1 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5 strlen or strcpy; we already know the length.
6 (_cpp_compare_file_date): Similarly.
7 * cpphash.h (struct cpp_reader): Delete done_initialising.
8 (CPP_PREV_BUFFER): Delete.
9 * cppinit.c (cpp_start_read): Don't set done_initialising.
10 * cpplex.c (parse_string): Guarantee null-termination.
11 (_cpp_equiv_toklists): Remove.
12 * cpplib.c (glue_header_name): Null-terminate.
13 (do_line): Don't leak memory.
14 * cpplib.h (BT_WEAK): Delete.
15 * cppmain.c (cb_ident): Strings are now null-terminated.
17 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
19 * gcc.c (convert_filename): Append executable suffix
20 if NO_AUTO_EXE_SUFFIX is not defined.
21 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
22 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
24 2001-03-03 David O'Brien <obrien@FreeBSD.org>
26 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
27 * c-parse.gperf, c-gperf.h: Delete.
28 (c-gperf.h was accidently re-added to the CVS repo in the rev 1.16 commit
31 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
33 * cpplex.c (_cpp_lex_token): Don't warn about directives in
34 macro arguments when looking for the '('.
35 * cppmacro.c (funlike_invocation_p): Set parsing_args to
36 2 when really parsing arguments; 1 when looking for '('.
37 Always restore the lexer position.
39 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
41 * longlong.h (umul_ppmm): Don't use a multiline string.
43 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
45 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
46 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
47 t_bool in declaration because pcc can't combine volatile with typedef
50 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
52 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
53 until when it is really needed.
54 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
55 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
56 * i386.md (float?i?f splitter): Don't force source operand to memory
58 (sse_movdfcc): Fix constraint.
59 (sse_movdfcc splitter): Handle properly the second alternative.
61 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
63 * cpplex.c (parse_string): Unconditionally pedwarn.
65 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
68 * cppexp.c (parse_number): Update.
69 * cpplex.c (parse_string): Pedwarn if multiline string does not
70 result from a system header's macro.
71 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
72 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
73 for function-like macros too.
74 * c-lex.c (lex_number): Update.
76 2001-03-03 Richard Henderson <rth@redhat.com>
78 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
80 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
82 * combine.c (try_combine): If split with mode-changed scratch
83 register didn't work, try the original mode.
85 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
87 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
88 * config/c4x/c4x.h: Likewise.
89 * stor-layout.c (compute_record_mode): Likewise.
90 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
92 2001-03-02 Zack Weinberg <zackw@stanford.edu>
94 * configure.in: Kill tm.h. Include the files in the $tm_file
95 list in all three of config.h, hconfig.h, tconfig.h, after the
96 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
97 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
98 * configure: Regenerate.
99 * Makefile.in (clean): Don't delete tm.h.
101 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
102 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
103 those are not defined, set SEC and FEC to 0 and 1.
104 * gcc.texi: Update to match.
106 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
107 * config/fp-bit.c, config/m68k/aux-crt2.asm,
108 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
109 Include tconfig.h, not tm.h.
111 * config/xm-lynx.h, config/xm-std32.h,
112 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
113 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
114 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
115 config/clipper/xm-clix.h, config/convex/xm-convex.h,
116 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
117 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
118 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
119 config/i386/xm-i386.h, config/i860/xm-i860.h,
120 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
121 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
122 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
123 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
124 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
125 config/pa/xm-linux.h, config/pa/xm-pa.h,
126 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
127 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
128 config/pj/xm-pj.h, config/romp/xm-romp.h,
129 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
130 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
131 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
132 config/v850/xm-v850.h, config/vax/xm-vax.h,
133 config/we32k/xm-we32k.h:
135 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
137 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
138 config/i370/xm-oe.h: Don't include tm.h. Don't define
140 * config/vax/xm-vms.h: Don't include tm.h.
142 * config/xm-lynx.h, config/avr/xm-avr.h,
143 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
144 Delete; made empty by above changes.
145 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
146 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
147 Don't include config/xm-lynx.h or tm.h.
149 * config/xm-gnu.h: Don't include fcntl.h.
150 * config/sparc/xm-lynx.h: Don't include sys/types.h and
152 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
154 2001-03-02 Richard Henderson <rth@redhat.com>
156 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
157 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
159 2001-03-02 Richard Henderson <rth@redhat.com>
161 * Makefile.in (OBJS): Add dwarf2asm.o.
162 * dwarf2asm.c, dwarf2asm.h: New files.
163 * dwarf2out.c (*): Use them.
164 (size_of_uleb128, size_of_sleb128): Remove.
165 (output_uleb128, output_sleb128): Remove.
166 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
167 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
168 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
169 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
170 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
171 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
172 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
173 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
174 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
175 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
176 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
177 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
178 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
179 (dwarf2out_frame_debug): Remove unused variables.
180 (output_loc_operands): Don't abort on 8 byte constants if
181 host integers are wide enough.
182 (output_symbolic_ref): Remove.
183 (size_of_die): Don't assume 4 byte host integers.
184 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
186 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
187 something stupid with HOST_WIDE_INT to long truncation.
188 [CONST_DOUBLE]: Likewise.
190 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
191 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
192 * config/arm/unknown-elf.h: Likewise.
193 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
194 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
195 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
196 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
197 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
198 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
199 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
200 (ASM_OUTPUT_DWARF_OFFSET): Remove.
201 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
202 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
203 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
204 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
206 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
208 * cselib.c (hash_rtx): Cast enums to unsigned int.
210 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
212 * print-rtl.c (print_rtx): Cast enums to int for comparison.
213 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
215 * c-format.c (C_STD_VER): Cast to int for comparisons.
216 (check_function_format): Cast various enums to int for &.
217 (maybe_read_dollar_number): Likewise.
218 (check_format_info): Likewise.
219 (check_format_info_main): Likewise.
220 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
221 (safe_from_p): Likewise.
222 * varasm.c (const_hash): Cast enum to int for %.
223 * emit-rtl.c (init_emit_once): Use int loop variable to work around
224 pcc enum problems with < and ++ operators.
225 * regclass.c (init_reg_sets_1): Cast enums for comparison.
226 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
227 (regclass_init): Change enum class to int to iterate over reg_classes.
228 * genrecog.c (merge_trees): Cast enums for comparison.
229 * rtl.h (GET_CODE): Cast to enum rtx_code.
230 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
231 (GET_MODE): Cast to enum machine_mode.
232 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
233 (GET_NOTE_INSN_NAME): Cast enum to int.
234 * tree.h (TREE_CODE): Cast to enum tree_code.
235 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
236 * timevar.c (timevar_print): Change loop variable id from enum to
238 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
239 * config/i386/i386.md: Use PUT_MODE for mode assignment.
240 * toplev.c (compile_file): Cast enum DFI to int.
241 (decode_d_option): Likewise.
243 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
245 * cppinit.c (append_include_chain): Mark "after" include file name list
246 as a system directory.
247 * cpp.texi: Document new behavior.
249 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
251 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
253 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
255 * cppfiles.c (struct include_file): Update.
256 (stack_include_file): Use search_from.
257 (cpp_included, find_include_file): Update.
258 (cpp_execute_include): Update. ptr->name may not be
259 null terminated. Use the new search_from member variable
261 (_cpp_compare_file_date): Similarly.
262 (search_from): New function, similiar to actual_directory.
263 (actual_directory): Delete.
264 (remap_filename): Update. loc->name may not be null terminated.
265 (struct file_name_list): Rename search_path. Update.
266 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
268 (struct cpp_reader): Remove actual_dirs.
269 * cppinit.c (struct cpp_pending): Update for renamed objects.
270 (append_include_chain, remove_dup_dir, remove_dup_dirs,
271 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
272 * cpplib.h (struct cpp_options): Similarly.
274 2001-03-01 Zack Weinberg <zackw@stanford.edu>
276 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
277 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
278 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
279 config/clipper/xm-clix.h, config/convex/xm-convex.h,
280 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
281 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
282 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
283 config/i370/xm-linux.h, config/i370/xm-mvs.h,
284 config/i370/xm-oe.h, config/i386/xm-aix.h,
285 config/i386/xm-i386.h, config/i386/xm-osf.h,
286 config/i860/xm-i860.h, config/i960/xm-i960.h,
287 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
288 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
289 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
290 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
291 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
292 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
293 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
294 config/pj/xm-pj.h, config/romp/xm-romp.h,
295 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
296 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
297 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
298 config/v850/xm-v850.h, config/vax/xm-vax.h,
299 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
300 Do not define TRUE or FALSE.
302 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
303 empty by above change.
304 * config.gcc: Remove references to these files.
306 * configure.in: Detect stdbool.h.
307 * configure, config.in: Regenerate.
308 * system.h: Include stddef.h here if available.
309 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
310 Then set up a sensible boolean type at the very end.
312 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
313 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
315 * hash.h: Delete 'boolean' typedef and related #undefs.
317 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
318 all uses of 'boolean' with 'bool'.
320 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
322 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
323 * cppexp.c (lex): Cast enums for comparison.
324 * cppinit.c (parse_option): Cast enum for comparison.
325 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
326 (cpp_output_token): Likewise.
327 (cpp_can_paste): Cast enums for comparsion and plus/minus.
328 (cpp_avoid_paste): Cast enums for minus and comparison.
330 2001-03-01 Zack Weinberg <zackw@stanford.edu>
332 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
333 field to all array elements.
335 2001-03-01 Zack Weinberg <zackw@stanford.edu>
337 * cpphash.h (struct cpp_reader): Add print_version field.
338 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
339 just set print_version and other flags as appropriate.
340 (cpp_post_options): Print version here if print_version is set.
342 * toplev.c (exit_after_options): New flag.
343 (independent_decode_option): Don't exit here; just set
345 (main): Exit after calling lang_hooks.post_options if
346 exit_after_options is true.
348 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
349 (merge_include_chains): Adjust comment to match code.
351 2001-03-01 Zack Weinberg <zackw@stanford.edu>
353 * stringpool.c (set_identifier): New function.
354 * tree.h: Prototype it.
356 * c-parse.in: Kill D_YES. If compiled for objc, call
357 save_and_forget_protocol_qualifiers from init_reswords.
358 * objc/objc-act.c (remember_protocol_qualifiers,
359 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
360 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
362 (save_and_forget_protocol_qualifiers): New function.
363 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
365 2001-03-01 Diego Novillo <dnovillo@redhat.com>
367 * c-semantics.c (prune_unused_decls): Return error_mark_node
368 instead of (tree) 1 to stop traversing the tree chain.
370 2001-03-01 Bernd Schmidt <bernds@redhat.com>
372 Fix a problem introduced by Kenner's Feb 18 change.
373 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
374 flag_cse_skip_blocks only temporarily, not for ever.
376 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
378 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
379 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
381 * pa.c (emit_move_sequence): Verify operand0 is a hard register
382 before determining its register class.
384 2001-03-01 Bernd Schmidt <bernds@redhat.com>
386 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
387 from reg 4 if current_function_calls_setjmp.
388 (gen_nop_type): New function.
389 (ia64_emit_nops): New function.
390 (ia64_reorg): Call it.
391 (ia64_sched_reorder): Move code that rotates bundles up a bit.
393 * reload1.c (eliminate_regs_in_insn): Restrict the special case
394 code not to try to optimize adds with anything but a REG destination.
396 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
397 (INSN_PRIORITY_KNOWN): New accessor macro.
398 * haifa-sched.c (priority): Use it instead of testing priority against
401 2001-02-28 DJ Delorie <dj@redhat.com>
403 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
404 since that doesn't work the way gcc wants on a generic m68k.
406 2001-02-28 Richard Henderson <rth@redhat.com>
408 * caller-save.c (save_call_clobbered_regs): Fix typo in
409 comparison last change.
411 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
413 * i386.c (pentium4_cost): New.
414 (m_PENT4): New macro.
415 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
416 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
417 x86_integer_DFmode_moves, x86_partial_reg_dependency,
418 x86_memory_mismatch_stall): Add Pentium4
419 (x86_use_q_reg, x86_use_any_reg): Kill.
420 (override_options): Add pentium4.
421 (incdec_operand): Return 0 for pentium4.
422 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
423 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
424 (TARGET_PENTIUM4): Define.
425 (enum processor_type): Add PROCESSOR_PENTIUM4.
426 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
427 * i386.md (attribute "cpu"): Add pentium4.
428 * invoke.texi (march): Add pentium4.
430 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
432 * i386.md (sse_mov?fcc*): New patterns and splitters.
433 * i386.c (ix86_expand_movcc): Work post-reload; recognize
434 the SSE based conditional moves.
436 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
438 * i386.md (attribute mode): Add "TI".
439 (movsf_1): Add pxor support; remove constant propagation splitter.
440 (movdf_integer): Likewise.
441 (movdf_nointeger): Likewise.
442 (movxf constant prop splitter): Handle all modes; update for SSE.
443 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
444 * i386.c (standard_80387_constant_p): Rewrite.
445 (standard_sse_constant_p): New.
446 * i386-protos.h (standard_sse_constant_p): New.
448 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
450 * i386.md (sse_setccsf, sse_setccdf): New.
451 (sse_cmp* patterns): Use '%D' instead of outputtting condition
453 * i386.c (sse_comparison_operator): Accept the supported unordered
454 comparses; be ready for fast_math.
455 (print_operand): Support 'D'.
457 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
459 * jump.c (reversed_comparison_code): Kill.
461 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
463 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
466 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
468 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
469 add missing '%' in constraints.
471 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
473 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
474 for HOST_BITS_PER_WIDE_INT == 32 too.
476 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
478 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
480 (insert_save, insert_restore): New parameter save_mode.
481 (init_caller_save): Update initialization of reg_save_code
482 and reg_restore_code.
483 (save_call_clobbered_regs): Compute save_modes and update calls to
484 reg_save_code and reg_restore_code.
485 (insert_restore): Unsignetize numbers; use save_modes to choose mode
486 of spill; update use of reg_restore_code.
487 (insert_save): Likewise.
488 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
489 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
490 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
492 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
494 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
495 noce_try_store_flag_inc, noce_try_store_flag_mask,
496 noce_try_cmove_arith):
497 Use reversed_comparison_code instead of reverse_comparison and
498 can_reverse_comparison_p.
500 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
502 * jump.c (reversed_comparison_code_parts): Allow reversal of
503 unordered compares in -ffast-math mode; reverse ordered compares
504 for FP even w/o -ffast-math.
506 2001-02-27 Richard Henderson <rth@redhat.com>
508 * print-rtl.c (print_rtx) [i]: Don't print field five on
509 NOTEs other than NOTE_INSN_DELETED_LABEL.
511 2001-02-27 Zack Weinberg <zackw@stanford.edu>
513 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
514 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
516 2001-02-27 Diego Novillo <dnovillo@redhat.com>
518 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
519 even if walk_subtrees is 0.
520 * c-semantics.c (prune_unused_decls): Return a non-null value to
521 stop traversing the tree chain.
523 2001-02-27 DJ Delorie <dj@redhat.com>
525 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
526 register, *then* define it as the new CFA.
528 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
530 * pa.c (override_options): Promote -fpic to -fPIC.
531 (legitimize_pic_address): Simplify due to removal of
532 small PIC as a code generation option.
533 (secondary_reload_class): Similarly.
534 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
535 (PRINT_OPERAND_ADDRESS): Similarly.
536 * pa.md (various patterns): Similarly.
537 (small pic lo_sum pattern): Remove.
539 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
542 * md.texi (min, max): Document
544 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
546 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
547 TARGET_PARTIAL_REG_DEPENDENCY.
548 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
550 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
552 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
554 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
556 * mips.c (mips_make_temp_file): Fix thinko in last change.
558 2001-02-26 Jason Eckhardt <jle@redhat.com>
560 * combine.c (known_cond): Do not reverse the condition when
561 SMAX/UMAX is being considered and the condition is for equality
564 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
566 2001-02-26 Philip Blundell <philb@gnu.org>
568 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
570 * config/arm/linux-elf.h: Remove historical relics related to
571 above configurations.
572 * config/arm/linux-oldld.h: Delete.
573 * config/arm/linux-elf26.h: Delete.
575 2001-02-26 Jason Merrill <jason@redhat.com>
577 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
579 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
580 recognize a tentative definition. Lose obsolete code.
582 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
583 variables unless necessary, either.
585 2001-02-25 Richard Henderson <rth@redhat.com>
587 * ifcvt.c (struct noce_if_info): Add test_bb.
588 (noce_get_alt_condition): New.
589 (noce_try_minmax, noce_try_abs): New.
590 (noce_operand_ok): New.
591 (noce_process_if_block): Use them.
592 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
594 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
596 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
599 2001-02-25 Zack Weinberg <zackw@stanford.edu>
601 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
602 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
604 (mips_asm_file_end): Free temp_filename here.
606 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
608 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
609 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
611 * config/i386/i386.md (movstrsi): Handle FAIL case.
613 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
615 * cppinit.c (builtin_array): Update.
616 (init_builtins): Flag builtins to warn if redefined or
617 undefined. Define __GXX_WEAK as a normal macro.
618 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
619 * cpplib.h (NODE_WARN): New flag.
620 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
621 Handle __STDC__ as a builtin only on Solaris.
622 (warn_of_redefinition): Renamed from check_macro_definition.
623 Reverse sense of test. Always warn if NODE_WARN.
624 (_cpp_create_definition): Use warn_of_redefinition. Flag
625 any macro beginning with "__STDC_" to require a mandatory
626 warning if redefined or undefined.
628 2001-02-24 Zack Weinberg <zackw@stanford.edu>
630 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
631 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
632 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
633 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
634 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
635 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
637 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
638 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
639 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
640 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
641 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
643 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
644 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
647 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
648 Delete now-empty file.
650 * alpha/vms.h: Define NEED_ATEXIT here...
651 * alpha/xm-vms.h: ...not here.
653 * i386/cygwin.h: Don't define PARAMS.
654 * mips/mips.c: Don't prototype mktemp. Don't define
655 P_tmpdir. Use make_temp_file to create temporary files.
656 Don't be clever and delete temporary files early.
657 * config.gcc: Drop references to deleted files. Don't define
659 * gcc.texi: Don't mention USE_PROTOTYPES.
661 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
663 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
664 (ix86_set_move_mem_attrs_1): Likewise.
665 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
666 * config/i386/i386.md (movstrsi): Call it.
668 2001-02-24 Zack Weinberg <zackw@stanford.edu>
670 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
671 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
672 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
673 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
675 (i750a-*-*): Error here if hosting on i750a.
676 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
678 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
679 Remove (empty modulo comments).
681 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
682 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
683 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
684 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
685 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
686 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
688 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
689 Remove reference to winnt.h in comment.
690 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
692 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
694 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
695 used to set another biv.
697 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
699 * tree.h (BLOCK_DEAD): New macro.
700 (struct tree_block): New flag, dead_flag.
701 * print-tree.c (print_node, case 'b'): Print missing fields.
702 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
703 * function.c (identify_blocks): Enable test for misplaced notes.
704 (all_blocks): Skip BLOCK_DEAD blocks.
705 * integrate.c (integrate_decl_tree): Likewise.
707 * errors.c (internal_error, trim_filename): New functions.
708 (fancy_abort): Call internal_error.
709 * errors.h (internal_error, trim_filename): New declarations.
711 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
713 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
715 (EXTRA_CONSTRAINT): Formatting changes.
717 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
719 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
721 2001-02-23 Per Bothner <per@bothner.com>
723 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
724 so they can be called from java/jvspec.c.
725 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
727 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
729 * i386.c (ix86_frame): New structure.
730 (ix86_compute_frame_size): Kill.
731 (ix86_compute_frame_layout): New.
732 (ix86_save_reg): New.
733 (ix86_can_use_return_insn_p): Use frame layout stuff.
734 (ix86_expand_prologue): Likewise.
735 (ix86_expand_epilogue): Likewise.
736 (ix86_initial_elimination_offset): Likewise.
737 (ix86_nsaved_regs): Use ix86_save_reg.
738 (ix86_emit_save_regs): Likewise.
740 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
742 * flow.c (find_sub_basic_blocks): New function.
743 (split_block): Be ready for basic block introduced by CODE_LABEL.
744 (commit_one_edge_insertion): Call find_sub_basic_block.
746 * flow.c (make_edges): Add edge from entry for blocks starting with
747 label having ALTERNATE_NAME
749 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
751 * function.c (epilogue_done): Be ready for first basic block not
752 containing PROLOGUE_END note.
753 (reposition_prologue_and_epilogue_notes): Avoid placing
754 PROLOGUE_END note between BASIC_BLOCK.
756 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
758 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
760 2001-02-21 DJ Delorie <dj@redhat.com>
762 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
763 check for current_function_has_nonlocal_goto from 1999-11-12.
765 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
767 * diagnostic.c (trim_filename): No longer static.
768 * toplev.h (trim_filename): Declare.
769 * rtl.c (rtl_check_failed_bounds): Call internal_error.
770 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
771 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
772 (rtvec_check_failed_bounds): Likewise.
773 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
775 * convert.c (convert_to_integer): Don't do unsigned unless result or
776 both inputs are unsigned.
778 * fold-const.c (fold_convert): Don't call size_int_type_wide if
781 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
783 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
785 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
787 * Makefile.in (resource.o): Add params.h dependence.
788 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
789 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
790 * resource.c: Add dependence on params.h.
791 (current_live_regs): Fix explanatory comment.
792 (find_basic_block): Add new parameter to permit limiting search
794 (mark_target_live_regs): Add new argument to find_basic_block call.
795 (incr_ticks_for_insn): Likewise.
797 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
799 * diagnostic.c (output_to_stream): Rename to
800 output_buffer_to_stream. Loses the stream parameter.
801 (init_output_buffer): Set diagnosic_buffer's stream.
802 (flush_diagnostic_buffer): Adjust.
803 (default_print_error_function): Likewise.
804 (finish_diagnostic): Likewise.
805 (verbatim): Likewise.
807 * diagnostic.h (struct output_buffer): Add `stream' field.
808 (output_buffer_attached_stream): New macro.
810 2001-02-23 Jakub Jelinek <jakub@redhat.com>
812 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
813 check if either operand is divisible by C.
814 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
815 If type is signed, consider negative numbers as well.
817 2001-02-22 Richard Henderson <rth@redhat.com>
819 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
820 reach .text instead of gp-relative relocs.
821 * config/ia64/crtend.asm (.init): Likewise.
823 2001-02-22 Andreas Jaeger <aj@suse.de>
825 * extend.texi (C++ Attributes): Fix typo.
827 2001-02-21 David Mosberger <davidm@hpl.hp.com>
829 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
830 functions, drop current_function_args_info.words test.
831 (ia64_compute_frame_size): Mark syscall_linkage functions as
832 using eight input registers.
834 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
835 Bruce Korb <bkorb@gnu.org>
837 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
838 * fixinc/README: Document how to convert sed substitutions
839 to format style c_fix-es.
840 * fixinc/fixincl.x: regen
842 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
844 * gcc.c: Add comment explaining how to add a command-line option.
845 Add title to specs language comment.
847 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
849 * gcc.c (cc1_options): Add "-param".
850 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
851 (option_map): Likewise.
852 * toplev.c (display_help): Add entry for "--param".
853 (independent_decode_option): Fix typographical error.
855 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
856 Bernd Schmidt <bernds@redhat.com>
857 Jan Hubicka <jh@suse.cz>
859 * i386.c (function_arg_advance): Pass SSE arguments in registers.
860 (function_arg): Likewise.
862 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
864 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
866 2001-02-21 Kazu Hirata <kazu@hxi.com>
868 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
872 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
874 * flow.c (init_propagate_block_info): Canon address and use single_set
875 for killing dead memory stores.
877 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
879 * Makefile.in (reorg.o): Add params.h dependence.
880 * params.def: Fix typographical error in comment.
881 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
882 * params.h: Modify introductory comment.
883 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
884 * reorg.c: Add dependence on params.h.
885 (redundant_insn): Add parameterized throttle for search.
886 (fill_simple_delay_slots): Add a comment explaining a variable.
887 Move conditional out of loop, simplifying code.
888 (fill_eager_delay_slots): Fix typographical error in comment.
890 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
892 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
894 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
895 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
897 2001-02-21 Jason Merrill <jason@redhat.com>
899 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
900 (struct tree_decl): Add uninlinable bitfield.
901 * c-decl.c (duplicate_decls): Set it.
902 * integrate.c (function_cannot_inline_p): Check it.
904 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
905 DW_AT_MIPS_linkage_name to abstract methods.
906 (dwarf2out_abstract_function): Emit class context before calling
907 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
908 (gen_subprogram_die): Remove obsolete code.
909 (gen_member_die): Don't include clones in the member list.
910 (gen_decl_die): Emit abstract info for clone origin.
911 * dwarfout.c (output_type): Don't include clones in the member list.
912 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
913 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
914 DECL_ABSTRACT on a function that already has it set.
916 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
917 (get_subprogram_die): Pass it in.
919 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
921 * flow.c (mark_set_1): Make not_dead unsigned long. For
922 non-pseudos, use it as a bitmask of the hard regs that
925 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
927 * cppfiles.c: Update comments.
928 (_cpp_read_file): Don't check for NULL filenames any more.
929 * cppinit.c (cpp_start_read): Don't do canonicalization of
930 in_fname and out_fname. Use the passed file name exclusively.
931 (_cpp_handle_options): Don't treat "-" as a command line option,
932 but as a normal filename.
933 (_cpp_post_options): Canonicalize in_fname and out_fname.
934 * cppmain.c (printer_init): Don't check out_fname for NULL.
935 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
936 (init_c_lex): Update, and use "" to represent stdin to CPP.
939 2001-02-20 Will Cohen <wcohen@redhat.com>
941 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
942 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
943 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
946 2001-02-20 Stan Shebs <shebs@apple.com>
948 * config/rs6000/rs6000.c (output_cbranch): Output branches
949 on separate lines instead of using ';' to separate.
951 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
953 * cppinit.c (set_lang): Move builtin handling to...
954 (init_builtins): ...here.
955 (_cpp_create_reader): Move call to set_lang.
957 2001-02-20 Mark Mitchell <mark@codesourcery.com>
959 * stmt.c (expand_return): If an attempt is made to return the
960 error_mar_node, treat the return like a return without a value.
962 2001-02-19 Zack Weinberg <zackw@stanford.edu>
964 * sibcall.c (skip_copy_to_return_value): Call
965 identify_call_return_value here, and return orig_insn if it
966 returns zero. Hardret and softret arguments now unnecessary.
967 (call_ends_block_p): Don't call identify_call_return_value here.
969 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
971 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
972 * ggc.h (ggc_mark_if_gcable): Delete prototype.
974 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
976 * pa.c (move_operand): Accept code to load the address of a
977 symbol out of the DLT as a valid move operand.
978 (print_operand, case 'A'): New to handle generating a DLT
979 reference for a LO_SUM expression.
980 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
981 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
983 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
985 * README, cpp.texi, gcc.texi, version.c: Update version number to
987 * cpp.1, gcov.1, gcc.1: Regenerate.
989 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
991 * cppfiles.c (stack_include_file): Generate dependencies
992 here, and manage include_count here too.
993 (PRINT_THIS_DEP): Delete.
994 (_cpp_execute_include): Do not generate dependencies here,
995 apart from the case of a missing header. Do not manage
997 (_cpp_read_file): Leave dependency generation to
1000 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1002 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1003 target_cpu_default. Remove dead assignment to
1006 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1008 * regclass.c (contains_reg_of_mode): Make global.
1009 (init_reg_sets): Remove contains_reg_of_mode; take into account
1010 CLASS_MAX_NREGS when looking for the proper mode.
1011 (dump_regclass): Dump only classes considered for the pseudo.
1012 (regclass): Use contains_reg_of_mode.
1014 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1016 * gcc.c (do_spec_1): 'n' for printing notices.
1017 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1019 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1021 * reg-stack.c (next_flags_user): Use current_block->end
1022 (swap_rtx_condition): Look for next user if flags don't die;
1023 give up on CALL_INSNs; use current_block->end.
1025 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1027 * sibcall.c (call_ends_block_p): New function.
1028 (optimize_sibling_and_tail_recursive_call): Use it.
1030 2001-02-18 Kazu Hirata <kazu@hxi.com>
1032 * config/h8300/h8300.md: Update copyright.
1033 (andsi3): Do not output an extra newline character.
1035 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1037 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1038 FNDECL may be unused.
1040 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1041 follow jumps after first run.
1042 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1043 it doesn't change any jumps.
1045 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1047 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1048 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1049 (mostlyclean): Corresponding changes.
1050 * rtlanal.c (hard-reg-set.h): Include.
1051 (rtx_unstable_p): Do not treat the argument pointer specially
1052 if it is not a fixed register.
1053 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1055 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1057 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1058 against last real insn in basic block.
1059 Rework to avoid gotos.
1061 * Makefile.in (gcse.o): Now includes ggc.h.
1062 * gcse.c: Include ggc.h.
1063 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1064 (try_replace_reg): Remove warning of uninitialize variable.
1065 (process_insert_insn): Call invalid_insn_p to validate insn.
1066 * recog.c (insn_invalid_p): Now global.
1067 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1068 * recog.h (insn_invalid_p): New declaration.
1070 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1072 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1073 assignments from FP constants since 'Y' output code can't handle it.
1074 (eligible_for_sibcall_delay): Likewise.
1076 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1077 Call fancy_abort directly, passing args.
1078 (print_rtl_and_abort): Now a macro, like fancy_abort.
1080 * final.c (output_operand_lossage): Use internal_error, not error.
1082 2001-02-18 Shane Nay <shane@agendacomputing.com>
1084 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1085 structure shift insns.
1087 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1089 * invoke.texi (-fsquangle): Remove documentation.
1090 (-fname-mangling-version): Likewise.
1092 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1094 * optabs.c (expand_abs): Remove reference to
1095 HAVE_contitional_arithmetic.
1096 * combine.c (simplify_set): Likewise.
1098 2001-02-18 Richard Henderson <rth@redhat.com>
1100 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1103 2001-02-18 Richard Henderson <rth@redhat.com>
1105 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1107 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1109 * reload1.c (reload_cse_simplify_set): Fix typo.
1111 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1113 * diagnostic.c (_fatal_insn): Decrement errorcount.
1115 * invoke.texi (-I): Add note avoiding use for system header files.
1117 * rtl.h (add_clobbers): Remove duplicate declaration.
1118 * recog.h (added_clobbers_hard_reg_p): New declaration.
1119 * genemit.c (struct clobber_pat): New field has_hard_reg.
1120 (gen_insn): Record if added clobbers clobber hard reg.
1121 (gen_split): Avoid unused warning if number of operands is 0.
1122 (output_added_clobbers_hard_reg_p): New function.
1125 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1127 * pa.c (hppa_expand_prologue): Simplify code storing return
1128 pointer. For large (>=8k) frames with a post_store, adjust stack
1129 pointer by 8k-64 first rather than by 64. When testing with
1130 VAL_14_BITS_P, always use the actual value rather than the value
1131 negated. Add blockage to prevent scheduling of spills before
1132 stack frame has been created.
1133 (hppa_expand_epilogue): Simplify code loading return pointer.
1134 Allow a slightly larger range for merge_sp_adjust_with_load case.
1135 When testing with VAL_14_BITS_P, always use the actual value.
1137 * pa.c (pa_adjust_insn_length): Check that block move
1138 pattern is a set before looking at operands.
1140 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1142 * fold-const.c (fold_binary_op_with_conditional_arg): New
1143 function, split out from ...
1145 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1146 conditional arms that throw exceptions.
1148 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1151 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1153 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1154 define HAVE_DECL_* to 1 to mask potential backup declarations.
1155 * configure: Regenerated.
1157 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1159 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1161 2001-02-17 Richard Henderson <rth@redhat.com>
1163 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1164 when replacing a memory load with a register.
1166 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1167 Jan Hubicka <jh@suse.cz>
1169 * recog.c (validate_replace_src_1): New.
1170 (validate_replace_src_data): Likewise.
1171 (validate_replace_src): Use note_uses.
1172 * rtl.h (note_uses): Declare.
1173 * rtlanal.c (note_uses): New.
1175 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1177 * reg-stack.c (stack_def): Make field reg unsigned.
1178 (remove_regno_note): Unsignetize parameter.
1180 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1182 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1183 shladd_operand() call.
1185 2001-02-16 Bruce Korb <bkorb@gnu.org>
1186 Rodney Brown <RodneyBrown@mynd.com>
1188 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1189 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1190 machine restrictions
1191 * fixinc/fixincl.x: regen
1193 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1195 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1197 (hash_scan_insn): Clean up calls to hash_scan_set.
1198 (compute_kill_rd): REGNO now unsigned.
1199 (try_replace_reg): Rework to use simplify_replace_rtx.
1200 (cprop_jump, cprop_cc0_jump): Likewise.
1201 (cprop_insn): Call find_reg_equal_equiv_note.
1202 Reflect changes to cprop_jump and cprop_cc0_jump.
1204 * recog.c (validate_replace_src): Replace in operands of
1205 ZERO_EXTRACT in SET_DEST.
1207 * cse.c (new_label_ref): New variable.
1208 (insert): Set it instead of recorded_label_ref.
1209 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1210 CODE_LABEL for this function, and not already in REG_LABEL note.
1212 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1214 * resource.c (mark_referenced_resources): Fix typo in introductory
1216 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1219 2001-02-16 Jason Merrill <jason@redhat.com>
1221 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1223 (gen_subprogram_die): Don't abort on seeing a second definition if
1224 the previous one was abstract. Don't replace an abstract instance
1225 in the lookup table.
1227 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1228 gen_abstract_function.
1229 * dwarf2out.h: Declare it.
1230 * toplev.c (note_outlining_of_inline_function): New fn.
1231 * toplev.h: Declare it.
1232 * integrate.c (output_inline_function): Call it.
1233 * c-decl.c (duplicate_decls): Call it when redefining an extern
1234 inline. Don't inline the new defn.
1236 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1238 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1240 * .gdbinit: Rename to gdbinit.in.
1241 * gdbinit.in: New file,
1242 * configure.in: Generate .gdbinit from gdbinit.in.
1243 * configure: Regenerated.
1244 * Makefile.in (distclean): Always remove .gdbinit.
1246 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1248 * objc/objc-act.c (start_class): Register implemented_classes with
1251 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1253 * cppfiles.c (_cpp_make_system_header): Generate a file
1256 2001-02-15 Jim Meyering <meyering@lucent.com>
1258 * Makefile.in (install-common): Don't depend on installdirs here.
1259 Instead, make each of the lang.install-common targets (e.g.,
1260 c++.install-common in cp/Make-lang.in) depend on it.
1261 (install-driver): Depend on installdirs.
1263 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1265 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1267 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1270 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1272 * invoke.texi (--param): Document.
1274 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1276 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1278 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1280 * i386.md (extendsfdf2_2): Fix constraints.
1282 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1284 * i386.md (fop_df_3 splitter): Fix operand number.
1286 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1288 * invoke.texi (-mreg-alloc): Nuke.
1289 * i386.c (ix86_reg_alloc_order, regs_allocated,
1290 order_regs_for_local_alloc): Nuke.
1291 (override_options): Kill reg_alloc code.
1292 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1293 (REG_ALLOC_ORDER): SSE goes before I387.
1294 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1295 (ix86_reg_alloc_order): Likewise.
1296 * i386-protos.h (ix86_reg_alloc_order): Kill.
1298 2001-02-14 Richard Henderson <rth@redhat.com>
1300 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1302 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1304 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1306 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1308 * i386-protos.h (ix86_memory_move_cost): Move offline.
1309 * i386.c (ix86_register_move_cost): Compute properly cost of
1310 SSE, MMX and i387 instructions.
1311 (*_cost): Add costs of SSE/MMX moves.
1312 (ix86_memory_move_cost): Move offline from ....; Likewise.
1313 * i386.h (MEMORY_MOVE_COST): .... here;
1314 (struct processor costs): Add new fields to represent costs
1317 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1319 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1320 move_cost together with Matt Kraai's fix.
1322 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1324 * Makefile.in (OBJS): Add params.o.
1326 2001-02-14 Richard Henderson <rth@redhat.com>
1327 DJ Delorie <dj@redhat.com>
1329 * jump.c (jump_optimize_1): When we delete a conditional jump
1330 preceeding a non-conditional jump to effectively the same place,
1331 make sure that the combined jump skips any clobber insns between
1334 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1336 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1338 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1340 * Makefile.in (toplev.o): Depend on params.h.
1341 (intergate.o): Likewise.
1342 (params.o): New target.
1343 * flags.h (inline_max_insns): Remove.
1344 * integrate.c: Include params.h.
1345 Use MAX_INLINE_INSNS instead of inline_max_insns.
1346 * params.c: New file.
1347 * params.h: Likewise.
1348 * params.def: Likewise.
1349 * toplev.c: Include params.h.
1350 (lang_independent_params): New variable.
1351 (decode_f_option): Use the param machinery instead of setting
1353 (independent_decode_option): Handle "--param name=value".
1354 (main): Register language-independent parameters.
1356 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1358 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1360 2001-02-14 Richard Henderson <rth@redhat.com>
1362 * regclass.c (init_reg_sets_1): Revert last two changes.
1364 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1366 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1367 (variable_size): Call put_pending_size.
1368 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1369 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1370 sizes list, put newly created SAVE_EXPR there as well.
1372 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1374 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1375 (errata_find_address_regs): load_group has only 2 entries.
1376 (errata_emit_nops): Likewise. shladd is not problematic.
1377 Clear last_group if nop was emitted.
1378 (fixup_errata): load_group has only 2 entries.
1381 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1383 * c-lex.c (lex_number): Only warn traditionally for U suffix
1384 outside system macros.
1385 * cppexp.c (parse_number): Similarly.
1386 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1387 * cppmacro.c (struct cpp_macro): New member node.
1388 (parse_args): Only warn about missing rest args if not
1390 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1391 (cpp_sys_objmacro_p): New.
1392 (_cpp_create_definition): Store the node with the macro defn.
1393 Remember if the macro is defined in a system header.
1395 2001-02-13 DJ Delorie <dj@redhat.com>
1397 * configure.in (check_languages): determine languages to check
1398 * Makefile.in (check-c++): alias for check-g++
1399 (check-f77): alias for check-g77
1400 (CHECK_TARGETS): depend on configured languages
1402 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1404 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1405 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1406 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1407 (sqrtextendsfdf2): Disable for SSE2.
1409 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1411 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1412 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1413 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1414 (sqrtextendsfdf2): Disable for SSE2.
1416 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1418 * i386.md (movsfcc_1): Support integer cmove instruction.
1419 (movdfcc_1): Likewise; new splitter.
1421 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1423 * i386.c (output_fp_compare): Support SSE.
1424 (prepare_fp_compare_args): SSE comparisons always support memory.
1425 * i386.h (TARGET_CMOVE): SSE imply cmove.
1426 * i386.md (cmp?f2): Enable for SSE too.
1427 (cmpfp_i*): Support SSE.
1429 (cmpfp_i_sse_only): New.
1430 (s*, b* fp expanters): Enable for SSE too.
1431 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1434 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1436 * regclass.c (init_reg_sets_1): Silence warning.
1438 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1440 * i386.md (sqrt?f2): Change to expander.
1441 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1443 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1445 * rtlanal.c (find_reg_equal_equiv_note): New function.
1446 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1447 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1448 * rtl.h: Add declarations for above functions.
1450 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1452 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1454 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1455 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1456 * flow.c (mark_regs_live_at_end): Likewise.
1457 (calculate_global_regs_live): Likewise.
1458 * gcse.c (compute_hash_table): Likewise.
1459 (compute_kill_rd): Likewise.
1460 * resource.c (mark_target_live_regs): Likewise.
1461 * rtl.h (INVALID_REGNUM): New macro.
1463 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1465 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1467 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1469 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1472 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1474 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1476 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1477 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1478 (fop_sf_1_sse, fop_df_1_sse): New patterns
1479 (fop_*): Disable float_extend and float patterns for SSE compilation.
1480 * i386.c (output_387_binary_op): Support SSE.
1482 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1484 * i386.md (dummy_extendsfdf2): Support SSE2
1485 (extendsfdf2): Enable if 80387 or SSE2.
1486 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1487 and no MIX_I387_SSE2
1488 (extendsfdf2_1_sse_only): New pattern.
1489 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1491 (truncdfsf2_1): Support SSE.
1492 (truncdfsf2_2): Support SSE.
1493 (truncdfsf2_2_1_sse): New pattern.
1494 (fixtruncsfsi2): Always use SSE if available.
1495 (fix_truncsfsi_sse): New pattern.
1496 (fix_truncdfsi_sse): New pattern.
1497 (floatsis?f2): Support SSE.
1498 (floatsidf2_i387): New pattern.
1499 (floatsidf2_sse): Likewise.
1501 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1503 * configure.in: Use "have_gnat" variable, not "gnat".
1504 * configure: Regenerated.
1506 * config/sparc/sparc.c (function_value): Treat all non-record
1507 aggregate types like used to treat UNION_TYPE.
1509 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1511 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1512 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1514 (MASK_MIX_SSE_I387): New.
1515 (TARGET_SSE): SSE2 imply SSE.
1516 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1517 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1518 (enum reg_class): Add new classes.
1519 (REG_CLASS_NAMES): Likewise.
1520 (REG_CLASS_CONTENTS): Likewise.
1521 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1522 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1523 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1524 (CLASS_MAX_NREGS): Use new macros.
1525 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1526 * i386.md (pushsf, movsf): Support SSE.
1527 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1528 splitters to use ANY_FP_REGNO_P.
1529 (movdf_nointeger, movdf_integer): Likewise.
1531 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1533 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1534 (try_combine): Use it.
1536 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1538 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1539 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1540 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1541 (REGISTER_MOVE_COST): Likewise.
1542 * i386-protos.h (ix86_secondary_memory_needed,
1543 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1544 * i386.c (ix86_secondary_memory_needed,
1545 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1547 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1549 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1550 (HARD_REGNO_MODE_OK): Move offline to ....
1551 * i386.c (ix86_hard_regno_mode_ok) ... here;
1552 refuse all incorrect modes.
1553 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1555 2001-02-13 Richard Henderson <rth@redhat.com>
1557 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1558 entire operator; replicate that and match_dup the operands.
1559 (cmp_ccx_arith_op_set): Likewise.
1560 (cmp_cc_arith_op_not_set): Likewise.
1561 (cmp_ccx_arith_op_not_set): Likewise.
1563 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1565 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1567 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1569 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1570 (TARGET_NO_BITFIELD_WORD): New macro.
1571 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1572 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1574 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1576 * cselib.c: New file, from simplify-rtx.c.
1577 * simplify-rtx.c: Remove cselib parts.
1578 * Makefile.in: Add cselib.o.
1580 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1582 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1583 (setup_incoming_varargs): Remove warning.
1585 * config/rs6000/rs6000.c (validate_condition_mode): When
1586 flag_fast_math, allow floating-point conditionals to be reversed.
1587 (rs6000_generate_compare): When flag_fast_math, don't generate
1588 cror operations for FP conditionals.
1590 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1592 (ASM_SPEC): Likewise.
1593 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1594 (CC1_SPEC): Likewise.
1595 (LINK_TARGET_SPEC): Likewise.
1596 (CPP_ENDIAN_SPEC): Likewise.
1597 * Makefile.in (check-consistency): New target.
1599 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1601 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1602 "return type defaults" warning for functions with return type
1604 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1605 function declarations by default rather than only when pedantic.
1607 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1609 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1612 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1614 * extend.texi (Deprecated): Deprecate new initializer lists.
1616 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1618 * mkdeps.c (deps_add_default_target): Robustify. Add
1619 basename component only.
1620 * cpp.texi (-M): Describe how default target is generated.
1621 * invoke.texi (-M): Likewise.
1623 2001-02-12 Kazu Hirata <kazu@hxi.com>
1625 * toplev.c (push_float_handler): Remove.
1626 (pop_float_handler): Remove.
1627 * toplev.h: Remove prototypes for the above functions.
1629 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1631 * c-common.c (constant_fits_type_p): New function.
1632 (convert_and_check): Use it.
1634 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1636 * Makefile.in (GXX_ABI_FLAG): Don't define.
1637 * configure.in (--enable-new-gxx-abi): Remove option.
1638 * config.in: Regenerated.
1639 * configure: Likewise.
1641 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1643 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1645 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1646 regular basic block, and arrange for all edges into it to switch
1649 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1651 * Makefile.in (distclean): Do not remove .gdbinit.
1653 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1655 * Makefile.in (gcc.o): Fix typos.
1656 (protize.o): Likewise.
1657 (unprotoize.o): Likewise.
1659 2001-02-11 Richard Henderson <rth@redhat.com>
1661 * tree.c (build1): Check for null operand in last change.
1663 2001-02-11 Richard Henderson <rth@redhat.com>
1665 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1666 (fold): Don't assume a constant isn't foldable.
1667 * tree.c (build): Set TREE_CONSTANT for an expression with no
1668 side-effects and constant operands.
1671 2001-02-10 Richard Henderson <rth@redhat.com>
1673 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1675 2001-02-10 Anthony Green <green@redhat.com>
1677 * cpp.texi (Standard Predefined): Add documentation for
1680 * c-common.c (combine_strings): Improve warning message.
1682 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1684 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1686 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1688 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1690 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1693 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1695 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1698 2001-02-09 Nick Clifton <nickc@redhat.com>
1700 * config/arm/arm.md: Change output contraint on post inc
1701 load/store multiple patterns to be a read/write contraint.
1703 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1705 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1706 .o files when using the -M options.
1708 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1709 David Edelsohn <edelsohn@gnu.org>
1711 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1712 handle DImode constants. Use one TOC entry for SImode and smaller
1713 constants, aligned properly.
1715 2001-02-08 Jason Merrill <jason@redhat.com>
1717 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1718 about the SP adjustment for saving the static chain pointer.
1719 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1720 offset when setting a temporary CFA register.
1722 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1724 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1725 powerpc-*-chorusos* .
1726 * config/rs6000/chorus.h : New file.
1727 * config/i386/chorus.h : New file.
1728 * config/sparc/chorus.h : New file.
1729 * config/sparc/t-chorus-elf : New file.
1731 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1733 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1734 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1735 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1736 (__WCHAR_TYPE__): Correct macro name.
1738 2001-02-08 Richard Henderson <rth@redhat.com>
1740 * config/i386/i386.c (ix86_frame_pointer_required): New.
1741 (ix86_setup_frame_addresses): New.
1742 (struct machine_funciton): Add accesses_prev_frame.
1743 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1744 ix86_frame_pointer_required.
1745 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1746 (SETUP_FRAME_ADDRESSES): New.
1747 * config/i386/i386-protos.h: Update.
1748 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1749 from FRAME_POINTER_REQUIRED.
1750 * config/i386/svr3gas.h: Likewise.
1751 * config/i386/sysv3.h: Likewise.
1752 * config/i386/v3gas.h: Likewise.
1754 2001-02-08 Richard Henderson <rth@redhat.com>
1756 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1757 calculation of the number of integer registers required.
1758 (function_arg_record_value): Likewise.
1760 2001-02-08 Jason Merrill <jason@redhat.com>
1762 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1763 two. Print file and line with "confused" message.
1765 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1767 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1769 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1771 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1773 * final.c (cleanup_subreg_operands): The address of a MEM can
1776 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1779 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1781 * gcc.texi (Incompatibilities): Update documentation of
1782 preprocessing numbers.
1784 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1786 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1788 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1790 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1792 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1793 * gcc.c (struct compiler): Add cpp_spec field.
1794 (input_file_compiler): New variable.
1795 (do_spec_1): Allow a particular compiler to handle `%C'
1797 (main): Store the current compiler in input_file_compiler.
1798 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1800 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1802 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1803 * cppinit.c (cpp_create_reader): Initialize them.
1804 (append_include_chain): cxx_aware arg might be unused.
1805 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1806 keywords and give them their phase 7 meaning. Pedwarn about
1807 this unless '__bool_true_false_are_defined' is defined.
1809 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1811 * lcm.c (optimize_mode_switching): Emit mode_set before the
1812 JUMP_INSN of an abnormal edge.
1814 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1816 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1817 a scheduling barrier at the end.
1819 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1821 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1823 * config/sh/sh.md (reload_outsf): Removed.
1824 (movsf_ie): Introduce constraints for FPUL loads and stores.
1825 (reload_insf): Broaden the output constraint.
1827 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1829 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1830 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1832 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1834 * final.c: Revert my previous changes.
1835 * output.h: Make profile_label_no extern.
1836 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1837 for generating label.
1839 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1841 * config/i386/djgpp.h: Add comments about standard paths.
1842 (MD_EXEC_PREFIX): Undefine before defining.
1843 (MD_STARTFILE_PREFIX): New.
1845 2001-01-30 Bruce Korb <bkorb@gnu.org>
1847 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1848 (load_file): do not rely on load_file_data() to close file pointer
1849 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1850 fixinc/inclhack.def(irix_limits_const): add test_text
1852 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1854 * cppexp.c (parse_defined): Improve diagnostics for invalid
1857 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1859 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1861 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1863 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1864 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1865 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1866 (rs6000_output_symbol_ref): New function.
1867 (output_toc): Use VTABLE_NAME_P.
1869 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1871 * print-tree.c (print_node, case PARM_DECL):
1872 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1874 * stor-layout.c (reference_types_internal): New variable.
1875 (internal_reference_types): New function.
1876 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1877 * tree.h (internal_reference_types): New declaration.
1879 * cse.c (find_best_addr): Fix typo in computing cost.
1881 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1883 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1884 and this is the sum of a pointer and a constant, we know the result
1886 (num_sign_bit_copies, case PLUS): Likewise.
1887 * explow.c (convert_memory_address): Remove opposite SUBREG.
1888 * function.c (instantiate_new_reg): New function (from common code).
1889 (instantiate_virtual_regs_1): Call it.
1890 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1891 if pointers sign- or zero-extend.
1892 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1893 If pointers extend unsigned, use inside of SUBREG.
1894 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1896 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1898 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1899 subdir of gcc_gxx_include_dir.
1900 (gcc_gxx_target_include_dir): Remove.
1902 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1904 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1905 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1906 a high-level description.
1908 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1910 * final.c: Move the declaration of profile_label_no to ...
1911 * output.h: ... here.
1912 * function.c (expand_function_start): Call PROFILE_HOOK.
1913 * config/rs6000/aix.h: Define PROFILE_HOOK.
1914 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1915 * config/rs6000/rs6000.c (output_profile_hook): Define.
1916 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1917 output_profile_hook.
1918 tm.texi : Explain new macro PROFILE_HOOK.
1920 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1922 * extend.texi (Extended Asm): Do not say that semicolon is always
1923 a valid line-breaking character for GNU assemblers. Use
1924 newline-tab as the most commonly supported syntax. Use
1925 newline-tab rather than semicolon in multi-insn examples.
1927 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1929 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1931 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1932 David Edelsohn <edelsohn@gnu.org>
1934 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1935 code for AIX, even without flag_pic.
1937 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1939 * c-typeck.c (common_type): push and pop binding level around
1940 calling common_type on function parameters.
1942 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1944 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1946 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1948 * config/mips/mips.c (override_options): Fix typo in last change.
1949 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1950 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1952 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1954 * invoke.texi (-fdump-class-layout): Document.
1955 (-fdump-translation-unit): Use `=' as filename separator.
1957 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1959 * Makefile.in (s-mlib): Don't build multilibs if
1961 (DRIVER_DEFINES): Adjust accordingly.
1963 (protoize.o): Likewise.
1964 (unprotoize.o): Likewise.
1965 * configure.in: Recognize --enable-multilib.
1967 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1969 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1971 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1972 * configure.in: Remove --enable-libstdcxx_v3 support.
1973 * configure: Regenerated.
1975 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1977 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1978 Call abort instead of fatal.
1979 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1980 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1981 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1982 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1983 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1984 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1986 * diagnostic.h (set_internal_error_function): Renamed.
1987 * toplev.h (internal_error): Renamed from fatal.
1988 (pfatal_with_name): Deleted.
1989 (fatal_io_error): Now has printf-style arguments.
1990 * diagnostic.c (pfatal_with_name): Deleted.
1991 (fatal_io_error): Rework to have args in printf-style.
1992 (set_internal_error_function): Renamed from set_fatal_function.
1993 (internal_error): Renamed from fatal.
1994 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1995 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1996 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1997 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1998 * flow.c (verify_flow_info): Likewise.
1999 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2000 * config/mips/mips.c (save_restore_insns): Likewise.
2002 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2003 * flow.c (verify_flow_info): Likewise.
2004 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2005 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2006 (avr_normalize_condition): Likewise.
2007 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2008 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2009 (limit_reload_class, double_reg_to_memory): Likewise.
2010 (print_operand_address, emit_1600_code_shift): Likewise.
2011 (gen_tst_reg, gen_compare_reg): Likewise.
2012 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2013 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2015 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2017 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2018 * objc/objc-act.c (build_ivar_chain): Likewise.
2019 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2021 * graph.c (clean_graph_dump_file): Likewise.
2022 * profile.c (init_branch_prob): Likewise.
2023 * objc/objc-act.c (objc_init): Likewise.
2025 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2026 * config/avr/avr.c (avr_override_options): Likewise.
2027 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2028 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2029 * config/h8300/h8300.c (h8300_init_once): Likewise.
2030 * config/mips/mips.c (override_options): Likewise.
2031 * config/i386/i386.c (override_options): Likewise, rework.
2032 * config/m68k/m68k.c (override_options): Likewise.
2034 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2036 * config/mips/mips.c (print_operand): Likewise.
2037 * hash.c (hash_allocate): Don't check for failure returns from
2038 obstack functions that can't fail.
2039 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2040 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2041 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2042 (get_object_reference): Likewise.
2044 2001-02-04 Nick Clifton <nickc@redhat.com>
2046 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2047 StrongARM1110, 10TDMI, and 1020T.
2049 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2051 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2053 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2055 * config/sh/sh.md (movdf load split): Pass register number to
2056 FP_OR_XD_REGISTER_P.
2058 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2060 * cppinit.c (BC): New macro.
2061 (builtin_array): Add __GXX_WEAK__.
2062 * cpplib.h (builtin_type): Add BT_WEAK.
2063 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2064 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2065 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2067 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2069 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2071 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2073 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2074 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2076 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2078 * cpphash.h: Rename ALIGN _ALIGN.
2079 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2081 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2083 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2084 compilation environment.
2085 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2086 control over location of cygwin includes and libs.
2088 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2090 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2092 2001-02-02 lars brinkhoff <lars@nocrew.org>
2094 * md.texi (Standard Names): remove reference to spur.md.
2096 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2098 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2099 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2100 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2101 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2102 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2104 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2106 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2107 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2108 number before reload.
2109 (c4x_adjust_cost): Return zero before reload.
2110 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2111 split before reload.
2113 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2115 * c4x.c (c4x_hard_regno_rename_ok): New.
2116 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2117 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2119 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2121 * diagnostic.h: Add missing "extern" in all declarations.
2123 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2125 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2126 as for gcc_gxx_include_dir.
2128 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2130 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2132 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2134 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2135 label before alignment to be used as the braf base address.
2136 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2138 (casesi_jump_2): Require at least TARGET_SH2.
2140 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2141 truncation to 32-bit doubles on -m3e and -m4-single-only.
2143 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2145 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2146 the default when building a shared object.
2147 (init_spec): Use it.
2148 * testsuite/lib/g++.exp: Include the directory where libgcc
2149 is located to the LD_LIBRARY_PATH list.
2150 * invoke.texi (-shared-libgcc): Document the cases in which
2151 GCC defaults to using the shared libgcc.
2153 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2155 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2156 unsigned is wide enough.
2158 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2159 (si_to_float): Likewise.
2160 (float_to_si, float_to_usi): Use BITS_PER_SI.
2162 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2164 * dwarf2out.c: Added explanation of abbreviations.
2165 (def_cfa_1): Added comments listing DWARF2 instructions.
2166 (cfa_temp_reg): Removed in favor of cfa_temp.
2167 (cfa_temp_value): Removed in favor of cfa_temp.
2168 (cfa_temp): New global variable.
2169 (dwarf2out_frame_debug_expr): Added extensive introductory
2170 comments explaining the function's transformations. Revised to
2171 use cfa_temp. Added some rtx checking. Generalize IOR case.
2172 (dwarf2out_frame_debug): Revised to use cfa_temp.
2173 (output_aranges): Cast as "unsigned" to avoid warning.
2174 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2175 explain which instructions must be marked.
2177 2001-02-01 Richard Henderson <rth@redhat.com>
2179 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2182 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2184 * config/sh/crt1.asm (main_k): Modified so that start calls
2185 ___setup_argv_and_call_main.
2187 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2189 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2190 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2191 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2192 * cppmacro.c (builtin_macro): Set builtin flags here.
2193 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2194 (replace_args): Clarify intent.
2195 (cpp_get_token): Macro expansion tokens get the saved flags.
2197 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2200 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2202 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2205 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2207 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2208 returns Pmode pseudo, but we need ptr_mode.
2209 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2210 Remove bogus conversions; use HOST_WIDE_INT for size.
2211 Don't use TARGET if wrong mode.
2213 * config/i386/i386.c (ix86_compute_frame_size): Allow
2214 stack_alignment_needed to be non-default even if size is zero.
2216 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2218 * (hppa_init_pic_save): Emit the pic offset table
2219 reg save after last_parm_insn.
2220 * pa.c (hppa_init_pic_save): New function.
2221 * pa.h (hppa_init_pic_save): Declare.
2222 * pa.md (call, call_value, sibcall, sibcall_value): Use
2223 the above instead of duplicated code.
2225 * pa.c (hppa_encode_label): Correct size of alloca buffer
2226 so we don't overrun it. Correct leading `*' case.
2227 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2228 need to handle `*@'.
2229 (FUNCTION_NAME_P): Likewise.
2231 2001-01-31 Richard Henderson <rth@redhat.com>
2233 * config.gcc (alpha-osf5): Use float-i128.h.
2235 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2236 * config/float-i32.h: Likewise.
2237 * config/float-i64.h: Likewise.
2238 * config/float-sh.h: Likewise.
2239 * config/float-sparc.h: Likewise.
2241 2001-01-31 DJ Delorie <dj@redhat.com>
2243 * expmed.c (extract_bit_field): allow non-integral modes if we
2244 want to extract a whole register from itself.
2246 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2248 * c-typeck.c (set_init_index): If first is equal to last, assume as
2249 if it was not a range at all.
2251 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2253 * config/fp-bit.c: Include tm.h.
2254 (float_to_si): Don't assume SImode is 32-bits wide.
2255 (float_to_usi): Likewise.
2257 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2259 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2261 (typename): Call pending_xref_error after parsing typed_typespecs.
2262 * c-decl.c (lookup_tag): Give error immediately rather than
2263 leaving it pending if the tag of the wrong type is in the same
2265 (xref_tag): Don't pedwarn for forward declarations of enum types
2267 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2270 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2272 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2274 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2276 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2277 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2279 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2281 * cpphash.h (struct cpp_reader): New saved_flags.
2282 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2283 to avoid a paste after a pasted token.
2285 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2287 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2288 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2289 Wtype_MIN instead of LONG_MIN.
2291 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2293 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2295 * fixinc/fixincl.x: Regenerated.
2296 * fixinc/inclhack.def (irix_limits_const): New definition to
2297 convert "const" to "__const" in limits.h.
2299 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2301 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2303 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2305 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2306 when register dies in the insn.
2308 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2310 * diagnostic.c (fatal): Fix word wrap.
2312 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2314 * combine.c (try_combine): Fix SUBREG setting for
2315 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2317 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2319 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2322 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2324 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2326 * toplev.c (decode_W_option): Update warn_larger_than
2327 unconditionally for each processed switch.
2329 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2331 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2333 (hppa_expand_prologue): Delete code to save pic offset table register
2334 in the function prologue.
2335 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2336 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2337 table register at the beginning of the function after the prologue.
2339 2001-01-29 lars brinkhoff <lars@nocrew.org>
2341 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2343 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2344 Jeff Law <law@redhat.com>
2346 * pa.md (return): Revise comment for trivial return.
2347 (return_internal): Non-trivial return pattern for non-PIC code.
2348 (return_internal_pic): Non-trivial return pattern for PIC code.
2349 It uses the PIC register to ensure it is restored after
2351 (epilogue): Generate appropriate return for PIC and non-PIC code.
2353 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2355 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2357 2001-01-29 DJ Delorie <dj@redhat.com>
2359 * combine.c (if_then_else_cond): Pass the correct mode to
2360 operand_subword() for constants.
2362 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2364 * config/i386/cygwin.h: Add w32api to include search. Search different
2365 directories in a cross-build environment.
2367 2001-11-29 Tim Josling <tej@melbpc.org.au>
2369 * tree.h (TYPE_STUB_DECL): Add documentation.
2371 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2373 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2374 (sdbout_field_types): Likwise. Fix use of host_integerp.
2376 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2378 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2381 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2383 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2384 to use flag_gnu_linker.
2386 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2388 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2389 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2391 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2393 * tree.c, tree.h (build_parse_node): Remove; was identical to
2395 * c-lang.c (start_cdtor), objc/objc-act.c
2396 (build_module_descriptor): Use build_nt instead of
2399 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2401 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2402 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2403 not have any upper bits set.
2405 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2407 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2409 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2411 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2413 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2415 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2416 (integer_minus_one_node): Define.
2418 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2420 * Makefile.in (bootstrap2-lean): Fix typo.
2422 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2424 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2425 : Don't set fe_value.
2426 * cpplib.h (AVOID_LPASTE): New flag.
2427 (struct cpp_hashnode): Remove fe_value.
2428 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2429 * cppmacro.c (builtin_macro): Don't set flags here.
2430 (replace_args): Set AVOID_LPASTE flag on first token of an
2431 argument, and the token following it.
2432 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2433 macro expansion, and on the token following it. Do it for
2435 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2437 2001-01-27 Richard Henderson <rth@redhat.com>
2439 * config/alpha/t-ieee: Remove multilibbing.
2440 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2442 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2444 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2446 * Makefile.in: Remove all dependencies on defaults.h.
2447 * builtins.c: Don't include defaults.h.
2448 * c-common.c: Likewise.
2449 * c-decl.c: Likewise.
2450 * c-pragma.c: Likewise.
2451 * c-typeck.c: Likewise.
2452 * combine.c: Likewise.
2454 * frame-ia64.c: Likewise.
2455 * cppexp.c: Likewise.
2456 * crtstuff.c: Likewise.
2457 * dbxout.c: Likewise.
2458 * dwarf2out.c: Likewise.
2459 * dwarfout.c: Likewise.
2460 * emit-rtl.c: Likewise.
2461 * except.c: Likewise.
2463 * final.c: Likewise.
2464 * frame-dwarf2.c: Likewise.
2465 * libgcc2.c: Likewise.
2466 * optabs.c: Likewise.
2467 * profile.c: Likewise.
2468 * sdbout.c: Likewise.
2469 * toplev.c: Likewise.
2470 * tradcif.y: Likewise.
2472 * varasm.c: Likewise.
2474 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2476 * builtins.c (expand_builtin_fputs): Use size_one_node when
2477 transforming into fwrite.
2479 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2481 * extend.texi (Attribute Syntax): New section.
2483 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2485 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2486 they didn't need fixing.
2488 2001-01-27 Janis Johnson <janis@us.ibm.com>
2490 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2492 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2493 to remove macro definitions that are duplicated from elfos.h.
2495 2001-01-27 Richard Henderson <rth@redhat.com>
2497 * config/i386/sco5gas.h: Move ...
2498 * config/usegas.h: ... here.
2499 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2501 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2503 * c-typeck.c (struct constructor_stack): Add range_stack member.
2504 (really_start_incremental_init): Clear it.
2505 (push_init_level): Save constructor_range_stack and clear it if
2506 pushing explicit braces.
2507 (pop_init_level): abort if constructor_range_stack is non-zero at
2508 explicit closing brace. Restore saved constructor_range_stack if
2511 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2513 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2514 into register was forced into memory.
2516 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2518 * Makefile.in: Remove uses of + before $(MAKE).
2520 2001-01-26 Richard Henderson <rth@redhat.com>
2522 * stmt.c (cost_table): Remove.
2523 (COST_TABLE, cost_table_initialized): New.
2524 (estimate_case_costs): Use the later instead of the former.
2525 (balance_case_nodes): Likewise.
2527 2001-01-26 Richard Henderson <rth@redhat.com>
2529 * alias.c (objects_must_conflict_p): Read-only slots may not
2530 conflict despite having the same type.
2532 2001-01-27 Michael Hayes <mhayes@redhat.com>
2534 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2536 (check_ext_dependant_givs): Initialise u_start_val and
2538 (load_mems): Make last_max_reg unsigned.
2539 (try_swap_copy_prop): Use INSN_P and initialise set.
2541 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2543 * README.AVR : Removed.
2545 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2547 * pa-64.h (text_section): Remove declaration.
2549 * pa.md (return_internal): Remove mode on PIC register use.
2551 2001-01-25 lars brinkhoff <lars@nocrew.org>
2553 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2554 ASM_CLOSE_PAREN): fix typos.
2556 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2558 * acconfig.h: Define `const' to the empty string if neither
2559 __STDC__ nor __cplusplus is defined.
2560 * config.in: Regenerated.
2562 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2564 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2565 * collect2.c (main): Delete importf. Add ".obj" file extension.
2566 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2567 (aix_std_libs): Add additional AIX libraries to skip.
2568 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2569 * config/rs6000/aix51.h: New file.
2571 2001-01-25 Michael Hayes <mhayes@redhat.com>
2573 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2574 (loop_insn_emit_before): No longer static.
2575 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2576 (loop_givs_rescan, load_mems): Likewise.
2577 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2578 (maybe_eliminate_biv_1):
2579 (move_movables): Replace emit_call_insn_before with
2580 loop_call_insn_hoist.
2581 * loop.h (loop_insn_emit_before): Add.
2582 * unroll.c (copy_loop_body): Replace emit_insn_before with
2583 loop_insn_emit_before.
2585 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2587 * diagnostic.c (fatal): Request preprocessed source.
2589 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2591 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2592 olddecl has argument types and newdecl has none, use the argument
2595 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2597 * dwarf2out.c (prefix_of): New function. Determine longest common
2598 prefix of the two arguments. The units are whole path components.
2599 (output_file_names): When adding a new directory find the one entry
2600 with the longest common prefix already in the list. Artificially
2601 generate entry if there is none for this prefix.
2602 Fix test to check whether the zeroth directory entry is used.
2604 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2606 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2607 Changed all callers. Take it into account when deciding if a
2608 previously loaded value matches.
2610 2001-01-24 Richard Henderson <rth@redhat.com>
2612 * reload.c (find_reloads_subreg_address): Fail the substitution
2613 if the resulting address is insufficiently aligned.
2615 2001-01-24 DJ Delorie <dj@redhat.com>
2617 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2618 check the original operand's mode also.
2619 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2621 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2623 * c-parse.in (cast_expr): Move compound literals from here ...
2624 (primary): ... to here. Use standard terminology "compound
2625 literal" instead of "constructor expression".
2627 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2629 * gcc.1, cpp.1: Regenerate.
2631 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2633 * calls.c (emit_library_call_value_1): Memory slot for
2634 pass-by-reference argument should have the mode of the argument,
2635 not of the pointer to it.
2637 2001-01-24 Tom Tromey <tromey@redhat.com>
2639 * gcc.texi (G++ and GCC): Mention gcj manual.
2640 (Standards): Link to section of manual mentioning gcj/Java
2643 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2645 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2646 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2647 * tradcpp.c (main): Add -imacros or -include'd dependencies
2649 * cpp.texi (-M, -MM): Document -M -include behaviour.
2651 2001-01-24 Roger Collins <roger@ProProject.com>
2653 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2655 2001-01-24 Will Cohen <wcohen@redhat.com>
2657 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2658 whether registers are 32 bits or 64 bits in size.
2660 2001-01-24 Ben Elliston <bje@redhat.com>
2662 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2664 2001-01-24 Richard Henderson <rth@redhat.com>
2666 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2667 (builtin_longjmp): Use it instead of emit_indirect_jump.
2669 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2671 * bb-reorder.c (make_reorder_chain_1): Handle case where
2672 jump edge goes to the same block as the fallthru edge.
2674 2001-01-23 Jim Wilson <wilson@redhat.com>
2676 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2677 * frame.h (__ia64_personality_v1): Add prototype.
2678 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2679 prototype form. Add void * cast to first argument to personality
2681 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2682 (asctoe113): Likewise.
2683 * config/ia64/frame-ia64.c: Include eh-common.h.
2684 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2686 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2688 (itanium_split_issue): Add prototype.
2689 (gen_nop_type): Ifdef out.
2690 (find_best_packet): Initialize best_packet.
2691 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2693 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2694 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2695 (flushrs): Add explicit stop bit at end.
2696 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2699 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2701 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2703 * libgcc2.c (__terminate_func): Make variable static.
2704 (__terminate_set_func): New function to set __terminate_func.
2705 * libgcc2.h (__terminate_func_ptr): New typedef.
2706 (__terminate_set_func): New function.
2708 2001-01-23 Richard Henderson <rth@redhat.com>
2710 * flow.c (init_propagate_block_info): Don't consider unchanging
2711 memories for dead frame store elimination.
2713 2001-01-23 Richard Henderson <rth@redhat.com>
2715 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2716 * defaults.h: ... here.
2718 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2720 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2722 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2724 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2726 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2728 * rs6000.h (rs6000_return_addr): Move prototype from here...
2729 * rs6000-protos.h (rs6000_return_addr): ...to here.
2730 (rs6000_init_expanders): Delete prototype.
2732 2001-01-23 Nick Clifton <nickc@redhat.com>
2734 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2735 (Spec Files): Document %B and %j and %. and %v3 and %M and
2736 %{S*&T} spec switches.
2738 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2740 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2742 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2743 Neil Booth <neil@daikokuya.demon.co.uk>
2745 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2746 Have -Werror make pedantic warnings errors, like the
2749 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2751 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2753 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2755 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2756 * integrate.c (expand_inline_function): Initialize them.
2757 (subst_constants): If changing COMPARE so that both its arguments
2758 will be VOIDmode and the comparison mode will be lost, note
2759 compare_mode. Use the recorded compare_mode to optimize
2762 2001-01-23 Jason Merrill <jason@redhat.com>
2764 * dwarf2out.c (new_die): Use xcalloc.
2765 (output_die): Abort rather than emit a local reference to offset 0.
2767 2001-01-17 Andrew Haley <aph@redhat.com>
2769 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2770 of a saved register; return NULL instead.
2771 (copy_reg): Take a pointer to a source register rather than a
2773 (next_stack_level): Remember the address in the stack frame of all
2775 Use the saved register pointer array as the source of the CFA.
2776 (throw_helper): Rewrite. Unwind once rather than twice and keep
2777 track of saved registers as we go.
2779 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2781 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2782 * c4x.c (c4x_legitimize_reload_address): Remove.
2783 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2784 reload address for ldp(k) insn.
2786 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2788 * pa.md (return_internal): Add a USE of the PIC register to ensure
2789 it is restored after each call.
2790 (return expander): Corresponding changes.
2792 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2794 * rs6000.h (INIT_EXPANDERS): Delete.
2795 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2796 * rs6000.c (rs6000_override_options): Call *_machine_status from
2798 (rs6000_init_expanders): ...instead of here. Delete.
2799 (rs6000_mark_machine_status): New function.
2800 (rs6000_init_machine_status): Use xcalloc.
2801 (rs6000_return_addr): Generate RTX for the return address.
2802 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2803 (rs6000_stack_info): Use it.
2805 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2807 * gthr-win32.h: Include errno.h to get a declaration for
2808 EINVAL and _mingw.h if the target is mingw32.
2810 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2812 * cpp.texi: Correct typos.
2814 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2816 * explow.c (probe_stack_range): Ensure value passed to
2817 stack_check_libfunc is ptr_mode, not Pmode.
2819 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2821 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2822 case, don't use operand_subword to calculate a SUBREG that is
2825 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2827 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2829 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2830 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2831 valid. If not replace it by equivalent insns.
2833 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2835 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2836 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2837 (c4x_U_constraint, symbolic_address_operand): Likewise.
2838 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2840 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2841 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2842 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2843 anulling slot because of silicon bug.
2844 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2846 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2848 * cppexp.c (parse_charconst): Change `mask' type to agree
2851 2001-01-21 Richard Henderson <rth@redhat.com>
2853 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2854 pic_label_name in a linkonce section.
2856 2001-01-17 Philipp Thomas <pthomas@suse.de>
2858 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2860 * configure: Regenerate.
2862 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2864 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2865 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2867 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2869 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2870 If REVERSE nonzero then condition code in X must be reversed.
2871 (encode_section_info): Optimise if/else.
2872 (avr_function_value): Fix formatting.
2874 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2875 (difficult_branch): Likewise.
2876 (rvbranch): Likewise.
2877 (difficult_rvbranch): Likewise.
2879 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2881 * config/avr/libgcc.S: Fix comment.
2883 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2885 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2887 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2889 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2891 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2893 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2894 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2895 * configure, config.in: Regenerate.
2896 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2897 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2898 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2899 (doprint.o): New rule.
2901 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2903 * c-typeck.c (digest_init): Handle boolean types as scalars.
2905 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2907 * stmt.c (expand_return): Don't return anything if size is zero.
2908 Delete redundant assignment to BYTES.
2909 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2911 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2913 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2914 the same as the default library function names.
2915 * config/avr/avr.md: Document special characters after '%'.
2916 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2917 knowing which of the call-used registers are really clobbered.
2918 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2919 New. Both quotient and remainder from one libgcc.S call.
2920 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2921 clobber as few registers as possible.
2922 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2924 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2926 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2927 context of the top of the stack.
2929 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2931 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2932 (fixup_var_refs_insns): ...here.
2934 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2936 * function.c (fixup_var_refs_insns): Break up into
2937 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2938 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2939 [loop over hash table entries].
2940 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2941 fixup_var_refs_insns_with_hash, to match above changes.
2943 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2945 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2946 (libgcc.a): Likewise.
2947 (stmp-multilib): Likewise.
2948 (STAGE2_FLAGS_TO_PASS): Likewise.
2950 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2952 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2953 temporary if no_new_pseudos.
2955 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2957 * cppinternals.texi: Update.
2959 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2961 * arm.c (arm_init_builtins): Re-enable builtins.
2963 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2965 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2966 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2967 element to be null, and always expect an EXPR_LIST.
2968 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2969 * sched-deps.c (sched_analyze_1): Likewise.
2970 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2972 * regclass.c (max_set_parallel): New variable.
2973 (reg_scan): Take it into account in computation of max_parallel.
2974 (reg_scan_mark_refs, case SET): Compute it.
2976 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2978 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2979 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2981 2001-01-19 Jason Merrill <jason@redhat.com>
2983 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2984 for the abstract instance of an inline function.
2986 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2987 J"orn Rennecke <amylaar@redhat.com>
2989 * reload1.c (move2add_note_store): Treat all registers directly or
2990 indirectly derived from a base register as members of the same set
2992 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2993 of base register into account.
2995 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2997 * alias.c (find_base_value): Recognize TRUNCATE.
2998 (record_set): In PLUS case, invalidate if other summand is also a
3001 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3003 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3004 entry to be EXPR_LIST.
3005 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3006 be an EXPR_LIST (but not null, which other code doesn't allow).
3007 (note_stores): Properly handle PARALLEL in SET.
3008 Recursively call for top-level PARALLEL.
3009 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3010 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3012 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3014 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3016 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3017 not pfile->skipping (== 0).
3019 2001-01-17 Nick Clifton <nickc@redhat.com>
3021 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3024 2001-01-17 Jim Wilson <wilson@redhat.com>
3026 * invoke.texi (IA-64 options): Improve.
3028 2001-01-17 Tom Tromey <tromey@redhat.com>
3030 * invoke.texi (Optimize Options): Use `{}' to around @samp
3033 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3035 * invoke.texi (-fno-guess-branch-probability): New option.
3037 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3039 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3040 case of making new double-word constant.
3041 Revert last change: instead just test i3_subst_into_i2.
3043 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3045 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3046 Use q constraints instead of r.
3048 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3050 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3051 (machine_function): Define.
3052 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3053 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3054 pa_free_machine_status): New functions.
3055 (override_options): Set {init,mark,free}_machine_status to above.
3056 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3057 PIC_OFFSET_TABLE_REGNUM_SAVED.
3058 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3059 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3060 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3061 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3062 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3064 2001-01-15 DJ Delorie <dj@redhat.com>
3066 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3070 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3072 * flow.c (propagate_on_insn): Make trying to delete a prologue
3073 or epilogue insn an ICE, not a warning. Allow doing this if
3074 the current function returns with stack pointer depressed.
3076 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3077 I3 having more than one SET.
3079 2001-01-16 Jim Wilson <wilson@redhat.com>
3081 * invoke.texi: Document IA-64 options.
3083 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3084 (fixup_errata): Delete TARGET_A_STEP use.
3085 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3086 (TARGET_SWITCHES): Delete -ma-step option.
3087 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3088 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3089 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3090 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3091 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3092 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3094 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3095 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3096 cmovsi_internal): Delete ! TARGET_A_STEP check.
3098 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3100 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3101 possibility to report bugs via postal mail. Change a URL and
3102 merge in a nearly duplicate statement...
3103 (Bug Reporting): ...from here.
3104 (Service): Refer to the Bug Reporting section instead of
3106 (Contributing): Remove trivial explanations concerning snapshots.
3108 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3110 * cppmain.c (general_init): Don't use ANSI prototype.
3112 2001-01-16 Tom Tromey <tromey@redhat.com>
3114 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3116 2001-01-16 Richard Henderson <rth@redhat.com>
3118 * config/i386/i386.h: Fix comment typo.
3119 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3120 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3122 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3124 * gcc.c: Revert previous -fsyntax-only-related change; move
3127 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3129 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3130 inmode after checking GET_CODE (op).
3132 2001-01-16 Richard Henderson <rth@redhat.com>
3134 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3135 (MAX_MEM_SET_LIST_LEN): New.
3136 (propagate_one_insn): Update mem_set_list_len.
3137 (invalidate_mems_from_autoinc): Likewise.
3138 (invalidate_mems_from_set): Likewise.
3139 (mark_used_regs): Likewise.
3140 (init_propagate_block_info): Likewise. Stop collecting memories
3141 when we reach MAX_MEM_SET_LIST_LEN.
3142 (mark_set_1): Likewise.
3144 2001-01-16 Richard Henderson <rth@redhat.com>
3146 * unroll.c (precondition_loop_p): Fail if no iteration
3149 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3151 * gcc.c: When -fsyntax-only is given, do not complain about
3154 2001-01-15 Richard Henderson <rth@redhat.com>
3156 * config/i386/i386.c (asm_output_function_prefix): Remove.
3157 (ix86_asm_file_end): New.
3158 (load_pic_register): Generate pic_label_name into a
3159 staticly allocated buffer.
3160 * config/i386/i386-protos.h: Update.
3161 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3162 (ASM_FILE_END): New.
3163 * config/i386/i386afe.h: New file.
3164 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3165 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3166 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3167 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3168 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3169 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3170 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3172 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3174 * Makefile.in (install-man): Remove explicit dependency on
3177 * configure.in, configure: Revert previous patch requiring perl
3180 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3182 * toplev.c (flag_guess_branch_prob): New.
3183 (f_options): Add guess-branch-probability option.
3184 (rest_of_decl_compilation): Only estimate branch probability if
3186 (main): set flag_guess_branch_prob.
3188 * flags.h (flag_guess_branch_prob): New.
3190 2001-01-15 DJ Delorie <dj@redhat.com>
3192 * gcc.texi (Makefile): Add documentation for Makefile targets.
3194 2001-01-15 Philip Blundell <philb@gnu.org>
3196 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3198 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3199 (is_pic): Delete declaration.
3200 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3201 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3202 * config/arm/arm.md (builtin_setjmp_receiver): New.
3204 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3206 * arm.c (use_return_insn): Don't try to determine the function type
3207 until after reload has completed.
3208 (arm_output_epilogue): Don't adjust the sp value recovered from the
3210 (emit_multi_reg_push): Don't record dwarf information for the pc.
3211 * arm.md (eh_epilogue): The function type may have changed, so it
3212 needs to be recalculated.
3213 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3214 unwind tables on arm/netbsd.
3216 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3218 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3219 (negated_cbranchsi4): Likewise.
3221 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3223 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3224 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3225 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3226 pass -mapcs-* options to assembler.
3227 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3228 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3229 (ASM_SPEC): Call subtarget_extra_asm_spec.
3231 2001-01-15 Andreas Jaeger <aj@suse.de>
3233 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3235 (ix86_expand_builtin): Likewise.
3237 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3238 warning about comparison between signed and unsigned.
3240 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3242 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3244 2001-01-14 Ralf Baechle <ralf@gnu.org>
3246 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3247 SUBTARGET_CPP_SPEC apropriatly.
3249 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3251 * varasm.c (make_decl_rtl): Fix typo in last change.
3253 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3255 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3256 linker supports the init_priority C++ attribute.
3257 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3258 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3259 linker does not support init_priority C++ attribute.
3261 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3263 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3265 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3267 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3268 * cp/lex.c (finish_parse): Similarly.
3269 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3270 Return the number of errors encountered.
3271 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3272 * cppmain.c (main): Don't call cpp_destroy.
3274 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3276 * configure.in: Require at least perl 5.6.0 to regenerate
3278 * configure: Regenerate.
3280 2001-01-14 Richard Henderson <rth@redhat.com>
3282 * genrecog.c (DT_veclen_ge): New.
3283 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3284 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3285 (nodes_identical_1): Handle DT_veclen_ge.
3286 (write_cond, debug_decision_2): Likewise.
3288 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3290 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3292 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3294 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3296 * cppmain.c (do_preprocessing): New function; most of the old
3298 (main): Call it to do most of the work.
3299 (cb): Move from global scope to set_callbacks ().
3300 (setup_callbacks): Get the callback pointer.
3301 (general_init, printer_init): Clean up code and comments.
3303 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3305 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3308 2001-01-14 Kazu Hirata <kazu@hxi.com>
3310 * config/h8300/h8300.c (get_shift_alg): Update comments.
3312 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3314 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3315 (alloc_page, ggc_alloc): Add casts to remove warnings.
3317 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3319 * combine.c (simplify_comparison): Don't change `code' when
3320 can't reverse comparison.
3322 2001-01-14 Richard Henderson <rth@redhat.com>
3324 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3325 update all call sites. Return true for all non-label constants.
3327 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3329 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3331 (ix86_expand_branch): Update.
3332 (ix86_expand_setcc): Update to handle multiple test conditions.
3333 (expand_int_movcc): Likewise.
3334 (expand_fp_movcc): Likewise.
3335 * i386-protos.h (ix86_expand_compare): New.
3336 * i386.md (andqi_?_slp, orqi_?_slp): New.
3337 (conditional trap expander): Update call to ix86_expand_compare.
3339 2001-01-14 Richard Henderson <rth@redhat.com>
3341 * config/vax/vax.md: Use nonimmediate_operand instead of
3342 general_operand in destinations.
3344 * config/vax/vax.md (indirect_jump): Use register_operand.
3346 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3347 * config/vax/vax.md (call_pop): Turn into an expander.
3348 (call_value_pop): Likewise.
3349 (call, call_value): New.
3351 2001-01-14 Andreas Jaeger <aj@suse.de>
3353 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3355 (ix86_fp_compare_mode): Add unused attribute.
3356 (ix86_expand_fp_movcc): Remove unused variable.
3357 (ix86_expand_builtin): Make fcode unsigned.
3359 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3360 (expand_expr): Add cast to avoid signed warning.
3361 (store_field): Likewise.
3362 (store_constructor_field): Likewise.
3363 (store_constructor): Likewise.
3364 (store_expr): Likewise.
3365 (clear_storage): Likewise.
3366 (emit_group_store): Likewise.
3367 (emit_group_load): Likewise.
3369 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3371 * c-common.c: Move format checking code to ...
3372 * c-format.c: ... here. New file. Reorder some functions and
3374 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3376 * c-common.h (decl_handle_format_attribute,
3377 decl_handle_format_arg_attribute): Declare.
3378 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3379 (c-common.o): Adjust dependencies.
3380 (c-format.o): New list of dependencies.
3382 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3384 * unroll.c (loop_iterations): If we cannot prove iteration variable
3385 is set once in each iteration, punt.
3387 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3389 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3390 (*strlenhi): Remove clobber (which was buggy) of output address.
3392 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3394 * Makefile.in (generated-manpages): Add gcc.1
3395 ($(srcdir)/gcc.1): New target.
3396 (maintainer-clean): Delete $(srcdir)/gcc.1.
3397 * gcc.texi: Add macros @gccoptlist and @gol.
3398 * invoke.texi: Include option summary in manpage. Mark up option
3399 summary with @gccoptlist and @gol. Use @r in one place where
3401 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3402 * gcc.1: Generate from invoke.texi.
3404 2001-01-13 Richard Henderson <rth@redhat.com>
3406 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3407 (struct page_entry): Add group member.
3408 (struct page_group): New.
3409 (struct globals): Add page_groups member.
3410 (alloc_anon): Only define for using mmap; remove valloc call.
3411 (page_group_index): New.
3412 (set_page_group_in_use): New.
3413 (clear_page_group_in_use): New.
3414 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3415 (free_page, release_pages): Likewise.
3416 * configure.in (with-gc): Default to ggc-page always.
3418 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3420 * reload1.c (replace_pseudos_in_call_usage): Use
3421 reg_equiv_constant and reg_equiv_address, and don't try
3422 regno_reg_rtx first.
3424 2001-01-13 Richard Henderson <rth@redhat.com>
3426 * ggc-page.c (alloc_page): Round up allocation size to one page.
3427 Set e->order on extra pages.
3429 2001-01-13 Richard Henderson <rth@redhat.com>
3431 * genrecog.c (nodes_identical): Expand commentary.
3432 (write_switch): Watch out for identical nodes.
3434 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3436 * cppfiles.c (_cpp_fake_include): New function.
3437 * cpphash.h (_cpp_fake_include): New.
3438 * cpplib.c (do_line): Call _cpp_fake_include when entering
3439 header files in preprocessed input.
3440 * cppmain.c (cb_pragma_implementation): Remove handling.
3441 (setup_callbacks): Don't register pragmas.
3443 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3445 * extend.texi: Udate for CPP.
3447 2001-01-13 Andreas Jaeger <aj@suse.de>
3449 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3451 * regmove.c: Add prototype for replace_in_call_usage.
3453 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3455 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3456 struct cpp_chunk, struct htab, struct toklist,
3457 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3458 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3459 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3460 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3461 (struct macro_args): Delete.
3462 * cpphash.h: See above.
3464 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3466 * cppmain.c (struct printer): Remove no_line_dirs.
3468 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3469 : Use options rather than CPP_OPTION.
3470 (setup_callbacks): Use cb rather than pfile->cb.
3471 (main): No need to check for a buffer. Use cpp_errors.
3472 (printer_init): Don't set no_line_dirs.
3473 (maybe_print_line): Use options not no_line_dirs.
3474 (cb_file_change): Don't call print_line if -P.
3476 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3478 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3480 * c-parse.in (finish_parse): Use cpp_errors.
3481 (__yylex): Use return value of cpp_pop_buffer.
3482 * cp/lex.c (finish_parse): Use cpp_errors.
3483 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3485 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3487 * README.AVR: URLs corrected.
3489 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3491 * c-decl.c (start_function): Don't warn if old prototype is builtin
3492 that's not in C's namespace.
3493 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3494 (_bb): Add prototype for ctime.
3495 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3497 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3499 * i386.c (ix86_fp_comparison_arithmetics_cost,
3500 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3501 ix86_fp_comparison_cost): New functions.
3502 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3503 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3504 two-branch sequences; make static.
3505 (ix86_use_fcomi_compare): Do decision according to the costs.
3506 (split_fp_branch): New.
3507 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3508 * i386-protos.h (ix86_expand_fp_compare): Remove
3509 (ix86_split_fp_branch): Declare.
3511 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3512 and ix86_comparison_operator.
3514 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3517 * i386.c (put_condition_code): Output properly the unordered/ordered
3518 compares in fp case.
3519 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3521 * tm.texi (REVERSE_CONDITION): Document.
3522 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3523 in -ffast-math mode.
3524 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3526 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3528 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3530 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3533 * config/sh/sh.c (mova_p): Fix test for mova_const.
3535 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3537 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3538 cpp_get_options rather than dereferencing pfile and using
3540 * scan-decls.c (scan_decls): Use return value of
3541 cpp_pop_buffer rather than CPP_BUFFER.
3543 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3545 * cppinit.c (cpp_handle_option): help_only is now part of the
3546 cpp_options structure.
3547 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3548 cpp_set_callbacks): New functions.
3549 * cpplib.h (cpp_callbacks): Break out as a named structure.
3550 (cpp_options): Move help_only here from cpp_reader.
3551 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3552 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3553 cpp_set_callbacks): New prototypes.
3554 * cppmain.c (main): Update for help_only.
3556 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3558 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3559 Also build and remove and install and uninstall c-tree.info and
3561 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3562 ($(srcdir)/cppinternals.info): New target.
3563 * c-tree.texi: Change file name used when makeinfo used without -o
3564 from ir.info to c-tree.info. Add info directory entry.
3565 * cppinternals.texi: Add info directory entry.
3566 * .cvsignore: Update.
3568 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3570 * c-typeck.c (store_init_value): Don't require constant initializer
3571 elements with -pedantic -std=c99.
3572 (digest_init): Change error about non-constant initializer elements
3574 (constructor_range_end): Remove.
3575 (constructor_incremental, designator_depth,
3576 designator_errorneous): New variables.
3577 (struct constructor_stack): Remove range_end, add incremental.
3578 (struct constructor_range_stack, constructor_range_stack): New.
3579 (struct initializer_stack): Add constructor_range_stack.
3580 (finish_init): Set it.
3581 (start_init): Likewise. require_constant_elements for non-static
3582 trees only if not flag_isoc99.
3583 (really_start_incremental_init): Remove constructor_range_end, add
3584 constructor_incremental.
3585 (pop_init_level): Likewise.
3586 (push_init_level): Likewise. If implicit and the subobject had some
3587 value set already, preinitialize the level with it.
3588 Warn about missing braces only if not pushing due to designators.
3589 (set_designator, push_range_stack): New functions.
3590 (set_init_label): Use them.
3591 (set_init_index): Likewise. Remove constructor_range_end.
3592 Error if designator index is outside of array bounds.
3593 (add_pending_init): Compare values of purpose index trees, not the
3594 trees themselves. Allow overwriting of already initialized element.
3595 Issue a warning if it had side-effects.
3596 (set_nonincremental_init, set_nonincremental_init_from_string): New
3598 (pending_init_member): Rename to...
3599 (find_init_member): ...this function. Call set_nonincremental_init
3600 if necessary. Compare values of purpose index trees, not the trees
3601 themselves. Return the actual value, not just non-zero if something
3603 (output_init_element): Remove checks for duplicates.
3604 If field has zero size, only check the initializer for correctness.
3605 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3606 if constructor_incremental is zero. Change error about initializers
3607 not computable at load time into pedwarn.
3608 (output_pending_init_elements): Compare bit positions, not
3609 FIELD_DECLs to take into account zero-sized fields.
3610 (process_init_element): Use constructor_range_stack to fill all
3611 ranges in the designator lists from current level up.
3612 * extend.texi: Update documentation for labeled elements.
3614 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3616 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3617 to function usage for arguments passed by reference. Optimize
3618 callee-copied arguments.
3619 * regmove.c (replace_in_call_usage): New function.
3620 (fixup_match_1): Call it.
3621 * cse.c (cse_insn): Canonicalize registers in function usage.
3622 * reload1.c (replace_pseudos_in_call_usage): New function.
3625 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3628 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3630 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3633 2001-01-12 DJ Delorie <dj@redhat.com>
3635 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3636 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3639 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3641 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3642 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3643 -std options alongside references to -ansi. Update some
3644 documentation for C99.
3645 * cpp.1: Regenerate.
3647 2001-01-12 Andreas Jaeger <aj@suse.de>
3649 * haifa-sched.c (restore_line_notes): Remove argument block B
3651 * sched-ebb.c (schedule_ebb): Change caller.
3652 * sched-rgn.c (schedule_region): Likewise.
3653 * sched-int.h (restore_line_notes): Adjust prototype.
3655 * loop.h: Remove wrong declaration of doloop_condition_get.
3657 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3659 * extend.texi: Move C++-extension-related node from the C section
3660 into the C++ section.
3662 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3664 * extend.texi: Refer to an array of pointers to functions instead
3665 of one of functions.
3667 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3668 Jan Hubicka <jh@suse.cz>
3670 * combine.c (reversed_comparison): Fix typo in last patch.
3672 (combine_reversed_comparison_code): Make static to follow
3673 prototype declaration.
3675 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3677 * install.texi: Remove misplaced duplicate entry.
3679 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3681 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3683 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3685 * final.c: (leaf_function_p): Fix typo.
3687 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3689 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3690 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3692 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3693 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3694 mmap_anon, and valloc is available.
3695 * ggc-page.c: Restructure ifdef logic to match new autoconf
3696 spec. Don't throw away the test page in init_ggc.
3698 * configure, config.in: Regenerate.
3700 2001-01-12 Michael Hayes <mhayes@redhat.com>
3702 * loop.h (total_biv_increment): Constify iv_class pointer.
3703 (struct induction): Replace `mem_mode' with `mem' rtx.
3704 * unroll.c (total_biv_increment): Constify iv_class pointer.
3705 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3706 (find_mem_givs, combine_givs_p): Likewise.
3707 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3709 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3711 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3713 (__gthread_getspecific): Ditto.
3715 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3717 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3718 put_condition_code): Convert fp comparison codes to integer
3720 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3723 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3724 * i386-protos.h (no_comparison_operator): Kill.
3726 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3728 * combine.c (REVERSIBLE_CC_MODE): Remove.
3729 (reversible_comparison_p): Remove.
3730 (combine_reversed_comparison_code): New.
3731 (reversed_comparison): New.
3732 (combine_simplify_rtx): Use
3733 combine_reversed_comparison_code/reversed_comparison instead
3734 of reversible_comparison_p.
3735 (simplify_if_then_else): Likewise.
3736 (simplify_set): Likewise.
3737 (simplify_logical): Likewise.
3738 (if_then_else_cond): Likewise.
3739 (known_cond): Likewise.
3740 (simplify_comparison): Likewise.
3742 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3744 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3745 sizeof (int) is larger than sizeof(__word__).
3747 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3749 * cppinit.c (do_includes): Fix typo.
3751 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3753 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3754 in S_REGS does not occur because not all sources are possible
3755 when a S_REGS is a destination (sometimes needs a clobber).
3756 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3757 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3758 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3759 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3760 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3761 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3762 (lshrdi_const1, lshrsi3_const16): Likewise.
3763 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3764 (*movhi_68hc12, *movqi_68hc12): Likewise.
3765 (movstrictqi): Make sure reloading in D_REGS as a destination
3768 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3770 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3772 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3774 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3775 -D, -U and -A, and don't initialize the builtins.
3776 (do_includes): Error if -include or -imacros with -fpreprocessed.
3777 * cppmain.c (cb_define, cb_undef): Unconditionally process
3779 * tradcpp.c (main): Fix typo.
3781 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3783 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3784 (read_name_map): Use IS_ABSOLUTE_PATH.
3785 * tradcpp.c (get_filename): Likewise.
3787 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3789 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3790 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3791 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3792 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3793 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3794 (cmphi_z_used): Don't use '@' for the output.
3795 (tstqi_z_used): Likewise.
3796 (cmpqi_z_used): Likewise.
3797 (one_cmplsi2): Likewise.
3799 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3801 * config/sh/sh.c (barrier_align): Recognize branch around far
3802 branch and redundant insn.
3804 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3806 * invoke.texi: Restore documentation of the drivers' switches -MD
3809 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3811 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3813 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3814 check-objc//%): Support parallel testing of multilibs.
3815 (TESTSUITEDIR): Set to testsuite by default, but override for
3817 (check-gcc, check-g++, check-g77, check-objc): Enter
3820 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3822 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3823 * sched-deps.c (deps_may_trap_p): Likewise.
3824 * basic-block.h: Remove a comment.
3825 * flow.c (PROP_POSTRELOAD): Remove.
3826 (update_life_info): Don't add it to prop_flags.
3827 (mark_set_1): Lose the code that was enabled by it.
3829 2001-01-11 Michael Hayes <mhayes@redhat.com>
3831 * flow.c (flow_call_edges_add): New.
3832 * basic_block.h (flow_call_edges_add): New.
3834 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3836 * reload1.c (move2add_note_store): Update reg_set_luid even if
3837 base reg remains the same.
3839 2001-01-10 Nick Clifton <nickc@redhat.com>
3841 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3842 machine_function structure to zero.
3843 Add prototypes for machine_status functions.
3845 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3847 * c-common.h (CTI_VOID_LIST): Remove.
3848 (void_list_node): Likewise.
3849 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3850 (void_list_node): New macro.
3851 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3852 * config/i386/i386.c (ix86_init_builtins): Likewise.
3853 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3855 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3857 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3858 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3860 * tradcpp.c: Include mkdeps.h.
3861 (deps, print_deps_phony_targets, deps_append, output_deps,
3862 init_dependency_output, output_deps): New.
3863 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3864 deps_output): Delete.
3865 (print_deps_missing_files): Rename deps_missing_files.
3866 (inhibit_output): Make global.
3867 (main): Delete inhibit_output, deps_stream, deps_target.
3868 Use mkdeps functionality in the same way as cpplib. Remove
3869 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3870 -M and -MM. Remove old handling of deps via deps_out, and
3871 old reading of environment variables.
3872 (get_filename): Update to use deps_add_dep.
3874 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3876 * output.h (make_function_rtl): Remove prototype.
3877 (make_decl_rtl): Likewise.
3878 * varasm.c (make_function_rtl): Remove.
3879 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3880 than from a third parameter.
3881 * tree.h (make_decl_rtl): Remove last parameter.
3882 * c-decl.c (builtin_function): Remove last argument in call to
3883 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3884 (start_function): Likewise.
3885 * except.c (call_get_eh_context): Likewise.
3886 * expr.c (emit_block_move): Likewise.
3887 (clear_storage): Likewise.
3888 * profile.c (output_func_start_profiler): Likewise.
3889 * toplev.c (rest_of_decl_compilation): Likewise.
3890 * objc/objc-act.c (create_builtin_decl): Likewise.
3891 (synth_module_prologue): Likewise.
3892 (generate_static_reference): Likewise.
3893 (build_selector_reference_decl): Likewise.
3894 (build_class_reference_decl): Likewise.
3895 (build_objc_string_decl): Likewise.
3896 (build_protocol_reference): Likewise.
3898 2001-01-10 Richard Henderson <rth@redhat.com>
3900 * hwint.h: Revert yesterday's change.
3902 2001-01-10 Nick Clifton <nickc@redhat.com>
3904 * function.h (save_machine_status): Delete.
3905 (restore_machine_status): Delete.
3906 Amend comment describing {init|mark|free}_machine_status.
3908 * function.c (save_machine_status): Delete.
3909 (restore_machine_status): Delete.
3910 Amend comment describing {init|mark|free}_machine_status.
3911 (push_function_context_to): Remove invocation of
3912 save_machine_status.
3913 (pop_function_context_from): Remove invocation of
3914 restore_machine_status.
3916 * emit-rtl.c (init_emit_once): Amend comment describing
3917 {init|mark|free}_machine_status.
3919 * tm.texi (Per-Function Data): New node. Describe the
3920 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3923 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3925 * cppinit.c (OPT_g): Remove.
3926 (cpp_handle_option): Update for removed -g3.
3927 (print_help): Update.
3928 * cpplib.h (struct cpp_options): Remove debug_output.
3929 * cppmain.c (setup_callbacks, cb_define): Update.
3930 * gcc.c (cpp_options): Translate -g3 to -dD.
3932 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3934 * config/i960/i960.md: Change modifier to + on the zero_extract
3935 pattern after the (rotate -2 reg) canonicalization pattern.
3937 2001-01-10 Richard Henderson <rth@redhat.com>
3939 * config/alpha/alpha.c (alpha_free_machine_status): New.
3940 (override_options): Install it.
3941 (alpha_mark_machine_status): Verify machine non-null.
3942 * config/i386/i386.c (ix86_free_machine_status): New.
3943 (override_options): Install it.
3944 (ix86_init_machine_status): Use xcalloc.
3945 (ix86_mark_machine_status): Verify machine non-null.
3946 * config/ia64/ia64.c (ia64_free_machine_status): New.
3947 (ia64_override_options): Install it.
3948 (ia64_mark_machine_status): Verify machine non-null.
3950 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3952 * function.c (instantiate_virtual_regs): Instantiate virtual
3953 registers found in CALL_INSN_FUNCTION_USAGE.
3955 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3957 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3958 equivalent to -ansi in disabling -Di386.
3960 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3962 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3964 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3966 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3968 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3970 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3972 * invoke.texi: Document that -fcond-mismatch isn't supported for
3975 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3977 * gcc.texi: Define macro gcctabopt.
3978 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3979 @command, @env and @option in some places where appropriate. Use
3980 @gcctabopt where appropriate. Put URLs and email addresses inside
3983 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3985 * gcc.c (cpp_options): Set MD file name from output
3986 filename, if specified.
3987 (suffix_subst): New static variable.
3988 (do_spec): Clear it.
3989 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3991 (give_switch): Handle suffix_subst.
3993 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3995 * invoke.texi: Fix another typo.
3997 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3999 * invoke.texi: Fix typo.
4001 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4003 * c-lang.c (lang_hooks): Update.
4004 (lang_decode_option): Remove.
4005 (lang_init_options): Rename c_init_options.
4006 * toplev.c (main): Use lang_hooks for lang_init_options
4007 and lang_decode_option.
4008 * toplev.h (lang_hooks): Add 2 new hooks.
4009 * tree.h: Remove lang_init_options and lang_decode_option.
4010 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4011 * cp/decl2.c: Similarly.
4012 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4013 (lang_hooks): Update.
4014 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4016 (lang_init_options): Rename ffe_init_options.
4017 (lang_hooks): Update.
4018 (lang_decode_option): Remove.
4019 * java/lang.c (lang_init_options): Rename java_init_options.
4020 (lang_decode_option): Rename java_decode_option.
4021 (lang_hooks): Update.
4022 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4023 (lang_decode_option): Rename objc_decode_option.
4024 (lang_hooks): Update.
4026 2001-01-09 Nick Clifton <nickc@redhat.com>
4028 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4029 (d30v_return_addr_rtx): Delete.
4030 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4031 cfun->machine structure.
4032 (struct machine_function): Move to d30v.h
4033 (d30v_save_machine_status): Delete.
4034 (d30v_restore_machine_status): Delete.
4035 (d30v_init_machine_status): New Function.
4036 (d30v_mark_machine_status): New Function.
4037 (d30v_free_machine_status): New Function.
4038 (d30v_init_expanders): Use new functions.
4039 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4040 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4041 d30v_return_addr_rtx.
4043 * config/d30v/d30v.h (struct_machine): Move here.
4044 Add eh_epilogue_sp_ofs field.
4046 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4047 field in cfun->machine structure.
4049 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4051 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4052 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4053 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4055 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4057 * objc/lang-options.h: Remove bogus reference to
4060 2001-01-09 Kazu Hirata <kazu@hxi.com>
4062 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4065 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4067 * reload.c (find_reloads_address): Check for eliminable registers
4068 when substituting a constant expression for a pseudo.
4070 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4072 * c-common.c (enum format_type): Add format_type_error.
4073 (decode_format_type): New function.
4074 (decl_attributes): Use it.
4075 (format_kind_info): Adjust comment.
4077 2001-01-09 David O'Brien <obrien@BSDi.com>
4079 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4080 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4082 * config/i386/gnu.h: Don't include required platform specific .h files,
4083 tm.h will do it instead.
4084 * config/i386/i386elf.h: Likewise.
4085 * config/i386/linux.h: Likewise.
4086 * config/i386/moss.h: Likewise.
4087 * config/mips/gnu.h: Likewise.
4089 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4091 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4092 (rs6000-ibm-aix3.[01]*): Likewise.
4093 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4094 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4095 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4096 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4097 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4098 (powerpc-*-eabiaix*): Likewise.
4099 (powerpc-*-eabisim*): Likewise.
4100 (powerpc-*-elf*): Likewise.
4101 (powerpc-*-eabi*): Likewise.
4102 (powerpc-*-rtems*): Likewise.
4103 (powerpc-*-linux*libc1): Likewise.
4104 (powerpc-*-linux*): Likewise.
4105 (powerpc-wrs-vxworks*): Likewise.
4106 (powerpcle-wrs-vxworks*): Likewise.
4107 (powerpcle-*-sysv*): Likewise.
4108 (powerpcle-*-elf*): Likewise.
4109 (powerpcle-*-eabisim*): Likewise.
4110 (powerpcle-*-eabi*): Likewise.
4111 (powerpcle-*-solaris2*): Likewise.
4112 * config/rs6000/aix31.h: Delete includes.
4113 * config/rs6000/aix3newas.h: Likewise.
4114 * config/rs6000/aix41.h: Likewise.
4115 * config/rs6000/aix43.h: Likewise.
4116 * config/rs6000/beos.h: Likewise.
4117 * config/rs6000/rtems.h: Likewise.
4118 * config/rs6000/sysv4.h: Likewise.
4120 2001-01-09 Kazu Hirata <kazu@hxi.com>
4122 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4123 Change an argument mode of machine_mode to shift_mode of
4124 shift_mode. Remove an extra error check.
4125 (emit_a_shift): Adopt to the new calling prototype of
4127 (function_prologue): Fix code for a monitor
4128 function. Support H8/S.
4129 (function_epilogue): Do not output pop for a monitor function.
4131 2001-01-09 Nick Clifton <nickc@redhat.com>
4133 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4134 (setup_incoming_varargs): Use sysv_varargs_p field of the
4135 cfun->machine structure.
4136 (struct machine_function): Move to rs6000.h
4137 (rs6000_save_machine_status): Delete.
4138 (rs6000_restore_machine_status): Delete.
4139 (rs6000_init_machine_status): New Function.
4140 (rs6000_free_machine_status): New Function.
4141 (rs6000_init_expanders): Use new functions.
4143 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4145 (struct machine_function): Move here.
4147 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4148 sysv_varargs_p field of the cfun->machine structure.
4150 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4152 (rs6000_restore_machine_status): Remove prototype.
4154 2001-01-09 Richard Henderson <rth@redhat.com>
4156 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4157 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4158 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4159 (sched_analyze_2, sched_analyze_insn): Likewise.
4160 (sched_analyze, init_deps): Likewise.
4161 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4162 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4163 (compute_block_backward_dependences): Update propagate_deps call.
4165 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4167 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4169 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4171 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4172 (cpp_handle_option): Handle them.
4173 (cpp_post_options): Ensure one of -M or -MM is specified with
4174 any other -M? option.
4175 (init_dependency_output): Suppress output with -MG.
4177 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4180 * invoke.texi: Update.
4182 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4184 * sh.md (reload_outsf): Generate recognizable patterns for
4187 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4189 * c-lang.c (lang_hooks): Update.
4190 (lang_init): Rename c_init.
4191 (lang_finish): Remove.
4192 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4194 * toplev.h (lang_hooks): Add init () and finish ().
4195 * tree.h (lang_init, lang_finish): Remove.
4196 * cp/tree.h (lang_init, lang_finish): Remove.
4197 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4198 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4200 (lang_init, lang_finish): Remove.
4201 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4202 (lang_hooks): Update.
4203 * java/lang.c (lang_init): Rename java_init.
4204 (lang_finish): Remove.
4205 (lang_hooks): Update.
4206 * objc/objc-act.c (lang_init): Rename objc_init.
4207 (lang_finish): Remove.
4208 (lang_hoooks): Update.
4210 20001-01-09 Graham Stott <grahams@redhat.com>
4212 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4213 after `ptr` is initialised.
4215 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4217 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4218 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4219 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4220 stack adjusts, instead of r3.
4222 2001-01-09 Michael Hayes <mhayes@redhat.com>
4224 * flow.c (flow_loop_scan): Break out of ...
4225 (flow_loops_find) ... here.
4226 * basic-block.h (flow_loop_scan): New.
4227 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4228 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4230 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4232 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4234 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4235 realloc()ing macro_buffer.
4237 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4238 if it's wider than long and the target's long is wider than the
4241 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4243 Remove support for using UWIN as a host machine.
4244 * configure.in: Issue an error message.
4245 * configure: Regenerated.
4246 * config.gcc: Remove xm_* UWIN configury.
4247 * config/i386/xm-uwin.h: Remove.
4249 2001-01-08 Nick Clifton <nickc@redhat.com>
4251 * config/v850/v850.c (ra_rtx): Delete.
4252 (v850_save_machine_status): Delete.
4253 (v850_restore_machine_status): Delete.
4254 (v850_init_machine_status): New function.
4255 (v850_mark_machine_status): New function.
4256 (v850_free_machine_status): New function.
4257 (v850_return_addr): Use ra_rtx field in machine structure.
4258 (v850_init_expanders): Use new functions.
4260 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4261 * config/v850/v850.c: Change arguments to v850_output+* functions
4262 to take a const char *, to avoid compile time warning.
4263 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4264 (USER_LABEL_PREFIX): Redefine.
4266 2000-01-08 Jim Wilson <wilson@redhat.com>
4268 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4269 1 to unsigned HOST_WIDE_INT before left shift.
4271 2001-01-08 Nick Clifton <nickc@redhat.com>
4273 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4274 the machine structure has been allocated.
4275 (arm_free_machine_status): New function: Free the machine
4276 specific function structure.
4278 2001-01-08 Richard Henderson <rth@redhat.com>
4280 * jump.c (simplejump_p): Revert last change.
4282 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4284 * cppinit.c (init): Rename init_library.
4285 (cpp_create_reader): Update.
4286 * gcc.c (cpp_options): If -o given, use it as the target of
4289 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4291 * arm.c (arm_arch5e): New variable.
4292 (all_cores): XScale is a 5TE device.
4293 (arm_override_options): Set arm_arch5e.
4294 (arm_init_builtins): __builtin_prefetch is in arch5e.
4295 * arm.h (arm_arch5e): Declare it.
4297 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4299 * arm.md (define_constants): Add defines for UNSPEC and
4300 UNSPEC_VOLATILE insns. Update all users.
4301 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4302 * arm.c (multi_register_push, note_invalid_constants)
4303 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4304 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4305 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4307 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4309 * jump.c (jump_optimize_1): Use reversed_comparison_code
4310 instead of can_reverse_comparison_p.
4311 (jump_back_p): Likewise.
4312 (invert_exp_1): Likewise.
4313 (thread_jumps): Likewise.
4314 * simplify-rtx.c (simplify_unary_operation): Likewise.
4315 (simplify_ternary_operation): Likewise.
4316 * cse.c (find_comparison_args): Convert to use
4317 can_reverse_comparison_p.
4318 (record_jump_equiv): Likewise.
4320 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4322 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4323 (EPILOGUE_USES): Define.
4324 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4325 automatically stack the LR if it isn't live.
4327 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4329 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4332 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4334 * ggc-page.c (max_alignment): New structure.
4335 (MAX_ALIGNMENT): New macro.
4336 (init_ggc): Use it to round up the sizes in the
4337 extra_order_size_table.
4339 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4341 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4344 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4346 * builtins.def (BUILT_IN_FPRINTF): New entry.
4348 * c-common.c (c_expand_builtin_fprintf): New function.
4349 (init_function_format_info): Handle __builtin_fprintf.
4350 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4351 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4353 * c-decl.c (duplicate_decls): Adjust comment.
4355 * extend.texi (fprintf): Document new builtin.
4357 2001-01-07 Richard Henderson <rth@redhat.com>
4359 * jump.c (simplejump_p): Recognize any single_set jump
4362 2001-01-07 Richard Henderson <rth@redhat.com>
4364 * configure.in (slibdir): Accept an --with-slibdir option.
4365 Use "test" not "[" in configure. Default to $(libdir).
4367 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4369 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4370 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4371 (SHLIB_LINK): Create links for the soname.
4372 * config/mips/t-iris6: Likewise.
4373 * config/sparc/t-slibgcc: Likewise.
4374 * config/sparc/t-slibgcc-sld: Likewise.
4376 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4378 * config/i386/i386.c (constant_call_address_operand): Accept
4379 (const (plus (symbol_ref) (const_int))).
4380 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4381 constant_call_address_operand.
4383 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4385 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4386 and LONG_LONG_TYPE_SIZE > 32.
4388 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4390 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4391 the previous change.
4393 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4395 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4397 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4398 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4399 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4402 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4404 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4406 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4408 * c-lang.c (c_post_options): Call cpp_post_options.
4409 * objc/objc-act.c (objc_post_options): Similarly.
4410 * cppmain.c (main): Similarly.
4411 * fix-header.c (read_scan_file): Similarly.
4412 * cppinit.c (cpp_start_read): Move option consistency checks
4413 to cpp_post_options. Don't call init_dependency_output.
4414 If needed, add default target and main file dependency.
4415 (OPT_MD, OPT_MMD): Remove.
4417 (cpp_handle_option): Update for OPT_* changes.
4418 (cpp_post_options): New.
4419 (init_dependency_output): Command line -MF overrides environment
4420 variables. Don't set default target etc. Suppress output
4421 if dependencies are going to stdout.
4422 (print_help): Update.
4423 * cpplib.h (cpp_post_options): New.
4424 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4426 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4428 * jump.c (comparison_dominates_p): Support unordered compares.
4430 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4432 * simplify-rtx.c (simplify_relational_operation): Always simplify
4433 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4436 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4438 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4439 (nonzero_bits): Likewise.
4440 (simplify_comparison): Likewise.
4441 (num_sign_bit_copies): Likewise; return more sane value depending
4442 on STORE_FLAG_VALUE.
4443 (known_cond): Do not assume EQ to be always true for equivalent
4446 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4448 * cse.c (fold_rtx): Handle unordered comparisons.
4450 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4452 * rtlanal.c (set_of_1): New static function.
4453 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4454 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4455 reg_set_last_last_regno): Remove.
4456 (set_of): New global function.
4457 (set_of_data): New structure.
4458 (reg_set_p, reg_set_last): Revamp for set_of.
4459 * rtl.h (set_of): New.
4461 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4463 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4464 * extend.texi: Document _Exit builtin.
4466 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4468 * (initialize, initialize_builtins,
4469 initialize_dependency_output, initialize_standard_includes):
4470 Rename s/initialize/init. Update.
4471 (init_dependency_output): Move to after
4472 cpp_handle_options, the correct location temporally at least.
4473 (opt_comp): Move next to init (), its caller. Fix prototype.
4474 (init): Make "initialized" local scope.
4475 (cpp_create_reader): Always call init ().
4476 (cpp_start_read): Update.
4477 (output_deps): New function, broken out of cpp_finish.
4478 (cpp_finish): Break out output_deps.
4480 2001-01-07 Richard Henderson <rth@redhat.com>
4482 * collect2.c (COFF specific stuff): Revert 12-06 patch
4483 to prototype system functions.
4485 2001-01-07 Michael Hayes <mhayes@redhat.com>
4487 * hard-reg-set.h: Add multiple include guard.
4488 * basic-block.h (struct loop): Add `sink' field.
4489 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4490 (emit_iv_add_mult): Delete.
4491 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4492 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4493 (unroll_loop): Remove end_insert_before argument.
4494 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4495 (maybe_eliminate_biv_1): Likewise.
4496 (emit_iv_add_mult): Delete.
4497 (gen_add_mult, loop_regs_update): New.
4498 (loop_insn_emit_after, loop_insn_emit_before): New.
4499 (loop_insn_sink, loop_insn_sink_or_swim): New.
4500 (emit_iv_add_mult): Delete.
4501 (scan_loop): Set loop->sink.
4502 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4503 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4504 (maybe_eliminate_biv_1): Likewise.
4505 (maybe_eliminate_biv_1): Add basic block argument.
4506 * unroll.c (unroll_loop): Remove end_insert_before argument.
4507 (find_splittable_regs): Likewise.
4508 (find_splittable_regs): Use loop_insn_sink and its ilk.
4509 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4511 2001-01-07 Michael Hayes <mhayes@redhat.com>
4513 * loop.h (loop_insn_hoist): New prototype.
4514 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4515 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4516 (check_dbra_loop, load_mems): Likewise.
4517 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4518 (find_splittable_givs): Likewise.
4520 2001-01-07 Michael Hayes <mhayes@redhat.com>
4522 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4524 2001-01-07 Richard Henderson <rth@redhat.com>
4526 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4528 2001-01-07 Richard Henderson <rth@redhat.com>
4530 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4531 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4532 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4533 variant that handles a shared libgcc.
4534 (process_command): Always validate -{static,shared}-libgcc.
4535 (do_spec_1): New 'M' case.
4536 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4538 2001-01-07 Richard Henderson <rth@redhat.com>
4540 * Makefile.in (slibdir): New variable.
4541 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4542 (installdirs): Create slibdir.
4543 (install-libgcc, install-multilib): Defer to libgcc.mk.
4544 * configure.in (slibdir): Substitute.
4545 * mklibgcc.in (install): New target.
4547 * config/t-linux (SHLIB_LINK): Create links for the soname.
4548 (SHLIB_INSTALL): New.
4549 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4550 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4551 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4552 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4553 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4555 2001-01-07 Richard Henderson <rth@redhat.com>
4557 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4558 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4559 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4561 2001-01-07 Michael Hayes <mhayes@redhat.com>
4563 * loop.c (count_loop_regs_set): Delete.
4564 (load_mems_and_recount_loop_regs_set): Delete.
4565 (loop_regs_scan): Merge common code from count_loop_regs_set,
4566 scan_loop, and load_mems_and_recount_loop_regs_set.
4567 (scan_loop): Call load_mems directly and loop_regs_scan
4568 again if new registers created.
4570 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4572 * toplev.c (main): Call the front-end specific post_options
4573 hook if one is given.
4574 * toplev.h (struct_lang_hooks, lang_hooks): New.
4575 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4576 for the C front end.
4577 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4578 lang_hooks for the C++ front end.
4579 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4580 lang_hooks for the ObjC front end.
4581 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4582 * java/lang.c (lang_hooks): Hooks for the Java front end.
4584 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4586 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4587 for verbose DWARF[2] debugging.
4588 (cb_define, cb_undef): The new callbacks.
4589 * toplev.h (debug_define, debug_undef): Make const correct.
4590 * toplev.c (debug_define, debug_undef): Similarly. Do not
4591 perform the verbosity tests here anymore.
4593 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4595 * reload.c (subst_reloads): Take INSN argument. When
4596 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4597 * reload.h (subst_reloads): Adjust prototype.
4598 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4599 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4600 present in JUMP_INSNs and copy them to JUMP_LABEL.
4601 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4602 JUMP_INSNs and insns with REG_LABELs that are followed by
4603 JUMP_INSNs with the same REG_LABEL.
4604 * sched-rgn.c (is_cfg_nonregular): Likewise.
4605 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4607 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4609 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4611 2001-01-06 Richard Henderson <rth@redhat.com>
4613 * loop.c (scan_loop): Use xcalloc for the regs array.
4614 (load_mems_and_recount_loop_regs_set): Zero the new memory
4615 received from xrealloc.
4617 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4619 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4621 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4623 * integrate.c (copy_rtx_and_substitute): When copying
4624 an ignored return value, strip REG_FUNCTION_VALUE_P.
4626 2001-01-06 Michael Hayes <mhayes@redhat.com>
4628 * loop.c (debug_biv, debug_giv): New.
4629 (loop_biv_dump): Break out from ...
4630 (record_biv): ... here.
4631 (loop_giv_dump): Break out from ...
4632 (record_giv): ... here.
4633 (loop_bivs_check): Use print_simple_rtl.
4634 * unroll.c (loop_iterations): Use print_simple_rtl.
4636 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4638 * pa.md (return, return_internal): Modify patterns to prevent regrename
4639 mucking with the return pointer.
4641 2001-01-05 Richard Henderson <rth@redhat.com>
4643 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4645 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4647 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4648 version supplied by Matteo Frigo.
4650 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4652 * cpp.texi: Update for -MQ.
4653 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4654 (cpp_cleanup): Always free pfile->deps.
4655 (initialize_dependency_output): Don't create pfile->deps.
4656 (cpp_handle_option): Similarly.
4658 * gcc.c (cpp_options): Handle -MQ.
4659 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4660 * mkdeps.c (base_name): Remove.
4661 (deps_init): Don't allocate vector space until it's needed.
4662 (deps_free): Only free vectors if allocated.
4663 (deps_add_target, deps_add_dep): Update for initial allocation.
4664 (deps_add_default_target): Don't strip to the base_name.
4666 2001-01-05 DJ Delorie <dj@redhat.com>
4668 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4669 (INIT_EXPANDERS): Define.
4671 * config/v850/v850.c (struct machine_function): Define.
4672 (v850_save_machine_status): New function.
4673 (v850_restore_machine_status): New function.
4674 (v850_return_addr): New function.
4675 (v850_init_expanders): New function.
4677 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4678 and v850_init_expanders.
4680 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4682 * cpplib.h (struct cpp_reader): Add help_only field.
4683 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4684 (cpp_handle_option): Set pfile->help_only if we see -h,
4685 --help, -target-help, or --version. Print version string but
4686 do not set help_only if we see -v or -version. Make text
4687 printed by -v match that printed by (-)-version.
4689 * cppmain.c (main): Exit after option parsing if
4690 pfile->help_only is true.
4692 * toplev.c (independent_decode_option): Call print_version,
4693 then exit, if we see --version (but not -version).
4694 (print_version): Split lengthy message into two lines.
4696 2001-01-05 Nick Clifton <nickc@redhat.com>
4698 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4699 temporary string for initialisation before calling ggc_alloc_string.
4701 2001-01-06 Michael Hayes <mhayes@redhat.com>
4703 * rtl.h (print_simple_rtl): New.
4704 * print-rtl.c (print_simple_rtl): New.
4706 (print_rtx): Disable printing of flags and modes, etc.,
4707 if `flag_simple` nonzero.
4709 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4711 * function.c (fixup_var_refs): Use push_to_full_sequence where
4714 2001-01-05 Michael Meissner <meissner@redhat.com>
4716 * flags.h (flag_reorder_blocks): Add declaration.
4717 (flag_rename_block): Ditto.
4719 2001-01-05 DJ Delorie <dj@redhat.com>
4721 * function.c (reorder_blocks): Make sure the flags are all reset
4722 before using them to mark blocks, else a second invocation will
4723 corrupt the block chain.
4724 (reorder_blocks_0): New, resets the flags.
4726 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4728 * cse.c (find_comparison_args): Stop if the argument is known to
4731 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4733 * config/sh/sh.md (movdf): When splitting load into pair of
4734 registers, don't clobber the register used in the address too
4737 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4739 * varasm.c (mark_constant_pool): Improve initial comments.
4740 (mark_constants): Move marking of constants to mark_constant.
4741 (mark_constant): New function to recursively mark all constants
4742 referred to by a constant.
4744 2001-01-05 Catherine Moore <clm@redhat.com>
4746 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4748 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4750 * cp/lang-options.h: Bring comment in line with reality.
4751 * f/lang-options.h: Likewise.
4752 * java/lang-options.h: Likewise.
4753 * objc/lang-options.h: Likewise.
4754 * ch/lang-options.h: Likewise.
4755 * f/g77.texi: And update the manual.
4757 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4758 Denis Chertykov <denisc@overta.ru>
4760 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4761 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4762 * config/avr/avr.md (all peepholes that request a scratch register):
4763 Call it, FAIL the peephole if not safe (in interrupt functions).
4765 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4767 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4769 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4771 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4773 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4774 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4775 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4776 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4777 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4779 * extend.texi: Document these builtins.
4781 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4783 * c-common.c (lang_get_alias_set): Say we know nothing of
4784 VECTOR_TYPE aliasing.
4786 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4788 2001-01-05 Bruce Korb <bkorb@gnu.org>
4790 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4791 their x* equivalent versions for atexit-less systems
4792 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4793 systems (or any other system any more).
4795 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4797 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4798 output operands. Use arm_hard_register_operand for operand 4.
4799 (stmsi_postinc): Similarly.
4800 (ldmsi): Use arm_hard_register_operand for opernand 2.
4802 * arm.c (arm_hard_register_operand): New function.
4803 * arm-protos.h (arm_hard_register_operand): Prototype it.
4805 * arm.h (HARD_REGNO_RENAME_OK): Define.
4807 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4809 * simplify-rtx.c (cfc_args): add "unordered" field.
4810 (check_fold_consts): Set unordered field.
4811 (simplify_relational_operation): Simplify the unordered
4814 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4817 * emit-rtl.c (try_split): Fix code to mark labels.
4818 * jump.c (mark_jump_label): Make global.
4819 * rtl.h (mark_jump_label): Declare.
4821 * predict.c (estimate_probability): Handle unordred comparisons.
4823 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4825 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4826 * cppinit.c (initialize_dependency_output): Update.
4827 (cpp_finish): Output dummy targets for -MP.
4829 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4830 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4831 * gcc.c (cpp_options): Update to handle -MP.
4832 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4833 to quote only the default target.
4834 (deps_phony_targets): Insert a preceding newline. Rename from
4835 deps_dummy_targets for consistency.
4838 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4840 * calls.c (emit_library_call_value_1): Support
4841 INIT_CUMULATIVE_LIBCALL_ARGS.
4842 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4844 2001-01-04 Richard Henderson <rth@redhat.com>
4846 * c-decl.c (finish_struct): Detect flexible array members
4847 used in an inappropriate context.
4848 * c-typeck.c (really_start_incremental_init): Special case
4849 constructor_max_index for zero length arrays.
4850 (pop_init_level): Allow initialization of flexible array
4851 members. Deprecate initialization of zero length arrays.
4852 Don't issue missing initializer warning for flexible array
4853 members or zero length arrays.
4854 (process_init_element): Don't dereference null DECL_SIZE.
4855 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4856 Don't abort for empty constructors. Use size_binop
4857 (output_constructor): Add commentary regarding zero length
4858 array futures. Abort if we try to initialize an array of
4859 unspecified length with a non-empty constructor in the middle
4862 * extend.texi (Zero Length): Update and clarify documentation
4863 on static initialization.
4865 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4867 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4868 with more than 32767 words of local storage.
4870 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4872 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4873 for 'abs', 'labs', and 'fabs'.
4874 (c4x_expand_builtin): Likewise.
4875 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4877 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4879 * config/sh/sh.md (prget, prset): New insn types.
4880 (return delay slot): Dont' allow prset.
4881 (call, sfunc delay slot): Don't allow prget.
4882 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4883 for prset and prget.
4885 2001-01-05 Michael Hayes <mhayes@redhat.com>
4887 * loop.h (struct loop_reg): New.
4888 (struct loop_regs): Change to use array of `struct loop_reg'.
4889 * loop.c: Replace assortment of varrays with single regs array.
4890 (count_one_set): Delete may_not_move array argument
4891 and use regs array instead. All caller's changed.
4892 (count_loop_regs_set): Delete may_not_move and single_usage
4893 arguments and use regs array instead. All caller's changed.
4894 (find_single_use_in_loop): Replace usage array argument with pointer
4895 to regs structure. All caller's changed.
4896 (loop_optimize): Delete `moved_once' array.
4898 2001-01-05 Michael Hayes <mhayes@redhat.com>
4900 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4901 Use it instead of loop_info->has_call for scanning loop mems.
4902 (check_dbra_loop): Replace loop_info->has_call test with
4903 loop_info->has_nonconst_call.
4905 2000-01-04 Matthew Hiller <hiller@redhat.com>
4907 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4910 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4912 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4913 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4915 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4917 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4918 (flag_short_double, flag_short_wchar): Define.
4919 (c_common_nodes_and_builtins): Create many tree nodes shared
4920 between C and C++ here instead of in cp/decl.c and ...
4921 * c-decl.c (init_decl_processing): ... here.
4922 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4923 (flag_short_double, flag_short_wchar): Don't define.
4924 (record_builtin_type): New function.
4925 (build_void_list_node): New function.
4926 * c-common.h (flag_short_double, flag_short_wchar,
4927 record_builtin_type, build_void_list_node): Declare.
4929 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4931 * integrate.c (expand_inline_function): Don't put a virtual
4932 register into the reg map.
4934 * function.c (fixup_var_refs_1): If force_operand didn't put
4935 the address into the target, move it there.
4937 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4939 Special-case tree_decl/tree_list allocations.
4940 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4941 (OBJECT_SIZE): New macro.
4942 (NUM_EXTRA_ORDER): Likewise.
4943 (extra_order_size_table): New variable.
4944 (NUM_ORDERS): New macro.
4945 (objects_per_page_table): New variable.
4946 (object_size_table): New variable.
4947 (G.pages): Use NUM_ORDERS to bound the array.
4948 (G.page_tails): Likewise.
4949 (DIV_ROUND_UP): Remove.
4950 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4951 (alloc_page): Use OBJECT_SIZE.
4952 (size_lookup): Don't make it const.
4953 (ggc_alloc): Use OBJECT_SIZE.
4954 (ggc_set_mark): Likewise.
4955 (ggc_get_size): Likewise.
4956 (init_ggc): Set up the object_size_table, objects_per_page_table,
4957 and adjust size_lookup.
4958 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4959 (ggc_pop_context): Use NUM_ORDERS.
4960 (clear_marks): Likewise.
4961 (sweep_pages): Likewise.
4962 (poison_pages): Likewise.
4963 (ggc_print_statistics): Use OBJECT_SIZE.
4965 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4967 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4968 Only call array_size_for_constructor if last field and array type
4969 with no upper bound.
4971 2001-01-04 Philip Blundell <philb@gnu.org>
4973 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4974 from bit 31 downwards, if this requires no more insns.
4975 (count_insns_for_constant): New helper function for above.
4977 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4979 * gencodes.c (output_predicate_decls): Remove empty initializer.
4981 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4983 * tree.c (copy_node): Remove documentation about obstacks.
4984 (buidl1): Check that nobody tries to build 2-argument nodes this
4987 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4989 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4992 * gencodes.c (output_predicate_decls): Fill empty initializer
4995 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4997 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4998 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5000 (do_include): Handle missing headers like cpp0.
5001 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5002 paths with first include pathname. Don't strcat to uninitialized
5005 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5007 * regrename.c (regrename_optimize): Don't rename from frame pointer
5008 if frame_pointer_needed.
5009 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5010 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5011 (ia64_reorg): Use it instead of scheduling if ! optimize.
5012 (errata_emit_nops): Properly call asm_noperands.
5013 (ia64_sched_reorder): Finish cycle if we see an asm.
5014 (ia64_variable_issue): Clear scheduling state after asms.
5016 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5018 * cpp.texi: Update for -MT.
5019 * cppinit.c (initialize_dependency_output): Add a default
5020 target if none has been given already.
5021 (no_tgt, OPT_MT): New.
5022 (cpp_handle_option): Handle -MT. Update -M etc.
5023 * cpplib.h (struct cpp_options): Remove deps_target.
5024 * gcc.c (cpp_options): Handle -MT.
5025 * mkdeps.c (struct deps): Move from mkdeps.h.
5026 (deps_calc_target): Rename deps_add_default_target. Add a
5027 default target if none has been specified already.
5028 * mkdeps.h (struct deps): Move to mkdeps.c.
5029 (deps_calc_target): Rename deps_add_default_target.
5031 2000-01-03 Richard Henderson <rth@redhat.com>
5033 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5035 * c-typeck.c (push_init_level): Move checks for flexible array
5036 members and zero length arrays ...
5037 (pop_init_level): ... here. Silently discard empty initializations.
5039 * varasm.c (output_constructor): Update for sizeof change to
5042 * extend.texi (Zero Length): Clarify semantics.
5044 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5046 * configure.in (tm.h): Include isns-codes.h last.
5047 * configure: Rebuilt.
5049 2001-01-03 Richard Henderson <rth@redhat.com>
5051 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5052 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5054 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5056 * tradcpp.c (main): Make sure finclude() is called with a valid
5057 indepth value while handling -include.
5059 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5061 * gencodes.c (output_predicate_decls): New function.
5063 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5064 even if it is not the first time machmode.h is #included.
5065 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5066 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5067 * gcc.texi (Copyright): Added 2001.
5069 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5071 * c-common.c (c_common_lang_init): New function. Warn if format
5072 warning options which only have effects when used with -Wformat
5073 are used without -Wformat.
5074 * c-common.h (c_common_lang_init): Declare.
5075 * c-lang.c (lang_init): Call c_common_lang_init.
5076 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5078 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5080 * configure.in: Check for the mktemp command.
5081 * configure: Regenerate.
5082 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5083 $TEMP. Create temporary files with mktemp, if available at
5084 configure time; otherwise use set -C. Remove temporary files
5087 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5089 * configure.in: Require at least texinfo 4.0. Check for whether
5090 Pod::Man is sufficiently recent to regenerate GCC manpages.
5091 * configure: Regenerate.
5092 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5094 (GENERATED_MANPAGES): Define.
5095 (generated-manpages): New target. Depend on cpp.1 as well as
5097 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5098 configure to generated-manpages or empty) rather than on the
5099 manpages directly. Remove execute permission from installed
5100 gcov.1 as well as cpp.1.
5101 * cpp.1, gcov.1: Regenerate.
5103 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5105 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5106 tree_low_cst. Allow using cmpstrsi in more cases.
5108 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5110 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5113 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5115 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5116 * Makefile.in (HOST_CFLAGS): Mention build-make.
5118 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5120 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5123 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5125 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5128 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5131 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5132 reg_base_value and reg_known_value arrays.
5133 (init_alias_analysis): Add more cases to detect known values.
5134 * sched-deps.c (deps_may_trap_p): New function.
5135 (sched_analyze_2): Use it.
5137 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5139 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5140 don't discard an ASHIFTRT if we're shifting in a wider mode.
5142 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5144 * toplev.c (rest_of_compilation): Don't print basic block information
5145 when CFG isn't up to date.
5147 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5149 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5150 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5151 (UNALIGNED_SHORT_ASM_OP): Define.
5152 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5154 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5156 * fold-const.c (fold_convert): Fix typo.
5158 2001-01-02 Richard Henderson <rth@redhat.com>
5160 * c-common.h (ASM_INPUT_P): New.
5161 * c-parse.in (asm): Set it when needed.
5162 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5163 existance of an operand.
5165 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5167 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5168 (dwarf2out_frame_debug_expr): Likewise.
5169 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5171 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5173 * i386.c (ix86_split_to_parts): Return number of part required;
5175 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5177 (ix86_split_long_move): Use number of part returned
5178 by ix86_split_to_parts
5179 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5181 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5182 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5183 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5184 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5185 (ALIGN_MODE_128): Add TFmode.
5186 (IS_STACK_MODE): Likewise.
5187 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5188 (HARD_REGNO_OK): Support TFmodes.
5189 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5190 * i386.md (scheduler definitions): Use memory operand to determine
5191 fst/fld instructions; use mode attribute to determine real mode of
5193 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5194 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5196 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5198 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5200 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5202 * expr.c (store_constructor_field): Update ALIGN before calling
5205 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5207 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5210 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5212 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5215 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5217 * c-decl.c (start_function): Don't warn on third parameter to main.
5219 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5221 * tsystem.h: Define HAVE_DECL_GETOPT.
5223 2001-01-02 Philip Blundell <pb@futuretv.com>
5225 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5228 2001-01-02 Richard Henderson <rth@redhat.com>
5230 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5232 2001-01-02 Andreas Jaeger <aj@suse.de>
5234 * c-decl.c (c_decode_option): Remove support of
5237 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5238 (W_options): Add -Wmissing-noreturn here.
5240 * flow.c: Define lang_missing_noreturn_ok_p.
5241 (check_function_return_warnings): Use it.
5243 * c-common.h: Declare lang_missing_noreturn_ok_p.
5245 * c-lang.c (c_missing_noreturn_ok_p): New function.
5246 (lang_init): Set lang_missing_noreturn_ok_p.
5248 * invoke.texi (Warning Options): Document this.
5250 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5252 * extend.texi (C++ Extensions): New node for C++ attributes;
5253 describe init_priority and com_interface.
5254 * invoke.texi: Remove -finit-priority as it now has zero effect.
5255 * install.texi: Fix xref syntax.
5256 * md.texi: Likewise.
5258 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5260 * config.gcc (sparc64-wrs-vxworks*): New case.
5261 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5263 * config/sparc/sparc.c (sparc_override_options): Do support different
5264 pointer and architecture size.
5265 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5266 (POINTERS_EXTEND_UNSIGNED): Define.
5267 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5268 (FUNCTION_MODE): Define to be Pmode.
5269 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5271 * function.c (expand_function_end): Properly handle DECL_RESULT
5272 and copy when ptr_mode != Pmode.
5273 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5275 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5277 * c-common.c (c_common_nodes_and_builtins): Set prototype
5278 parameters for __builtin_fputs, __builtin_fputc and
5279 __builtin_fwrite. Don't declare plain fputc as a builtin.
5281 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5283 * loop.c (add_label_notes): Increment the label usage count when
5284 a note is added to an insn which refers to a CODE_LABEL.
5285 * gcse.c (add_label_notes): Likewise.
5287 2001-01-01 Andreas Jaeger <aj@suse.de>
5289 * loop.c (scan_loop): Use xmalloc to allocate movables.
5291 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5293 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5294 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5295 * reload1.c (REGISTER_MOVE_COST): Likewise.
5296 * regclass.c (REGISTER_MOVE_COST): Likewise.
5297 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5298 dimension. Adjust all users.
5299 (init_reg_sets_1): Iterate on all modes.
5300 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5301 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5302 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5303 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5304 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5305 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5306 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5307 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5308 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5309 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5310 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5311 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5312 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5313 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5314 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5315 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5316 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5317 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5318 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5319 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5320 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5321 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5322 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5323 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5324 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5325 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5326 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5328 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5330 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5331 arg VARIES_P. Call it with extra arg.
5332 (true_dependence): Likewise.
5333 * rtl.h (rtx_addr_can_trap_p): Declare.
5334 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5336 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5337 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5338 pic offset table register if it's zero. All callers changed.
5339 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5341 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5343 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5344 STRING_POOL_ADDRESS_P.
5346 * config/sparc/sparc.c (input_operand): Properly test for short op.
5348 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5349 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5350 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5351 * config/sparc/elf.h: No longer include sol2.h.
5352 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5353 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5355 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5357 2001-01-01 Michael Hayes <mhayes@redhat.com>
5359 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5360 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5361 (record_initial): Likewise.
5362 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5363 (remap_split_bivs): Likewise.
5365 2001-01-01 Michael Hayes <mhayes@redhat.com>
5367 * loop.c (loop_ivs_free): New function.
5368 (strength_reduce): Break out from...
5370 2001-01-01 Michael Hayes <mhayes@redhat.com>
5372 * loop.h (struct iv): New.
5373 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5374 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5375 'reg_biv_class' fields with 'regs' and 'n_regs'.
5376 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5377 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5378 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5380 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5382 * resource.c (mark_referenced_resources): Abort() before
5383 attempting to mark a pseudo register.
5384 (mark_set_resources): Likewise.
5386 2001-01-01 Michael Hayes <mhayes@redhat.com>
5388 * loop.h (REG_IV_CLASS): New accessor macro.
5389 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5390 * unroll.c (REG_IV_CLASS): Likewise.
5392 See ChangeLog.4 for earlier changes.