code not to try to optimize adds with anything but a REG destination.
4999 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5000 (INSN_PRIORITY_KNOWN): New accessor macro.
5001 * haifa-sched.c (priority): Use it instead of testing priority against
5004 2001-02-28 DJ Delorie <dj@redhat.com>
5006 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5007 since that doesn't work the way gcc wants on a generic m68k.
5009 2001-02-28 Richard Henderson <rth@redhat.com>
5011 * caller-save.c (save_call_clobbered_regs): Fix typo in
5012 comparison last change.
5014 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5016 * i386.c (pentium4_cost): New.
5017 (m_PENT4): New macro.
5018 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5019 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5020 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5021 x86_memory_mismatch_stall): Add Pentium4
5022 (x86_use_q_reg, x86_use_any_reg): Kill.
5023 (override_options): Add pentium4.
5024 (incdec_operand): Return 0 for pentium4.
5025 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5026 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5027 (TARGET_PENTIUM4): Define.
5028 (enum processor_type): Add PROCESSOR_PENTIUM4.
5029 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5030 * i386.md (attribute "cpu"): Add pentium4.
5031 * invoke.texi (march): Add pentium4.
5033 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5035 * i386.md (sse_mov?fcc*): New patterns and splitters.
5036 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5037 the SSE based conditional moves.
5039 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5041 * i386.md (attribute mode): Add "TI".
5042 (movsf_1): Add pxor support; remove constant propagation splitter.
5043 (movdf_integer): Likewise.
5044 (movdf_nointeger): Likewise.
5045 (movxf constant prop splitter): Handle all modes; update for SSE.
5046 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5047 * i386.c (standard_80387_constant_p): Rewrite.
5048 (standard_sse_constant_p): New.
5049 * i386-protos.h (standard_sse_constant_p): New.
5051 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5053 * i386.md (sse_setccsf, sse_setccdf): New.
5054 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5056 * i386.c (sse_comparison_operator): Accept the supported unordered
5057 comparses; be ready for fast_math.
5058 (print_operand): Support 'D'.
5060 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5062 * jump.c (reversed_comparison_code): Kill.
5064 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5066 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5069 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5071 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5072 add missing '%' in constraints.
5074 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5076 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5077 for HOST_BITS_PER_WIDE_INT == 32 too.
5079 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5081 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5083 (insert_save, insert_restore): New parameter save_mode.
5084 (init_caller_save): Update initialization of reg_save_code
5085 and reg_restore_code.
5086 (save_call_clobbered_regs): Compute save_modes and update calls to
5087 reg_save_code and reg_restore_code.
5088 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5089 of spill; update use of reg_restore_code.
5090 (insert_save): Likewise.
5091 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5092 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5093 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5095 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5097 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5098 noce_try_store_flag_inc, noce_try_store_flag_mask,
5099 noce_try_cmove_arith):
5100 Use reversed_comparison_code instead of reverse_comparison and
5101 can_reverse_comparison_p.
5103 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5105 * jump.c (reversed_comparison_code_parts): Allow reversal of
5106 unordered compares in -ffast-math mode; reverse ordered compares
5107 for FP even w/o -ffast-math.
5109 2001-02-27 Richard Henderson <rth@redhat.com>
5111 * print-rtl.c (print_rtx) [i]: Don't print field five on
5112 NOTEs other than NOTE_INSN_DELETED_LABEL.
5114 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5116 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5117 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5119 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5121 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5122 even if walk_subtrees is 0.
5123 * c-semantics.c (prune_unused_decls): Return a non-null value to
5124 stop traversing the tree chain.
5126 2001-02-27 DJ Delorie <dj@redhat.com>
5128 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5129 register, *then* define it as the new CFA.
5131 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5133 * pa.c (override_options): Promote -fpic to -fPIC.
5134 (legitimize_pic_address): Simplify due to removal of
5135 small PIC as a code generation option.
5136 (secondary_reload_class): Similarly.
5137 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5138 (PRINT_OPERAND_ADDRESS): Similarly.
5139 * pa.md (various patterns): Similarly.
5140 (small pic lo_sum pattern): Remove.
5142 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5145 * md.texi (min, max): Document
5147 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5149 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5150 TARGET_PARTIAL_REG_DEPENDENCY.
5151 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5153 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5155 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5157 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5159 * mips.c (mips_make_temp_file): Fix thinko in last change.
5161 2001-02-26 Jason Eckhardt <jle@redhat.com>
5163 * combine.c (known_cond): Do not reverse the condition when
5164 SMAX/UMAX is being considered and the condition is for equality
5167 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5169 2001-02-26 Philip Blundell <philb@gnu.org>
5171 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5173 * config/arm/linux-elf.h: Remove historical relics related to
5174 above configurations.
5175 * config/arm/linux-oldld.h: Delete.
5176 * config/arm/linux-elf26.h: Delete.
5178 2001-02-26 Jason Merrill <jason@redhat.com>
5180 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5182 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5183 recognize a tentative definition. Lose obsolete code.
5185 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5186 variables unless necessary, either.
5188 2001-02-25 Richard Henderson <rth@redhat.com>
5190 * ifcvt.c (struct noce_if_info): Add test_bb.
5191 (noce_get_alt_condition): New.
5192 (noce_try_minmax, noce_try_abs): New.
5193 (noce_operand_ok): New.
5194 (noce_process_if_block): Use them.
5195 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5197 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5199 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5202 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5204 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5205 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5207 (mips_asm_file_end): Free temp_filename here.
5209 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5211 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5212 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5214 * config/i386/i386.md (movstrsi): Handle FAIL case.
5216 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5218 * cppinit.c (builtin_array): Update.
5219 (init_builtins): Flag builtins to warn if redefined or
5220 undefined. Define __GXX_WEAK as a normal macro.
5221 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5222 * cpplib.h (NODE_WARN): New flag.
5223 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5224 Handle __STDC__ as a builtin only on Solaris.
5225 (warn_of_redefinition): Renamed from check_macro_definition.
5226 Reverse sense of test. Always warn if NODE_WARN.
5227 (_cpp_create_definition): Use warn_of_redefinition. Flag
5228 any macro beginning with "__STDC_" to require a mandatory
5229 warning if redefined or undefined.
5231 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5233 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5234 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5235 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5236 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5237 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5238 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5239 Don't define any of:
5240 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5241 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5242 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5243 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5244 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5246 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5247 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5250 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5251 Delete now-empty file.
5253 * alpha/vms.h: Define NEED_ATEXIT here...
5254 * alpha/xm-vms.h: ...not here.
5256 * i386/cygwin.h: Don't define PARAMS.
5257 * mips/mips.c: Don't prototype mktemp. Don't define
5258 P_tmpdir. Use make_temp_file to create temporary files.
5259 Don't be clever and delete temporary files early.
5260 * config.gcc: Drop references to deleted files. Don't define
5262 * gcc.texi: Don't mention USE_PROTOTYPES.
5264 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5266 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5267 (ix86_set_move_mem_attrs_1): Likewise.
5268 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5269 * config/i386/i386.md (movstrsi): Call it.
5271 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5273 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5274 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5275 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5276 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5278 (i750a-*-*): Error here if hosting on i750a.
5279 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5281 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5282 Remove (empty modulo comments).
5284 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5285 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5286 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5287 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5288 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5289 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5291 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5292 Remove reference to winnt.h in comment.
5293 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5295 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5297 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5298 used to set another biv.
5300 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5302 * tree.h (BLOCK_DEAD): New macro.
5303 (struct tree_block): New flag, dead_flag.
5304 * print-tree.c (print_node, case 'b'): Print missing fields.
5305 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5306 * function.c (identify_blocks): Enable test for misplaced notes.
5307 (all_blocks): Skip BLOCK_DEAD blocks.
5308 * integrate.c (integrate_decl_tree): Likewise.
5310 * errors.c (internal_error, trim_filename): New functions.
5311 (fancy_abort): Call internal_error.
5312 * errors.h (internal_error, trim_filename): New declarations.
5314 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5316 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5318 (EXTRA_CONSTRAINT): Formatting changes.
5320 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5322 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5324 2001-02-23 Per Bothner <per@bothner.com>
5326 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5327 so they can be called from java/jvspec.c.
5328 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5330 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5332 * i386.c (ix86_frame): New structure.
5333 (ix86_compute_frame_size): Kill.
5334 (ix86_compute_frame_layout): New.
5335 (ix86_save_reg): New.
5336 (ix86_can_use_return_insn_p): Use frame layout stuff.
5337 (ix86_expand_prologue): Likewise.
5338 (ix86_expand_epilogue): Likewise.
5339 (ix86_initial_elimination_offset): Likewise.
5340 (ix86_nsaved_regs): Use ix86_save_reg.
5341 (ix86_emit_save_regs): Likewise.
5343 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5345 * flow.c (find_sub_basic_blocks): New function.
5346 (split_block): Be ready for basic block introduced by CODE_LABEL.
5347 (commit_one_edge_insertion): Call find_sub_basic_block.
5349 * flow.c (make_edges): Add edge from entry for blocks starting with
5350 label having ALTERNATE_NAME
5352 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5354 * function.c (epilogue_done): Be ready for first basic block not
5355 containing PROLOGUE_END note.
5356 (reposition_prologue_and_epilogue_notes): Avoid placing
5357 PROLOGUE_END note between BASIC_BLOCK.
5359 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5361 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5363 2001-02-21 DJ Delorie <dj@redhat.com>
5365 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5366 check for current_function_has_nonlocal_goto from 1999-11-12.
5368 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5370 * diagnostic.c (trim_filename): No longer static.
5371 * toplev.h (trim_filename): Declare.
5372 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5373 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5374 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5375 (rtvec_check_failed_bounds): Likewise.
5376 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5378 * convert.c (convert_to_integer): Don't do unsigned unless result or
5379 both inputs are unsigned.
5381 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5384 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5386 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5388 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5390 * Makefile.in (resource.o): Add params.h dependence.
5391 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5392 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5393 * resource.c: Add dependence on params.h.
5394 (current_live_regs): Fix explanatory comment.
5395 (find_basic_block): Add new parameter to permit limiting search
5397 (mark_target_live_regs): Add new argument to find_basic_block call.
5398 (incr_ticks_for_insn): Likewise.
5400 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5402 * diagnostic.c (output_to_stream): Rename to
5403 output_buffer_to_stream. Loses the stream parameter.
5404 (init_output_buffer): Set diagnosic_buffer's stream.
5405 (flush_diagnostic_buffer): Adjust.
5406 (default_print_error_function): Likewise.
5407 (finish_diagnostic): Likewise.
5408 (verbatim): Likewise.
5410 * diagnostic.h (struct output_buffer): Add `stream' field.
5411 (output_buffer_attached_stream): New macro.
5413 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5415 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5416 check if either operand is divisible by C.
5417 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5418 If type is signed, consider negative numbers as well.
5420 2001-02-22 Richard Henderson <rth@redhat.com>
5422 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5423 reach .text instead of gp-relative relocs.
5424 * config/ia64/crtend.asm (.init): Likewise.
5426 2001-02-22 Andreas Jaeger <aj@suse.de>
5428 * extend.texi (C++ Attributes): Fix typo.
5430 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5432 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5433 functions, drop current_function_args_info.words test.
5434 (ia64_compute_frame_size): Mark syscall_linkage functions as
5435 using eight input registers.
5437 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5438 Bruce Korb <bkorb@gnu.org>
5440 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5441 * fixinc/README: Document how to convert sed substitutions
5442 to format style c_fix-es.
5443 * fixinc/fixincl.x: regen
5445 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5447 * gcc.c: Add comment explaining how to add a command-line option.
5448 Add title to specs language comment.
5450 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5452 * gcc.c (cc1_options): Add "-param".
5453 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5454 (option_map): Likewise.
5455 * toplev.c (display_help): Add entry for "--param".
5456 (independent_decode_option): Fix typographical error.
5458 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5459 Bernd Schmidt <bernds@redhat.com>
5460 Jan Hubicka <jh@suse.cz>
5462 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5463 (function_arg): Likewise.
5465 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5467 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5469 2001-02-21 Kazu Hirata <kazu@hxi.com>
5471 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5475 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5477 * flow.c (init_propagate_block_info): Canon address and use single_set
5478 for killing dead memory stores.
5480 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5482 * Makefile.in (reorg.o): Add params.h dependence.
5483 * params.def: Fix typographical error in comment.
5484 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5485 * params.h: Modify introductory comment.
5486 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5487 * reorg.c: Add dependence on params.h.
5488 (redundant_insn): Add parameterized throttle for search.
5489 (fill_simple_delay_slots): Add a comment explaining a variable.
5490 Move conditional out of loop, simplifying code.
5491 (fill_eager_delay_slots): Fix typographical error in comment.
5493 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5495 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5497 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5498 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5500 2001-02-21 Jason Merrill <jason@redhat.com>
5502 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5503 (struct tree_decl): Add uninlinable bitfield.
5504 * c-decl.c (duplicate_decls): Set it.
5505 * integrate.c (function_cannot_inline_p): Check it.
5507 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5508 DW_AT_MIPS_linkage_name to abstract methods.
5509 (dwarf2out_abstract_function): Emit class context before calling
5510 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5511 (gen_subprogram_die): Remove obsolete code.
5512 (gen_member_die): Don't include clones in the member list.
5513 (gen_decl_die): Emit abstract info for clone origin.
5514 * dwarfout.c (output_type): Don't include clones in the member list.
5515 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5516 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5517 DECL_ABSTRACT on a function that already has it set.
5519 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5520 (get_subprogram_die): Pass it in.
5522 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5524 * flow.c (mark_set_1): Make not_dead unsigned long. For
5525 non-pseudos, use it as a bitmask of the hard regs that
5528 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5530 * cppfiles.c: Update comments.
5531 (_cpp_read_file): Don't check for NULL filenames any more.
5532 * cppinit.c (cpp_start_read): Don't do canonicalization of
5533 in_fname and out_fname. Use the passed file name exclusively.
5534 (_cpp_handle_options): Don't treat "-" as a command line option,
5535 but as a normal filename.
5536 (_cpp_post_options): Canonicalize in_fname and out_fname.
5537 * cppmain.c (printer_init): Don't check out_fname for NULL.
5538 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5539 (init_c_lex): Update, and use "" to represent stdin to CPP.
5542 2001-02-20 Will Cohen <wcohen@redhat.com>
5544 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5545 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5546 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5549 2001-02-20 Stan Shebs <shebs@apple.com>
5551 * config/rs6000/rs6000.c (output_cbranch): Output branches
5552 on separate lines instead of using ';' to separate.
5554 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5556 * cppinit.c (set_lang): Move builtin handling to...
5557 (init_builtins): ...here.
5558 (_cpp_create_reader): Move call to set_lang.
5560 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5562 * stmt.c (expand_return): If an attempt is made to return the
5563 error_mar_node, treat the return like a return without a value.
5565 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5567 * sibcall.c (skip_copy_to_return_value): Call
5568 identify_call_return_value here, and return orig_insn if it
5569 returns zero. Hardret and softret arguments now unnecessary.
5570 (call_ends_block_p): Don't call identify_call_return_value here.
5572 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5574 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5575 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5577 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5579 * pa.c (move_operand): Accept code to load the address of a
5580 symbol out of the DLT as a valid move operand.
5581 (print_operand, case 'A'): New to handle generating a DLT
5582 reference for a LO_SUM expression.
5583 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5584 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5586 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5588 * README, cpp.texi, gcc.texi, version.c: Update version number to
5590 * cpp.1, gcov.1, gcc.1: Regenerate.
5592 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5594 * cppfiles.c (stack_include_file): Generate dependencies
5595 here, and manage include_count here too.
5596 (PRINT_THIS_DEP): Delete.
5597 (_cpp_execute_include): Do not generate dependencies here,
5598 apart from the case of a missing header. Do not manage
5600 (_cpp_read_file): Leave dependency generation to
5603 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5605 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5606 target_cpu_default. Remove dead assignment to
5609 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5611 * regclass.c (contains_reg_of_mode): Make global.
5612 (init_reg_sets): Remove contains_reg_of_mode; take into account
5613 CLASS_MAX_NREGS when looking for the proper mode.
5614 (dump_regclass): Dump only classes considered for the pseudo.
5615 (regclass): Use contains_reg_of_mode.
5617 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5619 * gcc.c (do_spec_1): 'n' for printing notices.
5620 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5622 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5624 * reg-stack.c (next_flags_user): Use current_block->end
5625 (swap_rtx_condition): Look for next user if flags don't die;
5626 give up on CALL_INSNs; use current_block->end.
5628 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5630 * sibcall.c (call_ends_block_p): New function.
5631 (optimize_sibling_and_tail_recursive_call): Use it.
5633 2001-02-18 Kazu Hirata <kazu@hxi.com>
5635 * config/h8300/h8300.md: Update copyright.
5636 (andsi3): Do not output an extra newline character.
5638 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5640 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5641 FNDECL may be unused.
5643 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5644 follow jumps after first run.
5645 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5646 it doesn't change any jumps.
5648 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5650 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5651 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5652 (mostlyclean): Corresponding changes.
5653 * rtlanal.c (hard-reg-set.h): Include.
5654 (rtx_unstable_p): Do not treat the argument pointer specially
5655 if it is not a fixed register.
5656 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5658 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5660 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5661 against last real insn in basic block.
5662 Rework to avoid gotos.
5664 * Makefile.in (gcse.o): Now includes ggc.h.
5665 * gcse.c: Include ggc.h.
5666 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5667 (try_replace_reg): Remove warning of uninitialize variable.
5668 (process_insert_insn): Call invalid_insn_p to validate insn.
5669 * recog.c (insn_invalid_p): Now global.
5670 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5671 * recog.h (insn_invalid_p): New declaration.
5673 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5675 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5676 assignments from FP constants since 'Y' output code can't handle it.
5677 (eligible_for_sibcall_delay): Likewise.
5679 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5680 Call fancy_abort directly, passing args.
5681 (print_rtl_and_abort): Now a macro, like fancy_abort.
5683 * final.c (output_operand_lossage): Use internal_error, not error.
5685 2001-02-18 Shane Nay <shane@agendacomputing.com>
5687 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5688 structure shift insns.
5690 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5692 * invoke.texi (-fsquangle): Remove documentation.
5693 (-fname-mangling-version): Likewise.
5695 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5697 * optabs.c (expand_abs): Remove reference to
5698 HAVE_contitional_arithmetic.
5699 * combine.c (simplify_set): Likewise.
5701 2001-02-18 Richard Henderson <rth@redhat.com>
5703 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5706 2001-02-18 Richard Henderson <rth@redhat.com>
5708 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5710 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5712 * reload1.c (reload_cse_simplify_set): Fix typo.
5714 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5716 * diagnostic.c (_fatal_insn): Decrement errorcount.
5718 * invoke.texi (-I): Add note avoiding use for system header files.
5720 * rtl.h (add_clobbers): Remove duplicate declaration.
5721 * recog.h (added_clobbers_hard_reg_p): New declaration.
5722 * genemit.c (struct clobber_pat): New field has_hard_reg.
5723 (gen_insn): Record if added clobbers clobber hard reg.
5724 (gen_split): Avoid unused warning if number of operands is 0.
5725 (output_added_clobbers_hard_reg_p): New function.
5728 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5730 * pa.c (hppa_expand_prologue): Simplify code storing return
5731 pointer. For large (>=8k) frames with a post_store, adjust stack
5732 pointer by 8k-64 first rather than by 64. When testing with
5733 VAL_14_BITS_P, always use the actual value rather than the value
5734 negated. Add blockage to prevent scheduling of spills before
5735 stack frame has been created.
5736 (hppa_expand_epilogue): Simplify code loading return pointer.
5737 Allow a slightly larger range for merge_sp_adjust_with_load case.
5738 When testing with VAL_14_BITS_P, always use the actual value.
5740 * pa.c (pa_adjust_insn_length): Check that block move
5741 pattern is a set before looking at operands.
5743 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5745 * fold-const.c (fold_binary_op_with_conditional_arg): New
5746 function, split out from ...
5748 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5749 conditional arms that throw exceptions.
5751 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5754 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5756 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5757 define HAVE_DECL_* to 1 to mask potential backup declarations.
5758 * configure: Regenerated.
5760 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5762 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5764 2001-02-17 Richard Henderson <rth@redhat.com>
5766 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5767 when replacing a memory load with a register.
5769 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5770 Jan Hubicka <jh@suse.cz>
5772 * recog.c (validate_replace_src_1): New.
5773 (validate_replace_src_data): Likewise.
5774 (validate_replace_src): Use note_uses.
5775 * rtl.h (note_uses): Declare.
5776 * rtlanal.c (note_uses): New.
5778 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5780 * reg-stack.c (stack_def): Make field reg unsigned.
5781 (remove_regno_note): Unsignetize parameter.
5783 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5785 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5786 shladd_operand() call.
5788 2001-02-16 Bruce Korb <bkorb@gnu.org>
5789 Rodney Brown <RodneyBrown@mynd.com>
5791 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5792 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5793 machine restrictions
5794 * fixinc/fixincl.x: regen
5796 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5798 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5800 (hash_scan_insn): Clean up calls to hash_scan_set.
5801 (compute_kill_rd): REGNO now unsigned.
5802 (try_replace_reg): Rework to use simplify_replace_rtx.
5803 (cprop_jump, cprop_cc0_jump): Likewise.
5804 (cprop_insn): Call find_reg_equal_equiv_note.
5805 Reflect changes to cprop_jump and cprop_cc0_jump.
5807 * recog.c (validate_replace_src): Replace in operands of
5808 ZERO_EXTRACT in SET_DEST.
5810 * cse.c (new_label_ref): New variable.
5811 (insert): Set it instead of recorded_label_ref.
5812 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5813 CODE_LABEL for this function, and not already in REG_LABEL note.
5815 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5817 * resource.c (mark_referenced_resources): Fix typo in introductory
5819 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5822 2001-02-16 Jason Merrill <jason@redhat.com>
5824 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5826 (gen_subprogram_die): Don't abort on seeing a second definition if
5827 the previous one was abstract. Don't replace an abstract instance
5828 in the lookup table.
5830 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5831 gen_abstract_function.
5832 * dwarf2out.h: Declare it.
5833 * toplev.c (note_outlining_of_inline_function): New fn.
5834 * toplev.h: Declare it.
5835 * integrate.c (output_inline_function): Call it.
5836 * c-decl.c (duplicate_decls): Call it when redefining an extern
5837 inline. Don't inline the new defn.
5839 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5841 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5843 * .gdbinit: Rename to gdbinit.in.
5844 * gdbinit.in: New file,
5845 * configure.in: Generate .gdbinit from gdbinit.in.
5846 * configure: Regenerated.
5847 * Makefile.in (distclean): Always remove .gdbinit.
5849 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5851 * objc/objc-act.c (start_class): Register implemented_classes with
5854 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5856 * cppfiles.c (_cpp_make_system_header): Generate a file
5859 2001-02-15 Jim Meyering <meyering@lucent.com>
5861 * Makefile.in (install-common): Don't depend on installdirs here.
5862 Instead, make each of the lang.install-common targets (e.g.,
5863 c++.install-common in cp/Make-lang.in) depend on it.
5864 (install-driver): Depend on installdirs.
5866 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5868 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5870 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5873 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5875 * invoke.texi (--param): Document.
5877 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5879 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5881 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5883 * i386.md (extendsfdf2_2): Fix constraints.
5885 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5887 * i386.md (fop_df_3 splitter): Fix operand number.
5889 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5891 * invoke.texi (-mreg-alloc): Nuke.
5892 * i386.c (ix86_reg_alloc_order, regs_allocated,
5893 order_regs_for_local_alloc): Nuke.
5894 (override_options): Kill reg_alloc code.
5895 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5896 (REG_ALLOC_ORDER): SSE goes before I387.
5897 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5898 (ix86_reg_alloc_order): Likewise.
5899 * i386-protos.h (ix86_reg_alloc_order): Kill.
5901 2001-02-14 Richard Henderson <rth@redhat.com>
5903 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5905 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5907 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5909 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5911 * i386-protos.h (ix86_memory_move_cost): Move offline.
5912 * i386.c (ix86_register_move_cost): Compute properly cost of
5913 SSE, MMX and i387 instructions.
5914 (*_cost): Add costs of SSE/MMX moves.
5915 (ix86_memory_move_cost): Move offline from ....; Likewise.
5916 * i386.h (MEMORY_MOVE_COST): .... here;
5917 (struct processor costs): Add new fields to represent costs
5920 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5922 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5923 move_cost together with Matt Kraai's fix.
5925 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5927 * Makefile.in (OBJS): Add params.o.
5929 2001-02-14 Richard Henderson <rth@redhat.com>
5930 DJ Delorie <dj@redhat.com>
5932 * jump.c (jump_optimize_1): When we delete a conditional jump
5933 preceeding a non-conditional jump to effectively the same place,
5934 make sure that the combined jump skips any clobber insns between
5937 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5939 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5941 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5943 * Makefile.in (toplev.o): Depend on params.h.
5944 (intergate.o): Likewise.
5945 (params.o): New target.
5946 * flags.h (inline_max_insns): Remove.
5947 * integrate.c: Include params.h.
5948 Use MAX_INLINE_INSNS instead of inline_max_insns.
5949 * params.c: New file.
5950 * params.h: Likewise.
5951 * params.def: Likewise.
5952 * toplev.c: Include params.h.
5953 (lang_independent_params): New variable.
5954 (decode_f_option): Use the param machinery instead of setting
5956 (independent_decode_option): Handle "--param name=value".
5957 (main): Register language-independent parameters.
5959 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5961 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5963 2001-02-14 Richard Henderson <rth@redhat.com>
5965 * regclass.c (init_reg_sets_1): Revert last two changes.
5967 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5969 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5970 (variable_size): Call put_pending_size.
5971 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5972 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5973 sizes list, put newly created SAVE_EXPR there as well.
5975 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5977 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5978 (errata_find_address_regs): load_group has only 2 entries.
5979 (errata_emit_nops): Likewise. shladd is not problematic.
5980 Clear last_group if nop was emitted.
5981 (fixup_errata): load_group has only 2 entries.
5984 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5986 * c-lex.c (lex_number): Only warn traditionally for U suffix
5987 outside system macros.
5988 * cppexp.c (parse_number): Similarly.
5989 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5990 * cppmacro.c (struct cpp_macro): New member node.
5991 (parse_args): Only warn about missing rest args if not
5993 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5994 (cpp_sys_objmacro_p): New.
5995 (_cpp_create_definition): Store the node with the macro defn.
5996 Remember if the macro is defined in a system header.
5998 2001-02-13 DJ Delorie <dj@redhat.com>
6000 * configure.in (check_languages): determine languages to check
6001 * Makefile.in (check-c++): alias for check-g++
6002 (check-f77): alias for check-g77
6003 (CHECK_TARGETS): depend on configured languages
6005 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6007 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6008 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6009 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6010 (sqrtextendsfdf2): Disable for SSE2.
6012 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6014 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6015 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6016 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6017 (sqrtextendsfdf2): Disable for SSE2.
6019 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6021 * i386.md (movsfcc_1): Support integer cmove instruction.
6022 (movdfcc_1): Likewise; new splitter.
6024 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6026 * i386.c (output_fp_compare): Support SSE.
6027 (prepare_fp_compare_args): SSE comparisons always support memory.
6028 * i386.h (TARGET_CMOVE): SSE imply cmove.
6029 * i386.md (cmp?f2): Enable for SSE too.
6030 (cmpfp_i*): Support SSE.
6032 (cmpfp_i_sse_only): New.
6033 (s*, b* fp expanters): Enable for SSE too.
6034 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6037 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6039 * regclass.c (init_reg_sets_1): Silence warning.
6041 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6043 * i386.md (sqrt?f2): Change to expander.
6044 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6046 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6048 * rtlanal.c (find_reg_equal_equiv_note): New function.
6049 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6050 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6051 * rtl.h: Add declarations for above functions.
6053 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6055 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6057 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6058 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6059 * flow.c (mark_regs_live_at_end): Likewise.
6060 (calculate_global_regs_live): Likewise.
6061 * gcse.c (compute_hash_table): Likewise.
6062 (compute_kill_rd): Likewise.
6063 * resource.c (mark_target_live_regs): Likewise.
6064 * rtl.h (INVALID_REGNUM): New macro.
6066 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6068 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6070 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6072 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6075 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6077 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6079 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6080 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6081 (fop_sf_1_sse, fop_df_1_sse): New patterns
6082 (fop_*): Disable float_extend and float patterns for SSE compilation.
6083 * i386.c (output_387_binary_op): Support SSE.
6085 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6087 * i386.md (dummy_extendsfdf2): Support SSE2
6088 (extendsfdf2): Enable if 80387 or SSE2.
6089 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6090 and no MIX_I387_SSE2
6091 (extendsfdf2_1_sse_only): New pattern.
6092 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6094 (truncdfsf2_1): Support SSE.
6095 (truncdfsf2_2): Support SSE.
6096 (truncdfsf2_2_1_sse): New pattern.
6097 (fixtruncsfsi2): Always use SSE if available.
6098 (fix_truncsfsi_sse): New pattern.
6099 (fix_truncdfsi_sse): New pattern.
6100 (floatsis?f2): Support SSE.
6101 (floatsidf2_i387): New pattern.
6102 (floatsidf2_sse): Likewise.
6104 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6106 * configure.in: Use "have_gnat" variable, not "gnat".
6107 * configure: Regenerated.
6109 * config/sparc/sparc.c (function_value): Treat all non-record
6110 aggregate types like used to treat UNION_TYPE.
6112 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6114 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6115 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6117 (MASK_MIX_SSE_I387): New.
6118 (TARGET_SSE): SSE2 imply SSE.
6119 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6120 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6121 (enum reg_class): Add new classes.
6122 (REG_CLASS_NAMES): Likewise.
6123 (REG_CLASS_CONTENTS): Likewise.
6124 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6125 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6126 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6127 (CLASS_MAX_NREGS): Use new macros.
6128 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6129 * i386.md (pushsf, movsf): Support SSE.
6130 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6131 splitters to use ANY_FP_REGNO_P.
6132 (movdf_nointeger, movdf_integer): Likewise.
6134 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6136 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6137 (try_combine): Use it.
6139 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6141 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6142 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6143 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6144 (REGISTER_MOVE_COST): Likewise.
6145 * i386-protos.h (ix86_secondary_memory_needed,
6146 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6147 * i386.c (ix86_secondary_memory_needed,
6148 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6150 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6152 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6153 (HARD_REGNO_MODE_OK): Move offline to ....
6154 * i386.c (ix86_hard_regno_mode_ok) ... here;
6155 refuse all incorrect modes.
6156 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6158 2001-02-13 Richard Henderson <rth@redhat.com>
6160 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6161 entire operator; replicate that and match_dup the operands.
6162 (cmp_ccx_arith_op_set): Likewise.
6163 (cmp_cc_arith_op_not_set): Likewise.
6164 (cmp_ccx_arith_op_not_set): Likewise.
6166 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6168 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6170 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6172 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6173 (TARGET_NO_BITFIELD_WORD): New macro.
6174 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6175 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6177 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6179 * cselib.c: New file, from simplify-rtx.c.
6180 * simplify-rtx.c: Remove cselib parts.
6181 * Makefile.in: Add cselib.o.
6183 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6185 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6186 (setup_incoming_varargs): Remove warning.
6188 * config/rs6000/rs6000.c (validate_condition_mode): When
6189 flag_fast_math, allow floating-point conditionals to be reversed.
6190 (rs6000_generate_compare): When flag_fast_math, don't generate
6191 cror operations for FP conditionals.
6193 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6195 (ASM_SPEC): Likewise.
6196 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6197 (CC1_SPEC): Likewise.
6198 (LINK_TARGET_SPEC): Likewise.
6199 (CPP_ENDIAN_SPEC): Likewise.
6200 * Makefile.in (check-consistency): New target.
6202 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6204 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6205 "return type defaults" warning for functions with return type
6207 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6208 function declarations by default rather than only when pedantic.
6210 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6212 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6215 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6217 * extend.texi (Deprecated): Deprecate new initializer lists.
6219 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6221 * mkdeps.c (deps_add_default_target): Robustify. Add
6222 basename component only.
6223 * cpp.texi (-M): Describe how default target is generated.
6224 * invoke.texi (-M): Likewise.
6226 2001-02-12 Kazu Hirata <kazu@hxi.com>
6228 * toplev.c (push_float_handler): Remove.
6229 (pop_float_handler): Remove.
6230 * toplev.h: Remove prototypes for the above functions.
6232 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6234 * c-common.c (constant_fits_type_p): New function.
6235 (convert_and_check): Use it.
6237 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6239 * Makefile.in (GXX_ABI_FLAG): Don't define.
6240 * configure.in (--enable-new-gxx-abi): Remove option.
6241 * config.in: Regenerated.
6242 * configure: Likewise.
6244 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6246 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6248 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6249 regular basic block, and arrange for all edges into it to switch
6252 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6254 * Makefile.in (distclean): Do not remove .gdbinit.
6256 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6258 * Makefile.in (gcc.o): Fix typos.
6259 (protize.o): Likewise.
6260 (unprotoize.o): Likewise.
6262 2001-02-11 Richard Henderson <rth@redhat.com>
6264 * tree.c (build1): Check for null operand in last change.
6266 2001-02-11 Richard Henderson <rth@redhat.com>
6268 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6269 (fold): Don't assume a constant isn't foldable.
6270 * tree.c (build): Set TREE_CONSTANT for an expression with no
6271 side-effects and constant operands.
6274 2001-02-10 Richard Henderson <rth@redhat.com>
6276 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6278 2001-02-10 Anthony Green <green@redhat.com>
6280 * cpp.texi (Standard Predefined): Add documentation for
6283 * c-common.c (combine_strings): Improve warning message.
6285 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6287 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6289 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6291 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6293 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6296 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6298 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6301 2001-02-09 Nick Clifton <nickc@redhat.com>
6303 * config/arm/arm.md: Change output contraint on post inc
6304 load/store multiple patterns to be a read/write contraint.
6306 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6308 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6309 .o files when using the -M options.
6311 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6312 David Edelsohn <edelsohn@gnu.org>
6314 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6315 handle DImode constants. Use one TOC entry for SImode and smaller
6316 constants, aligned properly.
6318 2001-02-08 Jason Merrill <jason@redhat.com>
6320 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6321 about the SP adjustment for saving the static chain pointer.
6322 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6323 offset when setting a temporary CFA register.
6325 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6327 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6328 powerpc-*-chorusos* .
6329 * config/rs6000/chorus.h : New file.
6330 * config/i386/chorus.h : New file.
6331 * config/sparc/chorus.h : New file.
6332 * config/sparc/t-chorus-elf : New file.
6334 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6336 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6337 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6338 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6339 (__WCHAR_TYPE__): Correct macro name.
6341 2001-02-08 Richard Henderson <rth@redhat.com>
6343 * config/i386/i386.c (ix86_frame_pointer_required): New.
6344 (ix86_setup_frame_addresses): New.
6345 (struct machine_funciton): Add accesses_prev_frame.
6346 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6347 ix86_frame_pointer_required.
6348 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6349 (SETUP_FRAME_ADDRESSES): New.
6350 * config/i386/i386-protos.h: Update.
6351 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6352 from FRAME_POINTER_REQUIRED.
6353 * config/i386/svr3gas.h: Likewise.
6354 * config/i386/sysv3.h: Likewise.
6355 * config/i386/v3gas.h: Likewise.
6357 2001-02-08 Richard Henderson <rth@redhat.com>
6359 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6360 calculation of the number of integer registers required.
6361 (function_arg_record_value): Likewise.
6363 2001-02-08 Jason Merrill <jason@redhat.com>
6365 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6366 two. Print file and line with "confused" message.
6368 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6370 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6372 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6374 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6376 * final.c (cleanup_subreg_operands): The address of a MEM can
6379 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6382 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6384 * gcc.texi (Incompatibilities): Update documentation of
6385 preprocessing numbers.
6387 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6389 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6391 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6393 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6395 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6396 * gcc.c (struct compiler): Add cpp_spec field.
6397 (input_file_compiler): New variable.
6398 (do_spec_1): Allow a particular compiler to handle `%C'
6400 (main): Store the current compiler in input_file_compiler.
6401 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6403 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6405 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6406 * cppinit.c (cpp_create_reader): Initialize them.
6407 (append_include_chain): cxx_aware arg might be unused.
6408 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6409 keywords and give them their phase 7 meaning. Pedwarn about
6410 this unless '__bool_true_false_are_defined' is defined.
6412 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6414 * lcm.c (optimize_mode_switching): Emit mode_set before the
6415 JUMP_INSN of an abnormal edge.
6417 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6419 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6420 a scheduling barrier at the end.
6422 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6424 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6426 * config/sh/sh.md (reload_outsf): Removed.
6427 (movsf_ie): Introduce constraints for FPUL loads and stores.
6428 (reload_insf): Broaden the output constraint.
6430 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6432 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6433 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6435 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6437 * final.c: Revert my previous changes.
6438 * output.h: Make profile_label_no extern.
6439 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6440 for generating label.
6442 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6444 * config/i386/djgpp.h: Add comments about standard paths.
6445 (MD_EXEC_PREFIX): Undefine before defining.
6446 (MD_STARTFILE_PREFIX): New.
6448 2001-01-30 Bruce Korb <bkorb@gnu.org>
6450 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6451 (load_file): do not rely on load_file_data() to close file pointer
6452 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6453 fixinc/inclhack.def(irix_limits_const): add test_text
6455 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6457 * cppexp.c (parse_defined): Improve diagnostics for invalid
6460 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6462 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6464 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6466 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6467 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6468 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6469 (rs6000_output_symbol_ref): New function.
6470 (output_toc): Use VTABLE_NAME_P.
6472 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6474 * print-tree.c (print_node, case PARM_DECL):
6475 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6477 * stor-layout.c (reference_types_internal): New variable.
6478 (internal_reference_types): New function.
6479 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6480 * tree.h (internal_reference_types): New declaration.
6482 * cse.c (find_best_addr): Fix typo in computing cost.
6484 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6486 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6487 and this is the sum of a pointer and a constant, we know the result
6489 (num_sign_bit_copies, case PLUS): Likewise.
6490 * explow.c (convert_memory_address): Remove opposite SUBREG.
6491 * function.c (instantiate_new_reg): New function (from common code).
6492 (instantiate_virtual_regs_1): Call it.
6493 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6494 if pointers sign- or zero-extend.
6495 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6496 If pointers extend unsigned, use inside of SUBREG.
6497 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6499 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6501 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6502 subdir of gcc_gxx_include_dir.
6503 (gcc_gxx_target_include_dir): Remove.
6505 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6507 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6508 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6509 a high-level description.
6511 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6513 * final.c: Move the declaration of profile_label_no to ...
6514 * output.h: ... here.
6515 * function.c (expand_function_start): Call PROFILE_HOOK.
6516 * config/rs6000/aix.h: Define PROFILE_HOOK.
6517 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6518 * config/rs6000/rs6000.c (output_profile_hook): Define.
6519 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6520 output_profile_hook.
6521 tm.texi : Explain new macro PROFILE_HOOK.
6523 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6525 * extend.texi (Extended Asm): Do not say that semicolon is always
6526 a valid line-breaking character for GNU assemblers. Use
6527 newline-tab as the most commonly supported syntax. Use
6528 newline-tab rather than semicolon in multi-insn examples.
6530 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6532 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6534 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6535 David Edelsohn <edelsohn@gnu.org>
6537 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6538 code for AIX, even without flag_pic.
6540 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6542 * c-typeck.c (common_type): push and pop binding level around
6543 calling common_type on function parameters.
6545 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6547 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6549 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6551 * config/mips/mips.c (override_options): Fix typo in last change.
6552 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6553 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6555 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6557 * invoke.texi (-fdump-class-layout): Document.
6558 (-fdump-translation-unit): Use `=' as filename separator.
6560 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6562 * Makefile.in (s-mlib): Don't build multilibs if
6564 (DRIVER_DEFINES): Adjust accordingly.
6566 (protoize.o): Likewise.
6567 (unprotoize.o): Likewise.
6568 * configure.in: Recognize --enable-multilib.
6570 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6572 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6574 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6575 * configure.in: Remove --enable-libstdcxx_v3 support.
6576 * configure: Regenerated.
6578 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6580 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6581 Call abort instead of fatal.
6582 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6583 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6584 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6585 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6586 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6587 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6589 * diagnostic.h (set_internal_error_function): Renamed.
6590 * toplev.h (internal_error): Renamed from fatal.
6591 (pfatal_with_name): Deleted.
6592 (fatal_io_error): Now has printf-style arguments.
6593 * diagnostic.c (pfatal_with_name): Deleted.
6594 (fatal_io_error): Rework to have args in printf-style.
6595 (set_internal_error_function): Renamed from set_fatal_function.
6596 (internal_error): Renamed from fatal.
6597 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6598 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6599 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6600 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6601 * flow.c (verify_flow_info): Likewise.
6602 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6603 * config/mips/mips.c (save_restore_insns): Likewise.
6605 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6606 * flow.c (verify_flow_info): Likewise.
6607 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6608 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6609 (avr_normalize_condition): Likewise.
6610 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6611 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6612 (limit_reload_class, double_reg_to_memory): Likewise.
6613 (print_operand_address, emit_1600_code_shift): Likewise.
6614 (gen_tst_reg, gen_compare_reg): Likewise.
6615 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6616 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6618 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6620 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6621 * objc/objc-act.c (build_ivar_chain): Likewise.
6622 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6624 * graph.c (clean_graph_dump_file): Likewise.
6625 * profile.c (init_branch_prob): Likewise.
6626 * objc/objc-act.c (objc_init): Likewise.
6628 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6629 * config/avr/avr.c (avr_override_options): Likewise.
6630 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6631 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6632 * config/h8300/h8300.c (h8300_init_once): Likewise.
6633 * config/mips/mips.c (override_options): Likewise.
6634 * config/i386/i386.c (override_options): Likewise, rework.
6635 * config/m68k/m68k.c (override_options): Likewise.
6637 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6639 * config/mips/mips.c (print_operand): Likewise.
6640 * hash.c (hash_allocate): Don't check for failure returns from
6641 obstack functions that can't fail.
6642 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6643 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6644 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6645 (get_object_reference): Likewise.
6647 2001-02-04 Nick Clifton <nickc@redhat.com>
6649 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6650 StrongARM1110, 10TDMI, and 1020T.
6652 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6654 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6656 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6658 * config/sh/sh.md (movdf load split): Pass register number to
6659 FP_OR_XD_REGISTER_P.
6661 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6663 * cppinit.c (BC): New macro.
6664 (builtin_array): Add __GXX_WEAK__.
6665 * cpplib.h (builtin_type): Add BT_WEAK.
6666 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6667 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6668 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6670 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6672 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6674 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6676 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6677 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6679 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6681 * cpphash.h: Rename ALIGN _ALIGN.
6682 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6684 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6686 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6687 compilation environment.
6688 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6689 control over location of cygwin includes and libs.
6691 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6693 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6695 2001-02-02 lars brinkhoff <lars@nocrew.org>
6697 * md.texi (Standard Names): remove reference to spur.md.
6699 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6701 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6702 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6703 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6704 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6705 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6707 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6709 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6710 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6711 number before reload.
6712 (c4x_adjust_cost): Return zero before reload.
6713 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6714 split before reload.
6716 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6718 * c4x.c (c4x_hard_regno_rename_ok): New.
6719 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6720 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6722 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6724 * diagnostic.h: Add missing "extern" in all declarations.
6726 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6728 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6729 as for gcc_gxx_include_dir.
6731 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6733 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6735 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6737 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6738 label before alignment to be used as the braf base address.
6739 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6741 (casesi_jump_2): Require at least TARGET_SH2.
6743 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6744 truncation to 32-bit doubles on -m3e and -m4-single-only.
6746 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6748 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6749 the default when building a shared object.
6750 (init_spec): Use it.
6751 * testsuite/lib/g++.exp: Include the directory where libgcc
6752 is located to the LD_LIBRARY_PATH list.
6753 * invoke.texi (-shared-libgcc): Document the cases in which
6754 GCC defaults to using the shared libgcc.
6756 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6758 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6759 unsigned is wide enough.
6761 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6762 (si_to_float): Likewise.
6763 (float_to_si, float_to_usi): Use BITS_PER_SI.
6765 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6767 * dwarf2out.c: Added explanation of abbreviations.
6768 (def_cfa_1): Added comments listing DWARF2 instructions.
6769 (cfa_temp_reg): Removed in favor of cfa_temp.
6770 (cfa_temp_value): Removed in favor of cfa_temp.
6771 (cfa_temp): New global variable.
6772 (dwarf2out_frame_debug_expr): Added extensive introductory
6773 comments explaining the function's transformations. Revised to
6774 use cfa_temp. Added some rtx checking. Generalize IOR case.
6775 (dwarf2out_frame_debug): Revised to use cfa_temp.
6776 (output_aranges): Cast as "unsigned" to avoid warning.
6777 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6778 explain which instructions must be marked.
6780 2001-02-01 Richard Henderson <rth@redhat.com>
6782 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6785 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6787 * config/sh/crt1.asm (main_k): Modified so that start calls
6788 ___setup_argv_and_call_main.
6790 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6792 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6793 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6794 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6795 * cppmacro.c (builtin_macro): Set builtin flags here.
6796 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6797 (replace_args): Clarify intent.
6798 (cpp_get_token): Macro expansion tokens get the saved flags.
6800 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6803 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6805 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6808 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6810 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6811 returns Pmode pseudo, but we need ptr_mode.
6812 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6813 Remove bogus conversions; use HOST_WIDE_INT for size.
6814 Don't use TARGET if wrong mode.
6816 * config/i386/i386.c (ix86_compute_frame_size): Allow
6817 stack_alignment_needed to be non-default even if size is zero.
6819 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6821 * pa.c (hppa_init_pic_save): New function.
6822 * pa.h (hppa_init_pic_save): Declare.
6823 * pa.md (call, call_value, sibcall, sibcall_value): Use
6824 the above instead of duplicated code.
6826 * pa.c (hppa_encode_label): Correct size of alloca buffer
6827 so we don't overrun it. Correct leading `*' case.
6828 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6829 need to handle `*@'.
6830 (FUNCTION_NAME_P): Likewise.
6832 2001-01-31 Richard Henderson <rth@redhat.com>
6834 * config.gcc (alpha-osf5): Use float-i128.h.
6836 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6837 * config/float-i32.h: Likewise.
6838 * config/float-i64.h: Likewise.
6839 * config/float-sh.h: Likewise.
6840 * config/float-sparc.h: Likewise.
6842 2001-01-31 DJ Delorie <dj@redhat.com>
6844 * expmed.c (extract_bit_field): allow non-integral modes if we
6845 want to extract a whole register from itself.
6847 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6849 * c-typeck.c (set_init_index): If first is equal to last, assume as
6850 if it was not a range at all.
6852 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6854 * config/fp-bit.c: Include tm.h.
6855 (float_to_si): Don't assume SImode is 32-bits wide.
6856 (float_to_usi): Likewise.
6858 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6860 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6862 (typename): Call pending_xref_error after parsing typed_typespecs.
6863 * c-decl.c (lookup_tag): Give error immediately rather than
6864 leaving it pending if the tag of the wrong type is in the same
6866 (xref_tag): Don't pedwarn for forward declarations of enum types
6868 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6871 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6873 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6875 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6877 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6878 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6880 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6882 * cpphash.h (struct cpp_reader): New saved_flags.
6883 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6884 to avoid a paste after a pasted token.
6886 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6888 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6889 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6890 Wtype_MIN instead of LONG_MIN.
6892 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6894 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6896 * fixinc/fixincl.x: Regenerated.
6897 * fixinc/inclhack.def (irix_limits_const): New definition to
6898 convert "const" to "__const" in limits.h.
6900 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6902 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6904 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6906 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6907 when register dies in the insn.
6909 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6911 * diagnostic.c (fatal): Fix word wrap.
6913 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6915 * combine.c (try_combine): Fix SUBREG setting for
6916 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6918 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6920 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6923 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6925 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6927 * toplev.c (decode_W_option): Update warn_larger_than
6928 unconditionally for each processed switch.
6930 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6932 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6934 (hppa_expand_prologue): Delete code to save pic offset table register
6935 in the function prologue.
6936 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6937 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6938 table register at the beginning of the function after the prologue.
6940 2001-01-29 lars brinkhoff <lars@nocrew.org>
6942 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6944 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6945 Jeff Law <law@redhat.com>
6947 * pa.md (return): Revise comment for trivial return.
6948 (return_internal): Non-trivial return pattern for non-PIC code.
6949 (return_internal_pic): Non-trivial return pattern for PIC code.
6950 It uses the PIC register to ensure it is restored after
6952 (epilogue): Generate appropriate return for PIC and non-PIC code.
6954 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6956 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6958 2001-01-29 DJ Delorie <dj@redhat.com>
6960 * combine.c (if_then_else_cond): Pass the correct mode to
6961 operand_subword() for constants.
6963 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6965 * config/i386/cygwin.h: Add w32api to include search. Search different
6966 directories in a cross-build environment.
6968 2001-11-29 Tim Josling <tej@melbpc.org.au>
6970 * tree.h (TYPE_STUB_DECL): Add documentation.
6972 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6974 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6975 (sdbout_field_types): Likwise. Fix use of host_integerp.
6977 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6979 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6982 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6984 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6985 to use flag_gnu_linker.
6987 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6989 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6990 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6992 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6994 * tree.c, tree.h (build_parse_node): Remove; was identical to
6996 * c-lang.c (start_cdtor), objc/objc-act.c
6997 (build_module_descriptor): Use build_nt instead of
7000 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7002 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7003 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7004 not have any upper bits set.
7006 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7008 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7010 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7012 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7014 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7016 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7017 (integer_minus_one_node): Define.
7019 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7021 * Makefile.in (bootstrap2-lean): Fix typo.
7023 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7025 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7026 : Don't set fe_value.
7027 * cpplib.h (AVOID_LPASTE): New flag.
7028 (struct cpp_hashnode): Remove fe_value.
7029 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7030 * cppmacro.c (builtin_macro): Don't set flags here.
7031 (replace_args): Set AVOID_LPASTE flag on first token of an
7032 argument, and the token following it.
7033 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7034 macro expansion, and on the token following it. Do it for
7036 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7038 2001-01-27 Richard Henderson <rth@redhat.com>
7040 * config/alpha/t-ieee: Remove multilibbing.
7041 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7043 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7045 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7047 * Makefile.in: Remove all dependencies on defaults.h.
7048 * builtins.c: Don't include defaults.h.
7049 * c-common.c: Likewise.
7050 * c-decl.c: Likewise.
7051 * c-pragma.c: Likewise.
7052 * c-typeck.c: Likewise.
7053 * combine.c: Likewise.
7055 * frame-ia64.c: Likewise.
7056 * cppexp.c: Likewise.
7057 * crtstuff.c: Likewise.
7058 * dbxout.c: Likewise.
7059 * dwarf2out.c: Likewise.
7060 * dwarfout.c: Likewise.
7061 * emit-rtl.c: Likewise.
7062 * except.c: Likewise.
7064 * final.c: Likewise.
7065 * frame-dwarf2.c: Likewise.
7066 * libgcc2.c: Likewise.
7067 * optabs.c: Likewise.
7068 * profile.c: Likewise.
7069 * sdbout.c: Likewise.
7070 * toplev.c: Likewise.
7071 * tradcif.y: Likewise.
7073 * varasm.c: Likewise.
7075 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7077 * builtins.c (expand_builtin_fputs): Use size_one_node when
7078 transforming into fwrite.
7080 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7082 * extend.texi (Attribute Syntax): New section.
7084 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7086 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7087 they didn't need fixing.
7089 2001-01-27 Janis Johnson <janis@us.ibm.com>
7091 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7093 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7094 to remove macro definitions that are duplicated from elfos.h.
7096 2001-01-27 Richard Henderson <rth@redhat.com>
7098 * config/i386/sco5gas.h: Move ...
7099 * config/usegas.h: ... here.
7100 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7102 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7104 * c-typeck.c (struct constructor_stack): Add range_stack member.
7105 (really_start_incremental_init): Clear it.
7106 (push_init_level): Save constructor_range_stack and clear it if
7107 pushing explicit braces.
7108 (pop_init_level): abort if constructor_range_stack is non-zero at
7109 explicit closing brace. Restore saved constructor_range_stack if
7112 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7114 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7115 into register was forced into memory.
7117 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7119 * Makefile.in: Remove uses of + before $(MAKE).
7121 2001-01-26 Richard Henderson <rth@redhat.com>
7123 * stmt.c (cost_table): Remove.
7124 (COST_TABLE, cost_table_initialized): New.
7125 (estimate_case_costs): Use the later instead of the former.
7126 (balance_case_nodes): Likewise.
7128 2001-01-26 Richard Henderson <rth@redhat.com>
7130 * alias.c (objects_must_conflict_p): Read-only slots may not
7131 conflict despite having the same type.
7133 2001-01-27 Michael Hayes <mhayes@redhat.com>
7135 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7137 (check_ext_dependant_givs): Initialise u_start_val and
7139 (load_mems): Make last_max_reg unsigned.
7140 (try_swap_copy_prop): Use INSN_P and initialise set.
7142 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7144 * README.AVR : Removed.
7146 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7148 * pa-64.h (text_section): Remove declaration.
7150 * pa.md (return_internal): Remove mode on PIC register use.
7152 2001-01-25 lars brinkhoff <lars@nocrew.org>
7154 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7155 ASM_CLOSE_PAREN): fix typos.
7157 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7159 * acconfig.h: Define `const' to the empty string if neither
7160 __STDC__ nor __cplusplus is defined.
7161 * config.in: Regenerated.
7163 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7165 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7166 * collect2.c (main): Delete importf. Add ".obj" file extension.
7167 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7168 (aix_std_libs): Add additional AIX libraries to skip.
7169 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7170 * config/rs6000/aix51.h: New file.
7172 2001-01-25 Michael Hayes <mhayes@redhat.com>
7174 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7175 (loop_insn_emit_before): No longer static.
7176 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7177 (loop_givs_rescan, load_mems): Likewise.
7178 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7179 (maybe_eliminate_biv_1):
7180 (move_movables): Replace emit_call_insn_before with
7181 loop_call_insn_hoist.
7182 * loop.h (loop_insn_emit_before): Add.
7183 * unroll.c (copy_loop_body): Replace emit_insn_before with
7184 loop_insn_emit_before.
7186 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7188 * diagnostic.c (fatal): Request preprocessed source.
7190 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7192 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7193 olddecl has argument types and newdecl has none, use the argument
7196 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7198 * dwarf2out.c (prefix_of): New function. Determine longest common
7199 prefix of the two arguments. The units are whole path components.
7200 (output_file_names): When adding a new directory find the one entry
7201 with the longest common prefix already in the list. Artificially
7202 generate entry if there is none for this prefix.
7203 Fix test to check whether the zeroth directory entry is used.
7205 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7207 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7208 Changed all callers. Take it into account when deciding if a
7209 previously loaded value matches.
7211 2001-01-24 Richard Henderson <rth@redhat.com>
7213 * reload.c (find_reloads_subreg_address): Fail the substitution
7214 if the resulting address is insufficiently aligned.
7216 2001-01-24 DJ Delorie <dj@redhat.com>
7218 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7219 check the original operand's mode also.
7220 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7222 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7224 * c-parse.in (cast_expr): Move compound literals from here ...
7225 (primary): ... to here. Use standard terminology "compound
7226 literal" instead of "constructor expression".
7228 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7230 * gcc.1, cpp.1: Regenerate.
7232 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7234 * calls.c (emit_library_call_value_1): Memory slot for
7235 pass-by-reference argument should have the mode of the argument,
7236 not of the pointer to it.
7238 2001-01-24 Tom Tromey <tromey@redhat.com>
7240 * gcc.texi (G++ and GCC): Mention gcj manual.
7241 (Standards): Link to section of manual mentioning gcj/Java
7244 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7246 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7247 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7248 * tradcpp.c (main): Add -imacros or -include'd dependencies
7250 * cpp.texi (-M, -MM): Document -M -include behaviour.
7252 2001-01-24 Roger Collins <roger@ProProject.com>
7254 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7256 2001-01-24 Will Cohen <wcohen@redhat.com>
7258 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7259 whether registers are 32 bits or 64 bits in size.
7261 2001-01-24 Ben Elliston <bje@redhat.com>
7263 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7265 2001-01-24 Richard Henderson <rth@redhat.com>
7267 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7268 (builtin_longjmp): Use it instead of emit_indirect_jump.
7270 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7272 * bb-reorder.c (make_reorder_chain_1): Handle case where
7273 jump edge goes to the same block as the fallthru edge.
7275 2001-01-23 Jim Wilson <wilson@redhat.com>
7277 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7278 * frame.h (__ia64_personality_v1): Add prototype.
7279 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7280 prototype form. Add void * cast to first argument to personality
7282 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7283 (asctoe113): Likewise.
7284 * config/ia64/frame-ia64.c: Include eh-common.h.
7285 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7287 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7289 (itanium_split_issue): Add prototype.
7290 (gen_nop_type): Ifdef out.
7291 (find_best_packet): Initialize best_packet.
7292 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7294 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7295 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7296 (flushrs): Add explicit stop bit at end.
7297 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7300 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7302 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7304 * libgcc2.c (__terminate_func): Make variable static.
7305 (__terminate_set_func): New function to set __terminate_func.
7306 * libgcc2.h (__terminate_func_ptr): New typedef.
7307 (__terminate_set_func): New function.
7309 2001-01-23 Richard Henderson <rth@redhat.com>
7311 * flow.c (init_propagate_block_info): Don't consider unchanging
7312 memories for dead frame store elimination.
7314 2001-01-23 Richard Henderson <rth@redhat.com>
7316 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7317 * defaults.h: ... here.
7319 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7321 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7323 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7325 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7327 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7329 * rs6000.h (rs6000_return_addr): Move prototype from here...
7330 * rs6000-protos.h (rs6000_return_addr): ...to here.
7331 (rs6000_init_expanders): Delete prototype.
7333 2001-01-23 Nick Clifton <nickc@redhat.com>
7335 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7336 (Spec Files): Document %B and %j and %. and %v3 and %M and
7337 %{S*&T} spec switches.
7339 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7341 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7343 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7344 Neil Booth <neil@daikokuya.demon.co.uk>
7346 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7347 Have -Werror make pedantic warnings errors, like the
7350 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7352 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7354 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7356 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7357 * integrate.c (expand_inline_function): Initialize them.
7358 (subst_constants): If changing COMPARE so that both its arguments
7359 will be VOIDmode and the comparison mode will be lost, note
7360 compare_mode. Use the recorded compare_mode to optimize
7363 2001-01-23 Jason Merrill <jason@redhat.com>
7365 * dwarf2out.c (new_die): Use xcalloc.
7366 (output_die): Abort rather than emit a local reference to offset 0.
7368 2001-01-17 Andrew Haley <aph@redhat.com>
7370 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7371 of a saved register; return NULL instead.
7372 (copy_reg): Take a pointer to a source register rather than a
7374 (next_stack_level): Remember the address in the stack frame of all
7376 Use the saved register pointer array as the source of the CFA.
7377 (throw_helper): Rewrite. Unwind once rather than twice and keep
7378 track of saved registers as we go.
7380 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7382 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7383 * c4x.c (c4x_legitimize_reload_address): Remove.
7384 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7385 reload address for ldp(k) insn.
7387 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7389 * pa.md (return_internal): Add a USE of the PIC register to ensure
7390 it is restored after each call.
7391 (return expander): Corresponding changes.
7393 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7395 * rs6000.h (INIT_EXPANDERS): Delete.
7396 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7397 * rs6000.c (rs6000_override_options): Call *_machine_status from
7399 (rs6000_init_expanders): ...instead of here. Delete.
7400 (rs6000_mark_machine_status): New function.
7401 (rs6000_init_machine_status): Use xcalloc.
7402 (rs6000_return_addr): Generate RTX for the return address.
7403 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7404 (rs6000_stack_info): Use it.
7406 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7408 * gthr-win32.h: Include errno.h to get a declaration for
7409 EINVAL and _mingw.h if the target is mingw32.
7411 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7413 * cpp.texi: Correct typos.
7415 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7417 * explow.c (probe_stack_range): Ensure value passed to
7418 stack_check_libfunc is ptr_mode, not Pmode.
7420 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7422 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7423 case, don't use operand_subword to calculate a SUBREG that is
7426 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7428 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7430 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7431 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7432 valid. If not replace it by equivalent insns.
7434 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7436 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7437 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7438 (c4x_U_constraint, symbolic_address_operand): Likewise.
7439 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7441 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7442 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7443 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7444 anulling slot because of silicon bug.
7445 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7447 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7449 * cppexp.c (parse_charconst): Change `mask' type to agree
7452 2001-01-21 Richard Henderson <rth@redhat.com>
7454 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7455 pic_label_name in a linkonce section.
7457 2001-01-17 Philipp Thomas <pthomas@suse.de>
7459 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7461 * configure: Regenerate.
7463 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7465 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7466 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7468 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7470 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7471 If REVERSE nonzero then condition code in X must be reversed.
7472 (encode_section_info): Optimise if/else.
7473 (avr_function_value): Fix formatting.
7475 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7476 (difficult_branch): Likewise.
7477 (rvbranch): Likewise.
7478 (difficult_rvbranch): Likewise.
7480 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7482 * config/avr/libgcc.S: Fix comment.
7484 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7486 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7488 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7490 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7492 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7494 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7495 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7496 * configure, config.in: Regenerate.
7497 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7498 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7499 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7500 (doprint.o): New rule.
7502 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7504 * c-typeck.c (digest_init): Handle boolean types as scalars.
7506 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7508 * stmt.c (expand_return): Don't return anything if size is zero.
7509 Delete redundant assignment to BYTES.
7510 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7512 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7514 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7515 the same as the default library function names.
7516 * config/avr/avr.md: Document special characters after '%'.
7517 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7518 knowing which of the call-used registers are really clobbered.
7519 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7520 New. Both quotient and remainder from one libgcc.S call.
7521 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7522 clobber as few registers as possible.
7523 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7525 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7527 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7528 context of the top of the stack.
7530 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7532 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7533 (fixup_var_refs_insns): ...here.
7535 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7537 * function.c (fixup_var_refs_insns): Break up into
7538 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7539 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7540 [loop over hash table entries].
7541 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7542 fixup_var_refs_insns_with_hash, to match above changes.
7544 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7546 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7547 (libgcc.a): Likewise.
7548 (stmp-multilib): Likewise.
7549 (STAGE2_FLAGS_TO_PASS): Likewise.
7551 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7553 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7554 temporary if no_new_pseudos.
7556 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7558 * cppinternals.texi: Update.
7560 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7562 * arm.c (arm_init_builtins): Re-enable builtins.
7564 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7566 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7567 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7568 element to be null, and always expect an EXPR_LIST.
7569 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7570 * sched-deps.c (sched_analyze_1): Likewise.
7571 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7573 * regclass.c (max_set_parallel): New variable.
7574 (reg_scan): Take it into account in computation of max_parallel.
7575 (reg_scan_mark_refs, case SET): Compute it.
7577 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7579 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7580 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7582 2001-01-19 Jason Merrill <jason@redhat.com>
7584 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7585 for the abstract instance of an inline function.
7587 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7588 J"orn Rennecke <amylaar@redhat.com>
7590 * reload1.c (move2add_note_store): Treat all registers directly or
7591 indirectly derived from a base register as members of the same set
7593 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7594 of base register into account.
7596 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7598 * alias.c (find_base_value): Recognize TRUNCATE.
7599 (record_set): In PLUS case, invalidate if other summand is also a
7602 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7604 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7605 entry to be EXPR_LIST.
7606 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7607 be an EXPR_LIST (but not null, which other code doesn't allow).
7608 (note_stores): Properly handle PARALLEL in SET.
7609 Recursively call for top-level PARALLEL.
7610 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7611 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7613 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7615 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7617 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7618 not pfile->skipping (== 0).
7620 2001-01-17 Nick Clifton <nickc@redhat.com>
7622 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7625 2001-01-17 Jim Wilson <wilson@redhat.com>
7627 * invoke.texi (IA-64 options): Improve.
7629 2001-01-17 Tom Tromey <tromey@redhat.com>
7631 * invoke.texi (Optimize Options): Use `{}' to around @samp
7634 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7636 * invoke.texi (-fno-guess-branch-probability): New option.
7638 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7640 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7641 case of making new double-word constant.
7642 Revert last change: instead just test i3_subst_into_i2.
7644 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7646 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7647 Use q constraints instead of r.
7649 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7651 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7652 (machine_function): Define.
7653 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7654 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7655 pa_free_machine_status): New functions.
7656 (override_options): Set {init,mark,free}_machine_status to above.
7657 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7658 PIC_OFFSET_TABLE_REGNUM_SAVED.
7659 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7660 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7661 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7662 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7663 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7665 2001-01-15 DJ Delorie <dj@redhat.com>
7667 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7671 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7673 * flow.c (propagate_on_insn): Make trying to delete a prologue
7674 or epilogue insn an ICE, not a warning. Allow doing this if
7675 the current function returns with stack pointer depressed.
7677 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7678 I3 having more than one SET.
7680 2001-01-16 Jim Wilson <wilson@redhat.com>
7682 * invoke.texi: Document IA-64 options.
7684 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7685 (fixup_errata): Delete TARGET_A_STEP use.
7686 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7687 (TARGET_SWITCHES): Delete -ma-step option.
7688 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7689 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7690 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7691 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7692 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7693 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7695 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7696 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7697 cmovsi_internal): Delete ! TARGET_A_STEP check.
7699 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7701 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7702 possibility to report bugs via postal mail. Change a URL and
7703 merge in a nearly duplicate statement...
7704 (Bug Reporting): ...from here.
7705 (Service): Refer to the Bug Reporting section instead of
7707 (Contributing): Remove trivial explanations concerning snapshots.
7709 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7711 * cppmain.c (general_init): Don't use ANSI prototype.
7713 2001-01-16 Tom Tromey <tromey@redhat.com>
7715 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7717 2001-01-16 Richard Henderson <rth@redhat.com>
7719 * config/i386/i386.h: Fix comment typo.
7720 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7721 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7723 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7725 * gcc.c: Revert previous -fsyntax-only-related change; move
7728 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7730 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7731 inmode after checking GET_CODE (op).
7733 2001-01-16 Richard Henderson <rth@redhat.com>
7735 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7736 (MAX_MEM_SET_LIST_LEN): New.
7737 (propagate_one_insn): Update mem_set_list_len.
7738 (invalidate_mems_from_autoinc): Likewise.
7739 (invalidate_mems_from_set): Likewise.
7740 (mark_used_regs): Likewise.
7741 (init_propagate_block_info): Likewise. Stop collecting memories
7742 when we reach MAX_MEM_SET_LIST_LEN.
7743 (mark_set_1): Likewise.
7745 2001-01-16 Richard Henderson <rth@redhat.com>
7747 * unroll.c (precondition_loop_p): Fail if no iteration
7750 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7752 * gcc.c: When -fsyntax-only is given, do not complain about
7755 2001-01-15 Richard Henderson <rth@redhat.com>
7757 * config/i386/i386.c (asm_output_function_prefix): Remove.
7758 (ix86_asm_file_end): New.
7759 (load_pic_register): Generate pic_label_name into a
7760 staticly allocated buffer.
7761 * config/i386/i386-protos.h: Update.
7762 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7763 (ASM_FILE_END): New.
7764 * config/i386/i386afe.h: New file.
7765 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7766 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7767 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7768 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7769 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7770 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7771 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7773 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7775 * Makefile.in (install-man): Remove explicit dependency on
7778 * configure.in, configure: Revert previous patch requiring perl
7781 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7783 * toplev.c (flag_guess_branch_prob): New.
7784 (f_options): Add guess-branch-probability option.
7785 (rest_of_decl_compilation): Only estimate branch probability if
7787 (main): set flag_guess_branch_prob.
7789 * flags.h (flag_guess_branch_prob): New.
7791 2001-01-15 DJ Delorie <dj@redhat.com>
7793 * gcc.texi (Makefile): Add documentation for Makefile targets.
7795 2001-01-15 Philip Blundell <philb@gnu.org>
7797 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7799 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7800 (is_pic): Delete declaration.
7801 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7802 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7803 * config/arm/arm.md (builtin_setjmp_receiver): New.
7805 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7807 * arm.c (use_return_insn): Don't try to determine the function type
7808 until after reload has completed.
7809 (arm_output_epilogue): Don't adjust the sp value recovered from the
7811 (emit_multi_reg_push): Don't record dwarf information for the pc.
7812 * arm.md (eh_epilogue): The function type may have changed, so it
7813 needs to be recalculated.
7814 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7815 unwind tables on arm/netbsd.
7817 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7819 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7820 (negated_cbranchsi4): Likewise.
7822 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7824 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7825 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7826 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7827 pass -mapcs-* options to assembler.
7828 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7829 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7830 (ASM_SPEC): Call subtarget_extra_asm_spec.
7832 2001-01-15 Andreas Jaeger <aj@suse.de>
7834 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7836 (ix86_expand_builtin): Likewise.
7838 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7839 warning about comparison between signed and unsigned.
7841 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7843 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7845 2001-01-14 Ralf Baechle <ralf@gnu.org>
7847 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7848 SUBTARGET_CPP_SPEC apropriatly.
7850 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7852 * varasm.c (make_decl_rtl): Fix typo in last change.
7854 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7856 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7857 linker supports the init_priority C++ attribute.
7858 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7859 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7860 linker does not support init_priority C++ attribute.
7862 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7864 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7866 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7868 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7869 * cp/lex.c (finish_parse): Similarly.
7870 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7871 Return the number of errors encountered.
7872 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7873 * cppmain.c (main): Don't call cpp_destroy.
7875 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7877 * configure.in: Require at least perl 5.6.0 to regenerate
7879 * configure: Regenerate.
7881 2001-01-14 Richard Henderson <rth@redhat.com>
7883 * genrecog.c (DT_veclen_ge): New.
7884 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7885 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7886 (nodes_identical_1): Handle DT_veclen_ge.
7887 (write_cond, debug_decision_2): Likewise.
7889 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7891 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7893 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7895 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7897 * cppmain.c (do_preprocessing): New function; most of the old
7899 (main): Call it to do most of the work.
7900 (cb): Move from global scope to set_callbacks ().
7901 (setup_callbacks): Get the callback pointer.
7902 (general_init, printer_init): Clean up code and comments.
7904 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7906 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7909 2001-01-14 Kazu Hirata <kazu@hxi.com>
7911 * config/h8300/h8300.c (get_shift_alg): Update comments.
7913 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7915 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7916 (alloc_page, ggc_alloc): Add casts to remove warnings.
7918 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7920 * combine.c (simplify_comparison): Don't change `code' when
7921 can't reverse comparison.
7923 2001-01-14 Richard Henderson <rth@redhat.com>
7925 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7926 update all call sites. Return true for all non-label constants.
7928 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7930 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7932 (ix86_expand_branch): Update.
7933 (ix86_expand_setcc): Update to handle multiple test conditions.
7934 (expand_int_movcc): Likewise.
7935 (expand_fp_movcc): Likewise.
7936 * i386-protos.h (ix86_expand_compare): New.
7937 * i386.md (andqi_?_slp, orqi_?_slp): New.
7938 (conditional trap expander): Update call to ix86_expand_compare.
7940 2001-01-14 Richard Henderson <rth@redhat.com>
7942 * config/vax/vax.md: Use nonimmediate_operand instead of
7943 general_operand in destinations.
7945 * config/vax/vax.md (indirect_jump): Use register_operand.
7947 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7948 * config/vax/vax.md (call_pop): Turn into an expander.
7949 (call_value_pop): Likewise.
7950 (call, call_value): New.
7952 2001-01-14 Andreas Jaeger <aj@suse.de>
7954 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7956 (ix86_fp_compare_mode): Add unused attribute.
7957 (ix86_expand_fp_movcc): Remove unused variable.
7958 (ix86_expand_builtin): Make fcode unsigned.
7960 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7961 (expand_expr): Add cast to avoid signed warning.
7962 (store_field): Likewise.
7963 (store_constructor_field): Likewise.
7964 (store_constructor): Likewise.
7965 (store_expr): Likewise.
7966 (clear_storage): Likewise.
7967 (emit_group_store): Likewise.
7968 (emit_group_load): Likewise.
7970 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7972 * c-common.c: Move format checking code to ...
7973 * c-format.c: ... here. New file. Reorder some functions and
7975 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7977 * c-common.h (decl_handle_format_attribute,
7978 decl_handle_format_arg_attribute): Declare.
7979 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7980 (c-common.o): Adjust dependencies.
7981 (c-format.o): New list of dependencies.
7983 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7985 * unroll.c (loop_iterations): If we cannot prove iteration variable
7986 is set once in each iteration, punt.
7988 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7990 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7991 (*strlenhi): Remove clobber (which was buggy) of output address.
7993 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7995 * Makefile.in (generated-manpages): Add gcc.1
7996 ($(srcdir)/gcc.1): New target.
7997 (maintainer-clean): Delete $(srcdir)/gcc.1.
7998 * gcc.texi: Add macros @gccoptlist and @gol.
7999 * invoke.texi: Include option summary in manpage. Mark up option
8000 summary with @gccoptlist and @gol. Use @r in one place where
8002 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8003 * gcc.1: Generate from invoke.texi.
8005 2001-01-13 Richard Henderson <rth@redhat.com>
8007 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8008 (struct page_entry): Add group member.
8009 (struct page_group): New.
8010 (struct globals): Add page_groups member.
8011 (alloc_anon): Only define for using mmap; remove valloc call.
8012 (page_group_index): New.
8013 (set_page_group_in_use): New.
8014 (clear_page_group_in_use): New.
8015 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8016 (free_page, release_pages): Likewise.
8017 * configure.in (with-gc): Default to ggc-page always.
8019 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8021 * reload1.c (replace_pseudos_in_call_usage): Use
8022 reg_equiv_constant and reg_equiv_address, and don't try
8023 regno_reg_rtx first.
8025 2001-01-13 Richard Henderson <rth@redhat.com>
8027 * ggc-page.c (alloc_page): Round up allocation size to one page.
8028 Set e->order on extra pages.
8030 2001-01-13 Richard Henderson <rth@redhat.com>
8032 * genrecog.c (nodes_identical): Expand commentary.
8033 (write_switch): Watch out for identical nodes.
8035 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8037 * cppfiles.c (_cpp_fake_include): New function.
8038 * cpphash.h (_cpp_fake_include): New.
8039 * cpplib.c (do_line): Call _cpp_fake_include when entering
8040 header files in preprocessed input.
8041 * cppmain.c (cb_pragma_implementation): Remove handling.
8042 (setup_callbacks): Don't register pragmas.
8044 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8046 * extend.texi: Udate for CPP.
8048 2001-01-13 Andreas Jaeger <aj@suse.de>
8050 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8052 * regmove.c: Add prototype for replace_in_call_usage.
8054 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8056 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8057 struct cpp_chunk, struct htab, struct toklist,
8058 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8059 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8060 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8061 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8062 (struct macro_args): Delete.
8063 * cpphash.h: See above.
8065 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8067 * cppmain.c (struct printer): Remove no_line_dirs.
8069 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8070 : Use options rather than CPP_OPTION.
8071 (setup_callbacks): Use cb rather than pfile->cb.
8072 (main): No need to check for a buffer. Use cpp_errors.
8073 (printer_init): Don't set no_line_dirs.
8074 (maybe_print_line): Use options not no_line_dirs.
8075 (cb_file_change): Don't call print_line if -P.
8077 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8079 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8081 * c-parse.in (finish_parse): Use cpp_errors.
8082 (__yylex): Use return value of cpp_pop_buffer.
8083 * cp/lex.c (finish_parse): Use cpp_errors.
8084 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8086 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8088 * README.AVR: URLs corrected.
8090 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8092 * c-decl.c (start_function): Don't warn if old prototype is builtin
8093 that's not in C's namespace.
8094 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8095 (_bb): Add prototype for ctime.
8096 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8098 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8100 * i386.c (ix86_fp_comparison_arithmetics_cost,
8101 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8102 ix86_fp_comparison_cost): New functions.
8103 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8104 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8105 two-branch sequences; make static.
8106 (ix86_use_fcomi_compare): Do decision according to the costs.
8107 (split_fp_branch): New.
8108 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8109 * i386-protos.h (ix86_expand_fp_compare): Remove
8110 (ix86_split_fp_branch): Declare.
8112 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8113 and ix86_comparison_operator.
8115 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8118 * i386.c (put_condition_code): Output properly the unordered/ordered
8119 compares in fp case.
8120 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8122 * tm.texi (REVERSE_CONDITION): Document.
8123 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8124 in -ffast-math mode.
8125 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8127 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8129 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8131 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8134 * config/sh/sh.c (mova_p): Fix test for mova_const.
8136 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8138 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8139 cpp_get_options rather than dereferencing pfile and using
8141 * scan-decls.c (scan_decls): Use return value of
8142 cpp_pop_buffer rather than CPP_BUFFER.
8144 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8146 * cppinit.c (cpp_handle_option): help_only is now part of the
8147 cpp_options structure.
8148 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8149 cpp_set_callbacks): New functions.
8150 * cpplib.h (cpp_callbacks): Break out as a named structure.
8151 (cpp_options): Move help_only here from cpp_reader.
8152 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8153 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8154 cpp_set_callbacks): New prototypes.
8155 * cppmain.c (main): Update for help_only.
8157 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8159 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8160 Also build and remove and install and uninstall c-tree.info and
8162 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8163 ($(srcdir)/cppinternals.info): New target.
8164 * c-tree.texi: Change file name used when makeinfo used without -o
8165 from ir.info to c-tree.info. Add info directory entry.
8166 * cppinternals.texi: Add info directory entry.
8167 * .cvsignore: Update.
8169 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8171 * c-typeck.c (store_init_value): Don't require constant initializer
8172 elements with -pedantic -std=c99.
8173 (digest_init): Change error about non-constant initializer elements
8175 (constructor_range_end): Remove.
8176 (constructor_incremental, designator_depth,
8177 designator_errorneous): New variables.
8178 (struct constructor_stack): Remove range_end, add incremental.
8179 (struct constructor_range_stack, constructor_range_stack): New.
8180 (struct initializer_stack): Add constructor_range_stack.
8181 (finish_init): Set it.
8182 (start_init): Likewise. require_constant_elements for non-static
8183 trees only if not flag_isoc99.
8184 (really_start_incremental_init): Remove constructor_range_end, add
8185 constructor_incremental.
8186 (pop_init_level): Likewise.
8187 (push_init_level): Likewise. If implicit and the subobject had some
8188 value set already, preinitialize the level with it.
8189 Warn about missing braces only if not pushing due to designators.
8190 (set_designator, push_range_stack): New functions.
8191 (set_init_label): Use them.
8192 (set_init_index): Likewise. Remove constructor_range_end.
8193 Error if designator index is outside of array bounds.
8194 (add_pending_init): Compare values of purpose index trees, not the
8195 trees themselves. Allow overwriting of already initialized element.
8196 Issue a warning if it had side-effects.
8197 (set_nonincremental_init, set_nonincremental_init_from_string): New
8199 (pending_init_member): Rename to...
8200 (find_init_member): ...this function. Call set_nonincremental_init
8201 if necessary. Compare values of purpose index trees, not the trees
8202 themselves. Return the actual value, not just non-zero if something
8204 (output_init_element): Remove checks for duplicates.
8205 If field has zero size, only check the initializer for correctness.
8206 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8207 if constructor_incremental is zero. Change error about initializers
8208 not computable at load time into pedwarn.
8209 (output_pending_init_elements): Compare bit positions, not
8210 FIELD_DECLs to take into account zero-sized fields.
8211 (process_init_element): Use constructor_range_stack to fill all
8212 ranges in the designator lists from current level up.
8213 * extend.texi: Update documentation for labeled elements.
8215 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8217 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8218 to function usage for arguments passed by reference. Optimize
8219 callee-copied arguments.
8220 * regmove.c (replace_in_call_usage): New function.
8221 (fixup_match_1): Call it.
8222 * cse.c (cse_insn): Canonicalize registers in function usage.
8223 * reload1.c (replace_pseudos_in_call_usage): New function.
8226 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8229 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8231 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8234 2001-01-12 DJ Delorie <dj@redhat.com>
8236 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8237 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8240 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8242 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8243 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8244 -std options alongside references to -ansi. Update some
8245 documentation for C99.
8246 * cpp.1: Regenerate.
8248 2001-01-12 Andreas Jaeger <aj@suse.de>
8250 * haifa-sched.c (restore_line_notes): Remove argument block B
8252 * sched-ebb.c (schedule_ebb): Change caller.
8253 * sched-rgn.c (schedule_region): Likewise.
8254 * sched-int.h (restore_line_notes): Adjust prototype.
8256 * loop.h: Remove wrong declaration of doloop_condition_get.
8258 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8260 * extend.texi: Move C++-extension-related node from the C section
8261 into the C++ section.
8263 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8265 * extend.texi: Refer to an array of pointers to functions instead
8266 of one of functions.
8268 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8269 Jan Hubicka <jh@suse.cz>
8271 * combine.c (reversed_comparison): Fix typo in last patch.
8273 (combine_reversed_comparison_code): Make static to follow
8274 prototype declaration.
8276 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8278 * install.texi: Remove misplaced duplicate entry.
8280 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8282 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8284 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8286 * final.c: (leaf_function_p): Fix typo.
8288 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8290 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8291 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8293 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8294 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8295 mmap_anon, and valloc is available.
8296 * ggc-page.c: Restructure ifdef logic to match new autoconf
8297 spec. Don't throw away the test page in init_ggc.
8299 * configure, config.in: Regenerate.
8301 2001-01-12 Michael Hayes <mhayes@redhat.com>
8303 * loop.h (total_biv_increment): Constify iv_class pointer.
8304 (struct induction): Replace `mem_mode' with `mem' rtx.
8305 * unroll.c (total_biv_increment): Constify iv_class pointer.
8306 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8307 (find_mem_givs, combine_givs_p): Likewise.
8308 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8310 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8312 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8314 (__gthread_getspecific): Ditto.
8316 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8318 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8319 put_condition_code): Convert fp comparison codes to integer
8321 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8324 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8325 * i386-protos.h (no_comparison_operator): Kill.
8327 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8329 * combine.c (REVERSIBLE_CC_MODE): Remove.
8330 (reversible_comparison_p): Remove.
8331 (combine_reversed_comparison_code): New.
8332 (reversed_comparison): New.
8333 (combine_simplify_rtx): Use
8334 combine_reversed_comparison_code/reversed_comparison instead
8335 of reversible_comparison_p.
8336 (simplify_if_then_else): Likewise.
8337 (simplify_set): Likewise.
8338 (simplify_logical): Likewise.
8339 (if_then_else_cond): Likewise.
8340 (known_cond): Likewise.
8341 (simplify_comparison): Likewise.
8343 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8345 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8346 sizeof (int) is larger than sizeof(__word__).
8348 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8350 * cppinit.c (do_includes): Fix typo.
8352 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8354 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8355 in S_REGS does not occur because not all sources are possible
8356 when a S_REGS is a destination (sometimes needs a clobber).
8357 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8358 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8359 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8360 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8361 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8362 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8363 (lshrdi_const1, lshrsi3_const16): Likewise.
8364 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8365 (*movhi_68hc12, *movqi_68hc12): Likewise.
8366 (movstrictqi): Make sure reloading in D_REGS as a destination
8369 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8371 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8373 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8375 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8376 -D, -U and -A, and don't initialize the builtins.
8377 (do_includes): Error if -include or -imacros with -fpreprocessed.
8378 * cppmain.c (cb_define, cb_undef): Unconditionally process
8380 * tradcpp.c (main): Fix typo.
8382 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8384 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8385 (read_name_map): Use IS_ABSOLUTE_PATH.
8386 * tradcpp.c (get_filename): Likewise.
8388 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8390 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8391 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8392 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8393 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8394 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8395 (cmphi_z_used): Don't use '@' for the output.
8396 (tstqi_z_used): Likewise.
8397 (cmpqi_z_used): Likewise.
8398 (one_cmplsi2): Likewise.
8400 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8402 * config/sh/sh.c (barrier_align): Recognize branch around far
8403 branch and redundant insn.
8405 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8407 * invoke.texi: Restore documentation of the drivers' switches -MD
8410 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8412 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8414 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8415 check-objc//%): Support parallel testing of multilibs.
8416 (TESTSUITEDIR): Set to testsuite by default, but override for
8418 (check-gcc, check-g++, check-g77, check-objc): Enter
8421 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8423 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8424 * sched-deps.c (deps_may_trap_p): Likewise.
8425 * basic-block.h: Remove a comment.
8426 * flow.c (PROP_POSTRELOAD): Remove.
8427 (update_life_info): Don't add it to prop_flags.
8428 (mark_set_1): Lose the code that was enabled by it.
8430 2001-01-11 Michael Hayes <mhayes@redhat.com>
8432 * flow.c (flow_call_edges_add): New.
8433 * basic_block.h (flow_call_edges_add): New.
8435 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8437 * reload1.c (move2add_note_store): Update reg_set_luid even if
8438 base reg remains the same.
8440 2001-01-10 Nick Clifton <nickc@redhat.com>
8442 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8443 machine_function structure to zero.
8444 Add prototypes for machine_status functions.
8446 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8448 * c-common.h (CTI_VOID_LIST): Remove.
8449 (void_list_node): Likewise.
8450 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8451 (void_list_node): New macro.
8452 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8453 * config/i386/i386.c (ix86_init_builtins): Likewise.
8454 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8456 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8458 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8459 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8461 * tradcpp.c: Include mkdeps.h.
8462 (deps, print_deps_phony_targets, deps_append, output_deps,
8463 init_dependency_output, output_deps): New.
8464 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8465 deps_output): Delete.
8466 (print_deps_missing_files): Rename deps_missing_files.
8467 (inhibit_output): Make global.
8468 (main): Delete inhibit_output, deps_stream, deps_target.
8469 Use mkdeps functionality in the same way as cpplib. Remove
8470 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8471 -M and -MM. Remove old handling of deps via deps_out, and
8472 old reading of environment variables.
8473 (get_filename): Update to use deps_add_dep.
8475 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8477 * output.h (make_function_rtl): Remove prototype.
8478 (make_decl_rtl): Likewise.
8479 * varasm.c (make_function_rtl): Remove.
8480 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8481 than from a third parameter.
8482 * tree.h (make_decl_rtl): Remove last parameter.
8483 * c-decl.c (builtin_function): Remove last argument in call to
8484 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8485 (start_function): Likewise.
8486 * except.c (call_get_eh_context): Likewise.
8487 * expr.c (emit_block_move): Likewise.
8488 (clear_storage): Likewise.
8489 * profile.c (output_func_start_profiler): Likewise.
8490 * toplev.c (rest_of_decl_compilation): Likewise.
8491 * objc/objc-act.c (create_builtin_decl): Likewise.
8492 (synth_module_prologue): Likewise.
8493 (generate_static_reference): Likewise.
8494 (build_selector_reference_decl): Likewise.
8495 (build_class_reference_decl): Likewise.
8496 (build_objc_string_decl): Likewise.
8497 (build_protocol_reference): Likewise.
8499 2001-01-10 Richard Henderson <rth@redhat.com>
8501 * hwint.h: Revert yesterday's change.
8503 2001-01-10 Nick Clifton <nickc@redhat.com>
8505 * function.h (save_machine_status): Delete.
8506 (restore_machine_status): Delete.
8507 Amend comment describing {init|mark|free}_machine_status.
8509 * function.c (save_machine_status): Delete.
8510 (restore_machine_status): Delete.
8511 Amend comment describing {init|mark|free}_machine_status.
8512 (push_function_context_to): Remove invocation of
8513 save_machine_status.
8514 (pop_function_context_from): Remove invocation of
8515 restore_machine_status.
8517 * emit-rtl.c (init_emit_once): Amend comment describing
8518 {init|mark|free}_machine_status.
8520 * tm.texi (Per-Function Data): New node. Describe the
8521 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8524 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8526 * cppinit.c (OPT_g): Remove.
8527 (cpp_handle_option): Update for removed -g3.
8528 (print_help): Update.
8529 * cpplib.h (struct cpp_options): Remove debug_output.
8530 * cppmain.c (setup_callbacks, cb_define): Update.
8531 * gcc.c (cpp_options): Translate -g3 to -dD.
8533 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8535 * config/i960/i960.md: Change modifier to + on the zero_extract
8536 pattern after the (rotate -2 reg) canonicalization pattern.
8538 2001-01-10 Richard Henderson <rth@redhat.com>
8540 * config/alpha/alpha.c (alpha_free_machine_status): New.
8541 (override_options): Install it.
8542 (alpha_mark_machine_status): Verify machine non-null.
8543 * config/i386/i386.c (ix86_free_machine_status): New.
8544 (override_options): Install it.
8545 (ix86_init_machine_status): Use xcalloc.
8546 (ix86_mark_machine_status): Verify machine non-null.
8547 * config/ia64/ia64.c (ia64_free_machine_status): New.
8548 (ia64_override_options): Install it.
8549 (ia64_mark_machine_status): Verify machine non-null.
8551 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8553 * function.c (instantiate_virtual_regs): Instantiate virtual
8554 registers found in CALL_INSN_FUNCTION_USAGE.
8556 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8558 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8559 equivalent to -ansi in disabling -Di386.
8561 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8563 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8565 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8567 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8569 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8571 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8573 * invoke.texi: Document that -fcond-mismatch isn't supported for
8576 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8578 * gcc.texi: Define macro gcctabopt.
8579 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8580 @command, @env and @option in some places where appropriate. Use
8581 @gcctabopt where appropriate. Put URLs and email addresses inside
8584 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8586 * gcc.c (cpp_options): Set MD file name from output
8587 filename, if specified.
8588 (suffix_subst): New static variable.
8589 (do_spec): Clear it.
8590 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8592 (give_switch): Handle suffix_subst.
8594 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8596 * invoke.texi: Fix another typo.
8598 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8600 * invoke.texi: Fix typo.
8602 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8604 * c-lang.c (lang_hooks): Update.
8605 (lang_decode_option): Remove.
8606 (lang_init_options): Rename c_init_options.
8607 * toplev.c (main): Use lang_hooks for lang_init_options
8608 and lang_decode_option.
8609 * toplev.h (lang_hooks): Add 2 new hooks.
8610 * tree.h: Remove lang_init_options and lang_decode_option.
8611 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8612 * cp/decl2.c: Similarly.
8613 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8614 (lang_hooks): Update.
8615 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8617 (lang_init_options): Rename ffe_init_options.
8618 (lang_hooks): Update.
8619 (lang_decode_option): Remove.
8620 * java/lang.c (lang_init_options): Rename java_init_options.
8621 (lang_decode_option): Rename java_decode_option.
8622 (lang_hooks): Update.
8623 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8624 (lang_decode_option): Rename objc_decode_option.
8625 (lang_hooks): Update.
8627 2001-01-09 Nick Clifton <nickc@redhat.com>
8629 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8630 (d30v_return_addr_rtx): Delete.
8631 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8632 cfun->machine structure.
8633 (struct machine_function): Move to d30v.h
8634 (d30v_save_machine_status): Delete.
8635 (d30v_restore_machine_status): Delete.
8636 (d30v_init_machine_status): New Function.
8637 (d30v_mark_machine_status): New Function.
8638 (d30v_free_machine_status): New Function.
8639 (d30v_init_expanders): Use new functions.
8640 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8641 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8642 d30v_return_addr_rtx.
8644 * config/d30v/d30v.h (struct_machine): Move here.
8645 Add eh_epilogue_sp_ofs field.
8647 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8648 field in cfun->machine structure.
8650 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8652 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8653 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8654 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8656 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8658 * objc/lang-options.h: Remove bogus reference to
8661 2001-01-09 Kazu Hirata <kazu@hxi.com>
8663 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8666 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8668 * reload.c (find_reloads_address): Check for eliminable registers
8669 when substituting a constant expression for a pseudo.
8671 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8673 * c-common.c (enum format_type): Add format_type_error.
8674 (decode_format_type): New function.
8675 (decl_attributes): Use it.
8676 (format_kind_info): Adjust comment.
8678 2001-01-09 David O'Brien <obrien@BSDi.com>
8680 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8681 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8683 * config/i386/gnu.h: Don't include required platform specific .h files,
8684 tm.h will do it instead.
8685 * config/i386/i386elf.h: Likewise.
8686 * config/i386/linux.h: Likewise.
8687 * config/i386/moss.h: Likewise.
8688 * config/mips/gnu.h: Likewise.
8690 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8692 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8693 (rs6000-ibm-aix3.[01]*): Likewise.
8694 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8695 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8696 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8697 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8698 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8699 (powerpc-*-eabiaix*): Likewise.
8700 (powerpc-*-eabisim*): Likewise.
8701 (powerpc-*-elf*): Likewise.
8702 (powerpc-*-eabi*): Likewise.
8703 (powerpc-*-rtems*): Likewise.
8704 (powerpc-*-linux*libc1): Likewise.
8705 (powerpc-*-linux*): Likewise.
8706 (powerpc-wrs-vxworks*): Likewise.
8707 (powerpcle-wrs-vxworks*): Likewise.
8708 (powerpcle-*-sysv*): Likewise.
8709 (powerpcle-*-elf*): Likewise.
8710 (powerpcle-*-eabisim*): Likewise.
8711 (powerpcle-*-eabi*): Likewise.
8712 (powerpcle-*-solaris2*): Likewise.
8713 * config/rs6000/aix31.h: Delete includes.
8714 * config/rs6000/aix3newas.h: Likewise.
8715 * config/rs6000/aix41.h: Likewise.
8716 * config/rs6000/aix43.h: Likewise.
8717 * config/rs6000/beos.h: Likewise.
8718 * config/rs6000/rtems.h: Likewise.
8719 * config/rs6000/sysv4.h: Likewise.
8721 2001-01-09 Kazu Hirata <kazu@hxi.com>
8723 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8724 Change an argument mode of machine_mode to shift_mode of
8725 shift_mode. Remove an extra error check.
8726 (emit_a_shift): Adopt to the new calling prototype of
8728 (function_prologue): Fix code for a monitor
8729 function. Support H8/S.
8730 (function_epilogue): Do not output pop for a monitor function.
8732 2001-01-09 Nick Clifton <nickc@redhat.com>
8734 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8735 (setup_incoming_varargs): Use sysv_varargs_p field of the
8736 cfun->machine structure.
8737 (struct machine_function): Move to rs6000.h
8738 (rs6000_save_machine_status): Delete.
8739 (rs6000_restore_machine_status): Delete.
8740 (rs6000_init_machine_status): New Function.
8741 (rs6000_free_machine_status): New Function.
8742 (rs6000_init_expanders): Use new functions.
8744 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8746 (struct machine_function): Move here.
8748 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8749 sysv_varargs_p field of the cfun->machine structure.
8751 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8753 (rs6000_restore_machine_status): Remove prototype.
8755 2001-01-09 Richard Henderson <rth@redhat.com>
8757 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8758 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8759 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8760 (sched_analyze_2, sched_analyze_insn): Likewise.
8761 (sched_analyze, init_deps): Likewise.
8762 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8763 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8764 (compute_block_backward_dependences): Update propagate_deps call.
8766 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8768 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8770 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8772 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8773 (cpp_handle_option): Handle them.
8774 (cpp_post_options): Ensure one of -M or -MM is specified with
8775 any other -M? option.
8776 (init_dependency_output): Suppress output with -MG.
8778 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8781 * invoke.texi: Update.
8783 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8785 * sh.md (reload_outsf): Generate recognizable patterns for
8788 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8790 * c-lang.c (lang_hooks): Update.
8791 (lang_init): Rename c_init.
8792 (lang_finish): Remove.
8793 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8795 * toplev.h (lang_hooks): Add init () and finish ().
8796 * tree.h (lang_init, lang_finish): Remove.
8797 * cp/tree.h (lang_init, lang_finish): Remove.
8798 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8799 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8801 (lang_init, lang_finish): Remove.
8802 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8803 (lang_hooks): Update.
8804 * java/lang.c (lang_init): Rename java_init.
8805 (lang_finish): Remove.
8806 (lang_hooks): Update.
8807 * objc/objc-act.c (lang_init): Rename objc_init.
8808 (lang_finish): Remove.
8809 (lang_hoooks): Update.
8811 20001-01-09 Graham Stott <grahams@redhat.com>
8813 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8814 after `ptr` is initialised.
8816 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8818 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8819 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8820 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8821 stack adjusts, instead of r3.
8823 2001-01-09 Michael Hayes <mhayes@redhat.com>
8825 * flow.c (flow_loop_scan): Break out of ...
8826 (flow_loops_find) ... here.
8827 * basic-block.h (flow_loop_scan): New.
8828 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8829 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8831 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8833 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8835 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8836 realloc()ing macro_buffer.
8838 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8839 if it's wider than long and the target's long is wider than the
8842 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8844 Remove support for using UWIN as a host machine.
8845 * configure.in: Issue an error message.
8846 * configure: Regenerated.
8847 * config.gcc: Remove xm_* UWIN configury.
8848 * config/i386/xm-uwin.h: Remove.
8850 2001-01-08 Nick Clifton <nickc@redhat.com>
8852 * config/v850/v850.c (ra_rtx): Delete.
8853 (v850_save_machine_status): Delete.
8854 (v850_restore_machine_status): Delete.
8855 (v850_init_machine_status): New function.
8856 (v850_mark_machine_status): New function.
8857 (v850_free_machine_status): New function.
8858 (v850_return_addr): Use ra_rtx field in machine structure.
8859 (v850_init_expanders): Use new functions.
8861 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8862 * config/v850/v850.c: Change arguments to v850_output+* functions
8863 to take a const char *, to avoid compile time warning.
8864 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8865 (USER_LABEL_PREFIX): Redefine.
8867 2000-01-08 Jim Wilson <wilson@redhat.com>
8869 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8870 1 to unsigned HOST_WIDE_INT before left shift.
8872 2001-01-08 Nick Clifton <nickc@redhat.com>
8874 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8875 the machine structure has been allocated.
8876 (arm_free_machine_status): New function: Free the machine
8877 specific function structure.
8879 2001-01-08 Richard Henderson <rth@redhat.com>
8881 * jump.c (simplejump_p): Revert last change.
8883 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8885 * cppinit.c (init): Rename init_library.
8886 (cpp_create_reader): Update.
8887 * gcc.c (cpp_options): If -o given, use it as the target of
8890 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8892 * arm.c (arm_arch5e): New variable.
8893 (all_cores): XScale is a 5TE device.
8894 (arm_override_options): Set arm_arch5e.
8895 (arm_init_builtins): __builtin_prefetch is in arch5e.
8896 * arm.h (arm_arch5e): Declare it.
8898 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8900 * arm.md (define_constants): Add defines for UNSPEC and
8901 UNSPEC_VOLATILE insns. Update all users.
8902 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8903 * arm.c (multi_register_push, note_invalid_constants)
8904 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8905 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8906 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8908 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8910 * jump.c (jump_optimize_1): Use reversed_comparison_code
8911 instead of can_reverse_comparison_p.
8912 (jump_back_p): Likewise.
8913 (invert_exp_1): Likewise.
8914 (thread_jumps): Likewise.
8915 * simplify-rtx.c (simplify_unary_operation): Likewise.
8916 (simplify_ternary_operation): Likewise.
8917 * cse.c (find_comparison_args): Convert to use
8918 can_reverse_comparison_p.
8919 (record_jump_equiv): Likewise.
8921 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8923 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8924 (EPILOGUE_USES): Define.
8925 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8926 automatically stack the LR if it isn't live.
8928 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8930 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8933 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8935 * ggc-page.c (max_alignment): New structure.
8936 (MAX_ALIGNMENT): New macro.
8937 (init_ggc): Use it to round up the sizes in the
8938 extra_order_size_table.
8940 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8942 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8945 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8947 * builtins.def (BUILT_IN_FPRINTF): New entry.
8949 * c-common.c (c_expand_builtin_fprintf): New function.
8950 (init_function_format_info): Handle __builtin_fprintf.
8951 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8952 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8954 * c-decl.c (duplicate_decls): Adjust comment.
8956 * extend.texi (fprintf): Document new builtin.
8958 2001-01-07 Richard Henderson <rth@redhat.com>
8960 * jump.c (simplejump_p): Recognize any single_set jump
8963 2001-01-07 Richard Henderson <rth@redhat.com>
8965 * configure.in (slibdir): Accept an --with-slibdir option.
8966 Use "test" not "[" in configure. Default to $(libdir).
8968 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8970 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8971 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8972 (SHLIB_LINK): Create links for the soname.
8973 * config/mips/t-iris6: Likewise.
8974 * config/sparc/t-slibgcc: Likewise.
8975 * config/sparc/t-slibgcc-sld: Likewise.
8977 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8979 * config/i386/i386.c (constant_call_address_operand): Accept
8980 (const (plus (symbol_ref) (const_int))).
8981 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8982 constant_call_address_operand.
8984 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8986 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8987 and LONG_LONG_TYPE_SIZE > 32.
8989 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8991 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8992 the previous change.
8994 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8996 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8998 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8999 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9000 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9003 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9005 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9007 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9009 * c-lang.c (c_post_options): Call cpp_post_options.
9010 * objc/objc-act.c (objc_post_options): Similarly.
9011 * cppmain.c (main): Similarly.
9012 * fix-header.c (read_scan_file): Similarly.
9013 * cppinit.c (cpp_start_read): Move option consistency checks
9014 to cpp_post_options. Don't call init_dependency_output.
9015 If needed, add default target and main file dependency.
9016 (OPT_MD, OPT_MMD): Remove.
9018 (cpp_handle_option): Update for OPT_* changes.
9019 (cpp_post_options): New.
9020 (init_dependency_output): Command line -MF overrides environment
9021 variables. Don't set default target etc. Suppress output
9022 if dependencies are going to stdout.
9023 (print_help): Update.
9024 * cpplib.h (cpp_post_options): New.
9025 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9027 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9029 * jump.c (comparison_dominates_p): Support unordered compares.
9031 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9033 * simplify-rtx.c (simplify_relational_operation): Always simplify
9034 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9037 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9039 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9040 (nonzero_bits): Likewise.
9041 (simplify_comparison): Likewise.
9042 (num_sign_bit_copies): Likewise; return more sane value depending
9043 on STORE_FLAG_VALUE.
9044 (known_cond): Do not assume EQ to be always true for equivalent
9047 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9049 * cse.c (fold_rtx): Handle unordered comparisons.
9051 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9053 * rtlanal.c (set_of_1): New static function.
9054 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9055 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9056 reg_set_last_last_regno): Remove.
9057 (set_of): New global function.
9058 (set_of_data): New structure.
9059 (reg_set_p, reg_set_last): Revamp for set_of.
9060 * rtl.h (set_of): New.
9062 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9064 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9065 * extend.texi: Document _Exit builtin.
9067 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9069 * (initialize, initialize_builtins,
9070 initialize_dependency_output, initialize_standard_includes):
9071 Rename s/initialize/init. Update.
9072 (init_dependency_output): Move to after
9073 cpp_handle_options, the correct location temporally at least.
9074 (opt_comp): Move next to init (), its caller. Fix prototype.
9075 (init): Make "initialized" local scope.
9076 (cpp_create_reader): Always call init ().
9077 (cpp_start_read): Update.
9078 (output_deps): New function, broken out of cpp_finish.
9079 (cpp_finish): Break out output_deps.
9081 2001-01-07 Richard Henderson <rth@redhat.com>
9083 * collect2.c (COFF specific stuff): Revert 12-06 patch
9084 to prototype system functions.
9086 2001-01-07 Michael Hayes <mhayes@redhat.com>
9088 * hard-reg-set.h: Add multiple include guard.
9089 * basic-block.h (struct loop): Add `sink' field.
9090 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9091 (emit_iv_add_mult): Delete.
9092 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9093 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9094 (unroll_loop): Remove end_insert_before argument.
9095 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9096 (maybe_eliminate_biv_1): Likewise.
9097 (emit_iv_add_mult): Delete.
9098 (gen_add_mult, loop_regs_update): New.
9099 (loop_insn_emit_after, loop_insn_emit_before): New.
9100 (loop_insn_sink, loop_insn_sink_or_swim): New.
9101 (emit_iv_add_mult): Delete.
9102 (scan_loop): Set loop->sink.
9103 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9104 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9105 (maybe_eliminate_biv_1): Likewise.
9106 (maybe_eliminate_biv_1): Add basic block argument.
9107 * unroll.c (unroll_loop): Remove end_insert_before argument.
9108 (find_splittable_regs): Likewise.
9109 (find_splittable_regs): Use loop_insn_sink and its ilk.
9110 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9112 2001-01-07 Michael Hayes <mhayes@redhat.com>
9114 * loop.h (loop_insn_hoist): New prototype.
9115 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9116 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9117 (check_dbra_loop, load_mems): Likewise.
9118 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9119 (find_splittable_givs): Likewise.
9121 2001-01-07 Michael Hayes <mhayes@redhat.com>
9123 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9125 2001-01-07 Richard Henderson <rth@redhat.com>
9127 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9129 2001-01-07 Richard Henderson <rth@redhat.com>
9131 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9132 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9133 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9134 variant that handles a shared libgcc.
9135 (process_command): Always validate -{static,shared}-libgcc.
9136 (do_spec_1): New 'M' case.
9137 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9139 2001-01-07 Richard Henderson <rth@redhat.com>
9141 * Makefile.in (slibdir): New variable.
9142 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9143 (installdirs): Create slibdir.
9144 (install-libgcc, install-multilib): Defer to libgcc.mk.
9145 * configure.in (slibdir): Substitute.
9146 * mklibgcc.in (install): New target.
9148 * config/t-linux (SHLIB_LINK): Create links for the soname.
9149 (SHLIB_INSTALL): New.
9150 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9151 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9152 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9153 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9154 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9156 2001-01-07 Richard Henderson <rth@redhat.com>
9158 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9159 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9160 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9162 2001-01-07 Michael Hayes <mhayes@redhat.com>
9164 * loop.c (count_loop_regs_set): Delete.
9165 (load_mems_and_recount_loop_regs_set): Delete.
9166 (loop_regs_scan): Merge common code from count_loop_regs_set,
9167 scan_loop, and load_mems_and_recount_loop_regs_set.
9168 (scan_loop): Call load_mems directly and loop_regs_scan
9169 again if new registers created.
9171 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9173 * toplev.c (main): Call the front-end specific post_options
9174 hook if one is given.
9175 * toplev.h (struct_lang_hooks, lang_hooks): New.
9176 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9177 for the C front end.
9178 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9179 lang_hooks for the C++ front end.
9180 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9181 lang_hooks for the ObjC front end.
9182 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9183 * java/lang.c (lang_hooks): Hooks for the Java front end.
9185 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9187 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9188 for verbose DWARF[2] debugging.
9189 (cb_define, cb_undef): The new callbacks.
9190 * toplev.h (debug_define, debug_undef): Make const correct.
9191 * toplev.c (debug_define, debug_undef): Similarly. Do not
9192 perform the verbosity tests here anymore.
9194 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9196 * reload.c (subst_reloads): Take INSN argument. When
9197 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9198 * reload.h (subst_reloads): Adjust prototype.
9199 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9200 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9201 present in JUMP_INSNs and copy them to JUMP_LABEL.
9202 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9203 JUMP_INSNs and insns with REG_LABELs that are followed by
9204 JUMP_INSNs with the same REG_LABEL.
9205 * sched-rgn.c (is_cfg_nonregular): Likewise.
9206 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9208 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9210 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9212 2001-01-06 Richard Henderson <rth@redhat.com>
9214 * loop.c (scan_loop): Use xcalloc for the regs array.
9215 (load_mems_and_recount_loop_regs_set): Zero the new memory
9216 received from xrealloc.
9218 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9220 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9222 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9224 * integrate.c (copy_rtx_and_substitute): When copying
9225 an ignored return value, strip REG_FUNCTION_VALUE_P.
9227 2001-01-06 Michael Hayes <mhayes@redhat.com>
9229 * loop.c (debug_biv, debug_giv): New.
9230 (loop_biv_dump): Break out from ...
9231 (record_biv): ... here.
9232 (loop_giv_dump): Break out from ...
9233 (record_giv): ... here.
9234 (loop_bivs_check): Use print_simple_rtl.
9235 * unroll.c (loop_iterations): Use print_simple_rtl.
9237 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9239 * pa.md (return, return_internal): Modify patterns to prevent regrename
9240 mucking with the return pointer.
9242 2001-01-05 Richard Henderson <rth@redhat.com>
9244 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9246 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9248 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9249 version supplied by Matteo Frigo.
9251 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9253 * cpp.texi: Update for -MQ.
9254 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9255 (cpp_cleanup): Always free pfile->deps.
9256 (initialize_dependency_output): Don't create pfile->deps.
9257 (cpp_handle_option): Similarly.
9259 * gcc.c (cpp_options): Handle -MQ.
9260 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9261 * mkdeps.c (base_name): Remove.
9262 (deps_init): Don't allocate vector space until it's needed.
9263 (deps_free): Only free vectors if allocated.
9264 (deps_add_target, deps_add_dep): Update for initial allocation.
9265 (deps_add_default_target): Don't strip to the base_name.
9267 2001-01-05 DJ Delorie <dj@redhat.com>
9269 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9270 (INIT_EXPANDERS): Define.
9272 * config/v850/v850.c (struct machine_function): Define.
9273 (v850_save_machine_status): New function.
9274 (v850_restore_machine_status): New function.
9275 (v850_return_addr): New function.
9276 (v850_init_expanders): New function.
9278 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9279 and v850_init_expanders.
9281 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9283 * cpplib.h (struct cpp_reader): Add help_only field.
9284 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9285 (cpp_handle_option): Set pfile->help_only if we see -h,
9286 --help, -target-help, or --version. Print version string but
9287 do not set help_only if we see -v or -version. Make text
9288 printed by -v match that printed by (-)-version.
9290 * cppmain.c (main): Exit after option parsing if
9291 pfile->help_only is true.
9293 * toplev.c (independent_decode_option): Call print_version,
9294 then exit, if we see --version (but not -version).
9295 (print_version): Split lengthy message into two lines.
9297 2001-01-05 Nick Clifton <nickc@redhat.com>
9299 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9300 temporary string for initialisation before calling ggc_alloc_string.
9302 2001-01-06 Michael Hayes <mhayes@redhat.com>
9304 * rtl.h (print_simple_rtl): New.
9305 * print-rtl.c (print_simple_rtl): New.
9307 (print_rtx): Disable printing of flags and modes, etc.,
9308 if `flag_simple` nonzero.
9310 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9312 * function.c (fixup_var_refs): Use push_to_full_sequence where
9315 2001-01-05 Michael Meissner <meissner@redhat.com>
9317 * flags.h (flag_reorder_blocks): Add declaration.
9318 (flag_rename_block): Ditto.
9320 2001-01-05 DJ Delorie <dj@redhat.com>
9322 * function.c (reorder_blocks): Make sure the flags are all reset
9323 before using them to mark blocks, else a second invocation will
9324 corrupt the block chain.
9325 (reorder_blocks_0): New, resets the flags.
9327 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9329 * cse.c (find_comparison_args): Stop if the argument is known to
9332 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9334 * config/sh/sh.md (movdf): When splitting load into pair of
9335 registers, don't clobber the register used in the address too
9338 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9340 * varasm.c (mark_constant_pool): Improve initial comments.
9341 (mark_constants): Move marking of constants to mark_constant.
9342 (mark_constant): New function to recursively mark all constants
9343 referred to by a constant.
9345 2001-01-05 Catherine Moore <clm@redhat.com>
9347 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9349 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9351 * cp/lang-options.h: Bring comment in line with reality.
9352 * f/lang-options.h: Likewise.
9353 * java/lang-options.h: Likewise.
9354 * objc/lang-options.h: Likewise.
9355 * ch/lang-options.h: Likewise.
9356 * f/g77.texi: And update the manual.
9358 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9359 Denis Chertykov <denisc@overta.ru>
9361 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9362 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9363 * config/avr/avr.md (all peepholes that request a scratch register):
9364 Call it, FAIL the peephole if not safe (in interrupt functions).
9366 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9368 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9370 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9372 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9374 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9375 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9376 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9377 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9378 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9380 * extend.texi: Document these builtins.
9382 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9384 * c-common.c (lang_get_alias_set): Say we know nothing of
9385 VECTOR_TYPE aliasing.
9387 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9389 2001-01-05 Bruce Korb <bkorb@gnu.org>
9391 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9392 their x* equivalent versions for atexit-less systems
9393 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9394 systems (or any other system any more).
9396 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9398 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9399 output operands. Use arm_hard_register_operand for operand 4.
9400 (stmsi_postinc): Similarly.
9401 (ldmsi): Use arm_hard_register_operand for opernand 2.
9403 * arm.c (arm_hard_register_operand): New function.
9404 * arm-protos.h (arm_hard_register_operand): Prototype it.
9406 * arm.h (HARD_REGNO_RENAME_OK): Define.
9408 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9410 * simplify-rtx.c (cfc_args): add "unordered" field.
9411 (check_fold_consts): Set unordered field.
9412 (simplify_relational_operation): Simplify the unordered
9415 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9418 * emit-rtl.c (try_split): Fix code to mark labels.
9419 * jump.c (mark_jump_label): Make global.
9420 * rtl.h (mark_jump_label): Declare.
9422 * predict.c (estimate_probability): Handle unordred comparisons.
9424 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9426 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9427 * cppinit.c (initialize_dependency_output): Update.
9428 (cpp_finish): Output dummy targets for -MP.
9430 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9431 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9432 * gcc.c (cpp_options): Update to handle -MP.
9433 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9434 to quote only the default target.
9435 (deps_phony_targets): Insert a preceding newline. Rename from
9436 deps_dummy_targets for consistency.
9439 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9441 * calls.c (emit_library_call_value_1): Support
9442 INIT_CUMULATIVE_LIBCALL_ARGS.
9443 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9445 2001-01-04 Richard Henderson <rth@redhat.com>
9447 * c-decl.c (finish_struct): Detect flexible array members
9448 used in an inappropriate context.
9449 * c-typeck.c (really_start_incremental_init): Special case
9450 constructor_max_index for zero length arrays.
9451 (pop_init_level): Allow initialization of flexible array
9452 members. Deprecate initialization of zero length arrays.
9453 Don't issue missing initializer warning for flexible array
9454 members or zero length arrays.
9455 (process_init_element): Don't dereference null DECL_SIZE.
9456 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9457 Don't abort for empty constructors. Use size_binop
9458 (output_constructor): Add commentary regarding zero length
9459 array futures. Abort if we try to initialize an array of
9460 unspecified length with a non-empty constructor in the middle
9463 * extend.texi (Zero Length): Update and clarify documentation
9464 on static initialization.
9466 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9468 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9469 with more than 32767 words of local storage.
9471 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9473 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9474 for 'abs', 'labs', and 'fabs'.
9475 (c4x_expand_builtin): Likewise.
9476 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9478 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9480 * config/sh/sh.md (prget, prset): New insn types.
9481 (return delay slot): Dont' allow prset.
9482 (call, sfunc delay slot): Don't allow prget.
9483 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9484 for prset and prget.
9486 2001-01-05 Michael Hayes <mhayes@redhat.com>
9488 * loop.h (struct loop_reg): New.
9489 (struct loop_regs): Change to use array of `struct loop_reg'.
9490 * loop.c: Replace assortment of varrays with single regs array.
9491 (count_one_set): Delete may_not_move array argument
9492 and use regs array instead. All caller's changed.
9493 (count_loop_regs_set): Delete may_not_move and single_usage
9494 arguments and use regs array instead. All caller's changed.
9495 (find_single_use_in_loop): Replace usage array argument with pointer
9496 to regs structure. All caller's changed.
9497 (loop_optimize): Delete `moved_once' array.
9499 2001-01-05 Michael Hayes <mhayes@redhat.com>
9501 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9502 Use it instead of loop_info->has_call for scanning loop mems.
9503 (check_dbra_loop): Replace loop_info->has_call test with
9504 loop_info->has_nonconst_call.
9506 2000-01-04 Matthew Hiller <hiller@redhat.com>
9508 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9511 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9513 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9514 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9516 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9518 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9519 (flag_short_double, flag_short_wchar): Define.
9520 (c_common_nodes_and_builtins): Create many tree nodes shared
9521 between C and C++ here instead of in cp/decl.c and ...
9522 * c-decl.c (init_decl_processing): ... here.
9523 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9524 (flag_short_double, flag_short_wchar): Don't define.
9525 (record_builtin_type): New function.
9526 (build_void_list_node): New function.
9527 * c-common.h (flag_short_double, flag_short_wchar,
9528 record_builtin_type, build_void_list_node): Declare.
9530 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9532 * integrate.c (expand_inline_function): Don't put a virtual
9533 register into the reg map.
9535 * function.c (fixup_var_refs_1): If force_operand didn't put
9536 the address into the target, move it there.
9538 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9540 Special-case tree_decl/tree_list allocations.
9541 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9542 (OBJECT_SIZE): New macro.
9543 (NUM_EXTRA_ORDER): Likewise.
9544 (extra_order_size_table): New variable.
9545 (NUM_ORDERS): New macro.
9546 (objects_per_page_table): New variable.
9547 (object_size_table): New variable.
9548 (G.pages): Use NUM_ORDERS to bound the array.
9549 (G.page_tails): Likewise.
9550 (DIV_ROUND_UP): Remove.
9551 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9552 (alloc_page): Use OBJECT_SIZE.
9553 (size_lookup): Don't make it const.
9554 (ggc_alloc): Use OBJECT_SIZE.
9555 (ggc_set_mark): Likewise.
9556 (ggc_get_size): Likewise.
9557 (init_ggc): Set up the object_size_table, objects_per_page_table,
9558 and adjust size_lookup.
9559 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9560 (ggc_pop_context): Use NUM_ORDERS.
9561 (clear_marks): Likewise.
9562 (sweep_pages): Likewise.
9563 (poison_pages): Likewise.
9564 (ggc_print_statistics): Use OBJECT_SIZE.
9566 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9568 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9569 Only call array_size_for_constructor if last field and array type
9570 with no upper bound.
9572 2001-01-04 Philip Blundell <philb@gnu.org>
9574 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9575 from bit 31 downwards, if this requires no more insns.
9576 (count_insns_for_constant): New helper function for above.
9578 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9580 * gencodes.c (output_predicate_decls): Remove empty initializer.
9582 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9584 * tree.c (copy_node): Remove documentation about obstacks.
9585 (buidl1): Check that nobody tries to build 2-argument nodes this
9588 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9590 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9593 * gencodes.c (output_predicate_decls): Fill empty initializer
9596 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9598 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9599 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9601 (do_include): Handle missing headers like cpp0.
9602 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9603 paths with first include pathname. Don't strcat to uninitialized
9606 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9608 * regrename.c (regrename_optimize): Don't rename from frame pointer
9609 if frame_pointer_needed.
9610 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9611 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9612 (ia64_reorg): Use it instead of scheduling if ! optimize.
9613 (errata_emit_nops): Properly call asm_noperands.
9614 (ia64_sched_reorder): Finish cycle if we see an asm.
9615 (ia64_variable_issue): Clear scheduling state after asms.
9617 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9619 * cpp.texi: Update for -MT.
9620 * cppinit.c (initialize_dependency_output): Add a default
9621 target if none has been given already.
9622 (no_tgt, OPT_MT): New.
9623 (cpp_handle_option): Handle -MT. Update -M etc.
9624 * cpplib.h (struct cpp_options): Remove deps_target.
9625 * gcc.c (cpp_options): Handle -MT.
9626 * mkdeps.c (struct deps): Move from mkdeps.h.
9627 (deps_calc_target): Rename deps_add_default_target. Add a
9628 default target if none has been specified already.
9629 * mkdeps.h (struct deps): Move to mkdeps.c.
9630 (deps_calc_target): Rename deps_add_default_target.
9632 2000-01-03 Richard Henderson <rth@redhat.com>
9634 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9636 * c-typeck.c (push_init_level): Move checks for flexible array
9637 members and zero length arrays ...
9638 (pop_init_level): ... here. Silently discard empty initializations.
9640 * varasm.c (output_constructor): Update for sizeof change to
9643 * extend.texi (Zero Length): Clarify semantics.
9645 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9647 * configure.in (tm.h): Include isns-codes.h last.
9648 * configure: Rebuilt.
9650 2001-01-03 Richard Henderson <rth@redhat.com>
9652 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9653 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9655 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9657 * tradcpp.c (main): Make sure finclude() is called with a valid
9658 indepth value while handling -include.
9660 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9662 * gencodes.c (output_predicate_decls): New function.
9664 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9665 even if it is not the first time machmode.h is #included.
9666 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9667 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9668 * gcc.texi (Copyright): Added 2001.
9670 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9672 * c-common.c (c_common_lang_init): New function. Warn if format
9673 warning options which only have effects when used with -Wformat
9674 are used without -Wformat.
9675 * c-common.h (c_common_lang_init): Declare.
9676 * c-lang.c (lang_init): Call c_common_lang_init.
9677 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9679 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9681 * configure.in: Check for the mktemp command.
9682 * configure: Regenerate.
9683 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9684 $TEMP. Create temporary files with mktemp, if available at
9685 configure time; otherwise use set -C. Remove temporary files
9688 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9690 * configure.in: Require at least texinfo 4.0. Check for whether
9691 Pod::Man is sufficiently recent to regenerate GCC manpages.
9692 * configure: Regenerate.
9693 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9695 (GENERATED_MANPAGES): Define.
9696 (generated-manpages): New target. Depend on cpp.1 as well as
9698 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9699 configure to generated-manpages or empty) rather than on the
9700 manpages directly. Remove execute permission from installed
9701 gcov.1 as well as cpp.1.
9702 * cpp.1, gcov.1: Regenerate.
9704 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9706 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9707 tree_low_cst. Allow using cmpstrsi in more cases.
9709 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9711 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9714 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9716 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9717 * Makefile.in (HOST_CFLAGS): Mention build-make.
9719 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9721 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9724 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9726 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9729 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9732 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9733 reg_base_value and reg_known_value arrays.
9734 (init_alias_analysis): Add more cases to detect known values.
9735 * sched-deps.c (deps_may_trap_p): New function.
9736 (sched_analyze_2): Use it.
9738 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9740 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9741 don't discard an ASHIFTRT if we're shifting in a wider mode.
9743 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9745 * toplev.c (rest_of_compilation): Don't print basic block information
9746 when CFG isn't up to date.
9748 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9750 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9751 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9752 (UNALIGNED_SHORT_ASM_OP): Define.
9753 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9755 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9757 * fold-const.c (fold_convert): Fix typo.
9759 2001-01-02 Richard Henderson <rth@redhat.com>
9761 * c-common.h (ASM_INPUT_P): New.
9762 * c-parse.in (asm): Set it when needed.
9763 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9764 existance of an operand.
9766 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9768 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9769 (dwarf2out_frame_debug_expr): Likewise.
9770 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9772 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9774 * i386.c (ix86_split_to_parts): Return number of part required;
9776 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9778 (ix86_split_long_move): Use number of part returned
9779 by ix86_split_to_parts
9780 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9782 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9783 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9784 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9785 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9786 (ALIGN_MODE_128): Add TFmode.
9787 (IS_STACK_MODE): Likewise.
9788 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9789 (HARD_REGNO_OK): Support TFmodes.
9790 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9791 * i386.md (scheduler definitions): Use memory operand to determine
9792 fst/fld instructions; use mode attribute to determine real mode of
9794 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9795 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9797 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9799 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9801 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9803 * expr.c (store_constructor_field): Update ALIGN before calling
9806 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9808 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9811 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9813 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9816 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9818 * c-decl.c (start_function): Don't warn on third parameter to main.
9820 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9822 * tsystem.h: Define HAVE_DECL_GETOPT.
9824 2001-01-02 Philip Blundell <pb@futuretv.com>
9826 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9829 2001-01-02 Richard Henderson <rth@redhat.com>
9831 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9833 2001-01-02 Andreas Jaeger <aj@suse.de>
9835 * c-decl.c (c_decode_option): Remove support of
9838 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9839 (W_options): Add -Wmissing-noreturn here.
9841 * flow.c: Define lang_missing_noreturn_ok_p.
9842 (check_function_return_warnings): Use it.
9844 * c-common.h: Declare lang_missing_noreturn_ok_p.
9846 * c-lang.c (c_missing_noreturn_ok_p): New function.
9847 (lang_init): Set lang_missing_noreturn_ok_p.
9849 * invoke.texi (Warning Options): Document this.
9851 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9853 * extend.texi (C++ Extensions): New node for C++ attributes;
9854 describe init_priority and com_interface.
9855 * invoke.texi: Remove -finit-priority as it now has zero effect.
9856 * install.texi: Fix xref syntax.
9857 * md.texi: Likewise.
9859 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9861 * config.gcc (sparc64-wrs-vxworks*): New case.
9862 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9864 * config/sparc/sparc.c (sparc_override_options): Do support different
9865 pointer and architecture size.
9866 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9867 (POINTERS_EXTEND_UNSIGNED): Define.
9868 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9869 (FUNCTION_MODE): Define to be Pmode.
9870 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9872 * function.c (expand_function_end): Properly handle DECL_RESULT
9873 and copy when ptr_mode != Pmode.
9874 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9876 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9878 * c-common.c (c_common_nodes_and_builtins): Set prototype
9879 parameters for __builtin_fputs, __builtin_fputc and
9880 __builtin_fwrite. Don't declare plain fputc as a builtin.
9882 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9884 * loop.c (add_label_notes): Increment the label usage count when
9885 a note is added to an insn which refers to a CODE_LABEL.
9886 * gcse.c (add_label_notes): Likewise.
9888 2001-01-01 Andreas Jaeger <aj@suse.de>
9890 * loop.c (scan_loop): Use xmalloc to allocate movables.
9892 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9894 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9895 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9896 * reload1.c (REGISTER_MOVE_COST): Likewise.
9897 * regclass.c (REGISTER_MOVE_COST): Likewise.
9898 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9899 dimension. Adjust all users.
9900 (init_reg_sets_1): Iterate on all modes.
9901 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9902 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9903 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9904 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9905 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9906 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9907 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9908 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9909 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9910 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9911 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9912 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9913 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9914 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9915 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9916 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9917 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9918 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9919 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9920 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9921 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9922 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9923 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9924 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9925 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9926 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9927 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9929 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9931 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9932 arg VARIES_P. Call it with extra arg.
9933 (true_dependence): Likewise.
9934 * rtl.h (rtx_addr_can_trap_p): Declare.
9935 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9937 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9938 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9939 pic offset table register if it's zero. All callers changed.
9940 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9942 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9944 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9945 STRING_POOL_ADDRESS_P.
9947 * config/sparc/sparc.c (input_operand): Properly test for short op.
9949 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9950 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9951 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9952 * config/sparc/elf.h: No longer include sol2.h.
9953 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9954 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9956 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9958 2001-01-01 Michael Hayes <mhayes@redhat.com>
9960 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9961 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9962 (record_initial): Likewise.
9963 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9964 (remap_split_bivs): Likewise.
9966 2001-01-01 Michael Hayes <mhayes@redhat.com>
9968 * loop.c (loop_ivs_free): New function.
9969 (strength_reduce): Break out from...
9971 2001-01-01 Michael Hayes <mhayes@redhat.com>
9973 * loop.h (struct iv): New.
9974 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9975 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9976 'reg_biv_class' fields with 'regs' and 'n_regs'.
9977 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9978 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9979 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9981 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9983 * resource.c (mark_referenced_resources): Abort() before
9984 attempting to mark a pseudo register.
9985 (mark_set_resources): Likewise.
9987 2001-01-01 Michael Hayes <mhayes@redhat.com>
9989 * loop.h (REG_IV_CLASS): New accessor macro.
9990 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9991 * unroll.c (REG_IV_CLASS): Likewise.
9993 See ChangeLog.4 for earlier changes.