1 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3 * tm.texi (THREAD_MODEL_SPEC): Document it.
4 * gcc.c (main): Use it.
5 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
6 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
8 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10 * rtl.h (SYMBOL_REF_WEAK): New macro.
11 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
12 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
13 * rtl.texi (SYMBOL_REF_WEAK): Document it.
14 * gcc.texi: Remove wrong description.
16 2001-05-13 Mark Mitchell <mark@codesourcery.com>
18 * Makefile.in (STAMP): New macro.
19 Replace all uses of `touch' with $(STAMP).
20 * fixinc/Makefile.in: Likewise.
22 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
24 * configure.in: ldopen is never in -lexc, so don't test for it.
25 Add test for exc_resume in -lexc for Ada.
26 * configure: Regenerated.
28 2001-05-12 Richard Henderson <rth@redhat.com>
30 * dwarf2asm.c (size_of_encoded_value): New function.
31 * dwarf2asm.h: Declare it.
32 * except.c (output_function_exception_table): Align the TType
33 array only as wide as the encoding.
35 2001-05-12 Zack Weinberg <zackw@stanford.edu>
37 * extend.texi: Document #pragma GCC java_exceptions.
39 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
41 * c-parse.in (bison parser, init_reswords): Remove uses of
43 * c-tree.h (doing_objc_thang): Remove.
45 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
47 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
48 about files not ending in newlines.
50 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
52 * dwarfout.c (dwarfout_init): Add cast.
53 * sched-deps.c (sched_analyze_insn): Remove unused vars.
54 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
56 * method.c (build_mangled_C99_name): Remove unused prototype.
58 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
60 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
62 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
64 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
65 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
67 2001-05-11 Richard Henderson <rth@redhat.com>
69 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
70 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
71 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
72 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
73 (dw2_output_indirect_constants): Prototype.
74 * dwarf2out.c (dwarf2out_begin_prologue): Generate
75 current_function_func_begin_label if we'll need it for EH. Exit
76 early for IA64_UNWIND_INFO.
77 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
78 (eh_data_format_name): Update for indirect references.
79 (output_function_exception_table): Care for IA64_UNWIND_INFO.
80 Handle ASM_PREFERRED_EH_DATA_FORMAT.
81 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
82 define HAVE_eh_return etc.
83 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
84 (final_end_function): Don't call output_function_exception_table.
85 * toplev.c (compile_file): Call dw2_output_indirect_constants.
86 (rest_of_compilation): Invoke output_function_exception_table
87 for ia64 before assemble_end_function.
88 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
89 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
91 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
92 * unwind.h: Declare them.
93 * libgcc-std.ver: Export them.
94 * unwind-pe.h: New file.
96 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
98 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
100 (find_fde_for_dso): Extract DT_PLTGOT.
101 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
102 the segment and gp as well.
103 * config/ia64/frame-ia64.c: Remove file.
104 * config/ia64/frame-ia64.h: Remove file.
105 * config/ia64/unwind-ia64.c: New file.
106 * config/ia64/unwind-ia64.h: New file.
107 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
108 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
109 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
110 (ASM_PREFERRED_EH_DATA_FORMAT): New.
111 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
112 (IA64_UNWIND_INFO): Re-enable.
113 (HANDLER_SECTION): Remove.
114 (EH_RETURN_DATA_REGNO): New.
115 * config/ia64/ia64.md (exception_receiver): Remove.
116 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
117 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
119 2001-05-11 Richard Henderson <rth@redhat.com>
121 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
122 calls and jumps to be bundled together.
123 (ia64_reorg): Emit a break after a noreturn call that ends
125 * config/ia64/ia64.md (break_f): New.
127 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
129 * c-lex.c (lex_charconst): Convert into a simple wrapper
130 around cpp_interpret_charconst, to which most of the code
132 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
133 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
134 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
135 (lex): Use cpp_interpret_charconst.
136 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
137 hex_digit_value): New functions.
138 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
139 * cpplib.h (cpp_interpret_charconst): New prototype.
140 * Makefile.in: Update.
142 2001-05-12 Dean Wakerley <dean@wakerley.com>
144 * doc/install.texi: New file. Converted to texinfo from the HTML
145 documentation in wwwdocs/htdocs/install.
147 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
149 * gcse.c (insert_insn_end_bb): Do not search for assignments to
150 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
152 * toplev.c (compile_file): Move comment for opening output
153 file to just before the code that opens the output file.
155 2001-05-11 Jakub Jelinek <jakub@redhat.com>
157 * regmove.c (regmove_optimize): Suppress the optimization for
158 unchanging destination register. Add comment above function.
160 2001-05-11 Zack Weinberg <zackw@stanford.edu>
162 * Makefile.in: Exterminate all references to assert.h.
163 * cross-make: Likewise.
165 * configure.in: Correct commentary.
166 * configure: Regenerate.
168 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
171 * config/t-freebsd, config/t-linux, config/t-linux-aout,
172 config/t-netbsd, config/t-rtems, config/x-linux,
173 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
174 No need to override INSTALL_ASSERT_H.
176 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
177 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
178 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
180 2001-05-11 Graham Stott <grahams@redhat.com>
182 * combine.c (simplify_comparison): Fix typo.
184 2001-05-11 Mark Mitchell <mark@codesourcery.com>
186 * loop.h (struct movables): Remove `num'.
187 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
188 Adjust call to strength_reduce.
189 (num_unmoved_movables): New function.
190 (move_movables): Don't set movables->num.
191 (strength_reduce): Compute the number of instructions in the loop
192 here, rather than in the caller.
193 (check_dbra_loop): Always clear reversible_mem_store if there
195 (loop_regs_scan): Don't count instructions here.
196 (count_insn_in_loop): New function.
198 2001-05-11 Mark Mitchell <mark@codesourcery.com>
200 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
202 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
204 * c-common.c (finish_label_expr): New function, lifted from
206 * c-common.h (finish_label_expr, lookup_label): New prototypes.
207 * c-parse.in: Move 3 blocks of parser code into new functions.
208 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
209 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
210 (lookup_label): Remove.
212 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
214 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
215 FLOAT_BIT_ORDER_MISMATCH.
217 2001-05-10 David Edelsohn <edelsohn@gnu.org>
219 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
220 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
222 2001-05-10 David Edelsohn <edelsohn@gnu.org>
224 * expr.c (emit_group_load): extract_bit_field requires a REG or
227 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
229 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
230 a computed jump into an unconditional jump.
231 In second hunk of code for collapsing computed and conditional jumps
232 into unconditional jumps, reemit the jump in additional cases.
234 * jump.c (jump_optimize_1): Do not wrap the new jump target
235 inside a LABEL_REF; gen_jump will do that automatically.
237 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
239 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
240 contents for a SYMBOL_REF in case of floating point constants.
242 2001-05-10 DJ Delorie <dj@redhat.com>
244 * c-common.c (combine_strings): Widen strings in a
245 host-endian-independent way.
247 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
249 * c-parse.in: Remove many shift/reduce conflicts. Update
251 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
252 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
253 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
254 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
255 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
256 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
257 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
258 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
259 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
260 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
261 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
262 typespec_reserved_nonattr, typespec_reserved_attr,
263 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
264 structsp_nonattr, components_notype, component_notype_declarator,
265 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
266 firstparm, setspecs_fp): New
267 (typed_declspecs, reserved_declspecs, typed_typespecs,
268 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
269 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
270 declmods_no_prefix_attr, nonempty_type_quals, structsp,
271 type_quals): Remove. Users updated.
272 (initdecls, notype_initdecls, after_type_declarator,
273 parm_declarator, notype_declarator, absdcl1, components, ivars):
274 Don't allow attributes at the start of a declarator; include them
275 in the production containing the declarator instead. Always
276 require type specifiers before trying to redeclare a typedef name.
277 (typename): Allow for attributes but warn that they are ignored.
278 (parmlist, firstparm, setspecs_fp): Include attributes in
279 parmlist; suck them off the parser stack in firstparm using
282 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
284 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
285 to determine if a block has an unconditional jump at its end.
287 * jump.c (jump_optimize_1): When converting a conditional jump
288 to an unconditional jump, build the jump using gen_jump instead
289 of just modify operands in-place.
291 2001-05-09 Zack Weinberg <zackw@stanford.edu>
293 * cppinit.c (cpp_post_options): Shut off macro expansion if
295 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
296 IN_I directives only if the # is in column 1 and the directive
297 name begins in column 2.
298 * cppmain.c (scan_buffer): Insert a space between # and an
299 identifier, when that identifier is a directive name.
301 * tradcpp.c (struct file_buf): Add a pointer to the next entry
302 in the header search path.
303 (enum node_type): Add T_INCLUDE_NEXT.
304 (directive_table): Add entry for include_next.
305 (do_include_next): New function.
306 (process_include): New routine, broken out of do_include.
307 (finclude): Insert 'nhd' argument, to be copied into
308 next_header_dir of the new buffer.
309 (main): Adjust to match.
310 * gsyslimits.h, limity.h: Un-indent #include_next.
312 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
314 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
315 inclusion as a chapter of the GCC manual.
316 * gcc.texi: Include objc.texi.
317 * fdl.texi: Use @unnumberedsec for the addendum.
318 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
320 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
322 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
324 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
326 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
327 handling of two-address insns.
329 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
331 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
332 ../binutils/nm-new instead of ../binutils/nm.
334 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
336 * i386.md (movdi splitter): Fix the splitting condition
337 (float_extenddftf splitter): Fix mode.
339 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
341 * genrecog.c (write_switch): Avoid outputting of switch for
342 types wider than int.
344 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
346 * reload1.c (copy_eh_notes): New function.
347 (emit_input_reload_insns): Call it.
348 (emit_output_reload_insns): Call it.
350 2001-05-07 Zack Weinberg <zackw@stanford.edu>
352 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
354 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
355 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
357 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
359 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
361 * pa.md (interspace_jump): Revise comment.
362 (builtin_longjmp): Block initial setup insns from delay slot of
364 (builtin_setjmp_receiver): New expander to save and restore PIC
367 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
369 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
371 * toplev.c (compile_file): Set up the output file before we call
372 the various initializers for the compiler.
374 * except.c (sjlj_mark_call_sites): Do not search for assignments to
375 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
377 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
378 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
380 2001-05-06 Zack Weinberg <zackw@stanford.edu>
382 * Makefile.in (tradcpp0): Correct typo in dependency list.
384 2001-05-06 Geoff Keating <geoffk@redhat.com>
386 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
387 the link register if we're not going to use it.
389 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
390 (output_function_profiler): Likewise.
392 2001-05-07 Alan Modra <amodra@one.net.au>
394 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
396 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
398 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
399 zero-extend it. Make abs_inc unsigned.
401 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
402 widest mode in narrowing and widening operations.
404 * config/mips/mips.md: Sign extend CONST_INTs.
406 2001-05-06 Andreas Jaeger <aj@suse.de>
408 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
409 (i386 Options): Document -momit-leaf-frame-pointer.
411 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
413 * c-typeck.c (internal_build_compound_expr): Check for
414 array to pointer conversion just once.
416 2001-05-05 Richard Henderson <rth@redhat.com>
418 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
420 2001-05-05 Richard Henderson <rth@redhat.com>
422 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
423 to the parent of the fixup region.
425 2001-05-05 Jakub Jelinek <jakub@redhat.com>
427 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
429 * cpp.texi (__NO_INLINE): Document it.
431 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
433 * cppfiles.c (struct include_file): New member err_no.
434 (find_or_create_entry): Set it.
435 (open_file): Don't set fds to -2. Instead, use err_no to
436 remember previous errors, if any.
438 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
440 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
441 between X and Y by using sequences of xgdx and xgdy.
443 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
445 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
446 of '!' for the 'D' alternative ('!' is too strong).
447 ("*logicalsi3_silshl16"): Likewise.
448 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
449 ("movstrictsi"): Remove spurious '+'.
450 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
451 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
452 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
455 2001-05-04 David Edelsohn <edelsohn@gnu.org>
457 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
459 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
461 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
464 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
466 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
469 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
471 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
472 soft register, use ror instead of rol.
474 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
476 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
477 into account pre/post increment decrement for 68HC12.
478 Fix other problems in replacement and fix call to reg_mentioned_p.
480 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
482 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
483 Put the soft registers in bss for 68HC12.
484 (L_regs_d3_4): New for _.d3 and _.d4.
485 (L_regs_d5_6): Likewise.
486 (L_regs_d1_2): Likewise.
487 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
489 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
491 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
492 to the pre-processor when -fshort-double is specified.
493 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
495 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
497 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
498 (__mulsi3): Rewrite for 68HC12.
499 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
500 Mark 'x' constraint with earlyclobber to prevent a
501 RELOAD_FOR_OTHER_ADDRESS to go in it.
502 (mulhi3_m68hc12): New pattern.
503 (mulhi3_m68hc11): Rename of mulhi3.
504 (mulhi3): New expand for 68HC12 optimisation.
505 (umulhisi3, mulhisi3): New patterns for 68HC12.
507 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
509 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
510 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
511 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
513 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
515 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
516 constants cheap after reload.
517 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
519 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
520 so that gcc prefers a shift by 16.
521 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
523 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
525 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
527 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
529 * alpha.h: NULL_PTR -> NULL.
539 * m68hc11.h: Likewise.
540 * rs6000.h: Likewise.
551 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
553 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
554 `bool' parameter to `int'.
556 * hash.c (hash_lookup): Likewise.
558 * hash.h (hash_lookup): Likewise.
560 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
562 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
564 * i386.c (x86_initialize_trampoline): Fix mode of constant.
566 2001-05-03 Geoff Keating <geoffk@redhat.com>
568 * invoke.texi (i386 Options): Delete references to -malign-jumps,
569 -malign-loops, -malign-functions.
570 * i386.c (ix86_align_funcs): Delete.
571 (ix86_align_loops): Delete.
572 (ix86_align_jumps): Delete.
573 (override_options): Mark -malign-* as obsolete. Emulate their
574 behaviour with the -falign-* options. Default -falign-* from
576 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
577 patch of Wed May 2 13:09:36 2001.
578 (LOOP_ALIGN): Delete.
579 (LOOP_ALIGN_MAX_SKIP): Delete.
580 (LABEL_ALIGN_AFTER_BARRIER): Delete.
581 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
583 2001-05-04 Andreas Jaeger <aj@suse.de>
585 * except.h: Add prototype declaration for
586 expand_builtin_init_dwarf_reg_sizes.
588 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
590 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
592 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
594 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
596 ("bitcmpqi2"): New pattern for bit-extract and test.
597 ("bitcmphi"): New pattern for bitb/bita instructions.
599 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
601 * gccbug.in: Use a temporary directory when the mktemp command is
604 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
606 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
608 (INITIALIZE_TRAMPOLINE): Call it.
609 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
610 (TRAMPOLINE_TEMPLATE): Remove.
611 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
612 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
615 2001-05-03 David O'Brien <obrien@FreeBSD.org>
617 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
618 and crtendS.o with PIC.
620 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
622 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
624 (___subdi3, ___adddi3): Use x instead of y as index register.
625 (__init_bss_section, __map_data_section): Optimize for 68HC12.
626 (__memset, __memcpy): Likewise.
627 (regs): Put the soft registers in bss for 68HC12.
628 (abort): Use trap to abort for 68hc12.
629 (__mulhi3, __mulhi32): Use emul for 68hc12.
630 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
632 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
634 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
635 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
636 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
637 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
638 Set 68HC12 min offset to -65536.
639 (print_operand): Put parenthesis arround the operand if it refers
640 to a symbol having the same name as a register.
641 (m68hc11_z_replacement): When z register is replaced by its
642 equivalent soft register, force the insn to be re-recognized.
643 (m68hc11_check_z_replacement): Fix the test when destination is
644 the index register and z dies in the insn.
645 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
647 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
649 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
650 costs according to processor variant.
651 (m68hc11_shift_cost): New function to compute shift costs.
652 (m68hc11_rtx_costs): Define costs according to processor variant.
653 (m6811_cost): Costs for 68HC11.
654 (m6812_cost): Costs for 68HC12.
655 (COSTS_N_INSNS): Remove.
657 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
658 (DEFAULT_RTX_COSTS): Remove.
659 (CONST_COSTS): Define costs according to OUTER_CODE.
660 (processor_costs): New struct to define costs.
661 (m68hc11_cost): Pointer to current costs.
663 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
665 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
666 and use m68hc11_notice_keep_cc when using leax/leay.
667 (addhi3 split): Reject split if the insn is handled by
669 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
670 push must be handled in a special way if the source operand uses
671 sp as index register.
672 (m68hc11_notice_keep_cc): New function.
673 (m68hc11_gen_movhi): Use it when an insn changes a register but
675 (m68hc11_gen_movqi): Fix move for 68HC12.
676 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
678 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
680 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
681 and don't pass operands[0] to emit_library_call_value.
683 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
685 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
686 (zero_extendsi split): Simplify and use (zero_extendhi).
687 (*addhi3): Remove 'w' constraint since stack pointer is handled
689 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
690 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
691 (*ashrhi3_const): Fix shift by 7.
692 (*lshrsi3_const16): Fix template.
693 (call, call_value): Fix constraint and predicate.
695 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
697 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
698 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
699 (CC_REGNUM): Likewise.
700 (*unnamed splits): Use above constants instead of hard coded numbers.
701 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
702 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
703 (*return_16bit, *unnamed peepholes): Likewise.
705 2001-05-03 David O'Brien <obrien@FreeBSD.org>
707 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
708 rs6000/rs6000.h twice.
710 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
712 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
713 (CPP_SPEC): Conditionally define MSDOS and GO32.
714 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
715 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
717 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
719 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
721 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
723 2001-05-03 Mark Mitchell <mark@codesourcery.com>
725 * integrate.h (struct inline_remap): Add leaf_reg_map table.
726 * integrate.c (expand_inline_function): Use xcalloc to allocate
728 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
731 2001-05-03 Mark Mitchell <mark@codesourcery.com>
733 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
736 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
738 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
739 linker if -mrelax is given.
740 (TARGET_SWITCHES): Document -mrelax.
742 Re-installed 2001-01-09's patch:
743 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
744 if it's wider than long and the target's long is wider than the
747 2001-05-02 David O'Brien <obrien@FreeBSD.org>
749 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
750 directly include rs6000/rs6000.h. Instead do it in tm.h.
752 2001-05-02 Stan Shebs <shebs@apple.com>
754 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
755 NSConstantString for NeXT-style runtimes.
756 (STRING_OBJECT_GLOBAL_NAME): New macro.
757 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
758 OCTI_STRING_CLASS_DECL.
759 (constant_string_global_id): New macro.
760 (string_class_decl): Ditto.
761 (setup_string_decl): New function.
762 (build_objc_string_object): Use it to build a NeXT runtime
763 compatible string initializer.
765 2001-05-02 Jakub Jelinek <jakub@redhat.com>
767 * tradcpp.c (do_define): Make sure we don't walk past limit.
769 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
771 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
772 offsets if not REG_OK_STRICT.
774 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
775 (INT_REG_OK_FOR_INDEX_P): Likewise.
776 (INT_REG_OK_FOR_BASE_P): Likewise.
777 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
778 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
779 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
780 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
781 REG_OK_FOR_BASE_P. Take an additional parameter.
782 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
783 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
784 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
785 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
786 rs6000_legitimate_address() and use it.
787 * config/rs6000/rs6000.c: Update all callers.
788 (rs6000_legitimate_address): New function.
790 2001-05-02 David Edelsohn <edelsohn@gnu.org>
792 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
793 special_constant conditional blocks together.
795 2001-05-02 Dale Johannesen <dalej@apple.com>
797 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
799 (STRICT_ARGUMENT_NAMING): Define.
800 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
801 function_arg_partial_nregs, setup_incoming_varargs): Remove
802 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
805 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
807 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
809 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
812 * expr.c (store_field): Do nothing except elaborate side-effects if
815 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
817 * c-lex.c: NULL_PTR -> NULL.
819 * emit-rtl.c: Likewise.
821 * genpeep.c: Likewise.
823 * mips-tdump.c: Likewise.
824 * reload1.c: Likewise.
825 * rtlanal.c: Likewise.
827 * stor-layout.c: Likewise.
828 * toplev.c: Likewise.
830 2001-05-01 Per Bothner <per@bothner.com>
832 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
833 call do_pending_stack_adjust before emiting label.
835 2001-05-01 Mark Mitchell <mark@codesourcery.com>
837 * extend.texi: Fix typo.
839 2001-05-01 Stan Shebs <shebs@apple.com>
841 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
842 of UOBJC_MODULES_decl.
843 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
844 (generate_descriptor_table): Ditto.
845 (generate_protocols): Ditto.
846 (generate_protocol_list): Ditto.
847 (generate_classref_translation_entry): Ditto.
849 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
851 * invoke.texi (Optimize Options): Add documentation for `--param
852 max-delay-slot-insn-search' and `--param
853 max-delay-slot-live-search' and reorder --param section.
854 * params.def: Modify initial comment.
855 * params.h (param_info): Add `help' member.
856 * toplev.c (lang_independent_params): Include `help' description.
857 (display_help): Print --param parameters.
859 2001-05-01 Zack Weinberg <zackw@stanford.edu>
861 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
862 Remove references to deleted files.
863 (*-*-openbsd): No need to override xmake_file.
864 (*-*-sysv4): Treat like *-*-sysv.
866 * configure.in: Probe for ldopen in various places, and set up
867 collect2 to be linked with them if found.
868 Don't dink with Windows registry stuff unless $host_os is a
869 Win32 os name. Check to see if we need -ladvapi32.
870 * configure: Regenerate.
872 * Makefile: Get rid of CLIB and HOST_CLIB.
873 Substitute in COLLECT2_LIBS and link collect2 against its contents.
874 * build-make: Get rid of HOST_CLIB.
876 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
877 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
878 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
879 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
880 config/rs6000/x-rs6000: Delete.
882 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
885 24 x-host fragments remain, 0 x-cpu, 3 top level.
887 2001-05-01 Zack Weinberg <zackw@stanford.edu>
889 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
890 * configure: Regenerate.
892 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
894 * Makefile.in (install-headers): Remove redundant dependency.
896 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
898 * c-tree.texi (USING_STMT): Document.
900 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
902 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
903 * c-common.c: Likewise.
904 * c-decl.c: Likewise.
905 * combine.c: Likewise.
906 * rs6000.c: Likewise.
907 * except.c: Likewise.
908 * explow.c: Likewise.
910 * fold-const.c: Likewise.
911 * function.c: Likewise.
914 * integrate.c: Likewise.
916 * objc/objc-act.c: Likewise.
918 * reg-stack.c: Likewise.
919 * reload.c: Likewise.
920 * reload1.c: Likewise.
921 * simplify-rtx.c: Likewise.
923 * varasm.c: Likewise.
925 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
927 * diagnostic.def: New file.
928 * diagnostic.h (diagnostic_t): New enum.
929 * Makefile.in (diagnostic.o): Depend on diagnostic.def
931 2001-04-30 Zack Weinberg <zackw@stanford.edu>
933 * tsystem.h: Test only POSIX for availability of string.h
935 * config.gcc (all systems): If USG appeared in xm_defines,
936 change it to POSIX. If both USG and POSIX appeared, just
937 delete USG. Remove unnecessary quotes around xm_defines
939 (m68k-crds-unos*): Don't #define unos - tested nowhere.
940 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
941 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
942 powerpc-*-linux*): No need to set xm_defines - handled by
943 global settings for *-*-linux*.
945 2001-04-30 Zack Weinberg <zackw@stanford.edu>
947 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
948 Always include gstab.h, not system stab.h. Don't provide
949 default definitions of N_CATCH or N_OPT. Always use the
950 gstab.h variant of STAB_CODE_TYPE.
951 * final.c: Don't include stab.h/gstab.h at all, or provide
952 defaults for N_SLINE and N_SOL.
954 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
955 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
957 * sdbout.c: Always include gsyms.h instead of system syms.h.
959 * configure.in: No need to check for stab.h.
960 * configure, config.in: Regenerate.
961 * Makefile.in (final.o): Don't depend on gstab.h.
963 2001-04-30 Mark Mitchell <mark@codesourcery.com>
964 Richard Henderson <rth@redhat.com>
966 * extend.texi: Improve documentation of volatile asms.
968 2001-04-30 Mark Mitchell <mark@codesourcery.com>
970 * c-tree.texi: Fix thinko.
971 * gcc.texi: Likewise.
973 2001-04-30 Richard Henderson <rth@redhat.com>
975 * c-common.c (c_promoting_integer_type_p): New function, from the
976 corpse of old macro. Properly promote too-small enumerations and
977 booleans. Adjust all callers.
978 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
979 (c_promoting_integer_type_p): Declare.
980 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
981 * c-typeck.c: Likewise.
982 (default_conversion): Remove now redundant boolean check.
984 2001-04-30 Jan Hubicka <jh@suse.cz>
985 Richard Henderson <rth@redhat.com>
987 * regmove.c (try_apply_stack_adjustment): Remove now redundant
989 (combine_stack_adjustments_for_block): Don't combine stack
990 allocation followed by deallocations. Handle grow-up stacks.
992 2001-04-30 Mark Mitchell <mark@codesourcery.com>
994 * fdl.texi: New file.
995 * c-tree.texi: Use the GFDL.
996 * gcc.texi: Likewise.
998 2001-04-30 Stan Shebs <shebs@apple.com>
1000 * invoke.texi: Add a section documenting Objective-C options.
1002 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
1004 * emit-rtl.c (try_split): Copy EH notes to sequence.
1006 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1008 * regmove.c (record_stack_memrefs): Catch all references to the
1011 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
1013 * Makefile.in(stmp-fixinc): quote shell assignment values
1015 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1017 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
1021 * prefix.c: Likewise.
1023 2001-04-28 Stan Shebs <shebs@apple.com>
1025 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
1026 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
1027 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
1028 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
1030 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
1031 (NEXT_OBJC_RUNTIME): Define.
1033 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1035 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
1036 * simplify-rtx.c (simplify_gen_relational): Likewise.
1038 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
1040 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
1041 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
1043 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
1044 registers in SSE case; fix handling of the immediates.
1045 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
1046 operands to be in regsiters before reload.
1047 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
1048 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
1049 (abstf,absxf,negtf,negxf splitters): Compute
1050 properly the regnum for x86_64.
1051 (avsdf2_if_rex64): New.
1053 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
1055 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1056 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1057 into the constant pool.
1058 * jump.c (jump_optimize_1): Remove barrier successors after all
1059 the LABEL_NUSES counds have been computed.
1060 (delete_barrier_successors): When deleting a tablejump insn, also
1061 delete the jump table it uses.
1062 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1065 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
1067 * pa.c (FRP): Remove erroneous white space in macro definition.
1069 2001-04-28 Andreas Jaeger <aj@suse.de>
1071 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1073 * extend.texi: Likewise.
1074 * tm.texi: Likewise.
1076 2001-04-28 Andreas Jaeger <aj@suse.de>
1078 * md.texi: Use XX-bit instead of XXbit or XX bit where
1081 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
1083 * gcc.c (process_command): Allow -l lib in addition to -llib
1084 for POSIX compliance. This fixes PR c/2347.
1086 * invoke.texi: Update section on Link Options accordingly.
1088 2001-04-27 Zack Weinberg <zackw@stanford.edu>
1090 * function.c (purge_addressof_1): Remove the duplicate
1091 if (code == SET) block. Fold the two if (code == ADDRESSOF)
1094 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
1096 * except.c (expand_eh_region_start): Don't start a new block.
1097 (expand_eh_region_end): Don't end a block.
1098 * stmt.c (expand_end_bindings): Don't end EH blocks.
1099 (expand_decl_cleanup): Starting an EH region won't change the block.
1100 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1101 (is_eh_region): Lose.
1104 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1106 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1108 * collect2.c (main): Add `-L' case to remove duplicate entries.
1109 (is_in_args): New function to check for a duplicate argument.
1110 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1111 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1112 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1113 Define to be nonzero.
1115 2001-04-27 Andreas Jaeger <aj@suse.de>
1116 Richard Henderson <rth@redhat.com>
1118 * md.texi (Machine Constraints): Document additional i386
1119 constraints and fix description of "A".
1121 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
1123 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1125 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
1127 * except.c (get_exception_filter): word_mode, not Pmode.
1129 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1131 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1132 common to other movsf patterns. Move up so that in future
1133 people who change the other patterns will change it too.
1134 (movsf_lo_sum): Allow even for soft-float; add appropriate
1136 (movsf_high): Likewise.
1137 (movsf_high+1): Allow even for soft-float.
1139 * function.c (expand_function_end): Always clobber the
1140 return registers, even if there is no return label.
1142 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1144 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
1146 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1148 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
1149 (pushqi2_rex64, pushhi2_rex64): Add.
1151 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1153 * except.c (expand_eh_region_end_cleanup): Force pending stack
1154 adjust before emitting label that branches around cleanup code.
1156 2001-04-26 H.J. Lu (hjl@gnu.org)
1158 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1160 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1162 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1163 (ASM_OUTPUT_SECTION_NAME): Likewise.
1164 (ASM_WEAKEN_LABEL): Likewise.
1165 (UNIQUE_SECTION): Likewise.
1166 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1167 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1168 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1169 (ASM_OUTPUT_SECTION_NAME): Likewise.
1170 (ASM_WEAKEN_LABEL): Likewise.
1171 (UNIQUE_SECTION): Likewise.
1172 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1173 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1174 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1175 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1176 (ASM_FILE_START): Likewise.
1177 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1178 (ASM_DECLARE_OBJECT_NAME): Likewise.
1179 (ASM_FILE_END): Likewise.
1180 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1181 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1182 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1183 (ASM_OUTPUT_CASE_LABEL): Likewise.
1184 (ASM_OUTPUT_SKIP): Likewise.
1185 (ASM_OUTPUT_ASCII): Likewise.
1186 (ASM_OUTPUT_IDENT): Likewise.
1187 (READONLY_DATA_SECTION): Likewise.
1188 (EXTRA_SECTIONS): Likewise.
1189 (EXTRA_SECTION_FUNCTIONS): Likewise.
1190 (SELECT_RTX_SECTION): Likewise.
1191 (SELECT_SECTION): Likewise.
1193 * config/mips/linux.h (INVOKE__main): Undefine.
1194 (CTOR_LIST_BEGIN): Likewise.
1195 (CTOR_LIST_END): Likewise.
1196 (DTOR_LIST_BEGIN): Likewise.
1197 (DTOR_LIST_END): Likewise.
1198 (SET_ASM_OP): Defined it to ".dummy".
1199 (ASM_OUTPUT_DEF): Defined.
1200 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1202 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1204 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1205 assembler supports .p2align.
1207 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1209 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1211 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1213 * integrate.c (expand_inline_function): Check for error_mark_node
1216 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1218 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1221 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1223 * configure.in (configargs.h): Define thread_model.
1224 * configure: Rebuilt.
1225 * gcc.c (main): Print it with -v.
1227 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1229 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1230 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1231 * gcc.1: Regenerate.
1233 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1235 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1236 is_redundant_typedef): Use static inline instead of inline static.
1238 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1240 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1241 this directory is always searched.
1243 2001-04-25 Richard Henderson <rth@redhat.com>
1245 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1246 of registers to restore along non eh_return path.
1248 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1250 * c-format.c (check_format_info_recurse): Handle
1251 PLUS_EXPR for format string.
1253 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1255 * config/ia64/ia64.h (CC1_SPEC): Define.
1256 * config/ia64/linux.h (CC1_SPEC): Define.
1258 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1260 * emit-rtl.c (constant_subword): Also do sign extension in
1261 BITS_PER_WORD == 16 case.
1263 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1265 * loop.c (try_swap_copy_prop): Go back to checking insn.
1267 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1269 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1270 if check_mode is non-zero.
1272 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1274 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1275 out and comparison sequence has been detected, put result into
1276 proper temporary pseudo.
1278 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1280 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1281 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1282 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1283 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1284 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1285 for future reference.
1287 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1289 * except.c (reachable_handlers): Step out one level from a RESX.
1291 * except.c (struct eh_region): Rename 'last' to 'resume'.
1292 (mark_eh_region, duplicate_eh_region_1): Adjust.
1293 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1294 (build_post_landing_pads): Likewise.
1295 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1296 (expand_eh_region_end_must_not_throw): Likewise.
1297 (connect_post_landing_pads): Thread (only) regions with non-deleted
1300 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1301 registers around the cleanup.
1302 (get_exception_filter): New fn.
1303 (finish_eh_generation): Use it.
1305 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1307 * c-semantics.c (add_scope_stmt): Don't call
1308 current_scope_stmt_stack multiple times.
1310 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1311 Nathan Sidwell <nathan@codesourcery.com>
1313 Lazy __FUNCTION__ generation.
1314 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1315 RID_C99_FUNCTION_NAME): New _RIDs.
1316 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1317 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1318 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1320 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1321 (c99_function_name_decl_node, function_name_decl_node,
1322 pretty_function_name_decl_node, saved_function_name_decls):
1324 (struct language_function): Remove x_function_name_declared_p.
1325 (make_fname_decl): Remove a parameter.
1326 (declare_function_names): Remove prototype.
1327 (start_fname_decls, finish_fname_decls): Prototype.
1328 (fname_as_string): Likewise.
1329 (fname_string, fname_decl): Likewise.
1330 * c-common.c (make_fname_decl): Adjust.
1331 (struct fname_var_t): New struct.
1332 (fname_vars): New static array.
1333 (declare_function_name): Remove.
1334 (start_fname_decls, finish_fname_decls): New functions.
1335 (fname_as_string): New function from remnants of
1336 declare_function_name.
1337 (fname_string, fname_decl): New functions.
1339 * c-decl.c (c_function_name_declared_p): Remove.
1340 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1341 don't call declare_function_name. Call start_fname_decls.
1342 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1343 clobber the line number. Call finish_decl.
1344 (start_function): Call start_fname_decls.
1345 (finish_function): Call finish_fname_decls.
1346 Remove c_function_name_declared_p.
1347 (push_c_function_context): Don't push c_function_name_declared_p.
1348 (pop_c_function_context): Don't pop c_function_name_declared_p.
1349 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1350 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1351 (program): Call finish_fname_decls for C.
1352 (primary): Add VAR_FUNC_NAME.
1353 (reswords): Add slots for __FUNCTION__ et al.
1354 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1355 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1356 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1357 * c-semantics.c (prune_unused_decls): Remove.
1358 (finish_stmt_tree): Don't call prune_unused_decls.
1359 (genrtl_decl_stmt): Don't prune unused decls here.
1361 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1363 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1364 constant pool, use the pool's SYMBOL_REF instead.
1366 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1369 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1371 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1372 passing nested NOP_EXPRs to fold.
1374 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1376 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1378 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1380 * loop.c (loop_delete_insns): Add prototype.
1382 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1384 * configure.in: Remove ENABLE_STD_NAMESPACE.
1385 * config.in: Regenerated.
1386 * configure: Regenerated.
1388 2001-04-22 Stan Shebs <shebs@apple.com>
1390 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1392 * config/rs6000/xm-darwin.h: Remove file.
1394 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1396 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1397 (write_c_file_stat): Likewise.
1399 * dbxout.c (dbxout_init): Likewise.
1401 * profile.c (output_func_start_profiler): Likewise.
1403 2001-04-22 Philipp Thomas <pthomas@suse.de>
1405 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1406 require it instead of the CVS version.
1407 * cpperror.c (v_message): Put a blank before the macro
1408 body to not confuse exgettext.
1410 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1412 * flow.c (proagate_one_insn): Remove useless assignment.
1413 * jump.c (delete_insn): Tidy.
1414 * loop.c (try_copy_prop): When deleting an instruction with a
1415 REG_RETVAL note, delete the entire libcall sequence.
1416 (loop_delete_insns): New function.
1417 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1418 we're not substituting into them yet.
1420 2001-04-21 Kazu Hirata <kazu@hxi.com>
1422 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1424 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1426 * config/i960/i960.c (signed_arith_operand): Likewise.
1428 * calls.c (expand_call): Fix a comment typo.
1430 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1432 * configure.in: Probe for times, clock, struct tms, and clock_t.
1433 * configure, config.in: Regenerate.
1434 * timevar.c: Replace ifdef forest in get_time with (relatively)
1435 straightforward series of checks based on autoconf's probes.
1437 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1439 * config/pa/som.h (NM_FLAGS): Define.
1441 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1443 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1445 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1446 * ia64.c (nop_cycles_until): New function.
1447 (prev_cycle, prev_first, last_issued): New static variables.
1448 (ia64_sched_reorder): Additional arg for clock.
1449 On final scheduling pass, emit extra NOPs as needed.
1450 Set prev_first and prev_cycle.
1451 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1452 (ia64_variable_issue): Set last_issued.
1454 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1456 * config/i386/i386.c (ix86_expand_int_movcc,
1457 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1459 2001-04-20 Geoff Keating <geoffk@redhat.com>
1461 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1462 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1463 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1464 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1465 ctrdi_internal6): In the short-branch case, this insn is only 4
1466 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1468 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1470 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1471 "=u" is used together with "st" resp. "st(1)" clobber.
1473 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1475 * gcse.c (gcse_main): Fix comment typo.
1476 (delete_null_pointer_check): Likewise.
1477 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1478 * cse.c (cse_insn): Likewise.
1479 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1482 2001-04-19 Zack Weinberg <zackw@stanford.edu>
1484 * toplev.c: Excise all code for the undocumented -dm option.
1485 (float_signal): Call signal just once, unconditionally.
1487 2001-04-19 Geoff Keating <geoffk@redhat.com>
1489 * fold-const.c (fold): Use first_rtl_op rather than
1490 TREE_CODE_LENGTH when looping over parameters of a tree.
1491 Correct strange grouping in test for evaluated SAVE_EXPR.
1493 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1495 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1496 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1498 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1499 name at 32 total characters.
1500 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1501 functions in named sections -- data items can still go into unique
1502 sections, but they have normal names (ie $LIT$ and $DATA$).
1504 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1507 2001-04-19 DJ Delorie <dj@redhat.com>
1509 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1510 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1511 * config/i386/cygwin.h: Likewise.
1512 * config/i386/mingw32.h: Likewise.
1513 * config/vax/vms.h: Likewise.
1514 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1516 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1517 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1518 * config/i386/xm-cygwin.h: Likewise.
1519 * config/i386/xm-djgpp.h: Likewise.
1520 * config/i386/xm-mingw32.h: Likewise.
1521 * config/vax/xm-vms.h: Likewise.
1523 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1524 instead of OBJECT_SUFFIX.
1525 * collect2.c (find_a_file): Look for files matching the extension
1526 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1527 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1528 TARGET_EXECUTABLE_SUFFIX.
1529 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1530 (make_relative_prefix): Likewise.
1531 (convert_filename): Use TARGET_ suffixes throughout. Remove
1533 (process_command): Likewise.
1534 (do_spec_1): Likewise.
1535 * java/lang.c (init_parse): Likewise.
1537 * gcc.texi : Document four new options matching the pattern
1538 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1539 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1540 documentation for NO_AUTO_EXE_SUFFIX.
1542 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1544 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1545 that language-independent processing should not be done.
1546 * toplev.c (main): Adjust accordingly.
1548 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1549 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1551 * mips.md (reload_outputdi): Require that operand0 be a
1554 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1556 * invoke.texi (-Wshadow): Clarify.
1558 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1560 * loop.c (load_mems): Examine all the instructions in the loop
1561 before concluding that all jumps branch to the first instruction
1564 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1566 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1568 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1570 * cpp.texi (-Wwhite-space): Remove.
1571 (-Wall): -Wall does not imply -Wwhite-space.
1573 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1575 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1576 use it instead of blindly generating a .stabs.
1577 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1579 * xcoffout.c: Don't bother defining default for N_CATCH.
1580 (UNKNOWN_STAB): Use internal_error.
1581 (stab_to_sclass): Remove now-unnecessary aborts.
1582 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1584 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1586 * jump.c (mark_all_labels): Canonicalize the tail recursion
1587 label attached to CALL_PLACEHOLDER insns.
1589 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1591 * output.h (dump_flow_info, free_basic_block_vars,
1592 which_alternative): Delete redundant prototypes.
1594 * rtl.h (bss_section): Likewise.
1596 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1598 * dbxout.c (N_OPT): Define if not available from <stab.h>
1600 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1602 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1603 libraries and native K&R compilers.
1605 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * c-typeck.c (convert_arguments): Don't check for width changes
1610 * invoke.texi (-Wtraditional): Update documentation.
1612 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1614 * toplev.c (output_lang_identify): Delete.
1615 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1616 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1617 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1618 after calling ASM_FILE_END.
1620 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1621 Instead, unconditionally emit an N_OPT stab with string equal
1622 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1624 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1626 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1627 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1628 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1629 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1630 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1631 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1632 config/i370/i370.h, config/i386/beos-elf.h,
1633 config/i386/osf1elf.h, config/i386/osfrose.h,
1634 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1635 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1636 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1637 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1638 config/mips/iris6.h, config/mips/osfrose.h,
1639 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1640 config/sparc/sp64-elf.h:
1641 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1642 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1644 * config/elfos.h, config/freebsd.h, config/linux.h,
1645 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1646 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1647 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1648 of ASM_FILE_START which merely emit a .version directive. Delete
1649 definitions of ASM_FILE_END which merely emit an .ident directive.
1651 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1652 ASM_IDENTIFY_GCC and move part of its logic into
1655 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1656 config/sparc/linux-aout.h: Don't emit .version directive in
1659 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1660 (output_file_start): Correct comment.
1662 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1663 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1665 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1666 * config/rs6000/aix.h: Correct comment.
1668 * config/i386/i386afe.h: Delete.
1669 * config.gcc: Remove references to i386afe.h.
1671 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1672 other macros deleted by this patch were undocumented.
1674 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1676 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1678 * pa.c (secondary_reload_class): SAR<->FP copies require a
1681 * install.texi (mips-mips-bsd): Update list of functions
1682 required to include memmove.
1683 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1684 used functions to include memmove.
1686 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1688 * i386.md (sqrtdf2): SFmode should be DFmode.
1690 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1692 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1693 (find_moveable_store): Likewise.
1695 2001-04-15 Jim Wilson <wilson@redhat.com>
1697 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1699 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1701 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1702 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1704 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1706 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1709 2001-04-14 Alan Modra <amodra@one.net.au>
1711 * pa.c (force_mode): New function.
1712 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1714 2001-04-13 Jim Wilson <wilson@redhat.com>
1716 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1717 (first_instruction): New static variable.
1718 (rtx_needs_barrier): Return 1 for alloc.
1719 (init_insn_group_barriers): Set first_instruction.
1720 (rws_sum): Delete duplicate definition.
1721 (group_barrier_needed_p): Return 0 when first_instruction true.
1722 (safe_group_barrier_needed_p): Save and restore first_instruction
1723 around group_barrier_needed_p call.
1725 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1727 * expr.h (enum libfunc_index): Add LTI_memmove.
1728 (memmove_libfunc): Define macro.
1729 * optabs.c (init_optabs): Initialize memmove_libfunc.
1730 * expr.c (expand_assignment): Use memmove_libfunc instead of
1733 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1735 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1738 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1740 * Makefile.in (reg-stack.o): Depend on reload.h.
1741 (insn-attrtab.o): Depend on flags.h.
1743 * genattrtab (main): Include flags.h in insn-attrtab.c.
1745 * reg-stack.c: Include reload.h.
1747 * sparc.h (flag_pic): Delete redundant declaration.
1749 * output.h (flag_pic): Likewise.
1751 * tree.h (pedantic): Likewise.
1753 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1755 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1757 * jump.c, regmove.c, toplev.c: Include reload.h.
1759 * reload.h (reload_cse_regs): Declare.
1761 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1762 reload_cse_regs, init_reload, mark_home_live, reload,
1763 init_caller_save): Delete redundant prototypes.
1765 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1767 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1769 * regclass.c, ssa.c: Include expr.h.
1771 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1772 gen_move_insn): Delete redundant declarations.
1774 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1776 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1777 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1778 MAKEINFO and MAKEINFOFLAGS too.
1779 (stage4_build): Correctly order -B flags.
1781 2001-04-13 Alan Modra <amodra@one.net.au>
1783 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1784 PIC_OFFSET_TABLE_SAVE_RTX.
1785 (zdepi_cint_p): Describe zdepi insn.
1786 Formatting and white space fixes throughout file.
1788 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1789 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1790 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1791 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1792 (output_64bit_and): Use plain `int's for shift counts.
1793 (output_64bit_ior): Likewise.
1794 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1795 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1798 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1799 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1800 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1801 NEW_HP_ASSEMBLER into one. Kill warnings.
1803 * pa-gas.h: Delete file.
1804 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1805 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1806 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1807 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1809 * config/pa/mill32.S: New file.
1810 * config/pa/mill64.S: New file.
1811 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1812 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1813 * config/pa/t-linux64: New file.
1814 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1815 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1816 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1818 * elfos.h (SELECT_SECTION): Undef before defining.
1819 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1820 (LIB_SPEC): Remove -lmilli.
1821 (DBX_REGISTER_NUMBER): Remove.
1822 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1823 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1824 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1825 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1826 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1827 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1828 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1829 TARGET_GAS): Define.
1830 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1831 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1832 regs if we don't have a prototype.
1833 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1834 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1835 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1836 EH_RETURN_HANDLER_RTX): Define.
1837 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1838 (DWARF_FRAME_REGNUM): Define.
1839 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1840 * pa32-linux.h: New file.
1841 * pa64-linux.h: New file.
1843 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1844 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1845 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1846 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1847 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1848 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1849 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1850 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1851 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1852 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1853 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1854 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1855 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1856 * pa64-hpux.h: New file.
1857 (ASM_FILE_START): Correct typo.
1858 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1859 * config.gcc: Modify for above.
1861 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1863 * jump.c (jump_optimize_1): Don't delete dead stores here.
1864 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1865 prior to running jump optimize before cse2.
1867 2001-04-12 Richard Henderson <rth@redhat.com>
1869 * Makefile.in (regmove.o): Depend on except.h.
1870 * regmove.c: Include it.
1872 2001-04-12 Stan Shebs <shebs@apple.com>
1874 * objc/objc-act.c: Remove all code ifdefed with the never-used
1875 macro OBJC_INT_SELECTORS.
1876 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1877 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1879 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1881 * config/pa/quadlib.c: Add prototypes.
1883 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1885 * bitmap.h (debug_bitmap): Delete redundant prototype.
1887 * rtl.h (get_frame_size): Likewise.
1889 2001-04-12 Jim Wilson <wilson@redhat.com>
1891 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1892 to just emit an fnorm.
1894 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1896 * c-common.h (truthvalue_conversion, type_for_mode,
1897 type_for_size): Delete redundant declarations.
1899 * c-lex.h (is_class_name): Likewise.
1901 * c-tree.h (pedantic, convert, getdecls, gettags,
1902 global_bindings_p, init_decl_processing, insert_block,
1903 maybe_build_cleanup, poplevel, print_lang_decl,
1904 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1905 set_block, incomplete_type_error, build_function_call,
1906 lvalue_or_else, mark_addressable): Likewise.
1908 * expr.h (expand_tree_builtin): Likewise.
1910 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1912 * invoke.texi: Document --param max-gcse-memory.
1914 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1916 * configure.in (errno): Check for declaration.
1917 * configure, config.in: Regenerated.
1919 * system.h (errno): Only declare if not already done.
1921 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1923 * recog.c (general_operand, immediate_operand,
1924 nonmemory_operand): Require CONST_INTs to be sign-extended
1925 values for their modes.
1927 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1929 * expmed.c (store_bit_field): Truncate CONST_INTs.
1930 (expand_mult_highpart, expand_divmod): Likewise.
1931 * expr.c (convert_modes, store_field): Likewise.
1932 * integrate.c (expand_inline_function): Use promote_mode() to
1933 determine whether to convert_modes() an argument as signed
1935 * optabs.c (expand_binop): Get CONST_INT operands
1936 sign-extended for their appropriate modes.
1937 * stmt.c (emit_case_nodes): Convert node values to the
1939 (expand_end_case): Convert minval and range to the appropriate
1941 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1942 the iteration variable.
1943 * varasm.c (immed_double_const): Don't require words to be
1944 narrower than host wide ints to properly sign-extend
1947 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1949 * sh.md (builtin_setjmp_receiver): New expander.
1951 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1953 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1954 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1955 for generating CONST_INT and CONST_DOUBLE.
1957 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1959 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1960 already sign-extended.
1961 (rs6000_emit_prologue): Make register iterator signed.
1962 (rs6000_emit_epilogue): Likewise.
1963 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1965 (movsf split, movdf split): Sign-extend CONST_INTs.
1966 (movdi splits): Likewise.
1968 2001-04-12 Kelley Cook <kelley.cook@home.com>
1970 * config-lang.in (lang_dirs): Add in zlib.
1972 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1974 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1975 operands that make it to RTL.
1977 2001-04-11 Stan Shebs <shebs@apple.com>
1979 Add Darwin (Mac OS X kernel) native support.
1980 * config.gcc (powerpc-*-darwin*): Add native bits.
1981 * config/darwin.c: New file, generic Darwin support functions.
1982 * config/darwin.h: New file, generic Darwin definitions.
1983 * config/darwin-protos.h: New file, generic Darwin prototypes.
1984 * rs6000/darwin.h: New file, Darwin for PowerPC.
1985 * rs6000/t-darwin: New file, Darwin makefile fragment.
1986 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1987 (TARGET_MACHO): Ditto.
1988 (rs6000_abi): Add ABI_DARWIN.
1989 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1990 (RS6000_SAVE_AREA): Ditto.
1991 (FP_ARG_MAX_REG): Ditto.
1992 (RETURN_ADDRESS_OFFSET): Ditto.
1993 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1995 (rs6000_emit_move): Add ABI_DARWIN cases.
1996 (print_operand): Ditto.
1997 (first_reg_to_save): Ditto.
1998 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1999 (debug_stack_info): Ditto.
2000 (rs6000_emit_prologue): Ditto.
2001 (rs6000_emit_epilogue): Ditto.
2002 (output_profiler_hook): Ditto.
2003 (output_function_profiler): Ditto.
2004 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
2005 (output_mi_thunk): Add TARGET_MACHO case.
2006 (add_compiler_stub): Ditto.
2007 (output_compiler_stub): Ditto.
2008 (no_previous_def): Ditto.
2009 (output_call): Ditto.
2010 (machopic_output_stub): Ditto.
2011 (rs6000_machopic_legitimize_pic_address): Ditto.
2012 (toc_section): Ditto.
2013 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
2014 (macho_high): Ditto.
2017 (load_macho_picbase): Ditto.
2018 (call): Add TARGET_MACHO case to modify function.
2019 (call_value): Ditto.
2020 (call_nonlocal_sysv): Add ABI_DARWIN case.
2021 (call_value_nonlocal_sysv): Ditto.
2022 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
2024 (machopic_output_stub): Ditto.
2025 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
2027 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2029 * dwarf2out.c (modified_type_die): Don't create new types here.
2030 * tree.h (get_qualified_type): New function.
2031 (build_qualified_type): Adjust comment.
2032 * tree.c (get_qualified_type): New function.
2033 (build_qualified_type): Use it.
2035 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2037 * cpp.texi (-Wtraditional): Update description.
2039 * invoke.texi (-Wtraditional): Likewise.
2041 2001-04-11 Jim Wilson <wilson@redhat.com>
2043 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2044 requires more than 64 bits of alignment.
2046 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2048 * cpplib.c (do_line): Sanity check iff enable checking.
2050 2001-04-11 Richard Henderson <rth@redhat.com>
2052 * Makefile.in (insn-recog.o): Depend on toplev.h.
2053 (insn-emit.o, doloop.o): Likewise.
2054 * genrecog.c, genemit.c: Include toplev.h in generated file.
2055 * doloop.c: Include toplev.h.
2057 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2059 * Makefile.in (gcse.o): Depend on params.h.
2060 * gcse.c: Include params.h.
2061 (gcse_main): Don't do GCSE if doing so will take inordinate
2063 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2064 * params.h (MAX_GCSE_MEMORY): New macro.
2066 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2068 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
2070 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
2072 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2074 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
2076 * real.h (ereal_atof, real_value_truncate, target_isnan,
2077 target_isinf, target_negative, assemble_real, debug_real): Delete
2078 redundant prototypes.
2080 * Makefile.in (ifcvt.o): Depend on toplev.h.
2082 * c-semantics.c: Include expr.h.
2084 * ifcvt.c: Include toplev.h.
2086 * expr.h (rtx_equal_p): Delete prototype.
2088 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
2089 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
2090 eliminate_constant_term, expand_complex_abs, find_single_use,
2091 make_tree, init_expr_once, init_optabs, supports_one_only):
2094 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
2095 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
2096 expand_assignment, store_expr, emit_line_note_after,
2097 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
2099 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
2101 * sparc-protos.h: Delete redundant prototypes.
2103 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
2105 * reload.c (push_reload): Add condition missed in SUBREG byte
2108 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2110 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2112 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2114 * i386.md (floatsisf_sse): Fix output template
2115 * i386.c (ix86_expand_fp_movcc)
2117 * reg-stack.c (emit_pop_insn): Handle complex modes.
2118 (move_for_stack_reg): Emit proper move mode.
2119 (subst_stack_regs_pat): Handle complex modes.
2121 2001-04-11 Jakub Jelinek <jakub@redhat.com>
2123 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2125 2001-04-10 Richard Henderson <rth@redhat.com>
2127 * libgcc2.h (__terminate_func_ptr): Remove typedef.
2128 (__pure_virtual, __terminate, __terminate_set_func,
2129 __default_terminate, __throw_type_match, __empty,
2130 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
2131 __eh_rtime_match, __unwinding_cleanup, __rethrow,
2132 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
2133 Remove prototypes of deleted functions.
2135 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2137 * c-typeck.c (convert_arguments): -Wtraditional now activates
2138 -Wconversion warnings, except for changes in signed-ness.
2139 Detect complex<->int & int<->complex conversions as well.
2141 * invoke.texi (-Wtraditional): Document it.
2143 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2145 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
2146 * flow.c (set_block_for_new_insns): Remove needless cast and
2147 properly check for unset block number.
2149 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
2151 * function.c (purge_single_hard_subreg_set): Only check REGNO if
2152 the subreg was a hard register. Pseudos are left as subregs.
2154 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2156 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2157 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2158 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
2159 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
2160 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2162 2001-04-09 Bo Thorsen <bo@suse.co.uk>
2164 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
2166 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2168 * output.h (set_block_num): Missed it earlier, remove deprecated
2171 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2173 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
2174 (load_killed_in_block_p): Change bb parameter from int to basic_block.
2175 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
2176 (handle_rd_kill_set): Change bb parameter from int to basic_block.
2177 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
2178 (expr_killed_p): Change bb parameter from int to basic_block, pass
2179 basic_blocks instead of ints as parameters.
2180 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
2181 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
2182 from int to basic_block, pass basic_blocks instead of ints as parms.
2183 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
2184 parameter from int to basic_block, pass basic_blocks instead of ints.
2185 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
2186 (insert_insn_end_bb): Change bb parameter from int to basic_block,
2187 pass basic_blocks instead of ints.
2188 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
2189 basic_blocks instead of ints as parameters.
2190 (pre_delete): Pass basic_blocks instead of ints as parameters.
2191 (hoist_expr_reaches_here_p): Change bb parameter from int to
2192 basic_block, pass basic_blocks instead of ints.
2193 (hoist_code): Pass basic_blocks instead of ints as parameters.
2194 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
2195 Change bb parameter from int to basic_block.
2196 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
2197 (insert_insn_start_bb): Change bb parameter from int to basic_block,
2198 pass basic_blocks instead of ints.
2199 (insert_store): Pass basic_blocks instead of ints as parameters.
2200 (replace_store_insn, delete_store): Change bb parameter from int to
2201 basic_block, pass basic_blocks instead of ints.
2202 (store_motion): Pass basic_blocks instead of ints as parameters.
2204 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2206 * basic-block.h (set_new_block_for_insns): New Prototype.
2207 (set_block_num): Delete prototype.
2208 * flow.c (set_block_num): Remove obsolete function.
2209 (set_block_for_new_insns): Set BB for single or multiple insns.
2210 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
2211 (process_insn_end_bb): Use set_block_for_new_insns or
2212 set_block_for_insn instead of set_block_num.
2213 (pre_insert_copy_insn): Use set_block_for_new_insns.
2214 (update_ld_motion_stores): Use set_block_for_new_insns.
2215 (insert_insn_start_bb): Use set_block_for_new_insns.
2216 (replace_store_insn): Use set_block_for_new_insns.
2218 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2219 Jeff Law <law@redhat.com>
2221 * alias.c (get_addr): Externalize.
2222 (canon_true_dependence): New function. Behaves like true_dependance
2223 except it already assumes a MEM has been canonicalized.
2224 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2225 * gcse.c (struct ls_expr): Add load/store expressions structure.
2226 (modify_mem_list, canon_modify_mem_list): New variable.
2227 (gcse_main): Initialize & finalize alias analysis. Use enhanced
2228 load motion and store motion if requested.
2229 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2230 (free_gcse_mem): Free the modify_mem_list array.
2231 (oprs_unchanged_p): Use load_killed_in_block_p.
2232 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2233 (mems_conflict_for_gcse_p): New function. Don't kill loads
2234 with stores to themselves if its in the load/store expression list.
2235 (load_killed_in_block_p): New function.
2236 (canon_list_insert): New Function.
2237 (record_last_mem_set_info): Keep a list of all instructions which
2238 can modify memory for each basic block.
2239 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2240 (oprs_not_set_p): Use load_killed_in_block_p.
2241 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2242 (expr_killed_p): Use load_killed_in_block_p.
2243 (compute_transp): Do not pessimize memory references.
2244 (pre_edge_insert): Update stores for a load motion expression.
2245 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2246 (ldst_entry): Find or create a ldst_expr structure.
2247 (free_ldst_entry): Free memory for an individual item.
2248 (free_ldst_mems): Free entire load/store expression list.
2249 (print_ldst_list): Print debug info.
2250 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2251 (enumerate_ldsts): Assign integer values to each entry in list.
2252 (first_ls_expr): First expression in the list.
2253 (next_ls_expr): Next expression in the list.
2254 (simple_mem): Check if expression qualifies for ld/st expression list.
2255 (invalidate_any_buried_refs): Remove from expression list if its
2256 used in some other way we dont understand.
2257 (compute_ld_motion_mems): Find all potential enhanced load motion
2259 (trim_ld_motion_mems): Remove any expressions which are invalid.
2260 (update_ld_motion_stores): Copy store values to registers for loads
2261 which have been moved.
2262 (regvec, st_antloc, num_store): New global statics.
2263 (reg_set_info): Marks registers as set.
2264 (store_ops_ok): Verfies registers expressions are valid in a block.
2265 (find_moveable_store): Look for moveable stores in a pattern.
2266 (compute_store_table): Find stores in a function worth moving, maybe.
2267 (load_kills_store): Check dependance of a load and store.
2268 (find_loads): Find any loads in a pattern.
2269 (store_killed_in_insn): Check if a store is killed in an insn.
2270 (store_killed_after): Check is store killed after an insn in a block.
2271 (store_killed_before): Check is store killed before an insn in a block.
2272 (build_store_vectors): Generate the antic and avail vectors.
2273 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2274 (insert_store): Add a store to an edge.
2275 (replace_store_insn): Replace a store with a SET insn.
2276 (delete_store): Delete a store insn.
2277 (free_store_memory): Free memory.
2278 (store_motion): Perform store motion.
2279 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2280 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2281 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2282 (f_options): Add gcse-lm and gcse-sm.
2284 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2286 * i386.c (expand_fp_movcc): Fix condition reversal code.
2288 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2289 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2290 (CLASS_MAX_NREGS): Use it.
2292 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2293 handle properly complex values.
2294 (CLASS_MAX_NREGS): Likewise; update comment.
2296 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2298 * ia64.c (ia64_flag_schedule_insns2): New variable.
2299 (ia64_override_options): Initialize it. Clear
2300 flag_schedule_insns_after_reload.
2301 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2303 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2305 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2306 Do not require source to match destination anymore;
2307 Add abort to the nontrivial cases that should be handled by split.
2308 (fix_trunc?fdi): Add SSE case for x86_64.
2309 (floatdi?f): Likewise.
2310 (floatdi?f_sse): New.
2311 (fix_trunc?fdi_sse): New.
2313 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2315 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2316 (DEBUG_ARANGES_END_LABEL): Ditto.
2317 (dwarfout_init): Generate length and version fields at the start
2318 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2319 after the length field.
2320 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2321 the .debug_aranges info.
2323 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2325 * i386.c (call, call_value): Make sure that resulting call_insn
2326 does have proper second operand.
2328 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2330 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2331 function. Remove include of sys/cygwin.h.
2333 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2335 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2336 (CPP_SPEC): Always search */include/w32api for header files.
2337 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2338 (LINK_SPEC): Add "cyg" to the library search prefixes.
2340 2001-04-08 Philip Blundell <philb@gnu.org>
2342 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2344 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2346 * cpperror.c (print_location): Don't special case <stdin>.
2347 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2348 WARNING, but we don't check if we're in system headers.
2349 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2350 * cpplib.c (do_warning): Warn in system headers.
2352 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2354 * mbchar.c: Include config.h first.
2356 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2358 * config.gcc: Set default for xmake_file at top, not bottom.
2359 Change places that set xmake_file to "none" to set to the
2360 empty string instead, or remove them entirely if there is no
2361 default xmake_file for this cpu_type. Remove references to
2364 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2365 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2366 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2367 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2368 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2369 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2370 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2371 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2372 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2373 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2376 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2377 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2378 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2379 config/mips/x-sysv, config/rs6000/x-aix31:
2380 Just set CLIB to -lld or -lmld, as appropriate.
2382 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2383 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2384 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2385 config/mips/x-iris, config/pa/x-pa:
2386 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2387 OTHER_FIXINCLUDES_DIRS.
2389 * config/i386/x-djgpp: Don't set LN or LN_S.
2390 * config/m88k/x-dolph: Don't define __m88k__.
2391 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2392 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2393 * config/i860/fx2800.h: No need to #undef SVR4.
2395 38 x-host fragments remain, 2 x-cpu.
2397 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2399 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2401 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2403 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2405 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2407 * configure.in: Add check for lstat.
2408 * configure, config.in: Regenerate.
2409 * cppinit.c (append_include_chain): Make empty path ".".
2410 * cpplib.c (do_line): Don't simplify #line paths.
2411 * cppfiles.c (remove_component_p): New function.
2412 (find_or_create_entry): Acknowledge stat () errors during
2413 path simplification.
2414 (handle_missing_header): Don't simplify paths.
2415 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2416 the empty path untouched. Don't leave a trailing '/'.
2418 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2420 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2421 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2423 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2425 * cppfiles.c (open_file): Fail directories silently, but
2426 with an errno of NOENT set.
2427 (read_include_file): Move the common exit code to the sole
2428 caller. Return an int indicating success or failure. Let
2429 open_file handle directories.
2430 (stack_include_file): If read_include_file fails,
2431 push a "null" buffer.
2433 2001-04-05 DJ Delorie <dj@redhat.com>
2435 * function.h (virtuals_instantiated): Declare.
2436 * function.c: (virtuals_instantiated): Make global.
2437 * calls.c (emit_library_call_value_1): Use
2438 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2439 Otherwise, use the stack pointer directly.
2441 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2443 * i386.c (x86_initialize_trampoline): New global function.
2444 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2445 (INITIALIZE_TRAMPOLINE): Move offline.
2446 * i386-protos.h (x86_initialize_trampoline): Declare.
2448 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2450 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2451 (lea_0): Rename to lea_1.
2452 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2453 (lea_general_?): Allow SImodes on TARGET_64BIT
2454 (lea_general_?_zext): New patterns.
2455 (call_1, call_1_rex64): Fix.
2457 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2459 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2461 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2463 * i386.c (function_arg): Return constm1_rtx for last argument.
2464 (ix86_expand_prologue): Update gen_call calls.
2465 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2466 * i386.md (call_pop): Likewise.
2467 (call): Second operand is VOIDmode.
2468 (call_0): Likewise; Support 64bits.
2469 (call_exp): New expander.
2470 (call_1): Get to the sync.
2471 (call_1_exp): New pattern.
2472 (call_value): Support 64bit.
2473 (call_value_exp): New pattern.
2474 (untyped_call): Update gen_call call.
2475 (call_value_pop): Disable for 64bit.
2476 (call_value_0_rex64): New pattern.
2477 (call_value_1_rex64): Likewise.
2479 2001-04-05 Bo Thorsen <bo@suse.de>
2481 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2483 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2485 * i386.md (*andsi_1+3): If used after reload, make sure the operand
2486 satisfies ANY_QI_REG_P.
2488 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2490 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2493 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2496 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2498 * config.gcc: Remove default for xm_file. Clean up local
2499 machine type handling. Remove settings of xm_file to
2500 something that doesn't exist. In the big switch, set xm_file,
2501 don't append to it (the value before the big switch is always
2502 null). Don't force build_xm_file or host_xm_file to have a value.
2503 * configure.in: Remove default for xm_file. Do not special
2504 case $cpu/xm-$cpu.h not existing.
2505 * configure: Regenerate.
2507 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2509 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2510 when folding integer division and modulo operations.
2512 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
2514 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
2515 instead of DWARF2_ADDR_SIZE for EH addresses.
2516 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
2519 2001-04-04 Richard Henderson <rth@redhat.com>
2521 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2522 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2523 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2525 2001-04-04 Richard Henderson <rth@redhat.com>
2527 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2528 * configure: Rebuilt.
2530 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2532 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2533 push insns to delete to it instead of deleting them.
2534 (delete_null_pointer_checks): Delete insns from delete_list after
2535 all delete_null_pointer_checks_1 passes are done.
2537 2001-04-04 Richard Henderson <rth@redhat.com>
2539 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2540 * configure: Rebuilt.
2542 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2544 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2545 * config/romp/xm-romp.h: Delete.
2547 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2549 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2552 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2554 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2555 all labels present in rtx.
2556 (try_split) Call new function for all split insns.
2558 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2560 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2561 sure the change won't be validated.
2563 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2565 * rtl.h (set_noop_p): Declare.
2566 * flow.c (set_noop_p): Move from here ...
2567 * rtlanal.c (set_noop_p): ... to here and enhance.
2568 * cse.c (delete_trivially_dead_insns): Use it.
2569 * gcse.c (hash_scan_set): Likewise.
2570 * jump.c (delete_noop_moves): Likewise.
2571 * recog.c (split_all_insns): Likewise.
2573 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2575 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2576 stack pointer via a LO_SUM. Ditto for setting a temp register
2577 used to save to the stack. Set cfa_temp when setting fp, and
2578 allow matches to cfa_temp in addition to cfa_store when saving
2579 regs. Handle POST_INC and LO_SUM register stores. Document the
2580 changes and errors in rule 12 doco.
2582 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2583 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2584 (load_reg): Move closer to epilogue code.
2585 (DO_FRAME_NOTES): Define to control the following..
2586 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2587 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2589 (hppa_expand_epilogue): Likewise.
2591 2001-04-03 Richard Henderson <rth@redhat.com>
2593 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2594 * configure: Rebuild.
2596 2001-04-03 Richard Henderson <rth@redhat.com>
2598 * rtl.h (LCT_THROW): New.
2599 * calls.c (emit_library_call_value_1): Handle it.
2600 * except.c (connect_post_landing_pads): Use it.
2602 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2604 * gansidecl.h: Delete file.
2605 * configure.in: Change all refs to gansidecl.h to use
2606 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2608 * configure: Regenerate.
2610 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2611 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2612 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2613 Don't include gansidecl.h.
2614 * intl.c, main.c, version.c, fixinc/fixlib.h,
2615 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2618 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2620 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2623 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2625 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2626 config/i386/xm-next.h, config/i386/xm-sco.h,
2627 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2628 config/m88k/xm-m88k.h: Delete.
2630 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2631 * config/romp/xm-romp.h: Don't define bcopy.
2632 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2633 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2635 * config.gcc: Remove references to deleted files.
2637 14 xm-host.h remain, 1 xm-cpu.h.
2639 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2640 David S. Miller <davem@pierdol.cobaltmicro.com>
2641 Andrew MacLeod <amacleod@redhat.com>
2643 Use byte offsets in SUBREGs instead of words.
2645 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2646 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2647 to pass new argument.
2648 (add_stored_regs): Use subreg_regno_offset function.
2649 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2651 (precompute_arguments): Use gen_lowpart_SUBREG.
2652 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2653 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2654 (simplify_set): Rework to use SUBREG_BYTE.
2655 (expand_field_assignment): Use SUBREG_BYTE.
2656 (make_extraction): Use SUBREG_BYTE.
2657 (if_then_else_cond): Use SUBREG_BYTE.
2658 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2659 (gen_lowpart_for_combine): Compute full byte offset.
2660 * cse.c (mention_regs): Use SUBREG_BYTE.
2661 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2662 (canon_hash): Use SUBREG_BYTE.
2663 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2664 (gen_lowpart_if_possible): Formatting.
2665 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2667 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2668 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2669 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2670 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2671 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2672 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2673 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2674 certain invariants about SUBREGs the compiler creates.
2675 (gen_lowpart_SUBREG): New function.
2676 (subreg_hard_regno): New function to get the final register number.
2677 (gen_lowpart_common): Use SUBREG_BYTE.
2678 (gen_imagpart): Spacing nits.
2679 (subreg_realpart_p): Use SUBREG_BYTE.
2680 (gen_highpart): Use SUBREG_BYTE.
2681 (subreg_lowpart_p): Always compute endian corrected goal offset,
2682 even at the byte level, then compare against that.
2683 (constant_subword): New function, pulled out all constant cases
2684 from operand_subword and changed second argument name to offset.
2685 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2686 and call constant_subword to do the work. Return const0_rtx if
2687 looking for a word outside of OP.
2688 (operand_subword_force): Change second arg name to offset.
2689 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2690 (store_split_bit_field): Use SUBREG_BYTE.
2691 (extract_bit_field): Use SUBREG_BYTE.
2692 (extract_split_bit_field): Use SUBREG_BYTE.
2693 (expand_shift): Use SUBREG_BYTE.
2694 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2695 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2696 * flow.c (set_noop_p): Use SUBREG_BYTE.
2697 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2698 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2699 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2701 (optimize_bit_field): Use SUBREG_BYTE.
2702 (purge_addressof_1): Use SUBREG_BYTE.
2703 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2704 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2705 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2706 * gengenrtl.c (special_rtx): Add SUBREG.
2707 * global.c (mark_reg_store): Use SUBREG_BYTE.
2708 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2709 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2710 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2711 final byte offset is congruent to subreg's mode size.
2712 (subst_constants): Use SUBREG_BYTE.
2713 (mark_stores): Use subreg_regno_offset function.
2714 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2715 function and SUBREG_BYTE.
2716 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2717 (reg_is_born): Use subreg_hard_regno.
2718 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2719 endian correction code. Don't combine subregs unless resulting
2720 offset aligns with type. Fix subreg constant extraction for DImode.
2721 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2722 (general_operand): Remove dead mode_altering_drug code.
2723 (indirect_operand): Use SUBREG_BYTE.
2724 (constrain_operands): Use subreg_regno_offset function.
2725 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2726 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2727 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2728 * regs.h (REG_SIZE): Allow target to override.
2729 (REGMODE_NATURAL_SIZE): New macro which target can override.
2730 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2731 on the entire subreg rtx.
2732 (push_reload): Use SUBREG_BYTE in comments and code.
2733 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2734 for hard registers inside subregs.
2735 (operands_match_p): Use subreg_regno_offset.
2736 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2737 containing hard regs.
2738 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2739 corrections when fixing up MEM subregs.
2740 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2741 subreg_regno_offset where appropriate.
2742 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2743 byte endian corrections when fixing up MEM subregs.
2744 (subst_reloads): When combining two subregs, make sure final
2745 offset is congruent to subreg's mode size.
2746 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2747 (refers_to_regno_for_reload_p): Use subreg_regno.
2748 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2749 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2750 correction code for memory subreg fixups.
2751 (forget_old_reload_1): Use subreg_regno_offset.
2752 (choose_reload_regs): Use subreg_regno.
2753 (emit_input_reload_insns): Use SUBREG_BYTE.
2754 (reload_combine_note_store): Use subreg_regno_offset.
2755 (move2add_note_store): Use subreg_regno_offset.
2756 * resource.c (update_live_status, mark_referenced_resources): Use
2757 subreg_regno function.
2758 (mark_set_resources): Use subreg_regno function.
2759 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2760 (subreg_regno_offset, subreg_regno): Define prototypes.
2761 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2762 (gen_lowpart_SUBREG): Add prototype.
2763 * rtl.texi (subreg): Update to reflect new byte offset representation.
2764 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2765 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2766 (reg_overlap_mentioned_p): Use subreg_regno.
2767 (replace_regs); Make sure final offset of combined subreg is
2768 congruent to size of subreg's mode.
2769 (subreg_regno_offset): New function.
2770 (subreg_regno): New function.
2771 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2772 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2773 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2774 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2775 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2776 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2777 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2778 (print_operand): Use SUBREG_BYTE.
2779 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2780 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2781 (arm_reload_out_hi): Use SUBREG_BYTE.
2782 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2783 instead of SUBREG_WORD.
2784 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2785 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2786 SUBREG creation to use byte offset.
2787 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2788 inverted load insns): Fix explicit rtl subregs to use byte
2790 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2791 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2792 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2793 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2794 to use byte offsets.
2795 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2796 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2797 offsets, also make sure it is congruent to SUBREG's mode size.
2798 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2799 unnamed ldob insn): Generate SUBREGs with byte offset.
2800 (zero_extendqihi2): SUBREG's are byte offsets.
2801 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2802 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2803 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2804 zero-extendqisi2): Generate SUBREGs with byte offset.
2805 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2806 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2807 subregs in rtl to use byte offsets.
2808 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2809 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2810 (mips_move_2words): Use subreg_regno_offset.
2811 (mips_secondary_reload_class): Use subreg_regno_offset.
2812 * config/mips/mips.md (DImode plus, minus, move, and logical op
2813 splits): Fixup explicit subregs in rtl to use byte offsets.
2814 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2815 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2816 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2817 rtl to use byte offsets.
2818 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2819 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2820 subregs to use byte offsets.
2821 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2822 Fixup explicit subregs in rtl to use byte offsets.
2823 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2824 and remove byte endian correction code.
2825 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2826 (gen_ashift_hi): Use SUBREG_BYTE.
2827 (regs_used): Use subreg_regno_offset.
2828 (machine_dependent_reorg): Use subreg_regno_offset.
2829 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2830 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2831 (movdf_i4): Subregs are byte offsets now.
2832 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2833 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2834 (REGMODE_NATURAL_SIZE): Override.
2835 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2836 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2838 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2839 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2840 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2841 it is congruent to SUBREG's mode size.
2842 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2844 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2845 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2846 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2847 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2848 * config/v850/v850.c (print_operand, output_move_double): Use
2849 subreg_regno function.
2851 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2853 * configure.in (target_subdir): Use target_alias, not target.
2854 * configure: Rebuilt.
2856 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2858 * config/sh/crti.asm: Fix typos in comments.
2860 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2862 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2863 TARGET_FAST_INDIRECT_CALLS.
2864 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2866 (return_addr_rtx): Short circuit export stub matching when
2867 TARGET_NO_SPACE_REGS.
2868 (output_millicode_call): For out of range calls, make -fPIC
2869 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2870 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2871 * pa.md: Modify length attr calculation of all millicode insns to
2874 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2876 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2877 Require at least 2.11 in the version test. Specifically check
2878 for and reject GAS version 2.10.90.
2879 * configure: regenerate.
2881 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2883 * pa.c (override_options): Remove PIC profiling warning.
2884 (hp_profile_labelno): Delete.
2885 (hp_profile_label_rtx): Delete.
2886 (hp_profile_label_name): Delete.
2887 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2888 (output_function_prologue): Remove profiling code and all tests on
2889 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2890 merge_sp_adjust_with_store can work for PIC and profiling.
2891 (hppa_expand_epilogue): Remove profile_flag test.
2892 (hppa_can_use_return_insn_p): Likewise.
2893 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2894 cater for PROFILE_HOOK.
2895 (hppa_profile_hook): New function.
2896 * pa.h (FUNCTION_PROFILER): Now does nothing.
2897 (PROFILE_HOOK): Define.
2898 (hppa_profile_hook): Declare.
2899 (PROFILE_BEFORE_PROLOGUE): Delete.
2900 (ASM_OUTPUT_REG_PUSH): Delete.
2901 (ASM_OUTPUT_REG_POP): Delete.
2902 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2903 r24. Accept function name operand, and use this and a locally
2904 generated label to calculate pc-rel offset to func start.
2906 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2908 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2909 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2912 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2914 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2915 LO_SUM cases to where they belong.
2917 2001-04-02 Richard Henderson <rth@redhat.com>
2919 * except.h (lang_eh_type_covers): Mark extern.
2920 (lang_eh_runtime_type): Likewise.
2922 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2924 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2925 gengenrtl.c: Wrap generated header in multiple-include guard.
2926 Improve error checking.
2928 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2930 * configure.in: Don't check for putenv.
2931 * configure: Regenerate.
2932 * gcc.c (putenv): Don't define.
2933 * vax/xm-vms.h: Handle putenv.
2935 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2937 * ifcvt.c (noce_emit_move_insn): New.
2938 (noce_try_store_flag, noce_try_store_flag_constants,
2939 noce_try_store_flag_inc, noce_try_store_flag_mask,
2940 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2941 noce_try_abs): Use it.
2942 (noce_process_if_block): Likewise.
2943 For STRICT_LOW_PART, take mode from its SUBREG.
2945 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2947 * fold-const.c (fold): Before optimizing unsigned comparison with
2948 0x7fffffffU, make sure arg0 is integral type.
2950 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2952 * c-tree.texi: Document representation of wide strings.
2954 2001-04-01 Richard Henderson <rth@redhat.com>
2956 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2958 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2960 * i386.md: remove obsoleted comments.
2961 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2962 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2963 fix output template.
2965 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2967 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2969 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2971 * loop.c (load_mems): When generating a load from a pseudo, update
2974 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2976 * i386.c (ix86_split_long_move): Use change address to compensate
2977 stack pointer change in push instruction.
2979 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2981 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2982 instead of rtx_equal_p; fix the output template.
2984 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2986 * i386.c (ix86_expand_setcc): Support 64bit.
2987 (ix86_expand_int_movcc): Likewise.
2988 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2991 * i386.md (allocate_stack_worker): Turn to expander.
2992 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2994 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2996 2001-03-29 Richard Henderson <rth@redhat.com>
2998 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
3000 2001-03-28 Matthew Hiller <hiller@redhat.com>
3002 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
3005 * MAINTAINERS: Added self.
3007 2001-03-28 Richard Henderson <rth@redhat.com>
3009 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
3010 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
3012 2001-03-28 Jim Wilson <wilson@redhat.com>
3014 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
3017 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3019 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
3021 * tradcif.y (yyerror): Likewise. Add format specifier in call to
3024 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
3026 2001-03-28 DJ Delorie <dj@redhat.com>
3028 * Makefile.in (stage1_build): Revert CFLAGS patch.
3030 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
3032 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
3033 when multiplier or multiplicand is zero.
3035 2001-03-28 Bernd Schmidt <bernds@redhat.com>
3037 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
3039 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3041 (set_src_needs_barrier): Likewise.
3042 (rtx_needs_barrier): For SET case, use these two functions. Rework
3043 PARALLEL case to handle all inputs before all outputs.
3044 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3045 saw a label and no stop bit since then.
3046 (maybe_rotate, process_epilogue): Add prototypes.
3048 2001-03-28 Richard Henderson <rth@redhat.com>
3050 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
3051 not TARGET_TOC for special toc restore handling.
3052 * config/rs6000/rs6000.md (eh_return): Likewise.
3054 2001-03-28 Richard Henderson <rth@redhat.com>
3056 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3057 current_function_calls_eh_return.
3058 (output_function_epilogue): Handle eh_return.
3059 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3060 (EH_RETURN_DATA_REGNO): New.
3061 (EH_RETURN_STACKADJ_RTX): New.
3062 (EH_RETURN_HANDLER_RTX): New.
3063 * config/sparc/sparc.md (call/short branch peepholes): Check
3064 can_throw_internal instead of in_same_eh_region.
3066 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3067 for eh_return data registers.
3068 (rs6000_emit_prologue): Save eh_return data registers.
3069 (rs6000_emit_epilogue): Force inline restores if eh_return.
3070 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3071 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3072 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3073 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3074 the target uses one.
3075 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3076 (return_eh_si, return_eh_di): Remove.
3077 (eh_return): New, from corpse of eh_epilogue.
3078 (eh_set_lr_si, eh_set_lr_di): New.
3080 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3081 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3082 True for pic register if current_function_calls_eh_return.
3083 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3084 Handle eh_return requirements.
3085 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3086 (EH_RETURN_STACKADJ_RTX): New.
3087 * config/i386/i386.md (exception_receiver): Remove.
3088 (eh_return, eh_return_1): New.
3089 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3091 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3092 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3093 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3094 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3095 (EH_RETURN_DATA_REGNO): New.
3096 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3097 * config/alpha/alpha.md (eh_epilogue): Remove.
3098 (exception_receiver): Use $26 for ldgp input.
3099 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3101 2001-03-28 Richard Henderson <rth@redhat.com>
3103 * except.c: Rewrite entirely for IA-64 ABI exception handling.
3104 * except.h: Likewise.
3106 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
3107 (LIB2ADDEHDEP): New.
3108 (LIB2FUNCS_EH): Remove.
3109 (LIB2ADD): Remove LIB2ADDEH.
3110 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
3111 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
3112 (crt{begin,end}[S].o): Likewise.
3113 (except.o): Update includes.
3114 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
3115 (libgcc2_c_dep): Use LIB2ADDEHDEP.
3117 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
3118 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
3119 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
3120 * builtins.c (expand_builtin): Implement it.
3121 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
3122 * c-common.c (c_common_nodes_and_builtins): Declare it.
3123 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
3124 * calls.c (libfunc_nothrow): Remove.
3125 (emit_library_call_value_1): Don't call it.
3126 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
3127 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
3128 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
3129 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
3130 (current_funcdef_number): Globalize.
3131 (output_call_frame_info): Emit frame data if an lsda is needed.
3132 Generate augmentation for personality routine. Don't play with
3134 (dwarf2out_begin_prologue): Record funcdef_number.
3135 * dwarf2out.h (current_funcdef_number): Declare.
3136 * expr.c (expand_expr): Update for except.h name changes.
3137 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
3138 * expr.h (LTI_throw, LTI_rethrow): Remove.
3139 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
3140 (LTI_eh_rtime_match): Remove.
3141 (LTI_unwind_resume, LTI_eh_personality): Add.
3142 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
3143 * final.c (final): Don't call check_exception_handler_labels,
3144 init_insn_eh_region, or free_insn_eh_region.
3145 (final_scan_insn): Always emit debug labels for
3146 NOTE_INSN_EH_REGION notes.
3147 * flags.h (flag_new_exceptions): Remove.
3148 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
3149 (record_active_eh_regions): Remove.
3150 (count_basic_blocks): Check all instructions for REG_EH_REGION.
3151 Use can_throw_internal.
3152 (find_basic_blocks_1): Likewise.
3153 (move_stray_eh_region_notes): Remove.
3154 (find_label_refs): No eh_return_stub_label.
3155 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
3156 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
3158 (delete_unreachable_blocks): Don't track deleted handlers.
3159 (flow_delete_block): Use maybe_remove_eh_handler.
3160 (delete_eh_regions): Remove.
3161 (merge_blocks): Don't check for eh region match.
3162 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
3163 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
3164 (init_propagate_block_info): Disable dead frame store optimization
3165 when current_function_calls_eh_return.
3166 (dump_bb): Don't print eh_beg, eh_end.
3167 * function.c (fixup_var_refs): No catch_clauses.
3168 (expand_function_end): Likewise. Call expand_eh_return before
3169 the return register use. Call sjlj_emit_function_exit_after.
3170 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
3171 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
3172 * ifcvt.c (dead_or_predicable): Remove eh region check.
3173 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
3174 Don't check for EH vs parameters.
3175 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
3176 (expand_inline_function): Call duplicate_eh_regions.
3177 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
3178 (copy_insn_notes): Remap REG_EH_REGION notes.
3179 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
3180 * integrate.h (struct inline_remap): Add local_return_label.
3181 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
3182 check_exception_handler_labels, nor exception_optimize.
3183 (find_cross_jump): No EH region check.
3184 * optabs.c (init_optabs): Update for changed eh libfuncs.
3185 * rtl.def (RESX): New.
3186 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
3187 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
3188 checks. Update for except.h name changes.
3189 (expand_cleanups): Likewise.
3190 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
3191 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
3192 (compile_file): Call init_eh before init_optabs. Don't
3193 output_exception_table here.
3194 (rest_of_compilation): Call convert_from_eh_region_ranges,
3195 convert_to_eh_region_ranges, output_function_exception_table.
3196 Don't emit_eh_context.
3197 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
3198 (EXC_PTR_EXPR): New.
3200 * md.texi (eh_epilogue): Remove.
3201 (eh_return): Document.
3202 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3203 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3205 * eh-common.h: Remove file.
3206 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3207 * libgcc2.c (L_eh): Remove.
3209 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3210 * unwind-dw2-fde.h: New file.
3211 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3212 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3213 * libgcc-std.ver: Update for eh symbols.
3215 2001-03-27 Richard Henderson <rth@redhat.com>
3217 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3218 reduce false positives.
3219 (regmove_optimize): Disable if flag_non_call_exceptions.
3221 * stmt.c (expand_return): Remove always true predicate.
3222 (expand_decl_cleanup_no_eh): Remove dead code.
3224 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3225 barrier code. Add a scheduling barrier if a non-call insn
3226 can throw internally.
3228 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3229 Auto-inc addresses trap only if their base register does.
3231 * except.c (can_throw_internal): Rename from can_throw.
3232 * except.h, resource.c: Update references.
3234 * integrate.c (copy_insn_list): Use returnjump_p.
3235 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3237 * function.h (struct function): Move all boolean valued fields
3238 to single bit fields at the end of the struct.
3240 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3242 Rename asynchronous_exceptions to flag_non_call_exceptions.
3244 * gthr-single.h (UNUSED): New. Distinguish between how C
3245 and C++ mark unused function arguments. Use throughout.
3247 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3248 value to target configuration header.
3249 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3250 * config.in, configure: Rebuild.
3251 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3252 configuration and target defines.
3253 (exceptions_via_longjmp): Remove.
3254 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3255 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3257 * except.h (flag_non_call_exceptions): Move ...
3258 * flags.h: ... here.
3260 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3261 exceptions, put the note on the trapping instruction.
3263 * flags.h (flag_new_exceptions): Remove.
3264 * toplev.c: Don't set it.
3265 * final.c: Don't check it.
3266 * except.c: Provide stub definition.
3268 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3269 (calculate_global_regs_live): Kill call-clobbered registers
3270 across exception edges.
3271 * reg-stack.c (convert_regs_1): Kill the entire target stack
3272 across non-call exception edges.
3274 * flow.c (cleanup_cfg): Take no argument.
3275 * output.h, sibcall.c, toplev.c: Update all calls.
3277 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3279 * configure.in: Don't check for bcopy.
3280 * configure, config.in: Regenerate.
3282 * system.h: Don't define or prototype bcopy, instead poison it.
3284 2001-03-27 Richard Henderson <rth@redhat.com>
3286 * function.c (expand_function_start): Set DECL_REGISTER on
3287 a pseudo used for DECL_RESULT.
3289 * rtl.h (LCT_NORETURN): New.
3290 * calls.c (emit_library_call_value_1): Handle it.
3292 2001-03-27 Stan Shebs <shebs@apple.com>
3294 * objc/objc-act.c (objc_init): Use dump_base_name.
3295 (gen_declaration): Clear the buffer arg.
3296 (gen_declaration_1): New function, body of gen_declaration.
3297 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3298 (gen_method_decl): Ditto, plus always clear buffer arg.
3299 (error_with_ivar): Simplify.
3300 (warn_with_method): Ditto.
3301 (build_message_expr): Don't clear buffers.
3302 (dump_interface): Ditto.
3303 (objc_debug): Ditto.
3304 (build_keyword_selector): Clear the buffer by only zeroing
3306 (objc_implementation_context): Declare.
3307 (start_class): Warn about missing @end.
3308 (finish_objc): Ditto.
3310 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3312 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3314 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3316 * Makefile.in (SYSTEM_H): Define.
3317 Depend on $(SYSTEM_H), not system.h.
3319 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3321 2001-03-27 Jim Wilson <wilson@redhat.com>
3323 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3325 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3326 (process_epilogue): New static function.
3327 (process_set): Call process_epilogue instead of emitting .restore
3329 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3331 * flow.c (struct reg_cond_life_info): New fields orig_condition
3333 (init_propagate_block_info): Set new fields.
3334 (mark_regno_cond_dead): Set and use new fields.
3335 (flush_reg_cond_reg_1): Likewise.
3336 (and_reg_cond, case AND): Check for redundant AND conditions.
3337 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3340 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3342 * cppmacro.c (stringify_arg): Null terminate strings.
3344 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3346 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3347 inclusion style. xm-m68hc11.h no longer exists.
3348 * config/m68hc11/xm-m68hc11.h: Delete file.
3349 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3351 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3352 Don't define GCC_VERSION, N_, or PARAMS; don't include
3353 gansidecl.h or stdio.h. Define inhibit_libc here.
3354 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3355 Delete code conditioned on #if GCC_VERSION == 2095.
3357 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3358 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3359 Delete code conditioned on #if GCC_VERSION == 2095.
3361 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3363 * system.h: Include symcat.h.
3364 (STRINGIFY): Don't define.
3366 * configure.in: Adjust comment.
3368 * builtins.c: Use STRINGX, not STRINGIFY.
3369 * gencheck.c: Likewise.
3370 * gengenrtl.c: Likewise.
3371 * protoize.c: Likewise.
3373 * cpplex.c: Don't include symcat.h.
3374 * cpplib.c: Likewise.
3376 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3378 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3380 * c-typeck.c (digest_init): Fold init expression.
3382 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3384 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3386 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3388 * except.c (eh_regs): Save results of build_pointer_type to a temp
3389 as FUNCTION_VALUE macro may evaluate its args multiple times.
3391 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3393 * c-common.h (DECL_NUM_STMTS): New macro.
3394 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3396 (pushdecl): Likewise.
3397 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3398 * integrate.c (expand_inline_function): Don't check
3400 * print-tree.c (print_node): Don't print it.
3401 * toplev.c (rest_of_compilation): Don't try to inline when
3402 flag_no_inline is on.
3403 * tree.h (DECL_FRAME_SIZE): Remove.
3404 (tree_decl): Adjust accordingly.
3406 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3408 * combine.c (try_combine): Use memcpy, not bcopy.
3410 * genattrtab.c (expand_units): Likewise.
3412 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3414 * i386.md (push mem DI peep2): New.
3415 (mov 0, mov -1 peep2): Handle 64bit.
3416 (lea to arithmetics peep2): Handle 64bit leas.
3417 (rsp arithmetics to push/pop peep2s): New.
3419 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3421 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3423 * i386.c (struct machine_function): Add save_varrargs_registers.
3424 (ix86_save_varrargs_registers): New macro.
3425 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3426 (ix86_expand_prologue): Likewise.
3427 (ix86_emit_epilogue_esp_adjustement): Likewise.
3428 (ix86_expand_epilogue): Likewise.
3429 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3430 (pro_epilogue_adjust_stack_1): New insn.
3431 (pro_epilogue_adjust_stack_rex64): Likewise.
3432 * i386.h (MASK_NO_RED_ZONE): New constant.
3433 (TARGET_RED_ZONE): New macro.
3434 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3435 (RED_ZONE_SIZE): New constant.
3436 (RED_ZONE_RESERVE): New constant.
3438 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3440 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3442 2001-03-25 Kazu Hirata <kazu@hxi.com>
3444 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3447 (umodhi3): Likewise.
3450 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3452 * mkconfig.sh (DEFINES): Handle entries with '='.
3454 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3455 Set xm_defines to MACRO=value instead.
3457 * i370/xm-mvs.h: Delete.
3459 * ns32k/xm-pc532-min.h: Likewise.
3461 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3463 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3465 use ix86_expand_binary_operator
3466 (?sh??i_?): Disable for 64bit.
3467 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3468 * i386.c (shiftdi_operand): New predicate.
3470 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3471 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3472 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3473 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3474 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3475 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3476 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3477 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3478 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3479 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3480 (rotldi3, rotrdi3): New expanders.
3482 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3484 * i386.md (movstrsi): Move offline.
3486 (strmovdi_rex64): New.
3487 (strmov?i): Accept 64bit.
3488 (strmov?i_rex64): New.
3489 (strmov?i_rex_1): New.
3490 (strmov?i_1): Disable for 64bit.
3491 (rep_mov?i_rex64): New.
3492 (rep_mov?i): Disable for 64bit.
3493 (clrstrsi): Move offline.
3494 (strset?i_rex64): New.
3495 (strset?i: Accept 64bit.
3496 (rep_stos?i): Disable for 64bit.
3497 (rep_stos?i_rex64): New.
3498 (strset?i_rex_1): New.
3499 (strset?i_1): Disable for 64bit.
3500 (cmpstrsi): Accept 64bit.
3501 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3502 (cmpstrqi_nz_rex_1): New.
3503 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3504 (strlensi): Move offline.
3506 (strlenqi_1): Disable for 64bit; fix constraints.
3507 (strlenqi_rex_1): New.
3508 * i386.c (ix86_adjust_counter): New static function.
3509 (ix86_zero_extend_to_Pmode): Likewise.
3510 (ix86_expand_aligntest): Likweise.
3511 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3512 (ix86_expand_movstr): New global function.
3513 (ix86_expand_clrstr): New global function.
3514 (ix86_expand_strlen): New global function.
3515 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3516 ix86_expand_strlen): Declare.
3517 (ix86_expand_strlensi_unroll_1): Delete.
3519 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3521 * i386.md (cmpdi): Fix operand predicates.
3522 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3523 cmpdi_1_insn_rex64): New patterns.
3524 (adddi3): Turn to expander.
3525 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3526 (addsi3_carry_zext): New pattern.
3527 (adddi_?_rex64): New patterns and splitters.
3528 (addsi_?_zext): New patterns.
3529 (subsi3_carry_zext): New pattern.
3530 (subdi_?_rex64): New patterns and splitters.
3531 (iorsi_?_zext): New patterns.
3532 (iordi_?_rex64): New patterns and splitters.
3533 (iorsi_?_zext): New patterns.
3534 (iorsi_?_zext_imm): New patterns.
3535 (xorsi_?_zext): New patterns.
3536 (xordi_?_rex64): New patterns and splitters.
3537 (xorsi_?_zext): New patterns.
3538 (negdi*): New patterns.
3539 (one_cmpldi*): Likewise.
3540 (one_cmplsi*_zext, negsi*_zext): Likewise.
3541 (testqi_ext_3_rex64): New pattern.
3543 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3545 * i386-protos.h (ix86_split_long_move): Return void.
3546 * i386.c (ix86_split_to_parts): Handle 64bit target.
3547 (ix86_split_long_move): Likewise.
3548 * i386.md (all calls to ix86_split_long_move): Update.
3550 2001-03-23 Richard Henderson <rth@redhat.com>
3552 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3553 to avoid shadowing arguments.
3555 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3557 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3558 to variable names where DECL_NAME is different from
3559 DECL_ASSEMBLER_NAME.
3561 2001-03-23 Jim Wilson <wilson@redhat.com>
3563 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3564 (assemble_alias): Call make_decl_rtl.
3566 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3568 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3570 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3572 * extend.texi: Document the "java_interface" attribute.
3574 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3576 * mkconfig.sh: Use a subshell with redirected stdout,
3577 instead of closing stdout and confusing commands that run
3578 afterward. Throw away output of cmp.
3580 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3582 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3584 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3586 * i386.md (zero_extendsidi2_32): Break out from ...
3587 (zero_extendsidi2): ... here ; turn to expander.
3588 (zero_extendsidi2_rex64): New.
3589 (extendsidi2_32): Break out from ...
3590 (extendsidi2): ... here ; turn to expander.
3591 (extendsidi2_rex64): New.
3592 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3593 (trunc?f?f splitters): Add 64bit versions.
3595 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3597 * i386.md (pushsi, pushsi2_prologue): Disable.
3598 (pushsi2_rex64): New.
3599 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3600 (movqi_ext_1): Disable for 64bit.
3601 (movqi_ext_1_rex64): New.
3602 (pushdi2_rex64): New pattern, peep2s and splitter.
3603 (pushdi2_prologue_rex64): New pattern.
3604 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3606 (movdi splitters): Disable for 64bit.
3607 (movdi_1_rex64): New pattern, peep2s and splitters.
3608 (swapdi): New pattern.
3609 (pushsf): Disable for 64bit.
3610 (pushsf_rex64): New pattern and splitter.
3611 (pushdf_nointeger): Disable for 64bit.
3612 (pushdf_integer): Handle the 64bit case.
3613 (pushtf): Likewise; update splitters.
3615 2001-03-22 Richard Henderson <rth@redhat.com>
3617 * mkconfig.sh: Include insn-flags.h.
3618 * Makefile.in (CONFIG_H): Include insn-flags.h.
3619 (lots of objects): Remove insn-codes.h and insn-flags.h.
3621 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3622 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3623 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3624 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3625 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3626 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3627 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3628 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3629 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3630 v850/v850.c, vax/vax.c:
3631 Don't include insn-flags.h.
3633 * diagnostic.c, expr.h, reload.c, toplev.c:
3634 Don't include insn-codes.h.
3636 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3637 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3638 c4x/c4x.c, i960/i960.c, mips/mips.c:
3639 Don't include insn-codes.h or insn-flags.h.
3641 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3642 or insn-flags.h in the generated code.
3643 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3644 (main): Forward declare struct rtx_def.
3646 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3648 * invoke.texi (-ffast-math): Remove duplicate line about
3651 * gcc.texi: Remove more obsolete documentation of bugs and
3652 installation problems.
3654 2001-03-21 Kazu Hirata <kazu@hxi.com>
3656 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3659 2001-03-20 Jason Merrill <jason@redhat.com>
3661 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3663 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3664 * varasm.c (CHKR_PREFIX): Likewise.
3666 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3668 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3669 is part of a multi-SET insn.
3671 * cse.c (find_comparison_args): Remove previous change.
3672 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3675 * config/i386/i386.md (conditional_trap): Remove warning.
3677 * recog.c (push_operand): Fix error in last change that caused
3678 undefined symbol on many targets.
3680 * sdbout.c: #include ggc.h.
3681 (sdbout_init): Move to end of file.
3682 Call ggc_add_tree_root for anonymous_types.
3683 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3684 (sdbout_one_type): Use DECL_NAME for field name.
3685 * Makefile.in (sdbout.o): Show includes ggc.h.
3687 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3689 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3690 (override_options): Use properlimits for preferred_stack_boundary.
3691 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3693 (ext_register_operand): Accept DImode.
3694 (load_pic_register): Abort on 64bit.
3695 (gen_push): Use Pmode instead of SImode.
3696 (ix86_save_reg): Pic reg is never used on 64bit.
3697 (ix86_expand_prologue): Likewise.
3698 (ix86_emit_save_regs): Use Pmode instead of SImode.
3699 (legitimate_address_p): Check displacement for 64bit.
3700 (print_operand): Avoid outputting of (%rip) on 64bit.
3701 (print_operand_address): Output (%rip) where possible.
3702 (split_di): Abort on 64bit registers.
3703 (ix86_expand_branch): DImode comparison is simple for x86_64.
3704 (memory_address_length): Recognize memory addresses formed using
3706 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3708 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3710 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3712 * recog.c (push_operand): Recognize new format of push instructions.
3714 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3716 * i386.md (pushqi1): New.
3717 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3718 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3719 x86_64_immediate_operand, x86_64_immediate_operand,
3720 x86_64_zext_immediate_operand): Declare.
3721 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3722 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3723 x86_64_immediate_operand, x86_64_immediate_operand,
3724 x86_64_zext_immediate_operand): define.
3725 * i386.h (PREDICATE_CODES): Add new predicates.
3727 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3729 * i386.md (pophi1, popqi1, pushqi1): Remove.
3731 * expr.c (emit_single_push_insn): New function.
3732 (move_by_pieces): Accept NULL as destination for push instructions.
3733 (gen_push_operand): Kill.
3734 (emit_push_insn): Pass NULL when pushing; avoid updating of
3735 stack_pointer_delta.
3736 * expr.h (gen_push_operand): Kill.
3738 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3740 * rtl.texi (COMPARE): Clarify documentation and reference section
3743 2001-03-20 Stan Shebs <shebs@apple.com>
3745 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3746 (get_object_reference): Ditto.
3747 (error_with_ivar): Use error_with_file_and_line.
3748 (warn_with_method): Use warning_with_file_and_line.
3750 2001-03-20 Tom Tromey <tromey@redhat.com>
3752 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3754 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3756 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3757 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3759 2001-03-20 DJ Delorie <dj@redhat.com>
3761 * Makefile.in (install-libgcc): Pass complete list of variables.
3762 (install-multilib): Ditto.
3764 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3766 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3767 drectve_section, switch_to_section.
3769 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3770 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3771 i386_pe_mark_dllimport.
3773 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3775 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3776 functions i386_pe_*.
3778 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3779 i386_pe_* functions with char * arguments.
3781 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3783 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3785 (movsi_ie): Introduce fpul store.
3787 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3789 * Makefile.in (OBJS): Remove hashtab.o.
3791 2001-03-19 Stan Shebs <shebs@apple.com>
3793 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3794 * c-lang.c (maybe_objc_method_name): Ditto.
3795 * c-tree.h (maybe_objc_method_name): Remove decl.
3797 2001-03-19 Tom Tromey <tromey@redhat.com>
3799 * gcc.c (init_gcc_specs): Fix comment.
3801 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3803 Compute DECL_ASSEMBLER_NAME lazily.
3804 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3805 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3806 (SET_DECL_ASSEMBLER_NAME): Likewise.
3807 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3808 (set_decl_assembler_name): Declare.
3809 (lang_set_decl_assembler_name): Likewise.
3810 * tree.c (lang_set_decl_assembler_name): New variab.e
3811 (set_decl_assembler_name): New function.
3812 (init_obstacks): Set lang_set_decl_assembler_name.
3813 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3814 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3815 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3816 where it's not necessary.
3817 (builtin_function): Likewise.
3818 (finish_decl): Likewise.
3819 * dbxout.c (dbxout_type_methods): Likewise.
3820 * ggc-common.c (ggc_mark_trees): Likewise.
3821 * profile.c (output_func_start_profiler): Likewise.
3822 * varasm.c (make_decl_rtl): Likewise.
3824 * cse.c (find_comparison_args): Update documentation. Fix
3825 mishandling of COMPARE operations.
3827 * tree.def (ABS_EXPR): Add documentation.
3828 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3830 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3832 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3834 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3836 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3837 Remove ia32 linux PIC kludge and move it...
3838 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3840 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3842 * i386.md (absdf2 expander): Fix 64bit case.
3844 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3846 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3848 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3850 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3852 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3854 * README.X11: Remove obsolete file.
3856 2001-03-18 Anthony Green <green@redhat.com>
3858 * config/pj/pj.h: Remove some trailing commas.
3859 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3861 2001-03-18 Richard Henderson <rth@redhat.com>
3863 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3864 * calls.c: ... here.
3865 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3866 defaults for them here.
3868 2001-03-17 Anthony Green <green@redhat.com>
3870 * config/pj/lib1funcs.S: Fix broken comment.
3871 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3874 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3876 * gcc.texi: Remove obsolete information relating to build and
3877 installation problems with enquire or the Pyramid C compiler.
3879 2001-03-17 Richard Henderson <rth@redhat.com>
3881 * dwarf2out.c (queue_reg_save): New.
3882 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3883 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3885 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3886 (cfa, cfa_store, cfa_temp): Make static.
3887 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3889 2001-03-17 Richard Henderson <rth@redhat.com>
3891 * integrate.h (struct inline_remap): Add local_return_label.
3892 * integrate.c (expand_inline_function): Initialize it and emit
3893 it after copy_insn_notes.
3894 (copy_insn_list): Don't store local_return_label here.
3895 (copy_insn_notes): New function split out from copy_insn_list.
3897 2001-03-17 Richard Henderson <rth@redhat.com>
3899 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3900 is generating .debug_line.
3901 (dwarf2out_init): Add main_input_filename to the file table first.
3902 * configure.in (as_dwarf2_debug_line): Test with file number 1
3903 instead of file number 0.
3905 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3907 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3908 (gen_rtx_combine): Deleted; all references changed as appropriate.
3909 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3911 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3913 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3915 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3918 2001-03-16 Jim Wilson <wilson@redhat.com>
3920 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3921 then set it to LOC_REG (79) instead of aborting.
3923 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3925 * gccbug.in: Remove high priority.
3927 2001-03-16 Richard Henerson <rth@redhat.com>
3929 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3930 output with a space instead of deleting it.
3931 * configure: Regenerate.
3933 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3935 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3936 handles the gory details of converting an object file into
3937 something that's safe to grep.
3938 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3939 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3940 newlines at either end of the string we're looking for.
3941 Make 'checking ...' message less stilted.
3942 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3943 ARM in-memory layout and its hypothetical converse. Don't
3944 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3945 HOST_WORDS_BIG_ENDIAN.
3947 * configure.in: Adjust for renamed macro. Move
3948 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3949 * configure, config.in: Regenerate.
3951 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3953 * fixinc/Makefile.in: Set SHELL.
3955 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3957 * fixinc/fixincl.c (fix_with_system): Quote file names before
3958 passing them to shell.
3960 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3962 * Makefile.in: Use fix-header$(build_exeext) instead
3965 2001-03-16 Richard Henderson <rth@redhat.com>
3967 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3968 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3969 (size_of_line_prolog): Remove.
3970 (output_line_info): Compute prologue size via label difference.
3971 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3973 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3974 assembler error when redefining file numbers.
3975 * config.in, configure: Rebuild.
3977 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3978 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3979 (dw2_asm_output_delta_uleb128): Likewise.
3980 (dw2_asm_output_delta_sleb128): Similarly.
3981 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3983 2001-03-16 Michael Meissner <meissner@redhat.com>
3985 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3987 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3989 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3991 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3992 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3993 being unsigned in ISO C and signed in traditional.
3994 (expand_prologue): Ditto.
3995 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3997 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3999 (divsi3,divdi3): Ditto.
4000 (modsi3,moddi3): Ditto.
4001 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
4002 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
4003 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
4006 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
4008 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
4009 SSE based conditional moves on LTGT/UNEQ conditions;
4010 Canonicalize EQ to NE.
4011 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
4012 (sse_mov?fcc_ne): New.
4014 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
4016 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4018 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
4019 register may be dead.
4021 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
4023 * Makefile.in (hash.o): Depend on CONFIG_H.
4025 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4027 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
4029 2001-03-15 Richard Henderson <rth@redhat.com>
4031 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
4032 (ASM_OUTPUT_DWARF_PCREL): New.
4033 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
4035 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4037 * cppfiles.c (stack_include_file): Use MAX of sysp.
4039 2001-03-15 Steve Ellcey <sje@cup.hp.com>
4041 * config.gcc (ia64*-*-hpux*): New case.
4042 * config/ia64/hpux.h: New file for HP-UX support.
4043 * config/ia64/t-hpux: New file for HP-UX support.
4045 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4047 * fixinc/inclhack.def (irix_stdio_va_list): New.
4048 * fixinc/fixincl.x: Rebuilt.
4050 2001-03-15 Richard Henderson <rth@redhat.com>
4052 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
4053 if provided by the target.
4054 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
4055 (dw2_asm_output_addr): New.
4056 * dwarf2asm.h (dw2_asm_output_addr): Declare.
4057 * dwarf2out.c (output_cfi): Use it for program addresses.
4058 (output_call_frame_info, output_die): Likewise.
4059 (output_aranges, output_line_info): Likewise.
4061 2001-03-15 Bruce Korb <bkorb@gnu.org>
4063 * gcc.c(main): make more rigorous
4064 * collect2.c(main): guard against ignoring SIGCHLD
4065 * protoize.c(main): ditto
4066 * gcc/fixinc/fixincl.c(initialize): ditto
4068 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4070 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4071 (sdbout_parms): Likewise.
4073 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
4075 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4076 "widen" a destination that is already wider than a word. Also do
4077 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4079 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4081 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
4083 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
4085 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
4087 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
4089 * i960.h (i960_maxbitalignment,
4090 i960_last_maxbitalignment): Declare.
4091 * i960.c (i960_maxbitalignment,
4092 i960_last_maxbitalignment): Make global.
4093 (process_pragma): Delete.
4094 (i960_pr_align, i960_pr_noalign): Move from here ...
4095 * i960-c.c: ... to this new file.
4096 * t-960bare (i960-c.o): New rule.
4097 * t-vxworks960 (i960-c.o): Likewise.
4098 * config.gcc (i960-*-*): Define c_target_objs and
4101 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4103 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
4104 without adding in rtx code and mode.
4106 * alias.c (init_alias_analysis): Don't use any rtx whose value
4107 varies as a known value.
4108 Delete a superfluous test.
4110 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
4112 (ia64_sched_reorder): Call maybe_rotate; also rotate after
4113 scheduling a stop bit.
4114 (ia64_emit_nops): Correctly handle ASMs.
4116 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4118 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4120 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4122 * cpp.texi: Update documentation for -include and -imacros.
4123 * cppfiles.c (struct include_file): Remove "defined" memeber.
4124 (find_or_create_entry): Make a copy of the file name, and
4126 (open_file): Update to ensure we use the simplified filename.
4127 (stack_include_file): Don't set search_from.
4128 (cpp_included): Don't simplify the path name here.
4129 (find_include_file): New prototype. Call search_from to
4130 get the start of the "" include chain. Don't simplify the
4132 (_cpp_execute_include): New prototype. Move diagnostics to
4133 do_include_common. Update.
4134 (_cpp_pop_file_buffer): Don't set defined.
4135 (search_from): New prototype. Use the preprocessor's cwd
4136 for files included from the command line.
4137 (read_name_map): Don't simplify the pathname here.
4138 * cpphash.h (enum include_type): New.
4139 (struct buffer): Delete search from. New search_cached.
4140 (_cpp_execute_include): Update prototype.
4141 * cppinit.c (do_includes): Use _cpp_execute_include.
4142 * cpplib.c (do_include_common): New function.
4143 (do_include, do_include_next, do_import): Use it.
4145 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4147 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4148 contents of the RTL, to determine the name of the object.
4150 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4152 * tree.h (DECL_RTL): Allocate RTL lazily.
4153 (SET_DECL_RTL): New macro.
4154 (DECL_RTL_SET_P): Likewise.
4155 (COPY_DECL_RTL): Likewise.
4156 (DECL_RTL_IF_SET): Likewise.
4157 * varasm.c (make_decl_rtl): Add assertions about the kind of
4158 declaration we are processing.
4159 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4160 (start_decl): Likewise.
4161 (finish_decl): Likewise.
4162 * c-semantics.c (emit_local_var): Likewise.
4163 * calls.c (expand_call): Likewise.
4164 * dbxout.c (dbxout_symbol): Likewise.
4165 * emit-rtl.c (unshare_all_rtl): Likewise.
4166 (unshare_all_decls): Likewise.
4167 (reset_used_decls): Likewise.
4168 * expr.c (store_constructor): Likewise.
4169 (safe_from_p): Likewise.
4170 (expand_expr): Likewise.
4171 * function.c (put_var_into_stack): Likewise.
4172 (instantiate_decls_1): Likewise.
4173 (assign_parms): Likewise.
4174 (expand_function_start): Likewise.
4175 (expand_function_end): Likewise.
4176 * ggc-common.c (gcc_mark_trees): Likewise.
4177 * integrate.c (function_cannot_inline_p): Likewise.
4178 (copy_decl_for_inlining): Likewise.
4179 (expand_inline_function): Likewise.
4180 (integrate_parm_decls): Likewise.
4181 (integrate_decl_tree): Likewise.
4182 * print-tree.c (print_node): Likewise.
4183 * reg-stack.c (stack_result): Likewise.
4184 * stmt.c (label_rtx): Likewise.
4185 (expand_return): Likewise.
4186 (expand_decl): Likewise.
4187 (expand_decl_cleanup): Likewise.
4188 (expand_anon_union_decl): Likewise.
4189 * toplev.c (check_global_declarations): Likewise.
4190 (rest_of_decl_compilation): Likewise.
4191 * tree.c (simple_cst_equal): Likewise.
4192 * objc/objc-act.c (generate_static_references): Likewise.
4194 2001-03-14 Zack Weinberg <zackw@stanford.edu>
4196 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4197 gcc_AC_C_FLOAT_FORMAT): New macros.
4198 * configure.in: Add AC_PROG_CPP after CC tests;
4199 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
4200 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4201 * configure, config.in: Regenerate.
4203 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4204 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4205 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4206 config/i370/xm-linux.h, config/i370/xm-oe.h,
4207 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4208 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4209 config/pa/xm-linux.h, config/pa/xm-pa.h,
4210 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4211 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4212 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4213 config/we32k/xm-we32k.h: Delete.
4215 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4216 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4217 config/vax/xm-vms.h: Don't define any of:
4218 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4220 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4222 * config.gcc: Remove references to deleted files.
4223 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4224 FATAL_EXIT_CODE, which is the same between oe and mvs).
4226 2001-03-14 DJ Delorie <dj@redhat.com>
4227 Vladimir Makarov <vmakarov@redhat.com>
4229 * config/i960/i960.c (i960_function_prologue): Compute size of
4230 frame according to number of registers actually saved there.
4232 2001-03-14 Richard Henderson <rth@redhat.com>
4234 * expr.c (emit_move_insn_1): Fix else if around #endif.
4236 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4239 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4242 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4244 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4245 (override_options): Parse cmodel string.
4246 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4247 * i386.h (TARGET_OPTIONS): Add "cmodel".
4248 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4250 (ix86_cmodel_string, ix86_cmodel): Declare.
4252 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4255 * i386.h (GENERAL_REG_P): Add missing REG_P.
4257 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4259 * configure.in: Use $gcc_cv_as instead of $as.
4260 * configure: Regenerated.
4262 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4264 * cppfiles.c (stack_include_file): Only increase the include
4265 count if we actually process the file properly, as opposed
4266 to treating it as length zero. Only call read_include_file
4267 if not DO_NOT_REREAD. Handle the -H include file output
4269 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4270 (cpp_included, find_include_file): Simplify pathnames after
4271 remapping them. If remapping, don't use the remapped file
4272 name's buffer as our scratch buffer.
4273 (cpp_pop_file_buffer): Replace the multiple include macro
4274 only if it isn't yet set.
4275 (read_name_map): Simplify remapped names when reading in.
4276 (remap_filename): Move code to code path that uses it.
4277 (_cpp_simplify_pathname): Return the input pointer.
4278 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4280 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4282 * expr.c (expand_expr): Revove bogus conditional.
4284 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4286 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4288 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4290 * reg-stack.c (stack_result): Unconditionally use
4291 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4293 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4295 * expr.c (emit_move_insn_1): Split push of complex value when
4296 no suitable push instruction exist.
4298 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4299 instead of QI_REG_P.
4301 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4303 * alias.c (handled_component_p, can_address_p): New functions.
4304 (get_alias_set): Use them.
4306 2001-03-13 Jim Wilson <wilson@redhat.com>
4308 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4309 from 80 in try_locals code.
4310 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4312 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4314 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4315 gcc_AC_C_LONG_LONG): New.
4316 * configure.in: Use them. Probe the size of short, int, long,
4317 and long long/__int64 if we have them. Move all the AC_C_*
4318 checks together, except gcc_AC_C_CHAR_BIT which has to go
4319 after AC_CHECK_HEADERS(limits.h).
4320 Take hwint.h out of host_xm_file and build_xm_file.
4322 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4323 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4324 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4325 Move the HOST_WIDEST_INT setup logic here from system.h.
4326 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4328 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4329 is now handled by hwint.h.
4331 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4332 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4333 config/ia64/xm-ia64.h: Don't define any of:
4334 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4335 HOST_BITS_PER_LONGLONG.
4337 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4338 config/h8300/xm-h8300.h, config/mips/iris6.h,
4339 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4340 config/sparc/xm-sp64.h: Delete.
4341 * config.gcc: Remove references to deleted files.
4343 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4344 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4345 * config/i370/xm-linux.h: Clarify floating-point situation in
4348 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4350 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4351 (find_include_file): Decide here which part of the include
4352 chain to start the search. Complain about an empty include
4353 chain in all cases apart from an abolsute file name.
4354 (_cpp_execute_include): Don't choose the search chain here.
4355 Don't call handle_missing_include in the case of an empty
4357 (_cpp_compare_file_date): Don't choose the search chain here.
4358 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4359 here from _cpp_execute_include. Behave like #include if
4360 we're in the main file.
4362 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4364 * system.h (malloc, realloc, calloc, strdup): Only poison these
4365 tokens when IN_GCC is defined.
4367 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4369 * i386.md (abs?f expander): Support SSE case.
4370 (abd?f_if): Add new "USE"; add splitters.
4372 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4374 * cpp.texi (poison): Explain the macro expansion exception.
4376 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4378 * expr.c (store_expr): Add dont_store_target. If temp is already in
4379 target before copying to reg, don't store it into target again.
4381 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4383 * cppinternals.texi: Update for file handling.
4385 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4387 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4388 2001-02-24 which broke building the Java library.
4389 * function.c (identify_blocks): Likewise.
4390 (all_blocks): Likewise.
4391 * integrate.c (integrate_decl_tree): Likewise.
4392 * print-tree.c (print_node): Likewise.
4393 * tree.h (BLOCK_NUMBER): Likewise.
4394 (struct tree_block): Likewise.
4396 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4398 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4399 __WCHAR_TYPE__ definition.
4400 (WCHAR_TYPE_SIZE): #undef before #define.
4402 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4404 * cppfiles.c: Update comments.
4405 (destroy_include_file_node): Rename destroy_node.
4406 (find_or_create_entry): New function.
4407 (open_file, _cpp_fake_include): Use it.
4408 (handle_missing_header): New function, broken out of
4409 _cpp_execute include. Don't segfault if there is no
4410 system or quoted path.
4411 (_cpp_execute_include): Use handle_missing_header.
4413 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4415 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4416 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4418 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4420 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4421 unless anti_dependence says they are.
4422 * alias.c (objects_must_conflict): If neither has a type specified,
4425 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4426 David Billinghurst <David.Billinghurst@riotinto.com>
4428 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4430 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4432 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4433 (*_one_bit): Remove type on the match_operand in attributes.
4435 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4437 * i386.c: Commit forgotten hunk in previous patch.
4438 (regclass_map): Add extended registers.
4439 (dbx_register_map): Add missing frame register.
4441 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4443 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4445 * i386.md (x86_sahf_1): Disable for 64bit.
4446 (popsi*, pophi*): Likewise.
4447 (pushqi, pushhi): Likewise.
4448 (movdi, pushdi): Likewise.
4449 (zero extend DImode splitter): Likewise.
4450 (adddi, minusdi splitter): Likewise.
4451 (umulsidi): Likewise.
4453 (mulsidi): Disable for 64bit
4454 (lshift:DI/ashift:DI): Disable for 64bit.
4455 (loop patterns): Likewise.
4456 (call_pop, call_value_pop expanders and patterns): Likewise.
4457 (prologue_get_pc): Likewise.
4459 (fcmovDI pattern and splitter): Likewise.
4460 (movdfcc_1_rex64): New.
4462 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4464 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4465 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4466 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4467 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4468 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4469 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4470 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4471 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4472 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4473 (REGPARM_MAX): Set to 6 for x86_64.
4474 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4475 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4478 * (patterns that does use upper halves): Update constraints
4479 'q' to 'Q' and 'r' to 'R'.
4480 (cmpqi_ext_1): Disable for 64bit.
4481 (cmpqi_ext_3_insn): Likewise.
4482 (movqi_extzv_1): Likewsie.
4483 (addqi_ext_1): Liekwsie
4484 (testqi_ext_1): Liekwsie
4485 (andqi_ext_1): Liekwsie
4486 (xorqi_ext_1): Liekwsie
4487 (cmpqi_ext_1_rex64): New.
4488 (cmpqi_ext_3_insn_rex64): Likewise.
4489 (movqi_extzv_1_rex64): Likewsie.
4490 (addqi_ext_1_rex64): Liekwsie
4491 (testqi_ext_1_rex64): Liekwsie
4492 (andqi_ext_1_rex64): Liekwsie
4493 (xorqi_ext_1_rex64): Liekwsie
4495 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4497 * configure.in: Move check for unsigned enumerated bitfields
4498 to macro in aclocal.m4. Disable it for now.
4499 * configure, config.in: Regenerate.
4500 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4501 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4502 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4503 kind above its first use.
4505 * config/xm-interix.h, config/alpha/xm-alpha.h,
4506 config/i370/xm-linux.h, config/i386/xm-beos.h,
4507 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4508 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4509 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
4510 Don't define ONLY_INT_FIELDS under any circumstances.
4512 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4514 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4515 config/sparc/xm-sysv4.h: Delete - now identical with some
4517 * config.gcc (hppa targets): Replace xm-pahpux.h and
4518 xm-papro.h with implicit xm-pa.h.
4519 (sparc targets): Replace xm-sysv4.h with implicit or explicit
4522 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4524 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4525 before reload_cse_noop_set_p.
4527 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4529 * config.gcc: Where xm-host.h used to include another
4530 xm-host.h, list the nested header directly in xm_file. Remove
4531 references to deleted files. Can now use sparc/xm-sp64.h for
4534 * config/xm-linux.h, config/arm/xm-linux.h,
4535 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4536 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4537 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4538 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4539 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4542 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4543 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4544 bother to wrap #undef in #ifdef.
4545 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4546 Don't include xm-linux.h.
4547 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4549 * configure.in: Wrap regexps using [] in changequote block.
4550 Use expr : not echo | grep. Simplify regexps.
4551 * configure: Regenerate.
4553 56 xm-files remain, 22 xm-arch.
4555 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4557 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4558 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4559 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4560 (copy_object): Fix format specifier vs argument mismatch.
4562 * mips-tdump.c: Make local functions static.
4563 (rindex): Don't #undef.
4564 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4565 (fatal, fancy_abort): Delete.
4566 (read_seek): Avoid signed/unsigned compare.
4568 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4570 * combine.c (try_combine): Fix error in change to try original
4572 (gen_rtx_combine): Do same as gen_rtx for now.
4574 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4576 * configure.in: AC_SUBST xm_defines.
4577 * configure: Regenerate.
4578 * Makefile.in: Set DEFINES=$(xm_defines) when building
4581 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4583 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4584 (cpp_included, find_include_file): Update.
4585 (_cpp_compare_file_date): Make else unconditional.
4587 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4589 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4591 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4593 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4594 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4596 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4598 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4599 if it's a record type.
4601 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4603 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4604 mingw includes slightly.
4606 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4608 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4609 #undef token before poisoning it.
4611 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4613 * alpha.c (check_float_value): Use memcpy, not bcopy.
4615 * m32r.c (m32r_sched_reorder): Likewise.
4617 * vax.c (check_float_value): Likewise.
4619 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4621 * toplev.c (file_name_nondirectory): Remove.
4622 * toplev.h: Similarly.
4623 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4624 of file_name_nondirectory.
4626 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4628 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4629 * mips-tfile.c: Don't #undef rindex; not used.
4631 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4633 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4634 (dbx64_register_map): Declare.
4635 (RETURN_ADDR_RTX): Fix for 64bit.
4636 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4637 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4638 * i386.c (dbx64_register_map): New global array.
4639 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4640 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4643 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4645 * cppfiles.c (search_from): Use lbasename.
4646 * mkdeps.c (deps_add_default_target): Use lbasename.
4648 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4650 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4651 xcalloc in lieu of malloc, realloc & calloc.
4653 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4655 * gengenrtl.c (xmalloc): Likewise.
4657 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4658 really_call_* memory allocation routines.
4660 * stmt.c (check_for_full_enumeration_handling): Use
4661 really_call_calloc, not calloc.
4663 * system.h (really_call_malloc, really_call_calloc,
4664 really_call_realloc): Define.
4665 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4667 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4669 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4671 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4673 * configure: Rebuilt.
4674 * configure.in: Only use `lang_requires' for languages athat are
4677 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4679 * invoke.texi: Fix typo.
4680 * gcc.1: Regenerate.
4682 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4684 * configure.in: Prune nonexistent files from build_xm_file,
4685 xm_file, and host_xm_file lists. Warn unless they're
4687 Don't generate *config.h here.
4688 AC_SUBST all variables needed to generate *config.h.
4689 * configure: Regenerate.
4690 * mkconfig.sh: New helper script, from code removed from
4692 * Makefile.in: Zap all MALLOC variables - no longer used
4693 anywhere, and malloc.c doesn't exist.
4694 Substitute in variables needed to generate *config.h.
4695 Stop lying about the dependencies contained in CONFIG_H and
4697 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4698 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4699 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4700 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4701 $(TM_P_H), etc. as appropriate.
4703 * config.gcc: Zap references to deleted files.
4704 * ggc-none.c: Don't include rtl.h or tm_p.h.
4706 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4707 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4708 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4709 config/i386/xm-linux.h, config/i386/xm-linux.h,
4710 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4711 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4712 Don't include i386/xm-i386.h.
4714 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4715 config/i386/xm-i386.h, config/i860/xm-i860.h,
4716 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4717 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4718 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4719 Delete (empty except comments, #includes of other deleted
4720 files, and macros used nowhere).
4722 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4724 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4725 independent on TARGET_FLAGS.
4727 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4729 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4731 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4733 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4735 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4736 LAST_REX_SSE_REG): define.
4737 (enum reg_class): Add 'LEGACY_REGS'
4738 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4739 (SSE_REGNO_P): Recognize extended registers.
4740 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4741 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4742 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4743 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4744 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4745 REG_OK_FOR_STRREG_P): Remove.
4746 (HI_REGISTER_NAMES): Add extended registers.
4747 (ADDITIONAL_REGISTER_NAMES): Likewise.
4748 (QI_REGISTER_NAMES): Add 8bit extended registers.
4749 (DEBUG_REG): Support extended registers.
4750 * i386.c (regclass_map): Add extended registers.
4751 (dbx_register-map): Likewise.
4752 (svr4_dbx_register_map): Likewise.
4753 (print_reg): Support extended registers.
4754 (print_operand): Support 64bit operands.
4756 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4758 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4759 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4760 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4761 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4762 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4763 STACK_BOUNDARY): Set properly for 64bits.
4764 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4765 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4766 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4767 (MOVE_MAX): Set to 16.
4768 (MOVE_MAX_PIECES): 8 for 64bit.
4769 (Pmode): Set to SImode.
4771 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4773 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4775 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4777 * i386.h (mask_64bit): New constant.
4778 (target_64bit): New macro.
4779 (target_options): Add '64'/'32'
4780 (target_default): Define.
4781 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4782 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4783 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4785 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4787 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4789 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4791 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4792 LO_SUM unless for_alias is set.
4794 2001-03-08 Stan Shebs <shebs@apple.com>
4796 * objc/objc-act.c: Fix old typos in comments, add comments for
4798 (hash_init): Fix file name in error message.
4799 (hash_enter): Ditto.
4800 (hash_add_attr): Ditto.
4801 (continue_class): Ditto.
4803 2001-03-08 Bruce Korb <bkorb@gnu.org>
4805 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4806 wait4() can receive the signal.
4808 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4810 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4812 * fixinc/fixincl.x: Regenerate.
4814 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4816 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4818 * fixinc/fixincl.x: Regenerate.
4820 2001-03-08 Richard Henderson <rth@redhat.com>
4822 * configure.in (HAVE_AS_LEB128): New assembler check.
4823 * configure, config.in: Rebuilt.
4825 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4827 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4830 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4832 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4833 references to the MAXPATHLEN macro.
4835 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4836 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4839 * config/i386/xm-gnu.h, config/xm-gnu.h,
4840 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4841 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4842 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4843 and/or unused files.
4845 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4846 doing so in various xm-*.h files.
4848 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4850 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4852 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4854 * configure.in (enable_shared): Support per-package shared-library
4856 * configure: Rebuilt.
4858 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4860 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4861 for crnot. Set operands[5] in splitter.
4863 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4865 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4866 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4867 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4868 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4869 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4870 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4871 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4874 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4875 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4876 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4877 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4878 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4879 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4880 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4881 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4882 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4883 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4884 Delete unused and/or empty files.
4886 * config.gcc: Define USG in xm_defines as appropriate. Define
4887 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4888 macro. Remove deleted xm-* files from $xm_files variable.
4890 2001-03-07 Tom Tromey <tromey@redhat.com>
4892 * configure: Rebuilt.
4893 * configure.in: Allow config-lang.in to set `lang_requires' to list
4894 of other required languages.
4896 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4898 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4900 (output_prologue): Use xmalloc not oballoc.
4901 (output_epilog): Free a29k_first_epilogue_insn when finished.
4902 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4904 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4906 * builtins.c (expand_builtin_mathfn): Check
4907 flag_unsafe_math_optimizations, not flag_fast_math.
4908 (expand_builtin): Likewise
4909 * combine.c (combine_simplify_rtx): Likewise.
4910 (simplify_if_then_else): Likewise.
4911 * cse.c (fold_rtx): Likewise.
4912 * flags.h: Remove flag_fast_math. Add
4913 flag_unsafe_math_optimizations and flag_trapping_math.
4914 * fold-const.c (negate_expr): Check
4915 flag_unsafe_math_optimizations, not flag_fast_math.
4916 (invert_truthvalue): Likewise.
4917 (fold): Likewise. Before associating operands, check that
4918 code == MULT_EXPR, not code != MULT_EXPR.
4919 * ifcvt.c (noce_try_minmax): Check
4920 flag_unsafe_math_optimizations, not flag_fast_math.
4921 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4922 * invoke.texi: Document -funsafe-math-optimizations and
4923 -fno-trapping-math. Change documentation for -ffast-math.
4924 * jump.c (reversed_comparison_code_parts): Likewise.
4925 (rtx_equal_for_thread_p): Likewise.
4926 * optabs.c (emit_conditional_move): Likewise.
4927 * simplify-rtx.c (simplify_binary_operation): Likewise.
4928 (simplify_relational_operation): Likewise.
4929 (simplify_ternary_operation): Likewise.
4930 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4931 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4932 Add trapping-math and unsafe-math-optimizations entries to f_options.
4933 (set_fast_math_flags): New, sets flags for -ffast-math.
4934 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4935 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4936 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4938 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4939 (alpha_emit_conditional_move): Initialize local_fast_math to
4940 flag_unsafe_math_optimizations, not flat_fast_math.
4941 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4942 instead of setting flag_fast_math to 1.
4943 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4945 * config/i386/i386.c (override_options): Likewise
4946 * config/i386/i386.md: Likewise.
4947 * config/m68k/m68k.md: Likewise.
4948 * config/mips/mips.md: Likewise.
4949 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4950 (rs6000_generate_compare): Likewise.
4952 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4954 * Makefile.in: Set RANLIB to @RANLIB@.
4957 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4959 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4960 * fixinc/fixincl.x: Regenerated.
4962 2001-03-07 Richard Henderson <rth@redhat.com>
4964 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4966 2001-03-07 Richard Henderson <rth@redhat.com>
4968 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4969 of block notes and exception handling notes.
4971 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4972 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4973 (compile_file): ... here.
4975 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4977 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4979 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4980 config.h now. Include libiberty.h to handle alloca.
4982 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4984 * c-parse.in (yylexname): New function, split out of _yylex.
4985 (objc_rid_sans_at): New table.
4986 (init_reswords): Initialize it.
4987 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4988 retrieving the next token and checking it for significance as
4989 an ObjC keyword or string constant.
4991 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4992 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4994 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4997 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4999 * config/m68k/m68k.c (const_uint32_operand): Accept any
5000 const_int on a 32-bit host.
5002 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
5004 * objc/objc-act.c (init_objc): Set save_lang_status,
5005 restore_lang_status, and mark_lang_status.
5007 2001-03-06 Krister Walfridsson <cato@df.lth.se>
5009 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
5011 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
5013 * cppinternals.texi: Update.
5015 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5017 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5018 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
5019 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
5020 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5021 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
5022 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5023 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
5024 config/i386/xm-i386.h, config/i860/xm-i860.h,
5025 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5026 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
5027 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5028 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5029 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5030 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5031 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
5032 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5033 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
5034 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5035 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5036 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
5037 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
5038 match the defaults provided in hwint.h.
5040 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5041 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
5043 * config.gcc (xm_file): Don't set to files which are deleted.
5045 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
5046 guard this file against these macros being undefined.
5048 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5050 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
5051 and DECL_DEFER_OUTPUT on the decl we create, before calling
5052 rest_of_decl_compilation.
5054 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5056 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5058 * configure, config.in: Regenerate.
5059 * config.gcc: Remove references to deleted files.
5061 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
5062 genrecog.c, rtl.c: Do not use alloca anywhere.
5064 * Makefile.in, build-make, system.h, config/x-interix,
5065 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
5066 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
5067 config/arc/xm-arc.h, config/arm/xm-arm.h,
5068 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5069 config/h8300/xm-h8300.h, config/i370/x-oe,
5070 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
5071 config/i386/x-ncr3000, config/i386/x-sco5,
5072 config/i386/xm-dgux.h, config/i860/x-sysv4,
5073 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
5074 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
5075 config/m68k/x-hp320g, config/m69k/x-mot3300,
5076 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
5077 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
5078 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
5079 config/m88k/x-sysv4, config/m88k/x-tekXD88,
5080 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5081 config/mips/x-iris, config/mips/x-iris3,
5082 config/mips/x-sni-svr4, config/mips/x-sysv,
5083 config/mips/xm-iris6.h, config/mips/xm-mips.h,
5084 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
5085 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
5086 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5087 config/pa/xm-papro.h, config/romp/xm-romp.h,
5088 config/rs6000/x-aix31, config/rs6000/x-aix41,
5089 config/rs6000/x-beos, config/rs6000/x-lynx,
5090 config/rs6000/x-mach, config/rs6000/x-rs6000,
5091 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
5092 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5093 config/sparc/x-sysv4, config/sparc/xm-linux.h,
5094 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
5095 config/vax/xm-vms.h: Eradicate all references to alloca and
5098 * config/xm-alloca.h, config/clipper/x-clix,
5099 config/i386/xm-sysv4.h, config/i860/x-fx2800,
5100 config/i860/x-sysv3, config/m88k/x-sysv3,
5101 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
5102 (contained only alloca related hacks).
5104 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
5107 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
5109 * invoke.texi: Document __FAST_MATH__.
5111 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5113 * crtstuff.c: Restore include of auto-host.h.
5115 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
5117 Put main() in a separate file, so that the language
5118 front-end can use a different main().
5121 * toplev.c: (main): Rename as toplev_main.
5122 * toplev.h: Declare toplev_main.
5123 * Makefile.in (OBJS): add toplev.o.
5124 (BACKEND): remove toplev.o, add main.o.
5126 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5128 * cppfiles.c (search_from): Special case the empty string.
5130 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5132 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
5133 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5134 strlen or strcpy; we already know the length.
5135 (_cpp_compare_file_date): Similarly.
5136 * cpphash.h (struct cpp_reader): Delete done_initialising.
5137 (CPP_PREV_BUFFER): Delete.
5138 * cppinit.c (cpp_start_read): Don't set done_initialising.
5139 * cpplex.c (parse_string): Guarantee null-termination.
5140 (_cpp_equiv_toklists): Remove.
5141 * cpplib.c (glue_header_name): Null-terminate.
5142 (do_line): Don't leak memory.
5143 * cpplib.h (BT_WEAK): Delete.
5144 * cppmain.c (cb_ident): Strings are now null-terminated.
5146 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
5148 * gcc.c (convert_filename): Append executable suffix
5149 if NO_AUTO_EXE_SUFFIX is not defined.
5150 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5151 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
5153 2001-03-03 David O'Brien <obrien@FreeBSD.org>
5155 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5156 * c-parse.gperf, c-gperf.h: Delete.
5157 (c-gperf.h was accidently re-added to the CVS repo in the rev
5158 1.16 commit by tromey)
5160 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5162 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5163 macro arguments when looking for the '('.
5164 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5165 2 when really parsing arguments; 1 when looking for '('.
5166 Always restore the lexer position.
5168 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5170 * longlong.h (umul_ppmm): Don't use a multiline string.
5172 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5174 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5175 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5176 t_bool in declaration because pcc can't combine volatile with typedef
5179 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
5181 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
5182 until when it is really needed.
5183 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
5184 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
5185 * i386.md (float?i?f splitter): Don't force source operand to memory
5187 (sse_movdfcc): Fix constraint.
5188 (sse_movdfcc splitter): Handle properly the second alternative.
5190 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5192 * cpplex.c (parse_string): Unconditionally pedwarn.
5194 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5197 * cppexp.c (parse_number): Update.
5198 * cpplex.c (parse_string): Pedwarn if multiline string does not
5199 result from a system header's macro.
5200 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5201 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5202 for function-like macros too.
5203 * c-lex.c (lex_number): Update.
5205 2001-03-03 Richard Henderson <rth@redhat.com>
5207 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5209 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5211 * combine.c (try_combine): If split with mode-changed scratch
5212 register didn't work, try the original mode.
5214 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5216 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5217 * config/c4x/c4x.h: Likewise.
5218 * stor-layout.c (compute_record_mode): Likewise.
5219 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5221 2001-03-02 Zack Weinberg <zackw@stanford.edu>
5223 * configure.in: Kill tm.h. Include the files in the $tm_file
5224 list in all three of config.h, hconfig.h, tconfig.h, after the
5225 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5226 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5227 * configure: Regenerate.
5228 * Makefile.in (clean): Don't delete tm.h.
5230 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5231 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5232 those are not defined, set SEC and FEC to 0 and 1.
5233 * gcc.texi: Update to match.
5235 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5236 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5237 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5238 Include tconfig.h, not tm.h.
5240 * config/xm-lynx.h, config/xm-std32.h,
5241 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5242 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5243 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5244 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5245 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5246 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5247 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5248 config/i386/xm-i386.h, config/i860/xm-i860.h,
5249 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5250 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5251 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5252 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5253 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5254 config/pa/xm-linux.h, config/pa/xm-pa.h,
5255 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5256 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5257 config/pj/xm-pj.h, config/romp/xm-romp.h,
5258 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5259 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5260 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5261 config/v850/xm-v850.h, config/vax/xm-vax.h,
5262 config/we32k/xm-we32k.h:
5264 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5266 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5267 config/i370/xm-oe.h: Don't include tm.h. Don't define
5269 * config/vax/xm-vms.h: Don't include tm.h.
5271 * config/xm-lynx.h, config/avr/xm-avr.h,
5272 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5273 Delete; made empty by above changes.
5274 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5275 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5276 Don't include config/xm-lynx.h or tm.h.
5278 * config/xm-gnu.h: Don't include fcntl.h.
5279 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5281 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5283 2001-03-02 Richard Henderson <rth@redhat.com>
5285 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5286 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5288 2001-03-02 Richard Henderson <rth@redhat.com>
5290 * Makefile.in (OBJS): Add dwarf2asm.o.
5291 * dwarf2asm.c, dwarf2asm.h: New files.
5292 * dwarf2out.c (*): Use them.
5293 (size_of_uleb128, size_of_sleb128): Remove.
5294 (output_uleb128, output_sleb128): Remove.
5295 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5296 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5297 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5298 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5299 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5300 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5301 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5302 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5303 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5304 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5305 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5306 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5307 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5308 (dwarf2out_frame_debug): Remove unused variables.
5309 (output_loc_operands): Don't abort on 8 byte constants if
5310 host integers are wide enough.
5311 (output_symbolic_ref): Remove.
5312 (size_of_die): Don't assume 4 byte host integers.
5313 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5315 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5316 something stupid with HOST_WIDE_INT to long truncation.
5317 [CONST_DOUBLE]: Likewise.
5319 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5320 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5321 * config/arm/unknown-elf.h: Likewise.
5322 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5323 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5324 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5325 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5326 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5327 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5328 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5329 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5330 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5331 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5332 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5333 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5335 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5337 * cselib.c (hash_rtx): Cast enums to unsigned int.
5339 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5341 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5342 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5344 * c-format.c (C_STD_VER): Cast to int for comparisons.
5345 (check_function_format): Cast various enums to int for &.
5346 (maybe_read_dollar_number): Likewise.
5347 (check_format_info): Likewise.
5348 (check_format_info_main): Likewise.
5349 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5350 (safe_from_p): Likewise.
5351 * varasm.c (const_hash): Cast enum to int for %.
5352 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5353 pcc enum problems with < and ++ operators.
5354 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5355 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5356 (regclass_init): Change enum class to int to iterate over reg_classes.
5357 * genrecog.c (merge_trees): Cast enums for comparison.
5358 * rtl.h (GET_CODE): Cast to enum rtx_code.
5359 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5360 (GET_MODE): Cast to enum machine_mode.
5361 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5362 (GET_NOTE_INSN_NAME): Cast enum to int.
5363 * tree.h (TREE_CODE): Cast to enum tree_code.
5364 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5365 * timevar.c (timevar_print): Change loop variable id from enum to
5367 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5368 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5369 * toplev.c (compile_file): Cast enum DFI to int.
5370 (decode_d_option): Likewise.
5372 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5374 * cppinit.c (append_include_chain): Mark "after" include file name list
5375 as a system directory.
5376 * cpp.texi: Document new behavior.
5378 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5380 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5382 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5384 * cppfiles.c (struct include_file): Update.
5385 (stack_include_file): Use search_from.
5386 (cpp_included, find_include_file): Update.
5387 (cpp_execute_include): Update. ptr->name may not be
5388 null terminated. Use the new search_from member variable
5390 (_cpp_compare_file_date): Similarly.
5391 (search_from): New function, similiar to actual_directory.
5392 (actual_directory): Delete.
5393 (remap_filename): Update. loc->name may not be null terminated.
5394 (struct file_name_list): Rename search_path. Update.
5395 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5396 search_from and dir.
5397 (struct cpp_reader): Remove actual_dirs.
5398 * cppinit.c (struct cpp_pending): Update for renamed objects.
5399 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5400 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5401 * cpplib.h (struct cpp_options): Similarly.
5403 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5405 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5406 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5407 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5408 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5409 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5410 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5411 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5412 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5413 config/i370/xm-oe.h, config/i386/xm-aix.h,
5414 config/i386/xm-i386.h, config/i386/xm-osf.h,
5415 config/i860/xm-i860.h, config/i960/xm-i960.h,
5416 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5417 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5418 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5419 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5420 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5421 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5422 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5423 config/pj/xm-pj.h, config/romp/xm-romp.h,
5424 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5425 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5426 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5427 config/v850/xm-v850.h, config/vax/xm-vax.h,
5428 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5429 Do not define TRUE or FALSE.
5431 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5432 empty by above change.
5433 * config.gcc: Remove references to these files.
5435 * configure.in: Detect stdbool.h.
5436 * configure, config.in: Regenerate.
5437 * system.h: Include stddef.h here if available.
5438 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5439 Then set up a sensible boolean type at the very end.
5441 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5442 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5444 * hash.h: Delete 'boolean' typedef and related #undefs.
5446 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5447 all uses of 'boolean' with 'bool'.
5449 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5451 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5452 * cppexp.c (lex): Cast enums for comparison.
5453 * cppinit.c (parse_option): Cast enum for comparison.
5454 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5455 (cpp_output_token): Likewise.
5456 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5457 (cpp_avoid_paste): Cast enums for minus and comparison.
5459 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5461 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5462 field to all array elements.
5464 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5466 * cpphash.h (struct cpp_reader): Add print_version field.
5467 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5468 just set print_version and other flags as appropriate.
5469 (cpp_post_options): Print version here if print_version is set.
5471 * toplev.c (exit_after_options): New flag.
5472 (independent_decode_option): Don't exit here; just set
5474 (main): Exit after calling lang_hooks.post_options if
5475 exit_after_options is true.
5477 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5478 (merge_include_chains): Adjust comment to match code.
5480 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5482 * stringpool.c (set_identifier): New function.
5483 * tree.h: Prototype it.
5485 * c-parse.in: Kill D_YES. If compiled for objc, call
5486 save_and_forget_protocol_qualifiers from init_reswords.
5487 * objc/objc-act.c (remember_protocol_qualifiers,
5488 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5489 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5491 (save_and_forget_protocol_qualifiers): New function.
5492 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5494 2001-03-01 Diego Novillo <dnovillo@redhat.com>
5496 * c-semantics.c (prune_unused_decls): Return error_mark_node
5497 instead of (tree) 1 to stop traversing the tree chain.
5499 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5501 Fix a problem introduced by Kenner's Feb 18 change.
5502 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5503 flag_cse_skip_blocks only temporarily, not for ever.
5505 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5507 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5508 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5510 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5511 before determining its register class.
5513 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5515 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5516 from reg 4 if current_function_calls_setjmp.
5517 (gen_nop_type): New function.
5518 (ia64_emit_nops): New function.
5519 (ia64_reorg): Call it.
5520 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5522 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5523 code not to try to optimize adds with anything but a REG destination.
5525 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5526 (INSN_PRIORITY_KNOWN): New accessor macro.
5527 * haifa-sched.c (priority): Use it instead of testing priority against
5530 2001-02-28 DJ Delorie <dj@redhat.com>
5532 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5533 since that doesn't work the way gcc wants on a generic m68k.
5535 2001-02-28 Richard Henderson <rth@redhat.com>
5537 * caller-save.c (save_call_clobbered_regs): Fix typo in
5538 comparison last change.
5540 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5542 * i386.c (pentium4_cost): New.
5543 (m_PENT4): New macro.
5544 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5545 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5546 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5547 x86_memory_mismatch_stall): Add Pentium4
5548 (x86_use_q_reg, x86_use_any_reg): Kill.
5549 (override_options): Add pentium4.
5550 (incdec_operand): Return 0 for pentium4.
5551 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5552 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5553 (TARGET_PENTIUM4): Define.
5554 (enum processor_type): Add PROCESSOR_PENTIUM4.
5555 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5556 * i386.md (attribute "cpu"): Add pentium4.
5557 * invoke.texi (march): Add pentium4.
5559 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5561 * i386.md (sse_mov?fcc*): New patterns and splitters.
5562 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5563 the SSE based conditional moves.
5565 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5567 * i386.md (attribute mode): Add "TI".
5568 (movsf_1): Add pxor support; remove constant propagation splitter.
5569 (movdf_integer): Likewise.
5570 (movdf_nointeger): Likewise.
5571 (movxf constant prop splitter): Handle all modes; update for SSE.
5572 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5573 * i386.c (standard_80387_constant_p): Rewrite.
5574 (standard_sse_constant_p): New.
5575 * i386-protos.h (standard_sse_constant_p): New.
5577 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5579 * i386.md (sse_setccsf, sse_setccdf): New.
5580 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5582 * i386.c (sse_comparison_operator): Accept the supported unordered
5583 comparses; be ready for fast_math.
5584 (print_operand): Support 'D'.
5586 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5588 * jump.c (reversed_comparison_code): Kill.
5590 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5592 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5595 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5597 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5598 add missing '%' in constraints.
5600 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5602 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5603 for HOST_BITS_PER_WIDE_INT == 32 too.
5605 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5607 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5609 (insert_save, insert_restore): New parameter save_mode.
5610 (init_caller_save): Update initialization of reg_save_code
5611 and reg_restore_code.
5612 (save_call_clobbered_regs): Compute save_modes and update calls to
5613 reg_save_code and reg_restore_code.
5614 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5615 of spill; update use of reg_restore_code.
5616 (insert_save): Likewise.
5617 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5618 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5619 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5621 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5623 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5624 noce_try_store_flag_inc, noce_try_store_flag_mask,
5625 noce_try_cmove_arith):
5626 Use reversed_comparison_code instead of reverse_comparison and
5627 can_reverse_comparison_p.
5629 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5631 * jump.c (reversed_comparison_code_parts): Allow reversal of
5632 unordered compares in -ffast-math mode; reverse ordered compares
5633 for FP even w/o -ffast-math.
5635 2001-02-27 Richard Henderson <rth@redhat.com>
5637 * print-rtl.c (print_rtx) [i]: Don't print field five on
5638 NOTEs other than NOTE_INSN_DELETED_LABEL.
5640 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5642 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5643 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5645 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5647 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5648 even if walk_subtrees is 0.
5649 * c-semantics.c (prune_unused_decls): Return a non-null value to
5650 stop traversing the tree chain.
5652 2001-02-27 DJ Delorie <dj@redhat.com>
5654 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5655 register, *then* define it as the new CFA.
5657 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5659 * pa.c (override_options): Promote -fpic to -fPIC.
5660 (legitimize_pic_address): Simplify due to removal of
5661 small PIC as a code generation option.
5662 (secondary_reload_class): Similarly.
5663 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5664 (PRINT_OPERAND_ADDRESS): Similarly.
5665 * pa.md (various patterns): Similarly.
5666 (small pic lo_sum pattern): Remove.
5668 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5671 * md.texi (min, max): Document
5673 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5675 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5676 TARGET_PARTIAL_REG_DEPENDENCY.
5677 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5679 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5681 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5683 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5685 * mips.c (mips_make_temp_file): Fix thinko in last change.
5687 2001-02-26 Jason Eckhardt <jle@redhat.com>
5689 * combine.c (known_cond): Do not reverse the condition when
5690 SMAX/UMAX is being considered and the condition is for equality
5693 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5695 2001-02-26 Philip Blundell <philb@gnu.org>
5697 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5699 * config/arm/linux-elf.h: Remove historical relics related to
5700 above configurations.
5701 * config/arm/linux-oldld.h: Delete.
5702 * config/arm/linux-elf26.h: Delete.
5704 2001-02-26 Jason Merrill <jason@redhat.com>
5706 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5708 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5709 recognize a tentative definition. Lose obsolete code.
5711 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5712 variables unless necessary, either.
5714 2001-02-25 Richard Henderson <rth@redhat.com>
5716 * ifcvt.c (struct noce_if_info): Add test_bb.
5717 (noce_get_alt_condition): New.
5718 (noce_try_minmax, noce_try_abs): New.
5719 (noce_operand_ok): New.
5720 (noce_process_if_block): Use them.
5721 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5723 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5725 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5728 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5730 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5731 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5733 (mips_asm_file_end): Free temp_filename here.
5735 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5737 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5738 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5740 * config/i386/i386.md (movstrsi): Handle FAIL case.
5742 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5744 * cppinit.c (builtin_array): Update.
5745 (init_builtins): Flag builtins to warn if redefined or
5746 undefined. Define __GXX_WEAK as a normal macro.
5747 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5748 * cpplib.h (NODE_WARN): New flag.
5749 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5750 Handle __STDC__ as a builtin only on Solaris.
5751 (warn_of_redefinition): Renamed from check_macro_definition.
5752 Reverse sense of test. Always warn if NODE_WARN.
5753 (_cpp_create_definition): Use warn_of_redefinition. Flag
5754 any macro beginning with "__STDC_" to require a mandatory
5755 warning if redefined or undefined.
5757 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5759 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5760 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5761 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5762 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5763 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5764 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5765 Don't define any of:
5766 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5767 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5768 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5769 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5770 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5772 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5773 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5776 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5777 Delete now-empty file.
5779 * alpha/vms.h: Define NEED_ATEXIT here...
5780 * alpha/xm-vms.h: ...not here.
5782 * i386/cygwin.h: Don't define PARAMS.
5783 * mips/mips.c: Don't prototype mktemp. Don't define
5784 P_tmpdir. Use make_temp_file to create temporary files.
5785 Don't be clever and delete temporary files early.
5786 * config.gcc: Drop references to deleted files. Don't define
5788 * gcc.texi: Don't mention USE_PROTOTYPES.
5790 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5792 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5793 (ix86_set_move_mem_attrs_1): Likewise.
5794 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5795 * config/i386/i386.md (movstrsi): Call it.
5797 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5799 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5800 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5801 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5802 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5804 (i750a-*-*): Error here if hosting on i750a.
5805 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5807 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5808 Remove (empty modulo comments).
5810 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5811 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5812 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5813 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5814 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5815 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5817 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5818 Remove reference to winnt.h in comment.
5819 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5821 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5823 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5824 used to set another biv.
5826 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5828 * tree.h (BLOCK_DEAD): New macro.
5829 (struct tree_block): New flag, dead_flag.
5830 * print-tree.c (print_node, case 'b'): Print missing fields.
5831 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5832 * function.c (identify_blocks): Enable test for misplaced notes.
5833 (all_blocks): Skip BLOCK_DEAD blocks.
5834 * integrate.c (integrate_decl_tree): Likewise.
5836 * errors.c (internal_error, trim_filename): New functions.
5837 (fancy_abort): Call internal_error.
5838 * errors.h (internal_error, trim_filename): New declarations.
5840 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5842 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5844 (EXTRA_CONSTRAINT): Formatting changes.
5846 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5848 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5850 2001-02-23 Per Bothner <per@bothner.com>
5852 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5853 so they can be called from java/jvspec.c.
5854 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5856 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5858 * i386.c (ix86_frame): New structure.
5859 (ix86_compute_frame_size): Kill.
5860 (ix86_compute_frame_layout): New.
5861 (ix86_save_reg): New.
5862 (ix86_can_use_return_insn_p): Use frame layout stuff.
5863 (ix86_expand_prologue): Likewise.
5864 (ix86_expand_epilogue): Likewise.
5865 (ix86_initial_elimination_offset): Likewise.
5866 (ix86_nsaved_regs): Use ix86_save_reg.
5867 (ix86_emit_save_regs): Likewise.
5869 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5871 * flow.c (find_sub_basic_blocks): New function.
5872 (split_block): Be ready for basic block introduced by CODE_LABEL.
5873 (commit_one_edge_insertion): Call find_sub_basic_block.
5875 * flow.c (make_edges): Add edge from entry for blocks starting with
5876 label having ALTERNATE_NAME
5878 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5880 * function.c (epilogue_done): Be ready for first basic block not
5881 containing PROLOGUE_END note.
5882 (reposition_prologue_and_epilogue_notes): Avoid placing
5883 PROLOGUE_END note between BASIC_BLOCK.
5885 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5887 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5889 2001-02-21 DJ Delorie <dj@redhat.com>
5891 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5892 check for current_function_has_nonlocal_goto from 1999-11-12.
5894 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5896 * diagnostic.c (trim_filename): No longer static.
5897 * toplev.h (trim_filename): Declare.
5898 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5899 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5900 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5901 (rtvec_check_failed_bounds): Likewise.
5902 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5904 * convert.c (convert_to_integer): Don't do unsigned unless result or
5905 both inputs are unsigned.
5907 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5910 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5912 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5914 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5916 * Makefile.in (resource.o): Add params.h dependence.
5917 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5918 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5919 * resource.c: Add dependence on params.h.
5920 (current_live_regs): Fix explanatory comment.
5921 (find_basic_block): Add new parameter to permit limiting search
5923 (mark_target_live_regs): Add new argument to find_basic_block call.
5924 (incr_ticks_for_insn): Likewise.
5926 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5928 * diagnostic.c (output_to_stream): Rename to
5929 output_buffer_to_stream. Loses the stream parameter.
5930 (init_output_buffer): Set diagnosic_buffer's stream.
5931 (flush_diagnostic_buffer): Adjust.
5932 (default_print_error_function): Likewise.
5933 (finish_diagnostic): Likewise.
5934 (verbatim): Likewise.
5936 * diagnostic.h (struct output_buffer): Add `stream' field.
5937 (output_buffer_attached_stream): New macro.
5939 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5941 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5942 check if either operand is divisible by C.
5943 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5944 If type is signed, consider negative numbers as well.
5946 2001-02-22 Richard Henderson <rth@redhat.com>
5948 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5949 reach .text instead of gp-relative relocs.
5950 * config/ia64/crtend.asm (.init): Likewise.
5952 2001-02-22 Andreas Jaeger <aj@suse.de>
5954 * extend.texi (C++ Attributes): Fix typo.
5956 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5958 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5959 functions, drop current_function_args_info.words test.
5960 (ia64_compute_frame_size): Mark syscall_linkage functions as
5961 using eight input registers.
5963 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5964 Bruce Korb <bkorb@gnu.org>
5966 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5967 * fixinc/README: Document how to convert sed substitutions
5968 to format style c_fix-es.
5969 * fixinc/fixincl.x: regen
5971 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5973 * gcc.c: Add comment explaining how to add a command-line option.
5974 Add title to specs language comment.
5976 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5978 * gcc.c (cc1_options): Add "-param".
5979 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5980 (option_map): Likewise.
5981 * toplev.c (display_help): Add entry for "--param".
5982 (independent_decode_option): Fix typographical error.
5984 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5985 Bernd Schmidt <bernds@redhat.com>
5986 Jan Hubicka <jh@suse.cz>
5988 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5989 (function_arg): Likewise.
5991 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5993 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5995 2001-02-21 Kazu Hirata <kazu@hxi.com>
5997 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
6001 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
6003 * flow.c (init_propagate_block_info): Canon address and use single_set
6004 for killing dead memory stores.
6006 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6008 * Makefile.in (reorg.o): Add params.h dependence.
6009 * params.def: Fix typographical error in comment.
6010 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6011 * params.h: Modify introductory comment.
6012 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6013 * reorg.c: Add dependence on params.h.
6014 (redundant_insn): Add parameterized throttle for search.
6015 (fill_simple_delay_slots): Add a comment explaining a variable.
6016 Move conditional out of loop, simplifying code.
6017 (fill_eager_delay_slots): Fix typographical error in comment.
6019 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
6021 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
6023 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
6024 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
6026 2001-02-21 Jason Merrill <jason@redhat.com>
6028 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
6029 (struct tree_decl): Add uninlinable bitfield.
6030 * c-decl.c (duplicate_decls): Set it.
6031 * integrate.c (function_cannot_inline_p): Check it.
6033 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
6034 DW_AT_MIPS_linkage_name to abstract methods.
6035 (dwarf2out_abstract_function): Emit class context before calling
6036 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
6037 (gen_subprogram_die): Remove obsolete code.
6038 (gen_member_die): Don't include clones in the member list.
6039 (gen_decl_die): Emit abstract info for clone origin.
6040 * dwarfout.c (output_type): Don't include clones in the member list.
6041 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
6042 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
6043 DECL_ABSTRACT on a function that already has it set.
6045 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
6046 (get_subprogram_die): Pass it in.
6048 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
6050 * flow.c (mark_set_1): Make not_dead unsigned long. For
6051 non-pseudos, use it as a bitmask of the hard regs that
6054 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
6056 * cppfiles.c: Update comments.
6057 (_cpp_read_file): Don't check for NULL filenames any more.
6058 * cppinit.c (cpp_start_read): Don't do canonicalization of
6059 in_fname and out_fname. Use the passed file name exclusively.
6060 (_cpp_handle_options): Don't treat "-" as a command line option,
6061 but as a normal filename.
6062 (_cpp_post_options): Canonicalize in_fname and out_fname.
6063 * cppmain.c (printer_init): Don't check out_fname for NULL.
6064 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
6065 (init_c_lex): Update, and use "" to represent stdin to CPP.
6068 2001-02-20 Will Cohen <wcohen@redhat.com>
6070 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
6071 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
6072 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
6075 2001-02-20 Stan Shebs <shebs@apple.com>
6077 * config/rs6000/rs6000.c (output_cbranch): Output branches
6078 on separate lines instead of using ';' to separate.
6080 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
6082 * cppinit.c (set_lang): Move builtin handling to...
6083 (init_builtins): ...here.
6084 (_cpp_create_reader): Move call to set_lang.
6086 2001-02-20 Mark Mitchell <mark@codesourcery.com>
6088 * stmt.c (expand_return): If an attempt is made to return the
6089 error_mar_node, treat the return like a return without a value.
6091 2001-02-19 Zack Weinberg <zackw@stanford.edu>
6093 * sibcall.c (skip_copy_to_return_value): Call
6094 identify_call_return_value here, and return orig_insn if it
6095 returns zero. Hardret and softret arguments now unnecessary.
6096 (call_ends_block_p): Don't call identify_call_return_value here.
6098 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
6100 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
6101 * ggc.h (ggc_mark_if_gcable): Delete prototype.
6103 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
6105 * pa.c (move_operand): Accept code to load the address of a
6106 symbol out of the DLT as a valid move operand.
6107 (print_operand, case 'A'): New to handle generating a DLT
6108 reference for a LO_SUM expression.
6109 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
6110 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
6112 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
6114 * README, cpp.texi, gcc.texi, version.c: Update version number to
6116 * cpp.1, gcov.1, gcc.1: Regenerate.
6118 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
6120 * cppfiles.c (stack_include_file): Generate dependencies
6121 here, and manage include_count here too.
6122 (PRINT_THIS_DEP): Delete.
6123 (_cpp_execute_include): Do not generate dependencies here,
6124 apart from the case of a missing header. Do not manage
6126 (_cpp_read_file): Leave dependency generation to
6129 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
6131 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
6132 target_cpu_default. Remove dead assignment to
6135 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
6137 * regclass.c (contains_reg_of_mode): Make global.
6138 (init_reg_sets): Remove contains_reg_of_mode; take into account
6139 CLASS_MAX_NREGS when looking for the proper mode.
6140 (dump_regclass): Dump only classes considered for the pseudo.
6141 (regclass): Use contains_reg_of_mode.
6143 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
6145 * gcc.c (do_spec_1): 'n' for printing notices.
6146 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
6148 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
6150 * reg-stack.c (next_flags_user): Use current_block->end
6151 (swap_rtx_condition): Look for next user if flags don't die;
6152 give up on CALL_INSNs; use current_block->end.
6154 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6156 * sibcall.c (call_ends_block_p): New function.
6157 (optimize_sibling_and_tail_recursive_call): Use it.
6159 2001-02-18 Kazu Hirata <kazu@hxi.com>
6161 * config/h8300/h8300.md: Update copyright.
6162 (andsi3): Do not output an extra newline character.
6164 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6166 * toplev.c (note_deferral_of_defined_inlined_function): Argument
6167 FNDECL may be unused.
6169 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
6170 follow jumps after first run.
6171 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
6172 it doesn't change any jumps.
6174 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
6176 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
6177 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
6178 (mostlyclean): Corresponding changes.
6179 * rtlanal.c (hard-reg-set.h): Include.
6180 (rtx_unstable_p): Do not treat the argument pointer specially
6181 if it is not a fixed register.
6182 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
6184 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6186 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
6187 against last real insn in basic block.
6188 Rework to avoid gotos.
6190 * Makefile.in (gcse.o): Now includes ggc.h.
6191 * gcse.c: Include ggc.h.
6192 (want_to_gcse_p): Verify expression can be in SET as valid insn.
6193 (try_replace_reg): Remove warning of uninitialize variable.
6194 (process_insert_insn): Call invalid_insn_p to validate insn.
6195 * recog.c (insn_invalid_p): Now global.
6196 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
6197 * recog.h (insn_invalid_p): New declaration.
6199 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6201 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
6202 assignments from FP constants since 'Y' output code can't handle it.
6203 (eligible_for_sibcall_delay): Likewise.
6205 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6206 Call fancy_abort directly, passing args.
6207 (print_rtl_and_abort): Now a macro, like fancy_abort.
6209 * final.c (output_operand_lossage): Use internal_error, not error.
6211 2001-02-18 Shane Nay <shane@agendacomputing.com>
6213 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
6214 structure shift insns.
6216 2001-02-18 Mark Mitchell <mark@codesourcery.com>
6218 * invoke.texi (-fsquangle): Remove documentation.
6219 (-fname-mangling-version): Likewise.
6221 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
6223 * optabs.c (expand_abs): Remove reference to
6224 HAVE_contitional_arithmetic.
6225 * combine.c (simplify_set): Likewise.
6227 2001-02-18 Richard Henderson <rth@redhat.com>
6229 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6232 2001-02-18 Richard Henderson <rth@redhat.com>
6234 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6236 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6238 * reload1.c (reload_cse_simplify_set): Fix typo.
6240 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6242 * diagnostic.c (_fatal_insn): Decrement errorcount.
6244 * invoke.texi (-I): Add note avoiding use for system header files.
6246 * rtl.h (add_clobbers): Remove duplicate declaration.
6247 * recog.h (added_clobbers_hard_reg_p): New declaration.
6248 * genemit.c (struct clobber_pat): New field has_hard_reg.
6249 (gen_insn): Record if added clobbers clobber hard reg.
6250 (gen_split): Avoid unused warning if number of operands is 0.
6251 (output_added_clobbers_hard_reg_p): New function.
6254 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6256 * pa.c (hppa_expand_prologue): Simplify code storing return
6257 pointer. For large (>=8k) frames with a post_store, adjust stack
6258 pointer by 8k-64 first rather than by 64. When testing with
6259 VAL_14_BITS_P, always use the actual value rather than the value
6260 negated. Add blockage to prevent scheduling of spills before
6261 stack frame has been created.
6262 (hppa_expand_epilogue): Simplify code loading return pointer.
6263 Allow a slightly larger range for merge_sp_adjust_with_load case.
6264 When testing with VAL_14_BITS_P, always use the actual value.
6266 * pa.c (pa_adjust_insn_length): Check that block move
6267 pattern is a set before looking at operands.
6269 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6271 * fold-const.c (fold_binary_op_with_conditional_arg): New
6272 function, split out from ...
6274 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6275 conditional arms that throw exceptions.
6277 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6280 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6282 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6283 define HAVE_DECL_* to 1 to mask potential backup declarations.
6284 * configure: Regenerated.
6286 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6288 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6290 2001-02-17 Richard Henderson <rth@redhat.com>
6292 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6293 when replacing a memory load with a register.
6295 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6296 Jan Hubicka <jh@suse.cz>
6298 * recog.c (validate_replace_src_1): New.
6299 (validate_replace_src_data): Likewise.
6300 (validate_replace_src): Use note_uses.
6301 * rtl.h (note_uses): Declare.
6302 * rtlanal.c (note_uses): New.
6304 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6306 * reg-stack.c (stack_def): Make field reg unsigned.
6307 (remove_regno_note): Unsignetize parameter.
6309 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6311 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6312 shladd_operand() call.
6314 2001-02-16 Bruce Korb <bkorb@gnu.org>
6315 Rodney Brown <RodneyBrown@mynd.com>
6317 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6318 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6319 machine restrictions
6320 * fixinc/fixincl.x: regen
6322 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6324 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6326 (hash_scan_insn): Clean up calls to hash_scan_set.
6327 (compute_kill_rd): REGNO now unsigned.
6328 (try_replace_reg): Rework to use simplify_replace_rtx.
6329 (cprop_jump, cprop_cc0_jump): Likewise.
6330 (cprop_insn): Call find_reg_equal_equiv_note.
6331 Reflect changes to cprop_jump and cprop_cc0_jump.
6333 * recog.c (validate_replace_src): Replace in operands of
6334 ZERO_EXTRACT in SET_DEST.
6336 * cse.c (new_label_ref): New variable.
6337 (insert): Set it instead of recorded_label_ref.
6338 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6339 CODE_LABEL for this function, and not already in REG_LABEL note.
6341 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6343 * resource.c (mark_referenced_resources): Fix typo in introductory
6345 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6348 2001-02-16 Jason Merrill <jason@redhat.com>
6350 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6352 (gen_subprogram_die): Don't abort on seeing a second definition if
6353 the previous one was abstract. Don't replace an abstract instance
6354 in the lookup table.
6356 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6357 gen_abstract_function.
6358 * dwarf2out.h: Declare it.
6359 * toplev.c (note_outlining_of_inline_function): New fn.
6360 * toplev.h: Declare it.
6361 * integrate.c (output_inline_function): Call it.
6362 * c-decl.c (duplicate_decls): Call it when redefining an extern
6363 inline. Don't inline the new defn.
6365 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6367 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6369 * .gdbinit: Rename to gdbinit.in.
6370 * gdbinit.in: New file,
6371 * configure.in: Generate .gdbinit from gdbinit.in.
6372 * configure: Regenerated.
6373 * Makefile.in (distclean): Always remove .gdbinit.
6375 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6377 * objc/objc-act.c (start_class): Register implemented_classes with
6380 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6382 * cppfiles.c (_cpp_make_system_header): Generate a file
6385 2001-02-15 Jim Meyering <meyering@lucent.com>
6387 * Makefile.in (install-common): Don't depend on installdirs here.
6388 Instead, make each of the lang.install-common targets (e.g.,
6389 c++.install-common in cp/Make-lang.in) depend on it.
6390 (install-driver): Depend on installdirs.
6392 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6394 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6396 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6399 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6401 * invoke.texi (--param): Document.
6403 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6405 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6407 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6409 * i386.md (extendsfdf2_2): Fix constraints.
6411 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6413 * i386.md (fop_df_3 splitter): Fix operand number.
6415 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6417 * invoke.texi (-mreg-alloc): Nuke.
6418 * i386.c (ix86_reg_alloc_order, regs_allocated,
6419 order_regs_for_local_alloc): Nuke.
6420 (override_options): Kill reg_alloc code.
6421 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6422 (REG_ALLOC_ORDER): SSE goes before I387.
6423 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6424 (ix86_reg_alloc_order): Likewise.
6425 * i386-protos.h (ix86_reg_alloc_order): Kill.
6427 2001-02-14 Richard Henderson <rth@redhat.com>
6429 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6431 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6433 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6435 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6437 * i386-protos.h (ix86_memory_move_cost): Move offline.
6438 * i386.c (ix86_register_move_cost): Compute properly cost of
6439 SSE, MMX and i387 instructions.
6440 (*_cost): Add costs of SSE/MMX moves.
6441 (ix86_memory_move_cost): Move offline from ....; Likewise.
6442 * i386.h (MEMORY_MOVE_COST): .... here;
6443 (struct processor costs): Add new fields to represent costs
6446 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6448 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6449 move_cost together with Matt Kraai's fix.
6451 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6453 * Makefile.in (OBJS): Add params.o.
6455 2001-02-14 Richard Henderson <rth@redhat.com>
6456 DJ Delorie <dj@redhat.com>
6458 * jump.c (jump_optimize_1): When we delete a conditional jump
6459 preceeding a non-conditional jump to effectively the same place,
6460 make sure that the combined jump skips any clobber insns between
6463 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6465 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6467 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6469 * Makefile.in (toplev.o): Depend on params.h.
6470 (intergate.o): Likewise.
6471 (params.o): New target.
6472 * flags.h (inline_max_insns): Remove.
6473 * integrate.c: Include params.h.
6474 Use MAX_INLINE_INSNS instead of inline_max_insns.
6475 * params.c: New file.
6476 * params.h: Likewise.
6477 * params.def: Likewise.
6478 * toplev.c: Include params.h.
6479 (lang_independent_params): New variable.
6480 (decode_f_option): Use the param machinery instead of setting
6482 (independent_decode_option): Handle "--param name=value".
6483 (main): Register language-independent parameters.
6485 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6487 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6489 2001-02-14 Richard Henderson <rth@redhat.com>
6491 * regclass.c (init_reg_sets_1): Revert last two changes.
6493 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6495 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6496 (variable_size): Call put_pending_size.
6497 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6498 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6499 sizes list, put newly created SAVE_EXPR there as well.
6501 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6503 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6504 (errata_find_address_regs): load_group has only 2 entries.
6505 (errata_emit_nops): Likewise. shladd is not problematic.
6506 Clear last_group if nop was emitted.
6507 (fixup_errata): load_group has only 2 entries.
6510 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6512 * c-lex.c (lex_number): Only warn traditionally for U suffix
6513 outside system macros.
6514 * cppexp.c (parse_number): Similarly.
6515 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6516 * cppmacro.c (struct cpp_macro): New member node.
6517 (parse_args): Only warn about missing rest args if not
6519 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6520 (cpp_sys_objmacro_p): New.
6521 (_cpp_create_definition): Store the node with the macro defn.
6522 Remember if the macro is defined in a system header.
6524 2001-02-13 DJ Delorie <dj@redhat.com>
6526 * configure.in (check_languages): determine languages to check
6527 * Makefile.in (check-c++): alias for check-g++
6528 (check-f77): alias for check-g77
6529 (CHECK_TARGETS): depend on configured languages
6531 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6533 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6534 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6535 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6536 (sqrtextendsfdf2): Disable for SSE2.
6538 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6540 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6541 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6542 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6543 (sqrtextendsfdf2): Disable for SSE2.
6545 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6547 * i386.md (movsfcc_1): Support integer cmove instruction.
6548 (movdfcc_1): Likewise; new splitter.
6550 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6552 * i386.c (output_fp_compare): Support SSE.
6553 (prepare_fp_compare_args): SSE comparisons always support memory.
6554 * i386.h (TARGET_CMOVE): SSE imply cmove.
6555 * i386.md (cmp?f2): Enable for SSE too.
6556 (cmpfp_i*): Support SSE.
6558 (cmpfp_i_sse_only): New.
6559 (s*, b* fp expanters): Enable for SSE too.
6560 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6563 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6565 * regclass.c (init_reg_sets_1): Silence warning.
6567 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6569 * i386.md (sqrt?f2): Change to expander.
6570 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6572 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6574 * rtlanal.c (find_reg_equal_equiv_note): New function.
6575 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6576 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6577 * rtl.h: Add declarations for above functions.
6579 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6581 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6583 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6584 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6585 * flow.c (mark_regs_live_at_end): Likewise.
6586 (calculate_global_regs_live): Likewise.
6587 * gcse.c (compute_hash_table): Likewise.
6588 (compute_kill_rd): Likewise.
6589 * resource.c (mark_target_live_regs): Likewise.
6590 * rtl.h (INVALID_REGNUM): New macro.
6592 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6594 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6596 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6598 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6601 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6603 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6605 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6606 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6607 (fop_sf_1_sse, fop_df_1_sse): New patterns
6608 (fop_*): Disable float_extend and float patterns for SSE compilation.
6609 * i386.c (output_387_binary_op): Support SSE.
6611 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6613 * i386.md (dummy_extendsfdf2): Support SSE2
6614 (extendsfdf2): Enable if 80387 or SSE2.
6615 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6616 and no MIX_I387_SSE2
6617 (extendsfdf2_1_sse_only): New pattern.
6618 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6620 (truncdfsf2_1): Support SSE.
6621 (truncdfsf2_2): Support SSE.
6622 (truncdfsf2_2_1_sse): New pattern.
6623 (fixtruncsfsi2): Always use SSE if available.
6624 (fix_truncsfsi_sse): New pattern.
6625 (fix_truncdfsi_sse): New pattern.
6626 (floatsis?f2): Support SSE.
6627 (floatsidf2_i387): New pattern.
6628 (floatsidf2_sse): Likewise.
6630 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6632 * configure.in: Use "have_gnat" variable, not "gnat".
6633 * configure: Regenerated.
6635 * config/sparc/sparc.c (function_value): Treat all non-record
6636 aggregate types like used to treat UNION_TYPE.
6638 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6640 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6641 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6643 (MASK_MIX_SSE_I387): New.
6644 (TARGET_SSE): SSE2 imply SSE.
6645 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6646 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6647 (enum reg_class): Add new classes.
6648 (REG_CLASS_NAMES): Likewise.
6649 (REG_CLASS_CONTENTS): Likewise.
6650 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6651 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6652 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6653 (CLASS_MAX_NREGS): Use new macros.
6654 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6655 * i386.md (pushsf, movsf): Support SSE.
6656 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6657 splitters to use ANY_FP_REGNO_P.
6658 (movdf_nointeger, movdf_integer): Likewise.
6660 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6662 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6663 (try_combine): Use it.
6665 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6667 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6668 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6669 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6670 (REGISTER_MOVE_COST): Likewise.
6671 * i386-protos.h (ix86_secondary_memory_needed,
6672 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6673 * i386.c (ix86_secondary_memory_needed,
6674 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6676 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6678 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6679 (HARD_REGNO_MODE_OK): Move offline to ....
6680 * i386.c (ix86_hard_regno_mode_ok) ... here;
6681 refuse all incorrect modes.
6682 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6684 2001-02-13 Richard Henderson <rth@redhat.com>
6686 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6687 entire operator; replicate that and match_dup the operands.
6688 (cmp_ccx_arith_op_set): Likewise.
6689 (cmp_cc_arith_op_not_set): Likewise.
6690 (cmp_ccx_arith_op_not_set): Likewise.
6692 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6694 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6696 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6698 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6699 (TARGET_NO_BITFIELD_WORD): New macro.
6700 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6701 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6703 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6705 * cselib.c: New file, from simplify-rtx.c.
6706 * simplify-rtx.c: Remove cselib parts.
6707 * Makefile.in: Add cselib.o.
6709 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6711 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6712 (setup_incoming_varargs): Remove warning.
6714 * config/rs6000/rs6000.c (validate_condition_mode): When
6715 flag_fast_math, allow floating-point conditionals to be reversed.
6716 (rs6000_generate_compare): When flag_fast_math, don't generate
6717 cror operations for FP conditionals.
6719 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6721 (ASM_SPEC): Likewise.
6722 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6723 (CC1_SPEC): Likewise.
6724 (LINK_TARGET_SPEC): Likewise.
6725 (CPP_ENDIAN_SPEC): Likewise.
6726 * Makefile.in (check-consistency): New target.
6728 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6730 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6731 "return type defaults" warning for functions with return type
6733 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6734 function declarations by default rather than only when pedantic.
6736 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6738 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6741 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6743 * extend.texi (Deprecated): Deprecate new initializer lists.
6745 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6747 * mkdeps.c (deps_add_default_target): Robustify. Add
6748 basename component only.
6749 * cpp.texi (-M): Describe how default target is generated.
6750 * invoke.texi (-M): Likewise.
6752 2001-02-12 Kazu Hirata <kazu@hxi.com>
6754 * toplev.c (push_float_handler): Remove.
6755 (pop_float_handler): Remove.
6756 * toplev.h: Remove prototypes for the above functions.
6758 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6760 * c-common.c (constant_fits_type_p): New function.
6761 (convert_and_check): Use it.
6763 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6765 * Makefile.in (GXX_ABI_FLAG): Don't define.
6766 * configure.in (--enable-new-gxx-abi): Remove option.
6767 * config.in: Regenerated.
6768 * configure: Likewise.
6770 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6772 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6774 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6775 regular basic block, and arrange for all edges into it to switch
6778 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6780 * Makefile.in (distclean): Do not remove .gdbinit.
6782 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6784 * Makefile.in (gcc.o): Fix typos.
6785 (protize.o): Likewise.
6786 (unprotoize.o): Likewise.
6788 2001-02-11 Richard Henderson <rth@redhat.com>
6790 * tree.c (build1): Check for null operand in last change.
6792 2001-02-11 Richard Henderson <rth@redhat.com>
6794 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6795 (fold): Don't assume a constant isn't foldable.
6796 * tree.c (build): Set TREE_CONSTANT for an expression with no
6797 side-effects and constant operands.
6800 2001-02-10 Richard Henderson <rth@redhat.com>
6802 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6804 2001-02-10 Anthony Green <green@redhat.com>
6806 * cpp.texi (Standard Predefined): Add documentation for
6809 * c-common.c (combine_strings): Improve warning message.
6811 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6813 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6815 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6817 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6819 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6822 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6824 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6827 2001-02-09 Nick Clifton <nickc@redhat.com>
6829 * config/arm/arm.md: Change output contraint on post inc
6830 load/store multiple patterns to be a read/write contraint.
6832 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6834 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6835 .o files when using the -M options.
6837 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6838 David Edelsohn <edelsohn@gnu.org>
6840 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6841 handle DImode constants. Use one TOC entry for SImode and smaller
6842 constants, aligned properly.
6844 2001-02-08 Jason Merrill <jason@redhat.com>
6846 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6847 about the SP adjustment for saving the static chain pointer.
6848 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6849 offset when setting a temporary CFA register.
6851 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6853 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6854 powerpc-*-chorusos* .
6855 * config/rs6000/chorus.h : New file.
6856 * config/i386/chorus.h : New file.
6857 * config/sparc/chorus.h : New file.
6858 * config/sparc/t-chorus-elf : New file.
6860 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6862 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6863 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6864 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6865 (__WCHAR_TYPE__): Correct macro name.
6867 2001-02-08 Richard Henderson <rth@redhat.com>
6869 * config/i386/i386.c (ix86_frame_pointer_required): New.
6870 (ix86_setup_frame_addresses): New.
6871 (struct machine_funciton): Add accesses_prev_frame.
6872 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6873 ix86_frame_pointer_required.
6874 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6875 (SETUP_FRAME_ADDRESSES): New.
6876 * config/i386/i386-protos.h: Update.
6877 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6878 from FRAME_POINTER_REQUIRED.
6879 * config/i386/svr3gas.h: Likewise.
6880 * config/i386/sysv3.h: Likewise.
6881 * config/i386/v3gas.h: Likewise.
6883 2001-02-08 Richard Henderson <rth@redhat.com>
6885 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6886 calculation of the number of integer registers required.
6887 (function_arg_record_value): Likewise.
6889 2001-02-08 Jason Merrill <jason@redhat.com>
6891 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6892 two. Print file and line with "confused" message.
6894 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6896 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6898 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6900 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6902 * final.c (cleanup_subreg_operands): The address of a MEM can
6905 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6908 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6910 * gcc.texi (Incompatibilities): Update documentation of
6911 preprocessing numbers.
6913 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6915 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6917 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6919 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6921 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6922 * gcc.c (struct compiler): Add cpp_spec field.
6923 (input_file_compiler): New variable.
6924 (do_spec_1): Allow a particular compiler to handle `%C'
6926 (main): Store the current compiler in input_file_compiler.
6927 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6929 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6931 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6932 * cppinit.c (cpp_create_reader): Initialize them.
6933 (append_include_chain): cxx_aware arg might be unused.
6934 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6935 keywords and give them their phase 7 meaning. Pedwarn about
6936 this unless '__bool_true_false_are_defined' is defined.
6938 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6940 * lcm.c (optimize_mode_switching): Emit mode_set before the
6941 JUMP_INSN of an abnormal edge.
6943 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6945 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6946 a scheduling barrier at the end.
6948 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6950 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6952 * config/sh/sh.md (reload_outsf): Removed.
6953 (movsf_ie): Introduce constraints for FPUL loads and stores.
6954 (reload_insf): Broaden the output constraint.
6956 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6958 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6959 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6961 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6963 * final.c: Revert my previous changes.
6964 * output.h: Make profile_label_no extern.
6965 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6966 for generating label.
6968 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6970 * config/i386/djgpp.h: Add comments about standard paths.
6971 (MD_EXEC_PREFIX): Undefine before defining.
6972 (MD_STARTFILE_PREFIX): New.
6974 2001-01-30 Bruce Korb <bkorb@gnu.org>
6976 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6977 (load_file): do not rely on load_file_data() to close file pointer
6978 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6979 fixinc/inclhack.def(irix_limits_const): add test_text
6981 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6983 * cppexp.c (parse_defined): Improve diagnostics for invalid
6986 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6988 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6990 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6992 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6993 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6994 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6995 (rs6000_output_symbol_ref): New function.
6996 (output_toc): Use VTABLE_NAME_P.
6998 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7000 * print-tree.c (print_node, case PARM_DECL):
7001 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
7003 * stor-layout.c (reference_types_internal): New variable.
7004 (internal_reference_types): New function.
7005 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
7006 * tree.h (internal_reference_types): New declaration.
7008 * cse.c (find_best_addr): Fix typo in computing cost.
7010 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7012 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
7013 and this is the sum of a pointer and a constant, we know the result
7015 (num_sign_bit_copies, case PLUS): Likewise.
7016 * explow.c (convert_memory_address): Remove opposite SUBREG.
7017 * function.c (instantiate_new_reg): New function (from common code).
7018 (instantiate_virtual_regs_1): Call it.
7019 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
7020 if pointers sign- or zero-extend.
7021 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
7022 If pointers extend unsigned, use inside of SUBREG.
7023 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
7025 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
7027 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
7028 subdir of gcc_gxx_include_dir.
7029 (gcc_gxx_target_include_dir): Remove.
7031 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
7033 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
7034 (dwarf2out_frame_debug_expr): Revise introductory comments to add
7035 a high-level description.
7037 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
7039 * final.c: Move the declaration of profile_label_no to ...
7040 * output.h: ... here.
7041 * function.c (expand_function_start): Call PROFILE_HOOK.
7042 * config/rs6000/aix.h: Define PROFILE_HOOK.
7043 * config/rs6000/rs6000-protos.h: output_profile_hook new.
7044 * config/rs6000/rs6000.c (output_profile_hook): Define.
7045 (output_prolog): Do nothing for ABI_AIX as it is taken care by
7046 output_profile_hook.
7047 tm.texi : Explain new macro PROFILE_HOOK.
7049 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
7051 * extend.texi (Extended Asm): Do not say that semicolon is always
7052 a valid line-breaking character for GNU assemblers. Use
7053 newline-tab as the most commonly supported syntax. Use
7054 newline-tab rather than semicolon in multi-insn examples.
7056 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7058 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
7060 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7061 David Edelsohn <edelsohn@gnu.org>
7063 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
7064 code for AIX, even without flag_pic.
7066 2001-02-05 Jakub Jelinek <jakub@redhat.com>
7068 * c-typeck.c (common_type): push and pop binding level around
7069 calling common_type on function parameters.
7071 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
7073 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
7075 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7077 * config/mips/mips.c (override_options): Fix typo in last change.
7078 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
7079 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
7081 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
7083 * invoke.texi (-fdump-class-layout): Document.
7084 (-fdump-translation-unit): Use `=' as filename separator.
7086 2001-02-05 Mark Mitchell <mark@codesourcery.com>
7088 * Makefile.in (s-mlib): Don't build multilibs if
7090 (DRIVER_DEFINES): Adjust accordingly.
7092 (protoize.o): Likewise.
7093 (unprotoize.o): Likewise.
7094 * configure.in: Recognize --enable-multilib.
7096 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7098 * Makefile.in (DRIVER_DEFINES): Fix quoting.
7100 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
7101 * configure.in: Remove --enable-libstdcxx_v3 support.
7102 * configure: Regenerated.
7104 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7106 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
7107 Call abort instead of fatal.
7108 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
7109 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
7110 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
7111 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
7112 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
7113 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
7115 * diagnostic.h (set_internal_error_function): Renamed.
7116 * toplev.h (internal_error): Renamed from fatal.
7117 (pfatal_with_name): Deleted.
7118 (fatal_io_error): Now has printf-style arguments.
7119 * diagnostic.c (pfatal_with_name): Deleted.
7120 (fatal_io_error): Rework to have args in printf-style.
7121 (set_internal_error_function): Renamed from set_fatal_function.
7122 (internal_error): Renamed from fatal.
7123 (error_recursion, fancy_abort): Call internal_error instead of fatal.
7124 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
7125 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
7126 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
7127 * flow.c (verify_flow_info): Likewise.
7128 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
7129 * config/mips/mips.c (save_restore_insns): Likewise.
7131 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
7132 * flow.c (verify_flow_info): Likewise.
7133 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
7134 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
7135 (avr_normalize_condition): Likewise.
7136 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
7137 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
7138 (limit_reload_class, double_reg_to_memory): Likewise.
7139 (print_operand_address, emit_1600_code_shift): Likewise.
7140 (gen_tst_reg, gen_compare_reg): Likewise.
7141 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
7142 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
7144 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
7146 * c-parse.in (methoddef): Call fatal_error instead of fatal.
7147 * objc/objc-act.c (build_ivar_chain): Likewise.
7148 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
7150 * graph.c (clean_graph_dump_file): Likewise.
7151 * profile.c (init_branch_prob): Likewise.
7152 * objc/objc-act.c (objc_init): Likewise.
7154 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
7155 * config/avr/avr.c (avr_override_options): Likewise.
7156 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
7157 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
7158 * config/h8300/h8300.c (h8300_init_once): Likewise.
7159 * config/mips/mips.c (override_options): Likewise.
7160 * config/i386/i386.c (override_options): Likewise, rework.
7161 * config/m68k/m68k.c (override_options): Likewise.
7163 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
7165 * config/mips/mips.c (print_operand): Likewise.
7166 * hash.c (hash_allocate): Don't check for failure returns from
7167 obstack functions that can't fail.
7168 (hash_table_init_n, hash_table_init): Likewise; also now return void.
7169 * hash.h (hash_table_init_n, hash_table_init): Now return void.
7170 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
7171 (get_object_reference): Likewise.
7173 2001-02-04 Nick Clifton <nickc@redhat.com>
7175 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
7176 StrongARM1110, 10TDMI, and 1020T.
7178 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7180 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
7182 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
7184 * config/sh/sh.md (movdf load split): Pass register number to
7185 FP_OR_XD_REGISTER_P.
7187 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7189 * cppinit.c (BC): New macro.
7190 (builtin_array): Add __GXX_WEAK__.
7191 * cpplib.h (builtin_type): Add BT_WEAK.
7192 * cppmacro.c (builtin_macro): Handle BT_WEAK.
7193 * defaults.h (SUPPORTS_ONE_ONLY): Define.
7194 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
7196 2001-02-03 Jakub Jelinek <jakub@redhat.com>
7198 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
7200 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7202 * cpphash.h: Rename _ALIGN POOL_ALIGN.
7203 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7205 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7207 * cpphash.h: Rename ALIGN _ALIGN.
7208 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7210 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7212 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7213 compilation environment.
7214 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7215 control over location of cygwin includes and libs.
7217 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7219 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7221 2001-02-02 lars brinkhoff <lars@nocrew.org>
7223 * md.texi (Standard Names): remove reference to spur.md.
7225 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7227 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7228 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7229 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7230 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7231 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7233 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7235 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7236 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7237 number before reload.
7238 (c4x_adjust_cost): Return zero before reload.
7239 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7240 split before reload.
7242 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7244 * c4x.c (c4x_hard_regno_rename_ok): New.
7245 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7246 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7248 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7250 * diagnostic.h: Add missing "extern" in all declarations.
7252 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7254 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7255 as for gcc_gxx_include_dir.
7257 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7259 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7261 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7263 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7264 label before alignment to be used as the braf base address.
7265 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7267 (casesi_jump_2): Require at least TARGET_SH2.
7269 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7270 truncation to 32-bit doubles on -m3e and -m4-single-only.
7272 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7274 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7275 the default when building a shared object.
7276 (init_spec): Use it.
7277 * testsuite/lib/g++.exp: Include the directory where libgcc
7278 is located to the LD_LIBRARY_PATH list.
7279 * invoke.texi (-shared-libgcc): Document the cases in which
7280 GCC defaults to using the shared libgcc.
7282 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7284 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7285 unsigned is wide enough.
7287 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7288 (si_to_float): Likewise.
7289 (float_to_si, float_to_usi): Use BITS_PER_SI.
7291 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7293 * dwarf2out.c: Added explanation of abbreviations.
7294 (def_cfa_1): Added comments listing DWARF2 instructions.
7295 (cfa_temp_reg): Removed in favor of cfa_temp.
7296 (cfa_temp_value): Removed in favor of cfa_temp.
7297 (cfa_temp): New global variable.
7298 (dwarf2out_frame_debug_expr): Added extensive introductory
7299 comments explaining the function's transformations. Revised to
7300 use cfa_temp. Added some rtx checking. Generalize IOR case.
7301 (dwarf2out_frame_debug): Revised to use cfa_temp.
7302 (output_aranges): Cast as "unsigned" to avoid warning.
7303 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7304 explain which instructions must be marked.
7306 2001-02-01 Richard Henderson <rth@redhat.com>
7308 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7311 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7313 * config/sh/crt1.asm (main_k): Modified so that start calls
7314 ___setup_argv_and_call_main.
7316 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7318 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7319 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7320 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7321 * cppmacro.c (builtin_macro): Set builtin flags here.
7322 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7323 (replace_args): Clarify intent.
7324 (cpp_get_token): Macro expansion tokens get the saved flags.
7326 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7329 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7331 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7334 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7336 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7337 returns Pmode pseudo, but we need ptr_mode.
7338 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7339 Remove bogus conversions; use HOST_WIDE_INT for size.
7340 Don't use TARGET if wrong mode.
7342 * config/i386/i386.c (ix86_compute_frame_size): Allow
7343 stack_alignment_needed to be non-default even if size is zero.
7345 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7347 * pa.c (hppa_init_pic_save): New function.
7348 * pa.h (hppa_init_pic_save): Declare.
7349 * pa.md (call, call_value, sibcall, sibcall_value): Use
7350 the above instead of duplicated code.
7352 * pa.c (hppa_encode_label): Correct size of alloca buffer
7353 so we don't overrun it. Correct leading `*' case.
7354 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7355 need to handle `*@'.
7356 (FUNCTION_NAME_P): Likewise.
7358 2001-01-31 Richard Henderson <rth@redhat.com>
7360 * config.gcc (alpha-osf5): Use float-i128.h.
7362 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7363 * config/float-i32.h: Likewise.
7364 * config/float-i64.h: Likewise.
7365 * config/float-sh.h: Likewise.
7366 * config/float-sparc.h: Likewise.
7368 2001-01-31 DJ Delorie <dj@redhat.com>
7370 * expmed.c (extract_bit_field): allow non-integral modes if we
7371 want to extract a whole register from itself.
7373 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7375 * c-typeck.c (set_init_index): If first is equal to last, assume as
7376 if it was not a range at all.
7378 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7380 * config/fp-bit.c: Include tm.h.
7381 (float_to_si): Don't assume SImode is 32-bits wide.
7382 (float_to_usi): Likewise.
7384 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7386 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7388 (typename): Call pending_xref_error after parsing typed_typespecs.
7389 * c-decl.c (lookup_tag): Give error immediately rather than
7390 leaving it pending if the tag of the wrong type is in the same
7392 (xref_tag): Don't pedwarn for forward declarations of enum types
7394 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7397 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7399 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7401 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7403 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7404 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7406 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7408 * cpphash.h (struct cpp_reader): New saved_flags.
7409 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7410 to avoid a paste after a pasted token.
7412 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7414 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7415 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7416 Wtype_MIN instead of LONG_MIN.
7418 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7420 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7422 * fixinc/fixincl.x: Regenerated.
7423 * fixinc/inclhack.def (irix_limits_const): New definition to
7424 convert "const" to "__const" in limits.h.
7426 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7428 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7430 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7432 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7433 when register dies in the insn.
7435 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7437 * diagnostic.c (fatal): Fix word wrap.
7439 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7441 * combine.c (try_combine): Fix SUBREG setting for
7442 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7444 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7446 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7449 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7451 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7453 * toplev.c (decode_W_option): Update warn_larger_than
7454 unconditionally for each processed switch.
7456 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7458 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7460 (hppa_expand_prologue): Delete code to save pic offset table register
7461 in the function prologue.
7462 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7463 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7464 table register at the beginning of the function after the prologue.
7466 2001-01-29 lars brinkhoff <lars@nocrew.org>
7468 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7470 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7471 Jeff Law <law@redhat.com>
7473 * pa.md (return): Revise comment for trivial return.
7474 (return_internal): Non-trivial return pattern for non-PIC code.
7475 (return_internal_pic): Non-trivial return pattern for PIC code.
7476 It uses the PIC register to ensure it is restored after
7478 (epilogue): Generate appropriate return for PIC and non-PIC code.
7480 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7482 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7484 2001-01-29 DJ Delorie <dj@redhat.com>
7486 * combine.c (if_then_else_cond): Pass the correct mode to
7487 operand_subword() for constants.
7489 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7491 * config/i386/cygwin.h: Add w32api to include search. Search different
7492 directories in a cross-build environment.
7494 2001-11-29 Tim Josling <tej@melbpc.org.au>
7496 * tree.h (TYPE_STUB_DECL): Add documentation.
7498 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
7500 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7501 (sdbout_field_types): Likwise. Fix use of host_integerp.
7503 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7505 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7508 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7510 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7511 to use flag_gnu_linker.
7513 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7515 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7516 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
7518 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7520 * tree.c, tree.h (build_parse_node): Remove; was identical to
7522 * c-lang.c (start_cdtor), objc/objc-act.c
7523 (build_module_descriptor): Use build_nt instead of
7526 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7528 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7529 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7530 not have any upper bits set.
7532 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7534 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7536 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7538 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7540 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7542 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7543 (integer_minus_one_node): Define.
7545 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7547 * Makefile.in (bootstrap2-lean): Fix typo.
7549 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7551 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7552 : Don't set fe_value.
7553 * cpplib.h (AVOID_LPASTE): New flag.
7554 (struct cpp_hashnode): Remove fe_value.
7555 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7556 * cppmacro.c (builtin_macro): Don't set flags here.
7557 (replace_args): Set AVOID_LPASTE flag on first token of an
7558 argument, and the token following it.
7559 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7560 macro expansion, and on the token following it. Do it for
7562 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7564 2001-01-27 Richard Henderson <rth@redhat.com>
7566 * config/alpha/t-ieee: Remove multilibbing.
7567 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7569 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7571 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7573 * Makefile.in: Remove all dependencies on defaults.h.
7574 * builtins.c: Don't include defaults.h.
7575 * c-common.c: Likewise.
7576 * c-decl.c: Likewise.
7577 * c-pragma.c: Likewise.
7578 * c-typeck.c: Likewise.
7579 * combine.c: Likewise.
7581 * frame-ia64.c: Likewise.
7582 * cppexp.c: Likewise.
7583 * crtstuff.c: Likewise.
7584 * dbxout.c: Likewise.
7585 * dwarf2out.c: Likewise.
7586 * dwarfout.c: Likewise.
7587 * emit-rtl.c: Likewise.
7588 * except.c: Likewise.
7590 * final.c: Likewise.
7591 * frame-dwarf2.c: Likewise.
7592 * libgcc2.c: Likewise.
7593 * optabs.c: Likewise.
7594 * profile.c: Likewise.
7595 * sdbout.c: Likewise.
7596 * toplev.c: Likewise.
7597 * tradcif.y: Likewise.
7599 * varasm.c: Likewise.
7601 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7603 * builtins.c (expand_builtin_fputs): Use size_one_node when
7604 transforming into fwrite.
7606 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7608 * extend.texi (Attribute Syntax): New section.
7610 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7612 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7613 they didn't need fixing.
7615 2001-01-27 Janis Johnson <janis@us.ibm.com>
7617 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7619 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7620 to remove macro definitions that are duplicated from elfos.h.
7622 2001-01-27 Richard Henderson <rth@redhat.com>
7624 * config/i386/sco5gas.h: Move ...
7625 * config/usegas.h: ... here.
7626 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7628 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7630 * c-typeck.c (struct constructor_stack): Add range_stack member.
7631 (really_start_incremental_init): Clear it.
7632 (push_init_level): Save constructor_range_stack and clear it if
7633 pushing explicit braces.
7634 (pop_init_level): abort if constructor_range_stack is non-zero at
7635 explicit closing brace. Restore saved constructor_range_stack if
7638 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7640 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7641 into register was forced into memory.
7643 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7645 * Makefile.in: Remove uses of + before $(MAKE).
7647 2001-01-26 Richard Henderson <rth@redhat.com>
7649 * stmt.c (cost_table): Remove.
7650 (COST_TABLE, cost_table_initialized): New.
7651 (estimate_case_costs): Use the later instead of the former.
7652 (balance_case_nodes): Likewise.
7654 2001-01-26 Richard Henderson <rth@redhat.com>
7656 * alias.c (objects_must_conflict_p): Read-only slots may not
7657 conflict despite having the same type.
7659 2001-01-27 Michael Hayes <mhayes@redhat.com>
7661 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7663 (check_ext_dependant_givs): Initialise u_start_val and
7665 (load_mems): Make last_max_reg unsigned.
7666 (try_swap_copy_prop): Use INSN_P and initialise set.
7668 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7670 * README.AVR : Removed.
7672 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7674 * pa-64.h (text_section): Remove declaration.
7676 * pa.md (return_internal): Remove mode on PIC register use.
7678 2001-01-25 lars brinkhoff <lars@nocrew.org>
7680 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7681 ASM_CLOSE_PAREN): fix typos.
7683 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7685 * acconfig.h: Define `const' to the empty string if neither
7686 __STDC__ nor __cplusplus is defined.
7687 * config.in: Regenerated.
7689 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7691 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7692 * collect2.c (main): Delete importf. Add ".obj" file extension.
7693 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7694 (aix_std_libs): Add additional AIX libraries to skip.
7695 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7696 * config/rs6000/aix51.h: New file.
7698 2001-01-25 Michael Hayes <mhayes@redhat.com>
7700 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7701 (loop_insn_emit_before): No longer static.
7702 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7703 (loop_givs_rescan, load_mems): Likewise.
7704 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7705 (maybe_eliminate_biv_1):
7706 (move_movables): Replace emit_call_insn_before with
7707 loop_call_insn_hoist.
7708 * loop.h (loop_insn_emit_before): Add.
7709 * unroll.c (copy_loop_body): Replace emit_insn_before with
7710 loop_insn_emit_before.
7712 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7714 * diagnostic.c (fatal): Request preprocessed source.
7716 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7718 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7719 olddecl has argument types and newdecl has none, use the argument
7722 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7724 * dwarf2out.c (prefix_of): New function. Determine longest common
7725 prefix of the two arguments. The units are whole path components.
7726 (output_file_names): When adding a new directory find the one entry
7727 with the longest common prefix already in the list. Artificially
7728 generate entry if there is none for this prefix.
7729 Fix test to check whether the zeroth directory entry is used.
7731 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7733 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7734 Changed all callers. Take it into account when deciding if a
7735 previously loaded value matches.
7737 2001-01-24 Richard Henderson <rth@redhat.com>
7739 * reload.c (find_reloads_subreg_address): Fail the substitution
7740 if the resulting address is insufficiently aligned.
7742 2001-01-24 DJ Delorie <dj@redhat.com>
7744 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7745 check the original operand's mode also.
7746 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7748 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7750 * c-parse.in (cast_expr): Move compound literals from here ...
7751 (primary): ... to here. Use standard terminology "compound
7752 literal" instead of "constructor expression".
7754 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7756 * gcc.1, cpp.1: Regenerate.
7758 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7760 * calls.c (emit_library_call_value_1): Memory slot for
7761 pass-by-reference argument should have the mode of the argument,
7762 not of the pointer to it.
7764 2001-01-24 Tom Tromey <tromey@redhat.com>
7766 * gcc.texi (G++ and GCC): Mention gcj manual.
7767 (Standards): Link to section of manual mentioning gcj/Java
7770 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7772 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7773 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7774 * tradcpp.c (main): Add -imacros or -include'd dependencies
7776 * cpp.texi (-M, -MM): Document -M -include behaviour.
7778 2001-01-24 Roger Collins <roger@ProProject.com>
7780 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7782 2001-01-24 Will Cohen <wcohen@redhat.com>
7784 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7785 whether registers are 32 bits or 64 bits in size.
7787 2001-01-24 Ben Elliston <bje@redhat.com>
7789 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7791 2001-01-24 Richard Henderson <rth@redhat.com>
7793 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7794 (builtin_longjmp): Use it instead of emit_indirect_jump.
7796 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7798 * bb-reorder.c (make_reorder_chain_1): Handle case where
7799 jump edge goes to the same block as the fallthru edge.
7801 2001-01-23 Jim Wilson <wilson@redhat.com>
7803 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7804 * frame.h (__ia64_personality_v1): Add prototype.
7805 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7806 prototype form. Add void * cast to first argument to personality
7808 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7809 (asctoe113): Likewise.
7810 * config/ia64/frame-ia64.c: Include eh-common.h.
7811 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7813 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7815 (itanium_split_issue): Add prototype.
7816 (gen_nop_type): Ifdef out.
7817 (find_best_packet): Initialize best_packet.
7818 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7820 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7821 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7822 (flushrs): Add explicit stop bit at end.
7823 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7826 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7828 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7830 * libgcc2.c (__terminate_func): Make variable static.
7831 (__terminate_set_func): New function to set __terminate_func.
7832 * libgcc2.h (__terminate_func_ptr): New typedef.
7833 (__terminate_set_func): New function.
7835 2001-01-23 Richard Henderson <rth@redhat.com>
7837 * flow.c (init_propagate_block_info): Don't consider unchanging
7838 memories for dead frame store elimination.
7840 2001-01-23 Richard Henderson <rth@redhat.com>
7842 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7843 * defaults.h: ... here.
7845 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7847 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7849 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7851 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7853 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7855 * rs6000.h (rs6000_return_addr): Move prototype from here...
7856 * rs6000-protos.h (rs6000_return_addr): ...to here.
7857 (rs6000_init_expanders): Delete prototype.
7859 2001-01-23 Nick Clifton <nickc@redhat.com>
7861 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7862 (Spec Files): Document %B and %j and %. and %v3 and %M and
7863 %{S*&T} spec switches.
7865 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7867 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7869 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7870 Neil Booth <neil@daikokuya.demon.co.uk>
7872 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7873 Have -Werror make pedantic warnings errors, like the
7876 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7878 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7880 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7882 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7883 * integrate.c (expand_inline_function): Initialize them.
7884 (subst_constants): If changing COMPARE so that both its arguments
7885 will be VOIDmode and the comparison mode will be lost, note
7886 compare_mode. Use the recorded compare_mode to optimize
7889 2001-01-23 Jason Merrill <jason@redhat.com>
7891 * dwarf2out.c (new_die): Use xcalloc.
7892 (output_die): Abort rather than emit a local reference to offset 0.
7894 2001-01-17 Andrew Haley <aph@redhat.com>
7896 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7897 of a saved register; return NULL instead.
7898 (copy_reg): Take a pointer to a source register rather than a
7900 (next_stack_level): Remember the address in the stack frame of all
7902 Use the saved register pointer array as the source of the CFA.
7903 (throw_helper): Rewrite. Unwind once rather than twice and keep
7904 track of saved registers as we go.
7906 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7908 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7909 * c4x.c (c4x_legitimize_reload_address): Remove.
7910 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7911 reload address for ldp(k) insn.
7913 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7915 * pa.md (return_internal): Add a USE of the PIC register to ensure
7916 it is restored after each call.
7917 (return expander): Corresponding changes.
7919 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7921 * rs6000.h (INIT_EXPANDERS): Delete.
7922 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7923 * rs6000.c (rs6000_override_options): Call *_machine_status from
7925 (rs6000_init_expanders): ...instead of here. Delete.
7926 (rs6000_mark_machine_status): New function.
7927 (rs6000_init_machine_status): Use xcalloc.
7928 (rs6000_return_addr): Generate RTX for the return address.
7929 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7930 (rs6000_stack_info): Use it.
7932 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7934 * gthr-win32.h: Include errno.h to get a declaration for
7935 EINVAL and _mingw.h if the target is mingw32.
7937 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7939 * cpp.texi: Correct typos.
7941 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7943 * explow.c (probe_stack_range): Ensure value passed to
7944 stack_check_libfunc is ptr_mode, not Pmode.
7946 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7948 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7949 case, don't use operand_subword to calculate a SUBREG that is
7952 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7954 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7956 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7957 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7958 valid. If not replace it by equivalent insns.
7960 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7962 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7963 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7964 (c4x_U_constraint, symbolic_address_operand): Likewise.
7965 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7967 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7968 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7969 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7970 anulling slot because of silicon bug.
7971 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7973 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7975 * cppexp.c (parse_charconst): Change `mask' type to agree
7978 2001-01-21 Richard Henderson <rth@redhat.com>
7980 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7981 pic_label_name in a linkonce section.
7983 2001-01-17 Philipp Thomas <pthomas@suse.de>
7985 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7987 * configure: Regenerate.
7989 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7991 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7992 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7994 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7996 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7997 If REVERSE nonzero then condition code in X must be reversed.
7998 (encode_section_info): Optimise if/else.
7999 (avr_function_value): Fix formatting.
8001 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
8002 (difficult_branch): Likewise.
8003 (rvbranch): Likewise.
8004 (difficult_rvbranch): Likewise.
8006 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
8008 * config/avr/libgcc.S: Fix comment.
8010 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8012 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
8014 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8016 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
8018 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8020 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
8021 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
8022 * configure, config.in: Regenerate.
8023 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
8024 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
8025 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
8026 (doprint.o): New rule.
8028 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
8030 * c-typeck.c (digest_init): Handle boolean types as scalars.
8032 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8034 * stmt.c (expand_return): Don't return anything if size is zero.
8035 Delete redundant assignment to BYTES.
8036 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
8038 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
8040 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
8041 the same as the default library function names.
8042 * config/avr/avr.md: Document special characters after '%'.
8043 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
8044 knowing which of the call-used registers are really clobbered.
8045 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
8046 New. Both quotient and remainder from one libgcc.S call.
8047 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
8048 clobber as few registers as possible.
8049 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
8051 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
8053 * cppmacro.c (funlike_invocation_p): Don't move back up to the
8054 context of the top of the stack.
8056 2001-01-20 Jakub Jelinek <jakub@redhat.com>
8058 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
8059 (fixup_var_refs_insns): ...here.
8061 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
8063 * function.c (fixup_var_refs_insns): Break up into
8064 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
8065 [loop over entire insn list], and fixup_var_refs_insns_with_hash
8066 [loop over hash table entries].
8067 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
8068 fixup_var_refs_insns_with_hash, to match above changes.
8070 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
8072 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
8073 (libgcc.a): Likewise.
8074 (stmp-multilib): Likewise.
8075 (STAGE2_FLAGS_TO_PASS): Likewise.
8077 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
8079 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
8080 temporary if no_new_pseudos.
8082 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
8084 * cppinternals.texi: Update.
8086 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
8088 * arm.c (arm_init_builtins): Re-enable builtins.
8090 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8092 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
8093 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
8094 element to be null, and always expect an EXPR_LIST.
8095 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
8096 * sched-deps.c (sched_analyze_1): Likewise.
8097 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8099 * regclass.c (max_set_parallel): New variable.
8100 (reg_scan): Take it into account in computation of max_parallel.
8101 (reg_scan_mark_refs, case SET): Compute it.
8103 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
8105 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
8106 * function.c (assign_parms): Use INTVAL for a CONST_INT.
8108 2001-01-19 Jason Merrill <jason@redhat.com>
8110 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
8111 for the abstract instance of an inline function.
8113 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
8114 J"orn Rennecke <amylaar@redhat.com>
8116 * reload1.c (move2add_note_store): Treat all registers directly or
8117 indirectly derived from a base register as members of the same set
8119 (reload_cse_move2add): Adjust accordingly. Take mode and offset
8120 of base register into account.
8122 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
8124 * alias.c (find_base_value): Recognize TRUNCATE.
8125 (record_set): In PLUS case, invalidate if other summand is also a
8128 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8130 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
8131 entry to be EXPR_LIST.
8132 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
8133 be an EXPR_LIST (but not null, which other code doesn't allow).
8134 (note_stores): Properly handle PARALLEL in SET.
8135 Recursively call for top-level PARALLEL.
8136 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
8137 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8139 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
8141 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
8143 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
8144 not pfile->skipping (== 0).
8146 2001-01-17 Nick Clifton <nickc@redhat.com>
8148 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
8151 2001-01-17 Jim Wilson <wilson@redhat.com>
8153 * invoke.texi (IA-64 options): Improve.
8155 2001-01-17 Tom Tromey <tromey@redhat.com>
8157 * invoke.texi (Optimize Options): Use `{}' to around @samp
8160 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
8162 * invoke.texi (-fno-guess-branch-probability): New option.
8164 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8166 * combine.c (try_combine): Don't set i3_subst_into_i2 for
8167 case of making new double-word constant.
8168 Revert last change: instead just test i3_subst_into_i2.
8170 2001-01-17 Jakub Jelinek <jakub@redhat.com>
8172 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
8173 Use q constraints instead of r.
8175 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
8177 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
8178 (machine_function): Define.
8179 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
8180 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
8181 pa_free_machine_status): New functions.
8182 (override_options): Set {init,mark,free}_machine_status to above.
8183 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8184 PIC_OFFSET_TABLE_REGNUM_SAVED.
8185 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8186 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
8187 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
8188 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
8189 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8191 2001-01-15 DJ Delorie <dj@redhat.com>
8193 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
8197 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8199 * flow.c (propagate_on_insn): Make trying to delete a prologue
8200 or epilogue insn an ICE, not a warning. Allow doing this if
8201 the current function returns with stack pointer depressed.
8203 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8204 I3 having more than one SET.
8206 2001-01-16 Jim Wilson <wilson@redhat.com>
8208 * invoke.texi: Document IA-64 options.
8210 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8211 (fixup_errata): Delete TARGET_A_STEP use.
8212 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8213 (TARGET_SWITCHES): Delete -ma-step option.
8214 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8215 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8216 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8217 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8218 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8219 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8221 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8222 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8223 cmovsi_internal): Delete ! TARGET_A_STEP check.
8225 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8227 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8228 possibility to report bugs via postal mail. Change a URL and
8229 merge in a nearly duplicate statement...
8230 (Bug Reporting): ...from here.
8231 (Service): Refer to the Bug Reporting section instead of
8233 (Contributing): Remove trivial explanations concerning snapshots.
8235 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8237 * cppmain.c (general_init): Don't use ANSI prototype.
8239 2001-01-16 Tom Tromey <tromey@redhat.com>
8241 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8243 2001-01-16 Richard Henderson <rth@redhat.com>
8245 * config/i386/i386.h: Fix comment typo.
8246 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8247 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8249 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8251 * gcc.c: Revert previous -fsyntax-only-related change; move
8254 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8256 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8257 inmode after checking GET_CODE (op).
8259 2001-01-16 Richard Henderson <rth@redhat.com>
8261 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8262 (MAX_MEM_SET_LIST_LEN): New.
8263 (propagate_one_insn): Update mem_set_list_len.
8264 (invalidate_mems_from_autoinc): Likewise.
8265 (invalidate_mems_from_set): Likewise.
8266 (mark_used_regs): Likewise.
8267 (init_propagate_block_info): Likewise. Stop collecting memories
8268 when we reach MAX_MEM_SET_LIST_LEN.
8269 (mark_set_1): Likewise.
8271 2001-01-16 Richard Henderson <rth@redhat.com>
8273 * unroll.c (precondition_loop_p): Fail if no iteration
8276 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8278 * gcc.c: When -fsyntax-only is given, do not complain about
8281 2001-01-15 Richard Henderson <rth@redhat.com>
8283 * config/i386/i386.c (asm_output_function_prefix): Remove.
8284 (ix86_asm_file_end): New.
8285 (load_pic_register): Generate pic_label_name into a
8286 staticly allocated buffer.
8287 * config/i386/i386-protos.h: Update.
8288 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8289 (ASM_FILE_END): New.
8290 * config/i386/i386afe.h: New file.
8291 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8292 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8293 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8294 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8295 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8296 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8297 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8299 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8301 * Makefile.in (install-man): Remove explicit dependency on
8304 * configure.in, configure: Revert previous patch requiring perl
8307 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8309 * toplev.c (flag_guess_branch_prob): New.
8310 (f_options): Add guess-branch-probability option.
8311 (rest_of_decl_compilation): Only estimate branch probability if
8313 (main): set flag_guess_branch_prob.
8315 * flags.h (flag_guess_branch_prob): New.
8317 2001-01-15 DJ Delorie <dj@redhat.com>
8319 * gcc.texi (Makefile): Add documentation for Makefile targets.
8321 2001-01-15 Philip Blundell <philb@gnu.org>
8323 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8325 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8326 (is_pic): Delete declaration.
8327 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8328 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8329 * config/arm/arm.md (builtin_setjmp_receiver): New.
8331 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8333 * arm.c (use_return_insn): Don't try to determine the function type
8334 until after reload has completed.
8335 (arm_output_epilogue): Don't adjust the sp value recovered from the
8337 (emit_multi_reg_push): Don't record dwarf information for the pc.
8338 * arm.md (eh_epilogue): The function type may have changed, so it
8339 needs to be recalculated.
8340 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8341 unwind tables on arm/netbsd.
8343 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8345 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8346 (negated_cbranchsi4): Likewise.
8348 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8350 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8351 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8352 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8353 pass -mapcs-* options to assembler.
8354 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8355 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8356 (ASM_SPEC): Call subtarget_extra_asm_spec.
8358 2001-01-15 Andreas Jaeger <aj@suse.de>
8360 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8362 (ix86_expand_builtin): Likewise.
8364 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8365 warning about comparison between signed and unsigned.
8367 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8369 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8371 2001-01-14 Ralf Baechle <ralf@gnu.org>
8373 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8374 SUBTARGET_CPP_SPEC apropriatly.
8376 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8378 * varasm.c (make_decl_rtl): Fix typo in last change.
8380 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8382 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8383 linker supports the init_priority C++ attribute.
8384 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8385 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8386 linker does not support init_priority C++ attribute.
8388 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8390 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8392 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8394 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8395 * cp/lex.c (finish_parse): Similarly.
8396 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8397 Return the number of errors encountered.
8398 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8399 * cppmain.c (main): Don't call cpp_destroy.
8401 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8403 * configure.in: Require at least perl 5.6.0 to regenerate
8405 * configure: Regenerate.
8407 2001-01-14 Richard Henderson <rth@redhat.com>
8409 * genrecog.c (DT_veclen_ge): New.
8410 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8411 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8412 (nodes_identical_1): Handle DT_veclen_ge.
8413 (write_cond, debug_decision_2): Likewise.
8415 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8417 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8419 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8421 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8423 * cppmain.c (do_preprocessing): New function; most of the old
8425 (main): Call it to do most of the work.
8426 (cb): Move from global scope to set_callbacks ().
8427 (setup_callbacks): Get the callback pointer.
8428 (general_init, printer_init): Clean up code and comments.
8430 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8432 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8435 2001-01-14 Kazu Hirata <kazu@hxi.com>
8437 * config/h8300/h8300.c (get_shift_alg): Update comments.
8439 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8441 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8442 (alloc_page, ggc_alloc): Add casts to remove warnings.
8444 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8446 * combine.c (simplify_comparison): Don't change `code' when
8447 can't reverse comparison.
8449 2001-01-14 Richard Henderson <rth@redhat.com>
8451 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8452 update all call sites. Return true for all non-label constants.
8454 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8456 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8458 (ix86_expand_branch): Update.
8459 (ix86_expand_setcc): Update to handle multiple test conditions.
8460 (expand_int_movcc): Likewise.
8461 (expand_fp_movcc): Likewise.
8462 * i386-protos.h (ix86_expand_compare): New.
8463 * i386.md (andqi_?_slp, orqi_?_slp): New.
8464 (conditional trap expander): Update call to ix86_expand_compare.
8466 2001-01-14 Richard Henderson <rth@redhat.com>
8468 * config/vax/vax.md: Use nonimmediate_operand instead of
8469 general_operand in destinations.
8471 * config/vax/vax.md (indirect_jump): Use register_operand.
8473 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8474 * config/vax/vax.md (call_pop): Turn into an expander.
8475 (call_value_pop): Likewise.
8476 (call, call_value): New.
8478 2001-01-14 Andreas Jaeger <aj@suse.de>
8480 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8482 (ix86_fp_compare_mode): Add unused attribute.
8483 (ix86_expand_fp_movcc): Remove unused variable.
8484 (ix86_expand_builtin): Make fcode unsigned.
8486 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8487 (expand_expr): Add cast to avoid signed warning.
8488 (store_field): Likewise.
8489 (store_constructor_field): Likewise.
8490 (store_constructor): Likewise.
8491 (store_expr): Likewise.
8492 (clear_storage): Likewise.
8493 (emit_group_store): Likewise.
8494 (emit_group_load): Likewise.
8496 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8498 * c-common.c: Move format checking code to ...
8499 * c-format.c: ... here. New file. Reorder some functions and
8501 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8503 * c-common.h (decl_handle_format_attribute,
8504 decl_handle_format_arg_attribute): Declare.
8505 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8506 (c-common.o): Adjust dependencies.
8507 (c-format.o): New list of dependencies.
8509 2001-01-13 Jakub Jelinek <jakub@redhat.com>
8511 * unroll.c (loop_iterations): If we cannot prove iteration variable
8512 is set once in each iteration, punt.
8514 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8516 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8517 (*strlenhi): Remove clobber (which was buggy) of output address.
8519 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8521 * Makefile.in (generated-manpages): Add gcc.1
8522 ($(srcdir)/gcc.1): New target.
8523 (maintainer-clean): Delete $(srcdir)/gcc.1.
8524 * gcc.texi: Add macros @gccoptlist and @gol.
8525 * invoke.texi: Include option summary in manpage. Mark up option
8526 summary with @gccoptlist and @gol. Use @r in one place where
8528 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8529 * gcc.1: Generate from invoke.texi.
8531 2001-01-13 Richard Henderson <rth@redhat.com>
8533 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8534 (struct page_entry): Add group member.
8535 (struct page_group): New.
8536 (struct globals): Add page_groups member.
8537 (alloc_anon): Only define for using mmap; remove valloc call.
8538 (page_group_index): New.
8539 (set_page_group_in_use): New.
8540 (clear_page_group_in_use): New.
8541 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8542 (free_page, release_pages): Likewise.
8543 * configure.in (with-gc): Default to ggc-page always.
8545 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8547 * reload1.c (replace_pseudos_in_call_usage): Use
8548 reg_equiv_constant and reg_equiv_address, and don't try
8549 regno_reg_rtx first.
8551 2001-01-13 Richard Henderson <rth@redhat.com>
8553 * ggc-page.c (alloc_page): Round up allocation size to one page.
8554 Set e->order on extra pages.
8556 2001-01-13 Richard Henderson <rth@redhat.com>
8558 * genrecog.c (nodes_identical): Expand commentary.
8559 (write_switch): Watch out for identical nodes.
8561 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8563 * cppfiles.c (_cpp_fake_include): New function.
8564 * cpphash.h (_cpp_fake_include): New.
8565 * cpplib.c (do_line): Call _cpp_fake_include when entering
8566 header files in preprocessed input.
8567 * cppmain.c (cb_pragma_implementation): Remove handling.
8568 (setup_callbacks): Don't register pragmas.
8570 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8572 * extend.texi: Udate for CPP.
8574 2001-01-13 Andreas Jaeger <aj@suse.de>
8576 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8578 * regmove.c: Add prototype for replace_in_call_usage.
8580 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8582 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8583 struct cpp_chunk, struct htab, struct toklist,
8584 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8585 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8586 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8587 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8588 (struct macro_args): Delete.
8589 * cpphash.h: See above.
8591 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8593 * cppmain.c (struct printer): Remove no_line_dirs.
8595 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8596 : Use options rather than CPP_OPTION.
8597 (setup_callbacks): Use cb rather than pfile->cb.
8598 (main): No need to check for a buffer. Use cpp_errors.
8599 (printer_init): Don't set no_line_dirs.
8600 (maybe_print_line): Use options not no_line_dirs.
8601 (cb_file_change): Don't call print_line if -P.
8603 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8605 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8607 * c-parse.in (finish_parse): Use cpp_errors.
8608 (__yylex): Use return value of cpp_pop_buffer.
8609 * cp/lex.c (finish_parse): Use cpp_errors.
8610 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8612 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8614 * README.AVR: URLs corrected.
8616 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8618 * c-decl.c (start_function): Don't warn if old prototype is builtin
8619 that's not in C's namespace.
8620 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8621 (_bb): Add prototype for ctime.
8622 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8624 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8626 * i386.c (ix86_fp_comparison_arithmetics_cost,
8627 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8628 ix86_fp_comparison_cost): New functions.
8629 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8630 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8631 two-branch sequences; make static.
8632 (ix86_use_fcomi_compare): Do decision according to the costs.
8633 (split_fp_branch): New.
8634 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8635 * i386-protos.h (ix86_expand_fp_compare): Remove
8636 (ix86_split_fp_branch): Declare.
8638 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8639 and ix86_comparison_operator.
8641 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8644 * i386.c (put_condition_code): Output properly the unordered/ordered
8645 compares in fp case.
8646 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8648 * tm.texi (REVERSE_CONDITION): Document.
8649 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8650 in -ffast-math mode.
8651 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8653 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8655 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8657 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8660 * config/sh/sh.c (mova_p): Fix test for mova_const.
8662 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8664 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8665 cpp_get_options rather than dereferencing pfile and using
8667 * scan-decls.c (scan_decls): Use return value of
8668 cpp_pop_buffer rather than CPP_BUFFER.
8670 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8672 * cppinit.c (cpp_handle_option): help_only is now part of the
8673 cpp_options structure.
8674 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8675 cpp_set_callbacks): New functions.
8676 * cpplib.h (cpp_callbacks): Break out as a named structure.
8677 (cpp_options): Move help_only here from cpp_reader.
8678 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8679 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8680 cpp_set_callbacks): New prototypes.
8681 * cppmain.c (main): Update for help_only.
8683 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8685 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8686 Also build and remove and install and uninstall c-tree.info and
8688 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8689 ($(srcdir)/cppinternals.info): New target.
8690 * c-tree.texi: Change file name used when makeinfo used without -o
8691 from ir.info to c-tree.info. Add info directory entry.
8692 * cppinternals.texi: Add info directory entry.
8693 * .cvsignore: Update.
8695 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8697 * c-typeck.c (store_init_value): Don't require constant initializer
8698 elements with -pedantic -std=c99.
8699 (digest_init): Change error about non-constant initializer elements
8701 (constructor_range_end): Remove.
8702 (constructor_incremental, designator_depth,
8703 designator_errorneous): New variables.
8704 (struct constructor_stack): Remove range_end, add incremental.
8705 (struct constructor_range_stack, constructor_range_stack): New.
8706 (struct initializer_stack): Add constructor_range_stack.
8707 (finish_init): Set it.
8708 (start_init): Likewise. require_constant_elements for non-static
8709 trees only if not flag_isoc99.
8710 (really_start_incremental_init): Remove constructor_range_end, add
8711 constructor_incremental.
8712 (pop_init_level): Likewise.
8713 (push_init_level): Likewise. If implicit and the subobject had some
8714 value set already, preinitialize the level with it.
8715 Warn about missing braces only if not pushing due to designators.
8716 (set_designator, push_range_stack): New functions.
8717 (set_init_label): Use them.
8718 (set_init_index): Likewise. Remove constructor_range_end.
8719 Error if designator index is outside of array bounds.
8720 (add_pending_init): Compare values of purpose index trees, not the
8721 trees themselves. Allow overwriting of already initialized element.
8722 Issue a warning if it had side-effects.
8723 (set_nonincremental_init, set_nonincremental_init_from_string): New
8725 (pending_init_member): Rename to...
8726 (find_init_member): ...this function. Call set_nonincremental_init
8727 if necessary. Compare values of purpose index trees, not the trees
8728 themselves. Return the actual value, not just non-zero if something
8730 (output_init_element): Remove checks for duplicates.
8731 If field has zero size, only check the initializer for correctness.
8732 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8733 if constructor_incremental is zero. Change error about initializers
8734 not computable at load time into pedwarn.
8735 (output_pending_init_elements): Compare bit positions, not
8736 FIELD_DECLs to take into account zero-sized fields.
8737 (process_init_element): Use constructor_range_stack to fill all
8738 ranges in the designator lists from current level up.
8739 * extend.texi: Update documentation for labeled elements.
8741 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8743 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8744 to function usage for arguments passed by reference. Optimize
8745 callee-copied arguments.
8746 * regmove.c (replace_in_call_usage): New function.
8747 (fixup_match_1): Call it.
8748 * cse.c (cse_insn): Canonicalize registers in function usage.
8749 * reload1.c (replace_pseudos_in_call_usage): New function.
8752 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8755 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8757 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8760 2001-01-12 DJ Delorie <dj@redhat.com>
8762 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8763 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8766 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8768 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8769 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8770 -std options alongside references to -ansi. Update some
8771 documentation for C99.
8772 * cpp.1: Regenerate.
8774 2001-01-12 Andreas Jaeger <aj@suse.de>
8776 * haifa-sched.c (restore_line_notes): Remove argument block B
8778 * sched-ebb.c (schedule_ebb): Change caller.
8779 * sched-rgn.c (schedule_region): Likewise.
8780 * sched-int.h (restore_line_notes): Adjust prototype.
8782 * loop.h: Remove wrong declaration of doloop_condition_get.
8784 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8786 * extend.texi: Move C++-extension-related node from the C section
8787 into the C++ section.
8789 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8791 * extend.texi: Refer to an array of pointers to functions instead
8792 of one of functions.
8794 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8795 Jan Hubicka <jh@suse.cz>
8797 * combine.c (reversed_comparison): Fix typo in last patch.
8799 (combine_reversed_comparison_code): Make static to follow
8800 prototype declaration.
8802 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8804 * install.texi: Remove misplaced duplicate entry.
8806 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8808 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8810 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8812 * final.c: (leaf_function_p): Fix typo.
8814 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8816 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8817 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8819 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8820 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8821 mmap_anon, and valloc is available.
8822 * ggc-page.c: Restructure ifdef logic to match new autoconf
8823 spec. Don't throw away the test page in init_ggc.
8825 * configure, config.in: Regenerate.
8827 2001-01-12 Michael Hayes <mhayes@redhat.com>
8829 * loop.h (total_biv_increment): Constify iv_class pointer.
8830 (struct induction): Replace `mem_mode' with `mem' rtx.
8831 * unroll.c (total_biv_increment): Constify iv_class pointer.
8832 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8833 (find_mem_givs, combine_givs_p): Likewise.
8834 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8836 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8838 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8840 (__gthread_getspecific): Ditto.
8842 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8844 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8845 put_condition_code): Convert fp comparison codes to integer
8847 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8850 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8851 * i386-protos.h (no_comparison_operator): Kill.
8853 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8855 * combine.c (REVERSIBLE_CC_MODE): Remove.
8856 (reversible_comparison_p): Remove.
8857 (combine_reversed_comparison_code): New.
8858 (reversed_comparison): New.
8859 (combine_simplify_rtx): Use
8860 combine_reversed_comparison_code/reversed_comparison instead
8861 of reversible_comparison_p.
8862 (simplify_if_then_else): Likewise.
8863 (simplify_set): Likewise.
8864 (simplify_logical): Likewise.
8865 (if_then_else_cond): Likewise.
8866 (known_cond): Likewise.
8867 (simplify_comparison): Likewise.
8869 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8871 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8872 sizeof (int) is larger than sizeof(__word__).
8874 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8876 * cppinit.c (do_includes): Fix typo.
8878 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8880 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8881 in S_REGS does not occur because not all sources are possible
8882 when a S_REGS is a destination (sometimes needs a clobber).
8883 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8884 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8885 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8886 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8887 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8888 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8889 (lshrdi_const1, lshrsi3_const16): Likewise.
8890 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8891 (*movhi_68hc12, *movqi_68hc12): Likewise.
8892 (movstrictqi): Make sure reloading in D_REGS as a destination
8895 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8897 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8899 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8901 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8902 -D, -U and -A, and don't initialize the builtins.
8903 (do_includes): Error if -include or -imacros with -fpreprocessed.
8904 * cppmain.c (cb_define, cb_undef): Unconditionally process
8906 * tradcpp.c (main): Fix typo.
8908 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8910 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8911 (read_name_map): Use IS_ABSOLUTE_PATH.
8912 * tradcpp.c (get_filename): Likewise.
8914 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8916 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8917 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8918 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8919 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8920 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8921 (cmphi_z_used): Don't use '@' for the output.
8922 (tstqi_z_used): Likewise.
8923 (cmpqi_z_used): Likewise.
8924 (one_cmplsi2): Likewise.
8926 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8928 * config/sh/sh.c (barrier_align): Recognize branch around far
8929 branch and redundant insn.
8931 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8933 * invoke.texi: Restore documentation of the drivers' switches -MD
8936 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8938 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8940 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8941 check-objc//%): Support parallel testing of multilibs.
8942 (TESTSUITEDIR): Set to testsuite by default, but override for
8944 (check-gcc, check-g++, check-g77, check-objc): Enter
8947 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8949 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8950 * sched-deps.c (deps_may_trap_p): Likewise.
8951 * basic-block.h: Remove a comment.
8952 * flow.c (PROP_POSTRELOAD): Remove.
8953 (update_life_info): Don't add it to prop_flags.
8954 (mark_set_1): Lose the code that was enabled by it.
8956 2001-01-11 Michael Hayes <mhayes@redhat.com>
8958 * flow.c (flow_call_edges_add): New.
8959 * basic_block.h (flow_call_edges_add): New.
8961 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8963 * reload1.c (move2add_note_store): Update reg_set_luid even if
8964 base reg remains the same.
8966 2001-01-10 Nick Clifton <nickc@redhat.com>
8968 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8969 machine_function structure to zero.
8970 Add prototypes for machine_status functions.
8972 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8974 * c-common.h (CTI_VOID_LIST): Remove.
8975 (void_list_node): Likewise.
8976 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8977 (void_list_node): New macro.
8978 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8979 * config/i386/i386.c (ix86_init_builtins): Likewise.
8980 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8982 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8984 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8985 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8987 * tradcpp.c: Include mkdeps.h.
8988 (deps, print_deps_phony_targets, deps_append, output_deps,
8989 init_dependency_output, output_deps): New.
8990 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8991 deps_output): Delete.
8992 (print_deps_missing_files): Rename deps_missing_files.
8993 (inhibit_output): Make global.
8994 (main): Delete inhibit_output, deps_stream, deps_target.
8995 Use mkdeps functionality in the same way as cpplib. Remove
8996 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8997 -M and -MM. Remove old handling of deps via deps_out, and
8998 old reading of environment variables.
8999 (get_filename): Update to use deps_add_dep.
9001 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9003 * output.h (make_function_rtl): Remove prototype.
9004 (make_decl_rtl): Likewise.
9005 * varasm.c (make_function_rtl): Remove.
9006 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
9007 than from a third parameter.
9008 * tree.h (make_decl_rtl): Remove last parameter.
9009 * c-decl.c (builtin_function): Remove last argument in call to
9010 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
9011 (start_function): Likewise.
9012 * except.c (call_get_eh_context): Likewise.
9013 * expr.c (emit_block_move): Likewise.
9014 (clear_storage): Likewise.
9015 * profile.c (output_func_start_profiler): Likewise.
9016 * toplev.c (rest_of_decl_compilation): Likewise.
9017 * objc/objc-act.c (create_builtin_decl): Likewise.
9018 (synth_module_prologue): Likewise.
9019 (generate_static_reference): Likewise.
9020 (build_selector_reference_decl): Likewise.
9021 (build_class_reference_decl): Likewise.
9022 (build_objc_string_decl): Likewise.
9023 (build_protocol_reference): Likewise.
9025 2001-01-10 Richard Henderson <rth@redhat.com>
9027 * hwint.h: Revert yesterday's change.
9029 2001-01-10 Nick Clifton <nickc@redhat.com>
9031 * function.h (save_machine_status): Delete.
9032 (restore_machine_status): Delete.
9033 Amend comment describing {init|mark|free}_machine_status.
9035 * function.c (save_machine_status): Delete.
9036 (restore_machine_status): Delete.
9037 Amend comment describing {init|mark|free}_machine_status.
9038 (push_function_context_to): Remove invocation of
9039 save_machine_status.
9040 (pop_function_context_from): Remove invocation of
9041 restore_machine_status.
9043 * emit-rtl.c (init_emit_once): Amend comment describing
9044 {init|mark|free}_machine_status.
9046 * tm.texi (Per-Function Data): New node. Describe the
9047 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
9050 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9052 * cppinit.c (OPT_g): Remove.
9053 (cpp_handle_option): Update for removed -g3.
9054 (print_help): Update.
9055 * cpplib.h (struct cpp_options): Remove debug_output.
9056 * cppmain.c (setup_callbacks, cb_define): Update.
9057 * gcc.c (cpp_options): Translate -g3 to -dD.
9059 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
9061 * config/i960/i960.md: Change modifier to + on the zero_extract
9062 pattern after the (rotate -2 reg) canonicalization pattern.
9064 2001-01-10 Richard Henderson <rth@redhat.com>
9066 * config/alpha/alpha.c (alpha_free_machine_status): New.
9067 (override_options): Install it.
9068 (alpha_mark_machine_status): Verify machine non-null.
9069 * config/i386/i386.c (ix86_free_machine_status): New.
9070 (override_options): Install it.
9071 (ix86_init_machine_status): Use xcalloc.
9072 (ix86_mark_machine_status): Verify machine non-null.
9073 * config/ia64/ia64.c (ia64_free_machine_status): New.
9074 (ia64_override_options): Install it.
9075 (ia64_mark_machine_status): Verify machine non-null.
9077 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
9079 * function.c (instantiate_virtual_regs): Instantiate virtual
9080 registers found in CALL_INSN_FUNCTION_USAGE.
9082 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9084 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
9085 equivalent to -ansi in disabling -Di386.
9087 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
9089 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
9091 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
9093 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
9095 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
9097 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9099 * invoke.texi: Document that -fcond-mismatch isn't supported for
9102 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9104 * gcc.texi: Define macro gcctabopt.
9105 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
9106 @command, @env and @option in some places where appropriate. Use
9107 @gcctabopt where appropriate. Put URLs and email addresses inside
9110 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
9112 * gcc.c (cpp_options): Set MD file name from output
9113 filename, if specified.
9114 (suffix_subst): New static variable.
9115 (do_spec): Clear it.
9116 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9118 (give_switch): Handle suffix_subst.
9120 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9122 * invoke.texi: Fix another typo.
9124 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9126 * invoke.texi: Fix typo.
9128 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9130 * c-lang.c (lang_hooks): Update.
9131 (lang_decode_option): Remove.
9132 (lang_init_options): Rename c_init_options.
9133 * toplev.c (main): Use lang_hooks for lang_init_options
9134 and lang_decode_option.
9135 * toplev.h (lang_hooks): Add 2 new hooks.
9136 * tree.h: Remove lang_init_options and lang_decode_option.
9137 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
9138 * cp/decl2.c: Similarly.
9139 * cp/lex.c (lang_init_options): Rename cxx_init_options.
9140 (lang_hooks): Update.
9141 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
9143 (lang_init_options): Rename ffe_init_options.
9144 (lang_hooks): Update.
9145 (lang_decode_option): Remove.
9146 * java/lang.c (lang_init_options): Rename java_init_options.
9147 (lang_decode_option): Rename java_decode_option.
9148 (lang_hooks): Update.
9149 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
9150 (lang_decode_option): Rename objc_decode_option.
9151 (lang_hooks): Update.
9153 2001-01-09 Nick Clifton <nickc@redhat.com>
9155 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
9156 (d30v_return_addr_rtx): Delete.
9157 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
9158 cfun->machine structure.
9159 (struct machine_function): Move to d30v.h
9160 (d30v_save_machine_status): Delete.
9161 (d30v_restore_machine_status): Delete.
9162 (d30v_init_machine_status): New Function.
9163 (d30v_mark_machine_status): New Function.
9164 (d30v_free_machine_status): New Function.
9165 (d30v_init_expanders): Use new functions.
9166 (d30v_return_addr): Use ra_rtx field in cfun->machine.
9167 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
9168 d30v_return_addr_rtx.
9170 * config/d30v/d30v.h (struct_machine): Move here.
9171 Add eh_epilogue_sp_ofs field.
9173 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
9174 field in cfun->machine structure.
9176 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
9178 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
9179 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
9180 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9182 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
9184 * objc/lang-options.h: Remove bogus reference to
9187 2001-01-09 Kazu Hirata <kazu@hxi.com>
9189 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
9192 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
9194 * reload.c (find_reloads_address): Check for eliminable registers
9195 when substituting a constant expression for a pseudo.
9197 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
9199 * c-common.c (enum format_type): Add format_type_error.
9200 (decode_format_type): New function.
9201 (decl_attributes): Use it.
9202 (format_kind_info): Adjust comment.
9204 2001-01-09 David O'Brien <obrien@BSDi.com>
9206 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9207 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9209 * config/i386/gnu.h: Don't include required platform specific .h files,
9210 tm.h will do it instead.
9211 * config/i386/i386elf.h: Likewise.
9212 * config/i386/linux.h: Likewise.
9213 * config/i386/moss.h: Likewise.
9214 * config/mips/gnu.h: Likewise.
9216 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9218 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9219 (rs6000-ibm-aix3.[01]*): Likewise.
9220 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9221 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9222 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9223 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9224 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9225 (powerpc-*-eabiaix*): Likewise.
9226 (powerpc-*-eabisim*): Likewise.
9227 (powerpc-*-elf*): Likewise.
9228 (powerpc-*-eabi*): Likewise.
9229 (powerpc-*-rtems*): Likewise.
9230 (powerpc-*-linux*libc1): Likewise.
9231 (powerpc-*-linux*): Likewise.
9232 (powerpc-wrs-vxworks*): Likewise.
9233 (powerpcle-wrs-vxworks*): Likewise.
9234 (powerpcle-*-sysv*): Likewise.
9235 (powerpcle-*-elf*): Likewise.
9236 (powerpcle-*-eabisim*): Likewise.
9237 (powerpcle-*-eabi*): Likewise.
9238 (powerpcle-*-solaris2*): Likewise.
9239 * config/rs6000/aix31.h: Delete includes.
9240 * config/rs6000/aix3newas.h: Likewise.
9241 * config/rs6000/aix41.h: Likewise.
9242 * config/rs6000/aix43.h: Likewise.
9243 * config/rs6000/beos.h: Likewise.
9244 * config/rs6000/rtems.h: Likewise.
9245 * config/rs6000/sysv4.h: Likewise.
9247 2001-01-09 Kazu Hirata <kazu@hxi.com>
9249 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9250 Change an argument mode of machine_mode to shift_mode of
9251 shift_mode. Remove an extra error check.
9252 (emit_a_shift): Adopt to the new calling prototype of
9254 (function_prologue): Fix code for a monitor
9255 function. Support H8/S.
9256 (function_epilogue): Do not output pop for a monitor function.
9258 2001-01-09 Nick Clifton <nickc@redhat.com>
9260 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9261 (setup_incoming_varargs): Use sysv_varargs_p field of the
9262 cfun->machine structure.
9263 (struct machine_function): Move to rs6000.h
9264 (rs6000_save_machine_status): Delete.
9265 (rs6000_restore_machine_status): Delete.
9266 (rs6000_init_machine_status): New Function.
9267 (rs6000_free_machine_status): New Function.
9268 (rs6000_init_expanders): Use new functions.
9270 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9272 (struct machine_function): Move here.
9274 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9275 sysv_varargs_p field of the cfun->machine structure.
9277 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9279 (rs6000_restore_machine_status): Remove prototype.
9281 2001-01-09 Richard Henderson <rth@redhat.com>
9283 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9284 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9285 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9286 (sched_analyze_2, sched_analyze_insn): Likewise.
9287 (sched_analyze, init_deps): Likewise.
9288 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9289 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9290 (compute_block_backward_dependences): Update propagate_deps call.
9292 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9294 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9296 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9298 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9299 (cpp_handle_option): Handle them.
9300 (cpp_post_options): Ensure one of -M or -MM is specified with
9301 any other -M? option.
9302 (init_dependency_output): Suppress output with -MG.
9304 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9307 * invoke.texi: Update.
9309 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9311 * sh.md (reload_outsf): Generate recognizable patterns for
9314 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9316 * c-lang.c (lang_hooks): Update.
9317 (lang_init): Rename c_init.
9318 (lang_finish): Remove.
9319 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9321 * toplev.h (lang_hooks): Add init () and finish ().
9322 * tree.h (lang_init, lang_finish): Remove.
9323 * cp/tree.h (lang_init, lang_finish): Remove.
9324 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9325 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9327 (lang_init, lang_finish): Remove.
9328 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9329 (lang_hooks): Update.
9330 * java/lang.c (lang_init): Rename java_init.
9331 (lang_finish): Remove.
9332 (lang_hooks): Update.
9333 * objc/objc-act.c (lang_init): Rename objc_init.
9334 (lang_finish): Remove.
9335 (lang_hoooks): Update.
9337 20001-01-09 Graham Stott <grahams@redhat.com>
9339 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9340 after `ptr` is initialised.
9342 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9344 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9345 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9346 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9347 stack adjusts, instead of r3.
9349 2001-01-09 Michael Hayes <mhayes@redhat.com>
9351 * flow.c (flow_loop_scan): Break out of ...
9352 (flow_loops_find) ... here.
9353 * basic-block.h (flow_loop_scan): New.
9354 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9355 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9357 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9359 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9361 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9362 realloc()ing macro_buffer.
9364 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9365 if it's wider than long and the target's long is wider than the
9368 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9370 Remove support for using UWIN as a host machine.
9371 * configure.in: Issue an error message.
9372 * configure: Regenerated.
9373 * config.gcc: Remove xm_* UWIN configury.
9374 * config/i386/xm-uwin.h: Remove.
9376 2001-01-08 Nick Clifton <nickc@redhat.com>
9378 * config/v850/v850.c (ra_rtx): Delete.
9379 (v850_save_machine_status): Delete.
9380 (v850_restore_machine_status): Delete.
9381 (v850_init_machine_status): New function.
9382 (v850_mark_machine_status): New function.
9383 (v850_free_machine_status): New function.
9384 (v850_return_addr): Use ra_rtx field in machine structure.
9385 (v850_init_expanders): Use new functions.
9387 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9388 * config/v850/v850.c: Change arguments to v850_output+* functions
9389 to take a const char *, to avoid compile time warning.
9390 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9391 (USER_LABEL_PREFIX): Redefine.
9393 2000-01-08 Jim Wilson <wilson@redhat.com>
9395 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9396 1 to unsigned HOST_WIDE_INT before left shift.
9398 2001-01-08 Nick Clifton <nickc@redhat.com>
9400 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9401 the machine structure has been allocated.
9402 (arm_free_machine_status): New function: Free the machine
9403 specific function structure.
9405 2001-01-08 Richard Henderson <rth@redhat.com>
9407 * jump.c (simplejump_p): Revert last change.
9409 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9411 * cppinit.c (init): Rename init_library.
9412 (cpp_create_reader): Update.
9413 * gcc.c (cpp_options): If -o given, use it as the target of
9416 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9418 * arm.c (arm_arch5e): New variable.
9419 (all_cores): XScale is a 5TE device.
9420 (arm_override_options): Set arm_arch5e.
9421 (arm_init_builtins): __builtin_prefetch is in arch5e.
9422 * arm.h (arm_arch5e): Declare it.
9424 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9426 * arm.md (define_constants): Add defines for UNSPEC and
9427 UNSPEC_VOLATILE insns. Update all users.
9428 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9429 * arm.c (multi_register_push, note_invalid_constants)
9430 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9431 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9432 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9434 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9436 * jump.c (jump_optimize_1): Use reversed_comparison_code
9437 instead of can_reverse_comparison_p.
9438 (jump_back_p): Likewise.
9439 (invert_exp_1): Likewise.
9440 (thread_jumps): Likewise.
9441 * simplify-rtx.c (simplify_unary_operation): Likewise.
9442 (simplify_ternary_operation): Likewise.
9443 * cse.c (find_comparison_args): Convert to use
9444 can_reverse_comparison_p.
9445 (record_jump_equiv): Likewise.
9447 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9449 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9450 (EPILOGUE_USES): Define.
9451 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9452 automatically stack the LR if it isn't live.
9454 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9456 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9459 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9461 * ggc-page.c (max_alignment): New structure.
9462 (MAX_ALIGNMENT): New macro.
9463 (init_ggc): Use it to round up the sizes in the
9464 extra_order_size_table.
9466 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9468 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9471 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9473 * builtins.def (BUILT_IN_FPRINTF): New entry.
9475 * c-common.c (c_expand_builtin_fprintf): New function.
9476 (init_function_format_info): Handle __builtin_fprintf.
9477 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9478 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9480 * c-decl.c (duplicate_decls): Adjust comment.
9482 * extend.texi (fprintf): Document new builtin.
9484 2001-01-07 Richard Henderson <rth@redhat.com>
9486 * jump.c (simplejump_p): Recognize any single_set jump
9489 2001-01-07 Richard Henderson <rth@redhat.com>
9491 * configure.in (slibdir): Accept an --with-slibdir option.
9492 Use "test" not "[" in configure. Default to $(libdir).
9494 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9496 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9497 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9498 (SHLIB_LINK): Create links for the soname.
9499 * config/mips/t-iris6: Likewise.
9500 * config/sparc/t-slibgcc: Likewise.
9501 * config/sparc/t-slibgcc-sld: Likewise.
9503 2001-01-07 Jakub Jelinek <jakub@redhat.com>
9505 * config/i386/i386.c (constant_call_address_operand): Accept
9506 (const (plus (symbol_ref) (const_int))).
9507 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9508 constant_call_address_operand.
9510 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9512 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9513 and LONG_LONG_TYPE_SIZE > 32.
9515 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9517 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9518 the previous change.
9520 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9522 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9524 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9525 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9526 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9529 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9531 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9533 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9535 * c-lang.c (c_post_options): Call cpp_post_options.
9536 * objc/objc-act.c (objc_post_options): Similarly.
9537 * cppmain.c (main): Similarly.
9538 * fix-header.c (read_scan_file): Similarly.
9539 * cppinit.c (cpp_start_read): Move option consistency checks
9540 to cpp_post_options. Don't call init_dependency_output.
9541 If needed, add default target and main file dependency.
9542 (OPT_MD, OPT_MMD): Remove.
9544 (cpp_handle_option): Update for OPT_* changes.
9545 (cpp_post_options): New.
9546 (init_dependency_output): Command line -MF overrides environment
9547 variables. Don't set default target etc. Suppress output
9548 if dependencies are going to stdout.
9549 (print_help): Update.
9550 * cpplib.h (cpp_post_options): New.
9551 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9553 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9555 * jump.c (comparison_dominates_p): Support unordered compares.
9557 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9559 * simplify-rtx.c (simplify_relational_operation): Always simplify
9560 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9563 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9565 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9566 (nonzero_bits): Likewise.
9567 (simplify_comparison): Likewise.
9568 (num_sign_bit_copies): Likewise; return more sane value depending
9569 on STORE_FLAG_VALUE.
9570 (known_cond): Do not assume EQ to be always true for equivalent
9573 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9575 * cse.c (fold_rtx): Handle unordered comparisons.
9577 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9579 * rtlanal.c (set_of_1): New static function.
9580 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9581 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9582 reg_set_last_last_regno): Remove.
9583 (set_of): New global function.
9584 (set_of_data): New structure.
9585 (reg_set_p, reg_set_last): Revamp for set_of.
9586 * rtl.h (set_of): New.
9588 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9590 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9591 * extend.texi: Document _Exit builtin.
9593 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9595 * (initialize, initialize_builtins,
9596 initialize_dependency_output, initialize_standard_includes):
9597 Rename s/initialize/init. Update.
9598 (init_dependency_output): Move to after
9599 cpp_handle_options, the correct location temporally at least.
9600 (opt_comp): Move next to init (), its caller. Fix prototype.
9601 (init): Make "initialized" local scope.
9602 (cpp_create_reader): Always call init ().
9603 (cpp_start_read): Update.
9604 (output_deps): New function, broken out of cpp_finish.
9605 (cpp_finish): Break out output_deps.
9607 2001-01-07 Richard Henderson <rth@redhat.com>
9609 * collect2.c (COFF specific stuff): Revert 12-06 patch
9610 to prototype system functions.
9612 2001-01-07 Michael Hayes <mhayes@redhat.com>
9614 * hard-reg-set.h: Add multiple include guard.
9615 * basic-block.h (struct loop): Add `sink' field.
9616 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9617 (emit_iv_add_mult): Delete.
9618 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9619 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9620 (unroll_loop): Remove end_insert_before argument.
9621 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9622 (maybe_eliminate_biv_1): Likewise.
9623 (emit_iv_add_mult): Delete.
9624 (gen_add_mult, loop_regs_update): New.
9625 (loop_insn_emit_after, loop_insn_emit_before): New.
9626 (loop_insn_sink, loop_insn_sink_or_swim): New.
9627 (emit_iv_add_mult): Delete.
9628 (scan_loop): Set loop->sink.
9629 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9630 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9631 (maybe_eliminate_biv_1): Likewise.
9632 (maybe_eliminate_biv_1): Add basic block argument.
9633 * unroll.c (unroll_loop): Remove end_insert_before argument.
9634 (find_splittable_regs): Likewise.
9635 (find_splittable_regs): Use loop_insn_sink and its ilk.
9636 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9638 2001-01-07 Michael Hayes <mhayes@redhat.com>
9640 * loop.h (loop_insn_hoist): New prototype.
9641 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9642 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9643 (check_dbra_loop, load_mems): Likewise.
9644 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9645 (find_splittable_givs): Likewise.
9647 2001-01-07 Michael Hayes <mhayes@redhat.com>
9649 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9651 2001-01-07 Richard Henderson <rth@redhat.com>
9653 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9655 2001-01-07 Richard Henderson <rth@redhat.com>
9657 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9658 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9659 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9660 variant that handles a shared libgcc.
9661 (process_command): Always validate -{static,shared}-libgcc.
9662 (do_spec_1): New 'M' case.
9663 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9665 2001-01-07 Richard Henderson <rth@redhat.com>
9667 * Makefile.in (slibdir): New variable.
9668 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9669 (installdirs): Create slibdir.
9670 (install-libgcc, install-multilib): Defer to libgcc.mk.
9671 * configure.in (slibdir): Substitute.
9672 * mklibgcc.in (install): New target.
9674 * config/t-linux (SHLIB_LINK): Create links for the soname.
9675 (SHLIB_INSTALL): New.
9676 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9677 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9678 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9679 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9680 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9682 2001-01-07 Richard Henderson <rth@redhat.com>
9684 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9685 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9686 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9688 2001-01-07 Michael Hayes <mhayes@redhat.com>
9690 * loop.c (count_loop_regs_set): Delete.
9691 (load_mems_and_recount_loop_regs_set): Delete.
9692 (loop_regs_scan): Merge common code from count_loop_regs_set,
9693 scan_loop, and load_mems_and_recount_loop_regs_set.
9694 (scan_loop): Call load_mems directly and loop_regs_scan
9695 again if new registers created.
9697 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9699 * toplev.c (main): Call the front-end specific post_options
9700 hook if one is given.
9701 * toplev.h (struct_lang_hooks, lang_hooks): New.
9702 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9703 for the C front end.
9704 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9705 lang_hooks for the C++ front end.
9706 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9707 lang_hooks for the ObjC front end.
9708 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9709 * java/lang.c (lang_hooks): Hooks for the Java front end.
9711 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9713 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9714 for verbose DWARF[2] debugging.
9715 (cb_define, cb_undef): The new callbacks.
9716 * toplev.h (debug_define, debug_undef): Make const correct.
9717 * toplev.c (debug_define, debug_undef): Similarly. Do not
9718 perform the verbosity tests here anymore.
9720 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9722 * reload.c (subst_reloads): Take INSN argument. When
9723 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9724 * reload.h (subst_reloads): Adjust prototype.
9725 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9726 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9727 present in JUMP_INSNs and copy them to JUMP_LABEL.
9728 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9729 JUMP_INSNs and insns with REG_LABELs that are followed by
9730 JUMP_INSNs with the same REG_LABEL.
9731 * sched-rgn.c (is_cfg_nonregular): Likewise.
9732 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9734 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9736 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9738 2001-01-06 Richard Henderson <rth@redhat.com>
9740 * loop.c (scan_loop): Use xcalloc for the regs array.
9741 (load_mems_and_recount_loop_regs_set): Zero the new memory
9742 received from xrealloc.
9744 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9746 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9748 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9750 * integrate.c (copy_rtx_and_substitute): When copying
9751 an ignored return value, strip REG_FUNCTION_VALUE_P.
9753 2001-01-06 Michael Hayes <mhayes@redhat.com>
9755 * loop.c (debug_biv, debug_giv): New.
9756 (loop_biv_dump): Break out from ...
9757 (record_biv): ... here.
9758 (loop_giv_dump): Break out from ...
9759 (record_giv): ... here.
9760 (loop_bivs_check): Use print_simple_rtl.
9761 * unroll.c (loop_iterations): Use print_simple_rtl.
9763 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9765 * pa.md (return, return_internal): Modify patterns to prevent regrename
9766 mucking with the return pointer.
9768 2001-01-05 Richard Henderson <rth@redhat.com>
9770 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9772 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9774 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9775 version supplied by Matteo Frigo.
9777 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9779 * cpp.texi: Update for -MQ.
9780 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9781 (cpp_cleanup): Always free pfile->deps.
9782 (initialize_dependency_output): Don't create pfile->deps.
9783 (cpp_handle_option): Similarly.
9785 * gcc.c (cpp_options): Handle -MQ.
9786 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9787 * mkdeps.c (base_name): Remove.
9788 (deps_init): Don't allocate vector space until it's needed.
9789 (deps_free): Only free vectors if allocated.
9790 (deps_add_target, deps_add_dep): Update for initial allocation.
9791 (deps_add_default_target): Don't strip to the base_name.
9793 2001-01-05 DJ Delorie <dj@redhat.com>
9795 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9796 (INIT_EXPANDERS): Define.
9798 * config/v850/v850.c (struct machine_function): Define.
9799 (v850_save_machine_status): New function.
9800 (v850_restore_machine_status): New function.
9801 (v850_return_addr): New function.
9802 (v850_init_expanders): New function.
9804 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9805 and v850_init_expanders.
9807 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9809 * cpplib.h (struct cpp_reader): Add help_only field.
9810 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9811 (cpp_handle_option): Set pfile->help_only if we see -h,
9812 --help, -target-help, or --version. Print version string but
9813 do not set help_only if we see -v or -version. Make text
9814 printed by -v match that printed by (-)-version.
9816 * cppmain.c (main): Exit after option parsing if
9817 pfile->help_only is true.
9819 * toplev.c (independent_decode_option): Call print_version,
9820 then exit, if we see --version (but not -version).
9821 (print_version): Split lengthy message into two lines.
9823 2001-01-05 Nick Clifton <nickc@redhat.com>
9825 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9826 temporary string for initialisation before calling ggc_alloc_string.
9828 2001-01-06 Michael Hayes <mhayes@redhat.com>
9830 * rtl.h (print_simple_rtl): New.
9831 * print-rtl.c (print_simple_rtl): New.
9833 (print_rtx): Disable printing of flags and modes, etc.,
9834 if `flag_simple` nonzero.
9836 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9838 * function.c (fixup_var_refs): Use push_to_full_sequence where
9841 2001-01-05 Michael Meissner <meissner@redhat.com>
9843 * flags.h (flag_reorder_blocks): Add declaration.
9844 (flag_rename_block): Ditto.
9846 2001-01-05 DJ Delorie <dj@redhat.com>
9848 * function.c (reorder_blocks): Make sure the flags are all reset
9849 before using them to mark blocks, else a second invocation will
9850 corrupt the block chain.
9851 (reorder_blocks_0): New, resets the flags.
9853 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9855 * cse.c (find_comparison_args): Stop if the argument is known to
9858 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9860 * config/sh/sh.md (movdf): When splitting load into pair of
9861 registers, don't clobber the register used in the address too
9864 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9866 * varasm.c (mark_constant_pool): Improve initial comments.
9867 (mark_constants): Move marking of constants to mark_constant.
9868 (mark_constant): New function to recursively mark all constants
9869 referred to by a constant.
9871 2001-01-05 Catherine Moore <clm@redhat.com>
9873 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9875 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9877 * cp/lang-options.h: Bring comment in line with reality.
9878 * f/lang-options.h: Likewise.
9879 * java/lang-options.h: Likewise.
9880 * objc/lang-options.h: Likewise.
9881 * ch/lang-options.h: Likewise.
9882 * f/g77.texi: And update the manual.
9884 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9885 Denis Chertykov <denisc@overta.ru>
9887 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9888 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9889 * config/avr/avr.md (all peepholes that request a scratch register):
9890 Call it, FAIL the peephole if not safe (in interrupt functions).
9892 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9894 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9896 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9898 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9900 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9901 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9902 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9903 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9904 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9906 * extend.texi: Document these builtins.
9908 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9910 * c-common.c (lang_get_alias_set): Say we know nothing of
9911 VECTOR_TYPE aliasing.
9913 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9915 2001-01-05 Bruce Korb <bkorb@gnu.org>
9917 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9918 their x* equivalent versions for atexit-less systems
9919 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9920 systems (or any other system any more).
9922 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9924 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9925 output operands. Use arm_hard_register_operand for operand 4.
9926 (stmsi_postinc): Similarly.
9927 (ldmsi): Use arm_hard_register_operand for opernand 2.
9929 * arm.c (arm_hard_register_operand): New function.
9930 * arm-protos.h (arm_hard_register_operand): Prototype it.
9932 * arm.h (HARD_REGNO_RENAME_OK): Define.
9934 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9936 * simplify-rtx.c (cfc_args): add "unordered" field.
9937 (check_fold_consts): Set unordered field.
9938 (simplify_relational_operation): Simplify the unordered
9941 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9944 * emit-rtl.c (try_split): Fix code to mark labels.
9945 * jump.c (mark_jump_label): Make global.
9946 * rtl.h (mark_jump_label): Declare.
9948 * predict.c (estimate_probability): Handle unordred comparisons.
9950 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9952 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9953 * cppinit.c (initialize_dependency_output): Update.
9954 (cpp_finish): Output dummy targets for -MP.
9956 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9957 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9958 * gcc.c (cpp_options): Update to handle -MP.
9959 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9960 to quote only the default target.
9961 (deps_phony_targets): Insert a preceding newline. Rename from
9962 deps_dummy_targets for consistency.
9965 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9967 * calls.c (emit_library_call_value_1): Support
9968 INIT_CUMULATIVE_LIBCALL_ARGS.
9969 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9971 2001-01-04 Richard Henderson <rth@redhat.com>
9973 * c-decl.c (finish_struct): Detect flexible array members
9974 used in an inappropriate context.
9975 * c-typeck.c (really_start_incremental_init): Special case
9976 constructor_max_index for zero length arrays.
9977 (pop_init_level): Allow initialization of flexible array
9978 members. Deprecate initialization of zero length arrays.
9979 Don't issue missing initializer warning for flexible array
9980 members or zero length arrays.
9981 (process_init_element): Don't dereference null DECL_SIZE.
9982 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9983 Don't abort for empty constructors. Use size_binop
9984 (output_constructor): Add commentary regarding zero length
9985 array futures. Abort if we try to initialize an array of
9986 unspecified length with a non-empty constructor in the middle
9989 * extend.texi (Zero Length): Update and clarify documentation
9990 on static initialization.
9992 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9994 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9995 with more than 32767 words of local storage.
9997 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9999 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
10000 for 'abs', 'labs', and 'fabs'.
10001 (c4x_expand_builtin): Likewise.
10002 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
10004 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10006 * config/sh/sh.md (prget, prset): New insn types.
10007 (return delay slot): Dont' allow prset.
10008 (call, sfunc delay slot): Don't allow prget.
10009 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
10010 for prset and prget.
10012 2001-01-05 Michael Hayes <mhayes@redhat.com>
10014 * loop.h (struct loop_reg): New.
10015 (struct loop_regs): Change to use array of `struct loop_reg'.
10016 * loop.c: Replace assortment of varrays with single regs array.
10017 (count_one_set): Delete may_not_move array argument
10018 and use regs array instead. All caller's changed.
10019 (count_loop_regs_set): Delete may_not_move and single_usage
10020 arguments and use regs array instead. All caller's changed.
10021 (find_single_use_in_loop): Replace usage array argument with pointer
10022 to regs structure. All caller's changed.
10023 (loop_optimize): Delete `moved_once' array.
10025 2001-01-05 Michael Hayes <mhayes@redhat.com>
10027 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
10028 Use it instead of loop_info->has_call for scanning loop mems.
10029 (check_dbra_loop): Replace loop_info->has_call test with
10030 loop_info->has_nonconst_call.
10032 2000-01-04 Matthew Hiller <hiller@redhat.com>
10034 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
10037 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10039 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
10040 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
10042 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10044 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
10045 (flag_short_double, flag_short_wchar): Define.
10046 (c_common_nodes_and_builtins): Create many tree nodes shared
10047 between C and C++ here instead of in cp/decl.c and ...
10048 * c-decl.c (init_decl_processing): ... here.
10049 (SIZE_TYPE, WCHAR_TYPE): Don't define.
10050 (flag_short_double, flag_short_wchar): Don't define.
10051 (record_builtin_type): New function.
10052 (build_void_list_node): New function.
10053 * c-common.h (flag_short_double, flag_short_wchar,
10054 record_builtin_type, build_void_list_node): Declare.
10056 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
10058 * integrate.c (expand_inline_function): Don't put a virtual
10059 register into the reg map.
10061 * function.c (fixup_var_refs_1): If force_operand didn't put
10062 the address into the target, move it there.
10064 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10066 Special-case tree_decl/tree_list allocations.
10067 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
10068 (OBJECT_SIZE): New macro.
10069 (NUM_EXTRA_ORDER): Likewise.
10070 (extra_order_size_table): New variable.
10071 (NUM_ORDERS): New macro.
10072 (objects_per_page_table): New variable.
10073 (object_size_table): New variable.
10074 (G.pages): Use NUM_ORDERS to bound the array.
10075 (G.page_tails): Likewise.
10076 (DIV_ROUND_UP): Remove.
10077 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
10078 (alloc_page): Use OBJECT_SIZE.
10079 (size_lookup): Don't make it const.
10080 (ggc_alloc): Use OBJECT_SIZE.
10081 (ggc_set_mark): Likewise.
10082 (ggc_get_size): Likewise.
10083 (init_ggc): Set up the object_size_table, objects_per_page_table,
10084 and adjust size_lookup.
10085 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
10086 (ggc_pop_context): Use NUM_ORDERS.
10087 (clear_marks): Likewise.
10088 (sweep_pages): Likewise.
10089 (poison_pages): Likewise.
10090 (ggc_print_statistics): Use OBJECT_SIZE.
10092 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10094 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
10095 Only call array_size_for_constructor if last field and array type
10096 with no upper bound.
10098 2001-01-04 Philip Blundell <philb@gnu.org>
10100 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
10101 from bit 31 downwards, if this requires no more insns.
10102 (count_insns_for_constant): New helper function for above.
10104 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
10106 * gencodes.c (output_predicate_decls): Remove empty initializer.
10108 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10110 * tree.c (copy_node): Remove documentation about obstacks.
10111 (buidl1): Check that nobody tries to build 2-argument nodes this
10114 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10116 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
10119 * gencodes.c (output_predicate_decls): Fill empty initializer
10122 2001-01-04 Jakub Jelinek <jakub@redhat.com>
10124 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
10125 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
10127 (do_include): Handle missing headers like cpp0.
10128 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
10129 paths with first include pathname. Don't strcat to uninitialized
10132 2001-01-04 Bernd Schmidt <bernds@redhat.com>
10134 * regrename.c (regrename_optimize): Don't rename from frame pointer
10135 if frame_pointer_needed.
10136 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
10137 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
10138 (ia64_reorg): Use it instead of scheduling if ! optimize.
10139 (errata_emit_nops): Properly call asm_noperands.
10140 (ia64_sched_reorder): Finish cycle if we see an asm.
10141 (ia64_variable_issue): Clear scheduling state after asms.
10143 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
10145 * cpp.texi: Update for -MT.
10146 * cppinit.c (initialize_dependency_output): Add a default
10147 target if none has been given already.
10148 (no_tgt, OPT_MT): New.
10149 (cpp_handle_option): Handle -MT. Update -M etc.
10150 * cpplib.h (struct cpp_options): Remove deps_target.
10151 * gcc.c (cpp_options): Handle -MT.
10152 * mkdeps.c (struct deps): Move from mkdeps.h.
10153 (deps_calc_target): Rename deps_add_default_target. Add a
10154 default target if none has been specified already.
10155 * mkdeps.h (struct deps): Move to mkdeps.c.
10156 (deps_calc_target): Rename deps_add_default_target.
10158 2000-01-03 Richard Henderson <rth@redhat.com>
10160 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
10162 * c-typeck.c (push_init_level): Move checks for flexible array
10163 members and zero length arrays ...
10164 (pop_init_level): ... here. Silently discard empty initializations.
10166 * varasm.c (output_constructor): Update for sizeof change to
10167 zero-length arrays.
10169 * extend.texi (Zero Length): Clarify semantics.
10171 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10173 * configure.in (tm.h): Include isns-codes.h last.
10174 * configure: Rebuilt.
10176 2001-01-03 Richard Henderson <rth@redhat.com>
10178 * config/alpha/alpha.md (addvsi3, addvdi3): New.
10179 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
10181 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10183 * tradcpp.c (main): Make sure finclude() is called with a valid
10184 indepth value while handling -include.
10186 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10188 * gencodes.c (output_predicate_decls): New function.
10190 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
10191 even if it is not the first time machmode.h is #included.
10192 * config/sh/sh.c (fpul_operand): Declare MODE argument.
10193 * tm.texi (PREDICATE_CODES): Document predicate declarations.
10194 * gcc.texi (Copyright): Added 2001.
10196 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10198 * c-common.c (c_common_lang_init): New function. Warn if format
10199 warning options which only have effects when used with -Wformat
10200 are used without -Wformat.
10201 * c-common.h (c_common_lang_init): Declare.
10202 * c-lang.c (lang_init): Call c_common_lang_init.
10203 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10205 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10207 * configure.in: Check for the mktemp command.
10208 * configure: Regenerate.
10209 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10210 $TEMP. Create temporary files with mktemp, if available at
10211 configure time; otherwise use set -C. Remove temporary files
10214 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10216 * configure.in: Require at least texinfo 4.0. Check for whether
10217 Pod::Man is sufficiently recent to regenerate GCC manpages.
10218 * configure: Regenerate.
10219 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10221 (GENERATED_MANPAGES): Define.
10222 (generated-manpages): New target. Depend on cpp.1 as well as
10224 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10225 configure to generated-manpages or empty) rather than on the
10226 manpages directly. Remove execute permission from installed
10227 gcov.1 as well as cpp.1.
10228 * cpp.1, gcov.1: Regenerate.
10230 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10232 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10233 tree_low_cst. Allow using cmpstrsi in more cases.
10235 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10237 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10240 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10242 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10243 * Makefile.in (HOST_CFLAGS): Mention build-make.
10245 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10247 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10250 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10252 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10255 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10258 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10259 reg_base_value and reg_known_value arrays.
10260 (init_alias_analysis): Add more cases to detect known values.
10261 * sched-deps.c (deps_may_trap_p): New function.
10262 (sched_analyze_2): Use it.
10264 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10266 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10267 don't discard an ASHIFTRT if we're shifting in a wider mode.
10269 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10271 * toplev.c (rest_of_compilation): Don't print basic block information
10272 when CFG isn't up to date.
10274 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10276 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10277 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10278 (UNALIGNED_SHORT_ASM_OP): Define.
10279 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10281 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10283 * fold-const.c (fold_convert): Fix typo.
10285 2001-01-02 Richard Henderson <rth@redhat.com>
10287 * c-common.h (ASM_INPUT_P): New.
10288 * c-parse.in (asm): Set it when needed.
10289 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10290 existance of an operand.
10292 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10294 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10295 (dwarf2out_frame_debug_expr): Likewise.
10296 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10298 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10300 * i386.c (ix86_split_to_parts): Return number of part required;
10302 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10304 (ix86_split_long_move): Use number of part returned
10305 by ix86_split_to_parts
10306 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10308 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10309 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10310 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10311 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10312 (ALIGN_MODE_128): Add TFmode.
10313 (IS_STACK_MODE): Likewise.
10314 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10315 (HARD_REGNO_OK): Support TFmodes.
10316 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10317 * i386.md (scheduler definitions): Use memory operand to determine
10318 fst/fld instructions; use mode attribute to determine real mode of
10320 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10321 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10323 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10325 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10327 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10329 * expr.c (store_constructor_field): Update ALIGN before calling
10332 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10334 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10337 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10339 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10342 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10344 * c-decl.c (start_function): Don't warn on third parameter to main.
10346 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10348 * tsystem.h: Define HAVE_DECL_GETOPT.
10350 2001-01-02 Philip Blundell <pb@futuretv.com>
10352 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10355 2001-01-02 Richard Henderson <rth@redhat.com>
10357 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10359 2001-01-02 Andreas Jaeger <aj@suse.de>
10361 * c-decl.c (c_decode_option): Remove support of
10362 -Wmissing-noreturn.
10364 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10365 (W_options): Add -Wmissing-noreturn here.
10367 * flow.c: Define lang_missing_noreturn_ok_p.
10368 (check_function_return_warnings): Use it.
10370 * c-common.h: Declare lang_missing_noreturn_ok_p.
10372 * c-lang.c (c_missing_noreturn_ok_p): New function.
10373 (lang_init): Set lang_missing_noreturn_ok_p.
10375 * invoke.texi (Warning Options): Document this.
10377 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10379 * extend.texi (C++ Extensions): New node for C++ attributes;
10380 describe init_priority and com_interface.
10381 * invoke.texi: Remove -finit-priority as it now has zero effect.
10382 * install.texi: Fix xref syntax.
10383 * md.texi: Likewise.
10385 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10387 * config.gcc (sparc64-wrs-vxworks*): New case.
10388 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10390 * config/sparc/sparc.c (sparc_override_options): Do support different
10391 pointer and architecture size.
10392 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10393 (POINTERS_EXTEND_UNSIGNED): Define.
10394 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10395 (FUNCTION_MODE): Define to be Pmode.
10396 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10398 * function.c (expand_function_end): Properly handle DECL_RESULT
10399 and copy when ptr_mode != Pmode.
10400 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10402 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10404 * c-common.c (c_common_nodes_and_builtins): Set prototype
10405 parameters for __builtin_fputs, __builtin_fputc and
10406 __builtin_fwrite. Don't declare plain fputc as a builtin.
10408 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10410 * loop.c (add_label_notes): Increment the label usage count when
10411 a note is added to an insn which refers to a CODE_LABEL.
10412 * gcse.c (add_label_notes): Likewise.
10414 2001-01-01 Andreas Jaeger <aj@suse.de>
10416 * loop.c (scan_loop): Use xmalloc to allocate movables.
10418 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10420 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10421 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10422 * reload1.c (REGISTER_MOVE_COST): Likewise.
10423 * regclass.c (REGISTER_MOVE_COST): Likewise.
10424 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10425 dimension. Adjust all users.
10426 (init_reg_sets_1): Iterate on all modes.
10427 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10428 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10429 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10430 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10431 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10432 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10433 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10434 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10435 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10436 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10437 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10438 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10439 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10440 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10441 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10442 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10443 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10444 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10445 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10446 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10447 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10448 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10449 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10450 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10451 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10452 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10453 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10455 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10457 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10458 arg VARIES_P. Call it with extra arg.
10459 (true_dependence): Likewise.
10460 * rtl.h (rtx_addr_can_trap_p): Declare.
10461 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10463 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10464 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10465 pic offset table register if it's zero. All callers changed.
10466 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10468 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10470 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10471 STRING_POOL_ADDRESS_P.
10473 * config/sparc/sparc.c (input_operand): Properly test for short op.
10475 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10476 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10477 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10478 * config/sparc/elf.h: No longer include sol2.h.
10479 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10480 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10482 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10484 2001-01-01 Michael Hayes <mhayes@redhat.com>
10486 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10487 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10488 (record_initial): Likewise.
10489 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10490 (remap_split_bivs): Likewise.
10492 2001-01-01 Michael Hayes <mhayes@redhat.com>
10494 * loop.c (loop_ivs_free): New function.
10495 (strength_reduce): Break out from...
10497 2001-01-01 Michael Hayes <mhayes@redhat.com>
10499 * loop.h (struct iv): New.
10500 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10501 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10502 'reg_biv_class' fields with 'regs' and 'n_regs'.
10503 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10504 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10505 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10507 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
10509 * resource.c (mark_referenced_resources): Abort() before
10510 attempting to mark a pseudo register.
10511 (mark_set_resources): Likewise.
10513 2001-01-01 Michael Hayes <mhayes@redhat.com>
10515 * loop.h (REG_IV_CLASS): New accessor macro.
10516 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10517 * unroll.c (REG_IV_CLASS): Likewise.
10519 See ChangeLog.4 for earlier changes.