1 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3 * recog.c (apply_change_group): Avoid unneeded validating.
5 2001-05-14 David Edelsohn <edelsohn@gnu.org>
7 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
8 (num_insns_constant): CONST_INT can be 64-bits.
10 2001-05-14 Stan Shebs <shebs@apple.com>
12 * config/darwin.h (LIB_SPEC): Just use -lSystem.
13 (LIBGCC_SPEC): Don't define.
15 2001-05-14 Richard Henderson <rth@redhat.com>
17 * configure.in (gcc_cv_as_eh_frame): New test.
18 * config.in, configure: Rebuild.
19 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
21 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
23 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
24 extended precision divide.
26 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
28 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
31 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
33 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
34 (CPP_CPU??_SIZE_TYPE): New.
35 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
36 (CPP_CPU_SPEC): ... here; support choosing of CPU.
37 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
38 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
40 * i386.c (override_options): Add sorry about not suported modes.
42 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
44 * config/pa/som.h (NM_FLAGS): Remove.
45 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
46 (ASM_OUTPUT_SECTION_NAME): Remove.
47 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
49 2001-05-14 Mark Mitchell <mark@codesourcery.com>
51 * regrename.c (regrename_optimize): Do not rename registers to
54 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
56 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
57 contain MEMs. Remove useless distinction about clobbering
60 2001-05-13 Geoff Keating <geoffk@redhat.com>
62 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
63 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
64 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
65 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
66 (EXCEPTION_SECTION): Define.
68 2001-05-13 Zack Weinberg <zackw@stanford.edu>
70 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
71 binary backward compat only.
72 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
73 in LIB2FUNCS. Pass it to mklibgcc.
74 * mklibgcc.in: Handle LIB2FUNCS_ST.
76 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
78 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
80 * tm.texi (THREAD_MODEL_SPEC): Document it.
81 * gcc.c (main): Use it.
82 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
83 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
85 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
87 * rtl.h (SYMBOL_REF_WEAK): New macro.
88 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
89 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
90 * rtl.texi (SYMBOL_REF_WEAK): Document it.
91 * gcc.texi: Remove wrong description.
93 2001-05-13 Mark Mitchell <mark@codesourcery.com>
95 * Makefile.in (STAMP): New macro.
96 Replace all uses of `touch' with $(STAMP).
97 * fixinc/Makefile.in: Likewise.
99 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
101 * configure.in: ldopen is never in -lexc, so don't test for it.
102 Add test for exc_resume in -lexc for Ada.
103 * configure: Regenerated.
105 2001-05-12 Richard Henderson <rth@redhat.com>
107 * dwarf2asm.c (size_of_encoded_value): New function.
108 * dwarf2asm.h: Declare it.
109 * except.c (output_function_exception_table): Align the TType
110 array only as wide as the encoding.
112 2001-05-12 Zack Weinberg <zackw@stanford.edu>
114 * extend.texi: Document #pragma GCC java_exceptions.
116 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
118 * c-parse.in (bison parser, init_reswords): Remove uses of
120 * c-tree.h (doing_objc_thang): Remove.
122 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
124 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
125 about files not ending in newlines.
127 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
129 * dwarfout.c (dwarfout_init): Add cast.
130 * sched-deps.c (sched_analyze_insn): Remove unused vars.
131 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
133 * method.c (build_mangled_C99_name): Remove unused prototype.
135 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
137 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
139 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
141 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
142 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
144 2001-05-11 Richard Henderson <rth@redhat.com>
146 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
147 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
148 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
149 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
150 (dw2_output_indirect_constants): Prototype.
151 * dwarf2out.c (dwarf2out_begin_prologue): Generate
152 current_function_func_begin_label if we'll need it for EH. Exit
153 early for IA64_UNWIND_INFO.
154 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
155 (eh_data_format_name): Update for indirect references.
156 (output_function_exception_table): Care for IA64_UNWIND_INFO.
157 Handle ASM_PREFERRED_EH_DATA_FORMAT.
158 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
159 define HAVE_eh_return etc.
160 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
161 (final_end_function): Don't call output_function_exception_table.
162 * toplev.c (compile_file): Call dw2_output_indirect_constants.
163 (rest_of_compilation): Invoke output_function_exception_table
164 for ia64 before assemble_end_function.
165 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
166 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
168 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
169 * unwind.h: Declare them.
170 * libgcc-std.ver: Export them.
171 * unwind-pe.h: New file.
173 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
175 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
177 (find_fde_for_dso): Extract DT_PLTGOT.
178 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
179 the segment and gp as well.
180 * config/ia64/frame-ia64.c: Remove file.
181 * config/ia64/frame-ia64.h: Remove file.
182 * config/ia64/unwind-ia64.c: New file.
183 * config/ia64/unwind-ia64.h: New file.
184 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
185 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
186 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
187 (ASM_PREFERRED_EH_DATA_FORMAT): New.
188 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
189 (IA64_UNWIND_INFO): Re-enable.
190 (HANDLER_SECTION): Remove.
191 (EH_RETURN_DATA_REGNO): New.
192 * config/ia64/ia64.md (exception_receiver): Remove.
193 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
194 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
196 2001-05-11 Richard Henderson <rth@redhat.com>
198 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
199 calls and jumps to be bundled together.
200 (ia64_reorg): Emit a break after a noreturn call that ends
202 * config/ia64/ia64.md (break_f): New.
204 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
206 * c-lex.c (lex_charconst): Convert into a simple wrapper
207 around cpp_interpret_charconst, to which most of the code
209 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
210 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
211 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
212 (lex): Use cpp_interpret_charconst.
213 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
214 hex_digit_value): New functions.
215 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
216 * cpplib.h (cpp_interpret_charconst): New prototype.
217 * Makefile.in: Update.
219 2001-05-12 Dean Wakerley <dean@wakerley.com>
221 * doc/install.texi: New file. Converted to texinfo from the HTML
222 documentation in wwwdocs/htdocs/install.
224 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
226 * gcse.c (insert_insn_end_bb): Do not search for assignments to
227 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
229 * toplev.c (compile_file): Move comment for opening output
230 file to just before the code that opens the output file.
232 2001-05-11 Jakub Jelinek <jakub@redhat.com>
234 * regmove.c (regmove_optimize): Suppress the optimization for
235 unchanging destination register. Add comment above function.
237 2001-05-11 Zack Weinberg <zackw@stanford.edu>
239 * Makefile.in: Exterminate all references to assert.h.
240 * cross-make: Likewise.
242 * configure.in: Correct commentary.
243 * configure: Regenerate.
245 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
248 * config/t-freebsd, config/t-linux, config/t-linux-aout,
249 config/t-netbsd, config/t-rtems, config/x-linux,
250 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
251 No need to override INSTALL_ASSERT_H.
253 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
254 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
255 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
257 2001-05-11 Graham Stott <grahams@redhat.com>
259 * combine.c (simplify_comparison): Fix typo.
261 2001-05-11 Mark Mitchell <mark@codesourcery.com>
263 * loop.h (struct movables): Remove `num'.
264 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
265 Adjust call to strength_reduce.
266 (num_unmoved_movables): New function.
267 (move_movables): Don't set movables->num.
268 (strength_reduce): Compute the number of instructions in the loop
269 here, rather than in the caller.
270 (check_dbra_loop): Always clear reversible_mem_store if there
272 (loop_regs_scan): Don't count instructions here.
273 (count_insn_in_loop): New function.
275 2001-05-11 Mark Mitchell <mark@codesourcery.com>
277 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
279 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
281 * c-common.c (finish_label_expr): New function, lifted from
283 * c-common.h (finish_label_expr, lookup_label): New prototypes.
284 * c-parse.in: Move 3 blocks of parser code into new functions.
285 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
286 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
287 (lookup_label): Remove.
289 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
291 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
292 FLOAT_BIT_ORDER_MISMATCH.
294 2001-05-10 David Edelsohn <edelsohn@gnu.org>
296 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
297 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
299 2001-05-10 David Edelsohn <edelsohn@gnu.org>
301 * expr.c (emit_group_load): extract_bit_field requires a REG or
304 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
306 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
307 a computed jump into an unconditional jump.
308 In second hunk of code for collapsing computed and conditional jumps
309 into unconditional jumps, reemit the jump in additional cases.
311 * jump.c (jump_optimize_1): Do not wrap the new jump target
312 inside a LABEL_REF; gen_jump will do that automatically.
314 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
316 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
317 contents for a SYMBOL_REF in case of floating point constants.
319 2001-05-10 DJ Delorie <dj@redhat.com>
321 * c-common.c (combine_strings): Widen strings in a
322 host-endian-independent way.
324 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
326 * c-parse.in: Remove many shift/reduce conflicts. Update
328 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
329 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
330 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
331 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
332 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
333 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
334 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
335 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
336 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
337 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
338 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
339 typespec_reserved_nonattr, typespec_reserved_attr,
340 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
341 structsp_nonattr, components_notype, component_notype_declarator,
342 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
343 firstparm, setspecs_fp): New
344 (typed_declspecs, reserved_declspecs, typed_typespecs,
345 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
346 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
347 declmods_no_prefix_attr, nonempty_type_quals, structsp,
348 type_quals): Remove. Users updated.
349 (initdecls, notype_initdecls, after_type_declarator,
350 parm_declarator, notype_declarator, absdcl1, components, ivars):
351 Don't allow attributes at the start of a declarator; include them
352 in the production containing the declarator instead. Always
353 require type specifiers before trying to redeclare a typedef name.
354 (typename): Allow for attributes but warn that they are ignored.
355 (parmlist, firstparm, setspecs_fp): Include attributes in
356 parmlist; suck them off the parser stack in firstparm using
359 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
361 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
362 to determine if a block has an unconditional jump at its end.
364 * jump.c (jump_optimize_1): When converting a conditional jump
365 to an unconditional jump, build the jump using gen_jump instead
366 of just modify operands in-place.
368 2001-05-09 Zack Weinberg <zackw@stanford.edu>
370 * cppinit.c (cpp_post_options): Shut off macro expansion if
372 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
373 IN_I directives only if the # is in column 1 and the directive
374 name begins in column 2.
375 * cppmain.c (scan_buffer): Insert a space between # and an
376 identifier, when that identifier is a directive name.
378 * tradcpp.c (struct file_buf): Add a pointer to the next entry
379 in the header search path.
380 (enum node_type): Add T_INCLUDE_NEXT.
381 (directive_table): Add entry for include_next.
382 (do_include_next): New function.
383 (process_include): New routine, broken out of do_include.
384 (finclude): Insert 'nhd' argument, to be copied into
385 next_header_dir of the new buffer.
386 (main): Adjust to match.
387 * gsyslimits.h, limity.h: Un-indent #include_next.
389 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
391 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
392 inclusion as a chapter of the GCC manual.
393 * gcc.texi: Include objc.texi.
394 * fdl.texi: Use @unnumberedsec for the addendum.
395 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
397 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
399 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
401 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
403 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
404 handling of two-address insns.
406 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
408 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
409 ../binutils/nm-new instead of ../binutils/nm.
411 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
413 * i386.md (movdi splitter): Fix the splitting condition
414 (float_extenddftf splitter): Fix mode.
416 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
418 * genrecog.c (write_switch): Avoid outputting of switch for
419 types wider than int.
421 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
423 * reload1.c (copy_eh_notes): New function.
424 (emit_input_reload_insns): Call it.
425 (emit_output_reload_insns): Call it.
427 2001-05-07 Zack Weinberg <zackw@stanford.edu>
429 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
431 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
432 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
434 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
436 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
438 * pa.md (interspace_jump): Revise comment.
439 (builtin_longjmp): Block initial setup insns from delay slot of
441 (builtin_setjmp_receiver): New expander to save and restore PIC
444 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
446 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
448 * toplev.c (compile_file): Set up the output file before we call
449 the various initializers for the compiler.
451 * except.c (sjlj_mark_call_sites): Do not search for assignments to
452 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
454 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
455 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
457 2001-05-06 Zack Weinberg <zackw@stanford.edu>
459 * Makefile.in (tradcpp0): Correct typo in dependency list.
461 2001-05-06 Geoff Keating <geoffk@redhat.com>
463 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
464 the link register if we're not going to use it.
466 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
467 (output_function_profiler): Likewise.
469 2001-05-07 Alan Modra <amodra@one.net.au>
471 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
473 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
475 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
476 zero-extend it. Make abs_inc unsigned.
478 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
479 widest mode in narrowing and widening operations.
481 * config/mips/mips.md: Sign extend CONST_INTs.
483 2001-05-06 Andreas Jaeger <aj@suse.de>
485 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
486 (i386 Options): Document -momit-leaf-frame-pointer.
488 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
490 * c-typeck.c (internal_build_compound_expr): Check for
491 array to pointer conversion just once.
493 2001-05-05 Richard Henderson <rth@redhat.com>
495 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
497 2001-05-05 Richard Henderson <rth@redhat.com>
499 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
500 to the parent of the fixup region.
502 2001-05-05 Jakub Jelinek <jakub@redhat.com>
504 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
506 * cpp.texi (__NO_INLINE): Document it.
508 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
510 * cppfiles.c (struct include_file): New member err_no.
511 (find_or_create_entry): Set it.
512 (open_file): Don't set fds to -2. Instead, use err_no to
513 remember previous errors, if any.
515 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
517 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
518 between X and Y by using sequences of xgdx and xgdy.
520 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
522 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
523 of '!' for the 'D' alternative ('!' is too strong).
524 ("*logicalsi3_silshl16"): Likewise.
525 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
526 ("movstrictsi"): Remove spurious '+'.
527 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
528 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
529 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
532 2001-05-04 David Edelsohn <edelsohn@gnu.org>
534 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
536 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
538 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
541 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
543 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
546 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
548 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
549 soft register, use ror instead of rol.
551 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
553 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
554 into account pre/post increment decrement for 68HC12.
555 Fix other problems in replacement and fix call to reg_mentioned_p.
557 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
559 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
560 Put the soft registers in bss for 68HC12.
561 (L_regs_d3_4): New for _.d3 and _.d4.
562 (L_regs_d5_6): Likewise.
563 (L_regs_d1_2): Likewise.
564 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
566 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
568 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
569 to the pre-processor when -fshort-double is specified.
570 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
572 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
574 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
575 (__mulsi3): Rewrite for 68HC12.
576 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
577 Mark 'x' constraint with earlyclobber to prevent a
578 RELOAD_FOR_OTHER_ADDRESS to go in it.
579 (mulhi3_m68hc12): New pattern.
580 (mulhi3_m68hc11): Rename of mulhi3.
581 (mulhi3): New expand for 68HC12 optimisation.
582 (umulhisi3, mulhisi3): New patterns for 68HC12.
584 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
586 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
587 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
588 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
590 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
592 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
593 constants cheap after reload.
594 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
596 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
597 so that gcc prefers a shift by 16.
598 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
600 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
602 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
604 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
606 * alpha.h: NULL_PTR -> NULL.
616 * m68hc11.h: Likewise.
617 * rs6000.h: Likewise.
628 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
630 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
631 `bool' parameter to `int'.
633 * hash.c (hash_lookup): Likewise.
635 * hash.h (hash_lookup): Likewise.
637 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
639 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
641 * i386.c (x86_initialize_trampoline): Fix mode of constant.
643 2001-05-03 Geoff Keating <geoffk@redhat.com>
645 * invoke.texi (i386 Options): Delete references to -malign-jumps,
646 -malign-loops, -malign-functions.
647 * i386.c (ix86_align_funcs): Delete.
648 (ix86_align_loops): Delete.
649 (ix86_align_jumps): Delete.
650 (override_options): Mark -malign-* as obsolete. Emulate their
651 behaviour with the -falign-* options. Default -falign-* from
653 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
654 patch of Wed May 2 13:09:36 2001.
655 (LOOP_ALIGN): Delete.
656 (LOOP_ALIGN_MAX_SKIP): Delete.
657 (LABEL_ALIGN_AFTER_BARRIER): Delete.
658 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
660 2001-05-04 Andreas Jaeger <aj@suse.de>
662 * except.h: Add prototype declaration for
663 expand_builtin_init_dwarf_reg_sizes.
665 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
667 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
669 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
671 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
673 ("bitcmpqi2"): New pattern for bit-extract and test.
674 ("bitcmphi"): New pattern for bitb/bita instructions.
676 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
678 * gccbug.in: Use a temporary directory when the mktemp command is
681 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
683 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
685 (INITIALIZE_TRAMPOLINE): Call it.
686 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
687 (TRAMPOLINE_TEMPLATE): Remove.
688 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
689 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
692 2001-05-03 David O'Brien <obrien@FreeBSD.org>
694 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
695 and crtendS.o with PIC.
697 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
699 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
701 (___subdi3, ___adddi3): Use x instead of y as index register.
702 (__init_bss_section, __map_data_section): Optimize for 68HC12.
703 (__memset, __memcpy): Likewise.
704 (regs): Put the soft registers in bss for 68HC12.
705 (abort): Use trap to abort for 68hc12.
706 (__mulhi3, __mulhi32): Use emul for 68hc12.
707 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
709 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
711 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
712 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
713 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
714 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
715 Set 68HC12 min offset to -65536.
716 (print_operand): Put parenthesis arround the operand if it refers
717 to a symbol having the same name as a register.
718 (m68hc11_z_replacement): When z register is replaced by its
719 equivalent soft register, force the insn to be re-recognized.
720 (m68hc11_check_z_replacement): Fix the test when destination is
721 the index register and z dies in the insn.
722 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
724 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
726 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
727 costs according to processor variant.
728 (m68hc11_shift_cost): New function to compute shift costs.
729 (m68hc11_rtx_costs): Define costs according to processor variant.
730 (m6811_cost): Costs for 68HC11.
731 (m6812_cost): Costs for 68HC12.
732 (COSTS_N_INSNS): Remove.
734 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
735 (DEFAULT_RTX_COSTS): Remove.
736 (CONST_COSTS): Define costs according to OUTER_CODE.
737 (processor_costs): New struct to define costs.
738 (m68hc11_cost): Pointer to current costs.
740 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
742 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
743 and use m68hc11_notice_keep_cc when using leax/leay.
744 (addhi3 split): Reject split if the insn is handled by
746 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
747 push must be handled in a special way if the source operand uses
748 sp as index register.
749 (m68hc11_notice_keep_cc): New function.
750 (m68hc11_gen_movhi): Use it when an insn changes a register but
752 (m68hc11_gen_movqi): Fix move for 68HC12.
753 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
755 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
757 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
758 and don't pass operands[0] to emit_library_call_value.
760 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
762 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
763 (zero_extendsi split): Simplify and use (zero_extendhi).
764 (*addhi3): Remove 'w' constraint since stack pointer is handled
766 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
767 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
768 (*ashrhi3_const): Fix shift by 7.
769 (*lshrsi3_const16): Fix template.
770 (call, call_value): Fix constraint and predicate.
772 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
774 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
775 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
776 (CC_REGNUM): Likewise.
777 (*unnamed splits): Use above constants instead of hard coded numbers.
778 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
779 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
780 (*return_16bit, *unnamed peepholes): Likewise.
782 2001-05-03 David O'Brien <obrien@FreeBSD.org>
784 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
785 rs6000/rs6000.h twice.
787 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
789 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
790 (CPP_SPEC): Conditionally define MSDOS and GO32.
791 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
792 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
794 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
796 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
798 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
800 2001-05-03 Mark Mitchell <mark@codesourcery.com>
802 * integrate.h (struct inline_remap): Add leaf_reg_map table.
803 * integrate.c (expand_inline_function): Use xcalloc to allocate
805 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
808 2001-05-03 Mark Mitchell <mark@codesourcery.com>
810 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
813 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
815 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
816 linker if -mrelax is given.
817 (TARGET_SWITCHES): Document -mrelax.
819 Re-installed 2001-01-09's patch:
820 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
821 if it's wider than long and the target's long is wider than the
824 2001-05-02 David O'Brien <obrien@FreeBSD.org>
826 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
827 directly include rs6000/rs6000.h. Instead do it in tm.h.
829 2001-05-02 Stan Shebs <shebs@apple.com>
831 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
832 NSConstantString for NeXT-style runtimes.
833 (STRING_OBJECT_GLOBAL_NAME): New macro.
834 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
835 OCTI_STRING_CLASS_DECL.
836 (constant_string_global_id): New macro.
837 (string_class_decl): Ditto.
838 (setup_string_decl): New function.
839 (build_objc_string_object): Use it to build a NeXT runtime
840 compatible string initializer.
842 2001-05-02 Jakub Jelinek <jakub@redhat.com>
844 * tradcpp.c (do_define): Make sure we don't walk past limit.
846 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
848 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
849 offsets if not REG_OK_STRICT.
851 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
852 (INT_REG_OK_FOR_INDEX_P): Likewise.
853 (INT_REG_OK_FOR_BASE_P): Likewise.
854 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
855 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
856 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
857 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
858 REG_OK_FOR_BASE_P. Take an additional parameter.
859 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
860 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
861 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
862 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
863 rs6000_legitimate_address() and use it.
864 * config/rs6000/rs6000.c: Update all callers.
865 (rs6000_legitimate_address): New function.
867 2001-05-02 David Edelsohn <edelsohn@gnu.org>
869 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
870 special_constant conditional blocks together.
872 2001-05-02 Dale Johannesen <dalej@apple.com>
874 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
876 (STRICT_ARGUMENT_NAMING): Define.
877 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
878 function_arg_partial_nregs, setup_incoming_varargs): Remove
879 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
882 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
884 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
886 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
889 * expr.c (store_field): Do nothing except elaborate side-effects if
892 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
894 * c-lex.c: NULL_PTR -> NULL.
896 * emit-rtl.c: Likewise.
898 * genpeep.c: Likewise.
900 * mips-tdump.c: Likewise.
901 * reload1.c: Likewise.
902 * rtlanal.c: Likewise.
904 * stor-layout.c: Likewise.
905 * toplev.c: Likewise.
907 2001-05-01 Per Bothner <per@bothner.com>
909 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
910 call do_pending_stack_adjust before emiting label.
912 2001-05-01 Mark Mitchell <mark@codesourcery.com>
914 * extend.texi: Fix typo.
916 2001-05-01 Stan Shebs <shebs@apple.com>
918 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
919 of UOBJC_MODULES_decl.
920 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
921 (generate_descriptor_table): Ditto.
922 (generate_protocols): Ditto.
923 (generate_protocol_list): Ditto.
924 (generate_classref_translation_entry): Ditto.
926 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
928 * invoke.texi (Optimize Options): Add documentation for `--param
929 max-delay-slot-insn-search' and `--param
930 max-delay-slot-live-search' and reorder --param section.
931 * params.def: Modify initial comment.
932 * params.h (param_info): Add `help' member.
933 * toplev.c (lang_independent_params): Include `help' description.
934 (display_help): Print --param parameters.
936 2001-05-01 Zack Weinberg <zackw@stanford.edu>
938 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
939 Remove references to deleted files.
940 (*-*-openbsd): No need to override xmake_file.
941 (*-*-sysv4): Treat like *-*-sysv.
943 * configure.in: Probe for ldopen in various places, and set up
944 collect2 to be linked with them if found.
945 Don't dink with Windows registry stuff unless $host_os is a
946 Win32 os name. Check to see if we need -ladvapi32.
947 * configure: Regenerate.
949 * Makefile: Get rid of CLIB and HOST_CLIB.
950 Substitute in COLLECT2_LIBS and link collect2 against its contents.
951 * build-make: Get rid of HOST_CLIB.
953 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
954 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
955 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
956 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
957 config/rs6000/x-rs6000: Delete.
959 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
962 24 x-host fragments remain, 0 x-cpu, 3 top level.
964 2001-05-01 Zack Weinberg <zackw@stanford.edu>
966 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
967 * configure: Regenerate.
969 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
971 * Makefile.in (install-headers): Remove redundant dependency.
973 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
975 * c-tree.texi (USING_STMT): Document.
977 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
979 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
980 * c-common.c: Likewise.
981 * c-decl.c: Likewise.
982 * combine.c: Likewise.
983 * rs6000.c: Likewise.
984 * except.c: Likewise.
985 * explow.c: Likewise.
987 * fold-const.c: Likewise.
988 * function.c: Likewise.
991 * integrate.c: Likewise.
993 * objc/objc-act.c: Likewise.
995 * reg-stack.c: Likewise.
996 * reload.c: Likewise.
997 * reload1.c: Likewise.
998 * simplify-rtx.c: Likewise.
1000 * varasm.c: Likewise.
1002 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
1004 * diagnostic.def: New file.
1005 * diagnostic.h (diagnostic_t): New enum.
1006 * Makefile.in (diagnostic.o): Depend on diagnostic.def
1008 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1010 * tsystem.h: Test only POSIX for availability of string.h
1012 * config.gcc (all systems): If USG appeared in xm_defines,
1013 change it to POSIX. If both USG and POSIX appeared, just
1014 delete USG. Remove unnecessary quotes around xm_defines
1016 (m68k-crds-unos*): Don't #define unos - tested nowhere.
1017 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
1018 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
1019 powerpc-*-linux*): No need to set xm_defines - handled by
1020 global settings for *-*-linux*.
1022 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1024 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
1025 Always include gstab.h, not system stab.h. Don't provide
1026 default definitions of N_CATCH or N_OPT. Always use the
1027 gstab.h variant of STAB_CODE_TYPE.
1028 * final.c: Don't include stab.h/gstab.h at all, or provide
1029 defaults for N_SLINE and N_SOL.
1031 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
1032 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
1034 * sdbout.c: Always include gsyms.h instead of system syms.h.
1036 * configure.in: No need to check for stab.h.
1037 * configure, config.in: Regenerate.
1038 * Makefile.in (final.o): Don't depend on gstab.h.
1040 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1041 Richard Henderson <rth@redhat.com>
1043 * extend.texi: Improve documentation of volatile asms.
1045 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1047 * c-tree.texi: Fix thinko.
1048 * gcc.texi: Likewise.
1050 2001-04-30 Richard Henderson <rth@redhat.com>
1052 * c-common.c (c_promoting_integer_type_p): New function, from the
1053 corpse of old macro. Properly promote too-small enumerations and
1054 booleans. Adjust all callers.
1055 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1056 (c_promoting_integer_type_p): Declare.
1057 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1058 * c-typeck.c: Likewise.
1059 (default_conversion): Remove now redundant boolean check.
1061 2001-04-30 Jan Hubicka <jh@suse.cz>
1062 Richard Henderson <rth@redhat.com>
1064 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1066 (combine_stack_adjustments_for_block): Don't combine stack
1067 allocation followed by deallocations. Handle grow-up stacks.
1069 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1071 * fdl.texi: New file.
1072 * c-tree.texi: Use the GFDL.
1073 * gcc.texi: Likewise.
1075 2001-04-30 Stan Shebs <shebs@apple.com>
1077 * invoke.texi: Add a section documenting Objective-C options.
1079 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
1081 * emit-rtl.c (try_split): Copy EH notes to sequence.
1083 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1085 * regmove.c (record_stack_memrefs): Catch all references to the
1088 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
1090 * Makefile.in(stmp-fixinc): quote shell assignment values
1092 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1094 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
1098 * prefix.c: Likewise.
1100 2001-04-28 Stan Shebs <shebs@apple.com>
1102 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
1103 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
1104 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
1105 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
1107 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
1108 (NEXT_OBJC_RUNTIME): Define.
1110 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1112 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
1113 * simplify-rtx.c (simplify_gen_relational): Likewise.
1115 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
1117 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
1118 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
1120 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
1121 registers in SSE case; fix handling of the immediates.
1122 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
1123 operands to be in regsiters before reload.
1124 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
1125 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
1126 (abstf,absxf,negtf,negxf splitters): Compute
1127 properly the regnum for x86_64.
1128 (avsdf2_if_rex64): New.
1130 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
1132 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1133 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1134 into the constant pool.
1135 * jump.c (jump_optimize_1): Remove barrier successors after all
1136 the LABEL_NUSES counds have been computed.
1137 (delete_barrier_successors): When deleting a tablejump insn, also
1138 delete the jump table it uses.
1139 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1142 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
1144 * pa.c (FRP): Remove erroneous white space in macro definition.
1146 2001-04-28 Andreas Jaeger <aj@suse.de>
1148 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1150 * extend.texi: Likewise.
1151 * tm.texi: Likewise.
1153 2001-04-28 Andreas Jaeger <aj@suse.de>
1155 * md.texi: Use XX-bit instead of XXbit or XX bit where
1158 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
1160 * gcc.c (process_command): Allow -l lib in addition to -llib
1161 for POSIX compliance. This fixes PR c/2347.
1163 * invoke.texi: Update section on Link Options accordingly.
1165 2001-04-27 Zack Weinberg <zackw@stanford.edu>
1167 * function.c (purge_addressof_1): Remove the duplicate
1168 if (code == SET) block. Fold the two if (code == ADDRESSOF)
1171 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
1173 * except.c (expand_eh_region_start): Don't start a new block.
1174 (expand_eh_region_end): Don't end a block.
1175 * stmt.c (expand_end_bindings): Don't end EH blocks.
1176 (expand_decl_cleanup): Starting an EH region won't change the block.
1177 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1178 (is_eh_region): Lose.
1181 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1183 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1185 * collect2.c (main): Add `-L' case to remove duplicate entries.
1186 (is_in_args): New function to check for a duplicate argument.
1187 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1188 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1189 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1190 Define to be nonzero.
1192 2001-04-27 Andreas Jaeger <aj@suse.de>
1193 Richard Henderson <rth@redhat.com>
1195 * md.texi (Machine Constraints): Document additional i386
1196 constraints and fix description of "A".
1198 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
1200 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1202 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
1204 * except.c (get_exception_filter): word_mode, not Pmode.
1206 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1208 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1209 common to other movsf patterns. Move up so that in future
1210 people who change the other patterns will change it too.
1211 (movsf_lo_sum): Allow even for soft-float; add appropriate
1213 (movsf_high): Likewise.
1214 (movsf_high+1): Allow even for soft-float.
1216 * function.c (expand_function_end): Always clobber the
1217 return registers, even if there is no return label.
1219 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1221 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
1223 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1225 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
1226 (pushqi2_rex64, pushhi2_rex64): Add.
1228 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1230 * except.c (expand_eh_region_end_cleanup): Force pending stack
1231 adjust before emitting label that branches around cleanup code.
1233 2001-04-26 H.J. Lu (hjl@gnu.org)
1235 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1237 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1239 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1240 (ASM_OUTPUT_SECTION_NAME): Likewise.
1241 (ASM_WEAKEN_LABEL): Likewise.
1242 (UNIQUE_SECTION): Likewise.
1243 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1244 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1245 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1246 (ASM_OUTPUT_SECTION_NAME): Likewise.
1247 (ASM_WEAKEN_LABEL): Likewise.
1248 (UNIQUE_SECTION): Likewise.
1249 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1250 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1251 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1252 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1253 (ASM_FILE_START): Likewise.
1254 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1255 (ASM_DECLARE_OBJECT_NAME): Likewise.
1256 (ASM_FILE_END): Likewise.
1257 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1258 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1259 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1260 (ASM_OUTPUT_CASE_LABEL): Likewise.
1261 (ASM_OUTPUT_SKIP): Likewise.
1262 (ASM_OUTPUT_ASCII): Likewise.
1263 (ASM_OUTPUT_IDENT): Likewise.
1264 (READONLY_DATA_SECTION): Likewise.
1265 (EXTRA_SECTIONS): Likewise.
1266 (EXTRA_SECTION_FUNCTIONS): Likewise.
1267 (SELECT_RTX_SECTION): Likewise.
1268 (SELECT_SECTION): Likewise.
1270 * config/mips/linux.h (INVOKE__main): Undefine.
1271 (CTOR_LIST_BEGIN): Likewise.
1272 (CTOR_LIST_END): Likewise.
1273 (DTOR_LIST_BEGIN): Likewise.
1274 (DTOR_LIST_END): Likewise.
1275 (SET_ASM_OP): Defined it to ".dummy".
1276 (ASM_OUTPUT_DEF): Defined.
1277 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1279 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1281 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1282 assembler supports .p2align.
1284 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1286 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1288 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1290 * integrate.c (expand_inline_function): Check for error_mark_node
1293 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1295 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1298 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1300 * configure.in (configargs.h): Define thread_model.
1301 * configure: Rebuilt.
1302 * gcc.c (main): Print it with -v.
1304 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1306 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1307 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1308 * gcc.1: Regenerate.
1310 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1312 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1313 is_redundant_typedef): Use static inline instead of inline static.
1315 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1317 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1318 this directory is always searched.
1320 2001-04-25 Richard Henderson <rth@redhat.com>
1322 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1323 of registers to restore along non eh_return path.
1325 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1327 * c-format.c (check_format_info_recurse): Handle
1328 PLUS_EXPR for format string.
1330 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1332 * config/ia64/ia64.h (CC1_SPEC): Define.
1333 * config/ia64/linux.h (CC1_SPEC): Define.
1335 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1337 * emit-rtl.c (constant_subword): Also do sign extension in
1338 BITS_PER_WORD == 16 case.
1340 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1342 * loop.c (try_swap_copy_prop): Go back to checking insn.
1344 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1346 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1347 if check_mode is non-zero.
1349 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1351 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1352 out and comparison sequence has been detected, put result into
1353 proper temporary pseudo.
1355 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1357 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1358 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1359 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1360 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1361 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1362 for future reference.
1364 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1366 * except.c (reachable_handlers): Step out one level from a RESX.
1368 * except.c (struct eh_region): Rename 'last' to 'resume'.
1369 (mark_eh_region, duplicate_eh_region_1): Adjust.
1370 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1371 (build_post_landing_pads): Likewise.
1372 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1373 (expand_eh_region_end_must_not_throw): Likewise.
1374 (connect_post_landing_pads): Thread (only) regions with non-deleted
1377 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1378 registers around the cleanup.
1379 (get_exception_filter): New fn.
1380 (finish_eh_generation): Use it.
1382 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1384 * c-semantics.c (add_scope_stmt): Don't call
1385 current_scope_stmt_stack multiple times.
1387 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1388 Nathan Sidwell <nathan@codesourcery.com>
1390 Lazy __FUNCTION__ generation.
1391 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1392 RID_C99_FUNCTION_NAME): New _RIDs.
1393 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1394 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1395 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1397 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1398 (c99_function_name_decl_node, function_name_decl_node,
1399 pretty_function_name_decl_node, saved_function_name_decls):
1401 (struct language_function): Remove x_function_name_declared_p.
1402 (make_fname_decl): Remove a parameter.
1403 (declare_function_names): Remove prototype.
1404 (start_fname_decls, finish_fname_decls): Prototype.
1405 (fname_as_string): Likewise.
1406 (fname_string, fname_decl): Likewise.
1407 * c-common.c (make_fname_decl): Adjust.
1408 (struct fname_var_t): New struct.
1409 (fname_vars): New static array.
1410 (declare_function_name): Remove.
1411 (start_fname_decls, finish_fname_decls): New functions.
1412 (fname_as_string): New function from remnants of
1413 declare_function_name.
1414 (fname_string, fname_decl): New functions.
1416 * c-decl.c (c_function_name_declared_p): Remove.
1417 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1418 don't call declare_function_name. Call start_fname_decls.
1419 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1420 clobber the line number. Call finish_decl.
1421 (start_function): Call start_fname_decls.
1422 (finish_function): Call finish_fname_decls.
1423 Remove c_function_name_declared_p.
1424 (push_c_function_context): Don't push c_function_name_declared_p.
1425 (pop_c_function_context): Don't pop c_function_name_declared_p.
1426 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1427 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1428 (program): Call finish_fname_decls for C.
1429 (primary): Add VAR_FUNC_NAME.
1430 (reswords): Add slots for __FUNCTION__ et al.
1431 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1432 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1433 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1434 * c-semantics.c (prune_unused_decls): Remove.
1435 (finish_stmt_tree): Don't call prune_unused_decls.
1436 (genrtl_decl_stmt): Don't prune unused decls here.
1438 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1440 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1441 constant pool, use the pool's SYMBOL_REF instead.
1443 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1446 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1448 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1449 passing nested NOP_EXPRs to fold.
1451 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1453 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1455 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1457 * loop.c (loop_delete_insns): Add prototype.
1459 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1461 * configure.in: Remove ENABLE_STD_NAMESPACE.
1462 * config.in: Regenerated.
1463 * configure: Regenerated.
1465 2001-04-22 Stan Shebs <shebs@apple.com>
1467 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1469 * config/rs6000/xm-darwin.h: Remove file.
1471 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1473 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1474 (write_c_file_stat): Likewise.
1476 * dbxout.c (dbxout_init): Likewise.
1478 * profile.c (output_func_start_profiler): Likewise.
1480 2001-04-22 Philipp Thomas <pthomas@suse.de>
1482 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1483 require it instead of the CVS version.
1484 * cpperror.c (v_message): Put a blank before the macro
1485 body to not confuse exgettext.
1487 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1489 * flow.c (proagate_one_insn): Remove useless assignment.
1490 * jump.c (delete_insn): Tidy.
1491 * loop.c (try_copy_prop): When deleting an instruction with a
1492 REG_RETVAL note, delete the entire libcall sequence.
1493 (loop_delete_insns): New function.
1494 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1495 we're not substituting into them yet.
1497 2001-04-21 Kazu Hirata <kazu@hxi.com>
1499 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1501 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1503 * config/i960/i960.c (signed_arith_operand): Likewise.
1505 * calls.c (expand_call): Fix a comment typo.
1507 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1509 * configure.in: Probe for times, clock, struct tms, and clock_t.
1510 * configure, config.in: Regenerate.
1511 * timevar.c: Replace ifdef forest in get_time with (relatively)
1512 straightforward series of checks based on autoconf's probes.
1514 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1516 * config/pa/som.h (NM_FLAGS): Define.
1518 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1520 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1522 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1523 * ia64.c (nop_cycles_until): New function.
1524 (prev_cycle, prev_first, last_issued): New static variables.
1525 (ia64_sched_reorder): Additional arg for clock.
1526 On final scheduling pass, emit extra NOPs as needed.
1527 Set prev_first and prev_cycle.
1528 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1529 (ia64_variable_issue): Set last_issued.
1531 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1533 * config/i386/i386.c (ix86_expand_int_movcc,
1534 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1536 2001-04-20 Geoff Keating <geoffk@redhat.com>
1538 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1539 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1540 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1541 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1542 ctrdi_internal6): In the short-branch case, this insn is only 4
1543 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1545 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1547 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1548 "=u" is used together with "st" resp. "st(1)" clobber.
1550 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1552 * gcse.c (gcse_main): Fix comment typo.
1553 (delete_null_pointer_check): Likewise.
1554 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1555 * cse.c (cse_insn): Likewise.
1556 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1559 2001-04-19 Zack Weinberg <zackw@stanford.edu>
1561 * toplev.c: Excise all code for the undocumented -dm option.
1562 (float_signal): Call signal just once, unconditionally.
1564 2001-04-19 Geoff Keating <geoffk@redhat.com>
1566 * fold-const.c (fold): Use first_rtl_op rather than
1567 TREE_CODE_LENGTH when looping over parameters of a tree.
1568 Correct strange grouping in test for evaluated SAVE_EXPR.
1570 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1572 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1573 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1575 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1576 name at 32 total characters.
1577 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1578 functions in named sections -- data items can still go into unique
1579 sections, but they have normal names (ie $LIT$ and $DATA$).
1581 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1584 2001-04-19 DJ Delorie <dj@redhat.com>
1586 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1587 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1588 * config/i386/cygwin.h: Likewise.
1589 * config/i386/mingw32.h: Likewise.
1590 * config/vax/vms.h: Likewise.
1591 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1593 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1594 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1595 * config/i386/xm-cygwin.h: Likewise.
1596 * config/i386/xm-djgpp.h: Likewise.
1597 * config/i386/xm-mingw32.h: Likewise.
1598 * config/vax/xm-vms.h: Likewise.
1600 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1601 instead of OBJECT_SUFFIX.
1602 * collect2.c (find_a_file): Look for files matching the extension
1603 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1604 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1605 TARGET_EXECUTABLE_SUFFIX.
1606 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1607 (make_relative_prefix): Likewise.
1608 (convert_filename): Use TARGET_ suffixes throughout. Remove
1610 (process_command): Likewise.
1611 (do_spec_1): Likewise.
1612 * java/lang.c (init_parse): Likewise.
1614 * gcc.texi : Document four new options matching the pattern
1615 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1616 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1617 documentation for NO_AUTO_EXE_SUFFIX.
1619 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1621 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1622 that language-independent processing should not be done.
1623 * toplev.c (main): Adjust accordingly.
1625 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1626 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1628 * mips.md (reload_outputdi): Require that operand0 be a
1631 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1633 * invoke.texi (-Wshadow): Clarify.
1635 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1637 * loop.c (load_mems): Examine all the instructions in the loop
1638 before concluding that all jumps branch to the first instruction
1641 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1643 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1645 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1647 * cpp.texi (-Wwhite-space): Remove.
1648 (-Wall): -Wall does not imply -Wwhite-space.
1650 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1652 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1653 use it instead of blindly generating a .stabs.
1654 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1656 * xcoffout.c: Don't bother defining default for N_CATCH.
1657 (UNKNOWN_STAB): Use internal_error.
1658 (stab_to_sclass): Remove now-unnecessary aborts.
1659 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1661 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1663 * jump.c (mark_all_labels): Canonicalize the tail recursion
1664 label attached to CALL_PLACEHOLDER insns.
1666 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1668 * output.h (dump_flow_info, free_basic_block_vars,
1669 which_alternative): Delete redundant prototypes.
1671 * rtl.h (bss_section): Likewise.
1673 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1675 * dbxout.c (N_OPT): Define if not available from <stab.h>
1677 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1679 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1680 libraries and native K&R compilers.
1682 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1684 * c-typeck.c (convert_arguments): Don't check for width changes
1687 * invoke.texi (-Wtraditional): Update documentation.
1689 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1691 * toplev.c (output_lang_identify): Delete.
1692 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1693 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1694 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1695 after calling ASM_FILE_END.
1697 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1698 Instead, unconditionally emit an N_OPT stab with string equal
1699 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1701 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1703 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1704 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1705 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1706 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1707 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1708 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1709 config/i370/i370.h, config/i386/beos-elf.h,
1710 config/i386/osf1elf.h, config/i386/osfrose.h,
1711 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1712 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1713 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1714 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1715 config/mips/iris6.h, config/mips/osfrose.h,
1716 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1717 config/sparc/sp64-elf.h:
1718 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1719 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1721 * config/elfos.h, config/freebsd.h, config/linux.h,
1722 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1723 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1724 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1725 of ASM_FILE_START which merely emit a .version directive. Delete
1726 definitions of ASM_FILE_END which merely emit an .ident directive.
1728 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1729 ASM_IDENTIFY_GCC and move part of its logic into
1732 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1733 config/sparc/linux-aout.h: Don't emit .version directive in
1736 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1737 (output_file_start): Correct comment.
1739 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1740 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1742 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1743 * config/rs6000/aix.h: Correct comment.
1745 * config/i386/i386afe.h: Delete.
1746 * config.gcc: Remove references to i386afe.h.
1748 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1749 other macros deleted by this patch were undocumented.
1751 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1753 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1755 * pa.c (secondary_reload_class): SAR<->FP copies require a
1758 * install.texi (mips-mips-bsd): Update list of functions
1759 required to include memmove.
1760 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1761 used functions to include memmove.
1763 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1765 * i386.md (sqrtdf2): SFmode should be DFmode.
1767 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1769 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1770 (find_moveable_store): Likewise.
1772 2001-04-15 Jim Wilson <wilson@redhat.com>
1774 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1776 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1778 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1779 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1781 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1783 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1786 2001-04-14 Alan Modra <amodra@one.net.au>
1788 * pa.c (force_mode): New function.
1789 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1791 2001-04-13 Jim Wilson <wilson@redhat.com>
1793 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1794 (first_instruction): New static variable.
1795 (rtx_needs_barrier): Return 1 for alloc.
1796 (init_insn_group_barriers): Set first_instruction.
1797 (rws_sum): Delete duplicate definition.
1798 (group_barrier_needed_p): Return 0 when first_instruction true.
1799 (safe_group_barrier_needed_p): Save and restore first_instruction
1800 around group_barrier_needed_p call.
1802 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1804 * expr.h (enum libfunc_index): Add LTI_memmove.
1805 (memmove_libfunc): Define macro.
1806 * optabs.c (init_optabs): Initialize memmove_libfunc.
1807 * expr.c (expand_assignment): Use memmove_libfunc instead of
1810 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1812 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1815 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1817 * Makefile.in (reg-stack.o): Depend on reload.h.
1818 (insn-attrtab.o): Depend on flags.h.
1820 * genattrtab (main): Include flags.h in insn-attrtab.c.
1822 * reg-stack.c: Include reload.h.
1824 * sparc.h (flag_pic): Delete redundant declaration.
1826 * output.h (flag_pic): Likewise.
1828 * tree.h (pedantic): Likewise.
1830 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1832 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1834 * jump.c, regmove.c, toplev.c: Include reload.h.
1836 * reload.h (reload_cse_regs): Declare.
1838 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1839 reload_cse_regs, init_reload, mark_home_live, reload,
1840 init_caller_save): Delete redundant prototypes.
1842 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1844 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1846 * regclass.c, ssa.c: Include expr.h.
1848 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1849 gen_move_insn): Delete redundant declarations.
1851 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1853 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1854 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1855 MAKEINFO and MAKEINFOFLAGS too.
1856 (stage4_build): Correctly order -B flags.
1858 2001-04-13 Alan Modra <amodra@one.net.au>
1860 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1861 PIC_OFFSET_TABLE_SAVE_RTX.
1862 (zdepi_cint_p): Describe zdepi insn.
1863 Formatting and white space fixes throughout file.
1865 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1866 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1867 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1868 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1869 (output_64bit_and): Use plain `int's for shift counts.
1870 (output_64bit_ior): Likewise.
1871 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1872 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1875 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1876 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1877 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1878 NEW_HP_ASSEMBLER into one. Kill warnings.
1880 * pa-gas.h: Delete file.
1881 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1882 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1883 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1884 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1886 * config/pa/mill32.S: New file.
1887 * config/pa/mill64.S: New file.
1888 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1889 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1890 * config/pa/t-linux64: New file.
1891 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1892 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1893 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1895 * elfos.h (SELECT_SECTION): Undef before defining.
1896 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1897 (LIB_SPEC): Remove -lmilli.
1898 (DBX_REGISTER_NUMBER): Remove.
1899 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1900 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1901 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1902 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1903 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1904 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1905 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1906 TARGET_GAS): Define.
1907 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1908 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1909 regs if we don't have a prototype.
1910 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1911 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1912 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1913 EH_RETURN_HANDLER_RTX): Define.
1914 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1915 (DWARF_FRAME_REGNUM): Define.
1916 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1917 * pa32-linux.h: New file.
1918 * pa64-linux.h: New file.
1920 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1921 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1922 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1923 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1924 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1925 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1926 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1927 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1928 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1929 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1930 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1931 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1932 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1933 * pa64-hpux.h: New file.
1934 (ASM_FILE_START): Correct typo.
1935 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1936 * config.gcc: Modify for above.
1938 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1940 * jump.c (jump_optimize_1): Don't delete dead stores here.
1941 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1942 prior to running jump optimize before cse2.
1944 2001-04-12 Richard Henderson <rth@redhat.com>
1946 * Makefile.in (regmove.o): Depend on except.h.
1947 * regmove.c: Include it.
1949 2001-04-12 Stan Shebs <shebs@apple.com>
1951 * objc/objc-act.c: Remove all code ifdefed with the never-used
1952 macro OBJC_INT_SELECTORS.
1953 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1954 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1956 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1958 * config/pa/quadlib.c: Add prototypes.
1960 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1962 * bitmap.h (debug_bitmap): Delete redundant prototype.
1964 * rtl.h (get_frame_size): Likewise.
1966 2001-04-12 Jim Wilson <wilson@redhat.com>
1968 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1969 to just emit an fnorm.
1971 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1973 * c-common.h (truthvalue_conversion, type_for_mode,
1974 type_for_size): Delete redundant declarations.
1976 * c-lex.h (is_class_name): Likewise.
1978 * c-tree.h (pedantic, convert, getdecls, gettags,
1979 global_bindings_p, init_decl_processing, insert_block,
1980 maybe_build_cleanup, poplevel, print_lang_decl,
1981 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1982 set_block, incomplete_type_error, build_function_call,
1983 lvalue_or_else, mark_addressable): Likewise.
1985 * expr.h (expand_tree_builtin): Likewise.
1987 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1989 * invoke.texi: Document --param max-gcse-memory.
1991 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1993 * configure.in (errno): Check for declaration.
1994 * configure, config.in: Regenerated.
1996 * system.h (errno): Only declare if not already done.
1998 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2000 * recog.c (general_operand, immediate_operand,
2001 nonmemory_operand): Require CONST_INTs to be sign-extended
2002 values for their modes.
2004 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2006 * expmed.c (store_bit_field): Truncate CONST_INTs.
2007 (expand_mult_highpart, expand_divmod): Likewise.
2008 * expr.c (convert_modes, store_field): Likewise.
2009 * integrate.c (expand_inline_function): Use promote_mode() to
2010 determine whether to convert_modes() an argument as signed
2012 * optabs.c (expand_binop): Get CONST_INT operands
2013 sign-extended for their appropriate modes.
2014 * stmt.c (emit_case_nodes): Convert node values to the
2016 (expand_end_case): Convert minval and range to the appropriate
2018 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
2019 the iteration variable.
2020 * varasm.c (immed_double_const): Don't require words to be
2021 narrower than host wide ints to properly sign-extend
2024 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
2026 * sh.md (builtin_setjmp_receiver): New expander.
2028 2001-04-12 David Edelsohn <dje@watson.ibm.com>
2030 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
2031 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
2032 for generating CONST_INT and CONST_DOUBLE.
2034 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2036 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
2037 already sign-extended.
2038 (rs6000_emit_prologue): Make register iterator signed.
2039 (rs6000_emit_epilogue): Likewise.
2040 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
2042 (movsf split, movdf split): Sign-extend CONST_INTs.
2043 (movdi splits): Likewise.
2045 2001-04-12 Kelley Cook <kelley.cook@home.com>
2047 * config-lang.in (lang_dirs): Add in zlib.
2049 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
2051 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
2052 operands that make it to RTL.
2054 2001-04-11 Stan Shebs <shebs@apple.com>
2056 Add Darwin (Mac OS X kernel) native support.
2057 * config.gcc (powerpc-*-darwin*): Add native bits.
2058 * config/darwin.c: New file, generic Darwin support functions.
2059 * config/darwin.h: New file, generic Darwin definitions.
2060 * config/darwin-protos.h: New file, generic Darwin prototypes.
2061 * rs6000/darwin.h: New file, Darwin for PowerPC.
2062 * rs6000/t-darwin: New file, Darwin makefile fragment.
2063 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
2064 (TARGET_MACHO): Ditto.
2065 (rs6000_abi): Add ABI_DARWIN.
2066 (RS6000_REG_SAVE): Add ABI_DARWIN case.
2067 (RS6000_SAVE_AREA): Ditto.
2068 (FP_ARG_MAX_REG): Ditto.
2069 (RETURN_ADDRESS_OFFSET): Ditto.
2070 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
2072 (rs6000_emit_move): Add ABI_DARWIN cases.
2073 (print_operand): Ditto.
2074 (first_reg_to_save): Ditto.
2075 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
2076 (debug_stack_info): Ditto.
2077 (rs6000_emit_prologue): Ditto.
2078 (rs6000_emit_epilogue): Ditto.
2079 (output_profiler_hook): Ditto.
2080 (output_function_profiler): Ditto.
2081 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
2082 (output_mi_thunk): Add TARGET_MACHO case.
2083 (add_compiler_stub): Ditto.
2084 (output_compiler_stub): Ditto.
2085 (no_previous_def): Ditto.
2086 (output_call): Ditto.
2087 (machopic_output_stub): Ditto.
2088 (rs6000_machopic_legitimize_pic_address): Ditto.
2089 (toc_section): Ditto.
2090 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
2091 (macho_high): Ditto.
2094 (load_macho_picbase): Ditto.
2095 (call): Add TARGET_MACHO case to modify function.
2096 (call_value): Ditto.
2097 (call_nonlocal_sysv): Add ABI_DARWIN case.
2098 (call_value_nonlocal_sysv): Ditto.
2099 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
2101 (machopic_output_stub): Ditto.
2102 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
2104 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2106 * dwarf2out.c (modified_type_die): Don't create new types here.
2107 * tree.h (get_qualified_type): New function.
2108 (build_qualified_type): Adjust comment.
2109 * tree.c (get_qualified_type): New function.
2110 (build_qualified_type): Use it.
2112 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2114 * cpp.texi (-Wtraditional): Update description.
2116 * invoke.texi (-Wtraditional): Likewise.
2118 2001-04-11 Jim Wilson <wilson@redhat.com>
2120 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2121 requires more than 64 bits of alignment.
2123 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2125 * cpplib.c (do_line): Sanity check iff enable checking.
2127 2001-04-11 Richard Henderson <rth@redhat.com>
2129 * Makefile.in (insn-recog.o): Depend on toplev.h.
2130 (insn-emit.o, doloop.o): Likewise.
2131 * genrecog.c, genemit.c: Include toplev.h in generated file.
2132 * doloop.c: Include toplev.h.
2134 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2136 * Makefile.in (gcse.o): Depend on params.h.
2137 * gcse.c: Include params.h.
2138 (gcse_main): Don't do GCSE if doing so will take inordinate
2140 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2141 * params.h (MAX_GCSE_MEMORY): New macro.
2143 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2145 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
2147 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
2149 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2151 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
2153 * real.h (ereal_atof, real_value_truncate, target_isnan,
2154 target_isinf, target_negative, assemble_real, debug_real): Delete
2155 redundant prototypes.
2157 * Makefile.in (ifcvt.o): Depend on toplev.h.
2159 * c-semantics.c: Include expr.h.
2161 * ifcvt.c: Include toplev.h.
2163 * expr.h (rtx_equal_p): Delete prototype.
2165 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
2166 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
2167 eliminate_constant_term, expand_complex_abs, find_single_use,
2168 make_tree, init_expr_once, init_optabs, supports_one_only):
2171 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
2172 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
2173 expand_assignment, store_expr, emit_line_note_after,
2174 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
2176 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
2178 * sparc-protos.h: Delete redundant prototypes.
2180 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
2182 * reload.c (push_reload): Add condition missed in SUBREG byte
2185 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2187 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2189 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2191 * i386.md (floatsisf_sse): Fix output template
2192 * i386.c (ix86_expand_fp_movcc)
2194 * reg-stack.c (emit_pop_insn): Handle complex modes.
2195 (move_for_stack_reg): Emit proper move mode.
2196 (subst_stack_regs_pat): Handle complex modes.
2198 2001-04-11 Jakub Jelinek <jakub@redhat.com>
2200 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2202 2001-04-10 Richard Henderson <rth@redhat.com>
2204 * libgcc2.h (__terminate_func_ptr): Remove typedef.
2205 (__pure_virtual, __terminate, __terminate_set_func,
2206 __default_terminate, __throw_type_match, __empty,
2207 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
2208 __eh_rtime_match, __unwinding_cleanup, __rethrow,
2209 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
2210 Remove prototypes of deleted functions.
2212 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2214 * c-typeck.c (convert_arguments): -Wtraditional now activates
2215 -Wconversion warnings, except for changes in signed-ness.
2216 Detect complex<->int & int<->complex conversions as well.
2218 * invoke.texi (-Wtraditional): Document it.
2220 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2222 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
2223 * flow.c (set_block_for_new_insns): Remove needless cast and
2224 properly check for unset block number.
2226 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
2228 * function.c (purge_single_hard_subreg_set): Only check REGNO if
2229 the subreg was a hard register. Pseudos are left as subregs.
2231 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2233 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2234 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2235 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
2236 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
2237 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2239 2001-04-09 Bo Thorsen <bo@suse.co.uk>
2241 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
2243 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2245 * output.h (set_block_num): Missed it earlier, remove deprecated
2248 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2250 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
2251 (load_killed_in_block_p): Change bb parameter from int to basic_block.
2252 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
2253 (handle_rd_kill_set): Change bb parameter from int to basic_block.
2254 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
2255 (expr_killed_p): Change bb parameter from int to basic_block, pass
2256 basic_blocks instead of ints as parameters.
2257 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
2258 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
2259 from int to basic_block, pass basic_blocks instead of ints as parms.
2260 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
2261 parameter from int to basic_block, pass basic_blocks instead of ints.
2262 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
2263 (insert_insn_end_bb): Change bb parameter from int to basic_block,
2264 pass basic_blocks instead of ints.
2265 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
2266 basic_blocks instead of ints as parameters.
2267 (pre_delete): Pass basic_blocks instead of ints as parameters.
2268 (hoist_expr_reaches_here_p): Change bb parameter from int to
2269 basic_block, pass basic_blocks instead of ints.
2270 (hoist_code): Pass basic_blocks instead of ints as parameters.
2271 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
2272 Change bb parameter from int to basic_block.
2273 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
2274 (insert_insn_start_bb): Change bb parameter from int to basic_block,
2275 pass basic_blocks instead of ints.
2276 (insert_store): Pass basic_blocks instead of ints as parameters.
2277 (replace_store_insn, delete_store): Change bb parameter from int to
2278 basic_block, pass basic_blocks instead of ints.
2279 (store_motion): Pass basic_blocks instead of ints as parameters.
2281 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2283 * basic-block.h (set_new_block_for_insns): New Prototype.
2284 (set_block_num): Delete prototype.
2285 * flow.c (set_block_num): Remove obsolete function.
2286 (set_block_for_new_insns): Set BB for single or multiple insns.
2287 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
2288 (process_insn_end_bb): Use set_block_for_new_insns or
2289 set_block_for_insn instead of set_block_num.
2290 (pre_insert_copy_insn): Use set_block_for_new_insns.
2291 (update_ld_motion_stores): Use set_block_for_new_insns.
2292 (insert_insn_start_bb): Use set_block_for_new_insns.
2293 (replace_store_insn): Use set_block_for_new_insns.
2295 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2296 Jeff Law <law@redhat.com>
2298 * alias.c (get_addr): Externalize.
2299 (canon_true_dependence): New function. Behaves like true_dependance
2300 except it already assumes a MEM has been canonicalized.
2301 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2302 * gcse.c (struct ls_expr): Add load/store expressions structure.
2303 (modify_mem_list, canon_modify_mem_list): New variable.
2304 (gcse_main): Initialize & finalize alias analysis. Use enhanced
2305 load motion and store motion if requested.
2306 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2307 (free_gcse_mem): Free the modify_mem_list array.
2308 (oprs_unchanged_p): Use load_killed_in_block_p.
2309 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2310 (mems_conflict_for_gcse_p): New function. Don't kill loads
2311 with stores to themselves if its in the load/store expression list.
2312 (load_killed_in_block_p): New function.
2313 (canon_list_insert): New Function.
2314 (record_last_mem_set_info): Keep a list of all instructions which
2315 can modify memory for each basic block.
2316 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2317 (oprs_not_set_p): Use load_killed_in_block_p.
2318 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2319 (expr_killed_p): Use load_killed_in_block_p.
2320 (compute_transp): Do not pessimize memory references.
2321 (pre_edge_insert): Update stores for a load motion expression.
2322 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2323 (ldst_entry): Find or create a ldst_expr structure.
2324 (free_ldst_entry): Free memory for an individual item.
2325 (free_ldst_mems): Free entire load/store expression list.
2326 (print_ldst_list): Print debug info.
2327 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2328 (enumerate_ldsts): Assign integer values to each entry in list.
2329 (first_ls_expr): First expression in the list.
2330 (next_ls_expr): Next expression in the list.
2331 (simple_mem): Check if expression qualifies for ld/st expression list.
2332 (invalidate_any_buried_refs): Remove from expression list if its
2333 used in some other way we dont understand.
2334 (compute_ld_motion_mems): Find all potential enhanced load motion
2336 (trim_ld_motion_mems): Remove any expressions which are invalid.
2337 (update_ld_motion_stores): Copy store values to registers for loads
2338 which have been moved.
2339 (regvec, st_antloc, num_store): New global statics.
2340 (reg_set_info): Marks registers as set.
2341 (store_ops_ok): Verfies registers expressions are valid in a block.
2342 (find_moveable_store): Look for moveable stores in a pattern.
2343 (compute_store_table): Find stores in a function worth moving, maybe.
2344 (load_kills_store): Check dependance of a load and store.
2345 (find_loads): Find any loads in a pattern.
2346 (store_killed_in_insn): Check if a store is killed in an insn.
2347 (store_killed_after): Check is store killed after an insn in a block.
2348 (store_killed_before): Check is store killed before an insn in a block.
2349 (build_store_vectors): Generate the antic and avail vectors.
2350 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2351 (insert_store): Add a store to an edge.
2352 (replace_store_insn): Replace a store with a SET insn.
2353 (delete_store): Delete a store insn.
2354 (free_store_memory): Free memory.
2355 (store_motion): Perform store motion.
2356 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2357 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2358 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2359 (f_options): Add gcse-lm and gcse-sm.
2361 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2363 * i386.c (expand_fp_movcc): Fix condition reversal code.
2365 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2366 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2367 (CLASS_MAX_NREGS): Use it.
2369 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2370 handle properly complex values.
2371 (CLASS_MAX_NREGS): Likewise; update comment.
2373 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2375 * ia64.c (ia64_flag_schedule_insns2): New variable.
2376 (ia64_override_options): Initialize it. Clear
2377 flag_schedule_insns_after_reload.
2378 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2380 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2382 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2383 Do not require source to match destination anymore;
2384 Add abort to the nontrivial cases that should be handled by split.
2385 (fix_trunc?fdi): Add SSE case for x86_64.
2386 (floatdi?f): Likewise.
2387 (floatdi?f_sse): New.
2388 (fix_trunc?fdi_sse): New.
2390 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2392 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2393 (DEBUG_ARANGES_END_LABEL): Ditto.
2394 (dwarfout_init): Generate length and version fields at the start
2395 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2396 after the length field.
2397 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2398 the .debug_aranges info.
2400 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2402 * i386.c (call, call_value): Make sure that resulting call_insn
2403 does have proper second operand.
2405 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2407 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2408 function. Remove include of sys/cygwin.h.
2410 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2412 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2413 (CPP_SPEC): Always search */include/w32api for header files.
2414 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2415 (LINK_SPEC): Add "cyg" to the library search prefixes.
2417 2001-04-08 Philip Blundell <philb@gnu.org>
2419 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2421 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2423 * cpperror.c (print_location): Don't special case <stdin>.
2424 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2425 WARNING, but we don't check if we're in system headers.
2426 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2427 * cpplib.c (do_warning): Warn in system headers.
2429 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2431 * mbchar.c: Include config.h first.
2433 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2435 * config.gcc: Set default for xmake_file at top, not bottom.
2436 Change places that set xmake_file to "none" to set to the
2437 empty string instead, or remove them entirely if there is no
2438 default xmake_file for this cpu_type. Remove references to
2441 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2442 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2443 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2444 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2445 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2446 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2447 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2448 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2449 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2450 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2453 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2454 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2455 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2456 config/mips/x-sysv, config/rs6000/x-aix31:
2457 Just set CLIB to -lld or -lmld, as appropriate.
2459 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2460 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2461 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2462 config/mips/x-iris, config/pa/x-pa:
2463 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2464 OTHER_FIXINCLUDES_DIRS.
2466 * config/i386/x-djgpp: Don't set LN or LN_S.
2467 * config/m88k/x-dolph: Don't define __m88k__.
2468 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2469 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2470 * config/i860/fx2800.h: No need to #undef SVR4.
2472 38 x-host fragments remain, 2 x-cpu.
2474 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2476 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2478 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2480 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2482 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2484 * configure.in: Add check for lstat.
2485 * configure, config.in: Regenerate.
2486 * cppinit.c (append_include_chain): Make empty path ".".
2487 * cpplib.c (do_line): Don't simplify #line paths.
2488 * cppfiles.c (remove_component_p): New function.
2489 (find_or_create_entry): Acknowledge stat () errors during
2490 path simplification.
2491 (handle_missing_header): Don't simplify paths.
2492 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2493 the empty path untouched. Don't leave a trailing '/'.
2495 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2497 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2498 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2500 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2502 * cppfiles.c (open_file): Fail directories silently, but
2503 with an errno of NOENT set.
2504 (read_include_file): Move the common exit code to the sole
2505 caller. Return an int indicating success or failure. Let
2506 open_file handle directories.
2507 (stack_include_file): If read_include_file fails,
2508 push a "null" buffer.
2510 2001-04-05 DJ Delorie <dj@redhat.com>
2512 * function.h (virtuals_instantiated): Declare.
2513 * function.c: (virtuals_instantiated): Make global.
2514 * calls.c (emit_library_call_value_1): Use
2515 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2516 Otherwise, use the stack pointer directly.
2518 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2520 * i386.c (x86_initialize_trampoline): New global function.
2521 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2522 (INITIALIZE_TRAMPOLINE): Move offline.
2523 * i386-protos.h (x86_initialize_trampoline): Declare.
2525 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2527 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2528 (lea_0): Rename to lea_1.
2529 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2530 (lea_general_?): Allow SImodes on TARGET_64BIT
2531 (lea_general_?_zext): New patterns.
2532 (call_1, call_1_rex64): Fix.
2534 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2536 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2538 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2540 * i386.c (function_arg): Return constm1_rtx for last argument.
2541 (ix86_expand_prologue): Update gen_call calls.
2542 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2543 * i386.md (call_pop): Likewise.
2544 (call): Second operand is VOIDmode.
2545 (call_0): Likewise; Support 64bits.
2546 (call_exp): New expander.
2547 (call_1): Get to the sync.
2548 (call_1_exp): New pattern.
2549 (call_value): Support 64bit.
2550 (call_value_exp): New pattern.
2551 (untyped_call): Update gen_call call.
2552 (call_value_pop): Disable for 64bit.
2553 (call_value_0_rex64): New pattern.
2554 (call_value_1_rex64): Likewise.
2556 2001-04-05 Bo Thorsen <bo@suse.de>
2558 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2560 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2562 * i386.md (*andsi_1+3): If used after reload, make sure the operand
2563 satisfies ANY_QI_REG_P.
2565 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2567 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2570 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2573 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2575 * config.gcc: Remove default for xm_file. Clean up local
2576 machine type handling. Remove settings of xm_file to
2577 something that doesn't exist. In the big switch, set xm_file,
2578 don't append to it (the value before the big switch is always
2579 null). Don't force build_xm_file or host_xm_file to have a value.
2580 * configure.in: Remove default for xm_file. Do not special
2581 case $cpu/xm-$cpu.h not existing.
2582 * configure: Regenerate.
2584 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2586 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2587 when folding integer division and modulo operations.
2589 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
2591 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
2592 instead of DWARF2_ADDR_SIZE for EH addresses.
2593 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
2596 2001-04-04 Richard Henderson <rth@redhat.com>
2598 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2599 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2600 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2602 2001-04-04 Richard Henderson <rth@redhat.com>
2604 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2605 * configure: Rebuilt.
2607 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2609 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2610 push insns to delete to it instead of deleting them.
2611 (delete_null_pointer_checks): Delete insns from delete_list after
2612 all delete_null_pointer_checks_1 passes are done.
2614 2001-04-04 Richard Henderson <rth@redhat.com>
2616 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2617 * configure: Rebuilt.
2619 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2621 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2622 * config/romp/xm-romp.h: Delete.
2624 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2626 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2629 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2631 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2632 all labels present in rtx.
2633 (try_split) Call new function for all split insns.
2635 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2637 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2638 sure the change won't be validated.
2640 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2642 * rtl.h (set_noop_p): Declare.
2643 * flow.c (set_noop_p): Move from here ...
2644 * rtlanal.c (set_noop_p): ... to here and enhance.
2645 * cse.c (delete_trivially_dead_insns): Use it.
2646 * gcse.c (hash_scan_set): Likewise.
2647 * jump.c (delete_noop_moves): Likewise.
2648 * recog.c (split_all_insns): Likewise.
2650 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2652 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2653 stack pointer via a LO_SUM. Ditto for setting a temp register
2654 used to save to the stack. Set cfa_temp when setting fp, and
2655 allow matches to cfa_temp in addition to cfa_store when saving
2656 regs. Handle POST_INC and LO_SUM register stores. Document the
2657 changes and errors in rule 12 doco.
2659 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2660 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2661 (load_reg): Move closer to epilogue code.
2662 (DO_FRAME_NOTES): Define to control the following..
2663 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2664 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2666 (hppa_expand_epilogue): Likewise.
2668 2001-04-03 Richard Henderson <rth@redhat.com>
2670 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2671 * configure: Rebuild.
2673 2001-04-03 Richard Henderson <rth@redhat.com>
2675 * rtl.h (LCT_THROW): New.
2676 * calls.c (emit_library_call_value_1): Handle it.
2677 * except.c (connect_post_landing_pads): Use it.
2679 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2681 * gansidecl.h: Delete file.
2682 * configure.in: Change all refs to gansidecl.h to use
2683 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2685 * configure: Regenerate.
2687 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2688 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2689 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2690 Don't include gansidecl.h.
2691 * intl.c, main.c, version.c, fixinc/fixlib.h,
2692 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2695 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2697 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2700 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2702 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2703 config/i386/xm-next.h, config/i386/xm-sco.h,
2704 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2705 config/m88k/xm-m88k.h: Delete.
2707 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2708 * config/romp/xm-romp.h: Don't define bcopy.
2709 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2710 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2712 * config.gcc: Remove references to deleted files.
2714 14 xm-host.h remain, 1 xm-cpu.h.
2716 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2717 David S. Miller <davem@pierdol.cobaltmicro.com>
2718 Andrew MacLeod <amacleod@redhat.com>
2720 Use byte offsets in SUBREGs instead of words.
2722 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2723 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2724 to pass new argument.
2725 (add_stored_regs): Use subreg_regno_offset function.
2726 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2728 (precompute_arguments): Use gen_lowpart_SUBREG.
2729 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2730 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2731 (simplify_set): Rework to use SUBREG_BYTE.
2732 (expand_field_assignment): Use SUBREG_BYTE.
2733 (make_extraction): Use SUBREG_BYTE.
2734 (if_then_else_cond): Use SUBREG_BYTE.
2735 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2736 (gen_lowpart_for_combine): Compute full byte offset.
2737 * cse.c (mention_regs): Use SUBREG_BYTE.
2738 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2739 (canon_hash): Use SUBREG_BYTE.
2740 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2741 (gen_lowpart_if_possible): Formatting.
2742 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2744 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2745 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2746 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2747 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2748 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2749 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2750 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2751 certain invariants about SUBREGs the compiler creates.
2752 (gen_lowpart_SUBREG): New function.
2753 (subreg_hard_regno): New function to get the final register number.
2754 (gen_lowpart_common): Use SUBREG_BYTE.
2755 (gen_imagpart): Spacing nits.
2756 (subreg_realpart_p): Use SUBREG_BYTE.
2757 (gen_highpart): Use SUBREG_BYTE.
2758 (subreg_lowpart_p): Always compute endian corrected goal offset,
2759 even at the byte level, then compare against that.
2760 (constant_subword): New function, pulled out all constant cases
2761 from operand_subword and changed second argument name to offset.
2762 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2763 and call constant_subword to do the work. Return const0_rtx if
2764 looking for a word outside of OP.
2765 (operand_subword_force): Change second arg name to offset.
2766 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2767 (store_split_bit_field): Use SUBREG_BYTE.
2768 (extract_bit_field): Use SUBREG_BYTE.
2769 (extract_split_bit_field): Use SUBREG_BYTE.
2770 (expand_shift): Use SUBREG_BYTE.
2771 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2772 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2773 * flow.c (set_noop_p): Use SUBREG_BYTE.
2774 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2775 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2776 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2778 (optimize_bit_field): Use SUBREG_BYTE.
2779 (purge_addressof_1): Use SUBREG_BYTE.
2780 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2781 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2782 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2783 * gengenrtl.c (special_rtx): Add SUBREG.
2784 * global.c (mark_reg_store): Use SUBREG_BYTE.
2785 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2786 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2787 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2788 final byte offset is congruent to subreg's mode size.
2789 (subst_constants): Use SUBREG_BYTE.
2790 (mark_stores): Use subreg_regno_offset function.
2791 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2792 function and SUBREG_BYTE.
2793 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2794 (reg_is_born): Use subreg_hard_regno.
2795 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2796 endian correction code. Don't combine subregs unless resulting
2797 offset aligns with type. Fix subreg constant extraction for DImode.
2798 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2799 (general_operand): Remove dead mode_altering_drug code.
2800 (indirect_operand): Use SUBREG_BYTE.
2801 (constrain_operands): Use subreg_regno_offset function.
2802 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2803 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2804 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2805 * regs.h (REG_SIZE): Allow target to override.
2806 (REGMODE_NATURAL_SIZE): New macro which target can override.
2807 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2808 on the entire subreg rtx.
2809 (push_reload): Use SUBREG_BYTE in comments and code.
2810 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2811 for hard registers inside subregs.
2812 (operands_match_p): Use subreg_regno_offset.
2813 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2814 containing hard regs.
2815 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2816 corrections when fixing up MEM subregs.
2817 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2818 subreg_regno_offset where appropriate.
2819 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2820 byte endian corrections when fixing up MEM subregs.
2821 (subst_reloads): When combining two subregs, make sure final
2822 offset is congruent to subreg's mode size.
2823 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2824 (refers_to_regno_for_reload_p): Use subreg_regno.
2825 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2826 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2827 correction code for memory subreg fixups.
2828 (forget_old_reload_1): Use subreg_regno_offset.
2829 (choose_reload_regs): Use subreg_regno.
2830 (emit_input_reload_insns): Use SUBREG_BYTE.
2831 (reload_combine_note_store): Use subreg_regno_offset.
2832 (move2add_note_store): Use subreg_regno_offset.
2833 * resource.c (update_live_status, mark_referenced_resources): Use
2834 subreg_regno function.
2835 (mark_set_resources): Use subreg_regno function.
2836 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2837 (subreg_regno_offset, subreg_regno): Define prototypes.
2838 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2839 (gen_lowpart_SUBREG): Add prototype.
2840 * rtl.texi (subreg): Update to reflect new byte offset representation.
2841 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2842 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2843 (reg_overlap_mentioned_p): Use subreg_regno.
2844 (replace_regs); Make sure final offset of combined subreg is
2845 congruent to size of subreg's mode.
2846 (subreg_regno_offset): New function.
2847 (subreg_regno): New function.
2848 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2849 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2850 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2851 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2852 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2853 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2854 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2855 (print_operand): Use SUBREG_BYTE.
2856 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2857 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2858 (arm_reload_out_hi): Use SUBREG_BYTE.
2859 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2860 instead of SUBREG_WORD.
2861 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2862 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2863 SUBREG creation to use byte offset.
2864 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2865 inverted load insns): Fix explicit rtl subregs to use byte
2867 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2868 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2869 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2870 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2871 to use byte offsets.
2872 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2873 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2874 offsets, also make sure it is congruent to SUBREG's mode size.
2875 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2876 unnamed ldob insn): Generate SUBREGs with byte offset.
2877 (zero_extendqihi2): SUBREG's are byte offsets.
2878 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2879 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2880 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2881 zero-extendqisi2): Generate SUBREGs with byte offset.
2882 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2883 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2884 subregs in rtl to use byte offsets.
2885 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2886 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2887 (mips_move_2words): Use subreg_regno_offset.
2888 (mips_secondary_reload_class): Use subreg_regno_offset.
2889 * config/mips/mips.md (DImode plus, minus, move, and logical op
2890 splits): Fixup explicit subregs in rtl to use byte offsets.
2891 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2892 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2893 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2894 rtl to use byte offsets.
2895 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2896 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2897 subregs to use byte offsets.
2898 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2899 Fixup explicit subregs in rtl to use byte offsets.
2900 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2901 and remove byte endian correction code.
2902 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2903 (gen_ashift_hi): Use SUBREG_BYTE.
2904 (regs_used): Use subreg_regno_offset.
2905 (machine_dependent_reorg): Use subreg_regno_offset.
2906 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2907 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2908 (movdf_i4): Subregs are byte offsets now.
2909 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2910 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2911 (REGMODE_NATURAL_SIZE): Override.
2912 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2913 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2915 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2916 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2917 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2918 it is congruent to SUBREG's mode size.
2919 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2921 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2922 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2923 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2924 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2925 * config/v850/v850.c (print_operand, output_move_double): Use
2926 subreg_regno function.
2928 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2930 * configure.in (target_subdir): Use target_alias, not target.
2931 * configure: Rebuilt.
2933 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2935 * config/sh/crti.asm: Fix typos in comments.
2937 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2939 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2940 TARGET_FAST_INDIRECT_CALLS.
2941 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2943 (return_addr_rtx): Short circuit export stub matching when
2944 TARGET_NO_SPACE_REGS.
2945 (output_millicode_call): For out of range calls, make -fPIC
2946 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2947 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2948 * pa.md: Modify length attr calculation of all millicode insns to
2951 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2953 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2954 Require at least 2.11 in the version test. Specifically check
2955 for and reject GAS version 2.10.90.
2956 * configure: regenerate.
2958 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2960 * pa.c (override_options): Remove PIC profiling warning.
2961 (hp_profile_labelno): Delete.
2962 (hp_profile_label_rtx): Delete.
2963 (hp_profile_label_name): Delete.
2964 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2965 (output_function_prologue): Remove profiling code and all tests on
2966 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2967 merge_sp_adjust_with_store can work for PIC and profiling.
2968 (hppa_expand_epilogue): Remove profile_flag test.
2969 (hppa_can_use_return_insn_p): Likewise.
2970 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2971 cater for PROFILE_HOOK.
2972 (hppa_profile_hook): New function.
2973 * pa.h (FUNCTION_PROFILER): Now does nothing.
2974 (PROFILE_HOOK): Define.
2975 (hppa_profile_hook): Declare.
2976 (PROFILE_BEFORE_PROLOGUE): Delete.
2977 (ASM_OUTPUT_REG_PUSH): Delete.
2978 (ASM_OUTPUT_REG_POP): Delete.
2979 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2980 r24. Accept function name operand, and use this and a locally
2981 generated label to calculate pc-rel offset to func start.
2983 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2985 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2986 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2989 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2991 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2992 LO_SUM cases to where they belong.
2994 2001-04-02 Richard Henderson <rth@redhat.com>
2996 * except.h (lang_eh_type_covers): Mark extern.
2997 (lang_eh_runtime_type): Likewise.
2999 2001-04-02 Zack Weinberg <zackw@stanford.edu>
3001 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
3002 gengenrtl.c: Wrap generated header in multiple-include guard.
3003 Improve error checking.
3005 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3007 * configure.in: Don't check for putenv.
3008 * configure: Regenerate.
3009 * gcc.c (putenv): Don't define.
3010 * vax/xm-vms.h: Handle putenv.
3012 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3014 * ifcvt.c (noce_emit_move_insn): New.
3015 (noce_try_store_flag, noce_try_store_flag_constants,
3016 noce_try_store_flag_inc, noce_try_store_flag_mask,
3017 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
3018 noce_try_abs): Use it.
3019 (noce_process_if_block): Likewise.
3020 For STRICT_LOW_PART, take mode from its SUBREG.
3022 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3024 * fold-const.c (fold): Before optimizing unsigned comparison with
3025 0x7fffffffU, make sure arg0 is integral type.
3027 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
3029 * c-tree.texi: Document representation of wide strings.
3031 2001-04-01 Richard Henderson <rth@redhat.com>
3033 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
3035 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
3037 * i386.md: remove obsoleted comments.
3038 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
3039 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
3040 fix output template.
3042 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
3044 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
3046 2001-03-30 Bernd Schmidt <bernds@redhat.com>
3048 * loop.c (load_mems): When generating a load from a pseudo, update
3051 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3053 * i386.c (ix86_split_long_move): Use change address to compensate
3054 stack pointer change in push instruction.
3056 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3058 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
3059 instead of rtx_equal_p; fix the output template.
3061 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3063 * i386.c (ix86_expand_setcc): Support 64bit.
3064 (ix86_expand_int_movcc): Likewise.
3065 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
3068 * i386.md (allocate_stack_worker): Turn to expander.
3069 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
3071 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
3073 2001-03-29 Richard Henderson <rth@redhat.com>
3075 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
3077 2001-03-28 Matthew Hiller <hiller@redhat.com>
3079 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
3082 * MAINTAINERS: Added self.
3084 2001-03-28 Richard Henderson <rth@redhat.com>
3086 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
3087 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
3089 2001-03-28 Jim Wilson <wilson@redhat.com>
3091 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
3094 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3096 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
3098 * tradcif.y (yyerror): Likewise. Add format specifier in call to
3101 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
3103 2001-03-28 DJ Delorie <dj@redhat.com>
3105 * Makefile.in (stage1_build): Revert CFLAGS patch.
3107 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
3109 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
3110 when multiplier or multiplicand is zero.
3112 2001-03-28 Bernd Schmidt <bernds@redhat.com>
3114 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
3116 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3118 (set_src_needs_barrier): Likewise.
3119 (rtx_needs_barrier): For SET case, use these two functions. Rework
3120 PARALLEL case to handle all inputs before all outputs.
3121 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3122 saw a label and no stop bit since then.
3123 (maybe_rotate, process_epilogue): Add prototypes.
3125 2001-03-28 Richard Henderson <rth@redhat.com>
3127 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
3128 not TARGET_TOC for special toc restore handling.
3129 * config/rs6000/rs6000.md (eh_return): Likewise.
3131 2001-03-28 Richard Henderson <rth@redhat.com>
3133 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3134 current_function_calls_eh_return.
3135 (output_function_epilogue): Handle eh_return.
3136 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3137 (EH_RETURN_DATA_REGNO): New.
3138 (EH_RETURN_STACKADJ_RTX): New.
3139 (EH_RETURN_HANDLER_RTX): New.
3140 * config/sparc/sparc.md (call/short branch peepholes): Check
3141 can_throw_internal instead of in_same_eh_region.
3143 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3144 for eh_return data registers.
3145 (rs6000_emit_prologue): Save eh_return data registers.
3146 (rs6000_emit_epilogue): Force inline restores if eh_return.
3147 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3148 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3149 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3150 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3151 the target uses one.
3152 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3153 (return_eh_si, return_eh_di): Remove.
3154 (eh_return): New, from corpse of eh_epilogue.
3155 (eh_set_lr_si, eh_set_lr_di): New.
3157 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3158 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3159 True for pic register if current_function_calls_eh_return.
3160 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3161 Handle eh_return requirements.
3162 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3163 (EH_RETURN_STACKADJ_RTX): New.
3164 * config/i386/i386.md (exception_receiver): Remove.
3165 (eh_return, eh_return_1): New.
3166 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3168 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3169 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3170 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3171 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3172 (EH_RETURN_DATA_REGNO): New.
3173 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3174 * config/alpha/alpha.md (eh_epilogue): Remove.
3175 (exception_receiver): Use $26 for ldgp input.
3176 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3178 2001-03-28 Richard Henderson <rth@redhat.com>
3180 * except.c: Rewrite entirely for IA-64 ABI exception handling.
3181 * except.h: Likewise.
3183 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
3184 (LIB2ADDEHDEP): New.
3185 (LIB2FUNCS_EH): Remove.
3186 (LIB2ADD): Remove LIB2ADDEH.
3187 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
3188 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
3189 (crt{begin,end}[S].o): Likewise.
3190 (except.o): Update includes.
3191 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
3192 (libgcc2_c_dep): Use LIB2ADDEHDEP.
3194 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
3195 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
3196 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
3197 * builtins.c (expand_builtin): Implement it.
3198 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
3199 * c-common.c (c_common_nodes_and_builtins): Declare it.
3200 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
3201 * calls.c (libfunc_nothrow): Remove.
3202 (emit_library_call_value_1): Don't call it.
3203 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
3204 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
3205 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
3206 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
3207 (current_funcdef_number): Globalize.
3208 (output_call_frame_info): Emit frame data if an lsda is needed.
3209 Generate augmentation for personality routine. Don't play with
3211 (dwarf2out_begin_prologue): Record funcdef_number.
3212 * dwarf2out.h (current_funcdef_number): Declare.
3213 * expr.c (expand_expr): Update for except.h name changes.
3214 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
3215 * expr.h (LTI_throw, LTI_rethrow): Remove.
3216 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
3217 (LTI_eh_rtime_match): Remove.
3218 (LTI_unwind_resume, LTI_eh_personality): Add.
3219 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
3220 * final.c (final): Don't call check_exception_handler_labels,
3221 init_insn_eh_region, or free_insn_eh_region.
3222 (final_scan_insn): Always emit debug labels for
3223 NOTE_INSN_EH_REGION notes.
3224 * flags.h (flag_new_exceptions): Remove.
3225 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
3226 (record_active_eh_regions): Remove.
3227 (count_basic_blocks): Check all instructions for REG_EH_REGION.
3228 Use can_throw_internal.
3229 (find_basic_blocks_1): Likewise.
3230 (move_stray_eh_region_notes): Remove.
3231 (find_label_refs): No eh_return_stub_label.
3232 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
3233 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
3235 (delete_unreachable_blocks): Don't track deleted handlers.
3236 (flow_delete_block): Use maybe_remove_eh_handler.
3237 (delete_eh_regions): Remove.
3238 (merge_blocks): Don't check for eh region match.
3239 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
3240 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
3241 (init_propagate_block_info): Disable dead frame store optimization
3242 when current_function_calls_eh_return.
3243 (dump_bb): Don't print eh_beg, eh_end.
3244 * function.c (fixup_var_refs): No catch_clauses.
3245 (expand_function_end): Likewise. Call expand_eh_return before
3246 the return register use. Call sjlj_emit_function_exit_after.
3247 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
3248 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
3249 * ifcvt.c (dead_or_predicable): Remove eh region check.
3250 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
3251 Don't check for EH vs parameters.
3252 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
3253 (expand_inline_function): Call duplicate_eh_regions.
3254 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
3255 (copy_insn_notes): Remap REG_EH_REGION notes.
3256 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
3257 * integrate.h (struct inline_remap): Add local_return_label.
3258 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
3259 check_exception_handler_labels, nor exception_optimize.
3260 (find_cross_jump): No EH region check.
3261 * optabs.c (init_optabs): Update for changed eh libfuncs.
3262 * rtl.def (RESX): New.
3263 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
3264 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
3265 checks. Update for except.h name changes.
3266 (expand_cleanups): Likewise.
3267 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
3268 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
3269 (compile_file): Call init_eh before init_optabs. Don't
3270 output_exception_table here.
3271 (rest_of_compilation): Call convert_from_eh_region_ranges,
3272 convert_to_eh_region_ranges, output_function_exception_table.
3273 Don't emit_eh_context.
3274 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
3275 (EXC_PTR_EXPR): New.
3277 * md.texi (eh_epilogue): Remove.
3278 (eh_return): Document.
3279 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3280 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3282 * eh-common.h: Remove file.
3283 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3284 * libgcc2.c (L_eh): Remove.
3286 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3287 * unwind-dw2-fde.h: New file.
3288 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3289 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3290 * libgcc-std.ver: Update for eh symbols.
3292 2001-03-27 Richard Henderson <rth@redhat.com>
3294 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3295 reduce false positives.
3296 (regmove_optimize): Disable if flag_non_call_exceptions.
3298 * stmt.c (expand_return): Remove always true predicate.
3299 (expand_decl_cleanup_no_eh): Remove dead code.
3301 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3302 barrier code. Add a scheduling barrier if a non-call insn
3303 can throw internally.
3305 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3306 Auto-inc addresses trap only if their base register does.
3308 * except.c (can_throw_internal): Rename from can_throw.
3309 * except.h, resource.c: Update references.
3311 * integrate.c (copy_insn_list): Use returnjump_p.
3312 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3314 * function.h (struct function): Move all boolean valued fields
3315 to single bit fields at the end of the struct.
3317 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3319 Rename asynchronous_exceptions to flag_non_call_exceptions.
3321 * gthr-single.h (UNUSED): New. Distinguish between how C
3322 and C++ mark unused function arguments. Use throughout.
3324 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3325 value to target configuration header.
3326 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3327 * config.in, configure: Rebuild.
3328 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3329 configuration and target defines.
3330 (exceptions_via_longjmp): Remove.
3331 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3332 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3334 * except.h (flag_non_call_exceptions): Move ...
3335 * flags.h: ... here.
3337 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3338 exceptions, put the note on the trapping instruction.
3340 * flags.h (flag_new_exceptions): Remove.
3341 * toplev.c: Don't set it.
3342 * final.c: Don't check it.
3343 * except.c: Provide stub definition.
3345 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3346 (calculate_global_regs_live): Kill call-clobbered registers
3347 across exception edges.
3348 * reg-stack.c (convert_regs_1): Kill the entire target stack
3349 across non-call exception edges.
3351 * flow.c (cleanup_cfg): Take no argument.
3352 * output.h, sibcall.c, toplev.c: Update all calls.
3354 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3356 * configure.in: Don't check for bcopy.
3357 * configure, config.in: Regenerate.
3359 * system.h: Don't define or prototype bcopy, instead poison it.
3361 2001-03-27 Richard Henderson <rth@redhat.com>
3363 * function.c (expand_function_start): Set DECL_REGISTER on
3364 a pseudo used for DECL_RESULT.
3366 * rtl.h (LCT_NORETURN): New.
3367 * calls.c (emit_library_call_value_1): Handle it.
3369 2001-03-27 Stan Shebs <shebs@apple.com>
3371 * objc/objc-act.c (objc_init): Use dump_base_name.
3372 (gen_declaration): Clear the buffer arg.
3373 (gen_declaration_1): New function, body of gen_declaration.
3374 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3375 (gen_method_decl): Ditto, plus always clear buffer arg.
3376 (error_with_ivar): Simplify.
3377 (warn_with_method): Ditto.
3378 (build_message_expr): Don't clear buffers.
3379 (dump_interface): Ditto.
3380 (objc_debug): Ditto.
3381 (build_keyword_selector): Clear the buffer by only zeroing
3383 (objc_implementation_context): Declare.
3384 (start_class): Warn about missing @end.
3385 (finish_objc): Ditto.
3387 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3389 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3391 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3393 * Makefile.in (SYSTEM_H): Define.
3394 Depend on $(SYSTEM_H), not system.h.
3396 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3398 2001-03-27 Jim Wilson <wilson@redhat.com>
3400 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3402 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3403 (process_epilogue): New static function.
3404 (process_set): Call process_epilogue instead of emitting .restore
3406 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3408 * flow.c (struct reg_cond_life_info): New fields orig_condition
3410 (init_propagate_block_info): Set new fields.
3411 (mark_regno_cond_dead): Set and use new fields.
3412 (flush_reg_cond_reg_1): Likewise.
3413 (and_reg_cond, case AND): Check for redundant AND conditions.
3414 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3417 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3419 * cppmacro.c (stringify_arg): Null terminate strings.
3421 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3423 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3424 inclusion style. xm-m68hc11.h no longer exists.
3425 * config/m68hc11/xm-m68hc11.h: Delete file.
3426 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3428 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3429 Don't define GCC_VERSION, N_, or PARAMS; don't include
3430 gansidecl.h or stdio.h. Define inhibit_libc here.
3431 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3432 Delete code conditioned on #if GCC_VERSION == 2095.
3434 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3435 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3436 Delete code conditioned on #if GCC_VERSION == 2095.
3438 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3440 * system.h: Include symcat.h.
3441 (STRINGIFY): Don't define.
3443 * configure.in: Adjust comment.
3445 * builtins.c: Use STRINGX, not STRINGIFY.
3446 * gencheck.c: Likewise.
3447 * gengenrtl.c: Likewise.
3448 * protoize.c: Likewise.
3450 * cpplex.c: Don't include symcat.h.
3451 * cpplib.c: Likewise.
3453 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3455 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3457 * c-typeck.c (digest_init): Fold init expression.
3459 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3461 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3463 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3465 * except.c (eh_regs): Save results of build_pointer_type to a temp
3466 as FUNCTION_VALUE macro may evaluate its args multiple times.
3468 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3470 * c-common.h (DECL_NUM_STMTS): New macro.
3471 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3473 (pushdecl): Likewise.
3474 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3475 * integrate.c (expand_inline_function): Don't check
3477 * print-tree.c (print_node): Don't print it.
3478 * toplev.c (rest_of_compilation): Don't try to inline when
3479 flag_no_inline is on.
3480 * tree.h (DECL_FRAME_SIZE): Remove.
3481 (tree_decl): Adjust accordingly.
3483 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3485 * combine.c (try_combine): Use memcpy, not bcopy.
3487 * genattrtab.c (expand_units): Likewise.
3489 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3491 * i386.md (push mem DI peep2): New.
3492 (mov 0, mov -1 peep2): Handle 64bit.
3493 (lea to arithmetics peep2): Handle 64bit leas.
3494 (rsp arithmetics to push/pop peep2s): New.
3496 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3498 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3500 * i386.c (struct machine_function): Add save_varrargs_registers.
3501 (ix86_save_varrargs_registers): New macro.
3502 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3503 (ix86_expand_prologue): Likewise.
3504 (ix86_emit_epilogue_esp_adjustement): Likewise.
3505 (ix86_expand_epilogue): Likewise.
3506 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3507 (pro_epilogue_adjust_stack_1): New insn.
3508 (pro_epilogue_adjust_stack_rex64): Likewise.
3509 * i386.h (MASK_NO_RED_ZONE): New constant.
3510 (TARGET_RED_ZONE): New macro.
3511 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3512 (RED_ZONE_SIZE): New constant.
3513 (RED_ZONE_RESERVE): New constant.
3515 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3517 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3519 2001-03-25 Kazu Hirata <kazu@hxi.com>
3521 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3524 (umodhi3): Likewise.
3527 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3529 * mkconfig.sh (DEFINES): Handle entries with '='.
3531 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3532 Set xm_defines to MACRO=value instead.
3534 * i370/xm-mvs.h: Delete.
3536 * ns32k/xm-pc532-min.h: Likewise.
3538 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3540 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3542 use ix86_expand_binary_operator
3543 (?sh??i_?): Disable for 64bit.
3544 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3545 * i386.c (shiftdi_operand): New predicate.
3547 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3548 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3549 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3550 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3551 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3552 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3553 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3554 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3555 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3556 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3557 (rotldi3, rotrdi3): New expanders.
3559 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3561 * i386.md (movstrsi): Move offline.
3563 (strmovdi_rex64): New.
3564 (strmov?i): Accept 64bit.
3565 (strmov?i_rex64): New.
3566 (strmov?i_rex_1): New.
3567 (strmov?i_1): Disable for 64bit.
3568 (rep_mov?i_rex64): New.
3569 (rep_mov?i): Disable for 64bit.
3570 (clrstrsi): Move offline.
3571 (strset?i_rex64): New.
3572 (strset?i: Accept 64bit.
3573 (rep_stos?i): Disable for 64bit.
3574 (rep_stos?i_rex64): New.
3575 (strset?i_rex_1): New.
3576 (strset?i_1): Disable for 64bit.
3577 (cmpstrsi): Accept 64bit.
3578 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3579 (cmpstrqi_nz_rex_1): New.
3580 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3581 (strlensi): Move offline.
3583 (strlenqi_1): Disable for 64bit; fix constraints.
3584 (strlenqi_rex_1): New.
3585 * i386.c (ix86_adjust_counter): New static function.
3586 (ix86_zero_extend_to_Pmode): Likewise.
3587 (ix86_expand_aligntest): Likweise.
3588 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3589 (ix86_expand_movstr): New global function.
3590 (ix86_expand_clrstr): New global function.
3591 (ix86_expand_strlen): New global function.
3592 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3593 ix86_expand_strlen): Declare.
3594 (ix86_expand_strlensi_unroll_1): Delete.
3596 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3598 * i386.md (cmpdi): Fix operand predicates.
3599 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3600 cmpdi_1_insn_rex64): New patterns.
3601 (adddi3): Turn to expander.
3602 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3603 (addsi3_carry_zext): New pattern.
3604 (adddi_?_rex64): New patterns and splitters.
3605 (addsi_?_zext): New patterns.
3606 (subsi3_carry_zext): New pattern.
3607 (subdi_?_rex64): New patterns and splitters.
3608 (iorsi_?_zext): New patterns.
3609 (iordi_?_rex64): New patterns and splitters.
3610 (iorsi_?_zext): New patterns.
3611 (iorsi_?_zext_imm): New patterns.
3612 (xorsi_?_zext): New patterns.
3613 (xordi_?_rex64): New patterns and splitters.
3614 (xorsi_?_zext): New patterns.
3615 (negdi*): New patterns.
3616 (one_cmpldi*): Likewise.
3617 (one_cmplsi*_zext, negsi*_zext): Likewise.
3618 (testqi_ext_3_rex64): New pattern.
3620 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3622 * i386-protos.h (ix86_split_long_move): Return void.
3623 * i386.c (ix86_split_to_parts): Handle 64bit target.
3624 (ix86_split_long_move): Likewise.
3625 * i386.md (all calls to ix86_split_long_move): Update.
3627 2001-03-23 Richard Henderson <rth@redhat.com>
3629 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3630 to avoid shadowing arguments.
3632 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3634 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3635 to variable names where DECL_NAME is different from
3636 DECL_ASSEMBLER_NAME.
3638 2001-03-23 Jim Wilson <wilson@redhat.com>
3640 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3641 (assemble_alias): Call make_decl_rtl.
3643 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3645 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3647 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3649 * extend.texi: Document the "java_interface" attribute.
3651 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3653 * mkconfig.sh: Use a subshell with redirected stdout,
3654 instead of closing stdout and confusing commands that run
3655 afterward. Throw away output of cmp.
3657 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3659 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3661 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3663 * i386.md (zero_extendsidi2_32): Break out from ...
3664 (zero_extendsidi2): ... here ; turn to expander.
3665 (zero_extendsidi2_rex64): New.
3666 (extendsidi2_32): Break out from ...
3667 (extendsidi2): ... here ; turn to expander.
3668 (extendsidi2_rex64): New.
3669 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3670 (trunc?f?f splitters): Add 64bit versions.
3672 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3674 * i386.md (pushsi, pushsi2_prologue): Disable.
3675 (pushsi2_rex64): New.
3676 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3677 (movqi_ext_1): Disable for 64bit.
3678 (movqi_ext_1_rex64): New.
3679 (pushdi2_rex64): New pattern, peep2s and splitter.
3680 (pushdi2_prologue_rex64): New pattern.
3681 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3683 (movdi splitters): Disable for 64bit.
3684 (movdi_1_rex64): New pattern, peep2s and splitters.
3685 (swapdi): New pattern.
3686 (pushsf): Disable for 64bit.
3687 (pushsf_rex64): New pattern and splitter.
3688 (pushdf_nointeger): Disable for 64bit.
3689 (pushdf_integer): Handle the 64bit case.
3690 (pushtf): Likewise; update splitters.
3692 2001-03-22 Richard Henderson <rth@redhat.com>
3694 * mkconfig.sh: Include insn-flags.h.
3695 * Makefile.in (CONFIG_H): Include insn-flags.h.
3696 (lots of objects): Remove insn-codes.h and insn-flags.h.
3698 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3699 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3700 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3701 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3702 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3703 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3704 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3705 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3706 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3707 v850/v850.c, vax/vax.c:
3708 Don't include insn-flags.h.
3710 * diagnostic.c, expr.h, reload.c, toplev.c:
3711 Don't include insn-codes.h.
3713 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3714 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3715 c4x/c4x.c, i960/i960.c, mips/mips.c:
3716 Don't include insn-codes.h or insn-flags.h.
3718 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3719 or insn-flags.h in the generated code.
3720 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3721 (main): Forward declare struct rtx_def.
3723 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3725 * invoke.texi (-ffast-math): Remove duplicate line about
3728 * gcc.texi: Remove more obsolete documentation of bugs and
3729 installation problems.
3731 2001-03-21 Kazu Hirata <kazu@hxi.com>
3733 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3736 2001-03-20 Jason Merrill <jason@redhat.com>
3738 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3740 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3741 * varasm.c (CHKR_PREFIX): Likewise.
3743 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3745 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3746 is part of a multi-SET insn.
3748 * cse.c (find_comparison_args): Remove previous change.
3749 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3752 * config/i386/i386.md (conditional_trap): Remove warning.
3754 * recog.c (push_operand): Fix error in last change that caused
3755 undefined symbol on many targets.
3757 * sdbout.c: #include ggc.h.
3758 (sdbout_init): Move to end of file.
3759 Call ggc_add_tree_root for anonymous_types.
3760 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3761 (sdbout_one_type): Use DECL_NAME for field name.
3762 * Makefile.in (sdbout.o): Show includes ggc.h.
3764 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3766 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3767 (override_options): Use properlimits for preferred_stack_boundary.
3768 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3770 (ext_register_operand): Accept DImode.
3771 (load_pic_register): Abort on 64bit.
3772 (gen_push): Use Pmode instead of SImode.
3773 (ix86_save_reg): Pic reg is never used on 64bit.
3774 (ix86_expand_prologue): Likewise.
3775 (ix86_emit_save_regs): Use Pmode instead of SImode.
3776 (legitimate_address_p): Check displacement for 64bit.
3777 (print_operand): Avoid outputting of (%rip) on 64bit.
3778 (print_operand_address): Output (%rip) where possible.
3779 (split_di): Abort on 64bit registers.
3780 (ix86_expand_branch): DImode comparison is simple for x86_64.
3781 (memory_address_length): Recognize memory addresses formed using
3783 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3785 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3787 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3789 * recog.c (push_operand): Recognize new format of push instructions.
3791 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3793 * i386.md (pushqi1): New.
3794 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3795 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3796 x86_64_immediate_operand, x86_64_immediate_operand,
3797 x86_64_zext_immediate_operand): Declare.
3798 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3799 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3800 x86_64_immediate_operand, x86_64_immediate_operand,
3801 x86_64_zext_immediate_operand): define.
3802 * i386.h (PREDICATE_CODES): Add new predicates.
3804 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3806 * i386.md (pophi1, popqi1, pushqi1): Remove.
3808 * expr.c (emit_single_push_insn): New function.
3809 (move_by_pieces): Accept NULL as destination for push instructions.
3810 (gen_push_operand): Kill.
3811 (emit_push_insn): Pass NULL when pushing; avoid updating of
3812 stack_pointer_delta.
3813 * expr.h (gen_push_operand): Kill.
3815 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3817 * rtl.texi (COMPARE): Clarify documentation and reference section
3820 2001-03-20 Stan Shebs <shebs@apple.com>
3822 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3823 (get_object_reference): Ditto.
3824 (error_with_ivar): Use error_with_file_and_line.
3825 (warn_with_method): Use warning_with_file_and_line.
3827 2001-03-20 Tom Tromey <tromey@redhat.com>
3829 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3831 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3833 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3834 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3836 2001-03-20 DJ Delorie <dj@redhat.com>
3838 * Makefile.in (install-libgcc): Pass complete list of variables.
3839 (install-multilib): Ditto.
3841 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3843 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3844 drectve_section, switch_to_section.
3846 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3847 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3848 i386_pe_mark_dllimport.
3850 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3852 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3853 functions i386_pe_*.
3855 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3856 i386_pe_* functions with char * arguments.
3858 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3860 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3862 (movsi_ie): Introduce fpul store.
3864 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3866 * Makefile.in (OBJS): Remove hashtab.o.
3868 2001-03-19 Stan Shebs <shebs@apple.com>
3870 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3871 * c-lang.c (maybe_objc_method_name): Ditto.
3872 * c-tree.h (maybe_objc_method_name): Remove decl.
3874 2001-03-19 Tom Tromey <tromey@redhat.com>
3876 * gcc.c (init_gcc_specs): Fix comment.
3878 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3880 Compute DECL_ASSEMBLER_NAME lazily.
3881 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3882 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3883 (SET_DECL_ASSEMBLER_NAME): Likewise.
3884 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3885 (set_decl_assembler_name): Declare.
3886 (lang_set_decl_assembler_name): Likewise.
3887 * tree.c (lang_set_decl_assembler_name): New variab.e
3888 (set_decl_assembler_name): New function.
3889 (init_obstacks): Set lang_set_decl_assembler_name.
3890 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3891 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3892 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3893 where it's not necessary.
3894 (builtin_function): Likewise.
3895 (finish_decl): Likewise.
3896 * dbxout.c (dbxout_type_methods): Likewise.
3897 * ggc-common.c (ggc_mark_trees): Likewise.
3898 * profile.c (output_func_start_profiler): Likewise.
3899 * varasm.c (make_decl_rtl): Likewise.
3901 * cse.c (find_comparison_args): Update documentation. Fix
3902 mishandling of COMPARE operations.
3904 * tree.def (ABS_EXPR): Add documentation.
3905 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3907 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3909 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3911 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3913 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3914 Remove ia32 linux PIC kludge and move it...
3915 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3917 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3919 * i386.md (absdf2 expander): Fix 64bit case.
3921 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3923 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3925 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3927 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3929 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3931 * README.X11: Remove obsolete file.
3933 2001-03-18 Anthony Green <green@redhat.com>
3935 * config/pj/pj.h: Remove some trailing commas.
3936 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3938 2001-03-18 Richard Henderson <rth@redhat.com>
3940 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3941 * calls.c: ... here.
3942 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3943 defaults for them here.
3945 2001-03-17 Anthony Green <green@redhat.com>
3947 * config/pj/lib1funcs.S: Fix broken comment.
3948 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3951 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3953 * gcc.texi: Remove obsolete information relating to build and
3954 installation problems with enquire or the Pyramid C compiler.
3956 2001-03-17 Richard Henderson <rth@redhat.com>
3958 * dwarf2out.c (queue_reg_save): New.
3959 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3960 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3962 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3963 (cfa, cfa_store, cfa_temp): Make static.
3964 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3966 2001-03-17 Richard Henderson <rth@redhat.com>
3968 * integrate.h (struct inline_remap): Add local_return_label.
3969 * integrate.c (expand_inline_function): Initialize it and emit
3970 it after copy_insn_notes.
3971 (copy_insn_list): Don't store local_return_label here.
3972 (copy_insn_notes): New function split out from copy_insn_list.
3974 2001-03-17 Richard Henderson <rth@redhat.com>
3976 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3977 is generating .debug_line.
3978 (dwarf2out_init): Add main_input_filename to the file table first.
3979 * configure.in (as_dwarf2_debug_line): Test with file number 1
3980 instead of file number 0.
3982 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3984 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3985 (gen_rtx_combine): Deleted; all references changed as appropriate.
3986 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3988 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3990 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3992 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3995 2001-03-16 Jim Wilson <wilson@redhat.com>
3997 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3998 then set it to LOC_REG (79) instead of aborting.
4000 2001-03-16 Phil Edwards <pme@sources.redhat.com>
4002 * gccbug.in: Remove high priority.
4004 2001-03-16 Richard Henerson <rth@redhat.com>
4006 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
4007 output with a space instead of deleting it.
4008 * configure: Regenerate.
4010 2001-03-16 Zack Weinberg <zackw@stanford.edu>
4012 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
4013 handles the gory details of converting an object file into
4014 something that's safe to grep.
4015 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
4016 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
4017 newlines at either end of the string we're looking for.
4018 Make 'checking ...' message less stilted.
4019 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
4020 ARM in-memory layout and its hypothetical converse. Don't
4021 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
4022 HOST_WORDS_BIG_ENDIAN.
4024 * configure.in: Adjust for renamed macro. Move
4025 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
4026 * configure, config.in: Regenerate.
4028 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4030 * fixinc/Makefile.in: Set SHELL.
4032 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4034 * fixinc/fixincl.c (fix_with_system): Quote file names before
4035 passing them to shell.
4037 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4039 * Makefile.in: Use fix-header$(build_exeext) instead
4042 2001-03-16 Richard Henderson <rth@redhat.com>
4044 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
4045 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
4046 (size_of_line_prolog): Remove.
4047 (output_line_info): Compute prologue size via label difference.
4048 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
4050 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
4051 assembler error when redefining file numbers.
4052 * config.in, configure: Rebuild.
4054 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
4055 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
4056 (dw2_asm_output_delta_uleb128): Likewise.
4057 (dw2_asm_output_delta_sleb128): Similarly.
4058 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
4060 2001-03-16 Michael Meissner <meissner@redhat.com>
4062 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
4064 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
4066 (BITMASK_LOWER16): Replacement for 0x0000ffff.
4068 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
4069 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
4070 being unsigned in ISO C and signed in traditional.
4071 (expand_prologue): Ditto.
4072 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
4074 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
4076 (divsi3,divdi3): Ditto.
4077 (modsi3,moddi3): Ditto.
4078 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
4079 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
4080 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
4083 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
4085 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
4086 SSE based conditional moves on LTGT/UNEQ conditions;
4087 Canonicalize EQ to NE.
4088 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
4089 (sse_mov?fcc_ne): New.
4091 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
4093 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4095 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
4096 register may be dead.
4098 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
4100 * Makefile.in (hash.o): Depend on CONFIG_H.
4102 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4104 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
4106 2001-03-15 Richard Henderson <rth@redhat.com>
4108 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
4109 (ASM_OUTPUT_DWARF_PCREL): New.
4110 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
4112 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4114 * cppfiles.c (stack_include_file): Use MAX of sysp.
4116 2001-03-15 Steve Ellcey <sje@cup.hp.com>
4118 * config.gcc (ia64*-*-hpux*): New case.
4119 * config/ia64/hpux.h: New file for HP-UX support.
4120 * config/ia64/t-hpux: New file for HP-UX support.
4122 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4124 * fixinc/inclhack.def (irix_stdio_va_list): New.
4125 * fixinc/fixincl.x: Rebuilt.
4127 2001-03-15 Richard Henderson <rth@redhat.com>
4129 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
4130 if provided by the target.
4131 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
4132 (dw2_asm_output_addr): New.
4133 * dwarf2asm.h (dw2_asm_output_addr): Declare.
4134 * dwarf2out.c (output_cfi): Use it for program addresses.
4135 (output_call_frame_info, output_die): Likewise.
4136 (output_aranges, output_line_info): Likewise.
4138 2001-03-15 Bruce Korb <bkorb@gnu.org>
4140 * gcc.c(main): make more rigorous
4141 * collect2.c(main): guard against ignoring SIGCHLD
4142 * protoize.c(main): ditto
4143 * gcc/fixinc/fixincl.c(initialize): ditto
4145 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4147 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4148 (sdbout_parms): Likewise.
4150 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
4152 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4153 "widen" a destination that is already wider than a word. Also do
4154 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4156 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4158 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
4160 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
4162 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
4164 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
4166 * i960.h (i960_maxbitalignment,
4167 i960_last_maxbitalignment): Declare.
4168 * i960.c (i960_maxbitalignment,
4169 i960_last_maxbitalignment): Make global.
4170 (process_pragma): Delete.
4171 (i960_pr_align, i960_pr_noalign): Move from here ...
4172 * i960-c.c: ... to this new file.
4173 * t-960bare (i960-c.o): New rule.
4174 * t-vxworks960 (i960-c.o): Likewise.
4175 * config.gcc (i960-*-*): Define c_target_objs and
4178 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4180 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
4181 without adding in rtx code and mode.
4183 * alias.c (init_alias_analysis): Don't use any rtx whose value
4184 varies as a known value.
4185 Delete a superfluous test.
4187 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
4189 (ia64_sched_reorder): Call maybe_rotate; also rotate after
4190 scheduling a stop bit.
4191 (ia64_emit_nops): Correctly handle ASMs.
4193 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4195 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4197 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4199 * cpp.texi: Update documentation for -include and -imacros.
4200 * cppfiles.c (struct include_file): Remove "defined" memeber.
4201 (find_or_create_entry): Make a copy of the file name, and
4203 (open_file): Update to ensure we use the simplified filename.
4204 (stack_include_file): Don't set search_from.
4205 (cpp_included): Don't simplify the path name here.
4206 (find_include_file): New prototype. Call search_from to
4207 get the start of the "" include chain. Don't simplify the
4209 (_cpp_execute_include): New prototype. Move diagnostics to
4210 do_include_common. Update.
4211 (_cpp_pop_file_buffer): Don't set defined.
4212 (search_from): New prototype. Use the preprocessor's cwd
4213 for files included from the command line.
4214 (read_name_map): Don't simplify the pathname here.
4215 * cpphash.h (enum include_type): New.
4216 (struct buffer): Delete search from. New search_cached.
4217 (_cpp_execute_include): Update prototype.
4218 * cppinit.c (do_includes): Use _cpp_execute_include.
4219 * cpplib.c (do_include_common): New function.
4220 (do_include, do_include_next, do_import): Use it.
4222 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4224 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4225 contents of the RTL, to determine the name of the object.
4227 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4229 * tree.h (DECL_RTL): Allocate RTL lazily.
4230 (SET_DECL_RTL): New macro.
4231 (DECL_RTL_SET_P): Likewise.
4232 (COPY_DECL_RTL): Likewise.
4233 (DECL_RTL_IF_SET): Likewise.
4234 * varasm.c (make_decl_rtl): Add assertions about the kind of
4235 declaration we are processing.
4236 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4237 (start_decl): Likewise.
4238 (finish_decl): Likewise.
4239 * c-semantics.c (emit_local_var): Likewise.
4240 * calls.c (expand_call): Likewise.
4241 * dbxout.c (dbxout_symbol): Likewise.
4242 * emit-rtl.c (unshare_all_rtl): Likewise.
4243 (unshare_all_decls): Likewise.
4244 (reset_used_decls): Likewise.
4245 * expr.c (store_constructor): Likewise.
4246 (safe_from_p): Likewise.
4247 (expand_expr): Likewise.
4248 * function.c (put_var_into_stack): Likewise.
4249 (instantiate_decls_1): Likewise.
4250 (assign_parms): Likewise.
4251 (expand_function_start): Likewise.
4252 (expand_function_end): Likewise.
4253 * ggc-common.c (gcc_mark_trees): Likewise.
4254 * integrate.c (function_cannot_inline_p): Likewise.
4255 (copy_decl_for_inlining): Likewise.
4256 (expand_inline_function): Likewise.
4257 (integrate_parm_decls): Likewise.
4258 (integrate_decl_tree): Likewise.
4259 * print-tree.c (print_node): Likewise.
4260 * reg-stack.c (stack_result): Likewise.
4261 * stmt.c (label_rtx): Likewise.
4262 (expand_return): Likewise.
4263 (expand_decl): Likewise.
4264 (expand_decl_cleanup): Likewise.
4265 (expand_anon_union_decl): Likewise.
4266 * toplev.c (check_global_declarations): Likewise.
4267 (rest_of_decl_compilation): Likewise.
4268 * tree.c (simple_cst_equal): Likewise.
4269 * objc/objc-act.c (generate_static_references): Likewise.
4271 2001-03-14 Zack Weinberg <zackw@stanford.edu>
4273 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4274 gcc_AC_C_FLOAT_FORMAT): New macros.
4275 * configure.in: Add AC_PROG_CPP after CC tests;
4276 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
4277 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4278 * configure, config.in: Regenerate.
4280 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4281 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4282 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4283 config/i370/xm-linux.h, config/i370/xm-oe.h,
4284 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4285 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4286 config/pa/xm-linux.h, config/pa/xm-pa.h,
4287 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4288 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4289 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4290 config/we32k/xm-we32k.h: Delete.
4292 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4293 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4294 config/vax/xm-vms.h: Don't define any of:
4295 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4297 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4299 * config.gcc: Remove references to deleted files.
4300 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4301 FATAL_EXIT_CODE, which is the same between oe and mvs).
4303 2001-03-14 DJ Delorie <dj@redhat.com>
4304 Vladimir Makarov <vmakarov@redhat.com>
4306 * config/i960/i960.c (i960_function_prologue): Compute size of
4307 frame according to number of registers actually saved there.
4309 2001-03-14 Richard Henderson <rth@redhat.com>
4311 * expr.c (emit_move_insn_1): Fix else if around #endif.
4313 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4316 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4319 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4321 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4322 (override_options): Parse cmodel string.
4323 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4324 * i386.h (TARGET_OPTIONS): Add "cmodel".
4325 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4327 (ix86_cmodel_string, ix86_cmodel): Declare.
4329 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4332 * i386.h (GENERAL_REG_P): Add missing REG_P.
4334 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4336 * configure.in: Use $gcc_cv_as instead of $as.
4337 * configure: Regenerated.
4339 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4341 * cppfiles.c (stack_include_file): Only increase the include
4342 count if we actually process the file properly, as opposed
4343 to treating it as length zero. Only call read_include_file
4344 if not DO_NOT_REREAD. Handle the -H include file output
4346 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4347 (cpp_included, find_include_file): Simplify pathnames after
4348 remapping them. If remapping, don't use the remapped file
4349 name's buffer as our scratch buffer.
4350 (cpp_pop_file_buffer): Replace the multiple include macro
4351 only if it isn't yet set.
4352 (read_name_map): Simplify remapped names when reading in.
4353 (remap_filename): Move code to code path that uses it.
4354 (_cpp_simplify_pathname): Return the input pointer.
4355 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4357 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4359 * expr.c (expand_expr): Revove bogus conditional.
4361 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4363 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4365 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4367 * reg-stack.c (stack_result): Unconditionally use
4368 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4370 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4372 * expr.c (emit_move_insn_1): Split push of complex value when
4373 no suitable push instruction exist.
4375 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4376 instead of QI_REG_P.
4378 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4380 * alias.c (handled_component_p, can_address_p): New functions.
4381 (get_alias_set): Use them.
4383 2001-03-13 Jim Wilson <wilson@redhat.com>
4385 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4386 from 80 in try_locals code.
4387 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4389 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4391 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4392 gcc_AC_C_LONG_LONG): New.
4393 * configure.in: Use them. Probe the size of short, int, long,
4394 and long long/__int64 if we have them. Move all the AC_C_*
4395 checks together, except gcc_AC_C_CHAR_BIT which has to go
4396 after AC_CHECK_HEADERS(limits.h).
4397 Take hwint.h out of host_xm_file and build_xm_file.
4399 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4400 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4401 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4402 Move the HOST_WIDEST_INT setup logic here from system.h.
4403 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4405 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4406 is now handled by hwint.h.
4408 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4409 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4410 config/ia64/xm-ia64.h: Don't define any of:
4411 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4412 HOST_BITS_PER_LONGLONG.
4414 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4415 config/h8300/xm-h8300.h, config/mips/iris6.h,
4416 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4417 config/sparc/xm-sp64.h: Delete.
4418 * config.gcc: Remove references to deleted files.
4420 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4421 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4422 * config/i370/xm-linux.h: Clarify floating-point situation in
4425 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4427 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4428 (find_include_file): Decide here which part of the include
4429 chain to start the search. Complain about an empty include
4430 chain in all cases apart from an abolsute file name.
4431 (_cpp_execute_include): Don't choose the search chain here.
4432 Don't call handle_missing_include in the case of an empty
4434 (_cpp_compare_file_date): Don't choose the search chain here.
4435 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4436 here from _cpp_execute_include. Behave like #include if
4437 we're in the main file.
4439 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4441 * system.h (malloc, realloc, calloc, strdup): Only poison these
4442 tokens when IN_GCC is defined.
4444 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4446 * i386.md (abs?f expander): Support SSE case.
4447 (abd?f_if): Add new "USE"; add splitters.
4449 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4451 * cpp.texi (poison): Explain the macro expansion exception.
4453 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4455 * expr.c (store_expr): Add dont_store_target. If temp is already in
4456 target before copying to reg, don't store it into target again.
4458 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4460 * cppinternals.texi: Update for file handling.
4462 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4464 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4465 2001-02-24 which broke building the Java library.
4466 * function.c (identify_blocks): Likewise.
4467 (all_blocks): Likewise.
4468 * integrate.c (integrate_decl_tree): Likewise.
4469 * print-tree.c (print_node): Likewise.
4470 * tree.h (BLOCK_NUMBER): Likewise.
4471 (struct tree_block): Likewise.
4473 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4475 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4476 __WCHAR_TYPE__ definition.
4477 (WCHAR_TYPE_SIZE): #undef before #define.
4479 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4481 * cppfiles.c: Update comments.
4482 (destroy_include_file_node): Rename destroy_node.
4483 (find_or_create_entry): New function.
4484 (open_file, _cpp_fake_include): Use it.
4485 (handle_missing_header): New function, broken out of
4486 _cpp_execute include. Don't segfault if there is no
4487 system or quoted path.
4488 (_cpp_execute_include): Use handle_missing_header.
4490 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4492 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4493 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4495 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4497 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4498 unless anti_dependence says they are.
4499 * alias.c (objects_must_conflict): If neither has a type specified,
4502 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4503 David Billinghurst <David.Billinghurst@riotinto.com>
4505 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4507 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4509 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4510 (*_one_bit): Remove type on the match_operand in attributes.
4512 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4514 * i386.c: Commit forgotten hunk in previous patch.
4515 (regclass_map): Add extended registers.
4516 (dbx_register_map): Add missing frame register.
4518 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4520 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4522 * i386.md (x86_sahf_1): Disable for 64bit.
4523 (popsi*, pophi*): Likewise.
4524 (pushqi, pushhi): Likewise.
4525 (movdi, pushdi): Likewise.
4526 (zero extend DImode splitter): Likewise.
4527 (adddi, minusdi splitter): Likewise.
4528 (umulsidi): Likewise.
4530 (mulsidi): Disable for 64bit
4531 (lshift:DI/ashift:DI): Disable for 64bit.
4532 (loop patterns): Likewise.
4533 (call_pop, call_value_pop expanders and patterns): Likewise.
4534 (prologue_get_pc): Likewise.
4536 (fcmovDI pattern and splitter): Likewise.
4537 (movdfcc_1_rex64): New.
4539 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4541 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4542 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4543 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4544 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4545 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4546 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4547 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4548 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4549 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4550 (REGPARM_MAX): Set to 6 for x86_64.
4551 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4552 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4555 * (patterns that does use upper halves): Update constraints
4556 'q' to 'Q' and 'r' to 'R'.
4557 (cmpqi_ext_1): Disable for 64bit.
4558 (cmpqi_ext_3_insn): Likewise.
4559 (movqi_extzv_1): Likewsie.
4560 (addqi_ext_1): Liekwsie
4561 (testqi_ext_1): Liekwsie
4562 (andqi_ext_1): Liekwsie
4563 (xorqi_ext_1): Liekwsie
4564 (cmpqi_ext_1_rex64): New.
4565 (cmpqi_ext_3_insn_rex64): Likewise.
4566 (movqi_extzv_1_rex64): Likewsie.
4567 (addqi_ext_1_rex64): Liekwsie
4568 (testqi_ext_1_rex64): Liekwsie
4569 (andqi_ext_1_rex64): Liekwsie
4570 (xorqi_ext_1_rex64): Liekwsie
4572 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4574 * configure.in: Move check for unsigned enumerated bitfields
4575 to macro in aclocal.m4. Disable it for now.
4576 * configure, config.in: Regenerate.
4577 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4578 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4579 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4580 kind above its first use.
4582 * config/xm-interix.h, config/alpha/xm-alpha.h,
4583 config/i370/xm-linux.h, config/i386/xm-beos.h,
4584 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4585 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4586 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
4587 Don't define ONLY_INT_FIELDS under any circumstances.
4589 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4591 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4592 config/sparc/xm-sysv4.h: Delete - now identical with some
4594 * config.gcc (hppa targets): Replace xm-pahpux.h and
4595 xm-papro.h with implicit xm-pa.h.
4596 (sparc targets): Replace xm-sysv4.h with implicit or explicit
4599 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4601 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4602 before reload_cse_noop_set_p.
4604 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4606 * config.gcc: Where xm-host.h used to include another
4607 xm-host.h, list the nested header directly in xm_file. Remove
4608 references to deleted files. Can now use sparc/xm-sp64.h for
4611 * config/xm-linux.h, config/arm/xm-linux.h,
4612 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4613 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4614 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4615 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4616 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4619 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4620 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4621 bother to wrap #undef in #ifdef.
4622 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4623 Don't include xm-linux.h.
4624 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4626 * configure.in: Wrap regexps using [] in changequote block.
4627 Use expr : not echo | grep. Simplify regexps.
4628 * configure: Regenerate.
4630 56 xm-files remain, 22 xm-arch.
4632 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4634 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4635 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4636 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4637 (copy_object): Fix format specifier vs argument mismatch.
4639 * mips-tdump.c: Make local functions static.
4640 (rindex): Don't #undef.
4641 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4642 (fatal, fancy_abort): Delete.
4643 (read_seek): Avoid signed/unsigned compare.
4645 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4647 * combine.c (try_combine): Fix error in change to try original
4649 (gen_rtx_combine): Do same as gen_rtx for now.
4651 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4653 * configure.in: AC_SUBST xm_defines.
4654 * configure: Regenerate.
4655 * Makefile.in: Set DEFINES=$(xm_defines) when building
4658 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4660 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4661 (cpp_included, find_include_file): Update.
4662 (_cpp_compare_file_date): Make else unconditional.
4664 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4666 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4668 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4670 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4671 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4673 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4675 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4676 if it's a record type.
4678 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4680 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4681 mingw includes slightly.
4683 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4685 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4686 #undef token before poisoning it.
4688 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4690 * alpha.c (check_float_value): Use memcpy, not bcopy.
4692 * m32r.c (m32r_sched_reorder): Likewise.
4694 * vax.c (check_float_value): Likewise.
4696 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4698 * toplev.c (file_name_nondirectory): Remove.
4699 * toplev.h: Similarly.
4700 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4701 of file_name_nondirectory.
4703 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4705 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4706 * mips-tfile.c: Don't #undef rindex; not used.
4708 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4710 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4711 (dbx64_register_map): Declare.
4712 (RETURN_ADDR_RTX): Fix for 64bit.
4713 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4714 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4715 * i386.c (dbx64_register_map): New global array.
4716 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4717 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4720 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4722 * cppfiles.c (search_from): Use lbasename.
4723 * mkdeps.c (deps_add_default_target): Use lbasename.
4725 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4727 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4728 xcalloc in lieu of malloc, realloc & calloc.
4730 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4732 * gengenrtl.c (xmalloc): Likewise.
4734 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4735 really_call_* memory allocation routines.
4737 * stmt.c (check_for_full_enumeration_handling): Use
4738 really_call_calloc, not calloc.
4740 * system.h (really_call_malloc, really_call_calloc,
4741 really_call_realloc): Define.
4742 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4744 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4746 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4748 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4750 * configure: Rebuilt.
4751 * configure.in: Only use `lang_requires' for languages athat are
4754 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4756 * invoke.texi: Fix typo.
4757 * gcc.1: Regenerate.
4759 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4761 * configure.in: Prune nonexistent files from build_xm_file,
4762 xm_file, and host_xm_file lists. Warn unless they're
4764 Don't generate *config.h here.
4765 AC_SUBST all variables needed to generate *config.h.
4766 * configure: Regenerate.
4767 * mkconfig.sh: New helper script, from code removed from
4769 * Makefile.in: Zap all MALLOC variables - no longer used
4770 anywhere, and malloc.c doesn't exist.
4771 Substitute in variables needed to generate *config.h.
4772 Stop lying about the dependencies contained in CONFIG_H and
4774 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4775 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4776 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4777 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4778 $(TM_P_H), etc. as appropriate.
4780 * config.gcc: Zap references to deleted files.
4781 * ggc-none.c: Don't include rtl.h or tm_p.h.
4783 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4784 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4785 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4786 config/i386/xm-linux.h, config/i386/xm-linux.h,
4787 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4788 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4789 Don't include i386/xm-i386.h.
4791 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4792 config/i386/xm-i386.h, config/i860/xm-i860.h,
4793 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4794 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4795 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4796 Delete (empty except comments, #includes of other deleted
4797 files, and macros used nowhere).
4799 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4801 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4802 independent on TARGET_FLAGS.
4804 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4806 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4808 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4810 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4812 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4813 LAST_REX_SSE_REG): define.
4814 (enum reg_class): Add 'LEGACY_REGS'
4815 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4816 (SSE_REGNO_P): Recognize extended registers.
4817 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4818 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4819 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4820 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4821 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4822 REG_OK_FOR_STRREG_P): Remove.
4823 (HI_REGISTER_NAMES): Add extended registers.
4824 (ADDITIONAL_REGISTER_NAMES): Likewise.
4825 (QI_REGISTER_NAMES): Add 8bit extended registers.
4826 (DEBUG_REG): Support extended registers.
4827 * i386.c (regclass_map): Add extended registers.
4828 (dbx_register-map): Likewise.
4829 (svr4_dbx_register_map): Likewise.
4830 (print_reg): Support extended registers.
4831 (print_operand): Support 64bit operands.
4833 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4835 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4836 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4837 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4838 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4839 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4840 STACK_BOUNDARY): Set properly for 64bits.
4841 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4842 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4843 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4844 (MOVE_MAX): Set to 16.
4845 (MOVE_MAX_PIECES): 8 for 64bit.
4846 (Pmode): Set to SImode.
4848 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4850 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4852 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4854 * i386.h (mask_64bit): New constant.
4855 (target_64bit): New macro.
4856 (target_options): Add '64'/'32'
4857 (target_default): Define.
4858 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4859 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4860 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4862 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4864 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4866 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4868 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4869 LO_SUM unless for_alias is set.
4871 2001-03-08 Stan Shebs <shebs@apple.com>
4873 * objc/objc-act.c: Fix old typos in comments, add comments for
4875 (hash_init): Fix file name in error message.
4876 (hash_enter): Ditto.
4877 (hash_add_attr): Ditto.
4878 (continue_class): Ditto.
4880 2001-03-08 Bruce Korb <bkorb@gnu.org>
4882 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4883 wait4() can receive the signal.
4885 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4887 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4889 * fixinc/fixincl.x: Regenerate.
4891 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4893 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4895 * fixinc/fixincl.x: Regenerate.
4897 2001-03-08 Richard Henderson <rth@redhat.com>
4899 * configure.in (HAVE_AS_LEB128): New assembler check.
4900 * configure, config.in: Rebuilt.
4902 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4904 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4907 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4909 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4910 references to the MAXPATHLEN macro.
4912 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4913 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4916 * config/i386/xm-gnu.h, config/xm-gnu.h,
4917 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4918 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4919 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4920 and/or unused files.
4922 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4923 doing so in various xm-*.h files.
4925 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4927 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4929 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4931 * configure.in (enable_shared): Support per-package shared-library
4933 * configure: Rebuilt.
4935 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4937 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4938 for crnot. Set operands[5] in splitter.
4940 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4942 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4943 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4944 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4945 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4946 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4947 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4948 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4951 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4952 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4953 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4954 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4955 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4956 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4957 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4958 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4959 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4960 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4961 Delete unused and/or empty files.
4963 * config.gcc: Define USG in xm_defines as appropriate. Define
4964 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4965 macro. Remove deleted xm-* files from $xm_files variable.
4967 2001-03-07 Tom Tromey <tromey@redhat.com>
4969 * configure: Rebuilt.
4970 * configure.in: Allow config-lang.in to set `lang_requires' to list
4971 of other required languages.
4973 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4975 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4977 (output_prologue): Use xmalloc not oballoc.
4978 (output_epilog): Free a29k_first_epilogue_insn when finished.
4979 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4981 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4983 * builtins.c (expand_builtin_mathfn): Check
4984 flag_unsafe_math_optimizations, not flag_fast_math.
4985 (expand_builtin): Likewise
4986 * combine.c (combine_simplify_rtx): Likewise.
4987 (simplify_if_then_else): Likewise.
4988 * cse.c (fold_rtx): Likewise.
4989 * flags.h: Remove flag_fast_math. Add
4990 flag_unsafe_math_optimizations and flag_trapping_math.
4991 * fold-const.c (negate_expr): Check
4992 flag_unsafe_math_optimizations, not flag_fast_math.
4993 (invert_truthvalue): Likewise.
4994 (fold): Likewise. Before associating operands, check that
4995 code == MULT_EXPR, not code != MULT_EXPR.
4996 * ifcvt.c (noce_try_minmax): Check
4997 flag_unsafe_math_optimizations, not flag_fast_math.
4998 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4999 * invoke.texi: Document -funsafe-math-optimizations and
5000 -fno-trapping-math. Change documentation for -ffast-math.
5001 * jump.c (reversed_comparison_code_parts): Likewise.
5002 (rtx_equal_for_thread_p): Likewise.
5003 * optabs.c (emit_conditional_move): Likewise.
5004 * simplify-rtx.c (simplify_binary_operation): Likewise.
5005 (simplify_relational_operation): Likewise.
5006 (simplify_ternary_operation): Likewise.
5007 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
5008 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
5009 Add trapping-math and unsafe-math-optimizations entries to f_options.
5010 (set_fast_math_flags): New, sets flags for -ffast-math.
5011 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
5012 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
5013 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
5015 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
5016 (alpha_emit_conditional_move): Initialize local_fast_math to
5017 flag_unsafe_math_optimizations, not flat_fast_math.
5018 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
5019 instead of setting flag_fast_math to 1.
5020 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
5022 * config/i386/i386.c (override_options): Likewise
5023 * config/i386/i386.md: Likewise.
5024 * config/m68k/m68k.md: Likewise.
5025 * config/mips/mips.md: Likewise.
5026 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
5027 (rs6000_generate_compare): Likewise.
5029 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5031 * Makefile.in: Set RANLIB to @RANLIB@.
5034 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5036 * fixinc/inclhack.def (djgpp_wchar_h): New test.
5037 * fixinc/fixincl.x: Regenerated.
5039 2001-03-07 Richard Henderson <rth@redhat.com>
5041 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
5043 2001-03-07 Richard Henderson <rth@redhat.com>
5045 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
5046 of block notes and exception handling notes.
5048 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
5049 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
5050 (compile_file): ... here.
5052 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5054 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
5056 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
5057 config.h now. Include libiberty.h to handle alloca.
5059 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5061 * c-parse.in (yylexname): New function, split out of _yylex.
5062 (objc_rid_sans_at): New table.
5063 (init_reswords): Initialize it.
5064 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
5065 retrieving the next token and checking it for significance as
5066 an ObjC keyword or string constant.
5068 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
5069 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
5071 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
5074 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
5076 * config/m68k/m68k.c (const_uint32_operand): Accept any
5077 const_int on a 32-bit host.
5079 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
5081 * objc/objc-act.c (init_objc): Set save_lang_status,
5082 restore_lang_status, and mark_lang_status.
5084 2001-03-06 Krister Walfridsson <cato@df.lth.se>
5086 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
5088 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
5090 * cppinternals.texi: Update.
5092 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5094 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5095 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
5096 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
5097 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5098 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
5099 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5100 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
5101 config/i386/xm-i386.h, config/i860/xm-i860.h,
5102 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5103 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
5104 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5105 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5106 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5107 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5108 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
5109 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5110 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
5111 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5112 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5113 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
5114 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
5115 match the defaults provided in hwint.h.
5117 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5118 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
5120 * config.gcc (xm_file): Don't set to files which are deleted.
5122 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
5123 guard this file against these macros being undefined.
5125 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5127 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
5128 and DECL_DEFER_OUTPUT on the decl we create, before calling
5129 rest_of_decl_compilation.
5131 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5133 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5135 * configure, config.in: Regenerate.
5136 * config.gcc: Remove references to deleted files.
5138 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
5139 genrecog.c, rtl.c: Do not use alloca anywhere.
5141 * Makefile.in, build-make, system.h, config/x-interix,
5142 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
5143 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
5144 config/arc/xm-arc.h, config/arm/xm-arm.h,
5145 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5146 config/h8300/xm-h8300.h, config/i370/x-oe,
5147 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
5148 config/i386/x-ncr3000, config/i386/x-sco5,
5149 config/i386/xm-dgux.h, config/i860/x-sysv4,
5150 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
5151 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
5152 config/m68k/x-hp320g, config/m69k/x-mot3300,
5153 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
5154 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
5155 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
5156 config/m88k/x-sysv4, config/m88k/x-tekXD88,
5157 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5158 config/mips/x-iris, config/mips/x-iris3,
5159 config/mips/x-sni-svr4, config/mips/x-sysv,
5160 config/mips/xm-iris6.h, config/mips/xm-mips.h,
5161 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
5162 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
5163 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5164 config/pa/xm-papro.h, config/romp/xm-romp.h,
5165 config/rs6000/x-aix31, config/rs6000/x-aix41,
5166 config/rs6000/x-beos, config/rs6000/x-lynx,
5167 config/rs6000/x-mach, config/rs6000/x-rs6000,
5168 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
5169 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5170 config/sparc/x-sysv4, config/sparc/xm-linux.h,
5171 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
5172 config/vax/xm-vms.h: Eradicate all references to alloca and
5175 * config/xm-alloca.h, config/clipper/x-clix,
5176 config/i386/xm-sysv4.h, config/i860/x-fx2800,
5177 config/i860/x-sysv3, config/m88k/x-sysv3,
5178 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
5179 (contained only alloca related hacks).
5181 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
5184 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
5186 * invoke.texi: Document __FAST_MATH__.
5188 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5190 * crtstuff.c: Restore include of auto-host.h.
5192 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
5194 Put main() in a separate file, so that the language
5195 front-end can use a different main().
5198 * toplev.c: (main): Rename as toplev_main.
5199 * toplev.h: Declare toplev_main.
5200 * Makefile.in (OBJS): add toplev.o.
5201 (BACKEND): remove toplev.o, add main.o.
5203 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5205 * cppfiles.c (search_from): Special case the empty string.
5207 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5209 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
5210 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5211 strlen or strcpy; we already know the length.
5212 (_cpp_compare_file_date): Similarly.
5213 * cpphash.h (struct cpp_reader): Delete done_initialising.
5214 (CPP_PREV_BUFFER): Delete.
5215 * cppinit.c (cpp_start_read): Don't set done_initialising.
5216 * cpplex.c (parse_string): Guarantee null-termination.
5217 (_cpp_equiv_toklists): Remove.
5218 * cpplib.c (glue_header_name): Null-terminate.
5219 (do_line): Don't leak memory.
5220 * cpplib.h (BT_WEAK): Delete.
5221 * cppmain.c (cb_ident): Strings are now null-terminated.
5223 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
5225 * gcc.c (convert_filename): Append executable suffix
5226 if NO_AUTO_EXE_SUFFIX is not defined.
5227 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5228 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
5230 2001-03-03 David O'Brien <obrien@FreeBSD.org>
5232 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5233 * c-parse.gperf, c-gperf.h: Delete.
5234 (c-gperf.h was accidently re-added to the CVS repo in the rev
5235 1.16 commit by tromey)
5237 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5239 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5240 macro arguments when looking for the '('.
5241 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5242 2 when really parsing arguments; 1 when looking for '('.
5243 Always restore the lexer position.
5245 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5247 * longlong.h (umul_ppmm): Don't use a multiline string.
5249 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5251 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5252 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5253 t_bool in declaration because pcc can't combine volatile with typedef
5256 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
5258 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
5259 until when it is really needed.
5260 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
5261 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
5262 * i386.md (float?i?f splitter): Don't force source operand to memory
5264 (sse_movdfcc): Fix constraint.
5265 (sse_movdfcc splitter): Handle properly the second alternative.
5267 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5269 * cpplex.c (parse_string): Unconditionally pedwarn.
5271 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5274 * cppexp.c (parse_number): Update.
5275 * cpplex.c (parse_string): Pedwarn if multiline string does not
5276 result from a system header's macro.
5277 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5278 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5279 for function-like macros too.
5280 * c-lex.c (lex_number): Update.
5282 2001-03-03 Richard Henderson <rth@redhat.com>
5284 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5286 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5288 * combine.c (try_combine): If split with mode-changed scratch
5289 register didn't work, try the original mode.
5291 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5293 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5294 * config/c4x/c4x.h: Likewise.
5295 * stor-layout.c (compute_record_mode): Likewise.
5296 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5298 2001-03-02 Zack Weinberg <zackw@stanford.edu>
5300 * configure.in: Kill tm.h. Include the files in the $tm_file
5301 list in all three of config.h, hconfig.h, tconfig.h, after the
5302 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5303 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5304 * configure: Regenerate.
5305 * Makefile.in (clean): Don't delete tm.h.
5307 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5308 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5309 those are not defined, set SEC and FEC to 0 and 1.
5310 * gcc.texi: Update to match.
5312 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5313 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5314 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5315 Include tconfig.h, not tm.h.
5317 * config/xm-lynx.h, config/xm-std32.h,
5318 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5319 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5320 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5321 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5322 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5323 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5324 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5325 config/i386/xm-i386.h, config/i860/xm-i860.h,
5326 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5327 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5328 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5329 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5330 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5331 config/pa/xm-linux.h, config/pa/xm-pa.h,
5332 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5333 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5334 config/pj/xm-pj.h, config/romp/xm-romp.h,
5335 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5336 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5337 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5338 config/v850/xm-v850.h, config/vax/xm-vax.h,
5339 config/we32k/xm-we32k.h:
5341 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5343 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5344 config/i370/xm-oe.h: Don't include tm.h. Don't define
5346 * config/vax/xm-vms.h: Don't include tm.h.
5348 * config/xm-lynx.h, config/avr/xm-avr.h,
5349 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5350 Delete; made empty by above changes.
5351 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5352 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5353 Don't include config/xm-lynx.h or tm.h.
5355 * config/xm-gnu.h: Don't include fcntl.h.
5356 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5358 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5360 2001-03-02 Richard Henderson <rth@redhat.com>
5362 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5363 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5365 2001-03-02 Richard Henderson <rth@redhat.com>
5367 * Makefile.in (OBJS): Add dwarf2asm.o.
5368 * dwarf2asm.c, dwarf2asm.h: New files.
5369 * dwarf2out.c (*): Use them.
5370 (size_of_uleb128, size_of_sleb128): Remove.
5371 (output_uleb128, output_sleb128): Remove.
5372 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5373 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5374 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5375 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5376 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5377 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5378 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5379 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5380 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5381 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5382 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5383 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5384 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5385 (dwarf2out_frame_debug): Remove unused variables.
5386 (output_loc_operands): Don't abort on 8 byte constants if
5387 host integers are wide enough.
5388 (output_symbolic_ref): Remove.
5389 (size_of_die): Don't assume 4 byte host integers.
5390 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5392 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5393 something stupid with HOST_WIDE_INT to long truncation.
5394 [CONST_DOUBLE]: Likewise.
5396 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5397 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5398 * config/arm/unknown-elf.h: Likewise.
5399 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5400 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5401 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5402 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5403 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5404 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5405 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5406 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5407 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5408 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5409 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5410 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5412 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5414 * cselib.c (hash_rtx): Cast enums to unsigned int.
5416 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5418 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5419 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5421 * c-format.c (C_STD_VER): Cast to int for comparisons.
5422 (check_function_format): Cast various enums to int for &.
5423 (maybe_read_dollar_number): Likewise.
5424 (check_format_info): Likewise.
5425 (check_format_info_main): Likewise.
5426 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5427 (safe_from_p): Likewise.
5428 * varasm.c (const_hash): Cast enum to int for %.
5429 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5430 pcc enum problems with < and ++ operators.
5431 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5432 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5433 (regclass_init): Change enum class to int to iterate over reg_classes.
5434 * genrecog.c (merge_trees): Cast enums for comparison.
5435 * rtl.h (GET_CODE): Cast to enum rtx_code.
5436 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5437 (GET_MODE): Cast to enum machine_mode.
5438 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5439 (GET_NOTE_INSN_NAME): Cast enum to int.
5440 * tree.h (TREE_CODE): Cast to enum tree_code.
5441 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5442 * timevar.c (timevar_print): Change loop variable id from enum to
5444 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5445 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5446 * toplev.c (compile_file): Cast enum DFI to int.
5447 (decode_d_option): Likewise.
5449 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5451 * cppinit.c (append_include_chain): Mark "after" include file name list
5452 as a system directory.
5453 * cpp.texi: Document new behavior.
5455 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5457 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5459 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5461 * cppfiles.c (struct include_file): Update.
5462 (stack_include_file): Use search_from.
5463 (cpp_included, find_include_file): Update.
5464 (cpp_execute_include): Update. ptr->name may not be
5465 null terminated. Use the new search_from member variable
5467 (_cpp_compare_file_date): Similarly.
5468 (search_from): New function, similiar to actual_directory.
5469 (actual_directory): Delete.
5470 (remap_filename): Update. loc->name may not be null terminated.
5471 (struct file_name_list): Rename search_path. Update.
5472 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5473 search_from and dir.
5474 (struct cpp_reader): Remove actual_dirs.
5475 * cppinit.c (struct cpp_pending): Update for renamed objects.
5476 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5477 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5478 * cpplib.h (struct cpp_options): Similarly.
5480 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5482 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5483 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5484 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5485 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5486 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5487 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5488 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5489 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5490 config/i370/xm-oe.h, config/i386/xm-aix.h,
5491 config/i386/xm-i386.h, config/i386/xm-osf.h,
5492 config/i860/xm-i860.h, config/i960/xm-i960.h,
5493 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5494 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5495 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5496 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5497 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5498 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5499 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5500 config/pj/xm-pj.h, config/romp/xm-romp.h,
5501 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5502 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5503 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5504 config/v850/xm-v850.h, config/vax/xm-vax.h,
5505 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5506 Do not define TRUE or FALSE.
5508 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5509 empty by above change.
5510 * config.gcc: Remove references to these files.
5512 * configure.in: Detect stdbool.h.
5513 * configure, config.in: Regenerate.
5514 * system.h: Include stddef.h here if available.
5515 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5516 Then set up a sensible boolean type at the very end.
5518 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5519 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5521 * hash.h: Delete 'boolean' typedef and related #undefs.
5523 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5524 all uses of 'boolean' with 'bool'.
5526 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5528 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5529 * cppexp.c (lex): Cast enums for comparison.
5530 * cppinit.c (parse_option): Cast enum for comparison.
5531 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5532 (cpp_output_token): Likewise.
5533 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5534 (cpp_avoid_paste): Cast enums for minus and comparison.
5536 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5538 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5539 field to all array elements.
5541 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5543 * cpphash.h (struct cpp_reader): Add print_version field.
5544 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5545 just set print_version and other flags as appropriate.
5546 (cpp_post_options): Print version here if print_version is set.
5548 * toplev.c (exit_after_options): New flag.
5549 (independent_decode_option): Don't exit here; just set
5551 (main): Exit after calling lang_hooks.post_options if
5552 exit_after_options is true.
5554 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5555 (merge_include_chains): Adjust comment to match code.
5557 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5559 * stringpool.c (set_identifier): New function.
5560 * tree.h: Prototype it.
5562 * c-parse.in: Kill D_YES. If compiled for objc, call
5563 save_and_forget_protocol_qualifiers from init_reswords.
5564 * objc/objc-act.c (remember_protocol_qualifiers,
5565 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5566 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5568 (save_and_forget_protocol_qualifiers): New function.
5569 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5571 2001-03-01 Diego Novillo <dnovillo@redhat.com>
5573 * c-semantics.c (prune_unused_decls): Return error_mark_node
5574 instead of (tree) 1 to stop traversing the tree chain.
5576 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5578 Fix a problem introduced by Kenner's Feb 18 change.
5579 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5580 flag_cse_skip_blocks only temporarily, not for ever.
5582 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5584 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5585 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5587 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5588 before determining its register class.
5590 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5592 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5593 from reg 4 if current_function_calls_setjmp.
5594 (gen_nop_type): New function.
5595 (ia64_emit_nops): New function.
5596 (ia64_reorg): Call it.
5597 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5599 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5600 code not to try to optimize adds with anything but a REG destination.
5602 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5603 (INSN_PRIORITY_KNOWN): New accessor macro.
5604 * haifa-sched.c (priority): Use it instead of testing priority against
5607 2001-02-28 DJ Delorie <dj@redhat.com>
5609 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5610 since that doesn't work the way gcc wants on a generic m68k.
5612 2001-02-28 Richard Henderson <rth@redhat.com>
5614 * caller-save.c (save_call_clobbered_regs): Fix typo in
5615 comparison last change.
5617 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5619 * i386.c (pentium4_cost): New.
5620 (m_PENT4): New macro.
5621 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5622 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5623 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5624 x86_memory_mismatch_stall): Add Pentium4
5625 (x86_use_q_reg, x86_use_any_reg): Kill.
5626 (override_options): Add pentium4.
5627 (incdec_operand): Return 0 for pentium4.
5628 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5629 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5630 (TARGET_PENTIUM4): Define.
5631 (enum processor_type): Add PROCESSOR_PENTIUM4.
5632 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5633 * i386.md (attribute "cpu"): Add pentium4.
5634 * invoke.texi (march): Add pentium4.
5636 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5638 * i386.md (sse_mov?fcc*): New patterns and splitters.
5639 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5640 the SSE based conditional moves.
5642 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5644 * i386.md (attribute mode): Add "TI".
5645 (movsf_1): Add pxor support; remove constant propagation splitter.
5646 (movdf_integer): Likewise.
5647 (movdf_nointeger): Likewise.
5648 (movxf constant prop splitter): Handle all modes; update for SSE.
5649 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5650 * i386.c (standard_80387_constant_p): Rewrite.
5651 (standard_sse_constant_p): New.
5652 * i386-protos.h (standard_sse_constant_p): New.
5654 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5656 * i386.md (sse_setccsf, sse_setccdf): New.
5657 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5659 * i386.c (sse_comparison_operator): Accept the supported unordered
5660 comparses; be ready for fast_math.
5661 (print_operand): Support 'D'.
5663 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5665 * jump.c (reversed_comparison_code): Kill.
5667 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5669 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5672 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5674 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5675 add missing '%' in constraints.
5677 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5679 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5680 for HOST_BITS_PER_WIDE_INT == 32 too.
5682 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5684 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5686 (insert_save, insert_restore): New parameter save_mode.
5687 (init_caller_save): Update initialization of reg_save_code
5688 and reg_restore_code.
5689 (save_call_clobbered_regs): Compute save_modes and update calls to
5690 reg_save_code and reg_restore_code.
5691 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5692 of spill; update use of reg_restore_code.
5693 (insert_save): Likewise.
5694 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5695 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5696 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5698 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5700 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5701 noce_try_store_flag_inc, noce_try_store_flag_mask,
5702 noce_try_cmove_arith):
5703 Use reversed_comparison_code instead of reverse_comparison and
5704 can_reverse_comparison_p.
5706 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5708 * jump.c (reversed_comparison_code_parts): Allow reversal of
5709 unordered compares in -ffast-math mode; reverse ordered compares
5710 for FP even w/o -ffast-math.
5712 2001-02-27 Richard Henderson <rth@redhat.com>
5714 * print-rtl.c (print_rtx) [i]: Don't print field five on
5715 NOTEs other than NOTE_INSN_DELETED_LABEL.
5717 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5719 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5720 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5722 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5724 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5725 even if walk_subtrees is 0.
5726 * c-semantics.c (prune_unused_decls): Return a non-null value to
5727 stop traversing the tree chain.
5729 2001-02-27 DJ Delorie <dj@redhat.com>
5731 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5732 register, *then* define it as the new CFA.
5734 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5736 * pa.c (override_options): Promote -fpic to -fPIC.
5737 (legitimize_pic_address): Simplify due to removal of
5738 small PIC as a code generation option.
5739 (secondary_reload_class): Similarly.
5740 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5741 (PRINT_OPERAND_ADDRESS): Similarly.
5742 * pa.md (various patterns): Similarly.
5743 (small pic lo_sum pattern): Remove.
5745 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5748 * md.texi (min, max): Document
5750 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5752 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5753 TARGET_PARTIAL_REG_DEPENDENCY.
5754 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5756 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5758 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5760 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5762 * mips.c (mips_make_temp_file): Fix thinko in last change.
5764 2001-02-26 Jason Eckhardt <jle@redhat.com>
5766 * combine.c (known_cond): Do not reverse the condition when
5767 SMAX/UMAX is being considered and the condition is for equality
5770 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5772 2001-02-26 Philip Blundell <philb@gnu.org>
5774 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5776 * config/arm/linux-elf.h: Remove historical relics related to
5777 above configurations.
5778 * config/arm/linux-oldld.h: Delete.
5779 * config/arm/linux-elf26.h: Delete.
5781 2001-02-26 Jason Merrill <jason@redhat.com>
5783 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5785 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5786 recognize a tentative definition. Lose obsolete code.
5788 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5789 variables unless necessary, either.
5791 2001-02-25 Richard Henderson <rth@redhat.com>
5793 * ifcvt.c (struct noce_if_info): Add test_bb.
5794 (noce_get_alt_condition): New.
5795 (noce_try_minmax, noce_try_abs): New.
5796 (noce_operand_ok): New.
5797 (noce_process_if_block): Use them.
5798 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5800 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5802 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5805 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5807 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5808 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5810 (mips_asm_file_end): Free temp_filename here.
5812 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5814 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5815 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5817 * config/i386/i386.md (movstrsi): Handle FAIL case.
5819 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5821 * cppinit.c (builtin_array): Update.
5822 (init_builtins): Flag builtins to warn if redefined or
5823 undefined. Define __GXX_WEAK as a normal macro.
5824 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5825 * cpplib.h (NODE_WARN): New flag.
5826 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5827 Handle __STDC__ as a builtin only on Solaris.
5828 (warn_of_redefinition): Renamed from check_macro_definition.
5829 Reverse sense of test. Always warn if NODE_WARN.
5830 (_cpp_create_definition): Use warn_of_redefinition. Flag
5831 any macro beginning with "__STDC_" to require a mandatory
5832 warning if redefined or undefined.
5834 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5836 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5837 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5838 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5839 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5840 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5841 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5842 Don't define any of:
5843 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5844 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5845 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5846 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5847 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5849 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5850 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5853 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5854 Delete now-empty file.
5856 * alpha/vms.h: Define NEED_ATEXIT here...
5857 * alpha/xm-vms.h: ...not here.
5859 * i386/cygwin.h: Don't define PARAMS.
5860 * mips/mips.c: Don't prototype mktemp. Don't define
5861 P_tmpdir. Use make_temp_file to create temporary files.
5862 Don't be clever and delete temporary files early.
5863 * config.gcc: Drop references to deleted files. Don't define
5865 * gcc.texi: Don't mention USE_PROTOTYPES.
5867 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5869 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5870 (ix86_set_move_mem_attrs_1): Likewise.
5871 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5872 * config/i386/i386.md (movstrsi): Call it.
5874 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5876 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5877 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5878 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5879 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5881 (i750a-*-*): Error here if hosting on i750a.
5882 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5884 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5885 Remove (empty modulo comments).
5887 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5888 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5889 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5890 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5891 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5892 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5894 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5895 Remove reference to winnt.h in comment.
5896 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5898 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5900 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5901 used to set another biv.
5903 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5905 * tree.h (BLOCK_DEAD): New macro.
5906 (struct tree_block): New flag, dead_flag.
5907 * print-tree.c (print_node, case 'b'): Print missing fields.
5908 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5909 * function.c (identify_blocks): Enable test for misplaced notes.
5910 (all_blocks): Skip BLOCK_DEAD blocks.
5911 * integrate.c (integrate_decl_tree): Likewise.
5913 * errors.c (internal_error, trim_filename): New functions.
5914 (fancy_abort): Call internal_error.
5915 * errors.h (internal_error, trim_filename): New declarations.
5917 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5919 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5921 (EXTRA_CONSTRAINT): Formatting changes.
5923 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5925 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5927 2001-02-23 Per Bothner <per@bothner.com>
5929 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5930 so they can be called from java/jvspec.c.
5931 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5933 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5935 * i386.c (ix86_frame): New structure.
5936 (ix86_compute_frame_size): Kill.
5937 (ix86_compute_frame_layout): New.
5938 (ix86_save_reg): New.
5939 (ix86_can_use_return_insn_p): Use frame layout stuff.
5940 (ix86_expand_prologue): Likewise.
5941 (ix86_expand_epilogue): Likewise.
5942 (ix86_initial_elimination_offset): Likewise.
5943 (ix86_nsaved_regs): Use ix86_save_reg.
5944 (ix86_emit_save_regs): Likewise.
5946 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5948 * flow.c (find_sub_basic_blocks): New function.
5949 (split_block): Be ready for basic block introduced by CODE_LABEL.
5950 (commit_one_edge_insertion): Call find_sub_basic_block.
5952 * flow.c (make_edges): Add edge from entry for blocks starting with
5953 label having ALTERNATE_NAME
5955 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5957 * function.c (epilogue_done): Be ready for first basic block not
5958 containing PROLOGUE_END note.
5959 (reposition_prologue_and_epilogue_notes): Avoid placing
5960 PROLOGUE_END note between BASIC_BLOCK.
5962 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5964 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5966 2001-02-21 DJ Delorie <dj@redhat.com>
5968 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5969 check for current_function_has_nonlocal_goto from 1999-11-12.
5971 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5973 * diagnostic.c (trim_filename): No longer static.
5974 * toplev.h (trim_filename): Declare.
5975 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5976 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5977 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5978 (rtvec_check_failed_bounds): Likewise.
5979 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5981 * convert.c (convert_to_integer): Don't do unsigned unless result or
5982 both inputs are unsigned.
5984 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5987 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5989 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5991 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5993 * Makefile.in (resource.o): Add params.h dependence.
5994 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5995 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5996 * resource.c: Add dependence on params.h.
5997 (current_live_regs): Fix explanatory comment.
5998 (find_basic_block): Add new parameter to permit limiting search
6000 (mark_target_live_regs): Add new argument to find_basic_block call.
6001 (incr_ticks_for_insn): Likewise.
6003 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6005 * diagnostic.c (output_to_stream): Rename to
6006 output_buffer_to_stream. Loses the stream parameter.
6007 (init_output_buffer): Set diagnosic_buffer's stream.
6008 (flush_diagnostic_buffer): Adjust.
6009 (default_print_error_function): Likewise.
6010 (finish_diagnostic): Likewise.
6011 (verbatim): Likewise.
6013 * diagnostic.h (struct output_buffer): Add `stream' field.
6014 (output_buffer_attached_stream): New macro.
6016 2001-02-23 Jakub Jelinek <jakub@redhat.com>
6018 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
6019 check if either operand is divisible by C.
6020 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
6021 If type is signed, consider negative numbers as well.
6023 2001-02-22 Richard Henderson <rth@redhat.com>
6025 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
6026 reach .text instead of gp-relative relocs.
6027 * config/ia64/crtend.asm (.init): Likewise.
6029 2001-02-22 Andreas Jaeger <aj@suse.de>
6031 * extend.texi (C++ Attributes): Fix typo.
6033 2001-02-21 David Mosberger <davidm@hpl.hp.com>
6035 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
6036 functions, drop current_function_args_info.words test.
6037 (ia64_compute_frame_size): Mark syscall_linkage functions as
6038 using eight input registers.
6040 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
6041 Bruce Korb <bkorb@gnu.org>
6043 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
6044 * fixinc/README: Document how to convert sed substitutions
6045 to format style c_fix-es.
6046 * fixinc/fixincl.x: regen
6048 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
6050 * gcc.c: Add comment explaining how to add a command-line option.
6051 Add title to specs language comment.
6053 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6055 * gcc.c (cc1_options): Add "-param".
6056 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
6057 (option_map): Likewise.
6058 * toplev.c (display_help): Add entry for "--param".
6059 (independent_decode_option): Fix typographical error.
6061 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
6062 Bernd Schmidt <bernds@redhat.com>
6063 Jan Hubicka <jh@suse.cz>
6065 * i386.c (function_arg_advance): Pass SSE arguments in registers.
6066 (function_arg): Likewise.
6068 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
6070 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
6072 2001-02-21 Kazu Hirata <kazu@hxi.com>
6074 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
6078 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
6080 * flow.c (init_propagate_block_info): Canon address and use single_set
6081 for killing dead memory stores.
6083 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6085 * Makefile.in (reorg.o): Add params.h dependence.
6086 * params.def: Fix typographical error in comment.
6087 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6088 * params.h: Modify introductory comment.
6089 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6090 * reorg.c: Add dependence on params.h.
6091 (redundant_insn): Add parameterized throttle for search.
6092 (fill_simple_delay_slots): Add a comment explaining a variable.
6093 Move conditional out of loop, simplifying code.
6094 (fill_eager_delay_slots): Fix typographical error in comment.
6096 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
6098 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
6100 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
6101 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
6103 2001-02-21 Jason Merrill <jason@redhat.com>
6105 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
6106 (struct tree_decl): Add uninlinable bitfield.
6107 * c-decl.c (duplicate_decls): Set it.
6108 * integrate.c (function_cannot_inline_p): Check it.
6110 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
6111 DW_AT_MIPS_linkage_name to abstract methods.
6112 (dwarf2out_abstract_function): Emit class context before calling
6113 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
6114 (gen_subprogram_die): Remove obsolete code.
6115 (gen_member_die): Don't include clones in the member list.
6116 (gen_decl_die): Emit abstract info for clone origin.
6117 * dwarfout.c (output_type): Don't include clones in the member list.
6118 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
6119 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
6120 DECL_ABSTRACT on a function that already has it set.
6122 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
6123 (get_subprogram_die): Pass it in.
6125 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
6127 * flow.c (mark_set_1): Make not_dead unsigned long. For
6128 non-pseudos, use it as a bitmask of the hard regs that
6131 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
6133 * cppfiles.c: Update comments.
6134 (_cpp_read_file): Don't check for NULL filenames any more.
6135 * cppinit.c (cpp_start_read): Don't do canonicalization of
6136 in_fname and out_fname. Use the passed file name exclusively.
6137 (_cpp_handle_options): Don't treat "-" as a command line option,
6138 but as a normal filename.
6139 (_cpp_post_options): Canonicalize in_fname and out_fname.
6140 * cppmain.c (printer_init): Don't check out_fname for NULL.
6141 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
6142 (init_c_lex): Update, and use "" to represent stdin to CPP.
6145 2001-02-20 Will Cohen <wcohen@redhat.com>
6147 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
6148 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
6149 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
6152 2001-02-20 Stan Shebs <shebs@apple.com>
6154 * config/rs6000/rs6000.c (output_cbranch): Output branches
6155 on separate lines instead of using ';' to separate.
6157 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
6159 * cppinit.c (set_lang): Move builtin handling to...
6160 (init_builtins): ...here.
6161 (_cpp_create_reader): Move call to set_lang.
6163 2001-02-20 Mark Mitchell <mark@codesourcery.com>
6165 * stmt.c (expand_return): If an attempt is made to return the
6166 error_mar_node, treat the return like a return without a value.
6168 2001-02-19 Zack Weinberg <zackw@stanford.edu>
6170 * sibcall.c (skip_copy_to_return_value): Call
6171 identify_call_return_value here, and return orig_insn if it
6172 returns zero. Hardret and softret arguments now unnecessary.
6173 (call_ends_block_p): Don't call identify_call_return_value here.
6175 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
6177 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
6178 * ggc.h (ggc_mark_if_gcable): Delete prototype.
6180 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
6182 * pa.c (move_operand): Accept code to load the address of a
6183 symbol out of the DLT as a valid move operand.
6184 (print_operand, case 'A'): New to handle generating a DLT
6185 reference for a LO_SUM expression.
6186 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
6187 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
6189 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
6191 * README, cpp.texi, gcc.texi, version.c: Update version number to
6193 * cpp.1, gcov.1, gcc.1: Regenerate.
6195 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
6197 * cppfiles.c (stack_include_file): Generate dependencies
6198 here, and manage include_count here too.
6199 (PRINT_THIS_DEP): Delete.
6200 (_cpp_execute_include): Do not generate dependencies here,
6201 apart from the case of a missing header. Do not manage
6203 (_cpp_read_file): Leave dependency generation to
6206 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
6208 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
6209 target_cpu_default. Remove dead assignment to
6212 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
6214 * regclass.c (contains_reg_of_mode): Make global.
6215 (init_reg_sets): Remove contains_reg_of_mode; take into account
6216 CLASS_MAX_NREGS when looking for the proper mode.
6217 (dump_regclass): Dump only classes considered for the pseudo.
6218 (regclass): Use contains_reg_of_mode.
6220 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
6222 * gcc.c (do_spec_1): 'n' for printing notices.
6223 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
6225 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
6227 * reg-stack.c (next_flags_user): Use current_block->end
6228 (swap_rtx_condition): Look for next user if flags don't die;
6229 give up on CALL_INSNs; use current_block->end.
6231 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6233 * sibcall.c (call_ends_block_p): New function.
6234 (optimize_sibling_and_tail_recursive_call): Use it.
6236 2001-02-18 Kazu Hirata <kazu@hxi.com>
6238 * config/h8300/h8300.md: Update copyright.
6239 (andsi3): Do not output an extra newline character.
6241 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6243 * toplev.c (note_deferral_of_defined_inlined_function): Argument
6244 FNDECL may be unused.
6246 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
6247 follow jumps after first run.
6248 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
6249 it doesn't change any jumps.
6251 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
6253 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
6254 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
6255 (mostlyclean): Corresponding changes.
6256 * rtlanal.c (hard-reg-set.h): Include.
6257 (rtx_unstable_p): Do not treat the argument pointer specially
6258 if it is not a fixed register.
6259 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
6261 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6263 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
6264 against last real insn in basic block.
6265 Rework to avoid gotos.
6267 * Makefile.in (gcse.o): Now includes ggc.h.
6268 * gcse.c: Include ggc.h.
6269 (want_to_gcse_p): Verify expression can be in SET as valid insn.
6270 (try_replace_reg): Remove warning of uninitialize variable.
6271 (process_insert_insn): Call invalid_insn_p to validate insn.
6272 * recog.c (insn_invalid_p): Now global.
6273 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
6274 * recog.h (insn_invalid_p): New declaration.
6276 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6278 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
6279 assignments from FP constants since 'Y' output code can't handle it.
6280 (eligible_for_sibcall_delay): Likewise.
6282 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6283 Call fancy_abort directly, passing args.
6284 (print_rtl_and_abort): Now a macro, like fancy_abort.
6286 * final.c (output_operand_lossage): Use internal_error, not error.
6288 2001-02-18 Shane Nay <shane@agendacomputing.com>
6290 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
6291 structure shift insns.
6293 2001-02-18 Mark Mitchell <mark@codesourcery.com>
6295 * invoke.texi (-fsquangle): Remove documentation.
6296 (-fname-mangling-version): Likewise.
6298 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
6300 * optabs.c (expand_abs): Remove reference to
6301 HAVE_contitional_arithmetic.
6302 * combine.c (simplify_set): Likewise.
6304 2001-02-18 Richard Henderson <rth@redhat.com>
6306 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6309 2001-02-18 Richard Henderson <rth@redhat.com>
6311 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6313 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6315 * reload1.c (reload_cse_simplify_set): Fix typo.
6317 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6319 * diagnostic.c (_fatal_insn): Decrement errorcount.
6321 * invoke.texi (-I): Add note avoiding use for system header files.
6323 * rtl.h (add_clobbers): Remove duplicate declaration.
6324 * recog.h (added_clobbers_hard_reg_p): New declaration.
6325 * genemit.c (struct clobber_pat): New field has_hard_reg.
6326 (gen_insn): Record if added clobbers clobber hard reg.
6327 (gen_split): Avoid unused warning if number of operands is 0.
6328 (output_added_clobbers_hard_reg_p): New function.
6331 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6333 * pa.c (hppa_expand_prologue): Simplify code storing return
6334 pointer. For large (>=8k) frames with a post_store, adjust stack
6335 pointer by 8k-64 first rather than by 64. When testing with
6336 VAL_14_BITS_P, always use the actual value rather than the value
6337 negated. Add blockage to prevent scheduling of spills before
6338 stack frame has been created.
6339 (hppa_expand_epilogue): Simplify code loading return pointer.
6340 Allow a slightly larger range for merge_sp_adjust_with_load case.
6341 When testing with VAL_14_BITS_P, always use the actual value.
6343 * pa.c (pa_adjust_insn_length): Check that block move
6344 pattern is a set before looking at operands.
6346 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6348 * fold-const.c (fold_binary_op_with_conditional_arg): New
6349 function, split out from ...
6351 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6352 conditional arms that throw exceptions.
6354 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6357 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6359 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6360 define HAVE_DECL_* to 1 to mask potential backup declarations.
6361 * configure: Regenerated.
6363 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6365 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6367 2001-02-17 Richard Henderson <rth@redhat.com>
6369 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6370 when replacing a memory load with a register.
6372 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6373 Jan Hubicka <jh@suse.cz>
6375 * recog.c (validate_replace_src_1): New.
6376 (validate_replace_src_data): Likewise.
6377 (validate_replace_src): Use note_uses.
6378 * rtl.h (note_uses): Declare.
6379 * rtlanal.c (note_uses): New.
6381 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6383 * reg-stack.c (stack_def): Make field reg unsigned.
6384 (remove_regno_note): Unsignetize parameter.
6386 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6388 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6389 shladd_operand() call.
6391 2001-02-16 Bruce Korb <bkorb@gnu.org>
6392 Rodney Brown <RodneyBrown@mynd.com>
6394 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6395 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6396 machine restrictions
6397 * fixinc/fixincl.x: regen
6399 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6401 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6403 (hash_scan_insn): Clean up calls to hash_scan_set.
6404 (compute_kill_rd): REGNO now unsigned.
6405 (try_replace_reg): Rework to use simplify_replace_rtx.
6406 (cprop_jump, cprop_cc0_jump): Likewise.
6407 (cprop_insn): Call find_reg_equal_equiv_note.
6408 Reflect changes to cprop_jump and cprop_cc0_jump.
6410 * recog.c (validate_replace_src): Replace in operands of
6411 ZERO_EXTRACT in SET_DEST.
6413 * cse.c (new_label_ref): New variable.
6414 (insert): Set it instead of recorded_label_ref.
6415 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6416 CODE_LABEL for this function, and not already in REG_LABEL note.
6418 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6420 * resource.c (mark_referenced_resources): Fix typo in introductory
6422 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6425 2001-02-16 Jason Merrill <jason@redhat.com>
6427 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6429 (gen_subprogram_die): Don't abort on seeing a second definition if
6430 the previous one was abstract. Don't replace an abstract instance
6431 in the lookup table.
6433 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6434 gen_abstract_function.
6435 * dwarf2out.h: Declare it.
6436 * toplev.c (note_outlining_of_inline_function): New fn.
6437 * toplev.h: Declare it.
6438 * integrate.c (output_inline_function): Call it.
6439 * c-decl.c (duplicate_decls): Call it when redefining an extern
6440 inline. Don't inline the new defn.
6442 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6444 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6446 * .gdbinit: Rename to gdbinit.in.
6447 * gdbinit.in: New file,
6448 * configure.in: Generate .gdbinit from gdbinit.in.
6449 * configure: Regenerated.
6450 * Makefile.in (distclean): Always remove .gdbinit.
6452 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6454 * objc/objc-act.c (start_class): Register implemented_classes with
6457 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6459 * cppfiles.c (_cpp_make_system_header): Generate a file
6462 2001-02-15 Jim Meyering <meyering@lucent.com>
6464 * Makefile.in (install-common): Don't depend on installdirs here.
6465 Instead, make each of the lang.install-common targets (e.g.,
6466 c++.install-common in cp/Make-lang.in) depend on it.
6467 (install-driver): Depend on installdirs.
6469 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6471 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6473 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6476 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6478 * invoke.texi (--param): Document.
6480 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6482 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6484 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6486 * i386.md (extendsfdf2_2): Fix constraints.
6488 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6490 * i386.md (fop_df_3 splitter): Fix operand number.
6492 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6494 * invoke.texi (-mreg-alloc): Nuke.
6495 * i386.c (ix86_reg_alloc_order, regs_allocated,
6496 order_regs_for_local_alloc): Nuke.
6497 (override_options): Kill reg_alloc code.
6498 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6499 (REG_ALLOC_ORDER): SSE goes before I387.
6500 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6501 (ix86_reg_alloc_order): Likewise.
6502 * i386-protos.h (ix86_reg_alloc_order): Kill.
6504 2001-02-14 Richard Henderson <rth@redhat.com>
6506 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6508 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6510 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6512 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6514 * i386-protos.h (ix86_memory_move_cost): Move offline.
6515 * i386.c (ix86_register_move_cost): Compute properly cost of
6516 SSE, MMX and i387 instructions.
6517 (*_cost): Add costs of SSE/MMX moves.
6518 (ix86_memory_move_cost): Move offline from ....; Likewise.
6519 * i386.h (MEMORY_MOVE_COST): .... here;
6520 (struct processor costs): Add new fields to represent costs
6523 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6525 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6526 move_cost together with Matt Kraai's fix.
6528 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6530 * Makefile.in (OBJS): Add params.o.
6532 2001-02-14 Richard Henderson <rth@redhat.com>
6533 DJ Delorie <dj@redhat.com>
6535 * jump.c (jump_optimize_1): When we delete a conditional jump
6536 preceeding a non-conditional jump to effectively the same place,
6537 make sure that the combined jump skips any clobber insns between
6540 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6542 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6544 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6546 * Makefile.in (toplev.o): Depend on params.h.
6547 (intergate.o): Likewise.
6548 (params.o): New target.
6549 * flags.h (inline_max_insns): Remove.
6550 * integrate.c: Include params.h.
6551 Use MAX_INLINE_INSNS instead of inline_max_insns.
6552 * params.c: New file.
6553 * params.h: Likewise.
6554 * params.def: Likewise.
6555 * toplev.c: Include params.h.
6556 (lang_independent_params): New variable.
6557 (decode_f_option): Use the param machinery instead of setting
6559 (independent_decode_option): Handle "--param name=value".
6560 (main): Register language-independent parameters.
6562 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6564 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6566 2001-02-14 Richard Henderson <rth@redhat.com>
6568 * regclass.c (init_reg_sets_1): Revert last two changes.
6570 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6572 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6573 (variable_size): Call put_pending_size.
6574 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6575 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6576 sizes list, put newly created SAVE_EXPR there as well.
6578 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6580 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6581 (errata_find_address_regs): load_group has only 2 entries.
6582 (errata_emit_nops): Likewise. shladd is not problematic.
6583 Clear last_group if nop was emitted.
6584 (fixup_errata): load_group has only 2 entries.
6587 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6589 * c-lex.c (lex_number): Only warn traditionally for U suffix
6590 outside system macros.
6591 * cppexp.c (parse_number): Similarly.
6592 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6593 * cppmacro.c (struct cpp_macro): New member node.
6594 (parse_args): Only warn about missing rest args if not
6596 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6597 (cpp_sys_objmacro_p): New.
6598 (_cpp_create_definition): Store the node with the macro defn.
6599 Remember if the macro is defined in a system header.
6601 2001-02-13 DJ Delorie <dj@redhat.com>
6603 * configure.in (check_languages): determine languages to check
6604 * Makefile.in (check-c++): alias for check-g++
6605 (check-f77): alias for check-g77
6606 (CHECK_TARGETS): depend on configured languages
6608 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6610 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6611 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6612 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6613 (sqrtextendsfdf2): Disable for SSE2.
6615 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6617 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6618 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6619 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6620 (sqrtextendsfdf2): Disable for SSE2.
6622 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6624 * i386.md (movsfcc_1): Support integer cmove instruction.
6625 (movdfcc_1): Likewise; new splitter.
6627 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6629 * i386.c (output_fp_compare): Support SSE.
6630 (prepare_fp_compare_args): SSE comparisons always support memory.
6631 * i386.h (TARGET_CMOVE): SSE imply cmove.
6632 * i386.md (cmp?f2): Enable for SSE too.
6633 (cmpfp_i*): Support SSE.
6635 (cmpfp_i_sse_only): New.
6636 (s*, b* fp expanters): Enable for SSE too.
6637 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6640 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6642 * regclass.c (init_reg_sets_1): Silence warning.
6644 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6646 * i386.md (sqrt?f2): Change to expander.
6647 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6649 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6651 * rtlanal.c (find_reg_equal_equiv_note): New function.
6652 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6653 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6654 * rtl.h: Add declarations for above functions.
6656 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6658 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6660 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6661 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6662 * flow.c (mark_regs_live_at_end): Likewise.
6663 (calculate_global_regs_live): Likewise.
6664 * gcse.c (compute_hash_table): Likewise.
6665 (compute_kill_rd): Likewise.
6666 * resource.c (mark_target_live_regs): Likewise.
6667 * rtl.h (INVALID_REGNUM): New macro.
6669 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6671 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6673 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6675 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6678 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6680 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6682 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6683 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6684 (fop_sf_1_sse, fop_df_1_sse): New patterns
6685 (fop_*): Disable float_extend and float patterns for SSE compilation.
6686 * i386.c (output_387_binary_op): Support SSE.
6688 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6690 * i386.md (dummy_extendsfdf2): Support SSE2
6691 (extendsfdf2): Enable if 80387 or SSE2.
6692 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6693 and no MIX_I387_SSE2
6694 (extendsfdf2_1_sse_only): New pattern.
6695 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6697 (truncdfsf2_1): Support SSE.
6698 (truncdfsf2_2): Support SSE.
6699 (truncdfsf2_2_1_sse): New pattern.
6700 (fixtruncsfsi2): Always use SSE if available.
6701 (fix_truncsfsi_sse): New pattern.
6702 (fix_truncdfsi_sse): New pattern.
6703 (floatsis?f2): Support SSE.
6704 (floatsidf2_i387): New pattern.
6705 (floatsidf2_sse): Likewise.
6707 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6709 * configure.in: Use "have_gnat" variable, not "gnat".
6710 * configure: Regenerated.
6712 * config/sparc/sparc.c (function_value): Treat all non-record
6713 aggregate types like used to treat UNION_TYPE.
6715 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6717 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6718 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6720 (MASK_MIX_SSE_I387): New.
6721 (TARGET_SSE): SSE2 imply SSE.
6722 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6723 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6724 (enum reg_class): Add new classes.
6725 (REG_CLASS_NAMES): Likewise.
6726 (REG_CLASS_CONTENTS): Likewise.
6727 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6728 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6729 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6730 (CLASS_MAX_NREGS): Use new macros.
6731 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6732 * i386.md (pushsf, movsf): Support SSE.
6733 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6734 splitters to use ANY_FP_REGNO_P.
6735 (movdf_nointeger, movdf_integer): Likewise.
6737 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6739 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6740 (try_combine): Use it.
6742 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6744 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6745 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6746 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6747 (REGISTER_MOVE_COST): Likewise.
6748 * i386-protos.h (ix86_secondary_memory_needed,
6749 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6750 * i386.c (ix86_secondary_memory_needed,
6751 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6753 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6755 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6756 (HARD_REGNO_MODE_OK): Move offline to ....
6757 * i386.c (ix86_hard_regno_mode_ok) ... here;
6758 refuse all incorrect modes.
6759 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6761 2001-02-13 Richard Henderson <rth@redhat.com>
6763 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6764 entire operator; replicate that and match_dup the operands.
6765 (cmp_ccx_arith_op_set): Likewise.
6766 (cmp_cc_arith_op_not_set): Likewise.
6767 (cmp_ccx_arith_op_not_set): Likewise.
6769 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6771 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6773 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6775 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6776 (TARGET_NO_BITFIELD_WORD): New macro.
6777 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6778 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6780 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6782 * cselib.c: New file, from simplify-rtx.c.
6783 * simplify-rtx.c: Remove cselib parts.
6784 * Makefile.in: Add cselib.o.
6786 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6788 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6789 (setup_incoming_varargs): Remove warning.
6791 * config/rs6000/rs6000.c (validate_condition_mode): When
6792 flag_fast_math, allow floating-point conditionals to be reversed.
6793 (rs6000_generate_compare): When flag_fast_math, don't generate
6794 cror operations for FP conditionals.
6796 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6798 (ASM_SPEC): Likewise.
6799 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6800 (CC1_SPEC): Likewise.
6801 (LINK_TARGET_SPEC): Likewise.
6802 (CPP_ENDIAN_SPEC): Likewise.
6803 * Makefile.in (check-consistency): New target.
6805 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6807 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6808 "return type defaults" warning for functions with return type
6810 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6811 function declarations by default rather than only when pedantic.
6813 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6815 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6818 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6820 * extend.texi (Deprecated): Deprecate new initializer lists.
6822 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6824 * mkdeps.c (deps_add_default_target): Robustify. Add
6825 basename component only.
6826 * cpp.texi (-M): Describe how default target is generated.
6827 * invoke.texi (-M): Likewise.
6829 2001-02-12 Kazu Hirata <kazu@hxi.com>
6831 * toplev.c (push_float_handler): Remove.
6832 (pop_float_handler): Remove.
6833 * toplev.h: Remove prototypes for the above functions.
6835 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6837 * c-common.c (constant_fits_type_p): New function.
6838 (convert_and_check): Use it.
6840 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6842 * Makefile.in (GXX_ABI_FLAG): Don't define.
6843 * configure.in (--enable-new-gxx-abi): Remove option.
6844 * config.in: Regenerated.
6845 * configure: Likewise.
6847 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6849 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6851 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6852 regular basic block, and arrange for all edges into it to switch
6855 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6857 * Makefile.in (distclean): Do not remove .gdbinit.
6859 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6861 * Makefile.in (gcc.o): Fix typos.
6862 (protize.o): Likewise.
6863 (unprotoize.o): Likewise.
6865 2001-02-11 Richard Henderson <rth@redhat.com>
6867 * tree.c (build1): Check for null operand in last change.
6869 2001-02-11 Richard Henderson <rth@redhat.com>
6871 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6872 (fold): Don't assume a constant isn't foldable.
6873 * tree.c (build): Set TREE_CONSTANT for an expression with no
6874 side-effects and constant operands.
6877 2001-02-10 Richard Henderson <rth@redhat.com>
6879 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6881 2001-02-10 Anthony Green <green@redhat.com>
6883 * cpp.texi (Standard Predefined): Add documentation for
6886 * c-common.c (combine_strings): Improve warning message.
6888 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6890 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6892 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6894 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6896 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6899 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6901 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6904 2001-02-09 Nick Clifton <nickc@redhat.com>
6906 * config/arm/arm.md: Change output contraint on post inc
6907 load/store multiple patterns to be a read/write contraint.
6909 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6911 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6912 .o files when using the -M options.
6914 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6915 David Edelsohn <edelsohn@gnu.org>
6917 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6918 handle DImode constants. Use one TOC entry for SImode and smaller
6919 constants, aligned properly.
6921 2001-02-08 Jason Merrill <jason@redhat.com>
6923 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6924 about the SP adjustment for saving the static chain pointer.
6925 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6926 offset when setting a temporary CFA register.
6928 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6930 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6931 powerpc-*-chorusos* .
6932 * config/rs6000/chorus.h : New file.
6933 * config/i386/chorus.h : New file.
6934 * config/sparc/chorus.h : New file.
6935 * config/sparc/t-chorus-elf : New file.
6937 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6939 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6940 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6941 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6942 (__WCHAR_TYPE__): Correct macro name.
6944 2001-02-08 Richard Henderson <rth@redhat.com>
6946 * config/i386/i386.c (ix86_frame_pointer_required): New.
6947 (ix86_setup_frame_addresses): New.
6948 (struct machine_funciton): Add accesses_prev_frame.
6949 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6950 ix86_frame_pointer_required.
6951 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6952 (SETUP_FRAME_ADDRESSES): New.
6953 * config/i386/i386-protos.h: Update.
6954 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6955 from FRAME_POINTER_REQUIRED.
6956 * config/i386/svr3gas.h: Likewise.
6957 * config/i386/sysv3.h: Likewise.
6958 * config/i386/v3gas.h: Likewise.
6960 2001-02-08 Richard Henderson <rth@redhat.com>
6962 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6963 calculation of the number of integer registers required.
6964 (function_arg_record_value): Likewise.
6966 2001-02-08 Jason Merrill <jason@redhat.com>
6968 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6969 two. Print file and line with "confused" message.
6971 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6973 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6975 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6977 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6979 * final.c (cleanup_subreg_operands): The address of a MEM can
6982 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6985 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6987 * gcc.texi (Incompatibilities): Update documentation of
6988 preprocessing numbers.
6990 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6992 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6994 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6996 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6998 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6999 * gcc.c (struct compiler): Add cpp_spec field.
7000 (input_file_compiler): New variable.
7001 (do_spec_1): Allow a particular compiler to handle `%C'
7003 (main): Store the current compiler in input_file_compiler.
7004 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
7006 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
7008 * cpphash.h (struct spec_nodes): Add n_true and n_false.
7009 * cppinit.c (cpp_create_reader): Initialize them.
7010 (append_include_chain): cxx_aware arg might be unused.
7011 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
7012 keywords and give them their phase 7 meaning. Pedwarn about
7013 this unless '__bool_true_false_are_defined' is defined.
7015 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7017 * lcm.c (optimize_mode_switching): Emit mode_set before the
7018 JUMP_INSN of an abnormal edge.
7020 2001-02-07 Bernd Schmidt <bernds@redhat.com>
7022 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
7023 a scheduling barrier at the end.
7025 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
7027 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7029 * config/sh/sh.md (reload_outsf): Removed.
7030 (movsf_ie): Introduce constraints for FPUL loads and stores.
7031 (reload_insf): Broaden the output constraint.
7033 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
7035 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
7036 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
7038 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
7040 * final.c: Revert my previous changes.
7041 * output.h: Make profile_label_no extern.
7042 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
7043 for generating label.
7045 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
7047 * config/i386/djgpp.h: Add comments about standard paths.
7048 (MD_EXEC_PREFIX): Undefine before defining.
7049 (MD_STARTFILE_PREFIX): New.
7051 2001-01-30 Bruce Korb <bkorb@gnu.org>
7053 fixinc/fixincl.c(process): Emit error message only if appropriate :)
7054 (load_file): do not rely on load_file_data() to close file pointer
7055 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
7056 fixinc/inclhack.def(irix_limits_const): add test_text
7058 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7060 * cppexp.c (parse_defined): Improve diagnostics for invalid
7063 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7065 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
7067 2001-02-06 Mark Mitchell <mark@codesourcery.com>
7069 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
7070 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
7071 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
7072 (rs6000_output_symbol_ref): New function.
7073 (output_toc): Use VTABLE_NAME_P.
7075 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7077 * print-tree.c (print_node, case PARM_DECL):
7078 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
7080 * stor-layout.c (reference_types_internal): New variable.
7081 (internal_reference_types): New function.
7082 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
7083 * tree.h (internal_reference_types): New declaration.
7085 * cse.c (find_best_addr): Fix typo in computing cost.
7087 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7089 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
7090 and this is the sum of a pointer and a constant, we know the result
7092 (num_sign_bit_copies, case PLUS): Likewise.
7093 * explow.c (convert_memory_address): Remove opposite SUBREG.
7094 * function.c (instantiate_new_reg): New function (from common code).
7095 (instantiate_virtual_regs_1): Call it.
7096 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
7097 if pointers sign- or zero-extend.
7098 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
7099 If pointers extend unsigned, use inside of SUBREG.
7100 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
7102 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
7104 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
7105 subdir of gcc_gxx_include_dir.
7106 (gcc_gxx_target_include_dir): Remove.
7108 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
7110 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
7111 (dwarf2out_frame_debug_expr): Revise introductory comments to add
7112 a high-level description.
7114 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
7116 * final.c: Move the declaration of profile_label_no to ...
7117 * output.h: ... here.
7118 * function.c (expand_function_start): Call PROFILE_HOOK.
7119 * config/rs6000/aix.h: Define PROFILE_HOOK.
7120 * config/rs6000/rs6000-protos.h: output_profile_hook new.
7121 * config/rs6000/rs6000.c (output_profile_hook): Define.
7122 (output_prolog): Do nothing for ABI_AIX as it is taken care by
7123 output_profile_hook.
7124 tm.texi : Explain new macro PROFILE_HOOK.
7126 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
7128 * extend.texi (Extended Asm): Do not say that semicolon is always
7129 a valid line-breaking character for GNU assemblers. Use
7130 newline-tab as the most commonly supported syntax. Use
7131 newline-tab rather than semicolon in multi-insn examples.
7133 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7135 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
7137 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7138 David Edelsohn <edelsohn@gnu.org>
7140 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
7141 code for AIX, even without flag_pic.
7143 2001-02-05 Jakub Jelinek <jakub@redhat.com>
7145 * c-typeck.c (common_type): push and pop binding level around
7146 calling common_type on function parameters.
7148 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
7150 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
7152 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7154 * config/mips/mips.c (override_options): Fix typo in last change.
7155 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
7156 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
7158 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
7160 * invoke.texi (-fdump-class-layout): Document.
7161 (-fdump-translation-unit): Use `=' as filename separator.
7163 2001-02-05 Mark Mitchell <mark@codesourcery.com>
7165 * Makefile.in (s-mlib): Don't build multilibs if
7167 (DRIVER_DEFINES): Adjust accordingly.
7169 (protoize.o): Likewise.
7170 (unprotoize.o): Likewise.
7171 * configure.in: Recognize --enable-multilib.
7173 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7175 * Makefile.in (DRIVER_DEFINES): Fix quoting.
7177 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
7178 * configure.in: Remove --enable-libstdcxx_v3 support.
7179 * configure: Regenerated.
7181 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7183 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
7184 Call abort instead of fatal.
7185 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
7186 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
7187 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
7188 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
7189 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
7190 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
7192 * diagnostic.h (set_internal_error_function): Renamed.
7193 * toplev.h (internal_error): Renamed from fatal.
7194 (pfatal_with_name): Deleted.
7195 (fatal_io_error): Now has printf-style arguments.
7196 * diagnostic.c (pfatal_with_name): Deleted.
7197 (fatal_io_error): Rework to have args in printf-style.
7198 (set_internal_error_function): Renamed from set_fatal_function.
7199 (internal_error): Renamed from fatal.
7200 (error_recursion, fancy_abort): Call internal_error instead of fatal.
7201 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
7202 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
7203 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
7204 * flow.c (verify_flow_info): Likewise.
7205 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
7206 * config/mips/mips.c (save_restore_insns): Likewise.
7208 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
7209 * flow.c (verify_flow_info): Likewise.
7210 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
7211 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
7212 (avr_normalize_condition): Likewise.
7213 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
7214 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
7215 (limit_reload_class, double_reg_to_memory): Likewise.
7216 (print_operand_address, emit_1600_code_shift): Likewise.
7217 (gen_tst_reg, gen_compare_reg): Likewise.
7218 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
7219 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
7221 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
7223 * c-parse.in (methoddef): Call fatal_error instead of fatal.
7224 * objc/objc-act.c (build_ivar_chain): Likewise.
7225 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
7227 * graph.c (clean_graph_dump_file): Likewise.
7228 * profile.c (init_branch_prob): Likewise.
7229 * objc/objc-act.c (objc_init): Likewise.
7231 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
7232 * config/avr/avr.c (avr_override_options): Likewise.
7233 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
7234 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
7235 * config/h8300/h8300.c (h8300_init_once): Likewise.
7236 * config/mips/mips.c (override_options): Likewise.
7237 * config/i386/i386.c (override_options): Likewise, rework.
7238 * config/m68k/m68k.c (override_options): Likewise.
7240 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
7242 * config/mips/mips.c (print_operand): Likewise.
7243 * hash.c (hash_allocate): Don't check for failure returns from
7244 obstack functions that can't fail.
7245 (hash_table_init_n, hash_table_init): Likewise; also now return void.
7246 * hash.h (hash_table_init_n, hash_table_init): Now return void.
7247 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
7248 (get_object_reference): Likewise.
7250 2001-02-04 Nick Clifton <nickc@redhat.com>
7252 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
7253 StrongARM1110, 10TDMI, and 1020T.
7255 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7257 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
7259 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
7261 * config/sh/sh.md (movdf load split): Pass register number to
7262 FP_OR_XD_REGISTER_P.
7264 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7266 * cppinit.c (BC): New macro.
7267 (builtin_array): Add __GXX_WEAK__.
7268 * cpplib.h (builtin_type): Add BT_WEAK.
7269 * cppmacro.c (builtin_macro): Handle BT_WEAK.
7270 * defaults.h (SUPPORTS_ONE_ONLY): Define.
7271 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
7273 2001-02-03 Jakub Jelinek <jakub@redhat.com>
7275 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
7277 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7279 * cpphash.h: Rename _ALIGN POOL_ALIGN.
7280 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7282 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7284 * cpphash.h: Rename ALIGN _ALIGN.
7285 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7287 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7289 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7290 compilation environment.
7291 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7292 control over location of cygwin includes and libs.
7294 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7296 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7298 2001-02-02 lars brinkhoff <lars@nocrew.org>
7300 * md.texi (Standard Names): remove reference to spur.md.
7302 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7304 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7305 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7306 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7307 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7308 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7310 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7312 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7313 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7314 number before reload.
7315 (c4x_adjust_cost): Return zero before reload.
7316 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7317 split before reload.
7319 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7321 * c4x.c (c4x_hard_regno_rename_ok): New.
7322 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7323 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7325 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7327 * diagnostic.h: Add missing "extern" in all declarations.
7329 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7331 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7332 as for gcc_gxx_include_dir.
7334 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7336 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7338 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7340 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7341 label before alignment to be used as the braf base address.
7342 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7344 (casesi_jump_2): Require at least TARGET_SH2.
7346 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7347 truncation to 32-bit doubles on -m3e and -m4-single-only.
7349 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7351 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7352 the default when building a shared object.
7353 (init_spec): Use it.
7354 * testsuite/lib/g++.exp: Include the directory where libgcc
7355 is located to the LD_LIBRARY_PATH list.
7356 * invoke.texi (-shared-libgcc): Document the cases in which
7357 GCC defaults to using the shared libgcc.
7359 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7361 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7362 unsigned is wide enough.
7364 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7365 (si_to_float): Likewise.
7366 (float_to_si, float_to_usi): Use BITS_PER_SI.
7368 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7370 * dwarf2out.c: Added explanation of abbreviations.
7371 (def_cfa_1): Added comments listing DWARF2 instructions.
7372 (cfa_temp_reg): Removed in favor of cfa_temp.
7373 (cfa_temp_value): Removed in favor of cfa_temp.
7374 (cfa_temp): New global variable.
7375 (dwarf2out_frame_debug_expr): Added extensive introductory
7376 comments explaining the function's transformations. Revised to
7377 use cfa_temp. Added some rtx checking. Generalize IOR case.
7378 (dwarf2out_frame_debug): Revised to use cfa_temp.
7379 (output_aranges): Cast as "unsigned" to avoid warning.
7380 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7381 explain which instructions must be marked.
7383 2001-02-01 Richard Henderson <rth@redhat.com>
7385 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7388 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7390 * config/sh/crt1.asm (main_k): Modified so that start calls
7391 ___setup_argv_and_call_main.
7393 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7395 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7396 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7397 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7398 * cppmacro.c (builtin_macro): Set builtin flags here.
7399 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7400 (replace_args): Clarify intent.
7401 (cpp_get_token): Macro expansion tokens get the saved flags.
7403 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7406 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7408 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7411 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7413 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7414 returns Pmode pseudo, but we need ptr_mode.
7415 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7416 Remove bogus conversions; use HOST_WIDE_INT for size.
7417 Don't use TARGET if wrong mode.
7419 * config/i386/i386.c (ix86_compute_frame_size): Allow
7420 stack_alignment_needed to be non-default even if size is zero.
7422 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7424 * pa.c (hppa_init_pic_save): New function.
7425 * pa.h (hppa_init_pic_save): Declare.
7426 * pa.md (call, call_value, sibcall, sibcall_value): Use
7427 the above instead of duplicated code.
7429 * pa.c (hppa_encode_label): Correct size of alloca buffer
7430 so we don't overrun it. Correct leading `*' case.
7431 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7432 need to handle `*@'.
7433 (FUNCTION_NAME_P): Likewise.
7435 2001-01-31 Richard Henderson <rth@redhat.com>
7437 * config.gcc (alpha-osf5): Use float-i128.h.
7439 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7440 * config/float-i32.h: Likewise.
7441 * config/float-i64.h: Likewise.
7442 * config/float-sh.h: Likewise.
7443 * config/float-sparc.h: Likewise.
7445 2001-01-31 DJ Delorie <dj@redhat.com>
7447 * expmed.c (extract_bit_field): allow non-integral modes if we
7448 want to extract a whole register from itself.
7450 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7452 * c-typeck.c (set_init_index): If first is equal to last, assume as
7453 if it was not a range at all.
7455 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7457 * config/fp-bit.c: Include tm.h.
7458 (float_to_si): Don't assume SImode is 32-bits wide.
7459 (float_to_usi): Likewise.
7461 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7463 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7465 (typename): Call pending_xref_error after parsing typed_typespecs.
7466 * c-decl.c (lookup_tag): Give error immediately rather than
7467 leaving it pending if the tag of the wrong type is in the same
7469 (xref_tag): Don't pedwarn for forward declarations of enum types
7471 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7474 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7476 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7478 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7480 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7481 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7483 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7485 * cpphash.h (struct cpp_reader): New saved_flags.
7486 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7487 to avoid a paste after a pasted token.
7489 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7491 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7492 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7493 Wtype_MIN instead of LONG_MIN.
7495 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7497 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7499 * fixinc/fixincl.x: Regenerated.
7500 * fixinc/inclhack.def (irix_limits_const): New definition to
7501 convert "const" to "__const" in limits.h.
7503 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7505 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7507 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7509 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7510 when register dies in the insn.
7512 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7514 * diagnostic.c (fatal): Fix word wrap.
7516 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7518 * combine.c (try_combine): Fix SUBREG setting for
7519 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7521 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7523 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7526 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7528 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7530 * toplev.c (decode_W_option): Update warn_larger_than
7531 unconditionally for each processed switch.
7533 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7535 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7537 (hppa_expand_prologue): Delete code to save pic offset table register
7538 in the function prologue.
7539 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7540 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7541 table register at the beginning of the function after the prologue.
7543 2001-01-29 lars brinkhoff <lars@nocrew.org>
7545 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7547 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7548 Jeff Law <law@redhat.com>
7550 * pa.md (return): Revise comment for trivial return.
7551 (return_internal): Non-trivial return pattern for non-PIC code.
7552 (return_internal_pic): Non-trivial return pattern for PIC code.
7553 It uses the PIC register to ensure it is restored after
7555 (epilogue): Generate appropriate return for PIC and non-PIC code.
7557 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7559 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7561 2001-01-29 DJ Delorie <dj@redhat.com>
7563 * combine.c (if_then_else_cond): Pass the correct mode to
7564 operand_subword() for constants.
7566 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7568 * config/i386/cygwin.h: Add w32api to include search. Search different
7569 directories in a cross-build environment.
7571 2001-11-29 Tim Josling <tej@melbpc.org.au>
7573 * tree.h (TYPE_STUB_DECL): Add documentation.
7575 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
7577 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7578 (sdbout_field_types): Likwise. Fix use of host_integerp.
7580 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7582 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7585 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7587 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7588 to use flag_gnu_linker.
7590 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7592 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7593 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
7595 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7597 * tree.c, tree.h (build_parse_node): Remove; was identical to
7599 * c-lang.c (start_cdtor), objc/objc-act.c
7600 (build_module_descriptor): Use build_nt instead of
7603 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7605 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7606 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7607 not have any upper bits set.
7609 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7611 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7613 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7615 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7617 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7619 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7620 (integer_minus_one_node): Define.
7622 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7624 * Makefile.in (bootstrap2-lean): Fix typo.
7626 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7628 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7629 : Don't set fe_value.
7630 * cpplib.h (AVOID_LPASTE): New flag.
7631 (struct cpp_hashnode): Remove fe_value.
7632 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7633 * cppmacro.c (builtin_macro): Don't set flags here.
7634 (replace_args): Set AVOID_LPASTE flag on first token of an
7635 argument, and the token following it.
7636 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7637 macro expansion, and on the token following it. Do it for
7639 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7641 2001-01-27 Richard Henderson <rth@redhat.com>
7643 * config/alpha/t-ieee: Remove multilibbing.
7644 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7646 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7648 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7650 * Makefile.in: Remove all dependencies on defaults.h.
7651 * builtins.c: Don't include defaults.h.
7652 * c-common.c: Likewise.
7653 * c-decl.c: Likewise.
7654 * c-pragma.c: Likewise.
7655 * c-typeck.c: Likewise.
7656 * combine.c: Likewise.
7658 * frame-ia64.c: Likewise.
7659 * cppexp.c: Likewise.
7660 * crtstuff.c: Likewise.
7661 * dbxout.c: Likewise.
7662 * dwarf2out.c: Likewise.
7663 * dwarfout.c: Likewise.
7664 * emit-rtl.c: Likewise.
7665 * except.c: Likewise.
7667 * final.c: Likewise.
7668 * frame-dwarf2.c: Likewise.
7669 * libgcc2.c: Likewise.
7670 * optabs.c: Likewise.
7671 * profile.c: Likewise.
7672 * sdbout.c: Likewise.
7673 * toplev.c: Likewise.
7674 * tradcif.y: Likewise.
7676 * varasm.c: Likewise.
7678 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7680 * builtins.c (expand_builtin_fputs): Use size_one_node when
7681 transforming into fwrite.
7683 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7685 * extend.texi (Attribute Syntax): New section.
7687 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7689 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7690 they didn't need fixing.
7692 2001-01-27 Janis Johnson <janis@us.ibm.com>
7694 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7696 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7697 to remove macro definitions that are duplicated from elfos.h.
7699 2001-01-27 Richard Henderson <rth@redhat.com>
7701 * config/i386/sco5gas.h: Move ...
7702 * config/usegas.h: ... here.
7703 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7705 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7707 * c-typeck.c (struct constructor_stack): Add range_stack member.
7708 (really_start_incremental_init): Clear it.
7709 (push_init_level): Save constructor_range_stack and clear it if
7710 pushing explicit braces.
7711 (pop_init_level): abort if constructor_range_stack is non-zero at
7712 explicit closing brace. Restore saved constructor_range_stack if
7715 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7717 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7718 into register was forced into memory.
7720 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7722 * Makefile.in: Remove uses of + before $(MAKE).
7724 2001-01-26 Richard Henderson <rth@redhat.com>
7726 * stmt.c (cost_table): Remove.
7727 (COST_TABLE, cost_table_initialized): New.
7728 (estimate_case_costs): Use the later instead of the former.
7729 (balance_case_nodes): Likewise.
7731 2001-01-26 Richard Henderson <rth@redhat.com>
7733 * alias.c (objects_must_conflict_p): Read-only slots may not
7734 conflict despite having the same type.
7736 2001-01-27 Michael Hayes <mhayes@redhat.com>
7738 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7740 (check_ext_dependant_givs): Initialise u_start_val and
7742 (load_mems): Make last_max_reg unsigned.
7743 (try_swap_copy_prop): Use INSN_P and initialise set.
7745 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7747 * README.AVR : Removed.
7749 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7751 * pa-64.h (text_section): Remove declaration.
7753 * pa.md (return_internal): Remove mode on PIC register use.
7755 2001-01-25 lars brinkhoff <lars@nocrew.org>
7757 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7758 ASM_CLOSE_PAREN): fix typos.
7760 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7762 * acconfig.h: Define `const' to the empty string if neither
7763 __STDC__ nor __cplusplus is defined.
7764 * config.in: Regenerated.
7766 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7768 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7769 * collect2.c (main): Delete importf. Add ".obj" file extension.
7770 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7771 (aix_std_libs): Add additional AIX libraries to skip.
7772 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7773 * config/rs6000/aix51.h: New file.
7775 2001-01-25 Michael Hayes <mhayes@redhat.com>
7777 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7778 (loop_insn_emit_before): No longer static.
7779 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7780 (loop_givs_rescan, load_mems): Likewise.
7781 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7782 (maybe_eliminate_biv_1):
7783 (move_movables): Replace emit_call_insn_before with
7784 loop_call_insn_hoist.
7785 * loop.h (loop_insn_emit_before): Add.
7786 * unroll.c (copy_loop_body): Replace emit_insn_before with
7787 loop_insn_emit_before.
7789 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7791 * diagnostic.c (fatal): Request preprocessed source.
7793 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7795 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7796 olddecl has argument types and newdecl has none, use the argument
7799 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7801 * dwarf2out.c (prefix_of): New function. Determine longest common
7802 prefix of the two arguments. The units are whole path components.
7803 (output_file_names): When adding a new directory find the one entry
7804 with the longest common prefix already in the list. Artificially
7805 generate entry if there is none for this prefix.
7806 Fix test to check whether the zeroth directory entry is used.
7808 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7810 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7811 Changed all callers. Take it into account when deciding if a
7812 previously loaded value matches.
7814 2001-01-24 Richard Henderson <rth@redhat.com>
7816 * reload.c (find_reloads_subreg_address): Fail the substitution
7817 if the resulting address is insufficiently aligned.
7819 2001-01-24 DJ Delorie <dj@redhat.com>
7821 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7822 check the original operand's mode also.
7823 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7825 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7827 * c-parse.in (cast_expr): Move compound literals from here ...
7828 (primary): ... to here. Use standard terminology "compound
7829 literal" instead of "constructor expression".
7831 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7833 * gcc.1, cpp.1: Regenerate.
7835 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7837 * calls.c (emit_library_call_value_1): Memory slot for
7838 pass-by-reference argument should have the mode of the argument,
7839 not of the pointer to it.
7841 2001-01-24 Tom Tromey <tromey@redhat.com>
7843 * gcc.texi (G++ and GCC): Mention gcj manual.
7844 (Standards): Link to section of manual mentioning gcj/Java
7847 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7849 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7850 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7851 * tradcpp.c (main): Add -imacros or -include'd dependencies
7853 * cpp.texi (-M, -MM): Document -M -include behaviour.
7855 2001-01-24 Roger Collins <roger@ProProject.com>
7857 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7859 2001-01-24 Will Cohen <wcohen@redhat.com>
7861 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7862 whether registers are 32 bits or 64 bits in size.
7864 2001-01-24 Ben Elliston <bje@redhat.com>
7866 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7868 2001-01-24 Richard Henderson <rth@redhat.com>
7870 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7871 (builtin_longjmp): Use it instead of emit_indirect_jump.
7873 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7875 * bb-reorder.c (make_reorder_chain_1): Handle case where
7876 jump edge goes to the same block as the fallthru edge.
7878 2001-01-23 Jim Wilson <wilson@redhat.com>
7880 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7881 * frame.h (__ia64_personality_v1): Add prototype.
7882 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7883 prototype form. Add void * cast to first argument to personality
7885 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7886 (asctoe113): Likewise.
7887 * config/ia64/frame-ia64.c: Include eh-common.h.
7888 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7890 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7892 (itanium_split_issue): Add prototype.
7893 (gen_nop_type): Ifdef out.
7894 (find_best_packet): Initialize best_packet.
7895 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7897 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7898 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7899 (flushrs): Add explicit stop bit at end.
7900 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7903 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7905 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7907 * libgcc2.c (__terminate_func): Make variable static.
7908 (__terminate_set_func): New function to set __terminate_func.
7909 * libgcc2.h (__terminate_func_ptr): New typedef.
7910 (__terminate_set_func): New function.
7912 2001-01-23 Richard Henderson <rth@redhat.com>
7914 * flow.c (init_propagate_block_info): Don't consider unchanging
7915 memories for dead frame store elimination.
7917 2001-01-23 Richard Henderson <rth@redhat.com>
7919 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7920 * defaults.h: ... here.
7922 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7924 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7926 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7928 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7930 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7932 * rs6000.h (rs6000_return_addr): Move prototype from here...
7933 * rs6000-protos.h (rs6000_return_addr): ...to here.
7934 (rs6000_init_expanders): Delete prototype.
7936 2001-01-23 Nick Clifton <nickc@redhat.com>
7938 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7939 (Spec Files): Document %B and %j and %. and %v3 and %M and
7940 %{S*&T} spec switches.
7942 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7944 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7946 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7947 Neil Booth <neil@daikokuya.demon.co.uk>
7949 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7950 Have -Werror make pedantic warnings errors, like the
7953 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7955 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7957 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7959 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7960 * integrate.c (expand_inline_function): Initialize them.
7961 (subst_constants): If changing COMPARE so that both its arguments
7962 will be VOIDmode and the comparison mode will be lost, note
7963 compare_mode. Use the recorded compare_mode to optimize
7966 2001-01-23 Jason Merrill <jason@redhat.com>
7968 * dwarf2out.c (new_die): Use xcalloc.
7969 (output_die): Abort rather than emit a local reference to offset 0.
7971 2001-01-17 Andrew Haley <aph@redhat.com>
7973 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7974 of a saved register; return NULL instead.
7975 (copy_reg): Take a pointer to a source register rather than a
7977 (next_stack_level): Remember the address in the stack frame of all
7979 Use the saved register pointer array as the source of the CFA.
7980 (throw_helper): Rewrite. Unwind once rather than twice and keep
7981 track of saved registers as we go.
7983 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7985 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7986 * c4x.c (c4x_legitimize_reload_address): Remove.
7987 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7988 reload address for ldp(k) insn.
7990 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7992 * pa.md (return_internal): Add a USE of the PIC register to ensure
7993 it is restored after each call.
7994 (return expander): Corresponding changes.
7996 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7998 * rs6000.h (INIT_EXPANDERS): Delete.
7999 (RETURN_ADDR_RTX): Call rs6000_return_addr().
8000 * rs6000.c (rs6000_override_options): Call *_machine_status from
8002 (rs6000_init_expanders): ...instead of here. Delete.
8003 (rs6000_mark_machine_status): New function.
8004 (rs6000_init_machine_status): Use xcalloc.
8005 (rs6000_return_addr): Generate RTX for the return address.
8006 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
8007 (rs6000_stack_info): Use it.
8009 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
8011 * gthr-win32.h: Include errno.h to get a declaration for
8012 EINVAL and _mingw.h if the target is mingw32.
8014 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
8016 * cpp.texi: Correct typos.
8018 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8020 * explow.c (probe_stack_range): Ensure value passed to
8021 stack_check_libfunc is ptr_mode, not Pmode.
8023 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
8025 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
8026 case, don't use operand_subword to calculate a SUBREG that is
8029 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
8031 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8033 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
8034 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
8035 valid. If not replace it by equivalent insns.
8037 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8039 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
8040 contains SYMBOL_REF, LABEL_REF and CONST_INT.
8041 (c4x_U_constraint, symbolic_address_operand): Likewise.
8042 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
8044 (c4x_r11_set_p, c4x_check_laj_p): New functions.
8045 * c4x-protos.h (c4x_check_laj_p): Add prototype.
8046 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
8047 anulling slot because of silicon bug.
8048 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
8050 2001-01-22 Alan Modra <alan@linuxcare.com.au>
8052 * cppexp.c (parse_charconst): Change `mask' type to agree
8055 2001-01-21 Richard Henderson <rth@redhat.com>
8057 * config/i386/i386.c (ix86_asm_file_end): Disable putting
8058 pic_label_name in a linkonce section.
8060 2001-01-17 Philipp Thomas <pthomas@suse.de>
8062 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
8064 * configure: Regenerate.
8066 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
8068 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
8069 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
8071 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
8073 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
8074 If REVERSE nonzero then condition code in X must be reversed.
8075 (encode_section_info): Optimise if/else.
8076 (avr_function_value): Fix formatting.
8078 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
8079 (difficult_branch): Likewise.
8080 (rvbranch): Likewise.
8081 (difficult_rvbranch): Likewise.
8083 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
8085 * config/avr/libgcc.S: Fix comment.
8087 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8089 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
8091 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8093 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
8095 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8097 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
8098 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
8099 * configure, config.in: Regenerate.
8100 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
8101 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
8102 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
8103 (doprint.o): New rule.
8105 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
8107 * c-typeck.c (digest_init): Handle boolean types as scalars.
8109 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8111 * stmt.c (expand_return): Don't return anything if size is zero.
8112 Delete redundant assignment to BYTES.
8113 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
8115 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
8117 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
8118 the same as the default library function names.
8119 * config/avr/avr.md: Document special characters after '%'.
8120 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
8121 knowing which of the call-used registers are really clobbered.
8122 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
8123 New. Both quotient and remainder from one libgcc.S call.
8124 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
8125 clobber as few registers as possible.
8126 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
8128 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
8130 * cppmacro.c (funlike_invocation_p): Don't move back up to the
8131 context of the top of the stack.
8133 2001-01-20 Jakub Jelinek <jakub@redhat.com>
8135 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
8136 (fixup_var_refs_insns): ...here.
8138 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
8140 * function.c (fixup_var_refs_insns): Break up into
8141 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
8142 [loop over entire insn list], and fixup_var_refs_insns_with_hash
8143 [loop over hash table entries].
8144 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
8145 fixup_var_refs_insns_with_hash, to match above changes.
8147 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
8149 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
8150 (libgcc.a): Likewise.
8151 (stmp-multilib): Likewise.
8152 (STAGE2_FLAGS_TO_PASS): Likewise.
8154 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
8156 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
8157 temporary if no_new_pseudos.
8159 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
8161 * cppinternals.texi: Update.
8163 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
8165 * arm.c (arm_init_builtins): Re-enable builtins.
8167 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8169 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
8170 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
8171 element to be null, and always expect an EXPR_LIST.
8172 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
8173 * sched-deps.c (sched_analyze_1): Likewise.
8174 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8176 * regclass.c (max_set_parallel): New variable.
8177 (reg_scan): Take it into account in computation of max_parallel.
8178 (reg_scan_mark_refs, case SET): Compute it.
8180 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
8182 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
8183 * function.c (assign_parms): Use INTVAL for a CONST_INT.
8185 2001-01-19 Jason Merrill <jason@redhat.com>
8187 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
8188 for the abstract instance of an inline function.
8190 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
8191 J"orn Rennecke <amylaar@redhat.com>
8193 * reload1.c (move2add_note_store): Treat all registers directly or
8194 indirectly derived from a base register as members of the same set
8196 (reload_cse_move2add): Adjust accordingly. Take mode and offset
8197 of base register into account.
8199 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
8201 * alias.c (find_base_value): Recognize TRUNCATE.
8202 (record_set): In PLUS case, invalidate if other summand is also a
8205 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8207 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
8208 entry to be EXPR_LIST.
8209 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
8210 be an EXPR_LIST (but not null, which other code doesn't allow).
8211 (note_stores): Properly handle PARALLEL in SET.
8212 Recursively call for top-level PARALLEL.
8213 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
8214 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8216 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
8218 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
8220 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
8221 not pfile->skipping (== 0).
8223 2001-01-17 Nick Clifton <nickc@redhat.com>
8225 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
8228 2001-01-17 Jim Wilson <wilson@redhat.com>
8230 * invoke.texi (IA-64 options): Improve.
8232 2001-01-17 Tom Tromey <tromey@redhat.com>
8234 * invoke.texi (Optimize Options): Use `{}' to around @samp
8237 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
8239 * invoke.texi (-fno-guess-branch-probability): New option.
8241 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8243 * combine.c (try_combine): Don't set i3_subst_into_i2 for
8244 case of making new double-word constant.
8245 Revert last change: instead just test i3_subst_into_i2.
8247 2001-01-17 Jakub Jelinek <jakub@redhat.com>
8249 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
8250 Use q constraints instead of r.
8252 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
8254 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
8255 (machine_function): Define.
8256 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
8257 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
8258 pa_free_machine_status): New functions.
8259 (override_options): Set {init,mark,free}_machine_status to above.
8260 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8261 PIC_OFFSET_TABLE_REGNUM_SAVED.
8262 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8263 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
8264 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
8265 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
8266 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8268 2001-01-15 DJ Delorie <dj@redhat.com>
8270 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
8274 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8276 * flow.c (propagate_on_insn): Make trying to delete a prologue
8277 or epilogue insn an ICE, not a warning. Allow doing this if
8278 the current function returns with stack pointer depressed.
8280 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8281 I3 having more than one SET.
8283 2001-01-16 Jim Wilson <wilson@redhat.com>
8285 * invoke.texi: Document IA-64 options.
8287 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8288 (fixup_errata): Delete TARGET_A_STEP use.
8289 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8290 (TARGET_SWITCHES): Delete -ma-step option.
8291 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8292 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8293 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8294 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8295 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8296 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8298 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8299 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8300 cmovsi_internal): Delete ! TARGET_A_STEP check.
8302 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8304 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8305 possibility to report bugs via postal mail. Change a URL and
8306 merge in a nearly duplicate statement...
8307 (Bug Reporting): ...from here.
8308 (Service): Refer to the Bug Reporting section instead of
8310 (Contributing): Remove trivial explanations concerning snapshots.
8312 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8314 * cppmain.c (general_init): Don't use ANSI prototype.
8316 2001-01-16 Tom Tromey <tromey@redhat.com>
8318 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8320 2001-01-16 Richard Henderson <rth@redhat.com>
8322 * config/i386/i386.h: Fix comment typo.
8323 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8324 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8326 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8328 * gcc.c: Revert previous -fsyntax-only-related change; move
8331 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8333 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8334 inmode after checking GET_CODE (op).
8336 2001-01-16 Richard Henderson <rth@redhat.com>
8338 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8339 (MAX_MEM_SET_LIST_LEN): New.
8340 (propagate_one_insn): Update mem_set_list_len.
8341 (invalidate_mems_from_autoinc): Likewise.
8342 (invalidate_mems_from_set): Likewise.
8343 (mark_used_regs): Likewise.
8344 (init_propagate_block_info): Likewise. Stop collecting memories
8345 when we reach MAX_MEM_SET_LIST_LEN.
8346 (mark_set_1): Likewise.
8348 2001-01-16 Richard Henderson <rth@redhat.com>
8350 * unroll.c (precondition_loop_p): Fail if no iteration
8353 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8355 * gcc.c: When -fsyntax-only is given, do not complain about
8358 2001-01-15 Richard Henderson <rth@redhat.com>
8360 * config/i386/i386.c (asm_output_function_prefix): Remove.
8361 (ix86_asm_file_end): New.
8362 (load_pic_register): Generate pic_label_name into a
8363 staticly allocated buffer.
8364 * config/i386/i386-protos.h: Update.
8365 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8366 (ASM_FILE_END): New.
8367 * config/i386/i386afe.h: New file.
8368 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8369 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8370 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8371 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8372 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8373 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8374 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8376 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8378 * Makefile.in (install-man): Remove explicit dependency on
8381 * configure.in, configure: Revert previous patch requiring perl
8384 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8386 * toplev.c (flag_guess_branch_prob): New.
8387 (f_options): Add guess-branch-probability option.
8388 (rest_of_decl_compilation): Only estimate branch probability if
8390 (main): set flag_guess_branch_prob.
8392 * flags.h (flag_guess_branch_prob): New.
8394 2001-01-15 DJ Delorie <dj@redhat.com>
8396 * gcc.texi (Makefile): Add documentation for Makefile targets.
8398 2001-01-15 Philip Blundell <philb@gnu.org>
8400 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8402 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8403 (is_pic): Delete declaration.
8404 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8405 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8406 * config/arm/arm.md (builtin_setjmp_receiver): New.
8408 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8410 * arm.c (use_return_insn): Don't try to determine the function type
8411 until after reload has completed.
8412 (arm_output_epilogue): Don't adjust the sp value recovered from the
8414 (emit_multi_reg_push): Don't record dwarf information for the pc.
8415 * arm.md (eh_epilogue): The function type may have changed, so it
8416 needs to be recalculated.
8417 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8418 unwind tables on arm/netbsd.
8420 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8422 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8423 (negated_cbranchsi4): Likewise.
8425 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8427 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8428 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8429 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8430 pass -mapcs-* options to assembler.
8431 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8432 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8433 (ASM_SPEC): Call subtarget_extra_asm_spec.
8435 2001-01-15 Andreas Jaeger <aj@suse.de>
8437 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8439 (ix86_expand_builtin): Likewise.
8441 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8442 warning about comparison between signed and unsigned.
8444 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8446 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8448 2001-01-14 Ralf Baechle <ralf@gnu.org>
8450 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8451 SUBTARGET_CPP_SPEC apropriatly.
8453 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8455 * varasm.c (make_decl_rtl): Fix typo in last change.
8457 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8459 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8460 linker supports the init_priority C++ attribute.
8461 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8462 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8463 linker does not support init_priority C++ attribute.
8465 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8467 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8469 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8471 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8472 * cp/lex.c (finish_parse): Similarly.
8473 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8474 Return the number of errors encountered.
8475 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8476 * cppmain.c (main): Don't call cpp_destroy.
8478 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8480 * configure.in: Require at least perl 5.6.0 to regenerate
8482 * configure: Regenerate.
8484 2001-01-14 Richard Henderson <rth@redhat.com>
8486 * genrecog.c (DT_veclen_ge): New.
8487 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8488 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8489 (nodes_identical_1): Handle DT_veclen_ge.
8490 (write_cond, debug_decision_2): Likewise.
8492 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8494 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8496 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8498 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8500 * cppmain.c (do_preprocessing): New function; most of the old
8502 (main): Call it to do most of the work.
8503 (cb): Move from global scope to set_callbacks ().
8504 (setup_callbacks): Get the callback pointer.
8505 (general_init, printer_init): Clean up code and comments.
8507 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8509 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8512 2001-01-14 Kazu Hirata <kazu@hxi.com>
8514 * config/h8300/h8300.c (get_shift_alg): Update comments.
8516 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8518 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8519 (alloc_page, ggc_alloc): Add casts to remove warnings.
8521 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8523 * combine.c (simplify_comparison): Don't change `code' when
8524 can't reverse comparison.
8526 2001-01-14 Richard Henderson <rth@redhat.com>
8528 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8529 update all call sites. Return true for all non-label constants.
8531 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8533 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8535 (ix86_expand_branch): Update.
8536 (ix86_expand_setcc): Update to handle multiple test conditions.
8537 (expand_int_movcc): Likewise.
8538 (expand_fp_movcc): Likewise.
8539 * i386-protos.h (ix86_expand_compare): New.
8540 * i386.md (andqi_?_slp, orqi_?_slp): New.
8541 (conditional trap expander): Update call to ix86_expand_compare.
8543 2001-01-14 Richard Henderson <rth@redhat.com>
8545 * config/vax/vax.md: Use nonimmediate_operand instead of
8546 general_operand in destinations.
8548 * config/vax/vax.md (indirect_jump): Use register_operand.
8550 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8551 * config/vax/vax.md (call_pop): Turn into an expander.
8552 (call_value_pop): Likewise.
8553 (call, call_value): New.
8555 2001-01-14 Andreas Jaeger <aj@suse.de>
8557 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8559 (ix86_fp_compare_mode): Add unused attribute.
8560 (ix86_expand_fp_movcc): Remove unused variable.
8561 (ix86_expand_builtin): Make fcode unsigned.
8563 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8564 (expand_expr): Add cast to avoid signed warning.
8565 (store_field): Likewise.
8566 (store_constructor_field): Likewise.
8567 (store_constructor): Likewise.
8568 (store_expr): Likewise.
8569 (clear_storage): Likewise.
8570 (emit_group_store): Likewise.
8571 (emit_group_load): Likewise.
8573 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8575 * c-common.c: Move format checking code to ...
8576 * c-format.c: ... here. New file. Reorder some functions and
8578 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8580 * c-common.h (decl_handle_format_attribute,
8581 decl_handle_format_arg_attribute): Declare.
8582 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8583 (c-common.o): Adjust dependencies.
8584 (c-format.o): New list of dependencies.
8586 2001-01-13 Jakub Jelinek <jakub@redhat.com>
8588 * unroll.c (loop_iterations): If we cannot prove iteration variable
8589 is set once in each iteration, punt.
8591 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8593 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8594 (*strlenhi): Remove clobber (which was buggy) of output address.
8596 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8598 * Makefile.in (generated-manpages): Add gcc.1
8599 ($(srcdir)/gcc.1): New target.
8600 (maintainer-clean): Delete $(srcdir)/gcc.1.
8601 * gcc.texi: Add macros @gccoptlist and @gol.
8602 * invoke.texi: Include option summary in manpage. Mark up option
8603 summary with @gccoptlist and @gol. Use @r in one place where
8605 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8606 * gcc.1: Generate from invoke.texi.
8608 2001-01-13 Richard Henderson <rth@redhat.com>
8610 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8611 (struct page_entry): Add group member.
8612 (struct page_group): New.
8613 (struct globals): Add page_groups member.
8614 (alloc_anon): Only define for using mmap; remove valloc call.
8615 (page_group_index): New.
8616 (set_page_group_in_use): New.
8617 (clear_page_group_in_use): New.
8618 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8619 (free_page, release_pages): Likewise.
8620 * configure.in (with-gc): Default to ggc-page always.
8622 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8624 * reload1.c (replace_pseudos_in_call_usage): Use
8625 reg_equiv_constant and reg_equiv_address, and don't try
8626 regno_reg_rtx first.
8628 2001-01-13 Richard Henderson <rth@redhat.com>
8630 * ggc-page.c (alloc_page): Round up allocation size to one page.
8631 Set e->order on extra pages.
8633 2001-01-13 Richard Henderson <rth@redhat.com>
8635 * genrecog.c (nodes_identical): Expand commentary.
8636 (write_switch): Watch out for identical nodes.
8638 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8640 * cppfiles.c (_cpp_fake_include): New function.
8641 * cpphash.h (_cpp_fake_include): New.
8642 * cpplib.c (do_line): Call _cpp_fake_include when entering
8643 header files in preprocessed input.
8644 * cppmain.c (cb_pragma_implementation): Remove handling.
8645 (setup_callbacks): Don't register pragmas.
8647 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8649 * extend.texi: Udate for CPP.
8651 2001-01-13 Andreas Jaeger <aj@suse.de>
8653 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8655 * regmove.c: Add prototype for replace_in_call_usage.
8657 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8659 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8660 struct cpp_chunk, struct htab, struct toklist,
8661 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8662 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8663 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8664 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8665 (struct macro_args): Delete.
8666 * cpphash.h: See above.
8668 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8670 * cppmain.c (struct printer): Remove no_line_dirs.
8672 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8673 : Use options rather than CPP_OPTION.
8674 (setup_callbacks): Use cb rather than pfile->cb.
8675 (main): No need to check for a buffer. Use cpp_errors.
8676 (printer_init): Don't set no_line_dirs.
8677 (maybe_print_line): Use options not no_line_dirs.
8678 (cb_file_change): Don't call print_line if -P.
8680 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8682 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8684 * c-parse.in (finish_parse): Use cpp_errors.
8685 (__yylex): Use return value of cpp_pop_buffer.
8686 * cp/lex.c (finish_parse): Use cpp_errors.
8687 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8689 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8691 * README.AVR: URLs corrected.
8693 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8695 * c-decl.c (start_function): Don't warn if old prototype is builtin
8696 that's not in C's namespace.
8697 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8698 (_bb): Add prototype for ctime.
8699 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8701 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8703 * i386.c (ix86_fp_comparison_arithmetics_cost,
8704 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8705 ix86_fp_comparison_cost): New functions.
8706 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8707 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8708 two-branch sequences; make static.
8709 (ix86_use_fcomi_compare): Do decision according to the costs.
8710 (split_fp_branch): New.
8711 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8712 * i386-protos.h (ix86_expand_fp_compare): Remove
8713 (ix86_split_fp_branch): Declare.
8715 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8716 and ix86_comparison_operator.
8718 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8721 * i386.c (put_condition_code): Output properly the unordered/ordered
8722 compares in fp case.
8723 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8725 * tm.texi (REVERSE_CONDITION): Document.
8726 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8727 in -ffast-math mode.
8728 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8730 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8732 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8734 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8737 * config/sh/sh.c (mova_p): Fix test for mova_const.
8739 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8741 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8742 cpp_get_options rather than dereferencing pfile and using
8744 * scan-decls.c (scan_decls): Use return value of
8745 cpp_pop_buffer rather than CPP_BUFFER.
8747 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8749 * cppinit.c (cpp_handle_option): help_only is now part of the
8750 cpp_options structure.
8751 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8752 cpp_set_callbacks): New functions.
8753 * cpplib.h (cpp_callbacks): Break out as a named structure.
8754 (cpp_options): Move help_only here from cpp_reader.
8755 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8756 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8757 cpp_set_callbacks): New prototypes.
8758 * cppmain.c (main): Update for help_only.
8760 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8762 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8763 Also build and remove and install and uninstall c-tree.info and
8765 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8766 ($(srcdir)/cppinternals.info): New target.
8767 * c-tree.texi: Change file name used when makeinfo used without -o
8768 from ir.info to c-tree.info. Add info directory entry.
8769 * cppinternals.texi: Add info directory entry.
8770 * .cvsignore: Update.
8772 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8774 * c-typeck.c (store_init_value): Don't require constant initializer
8775 elements with -pedantic -std=c99.
8776 (digest_init): Change error about non-constant initializer elements
8778 (constructor_range_end): Remove.
8779 (constructor_incremental, designator_depth,
8780 designator_errorneous): New variables.
8781 (struct constructor_stack): Remove range_end, add incremental.
8782 (struct constructor_range_stack, constructor_range_stack): New.
8783 (struct initializer_stack): Add constructor_range_stack.
8784 (finish_init): Set it.
8785 (start_init): Likewise. require_constant_elements for non-static
8786 trees only if not flag_isoc99.
8787 (really_start_incremental_init): Remove constructor_range_end, add
8788 constructor_incremental.
8789 (pop_init_level): Likewise.
8790 (push_init_level): Likewise. If implicit and the subobject had some
8791 value set already, preinitialize the level with it.
8792 Warn about missing braces only if not pushing due to designators.
8793 (set_designator, push_range_stack): New functions.
8794 (set_init_label): Use them.
8795 (set_init_index): Likewise. Remove constructor_range_end.
8796 Error if designator index is outside of array bounds.
8797 (add_pending_init): Compare values of purpose index trees, not the
8798 trees themselves. Allow overwriting of already initialized element.
8799 Issue a warning if it had side-effects.
8800 (set_nonincremental_init, set_nonincremental_init_from_string): New
8802 (pending_init_member): Rename to...
8803 (find_init_member): ...this function. Call set_nonincremental_init
8804 if necessary. Compare values of purpose index trees, not the trees
8805 themselves. Return the actual value, not just non-zero if something
8807 (output_init_element): Remove checks for duplicates.
8808 If field has zero size, only check the initializer for correctness.
8809 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8810 if constructor_incremental is zero. Change error about initializers
8811 not computable at load time into pedwarn.
8812 (output_pending_init_elements): Compare bit positions, not
8813 FIELD_DECLs to take into account zero-sized fields.
8814 (process_init_element): Use constructor_range_stack to fill all
8815 ranges in the designator lists from current level up.
8816 * extend.texi: Update documentation for labeled elements.
8818 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8820 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8821 to function usage for arguments passed by reference. Optimize
8822 callee-copied arguments.
8823 * regmove.c (replace_in_call_usage): New function.
8824 (fixup_match_1): Call it.
8825 * cse.c (cse_insn): Canonicalize registers in function usage.
8826 * reload1.c (replace_pseudos_in_call_usage): New function.
8829 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8832 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8834 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8837 2001-01-12 DJ Delorie <dj@redhat.com>
8839 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8840 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8843 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8845 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8846 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8847 -std options alongside references to -ansi. Update some
8848 documentation for C99.
8849 * cpp.1: Regenerate.
8851 2001-01-12 Andreas Jaeger <aj@suse.de>
8853 * haifa-sched.c (restore_line_notes): Remove argument block B
8855 * sched-ebb.c (schedule_ebb): Change caller.
8856 * sched-rgn.c (schedule_region): Likewise.
8857 * sched-int.h (restore_line_notes): Adjust prototype.
8859 * loop.h: Remove wrong declaration of doloop_condition_get.
8861 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8863 * extend.texi: Move C++-extension-related node from the C section
8864 into the C++ section.
8866 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8868 * extend.texi: Refer to an array of pointers to functions instead
8869 of one of functions.
8871 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8872 Jan Hubicka <jh@suse.cz>
8874 * combine.c (reversed_comparison): Fix typo in last patch.
8876 (combine_reversed_comparison_code): Make static to follow
8877 prototype declaration.
8879 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8881 * install.texi: Remove misplaced duplicate entry.
8883 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8885 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8887 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8889 * final.c: (leaf_function_p): Fix typo.
8891 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8893 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8894 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8896 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8897 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8898 mmap_anon, and valloc is available.
8899 * ggc-page.c: Restructure ifdef logic to match new autoconf
8900 spec. Don't throw away the test page in init_ggc.
8902 * configure, config.in: Regenerate.
8904 2001-01-12 Michael Hayes <mhayes@redhat.com>
8906 * loop.h (total_biv_increment): Constify iv_class pointer.
8907 (struct induction): Replace `mem_mode' with `mem' rtx.
8908 * unroll.c (total_biv_increment): Constify iv_class pointer.
8909 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8910 (find_mem_givs, combine_givs_p): Likewise.
8911 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8913 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8915 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8917 (__gthread_getspecific): Ditto.
8919 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8921 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8922 put_condition_code): Convert fp comparison codes to integer
8924 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8927 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8928 * i386-protos.h (no_comparison_operator): Kill.
8930 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8932 * combine.c (REVERSIBLE_CC_MODE): Remove.
8933 (reversible_comparison_p): Remove.
8934 (combine_reversed_comparison_code): New.
8935 (reversed_comparison): New.
8936 (combine_simplify_rtx): Use
8937 combine_reversed_comparison_code/reversed_comparison instead
8938 of reversible_comparison_p.
8939 (simplify_if_then_else): Likewise.
8940 (simplify_set): Likewise.
8941 (simplify_logical): Likewise.
8942 (if_then_else_cond): Likewise.
8943 (known_cond): Likewise.
8944 (simplify_comparison): Likewise.
8946 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8948 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8949 sizeof (int) is larger than sizeof(__word__).
8951 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8953 * cppinit.c (do_includes): Fix typo.
8955 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8957 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8958 in S_REGS does not occur because not all sources are possible
8959 when a S_REGS is a destination (sometimes needs a clobber).
8960 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8961 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8962 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8963 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8964 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8965 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8966 (lshrdi_const1, lshrsi3_const16): Likewise.
8967 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8968 (*movhi_68hc12, *movqi_68hc12): Likewise.
8969 (movstrictqi): Make sure reloading in D_REGS as a destination
8972 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8974 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8976 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8978 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8979 -D, -U and -A, and don't initialize the builtins.
8980 (do_includes): Error if -include or -imacros with -fpreprocessed.
8981 * cppmain.c (cb_define, cb_undef): Unconditionally process
8983 * tradcpp.c (main): Fix typo.
8985 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8987 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8988 (read_name_map): Use IS_ABSOLUTE_PATH.
8989 * tradcpp.c (get_filename): Likewise.
8991 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8993 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8994 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8995 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8996 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8997 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8998 (cmphi_z_used): Don't use '@' for the output.
8999 (tstqi_z_used): Likewise.
9000 (cmpqi_z_used): Likewise.
9001 (one_cmplsi2): Likewise.
9003 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9005 * config/sh/sh.c (barrier_align): Recognize branch around far
9006 branch and redundant insn.
9008 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9010 * invoke.texi: Restore documentation of the drivers' switches -MD
9013 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9015 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
9017 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
9018 check-objc//%): Support parallel testing of multilibs.
9019 (TESTSUITEDIR): Set to testsuite by default, but override for
9021 (check-gcc, check-g++, check-g77, check-objc): Enter
9024 2001-01-11 Bernd Schmidt <bernds@redhat.com>
9026 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
9027 * sched-deps.c (deps_may_trap_p): Likewise.
9028 * basic-block.h: Remove a comment.
9029 * flow.c (PROP_POSTRELOAD): Remove.
9030 (update_life_info): Don't add it to prop_flags.
9031 (mark_set_1): Lose the code that was enabled by it.
9033 2001-01-11 Michael Hayes <mhayes@redhat.com>
9035 * flow.c (flow_call_edges_add): New.
9036 * basic_block.h (flow_call_edges_add): New.
9038 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
9040 * reload1.c (move2add_note_store): Update reg_set_luid even if
9041 base reg remains the same.
9043 2001-01-10 Nick Clifton <nickc@redhat.com>
9045 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
9046 machine_function structure to zero.
9047 Add prototypes for machine_status functions.
9049 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9051 * c-common.h (CTI_VOID_LIST): Remove.
9052 (void_list_node): Likewise.
9053 * tree.h (TI_VOID_LIST_NODE): New enumeral.
9054 (void_list_node): New macro.
9055 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
9056 * config/i386/i386.c (ix86_init_builtins): Likewise.
9057 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
9059 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9061 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
9062 * cppinit.c (cpp_start_read): Update comment, remove unneeded
9064 * tradcpp.c: Include mkdeps.h.
9065 (deps, print_deps_phony_targets, deps_append, output_deps,
9066 init_dependency_output, output_deps): New.
9067 (deps_buffer, deps_allocated_size, deps_size, deps_column,
9068 deps_output): Delete.
9069 (print_deps_missing_files): Rename deps_missing_files.
9070 (inhibit_output): Make global.
9071 (main): Delete inhibit_output, deps_stream, deps_target.
9072 Use mkdeps functionality in the same way as cpplib. Remove
9073 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
9074 -M and -MM. Remove old handling of deps via deps_out, and
9075 old reading of environment variables.
9076 (get_filename): Update to use deps_add_dep.
9078 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9080 * output.h (make_function_rtl): Remove prototype.
9081 (make_decl_rtl): Likewise.
9082 * varasm.c (make_function_rtl): Remove.
9083 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
9084 than from a third parameter.
9085 * tree.h (make_decl_rtl): Remove last parameter.
9086 * c-decl.c (builtin_function): Remove last argument in call to
9087 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
9088 (start_function): Likewise.
9089 * except.c (call_get_eh_context): Likewise.
9090 * expr.c (emit_block_move): Likewise.
9091 (clear_storage): Likewise.
9092 * profile.c (output_func_start_profiler): Likewise.
9093 * toplev.c (rest_of_decl_compilation): Likewise.
9094 * objc/objc-act.c (create_builtin_decl): Likewise.
9095 (synth_module_prologue): Likewise.
9096 (generate_static_reference): Likewise.
9097 (build_selector_reference_decl): Likewise.
9098 (build_class_reference_decl): Likewise.
9099 (build_objc_string_decl): Likewise.
9100 (build_protocol_reference): Likewise.
9102 2001-01-10 Richard Henderson <rth@redhat.com>
9104 * hwint.h: Revert yesterday's change.
9106 2001-01-10 Nick Clifton <nickc@redhat.com>
9108 * function.h (save_machine_status): Delete.
9109 (restore_machine_status): Delete.
9110 Amend comment describing {init|mark|free}_machine_status.
9112 * function.c (save_machine_status): Delete.
9113 (restore_machine_status): Delete.
9114 Amend comment describing {init|mark|free}_machine_status.
9115 (push_function_context_to): Remove invocation of
9116 save_machine_status.
9117 (pop_function_context_from): Remove invocation of
9118 restore_machine_status.
9120 * emit-rtl.c (init_emit_once): Amend comment describing
9121 {init|mark|free}_machine_status.
9123 * tm.texi (Per-Function Data): New node. Describe the
9124 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
9127 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9129 * cppinit.c (OPT_g): Remove.
9130 (cpp_handle_option): Update for removed -g3.
9131 (print_help): Update.
9132 * cpplib.h (struct cpp_options): Remove debug_output.
9133 * cppmain.c (setup_callbacks, cb_define): Update.
9134 * gcc.c (cpp_options): Translate -g3 to -dD.
9136 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
9138 * config/i960/i960.md: Change modifier to + on the zero_extract
9139 pattern after the (rotate -2 reg) canonicalization pattern.
9141 2001-01-10 Richard Henderson <rth@redhat.com>
9143 * config/alpha/alpha.c (alpha_free_machine_status): New.
9144 (override_options): Install it.
9145 (alpha_mark_machine_status): Verify machine non-null.
9146 * config/i386/i386.c (ix86_free_machine_status): New.
9147 (override_options): Install it.
9148 (ix86_init_machine_status): Use xcalloc.
9149 (ix86_mark_machine_status): Verify machine non-null.
9150 * config/ia64/ia64.c (ia64_free_machine_status): New.
9151 (ia64_override_options): Install it.
9152 (ia64_mark_machine_status): Verify machine non-null.
9154 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
9156 * function.c (instantiate_virtual_regs): Instantiate virtual
9157 registers found in CALL_INSN_FUNCTION_USAGE.
9159 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9161 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
9162 equivalent to -ansi in disabling -Di386.
9164 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
9166 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
9168 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
9170 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
9172 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
9174 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9176 * invoke.texi: Document that -fcond-mismatch isn't supported for
9179 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9181 * gcc.texi: Define macro gcctabopt.
9182 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
9183 @command, @env and @option in some places where appropriate. Use
9184 @gcctabopt where appropriate. Put URLs and email addresses inside
9187 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
9189 * gcc.c (cpp_options): Set MD file name from output
9190 filename, if specified.
9191 (suffix_subst): New static variable.
9192 (do_spec): Clear it.
9193 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9195 (give_switch): Handle suffix_subst.
9197 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9199 * invoke.texi: Fix another typo.
9201 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9203 * invoke.texi: Fix typo.
9205 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9207 * c-lang.c (lang_hooks): Update.
9208 (lang_decode_option): Remove.
9209 (lang_init_options): Rename c_init_options.
9210 * toplev.c (main): Use lang_hooks for lang_init_options
9211 and lang_decode_option.
9212 * toplev.h (lang_hooks): Add 2 new hooks.
9213 * tree.h: Remove lang_init_options and lang_decode_option.
9214 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
9215 * cp/decl2.c: Similarly.
9216 * cp/lex.c (lang_init_options): Rename cxx_init_options.
9217 (lang_hooks): Update.
9218 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
9220 (lang_init_options): Rename ffe_init_options.
9221 (lang_hooks): Update.
9222 (lang_decode_option): Remove.
9223 * java/lang.c (lang_init_options): Rename java_init_options.
9224 (lang_decode_option): Rename java_decode_option.
9225 (lang_hooks): Update.
9226 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
9227 (lang_decode_option): Rename objc_decode_option.
9228 (lang_hooks): Update.
9230 2001-01-09 Nick Clifton <nickc@redhat.com>
9232 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
9233 (d30v_return_addr_rtx): Delete.
9234 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
9235 cfun->machine structure.
9236 (struct machine_function): Move to d30v.h
9237 (d30v_save_machine_status): Delete.
9238 (d30v_restore_machine_status): Delete.
9239 (d30v_init_machine_status): New Function.
9240 (d30v_mark_machine_status): New Function.
9241 (d30v_free_machine_status): New Function.
9242 (d30v_init_expanders): Use new functions.
9243 (d30v_return_addr): Use ra_rtx field in cfun->machine.
9244 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
9245 d30v_return_addr_rtx.
9247 * config/d30v/d30v.h (struct_machine): Move here.
9248 Add eh_epilogue_sp_ofs field.
9250 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
9251 field in cfun->machine structure.
9253 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
9255 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
9256 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
9257 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9259 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
9261 * objc/lang-options.h: Remove bogus reference to
9264 2001-01-09 Kazu Hirata <kazu@hxi.com>
9266 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
9269 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
9271 * reload.c (find_reloads_address): Check for eliminable registers
9272 when substituting a constant expression for a pseudo.
9274 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
9276 * c-common.c (enum format_type): Add format_type_error.
9277 (decode_format_type): New function.
9278 (decl_attributes): Use it.
9279 (format_kind_info): Adjust comment.
9281 2001-01-09 David O'Brien <obrien@BSDi.com>
9283 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9284 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9286 * config/i386/gnu.h: Don't include required platform specific .h files,
9287 tm.h will do it instead.
9288 * config/i386/i386elf.h: Likewise.
9289 * config/i386/linux.h: Likewise.
9290 * config/i386/moss.h: Likewise.
9291 * config/mips/gnu.h: Likewise.
9293 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9295 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9296 (rs6000-ibm-aix3.[01]*): Likewise.
9297 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9298 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9299 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9300 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9301 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9302 (powerpc-*-eabiaix*): Likewise.
9303 (powerpc-*-eabisim*): Likewise.
9304 (powerpc-*-elf*): Likewise.
9305 (powerpc-*-eabi*): Likewise.
9306 (powerpc-*-rtems*): Likewise.
9307 (powerpc-*-linux*libc1): Likewise.
9308 (powerpc-*-linux*): Likewise.
9309 (powerpc-wrs-vxworks*): Likewise.
9310 (powerpcle-wrs-vxworks*): Likewise.
9311 (powerpcle-*-sysv*): Likewise.
9312 (powerpcle-*-elf*): Likewise.
9313 (powerpcle-*-eabisim*): Likewise.
9314 (powerpcle-*-eabi*): Likewise.
9315 (powerpcle-*-solaris2*): Likewise.
9316 * config/rs6000/aix31.h: Delete includes.
9317 * config/rs6000/aix3newas.h: Likewise.
9318 * config/rs6000/aix41.h: Likewise.
9319 * config/rs6000/aix43.h: Likewise.
9320 * config/rs6000/beos.h: Likewise.
9321 * config/rs6000/rtems.h: Likewise.
9322 * config/rs6000/sysv4.h: Likewise.
9324 2001-01-09 Kazu Hirata <kazu@hxi.com>
9326 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9327 Change an argument mode of machine_mode to shift_mode of
9328 shift_mode. Remove an extra error check.
9329 (emit_a_shift): Adopt to the new calling prototype of
9331 (function_prologue): Fix code for a monitor
9332 function. Support H8/S.
9333 (function_epilogue): Do not output pop for a monitor function.
9335 2001-01-09 Nick Clifton <nickc@redhat.com>
9337 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9338 (setup_incoming_varargs): Use sysv_varargs_p field of the
9339 cfun->machine structure.
9340 (struct machine_function): Move to rs6000.h
9341 (rs6000_save_machine_status): Delete.
9342 (rs6000_restore_machine_status): Delete.
9343 (rs6000_init_machine_status): New Function.
9344 (rs6000_free_machine_status): New Function.
9345 (rs6000_init_expanders): Use new functions.
9347 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9349 (struct machine_function): Move here.
9351 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9352 sysv_varargs_p field of the cfun->machine structure.
9354 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9356 (rs6000_restore_machine_status): Remove prototype.
9358 2001-01-09 Richard Henderson <rth@redhat.com>
9360 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9361 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9362 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9363 (sched_analyze_2, sched_analyze_insn): Likewise.
9364 (sched_analyze, init_deps): Likewise.
9365 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9366 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9367 (compute_block_backward_dependences): Update propagate_deps call.
9369 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9371 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9373 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9375 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9376 (cpp_handle_option): Handle them.
9377 (cpp_post_options): Ensure one of -M or -MM is specified with
9378 any other -M? option.
9379 (init_dependency_output): Suppress output with -MG.
9381 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9384 * invoke.texi: Update.
9386 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9388 * sh.md (reload_outsf): Generate recognizable patterns for
9391 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9393 * c-lang.c (lang_hooks): Update.
9394 (lang_init): Rename c_init.
9395 (lang_finish): Remove.
9396 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9398 * toplev.h (lang_hooks): Add init () and finish ().
9399 * tree.h (lang_init, lang_finish): Remove.
9400 * cp/tree.h (lang_init, lang_finish): Remove.
9401 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9402 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9404 (lang_init, lang_finish): Remove.
9405 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9406 (lang_hooks): Update.
9407 * java/lang.c (lang_init): Rename java_init.
9408 (lang_finish): Remove.
9409 (lang_hooks): Update.
9410 * objc/objc-act.c (lang_init): Rename objc_init.
9411 (lang_finish): Remove.
9412 (lang_hoooks): Update.
9414 20001-01-09 Graham Stott <grahams@redhat.com>
9416 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9417 after `ptr` is initialised.
9419 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9421 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9422 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9423 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9424 stack adjusts, instead of r3.
9426 2001-01-09 Michael Hayes <mhayes@redhat.com>
9428 * flow.c (flow_loop_scan): Break out of ...
9429 (flow_loops_find) ... here.
9430 * basic-block.h (flow_loop_scan): New.
9431 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9432 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9434 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9436 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9438 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9439 realloc()ing macro_buffer.
9441 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9442 if it's wider than long and the target's long is wider than the
9445 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9447 Remove support for using UWIN as a host machine.
9448 * configure.in: Issue an error message.
9449 * configure: Regenerated.
9450 * config.gcc: Remove xm_* UWIN configury.
9451 * config/i386/xm-uwin.h: Remove.
9453 2001-01-08 Nick Clifton <nickc@redhat.com>
9455 * config/v850/v850.c (ra_rtx): Delete.
9456 (v850_save_machine_status): Delete.
9457 (v850_restore_machine_status): Delete.
9458 (v850_init_machine_status): New function.
9459 (v850_mark_machine_status): New function.
9460 (v850_free_machine_status): New function.
9461 (v850_return_addr): Use ra_rtx field in machine structure.
9462 (v850_init_expanders): Use new functions.
9464 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9465 * config/v850/v850.c: Change arguments to v850_output+* functions
9466 to take a const char *, to avoid compile time warning.
9467 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9468 (USER_LABEL_PREFIX): Redefine.
9470 2000-01-08 Jim Wilson <wilson@redhat.com>
9472 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9473 1 to unsigned HOST_WIDE_INT before left shift.
9475 2001-01-08 Nick Clifton <nickc@redhat.com>
9477 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9478 the machine structure has been allocated.
9479 (arm_free_machine_status): New function: Free the machine
9480 specific function structure.
9482 2001-01-08 Richard Henderson <rth@redhat.com>
9484 * jump.c (simplejump_p): Revert last change.
9486 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9488 * cppinit.c (init): Rename init_library.
9489 (cpp_create_reader): Update.
9490 * gcc.c (cpp_options): If -o given, use it as the target of
9493 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9495 * arm.c (arm_arch5e): New variable.
9496 (all_cores): XScale is a 5TE device.
9497 (arm_override_options): Set arm_arch5e.
9498 (arm_init_builtins): __builtin_prefetch is in arch5e.
9499 * arm.h (arm_arch5e): Declare it.
9501 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9503 * arm.md (define_constants): Add defines for UNSPEC and
9504 UNSPEC_VOLATILE insns. Update all users.
9505 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9506 * arm.c (multi_register_push, note_invalid_constants)
9507 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9508 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9509 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9511 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9513 * jump.c (jump_optimize_1): Use reversed_comparison_code
9514 instead of can_reverse_comparison_p.
9515 (jump_back_p): Likewise.
9516 (invert_exp_1): Likewise.
9517 (thread_jumps): Likewise.
9518 * simplify-rtx.c (simplify_unary_operation): Likewise.
9519 (simplify_ternary_operation): Likewise.
9520 * cse.c (find_comparison_args): Convert to use
9521 can_reverse_comparison_p.
9522 (record_jump_equiv): Likewise.
9524 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9526 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9527 (EPILOGUE_USES): Define.
9528 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9529 automatically stack the LR if it isn't live.
9531 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9533 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9536 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9538 * ggc-page.c (max_alignment): New structure.
9539 (MAX_ALIGNMENT): New macro.
9540 (init_ggc): Use it to round up the sizes in the
9541 extra_order_size_table.
9543 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9545 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9548 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9550 * builtins.def (BUILT_IN_FPRINTF): New entry.
9552 * c-common.c (c_expand_builtin_fprintf): New function.
9553 (init_function_format_info): Handle __builtin_fprintf.
9554 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9555 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9557 * c-decl.c (duplicate_decls): Adjust comment.
9559 * extend.texi (fprintf): Document new builtin.
9561 2001-01-07 Richard Henderson <rth@redhat.com>
9563 * jump.c (simplejump_p): Recognize any single_set jump
9566 2001-01-07 Richard Henderson <rth@redhat.com>
9568 * configure.in (slibdir): Accept an --with-slibdir option.
9569 Use "test" not "[" in configure. Default to $(libdir).
9571 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9573 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9574 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9575 (SHLIB_LINK): Create links for the soname.
9576 * config/mips/t-iris6: Likewise.
9577 * config/sparc/t-slibgcc: Likewise.
9578 * config/sparc/t-slibgcc-sld: Likewise.
9580 2001-01-07 Jakub Jelinek <jakub@redhat.com>
9582 * config/i386/i386.c (constant_call_address_operand): Accept
9583 (const (plus (symbol_ref) (const_int))).
9584 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9585 constant_call_address_operand.
9587 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9589 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9590 and LONG_LONG_TYPE_SIZE > 32.
9592 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9594 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9595 the previous change.
9597 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9599 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9601 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9602 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9603 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9606 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9608 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9610 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9612 * c-lang.c (c_post_options): Call cpp_post_options.
9613 * objc/objc-act.c (objc_post_options): Similarly.
9614 * cppmain.c (main): Similarly.
9615 * fix-header.c (read_scan_file): Similarly.
9616 * cppinit.c (cpp_start_read): Move option consistency checks
9617 to cpp_post_options. Don't call init_dependency_output.
9618 If needed, add default target and main file dependency.
9619 (OPT_MD, OPT_MMD): Remove.
9621 (cpp_handle_option): Update for OPT_* changes.
9622 (cpp_post_options): New.
9623 (init_dependency_output): Command line -MF overrides environment
9624 variables. Don't set default target etc. Suppress output
9625 if dependencies are going to stdout.
9626 (print_help): Update.
9627 * cpplib.h (cpp_post_options): New.
9628 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9630 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9632 * jump.c (comparison_dominates_p): Support unordered compares.
9634 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9636 * simplify-rtx.c (simplify_relational_operation): Always simplify
9637 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9640 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9642 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9643 (nonzero_bits): Likewise.
9644 (simplify_comparison): Likewise.
9645 (num_sign_bit_copies): Likewise; return more sane value depending
9646 on STORE_FLAG_VALUE.
9647 (known_cond): Do not assume EQ to be always true for equivalent
9650 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9652 * cse.c (fold_rtx): Handle unordered comparisons.
9654 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9656 * rtlanal.c (set_of_1): New static function.
9657 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9658 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9659 reg_set_last_last_regno): Remove.
9660 (set_of): New global function.
9661 (set_of_data): New structure.
9662 (reg_set_p, reg_set_last): Revamp for set_of.
9663 * rtl.h (set_of): New.
9665 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9667 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9668 * extend.texi: Document _Exit builtin.
9670 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9672 * (initialize, initialize_builtins,
9673 initialize_dependency_output, initialize_standard_includes):
9674 Rename s/initialize/init. Update.
9675 (init_dependency_output): Move to after
9676 cpp_handle_options, the correct location temporally at least.
9677 (opt_comp): Move next to init (), its caller. Fix prototype.
9678 (init): Make "initialized" local scope.
9679 (cpp_create_reader): Always call init ().
9680 (cpp_start_read): Update.
9681 (output_deps): New function, broken out of cpp_finish.
9682 (cpp_finish): Break out output_deps.
9684 2001-01-07 Richard Henderson <rth@redhat.com>
9686 * collect2.c (COFF specific stuff): Revert 12-06 patch
9687 to prototype system functions.
9689 2001-01-07 Michael Hayes <mhayes@redhat.com>
9691 * hard-reg-set.h: Add multiple include guard.
9692 * basic-block.h (struct loop): Add `sink' field.
9693 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9694 (emit_iv_add_mult): Delete.
9695 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9696 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9697 (unroll_loop): Remove end_insert_before argument.
9698 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9699 (maybe_eliminate_biv_1): Likewise.
9700 (emit_iv_add_mult): Delete.
9701 (gen_add_mult, loop_regs_update): New.
9702 (loop_insn_emit_after, loop_insn_emit_before): New.
9703 (loop_insn_sink, loop_insn_sink_or_swim): New.
9704 (emit_iv_add_mult): Delete.
9705 (scan_loop): Set loop->sink.
9706 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9707 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9708 (maybe_eliminate_biv_1): Likewise.
9709 (maybe_eliminate_biv_1): Add basic block argument.
9710 * unroll.c (unroll_loop): Remove end_insert_before argument.
9711 (find_splittable_regs): Likewise.
9712 (find_splittable_regs): Use loop_insn_sink and its ilk.
9713 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9715 2001-01-07 Michael Hayes <mhayes@redhat.com>
9717 * loop.h (loop_insn_hoist): New prototype.
9718 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9719 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9720 (check_dbra_loop, load_mems): Likewise.
9721 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9722 (find_splittable_givs): Likewise.
9724 2001-01-07 Michael Hayes <mhayes@redhat.com>
9726 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9728 2001-01-07 Richard Henderson <rth@redhat.com>
9730 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9732 2001-01-07 Richard Henderson <rth@redhat.com>
9734 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9735 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9736 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9737 variant that handles a shared libgcc.
9738 (process_command): Always validate -{static,shared}-libgcc.
9739 (do_spec_1): New 'M' case.
9740 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9742 2001-01-07 Richard Henderson <rth@redhat.com>
9744 * Makefile.in (slibdir): New variable.
9745 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9746 (installdirs): Create slibdir.
9747 (install-libgcc, install-multilib): Defer to libgcc.mk.
9748 * configure.in (slibdir): Substitute.
9749 * mklibgcc.in (install): New target.
9751 * config/t-linux (SHLIB_LINK): Create links for the soname.
9752 (SHLIB_INSTALL): New.
9753 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9754 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9755 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9756 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9757 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9759 2001-01-07 Richard Henderson <rth@redhat.com>
9761 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9762 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9763 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9765 2001-01-07 Michael Hayes <mhayes@redhat.com>
9767 * loop.c (count_loop_regs_set): Delete.
9768 (load_mems_and_recount_loop_regs_set): Delete.
9769 (loop_regs_scan): Merge common code from count_loop_regs_set,
9770 scan_loop, and load_mems_and_recount_loop_regs_set.
9771 (scan_loop): Call load_mems directly and loop_regs_scan
9772 again if new registers created.
9774 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9776 * toplev.c (main): Call the front-end specific post_options
9777 hook if one is given.
9778 * toplev.h (struct_lang_hooks, lang_hooks): New.
9779 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9780 for the C front end.
9781 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9782 lang_hooks for the C++ front end.
9783 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9784 lang_hooks for the ObjC front end.
9785 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9786 * java/lang.c (lang_hooks): Hooks for the Java front end.
9788 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9790 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9791 for verbose DWARF[2] debugging.
9792 (cb_define, cb_undef): The new callbacks.
9793 * toplev.h (debug_define, debug_undef): Make const correct.
9794 * toplev.c (debug_define, debug_undef): Similarly. Do not
9795 perform the verbosity tests here anymore.
9797 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9799 * reload.c (subst_reloads): Take INSN argument. When
9800 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9801 * reload.h (subst_reloads): Adjust prototype.
9802 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9803 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9804 present in JUMP_INSNs and copy them to JUMP_LABEL.
9805 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9806 JUMP_INSNs and insns with REG_LABELs that are followed by
9807 JUMP_INSNs with the same REG_LABEL.
9808 * sched-rgn.c (is_cfg_nonregular): Likewise.
9809 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9811 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9813 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9815 2001-01-06 Richard Henderson <rth@redhat.com>
9817 * loop.c (scan_loop): Use xcalloc for the regs array.
9818 (load_mems_and_recount_loop_regs_set): Zero the new memory
9819 received from xrealloc.
9821 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9823 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9825 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9827 * integrate.c (copy_rtx_and_substitute): When copying
9828 an ignored return value, strip REG_FUNCTION_VALUE_P.
9830 2001-01-06 Michael Hayes <mhayes@redhat.com>
9832 * loop.c (debug_biv, debug_giv): New.
9833 (loop_biv_dump): Break out from ...
9834 (record_biv): ... here.
9835 (loop_giv_dump): Break out from ...
9836 (record_giv): ... here.
9837 (loop_bivs_check): Use print_simple_rtl.
9838 * unroll.c (loop_iterations): Use print_simple_rtl.
9840 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9842 * pa.md (return, return_internal): Modify patterns to prevent regrename
9843 mucking with the return pointer.
9845 2001-01-05 Richard Henderson <rth@redhat.com>
9847 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9849 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9851 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9852 version supplied by Matteo Frigo.
9854 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9856 * cpp.texi: Update for -MQ.
9857 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9858 (cpp_cleanup): Always free pfile->deps.
9859 (initialize_dependency_output): Don't create pfile->deps.
9860 (cpp_handle_option): Similarly.
9862 * gcc.c (cpp_options): Handle -MQ.
9863 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9864 * mkdeps.c (base_name): Remove.
9865 (deps_init): Don't allocate vector space until it's needed.
9866 (deps_free): Only free vectors if allocated.
9867 (deps_add_target, deps_add_dep): Update for initial allocation.
9868 (deps_add_default_target): Don't strip to the base_name.
9870 2001-01-05 DJ Delorie <dj@redhat.com>
9872 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9873 (INIT_EXPANDERS): Define.
9875 * config/v850/v850.c (struct machine_function): Define.
9876 (v850_save_machine_status): New function.
9877 (v850_restore_machine_status): New function.
9878 (v850_return_addr): New function.
9879 (v850_init_expanders): New function.
9881 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9882 and v850_init_expanders.
9884 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9886 * cpplib.h (struct cpp_reader): Add help_only field.
9887 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9888 (cpp_handle_option): Set pfile->help_only if we see -h,
9889 --help, -target-help, or --version. Print version string but
9890 do not set help_only if we see -v or -version. Make text
9891 printed by -v match that printed by (-)-version.
9893 * cppmain.c (main): Exit after option parsing if
9894 pfile->help_only is true.
9896 * toplev.c (independent_decode_option): Call print_version,
9897 then exit, if we see --version (but not -version).
9898 (print_version): Split lengthy message into two lines.
9900 2001-01-05 Nick Clifton <nickc@redhat.com>
9902 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9903 temporary string for initialisation before calling ggc_alloc_string.
9905 2001-01-06 Michael Hayes <mhayes@redhat.com>
9907 * rtl.h (print_simple_rtl): New.
9908 * print-rtl.c (print_simple_rtl): New.
9910 (print_rtx): Disable printing of flags and modes, etc.,
9911 if `flag_simple` nonzero.
9913 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9915 * function.c (fixup_var_refs): Use push_to_full_sequence where
9918 2001-01-05 Michael Meissner <meissner@redhat.com>
9920 * flags.h (flag_reorder_blocks): Add declaration.
9921 (flag_rename_block): Ditto.
9923 2001-01-05 DJ Delorie <dj@redhat.com>
9925 * function.c (reorder_blocks): Make sure the flags are all reset
9926 before using them to mark blocks, else a second invocation will
9927 corrupt the block chain.
9928 (reorder_blocks_0): New, resets the flags.
9930 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9932 * cse.c (find_comparison_args): Stop if the argument is known to
9935 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9937 * config/sh/sh.md (movdf): When splitting load into pair of
9938 registers, don't clobber the register used in the address too
9941 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9943 * varasm.c (mark_constant_pool): Improve initial comments.
9944 (mark_constants): Move marking of constants to mark_constant.
9945 (mark_constant): New function to recursively mark all constants
9946 referred to by a constant.
9948 2001-01-05 Catherine Moore <clm@redhat.com>
9950 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9952 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9954 * cp/lang-options.h: Bring comment in line with reality.
9955 * f/lang-options.h: Likewise.
9956 * java/lang-options.h: Likewise.
9957 * objc/lang-options.h: Likewise.
9958 * ch/lang-options.h: Likewise.
9959 * f/g77.texi: And update the manual.
9961 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9962 Denis Chertykov <denisc@overta.ru>
9964 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9965 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9966 * config/avr/avr.md (all peepholes that request a scratch register):
9967 Call it, FAIL the peephole if not safe (in interrupt functions).
9969 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9971 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9973 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9975 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9977 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9978 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9979 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9980 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9981 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9983 * extend.texi: Document these builtins.
9985 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9987 * c-common.c (lang_get_alias_set): Say we know nothing of
9988 VECTOR_TYPE aliasing.
9990 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9992 2001-01-05 Bruce Korb <bkorb@gnu.org>
9994 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9995 their x* equivalent versions for atexit-less systems
9996 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9997 systems (or any other system any more).
9999 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
10001 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
10002 output operands. Use arm_hard_register_operand for operand 4.
10003 (stmsi_postinc): Similarly.
10004 (ldmsi): Use arm_hard_register_operand for opernand 2.
10005 (stmsi): Similarly.
10006 * arm.c (arm_hard_register_operand): New function.
10007 * arm-protos.h (arm_hard_register_operand): Prototype it.
10009 * arm.h (HARD_REGNO_RENAME_OK): Define.
10011 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
10013 * simplify-rtx.c (cfc_args): add "unordered" field.
10014 (check_fold_consts): Set unordered field.
10015 (simplify_relational_operation): Simplify the unordered
10018 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
10021 * emit-rtl.c (try_split): Fix code to mark labels.
10022 * jump.c (mark_jump_label): Make global.
10023 * rtl.h (mark_jump_label): Declare.
10025 * predict.c (estimate_probability): Handle unordred comparisons.
10027 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10029 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
10030 * cppinit.c (initialize_dependency_output): Update.
10031 (cpp_finish): Output dummy targets for -MP.
10033 (cpp_handle_option): Handle -MP. Don't quote -MT options.
10034 * cpplib.h (struct cpp_options): Add deps_phony_targets.
10035 * gcc.c (cpp_options): Update to handle -MP.
10036 * mkdeps.c (deps_add_target, deps_add_default_target): Update
10037 to quote only the default target.
10038 (deps_phony_targets): Insert a preceding newline. Rename from
10039 deps_dummy_targets for consistency.
10042 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10044 * calls.c (emit_library_call_value_1): Support
10045 INIT_CUMULATIVE_LIBCALL_ARGS.
10046 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
10048 2001-01-04 Richard Henderson <rth@redhat.com>
10050 * c-decl.c (finish_struct): Detect flexible array members
10051 used in an inappropriate context.
10052 * c-typeck.c (really_start_incremental_init): Special case
10053 constructor_max_index for zero length arrays.
10054 (pop_init_level): Allow initialization of flexible array
10055 members. Deprecate initialization of zero length arrays.
10056 Don't issue missing initializer warning for flexible array
10057 members or zero length arrays.
10058 (process_init_element): Don't dereference null DECL_SIZE.
10059 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
10060 Don't abort for empty constructors. Use size_binop
10061 (output_constructor): Add commentary regarding zero length
10062 array futures. Abort if we try to initialize an array of
10063 unspecified length with a non-empty constructor in the middle
10066 * extend.texi (Zero Length): Update and clarify documentation
10067 on static initialization.
10069 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10071 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
10072 with more than 32767 words of local storage.
10074 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10076 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
10077 for 'abs', 'labs', and 'fabs'.
10078 (c4x_expand_builtin): Likewise.
10079 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
10081 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10083 * config/sh/sh.md (prget, prset): New insn types.
10084 (return delay slot): Dont' allow prset.
10085 (call, sfunc delay slot): Don't allow prget.
10086 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
10087 for prset and prget.
10089 2001-01-05 Michael Hayes <mhayes@redhat.com>
10091 * loop.h (struct loop_reg): New.
10092 (struct loop_regs): Change to use array of `struct loop_reg'.
10093 * loop.c: Replace assortment of varrays with single regs array.
10094 (count_one_set): Delete may_not_move array argument
10095 and use regs array instead. All caller's changed.
10096 (count_loop_regs_set): Delete may_not_move and single_usage
10097 arguments and use regs array instead. All caller's changed.
10098 (find_single_use_in_loop): Replace usage array argument with pointer
10099 to regs structure. All caller's changed.
10100 (loop_optimize): Delete `moved_once' array.
10102 2001-01-05 Michael Hayes <mhayes@redhat.com>
10104 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
10105 Use it instead of loop_info->has_call for scanning loop mems.
10106 (check_dbra_loop): Replace loop_info->has_call test with
10107 loop_info->has_nonconst_call.
10109 2000-01-04 Matthew Hiller <hiller@redhat.com>
10111 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
10114 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10116 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
10117 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
10119 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10121 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
10122 (flag_short_double, flag_short_wchar): Define.
10123 (c_common_nodes_and_builtins): Create many tree nodes shared
10124 between C and C++ here instead of in cp/decl.c and ...
10125 * c-decl.c (init_decl_processing): ... here.
10126 (SIZE_TYPE, WCHAR_TYPE): Don't define.
10127 (flag_short_double, flag_short_wchar): Don't define.
10128 (record_builtin_type): New function.
10129 (build_void_list_node): New function.
10130 * c-common.h (flag_short_double, flag_short_wchar,
10131 record_builtin_type, build_void_list_node): Declare.
10133 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
10135 * integrate.c (expand_inline_function): Don't put a virtual
10136 register into the reg map.
10138 * function.c (fixup_var_refs_1): If force_operand didn't put
10139 the address into the target, move it there.
10141 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10143 Special-case tree_decl/tree_list allocations.
10144 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
10145 (OBJECT_SIZE): New macro.
10146 (NUM_EXTRA_ORDER): Likewise.
10147 (extra_order_size_table): New variable.
10148 (NUM_ORDERS): New macro.
10149 (objects_per_page_table): New variable.
10150 (object_size_table): New variable.
10151 (G.pages): Use NUM_ORDERS to bound the array.
10152 (G.page_tails): Likewise.
10153 (DIV_ROUND_UP): Remove.
10154 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
10155 (alloc_page): Use OBJECT_SIZE.
10156 (size_lookup): Don't make it const.
10157 (ggc_alloc): Use OBJECT_SIZE.
10158 (ggc_set_mark): Likewise.
10159 (ggc_get_size): Likewise.
10160 (init_ggc): Set up the object_size_table, objects_per_page_table,
10161 and adjust size_lookup.
10162 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
10163 (ggc_pop_context): Use NUM_ORDERS.
10164 (clear_marks): Likewise.
10165 (sweep_pages): Likewise.
10166 (poison_pages): Likewise.
10167 (ggc_print_statistics): Use OBJECT_SIZE.
10169 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10171 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
10172 Only call array_size_for_constructor if last field and array type
10173 with no upper bound.
10175 2001-01-04 Philip Blundell <philb@gnu.org>
10177 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
10178 from bit 31 downwards, if this requires no more insns.
10179 (count_insns_for_constant): New helper function for above.
10181 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
10183 * gencodes.c (output_predicate_decls): Remove empty initializer.
10185 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10187 * tree.c (copy_node): Remove documentation about obstacks.
10188 (buidl1): Check that nobody tries to build 2-argument nodes this
10191 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10193 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
10196 * gencodes.c (output_predicate_decls): Fill empty initializer
10199 2001-01-04 Jakub Jelinek <jakub@redhat.com>
10201 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
10202 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
10204 (do_include): Handle missing headers like cpp0.
10205 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
10206 paths with first include pathname. Don't strcat to uninitialized
10209 2001-01-04 Bernd Schmidt <bernds@redhat.com>
10211 * regrename.c (regrename_optimize): Don't rename from frame pointer
10212 if frame_pointer_needed.
10213 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
10214 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
10215 (ia64_reorg): Use it instead of scheduling if ! optimize.
10216 (errata_emit_nops): Properly call asm_noperands.
10217 (ia64_sched_reorder): Finish cycle if we see an asm.
10218 (ia64_variable_issue): Clear scheduling state after asms.
10220 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
10222 * cpp.texi: Update for -MT.
10223 * cppinit.c (initialize_dependency_output): Add a default
10224 target if none has been given already.
10225 (no_tgt, OPT_MT): New.
10226 (cpp_handle_option): Handle -MT. Update -M etc.
10227 * cpplib.h (struct cpp_options): Remove deps_target.
10228 * gcc.c (cpp_options): Handle -MT.
10229 * mkdeps.c (struct deps): Move from mkdeps.h.
10230 (deps_calc_target): Rename deps_add_default_target. Add a
10231 default target if none has been specified already.
10232 * mkdeps.h (struct deps): Move to mkdeps.c.
10233 (deps_calc_target): Rename deps_add_default_target.
10235 2000-01-03 Richard Henderson <rth@redhat.com>
10237 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
10239 * c-typeck.c (push_init_level): Move checks for flexible array
10240 members and zero length arrays ...
10241 (pop_init_level): ... here. Silently discard empty initializations.
10243 * varasm.c (output_constructor): Update for sizeof change to
10244 zero-length arrays.
10246 * extend.texi (Zero Length): Clarify semantics.
10248 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10250 * configure.in (tm.h): Include isns-codes.h last.
10251 * configure: Rebuilt.
10253 2001-01-03 Richard Henderson <rth@redhat.com>
10255 * config/alpha/alpha.md (addvsi3, addvdi3): New.
10256 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
10258 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10260 * tradcpp.c (main): Make sure finclude() is called with a valid
10261 indepth value while handling -include.
10263 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10265 * gencodes.c (output_predicate_decls): New function.
10267 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
10268 even if it is not the first time machmode.h is #included.
10269 * config/sh/sh.c (fpul_operand): Declare MODE argument.
10270 * tm.texi (PREDICATE_CODES): Document predicate declarations.
10271 * gcc.texi (Copyright): Added 2001.
10273 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10275 * c-common.c (c_common_lang_init): New function. Warn if format
10276 warning options which only have effects when used with -Wformat
10277 are used without -Wformat.
10278 * c-common.h (c_common_lang_init): Declare.
10279 * c-lang.c (lang_init): Call c_common_lang_init.
10280 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10282 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10284 * configure.in: Check for the mktemp command.
10285 * configure: Regenerate.
10286 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10287 $TEMP. Create temporary files with mktemp, if available at
10288 configure time; otherwise use set -C. Remove temporary files
10291 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10293 * configure.in: Require at least texinfo 4.0. Check for whether
10294 Pod::Man is sufficiently recent to regenerate GCC manpages.
10295 * configure: Regenerate.
10296 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10298 (GENERATED_MANPAGES): Define.
10299 (generated-manpages): New target. Depend on cpp.1 as well as
10301 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10302 configure to generated-manpages or empty) rather than on the
10303 manpages directly. Remove execute permission from installed
10304 gcov.1 as well as cpp.1.
10305 * cpp.1, gcov.1: Regenerate.
10307 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10309 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10310 tree_low_cst. Allow using cmpstrsi in more cases.
10312 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10314 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10317 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10319 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10320 * Makefile.in (HOST_CFLAGS): Mention build-make.
10322 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10324 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10327 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10329 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10332 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10335 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10336 reg_base_value and reg_known_value arrays.
10337 (init_alias_analysis): Add more cases to detect known values.
10338 * sched-deps.c (deps_may_trap_p): New function.
10339 (sched_analyze_2): Use it.
10341 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10343 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10344 don't discard an ASHIFTRT if we're shifting in a wider mode.
10346 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10348 * toplev.c (rest_of_compilation): Don't print basic block information
10349 when CFG isn't up to date.
10351 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10353 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10354 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10355 (UNALIGNED_SHORT_ASM_OP): Define.
10356 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10358 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10360 * fold-const.c (fold_convert): Fix typo.
10362 2001-01-02 Richard Henderson <rth@redhat.com>
10364 * c-common.h (ASM_INPUT_P): New.
10365 * c-parse.in (asm): Set it when needed.
10366 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10367 existance of an operand.
10369 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10371 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10372 (dwarf2out_frame_debug_expr): Likewise.
10373 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10375 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10377 * i386.c (ix86_split_to_parts): Return number of part required;
10379 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10381 (ix86_split_long_move): Use number of part returned
10382 by ix86_split_to_parts
10383 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10385 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10386 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10387 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10388 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10389 (ALIGN_MODE_128): Add TFmode.
10390 (IS_STACK_MODE): Likewise.
10391 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10392 (HARD_REGNO_OK): Support TFmodes.
10393 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10394 * i386.md (scheduler definitions): Use memory operand to determine
10395 fst/fld instructions; use mode attribute to determine real mode of
10397 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10398 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10400 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10402 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10404 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10406 * expr.c (store_constructor_field): Update ALIGN before calling
10409 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10411 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10414 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10416 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10419 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10421 * c-decl.c (start_function): Don't warn on third parameter to main.
10423 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10425 * tsystem.h: Define HAVE_DECL_GETOPT.
10427 2001-01-02 Philip Blundell <pb@futuretv.com>
10429 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10432 2001-01-02 Richard Henderson <rth@redhat.com>
10434 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10436 2001-01-02 Andreas Jaeger <aj@suse.de>
10438 * c-decl.c (c_decode_option): Remove support of
10439 -Wmissing-noreturn.
10441 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10442 (W_options): Add -Wmissing-noreturn here.
10444 * flow.c: Define lang_missing_noreturn_ok_p.
10445 (check_function_return_warnings): Use it.
10447 * c-common.h: Declare lang_missing_noreturn_ok_p.
10449 * c-lang.c (c_missing_noreturn_ok_p): New function.
10450 (lang_init): Set lang_missing_noreturn_ok_p.
10452 * invoke.texi (Warning Options): Document this.
10454 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10456 * extend.texi (C++ Extensions): New node for C++ attributes;
10457 describe init_priority and com_interface.
10458 * invoke.texi: Remove -finit-priority as it now has zero effect.
10459 * install.texi: Fix xref syntax.
10460 * md.texi: Likewise.
10462 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10464 * config.gcc (sparc64-wrs-vxworks*): New case.
10465 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10467 * config/sparc/sparc.c (sparc_override_options): Do support different
10468 pointer and architecture size.
10469 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10470 (POINTERS_EXTEND_UNSIGNED): Define.
10471 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10472 (FUNCTION_MODE): Define to be Pmode.
10473 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10475 * function.c (expand_function_end): Properly handle DECL_RESULT
10476 and copy when ptr_mode != Pmode.
10477 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10479 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10481 * c-common.c (c_common_nodes_and_builtins): Set prototype
10482 parameters for __builtin_fputs, __builtin_fputc and
10483 __builtin_fwrite. Don't declare plain fputc as a builtin.
10485 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10487 * loop.c (add_label_notes): Increment the label usage count when
10488 a note is added to an insn which refers to a CODE_LABEL.
10489 * gcse.c (add_label_notes): Likewise.
10491 2001-01-01 Andreas Jaeger <aj@suse.de>
10493 * loop.c (scan_loop): Use xmalloc to allocate movables.
10495 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10497 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10498 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10499 * reload1.c (REGISTER_MOVE_COST): Likewise.
10500 * regclass.c (REGISTER_MOVE_COST): Likewise.
10501 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10502 dimension. Adjust all users.
10503 (init_reg_sets_1): Iterate on all modes.
10504 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10505 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10506 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10507 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10508 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10509 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10510 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10511 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10512 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10513 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10514 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10515 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10516 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10517 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10518 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10519 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10520 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10521 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10522 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10523 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10524 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10525 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10526 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10527 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10528 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10529 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10530 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10532 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10534 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10535 arg VARIES_P. Call it with extra arg.
10536 (true_dependence): Likewise.
10537 * rtl.h (rtx_addr_can_trap_p): Declare.
10538 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10540 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10541 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10542 pic offset table register if it's zero. All callers changed.
10543 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10545 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10547 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10548 STRING_POOL_ADDRESS_P.
10550 * config/sparc/sparc.c (input_operand): Properly test for short op.
10552 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10553 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10554 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10555 * config/sparc/elf.h: No longer include sol2.h.
10556 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10557 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10559 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10561 2001-01-01 Michael Hayes <mhayes@redhat.com>
10563 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10564 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10565 (record_initial): Likewise.
10566 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10567 (remap_split_bivs): Likewise.
10569 2001-01-01 Michael Hayes <mhayes@redhat.com>
10571 * loop.c (loop_ivs_free): New function.
10572 (strength_reduce): Break out from...
10574 2001-01-01 Michael Hayes <mhayes@redhat.com>
10576 * loop.h (struct iv): New.
10577 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10578 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10579 'reg_biv_class' fields with 'regs' and 'n_regs'.
10580 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10581 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10582 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10584 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
10586 * resource.c (mark_referenced_resources): Abort() before
10587 attempting to mark a pseudo register.
10588 (mark_set_resources): Likewise.
10590 2001-01-01 Michael Hayes <mhayes@redhat.com>
10592 * loop.h (REG_IV_CLASS): New accessor macro.
10593 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10594 * unroll.c (REG_IV_CLASS): Likewise.
10596 See ChangeLog.4 for earlier changes.