1 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3 * c-common.c (finish_label_expr): New function, lifted from
5 * c-common.h (finish_label_expr, lookup_label): New prototypes.
6 * c-parse.in: Move 3 blocks of parser code into new functions.
7 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
8 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
9 (lookup_label): Remove.
11 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
13 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
14 FLOAT_BIT_ORDER_MISMATCH.
16 2001-05-10 David Edelsohn <edelsohn@gnu.org>
18 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
19 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
21 2001-05-10 David Edelsohn <edelsohn@gnu.org>
23 * expr.c (emit_group_load): extract_bit_field requires a REG or
26 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
28 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
29 a computed jump into an unconditional jump.
30 In second hunk of code for collapsing computed and conditional jumps
31 into unconditional jumps, reemit the jump in additional cases.
33 * jump.c (jump_optimize_1): Do not wrap the new jump target
34 inside a LABEL_REF; gen_jump will do that automatically.
36 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
38 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
39 contents for a SYMBOL_REF in case of floating point constants.
41 2001-05-10 DJ Delorie <dj@redhat.com>
43 * c-common.c (combine_strings): Widen strings in a
44 host-endian-independent way.
46 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
48 * c-parse.in: Remove many shift/reduce conflicts. Update
50 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
51 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
52 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
53 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
54 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
55 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
56 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
57 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
58 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
59 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
60 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
61 typespec_reserved_nonattr, typespec_reserved_attr,
62 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
63 structsp_nonattr, components_notype, component_notype_declarator,
64 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
65 firstparm, setspecs_fp): New
66 (typed_declspecs, reserved_declspecs, typed_typespecs,
67 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
68 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
69 declmods_no_prefix_attr, nonempty_type_quals, structsp,
70 type_quals): Remove. Users updated.
71 (initdecls, notype_initdecls, after_type_declarator,
72 parm_declarator, notype_declarator, absdcl1, components, ivars):
73 Don't allow attributes at the start of a declarator; include them
74 in the production containing the declarator instead. Always
75 require type specifiers before trying to redeclare a typedef name.
76 (typename): Allow for attributes but warn that they are ignored.
77 (parmlist, firstparm, setspecs_fp): Include attributes in
78 parmlist; suck them off the parser stack in firstparm using
81 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
83 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
84 to determine if a block has an unconditional jump at its end.
86 * jump.c (jump_optimize_1): When converting a conditional jump
87 to an unconditional jump, build the jump using gen_jump instead
88 of just modify operands in-place.
90 2001-05-09 Zack Weinberg <zackw@stanford.edu>
92 * cppinit.c (cpp_post_options): Shut off macro expansion if
94 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
95 IN_I directives only if the # is in column 1 and the directive
96 name begins in column 2.
97 * cppmain.c (scan_buffer): Insert a space between # and an
98 identifier, when that identifier is a directive name.
100 * tradcpp.c (struct file_buf): Add a pointer to the next entry
101 in the header search path.
102 (enum node_type): Add T_INCLUDE_NEXT.
103 (directive_table): Add entry for include_next.
104 (do_include_next): New function.
105 (process_include): New routine, broken out of do_include.
106 (finclude): Insert 'nhd' argument, to be copied into
107 next_header_dir of the new buffer.
108 (main): Adjust to match.
109 * gsyslimits.h, limity.h: Un-indent #include_next.
111 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
113 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
114 inclusion as a chapter of the GCC manual.
115 * gcc.texi: Include objc.texi.
116 * fdl.texi: Use @unnumberedsec for the addendum.
117 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
119 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
121 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
123 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
125 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
126 handling of two-address insns.
128 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
130 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
131 ../binutils/nm-new instead of ../binutils/nm.
133 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
135 * i386.md (movdi splitter): Fix the splitting condition
136 (float_extenddftf splitter): Fix mode.
138 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
140 * genrecog.c (write_switch): Avoid outputting of switch for
141 types wider than int.
143 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
145 * reload1.c (copy_eh_notes): New function.
146 (emit_input_reload_insns): Call it.
147 (emit_output_reload_insns): Call it.
149 2001-05-07 Zack Weinberg <zackw@stanford.edu>
151 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
153 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
154 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
156 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
158 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
160 * pa.md (interspace_jump): Revise comment.
161 (builtin_longjmp): Block initial setup insns from delay slot of
163 (builtin_setjmp_receiver): New expander to save and restore PIC
166 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
168 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
170 * toplev.c (compile_file): Set up the output file before we call
171 the various initializers for the compiler.
173 * except.c (sjlj_mark_call_sites): Do not search for assignments to
174 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
176 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
177 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
179 2001-05-06 Zack Weinberg <zackw@stanford.edu>
181 * Makefile.in (tradcpp0): Correct typo in dependency list.
183 2001-05-06 Geoff Keating <geoffk@redhat.com>
185 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
186 the link register if we're not going to use it.
188 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
189 (output_function_profiler): Likewise.
191 2001-05-07 Alan Modra <amodra@one.net.au>
193 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
195 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
197 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
198 zero-extend it. Make abs_inc unsigned.
200 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
201 widest mode in narrowing and widening operations.
203 * config/mips/mips.md: Sign extend CONST_INTs.
205 2001-05-06 Andreas Jaeger <aj@suse.de>
207 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
208 (i386 Options): Document -momit-leaf-frame-pointer.
210 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
212 * c-typeck.c (internal_build_compound_expr): Check for
213 array to pointer conversion just once.
215 2001-05-05 Richard Henderson <rth@redhat.com>
217 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
219 2001-05-05 Richard Henderson <rth@redhat.com>
221 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
222 to the parent of the fixup region.
224 2001-05-05 Jakub Jelinek <jakub@redhat.com>
226 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
228 * cpp.texi (__NO_INLINE): Document it.
230 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
232 * cppfiles.c (struct include_file): New member err_no.
233 (find_or_create_entry): Set it.
234 (open_file): Don't set fds to -2. Instead, use err_no to
235 remember previous errors, if any.
237 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
239 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
240 between X and Y by using sequences of xgdx and xgdy.
242 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
244 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
245 of '!' for the 'D' alternative ('!' is too strong).
246 ("*logicalsi3_silshl16"): Likewise.
247 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
248 ("movstrictsi"): Remove spurious '+'.
249 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
250 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
251 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
254 2001-05-04 David Edelsohn <edelsohn@gnu.org>
256 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
258 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
260 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
263 2000-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
265 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
268 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
270 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
271 soft register, use ror instead of rol.
273 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
275 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
276 into account pre/post increment decrement for 68HC12.
277 Fix other problems in replacement and fix call to reg_mentioned_p.
279 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
281 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
282 Put the soft registers in bss for 68HC12.
283 (L_regs_d3_4): New for _.d3 and _.d4.
284 (L_regs_d5_6): Likewise.
285 (L_regs_d1_2): Likewise.
286 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
288 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
290 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
291 to the pre-processor when -fshort-double is specified.
292 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
294 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
296 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
297 (__mulsi3): Rewrite for 68HC12.
298 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
299 Mark 'x' constraint with earlyclobber to prevent a
300 RELOAD_FOR_OTHER_ADDRESS to go in it.
301 (mulhi3_m68hc12): New pattern.
302 (mulhi3_m68hc11): Rename of mulhi3.
303 (mulhi3): New expand for 68HC12 optimisation.
304 (umulhisi3, mulhisi3): New patterns for 68HC12.
306 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
308 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
309 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
310 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
312 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
314 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
315 constants cheap after reload.
316 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
318 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
319 so that gcc prefers a shift by 16.
320 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
322 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
324 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
326 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
328 * alpha.h: NULL_PTR -> NULL.
338 * m68hc11.h: Likewise.
339 * rs6000.h: Likewise.
350 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
352 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
353 `bool' parameter to `int'.
355 * hash.c (hash_lookup): Likewise.
357 * hash.h (hash_lookup): Likewise.
359 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
361 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
363 * i386.c (x86_initialize_trampoline): Fix mode of constant.
365 2001-05-03 Geoff Keating <geoffk@redhat.com>
367 * invoke.texi (i386 Options): Delete references to -malign-jumps,
368 -malign-loops, -malign-functions.
369 * i386.c (ix86_align_funcs): Delete.
370 (ix86_align_loops): Delete.
371 (ix86_align_jumps): Delete.
372 (override_options): Mark -malign-* as obsolete. Emulate their
373 behaviour with the -falign-* options. Default -falign-* from
375 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
376 patch of Wed May 2 13:09:36 2001.
377 (LOOP_ALIGN): Delete.
378 (LOOP_ALIGN_MAX_SKIP): Delete.
379 (LABEL_ALIGN_AFTER_BARRIER): Delete.
380 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
382 2001-05-04 Andreas Jaeger <aj@suse.de>
384 * except.h: Add prototype declaration for
385 expand_builtin_init_dwarf_reg_sizes.
387 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
389 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
391 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
393 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
395 ("bitcmpqi2"): New pattern for bit-extract and test.
396 ("bitcmphi"): New pattern for bitb/bita instructions.
398 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
400 * gccbug.in: Use a temporary directory when the mktemp command is
403 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
405 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
407 (INITIALIZE_TRAMPOLINE): Call it.
408 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
409 (TRAMPOLINE_TEMPLATE): Remove.
410 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
411 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
414 2001-05-03 David O'Brien <obrien@FreeBSD.org>
416 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
417 and crtendS.o with PIC.
419 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
421 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
423 (___subdi3, ___adddi3): Use x instead of y as index register.
424 (__init_bss_section, __map_data_section): Optimize for 68HC12.
425 (__memset, __memcpy): Likewise.
426 (regs): Put the soft registers in bss for 68HC12.
427 (abort): Use trap to abort for 68hc12.
428 (__mulhi3, __mulhi32): Use emul for 68hc12.
429 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
431 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
433 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
434 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
435 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
436 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
437 Set 68HC12 min offset to -65536.
438 (print_operand): Put parenthesis arround the operand if it refers
439 to a symbol having the same name as a register.
440 (m68hc11_z_replacement): When z register is replaced by its
441 equivalent soft register, force the insn to be re-recognized.
442 (m68hc11_check_z_replacement): Fix the test when destination is
443 the index register and z dies in the insn.
444 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
446 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
448 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
449 costs according to processor variant.
450 (m68hc11_shift_cost): New function to compute shift costs.
451 (m68hc11_rtx_costs): Define costs according to processor variant.
452 (m6811_cost): Costs for 68HC11.
453 (m6812_cost): Costs for 68HC12.
454 (COSTS_N_INSNS): Remove.
456 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
457 (DEFAULT_RTX_COSTS): Remove.
458 (CONST_COSTS): Define costs according to OUTER_CODE.
459 (processor_costs): New struct to define costs.
460 (m68hc11_cost): Pointer to current costs.
462 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
464 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
465 and use m68hc11_notice_keep_cc when using leax/leay.
466 (addhi3 split): Reject split if the insn is handled by
468 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
469 push must be handled in a special way if the source operand uses
470 sp as index register.
471 (m68hc11_notice_keep_cc): New function.
472 (m68hc11_gen_movhi): Use it when an insn changes a register but
474 (m68hc11_gen_movqi): Fix move for 68HC12.
475 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
477 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
479 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
480 and don't pass operands[0] to emit_library_call_value.
482 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
484 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
485 (zero_extendsi split): Simplify and use (zero_extendhi).
486 (*addhi3): Remove 'w' constraint since stack pointer is handled
488 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
489 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
490 (*ashrhi3_const): Fix shift by 7.
491 (*lshrsi3_const16): Fix template.
492 (call, call_value): Fix constraint and predicate.
494 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
496 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
497 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
498 (CC_REGNUM): Likewise.
499 (*unnamed splits): Use above constants instead of hard coded numbers.
500 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
501 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
502 (*return_16bit, *unnamed peepholes): Likewise.
504 2001-05-03 David O'Brien <obrien@FreeBSD.org>
506 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
507 rs6000/rs6000.h twice.
509 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
511 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
512 (CPP_SPEC): Conditionally define MSDOS and GO32.
513 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
514 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
516 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
518 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
520 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
522 2001-05-03 Mark Mitchell <mark@codesourcery.com>
524 * integrate.h (struct inline_remap): Add leaf_reg_map table.
525 * integrate.c (expand_inline_function): Use xcalloc to allocate
527 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
530 2001-05-03 Mark Mitchell <mark@codesourcery.com>
532 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
535 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
537 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
538 linker if -mrelax is given.
539 (TARGET_SWITCHES): Document -mrelax.
541 Re-installed 2001-01-09's patch:
542 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
543 if it's wider than long and the target's long is wider than the
546 2001-05-02 David O'Brien <obrien@FreeBSD.org>
548 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
549 directly include rs6000/rs6000.h. Instead do it in tm.h.
551 2001-05-02 Stan Shebs <shebs@apple.com>
553 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
554 NSConstantString for NeXT-style runtimes.
555 (STRING_OBJECT_GLOBAL_NAME): New macro.
556 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
557 OCTI_STRING_CLASS_DECL.
558 (constant_string_global_id): New macro.
559 (string_class_decl): Ditto.
560 (setup_string_decl): New function.
561 (build_objc_string_object): Use it to build a NeXT runtime
562 compatible string initializer.
564 2001-05-02 Jakub Jelinek <jakub@redhat.com>
566 * tradcpp.c (do_define): Make sure we don't walk past limit.
568 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
570 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
571 offsets if not REG_OK_STRICT.
573 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
574 (INT_REG_OK_FOR_INDEX_P): Likewise.
575 (INT_REG_OK_FOR_BASE_P): Likewise.
576 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
577 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
578 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
579 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
580 REG_OK_FOR_BASE_P. Take an additional parameter.
581 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
582 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
583 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
584 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
585 rs6000_legitimate_address() and use it.
586 * config/rs6000/rs6000.c: Update all callers.
587 (rs6000_legitimate_address): New function.
589 2001-05-02 David Edelsohn <edelsohn@gnu.org>
591 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
592 special_constant conditional blocks together.
594 2001-05-02 Dale Johannesen <dalej@apple.com>
596 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
598 (STRICT_ARGUMENT_NAMING): Define.
599 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
600 function_arg_partial_nregs, setup_incoming_varargs): Remove
601 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
604 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
606 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
608 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
611 * expr.c (store_field): Do nothing except elaborate side-effects if
614 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
616 * c-lex.c: NULL_PTR -> NULL.
618 * emit-rtl.c: Likewise.
620 * genpeep.c: Likewise.
622 * mips-tdump.c: Likewise.
623 * reload1.c: Likewise.
624 * rtlanal.c: Likewise.
626 * stor-layout.c: Likewise.
627 * toplev.c: Likewise.
629 2001-05-01 Per Bothner <per@bothner.com>
631 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
632 call do_pending_stack_adjust before emiting label.
634 2001-05-01 Mark Mitchell <mark@codesourcery.com>
636 * extend.texi: Fix typo.
638 2001-05-01 Stan Shebs <shebs@apple.com>
640 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
641 of UOBJC_MODULES_decl.
642 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
643 (generate_descriptor_table): Ditto.
644 (generate_protocols): Ditto.
645 (generate_protocol_list): Ditto.
646 (generate_classref_translation_entry): Ditto.
648 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
650 * invoke.texi (Optimize Options): Add documentation for `--param
651 max-delay-slot-insn-search' and `--param
652 max-delay-slot-live-search' and reorder --param section.
653 * params.def: Modify initial comment.
654 * params.h (param_info): Add `help' member.
655 * toplev.c (lang_independent_params): Include `help' description.
656 (display_help): Print --param parameters.
658 2001-05-01 Zack Weinberg <zackw@stanford.edu>
660 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
661 Remove references to deleted files.
662 (*-*-openbsd): No need to override xmake_file.
663 (*-*-sysv4): Treat like *-*-sysv.
665 * configure.in: Probe for ldopen in various places, and set up
666 collect2 to be linked with them if found.
667 Don't dink with Windows registry stuff unless $host_os is a
668 Win32 os name. Check to see if we need -ladvapi32.
669 * configure: Regenerate.
671 * Makefile: Get rid of CLIB and HOST_CLIB.
672 Substitute in COLLECT2_LIBS and link collect2 against its contents.
673 * build-make: Get rid of HOST_CLIB.
675 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
676 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
677 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
678 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
679 config/rs6000/x-rs6000: Delete.
681 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
684 24 x-host fragments remain, 0 x-cpu, 3 top level.
686 2001-05-01 Zack Weinberg <zackw@stanford.edu>
688 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
689 * configure: Regenerate.
691 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
693 * Makefile.in (install-headers): Remove redundant dependency.
695 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
697 * c-tree.texi (USING_STMT): Document.
699 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
701 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
702 * c-common.c: Likewise.
703 * c-decl.c: Likewise.
704 * combine.c: Likewise.
705 * rs6000.c: Likewise.
706 * except.c: Likewise.
707 * explow.c: Likewise.
709 * fold-const.c: Likewise.
710 * function.c: Likewise.
713 * integrate.c: Likewise.
715 * objc/objc-act.c: Likewise.
717 * reg-stack.c: Likewise.
718 * reload.c: Likewise.
719 * reload1.c: Likewise.
720 * simplify-rtx.c: Likewise.
722 * varasm.c: Likewise.
724 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
726 * diagnostic.def: New file.
727 * diagnostic.h (diagnostic_t): New enum.
728 * Makefile.in (diagnostic.o): Depend on diagnostic.def
730 2001-04-30 Zack Weinberg <zackw@stanford.edu>
732 * tsystem.h: Test only POSIX for availability of string.h
734 * config.gcc (all systems): If USG appeared in xm_defines,
735 change it to POSIX. If both USG and POSIX appeared, just
736 delete USG. Remove unnecessary quotes around xm_defines
738 (m68k-crds-unos*): Don't #define unos - tested nowhere.
739 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
740 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
741 powerpc-*-linux*): No need to set xm_defines - handled by
742 global settings for *-*-linux*.
744 2001-04-30 Zack Weinberg <zackw@stanford.edu>
746 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
747 Always include gstab.h, not system stab.h. Don't provide
748 default definitions of N_CATCH or N_OPT. Always use the
749 gstab.h variant of STAB_CODE_TYPE.
750 * final.c: Don't include stab.h/gstab.h at all, or provide
751 defaults for N_SLINE and N_SOL.
753 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
754 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
756 * sdbout.c: Always include gsyms.h instead of system syms.h.
758 * configure.in: No need to check for stab.h.
759 * configure, config.in: Regenerate.
760 * Makefile.in (final.o): Don't depend on gstab.h.
762 2001-04-30 Mark Mitchell <mark@codesourcery.com>
763 Richard Henderson <rth@redhat.com>
765 * extend.texi: Improve documentation of volatile asms.
767 2001-04-30 Mark Mitchell <mark@codesourcery.com>
769 * c-tree.texi: Fix thinko.
770 * gcc.texi: Likewise.
772 2001-04-30 Richard Henderson <rth@redhat.com>
774 * c-common.c (c_promoting_integer_type_p): New function, from the
775 corpse of old macro. Properly promote too-small enumerations and
776 booleans. Adjust all callers.
777 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
778 (c_promoting_integer_type_p): Declare.
779 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
780 * c-typeck.c: Likewise.
781 (default_conversion): Remove now redundant boolean check.
783 2001-04-30 Jan Hubicka <jh@suse.cz>
784 Richard Henderson <rth@redhat.com>
786 * regmove.c (try_apply_stack_adjustment): Remove now redundant
788 (combine_stack_adjustments_for_block): Don't combine stack
789 allocation followed by deallocations. Handle grow-up stacks.
791 2001-04-30 Mark Mitchell <mark@codesourcery.com>
793 * fdl.texi: New file.
794 * c-tree.texi: Use the GFDL.
795 * gcc.texi: Likewise.
797 2001-04-30 Stan Shebs <shebs@apple.com>
799 * invoke.texi: Add a section documenting Objective-C options.
801 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
803 * emit-rtl.c (try_split): Copy EH notes to sequence.
805 2001-04-30 Mark Mitchell <mark@codesourcery.com>
807 * regmove.c (record_stack_memrefs): Catch all references to the
810 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
812 * Makefile.in(stmp-fixinc): quote shell assignment values
814 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
816 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
820 * prefix.c: Likewise.
822 2001-04-28 Stan Shebs <shebs@apple.com>
824 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
825 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
826 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
827 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
829 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
830 (NEXT_OBJC_RUNTIME): Define.
832 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
834 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
835 * simplify-rtx.c (simplify_gen_relational): Likewise.
837 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
839 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
840 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
842 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
843 registers in SSE case; fix handling of the immediates.
844 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
845 operands to be in regsiters before reload.
846 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
847 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
848 (abstf,absxf,negtf,negxf splitters): Compute
849 properly the regnum for x86_64.
850 (avsdf2_if_rex64): New.
852 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
854 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
855 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
856 into the constant pool.
857 * jump.c (jump_optimize_1): Remove barrier successors after all
858 the LABEL_NUSES counds have been computed.
859 (delete_barrier_successors): When deleting a tablejump insn, also
860 delete the jump table it uses.
861 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
864 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
866 * pa.c (FRP): Remove erroneous white space in macro definition.
868 2001-04-28 Andreas Jaeger <aj@suse.de>
870 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
872 * extend.texi: Likewise.
875 2001-04-28 Andreas Jaeger <aj@suse.de>
877 * md.texi: Use XX-bit instead of XXbit or XX bit where
880 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
882 * gcc.c (process_command): Allow -l lib in addition to -llib
883 for POSIX compliance. This fixes PR c/2347.
885 * invoke.texi: Update section on Link Options accordingly.
887 2001-04-27 Zack Weinberg <zackw@stanford.edu>
889 * function.c (purge_addressof_1): Remove the duplicate
890 if (code == SET) block. Fold the two if (code == ADDRESSOF)
893 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
895 * except.c (expand_eh_region_start): Don't start a new block.
896 (expand_eh_region_end): Don't end a block.
897 * stmt.c (expand_end_bindings): Don't end EH blocks.
898 (expand_decl_cleanup): Starting an EH region won't change the block.
899 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
900 (is_eh_region): Lose.
903 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
905 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
907 * collect2.c (main): Add `-L' case to remove duplicate entries.
908 (is_in_args): New function to check for a duplicate argument.
909 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
910 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
911 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
912 Define to be nonzero.
914 2001-04-27 Andreas Jaeger <aj@suse.de>
915 Richard Henderson <rth@redhat.com>
917 * md.texi (Machine Constraints): Document additional i386
918 constraints and fix description of "A".
920 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
922 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
924 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
926 * except.c (get_exception_filter): word_mode, not Pmode.
928 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
930 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
931 common to other movsf patterns. Move up so that in future
932 people who change the other patterns will change it too.
933 (movsf_lo_sum): Allow even for soft-float; add appropriate
935 (movsf_high): Likewise.
936 (movsf_high+1): Allow even for soft-float.
938 * function.c (expand_function_end): Always clobber the
939 return registers, even if there is no return label.
941 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
943 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
945 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
947 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
948 (pushqi2_rex64, pushhi2_rex64): Add.
950 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
952 * except.c (expand_eh_region_end_cleanup): Force pending stack
953 adjust before emitting label that branches around cleanup code.
955 2001-04-26 H.J. Lu (hjl@gnu.org)
957 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
959 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
961 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
962 (ASM_OUTPUT_SECTION_NAME): Likewise.
963 (ASM_WEAKEN_LABEL): Likewise.
964 (UNIQUE_SECTION): Likewise.
965 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
966 (ASM_OUTPUT_DESTRUCTOR): Likewise.
967 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
968 (ASM_OUTPUT_SECTION_NAME): Likewise.
969 (ASM_WEAKEN_LABEL): Likewise.
970 (UNIQUE_SECTION): Likewise.
971 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
972 (ASM_OUTPUT_DESTRUCTOR): Likewise.
973 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
974 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
975 (ASM_FILE_START): Likewise.
976 (ASM_OUTPUT_SOURCE_LINE): Likewise.
977 (ASM_DECLARE_OBJECT_NAME): Likewise.
978 (ASM_FILE_END): Likewise.
979 (ASM_DECLARE_FUNCTION_NAME): Likewise.
980 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
981 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
982 (ASM_OUTPUT_CASE_LABEL): Likewise.
983 (ASM_OUTPUT_SKIP): Likewise.
984 (ASM_OUTPUT_ASCII): Likewise.
985 (ASM_OUTPUT_IDENT): Likewise.
986 (READONLY_DATA_SECTION): Likewise.
987 (EXTRA_SECTIONS): Likewise.
988 (EXTRA_SECTION_FUNCTIONS): Likewise.
989 (SELECT_RTX_SECTION): Likewise.
990 (SELECT_SECTION): Likewise.
992 * config/mips/linux.h (INVOKE__main): Undefine.
993 (CTOR_LIST_BEGIN): Likewise.
994 (CTOR_LIST_END): Likewise.
995 (DTOR_LIST_BEGIN): Likewise.
996 (DTOR_LIST_END): Likewise.
997 (SET_ASM_OP): Defined it to ".dummy".
998 (ASM_OUTPUT_DEF): Defined.
999 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1001 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1003 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1004 assembler supports .p2align.
1006 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1008 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1010 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1012 * integrate.c (expand_inline_function): Check for error_mark_node
1015 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1017 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1020 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1022 * configure.in (configargs.h): Define thread_model.
1023 * configure: Rebuilt.
1024 * gcc.c (main): Print it with -v.
1026 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1028 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1029 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1030 * gcc.1: Regenerate.
1032 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1034 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1035 is_redundant_typedef): Use static inline instead of inline static.
1037 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1039 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1040 this directory is always searched.
1042 2001-04-25 Richard Henderson <rth@redhat.com>
1044 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1045 of registers to restore along non eh_return path.
1047 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1049 * c-format.c (check_format_info_recurse): Handle
1050 PLUS_EXPR for format string.
1052 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1054 * config/ia64/ia64.h (CC1_SPEC): Define.
1055 * config/ia64/linux.h (CC1_SPEC): Define.
1057 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1059 * emit-rtl.c (constant_subword): Also do sign extension in
1060 BITS_PER_WORD == 16 case.
1062 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1064 * loop.c (try_swap_copy_prop): Go back to checking insn.
1066 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1068 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1069 if check_mode is non-zero.
1071 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1073 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1074 out and comparison sequence has been detected, put result into
1075 proper temporary pseudo.
1077 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1079 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1080 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1081 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1082 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1083 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1084 for future reference.
1086 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1088 * except.c (reachable_handlers): Step out one level from a RESX.
1090 * except.c (struct eh_region): Rename 'last' to 'resume'.
1091 (mark_eh_region, duplicate_eh_region_1): Adjust.
1092 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1093 (build_post_landing_pads): Likewise.
1094 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1095 (expand_eh_region_end_must_not_throw): Likewise.
1096 (connect_post_landing_pads): Thread (only) regions with non-deleted
1099 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1100 registers around the cleanup.
1101 (get_exception_filter): New fn.
1102 (finish_eh_generation): Use it.
1104 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1106 * c-semantics.c (add_scope_stmt): Don't call
1107 current_scope_stmt_stack multiple times.
1109 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1110 Nathan Sidwell <nathan@codesourcery.com>
1112 Lazy __FUNCTION__ generation.
1113 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1114 RID_C99_FUNCTION_NAME): New _RIDs.
1115 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1116 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1117 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1119 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1120 (c99_function_name_decl_node, function_name_decl_node,
1121 pretty_function_name_decl_node, saved_function_name_decls):
1123 (struct language_function): Remove x_function_name_declared_p.
1124 (make_fname_decl): Remove a parameter.
1125 (declare_function_names): Remove prototype.
1126 (start_fname_decls, finish_fname_decls): Prototype.
1127 (fname_as_string): Likewise.
1128 (fname_string, fname_decl): Likewise.
1129 * c-common.c (make_fname_decl): Adjust.
1130 (struct fname_var_t): New struct.
1131 (fname_vars): New static array.
1132 (declare_function_name): Remove.
1133 (start_fname_decls, finish_fname_decls): New functions.
1134 (fname_as_string): New function from remnants of
1135 declare_function_name.
1136 (fname_string, fname_decl): New functions.
1138 * c-decl.c (c_function_name_declared_p): Remove.
1139 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1140 don't call declare_function_name. Call start_fname_decls.
1141 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1142 clobber the line number. Call finish_decl.
1143 (start_function): Call start_fname_decls.
1144 (finish_function): Call finish_fname_decls.
1145 Remove c_function_name_declared_p.
1146 (push_c_function_context): Don't push c_function_name_declared_p.
1147 (pop_c_function_context): Don't pop c_function_name_declared_p.
1148 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1149 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1150 (program): Call finish_fname_decls for C.
1151 (primary): Add VAR_FUNC_NAME.
1152 (reswords): Add slots for __FUNCTION__ et al.
1153 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1154 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1155 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1156 * c-semantics.c (prune_unused_decls): Remove.
1157 (finish_stmt_tree): Don't call prune_unused_decls.
1158 (genrtl_decl_stmt): Don't prune unused decls here.
1160 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1162 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1163 constant pool, use the pool's SYMBOL_REF instead.
1165 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1168 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1170 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1171 passing nested NOP_EXPRs to fold.
1173 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1175 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1177 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1179 * loop.c (loop_delete_insns): Add prototype.
1181 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1183 * configure.in: Remove ENABLE_STD_NAMESPACE.
1184 * config.in: Regenerated.
1185 * configure: Regenerated.
1187 2001-04-22 Stan Shebs <shebs@apple.com>
1189 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1191 * config/rs6000/xm-darwin.h: Remove file.
1193 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1195 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1196 (write_c_file_stat): Likewise.
1198 * dbxout.c (dbxout_init): Likewise.
1200 * profile.c (output_func_start_profiler): Likewise.
1202 2001-04-22 Philipp Thomas <pthomas@suse.de>
1204 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1205 require it instead of the CVS version.
1206 * cpperror.c (v_message): Put a blank before the macro
1207 body to not confuse exgettext.
1209 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1211 * flow.c (proagate_one_insn): Remove useless assignment.
1212 * jump.c (delete_insn): Tidy.
1213 * loop.c (try_copy_prop): When deleting an instruction with a
1214 REG_RETVAL note, delete the entire libcall sequence.
1215 (loop_delete_insns): New function.
1216 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1217 we're not substituting into them yet.
1219 2001-04-21 Kazu Hirata <kazu@hxi.com>
1221 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1223 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1225 * config/i960/i960.c (signed_arith_operand): Likewise.
1227 * calls.c (expand_call): Fix a comment typo.
1229 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1231 * configure.in: Probe for times, clock, struct tms, and clock_t.
1232 * configure, config.in: Regenerate.
1233 * timevar.c: Replace ifdef forest in get_time with (relatively)
1234 straightforward series of checks based on autoconf's probes.
1236 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1238 * config/pa/som.h (NM_FLAGS): Define.
1240 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1242 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1244 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1245 * ia64.c (nop_cycles_until): New function.
1246 (prev_cycle, prev_first, last_issued): New static variables.
1247 (ia64_sched_reorder): Additional arg for clock.
1248 On final scheduling pass, emit extra NOPs as needed.
1249 Set prev_first and prev_cycle.
1250 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1251 (ia64_variable_issue): Set last_issued.
1253 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1255 * config/i386/i386.c (ix86_expand_int_movcc,
1256 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1258 2001-04-20 Geoff Keating <geoffk@redhat.com>
1260 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1261 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1262 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1263 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1264 ctrdi_internal6): In the short-branch case, this insn is only 4
1265 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1267 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1269 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1270 "=u" is used together with "st" resp. "st(1)" clobber.
1272 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1274 * gcse.c (gcse_main): Fix comment typo.
1275 (delete_null_pointer_check): Likewise.
1276 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1277 * cse.c (cse_insn): Likewise.
1278 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1281 2001-04-19 Zack Weinberg <zackw@stanford.edu>
1283 * toplev.c: Excise all code for the undocumented -dm option.
1284 (float_signal): Call signal just once, unconditionally.
1286 2001-04-19 Geoff Keating <geoffk@redhat.com>
1288 * fold-const.c (fold): Use first_rtl_op rather than
1289 TREE_CODE_LENGTH when looping over parameters of a tree.
1290 Correct strange grouping in test for evaluated SAVE_EXPR.
1292 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1294 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1295 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1297 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1298 name at 32 total characters.
1299 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1300 functions in named sections -- data items can still go into unique
1301 sections, but they have normal names (ie $LIT$ and $DATA$).
1303 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1306 2001-04-19 DJ Delorie <dj@redhat.com>
1308 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1309 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1310 * config/i386/cygwin.h: Likewise.
1311 * config/i386/mingw32.h: Likewise.
1312 * config/vax/vms.h: Likewise.
1313 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1315 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1316 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1317 * config/i386/xm-cygwin.h: Likewise.
1318 * config/i386/xm-djgpp.h: Likewise.
1319 * config/i386/xm-mingw32.h: Likewise.
1320 * config/vax/xm-vms.h: Likewise.
1322 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1323 instead of OBJECT_SUFFIX.
1324 * collect2.c (find_a_file): Look for files matching the extension
1325 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1326 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1327 TARGET_EXECUTABLE_SUFFIX.
1328 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1329 (make_relative_prefix): Likewise.
1330 (convert_filename): Use TARGET_ suffixes throughout. Remove
1332 (process_command): Likewise.
1333 (do_spec_1): Likewise.
1334 * java/lang.c (init_parse): Likewise.
1336 * gcc.texi : Document four new options matching the pattern
1337 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1338 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1339 documentation for NO_AUTO_EXE_SUFFIX.
1341 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1343 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1344 that language-independent processing should not be done.
1345 * toplev.c (main): Adjust accordingly.
1347 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1348 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1350 * mips.md (reload_outputdi): Require that operand0 be a
1353 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1355 * invoke.texi (-Wshadow): Clarify.
1357 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1359 * loop.c (load_mems): Examine all the instructions in the loop
1360 before concluding that all jumps branch to the first instruction
1363 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1365 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1367 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1369 * cpp.texi (-Wwhite-space): Remove.
1370 (-Wall): -Wall does not imply -Wwhite-space.
1372 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1374 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1375 use it instead of blindly generating a .stabs.
1376 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1378 * xcoffout.c: Don't bother defining default for N_CATCH.
1379 (UNKNOWN_STAB): Use internal_error.
1380 (stab_to_sclass): Remove now-unnecessary aborts.
1381 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1383 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1385 * jump.c (mark_all_labels): Canonicalize the tail recursion
1386 label attached to CALL_PLACEHOLDER insns.
1388 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1390 * output.h (dump_flow_info, free_basic_block_vars,
1391 which_alternative): Delete redundant prototypes.
1393 * rtl.h (bss_section): Likewise.
1395 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1397 * dbxout.c (N_OPT): Define if not available from <stab.h>
1399 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1401 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1402 libraries and native K&R compilers.
1404 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1406 * c-typeck.c (convert_arguments): Don't check for width changes
1409 * invoke.texi (-Wtraditional): Update documentation.
1411 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1413 * toplev.c (output_lang_identify): Delete.
1414 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1415 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1416 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1417 after calling ASM_FILE_END.
1419 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1420 Instead, unconditionally emit an N_OPT stab with string equal
1421 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1423 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1425 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1426 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1427 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1428 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1429 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1430 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1431 config/i370/i370.h, config/i386/beos-elf.h,
1432 config/i386/osf1elf.h, config/i386/osfrose.h,
1433 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1434 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1435 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1436 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1437 config/mips/iris6.h, config/mips/osfrose.h,
1438 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1439 config/sparc/sp64-elf.h:
1440 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1441 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1443 * config/elfos.h, config/freebsd.h, config/linux.h,
1444 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1445 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1446 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1447 of ASM_FILE_START which merely emit a .version directive. Delete
1448 definitions of ASM_FILE_END which merely emit an .ident directive.
1450 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1451 ASM_IDENTIFY_GCC and move part of its logic into
1454 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1455 config/sparc/linux-aout.h: Don't emit .version directive in
1458 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1459 (output_file_start): Correct comment.
1461 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1462 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1464 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1465 * config/rs6000/aix.h: Correct comment.
1467 * config/i386/i386afe.h: Delete.
1468 * config.gcc: Remove references to i386afe.h.
1470 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1471 other macros deleted by this patch were undocumented.
1473 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1475 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1477 * pa.c (secondary_reload_class): SAR<->FP copies require a
1480 * install.texi (mips-mips-bsd): Update list of functions
1481 required to include memmove.
1482 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1483 used functions to include memmove.
1485 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1487 * i386.md (sqrtdf2): SFmode should be DFmode.
1489 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1491 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1492 (find_moveable_store): Likewise.
1494 2001-04-15 Jim Wilson <wilson@redhat.com>
1496 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1498 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1500 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1501 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1503 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1505 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1508 2001-04-14 Alan Modra <amodra@one.net.au>
1510 * pa.c (force_mode): New function.
1511 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1513 2001-04-13 Jim Wilson <wilson@redhat.com>
1515 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1516 (first_instruction): New static variable.
1517 (rtx_needs_barrier): Return 1 for alloc.
1518 (init_insn_group_barriers): Set first_instruction.
1519 (rws_sum): Delete duplicate definition.
1520 (group_barrier_needed_p): Return 0 when first_instruction true.
1521 (safe_group_barrier_needed_p): Save and restore first_instruction
1522 around group_barrier_needed_p call.
1524 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1526 * expr.h (enum libfunc_index): Add LTI_memmove.
1527 (memmove_libfunc): Define macro.
1528 * optabs.c (init_optabs): Initialize memmove_libfunc.
1529 * expr.c (expand_assignment): Use memmove_libfunc instead of
1532 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1534 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1537 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1539 * Makefile.in (reg-stack.o): Depend on reload.h.
1540 (insn-attrtab.o): Depend on flags.h.
1542 * genattrtab (main): Include flags.h in insn-attrtab.c.
1544 * reg-stack.c: Include reload.h.
1546 * sparc.h (flag_pic): Delete redundant declaration.
1548 * output.h (flag_pic): Likewise.
1550 * tree.h (pedantic): Likewise.
1552 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1554 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1556 * jump.c, regmove.c, toplev.c: Include reload.h.
1558 * reload.h (reload_cse_regs): Declare.
1560 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1561 reload_cse_regs, init_reload, mark_home_live, reload,
1562 init_caller_save): Delete redundant prototypes.
1564 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1566 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1568 * regclass.c, ssa.c: Include expr.h.
1570 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1571 gen_move_insn): Delete redundant declarations.
1573 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1575 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1576 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1577 MAKEINFO and MAKEINFOFLAGS too.
1578 (stage4_build): Correctly order -B flags.
1580 2001-04-13 Alan Modra <amodra@one.net.au>
1582 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1583 PIC_OFFSET_TABLE_SAVE_RTX.
1584 (zdepi_cint_p): Describe zdepi insn.
1585 Formatting and white space fixes throughout file.
1587 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1588 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1589 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1590 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1591 (output_64bit_and): Use plain `int's for shift counts.
1592 (output_64bit_ior): Likewise.
1593 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1594 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1597 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1598 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1599 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1600 NEW_HP_ASSEMBLER into one. Kill warnings.
1602 * pa-gas.h: Delete file.
1603 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1604 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1605 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1606 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1608 * config/pa/mill32.S: New file.
1609 * config/pa/mill64.S: New file.
1610 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1611 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1612 * config/pa/t-linux64: New file.
1613 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1614 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1615 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1617 * elfos.h (SELECT_SECTION): Undef before defining.
1618 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1619 (LIB_SPEC): Remove -lmilli.
1620 (DBX_REGISTER_NUMBER): Remove.
1621 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1622 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1623 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1624 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1625 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1626 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1627 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1628 TARGET_GAS): Define.
1629 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1630 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1631 regs if we don't have a prototype.
1632 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1633 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1634 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1635 EH_RETURN_HANDLER_RTX): Define.
1636 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1637 (DWARF_FRAME_REGNUM): Define.
1638 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1639 * pa32-linux.h: New file.
1640 * pa64-linux.h: New file.
1642 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1643 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1644 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1645 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1646 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1647 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1648 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1649 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1650 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1651 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1652 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1653 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1654 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1655 * pa64-hpux.h: New file.
1656 (ASM_FILE_START): Correct typo.
1657 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1658 * config.gcc: Modify for above.
1660 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1662 * jump.c (jump_optimize_1): Don't delete dead stores here.
1663 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1664 prior to running jump optimize before cse2.
1666 2001-04-12 Richard Henderson <rth@redhat.com>
1668 * Makefile.in (regmove.o): Depend on except.h.
1669 * regmove.c: Include it.
1671 2001-04-12 Stan Shebs <shebs@apple.com>
1673 * objc/objc-act.c: Remove all code ifdefed with the never-used
1674 macro OBJC_INT_SELECTORS.
1675 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1676 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1678 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1680 * config/pa/quadlib.c: Add prototypes.
1682 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1684 * bitmap.h (debug_bitmap): Delete redundant prototype.
1686 * rtl.h (get_frame_size): Likewise.
1688 2001-04-12 Jim Wilson <wilson@redhat.com>
1690 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1691 to just emit an fnorm.
1693 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1695 * c-common.h (truthvalue_conversion, type_for_mode,
1696 type_for_size): Delete redundant declarations.
1698 * c-lex.h (is_class_name): Likewise.
1700 * c-tree.h (pedantic, convert, getdecls, gettags,
1701 global_bindings_p, init_decl_processing, insert_block,
1702 maybe_build_cleanup, poplevel, print_lang_decl,
1703 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1704 set_block, incomplete_type_error, build_function_call,
1705 lvalue_or_else, mark_addressable): Likewise.
1707 * expr.h (expand_tree_builtin): Likewise.
1709 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1711 * invoke.texi: Document --param max-gcse-memory.
1713 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1715 * configure.in (errno): Check for declaration.
1716 * configure, config.in: Regenerated.
1718 * system.h (errno): Only declare if not already done.
1720 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1722 * recog.c (general_operand, immediate_operand,
1723 nonmemory_operand): Require CONST_INTs to be sign-extended
1724 values for their modes.
1726 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1728 * expmed.c (store_bit_field): Truncate CONST_INTs.
1729 (expand_mult_highpart, expand_divmod): Likewise.
1730 * expr.c (convert_modes, store_field): Likewise.
1731 * integrate.c (expand_inline_function): Use promote_mode() to
1732 determine whether to convert_modes() an argument as signed
1734 * optabs.c (expand_binop): Get CONST_INT operands
1735 sign-extended for their appropriate modes.
1736 * stmt.c (emit_case_nodes): Convert node values to the
1738 (expand_end_case): Convert minval and range to the appropriate
1740 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1741 the iteration variable.
1742 * varasm.c (immed_double_const): Don't require words to be
1743 narrower than host wide ints to properly sign-extend
1746 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1748 * sh.md (builtin_setjmp_receiver): New expander.
1750 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1752 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1753 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1754 for generating CONST_INT and CONST_DOUBLE.
1756 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1758 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1759 already sign-extended.
1760 (rs6000_emit_prologue): Make register iterator signed.
1761 (rs6000_emit_epilogue): Likewise.
1762 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1764 (movsf split, movdf split): Sign-extend CONST_INTs.
1765 (movdi splits): Likewise.
1767 2001-04-12 Kelley Cook <kelley.cook@home.com>
1769 * config-lang.in (lang_dirs): Add in zlib.
1771 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1773 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1774 operands that make it to RTL.
1776 2001-04-11 Stan Shebs <shebs@apple.com>
1778 Add Darwin (Mac OS X kernel) native support.
1779 * config.gcc (powerpc-*-darwin*): Add native bits.
1780 * config/darwin.c: New file, generic Darwin support functions.
1781 * config/darwin.h: New file, generic Darwin definitions.
1782 * config/darwin-protos.h: New file, generic Darwin prototypes.
1783 * rs6000/darwin.h: New file, Darwin for PowerPC.
1784 * rs6000/t-darwin: New file, Darwin makefile fragment.
1785 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1786 (TARGET_MACHO): Ditto.
1787 (rs6000_abi): Add ABI_DARWIN.
1788 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1789 (RS6000_SAVE_AREA): Ditto.
1790 (FP_ARG_MAX_REG): Ditto.
1791 (RETURN_ADDRESS_OFFSET): Ditto.
1792 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1794 (rs6000_emit_move): Add ABI_DARWIN cases.
1795 (print_operand): Ditto.
1796 (first_reg_to_save): Ditto.
1797 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1798 (debug_stack_info): Ditto.
1799 (rs6000_emit_prologue): Ditto.
1800 (rs6000_emit_epilogue): Ditto.
1801 (output_profiler_hook): Ditto.
1802 (output_function_profiler): Ditto.
1803 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1804 (output_mi_thunk): Add TARGET_MACHO case.
1805 (add_compiler_stub): Ditto.
1806 (output_compiler_stub): Ditto.
1807 (no_previous_def): Ditto.
1808 (output_call): Ditto.
1809 (machopic_output_stub): Ditto.
1810 (rs6000_machopic_legitimize_pic_address): Ditto.
1811 (toc_section): Ditto.
1812 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1813 (macho_high): Ditto.
1816 (load_macho_picbase): Ditto.
1817 (call): Add TARGET_MACHO case to modify function.
1818 (call_value): Ditto.
1819 (call_nonlocal_sysv): Add ABI_DARWIN case.
1820 (call_value_nonlocal_sysv): Ditto.
1821 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1823 (machopic_output_stub): Ditto.
1824 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1826 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1828 * dwarf2out.c (modified_type_die): Don't create new types here.
1829 * tree.h (get_qualified_type): New function.
1830 (build_qualified_type): Adjust comment.
1831 * tree.c (get_qualified_type): New function.
1832 (build_qualified_type): Use it.
1834 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1836 * cpp.texi (-Wtraditional): Update description.
1838 * invoke.texi (-Wtraditional): Likewise.
1840 2001-04-11 Jim Wilson <wilson@redhat.com>
1842 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1843 requires more than 64 bits of alignment.
1845 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1847 * cpplib.c (do_line): Sanity check iff enable checking.
1849 2001-04-11 Richard Henderson <rth@redhat.com>
1851 * Makefile.in (insn-recog.o): Depend on toplev.h.
1852 (insn-emit.o, doloop.o): Likewise.
1853 * genrecog.c, genemit.c: Include toplev.h in generated file.
1854 * doloop.c: Include toplev.h.
1856 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1858 * Makefile.in (gcse.o): Depend on params.h.
1859 * gcse.c: Include params.h.
1860 (gcse_main): Don't do GCSE if doing so will take inordinate
1862 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1863 * params.h (MAX_GCSE_MEMORY): New macro.
1865 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1867 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1869 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1871 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1873 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1875 * real.h (ereal_atof, real_value_truncate, target_isnan,
1876 target_isinf, target_negative, assemble_real, debug_real): Delete
1877 redundant prototypes.
1879 * Makefile.in (ifcvt.o): Depend on toplev.h.
1881 * c-semantics.c: Include expr.h.
1883 * ifcvt.c: Include toplev.h.
1885 * expr.h (rtx_equal_p): Delete prototype.
1887 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1888 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1889 eliminate_constant_term, expand_complex_abs, find_single_use,
1890 make_tree, init_expr_once, init_optabs, supports_one_only):
1893 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1894 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1895 expand_assignment, store_expr, emit_line_note_after,
1896 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1898 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1900 * sparc-protos.h: Delete redundant prototypes.
1902 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1904 * reload.c (push_reload): Add condition missed in SUBREG byte
1907 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1909 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1911 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1913 * i386.md (floatsisf_sse): Fix output template
1914 * i386.c (ix86_expand_fp_movcc)
1916 * reg-stack.c (emit_pop_insn): Handle complex modes.
1917 (move_for_stack_reg): Emit proper move mode.
1918 (subst_stack_regs_pat): Handle complex modes.
1920 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1922 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1924 2001-04-10 Richard Henderson <rth@redhat.com>
1926 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1927 (__pure_virtual, __terminate, __terminate_set_func,
1928 __default_terminate, __throw_type_match, __empty,
1929 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1930 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1931 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1932 Remove prototypes of deleted functions.
1934 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1936 * c-typeck.c (convert_arguments): -Wtraditional now activates
1937 -Wconversion warnings, except for changes in signed-ness.
1938 Detect complex<->int & int<->complex conversions as well.
1940 * invoke.texi (-Wtraditional): Document it.
1942 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1944 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1945 * flow.c (set_block_for_new_insns): Remove needless cast and
1946 properly check for unset block number.
1948 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1950 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1951 the subreg was a hard register. Pseudos are left as subregs.
1953 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1955 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1956 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1957 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1958 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1959 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1961 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1963 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1965 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1967 * output.h (set_block_num): Missed it earlier, remove deprecated
1970 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1972 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1973 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1974 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1975 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1976 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1977 (expr_killed_p): Change bb parameter from int to basic_block, pass
1978 basic_blocks instead of ints as parameters.
1979 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1980 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1981 from int to basic_block, pass basic_blocks instead of ints as parms.
1982 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1983 parameter from int to basic_block, pass basic_blocks instead of ints.
1984 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1985 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1986 pass basic_blocks instead of ints.
1987 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1988 basic_blocks instead of ints as parameters.
1989 (pre_delete): Pass basic_blocks instead of ints as parameters.
1990 (hoist_expr_reaches_here_p): Change bb parameter from int to
1991 basic_block, pass basic_blocks instead of ints.
1992 (hoist_code): Pass basic_blocks instead of ints as parameters.
1993 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1994 Change bb parameter from int to basic_block.
1995 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1996 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1997 pass basic_blocks instead of ints.
1998 (insert_store): Pass basic_blocks instead of ints as parameters.
1999 (replace_store_insn, delete_store): Change bb parameter from int to
2000 basic_block, pass basic_blocks instead of ints.
2001 (store_motion): Pass basic_blocks instead of ints as parameters.
2003 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2005 * basic-block.h (set_new_block_for_insns): New Prototype.
2006 (set_block_num): Delete prototype.
2007 * flow.c (set_block_num): Remove obsolete function.
2008 (set_block_for_new_insns): Set BB for single or multiple insns.
2009 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
2010 (process_insn_end_bb): Use set_block_for_new_insns or
2011 set_block_for_insn instead of set_block_num.
2012 (pre_insert_copy_insn): Use set_block_for_new_insns.
2013 (update_ld_motion_stores): Use set_block_for_new_insns.
2014 (insert_insn_start_bb): Use set_block_for_new_insns.
2015 (replace_store_insn): Use set_block_for_new_insns.
2017 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2018 Jeff Law <law@redhat.com>
2020 * alias.c (get_addr): Externalize.
2021 (canon_true_dependence): New function. Behaves like true_dependance
2022 except it already assumes a MEM has been canonicalized.
2023 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2024 * gcse.c (struct ls_expr): Add load/store expressions structure.
2025 (modify_mem_list, canon_modify_mem_list): New variable.
2026 (gcse_main): Initialize & finalize alias analysis. Use enhanced
2027 load motion and store motion if requested.
2028 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2029 (free_gcse_mem): Free the modify_mem_list array.
2030 (oprs_unchanged_p): Use load_killed_in_block_p.
2031 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2032 (mems_conflict_for_gcse_p): New function. Don't kill loads
2033 with stores to themselves if its in the load/store expression list.
2034 (load_killed_in_block_p): New function.
2035 (canon_list_insert): New Function.
2036 (record_last_mem_set_info): Keep a list of all instructions which
2037 can modify memory for each basic block.
2038 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2039 (oprs_not_set_p): Use load_killed_in_block_p.
2040 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2041 (expr_killed_p): Use load_killed_in_block_p.
2042 (compute_transp): Do not pessimize memory references.
2043 (pre_edge_insert): Update stores for a load motion expression.
2044 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2045 (ldst_entry): Find or create a ldst_expr structure.
2046 (free_ldst_entry): Free memory for an individual item.
2047 (free_ldst_mems): Free entire load/store expression list.
2048 (print_ldst_list): Print debug info.
2049 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2050 (enumerate_ldsts): Assign integer values to each entry in list.
2051 (first_ls_expr): First expression in the list.
2052 (next_ls_expr): Next expression in the list.
2053 (simple_mem): Check if expression qualifies for ld/st expression list.
2054 (invalidate_any_buried_refs): Remove from expression list if its
2055 used in some other way we dont understand.
2056 (compute_ld_motion_mems): Find all potential enhanced load motion
2058 (trim_ld_motion_mems): Remove any expressions which are invalid.
2059 (update_ld_motion_stores): Copy store values to registers for loads
2060 which have been moved.
2061 (regvec, st_antloc, num_store): New global statics.
2062 (reg_set_info): Marks registers as set.
2063 (store_ops_ok): Verfies registers expressions are valid in a block.
2064 (find_moveable_store): Look for moveable stores in a pattern.
2065 (compute_store_table): Find stores in a function worth moving, maybe.
2066 (load_kills_store): Check dependance of a load and store.
2067 (find_loads): Find any loads in a pattern.
2068 (store_killed_in_insn): Check if a store is killed in an insn.
2069 (store_killed_after): Check is store killed after an insn in a block.
2070 (store_killed_before): Check is store killed before an insn in a block.
2071 (build_store_vectors): Generate the antic and avail vectors.
2072 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2073 (insert_store): Add a store to an edge.
2074 (replace_store_insn): Replace a store with a SET insn.
2075 (delete_store): Delete a store insn.
2076 (free_store_memory): Free memory.
2077 (store_motion): Perform store motion.
2078 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2079 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2080 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2081 (f_options): Add gcse-lm and gcse-sm.
2083 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2085 * i386.c (expand_fp_movcc): Fix condition reversal code.
2087 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2088 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2089 (CLASS_MAX_NREGS): Use it.
2091 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2092 handle properly complex values.
2093 (CLASS_MAX_NREGS): Likewise; update comment.
2095 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2097 * ia64.c (ia64_flag_schedule_insns2): New variable.
2098 (ia64_override_options): Initialize it. Clear
2099 flag_schedule_insns_after_reload.
2100 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2102 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2104 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2105 Do not require source to match destination anymore;
2106 Add abort to the nontrivial cases that should be handled by split.
2107 (fix_trunc?fdi): Add SSE case for x86_64.
2108 (floatdi?f): Likewise.
2109 (floatdi?f_sse): New.
2110 (fix_trunc?fdi_sse): New.
2112 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2114 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2115 (DEBUG_ARANGES_END_LABEL): Ditto.
2116 (dwarfout_init): Generate length and version fields at the start
2117 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2118 after the length field.
2119 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2120 the .debug_aranges info.
2122 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2124 * i386.c (call, call_value): Make sure that resulting call_insn
2125 does have proper second operand.
2127 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2129 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2130 function. Remove include of sys/cygwin.h.
2132 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2134 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2135 (CPP_SPEC): Always search */include/w32api for header files.
2136 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2137 (LINK_SPEC): Add "cyg" to the library search prefixes.
2139 2001-04-08 Philip Blundell <philb@gnu.org>
2141 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2143 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2145 * cpperror.c (print_location): Don't special case <stdin>.
2146 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2147 WARNING, but we don't check if we're in system headers.
2148 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2149 * cpplib.c (do_warning): Warn in system headers.
2151 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2153 * mbchar.c: Include config.h first.
2155 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2157 * config.gcc: Set default for xmake_file at top, not bottom.
2158 Change places that set xmake_file to "none" to set to the
2159 empty string instead, or remove them entirely if there is no
2160 default xmake_file for this cpu_type. Remove references to
2163 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2164 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2165 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2166 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2167 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2168 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2169 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2170 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2171 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2172 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2175 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2176 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2177 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2178 config/mips/x-sysv, config/rs6000/x-aix31:
2179 Just set CLIB to -lld or -lmld, as appropriate.
2181 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2182 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2183 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2184 config/mips/x-iris, config/pa/x-pa:
2185 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2186 OTHER_FIXINCLUDES_DIRS.
2188 * config/i386/x-djgpp: Don't set LN or LN_S.
2189 * config/m88k/x-dolph: Don't define __m88k__.
2190 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2191 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2192 * config/i860/fx2800.h: No need to #undef SVR4.
2194 38 x-host fragments remain, 2 x-cpu.
2196 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2198 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2200 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2202 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2204 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2206 * configure.in: Add check for lstat.
2207 * configure, config.in: Regenerate.
2208 * cppinit.c (append_include_chain): Make empty path ".".
2209 * cpplib.c (do_line): Don't simplify #line paths.
2210 * cppfiles.c (remove_component_p): New function.
2211 (find_or_create_entry): Acknowledge stat () errors during
2212 path simplification.
2213 (handle_missing_header): Don't simplify paths.
2214 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2215 the empty path untouched. Don't leave a trailing '/'.
2217 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2219 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2220 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2222 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2224 * cppfiles.c (open_file): Fail directories silently, but
2225 with an errno of NOENT set.
2226 (read_include_file): Move the common exit code to the sole
2227 caller. Return an int indicating success or failure. Let
2228 open_file handle directories.
2229 (stack_include_file): If read_include_file fails,
2230 push a "null" buffer.
2232 2001-04-05 DJ Delorie <dj@redhat.com>
2234 * function.h (virtuals_instantiated): Declare.
2235 * function.c: (virtuals_instantiated): Make global.
2236 * calls.c (emit_library_call_value_1): Use
2237 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2238 Otherwise, use the stack pointer directly.
2240 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2242 * i386.c (x86_initialize_trampoline): New global function.
2243 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2244 (INITIALIZE_TRAMPOLINE): Move offline.
2245 * i386-protos.h (x86_initialize_trampoline): Declare.
2247 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2249 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2250 (lea_0): Rename to lea_1.
2251 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2252 (lea_general_?): Allow SImodes on TARGET_64BIT
2253 (lea_general_?_zext): New patterns.
2254 (call_1, call_1_rex64): Fix.
2256 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2258 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2260 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2262 * i386.c (function_arg): Return constm1_rtx for last argument.
2263 (ix86_expand_prologue): Update gen_call calls.
2264 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2265 * i386.md (call_pop): Likewise.
2266 (call): Second operand is VOIDmode.
2267 (call_0): Likewise; Support 64bits.
2268 (call_exp): New expander.
2269 (call_1): Get to the sync.
2270 (call_1_exp): New pattern.
2271 (call_value): Support 64bit.
2272 (call_value_exp): New pattern.
2273 (untyped_call): Update gen_call call.
2274 (call_value_pop): Disable for 64bit.
2275 (call_value_0_rex64): New pattern.
2276 (call_value_1_rex64): Likewise.
2278 2001-04-05 Bo Thorsen <bo@suse.de>
2280 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2282 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2284 * i386.md (*andsi_1+3): If used after reload, make sure the operand
2285 satisfies ANY_QI_REG_P.
2287 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2289 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2292 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2295 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2297 * config.gcc: Remove default for xm_file. Clean up local
2298 machine type handling. Remove settings of xm_file to
2299 something that doesn't exist. In the big switch, set xm_file,
2300 don't append to it (the value before the big switch is always
2301 null). Don't force build_xm_file or host_xm_file to have a value.
2302 * configure.in: Remove default for xm_file. Do not special
2303 case $cpu/xm-$cpu.h not existing.
2304 * configure: Regenerate.
2306 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2308 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2309 when folding integer division and modulo operations.
2311 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
2313 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
2314 instead of DWARF2_ADDR_SIZE for EH addresses.
2315 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
2318 2001-04-04 Richard Henderson <rth@redhat.com>
2320 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2321 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2322 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2324 2001-04-04 Richard Henderson <rth@redhat.com>
2326 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2327 * configure: Rebuilt.
2329 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2331 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2332 push insns to delete to it instead of deleting them.
2333 (delete_null_pointer_checks): Delete insns from delete_list after
2334 all delete_null_pointer_checks_1 passes are done.
2336 2001-04-04 Richard Henderson <rth@redhat.com>
2338 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2339 * configure: Rebuilt.
2341 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2343 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2344 * config/romp/xm-romp.h: Delete.
2346 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2348 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2351 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2353 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2354 all labels present in rtx.
2355 (try_split) Call new function for all split insns.
2357 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2359 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2360 sure the change won't be validated.
2362 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2364 * rtl.h (set_noop_p): Declare.
2365 * flow.c (set_noop_p): Move from here ...
2366 * rtlanal.c (set_noop_p): ... to here and enhance.
2367 * cse.c (delete_trivially_dead_insns): Use it.
2368 * gcse.c (hash_scan_set): Likewise.
2369 * jump.c (delete_noop_moves): Likewise.
2370 * recog.c (split_all_insns): Likewise.
2372 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2374 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2375 stack pointer via a LO_SUM. Ditto for setting a temp register
2376 used to save to the stack. Set cfa_temp when setting fp, and
2377 allow matches to cfa_temp in addition to cfa_store when saving
2378 regs. Handle POST_INC and LO_SUM register stores. Document the
2379 changes and errors in rule 12 doco.
2381 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2382 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2383 (load_reg): Move closer to epilogue code.
2384 (DO_FRAME_NOTES): Define to control the following..
2385 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2386 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2388 (hppa_expand_epilogue): Likewise.
2390 2001-04-03 Richard Henderson <rth@redhat.com>
2392 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2393 * configure: Rebuild.
2395 2001-04-03 Richard Henderson <rth@redhat.com>
2397 * rtl.h (LCT_THROW): New.
2398 * calls.c (emit_library_call_value_1): Handle it.
2399 * except.c (connect_post_landing_pads): Use it.
2401 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2403 * gansidecl.h: Delete file.
2404 * configure.in: Change all refs to gansidecl.h to use
2405 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2407 * configure: Regenerate.
2409 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2410 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2411 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2412 Don't include gansidecl.h.
2413 * intl.c, main.c, version.c, fixinc/fixlib.h,
2414 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2417 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2419 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2422 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2424 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2425 config/i386/xm-next.h, config/i386/xm-sco.h,
2426 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2427 config/m88k/xm-m88k.h: Delete.
2429 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2430 * config/romp/xm-romp.h: Don't define bcopy.
2431 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2432 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2434 * config.gcc: Remove references to deleted files.
2436 14 xm-host.h remain, 1 xm-cpu.h.
2438 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2439 David S. Miller <davem@pierdol.cobaltmicro.com>
2440 Andrew MacLeod <amacleod@redhat.com>
2442 Use byte offsets in SUBREGs instead of words.
2444 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2445 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2446 to pass new argument.
2447 (add_stored_regs): Use subreg_regno_offset function.
2448 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2450 (precompute_arguments): Use gen_lowpart_SUBREG.
2451 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2452 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2453 (simplify_set): Rework to use SUBREG_BYTE.
2454 (expand_field_assignment): Use SUBREG_BYTE.
2455 (make_extraction): Use SUBREG_BYTE.
2456 (if_then_else_cond): Use SUBREG_BYTE.
2457 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2458 (gen_lowpart_for_combine): Compute full byte offset.
2459 * cse.c (mention_regs): Use SUBREG_BYTE.
2460 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2461 (canon_hash): Use SUBREG_BYTE.
2462 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2463 (gen_lowpart_if_possible): Formatting.
2464 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2466 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2467 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2468 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2469 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2470 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2471 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2472 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2473 certain invariants about SUBREGs the compiler creates.
2474 (gen_lowpart_SUBREG): New function.
2475 (subreg_hard_regno): New function to get the final register number.
2476 (gen_lowpart_common): Use SUBREG_BYTE.
2477 (gen_imagpart): Spacing nits.
2478 (subreg_realpart_p): Use SUBREG_BYTE.
2479 (gen_highpart): Use SUBREG_BYTE.
2480 (subreg_lowpart_p): Always compute endian corrected goal offset,
2481 even at the byte level, then compare against that.
2482 (constant_subword): New function, pulled out all constant cases
2483 from operand_subword and changed second argument name to offset.
2484 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2485 and call constant_subword to do the work. Return const0_rtx if
2486 looking for a word outside of OP.
2487 (operand_subword_force): Change second arg name to offset.
2488 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2489 (store_split_bit_field): Use SUBREG_BYTE.
2490 (extract_bit_field): Use SUBREG_BYTE.
2491 (extract_split_bit_field): Use SUBREG_BYTE.
2492 (expand_shift): Use SUBREG_BYTE.
2493 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2494 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2495 * flow.c (set_noop_p): Use SUBREG_BYTE.
2496 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2497 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2498 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2500 (optimize_bit_field): Use SUBREG_BYTE.
2501 (purge_addressof_1): Use SUBREG_BYTE.
2502 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2503 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2504 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2505 * gengenrtl.c (special_rtx): Add SUBREG.
2506 * global.c (mark_reg_store): Use SUBREG_BYTE.
2507 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2508 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2509 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2510 final byte offset is congruent to subreg's mode size.
2511 (subst_constants): Use SUBREG_BYTE.
2512 (mark_stores): Use subreg_regno_offset function.
2513 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2514 function and SUBREG_BYTE.
2515 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2516 (reg_is_born): Use subreg_hard_regno.
2517 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2518 endian correction code. Don't combine subregs unless resulting
2519 offset aligns with type. Fix subreg constant extraction for DImode.
2520 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2521 (general_operand): Remove dead mode_altering_drug code.
2522 (indirect_operand): Use SUBREG_BYTE.
2523 (constrain_operands): Use subreg_regno_offset function.
2524 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2525 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2526 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2527 * regs.h (REG_SIZE): Allow target to override.
2528 (REGMODE_NATURAL_SIZE): New macro which target can override.
2529 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2530 on the entire subreg rtx.
2531 (push_reload): Use SUBREG_BYTE in comments and code.
2532 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2533 for hard registers inside subregs.
2534 (operands_match_p): Use subreg_regno_offset.
2535 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2536 containing hard regs.
2537 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2538 corrections when fixing up MEM subregs.
2539 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2540 subreg_regno_offset where appropriate.
2541 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2542 byte endian corrections when fixing up MEM subregs.
2543 (subst_reloads): When combining two subregs, make sure final
2544 offset is congruent to subreg's mode size.
2545 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2546 (refers_to_regno_for_reload_p): Use subreg_regno.
2547 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2548 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2549 correction code for memory subreg fixups.
2550 (forget_old_reload_1): Use subreg_regno_offset.
2551 (choose_reload_regs): Use subreg_regno.
2552 (emit_input_reload_insns): Use SUBREG_BYTE.
2553 (reload_combine_note_store): Use subreg_regno_offset.
2554 (move2add_note_store): Use subreg_regno_offset.
2555 * resource.c (update_live_status, mark_referenced_resources): Use
2556 subreg_regno function.
2557 (mark_set_resources): Use subreg_regno function.
2558 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2559 (subreg_regno_offset, subreg_regno): Define prototypes.
2560 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2561 (gen_lowpart_SUBREG): Add prototype.
2562 * rtl.texi (subreg): Update to reflect new byte offset representation.
2563 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2564 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2565 (reg_overlap_mentioned_p): Use subreg_regno.
2566 (replace_regs); Make sure final offset of combined subreg is
2567 congruent to size of subreg's mode.
2568 (subreg_regno_offset): New function.
2569 (subreg_regno): New function.
2570 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2571 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2572 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2573 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2574 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2575 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2576 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2577 (print_operand): Use SUBREG_BYTE.
2578 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2579 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2580 (arm_reload_out_hi): Use SUBREG_BYTE.
2581 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2582 instead of SUBREG_WORD.
2583 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2584 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2585 SUBREG creation to use byte offset.
2586 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2587 inverted load insns): Fix explicit rtl subregs to use byte
2589 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2590 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2591 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2592 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2593 to use byte offsets.
2594 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2595 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2596 offsets, also make sure it is congruent to SUBREG's mode size.
2597 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2598 unnamed ldob insn): Generate SUBREGs with byte offset.
2599 (zero_extendqihi2): SUBREG's are byte offsets.
2600 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2601 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2602 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2603 zero-extendqisi2): Generate SUBREGs with byte offset.
2604 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2605 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2606 subregs in rtl to use byte offsets.
2607 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2608 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2609 (mips_move_2words): Use subreg_regno_offset.
2610 (mips_secondary_reload_class): Use subreg_regno_offset.
2611 * config/mips/mips.md (DImode plus, minus, move, and logical op
2612 splits): Fixup explicit subregs in rtl to use byte offsets.
2613 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2614 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2615 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2616 rtl to use byte offsets.
2617 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2618 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2619 subregs to use byte offsets.
2620 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2621 Fixup explicit subregs in rtl to use byte offsets.
2622 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2623 and remove byte endian correction code.
2624 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2625 (gen_ashift_hi): Use SUBREG_BYTE.
2626 (regs_used): Use subreg_regno_offset.
2627 (machine_dependent_reorg): Use subreg_regno_offset.
2628 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2629 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2630 (movdf_i4): Subregs are byte offsets now.
2631 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2632 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2633 (REGMODE_NATURAL_SIZE): Override.
2634 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2635 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2637 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2638 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2639 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2640 it is congruent to SUBREG's mode size.
2641 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2643 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2644 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2645 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2646 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2647 * config/v850/v850.c (print_operand, output_move_double): Use
2648 subreg_regno function.
2650 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2652 * configure.in (target_subdir): Use target_alias, not target.
2653 * configure: Rebuilt.
2655 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2657 * config/sh/crti.asm: Fix typos in comments.
2659 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2661 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2662 TARGET_FAST_INDIRECT_CALLS.
2663 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2665 (return_addr_rtx): Short circuit export stub matching when
2666 TARGET_NO_SPACE_REGS.
2667 (output_millicode_call): For out of range calls, make -fPIC
2668 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2669 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2670 * pa.md: Modify length attr calculation of all millicode insns to
2673 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2675 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2676 Require at least 2.11 in the version test. Specifically check
2677 for and reject GAS version 2.10.90.
2678 * configure: regenerate.
2680 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2682 * pa.c (override_options): Remove PIC profiling warning.
2683 (hp_profile_labelno): Delete.
2684 (hp_profile_label_rtx): Delete.
2685 (hp_profile_label_name): Delete.
2686 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2687 (output_function_prologue): Remove profiling code and all tests on
2688 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2689 merge_sp_adjust_with_store can work for PIC and profiling.
2690 (hppa_expand_epilogue): Remove profile_flag test.
2691 (hppa_can_use_return_insn_p): Likewise.
2692 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2693 cater for PROFILE_HOOK.
2694 (hppa_profile_hook): New function.
2695 * pa.h (FUNCTION_PROFILER): Now does nothing.
2696 (PROFILE_HOOK): Define.
2697 (hppa_profile_hook): Declare.
2698 (PROFILE_BEFORE_PROLOGUE): Delete.
2699 (ASM_OUTPUT_REG_PUSH): Delete.
2700 (ASM_OUTPUT_REG_POP): Delete.
2701 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2702 r24. Accept function name operand, and use this and a locally
2703 generated label to calculate pc-rel offset to func start.
2705 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2707 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2708 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2711 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2713 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2714 LO_SUM cases to where they belong.
2716 2001-04-02 Richard Henderson <rth@redhat.com>
2718 * except.h (lang_eh_type_covers): Mark extern.
2719 (lang_eh_runtime_type): Likewise.
2721 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2723 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2724 gengenrtl.c: Wrap generated header in multiple-include guard.
2725 Improve error checking.
2727 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2729 * configure.in: Don't check for putenv.
2730 * configure: Regenerate.
2731 * gcc.c (putenv): Don't define.
2732 * vax/xm-vms.h: Handle putenv.
2734 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2736 * ifcvt.c (noce_emit_move_insn): New.
2737 (noce_try_store_flag, noce_try_store_flag_constants,
2738 noce_try_store_flag_inc, noce_try_store_flag_mask,
2739 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2740 noce_try_abs): Use it.
2741 (noce_process_if_block): Likewise.
2742 For STRICT_LOW_PART, take mode from its SUBREG.
2744 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2746 * fold-const.c (fold): Before optimizing unsigned comparison with
2747 0x7fffffffU, make sure arg0 is integral type.
2749 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2751 * c-tree.texi: Document representation of wide strings.
2753 2001-04-01 Richard Henderson <rth@redhat.com>
2755 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2757 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2759 * i386.md: remove obsoleted comments.
2760 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2761 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2762 fix output template.
2764 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2766 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2768 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2770 * loop.c (load_mems): When generating a load from a pseudo, update
2773 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2775 * i386.c (ix86_split_long_move): Use change address to compensate
2776 stack pointer change in push instruction.
2778 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2780 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2781 instead of rtx_equal_p; fix the output template.
2783 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2785 * i386.c (ix86_expand_setcc): Support 64bit.
2786 (ix86_expand_int_movcc): Likewise.
2787 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2790 * i386.md (allocate_stack_worker): Turn to expander.
2791 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2793 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2795 2001-03-29 Richard Henderson <rth@redhat.com>
2797 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2799 2001-03-28 Matthew Hiller <hiller@redhat.com>
2801 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2804 * MAINTAINERS: Added self.
2806 2001-03-28 Richard Henderson <rth@redhat.com>
2808 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2809 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2811 2001-03-28 Jim Wilson <wilson@redhat.com>
2813 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2816 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2818 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2820 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2823 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2825 2001-03-28 DJ Delorie <dj@redhat.com>
2827 * Makefile.in (stage1_build): Revert CFLAGS patch.
2829 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2831 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2832 when multiplier or multiplicand is zero.
2834 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2836 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2838 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2840 (set_src_needs_barrier): Likewise.
2841 (rtx_needs_barrier): For SET case, use these two functions. Rework
2842 PARALLEL case to handle all inputs before all outputs.
2843 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2844 saw a label and no stop bit since then.
2845 (maybe_rotate, process_epilogue): Add prototypes.
2847 2001-03-28 Richard Henderson <rth@redhat.com>
2849 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2850 not TARGET_TOC for special toc restore handling.
2851 * config/rs6000/rs6000.md (eh_return): Likewise.
2853 2001-03-28 Richard Henderson <rth@redhat.com>
2855 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2856 current_function_calls_eh_return.
2857 (output_function_epilogue): Handle eh_return.
2858 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2859 (EH_RETURN_DATA_REGNO): New.
2860 (EH_RETURN_STACKADJ_RTX): New.
2861 (EH_RETURN_HANDLER_RTX): New.
2862 * config/sparc/sparc.md (call/short branch peepholes): Check
2863 can_throw_internal instead of in_same_eh_region.
2865 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2866 for eh_return data registers.
2867 (rs6000_emit_prologue): Save eh_return data registers.
2868 (rs6000_emit_epilogue): Force inline restores if eh_return.
2869 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2870 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2871 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2872 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2873 the target uses one.
2874 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2875 (return_eh_si, return_eh_di): Remove.
2876 (eh_return): New, from corpse of eh_epilogue.
2877 (eh_set_lr_si, eh_set_lr_di): New.
2879 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2880 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2881 True for pic register if current_function_calls_eh_return.
2882 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2883 Handle eh_return requirements.
2884 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2885 (EH_RETURN_STACKADJ_RTX): New.
2886 * config/i386/i386.md (exception_receiver): Remove.
2887 (eh_return, eh_return_1): New.
2888 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2890 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2891 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2892 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2893 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2894 (EH_RETURN_DATA_REGNO): New.
2895 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2896 * config/alpha/alpha.md (eh_epilogue): Remove.
2897 (exception_receiver): Use $26 for ldgp input.
2898 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2900 2001-03-28 Richard Henderson <rth@redhat.com>
2902 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2903 * except.h: Likewise.
2905 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2906 (LIB2ADDEHDEP): New.
2907 (LIB2FUNCS_EH): Remove.
2908 (LIB2ADD): Remove LIB2ADDEH.
2909 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2910 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2911 (crt{begin,end}[S].o): Likewise.
2912 (except.o): Update includes.
2913 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2914 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2916 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2917 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2918 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2919 * builtins.c (expand_builtin): Implement it.
2920 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2921 * c-common.c (c_common_nodes_and_builtins): Declare it.
2922 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2923 * calls.c (libfunc_nothrow): Remove.
2924 (emit_library_call_value_1): Don't call it.
2925 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2926 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2927 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2928 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2929 (current_funcdef_number): Globalize.
2930 (output_call_frame_info): Emit frame data if an lsda is needed.
2931 Generate augmentation for personality routine. Don't play with
2933 (dwarf2out_begin_prologue): Record funcdef_number.
2934 * dwarf2out.h (current_funcdef_number): Declare.
2935 * expr.c (expand_expr): Update for except.h name changes.
2936 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2937 * expr.h (LTI_throw, LTI_rethrow): Remove.
2938 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2939 (LTI_eh_rtime_match): Remove.
2940 (LTI_unwind_resume, LTI_eh_personality): Add.
2941 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2942 * final.c (final): Don't call check_exception_handler_labels,
2943 init_insn_eh_region, or free_insn_eh_region.
2944 (final_scan_insn): Always emit debug labels for
2945 NOTE_INSN_EH_REGION notes.
2946 * flags.h (flag_new_exceptions): Remove.
2947 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2948 (record_active_eh_regions): Remove.
2949 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2950 Use can_throw_internal.
2951 (find_basic_blocks_1): Likewise.
2952 (move_stray_eh_region_notes): Remove.
2953 (find_label_refs): No eh_return_stub_label.
2954 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2955 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2957 (delete_unreachable_blocks): Don't track deleted handlers.
2958 (flow_delete_block): Use maybe_remove_eh_handler.
2959 (delete_eh_regions): Remove.
2960 (merge_blocks): Don't check for eh region match.
2961 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2962 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2963 (init_propagate_block_info): Disable dead frame store optimization
2964 when current_function_calls_eh_return.
2965 (dump_bb): Don't print eh_beg, eh_end.
2966 * function.c (fixup_var_refs): No catch_clauses.
2967 (expand_function_end): Likewise. Call expand_eh_return before
2968 the return register use. Call sjlj_emit_function_exit_after.
2969 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2970 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2971 * ifcvt.c (dead_or_predicable): Remove eh region check.
2972 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2973 Don't check for EH vs parameters.
2974 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2975 (expand_inline_function): Call duplicate_eh_regions.
2976 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2977 (copy_insn_notes): Remap REG_EH_REGION notes.
2978 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2979 * integrate.h (struct inline_remap): Add local_return_label.
2980 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2981 check_exception_handler_labels, nor exception_optimize.
2982 (find_cross_jump): No EH region check.
2983 * optabs.c (init_optabs): Update for changed eh libfuncs.
2984 * rtl.def (RESX): New.
2985 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2986 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2987 checks. Update for except.h name changes.
2988 (expand_cleanups): Likewise.
2989 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2990 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2991 (compile_file): Call init_eh before init_optabs. Don't
2992 output_exception_table here.
2993 (rest_of_compilation): Call convert_from_eh_region_ranges,
2994 convert_to_eh_region_ranges, output_function_exception_table.
2995 Don't emit_eh_context.
2996 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2997 (EXC_PTR_EXPR): New.
2999 * md.texi (eh_epilogue): Remove.
3000 (eh_return): Document.
3001 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3002 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3004 * eh-common.h: Remove file.
3005 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3006 * libgcc2.c (L_eh): Remove.
3008 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3009 * unwind-dw2-fde.h: New file.
3010 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3011 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3012 * libgcc-std.ver: Update for eh symbols.
3014 2001-03-27 Richard Henderson <rth@redhat.com>
3016 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3017 reduce false positives.
3018 (regmove_optimize): Disable if flag_non_call_exceptions.
3020 * stmt.c (expand_return): Remove always true predicate.
3021 (expand_decl_cleanup_no_eh): Remove dead code.
3023 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3024 barrier code. Add a scheduling barrier if a non-call insn
3025 can throw internally.
3027 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3028 Auto-inc addresses trap only if their base register does.
3030 * except.c (can_throw_internal): Rename from can_throw.
3031 * except.h, resource.c: Update references.
3033 * integrate.c (copy_insn_list): Use returnjump_p.
3034 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3036 * function.h (struct function): Move all boolean valued fields
3037 to single bit fields at the end of the struct.
3039 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3041 Rename asynchronous_exceptions to flag_non_call_exceptions.
3043 * gthr-single.h (UNUSED): New. Distinguish between how C
3044 and C++ mark unused function arguments. Use throughout.
3046 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3047 value to target configuration header.
3048 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3049 * config.in, configure: Rebuild.
3050 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3051 configuration and target defines.
3052 (exceptions_via_longjmp): Remove.
3053 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3054 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3056 * except.h (flag_non_call_exceptions): Move ...
3057 * flags.h: ... here.
3059 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3060 exceptions, put the note on the trapping instruction.
3062 * flags.h (flag_new_exceptions): Remove.
3063 * toplev.c: Don't set it.
3064 * final.c: Don't check it.
3065 * except.c: Provide stub definition.
3067 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3068 (calculate_global_regs_live): Kill call-clobbered registers
3069 across exception edges.
3070 * reg-stack.c (convert_regs_1): Kill the entire target stack
3071 across non-call exception edges.
3073 * flow.c (cleanup_cfg): Take no argument.
3074 * output.h, sibcall.c, toplev.c: Update all calls.
3076 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3078 * configure.in: Don't check for bcopy.
3079 * configure, config.in: Regenerate.
3081 * system.h: Don't define or prototype bcopy, instead poison it.
3083 2001-03-27 Richard Henderson <rth@redhat.com>
3085 * function.c (expand_function_start): Set DECL_REGISTER on
3086 a pseudo used for DECL_RESULT.
3088 * rtl.h (LCT_NORETURN): New.
3089 * calls.c (emit_library_call_value_1): Handle it.
3091 2001-03-27 Stan Shebs <shebs@apple.com>
3093 * objc/objc-act.c (objc_init): Use dump_base_name.
3094 (gen_declaration): Clear the buffer arg.
3095 (gen_declaration_1): New function, body of gen_declaration.
3096 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3097 (gen_method_decl): Ditto, plus always clear buffer arg.
3098 (error_with_ivar): Simplify.
3099 (warn_with_method): Ditto.
3100 (build_message_expr): Don't clear buffers.
3101 (dump_interface): Ditto.
3102 (objc_debug): Ditto.
3103 (build_keyword_selector): Clear the buffer by only zeroing
3105 (objc_implementation_context): Declare.
3106 (start_class): Warn about missing @end.
3107 (finish_objc): Ditto.
3109 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3111 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3113 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3115 * Makefile.in (SYSTEM_H): Define.
3116 Depend on $(SYSTEM_H), not system.h.
3118 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3120 2001-03-27 Jim Wilson <wilson@redhat.com>
3122 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3124 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3125 (process_epilogue): New static function.
3126 (process_set): Call process_epilogue instead of emitting .restore
3128 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3130 * flow.c (struct reg_cond_life_info): New fields orig_condition
3132 (init_propagate_block_info): Set new fields.
3133 (mark_regno_cond_dead): Set and use new fields.
3134 (flush_reg_cond_reg_1): Likewise.
3135 (and_reg_cond, case AND): Check for redundant AND conditions.
3136 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3139 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3141 * cppmacro.c (stringify_arg): Null terminate strings.
3143 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3145 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3146 inclusion style. xm-m68hc11.h no longer exists.
3147 * config/m68hc11/xm-m68hc11.h: Delete file.
3148 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3150 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3151 Don't define GCC_VERSION, N_, or PARAMS; don't include
3152 gansidecl.h or stdio.h. Define inhibit_libc here.
3153 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3154 Delete code conditioned on #if GCC_VERSION == 2095.
3156 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3157 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3158 Delete code conditioned on #if GCC_VERSION == 2095.
3160 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3162 * system.h: Include symcat.h.
3163 (STRINGIFY): Don't define.
3165 * configure.in: Adjust comment.
3167 * builtins.c: Use STRINGX, not STRINGIFY.
3168 * gencheck.c: Likewise.
3169 * gengenrtl.c: Likewise.
3170 * protoize.c: Likewise.
3172 * cpplex.c: Don't include symcat.h.
3173 * cpplib.c: Likewise.
3175 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3177 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3179 * c-typeck.c (digest_init): Fold init expression.
3181 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3183 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3185 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3187 * except.c (eh_regs): Save results of build_pointer_type to a temp
3188 as FUNCTION_VALUE macro may evaluate its args multiple times.
3190 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3192 * c-common.h (DECL_NUM_STMTS): New macro.
3193 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3195 (pushdecl): Likewise.
3196 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3197 * integrate.c (expand_inline_function): Don't check
3199 * print-tree.c (print_node): Don't print it.
3200 * toplev.c (rest_of_compilation): Don't try to inline when
3201 flag_no_inline is on.
3202 * tree.h (DECL_FRAME_SIZE): Remove.
3203 (tree_decl): Adjust accordingly.
3205 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3207 * combine.c (try_combine): Use memcpy, not bcopy.
3209 * genattrtab.c (expand_units): Likewise.
3211 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3213 * i386.md (push mem DI peep2): New.
3214 (mov 0, mov -1 peep2): Handle 64bit.
3215 (lea to arithmetics peep2): Handle 64bit leas.
3216 (rsp arithmetics to push/pop peep2s): New.
3218 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3220 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3222 * i386.c (struct machine_function): Add save_varrargs_registers.
3223 (ix86_save_varrargs_registers): New macro.
3224 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3225 (ix86_expand_prologue): Likewise.
3226 (ix86_emit_epilogue_esp_adjustement): Likewise.
3227 (ix86_expand_epilogue): Likewise.
3228 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3229 (pro_epilogue_adjust_stack_1): New insn.
3230 (pro_epilogue_adjust_stack_rex64): Likewise.
3231 * i386.h (MASK_NO_RED_ZONE): New constant.
3232 (TARGET_RED_ZONE): New macro.
3233 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3234 (RED_ZONE_SIZE): New constant.
3235 (RED_ZONE_RESERVE): New constant.
3237 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3239 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3241 2001-03-25 Kazu Hirata <kazu@hxi.com>
3243 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3246 (umodhi3): Likewise.
3249 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3251 * mkconfig.sh (DEFINES): Handle entries with '='.
3253 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3254 Set xm_defines to MACRO=value instead.
3256 * i370/xm-mvs.h: Delete.
3258 * ns32k/xm-pc532-min.h: Likewise.
3260 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3262 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3264 use ix86_expand_binary_operator
3265 (?sh??i_?): Disable for 64bit.
3266 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3267 * i386.c (shiftdi_operand): New predicate.
3269 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3270 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3271 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3272 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3273 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3274 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3275 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3276 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3277 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3278 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3279 (rotldi3, rotrdi3): New expanders.
3281 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3283 * i386.md (movstrsi): Move offline.
3285 (strmovdi_rex64): New.
3286 (strmov?i): Accept 64bit.
3287 (strmov?i_rex64): New.
3288 (strmov?i_rex_1): New.
3289 (strmov?i_1): Disable for 64bit.
3290 (rep_mov?i_rex64): New.
3291 (rep_mov?i): Disable for 64bit.
3292 (clrstrsi): Move offline.
3293 (strset?i_rex64): New.
3294 (strset?i: Accept 64bit.
3295 (rep_stos?i): Disable for 64bit.
3296 (rep_stos?i_rex64): New.
3297 (strset?i_rex_1): New.
3298 (strset?i_1): Disable for 64bit.
3299 (cmpstrsi): Accept 64bit.
3300 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3301 (cmpstrqi_nz_rex_1): New.
3302 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3303 (strlensi): Move offline.
3305 (strlenqi_1): Disable for 64bit; fix constraints.
3306 (strlenqi_rex_1): New.
3307 * i386.c (ix86_adjust_counter): New static function.
3308 (ix86_zero_extend_to_Pmode): Likewise.
3309 (ix86_expand_aligntest): Likweise.
3310 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3311 (ix86_expand_movstr): New global function.
3312 (ix86_expand_clrstr): New global function.
3313 (ix86_expand_strlen): New global function.
3314 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3315 ix86_expand_strlen): Declare.
3316 (ix86_expand_strlensi_unroll_1): Delete.
3318 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3320 * i386.md (cmpdi): Fix operand predicates.
3321 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3322 cmpdi_1_insn_rex64): New patterns.
3323 (adddi3): Turn to expander.
3324 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3325 (addsi3_carry_zext): New pattern.
3326 (adddi_?_rex64): New patterns and splitters.
3327 (addsi_?_zext): New patterns.
3328 (subsi3_carry_zext): New pattern.
3329 (subdi_?_rex64): New patterns and splitters.
3330 (iorsi_?_zext): New patterns.
3331 (iordi_?_rex64): New patterns and splitters.
3332 (iorsi_?_zext): New patterns.
3333 (iorsi_?_zext_imm): New patterns.
3334 (xorsi_?_zext): New patterns.
3335 (xordi_?_rex64): New patterns and splitters.
3336 (xorsi_?_zext): New patterns.
3337 (negdi*): New patterns.
3338 (one_cmpldi*): Likewise.
3339 (one_cmplsi*_zext, negsi*_zext): Likewise.
3340 (testqi_ext_3_rex64): New pattern.
3342 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3344 * i386-protos.h (ix86_split_long_move): Return void.
3345 * i386.c (ix86_split_to_parts): Handle 64bit target.
3346 (ix86_split_long_move): Likewise.
3347 * i386.md (all calls to ix86_split_long_move): Update.
3349 2001-03-23 Richard Henderson <rth@redhat.com>
3351 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3352 to avoid shadowing arguments.
3354 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3356 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3357 to variable names where DECL_NAME is different from
3358 DECL_ASSEMBLER_NAME.
3360 2001-03-23 Jim Wilson <wilson@redhat.com>
3362 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3363 (assemble_alias): Call make_decl_rtl.
3365 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3367 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3369 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3371 * extend.texi: Document the "java_interface" attribute.
3373 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3375 * mkconfig.sh: Use a subshell with redirected stdout,
3376 instead of closing stdout and confusing commands that run
3377 afterward. Throw away output of cmp.
3379 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3381 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3383 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3385 * i386.md (zero_extendsidi2_32): Break out from ...
3386 (zero_extendsidi2): ... here ; turn to expander.
3387 (zero_extendsidi2_rex64): New.
3388 (extendsidi2_32): Break out from ...
3389 (extendsidi2): ... here ; turn to expander.
3390 (extendsidi2_rex64): New.
3391 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3392 (trunc?f?f splitters): Add 64bit versions.
3394 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3396 * i386.md (pushsi, pushsi2_prologue): Disable.
3397 (pushsi2_rex64): New.
3398 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3399 (movqi_ext_1): Disable for 64bit.
3400 (movqi_ext_1_rex64): New.
3401 (pushdi2_rex64): New pattern, peep2s and splitter.
3402 (pushdi2_prologue_rex64): New pattern.
3403 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3405 (movdi splitters): Disable for 64bit.
3406 (movdi_1_rex64): New pattern, peep2s and splitters.
3407 (swapdi): New pattern.
3408 (pushsf): Disable for 64bit.
3409 (pushsf_rex64): New pattern and splitter.
3410 (pushdf_nointeger): Disable for 64bit.
3411 (pushdf_integer): Handle the 64bit case.
3412 (pushtf): Likewise; update splitters.
3414 2001-03-22 Richard Henderson <rth@redhat.com>
3416 * mkconfig.sh: Include insn-flags.h.
3417 * Makefile.in (CONFIG_H): Include insn-flags.h.
3418 (lots of objects): Remove insn-codes.h and insn-flags.h.
3420 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3421 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3422 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3423 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3424 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3425 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3426 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3427 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3428 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3429 v850/v850.c, vax/vax.c:
3430 Don't include insn-flags.h.
3432 * diagnostic.c, expr.h, reload.c, toplev.c:
3433 Don't include insn-codes.h.
3435 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3436 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3437 c4x/c4x.c, i960/i960.c, mips/mips.c:
3438 Don't include insn-codes.h or insn-flags.h.
3440 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3441 or insn-flags.h in the generated code.
3442 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3443 (main): Forward declare struct rtx_def.
3445 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3447 * invoke.texi (-ffast-math): Remove duplicate line about
3450 * gcc.texi: Remove more obsolete documentation of bugs and
3451 installation problems.
3453 2001-03-21 Kazu Hirata <kazu@hxi.com>
3455 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3458 2001-03-20 Jason Merrill <jason@redhat.com>
3460 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3462 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3463 * varasm.c (CHKR_PREFIX): Likewise.
3465 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3467 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3468 is part of a multi-SET insn.
3470 * cse.c (find_comparison_args): Remove previous change.
3471 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3474 * config/i386/i386.md (conditional_trap): Remove warning.
3476 * recog.c (push_operand): Fix error in last change that caused
3477 undefined symbol on many targets.
3479 * sdbout.c: #include ggc.h.
3480 (sdbout_init): Move to end of file.
3481 Call ggc_add_tree_root for anonymous_types.
3482 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3483 (sdbout_one_type): Use DECL_NAME for field name.
3484 * Makefile.in (sdbout.o): Show includes ggc.h.
3486 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3488 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3489 (override_options): Use properlimits for preferred_stack_boundary.
3490 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3492 (ext_register_operand): Accept DImode.
3493 (load_pic_register): Abort on 64bit.
3494 (gen_push): Use Pmode instead of SImode.
3495 (ix86_save_reg): Pic reg is never used on 64bit.
3496 (ix86_expand_prologue): Likewise.
3497 (ix86_emit_save_regs): Use Pmode instead of SImode.
3498 (legitimate_address_p): Check displacement for 64bit.
3499 (print_operand): Avoid outputting of (%rip) on 64bit.
3500 (print_operand_address): Output (%rip) where possible.
3501 (split_di): Abort on 64bit registers.
3502 (ix86_expand_branch): DImode comparison is simple for x86_64.
3503 (memory_address_length): Recognize memory addresses formed using
3505 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3507 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3509 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3511 * recog.c (push_operand): Recognize new format of push instructions.
3513 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3515 * i386.md (pushqi1): New.
3516 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3517 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3518 x86_64_immediate_operand, x86_64_immediate_operand,
3519 x86_64_zext_immediate_operand): Declare.
3520 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3521 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3522 x86_64_immediate_operand, x86_64_immediate_operand,
3523 x86_64_zext_immediate_operand): define.
3524 * i386.h (PREDICATE_CODES): Add new predicates.
3526 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3528 * i386.md (pophi1, popqi1, pushqi1): Remove.
3530 * expr.c (emit_single_push_insn): New function.
3531 (move_by_pieces): Accept NULL as destination for push instructions.
3532 (gen_push_operand): Kill.
3533 (emit_push_insn): Pass NULL when pushing; avoid updating of
3534 stack_pointer_delta.
3535 * expr.h (gen_push_operand): Kill.
3537 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3539 * rtl.texi (COMPARE): Clarify documentation and reference section
3542 2001-03-20 Stan Shebs <shebs@apple.com>
3544 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3545 (get_object_reference): Ditto.
3546 (error_with_ivar): Use error_with_file_and_line.
3547 (warn_with_method): Use warning_with_file_and_line.
3549 2001-03-20 Tom Tromey <tromey@redhat.com>
3551 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3553 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3555 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3556 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3558 2001-03-20 DJ Delorie <dj@redhat.com>
3560 * Makefile.in (install-libgcc): Pass complete list of variables.
3561 (install-multilib): Ditto.
3563 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3565 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3566 drectve_section, switch_to_section.
3568 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3569 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3570 i386_pe_mark_dllimport.
3572 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3574 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3575 functions i386_pe_*.
3577 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3578 i386_pe_* functions with char * arguments.
3580 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3582 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3584 (movsi_ie): Introduce fpul store.
3586 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3588 * Makefile.in (OBJS): Remove hashtab.o.
3590 2001-03-19 Stan Shebs <shebs@apple.com>
3592 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3593 * c-lang.c (maybe_objc_method_name): Ditto.
3594 * c-tree.h (maybe_objc_method_name): Remove decl.
3596 2001-03-19 Tom Tromey <tromey@redhat.com>
3598 * gcc.c (init_gcc_specs): Fix comment.
3600 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3602 Compute DECL_ASSEMBLER_NAME lazily.
3603 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3604 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3605 (SET_DECL_ASSEMBLER_NAME): Likewise.
3606 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3607 (set_decl_assembler_name): Declare.
3608 (lang_set_decl_assembler_name): Likewise.
3609 * tree.c (lang_set_decl_assembler_name): New variab.e
3610 (set_decl_assembler_name): New function.
3611 (init_obstacks): Set lang_set_decl_assembler_name.
3612 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3613 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3614 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3615 where it's not necessary.
3616 (builtin_function): Likewise.
3617 (finish_decl): Likewise.
3618 * dbxout.c (dbxout_type_methods): Likewise.
3619 * ggc-common.c (ggc_mark_trees): Likewise.
3620 * profile.c (output_func_start_profiler): Likewise.
3621 * varasm.c (make_decl_rtl): Likewise.
3623 * cse.c (find_comparison_args): Update documentation. Fix
3624 mishandling of COMPARE operations.
3626 * tree.def (ABS_EXPR): Add documentation.
3627 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3629 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3631 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3633 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3635 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3636 Remove ia32 linux PIC kludge and move it...
3637 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3639 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3641 * i386.md (absdf2 expander): Fix 64bit case.
3643 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3645 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3647 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3649 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3651 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3653 * README.X11: Remove obsolete file.
3655 2001-03-18 Anthony Green <green@redhat.com>
3657 * config/pj/pj.h: Remove some trailing commas.
3658 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3660 2001-03-18 Richard Henderson <rth@redhat.com>
3662 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3663 * calls.c: ... here.
3664 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3665 defaults for them here.
3667 2001-03-17 Anthony Green <green@redhat.com>
3669 * config/pj/lib1funcs.S: Fix broken comment.
3670 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3673 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3675 * gcc.texi: Remove obsolete information relating to build and
3676 installation problems with enquire or the Pyramid C compiler.
3678 2001-03-17 Richard Henderson <rth@redhat.com>
3680 * dwarf2out.c (queue_reg_save): New.
3681 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3682 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3684 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3685 (cfa, cfa_store, cfa_temp): Make static.
3686 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3688 2001-03-17 Richard Henderson <rth@redhat.com>
3690 * integrate.h (struct inline_remap): Add local_return_label.
3691 * integrate.c (expand_inline_function): Initialize it and emit
3692 it after copy_insn_notes.
3693 (copy_insn_list): Don't store local_return_label here.
3694 (copy_insn_notes): New function split out from copy_insn_list.
3696 2001-03-17 Richard Henderson <rth@redhat.com>
3698 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3699 is generating .debug_line.
3700 (dwarf2out_init): Add main_input_filename to the file table first.
3701 * configure.in (as_dwarf2_debug_line): Test with file number 1
3702 instead of file number 0.
3704 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3706 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3707 (gen_rtx_combine): Deleted; all references changed as appropriate.
3708 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3710 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3712 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3714 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3717 2001-03-16 Jim Wilson <wilson@redhat.com>
3719 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3720 then set it to LOC_REG (79) instead of aborting.
3722 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3724 * gccbug.in: Remove high priority.
3726 2001-03-16 Richard Henerson <rth@redhat.com>
3728 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3729 output with a space instead of deleting it.
3730 * configure: Regenerate.
3732 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3734 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3735 handles the gory details of converting an object file into
3736 something that's safe to grep.
3737 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3738 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3739 newlines at either end of the string we're looking for.
3740 Make 'checking ...' message less stilted.
3741 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3742 ARM in-memory layout and its hypothetical converse. Don't
3743 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3744 HOST_WORDS_BIG_ENDIAN.
3746 * configure.in: Adjust for renamed macro. Move
3747 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3748 * configure, config.in: Regenerate.
3750 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3752 * fixinc/Makefile.in: Set SHELL.
3754 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3756 * fixinc/fixincl.c (fix_with_system): Quote file names before
3757 passing them to shell.
3759 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3761 * Makefile.in: Use fix-header$(build_exeext) instead
3764 2001-03-16 Richard Henderson <rth@redhat.com>
3766 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3767 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3768 (size_of_line_prolog): Remove.
3769 (output_line_info): Compute prologue size via label difference.
3770 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3772 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3773 assembler error when redefining file numbers.
3774 * config.in, configure: Rebuild.
3776 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3777 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3778 (dw2_asm_output_delta_uleb128): Likewise.
3779 (dw2_asm_output_delta_sleb128): Similarly.
3780 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3782 2001-03-16 Michael Meissner <meissner@redhat.com>
3784 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3786 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3788 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3790 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3791 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3792 being unsigned in ISO C and signed in traditional.
3793 (expand_prologue): Ditto.
3794 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3796 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3798 (divsi3,divdi3): Ditto.
3799 (modsi3,moddi3): Ditto.
3800 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3801 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3802 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3805 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3807 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3808 SSE based conditional moves on LTGT/UNEQ conditions;
3809 Canonicalize EQ to NE.
3810 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3811 (sse_mov?fcc_ne): New.
3813 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3815 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3817 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3818 register may be dead.
3820 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3822 * Makefile.in (hash.o): Depend on CONFIG_H.
3824 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3826 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3828 2001-03-15 Richard Henderson <rth@redhat.com>
3830 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3831 (ASM_OUTPUT_DWARF_PCREL): New.
3832 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3834 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3836 * cppfiles.c (stack_include_file): Use MAX of sysp.
3838 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3840 * config.gcc (ia64*-*-hpux*): New case.
3841 * config/ia64/hpux.h: New file for HP-UX support.
3842 * config/ia64/t-hpux: New file for HP-UX support.
3844 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3846 * fixinc/inclhack.def (irix_stdio_va_list): New.
3847 * fixinc/fixincl.x: Rebuilt.
3849 2001-03-15 Richard Henderson <rth@redhat.com>
3851 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3852 if provided by the target.
3853 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3854 (dw2_asm_output_addr): New.
3855 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3856 * dwarf2out.c (output_cfi): Use it for program addresses.
3857 (output_call_frame_info, output_die): Likewise.
3858 (output_aranges, output_line_info): Likewise.
3860 2001-03-15 Bruce Korb <bkorb@gnu.org>
3862 * gcc.c(main): make more rigorous
3863 * collect2.c(main): guard against ignoring SIGCHLD
3864 * protoize.c(main): ditto
3865 * gcc/fixinc/fixincl.c(initialize): ditto
3867 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3869 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3870 (sdbout_parms): Likewise.
3872 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3874 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3875 "widen" a destination that is already wider than a word. Also do
3876 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3878 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3880 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3882 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3884 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3886 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3888 * i960.h (i960_maxbitalignment,
3889 i960_last_maxbitalignment): Declare.
3890 * i960.c (i960_maxbitalignment,
3891 i960_last_maxbitalignment): Make global.
3892 (process_pragma): Delete.
3893 (i960_pr_align, i960_pr_noalign): Move from here ...
3894 * i960-c.c: ... to this new file.
3895 * t-960bare (i960-c.o): New rule.
3896 * t-vxworks960 (i960-c.o): Likewise.
3897 * config.gcc (i960-*-*): Define c_target_objs and
3900 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3902 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3903 without adding in rtx code and mode.
3905 * alias.c (init_alias_analysis): Don't use any rtx whose value
3906 varies as a known value.
3907 Delete a superfluous test.
3909 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3911 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3912 scheduling a stop bit.
3913 (ia64_emit_nops): Correctly handle ASMs.
3915 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3917 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3919 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3921 * cpp.texi: Update documentation for -include and -imacros.
3922 * cppfiles.c (struct include_file): Remove "defined" memeber.
3923 (find_or_create_entry): Make a copy of the file name, and
3925 (open_file): Update to ensure we use the simplified filename.
3926 (stack_include_file): Don't set search_from.
3927 (cpp_included): Don't simplify the path name here.
3928 (find_include_file): New prototype. Call search_from to
3929 get the start of the "" include chain. Don't simplify the
3931 (_cpp_execute_include): New prototype. Move diagnostics to
3932 do_include_common. Update.
3933 (_cpp_pop_file_buffer): Don't set defined.
3934 (search_from): New prototype. Use the preprocessor's cwd
3935 for files included from the command line.
3936 (read_name_map): Don't simplify the pathname here.
3937 * cpphash.h (enum include_type): New.
3938 (struct buffer): Delete search from. New search_cached.
3939 (_cpp_execute_include): Update prototype.
3940 * cppinit.c (do_includes): Use _cpp_execute_include.
3941 * cpplib.c (do_include_common): New function.
3942 (do_include, do_include_next, do_import): Use it.
3944 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3946 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3947 contents of the RTL, to determine the name of the object.
3949 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3951 * tree.h (DECL_RTL): Allocate RTL lazily.
3952 (SET_DECL_RTL): New macro.
3953 (DECL_RTL_SET_P): Likewise.
3954 (COPY_DECL_RTL): Likewise.
3955 (DECL_RTL_IF_SET): Likewise.
3956 * varasm.c (make_decl_rtl): Add assertions about the kind of
3957 declaration we are processing.
3958 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3959 (start_decl): Likewise.
3960 (finish_decl): Likewise.
3961 * c-semantics.c (emit_local_var): Likewise.
3962 * calls.c (expand_call): Likewise.
3963 * dbxout.c (dbxout_symbol): Likewise.
3964 * emit-rtl.c (unshare_all_rtl): Likewise.
3965 (unshare_all_decls): Likewise.
3966 (reset_used_decls): Likewise.
3967 * expr.c (store_constructor): Likewise.
3968 (safe_from_p): Likewise.
3969 (expand_expr): Likewise.
3970 * function.c (put_var_into_stack): Likewise.
3971 (instantiate_decls_1): Likewise.
3972 (assign_parms): Likewise.
3973 (expand_function_start): Likewise.
3974 (expand_function_end): Likewise.
3975 * ggc-common.c (gcc_mark_trees): Likewise.
3976 * integrate.c (function_cannot_inline_p): Likewise.
3977 (copy_decl_for_inlining): Likewise.
3978 (expand_inline_function): Likewise.
3979 (integrate_parm_decls): Likewise.
3980 (integrate_decl_tree): Likewise.
3981 * print-tree.c (print_node): Likewise.
3982 * reg-stack.c (stack_result): Likewise.
3983 * stmt.c (label_rtx): Likewise.
3984 (expand_return): Likewise.
3985 (expand_decl): Likewise.
3986 (expand_decl_cleanup): Likewise.
3987 (expand_anon_union_decl): Likewise.
3988 * toplev.c (check_global_declarations): Likewise.
3989 (rest_of_decl_compilation): Likewise.
3990 * tree.c (simple_cst_equal): Likewise.
3991 * objc/objc-act.c (generate_static_references): Likewise.
3993 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3995 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3996 gcc_AC_C_FLOAT_FORMAT): New macros.
3997 * configure.in: Add AC_PROG_CPP after CC tests;
3998 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3999 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4000 * configure, config.in: Regenerate.
4002 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4003 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4004 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4005 config/i370/xm-linux.h, config/i370/xm-oe.h,
4006 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4007 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4008 config/pa/xm-linux.h, config/pa/xm-pa.h,
4009 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4010 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4011 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4012 config/we32k/xm-we32k.h: Delete.
4014 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4015 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4016 config/vax/xm-vms.h: Don't define any of:
4017 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4019 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4021 * config.gcc: Remove references to deleted files.
4022 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4023 FATAL_EXIT_CODE, which is the same between oe and mvs).
4025 2001-03-14 DJ Delorie <dj@redhat.com>
4026 Vladimir Makarov <vmakarov@redhat.com>
4028 * config/i960/i960.c (i960_function_prologue): Compute size of
4029 frame according to number of registers actually saved there.
4031 2001-03-14 Richard Henderson <rth@redhat.com>
4033 * expr.c (emit_move_insn_1): Fix else if around #endif.
4035 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4038 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4041 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4043 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4044 (override_options): Parse cmodel string.
4045 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4046 * i386.h (TARGET_OPTIONS): Add "cmodel".
4047 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4049 (ix86_cmodel_string, ix86_cmodel): Declare.
4051 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4054 * i386.h (GENERAL_REG_P): Add missing REG_P.
4056 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4058 * configure.in: Use $gcc_cv_as instead of $as.
4059 * configure: Regenerated.
4061 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4063 * cppfiles.c (stack_include_file): Only increase the include
4064 count if we actually process the file properly, as opposed
4065 to treating it as length zero. Only call read_include_file
4066 if not DO_NOT_REREAD. Handle the -H include file output
4068 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4069 (cpp_included, find_include_file): Simplify pathnames after
4070 remapping them. If remapping, don't use the remapped file
4071 name's buffer as our scratch buffer.
4072 (cpp_pop_file_buffer): Replace the multiple include macro
4073 only if it isn't yet set.
4074 (read_name_map): Simplify remapped names when reading in.
4075 (remap_filename): Move code to code path that uses it.
4076 (_cpp_simplify_pathname): Return the input pointer.
4077 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4079 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4081 * expr.c (expand_expr): Revove bogus conditional.
4083 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4085 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4087 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4089 * reg-stack.c (stack_result): Unconditionally use
4090 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4092 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4094 * expr.c (emit_move_insn_1): Split push of complex value when
4095 no suitable push instruction exist.
4097 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4098 instead of QI_REG_P.
4100 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4102 * alias.c (handled_component_p, can_address_p): New functions.
4103 (get_alias_set): Use them.
4105 2001-03-13 Jim Wilson <wilson@redhat.com>
4107 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4108 from 80 in try_locals code.
4109 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4111 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4113 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4114 gcc_AC_C_LONG_LONG): New.
4115 * configure.in: Use them. Probe the size of short, int, long,
4116 and long long/__int64 if we have them. Move all the AC_C_*
4117 checks together, except gcc_AC_C_CHAR_BIT which has to go
4118 after AC_CHECK_HEADERS(limits.h).
4119 Take hwint.h out of host_xm_file and build_xm_file.
4121 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4122 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4123 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4124 Move the HOST_WIDEST_INT setup logic here from system.h.
4125 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4127 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4128 is now handled by hwint.h.
4130 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4131 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4132 config/ia64/xm-ia64.h: Don't define any of:
4133 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4134 HOST_BITS_PER_LONGLONG.
4136 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4137 config/h8300/xm-h8300.h, config/mips/iris6.h,
4138 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4139 config/sparc/xm-sp64.h: Delete.
4140 * config.gcc: Remove references to deleted files.
4142 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4143 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4144 * config/i370/xm-linux.h: Clarify floating-point situation in
4147 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4149 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4150 (find_include_file): Decide here which part of the include
4151 chain to start the search. Complain about an empty include
4152 chain in all cases apart from an abolsute file name.
4153 (_cpp_execute_include): Don't choose the search chain here.
4154 Don't call handle_missing_include in the case of an empty
4156 (_cpp_compare_file_date): Don't choose the search chain here.
4157 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4158 here from _cpp_execute_include. Behave like #include if
4159 we're in the main file.
4161 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4163 * system.h (malloc, realloc, calloc, strdup): Only poison these
4164 tokens when IN_GCC is defined.
4166 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4168 * i386.md (abs?f expander): Support SSE case.
4169 (abd?f_if): Add new "USE"; add splitters.
4171 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4173 * cpp.texi (poison): Explain the macro expansion exception.
4175 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4177 * expr.c (store_expr): Add dont_store_target. If temp is already in
4178 target before copying to reg, don't store it into target again.
4180 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4182 * cppinternals.texi: Update for file handling.
4184 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4186 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4187 2001-02-24 which broke building the Java library.
4188 * function.c (identify_blocks): Likewise.
4189 (all_blocks): Likewise.
4190 * integrate.c (integrate_decl_tree): Likewise.
4191 * print-tree.c (print_node): Likewise.
4192 * tree.h (BLOCK_NUMBER): Likewise.
4193 (struct tree_block): Likewise.
4195 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4197 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4198 __WCHAR_TYPE__ definition.
4199 (WCHAR_TYPE_SIZE): #undef before #define.
4201 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4203 * cppfiles.c: Update comments.
4204 (destroy_include_file_node): Rename destroy_node.
4205 (find_or_create_entry): New function.
4206 (open_file, _cpp_fake_include): Use it.
4207 (handle_missing_header): New function, broken out of
4208 _cpp_execute include. Don't segfault if there is no
4209 system or quoted path.
4210 (_cpp_execute_include): Use handle_missing_header.
4212 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4214 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4215 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4217 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4219 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4220 unless anti_dependence says they are.
4221 * alias.c (objects_must_conflict): If neither has a type specified,
4224 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4225 David Billinghurst <David.Billinghurst@riotinto.com>
4227 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4229 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4231 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4232 (*_one_bit): Remove type on the match_operand in attributes.
4234 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4236 * i386.c: Commit forgotten hunk in previous patch.
4237 (regclass_map): Add extended registers.
4238 (dbx_register_map): Add missing frame register.
4240 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4242 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4244 * i386.md (x86_sahf_1): Disable for 64bit.
4245 (popsi*, pophi*): Likewise.
4246 (pushqi, pushhi): Likewise.
4247 (movdi, pushdi): Likewise.
4248 (zero extend DImode splitter): Likewise.
4249 (adddi, minusdi splitter): Likewise.
4250 (umulsidi): Likewise.
4252 (mulsidi): Disable for 64bit
4253 (lshift:DI/ashift:DI): Disable for 64bit.
4254 (loop patterns): Likewise.
4255 (call_pop, call_value_pop expanders and patterns): Likewise.
4256 (prologue_get_pc): Likewise.
4258 (fcmovDI pattern and splitter): Likewise.
4259 (movdfcc_1_rex64): New.
4261 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4263 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4264 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4265 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4266 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4267 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4268 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4269 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4270 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4271 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4272 (REGPARM_MAX): Set to 6 for x86_64.
4273 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4274 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4277 * (patterns that does use upper halves): Update constraints
4278 'q' to 'Q' and 'r' to 'R'.
4279 (cmpqi_ext_1): Disable for 64bit.
4280 (cmpqi_ext_3_insn): Likewise.
4281 (movqi_extzv_1): Likewsie.
4282 (addqi_ext_1): Liekwsie
4283 (testqi_ext_1): Liekwsie
4284 (andqi_ext_1): Liekwsie
4285 (xorqi_ext_1): Liekwsie
4286 (cmpqi_ext_1_rex64): New.
4287 (cmpqi_ext_3_insn_rex64): Likewise.
4288 (movqi_extzv_1_rex64): Likewsie.
4289 (addqi_ext_1_rex64): Liekwsie
4290 (testqi_ext_1_rex64): Liekwsie
4291 (andqi_ext_1_rex64): Liekwsie
4292 (xorqi_ext_1_rex64): Liekwsie
4294 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4296 * configure.in: Move check for unsigned enumerated bitfields
4297 to macro in aclocal.m4. Disable it for now.
4298 * configure, config.in: Regenerate.
4299 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4300 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4301 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4302 kind above its first use.
4304 * config/xm-interix.h, config/alpha/xm-alpha.h,
4305 config/i370/xm-linux.h, config/i386/xm-beos.h,
4306 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4307 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4308 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
4309 Don't define ONLY_INT_FIELDS under any circumstances.
4311 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4313 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4314 config/sparc/xm-sysv4.h: Delete - now identical with some
4316 * config.gcc (hppa targets): Replace xm-pahpux.h and
4317 xm-papro.h with implicit xm-pa.h.
4318 (sparc targets): Replace xm-sysv4.h with implicit or explicit
4321 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4323 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4324 before reload_cse_noop_set_p.
4326 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4328 * config.gcc: Where xm-host.h used to include another
4329 xm-host.h, list the nested header directly in xm_file. Remove
4330 references to deleted files. Can now use sparc/xm-sp64.h for
4333 * config/xm-linux.h, config/arm/xm-linux.h,
4334 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4335 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4336 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4337 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4338 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4341 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4342 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4343 bother to wrap #undef in #ifdef.
4344 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4345 Don't include xm-linux.h.
4346 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4348 * configure.in: Wrap regexps using [] in changequote block.
4349 Use expr : not echo | grep. Simplify regexps.
4350 * configure: Regenerate.
4352 56 xm-files remain, 22 xm-arch.
4354 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4356 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4357 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4358 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4359 (copy_object): Fix format specifier vs argument mismatch.
4361 * mips-tdump.c: Make local functions static.
4362 (rindex): Don't #undef.
4363 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4364 (fatal, fancy_abort): Delete.
4365 (read_seek): Avoid signed/unsigned compare.
4367 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4369 * combine.c (try_combine): Fix error in change to try original
4371 (gen_rtx_combine): Do same as gen_rtx for now.
4373 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4375 * configure.in: AC_SUBST xm_defines.
4376 * configure: Regenerate.
4377 * Makefile.in: Set DEFINES=$(xm_defines) when building
4380 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4382 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4383 (cpp_included, find_include_file): Update.
4384 (_cpp_compare_file_date): Make else unconditional.
4386 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4388 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4390 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4392 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4393 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4395 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4397 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4398 if it's a record type.
4400 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4402 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4403 mingw includes slightly.
4405 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4407 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4408 #undef token before poisoning it.
4410 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4412 * alpha.c (check_float_value): Use memcpy, not bcopy.
4414 * m32r.c (m32r_sched_reorder): Likewise.
4416 * vax.c (check_float_value): Likewise.
4418 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4420 * toplev.c (file_name_nondirectory): Remove.
4421 * toplev.h: Similarly.
4422 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4423 of file_name_nondirectory.
4425 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4427 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4428 * mips-tfile.c: Don't #undef rindex; not used.
4430 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4432 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4433 (dbx64_register_map): Declare.
4434 (RETURN_ADDR_RTX): Fix for 64bit.
4435 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4436 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4437 * i386.c (dbx64_register_map): New global array.
4438 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4439 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4442 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4444 * cppfiles.c (search_from): Use lbasename.
4445 * mkdeps.c (deps_add_default_target): Use lbasename.
4447 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4449 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4450 xcalloc in lieu of malloc, realloc & calloc.
4452 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4454 * gengenrtl.c (xmalloc): Likewise.
4456 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4457 really_call_* memory allocation routines.
4459 * stmt.c (check_for_full_enumeration_handling): Use
4460 really_call_calloc, not calloc.
4462 * system.h (really_call_malloc, really_call_calloc,
4463 really_call_realloc): Define.
4464 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4466 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4468 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4470 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4472 * configure: Rebuilt.
4473 * configure.in: Only use `lang_requires' for languages athat are
4476 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4478 * invoke.texi: Fix typo.
4479 * gcc.1: Regenerate.
4481 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4483 * configure.in: Prune nonexistent files from build_xm_file,
4484 xm_file, and host_xm_file lists. Warn unless they're
4486 Don't generate *config.h here.
4487 AC_SUBST all variables needed to generate *config.h.
4488 * configure: Regenerate.
4489 * mkconfig.sh: New helper script, from code removed from
4491 * Makefile.in: Zap all MALLOC variables - no longer used
4492 anywhere, and malloc.c doesn't exist.
4493 Substitute in variables needed to generate *config.h.
4494 Stop lying about the dependencies contained in CONFIG_H and
4496 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4497 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4498 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4499 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4500 $(TM_P_H), etc. as appropriate.
4502 * config.gcc: Zap references to deleted files.
4503 * ggc-none.c: Don't include rtl.h or tm_p.h.
4505 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4506 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4507 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4508 config/i386/xm-linux.h, config/i386/xm-linux.h,
4509 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4510 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4511 Don't include i386/xm-i386.h.
4513 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4514 config/i386/xm-i386.h, config/i860/xm-i860.h,
4515 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4516 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4517 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4518 Delete (empty except comments, #includes of other deleted
4519 files, and macros used nowhere).
4521 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4523 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4524 independent on TARGET_FLAGS.
4526 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4528 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4530 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4532 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4534 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4535 LAST_REX_SSE_REG): define.
4536 (enum reg_class): Add 'LEGACY_REGS'
4537 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4538 (SSE_REGNO_P): Recognize extended registers.
4539 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4540 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4541 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4542 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4543 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4544 REG_OK_FOR_STRREG_P): Remove.
4545 (HI_REGISTER_NAMES): Add extended registers.
4546 (ADDITIONAL_REGISTER_NAMES): Likewise.
4547 (QI_REGISTER_NAMES): Add 8bit extended registers.
4548 (DEBUG_REG): Support extended registers.
4549 * i386.c (regclass_map): Add extended registers.
4550 (dbx_register-map): Likewise.
4551 (svr4_dbx_register_map): Likewise.
4552 (print_reg): Support extended registers.
4553 (print_operand): Support 64bit operands.
4555 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4557 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4558 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4559 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4560 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4561 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4562 STACK_BOUNDARY): Set properly for 64bits.
4563 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4564 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4565 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4566 (MOVE_MAX): Set to 16.
4567 (MOVE_MAX_PIECES): 8 for 64bit.
4568 (Pmode): Set to SImode.
4570 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4572 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4574 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4576 * i386.h (mask_64bit): New constant.
4577 (target_64bit): New macro.
4578 (target_options): Add '64'/'32'
4579 (target_default): Define.
4580 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4581 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4582 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4584 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4586 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4588 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4590 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4591 LO_SUM unless for_alias is set.
4593 2001-03-08 Stan Shebs <shebs@apple.com>
4595 * objc/objc-act.c: Fix old typos in comments, add comments for
4597 (hash_init): Fix file name in error message.
4598 (hash_enter): Ditto.
4599 (hash_add_attr): Ditto.
4600 (continue_class): Ditto.
4602 2001-03-08 Bruce Korb <bkorb@gnu.org>
4604 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4605 wait4() can receive the signal.
4607 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4609 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4611 * fixinc/fixincl.x: Regenerate.
4613 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4615 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4617 * fixinc/fixincl.x: Regenerate.
4619 2001-03-08 Richard Henderson <rth@redhat.com>
4621 * configure.in (HAVE_AS_LEB128): New assembler check.
4622 * configure, config.in: Rebuilt.
4624 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4626 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4629 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4631 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4632 references to the MAXPATHLEN macro.
4634 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4635 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4638 * config/i386/xm-gnu.h, config/xm-gnu.h,
4639 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4640 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4641 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4642 and/or unused files.
4644 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4645 doing so in various xm-*.h files.
4647 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4649 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4651 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4653 * configure.in (enable_shared): Support per-package shared-library
4655 * configure: Rebuilt.
4657 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4659 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4660 for crnot. Set operands[5] in splitter.
4662 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4664 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4665 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4666 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4667 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4668 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4669 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4670 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4673 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4674 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4675 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4676 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4677 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4678 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4679 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4680 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4681 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4682 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4683 Delete unused and/or empty files.
4685 * config.gcc: Define USG in xm_defines as appropriate. Define
4686 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4687 macro. Remove deleted xm-* files from $xm_files variable.
4689 2001-03-07 Tom Tromey <tromey@redhat.com>
4691 * configure: Rebuilt.
4692 * configure.in: Allow config-lang.in to set `lang_requires' to list
4693 of other required languages.
4695 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4697 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4699 (output_prologue): Use xmalloc not oballoc.
4700 (output_epilog): Free a29k_first_epilogue_insn when finished.
4701 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4703 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4705 * builtins.c (expand_builtin_mathfn): Check
4706 flag_unsafe_math_optimizations, not flag_fast_math.
4707 (expand_builtin): Likewise
4708 * combine.c (combine_simplify_rtx): Likewise.
4709 (simplify_if_then_else): Likewise.
4710 * cse.c (fold_rtx): Likewise.
4711 * flags.h: Remove flag_fast_math. Add
4712 flag_unsafe_math_optimizations and flag_trapping_math.
4713 * fold-const.c (negate_expr): Check
4714 flag_unsafe_math_optimizations, not flag_fast_math.
4715 (invert_truthvalue): Likewise.
4716 (fold): Likewise. Before associating operands, check that
4717 code == MULT_EXPR, not code != MULT_EXPR.
4718 * ifcvt.c (noce_try_minmax): Check
4719 flag_unsafe_math_optimizations, not flag_fast_math.
4720 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4721 * invoke.texi: Document -funsafe-math-optimizations and
4722 -fno-trapping-math. Change documentation for -ffast-math.
4723 * jump.c (reversed_comparison_code_parts): Likewise.
4724 (rtx_equal_for_thread_p): Likewise.
4725 * optabs.c (emit_conditional_move): Likewise.
4726 * simplify-rtx.c (simplify_binary_operation): Likewise.
4727 (simplify_relational_operation): Likewise.
4728 (simplify_ternary_operation): Likewise.
4729 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4730 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4731 Add trapping-math and unsafe-math-optimizations entries to f_options.
4732 (set_fast_math_flags): New, sets flags for -ffast-math.
4733 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4734 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4735 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4737 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4738 (alpha_emit_conditional_move): Initialize local_fast_math to
4739 flag_unsafe_math_optimizations, not flat_fast_math.
4740 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4741 instead of setting flag_fast_math to 1.
4742 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4744 * config/i386/i386.c (override_options): Likewise
4745 * config/i386/i386.md: Likewise.
4746 * config/m68k/m68k.md: Likewise.
4747 * config/mips/mips.md: Likewise.
4748 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4749 (rs6000_generate_compare): Likewise.
4751 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4753 * Makefile.in: Set RANLIB to @RANLIB@.
4756 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4758 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4759 * fixinc/fixincl.x: Regenerated.
4761 2001-03-07 Richard Henderson <rth@redhat.com>
4763 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4765 2001-03-07 Richard Henderson <rth@redhat.com>
4767 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4768 of block notes and exception handling notes.
4770 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4771 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4772 (compile_file): ... here.
4774 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4776 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4778 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4779 config.h now. Include libiberty.h to handle alloca.
4781 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4783 * c-parse.in (yylexname): New function, split out of _yylex.
4784 (objc_rid_sans_at): New table.
4785 (init_reswords): Initialize it.
4786 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4787 retrieving the next token and checking it for significance as
4788 an ObjC keyword or string constant.
4790 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4791 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4793 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4796 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4798 * config/m68k/m68k.c (const_uint32_operand): Accept any
4799 const_int on a 32-bit host.
4801 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4803 * objc/objc-act.c (init_objc): Set save_lang_status,
4804 restore_lang_status, and mark_lang_status.
4806 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4808 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4810 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4812 * cppinternals.texi: Update.
4814 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4816 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4817 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4818 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4819 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4820 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4821 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4822 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4823 config/i386/xm-i386.h, config/i860/xm-i860.h,
4824 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4825 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4826 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4827 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4828 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4829 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4830 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4831 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4832 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4833 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4834 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4835 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4836 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4837 match the defaults provided in hwint.h.
4839 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4840 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4842 * config.gcc (xm_file): Don't set to files which are deleted.
4844 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4845 guard this file against these macros being undefined.
4847 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4849 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4850 and DECL_DEFER_OUTPUT on the decl we create, before calling
4851 rest_of_decl_compilation.
4853 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4855 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4857 * configure, config.in: Regenerate.
4858 * config.gcc: Remove references to deleted files.
4860 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4861 genrecog.c, rtl.c: Do not use alloca anywhere.
4863 * Makefile.in, build-make, system.h, config/x-interix,
4864 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4865 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4866 config/arc/xm-arc.h, config/arm/xm-arm.h,
4867 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4868 config/h8300/xm-h8300.h, config/i370/x-oe,
4869 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4870 config/i386/x-ncr3000, config/i386/x-sco5,
4871 config/i386/xm-dgux.h, config/i860/x-sysv4,
4872 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4873 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4874 config/m68k/x-hp320g, config/m69k/x-mot3300,
4875 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4876 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4877 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4878 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4879 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4880 config/mips/x-iris, config/mips/x-iris3,
4881 config/mips/x-sni-svr4, config/mips/x-sysv,
4882 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4883 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4884 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4885 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4886 config/pa/xm-papro.h, config/romp/xm-romp.h,
4887 config/rs6000/x-aix31, config/rs6000/x-aix41,
4888 config/rs6000/x-beos, config/rs6000/x-lynx,
4889 config/rs6000/x-mach, config/rs6000/x-rs6000,
4890 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4891 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4892 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4893 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4894 config/vax/xm-vms.h: Eradicate all references to alloca and
4897 * config/xm-alloca.h, config/clipper/x-clix,
4898 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4899 config/i860/x-sysv3, config/m88k/x-sysv3,
4900 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4901 (contained only alloca related hacks).
4903 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4906 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4908 * invoke.texi: Document __FAST_MATH__.
4910 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4912 * crtstuff.c: Restore include of auto-host.h.
4914 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4916 Put main() in a separate file, so that the language
4917 front-end can use a different main().
4920 * toplev.c: (main): Rename as toplev_main.
4921 * toplev.h: Declare toplev_main.
4922 * Makefile.in (OBJS): add toplev.o.
4923 (BACKEND): remove toplev.o, add main.o.
4925 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4927 * cppfiles.c (search_from): Special case the empty string.
4929 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4931 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4932 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4933 strlen or strcpy; we already know the length.
4934 (_cpp_compare_file_date): Similarly.
4935 * cpphash.h (struct cpp_reader): Delete done_initialising.
4936 (CPP_PREV_BUFFER): Delete.
4937 * cppinit.c (cpp_start_read): Don't set done_initialising.
4938 * cpplex.c (parse_string): Guarantee null-termination.
4939 (_cpp_equiv_toklists): Remove.
4940 * cpplib.c (glue_header_name): Null-terminate.
4941 (do_line): Don't leak memory.
4942 * cpplib.h (BT_WEAK): Delete.
4943 * cppmain.c (cb_ident): Strings are now null-terminated.
4945 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4947 * gcc.c (convert_filename): Append executable suffix
4948 if NO_AUTO_EXE_SUFFIX is not defined.
4949 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4950 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4952 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4954 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4955 * c-parse.gperf, c-gperf.h: Delete.
4956 (c-gperf.h was accidently re-added to the CVS repo in the rev
4957 1.16 commit by tromey)
4959 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4961 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4962 macro arguments when looking for the '('.
4963 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4964 2 when really parsing arguments; 1 when looking for '('.
4965 Always restore the lexer position.
4967 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4969 * longlong.h (umul_ppmm): Don't use a multiline string.
4971 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4973 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4974 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4975 t_bool in declaration because pcc can't combine volatile with typedef
4978 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4980 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4981 until when it is really needed.
4982 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4983 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4984 * i386.md (float?i?f splitter): Don't force source operand to memory
4986 (sse_movdfcc): Fix constraint.
4987 (sse_movdfcc splitter): Handle properly the second alternative.
4989 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4991 * cpplex.c (parse_string): Unconditionally pedwarn.
4993 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4996 * cppexp.c (parse_number): Update.
4997 * cpplex.c (parse_string): Pedwarn if multiline string does not
4998 result from a system header's macro.
4999 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5000 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5001 for function-like macros too.
5002 * c-lex.c (lex_number): Update.
5004 2001-03-03 Richard Henderson <rth@redhat.com>
5006 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5008 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5010 * combine.c (try_combine): If split with mode-changed scratch
5011 register didn't work, try the original mode.
5013 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5015 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5016 * config/c4x/c4x.h: Likewise.
5017 * stor-layout.c (compute_record_mode): Likewise.
5018 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5020 2001-03-02 Zack Weinberg <zackw@stanford.edu>
5022 * configure.in: Kill tm.h. Include the files in the $tm_file
5023 list in all three of config.h, hconfig.h, tconfig.h, after the
5024 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5025 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5026 * configure: Regenerate.
5027 * Makefile.in (clean): Don't delete tm.h.
5029 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5030 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5031 those are not defined, set SEC and FEC to 0 and 1.
5032 * gcc.texi: Update to match.
5034 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5035 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5036 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5037 Include tconfig.h, not tm.h.
5039 * config/xm-lynx.h, config/xm-std32.h,
5040 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5041 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5042 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5043 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5044 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5045 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5046 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5047 config/i386/xm-i386.h, config/i860/xm-i860.h,
5048 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5049 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5050 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5051 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5052 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5053 config/pa/xm-linux.h, config/pa/xm-pa.h,
5054 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5055 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5056 config/pj/xm-pj.h, config/romp/xm-romp.h,
5057 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5058 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5059 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5060 config/v850/xm-v850.h, config/vax/xm-vax.h,
5061 config/we32k/xm-we32k.h:
5063 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5065 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5066 config/i370/xm-oe.h: Don't include tm.h. Don't define
5068 * config/vax/xm-vms.h: Don't include tm.h.
5070 * config/xm-lynx.h, config/avr/xm-avr.h,
5071 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5072 Delete; made empty by above changes.
5073 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5074 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5075 Don't include config/xm-lynx.h or tm.h.
5077 * config/xm-gnu.h: Don't include fcntl.h.
5078 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5080 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5082 2001-03-02 Richard Henderson <rth@redhat.com>
5084 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5085 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5087 2001-03-02 Richard Henderson <rth@redhat.com>
5089 * Makefile.in (OBJS): Add dwarf2asm.o.
5090 * dwarf2asm.c, dwarf2asm.h: New files.
5091 * dwarf2out.c (*): Use them.
5092 (size_of_uleb128, size_of_sleb128): Remove.
5093 (output_uleb128, output_sleb128): Remove.
5094 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5095 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5096 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5097 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5098 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5099 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5100 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5101 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5102 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5103 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5104 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5105 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5106 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5107 (dwarf2out_frame_debug): Remove unused variables.
5108 (output_loc_operands): Don't abort on 8 byte constants if
5109 host integers are wide enough.
5110 (output_symbolic_ref): Remove.
5111 (size_of_die): Don't assume 4 byte host integers.
5112 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5114 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5115 something stupid with HOST_WIDE_INT to long truncation.
5116 [CONST_DOUBLE]: Likewise.
5118 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5119 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5120 * config/arm/unknown-elf.h: Likewise.
5121 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5122 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5123 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5124 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5125 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5126 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5127 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5128 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5129 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5130 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5131 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5132 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5134 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5136 * cselib.c (hash_rtx): Cast enums to unsigned int.
5138 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5140 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5141 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5143 * c-format.c (C_STD_VER): Cast to int for comparisons.
5144 (check_function_format): Cast various enums to int for &.
5145 (maybe_read_dollar_number): Likewise.
5146 (check_format_info): Likewise.
5147 (check_format_info_main): Likewise.
5148 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5149 (safe_from_p): Likewise.
5150 * varasm.c (const_hash): Cast enum to int for %.
5151 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5152 pcc enum problems with < and ++ operators.
5153 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5154 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5155 (regclass_init): Change enum class to int to iterate over reg_classes.
5156 * genrecog.c (merge_trees): Cast enums for comparison.
5157 * rtl.h (GET_CODE): Cast to enum rtx_code.
5158 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5159 (GET_MODE): Cast to enum machine_mode.
5160 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5161 (GET_NOTE_INSN_NAME): Cast enum to int.
5162 * tree.h (TREE_CODE): Cast to enum tree_code.
5163 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5164 * timevar.c (timevar_print): Change loop variable id from enum to
5166 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5167 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5168 * toplev.c (compile_file): Cast enum DFI to int.
5169 (decode_d_option): Likewise.
5171 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5173 * cppinit.c (append_include_chain): Mark "after" include file name list
5174 as a system directory.
5175 * cpp.texi: Document new behavior.
5177 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5179 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5181 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5183 * cppfiles.c (struct include_file): Update.
5184 (stack_include_file): Use search_from.
5185 (cpp_included, find_include_file): Update.
5186 (cpp_execute_include): Update. ptr->name may not be
5187 null terminated. Use the new search_from member variable
5189 (_cpp_compare_file_date): Similarly.
5190 (search_from): New function, similiar to actual_directory.
5191 (actual_directory): Delete.
5192 (remap_filename): Update. loc->name may not be null terminated.
5193 (struct file_name_list): Rename search_path. Update.
5194 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5195 search_from and dir.
5196 (struct cpp_reader): Remove actual_dirs.
5197 * cppinit.c (struct cpp_pending): Update for renamed objects.
5198 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5199 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5200 * cpplib.h (struct cpp_options): Similarly.
5202 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5204 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5205 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5206 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5207 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5208 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5209 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5210 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5211 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5212 config/i370/xm-oe.h, config/i386/xm-aix.h,
5213 config/i386/xm-i386.h, config/i386/xm-osf.h,
5214 config/i860/xm-i860.h, config/i960/xm-i960.h,
5215 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5216 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5217 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5218 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5219 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5220 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5221 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5222 config/pj/xm-pj.h, config/romp/xm-romp.h,
5223 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5224 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5225 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5226 config/v850/xm-v850.h, config/vax/xm-vax.h,
5227 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5228 Do not define TRUE or FALSE.
5230 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5231 empty by above change.
5232 * config.gcc: Remove references to these files.
5234 * configure.in: Detect stdbool.h.
5235 * configure, config.in: Regenerate.
5236 * system.h: Include stddef.h here if available.
5237 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5238 Then set up a sensible boolean type at the very end.
5240 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5241 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5243 * hash.h: Delete 'boolean' typedef and related #undefs.
5245 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5246 all uses of 'boolean' with 'bool'.
5248 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5250 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5251 * cppexp.c (lex): Cast enums for comparison.
5252 * cppinit.c (parse_option): Cast enum for comparison.
5253 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5254 (cpp_output_token): Likewise.
5255 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5256 (cpp_avoid_paste): Cast enums for minus and comparison.
5258 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5260 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5261 field to all array elements.
5263 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5265 * cpphash.h (struct cpp_reader): Add print_version field.
5266 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5267 just set print_version and other flags as appropriate.
5268 (cpp_post_options): Print version here if print_version is set.
5270 * toplev.c (exit_after_options): New flag.
5271 (independent_decode_option): Don't exit here; just set
5273 (main): Exit after calling lang_hooks.post_options if
5274 exit_after_options is true.
5276 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5277 (merge_include_chains): Adjust comment to match code.
5279 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5281 * stringpool.c (set_identifier): New function.
5282 * tree.h: Prototype it.
5284 * c-parse.in: Kill D_YES. If compiled for objc, call
5285 save_and_forget_protocol_qualifiers from init_reswords.
5286 * objc/objc-act.c (remember_protocol_qualifiers,
5287 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5288 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5290 (save_and_forget_protocol_qualifiers): New function.
5291 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5293 2001-03-01 Diego Novillo <dnovillo@redhat.com>
5295 * c-semantics.c (prune_unused_decls): Return error_mark_node
5296 instead of (tree) 1 to stop traversing the tree chain.
5298 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5300 Fix a problem introduced by Kenner's Feb 18 change.
5301 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5302 flag_cse_skip_blocks only temporarily, not for ever.
5304 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5306 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5307 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5309 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5310 before determining its register class.
5312 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5314 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5315 from reg 4 if current_function_calls_setjmp.
5316 (gen_nop_type): New function.
5317 (ia64_emit_nops): New function.
5318 (ia64_reorg): Call it.
5319 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5321 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5322 code not to try to optimize adds with anything but a REG destination.
5324 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5325 (INSN_PRIORITY_KNOWN): New accessor macro.
5326 * haifa-sched.c (priority): Use it instead of testing priority against
5329 2001-02-28 DJ Delorie <dj@redhat.com>
5331 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5332 since that doesn't work the way gcc wants on a generic m68k.
5334 2001-02-28 Richard Henderson <rth@redhat.com>
5336 * caller-save.c (save_call_clobbered_regs): Fix typo in
5337 comparison last change.
5339 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5341 * i386.c (pentium4_cost): New.
5342 (m_PENT4): New macro.
5343 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5344 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5345 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5346 x86_memory_mismatch_stall): Add Pentium4
5347 (x86_use_q_reg, x86_use_any_reg): Kill.
5348 (override_options): Add pentium4.
5349 (incdec_operand): Return 0 for pentium4.
5350 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5351 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5352 (TARGET_PENTIUM4): Define.
5353 (enum processor_type): Add PROCESSOR_PENTIUM4.
5354 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5355 * i386.md (attribute "cpu"): Add pentium4.
5356 * invoke.texi (march): Add pentium4.
5358 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5360 * i386.md (sse_mov?fcc*): New patterns and splitters.
5361 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5362 the SSE based conditional moves.
5364 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5366 * i386.md (attribute mode): Add "TI".
5367 (movsf_1): Add pxor support; remove constant propagation splitter.
5368 (movdf_integer): Likewise.
5369 (movdf_nointeger): Likewise.
5370 (movxf constant prop splitter): Handle all modes; update for SSE.
5371 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5372 * i386.c (standard_80387_constant_p): Rewrite.
5373 (standard_sse_constant_p): New.
5374 * i386-protos.h (standard_sse_constant_p): New.
5376 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5378 * i386.md (sse_setccsf, sse_setccdf): New.
5379 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5381 * i386.c (sse_comparison_operator): Accept the supported unordered
5382 comparses; be ready for fast_math.
5383 (print_operand): Support 'D'.
5385 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5387 * jump.c (reversed_comparison_code): Kill.
5389 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5391 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5394 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5396 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5397 add missing '%' in constraints.
5399 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5401 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5402 for HOST_BITS_PER_WIDE_INT == 32 too.
5404 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5406 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5408 (insert_save, insert_restore): New parameter save_mode.
5409 (init_caller_save): Update initialization of reg_save_code
5410 and reg_restore_code.
5411 (save_call_clobbered_regs): Compute save_modes and update calls to
5412 reg_save_code and reg_restore_code.
5413 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5414 of spill; update use of reg_restore_code.
5415 (insert_save): Likewise.
5416 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5417 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5418 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5420 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5422 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5423 noce_try_store_flag_inc, noce_try_store_flag_mask,
5424 noce_try_cmove_arith):
5425 Use reversed_comparison_code instead of reverse_comparison and
5426 can_reverse_comparison_p.
5428 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5430 * jump.c (reversed_comparison_code_parts): Allow reversal of
5431 unordered compares in -ffast-math mode; reverse ordered compares
5432 for FP even w/o -ffast-math.
5434 2001-02-27 Richard Henderson <rth@redhat.com>
5436 * print-rtl.c (print_rtx) [i]: Don't print field five on
5437 NOTEs other than NOTE_INSN_DELETED_LABEL.
5439 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5441 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5442 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5444 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5446 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5447 even if walk_subtrees is 0.
5448 * c-semantics.c (prune_unused_decls): Return a non-null value to
5449 stop traversing the tree chain.
5451 2001-02-27 DJ Delorie <dj@redhat.com>
5453 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5454 register, *then* define it as the new CFA.
5456 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5458 * pa.c (override_options): Promote -fpic to -fPIC.
5459 (legitimize_pic_address): Simplify due to removal of
5460 small PIC as a code generation option.
5461 (secondary_reload_class): Similarly.
5462 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5463 (PRINT_OPERAND_ADDRESS): Similarly.
5464 * pa.md (various patterns): Similarly.
5465 (small pic lo_sum pattern): Remove.
5467 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5470 * md.texi (min, max): Document
5472 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5474 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5475 TARGET_PARTIAL_REG_DEPENDENCY.
5476 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5478 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5480 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5482 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5484 * mips.c (mips_make_temp_file): Fix thinko in last change.
5486 2001-02-26 Jason Eckhardt <jle@redhat.com>
5488 * combine.c (known_cond): Do not reverse the condition when
5489 SMAX/UMAX is being considered and the condition is for equality
5492 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5494 2001-02-26 Philip Blundell <philb@gnu.org>
5496 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5498 * config/arm/linux-elf.h: Remove historical relics related to
5499 above configurations.
5500 * config/arm/linux-oldld.h: Delete.
5501 * config/arm/linux-elf26.h: Delete.
5503 2001-02-26 Jason Merrill <jason@redhat.com>
5505 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5507 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5508 recognize a tentative definition. Lose obsolete code.
5510 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5511 variables unless necessary, either.
5513 2001-02-25 Richard Henderson <rth@redhat.com>
5515 * ifcvt.c (struct noce_if_info): Add test_bb.
5516 (noce_get_alt_condition): New.
5517 (noce_try_minmax, noce_try_abs): New.
5518 (noce_operand_ok): New.
5519 (noce_process_if_block): Use them.
5520 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5522 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5524 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5527 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5529 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5530 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5532 (mips_asm_file_end): Free temp_filename here.
5534 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5536 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5537 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5539 * config/i386/i386.md (movstrsi): Handle FAIL case.
5541 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5543 * cppinit.c (builtin_array): Update.
5544 (init_builtins): Flag builtins to warn if redefined or
5545 undefined. Define __GXX_WEAK as a normal macro.
5546 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5547 * cpplib.h (NODE_WARN): New flag.
5548 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5549 Handle __STDC__ as a builtin only on Solaris.
5550 (warn_of_redefinition): Renamed from check_macro_definition.
5551 Reverse sense of test. Always warn if NODE_WARN.
5552 (_cpp_create_definition): Use warn_of_redefinition. Flag
5553 any macro beginning with "__STDC_" to require a mandatory
5554 warning if redefined or undefined.
5556 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5558 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5559 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5560 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5561 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5562 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5563 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5564 Don't define any of:
5565 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5566 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5567 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5568 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5569 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5571 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5572 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5575 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5576 Delete now-empty file.
5578 * alpha/vms.h: Define NEED_ATEXIT here...
5579 * alpha/xm-vms.h: ...not here.
5581 * i386/cygwin.h: Don't define PARAMS.
5582 * mips/mips.c: Don't prototype mktemp. Don't define
5583 P_tmpdir. Use make_temp_file to create temporary files.
5584 Don't be clever and delete temporary files early.
5585 * config.gcc: Drop references to deleted files. Don't define
5587 * gcc.texi: Don't mention USE_PROTOTYPES.
5589 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5591 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5592 (ix86_set_move_mem_attrs_1): Likewise.
5593 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5594 * config/i386/i386.md (movstrsi): Call it.
5596 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5598 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5599 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5600 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5601 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5603 (i750a-*-*): Error here if hosting on i750a.
5604 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5606 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5607 Remove (empty modulo comments).
5609 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5610 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5611 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5612 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5613 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5614 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5616 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5617 Remove reference to winnt.h in comment.
5618 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5620 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5622 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5623 used to set another biv.
5625 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5627 * tree.h (BLOCK_DEAD): New macro.
5628 (struct tree_block): New flag, dead_flag.
5629 * print-tree.c (print_node, case 'b'): Print missing fields.
5630 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5631 * function.c (identify_blocks): Enable test for misplaced notes.
5632 (all_blocks): Skip BLOCK_DEAD blocks.
5633 * integrate.c (integrate_decl_tree): Likewise.
5635 * errors.c (internal_error, trim_filename): New functions.
5636 (fancy_abort): Call internal_error.
5637 * errors.h (internal_error, trim_filename): New declarations.
5639 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5641 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5643 (EXTRA_CONSTRAINT): Formatting changes.
5645 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5647 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5649 2001-02-23 Per Bothner <per@bothner.com>
5651 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5652 so they can be called from java/jvspec.c.
5653 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5655 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5657 * i386.c (ix86_frame): New structure.
5658 (ix86_compute_frame_size): Kill.
5659 (ix86_compute_frame_layout): New.
5660 (ix86_save_reg): New.
5661 (ix86_can_use_return_insn_p): Use frame layout stuff.
5662 (ix86_expand_prologue): Likewise.
5663 (ix86_expand_epilogue): Likewise.
5664 (ix86_initial_elimination_offset): Likewise.
5665 (ix86_nsaved_regs): Use ix86_save_reg.
5666 (ix86_emit_save_regs): Likewise.
5668 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5670 * flow.c (find_sub_basic_blocks): New function.
5671 (split_block): Be ready for basic block introduced by CODE_LABEL.
5672 (commit_one_edge_insertion): Call find_sub_basic_block.
5674 * flow.c (make_edges): Add edge from entry for blocks starting with
5675 label having ALTERNATE_NAME
5677 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5679 * function.c (epilogue_done): Be ready for first basic block not
5680 containing PROLOGUE_END note.
5681 (reposition_prologue_and_epilogue_notes): Avoid placing
5682 PROLOGUE_END note between BASIC_BLOCK.
5684 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5686 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5688 2001-02-21 DJ Delorie <dj@redhat.com>
5690 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5691 check for current_function_has_nonlocal_goto from 1999-11-12.
5693 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5695 * diagnostic.c (trim_filename): No longer static.
5696 * toplev.h (trim_filename): Declare.
5697 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5698 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5699 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5700 (rtvec_check_failed_bounds): Likewise.
5701 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5703 * convert.c (convert_to_integer): Don't do unsigned unless result or
5704 both inputs are unsigned.
5706 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5709 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5711 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5713 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5715 * Makefile.in (resource.o): Add params.h dependence.
5716 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5717 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5718 * resource.c: Add dependence on params.h.
5719 (current_live_regs): Fix explanatory comment.
5720 (find_basic_block): Add new parameter to permit limiting search
5722 (mark_target_live_regs): Add new argument to find_basic_block call.
5723 (incr_ticks_for_insn): Likewise.
5725 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5727 * diagnostic.c (output_to_stream): Rename to
5728 output_buffer_to_stream. Loses the stream parameter.
5729 (init_output_buffer): Set diagnosic_buffer's stream.
5730 (flush_diagnostic_buffer): Adjust.
5731 (default_print_error_function): Likewise.
5732 (finish_diagnostic): Likewise.
5733 (verbatim): Likewise.
5735 * diagnostic.h (struct output_buffer): Add `stream' field.
5736 (output_buffer_attached_stream): New macro.
5738 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5740 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5741 check if either operand is divisible by C.
5742 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5743 If type is signed, consider negative numbers as well.
5745 2001-02-22 Richard Henderson <rth@redhat.com>
5747 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5748 reach .text instead of gp-relative relocs.
5749 * config/ia64/crtend.asm (.init): Likewise.
5751 2001-02-22 Andreas Jaeger <aj@suse.de>
5753 * extend.texi (C++ Attributes): Fix typo.
5755 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5757 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5758 functions, drop current_function_args_info.words test.
5759 (ia64_compute_frame_size): Mark syscall_linkage functions as
5760 using eight input registers.
5762 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5763 Bruce Korb <bkorb@gnu.org>
5765 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5766 * fixinc/README: Document how to convert sed substitutions
5767 to format style c_fix-es.
5768 * fixinc/fixincl.x: regen
5770 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5772 * gcc.c: Add comment explaining how to add a command-line option.
5773 Add title to specs language comment.
5775 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5777 * gcc.c (cc1_options): Add "-param".
5778 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5779 (option_map): Likewise.
5780 * toplev.c (display_help): Add entry for "--param".
5781 (independent_decode_option): Fix typographical error.
5783 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5784 Bernd Schmidt <bernds@redhat.com>
5785 Jan Hubicka <jh@suse.cz>
5787 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5788 (function_arg): Likewise.
5790 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5792 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5794 2001-02-21 Kazu Hirata <kazu@hxi.com>
5796 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5800 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5802 * flow.c (init_propagate_block_info): Canon address and use single_set
5803 for killing dead memory stores.
5805 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5807 * Makefile.in (reorg.o): Add params.h dependence.
5808 * params.def: Fix typographical error in comment.
5809 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5810 * params.h: Modify introductory comment.
5811 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5812 * reorg.c: Add dependence on params.h.
5813 (redundant_insn): Add parameterized throttle for search.
5814 (fill_simple_delay_slots): Add a comment explaining a variable.
5815 Move conditional out of loop, simplifying code.
5816 (fill_eager_delay_slots): Fix typographical error in comment.
5818 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5820 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5822 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5823 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5825 2001-02-21 Jason Merrill <jason@redhat.com>
5827 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5828 (struct tree_decl): Add uninlinable bitfield.
5829 * c-decl.c (duplicate_decls): Set it.
5830 * integrate.c (function_cannot_inline_p): Check it.
5832 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5833 DW_AT_MIPS_linkage_name to abstract methods.
5834 (dwarf2out_abstract_function): Emit class context before calling
5835 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5836 (gen_subprogram_die): Remove obsolete code.
5837 (gen_member_die): Don't include clones in the member list.
5838 (gen_decl_die): Emit abstract info for clone origin.
5839 * dwarfout.c (output_type): Don't include clones in the member list.
5840 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5841 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5842 DECL_ABSTRACT on a function that already has it set.
5844 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5845 (get_subprogram_die): Pass it in.
5847 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5849 * flow.c (mark_set_1): Make not_dead unsigned long. For
5850 non-pseudos, use it as a bitmask of the hard regs that
5853 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5855 * cppfiles.c: Update comments.
5856 (_cpp_read_file): Don't check for NULL filenames any more.
5857 * cppinit.c (cpp_start_read): Don't do canonicalization of
5858 in_fname and out_fname. Use the passed file name exclusively.
5859 (_cpp_handle_options): Don't treat "-" as a command line option,
5860 but as a normal filename.
5861 (_cpp_post_options): Canonicalize in_fname and out_fname.
5862 * cppmain.c (printer_init): Don't check out_fname for NULL.
5863 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5864 (init_c_lex): Update, and use "" to represent stdin to CPP.
5867 2001-02-20 Will Cohen <wcohen@redhat.com>
5869 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5870 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5871 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5874 2001-02-20 Stan Shebs <shebs@apple.com>
5876 * config/rs6000/rs6000.c (output_cbranch): Output branches
5877 on separate lines instead of using ';' to separate.
5879 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5881 * cppinit.c (set_lang): Move builtin handling to...
5882 (init_builtins): ...here.
5883 (_cpp_create_reader): Move call to set_lang.
5885 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5887 * stmt.c (expand_return): If an attempt is made to return the
5888 error_mar_node, treat the return like a return without a value.
5890 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5892 * sibcall.c (skip_copy_to_return_value): Call
5893 identify_call_return_value here, and return orig_insn if it
5894 returns zero. Hardret and softret arguments now unnecessary.
5895 (call_ends_block_p): Don't call identify_call_return_value here.
5897 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5899 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5900 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5902 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5904 * pa.c (move_operand): Accept code to load the address of a
5905 symbol out of the DLT as a valid move operand.
5906 (print_operand, case 'A'): New to handle generating a DLT
5907 reference for a LO_SUM expression.
5908 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5909 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5911 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5913 * README, cpp.texi, gcc.texi, version.c: Update version number to
5915 * cpp.1, gcov.1, gcc.1: Regenerate.
5917 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5919 * cppfiles.c (stack_include_file): Generate dependencies
5920 here, and manage include_count here too.
5921 (PRINT_THIS_DEP): Delete.
5922 (_cpp_execute_include): Do not generate dependencies here,
5923 apart from the case of a missing header. Do not manage
5925 (_cpp_read_file): Leave dependency generation to
5928 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5930 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5931 target_cpu_default. Remove dead assignment to
5934 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5936 * regclass.c (contains_reg_of_mode): Make global.
5937 (init_reg_sets): Remove contains_reg_of_mode; take into account
5938 CLASS_MAX_NREGS when looking for the proper mode.
5939 (dump_regclass): Dump only classes considered for the pseudo.
5940 (regclass): Use contains_reg_of_mode.
5942 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5944 * gcc.c (do_spec_1): 'n' for printing notices.
5945 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5947 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5949 * reg-stack.c (next_flags_user): Use current_block->end
5950 (swap_rtx_condition): Look for next user if flags don't die;
5951 give up on CALL_INSNs; use current_block->end.
5953 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5955 * sibcall.c (call_ends_block_p): New function.
5956 (optimize_sibling_and_tail_recursive_call): Use it.
5958 2001-02-18 Kazu Hirata <kazu@hxi.com>
5960 * config/h8300/h8300.md: Update copyright.
5961 (andsi3): Do not output an extra newline character.
5963 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5965 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5966 FNDECL may be unused.
5968 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5969 follow jumps after first run.
5970 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5971 it doesn't change any jumps.
5973 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5975 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5976 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5977 (mostlyclean): Corresponding changes.
5978 * rtlanal.c (hard-reg-set.h): Include.
5979 (rtx_unstable_p): Do not treat the argument pointer specially
5980 if it is not a fixed register.
5981 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5983 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5985 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5986 against last real insn in basic block.
5987 Rework to avoid gotos.
5989 * Makefile.in (gcse.o): Now includes ggc.h.
5990 * gcse.c: Include ggc.h.
5991 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5992 (try_replace_reg): Remove warning of uninitialize variable.
5993 (process_insert_insn): Call invalid_insn_p to validate insn.
5994 * recog.c (insn_invalid_p): Now global.
5995 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5996 * recog.h (insn_invalid_p): New declaration.
5998 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6000 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
6001 assignments from FP constants since 'Y' output code can't handle it.
6002 (eligible_for_sibcall_delay): Likewise.
6004 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6005 Call fancy_abort directly, passing args.
6006 (print_rtl_and_abort): Now a macro, like fancy_abort.
6008 * final.c (output_operand_lossage): Use internal_error, not error.
6010 2001-02-18 Shane Nay <shane@agendacomputing.com>
6012 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
6013 structure shift insns.
6015 2001-02-18 Mark Mitchell <mark@codesourcery.com>
6017 * invoke.texi (-fsquangle): Remove documentation.
6018 (-fname-mangling-version): Likewise.
6020 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
6022 * optabs.c (expand_abs): Remove reference to
6023 HAVE_contitional_arithmetic.
6024 * combine.c (simplify_set): Likewise.
6026 2001-02-18 Richard Henderson <rth@redhat.com>
6028 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6031 2001-02-18 Richard Henderson <rth@redhat.com>
6033 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6035 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6037 * reload1.c (reload_cse_simplify_set): Fix typo.
6039 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6041 * diagnostic.c (_fatal_insn): Decrement errorcount.
6043 * invoke.texi (-I): Add note avoiding use for system header files.
6045 * rtl.h (add_clobbers): Remove duplicate declaration.
6046 * recog.h (added_clobbers_hard_reg_p): New declaration.
6047 * genemit.c (struct clobber_pat): New field has_hard_reg.
6048 (gen_insn): Record if added clobbers clobber hard reg.
6049 (gen_split): Avoid unused warning if number of operands is 0.
6050 (output_added_clobbers_hard_reg_p): New function.
6053 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6055 * pa.c (hppa_expand_prologue): Simplify code storing return
6056 pointer. For large (>=8k) frames with a post_store, adjust stack
6057 pointer by 8k-64 first rather than by 64. When testing with
6058 VAL_14_BITS_P, always use the actual value rather than the value
6059 negated. Add blockage to prevent scheduling of spills before
6060 stack frame has been created.
6061 (hppa_expand_epilogue): Simplify code loading return pointer.
6062 Allow a slightly larger range for merge_sp_adjust_with_load case.
6063 When testing with VAL_14_BITS_P, always use the actual value.
6065 * pa.c (pa_adjust_insn_length): Check that block move
6066 pattern is a set before looking at operands.
6068 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6070 * fold-const.c (fold_binary_op_with_conditional_arg): New
6071 function, split out from ...
6073 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6074 conditional arms that throw exceptions.
6076 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6079 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6081 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6082 define HAVE_DECL_* to 1 to mask potential backup declarations.
6083 * configure: Regenerated.
6085 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6087 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6089 2001-02-17 Richard Henderson <rth@redhat.com>
6091 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6092 when replacing a memory load with a register.
6094 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6095 Jan Hubicka <jh@suse.cz>
6097 * recog.c (validate_replace_src_1): New.
6098 (validate_replace_src_data): Likewise.
6099 (validate_replace_src): Use note_uses.
6100 * rtl.h (note_uses): Declare.
6101 * rtlanal.c (note_uses): New.
6103 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6105 * reg-stack.c (stack_def): Make field reg unsigned.
6106 (remove_regno_note): Unsignetize parameter.
6108 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6110 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6111 shladd_operand() call.
6113 2001-02-16 Bruce Korb <bkorb@gnu.org>
6114 Rodney Brown <RodneyBrown@mynd.com>
6116 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6117 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6118 machine restrictions
6119 * fixinc/fixincl.x: regen
6121 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6123 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6125 (hash_scan_insn): Clean up calls to hash_scan_set.
6126 (compute_kill_rd): REGNO now unsigned.
6127 (try_replace_reg): Rework to use simplify_replace_rtx.
6128 (cprop_jump, cprop_cc0_jump): Likewise.
6129 (cprop_insn): Call find_reg_equal_equiv_note.
6130 Reflect changes to cprop_jump and cprop_cc0_jump.
6132 * recog.c (validate_replace_src): Replace in operands of
6133 ZERO_EXTRACT in SET_DEST.
6135 * cse.c (new_label_ref): New variable.
6136 (insert): Set it instead of recorded_label_ref.
6137 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6138 CODE_LABEL for this function, and not already in REG_LABEL note.
6140 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6142 * resource.c (mark_referenced_resources): Fix typo in introductory
6144 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6147 2001-02-16 Jason Merrill <jason@redhat.com>
6149 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6151 (gen_subprogram_die): Don't abort on seeing a second definition if
6152 the previous one was abstract. Don't replace an abstract instance
6153 in the lookup table.
6155 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6156 gen_abstract_function.
6157 * dwarf2out.h: Declare it.
6158 * toplev.c (note_outlining_of_inline_function): New fn.
6159 * toplev.h: Declare it.
6160 * integrate.c (output_inline_function): Call it.
6161 * c-decl.c (duplicate_decls): Call it when redefining an extern
6162 inline. Don't inline the new defn.
6164 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6166 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6168 * .gdbinit: Rename to gdbinit.in.
6169 * gdbinit.in: New file,
6170 * configure.in: Generate .gdbinit from gdbinit.in.
6171 * configure: Regenerated.
6172 * Makefile.in (distclean): Always remove .gdbinit.
6174 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6176 * objc/objc-act.c (start_class): Register implemented_classes with
6179 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6181 * cppfiles.c (_cpp_make_system_header): Generate a file
6184 2001-02-15 Jim Meyering <meyering@lucent.com>
6186 * Makefile.in (install-common): Don't depend on installdirs here.
6187 Instead, make each of the lang.install-common targets (e.g.,
6188 c++.install-common in cp/Make-lang.in) depend on it.
6189 (install-driver): Depend on installdirs.
6191 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6193 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6195 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6198 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6200 * invoke.texi (--param): Document.
6202 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6204 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6206 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6208 * i386.md (extendsfdf2_2): Fix constraints.
6210 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6212 * i386.md (fop_df_3 splitter): Fix operand number.
6214 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6216 * invoke.texi (-mreg-alloc): Nuke.
6217 * i386.c (ix86_reg_alloc_order, regs_allocated,
6218 order_regs_for_local_alloc): Nuke.
6219 (override_options): Kill reg_alloc code.
6220 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6221 (REG_ALLOC_ORDER): SSE goes before I387.
6222 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6223 (ix86_reg_alloc_order): Likewise.
6224 * i386-protos.h (ix86_reg_alloc_order): Kill.
6226 2001-02-14 Richard Henderson <rth@redhat.com>
6228 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6230 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6232 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6234 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6236 * i386-protos.h (ix86_memory_move_cost): Move offline.
6237 * i386.c (ix86_register_move_cost): Compute properly cost of
6238 SSE, MMX and i387 instructions.
6239 (*_cost): Add costs of SSE/MMX moves.
6240 (ix86_memory_move_cost): Move offline from ....; Likewise.
6241 * i386.h (MEMORY_MOVE_COST): .... here;
6242 (struct processor costs): Add new fields to represent costs
6245 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6247 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6248 move_cost together with Matt Kraai's fix.
6250 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6252 * Makefile.in (OBJS): Add params.o.
6254 2001-02-14 Richard Henderson <rth@redhat.com>
6255 DJ Delorie <dj@redhat.com>
6257 * jump.c (jump_optimize_1): When we delete a conditional jump
6258 preceeding a non-conditional jump to effectively the same place,
6259 make sure that the combined jump skips any clobber insns between
6262 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6264 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6266 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6268 * Makefile.in (toplev.o): Depend on params.h.
6269 (intergate.o): Likewise.
6270 (params.o): New target.
6271 * flags.h (inline_max_insns): Remove.
6272 * integrate.c: Include params.h.
6273 Use MAX_INLINE_INSNS instead of inline_max_insns.
6274 * params.c: New file.
6275 * params.h: Likewise.
6276 * params.def: Likewise.
6277 * toplev.c: Include params.h.
6278 (lang_independent_params): New variable.
6279 (decode_f_option): Use the param machinery instead of setting
6281 (independent_decode_option): Handle "--param name=value".
6282 (main): Register language-independent parameters.
6284 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6286 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6288 2001-02-14 Richard Henderson <rth@redhat.com>
6290 * regclass.c (init_reg_sets_1): Revert last two changes.
6292 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6294 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6295 (variable_size): Call put_pending_size.
6296 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6297 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6298 sizes list, put newly created SAVE_EXPR there as well.
6300 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6302 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6303 (errata_find_address_regs): load_group has only 2 entries.
6304 (errata_emit_nops): Likewise. shladd is not problematic.
6305 Clear last_group if nop was emitted.
6306 (fixup_errata): load_group has only 2 entries.
6309 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6311 * c-lex.c (lex_number): Only warn traditionally for U suffix
6312 outside system macros.
6313 * cppexp.c (parse_number): Similarly.
6314 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6315 * cppmacro.c (struct cpp_macro): New member node.
6316 (parse_args): Only warn about missing rest args if not
6318 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6319 (cpp_sys_objmacro_p): New.
6320 (_cpp_create_definition): Store the node with the macro defn.
6321 Remember if the macro is defined in a system header.
6323 2001-02-13 DJ Delorie <dj@redhat.com>
6325 * configure.in (check_languages): determine languages to check
6326 * Makefile.in (check-c++): alias for check-g++
6327 (check-f77): alias for check-g77
6328 (CHECK_TARGETS): depend on configured languages
6330 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6332 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6333 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6334 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6335 (sqrtextendsfdf2): Disable for SSE2.
6337 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6339 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6340 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6341 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6342 (sqrtextendsfdf2): Disable for SSE2.
6344 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6346 * i386.md (movsfcc_1): Support integer cmove instruction.
6347 (movdfcc_1): Likewise; new splitter.
6349 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6351 * i386.c (output_fp_compare): Support SSE.
6352 (prepare_fp_compare_args): SSE comparisons always support memory.
6353 * i386.h (TARGET_CMOVE): SSE imply cmove.
6354 * i386.md (cmp?f2): Enable for SSE too.
6355 (cmpfp_i*): Support SSE.
6357 (cmpfp_i_sse_only): New.
6358 (s*, b* fp expanters): Enable for SSE too.
6359 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6362 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6364 * regclass.c (init_reg_sets_1): Silence warning.
6366 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6368 * i386.md (sqrt?f2): Change to expander.
6369 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6371 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6373 * rtlanal.c (find_reg_equal_equiv_note): New function.
6374 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6375 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6376 * rtl.h: Add declarations for above functions.
6378 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6380 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6382 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6383 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6384 * flow.c (mark_regs_live_at_end): Likewise.
6385 (calculate_global_regs_live): Likewise.
6386 * gcse.c (compute_hash_table): Likewise.
6387 (compute_kill_rd): Likewise.
6388 * resource.c (mark_target_live_regs): Likewise.
6389 * rtl.h (INVALID_REGNUM): New macro.
6391 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6393 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6395 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6397 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6400 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6402 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6404 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6405 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6406 (fop_sf_1_sse, fop_df_1_sse): New patterns
6407 (fop_*): Disable float_extend and float patterns for SSE compilation.
6408 * i386.c (output_387_binary_op): Support SSE.
6410 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6412 * i386.md (dummy_extendsfdf2): Support SSE2
6413 (extendsfdf2): Enable if 80387 or SSE2.
6414 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6415 and no MIX_I387_SSE2
6416 (extendsfdf2_1_sse_only): New pattern.
6417 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6419 (truncdfsf2_1): Support SSE.
6420 (truncdfsf2_2): Support SSE.
6421 (truncdfsf2_2_1_sse): New pattern.
6422 (fixtruncsfsi2): Always use SSE if available.
6423 (fix_truncsfsi_sse): New pattern.
6424 (fix_truncdfsi_sse): New pattern.
6425 (floatsis?f2): Support SSE.
6426 (floatsidf2_i387): New pattern.
6427 (floatsidf2_sse): Likewise.
6429 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6431 * configure.in: Use "have_gnat" variable, not "gnat".
6432 * configure: Regenerated.
6434 * config/sparc/sparc.c (function_value): Treat all non-record
6435 aggregate types like used to treat UNION_TYPE.
6437 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6439 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6440 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6442 (MASK_MIX_SSE_I387): New.
6443 (TARGET_SSE): SSE2 imply SSE.
6444 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6445 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6446 (enum reg_class): Add new classes.
6447 (REG_CLASS_NAMES): Likewise.
6448 (REG_CLASS_CONTENTS): Likewise.
6449 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6450 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6451 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6452 (CLASS_MAX_NREGS): Use new macros.
6453 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6454 * i386.md (pushsf, movsf): Support SSE.
6455 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6456 splitters to use ANY_FP_REGNO_P.
6457 (movdf_nointeger, movdf_integer): Likewise.
6459 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6461 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6462 (try_combine): Use it.
6464 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6466 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6467 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6468 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6469 (REGISTER_MOVE_COST): Likewise.
6470 * i386-protos.h (ix86_secondary_memory_needed,
6471 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6472 * i386.c (ix86_secondary_memory_needed,
6473 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6475 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6477 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6478 (HARD_REGNO_MODE_OK): Move offline to ....
6479 * i386.c (ix86_hard_regno_mode_ok) ... here;
6480 refuse all incorrect modes.
6481 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6483 2001-02-13 Richard Henderson <rth@redhat.com>
6485 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6486 entire operator; replicate that and match_dup the operands.
6487 (cmp_ccx_arith_op_set): Likewise.
6488 (cmp_cc_arith_op_not_set): Likewise.
6489 (cmp_ccx_arith_op_not_set): Likewise.
6491 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6493 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6495 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6497 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6498 (TARGET_NO_BITFIELD_WORD): New macro.
6499 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6500 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6502 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6504 * cselib.c: New file, from simplify-rtx.c.
6505 * simplify-rtx.c: Remove cselib parts.
6506 * Makefile.in: Add cselib.o.
6508 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6510 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6511 (setup_incoming_varargs): Remove warning.
6513 * config/rs6000/rs6000.c (validate_condition_mode): When
6514 flag_fast_math, allow floating-point conditionals to be reversed.
6515 (rs6000_generate_compare): When flag_fast_math, don't generate
6516 cror operations for FP conditionals.
6518 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6520 (ASM_SPEC): Likewise.
6521 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6522 (CC1_SPEC): Likewise.
6523 (LINK_TARGET_SPEC): Likewise.
6524 (CPP_ENDIAN_SPEC): Likewise.
6525 * Makefile.in (check-consistency): New target.
6527 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6529 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6530 "return type defaults" warning for functions with return type
6532 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6533 function declarations by default rather than only when pedantic.
6535 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6537 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6540 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6542 * extend.texi (Deprecated): Deprecate new initializer lists.
6544 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6546 * mkdeps.c (deps_add_default_target): Robustify. Add
6547 basename component only.
6548 * cpp.texi (-M): Describe how default target is generated.
6549 * invoke.texi (-M): Likewise.
6551 2001-02-12 Kazu Hirata <kazu@hxi.com>
6553 * toplev.c (push_float_handler): Remove.
6554 (pop_float_handler): Remove.
6555 * toplev.h: Remove prototypes for the above functions.
6557 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6559 * c-common.c (constant_fits_type_p): New function.
6560 (convert_and_check): Use it.
6562 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6564 * Makefile.in (GXX_ABI_FLAG): Don't define.
6565 * configure.in (--enable-new-gxx-abi): Remove option.
6566 * config.in: Regenerated.
6567 * configure: Likewise.
6569 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6571 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6573 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6574 regular basic block, and arrange for all edges into it to switch
6577 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6579 * Makefile.in (distclean): Do not remove .gdbinit.
6581 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6583 * Makefile.in (gcc.o): Fix typos.
6584 (protize.o): Likewise.
6585 (unprotoize.o): Likewise.
6587 2001-02-11 Richard Henderson <rth@redhat.com>
6589 * tree.c (build1): Check for null operand in last change.
6591 2001-02-11 Richard Henderson <rth@redhat.com>
6593 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6594 (fold): Don't assume a constant isn't foldable.
6595 * tree.c (build): Set TREE_CONSTANT for an expression with no
6596 side-effects and constant operands.
6599 2001-02-10 Richard Henderson <rth@redhat.com>
6601 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6603 2001-02-10 Anthony Green <green@redhat.com>
6605 * cpp.texi (Standard Predefined): Add documentation for
6608 * c-common.c (combine_strings): Improve warning message.
6610 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6612 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6614 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6616 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6618 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6621 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6623 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6626 2001-02-09 Nick Clifton <nickc@redhat.com>
6628 * config/arm/arm.md: Change output contraint on post inc
6629 load/store multiple patterns to be a read/write contraint.
6631 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6633 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6634 .o files when using the -M options.
6636 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6637 David Edelsohn <edelsohn@gnu.org>
6639 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6640 handle DImode constants. Use one TOC entry for SImode and smaller
6641 constants, aligned properly.
6643 2001-02-08 Jason Merrill <jason@redhat.com>
6645 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6646 about the SP adjustment for saving the static chain pointer.
6647 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6648 offset when setting a temporary CFA register.
6650 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6652 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6653 powerpc-*-chorusos* .
6654 * config/rs6000/chorus.h : New file.
6655 * config/i386/chorus.h : New file.
6656 * config/sparc/chorus.h : New file.
6657 * config/sparc/t-chorus-elf : New file.
6659 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6661 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6662 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6663 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6664 (__WCHAR_TYPE__): Correct macro name.
6666 2001-02-08 Richard Henderson <rth@redhat.com>
6668 * config/i386/i386.c (ix86_frame_pointer_required): New.
6669 (ix86_setup_frame_addresses): New.
6670 (struct machine_funciton): Add accesses_prev_frame.
6671 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6672 ix86_frame_pointer_required.
6673 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6674 (SETUP_FRAME_ADDRESSES): New.
6675 * config/i386/i386-protos.h: Update.
6676 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6677 from FRAME_POINTER_REQUIRED.
6678 * config/i386/svr3gas.h: Likewise.
6679 * config/i386/sysv3.h: Likewise.
6680 * config/i386/v3gas.h: Likewise.
6682 2001-02-08 Richard Henderson <rth@redhat.com>
6684 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6685 calculation of the number of integer registers required.
6686 (function_arg_record_value): Likewise.
6688 2001-02-08 Jason Merrill <jason@redhat.com>
6690 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6691 two. Print file and line with "confused" message.
6693 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6695 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6697 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6699 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6701 * final.c (cleanup_subreg_operands): The address of a MEM can
6704 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6707 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6709 * gcc.texi (Incompatibilities): Update documentation of
6710 preprocessing numbers.
6712 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6714 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6716 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6718 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6720 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6721 * gcc.c (struct compiler): Add cpp_spec field.
6722 (input_file_compiler): New variable.
6723 (do_spec_1): Allow a particular compiler to handle `%C'
6725 (main): Store the current compiler in input_file_compiler.
6726 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6728 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6730 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6731 * cppinit.c (cpp_create_reader): Initialize them.
6732 (append_include_chain): cxx_aware arg might be unused.
6733 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6734 keywords and give them their phase 7 meaning. Pedwarn about
6735 this unless '__bool_true_false_are_defined' is defined.
6737 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6739 * lcm.c (optimize_mode_switching): Emit mode_set before the
6740 JUMP_INSN of an abnormal edge.
6742 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6744 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6745 a scheduling barrier at the end.
6747 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6749 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6751 * config/sh/sh.md (reload_outsf): Removed.
6752 (movsf_ie): Introduce constraints for FPUL loads and stores.
6753 (reload_insf): Broaden the output constraint.
6755 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6757 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6758 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6760 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6762 * final.c: Revert my previous changes.
6763 * output.h: Make profile_label_no extern.
6764 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6765 for generating label.
6767 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6769 * config/i386/djgpp.h: Add comments about standard paths.
6770 (MD_EXEC_PREFIX): Undefine before defining.
6771 (MD_STARTFILE_PREFIX): New.
6773 2001-01-30 Bruce Korb <bkorb@gnu.org>
6775 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6776 (load_file): do not rely on load_file_data() to close file pointer
6777 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6778 fixinc/inclhack.def(irix_limits_const): add test_text
6780 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6782 * cppexp.c (parse_defined): Improve diagnostics for invalid
6785 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6787 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6789 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6791 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6792 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6793 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6794 (rs6000_output_symbol_ref): New function.
6795 (output_toc): Use VTABLE_NAME_P.
6797 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6799 * print-tree.c (print_node, case PARM_DECL):
6800 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6802 * stor-layout.c (reference_types_internal): New variable.
6803 (internal_reference_types): New function.
6804 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6805 * tree.h (internal_reference_types): New declaration.
6807 * cse.c (find_best_addr): Fix typo in computing cost.
6809 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6811 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6812 and this is the sum of a pointer and a constant, we know the result
6814 (num_sign_bit_copies, case PLUS): Likewise.
6815 * explow.c (convert_memory_address): Remove opposite SUBREG.
6816 * function.c (instantiate_new_reg): New function (from common code).
6817 (instantiate_virtual_regs_1): Call it.
6818 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6819 if pointers sign- or zero-extend.
6820 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6821 If pointers extend unsigned, use inside of SUBREG.
6822 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6824 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6826 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6827 subdir of gcc_gxx_include_dir.
6828 (gcc_gxx_target_include_dir): Remove.
6830 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6832 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6833 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6834 a high-level description.
6836 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6838 * final.c: Move the declaration of profile_label_no to ...
6839 * output.h: ... here.
6840 * function.c (expand_function_start): Call PROFILE_HOOK.
6841 * config/rs6000/aix.h: Define PROFILE_HOOK.
6842 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6843 * config/rs6000/rs6000.c (output_profile_hook): Define.
6844 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6845 output_profile_hook.
6846 tm.texi : Explain new macro PROFILE_HOOK.
6848 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6850 * extend.texi (Extended Asm): Do not say that semicolon is always
6851 a valid line-breaking character for GNU assemblers. Use
6852 newline-tab as the most commonly supported syntax. Use
6853 newline-tab rather than semicolon in multi-insn examples.
6855 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6857 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6859 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6860 David Edelsohn <edelsohn@gnu.org>
6862 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6863 code for AIX, even without flag_pic.
6865 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6867 * c-typeck.c (common_type): push and pop binding level around
6868 calling common_type on function parameters.
6870 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6872 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6874 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6876 * config/mips/mips.c (override_options): Fix typo in last change.
6877 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6878 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6880 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6882 * invoke.texi (-fdump-class-layout): Document.
6883 (-fdump-translation-unit): Use `=' as filename separator.
6885 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6887 * Makefile.in (s-mlib): Don't build multilibs if
6889 (DRIVER_DEFINES): Adjust accordingly.
6891 (protoize.o): Likewise.
6892 (unprotoize.o): Likewise.
6893 * configure.in: Recognize --enable-multilib.
6895 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6897 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6899 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6900 * configure.in: Remove --enable-libstdcxx_v3 support.
6901 * configure: Regenerated.
6903 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6905 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6906 Call abort instead of fatal.
6907 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6908 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6909 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6910 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6911 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6912 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6914 * diagnostic.h (set_internal_error_function): Renamed.
6915 * toplev.h (internal_error): Renamed from fatal.
6916 (pfatal_with_name): Deleted.
6917 (fatal_io_error): Now has printf-style arguments.
6918 * diagnostic.c (pfatal_with_name): Deleted.
6919 (fatal_io_error): Rework to have args in printf-style.
6920 (set_internal_error_function): Renamed from set_fatal_function.
6921 (internal_error): Renamed from fatal.
6922 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6923 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6924 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6925 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6926 * flow.c (verify_flow_info): Likewise.
6927 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6928 * config/mips/mips.c (save_restore_insns): Likewise.
6930 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6931 * flow.c (verify_flow_info): Likewise.
6932 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6933 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6934 (avr_normalize_condition): Likewise.
6935 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6936 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6937 (limit_reload_class, double_reg_to_memory): Likewise.
6938 (print_operand_address, emit_1600_code_shift): Likewise.
6939 (gen_tst_reg, gen_compare_reg): Likewise.
6940 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6941 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6943 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6945 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6946 * objc/objc-act.c (build_ivar_chain): Likewise.
6947 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6949 * graph.c (clean_graph_dump_file): Likewise.
6950 * profile.c (init_branch_prob): Likewise.
6951 * objc/objc-act.c (objc_init): Likewise.
6953 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6954 * config/avr/avr.c (avr_override_options): Likewise.
6955 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6956 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6957 * config/h8300/h8300.c (h8300_init_once): Likewise.
6958 * config/mips/mips.c (override_options): Likewise.
6959 * config/i386/i386.c (override_options): Likewise, rework.
6960 * config/m68k/m68k.c (override_options): Likewise.
6962 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6964 * config/mips/mips.c (print_operand): Likewise.
6965 * hash.c (hash_allocate): Don't check for failure returns from
6966 obstack functions that can't fail.
6967 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6968 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6969 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6970 (get_object_reference): Likewise.
6972 2001-02-04 Nick Clifton <nickc@redhat.com>
6974 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6975 StrongARM1110, 10TDMI, and 1020T.
6977 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6979 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6981 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6983 * config/sh/sh.md (movdf load split): Pass register number to
6984 FP_OR_XD_REGISTER_P.
6986 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6988 * cppinit.c (BC): New macro.
6989 (builtin_array): Add __GXX_WEAK__.
6990 * cpplib.h (builtin_type): Add BT_WEAK.
6991 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6992 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6993 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6995 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6997 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6999 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7001 * cpphash.h: Rename _ALIGN POOL_ALIGN.
7002 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7004 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7006 * cpphash.h: Rename ALIGN _ALIGN.
7007 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7009 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7011 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7012 compilation environment.
7013 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7014 control over location of cygwin includes and libs.
7016 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7018 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7020 2001-02-02 lars brinkhoff <lars@nocrew.org>
7022 * md.texi (Standard Names): remove reference to spur.md.
7024 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7026 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7027 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7028 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7029 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7030 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7032 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7034 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7035 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7036 number before reload.
7037 (c4x_adjust_cost): Return zero before reload.
7038 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7039 split before reload.
7041 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7043 * c4x.c (c4x_hard_regno_rename_ok): New.
7044 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7045 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7047 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7049 * diagnostic.h: Add missing "extern" in all declarations.
7051 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7053 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7054 as for gcc_gxx_include_dir.
7056 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7058 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7060 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7062 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7063 label before alignment to be used as the braf base address.
7064 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7066 (casesi_jump_2): Require at least TARGET_SH2.
7068 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7069 truncation to 32-bit doubles on -m3e and -m4-single-only.
7071 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7073 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7074 the default when building a shared object.
7075 (init_spec): Use it.
7076 * testsuite/lib/g++.exp: Include the directory where libgcc
7077 is located to the LD_LIBRARY_PATH list.
7078 * invoke.texi (-shared-libgcc): Document the cases in which
7079 GCC defaults to using the shared libgcc.
7081 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7083 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7084 unsigned is wide enough.
7086 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7087 (si_to_float): Likewise.
7088 (float_to_si, float_to_usi): Use BITS_PER_SI.
7090 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7092 * dwarf2out.c: Added explanation of abbreviations.
7093 (def_cfa_1): Added comments listing DWARF2 instructions.
7094 (cfa_temp_reg): Removed in favor of cfa_temp.
7095 (cfa_temp_value): Removed in favor of cfa_temp.
7096 (cfa_temp): New global variable.
7097 (dwarf2out_frame_debug_expr): Added extensive introductory
7098 comments explaining the function's transformations. Revised to
7099 use cfa_temp. Added some rtx checking. Generalize IOR case.
7100 (dwarf2out_frame_debug): Revised to use cfa_temp.
7101 (output_aranges): Cast as "unsigned" to avoid warning.
7102 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7103 explain which instructions must be marked.
7105 2001-02-01 Richard Henderson <rth@redhat.com>
7107 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7110 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7112 * config/sh/crt1.asm (main_k): Modified so that start calls
7113 ___setup_argv_and_call_main.
7115 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7117 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7118 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7119 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7120 * cppmacro.c (builtin_macro): Set builtin flags here.
7121 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7122 (replace_args): Clarify intent.
7123 (cpp_get_token): Macro expansion tokens get the saved flags.
7125 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7128 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7130 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7133 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7135 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7136 returns Pmode pseudo, but we need ptr_mode.
7137 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7138 Remove bogus conversions; use HOST_WIDE_INT for size.
7139 Don't use TARGET if wrong mode.
7141 * config/i386/i386.c (ix86_compute_frame_size): Allow
7142 stack_alignment_needed to be non-default even if size is zero.
7144 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7146 * pa.c (hppa_init_pic_save): New function.
7147 * pa.h (hppa_init_pic_save): Declare.
7148 * pa.md (call, call_value, sibcall, sibcall_value): Use
7149 the above instead of duplicated code.
7151 * pa.c (hppa_encode_label): Correct size of alloca buffer
7152 so we don't overrun it. Correct leading `*' case.
7153 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7154 need to handle `*@'.
7155 (FUNCTION_NAME_P): Likewise.
7157 2001-01-31 Richard Henderson <rth@redhat.com>
7159 * config.gcc (alpha-osf5): Use float-i128.h.
7161 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7162 * config/float-i32.h: Likewise.
7163 * config/float-i64.h: Likewise.
7164 * config/float-sh.h: Likewise.
7165 * config/float-sparc.h: Likewise.
7167 2001-01-31 DJ Delorie <dj@redhat.com>
7169 * expmed.c (extract_bit_field): allow non-integral modes if we
7170 want to extract a whole register from itself.
7172 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7174 * c-typeck.c (set_init_index): If first is equal to last, assume as
7175 if it was not a range at all.
7177 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7179 * config/fp-bit.c: Include tm.h.
7180 (float_to_si): Don't assume SImode is 32-bits wide.
7181 (float_to_usi): Likewise.
7183 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7185 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7187 (typename): Call pending_xref_error after parsing typed_typespecs.
7188 * c-decl.c (lookup_tag): Give error immediately rather than
7189 leaving it pending if the tag of the wrong type is in the same
7191 (xref_tag): Don't pedwarn for forward declarations of enum types
7193 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7196 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7198 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7200 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7202 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7203 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7205 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7207 * cpphash.h (struct cpp_reader): New saved_flags.
7208 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7209 to avoid a paste after a pasted token.
7211 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7213 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7214 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7215 Wtype_MIN instead of LONG_MIN.
7217 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7219 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7221 * fixinc/fixincl.x: Regenerated.
7222 * fixinc/inclhack.def (irix_limits_const): New definition to
7223 convert "const" to "__const" in limits.h.
7225 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7227 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7229 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7231 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7232 when register dies in the insn.
7234 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7236 * diagnostic.c (fatal): Fix word wrap.
7238 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7240 * combine.c (try_combine): Fix SUBREG setting for
7241 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7243 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7245 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7248 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7250 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7252 * toplev.c (decode_W_option): Update warn_larger_than
7253 unconditionally for each processed switch.
7255 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7257 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7259 (hppa_expand_prologue): Delete code to save pic offset table register
7260 in the function prologue.
7261 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7262 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7263 table register at the beginning of the function after the prologue.
7265 2001-01-29 lars brinkhoff <lars@nocrew.org>
7267 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7269 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7270 Jeff Law <law@redhat.com>
7272 * pa.md (return): Revise comment for trivial return.
7273 (return_internal): Non-trivial return pattern for non-PIC code.
7274 (return_internal_pic): Non-trivial return pattern for PIC code.
7275 It uses the PIC register to ensure it is restored after
7277 (epilogue): Generate appropriate return for PIC and non-PIC code.
7279 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7281 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7283 2001-01-29 DJ Delorie <dj@redhat.com>
7285 * combine.c (if_then_else_cond): Pass the correct mode to
7286 operand_subword() for constants.
7288 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7290 * config/i386/cygwin.h: Add w32api to include search. Search different
7291 directories in a cross-build environment.
7293 2001-11-29 Tim Josling <tej@melbpc.org.au>
7295 * tree.h (TYPE_STUB_DECL): Add documentation.
7297 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
7299 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7300 (sdbout_field_types): Likwise. Fix use of host_integerp.
7302 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7304 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7307 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7309 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7310 to use flag_gnu_linker.
7312 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7314 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7315 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
7317 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7319 * tree.c, tree.h (build_parse_node): Remove; was identical to
7321 * c-lang.c (start_cdtor), objc/objc-act.c
7322 (build_module_descriptor): Use build_nt instead of
7325 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7327 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7328 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7329 not have any upper bits set.
7331 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7333 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7335 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7337 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7339 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7341 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7342 (integer_minus_one_node): Define.
7344 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7346 * Makefile.in (bootstrap2-lean): Fix typo.
7348 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7350 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7351 : Don't set fe_value.
7352 * cpplib.h (AVOID_LPASTE): New flag.
7353 (struct cpp_hashnode): Remove fe_value.
7354 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7355 * cppmacro.c (builtin_macro): Don't set flags here.
7356 (replace_args): Set AVOID_LPASTE flag on first token of an
7357 argument, and the token following it.
7358 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7359 macro expansion, and on the token following it. Do it for
7361 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7363 2001-01-27 Richard Henderson <rth@redhat.com>
7365 * config/alpha/t-ieee: Remove multilibbing.
7366 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7368 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7370 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7372 * Makefile.in: Remove all dependencies on defaults.h.
7373 * builtins.c: Don't include defaults.h.
7374 * c-common.c: Likewise.
7375 * c-decl.c: Likewise.
7376 * c-pragma.c: Likewise.
7377 * c-typeck.c: Likewise.
7378 * combine.c: Likewise.
7380 * frame-ia64.c: Likewise.
7381 * cppexp.c: Likewise.
7382 * crtstuff.c: Likewise.
7383 * dbxout.c: Likewise.
7384 * dwarf2out.c: Likewise.
7385 * dwarfout.c: Likewise.
7386 * emit-rtl.c: Likewise.
7387 * except.c: Likewise.
7389 * final.c: Likewise.
7390 * frame-dwarf2.c: Likewise.
7391 * libgcc2.c: Likewise.
7392 * optabs.c: Likewise.
7393 * profile.c: Likewise.
7394 * sdbout.c: Likewise.
7395 * toplev.c: Likewise.
7396 * tradcif.y: Likewise.
7398 * varasm.c: Likewise.
7400 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7402 * builtins.c (expand_builtin_fputs): Use size_one_node when
7403 transforming into fwrite.
7405 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7407 * extend.texi (Attribute Syntax): New section.
7409 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7411 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7412 they didn't need fixing.
7414 2001-01-27 Janis Johnson <janis@us.ibm.com>
7416 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7418 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7419 to remove macro definitions that are duplicated from elfos.h.
7421 2001-01-27 Richard Henderson <rth@redhat.com>
7423 * config/i386/sco5gas.h: Move ...
7424 * config/usegas.h: ... here.
7425 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7427 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7429 * c-typeck.c (struct constructor_stack): Add range_stack member.
7430 (really_start_incremental_init): Clear it.
7431 (push_init_level): Save constructor_range_stack and clear it if
7432 pushing explicit braces.
7433 (pop_init_level): abort if constructor_range_stack is non-zero at
7434 explicit closing brace. Restore saved constructor_range_stack if
7437 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7439 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7440 into register was forced into memory.
7442 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7444 * Makefile.in: Remove uses of + before $(MAKE).
7446 2001-01-26 Richard Henderson <rth@redhat.com>
7448 * stmt.c (cost_table): Remove.
7449 (COST_TABLE, cost_table_initialized): New.
7450 (estimate_case_costs): Use the later instead of the former.
7451 (balance_case_nodes): Likewise.
7453 2001-01-26 Richard Henderson <rth@redhat.com>
7455 * alias.c (objects_must_conflict_p): Read-only slots may not
7456 conflict despite having the same type.
7458 2001-01-27 Michael Hayes <mhayes@redhat.com>
7460 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7462 (check_ext_dependant_givs): Initialise u_start_val and
7464 (load_mems): Make last_max_reg unsigned.
7465 (try_swap_copy_prop): Use INSN_P and initialise set.
7467 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7469 * README.AVR : Removed.
7471 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7473 * pa-64.h (text_section): Remove declaration.
7475 * pa.md (return_internal): Remove mode on PIC register use.
7477 2001-01-25 lars brinkhoff <lars@nocrew.org>
7479 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7480 ASM_CLOSE_PAREN): fix typos.
7482 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7484 * acconfig.h: Define `const' to the empty string if neither
7485 __STDC__ nor __cplusplus is defined.
7486 * config.in: Regenerated.
7488 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7490 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7491 * collect2.c (main): Delete importf. Add ".obj" file extension.
7492 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7493 (aix_std_libs): Add additional AIX libraries to skip.
7494 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7495 * config/rs6000/aix51.h: New file.
7497 2001-01-25 Michael Hayes <mhayes@redhat.com>
7499 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7500 (loop_insn_emit_before): No longer static.
7501 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7502 (loop_givs_rescan, load_mems): Likewise.
7503 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7504 (maybe_eliminate_biv_1):
7505 (move_movables): Replace emit_call_insn_before with
7506 loop_call_insn_hoist.
7507 * loop.h (loop_insn_emit_before): Add.
7508 * unroll.c (copy_loop_body): Replace emit_insn_before with
7509 loop_insn_emit_before.
7511 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7513 * diagnostic.c (fatal): Request preprocessed source.
7515 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7517 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7518 olddecl has argument types and newdecl has none, use the argument
7521 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7523 * dwarf2out.c (prefix_of): New function. Determine longest common
7524 prefix of the two arguments. The units are whole path components.
7525 (output_file_names): When adding a new directory find the one entry
7526 with the longest common prefix already in the list. Artificially
7527 generate entry if there is none for this prefix.
7528 Fix test to check whether the zeroth directory entry is used.
7530 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7532 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7533 Changed all callers. Take it into account when deciding if a
7534 previously loaded value matches.
7536 2001-01-24 Richard Henderson <rth@redhat.com>
7538 * reload.c (find_reloads_subreg_address): Fail the substitution
7539 if the resulting address is insufficiently aligned.
7541 2001-01-24 DJ Delorie <dj@redhat.com>
7543 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7544 check the original operand's mode also.
7545 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7547 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7549 * c-parse.in (cast_expr): Move compound literals from here ...
7550 (primary): ... to here. Use standard terminology "compound
7551 literal" instead of "constructor expression".
7553 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7555 * gcc.1, cpp.1: Regenerate.
7557 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7559 * calls.c (emit_library_call_value_1): Memory slot for
7560 pass-by-reference argument should have the mode of the argument,
7561 not of the pointer to it.
7563 2001-01-24 Tom Tromey <tromey@redhat.com>
7565 * gcc.texi (G++ and GCC): Mention gcj manual.
7566 (Standards): Link to section of manual mentioning gcj/Java
7569 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7571 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7572 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7573 * tradcpp.c (main): Add -imacros or -include'd dependencies
7575 * cpp.texi (-M, -MM): Document -M -include behaviour.
7577 2001-01-24 Roger Collins <roger@ProProject.com>
7579 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7581 2001-01-24 Will Cohen <wcohen@redhat.com>
7583 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7584 whether registers are 32 bits or 64 bits in size.
7586 2001-01-24 Ben Elliston <bje@redhat.com>
7588 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7590 2001-01-24 Richard Henderson <rth@redhat.com>
7592 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7593 (builtin_longjmp): Use it instead of emit_indirect_jump.
7595 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7597 * bb-reorder.c (make_reorder_chain_1): Handle case where
7598 jump edge goes to the same block as the fallthru edge.
7600 2001-01-23 Jim Wilson <wilson@redhat.com>
7602 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7603 * frame.h (__ia64_personality_v1): Add prototype.
7604 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7605 prototype form. Add void * cast to first argument to personality
7607 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7608 (asctoe113): Likewise.
7609 * config/ia64/frame-ia64.c: Include eh-common.h.
7610 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7612 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7614 (itanium_split_issue): Add prototype.
7615 (gen_nop_type): Ifdef out.
7616 (find_best_packet): Initialize best_packet.
7617 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7619 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7620 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7621 (flushrs): Add explicit stop bit at end.
7622 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7625 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7627 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7629 * libgcc2.c (__terminate_func): Make variable static.
7630 (__terminate_set_func): New function to set __terminate_func.
7631 * libgcc2.h (__terminate_func_ptr): New typedef.
7632 (__terminate_set_func): New function.
7634 2001-01-23 Richard Henderson <rth@redhat.com>
7636 * flow.c (init_propagate_block_info): Don't consider unchanging
7637 memories for dead frame store elimination.
7639 2001-01-23 Richard Henderson <rth@redhat.com>
7641 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7642 * defaults.h: ... here.
7644 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7646 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7648 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7650 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7652 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7654 * rs6000.h (rs6000_return_addr): Move prototype from here...
7655 * rs6000-protos.h (rs6000_return_addr): ...to here.
7656 (rs6000_init_expanders): Delete prototype.
7658 2001-01-23 Nick Clifton <nickc@redhat.com>
7660 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7661 (Spec Files): Document %B and %j and %. and %v3 and %M and
7662 %{S*&T} spec switches.
7664 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7666 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7668 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7669 Neil Booth <neil@daikokuya.demon.co.uk>
7671 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7672 Have -Werror make pedantic warnings errors, like the
7675 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7677 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7679 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7681 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7682 * integrate.c (expand_inline_function): Initialize them.
7683 (subst_constants): If changing COMPARE so that both its arguments
7684 will be VOIDmode and the comparison mode will be lost, note
7685 compare_mode. Use the recorded compare_mode to optimize
7688 2001-01-23 Jason Merrill <jason@redhat.com>
7690 * dwarf2out.c (new_die): Use xcalloc.
7691 (output_die): Abort rather than emit a local reference to offset 0.
7693 2001-01-17 Andrew Haley <aph@redhat.com>
7695 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7696 of a saved register; return NULL instead.
7697 (copy_reg): Take a pointer to a source register rather than a
7699 (next_stack_level): Remember the address in the stack frame of all
7701 Use the saved register pointer array as the source of the CFA.
7702 (throw_helper): Rewrite. Unwind once rather than twice and keep
7703 track of saved registers as we go.
7705 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7707 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7708 * c4x.c (c4x_legitimize_reload_address): Remove.
7709 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7710 reload address for ldp(k) insn.
7712 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7714 * pa.md (return_internal): Add a USE of the PIC register to ensure
7715 it is restored after each call.
7716 (return expander): Corresponding changes.
7718 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7720 * rs6000.h (INIT_EXPANDERS): Delete.
7721 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7722 * rs6000.c (rs6000_override_options): Call *_machine_status from
7724 (rs6000_init_expanders): ...instead of here. Delete.
7725 (rs6000_mark_machine_status): New function.
7726 (rs6000_init_machine_status): Use xcalloc.
7727 (rs6000_return_addr): Generate RTX for the return address.
7728 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7729 (rs6000_stack_info): Use it.
7731 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7733 * gthr-win32.h: Include errno.h to get a declaration for
7734 EINVAL and _mingw.h if the target is mingw32.
7736 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7738 * cpp.texi: Correct typos.
7740 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7742 * explow.c (probe_stack_range): Ensure value passed to
7743 stack_check_libfunc is ptr_mode, not Pmode.
7745 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7747 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7748 case, don't use operand_subword to calculate a SUBREG that is
7751 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7753 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7755 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7756 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7757 valid. If not replace it by equivalent insns.
7759 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7761 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7762 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7763 (c4x_U_constraint, symbolic_address_operand): Likewise.
7764 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7766 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7767 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7768 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7769 anulling slot because of silicon bug.
7770 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7772 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7774 * cppexp.c (parse_charconst): Change `mask' type to agree
7777 2001-01-21 Richard Henderson <rth@redhat.com>
7779 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7780 pic_label_name in a linkonce section.
7782 2001-01-17 Philipp Thomas <pthomas@suse.de>
7784 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7786 * configure: Regenerate.
7788 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7790 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7791 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7793 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7795 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7796 If REVERSE nonzero then condition code in X must be reversed.
7797 (encode_section_info): Optimise if/else.
7798 (avr_function_value): Fix formatting.
7800 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7801 (difficult_branch): Likewise.
7802 (rvbranch): Likewise.
7803 (difficult_rvbranch): Likewise.
7805 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7807 * config/avr/libgcc.S: Fix comment.
7809 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7811 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7813 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7815 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7817 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7819 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7820 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7821 * configure, config.in: Regenerate.
7822 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7823 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7824 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7825 (doprint.o): New rule.
7827 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7829 * c-typeck.c (digest_init): Handle boolean types as scalars.
7831 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7833 * stmt.c (expand_return): Don't return anything if size is zero.
7834 Delete redundant assignment to BYTES.
7835 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7837 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7839 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7840 the same as the default library function names.
7841 * config/avr/avr.md: Document special characters after '%'.
7842 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7843 knowing which of the call-used registers are really clobbered.
7844 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7845 New. Both quotient and remainder from one libgcc.S call.
7846 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7847 clobber as few registers as possible.
7848 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7850 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7852 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7853 context of the top of the stack.
7855 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7857 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7858 (fixup_var_refs_insns): ...here.
7860 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7862 * function.c (fixup_var_refs_insns): Break up into
7863 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7864 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7865 [loop over hash table entries].
7866 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7867 fixup_var_refs_insns_with_hash, to match above changes.
7869 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7871 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7872 (libgcc.a): Likewise.
7873 (stmp-multilib): Likewise.
7874 (STAGE2_FLAGS_TO_PASS): Likewise.
7876 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7878 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7879 temporary if no_new_pseudos.
7881 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7883 * cppinternals.texi: Update.
7885 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7887 * arm.c (arm_init_builtins): Re-enable builtins.
7889 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7891 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7892 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7893 element to be null, and always expect an EXPR_LIST.
7894 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7895 * sched-deps.c (sched_analyze_1): Likewise.
7896 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7898 * regclass.c (max_set_parallel): New variable.
7899 (reg_scan): Take it into account in computation of max_parallel.
7900 (reg_scan_mark_refs, case SET): Compute it.
7902 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7904 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7905 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7907 2001-01-19 Jason Merrill <jason@redhat.com>
7909 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7910 for the abstract instance of an inline function.
7912 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7913 J"orn Rennecke <amylaar@redhat.com>
7915 * reload1.c (move2add_note_store): Treat all registers directly or
7916 indirectly derived from a base register as members of the same set
7918 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7919 of base register into account.
7921 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7923 * alias.c (find_base_value): Recognize TRUNCATE.
7924 (record_set): In PLUS case, invalidate if other summand is also a
7927 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7929 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7930 entry to be EXPR_LIST.
7931 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7932 be an EXPR_LIST (but not null, which other code doesn't allow).
7933 (note_stores): Properly handle PARALLEL in SET.
7934 Recursively call for top-level PARALLEL.
7935 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7936 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7938 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7940 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7942 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7943 not pfile->skipping (== 0).
7945 2001-01-17 Nick Clifton <nickc@redhat.com>
7947 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7950 2001-01-17 Jim Wilson <wilson@redhat.com>
7952 * invoke.texi (IA-64 options): Improve.
7954 2001-01-17 Tom Tromey <tromey@redhat.com>
7956 * invoke.texi (Optimize Options): Use `{}' to around @samp
7959 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7961 * invoke.texi (-fno-guess-branch-probability): New option.
7963 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7965 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7966 case of making new double-word constant.
7967 Revert last change: instead just test i3_subst_into_i2.
7969 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7971 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7972 Use q constraints instead of r.
7974 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7976 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7977 (machine_function): Define.
7978 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7979 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7980 pa_free_machine_status): New functions.
7981 (override_options): Set {init,mark,free}_machine_status to above.
7982 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7983 PIC_OFFSET_TABLE_REGNUM_SAVED.
7984 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7985 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7986 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7987 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7988 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7990 2001-01-15 DJ Delorie <dj@redhat.com>
7992 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7996 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7998 * flow.c (propagate_on_insn): Make trying to delete a prologue
7999 or epilogue insn an ICE, not a warning. Allow doing this if
8000 the current function returns with stack pointer depressed.
8002 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8003 I3 having more than one SET.
8005 2001-01-16 Jim Wilson <wilson@redhat.com>
8007 * invoke.texi: Document IA-64 options.
8009 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8010 (fixup_errata): Delete TARGET_A_STEP use.
8011 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8012 (TARGET_SWITCHES): Delete -ma-step option.
8013 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8014 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8015 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8016 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8017 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8018 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8020 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8021 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8022 cmovsi_internal): Delete ! TARGET_A_STEP check.
8024 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8026 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8027 possibility to report bugs via postal mail. Change a URL and
8028 merge in a nearly duplicate statement...
8029 (Bug Reporting): ...from here.
8030 (Service): Refer to the Bug Reporting section instead of
8032 (Contributing): Remove trivial explanations concerning snapshots.
8034 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8036 * cppmain.c (general_init): Don't use ANSI prototype.
8038 2001-01-16 Tom Tromey <tromey@redhat.com>
8040 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8042 2001-01-16 Richard Henderson <rth@redhat.com>
8044 * config/i386/i386.h: Fix comment typo.
8045 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8046 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8048 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8050 * gcc.c: Revert previous -fsyntax-only-related change; move
8053 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8055 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8056 inmode after checking GET_CODE (op).
8058 2001-01-16 Richard Henderson <rth@redhat.com>
8060 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8061 (MAX_MEM_SET_LIST_LEN): New.
8062 (propagate_one_insn): Update mem_set_list_len.
8063 (invalidate_mems_from_autoinc): Likewise.
8064 (invalidate_mems_from_set): Likewise.
8065 (mark_used_regs): Likewise.
8066 (init_propagate_block_info): Likewise. Stop collecting memories
8067 when we reach MAX_MEM_SET_LIST_LEN.
8068 (mark_set_1): Likewise.
8070 2001-01-16 Richard Henderson <rth@redhat.com>
8072 * unroll.c (precondition_loop_p): Fail if no iteration
8075 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8077 * gcc.c: When -fsyntax-only is given, do not complain about
8080 2001-01-15 Richard Henderson <rth@redhat.com>
8082 * config/i386/i386.c (asm_output_function_prefix): Remove.
8083 (ix86_asm_file_end): New.
8084 (load_pic_register): Generate pic_label_name into a
8085 staticly allocated buffer.
8086 * config/i386/i386-protos.h: Update.
8087 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8088 (ASM_FILE_END): New.
8089 * config/i386/i386afe.h: New file.
8090 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8091 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8092 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8093 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8094 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8095 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8096 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8098 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8100 * Makefile.in (install-man): Remove explicit dependency on
8103 * configure.in, configure: Revert previous patch requiring perl
8106 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8108 * toplev.c (flag_guess_branch_prob): New.
8109 (f_options): Add guess-branch-probability option.
8110 (rest_of_decl_compilation): Only estimate branch probability if
8112 (main): set flag_guess_branch_prob.
8114 * flags.h (flag_guess_branch_prob): New.
8116 2001-01-15 DJ Delorie <dj@redhat.com>
8118 * gcc.texi (Makefile): Add documentation for Makefile targets.
8120 2001-01-15 Philip Blundell <philb@gnu.org>
8122 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8124 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8125 (is_pic): Delete declaration.
8126 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8127 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8128 * config/arm/arm.md (builtin_setjmp_receiver): New.
8130 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8132 * arm.c (use_return_insn): Don't try to determine the function type
8133 until after reload has completed.
8134 (arm_output_epilogue): Don't adjust the sp value recovered from the
8136 (emit_multi_reg_push): Don't record dwarf information for the pc.
8137 * arm.md (eh_epilogue): The function type may have changed, so it
8138 needs to be recalculated.
8139 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8140 unwind tables on arm/netbsd.
8142 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8144 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8145 (negated_cbranchsi4): Likewise.
8147 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8149 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8150 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8151 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8152 pass -mapcs-* options to assembler.
8153 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8154 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8155 (ASM_SPEC): Call subtarget_extra_asm_spec.
8157 2001-01-15 Andreas Jaeger <aj@suse.de>
8159 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8161 (ix86_expand_builtin): Likewise.
8163 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8164 warning about comparison between signed and unsigned.
8166 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8168 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8170 2001-01-14 Ralf Baechle <ralf@gnu.org>
8172 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8173 SUBTARGET_CPP_SPEC apropriatly.
8175 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8177 * varasm.c (make_decl_rtl): Fix typo in last change.
8179 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8181 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8182 linker supports the init_priority C++ attribute.
8183 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8184 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8185 linker does not support init_priority C++ attribute.
8187 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8189 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8191 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8193 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8194 * cp/lex.c (finish_parse): Similarly.
8195 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8196 Return the number of errors encountered.
8197 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8198 * cppmain.c (main): Don't call cpp_destroy.
8200 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8202 * configure.in: Require at least perl 5.6.0 to regenerate
8204 * configure: Regenerate.
8206 2001-01-14 Richard Henderson <rth@redhat.com>
8208 * genrecog.c (DT_veclen_ge): New.
8209 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8210 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8211 (nodes_identical_1): Handle DT_veclen_ge.
8212 (write_cond, debug_decision_2): Likewise.
8214 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8216 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8218 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8220 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8222 * cppmain.c (do_preprocessing): New function; most of the old
8224 (main): Call it to do most of the work.
8225 (cb): Move from global scope to set_callbacks ().
8226 (setup_callbacks): Get the callback pointer.
8227 (general_init, printer_init): Clean up code and comments.
8229 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8231 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8234 2001-01-14 Kazu Hirata <kazu@hxi.com>
8236 * config/h8300/h8300.c (get_shift_alg): Update comments.
8238 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8240 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8241 (alloc_page, ggc_alloc): Add casts to remove warnings.
8243 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8245 * combine.c (simplify_comparison): Don't change `code' when
8246 can't reverse comparison.
8248 2001-01-14 Richard Henderson <rth@redhat.com>
8250 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8251 update all call sites. Return true for all non-label constants.
8253 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8255 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8257 (ix86_expand_branch): Update.
8258 (ix86_expand_setcc): Update to handle multiple test conditions.
8259 (expand_int_movcc): Likewise.
8260 (expand_fp_movcc): Likewise.
8261 * i386-protos.h (ix86_expand_compare): New.
8262 * i386.md (andqi_?_slp, orqi_?_slp): New.
8263 (conditional trap expander): Update call to ix86_expand_compare.
8265 2001-01-14 Richard Henderson <rth@redhat.com>
8267 * config/vax/vax.md: Use nonimmediate_operand instead of
8268 general_operand in destinations.
8270 * config/vax/vax.md (indirect_jump): Use register_operand.
8272 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8273 * config/vax/vax.md (call_pop): Turn into an expander.
8274 (call_value_pop): Likewise.
8275 (call, call_value): New.
8277 2001-01-14 Andreas Jaeger <aj@suse.de>
8279 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8281 (ix86_fp_compare_mode): Add unused attribute.
8282 (ix86_expand_fp_movcc): Remove unused variable.
8283 (ix86_expand_builtin): Make fcode unsigned.
8285 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8286 (expand_expr): Add cast to avoid signed warning.
8287 (store_field): Likewise.
8288 (store_constructor_field): Likewise.
8289 (store_constructor): Likewise.
8290 (store_expr): Likewise.
8291 (clear_storage): Likewise.
8292 (emit_group_store): Likewise.
8293 (emit_group_load): Likewise.
8295 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8297 * c-common.c: Move format checking code to ...
8298 * c-format.c: ... here. New file. Reorder some functions and
8300 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8302 * c-common.h (decl_handle_format_attribute,
8303 decl_handle_format_arg_attribute): Declare.
8304 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8305 (c-common.o): Adjust dependencies.
8306 (c-format.o): New list of dependencies.
8308 2001-01-13 Jakub Jelinek <jakub@redhat.com>
8310 * unroll.c (loop_iterations): If we cannot prove iteration variable
8311 is set once in each iteration, punt.
8313 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8315 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8316 (*strlenhi): Remove clobber (which was buggy) of output address.
8318 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8320 * Makefile.in (generated-manpages): Add gcc.1
8321 ($(srcdir)/gcc.1): New target.
8322 (maintainer-clean): Delete $(srcdir)/gcc.1.
8323 * gcc.texi: Add macros @gccoptlist and @gol.
8324 * invoke.texi: Include option summary in manpage. Mark up option
8325 summary with @gccoptlist and @gol. Use @r in one place where
8327 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8328 * gcc.1: Generate from invoke.texi.
8330 2001-01-13 Richard Henderson <rth@redhat.com>
8332 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8333 (struct page_entry): Add group member.
8334 (struct page_group): New.
8335 (struct globals): Add page_groups member.
8336 (alloc_anon): Only define for using mmap; remove valloc call.
8337 (page_group_index): New.
8338 (set_page_group_in_use): New.
8339 (clear_page_group_in_use): New.
8340 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8341 (free_page, release_pages): Likewise.
8342 * configure.in (with-gc): Default to ggc-page always.
8344 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8346 * reload1.c (replace_pseudos_in_call_usage): Use
8347 reg_equiv_constant and reg_equiv_address, and don't try
8348 regno_reg_rtx first.
8350 2001-01-13 Richard Henderson <rth@redhat.com>
8352 * ggc-page.c (alloc_page): Round up allocation size to one page.
8353 Set e->order on extra pages.
8355 2001-01-13 Richard Henderson <rth@redhat.com>
8357 * genrecog.c (nodes_identical): Expand commentary.
8358 (write_switch): Watch out for identical nodes.
8360 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8362 * cppfiles.c (_cpp_fake_include): New function.
8363 * cpphash.h (_cpp_fake_include): New.
8364 * cpplib.c (do_line): Call _cpp_fake_include when entering
8365 header files in preprocessed input.
8366 * cppmain.c (cb_pragma_implementation): Remove handling.
8367 (setup_callbacks): Don't register pragmas.
8369 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8371 * extend.texi: Udate for CPP.
8373 2001-01-13 Andreas Jaeger <aj@suse.de>
8375 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8377 * regmove.c: Add prototype for replace_in_call_usage.
8379 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8381 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8382 struct cpp_chunk, struct htab, struct toklist,
8383 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8384 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8385 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8386 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8387 (struct macro_args): Delete.
8388 * cpphash.h: See above.
8390 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8392 * cppmain.c (struct printer): Remove no_line_dirs.
8394 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8395 : Use options rather than CPP_OPTION.
8396 (setup_callbacks): Use cb rather than pfile->cb.
8397 (main): No need to check for a buffer. Use cpp_errors.
8398 (printer_init): Don't set no_line_dirs.
8399 (maybe_print_line): Use options not no_line_dirs.
8400 (cb_file_change): Don't call print_line if -P.
8402 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8404 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8406 * c-parse.in (finish_parse): Use cpp_errors.
8407 (__yylex): Use return value of cpp_pop_buffer.
8408 * cp/lex.c (finish_parse): Use cpp_errors.
8409 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8411 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8413 * README.AVR: URLs corrected.
8415 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8417 * c-decl.c (start_function): Don't warn if old prototype is builtin
8418 that's not in C's namespace.
8419 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8420 (_bb): Add prototype for ctime.
8421 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8423 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8425 * i386.c (ix86_fp_comparison_arithmetics_cost,
8426 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8427 ix86_fp_comparison_cost): New functions.
8428 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8429 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8430 two-branch sequences; make static.
8431 (ix86_use_fcomi_compare): Do decision according to the costs.
8432 (split_fp_branch): New.
8433 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8434 * i386-protos.h (ix86_expand_fp_compare): Remove
8435 (ix86_split_fp_branch): Declare.
8437 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8438 and ix86_comparison_operator.
8440 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8443 * i386.c (put_condition_code): Output properly the unordered/ordered
8444 compares in fp case.
8445 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8447 * tm.texi (REVERSE_CONDITION): Document.
8448 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8449 in -ffast-math mode.
8450 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8452 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8454 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8456 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8459 * config/sh/sh.c (mova_p): Fix test for mova_const.
8461 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8463 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8464 cpp_get_options rather than dereferencing pfile and using
8466 * scan-decls.c (scan_decls): Use return value of
8467 cpp_pop_buffer rather than CPP_BUFFER.
8469 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8471 * cppinit.c (cpp_handle_option): help_only is now part of the
8472 cpp_options structure.
8473 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8474 cpp_set_callbacks): New functions.
8475 * cpplib.h (cpp_callbacks): Break out as a named structure.
8476 (cpp_options): Move help_only here from cpp_reader.
8477 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8478 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8479 cpp_set_callbacks): New prototypes.
8480 * cppmain.c (main): Update for help_only.
8482 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8484 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8485 Also build and remove and install and uninstall c-tree.info and
8487 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8488 ($(srcdir)/cppinternals.info): New target.
8489 * c-tree.texi: Change file name used when makeinfo used without -o
8490 from ir.info to c-tree.info. Add info directory entry.
8491 * cppinternals.texi: Add info directory entry.
8492 * .cvsignore: Update.
8494 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8496 * c-typeck.c (store_init_value): Don't require constant initializer
8497 elements with -pedantic -std=c99.
8498 (digest_init): Change error about non-constant initializer elements
8500 (constructor_range_end): Remove.
8501 (constructor_incremental, designator_depth,
8502 designator_errorneous): New variables.
8503 (struct constructor_stack): Remove range_end, add incremental.
8504 (struct constructor_range_stack, constructor_range_stack): New.
8505 (struct initializer_stack): Add constructor_range_stack.
8506 (finish_init): Set it.
8507 (start_init): Likewise. require_constant_elements for non-static
8508 trees only if not flag_isoc99.
8509 (really_start_incremental_init): Remove constructor_range_end, add
8510 constructor_incremental.
8511 (pop_init_level): Likewise.
8512 (push_init_level): Likewise. If implicit and the subobject had some
8513 value set already, preinitialize the level with it.
8514 Warn about missing braces only if not pushing due to designators.
8515 (set_designator, push_range_stack): New functions.
8516 (set_init_label): Use them.
8517 (set_init_index): Likewise. Remove constructor_range_end.
8518 Error if designator index is outside of array bounds.
8519 (add_pending_init): Compare values of purpose index trees, not the
8520 trees themselves. Allow overwriting of already initialized element.
8521 Issue a warning if it had side-effects.
8522 (set_nonincremental_init, set_nonincremental_init_from_string): New
8524 (pending_init_member): Rename to...
8525 (find_init_member): ...this function. Call set_nonincremental_init
8526 if necessary. Compare values of purpose index trees, not the trees
8527 themselves. Return the actual value, not just non-zero if something
8529 (output_init_element): Remove checks for duplicates.
8530 If field has zero size, only check the initializer for correctness.
8531 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8532 if constructor_incremental is zero. Change error about initializers
8533 not computable at load time into pedwarn.
8534 (output_pending_init_elements): Compare bit positions, not
8535 FIELD_DECLs to take into account zero-sized fields.
8536 (process_init_element): Use constructor_range_stack to fill all
8537 ranges in the designator lists from current level up.
8538 * extend.texi: Update documentation for labeled elements.
8540 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8542 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8543 to function usage for arguments passed by reference. Optimize
8544 callee-copied arguments.
8545 * regmove.c (replace_in_call_usage): New function.
8546 (fixup_match_1): Call it.
8547 * cse.c (cse_insn): Canonicalize registers in function usage.
8548 * reload1.c (replace_pseudos_in_call_usage): New function.
8551 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8554 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8556 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8559 2001-01-12 DJ Delorie <dj@redhat.com>
8561 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8562 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8565 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8567 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8568 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8569 -std options alongside references to -ansi. Update some
8570 documentation for C99.
8571 * cpp.1: Regenerate.
8573 2001-01-12 Andreas Jaeger <aj@suse.de>
8575 * haifa-sched.c (restore_line_notes): Remove argument block B
8577 * sched-ebb.c (schedule_ebb): Change caller.
8578 * sched-rgn.c (schedule_region): Likewise.
8579 * sched-int.h (restore_line_notes): Adjust prototype.
8581 * loop.h: Remove wrong declaration of doloop_condition_get.
8583 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8585 * extend.texi: Move C++-extension-related node from the C section
8586 into the C++ section.
8588 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8590 * extend.texi: Refer to an array of pointers to functions instead
8591 of one of functions.
8593 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8594 Jan Hubicka <jh@suse.cz>
8596 * combine.c (reversed_comparison): Fix typo in last patch.
8598 (combine_reversed_comparison_code): Make static to follow
8599 prototype declaration.
8601 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8603 * install.texi: Remove misplaced duplicate entry.
8605 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8607 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8609 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8611 * final.c: (leaf_function_p): Fix typo.
8613 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8615 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8616 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8618 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8619 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8620 mmap_anon, and valloc is available.
8621 * ggc-page.c: Restructure ifdef logic to match new autoconf
8622 spec. Don't throw away the test page in init_ggc.
8624 * configure, config.in: Regenerate.
8626 2001-01-12 Michael Hayes <mhayes@redhat.com>
8628 * loop.h (total_biv_increment): Constify iv_class pointer.
8629 (struct induction): Replace `mem_mode' with `mem' rtx.
8630 * unroll.c (total_biv_increment): Constify iv_class pointer.
8631 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8632 (find_mem_givs, combine_givs_p): Likewise.
8633 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8635 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8637 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8639 (__gthread_getspecific): Ditto.
8641 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8643 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8644 put_condition_code): Convert fp comparison codes to integer
8646 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8649 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8650 * i386-protos.h (no_comparison_operator): Kill.
8652 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8654 * combine.c (REVERSIBLE_CC_MODE): Remove.
8655 (reversible_comparison_p): Remove.
8656 (combine_reversed_comparison_code): New.
8657 (reversed_comparison): New.
8658 (combine_simplify_rtx): Use
8659 combine_reversed_comparison_code/reversed_comparison instead
8660 of reversible_comparison_p.
8661 (simplify_if_then_else): Likewise.
8662 (simplify_set): Likewise.
8663 (simplify_logical): Likewise.
8664 (if_then_else_cond): Likewise.
8665 (known_cond): Likewise.
8666 (simplify_comparison): Likewise.
8668 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8670 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8671 sizeof (int) is larger than sizeof(__word__).
8673 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8675 * cppinit.c (do_includes): Fix typo.
8677 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8679 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8680 in S_REGS does not occur because not all sources are possible
8681 when a S_REGS is a destination (sometimes needs a clobber).
8682 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8683 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8684 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8685 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8686 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8687 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8688 (lshrdi_const1, lshrsi3_const16): Likewise.
8689 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8690 (*movhi_68hc12, *movqi_68hc12): Likewise.
8691 (movstrictqi): Make sure reloading in D_REGS as a destination
8694 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8696 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8698 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8700 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8701 -D, -U and -A, and don't initialize the builtins.
8702 (do_includes): Error if -include or -imacros with -fpreprocessed.
8703 * cppmain.c (cb_define, cb_undef): Unconditionally process
8705 * tradcpp.c (main): Fix typo.
8707 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8709 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8710 (read_name_map): Use IS_ABSOLUTE_PATH.
8711 * tradcpp.c (get_filename): Likewise.
8713 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8715 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8716 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8717 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8718 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8719 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8720 (cmphi_z_used): Don't use '@' for the output.
8721 (tstqi_z_used): Likewise.
8722 (cmpqi_z_used): Likewise.
8723 (one_cmplsi2): Likewise.
8725 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8727 * config/sh/sh.c (barrier_align): Recognize branch around far
8728 branch and redundant insn.
8730 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8732 * invoke.texi: Restore documentation of the drivers' switches -MD
8735 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8737 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8739 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8740 check-objc//%): Support parallel testing of multilibs.
8741 (TESTSUITEDIR): Set to testsuite by default, but override for
8743 (check-gcc, check-g++, check-g77, check-objc): Enter
8746 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8748 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8749 * sched-deps.c (deps_may_trap_p): Likewise.
8750 * basic-block.h: Remove a comment.
8751 * flow.c (PROP_POSTRELOAD): Remove.
8752 (update_life_info): Don't add it to prop_flags.
8753 (mark_set_1): Lose the code that was enabled by it.
8755 2001-01-11 Michael Hayes <mhayes@redhat.com>
8757 * flow.c (flow_call_edges_add): New.
8758 * basic_block.h (flow_call_edges_add): New.
8760 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8762 * reload1.c (move2add_note_store): Update reg_set_luid even if
8763 base reg remains the same.
8765 2001-01-10 Nick Clifton <nickc@redhat.com>
8767 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8768 machine_function structure to zero.
8769 Add prototypes for machine_status functions.
8771 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8773 * c-common.h (CTI_VOID_LIST): Remove.
8774 (void_list_node): Likewise.
8775 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8776 (void_list_node): New macro.
8777 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8778 * config/i386/i386.c (ix86_init_builtins): Likewise.
8779 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8781 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8783 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8784 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8786 * tradcpp.c: Include mkdeps.h.
8787 (deps, print_deps_phony_targets, deps_append, output_deps,
8788 init_dependency_output, output_deps): New.
8789 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8790 deps_output): Delete.
8791 (print_deps_missing_files): Rename deps_missing_files.
8792 (inhibit_output): Make global.
8793 (main): Delete inhibit_output, deps_stream, deps_target.
8794 Use mkdeps functionality in the same way as cpplib. Remove
8795 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8796 -M and -MM. Remove old handling of deps via deps_out, and
8797 old reading of environment variables.
8798 (get_filename): Update to use deps_add_dep.
8800 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8802 * output.h (make_function_rtl): Remove prototype.
8803 (make_decl_rtl): Likewise.
8804 * varasm.c (make_function_rtl): Remove.
8805 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8806 than from a third parameter.
8807 * tree.h (make_decl_rtl): Remove last parameter.
8808 * c-decl.c (builtin_function): Remove last argument in call to
8809 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8810 (start_function): Likewise.
8811 * except.c (call_get_eh_context): Likewise.
8812 * expr.c (emit_block_move): Likewise.
8813 (clear_storage): Likewise.
8814 * profile.c (output_func_start_profiler): Likewise.
8815 * toplev.c (rest_of_decl_compilation): Likewise.
8816 * objc/objc-act.c (create_builtin_decl): Likewise.
8817 (synth_module_prologue): Likewise.
8818 (generate_static_reference): Likewise.
8819 (build_selector_reference_decl): Likewise.
8820 (build_class_reference_decl): Likewise.
8821 (build_objc_string_decl): Likewise.
8822 (build_protocol_reference): Likewise.
8824 2001-01-10 Richard Henderson <rth@redhat.com>
8826 * hwint.h: Revert yesterday's change.
8828 2001-01-10 Nick Clifton <nickc@redhat.com>
8830 * function.h (save_machine_status): Delete.
8831 (restore_machine_status): Delete.
8832 Amend comment describing {init|mark|free}_machine_status.
8834 * function.c (save_machine_status): Delete.
8835 (restore_machine_status): Delete.
8836 Amend comment describing {init|mark|free}_machine_status.
8837 (push_function_context_to): Remove invocation of
8838 save_machine_status.
8839 (pop_function_context_from): Remove invocation of
8840 restore_machine_status.
8842 * emit-rtl.c (init_emit_once): Amend comment describing
8843 {init|mark|free}_machine_status.
8845 * tm.texi (Per-Function Data): New node. Describe the
8846 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8849 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8851 * cppinit.c (OPT_g): Remove.
8852 (cpp_handle_option): Update for removed -g3.
8853 (print_help): Update.
8854 * cpplib.h (struct cpp_options): Remove debug_output.
8855 * cppmain.c (setup_callbacks, cb_define): Update.
8856 * gcc.c (cpp_options): Translate -g3 to -dD.
8858 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8860 * config/i960/i960.md: Change modifier to + on the zero_extract
8861 pattern after the (rotate -2 reg) canonicalization pattern.
8863 2001-01-10 Richard Henderson <rth@redhat.com>
8865 * config/alpha/alpha.c (alpha_free_machine_status): New.
8866 (override_options): Install it.
8867 (alpha_mark_machine_status): Verify machine non-null.
8868 * config/i386/i386.c (ix86_free_machine_status): New.
8869 (override_options): Install it.
8870 (ix86_init_machine_status): Use xcalloc.
8871 (ix86_mark_machine_status): Verify machine non-null.
8872 * config/ia64/ia64.c (ia64_free_machine_status): New.
8873 (ia64_override_options): Install it.
8874 (ia64_mark_machine_status): Verify machine non-null.
8876 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8878 * function.c (instantiate_virtual_regs): Instantiate virtual
8879 registers found in CALL_INSN_FUNCTION_USAGE.
8881 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8883 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8884 equivalent to -ansi in disabling -Di386.
8886 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8888 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8890 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8892 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8894 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8896 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8898 * invoke.texi: Document that -fcond-mismatch isn't supported for
8901 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8903 * gcc.texi: Define macro gcctabopt.
8904 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8905 @command, @env and @option in some places where appropriate. Use
8906 @gcctabopt where appropriate. Put URLs and email addresses inside
8909 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8911 * gcc.c (cpp_options): Set MD file name from output
8912 filename, if specified.
8913 (suffix_subst): New static variable.
8914 (do_spec): Clear it.
8915 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8917 (give_switch): Handle suffix_subst.
8919 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8921 * invoke.texi: Fix another typo.
8923 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8925 * invoke.texi: Fix typo.
8927 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8929 * c-lang.c (lang_hooks): Update.
8930 (lang_decode_option): Remove.
8931 (lang_init_options): Rename c_init_options.
8932 * toplev.c (main): Use lang_hooks for lang_init_options
8933 and lang_decode_option.
8934 * toplev.h (lang_hooks): Add 2 new hooks.
8935 * tree.h: Remove lang_init_options and lang_decode_option.
8936 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8937 * cp/decl2.c: Similarly.
8938 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8939 (lang_hooks): Update.
8940 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8942 (lang_init_options): Rename ffe_init_options.
8943 (lang_hooks): Update.
8944 (lang_decode_option): Remove.
8945 * java/lang.c (lang_init_options): Rename java_init_options.
8946 (lang_decode_option): Rename java_decode_option.
8947 (lang_hooks): Update.
8948 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8949 (lang_decode_option): Rename objc_decode_option.
8950 (lang_hooks): Update.
8952 2001-01-09 Nick Clifton <nickc@redhat.com>
8954 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8955 (d30v_return_addr_rtx): Delete.
8956 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8957 cfun->machine structure.
8958 (struct machine_function): Move to d30v.h
8959 (d30v_save_machine_status): Delete.
8960 (d30v_restore_machine_status): Delete.
8961 (d30v_init_machine_status): New Function.
8962 (d30v_mark_machine_status): New Function.
8963 (d30v_free_machine_status): New Function.
8964 (d30v_init_expanders): Use new functions.
8965 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8966 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8967 d30v_return_addr_rtx.
8969 * config/d30v/d30v.h (struct_machine): Move here.
8970 Add eh_epilogue_sp_ofs field.
8972 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8973 field in cfun->machine structure.
8975 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8977 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8978 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8979 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8981 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8983 * objc/lang-options.h: Remove bogus reference to
8986 2001-01-09 Kazu Hirata <kazu@hxi.com>
8988 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8991 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8993 * reload.c (find_reloads_address): Check for eliminable registers
8994 when substituting a constant expression for a pseudo.
8996 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8998 * c-common.c (enum format_type): Add format_type_error.
8999 (decode_format_type): New function.
9000 (decl_attributes): Use it.
9001 (format_kind_info): Adjust comment.
9003 2001-01-09 David O'Brien <obrien@BSDi.com>
9005 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9006 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9008 * config/i386/gnu.h: Don't include required platform specific .h files,
9009 tm.h will do it instead.
9010 * config/i386/i386elf.h: Likewise.
9011 * config/i386/linux.h: Likewise.
9012 * config/i386/moss.h: Likewise.
9013 * config/mips/gnu.h: Likewise.
9015 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9017 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9018 (rs6000-ibm-aix3.[01]*): Likewise.
9019 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9020 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9021 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9022 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9023 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9024 (powerpc-*-eabiaix*): Likewise.
9025 (powerpc-*-eabisim*): Likewise.
9026 (powerpc-*-elf*): Likewise.
9027 (powerpc-*-eabi*): Likewise.
9028 (powerpc-*-rtems*): Likewise.
9029 (powerpc-*-linux*libc1): Likewise.
9030 (powerpc-*-linux*): Likewise.
9031 (powerpc-wrs-vxworks*): Likewise.
9032 (powerpcle-wrs-vxworks*): Likewise.
9033 (powerpcle-*-sysv*): Likewise.
9034 (powerpcle-*-elf*): Likewise.
9035 (powerpcle-*-eabisim*): Likewise.
9036 (powerpcle-*-eabi*): Likewise.
9037 (powerpcle-*-solaris2*): Likewise.
9038 * config/rs6000/aix31.h: Delete includes.
9039 * config/rs6000/aix3newas.h: Likewise.
9040 * config/rs6000/aix41.h: Likewise.
9041 * config/rs6000/aix43.h: Likewise.
9042 * config/rs6000/beos.h: Likewise.
9043 * config/rs6000/rtems.h: Likewise.
9044 * config/rs6000/sysv4.h: Likewise.
9046 2001-01-09 Kazu Hirata <kazu@hxi.com>
9048 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9049 Change an argument mode of machine_mode to shift_mode of
9050 shift_mode. Remove an extra error check.
9051 (emit_a_shift): Adopt to the new calling prototype of
9053 (function_prologue): Fix code for a monitor
9054 function. Support H8/S.
9055 (function_epilogue): Do not output pop for a monitor function.
9057 2001-01-09 Nick Clifton <nickc@redhat.com>
9059 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9060 (setup_incoming_varargs): Use sysv_varargs_p field of the
9061 cfun->machine structure.
9062 (struct machine_function): Move to rs6000.h
9063 (rs6000_save_machine_status): Delete.
9064 (rs6000_restore_machine_status): Delete.
9065 (rs6000_init_machine_status): New Function.
9066 (rs6000_free_machine_status): New Function.
9067 (rs6000_init_expanders): Use new functions.
9069 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9071 (struct machine_function): Move here.
9073 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9074 sysv_varargs_p field of the cfun->machine structure.
9076 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9078 (rs6000_restore_machine_status): Remove prototype.
9080 2001-01-09 Richard Henderson <rth@redhat.com>
9082 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9083 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9084 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9085 (sched_analyze_2, sched_analyze_insn): Likewise.
9086 (sched_analyze, init_deps): Likewise.
9087 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9088 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9089 (compute_block_backward_dependences): Update propagate_deps call.
9091 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9093 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9095 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9097 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9098 (cpp_handle_option): Handle them.
9099 (cpp_post_options): Ensure one of -M or -MM is specified with
9100 any other -M? option.
9101 (init_dependency_output): Suppress output with -MG.
9103 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9106 * invoke.texi: Update.
9108 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9110 * sh.md (reload_outsf): Generate recognizable patterns for
9113 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9115 * c-lang.c (lang_hooks): Update.
9116 (lang_init): Rename c_init.
9117 (lang_finish): Remove.
9118 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9120 * toplev.h (lang_hooks): Add init () and finish ().
9121 * tree.h (lang_init, lang_finish): Remove.
9122 * cp/tree.h (lang_init, lang_finish): Remove.
9123 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9124 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9126 (lang_init, lang_finish): Remove.
9127 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9128 (lang_hooks): Update.
9129 * java/lang.c (lang_init): Rename java_init.
9130 (lang_finish): Remove.
9131 (lang_hooks): Update.
9132 * objc/objc-act.c (lang_init): Rename objc_init.
9133 (lang_finish): Remove.
9134 (lang_hoooks): Update.
9136 20001-01-09 Graham Stott <grahams@redhat.com>
9138 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9139 after `ptr` is initialised.
9141 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9143 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9144 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9145 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9146 stack adjusts, instead of r3.
9148 2001-01-09 Michael Hayes <mhayes@redhat.com>
9150 * flow.c (flow_loop_scan): Break out of ...
9151 (flow_loops_find) ... here.
9152 * basic-block.h (flow_loop_scan): New.
9153 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9154 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9156 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9158 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9160 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9161 realloc()ing macro_buffer.
9163 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9164 if it's wider than long and the target's long is wider than the
9167 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9169 Remove support for using UWIN as a host machine.
9170 * configure.in: Issue an error message.
9171 * configure: Regenerated.
9172 * config.gcc: Remove xm_* UWIN configury.
9173 * config/i386/xm-uwin.h: Remove.
9175 2001-01-08 Nick Clifton <nickc@redhat.com>
9177 * config/v850/v850.c (ra_rtx): Delete.
9178 (v850_save_machine_status): Delete.
9179 (v850_restore_machine_status): Delete.
9180 (v850_init_machine_status): New function.
9181 (v850_mark_machine_status): New function.
9182 (v850_free_machine_status): New function.
9183 (v850_return_addr): Use ra_rtx field in machine structure.
9184 (v850_init_expanders): Use new functions.
9186 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9187 * config/v850/v850.c: Change arguments to v850_output+* functions
9188 to take a const char *, to avoid compile time warning.
9189 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9190 (USER_LABEL_PREFIX): Redefine.
9192 2000-01-08 Jim Wilson <wilson@redhat.com>
9194 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9195 1 to unsigned HOST_WIDE_INT before left shift.
9197 2001-01-08 Nick Clifton <nickc@redhat.com>
9199 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9200 the machine structure has been allocated.
9201 (arm_free_machine_status): New function: Free the machine
9202 specific function structure.
9204 2001-01-08 Richard Henderson <rth@redhat.com>
9206 * jump.c (simplejump_p): Revert last change.
9208 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9210 * cppinit.c (init): Rename init_library.
9211 (cpp_create_reader): Update.
9212 * gcc.c (cpp_options): If -o given, use it as the target of
9215 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9217 * arm.c (arm_arch5e): New variable.
9218 (all_cores): XScale is a 5TE device.
9219 (arm_override_options): Set arm_arch5e.
9220 (arm_init_builtins): __builtin_prefetch is in arch5e.
9221 * arm.h (arm_arch5e): Declare it.
9223 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9225 * arm.md (define_constants): Add defines for UNSPEC and
9226 UNSPEC_VOLATILE insns. Update all users.
9227 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9228 * arm.c (multi_register_push, note_invalid_constants)
9229 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9230 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9231 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9233 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9235 * jump.c (jump_optimize_1): Use reversed_comparison_code
9236 instead of can_reverse_comparison_p.
9237 (jump_back_p): Likewise.
9238 (invert_exp_1): Likewise.
9239 (thread_jumps): Likewise.
9240 * simplify-rtx.c (simplify_unary_operation): Likewise.
9241 (simplify_ternary_operation): Likewise.
9242 * cse.c (find_comparison_args): Convert to use
9243 can_reverse_comparison_p.
9244 (record_jump_equiv): Likewise.
9246 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9248 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9249 (EPILOGUE_USES): Define.
9250 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9251 automatically stack the LR if it isn't live.
9253 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9255 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9258 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9260 * ggc-page.c (max_alignment): New structure.
9261 (MAX_ALIGNMENT): New macro.
9262 (init_ggc): Use it to round up the sizes in the
9263 extra_order_size_table.
9265 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9267 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9270 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9272 * builtins.def (BUILT_IN_FPRINTF): New entry.
9274 * c-common.c (c_expand_builtin_fprintf): New function.
9275 (init_function_format_info): Handle __builtin_fprintf.
9276 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9277 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9279 * c-decl.c (duplicate_decls): Adjust comment.
9281 * extend.texi (fprintf): Document new builtin.
9283 2001-01-07 Richard Henderson <rth@redhat.com>
9285 * jump.c (simplejump_p): Recognize any single_set jump
9288 2001-01-07 Richard Henderson <rth@redhat.com>
9290 * configure.in (slibdir): Accept an --with-slibdir option.
9291 Use "test" not "[" in configure. Default to $(libdir).
9293 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9295 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9296 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9297 (SHLIB_LINK): Create links for the soname.
9298 * config/mips/t-iris6: Likewise.
9299 * config/sparc/t-slibgcc: Likewise.
9300 * config/sparc/t-slibgcc-sld: Likewise.
9302 2001-01-07 Jakub Jelinek <jakub@redhat.com>
9304 * config/i386/i386.c (constant_call_address_operand): Accept
9305 (const (plus (symbol_ref) (const_int))).
9306 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9307 constant_call_address_operand.
9309 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9311 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9312 and LONG_LONG_TYPE_SIZE > 32.
9314 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9316 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9317 the previous change.
9319 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9321 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9323 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9324 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9325 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9328 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9330 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9332 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9334 * c-lang.c (c_post_options): Call cpp_post_options.
9335 * objc/objc-act.c (objc_post_options): Similarly.
9336 * cppmain.c (main): Similarly.
9337 * fix-header.c (read_scan_file): Similarly.
9338 * cppinit.c (cpp_start_read): Move option consistency checks
9339 to cpp_post_options. Don't call init_dependency_output.
9340 If needed, add default target and main file dependency.
9341 (OPT_MD, OPT_MMD): Remove.
9343 (cpp_handle_option): Update for OPT_* changes.
9344 (cpp_post_options): New.
9345 (init_dependency_output): Command line -MF overrides environment
9346 variables. Don't set default target etc. Suppress output
9347 if dependencies are going to stdout.
9348 (print_help): Update.
9349 * cpplib.h (cpp_post_options): New.
9350 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9352 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9354 * jump.c (comparison_dominates_p): Support unordered compares.
9356 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9358 * simplify-rtx.c (simplify_relational_operation): Always simplify
9359 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9362 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9364 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9365 (nonzero_bits): Likewise.
9366 (simplify_comparison): Likewise.
9367 (num_sign_bit_copies): Likewise; return more sane value depending
9368 on STORE_FLAG_VALUE.
9369 (known_cond): Do not assume EQ to be always true for equivalent
9372 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9374 * cse.c (fold_rtx): Handle unordered comparisons.
9376 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9378 * rtlanal.c (set_of_1): New static function.
9379 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9380 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9381 reg_set_last_last_regno): Remove.
9382 (set_of): New global function.
9383 (set_of_data): New structure.
9384 (reg_set_p, reg_set_last): Revamp for set_of.
9385 * rtl.h (set_of): New.
9387 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9389 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9390 * extend.texi: Document _Exit builtin.
9392 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9394 * (initialize, initialize_builtins,
9395 initialize_dependency_output, initialize_standard_includes):
9396 Rename s/initialize/init. Update.
9397 (init_dependency_output): Move to after
9398 cpp_handle_options, the correct location temporally at least.
9399 (opt_comp): Move next to init (), its caller. Fix prototype.
9400 (init): Make "initialized" local scope.
9401 (cpp_create_reader): Always call init ().
9402 (cpp_start_read): Update.
9403 (output_deps): New function, broken out of cpp_finish.
9404 (cpp_finish): Break out output_deps.
9406 2001-01-07 Richard Henderson <rth@redhat.com>
9408 * collect2.c (COFF specific stuff): Revert 12-06 patch
9409 to prototype system functions.
9411 2001-01-07 Michael Hayes <mhayes@redhat.com>
9413 * hard-reg-set.h: Add multiple include guard.
9414 * basic-block.h (struct loop): Add `sink' field.
9415 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9416 (emit_iv_add_mult): Delete.
9417 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9418 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9419 (unroll_loop): Remove end_insert_before argument.
9420 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9421 (maybe_eliminate_biv_1): Likewise.
9422 (emit_iv_add_mult): Delete.
9423 (gen_add_mult, loop_regs_update): New.
9424 (loop_insn_emit_after, loop_insn_emit_before): New.
9425 (loop_insn_sink, loop_insn_sink_or_swim): New.
9426 (emit_iv_add_mult): Delete.
9427 (scan_loop): Set loop->sink.
9428 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9429 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9430 (maybe_eliminate_biv_1): Likewise.
9431 (maybe_eliminate_biv_1): Add basic block argument.
9432 * unroll.c (unroll_loop): Remove end_insert_before argument.
9433 (find_splittable_regs): Likewise.
9434 (find_splittable_regs): Use loop_insn_sink and its ilk.
9435 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9437 2001-01-07 Michael Hayes <mhayes@redhat.com>
9439 * loop.h (loop_insn_hoist): New prototype.
9440 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9441 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9442 (check_dbra_loop, load_mems): Likewise.
9443 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9444 (find_splittable_givs): Likewise.
9446 2001-01-07 Michael Hayes <mhayes@redhat.com>
9448 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9450 2001-01-07 Richard Henderson <rth@redhat.com>
9452 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9454 2001-01-07 Richard Henderson <rth@redhat.com>
9456 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9457 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9458 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9459 variant that handles a shared libgcc.
9460 (process_command): Always validate -{static,shared}-libgcc.
9461 (do_spec_1): New 'M' case.
9462 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9464 2001-01-07 Richard Henderson <rth@redhat.com>
9466 * Makefile.in (slibdir): New variable.
9467 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9468 (installdirs): Create slibdir.
9469 (install-libgcc, install-multilib): Defer to libgcc.mk.
9470 * configure.in (slibdir): Substitute.
9471 * mklibgcc.in (install): New target.
9473 * config/t-linux (SHLIB_LINK): Create links for the soname.
9474 (SHLIB_INSTALL): New.
9475 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9476 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9477 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9478 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9479 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9481 2001-01-07 Richard Henderson <rth@redhat.com>
9483 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9484 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9485 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9487 2001-01-07 Michael Hayes <mhayes@redhat.com>
9489 * loop.c (count_loop_regs_set): Delete.
9490 (load_mems_and_recount_loop_regs_set): Delete.
9491 (loop_regs_scan): Merge common code from count_loop_regs_set,
9492 scan_loop, and load_mems_and_recount_loop_regs_set.
9493 (scan_loop): Call load_mems directly and loop_regs_scan
9494 again if new registers created.
9496 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9498 * toplev.c (main): Call the front-end specific post_options
9499 hook if one is given.
9500 * toplev.h (struct_lang_hooks, lang_hooks): New.
9501 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9502 for the C front end.
9503 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9504 lang_hooks for the C++ front end.
9505 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9506 lang_hooks for the ObjC front end.
9507 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9508 * java/lang.c (lang_hooks): Hooks for the Java front end.
9510 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9512 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9513 for verbose DWARF[2] debugging.
9514 (cb_define, cb_undef): The new callbacks.
9515 * toplev.h (debug_define, debug_undef): Make const correct.
9516 * toplev.c (debug_define, debug_undef): Similarly. Do not
9517 perform the verbosity tests here anymore.
9519 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9521 * reload.c (subst_reloads): Take INSN argument. When
9522 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9523 * reload.h (subst_reloads): Adjust prototype.
9524 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9525 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9526 present in JUMP_INSNs and copy them to JUMP_LABEL.
9527 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9528 JUMP_INSNs and insns with REG_LABELs that are followed by
9529 JUMP_INSNs with the same REG_LABEL.
9530 * sched-rgn.c (is_cfg_nonregular): Likewise.
9531 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9533 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9535 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9537 2001-01-06 Richard Henderson <rth@redhat.com>
9539 * loop.c (scan_loop): Use xcalloc for the regs array.
9540 (load_mems_and_recount_loop_regs_set): Zero the new memory
9541 received from xrealloc.
9543 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9545 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9547 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9549 * integrate.c (copy_rtx_and_substitute): When copying
9550 an ignored return value, strip REG_FUNCTION_VALUE_P.
9552 2001-01-06 Michael Hayes <mhayes@redhat.com>
9554 * loop.c (debug_biv, debug_giv): New.
9555 (loop_biv_dump): Break out from ...
9556 (record_biv): ... here.
9557 (loop_giv_dump): Break out from ...
9558 (record_giv): ... here.
9559 (loop_bivs_check): Use print_simple_rtl.
9560 * unroll.c (loop_iterations): Use print_simple_rtl.
9562 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9564 * pa.md (return, return_internal): Modify patterns to prevent regrename
9565 mucking with the return pointer.
9567 2001-01-05 Richard Henderson <rth@redhat.com>
9569 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9571 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9573 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9574 version supplied by Matteo Frigo.
9576 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9578 * cpp.texi: Update for -MQ.
9579 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9580 (cpp_cleanup): Always free pfile->deps.
9581 (initialize_dependency_output): Don't create pfile->deps.
9582 (cpp_handle_option): Similarly.
9584 * gcc.c (cpp_options): Handle -MQ.
9585 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9586 * mkdeps.c (base_name): Remove.
9587 (deps_init): Don't allocate vector space until it's needed.
9588 (deps_free): Only free vectors if allocated.
9589 (deps_add_target, deps_add_dep): Update for initial allocation.
9590 (deps_add_default_target): Don't strip to the base_name.
9592 2001-01-05 DJ Delorie <dj@redhat.com>
9594 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9595 (INIT_EXPANDERS): Define.
9597 * config/v850/v850.c (struct machine_function): Define.
9598 (v850_save_machine_status): New function.
9599 (v850_restore_machine_status): New function.
9600 (v850_return_addr): New function.
9601 (v850_init_expanders): New function.
9603 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9604 and v850_init_expanders.
9606 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9608 * cpplib.h (struct cpp_reader): Add help_only field.
9609 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9610 (cpp_handle_option): Set pfile->help_only if we see -h,
9611 --help, -target-help, or --version. Print version string but
9612 do not set help_only if we see -v or -version. Make text
9613 printed by -v match that printed by (-)-version.
9615 * cppmain.c (main): Exit after option parsing if
9616 pfile->help_only is true.
9618 * toplev.c (independent_decode_option): Call print_version,
9619 then exit, if we see --version (but not -version).
9620 (print_version): Split lengthy message into two lines.
9622 2001-01-05 Nick Clifton <nickc@redhat.com>
9624 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9625 temporary string for initialisation before calling ggc_alloc_string.
9627 2001-01-06 Michael Hayes <mhayes@redhat.com>
9629 * rtl.h (print_simple_rtl): New.
9630 * print-rtl.c (print_simple_rtl): New.
9632 (print_rtx): Disable printing of flags and modes, etc.,
9633 if `flag_simple` nonzero.
9635 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9637 * function.c (fixup_var_refs): Use push_to_full_sequence where
9640 2001-01-05 Michael Meissner <meissner@redhat.com>
9642 * flags.h (flag_reorder_blocks): Add declaration.
9643 (flag_rename_block): Ditto.
9645 2001-01-05 DJ Delorie <dj@redhat.com>
9647 * function.c (reorder_blocks): Make sure the flags are all reset
9648 before using them to mark blocks, else a second invocation will
9649 corrupt the block chain.
9650 (reorder_blocks_0): New, resets the flags.
9652 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9654 * cse.c (find_comparison_args): Stop if the argument is known to
9657 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9659 * config/sh/sh.md (movdf): When splitting load into pair of
9660 registers, don't clobber the register used in the address too
9663 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9665 * varasm.c (mark_constant_pool): Improve initial comments.
9666 (mark_constants): Move marking of constants to mark_constant.
9667 (mark_constant): New function to recursively mark all constants
9668 referred to by a constant.
9670 2001-01-05 Catherine Moore <clm@redhat.com>
9672 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9674 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9676 * cp/lang-options.h: Bring comment in line with reality.
9677 * f/lang-options.h: Likewise.
9678 * java/lang-options.h: Likewise.
9679 * objc/lang-options.h: Likewise.
9680 * ch/lang-options.h: Likewise.
9681 * f/g77.texi: And update the manual.
9683 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9684 Denis Chertykov <denisc@overta.ru>
9686 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9687 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9688 * config/avr/avr.md (all peepholes that request a scratch register):
9689 Call it, FAIL the peephole if not safe (in interrupt functions).
9691 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9693 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9695 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9697 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9699 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9700 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9701 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9702 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9703 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9705 * extend.texi: Document these builtins.
9707 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9709 * c-common.c (lang_get_alias_set): Say we know nothing of
9710 VECTOR_TYPE aliasing.
9712 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9714 2001-01-05 Bruce Korb <bkorb@gnu.org>
9716 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9717 their x* equivalent versions for atexit-less systems
9718 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9719 systems (or any other system any more).
9721 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9723 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9724 output operands. Use arm_hard_register_operand for operand 4.
9725 (stmsi_postinc): Similarly.
9726 (ldmsi): Use arm_hard_register_operand for opernand 2.
9728 * arm.c (arm_hard_register_operand): New function.
9729 * arm-protos.h (arm_hard_register_operand): Prototype it.
9731 * arm.h (HARD_REGNO_RENAME_OK): Define.
9733 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9735 * simplify-rtx.c (cfc_args): add "unordered" field.
9736 (check_fold_consts): Set unordered field.
9737 (simplify_relational_operation): Simplify the unordered
9740 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9743 * emit-rtl.c (try_split): Fix code to mark labels.
9744 * jump.c (mark_jump_label): Make global.
9745 * rtl.h (mark_jump_label): Declare.
9747 * predict.c (estimate_probability): Handle unordred comparisons.
9749 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9751 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9752 * cppinit.c (initialize_dependency_output): Update.
9753 (cpp_finish): Output dummy targets for -MP.
9755 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9756 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9757 * gcc.c (cpp_options): Update to handle -MP.
9758 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9759 to quote only the default target.
9760 (deps_phony_targets): Insert a preceding newline. Rename from
9761 deps_dummy_targets for consistency.
9764 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9766 * calls.c (emit_library_call_value_1): Support
9767 INIT_CUMULATIVE_LIBCALL_ARGS.
9768 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9770 2001-01-04 Richard Henderson <rth@redhat.com>
9772 * c-decl.c (finish_struct): Detect flexible array members
9773 used in an inappropriate context.
9774 * c-typeck.c (really_start_incremental_init): Special case
9775 constructor_max_index for zero length arrays.
9776 (pop_init_level): Allow initialization of flexible array
9777 members. Deprecate initialization of zero length arrays.
9778 Don't issue missing initializer warning for flexible array
9779 members or zero length arrays.
9780 (process_init_element): Don't dereference null DECL_SIZE.
9781 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9782 Don't abort for empty constructors. Use size_binop
9783 (output_constructor): Add commentary regarding zero length
9784 array futures. Abort if we try to initialize an array of
9785 unspecified length with a non-empty constructor in the middle
9788 * extend.texi (Zero Length): Update and clarify documentation
9789 on static initialization.
9791 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9793 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9794 with more than 32767 words of local storage.
9796 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9798 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9799 for 'abs', 'labs', and 'fabs'.
9800 (c4x_expand_builtin): Likewise.
9801 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9803 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9805 * config/sh/sh.md (prget, prset): New insn types.
9806 (return delay slot): Dont' allow prset.
9807 (call, sfunc delay slot): Don't allow prget.
9808 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9809 for prset and prget.
9811 2001-01-05 Michael Hayes <mhayes@redhat.com>
9813 * loop.h (struct loop_reg): New.
9814 (struct loop_regs): Change to use array of `struct loop_reg'.
9815 * loop.c: Replace assortment of varrays with single regs array.
9816 (count_one_set): Delete may_not_move array argument
9817 and use regs array instead. All caller's changed.
9818 (count_loop_regs_set): Delete may_not_move and single_usage
9819 arguments and use regs array instead. All caller's changed.
9820 (find_single_use_in_loop): Replace usage array argument with pointer
9821 to regs structure. All caller's changed.
9822 (loop_optimize): Delete `moved_once' array.
9824 2001-01-05 Michael Hayes <mhayes@redhat.com>
9826 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9827 Use it instead of loop_info->has_call for scanning loop mems.
9828 (check_dbra_loop): Replace loop_info->has_call test with
9829 loop_info->has_nonconst_call.
9831 2000-01-04 Matthew Hiller <hiller@redhat.com>
9833 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9836 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9838 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9839 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9841 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9843 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9844 (flag_short_double, flag_short_wchar): Define.
9845 (c_common_nodes_and_builtins): Create many tree nodes shared
9846 between C and C++ here instead of in cp/decl.c and ...
9847 * c-decl.c (init_decl_processing): ... here.
9848 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9849 (flag_short_double, flag_short_wchar): Don't define.
9850 (record_builtin_type): New function.
9851 (build_void_list_node): New function.
9852 * c-common.h (flag_short_double, flag_short_wchar,
9853 record_builtin_type, build_void_list_node): Declare.
9855 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9857 * integrate.c (expand_inline_function): Don't put a virtual
9858 register into the reg map.
9860 * function.c (fixup_var_refs_1): If force_operand didn't put
9861 the address into the target, move it there.
9863 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9865 Special-case tree_decl/tree_list allocations.
9866 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9867 (OBJECT_SIZE): New macro.
9868 (NUM_EXTRA_ORDER): Likewise.
9869 (extra_order_size_table): New variable.
9870 (NUM_ORDERS): New macro.
9871 (objects_per_page_table): New variable.
9872 (object_size_table): New variable.
9873 (G.pages): Use NUM_ORDERS to bound the array.
9874 (G.page_tails): Likewise.
9875 (DIV_ROUND_UP): Remove.
9876 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9877 (alloc_page): Use OBJECT_SIZE.
9878 (size_lookup): Don't make it const.
9879 (ggc_alloc): Use OBJECT_SIZE.
9880 (ggc_set_mark): Likewise.
9881 (ggc_get_size): Likewise.
9882 (init_ggc): Set up the object_size_table, objects_per_page_table,
9883 and adjust size_lookup.
9884 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9885 (ggc_pop_context): Use NUM_ORDERS.
9886 (clear_marks): Likewise.
9887 (sweep_pages): Likewise.
9888 (poison_pages): Likewise.
9889 (ggc_print_statistics): Use OBJECT_SIZE.
9891 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9893 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9894 Only call array_size_for_constructor if last field and array type
9895 with no upper bound.
9897 2001-01-04 Philip Blundell <philb@gnu.org>
9899 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9900 from bit 31 downwards, if this requires no more insns.
9901 (count_insns_for_constant): New helper function for above.
9903 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9905 * gencodes.c (output_predicate_decls): Remove empty initializer.
9907 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9909 * tree.c (copy_node): Remove documentation about obstacks.
9910 (buidl1): Check that nobody tries to build 2-argument nodes this
9913 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9915 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9918 * gencodes.c (output_predicate_decls): Fill empty initializer
9921 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9923 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9924 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9926 (do_include): Handle missing headers like cpp0.
9927 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9928 paths with first include pathname. Don't strcat to uninitialized
9931 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9933 * regrename.c (regrename_optimize): Don't rename from frame pointer
9934 if frame_pointer_needed.
9935 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9936 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9937 (ia64_reorg): Use it instead of scheduling if ! optimize.
9938 (errata_emit_nops): Properly call asm_noperands.
9939 (ia64_sched_reorder): Finish cycle if we see an asm.
9940 (ia64_variable_issue): Clear scheduling state after asms.
9942 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9944 * cpp.texi: Update for -MT.
9945 * cppinit.c (initialize_dependency_output): Add a default
9946 target if none has been given already.
9947 (no_tgt, OPT_MT): New.
9948 (cpp_handle_option): Handle -MT. Update -M etc.
9949 * cpplib.h (struct cpp_options): Remove deps_target.
9950 * gcc.c (cpp_options): Handle -MT.
9951 * mkdeps.c (struct deps): Move from mkdeps.h.
9952 (deps_calc_target): Rename deps_add_default_target. Add a
9953 default target if none has been specified already.
9954 * mkdeps.h (struct deps): Move to mkdeps.c.
9955 (deps_calc_target): Rename deps_add_default_target.
9957 2000-01-03 Richard Henderson <rth@redhat.com>
9959 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9961 * c-typeck.c (push_init_level): Move checks for flexible array
9962 members and zero length arrays ...
9963 (pop_init_level): ... here. Silently discard empty initializations.
9965 * varasm.c (output_constructor): Update for sizeof change to
9968 * extend.texi (Zero Length): Clarify semantics.
9970 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9972 * configure.in (tm.h): Include isns-codes.h last.
9973 * configure: Rebuilt.
9975 2001-01-03 Richard Henderson <rth@redhat.com>
9977 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9978 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9980 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9982 * tradcpp.c (main): Make sure finclude() is called with a valid
9983 indepth value while handling -include.
9985 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9987 * gencodes.c (output_predicate_decls): New function.
9989 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9990 even if it is not the first time machmode.h is #included.
9991 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9992 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9993 * gcc.texi (Copyright): Added 2001.
9995 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9997 * c-common.c (c_common_lang_init): New function. Warn if format
9998 warning options which only have effects when used with -Wformat
9999 are used without -Wformat.
10000 * c-common.h (c_common_lang_init): Declare.
10001 * c-lang.c (lang_init): Call c_common_lang_init.
10002 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10004 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10006 * configure.in: Check for the mktemp command.
10007 * configure: Regenerate.
10008 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10009 $TEMP. Create temporary files with mktemp, if available at
10010 configure time; otherwise use set -C. Remove temporary files
10013 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10015 * configure.in: Require at least texinfo 4.0. Check for whether
10016 Pod::Man is sufficiently recent to regenerate GCC manpages.
10017 * configure: Regenerate.
10018 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10020 (GENERATED_MANPAGES): Define.
10021 (generated-manpages): New target. Depend on cpp.1 as well as
10023 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10024 configure to generated-manpages or empty) rather than on the
10025 manpages directly. Remove execute permission from installed
10026 gcov.1 as well as cpp.1.
10027 * cpp.1, gcov.1: Regenerate.
10029 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10031 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10032 tree_low_cst. Allow using cmpstrsi in more cases.
10034 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10036 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10039 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10041 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10042 * Makefile.in (HOST_CFLAGS): Mention build-make.
10044 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10046 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10049 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10051 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10054 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10057 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10058 reg_base_value and reg_known_value arrays.
10059 (init_alias_analysis): Add more cases to detect known values.
10060 * sched-deps.c (deps_may_trap_p): New function.
10061 (sched_analyze_2): Use it.
10063 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10065 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10066 don't discard an ASHIFTRT if we're shifting in a wider mode.
10068 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10070 * toplev.c (rest_of_compilation): Don't print basic block information
10071 when CFG isn't up to date.
10073 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10075 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10076 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10077 (UNALIGNED_SHORT_ASM_OP): Define.
10078 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10080 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10082 * fold-const.c (fold_convert): Fix typo.
10084 2001-01-02 Richard Henderson <rth@redhat.com>
10086 * c-common.h (ASM_INPUT_P): New.
10087 * c-parse.in (asm): Set it when needed.
10088 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10089 existance of an operand.
10091 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10093 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10094 (dwarf2out_frame_debug_expr): Likewise.
10095 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10097 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10099 * i386.c (ix86_split_to_parts): Return number of part required;
10101 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10103 (ix86_split_long_move): Use number of part returned
10104 by ix86_split_to_parts
10105 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10107 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10108 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10109 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10110 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10111 (ALIGN_MODE_128): Add TFmode.
10112 (IS_STACK_MODE): Likewise.
10113 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10114 (HARD_REGNO_OK): Support TFmodes.
10115 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10116 * i386.md (scheduler definitions): Use memory operand to determine
10117 fst/fld instructions; use mode attribute to determine real mode of
10119 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10120 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10122 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10124 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10126 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10128 * expr.c (store_constructor_field): Update ALIGN before calling
10131 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10133 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10136 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10138 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10141 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10143 * c-decl.c (start_function): Don't warn on third parameter to main.
10145 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10147 * tsystem.h: Define HAVE_DECL_GETOPT.
10149 2001-01-02 Philip Blundell <pb@futuretv.com>
10151 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10154 2001-01-02 Richard Henderson <rth@redhat.com>
10156 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10158 2001-01-02 Andreas Jaeger <aj@suse.de>
10160 * c-decl.c (c_decode_option): Remove support of
10161 -Wmissing-noreturn.
10163 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10164 (W_options): Add -Wmissing-noreturn here.
10166 * flow.c: Define lang_missing_noreturn_ok_p.
10167 (check_function_return_warnings): Use it.
10169 * c-common.h: Declare lang_missing_noreturn_ok_p.
10171 * c-lang.c (c_missing_noreturn_ok_p): New function.
10172 (lang_init): Set lang_missing_noreturn_ok_p.
10174 * invoke.texi (Warning Options): Document this.
10176 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10178 * extend.texi (C++ Extensions): New node for C++ attributes;
10179 describe init_priority and com_interface.
10180 * invoke.texi: Remove -finit-priority as it now has zero effect.
10181 * install.texi: Fix xref syntax.
10182 * md.texi: Likewise.
10184 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10186 * config.gcc (sparc64-wrs-vxworks*): New case.
10187 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10189 * config/sparc/sparc.c (sparc_override_options): Do support different
10190 pointer and architecture size.
10191 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10192 (POINTERS_EXTEND_UNSIGNED): Define.
10193 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10194 (FUNCTION_MODE): Define to be Pmode.
10195 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10197 * function.c (expand_function_end): Properly handle DECL_RESULT
10198 and copy when ptr_mode != Pmode.
10199 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10201 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10203 * c-common.c (c_common_nodes_and_builtins): Set prototype
10204 parameters for __builtin_fputs, __builtin_fputc and
10205 __builtin_fwrite. Don't declare plain fputc as a builtin.
10207 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10209 * loop.c (add_label_notes): Increment the label usage count when
10210 a note is added to an insn which refers to a CODE_LABEL.
10211 * gcse.c (add_label_notes): Likewise.
10213 2001-01-01 Andreas Jaeger <aj@suse.de>
10215 * loop.c (scan_loop): Use xmalloc to allocate movables.
10217 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10219 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10220 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10221 * reload1.c (REGISTER_MOVE_COST): Likewise.
10222 * regclass.c (REGISTER_MOVE_COST): Likewise.
10223 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10224 dimension. Adjust all users.
10225 (init_reg_sets_1): Iterate on all modes.
10226 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10227 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10228 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10229 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10230 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10231 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10232 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10233 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10234 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10235 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10236 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10237 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10238 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10239 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10240 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10241 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10242 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10243 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10244 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10245 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10246 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10247 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10248 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10249 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10250 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10251 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10252 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10254 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10256 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10257 arg VARIES_P. Call it with extra arg.
10258 (true_dependence): Likewise.
10259 * rtl.h (rtx_addr_can_trap_p): Declare.
10260 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10262 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10263 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10264 pic offset table register if it's zero. All callers changed.
10265 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10267 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10269 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10270 STRING_POOL_ADDRESS_P.
10272 * config/sparc/sparc.c (input_operand): Properly test for short op.
10274 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10275 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10276 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10277 * config/sparc/elf.h: No longer include sol2.h.
10278 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10279 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10281 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10283 2001-01-01 Michael Hayes <mhayes@redhat.com>
10285 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10286 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10287 (record_initial): Likewise.
10288 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10289 (remap_split_bivs): Likewise.
10291 2001-01-01 Michael Hayes <mhayes@redhat.com>
10293 * loop.c (loop_ivs_free): New function.
10294 (strength_reduce): Break out from...
10296 2001-01-01 Michael Hayes <mhayes@redhat.com>
10298 * loop.h (struct iv): New.
10299 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10300 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10301 'reg_biv_class' fields with 'regs' and 'n_regs'.
10302 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10303 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10304 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10306 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
10308 * resource.c (mark_referenced_resources): Abort() before
10309 attempting to mark a pseudo register.
10310 (mark_set_resources): Likewise.
10312 2001-01-01 Michael Hayes <mhayes@redhat.com>
10314 * loop.h (REG_IV_CLASS): New accessor macro.
10315 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10316 * unroll.c (REG_IV_CLASS): Likewise.
10318 See ChangeLog.4 for earlier changes.
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