1 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4 until when it is really needed.
5 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7 * i386.md (float?i?f splitter): Don't force source operand to memory
9 (sse_movdfcc): Fix constraint.
10 (sse_movdfcc splitter): Handle properly the second alternative.
12 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
14 * cpplex.c (parse_string): Unconditionally pedwarn.
16 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
19 * cppexp.c (parse_number): Update.
20 * cpplex.c (parse_string): Pedwarn if multiline string does not
21 result from a system header's macro.
22 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
23 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
24 for function-like macros too.
25 * c-lex.c (lex_number): Update.
27 2001-03-03 Richard Henderson <rth@redhat.com>
29 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
31 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
33 * combine.c (try_combine): If split with mode-changed scratch
34 register didn't work, try the original mode.
36 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
38 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
39 * config/c4x/c4x.h: Likewise.
40 * stor-layout.c (compute_record_mode): Likewise.
41 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
43 2001-03-02 Zack Weinberg <zackw@stanford.edu>
45 * configure.in: Kill tm.h. Include the files in the $tm_file
46 list in all three of config.h, hconfig.h, tconfig.h, after the
47 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
48 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
49 * configure: Regenerate.
50 * Makefile.in (clean): Don't delete tm.h.
52 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
53 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
54 those are not defined, set SEC and FEC to 0 and 1.
55 * gcc.texi: Update to match.
57 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
58 * config/fp-bit.c, config/m68k/aux-crt2.asm,
59 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
60 Include tconfig.h, not tm.h.
62 * config/xm-lynx.h, config/xm-std32.h,
63 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
64 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
65 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
66 config/clipper/xm-clix.h, config/convex/xm-convex.h,
67 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
68 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
69 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
70 config/i386/xm-i386.h, config/i860/xm-i860.h,
71 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
72 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
73 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
74 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
75 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
76 config/pa/xm-linux.h, config/pa/xm-pa.h,
77 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
78 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
79 config/pj/xm-pj.h, config/romp/xm-romp.h,
80 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
81 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
82 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
83 config/v850/xm-v850.h, config/vax/xm-vax.h,
84 config/we32k/xm-we32k.h:
86 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
88 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
89 config/i370/xm-oe.h: Don't include tm.h. Don't define
91 * config/vax/xm-vms.h: Don't include tm.h.
93 * config/xm-lynx.h, config/avr/xm-avr.h,
94 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
95 Delete; made empty by above changes.
96 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
97 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
98 Don't include config/xm-lynx.h or tm.h.
100 * config/xm-gnu.h: Don't include fcntl.h.
101 * config/sparc/xm-lynx.h: Don't include sys/types.h and
103 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
105 2001-03-02 Richard Henderson <rth@redhat.com>
107 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
108 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
110 2001-03-02 Richard Henderson <rth@redhat.com>
112 * Makefile.in (OBJS): Add dwarf2asm.o.
113 * dwarf2asm.c, dwarf2asm.h: New files.
114 * dwarf2out.c (*): Use them.
115 (size_of_uleb128, size_of_sleb128): Remove.
116 (output_uleb128, output_sleb128): Remove.
117 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
118 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
119 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
120 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
121 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
122 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
123 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
124 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
125 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
126 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
127 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
128 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
129 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
130 (dwarf2out_frame_debug): Remove unused variables.
131 (output_loc_operands): Don't abort on 8 byte constants if
132 host integers are wide enough.
133 (output_symbolic_ref): Remove.
134 (size_of_die): Don't assume 4 byte host integers.
135 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
137 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
138 something stupid with HOST_WIDE_INT to long truncation.
139 [CONST_DOUBLE]: Likewise.
141 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
142 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
143 * config/arm/unknown-elf.h: Likewise.
144 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
145 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
146 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
147 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
148 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
149 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
150 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
151 (ASM_OUTPUT_DWARF_OFFSET): Remove.
152 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
153 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
154 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
155 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
157 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
159 * cselib.c (hash_rtx): Cast enums to unsigned int.
161 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
163 * print-rtl.c (print_rtx): Cast enums to int for comparison.
164 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
166 * c-format.c (C_STD_VER): Cast to int for comparisons.
167 (check_function_format): Cast various enums to int for &.
168 (maybe_read_dollar_number): Likewise.
169 (check_format_info): Likewise.
170 (check_format_info_main): Likewise.
171 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
172 (safe_from_p): Likewise.
173 * varasm.c (const_hash): Cast enum to int for %.
174 * emit-rtl.c (init_emit_once): Use int loop variable to work around
175 pcc enum problems with < and ++ operators.
176 * regclass.c (init_reg_sets_1): Cast enums for comparison.
177 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
178 (regclass_init): Change enum class to int to iterate over reg_classes.
179 * genrecog.c (merge_trees): Cast enums for comparison.
180 * rtl.h (GET_CODE): Cast to enum rtx_code.
181 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
182 (GET_MODE): Cast to enum machine_mode.
183 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
184 (GET_NOTE_INSN_NAME): Cast enum to int.
185 * tree.h (TREE_CODE): Cast to enum tree_code.
186 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
187 * timevar.c (timevar_print): Change loop variable id from enum to
189 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
190 * config/i386/i386.md: Use PUT_MODE for mode assignment.
191 * toplev.c (compile_file): Cast enum DFI to int.
192 (decode_d_option): Likewise.
194 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
196 * cppinit.c (append_include_chain): Mark "after" include file name list
197 as a system directory.
198 * cpp.texi: Document new behavior.
200 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
202 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
204 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
206 * cppfiles.c (struct include_file): Update.
207 (stack_include_file): Use search_from.
208 (cpp_included, find_include_file): Update.
209 (cpp_execute_include): Update. ptr->name may not be
210 null terminated. Use the new search_from member variable
212 (_cpp_compare_file_date): Similarly.
213 (search_from): New function, similiar to actual_directory.
214 (actual_directory): Delete.
215 (remap_filename): Update. loc->name may not be null terminated.
216 (struct file_name_list): Rename search_path. Update.
217 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
219 (struct cpp_reader): Remove actual_dirs.
220 * cppinit.c (struct cpp_pending): Update for renamed objects.
221 (append_include_chain, remove_dup_dir, remove_dup_dirs,
222 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
223 * cpplib.h (struct cpp_options): Similarly.
225 2001-03-01 Zack Weinberg <zackw@stanford.edu>
227 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
228 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
229 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
230 config/clipper/xm-clix.h, config/convex/xm-convex.h,
231 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
232 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
233 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
234 config/i370/xm-linux.h, config/i370/xm-mvs.h,
235 config/i370/xm-oe.h, config/i386/xm-aix.h,
236 config/i386/xm-i386.h, config/i386/xm-osf.h,
237 config/i860/xm-i860.h, config/i960/xm-i960.h,
238 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
239 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
240 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
241 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
242 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
243 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
244 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
245 config/pj/xm-pj.h, config/romp/xm-romp.h,
246 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
247 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
248 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
249 config/v850/xm-v850.h, config/vax/xm-vax.h,
250 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
251 Do not define TRUE or FALSE.
253 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
254 empty by above change.
255 * config.gcc: Remove references to these files.
257 * configure.in: Detect stdbool.h.
258 * configure, config.in: Regenerate.
259 * system.h: Include stddef.h here if available.
260 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
261 Then set up a sensible boolean type at the very end.
263 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
264 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
266 * hash.h: Delete 'boolean' typedef and related #undefs.
268 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
269 all uses of 'boolean' with 'bool'.
271 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
273 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
274 * cppexp.c (lex): Cast enums for comparison.
275 * cppinit.c (parse_option): Cast enum for comparison.
276 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
277 (cpp_output_token): Likewise.
278 (cpp_can_paste): Cast enums for comparsion and plus/minus.
279 (cpp_avoid_paste): Cast enums for minus and comparison.
281 2001-03-01 Zack Weinberg <zackw@stanford.edu>
283 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
284 field to all array elements.
286 2001-03-01 Zack Weinberg <zackw@stanford.edu>
288 * cpphash.h (struct cpp_reader): Add print_version field.
289 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
290 just set print_version and other flags as appropriate.
291 (cpp_post_options): Print version here if print_version is set.
293 * toplev.c (exit_after_options): New flag.
294 (independent_decode_option): Don't exit here; just set
296 (main): Exit after calling lang_hooks.post_options if
297 exit_after_options is true.
299 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
300 (merge_include_chains): Adjust comment to match code.
302 2001-03-01 Zack Weinberg <zackw@stanford.edu>
304 * stringpool.c (set_identifier): New function.
305 * tree.h: Prototype it.
307 * c-parse.in: Kill D_YES. If compiled for objc, call
308 save_and_forget_protocol_qualifiers from init_reswords.
309 * objc/objc-act.c (remember_protocol_qualifiers,
310 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
311 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
313 (save_and_forget_protocol_qualifiers): New function.
314 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
316 2001-03-01 Diego Novillo <dnovillo@redhat.com>
318 * c-semantics.c (prune_unused_decls): Return error_mark_node
319 instead of (tree) 1 to stop traversing the tree chain.
321 2001-03-01 Bernd Schmidt <bernds@redhat.com>
323 Fix a problem introduced by Kenner's Feb 18 change.
324 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
325 flag_cse_skip_blocks only temporarily, not for ever.
327 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
329 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
330 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
332 * pa.c (emit_move_sequence): Verify operand0 is a hard register
333 before determining its register class.
335 2001-03-01 Bernd Schmidt <bernds@redhat.com>
337 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
338 from reg 4 if current_function_calls_setjmp.
339 (gen_nop_type): New function.
340 (ia64_emit_nops): New function.
341 (ia64_reorg): Call it.
342 (ia64_sched_reorder): Move code that rotates bundles up a bit.
344 * reload1.c (eliminate_regs_in_insn): Restrict the special case
345 code not to try to optimize adds with anything but a REG destination.
347 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
348 (INSN_PRIORITY_KNOWN): New accessor macro.
349 * haifa-sched.c (priority): Use it instead of testing priority against
352 2001-02-28 DJ Delorie <dj@redhat.com>
354 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
355 since that doesn't work the way gcc wants on a generic m68k.
357 2001-02-28 Richard Henderson <rth@redhat.com>
359 * caller-save.c (save_call_clobbered_regs): Fix typo in
360 comparison last change.
362 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
364 * i386.c (pentium4_cost): New.
365 (m_PENT4): New macro.
366 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
367 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
368 x86_integer_DFmode_moves, x86_partial_reg_dependency,
369 x86_memory_mismatch_stall): Add Pentium4
370 (x86_use_q_reg, x86_use_any_reg): Kill.
371 (override_options): Add pentium4.
372 (incdec_operand): Return 0 for pentium4.
373 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
374 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
375 (TARGET_PENTIUM4): Define.
376 (enum processor_type): Add PROCESSOR_PENTIUM4.
377 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
378 * i386.md (attribute "cpu"): Add pentium4.
379 * invoke.texi (march): Add pentium4.
381 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
383 * i386.md (sse_mov?fcc*): New patterns and splitters.
384 * i386.c (ix86_expand_movcc): Work post-reload; recognize
385 the SSE based conditional moves.
387 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
389 * i386.md (attribute mode): Add "TI".
390 (movsf_1): Add pxor support; remove constant propagation splitter.
391 (movdf_integer): Likewise.
392 (movdf_nointeger): Likewise.
393 (movxf constant prop splitter): Handle all modes; update for SSE.
394 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
395 * i386.c (standard_80387_constant_p): Rewrite.
396 (standard_sse_constant_p): New.
397 * i386-protos.h (standard_sse_constant_p): New.
399 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
401 * i386.md (sse_setccsf, sse_setccdf): New.
402 (sse_cmp* patterns): Use '%D' instead of outputtting condition
404 * i386.c (sse_comparison_operator): Accept the supported unordered
405 comparses; be ready for fast_math.
406 (print_operand): Support 'D'.
408 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
410 * jump.c (reversed_comparison_code): Kill.
412 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
414 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
417 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
419 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
420 add missing '%' in constraints.
422 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
424 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
425 for HOST_BITS_PER_WIDE_INT == 32 too.
427 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
429 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
431 (insert_save, insert_restore): New parameter save_mode.
432 (init_caller_save): Update initialization of reg_save_code
433 and reg_restore_code.
434 (save_call_clobbered_regs): Compute save_modes and update calls to
435 reg_save_code and reg_restore_code.
436 (insert_restore): Unsignetize numbers; use save_modes to choose mode
437 of spill; update use of reg_restore_code.
438 (insert_save): Likewise.
439 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
440 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
441 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
443 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
445 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
446 noce_try_store_flag_inc, noce_try_store_flag_mask,
447 noce_try_cmove_arith):
448 Use reversed_comparison_code instead of reverse_comparison and
449 can_reverse_comparison_p.
451 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
453 * jump.c (reversed_comparison_code_parts): Allow reversal of
454 unordered compares in -ffast-math mode; reverse ordered compares
455 for FP even w/o -ffast-math.
457 2001-02-27 Richard Henderson <rth@redhat.com>
459 * print-rtl.c (print_rtx) [i]: Don't print field five on
460 NOTEs other than NOTE_INSN_DELETED_LABEL.
462 2001-02-27 Zack Weinberg <zackw@stanford.edu>
464 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
465 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
467 2001-02-27 Diego Novillo <dnovillo@redhat.com>
469 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
470 even if walk_subtrees is 0.
471 * c-semantics.c (prune_unused_decls): Return a non-null value to
472 stop traversing the tree chain.
474 2001-02-27 DJ Delorie <dj@redhat.com>
476 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
477 register, *then* define it as the new CFA.
479 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
481 * pa.c (override_options): Promote -fpic to -fPIC.
482 (legitimize_pic_address): Simplify due to removal of
483 small PIC as a code generation option.
484 (secondary_reload_class): Similarly.
485 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
486 (PRINT_OPERAND_ADDRESS): Similarly.
487 * pa.md (various patterns): Similarly.
488 (small pic lo_sum pattern): Remove.
490 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
493 * md.texi (min, max): Document
495 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
497 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
498 TARGET_PARTIAL_REG_DEPENDENCY.
499 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
501 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
503 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
505 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
507 * mips.c (mips_make_temp_file): Fix thinko in last change.
509 2001-02-26 Jason Eckhardt <jle@redhat.com>
511 * combine.c (known_cond): Do not reverse the condition when
512 SMAX/UMAX is being considered and the condition is for equality
515 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
517 2001-02-26 Philip Blundell <philb@gnu.org>
519 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
521 * config/arm/linux-elf.h: Remove historical relics related to
522 above configurations.
523 * config/arm/linux-oldld.h: Delete.
524 * config/arm/linux-elf26.h: Delete.
526 2001-02-26 Jason Merrill <jason@redhat.com>
528 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
530 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
531 recognize a tentative definition. Lose obsolete code.
533 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
534 variables unless necessary, either.
536 2001-02-25 Richard Henderson <rth@redhat.com>
538 * ifcvt.c (struct noce_if_info): Add test_bb.
539 (noce_get_alt_condition): New.
540 (noce_try_minmax, noce_try_abs): New.
541 (noce_operand_ok): New.
542 (noce_process_if_block): Use them.
543 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
545 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
547 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
550 2001-02-25 Zack Weinberg <zackw@stanford.edu>
552 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
553 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
555 (mips_asm_file_end): Free temp_filename here.
557 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
559 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
560 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
562 * config/i386/i386.md (movstrsi): Handle FAIL case.
564 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
566 * cppinit.c (builtin_array): Update.
567 (init_builtins): Flag builtins to warn if redefined or
568 undefined. Define __GXX_WEAK as a normal macro.
569 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
570 * cpplib.h (NODE_WARN): New flag.
571 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
572 Handle __STDC__ as a builtin only on Solaris.
573 (warn_of_redefinition): Renamed from check_macro_definition.
574 Reverse sense of test. Always warn if NODE_WARN.
575 (_cpp_create_definition): Use warn_of_redefinition. Flag
576 any macro beginning with "__STDC_" to require a mandatory
577 warning if redefined or undefined.
579 2001-02-24 Zack Weinberg <zackw@stanford.edu>
581 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
582 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
583 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
584 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
585 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
586 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
588 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
589 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
590 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
591 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
592 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
594 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
595 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
598 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
599 Delete now-empty file.
601 * alpha/vms.h: Define NEED_ATEXIT here...
602 * alpha/xm-vms.h: ...not here.
604 * i386/cygwin.h: Don't define PARAMS.
605 * mips/mips.c: Don't prototype mktemp. Don't define
606 P_tmpdir. Use make_temp_file to create temporary files.
607 Don't be clever and delete temporary files early.
608 * config.gcc: Drop references to deleted files. Don't define
610 * gcc.texi: Don't mention USE_PROTOTYPES.
612 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
614 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
615 (ix86_set_move_mem_attrs_1): Likewise.
616 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
617 * config/i386/i386.md (movstrsi): Call it.
619 2001-02-24 Zack Weinberg <zackw@stanford.edu>
621 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
622 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
623 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
624 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
626 (i750a-*-*): Error here if hosting on i750a.
627 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
629 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
630 Remove (empty modulo comments).
632 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
633 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
634 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
635 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
636 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
637 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
639 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
640 Remove reference to winnt.h in comment.
641 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
643 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
645 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
646 used to set another biv.
648 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
650 * tree.h (BLOCK_DEAD): New macro.
651 (struct tree_block): New flag, dead_flag.
652 * print-tree.c (print_node, case 'b'): Print missing fields.
653 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
654 * function.c (identify_blocks): Enable test for misplaced notes.
655 (all_blocks): Skip BLOCK_DEAD blocks.
656 * integrate.c (integrate_decl_tree): Likewise.
658 * errors.c (internal_error, trim_filename): New functions.
659 (fancy_abort): Call internal_error.
660 * errors.h (internal_error, trim_filename): New declarations.
662 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
664 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
666 (EXTRA_CONSTRAINT): Formatting changes.
668 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
670 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
672 2001-02-23 Per Bothner <per@bothner.com>
674 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
675 so they can be called from java/jvspec.c.
676 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
678 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
680 * i386.c (ix86_frame): New structure.
681 (ix86_compute_frame_size): Kill.
682 (ix86_compute_frame_layout): New.
683 (ix86_save_reg): New.
684 (ix86_can_use_return_insn_p): Use frame layout stuff.
685 (ix86_expand_prologue): Likewise.
686 (ix86_expand_epilogue): Likewise.
687 (ix86_initial_elimination_offset): Likewise.
688 (ix86_nsaved_regs): Use ix86_save_reg.
689 (ix86_emit_save_regs): Likewise.
691 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
693 * flow.c (find_sub_basic_blocks): New function.
694 (split_block): Be ready for basic block introduced by CODE_LABEL.
695 (commit_one_edge_insertion): Call find_sub_basic_block.
697 * flow.c (make_edges): Add edge from entry for blocks starting with
698 label having ALTERNATE_NAME
700 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
702 * function.c (epilogue_done): Be ready for first basic block not
703 containing PROLOGUE_END note.
704 (reposition_prologue_and_epilogue_notes): Avoid placing
705 PROLOGUE_END note between BASIC_BLOCK.
707 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
709 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
711 2001-02-21 DJ Delorie <dj@redhat.com>
713 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
714 check for current_function_has_nonlocal_goto from 1999-11-12.
716 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
718 * diagnostic.c (trim_filename): No longer static.
719 * toplev.h (trim_filename): Declare.
720 * rtl.c (rtl_check_failed_bounds): Call internal_error.
721 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
722 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
723 (rtvec_check_failed_bounds): Likewise.
724 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
726 * convert.c (convert_to_integer): Don't do unsigned unless result or
727 both inputs are unsigned.
729 * fold-const.c (fold_convert): Don't call size_int_type_wide if
732 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
734 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
736 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
738 * Makefile.in (resource.o): Add params.h dependence.
739 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
740 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
741 * resource.c: Add dependence on params.h.
742 (current_live_regs): Fix explanatory comment.
743 (find_basic_block): Add new parameter to permit limiting search
745 (mark_target_live_regs): Add new argument to find_basic_block call.
746 (incr_ticks_for_insn): Likewise.
748 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
750 * diagnostic.c (output_to_stream): Rename to
751 output_buffer_to_stream. Loses the stream parameter.
752 (init_output_buffer): Set diagnosic_buffer's stream.
753 (flush_diagnostic_buffer): Adjust.
754 (default_print_error_function): Likewise.
755 (finish_diagnostic): Likewise.
756 (verbatim): Likewise.
758 * diagnostic.h (struct output_buffer): Add `stream' field.
759 (output_buffer_attached_stream): New macro.
761 2001-02-23 Jakub Jelinek <jakub@redhat.com>
763 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
764 check if either operand is divisible by C.
765 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
766 If type is signed, consider negative numbers as well.
768 2001-02-22 Richard Henderson <rth@redhat.com>
770 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
771 reach .text instead of gp-relative relocs.
772 * config/ia64/crtend.asm (.init): Likewise.
774 2001-02-22 Andreas Jaeger <aj@suse.de>
776 * extend.texi (C++ Attributes): Fix typo.
778 2001-02-21 David Mosberger <davidm@hpl.hp.com>
780 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
781 functions, drop current_function_args_info.words test.
782 (ia64_compute_frame_size): Mark syscall_linkage functions as
783 using eight input registers.
785 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
786 Bruce Korb <bkorb@gnu.org>
788 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
789 * fixinc/README: Document how to convert sed substitutions
790 to format style c_fix-es.
791 * fixinc/fixincl.x: regen
793 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
795 * gcc.c: Add comment explaining how to add a command-line option.
796 Add title to specs language comment.
798 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
800 * gcc.c (cc1_options): Add "-param".
801 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
802 (option_map): Likewise.
803 * toplev.c (display_help): Add entry for "--param".
804 (independent_decode_option): Fix typographical error.
806 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
807 Bernd Schmidt <bernds@redhat.com>
808 Jan Hubicka <jh@suse.cz>
810 * i386.c (function_arg_advance): Pass SSE arguments in registers.
811 (function_arg): Likewise.
813 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
815 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
817 2001-02-21 Kazu Hirata <kazu@hxi.com>
819 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
823 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
825 * flow.c (init_propagate_block_info): Canon address and use single_set
826 for killing dead memory stores.
828 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
830 * Makefile.in (reorg.o): Add params.h dependence.
831 * params.def: Fix typographical error in comment.
832 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
833 * params.h: Modify introductory comment.
834 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
835 * reorg.c: Add dependence on params.h.
836 (redundant_insn): Add parameterized throttle for search.
837 (fill_simple_delay_slots): Add a comment explaining a variable.
838 Move conditional out of loop, simplifying code.
839 (fill_eager_delay_slots): Fix typographical error in comment.
841 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
843 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
845 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
846 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
848 2001-02-21 Jason Merrill <jason@redhat.com>
850 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
851 (struct tree_decl): Add uninlinable bitfield.
852 * c-decl.c (duplicate_decls): Set it.
853 * integrate.c (function_cannot_inline_p): Check it.
855 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
856 DW_AT_MIPS_linkage_name to abstract methods.
857 (dwarf2out_abstract_function): Emit class context before calling
858 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
859 (gen_subprogram_die): Remove obsolete code.
860 (gen_member_die): Don't include clones in the member list.
861 (gen_decl_die): Emit abstract info for clone origin.
862 * dwarfout.c (output_type): Don't include clones in the member list.
863 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
864 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
865 DECL_ABSTRACT on a function that already has it set.
867 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
868 (get_subprogram_die): Pass it in.
870 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
872 * flow.c (mark_set_1): Make not_dead unsigned long. For
873 non-pseudos, use it as a bitmask of the hard regs that
876 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
878 * cppfiles.c: Update comments.
879 (_cpp_read_file): Don't check for NULL filenames any more.
880 * cppinit.c (cpp_start_read): Don't do canonicalization of
881 in_fname and out_fname. Use the passed file name exclusively.
882 (_cpp_handle_options): Don't treat "-" as a command line option,
883 but as a normal filename.
884 (_cpp_post_options): Canonicalize in_fname and out_fname.
885 * cppmain.c (printer_init): Don't check out_fname for NULL.
886 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
887 (init_c_lex): Update, and use "" to represent stdin to CPP.
890 2001-02-20 Will Cohen <wcohen@redhat.com>
892 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
893 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
894 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
897 2001-02-20 Stan Shebs <shebs@apple.com>
899 * config/rs6000/rs6000.c (output_cbranch): Output branches
900 on separate lines instead of using ';' to separate.
902 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
904 * cppinit.c (set_lang): Move builtin handling to...
905 (init_builtins): ...here.
906 (_cpp_create_reader): Move call to set_lang.
908 2001-02-20 Mark Mitchell <mark@codesourcery.com>
910 * stmt.c (expand_return): If an attempt is made to return the
911 error_mar_node, treat the return like a return without a value.
913 2001-02-19 Zack Weinberg <zackw@stanford.edu>
915 * sibcall.c (skip_copy_to_return_value): Call
916 identify_call_return_value here, and return orig_insn if it
917 returns zero. Hardret and softret arguments now unnecessary.
918 (call_ends_block_p): Don't call identify_call_return_value here.
920 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
922 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
923 * ggc.h (ggc_mark_if_gcable): Delete prototype.
925 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
927 * pa.c (move_operand): Accept code to load the address of a
928 symbol out of the DLT as a valid move operand.
929 (print_operand, case 'A'): New to handle generating a DLT
930 reference for a LO_SUM expression.
931 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
932 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
934 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
936 * README, cpp.texi, gcc.texi, version.c: Update version number to
938 * cpp.1, gcov.1, gcc.1: Regenerate.
940 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
942 * cppfiles.c (stack_include_file): Generate dependencies
943 here, and manage include_count here too.
944 (PRINT_THIS_DEP): Delete.
945 (_cpp_execute_include): Do not generate dependencies here,
946 apart from the case of a missing header. Do not manage
948 (_cpp_read_file): Leave dependency generation to
951 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
953 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
954 target_cpu_default. Remove dead assignment to
957 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
959 * regclass.c (contains_reg_of_mode): Make global.
960 (init_reg_sets): Remove contains_reg_of_mode; take into account
961 CLASS_MAX_NREGS when looking for the proper mode.
962 (dump_regclass): Dump only classes considered for the pseudo.
963 (regclass): Use contains_reg_of_mode.
965 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
967 * gcc.c (do_spec_1): 'n' for printing notices.
968 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
970 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
972 * reg-stack.c (next_flags_user): Use current_block->end
973 (swap_rtx_condition): Look for next user if flags don't die;
974 give up on CALL_INSNs; use current_block->end.
976 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
978 * sibcall.c (call_ends_block_p): New function.
979 (optimize_sibling_and_tail_recursive_call): Use it.
981 2001-02-18 Kazu Hirata <kazu@hxi.com>
983 * config/h8300/h8300.md: Update copyright.
984 (andsi3): Do not output an extra newline character.
986 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
988 * toplev.c (note_deferral_of_defined_inlined_function): Argument
989 FNDECL may be unused.
991 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
992 follow jumps after first run.
993 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
994 it doesn't change any jumps.
996 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
998 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
999 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1000 (mostlyclean): Corresponding changes.
1001 * rtlanal.c (hard-reg-set.h): Include.
1002 (rtx_unstable_p): Do not treat the argument pointer specially
1003 if it is not a fixed register.
1004 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1006 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1008 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1009 against last real insn in basic block.
1010 Rework to avoid gotos.
1012 * Makefile.in (gcse.o): Now includes ggc.h.
1013 * gcse.c: Include ggc.h.
1014 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1015 (try_replace_reg): Remove warning of uninitialize variable.
1016 (process_insert_insn): Call invalid_insn_p to validate insn.
1017 * recog.c (insn_invalid_p): Now global.
1018 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1019 * recog.h (insn_invalid_p): New declaration.
1021 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1023 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1024 assignments from FP constants since 'Y' output code can't handle it.
1025 (eligible_for_sibcall_delay): Likewise.
1027 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1028 Call fancy_abort directly, passing args.
1029 (print_rtl_and_abort): Now a macro, like fancy_abort.
1031 * final.c (output_operand_lossage): Use internal_error, not error.
1033 2001-02-18 Shane Nay <shane@agendacomputing.com>
1035 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1036 structure shift insns.
1038 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1040 * invoke.texi (-fsquangle): Remove documentation.
1041 (-fname-mangling-version): Likewise.
1043 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1045 * optabs.c (expand_abs): Remove reference to
1046 HAVE_contitional_arithmetic.
1047 * combine.c (simplify_set): Likewise.
1049 2001-02-18 Richard Henderson <rth@redhat.com>
1051 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1054 2001-02-18 Richard Henderson <rth@redhat.com>
1056 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1058 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1060 * reload1.c (reload_cse_simplify_set): Fix typo.
1062 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1064 * diagnostic.c (_fatal_insn): Decrement errorcount.
1066 * invoke.texi (-I): Add note avoiding use for system header files.
1068 * rtl.h (add_clobbers): Remove duplicate declaration.
1069 * recog.h (added_clobbers_hard_reg_p): New declaration.
1070 * genemit.c (struct clobber_pat): New field has_hard_reg.
1071 (gen_insn): Record if added clobbers clobber hard reg.
1072 (gen_split): Avoid unused warning if number of operands is 0.
1073 (output_added_clobbers_hard_reg_p): New function.
1076 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1078 * pa.c (hppa_expand_prologue): Simplify code storing return
1079 pointer. For large (>=8k) frames with a post_store, adjust stack
1080 pointer by 8k-64 first rather than by 64. When testing with
1081 VAL_14_BITS_P, always use the actual value rather than the value
1082 negated. Add blockage to prevent scheduling of spills before
1083 stack frame has been created.
1084 (hppa_expand_epilogue): Simplify code loading return pointer.
1085 Allow a slightly larger range for merge_sp_adjust_with_load case.
1086 When testing with VAL_14_BITS_P, always use the actual value.
1088 * pa.c (pa_adjust_insn_length): Check that block move
1089 pattern is a set before looking at operands.
1091 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1093 * fold-const.c (fold_binary_op_with_conditional_arg): New
1094 function, split out from ...
1096 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1097 conditional arms that throw exceptions.
1099 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1102 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1104 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1105 define HAVE_DECL_* to 1 to mask potential backup declarations.
1106 * configure: Regenerated.
1108 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1110 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1112 2001-02-17 Richard Henderson <rth@redhat.com>
1114 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1115 when replacing a memory load with a register.
1117 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1118 Jan Hubicka <jh@suse.cz>
1120 * recog.c (validate_replace_src_1): New.
1121 (validate_replace_src_data): Likewise.
1122 (validate_replace_src): Use note_uses.
1123 * rtl.h (note_uses): Declare.
1124 * rtlanal.c (note_uses): New.
1126 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1128 * reg-stack.c (stack_def): Make field reg unsigned.
1129 (remove_regno_note): Unsignetize parameter.
1131 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1133 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1134 shladd_operand() call.
1136 2001-02-16 Bruce Korb <bkorb@gnu.org>
1137 Rodney Brown <RodneyBrown@mynd.com>
1139 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1140 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1141 machine restrictions
1142 * fixinc/fixincl.x: regen
1144 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1146 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1148 (hash_scan_insn): Clean up calls to hash_scan_set.
1149 (compute_kill_rd): REGNO now unsigned.
1150 (try_replace_reg): Rework to use simplify_replace_rtx.
1151 (cprop_jump, cprop_cc0_jump): Likewise.
1152 (cprop_insn): Call find_reg_equal_equiv_note.
1153 Reflect changes to cprop_jump and cprop_cc0_jump.
1155 * recog.c (validate_replace_src): Replace in operands of
1156 ZERO_EXTRACT in SET_DEST.
1158 * cse.c (new_label_ref): New variable.
1159 (insert): Set it instead of recorded_label_ref.
1160 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1161 CODE_LABEL for this function, and not already in REG_LABEL note.
1163 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1165 * resource.c (mark_referenced_resources): Fix typo in introductory
1167 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1170 2001-02-16 Jason Merrill <jason@redhat.com>
1172 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1174 (gen_subprogram_die): Don't abort on seeing a second definition if
1175 the previous one was abstract. Don't replace an abstract instance
1176 in the lookup table.
1178 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1179 gen_abstract_function.
1180 * dwarf2out.h: Declare it.
1181 * toplev.c (note_outlining_of_inline_function): New fn.
1182 * toplev.h: Declare it.
1183 * integrate.c (output_inline_function): Call it.
1184 * c-decl.c (duplicate_decls): Call it when redefining an extern
1185 inline. Don't inline the new defn.
1187 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1189 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1191 * .gdbinit: Rename to gdbinit.in.
1192 * gdbinit.in: New file,
1193 * configure.in: Generate .gdbinit from gdbinit.in.
1194 * configure: Regenerated.
1195 * Makefile.in (distclean): Always remove .gdbinit.
1197 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1199 * objc/objc-act.c (start_class): Register implemented_classes with
1202 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1204 * cppfiles.c (_cpp_make_system_header): Generate a file
1207 2001-02-15 Jim Meyering <meyering@lucent.com>
1209 * Makefile.in (install-common): Don't depend on installdirs here.
1210 Instead, make each of the lang.install-common targets (e.g.,
1211 c++.install-common in cp/Make-lang.in) depend on it.
1212 (install-driver): Depend on installdirs.
1214 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1216 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1218 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1221 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1223 * invoke.texi (--param): Document.
1225 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1227 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1229 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1231 * i386.md (extendsfdf2_2): Fix constraints.
1233 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1235 * i386.md (fop_df_3 splitter): Fix operand number.
1237 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1239 * invoke.texi (-mreg-alloc): Nuke.
1240 * i386.c (ix86_reg_alloc_order, regs_allocated,
1241 order_regs_for_local_alloc): Nuke.
1242 (override_options): Kill reg_alloc code.
1243 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1244 (REG_ALLOC_ORDER): SSE goes before I387.
1245 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1246 (ix86_reg_alloc_order): Likewise.
1247 * i386-protos.h (ix86_reg_alloc_order): Kill.
1249 2001-02-14 Richard Henderson <rth@redhat.com>
1251 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1253 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1255 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1257 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1259 * i386-protos.h (ix86_memory_move_cost): Move offline.
1260 * i386.c (ix86_register_move_cost): Compute properly cost of
1261 SSE, MMX and i387 instructions.
1262 (*_cost): Add costs of SSE/MMX moves.
1263 (ix86_memory_move_cost): Move offline from ....; Likewise.
1264 * i386.h (MEMORY_MOVE_COST): .... here;
1265 (struct processor costs): Add new fields to represent costs
1268 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1270 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1271 move_cost together with Matt Kraai's fix.
1273 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1275 * Makefile.in (OBJS): Add params.o.
1277 2001-02-14 Richard Henderson <rth@redhat.com>
1278 DJ Delorie <dj@redhat.com>
1280 * jump.c (jump_optimize_1): When we delete a conditional jump
1281 preceeding a non-conditional jump to effectively the same place,
1282 make sure that the combined jump skips any clobber insns between
1285 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1287 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1289 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1291 * Makefile.in (toplev.o): Depend on params.h.
1292 (intergate.o): Likewise.
1293 (params.o): New target.
1294 * flags.h (inline_max_insns): Remove.
1295 * integrate.c: Include params.h.
1296 Use MAX_INLINE_INSNS instead of inline_max_insns.
1297 * params.c: New file.
1298 * params.h: Likewise.
1299 * params.def: Likewise.
1300 * toplev.c: Include params.h.
1301 (lang_independent_params): New variable.
1302 (decode_f_option): Use the param machinery instead of setting
1304 (independent_decode_option): Handle "--param name=value".
1305 (main): Register language-independent parameters.
1307 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1309 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1311 2001-02-14 Richard Henderson <rth@redhat.com>
1313 * regclass.c (init_reg_sets_1): Revert last two changes.
1315 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1317 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1318 (variable_size): Call put_pending_size.
1319 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1320 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1321 sizes list, put newly created SAVE_EXPR there as well.
1323 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1325 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1326 (errata_find_address_regs): load_group has only 2 entries.
1327 (errata_emit_nops): Likewise. shladd is not problematic.
1328 Clear last_group if nop was emitted.
1329 (fixup_errata): load_group has only 2 entries.
1332 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1334 * c-lex.c (lex_number): Only warn traditionally for U suffix
1335 outside system macros.
1336 * cppexp.c (parse_number): Similarly.
1337 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1338 * cppmacro.c (struct cpp_macro): New member node.
1339 (parse_args): Only warn about missing rest args if not
1341 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1342 (cpp_sys_objmacro_p): New.
1343 (_cpp_create_definition): Store the node with the macro defn.
1344 Remember if the macro is defined in a system header.
1346 2001-02-13 DJ Delorie <dj@redhat.com>
1348 * configure.in (check_languages): determine languages to check
1349 * Makefile.in (check-c++): alias for check-g++
1350 (check-f77): alias for check-g77
1351 (CHECK_TARGETS): depend on configured languages
1353 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1355 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1356 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1357 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1358 (sqrtextendsfdf2): Disable for SSE2.
1360 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1362 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1363 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1364 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1365 (sqrtextendsfdf2): Disable for SSE2.
1367 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1369 * i386.md (movsfcc_1): Support integer cmove instruction.
1370 (movdfcc_1): Likewise; new splitter.
1372 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1374 * i386.c (output_fp_compare): Support SSE.
1375 (prepare_fp_compare_args): SSE comparisons always support memory.
1376 * i386.h (TARGET_CMOVE): SSE imply cmove.
1377 * i386.md (cmp?f2): Enable for SSE too.
1378 (cmpfp_i*): Support SSE.
1380 (cmpfp_i_sse_only): New.
1381 (s*, b* fp expanters): Enable for SSE too.
1382 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1385 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1387 * regclass.c (init_reg_sets_1): Silence warning.
1389 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1391 * i386.md (sqrt?f2): Change to expander.
1392 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1394 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1396 * rtlanal.c (find_reg_equal_equiv_note): New function.
1397 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1398 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1399 * rtl.h: Add declarations for above functions.
1401 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1403 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1405 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1406 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1407 * flow.c (mark_regs_live_at_end): Likewise.
1408 (calculate_global_regs_live): Likewise.
1409 * gcse.c (compute_hash_table): Likewise.
1410 (compute_kill_rd): Likewise.
1411 * resource.c (mark_target_live_regs): Likewise.
1412 * rtl.h (INVALID_REGNUM): New macro.
1414 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1416 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1418 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1420 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1423 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1425 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1427 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1428 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1429 (fop_sf_1_sse, fop_df_1_sse): New patterns
1430 (fop_*): Disable float_extend and float patterns for SSE compilation.
1431 * i386.c (output_387_binary_op): Support SSE.
1433 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1435 * i386.md (dummy_extendsfdf2): Support SSE2
1436 (extendsfdf2): Enable if 80387 or SSE2.
1437 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1438 and no MIX_I387_SSE2
1439 (extendsfdf2_1_sse_only): New pattern.
1440 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1442 (truncdfsf2_1): Support SSE.
1443 (truncdfsf2_2): Support SSE.
1444 (truncdfsf2_2_1_sse): New pattern.
1445 (fixtruncsfsi2): Always use SSE if available.
1446 (fix_truncsfsi_sse): New pattern.
1447 (fix_truncdfsi_sse): New pattern.
1448 (floatsis?f2): Support SSE.
1449 (floatsidf2_i387): New pattern.
1450 (floatsidf2_sse): Likewise.
1452 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1454 * configure.in: Use "have_gnat" variable, not "gnat".
1455 * configure: Regenerated.
1457 * config/sparc/sparc.c (function_value): Treat all non-record
1458 aggregate types like used to treat UNION_TYPE.
1460 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1462 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1463 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1465 (MASK_MIX_SSE_I387): New.
1466 (TARGET_SSE): SSE2 imply SSE.
1467 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1468 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1469 (enum reg_class): Add new classes.
1470 (REG_CLASS_NAMES): Likewise.
1471 (REG_CLASS_CONTENTS): Likewise.
1472 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1473 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1474 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1475 (CLASS_MAX_NREGS): Use new macros.
1476 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1477 * i386.md (pushsf, movsf): Support SSE.
1478 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1479 splitters to use ANY_FP_REGNO_P.
1480 (movdf_nointeger, movdf_integer): Likewise.
1482 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1484 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1485 (try_combine): Use it.
1487 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1489 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1490 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1491 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1492 (REGISTER_MOVE_COST): Likewise.
1493 * i386-protos.h (ix86_secondary_memory_needed,
1494 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1495 * i386.c (ix86_secondary_memory_needed,
1496 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1498 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1500 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1501 (HARD_REGNO_MODE_OK): Move offline to ....
1502 * i386.c (ix86_hard_regno_mode_ok) ... here;
1503 refuse all incorrect modes.
1504 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1506 2001-02-13 Richard Henderson <rth@redhat.com>
1508 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1509 entire operator; replicate that and match_dup the operands.
1510 (cmp_ccx_arith_op_set): Likewise.
1511 (cmp_cc_arith_op_not_set): Likewise.
1512 (cmp_ccx_arith_op_not_set): Likewise.
1514 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1516 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1518 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1520 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1521 (TARGET_NO_BITFIELD_WORD): New macro.
1522 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1523 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1525 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1527 * cselib.c: New file, from simplify-rtx.c.
1528 * simplify-rtx.c: Remove cselib parts.
1529 * Makefile.in: Add cselib.o.
1531 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1533 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1534 (setup_incoming_varargs): Remove warning.
1536 * config/rs6000/rs6000.c (validate_condition_mode): When
1537 flag_fast_math, allow floating-point conditionals to be reversed.
1538 (rs6000_generate_compare): When flag_fast_math, don't generate
1539 cror operations for FP conditionals.
1541 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1543 (ASM_SPEC): Likewise.
1544 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1545 (CC1_SPEC): Likewise.
1546 (LINK_TARGET_SPEC): Likewise.
1547 (CPP_ENDIAN_SPEC): Likewise.
1548 * Makefile.in (check-consistency): New target.
1550 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1552 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1553 "return type defaults" warning for functions with return type
1555 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1556 function declarations by default rather than only when pedantic.
1558 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1560 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1563 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1565 * extend.texi (Deprecated): Deprecate new initializer lists.
1567 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1569 * mkdeps.c (deps_add_default_target): Robustify. Add
1570 basename component only.
1571 * cpp.texi (-M): Describe how default target is generated.
1572 * invoke.texi (-M): Likewise.
1574 2001-02-12 Kazu Hirata <kazu@hxi.com>
1576 * toplev.c (push_float_handler): Remove.
1577 (pop_float_handler): Remove.
1578 * toplev.h: Remove prototypes for the above functions.
1580 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1582 * c-common.c (constant_fits_type_p): New function.
1583 (convert_and_check): Use it.
1585 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1587 * Makefile.in (GXX_ABI_FLAG): Don't define.
1588 * configure.in (--enable-new-gxx-abi): Remove option.
1589 * config.in: Regenerated.
1590 * configure: Likewise.
1592 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1594 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1596 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1597 regular basic block, and arrange for all edges into it to switch
1600 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1602 * Makefile.in (distclean): Do not remove .gdbinit.
1604 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1606 * Makefile.in (gcc.o): Fix typos.
1607 (protize.o): Likewise.
1608 (unprotoize.o): Likewise.
1610 2001-02-11 Richard Henderson <rth@redhat.com>
1612 * tree.c (build1): Check for null operand in last change.
1614 2001-02-11 Richard Henderson <rth@redhat.com>
1616 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1617 (fold): Don't assume a constant isn't foldable.
1618 * tree.c (build): Set TREE_CONSTANT for an expression with no
1619 side-effects and constant operands.
1622 2001-02-10 Richard Henderson <rth@redhat.com>
1624 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1626 2001-02-10 Anthony Green <green@redhat.com>
1628 * cpp.texi (Standard Predefined): Add documentation for
1631 * c-common.c (combine_strings): Improve warning message.
1633 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1635 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1637 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1639 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1641 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1644 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1646 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1649 2001-02-09 Nick Clifton <nickc@redhat.com>
1651 * config/arm/arm.md: Change output contraint on post inc
1652 load/store multiple patterns to be a read/write contraint.
1654 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1656 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1657 .o files when using the -M options.
1659 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1660 David Edelsohn <edelsohn@gnu.org>
1662 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1663 handle DImode constants. Use one TOC entry for SImode and smaller
1664 constants, aligned properly.
1666 2001-02-08 Jason Merrill <jason@redhat.com>
1668 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1669 about the SP adjustment for saving the static chain pointer.
1670 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1671 offset when setting a temporary CFA register.
1673 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1675 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1676 powerpc-*-chorusos* .
1677 * config/rs6000/chorus.h : New file.
1678 * config/i386/chorus.h : New file.
1679 * config/sparc/chorus.h : New file.
1680 * config/sparc/t-chorus-elf : New file.
1682 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1684 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1685 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1686 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1687 (__WCHAR_TYPE__): Correct macro name.
1689 2001-02-08 Richard Henderson <rth@redhat.com>
1691 * config/i386/i386.c (ix86_frame_pointer_required): New.
1692 (ix86_setup_frame_addresses): New.
1693 (struct machine_funciton): Add accesses_prev_frame.
1694 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1695 ix86_frame_pointer_required.
1696 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1697 (SETUP_FRAME_ADDRESSES): New.
1698 * config/i386/i386-protos.h: Update.
1699 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1700 from FRAME_POINTER_REQUIRED.
1701 * config/i386/svr3gas.h: Likewise.
1702 * config/i386/sysv3.h: Likewise.
1703 * config/i386/v3gas.h: Likewise.
1705 2001-02-08 Richard Henderson <rth@redhat.com>
1707 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1708 calculation of the number of integer registers required.
1709 (function_arg_record_value): Likewise.
1711 2001-02-08 Jason Merrill <jason@redhat.com>
1713 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1714 two. Print file and line with "confused" message.
1716 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1718 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1720 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1722 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1724 * final.c (cleanup_subreg_operands): The address of a MEM can
1727 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1730 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1732 * gcc.texi (Incompatibilities): Update documentation of
1733 preprocessing numbers.
1735 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1737 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1739 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1741 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1743 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1744 * gcc.c (struct compiler): Add cpp_spec field.
1745 (input_file_compiler): New variable.
1746 (do_spec_1): Allow a particular compiler to handle `%C'
1748 (main): Store the current compiler in input_file_compiler.
1749 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1751 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1753 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1754 * cppinit.c (cpp_create_reader): Initialize them.
1755 (append_include_chain): cxx_aware arg might be unused.
1756 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1757 keywords and give them their phase 7 meaning. Pedwarn about
1758 this unless '__bool_true_false_are_defined' is defined.
1760 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1762 * lcm.c (optimize_mode_switching): Emit mode_set before the
1763 JUMP_INSN of an abnormal edge.
1765 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1767 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1768 a scheduling barrier at the end.
1770 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1772 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1774 * config/sh/sh.md (reload_outsf): Removed.
1775 (movsf_ie): Introduce constraints for FPUL loads and stores.
1776 (reload_insf): Broaden the output constraint.
1778 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1780 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1781 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1783 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1785 * final.c: Revert my previous changes.
1786 * output.h: Make profile_label_no extern.
1787 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1788 for generating label.
1790 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1792 * config/i386/djgpp.h: Add comments about standard paths.
1793 (MD_EXEC_PREFIX): Undefine before defining.
1794 (MD_STARTFILE_PREFIX): New.
1796 2001-01-30 Bruce Korb <bkorb@gnu.org>
1798 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1799 (load_file): do not rely on load_file_data() to close file pointer
1800 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1801 fixinc/inclhack.def(irix_limits_const): add test_text
1803 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1805 * cppexp.c (parse_defined): Improve diagnostics for invalid
1808 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1810 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1812 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1814 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1815 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1816 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1817 (rs6000_output_symbol_ref): New function.
1818 (output_toc): Use VTABLE_NAME_P.
1820 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1822 * print-tree.c (print_node, case PARM_DECL):
1823 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1825 * stor-layout.c (reference_types_internal): New variable.
1826 (internal_reference_types): New function.
1827 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1828 * tree.h (internal_reference_types): New declaration.
1830 * cse.c (find_best_addr): Fix typo in computing cost.
1832 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1834 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1835 and this is the sum of a pointer and a constant, we know the result
1837 (num_sign_bit_copies, case PLUS): Likewise.
1838 * explow.c (convert_memory_address): Remove opposite SUBREG.
1839 * function.c (instantiate_new_reg): New function (from common code).
1840 (instantiate_virtual_regs_1): Call it.
1841 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1842 if pointers sign- or zero-extend.
1843 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1844 If pointers extend unsigned, use inside of SUBREG.
1845 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1847 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1849 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1850 subdir of gcc_gxx_include_dir.
1851 (gcc_gxx_target_include_dir): Remove.
1853 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1855 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1856 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1857 a high-level description.
1859 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1861 * final.c: Move the declaration of profile_label_no to ...
1862 * output.h: ... here.
1863 * function.c (expand_function_start): Call PROFILE_HOOK.
1864 * config/rs6000/aix.h: Define PROFILE_HOOK.
1865 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1866 * config/rs6000/rs6000.c (output_profile_hook): Define.
1867 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1868 output_profile_hook.
1869 tm.texi : Explain new macro PROFILE_HOOK.
1871 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1873 * extend.texi (Extended Asm): Do not say that semicolon is always
1874 a valid line-breaking character for GNU assemblers. Use
1875 newline-tab as the most commonly supported syntax. Use
1876 newline-tab rather than semicolon in multi-insn examples.
1878 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1880 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1882 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1883 David Edelsohn <edelsohn@gnu.org>
1885 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1886 code for AIX, even without flag_pic.
1888 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1890 * c-typeck.c (common_type): push and pop binding level around
1891 calling common_type on function parameters.
1893 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1895 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1897 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1899 * config/mips/mips.c (override_options): Fix typo in last change.
1900 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1901 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1903 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1905 * invoke.texi (-fdump-class-layout): Document.
1906 (-fdump-translation-unit): Use `=' as filename separator.
1908 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1910 * Makefile.in (s-mlib): Don't build multilibs if
1912 (DRIVER_DEFINES): Adjust accordingly.
1914 (protoize.o): Likewise.
1915 (unprotoize.o): Likewise.
1916 * configure.in: Recognize --enable-multilib.
1918 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1920 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1922 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1923 * configure.in: Remove --enable-libstdcxx_v3 support.
1924 * configure: Regenerated.
1926 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1928 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1929 Call abort instead of fatal.
1930 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1931 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1932 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1933 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1934 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1935 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1937 * diagnostic.h (set_internal_error_function): Renamed.
1938 * toplev.h (internal_error): Renamed from fatal.
1939 (pfatal_with_name): Deleted.
1940 (fatal_io_error): Now has printf-style arguments.
1941 * diagnostic.c (pfatal_with_name): Deleted.
1942 (fatal_io_error): Rework to have args in printf-style.
1943 (set_internal_error_function): Renamed from set_fatal_function.
1944 (internal_error): Renamed from fatal.
1945 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1946 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1947 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1948 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1949 * flow.c (verify_flow_info): Likewise.
1950 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1951 * config/mips/mips.c (save_restore_insns): Likewise.
1953 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1954 * flow.c (verify_flow_info): Likewise.
1955 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1956 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1957 (avr_normalize_condition): Likewise.
1958 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1959 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1960 (limit_reload_class, double_reg_to_memory): Likewise.
1961 (print_operand_address, emit_1600_code_shift): Likewise.
1962 (gen_tst_reg, gen_compare_reg): Likewise.
1963 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1964 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1966 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1968 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1969 * objc/objc-act.c (build_ivar_chain): Likewise.
1970 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1972 * graph.c (clean_graph_dump_file): Likewise.
1973 * profile.c (init_branch_prob): Likewise.
1974 * objc/objc-act.c (objc_init): Likewise.
1976 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1977 * config/avr/avr.c (avr_override_options): Likewise.
1978 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1979 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1980 * config/h8300/h8300.c (h8300_init_once): Likewise.
1981 * config/mips/mips.c (override_options): Likewise.
1982 * config/i386/i386.c (override_options): Likewise, rework.
1983 * config/m68k/m68k.c (override_options): Likewise.
1985 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1987 * config/mips/mips.c (print_operand): Likewise.
1988 * hash.c (hash_allocate): Don't check for failure returns from
1989 obstack functions that can't fail.
1990 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1991 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1992 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1993 (get_object_reference): Likewise.
1995 2001-02-04 Nick Clifton <nickc@redhat.com>
1997 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1998 StrongARM1110, 10TDMI, and 1020T.
2000 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2002 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2004 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2006 * config/sh/sh.md (movdf load split): Pass register number to
2007 FP_OR_XD_REGISTER_P.
2009 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2011 * cppinit.c (BC): New macro.
2012 (builtin_array): Add __GXX_WEAK__.
2013 * cpplib.h (builtin_type): Add BT_WEAK.
2014 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2015 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2016 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2018 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2020 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2022 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2024 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2025 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2027 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2029 * cpphash.h: Rename ALIGN _ALIGN.
2030 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2032 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2034 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2035 compilation environment.
2036 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2037 control over location of cygwin includes and libs.
2039 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2041 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2043 2001-02-02 lars brinkhoff <lars@nocrew.org>
2045 * md.texi (Standard Names): remove reference to spur.md.
2047 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2049 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2050 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2051 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2052 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2053 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2055 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2057 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2058 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2059 number before reload.
2060 (c4x_adjust_cost): Return zero before reload.
2061 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2062 split before reload.
2064 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2066 * c4x.c (c4x_hard_regno_rename_ok): New.
2067 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2068 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2070 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2072 * diagnostic.h: Add missing "extern" in all declarations.
2074 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2076 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2077 as for gcc_gxx_include_dir.
2079 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2081 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2083 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2085 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2086 label before alignment to be used as the braf base address.
2087 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2089 (casesi_jump_2): Require at least TARGET_SH2.
2091 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2092 truncation to 32-bit doubles on -m3e and -m4-single-only.
2094 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2096 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2097 the default when building a shared object.
2098 (init_spec): Use it.
2099 * testsuite/lib/g++.exp: Include the directory where libgcc
2100 is located to the LD_LIBRARY_PATH list.
2101 * invoke.texi (-shared-libgcc): Document the cases in which
2102 GCC defaults to using the shared libgcc.
2104 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2106 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2107 unsigned is wide enough.
2109 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2110 (si_to_float): Likewise.
2111 (float_to_si, float_to_usi): Use BITS_PER_SI.
2113 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2115 * dwarf2out.c: Added explanation of abbreviations.
2116 (def_cfa_1): Added comments listing DWARF2 instructions.
2117 (cfa_temp_reg): Removed in favor of cfa_temp.
2118 (cfa_temp_value): Removed in favor of cfa_temp.
2119 (cfa_temp): New global variable.
2120 (dwarf2out_frame_debug_expr): Added extensive introductory
2121 comments explaining the function's transformations. Revised to
2122 use cfa_temp. Added some rtx checking. Generalize IOR case.
2123 (dwarf2out_frame_debug): Revised to use cfa_temp.
2124 (output_aranges): Cast as "unsigned" to avoid warning.
2125 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2126 explain which instructions must be marked.
2128 2001-02-01 Richard Henderson <rth@redhat.com>
2130 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2133 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2135 * config/sh/crt1.asm (main_k): Modified so that start calls
2136 ___setup_argv_and_call_main.
2138 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2140 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2141 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2142 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2143 * cppmacro.c (builtin_macro): Set builtin flags here.
2144 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2145 (replace_args): Clarify intent.
2146 (cpp_get_token): Macro expansion tokens get the saved flags.
2148 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2151 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2153 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2156 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2158 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2159 returns Pmode pseudo, but we need ptr_mode.
2160 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2161 Remove bogus conversions; use HOST_WIDE_INT for size.
2162 Don't use TARGET if wrong mode.
2164 * config/i386/i386.c (ix86_compute_frame_size): Allow
2165 stack_alignment_needed to be non-default even if size is zero.
2167 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2169 * (hppa_init_pic_save): Emit the pic offset table
2170 reg save after last_parm_insn.
2171 * pa.c (hppa_init_pic_save): New function.
2172 * pa.h (hppa_init_pic_save): Declare.
2173 * pa.md (call, call_value, sibcall, sibcall_value): Use
2174 the above instead of duplicated code.
2176 * pa.c (hppa_encode_label): Correct size of alloca buffer
2177 so we don't overrun it. Correct leading `*' case.
2178 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2179 need to handle `*@'.
2180 (FUNCTION_NAME_P): Likewise.
2182 2001-01-31 Richard Henderson <rth@redhat.com>
2184 * config.gcc (alpha-osf5): Use float-i128.h.
2186 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2187 * config/float-i32.h: Likewise.
2188 * config/float-i64.h: Likewise.
2189 * config/float-sh.h: Likewise.
2190 * config/float-sparc.h: Likewise.
2192 2001-01-31 DJ Delorie <dj@redhat.com>
2194 * expmed.c (extract_bit_field): allow non-integral modes if we
2195 want to extract a whole register from itself.
2197 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2199 * c-typeck.c (set_init_index): If first is equal to last, assume as
2200 if it was not a range at all.
2202 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2204 * config/fp-bit.c: Include tm.h.
2205 (float_to_si): Don't assume SImode is 32-bits wide.
2206 (float_to_usi): Likewise.
2208 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2210 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2212 (typename): Call pending_xref_error after parsing typed_typespecs.
2213 * c-decl.c (lookup_tag): Give error immediately rather than
2214 leaving it pending if the tag of the wrong type is in the same
2216 (xref_tag): Don't pedwarn for forward declarations of enum types
2218 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2221 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2223 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2225 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2227 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2228 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2230 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2232 * cpphash.h (struct cpp_reader): New saved_flags.
2233 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2234 to avoid a paste after a pasted token.
2236 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2238 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2239 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2240 Wtype_MIN instead of LONG_MIN.
2242 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2244 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2246 * fixinc/fixincl.x: Regenerated.
2247 * fixinc/inclhack.def (irix_limits_const): New definition to
2248 convert "const" to "__const" in limits.h.
2250 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2252 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2254 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2256 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2257 when register dies in the insn.
2259 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2261 * diagnostic.c (fatal): Fix word wrap.
2263 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2265 * combine.c (try_combine): Fix SUBREG setting for
2266 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2268 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2270 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2273 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2275 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2277 * toplev.c (decode_W_option): Update warn_larger_than
2278 unconditionally for each processed switch.
2280 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2282 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2284 (hppa_expand_prologue): Delete code to save pic offset table register
2285 in the function prologue.
2286 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2287 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2288 table register at the beginning of the function after the prologue.
2290 2001-01-29 lars brinkhoff <lars@nocrew.org>
2292 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2294 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2295 Jeff Law <law@redhat.com>
2297 * pa.md (return): Revise comment for trivial return.
2298 (return_internal): Non-trivial return pattern for non-PIC code.
2299 (return_internal_pic): Non-trivial return pattern for PIC code.
2300 It uses the PIC register to ensure it is restored after
2302 (epilogue): Generate appropriate return for PIC and non-PIC code.
2304 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2306 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2308 2001-01-29 DJ Delorie <dj@redhat.com>
2310 * combine.c (if_then_else_cond): Pass the correct mode to
2311 operand_subword() for constants.
2313 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2315 * config/i386/cygwin.h: Add w32api to include search. Search different
2316 directories in a cross-build environment.
2318 2001-11-29 Tim Josling <tej@melbpc.org.au>
2320 * tree.h (TYPE_STUB_DECL): Add documentation.
2322 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2324 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2325 (sdbout_field_types): Likwise. Fix use of host_integerp.
2327 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2329 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2332 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2334 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2335 to use flag_gnu_linker.
2337 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2339 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2340 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2342 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2344 * tree.c, tree.h (build_parse_node): Remove; was identical to
2346 * c-lang.c (start_cdtor), objc/objc-act.c
2347 (build_module_descriptor): Use build_nt instead of
2350 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2352 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2353 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2354 not have any upper bits set.
2356 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2358 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2360 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2362 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2364 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2366 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2367 (integer_minus_one_node): Define.
2369 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2371 * Makefile.in (bootstrap2-lean): Fix typo.
2373 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2375 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2376 : Don't set fe_value.
2377 * cpplib.h (AVOID_LPASTE): New flag.
2378 (struct cpp_hashnode): Remove fe_value.
2379 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2380 * cppmacro.c (builtin_macro): Don't set flags here.
2381 (replace_args): Set AVOID_LPASTE flag on first token of an
2382 argument, and the token following it.
2383 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2384 macro expansion, and on the token following it. Do it for
2386 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2388 2001-01-27 Richard Henderson <rth@redhat.com>
2390 * config/alpha/t-ieee: Remove multilibbing.
2391 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2393 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2395 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2397 * Makefile.in: Remove all dependencies on defaults.h.
2398 * builtins.c: Don't include defaults.h.
2399 * c-common.c: Likewise.
2400 * c-decl.c: Likewise.
2401 * c-pragma.c: Likewise.
2402 * c-typeck.c: Likewise.
2403 * combine.c: Likewise.
2405 * frame-ia64.c: Likewise.
2406 * cppexp.c: Likewise.
2407 * crtstuff.c: Likewise.
2408 * dbxout.c: Likewise.
2409 * dwarf2out.c: Likewise.
2410 * dwarfout.c: Likewise.
2411 * emit-rtl.c: Likewise.
2412 * except.c: Likewise.
2414 * final.c: Likewise.
2415 * frame-dwarf2.c: Likewise.
2416 * libgcc2.c: Likewise.
2417 * optabs.c: Likewise.
2418 * profile.c: Likewise.
2419 * sdbout.c: Likewise.
2420 * toplev.c: Likewise.
2421 * tradcif.y: Likewise.
2423 * varasm.c: Likewise.
2425 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2427 * builtins.c (expand_builtin_fputs): Use size_one_node when
2428 transforming into fwrite.
2430 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2432 * extend.texi (Attribute Syntax): New section.
2434 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2436 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2437 they didn't need fixing.
2439 2001-01-27 Janis Johnson <janis@us.ibm.com>
2441 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2443 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2444 to remove macro definitions that are duplicated from elfos.h.
2446 2001-01-27 Richard Henderson <rth@redhat.com>
2448 * config/i386/sco5gas.h: Move ...
2449 * config/usegas.h: ... here.
2450 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2452 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2454 * c-typeck.c (struct constructor_stack): Add range_stack member.
2455 (really_start_incremental_init): Clear it.
2456 (push_init_level): Save constructor_range_stack and clear it if
2457 pushing explicit braces.
2458 (pop_init_level): abort if constructor_range_stack is non-zero at
2459 explicit closing brace. Restore saved constructor_range_stack if
2462 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2464 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2465 into register was forced into memory.
2467 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2469 * Makefile.in: Remove uses of + before $(MAKE).
2471 2001-01-26 Richard Henderson <rth@redhat.com>
2473 * stmt.c (cost_table): Remove.
2474 (COST_TABLE, cost_table_initialized): New.
2475 (estimate_case_costs): Use the later instead of the former.
2476 (balance_case_nodes): Likewise.
2478 2001-01-26 Richard Henderson <rth@redhat.com>
2480 * alias.c (objects_must_conflict_p): Read-only slots may not
2481 conflict despite having the same type.
2483 2001-01-27 Michael Hayes <mhayes@redhat.com>
2485 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2487 (check_ext_dependant_givs): Initialise u_start_val and
2489 (load_mems): Make last_max_reg unsigned.
2490 (try_swap_copy_prop): Use INSN_P and initialise set.
2492 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2494 * README.AVR : Removed.
2496 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2498 * pa-64.h (text_section): Remove declaration.
2500 * pa.md (return_internal): Remove mode on PIC register use.
2502 2001-01-25 lars brinkhoff <lars@nocrew.org>
2504 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2505 ASM_CLOSE_PAREN): fix typos.
2507 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2509 * acconfig.h: Define `const' to the empty string if neither
2510 __STDC__ nor __cplusplus is defined.
2511 * config.in: Regenerated.
2513 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2515 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2516 * collect2.c (main): Delete importf. Add ".obj" file extension.
2517 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2518 (aix_std_libs): Add additional AIX libraries to skip.
2519 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2520 * config/rs6000/aix51.h: New file.
2522 2001-01-25 Michael Hayes <mhayes@redhat.com>
2524 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2525 (loop_insn_emit_before): No longer static.
2526 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2527 (loop_givs_rescan, load_mems): Likewise.
2528 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2529 (maybe_eliminate_biv_1):
2530 (move_movables): Replace emit_call_insn_before with
2531 loop_call_insn_hoist.
2532 * loop.h (loop_insn_emit_before): Add.
2533 * unroll.c (copy_loop_body): Replace emit_insn_before with
2534 loop_insn_emit_before.
2536 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2538 * diagnostic.c (fatal): Request preprocessed source.
2540 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2542 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2543 olddecl has argument types and newdecl has none, use the argument
2546 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2548 * dwarf2out.c (prefix_of): New function. Determine longest common
2549 prefix of the two arguments. The units are whole path components.
2550 (output_file_names): When adding a new directory find the one entry
2551 with the longest common prefix already in the list. Artificially
2552 generate entry if there is none for this prefix.
2553 Fix test to check whether the zeroth directory entry is used.
2555 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2557 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2558 Changed all callers. Take it into account when deciding if a
2559 previously loaded value matches.
2561 2001-01-24 Richard Henderson <rth@redhat.com>
2563 * reload.c (find_reloads_subreg_address): Fail the substitution
2564 if the resulting address is insufficiently aligned.
2566 2001-01-24 DJ Delorie <dj@redhat.com>
2568 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2569 check the original operand's mode also.
2570 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2572 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2574 * c-parse.in (cast_expr): Move compound literals from here ...
2575 (primary): ... to here. Use standard terminology "compound
2576 literal" instead of "constructor expression".
2578 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2580 * gcc.1, cpp.1: Regenerate.
2582 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2584 * calls.c (emit_library_call_value_1): Memory slot for
2585 pass-by-reference argument should have the mode of the argument,
2586 not of the pointer to it.
2588 2001-01-24 Tom Tromey <tromey@redhat.com>
2590 * gcc.texi (G++ and GCC): Mention gcj manual.
2591 (Standards): Link to section of manual mentioning gcj/Java
2594 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2596 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2597 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2598 * tradcpp.c (main): Add -imacros or -include'd dependencies
2600 * cpp.texi (-M, -MM): Document -M -include behaviour.
2602 2001-01-24 Roger Collins <roger@ProProject.com>
2604 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2606 2001-01-24 Will Cohen <wcohen@redhat.com>
2608 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2609 whether registers are 32 bits or 64 bits in size.
2611 2001-01-24 Ben Elliston <bje@redhat.com>
2613 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2615 2001-01-24 Richard Henderson <rth@redhat.com>
2617 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2618 (builtin_longjmp): Use it instead of emit_indirect_jump.
2620 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2622 * bb-reorder.c (make_reorder_chain_1): Handle case where
2623 jump edge goes to the same block as the fallthru edge.
2625 2001-01-23 Jim Wilson <wilson@redhat.com>
2627 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2628 * frame.h (__ia64_personality_v1): Add prototype.
2629 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2630 prototype form. Add void * cast to first argument to personality
2632 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2633 (asctoe113): Likewise.
2634 * config/ia64/frame-ia64.c: Include eh-common.h.
2635 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2637 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2639 (itanium_split_issue): Add prototype.
2640 (gen_nop_type): Ifdef out.
2641 (find_best_packet): Initialize best_packet.
2642 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2644 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2645 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2646 (flushrs): Add explicit stop bit at end.
2647 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2650 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2652 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2654 * libgcc2.c (__terminate_func): Make variable static.
2655 (__terminate_set_func): New function to set __terminate_func.
2656 * libgcc2.h (__terminate_func_ptr): New typedef.
2657 (__terminate_set_func): New function.
2659 2001-01-23 Richard Henderson <rth@redhat.com>
2661 * flow.c (init_propagate_block_info): Don't consider unchanging
2662 memories for dead frame store elimination.
2664 2001-01-23 Richard Henderson <rth@redhat.com>
2666 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2667 * defaults.h: ... here.
2669 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2671 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2673 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2675 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2677 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2679 * rs6000.h (rs6000_return_addr): Move prototype from here...
2680 * rs6000-protos.h (rs6000_return_addr): ...to here.
2681 (rs6000_init_expanders): Delete prototype.
2683 2001-01-23 Nick Clifton <nickc@redhat.com>
2685 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2686 (Spec Files): Document %B and %j and %. and %v3 and %M and
2687 %{S*&T} spec switches.
2689 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2691 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2693 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2694 Neil Booth <neil@daikokuya.demon.co.uk>
2696 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2697 Have -Werror make pedantic warnings errors, like the
2700 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2702 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2704 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2706 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2707 * integrate.c (expand_inline_function): Initialize them.
2708 (subst_constants): If changing COMPARE so that both its arguments
2709 will be VOIDmode and the comparison mode will be lost, note
2710 compare_mode. Use the recorded compare_mode to optimize
2713 2001-01-23 Jason Merrill <jason@redhat.com>
2715 * dwarf2out.c (new_die): Use xcalloc.
2716 (output_die): Abort rather than emit a local reference to offset 0.
2718 2001-01-17 Andrew Haley <aph@redhat.com>
2720 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2721 of a saved register; return NULL instead.
2722 (copy_reg): Take a pointer to a source register rather than a
2724 (next_stack_level): Remember the address in the stack frame of all
2726 Use the saved register pointer array as the source of the CFA.
2727 (throw_helper): Rewrite. Unwind once rather than twice and keep
2728 track of saved registers as we go.
2730 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2732 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2733 * c4x.c (c4x_legitimize_reload_address): Remove.
2734 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2735 reload address for ldp(k) insn.
2737 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2739 * pa.md (return_internal): Add a USE of the PIC register to ensure
2740 it is restored after each call.
2741 (return expander): Corresponding changes.
2743 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2745 * rs6000.h (INIT_EXPANDERS): Delete.
2746 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2747 * rs6000.c (rs6000_override_options): Call *_machine_status from
2749 (rs6000_init_expanders): ...instead of here. Delete.
2750 (rs6000_mark_machine_status): New function.
2751 (rs6000_init_machine_status): Use xcalloc.
2752 (rs6000_return_addr): Generate RTX for the return address.
2753 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2754 (rs6000_stack_info): Use it.
2756 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2758 * gthr-win32.h: Include errno.h to get a declaration for
2759 EINVAL and _mingw.h if the target is mingw32.
2761 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2763 * cpp.texi: Correct typos.
2765 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2767 * explow.c (probe_stack_range): Ensure value passed to
2768 stack_check_libfunc is ptr_mode, not Pmode.
2770 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2772 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2773 case, don't use operand_subword to calculate a SUBREG that is
2776 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2778 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2780 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2781 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2782 valid. If not replace it by equivalent insns.
2784 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2786 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2787 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2788 (c4x_U_constraint, symbolic_address_operand): Likewise.
2789 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2791 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2792 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2793 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2794 anulling slot because of silicon bug.
2795 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2797 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2799 * cppexp.c (parse_charconst): Change `mask' type to agree
2802 2001-01-21 Richard Henderson <rth@redhat.com>
2804 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2805 pic_label_name in a linkonce section.
2807 2001-01-17 Philipp Thomas <pthomas@suse.de>
2809 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2811 * configure: Regenerate.
2813 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2815 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2816 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2818 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2820 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2821 If REVERSE nonzero then condition code in X must be reversed.
2822 (encode_section_info): Optimise if/else.
2823 (avr_function_value): Fix formatting.
2825 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2826 (difficult_branch): Likewise.
2827 (rvbranch): Likewise.
2828 (difficult_rvbranch): Likewise.
2830 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2832 * config/avr/libgcc.S: Fix comment.
2834 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2836 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2838 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2840 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2842 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2844 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2845 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2846 * configure, config.in: Regenerate.
2847 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2848 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2849 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2850 (doprint.o): New rule.
2852 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2854 * c-typeck.c (digest_init): Handle boolean types as scalars.
2856 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2858 * stmt.c (expand_return): Don't return anything if size is zero.
2859 Delete redundant assignment to BYTES.
2860 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2862 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2864 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2865 the same as the default library function names.
2866 * config/avr/avr.md: Document special characters after '%'.
2867 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2868 knowing which of the call-used registers are really clobbered.
2869 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2870 New. Both quotient and remainder from one libgcc.S call.
2871 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2872 clobber as few registers as possible.
2873 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2875 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2877 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2878 context of the top of the stack.
2880 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2882 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2883 (fixup_var_refs_insns): ...here.
2885 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2887 * function.c (fixup_var_refs_insns): Break up into
2888 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2889 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2890 [loop over hash table entries].
2891 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2892 fixup_var_refs_insns_with_hash, to match above changes.
2894 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2896 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2897 (libgcc.a): Likewise.
2898 (stmp-multilib): Likewise.
2899 (STAGE2_FLAGS_TO_PASS): Likewise.
2901 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2903 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2904 temporary if no_new_pseudos.
2906 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2908 * cppinternals.texi: Update.
2910 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2912 * arm.c (arm_init_builtins): Re-enable builtins.
2914 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2916 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2917 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2918 element to be null, and always expect an EXPR_LIST.
2919 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2920 * sched-deps.c (sched_analyze_1): Likewise.
2921 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2923 * regclass.c (max_set_parallel): New variable.
2924 (reg_scan): Take it into account in computation of max_parallel.
2925 (reg_scan_mark_refs, case SET): Compute it.
2927 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2929 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2930 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2932 2001-01-19 Jason Merrill <jason@redhat.com>
2934 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2935 for the abstract instance of an inline function.
2937 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2938 J"orn Rennecke <amylaar@redhat.com>
2940 * reload1.c (move2add_note_store): Treat all registers directly or
2941 indirectly derived from a base register as members of the same set
2943 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2944 of base register into account.
2946 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2948 * alias.c (find_base_value): Recognize TRUNCATE.
2949 (record_set): In PLUS case, invalidate if other summand is also a
2952 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2954 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2955 entry to be EXPR_LIST.
2956 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2957 be an EXPR_LIST (but not null, which other code doesn't allow).
2958 (note_stores): Properly handle PARALLEL in SET.
2959 Recursively call for top-level PARALLEL.
2960 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2961 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2963 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2965 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2967 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2968 not pfile->skipping (== 0).
2970 2001-01-17 Nick Clifton <nickc@redhat.com>
2972 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2975 2001-01-17 Jim Wilson <wilson@redhat.com>
2977 * invoke.texi (IA-64 options): Improve.
2979 2001-01-17 Tom Tromey <tromey@redhat.com>
2981 * invoke.texi (Optimize Options): Use `{}' to around @samp
2984 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2986 * invoke.texi (-fno-guess-branch-probability): New option.
2988 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2990 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2991 case of making new double-word constant.
2992 Revert last change: instead just test i3_subst_into_i2.
2994 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2996 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2997 Use q constraints instead of r.
2999 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3001 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3002 (machine_function): Define.
3003 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3004 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3005 pa_free_machine_status): New functions.
3006 (override_options): Set {init,mark,free}_machine_status to above.
3007 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3008 PIC_OFFSET_TABLE_REGNUM_SAVED.
3009 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3010 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3011 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3012 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3013 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3015 2001-01-15 DJ Delorie <dj@redhat.com>
3017 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3021 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3023 * flow.c (propagate_on_insn): Make trying to delete a prologue
3024 or epilogue insn an ICE, not a warning. Allow doing this if
3025 the current function returns with stack pointer depressed.
3027 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3028 I3 having more than one SET.
3030 2001-01-16 Jim Wilson <wilson@redhat.com>
3032 * invoke.texi: Document IA-64 options.
3034 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3035 (fixup_errata): Delete TARGET_A_STEP use.
3036 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3037 (TARGET_SWITCHES): Delete -ma-step option.
3038 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3039 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3040 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3041 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3042 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3043 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3045 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3046 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3047 cmovsi_internal): Delete ! TARGET_A_STEP check.
3049 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3051 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3052 possibility to report bugs via postal mail. Change a URL and
3053 merge in a nearly duplicate statement...
3054 (Bug Reporting): ...from here.
3055 (Service): Refer to the Bug Reporting section instead of
3057 (Contributing): Remove trivial explanations concerning snapshots.
3059 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3061 * cppmain.c (general_init): Don't use ANSI prototype.
3063 2001-01-16 Tom Tromey <tromey@redhat.com>
3065 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3067 2001-01-16 Richard Henderson <rth@redhat.com>
3069 * config/i386/i386.h: Fix comment typo.
3070 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3071 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3073 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3075 * gcc.c: Revert previous -fsyntax-only-related change; move
3078 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3080 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3081 inmode after checking GET_CODE (op).
3083 2001-01-16 Richard Henderson <rth@redhat.com>
3085 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3086 (MAX_MEM_SET_LIST_LEN): New.
3087 (propagate_one_insn): Update mem_set_list_len.
3088 (invalidate_mems_from_autoinc): Likewise.
3089 (invalidate_mems_from_set): Likewise.
3090 (mark_used_regs): Likewise.
3091 (init_propagate_block_info): Likewise. Stop collecting memories
3092 when we reach MAX_MEM_SET_LIST_LEN.
3093 (mark_set_1): Likewise.
3095 2001-01-16 Richard Henderson <rth@redhat.com>
3097 * unroll.c (precondition_loop_p): Fail if no iteration
3100 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3102 * gcc.c: When -fsyntax-only is given, do not complain about
3105 2001-01-15 Richard Henderson <rth@redhat.com>
3107 * config/i386/i386.c (asm_output_function_prefix): Remove.
3108 (ix86_asm_file_end): New.
3109 (load_pic_register): Generate pic_label_name into a
3110 staticly allocated buffer.
3111 * config/i386/i386-protos.h: Update.
3112 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3113 (ASM_FILE_END): New.
3114 * config/i386/i386afe.h: New file.
3115 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3116 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3117 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3118 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3119 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3120 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3121 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3123 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3125 * Makefile.in (install-man): Remove explicit dependency on
3128 * configure.in, configure: Revert previous patch requiring perl
3131 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3133 * toplev.c (flag_guess_branch_prob): New.
3134 (f_options): Add guess-branch-probability option.
3135 (rest_of_decl_compilation): Only estimate branch probability if
3137 (main): set flag_guess_branch_prob.
3139 * flags.h (flag_guess_branch_prob): New.
3141 2001-01-15 DJ Delorie <dj@redhat.com>
3143 * gcc.texi (Makefile): Add documentation for Makefile targets.
3145 2001-01-15 Philip Blundell <philb@gnu.org>
3147 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3149 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3150 (is_pic): Delete declaration.
3151 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3152 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3153 * config/arm/arm.md (builtin_setjmp_receiver): New.
3155 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3157 * arm.c (use_return_insn): Don't try to determine the function type
3158 until after reload has completed.
3159 (arm_output_epilogue): Don't adjust the sp value recovered from the
3161 (emit_multi_reg_push): Don't record dwarf information for the pc.
3162 * arm.md (eh_epilogue): The function type may have changed, so it
3163 needs to be recalculated.
3164 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3165 unwind tables on arm/netbsd.
3167 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3169 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3170 (negated_cbranchsi4): Likewise.
3172 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3174 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3175 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3176 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3177 pass -mapcs-* options to assembler.
3178 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3179 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3180 (ASM_SPEC): Call subtarget_extra_asm_spec.
3182 2001-01-15 Andreas Jaeger <aj@suse.de>
3184 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3186 (ix86_expand_builtin): Likewise.
3188 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3189 warning about comparison between signed and unsigned.
3191 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3193 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3195 2001-01-14 Ralf Baechle <ralf@gnu.org>
3197 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3198 SUBTARGET_CPP_SPEC apropriatly.
3200 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3202 * varasm.c (make_decl_rtl): Fix typo in last change.
3204 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3206 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3207 linker supports the init_priority C++ attribute.
3208 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3209 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3210 linker does not support init_priority C++ attribute.
3212 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3214 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3216 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3218 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3219 * cp/lex.c (finish_parse): Similarly.
3220 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3221 Return the number of errors encountered.
3222 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3223 * cppmain.c (main): Don't call cpp_destroy.
3225 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3227 * configure.in: Require at least perl 5.6.0 to regenerate
3229 * configure: Regenerate.
3231 2001-01-14 Richard Henderson <rth@redhat.com>
3233 * genrecog.c (DT_veclen_ge): New.
3234 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3235 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3236 (nodes_identical_1): Handle DT_veclen_ge.
3237 (write_cond, debug_decision_2): Likewise.
3239 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3241 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3243 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3245 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3247 * cppmain.c (do_preprocessing): New function; most of the old
3249 (main): Call it to do most of the work.
3250 (cb): Move from global scope to set_callbacks ().
3251 (setup_callbacks): Get the callback pointer.
3252 (general_init, printer_init): Clean up code and comments.
3254 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3256 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3259 2001-01-14 Kazu Hirata <kazu@hxi.com>
3261 * config/h8300/h8300.c (get_shift_alg): Update comments.
3263 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3265 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3266 (alloc_page, ggc_alloc): Add casts to remove warnings.
3268 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3270 * combine.c (simplify_comparison): Don't change `code' when
3271 can't reverse comparison.
3273 2001-01-14 Richard Henderson <rth@redhat.com>
3275 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3276 update all call sites. Return true for all non-label constants.
3278 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3280 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3282 (ix86_expand_branch): Update.
3283 (ix86_expand_setcc): Update to handle multiple test conditions.
3284 (expand_int_movcc): Likewise.
3285 (expand_fp_movcc): Likewise.
3286 * i386-protos.h (ix86_expand_compare): New.
3287 * i386.md (andqi_?_slp, orqi_?_slp): New.
3288 (conditional trap expander): Update call to ix86_expand_compare.
3290 2001-01-14 Richard Henderson <rth@redhat.com>
3292 * config/vax/vax.md: Use nonimmediate_operand instead of
3293 general_operand in destinations.
3295 * config/vax/vax.md (indirect_jump): Use register_operand.
3297 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3298 * config/vax/vax.md (call_pop): Turn into an expander.
3299 (call_value_pop): Likewise.
3300 (call, call_value): New.
3302 2001-01-14 Andreas Jaeger <aj@suse.de>
3304 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3306 (ix86_fp_compare_mode): Add unused attribute.
3307 (ix86_expand_fp_movcc): Remove unused variable.
3308 (ix86_expand_builtin): Make fcode unsigned.
3310 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3311 (expand_expr): Add cast to avoid signed warning.
3312 (store_field): Likewise.
3313 (store_constructor_field): Likewise.
3314 (store_constructor): Likewise.
3315 (store_expr): Likewise.
3316 (clear_storage): Likewise.
3317 (emit_group_store): Likewise.
3318 (emit_group_load): Likewise.
3320 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3322 * c-common.c: Move format checking code to ...
3323 * c-format.c: ... here. New file. Reorder some functions and
3325 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3327 * c-common.h (decl_handle_format_attribute,
3328 decl_handle_format_arg_attribute): Declare.
3329 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3330 (c-common.o): Adjust dependencies.
3331 (c-format.o): New list of dependencies.
3333 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3335 * unroll.c (loop_iterations): If we cannot prove iteration variable
3336 is set once in each iteration, punt.
3338 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3340 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3341 (*strlenhi): Remove clobber (which was buggy) of output address.
3343 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3345 * Makefile.in (generated-manpages): Add gcc.1
3346 ($(srcdir)/gcc.1): New target.
3347 (maintainer-clean): Delete $(srcdir)/gcc.1.
3348 * gcc.texi: Add macros @gccoptlist and @gol.
3349 * invoke.texi: Include option summary in manpage. Mark up option
3350 summary with @gccoptlist and @gol. Use @r in one place where
3352 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3353 * gcc.1: Generate from invoke.texi.
3355 2001-01-13 Richard Henderson <rth@redhat.com>
3357 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3358 (struct page_entry): Add group member.
3359 (struct page_group): New.
3360 (struct globals): Add page_groups member.
3361 (alloc_anon): Only define for using mmap; remove valloc call.
3362 (page_group_index): New.
3363 (set_page_group_in_use): New.
3364 (clear_page_group_in_use): New.
3365 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3366 (free_page, release_pages): Likewise.
3367 * configure.in (with-gc): Default to ggc-page always.
3369 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3371 * reload1.c (replace_pseudos_in_call_usage): Use
3372 reg_equiv_constant and reg_equiv_address, and don't try
3373 regno_reg_rtx first.
3375 2001-01-13 Richard Henderson <rth@redhat.com>
3377 * ggc-page.c (alloc_page): Round up allocation size to one page.
3378 Set e->order on extra pages.
3380 2001-01-13 Richard Henderson <rth@redhat.com>
3382 * genrecog.c (nodes_identical): Expand commentary.
3383 (write_switch): Watch out for identical nodes.
3385 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3387 * cppfiles.c (_cpp_fake_include): New function.
3388 * cpphash.h (_cpp_fake_include): New.
3389 * cpplib.c (do_line): Call _cpp_fake_include when entering
3390 header files in preprocessed input.
3391 * cppmain.c (cb_pragma_implementation): Remove handling.
3392 (setup_callbacks): Don't register pragmas.
3394 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3396 * extend.texi: Udate for CPP.
3398 2001-01-13 Andreas Jaeger <aj@suse.de>
3400 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3402 * regmove.c: Add prototype for replace_in_call_usage.
3404 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3406 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3407 struct cpp_chunk, struct htab, struct toklist,
3408 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3409 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3410 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3411 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3412 (struct macro_args): Delete.
3413 * cpphash.h: See above.
3415 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3417 * cppmain.c (struct printer): Remove no_line_dirs.
3419 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3420 : Use options rather than CPP_OPTION.
3421 (setup_callbacks): Use cb rather than pfile->cb.
3422 (main): No need to check for a buffer. Use cpp_errors.
3423 (printer_init): Don't set no_line_dirs.
3424 (maybe_print_line): Use options not no_line_dirs.
3425 (cb_file_change): Don't call print_line if -P.
3427 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3429 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3431 * c-parse.in (finish_parse): Use cpp_errors.
3432 (__yylex): Use return value of cpp_pop_buffer.
3433 * cp/lex.c (finish_parse): Use cpp_errors.
3434 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3436 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3438 * README.AVR: URLs corrected.
3440 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3442 * c-decl.c (start_function): Don't warn if old prototype is builtin
3443 that's not in C's namespace.
3444 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3445 (_bb): Add prototype for ctime.
3446 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3448 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3450 * i386.c (ix86_fp_comparison_arithmetics_cost,
3451 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3452 ix86_fp_comparison_cost): New functions.
3453 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3454 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3455 two-branch sequences; make static.
3456 (ix86_use_fcomi_compare): Do decision according to the costs.
3457 (split_fp_branch): New.
3458 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3459 * i386-protos.h (ix86_expand_fp_compare): Remove
3460 (ix86_split_fp_branch): Declare.
3462 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3463 and ix86_comparison_operator.
3465 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3468 * i386.c (put_condition_code): Output properly the unordered/ordered
3469 compares in fp case.
3470 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3472 * tm.texi (REVERSE_CONDITION): Document.
3473 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3474 in -ffast-math mode.
3475 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3477 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3479 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3481 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3484 * config/sh/sh.c (mova_p): Fix test for mova_const.
3486 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3488 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3489 cpp_get_options rather than dereferencing pfile and using
3491 * scan-decls.c (scan_decls): Use return value of
3492 cpp_pop_buffer rather than CPP_BUFFER.
3494 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3496 * cppinit.c (cpp_handle_option): help_only is now part of the
3497 cpp_options structure.
3498 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3499 cpp_set_callbacks): New functions.
3500 * cpplib.h (cpp_callbacks): Break out as a named structure.
3501 (cpp_options): Move help_only here from cpp_reader.
3502 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3503 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3504 cpp_set_callbacks): New prototypes.
3505 * cppmain.c (main): Update for help_only.
3507 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3509 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3510 Also build and remove and install and uninstall c-tree.info and
3512 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3513 ($(srcdir)/cppinternals.info): New target.
3514 * c-tree.texi: Change file name used when makeinfo used without -o
3515 from ir.info to c-tree.info. Add info directory entry.
3516 * cppinternals.texi: Add info directory entry.
3517 * .cvsignore: Update.
3519 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3521 * c-typeck.c (store_init_value): Don't require constant initializer
3522 elements with -pedantic -std=c99.
3523 (digest_init): Change error about non-constant initializer elements
3525 (constructor_range_end): Remove.
3526 (constructor_incremental, designator_depth,
3527 designator_errorneous): New variables.
3528 (struct constructor_stack): Remove range_end, add incremental.
3529 (struct constructor_range_stack, constructor_range_stack): New.
3530 (struct initializer_stack): Add constructor_range_stack.
3531 (finish_init): Set it.
3532 (start_init): Likewise. require_constant_elements for non-static
3533 trees only if not flag_isoc99.
3534 (really_start_incremental_init): Remove constructor_range_end, add
3535 constructor_incremental.
3536 (pop_init_level): Likewise.
3537 (push_init_level): Likewise. If implicit and the subobject had some
3538 value set already, preinitialize the level with it.
3539 Warn about missing braces only if not pushing due to designators.
3540 (set_designator, push_range_stack): New functions.
3541 (set_init_label): Use them.
3542 (set_init_index): Likewise. Remove constructor_range_end.
3543 Error if designator index is outside of array bounds.
3544 (add_pending_init): Compare values of purpose index trees, not the
3545 trees themselves. Allow overwriting of already initialized element.
3546 Issue a warning if it had side-effects.
3547 (set_nonincremental_init, set_nonincremental_init_from_string): New
3549 (pending_init_member): Rename to...
3550 (find_init_member): ...this function. Call set_nonincremental_init
3551 if necessary. Compare values of purpose index trees, not the trees
3552 themselves. Return the actual value, not just non-zero if something
3554 (output_init_element): Remove checks for duplicates.
3555 If field has zero size, only check the initializer for correctness.
3556 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3557 if constructor_incremental is zero. Change error about initializers
3558 not computable at load time into pedwarn.
3559 (output_pending_init_elements): Compare bit positions, not
3560 FIELD_DECLs to take into account zero-sized fields.
3561 (process_init_element): Use constructor_range_stack to fill all
3562 ranges in the designator lists from current level up.
3563 * extend.texi: Update documentation for labeled elements.
3565 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3567 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3568 to function usage for arguments passed by reference. Optimize
3569 callee-copied arguments.
3570 * regmove.c (replace_in_call_usage): New function.
3571 (fixup_match_1): Call it.
3572 * cse.c (cse_insn): Canonicalize registers in function usage.
3573 * reload1.c (replace_pseudos_in_call_usage): New function.
3576 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3579 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3581 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3584 2001-01-12 DJ Delorie <dj@redhat.com>
3586 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3587 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3590 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3592 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3593 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3594 -std options alongside references to -ansi. Update some
3595 documentation for C99.
3596 * cpp.1: Regenerate.
3598 2001-01-12 Andreas Jaeger <aj@suse.de>
3600 * haifa-sched.c (restore_line_notes): Remove argument block B
3602 * sched-ebb.c (schedule_ebb): Change caller.
3603 * sched-rgn.c (schedule_region): Likewise.
3604 * sched-int.h (restore_line_notes): Adjust prototype.
3606 * loop.h: Remove wrong declaration of doloop_condition_get.
3608 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3610 * extend.texi: Move C++-extension-related node from the C section
3611 into the C++ section.
3613 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3615 * extend.texi: Refer to an array of pointers to functions instead
3616 of one of functions.
3618 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3619 Jan Hubicka <jh@suse.cz>
3621 * combine.c (reversed_comparison): Fix typo in last patch.
3623 (combine_reversed_comparison_code): Make static to follow
3624 prototype declaration.
3626 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3628 * install.texi: Remove misplaced duplicate entry.
3630 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3632 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3634 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3636 * final.c: (leaf_function_p): Fix typo.
3638 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3640 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3641 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3643 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3644 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3645 mmap_anon, and valloc is available.
3646 * ggc-page.c: Restructure ifdef logic to match new autoconf
3647 spec. Don't throw away the test page in init_ggc.
3649 * configure, config.in: Regenerate.
3651 2001-01-12 Michael Hayes <mhayes@redhat.com>
3653 * loop.h (total_biv_increment): Constify iv_class pointer.
3654 (struct induction): Replace `mem_mode' with `mem' rtx.
3655 * unroll.c (total_biv_increment): Constify iv_class pointer.
3656 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3657 (find_mem_givs, combine_givs_p): Likewise.
3658 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3660 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3662 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3664 (__gthread_getspecific): Ditto.
3666 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3668 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3669 put_condition_code): Convert fp comparison codes to integer
3671 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3674 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3675 * i386-protos.h (no_comparison_operator): Kill.
3677 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3679 * combine.c (REVERSIBLE_CC_MODE): Remove.
3680 (reversible_comparison_p): Remove.
3681 (combine_reversed_comparison_code): New.
3682 (reversed_comparison): New.
3683 (combine_simplify_rtx): Use
3684 combine_reversed_comparison_code/reversed_comparison instead
3685 of reversible_comparison_p.
3686 (simplify_if_then_else): Likewise.
3687 (simplify_set): Likewise.
3688 (simplify_logical): Likewise.
3689 (if_then_else_cond): Likewise.
3690 (known_cond): Likewise.
3691 (simplify_comparison): Likewise.
3693 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3695 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3696 sizeof (int) is larger than sizeof(__word__).
3698 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3700 * cppinit.c (do_includes): Fix typo.
3702 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3704 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3705 in S_REGS does not occur because not all sources are possible
3706 when a S_REGS is a destination (sometimes needs a clobber).
3707 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3708 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3709 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3710 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3711 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3712 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3713 (lshrdi_const1, lshrsi3_const16): Likewise.
3714 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3715 (*movhi_68hc12, *movqi_68hc12): Likewise.
3716 (movstrictqi): Make sure reloading in D_REGS as a destination
3719 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3721 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3723 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3725 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3726 -D, -U and -A, and don't initialize the builtins.
3727 (do_includes): Error if -include or -imacros with -fpreprocessed.
3728 * cppmain.c (cb_define, cb_undef): Unconditionally process
3730 * tradcpp.c (main): Fix typo.
3732 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3734 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3735 (read_name_map): Use IS_ABSOLUTE_PATH.
3736 * tradcpp.c (get_filename): Likewise.
3738 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3740 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3741 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3742 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3743 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3744 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3745 (cmphi_z_used): Don't use '@' for the output.
3746 (tstqi_z_used): Likewise.
3747 (cmpqi_z_used): Likewise.
3748 (one_cmplsi2): Likewise.
3750 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3752 * config/sh/sh.c (barrier_align): Recognize branch around far
3753 branch and redundant insn.
3755 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3757 * invoke.texi: Restore documentation of the drivers' switches -MD
3760 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3762 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3764 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3765 check-objc//%): Support parallel testing of multilibs.
3766 (TESTSUITEDIR): Set to testsuite by default, but override for
3768 (check-gcc, check-g++, check-g77, check-objc): Enter
3771 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3773 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3774 * sched-deps.c (deps_may_trap_p): Likewise.
3775 * basic-block.h: Remove a comment.
3776 * flow.c (PROP_POSTRELOAD): Remove.
3777 (update_life_info): Don't add it to prop_flags.
3778 (mark_set_1): Lose the code that was enabled by it.
3780 2001-01-11 Michael Hayes <mhayes@redhat.com>
3782 * flow.c (flow_call_edges_add): New.
3783 * basic_block.h (flow_call_edges_add): New.
3785 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3787 * reload1.c (move2add_note_store): Update reg_set_luid even if
3788 base reg remains the same.
3790 2001-01-10 Nick Clifton <nickc@redhat.com>
3792 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3793 machine_function structure to zero.
3794 Add prototypes for machine_status functions.
3796 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3798 * c-common.h (CTI_VOID_LIST): Remove.
3799 (void_list_node): Likewise.
3800 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3801 (void_list_node): New macro.
3802 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3803 * config/i386/i386.c (ix86_init_builtins): Likewise.
3804 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3806 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3808 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3809 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3811 * tradcpp.c: Include mkdeps.h.
3812 (deps, print_deps_phony_targets, deps_append, output_deps,
3813 init_dependency_output, output_deps): New.
3814 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3815 deps_output): Delete.
3816 (print_deps_missing_files): Rename deps_missing_files.
3817 (inhibit_output): Make global.
3818 (main): Delete inhibit_output, deps_stream, deps_target.
3819 Use mkdeps functionality in the same way as cpplib. Remove
3820 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3821 -M and -MM. Remove old handling of deps via deps_out, and
3822 old reading of environment variables.
3823 (get_filename): Update to use deps_add_dep.
3825 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3827 * output.h (make_function_rtl): Remove prototype.
3828 (make_decl_rtl): Likewise.
3829 * varasm.c (make_function_rtl): Remove.
3830 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3831 than from a third parameter.
3832 * tree.h (make_decl_rtl): Remove last parameter.
3833 * c-decl.c (builtin_function): Remove last argument in call to
3834 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3835 (start_function): Likewise.
3836 * except.c (call_get_eh_context): Likewise.
3837 * expr.c (emit_block_move): Likewise.
3838 (clear_storage): Likewise.
3839 * profile.c (output_func_start_profiler): Likewise.
3840 * toplev.c (rest_of_decl_compilation): Likewise.
3841 * objc/objc-act.c (create_builtin_decl): Likewise.
3842 (synth_module_prologue): Likewise.
3843 (generate_static_reference): Likewise.
3844 (build_selector_reference_decl): Likewise.
3845 (build_class_reference_decl): Likewise.
3846 (build_objc_string_decl): Likewise.
3847 (build_protocol_reference): Likewise.
3849 2001-01-10 Richard Henderson <rth@redhat.com>
3851 * hwint.h: Revert yesterday's change.
3853 2001-01-10 Nick Clifton <nickc@redhat.com>
3855 * function.h (save_machine_status): Delete.
3856 (restore_machine_status): Delete.
3857 Amend comment describing {init|mark|free}_machine_status.
3859 * function.c (save_machine_status): Delete.
3860 (restore_machine_status): Delete.
3861 Amend comment describing {init|mark|free}_machine_status.
3862 (push_function_context_to): Remove invocation of
3863 save_machine_status.
3864 (pop_function_context_from): Remove invocation of
3865 restore_machine_status.
3867 * emit-rtl.c (init_emit_once): Amend comment describing
3868 {init|mark|free}_machine_status.
3870 * tm.texi (Per-Function Data): New node. Describe the
3871 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3874 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3876 * cppinit.c (OPT_g): Remove.
3877 (cpp_handle_option): Update for removed -g3.
3878 (print_help): Update.
3879 * cpplib.h (struct cpp_options): Remove debug_output.
3880 * cppmain.c (setup_callbacks, cb_define): Update.
3881 * gcc.c (cpp_options): Translate -g3 to -dD.
3883 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3885 * config/i960/i960.md: Change modifier to + on the zero_extract
3886 pattern after the (rotate -2 reg) canonicalization pattern.
3888 2001-01-10 Richard Henderson <rth@redhat.com>
3890 * config/alpha/alpha.c (alpha_free_machine_status): New.
3891 (override_options): Install it.
3892 (alpha_mark_machine_status): Verify machine non-null.
3893 * config/i386/i386.c (ix86_free_machine_status): New.
3894 (override_options): Install it.
3895 (ix86_init_machine_status): Use xcalloc.
3896 (ix86_mark_machine_status): Verify machine non-null.
3897 * config/ia64/ia64.c (ia64_free_machine_status): New.
3898 (ia64_override_options): Install it.
3899 (ia64_mark_machine_status): Verify machine non-null.
3901 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3903 * function.c (instantiate_virtual_regs): Instantiate virtual
3904 registers found in CALL_INSN_FUNCTION_USAGE.
3906 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3908 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3909 equivalent to -ansi in disabling -Di386.
3911 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3913 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3915 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3917 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3919 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3921 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3923 * invoke.texi: Document that -fcond-mismatch isn't supported for
3926 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3928 * gcc.texi: Define macro gcctabopt.
3929 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3930 @command, @env and @option in some places where appropriate. Use
3931 @gcctabopt where appropriate. Put URLs and email addresses inside
3934 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3936 * gcc.c (cpp_options): Set MD file name from output
3937 filename, if specified.
3938 (suffix_subst): New static variable.
3939 (do_spec): Clear it.
3940 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3942 (give_switch): Handle suffix_subst.
3944 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3946 * invoke.texi: Fix another typo.
3948 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3950 * invoke.texi: Fix typo.
3952 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3954 * c-lang.c (lang_hooks): Update.
3955 (lang_decode_option): Remove.
3956 (lang_init_options): Rename c_init_options.
3957 * toplev.c (main): Use lang_hooks for lang_init_options
3958 and lang_decode_option.
3959 * toplev.h (lang_hooks): Add 2 new hooks.
3960 * tree.h: Remove lang_init_options and lang_decode_option.
3961 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3962 * cp/decl2.c: Similarly.
3963 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3964 (lang_hooks): Update.
3965 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3967 (lang_init_options): Rename ffe_init_options.
3968 (lang_hooks): Update.
3969 (lang_decode_option): Remove.
3970 * java/lang.c (lang_init_options): Rename java_init_options.
3971 (lang_decode_option): Rename java_decode_option.
3972 (lang_hooks): Update.
3973 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3974 (lang_decode_option): Rename objc_decode_option.
3975 (lang_hooks): Update.
3977 2001-01-09 Nick Clifton <nickc@redhat.com>
3979 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3980 (d30v_return_addr_rtx): Delete.
3981 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3982 cfun->machine structure.
3983 (struct machine_function): Move to d30v.h
3984 (d30v_save_machine_status): Delete.
3985 (d30v_restore_machine_status): Delete.
3986 (d30v_init_machine_status): New Function.
3987 (d30v_mark_machine_status): New Function.
3988 (d30v_free_machine_status): New Function.
3989 (d30v_init_expanders): Use new functions.
3990 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3991 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3992 d30v_return_addr_rtx.
3994 * config/d30v/d30v.h (struct_machine): Move here.
3995 Add eh_epilogue_sp_ofs field.
3997 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3998 field in cfun->machine structure.
4000 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4002 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4003 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4004 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4006 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4008 * objc/lang-options.h: Remove bogus reference to
4011 2001-01-09 Kazu Hirata <kazu@hxi.com>
4013 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4016 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4018 * reload.c (find_reloads_address): Check for eliminable registers
4019 when substituting a constant expression for a pseudo.
4021 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4023 * c-common.c (enum format_type): Add format_type_error.
4024 (decode_format_type): New function.
4025 (decl_attributes): Use it.
4026 (format_kind_info): Adjust comment.
4028 2001-01-09 David O'Brien <obrien@BSDi.com>
4030 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4031 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4033 * config/i386/gnu.h: Don't include required platform specific .h files,
4034 tm.h will do it instead.
4035 * config/i386/i386elf.h: Likewise.
4036 * config/i386/linux.h: Likewise.
4037 * config/i386/moss.h: Likewise.
4038 * config/mips/gnu.h: Likewise.
4040 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4042 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4043 (rs6000-ibm-aix3.[01]*): Likewise.
4044 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4045 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4046 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4047 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4048 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4049 (powerpc-*-eabiaix*): Likewise.
4050 (powerpc-*-eabisim*): Likewise.
4051 (powerpc-*-elf*): Likewise.
4052 (powerpc-*-eabi*): Likewise.
4053 (powerpc-*-rtems*): Likewise.
4054 (powerpc-*-linux*libc1): Likewise.
4055 (powerpc-*-linux*): Likewise.
4056 (powerpc-wrs-vxworks*): Likewise.
4057 (powerpcle-wrs-vxworks*): Likewise.
4058 (powerpcle-*-sysv*): Likewise.
4059 (powerpcle-*-elf*): Likewise.
4060 (powerpcle-*-eabisim*): Likewise.
4061 (powerpcle-*-eabi*): Likewise.
4062 (powerpcle-*-solaris2*): Likewise.
4063 * config/rs6000/aix31.h: Delete includes.
4064 * config/rs6000/aix3newas.h: Likewise.
4065 * config/rs6000/aix41.h: Likewise.
4066 * config/rs6000/aix43.h: Likewise.
4067 * config/rs6000/beos.h: Likewise.
4068 * config/rs6000/rtems.h: Likewise.
4069 * config/rs6000/sysv4.h: Likewise.
4071 2001-01-09 Kazu Hirata <kazu@hxi.com>
4073 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4074 Change an argument mode of machine_mode to shift_mode of
4075 shift_mode. Remove an extra error check.
4076 (emit_a_shift): Adopt to the new calling prototype of
4078 (function_prologue): Fix code for a monitor
4079 function. Support H8/S.
4080 (function_epilogue): Do not output pop for a monitor function.
4082 2001-01-09 Nick Clifton <nickc@redhat.com>
4084 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4085 (setup_incoming_varargs): Use sysv_varargs_p field of the
4086 cfun->machine structure.
4087 (struct machine_function): Move to rs6000.h
4088 (rs6000_save_machine_status): Delete.
4089 (rs6000_restore_machine_status): Delete.
4090 (rs6000_init_machine_status): New Function.
4091 (rs6000_free_machine_status): New Function.
4092 (rs6000_init_expanders): Use new functions.
4094 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4096 (struct machine_function): Move here.
4098 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4099 sysv_varargs_p field of the cfun->machine structure.
4101 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4103 (rs6000_restore_machine_status): Remove prototype.
4105 2001-01-09 Richard Henderson <rth@redhat.com>
4107 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4108 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4109 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4110 (sched_analyze_2, sched_analyze_insn): Likewise.
4111 (sched_analyze, init_deps): Likewise.
4112 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4113 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4114 (compute_block_backward_dependences): Update propagate_deps call.
4116 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4118 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4120 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4122 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4123 (cpp_handle_option): Handle them.
4124 (cpp_post_options): Ensure one of -M or -MM is specified with
4125 any other -M? option.
4126 (init_dependency_output): Suppress output with -MG.
4128 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4131 * invoke.texi: Update.
4133 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4135 * sh.md (reload_outsf): Generate recognizable patterns for
4138 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4140 * c-lang.c (lang_hooks): Update.
4141 (lang_init): Rename c_init.
4142 (lang_finish): Remove.
4143 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4145 * toplev.h (lang_hooks): Add init () and finish ().
4146 * tree.h (lang_init, lang_finish): Remove.
4147 * cp/tree.h (lang_init, lang_finish): Remove.
4148 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4149 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4151 (lang_init, lang_finish): Remove.
4152 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4153 (lang_hooks): Update.
4154 * java/lang.c (lang_init): Rename java_init.
4155 (lang_finish): Remove.
4156 (lang_hooks): Update.
4157 * objc/objc-act.c (lang_init): Rename objc_init.
4158 (lang_finish): Remove.
4159 (lang_hoooks): Update.
4161 20001-01-09 Graham Stott <grahams@redhat.com>
4163 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4164 after `ptr` is initialised.
4166 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4168 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4169 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4170 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4171 stack adjusts, instead of r3.
4173 2001-01-09 Michael Hayes <mhayes@redhat.com>
4175 * flow.c (flow_loop_scan): Break out of ...
4176 (flow_loops_find) ... here.
4177 * basic-block.h (flow_loop_scan): New.
4178 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4179 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4181 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4183 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4185 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4186 realloc()ing macro_buffer.
4188 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4189 if it's wider than long and the target's long is wider than the
4192 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4194 Remove support for using UWIN as a host machine.
4195 * configure.in: Issue an error message.
4196 * configure: Regenerated.
4197 * config.gcc: Remove xm_* UWIN configury.
4198 * config/i386/xm-uwin.h: Remove.
4200 2001-01-08 Nick Clifton <nickc@redhat.com>
4202 * config/v850/v850.c (ra_rtx): Delete.
4203 (v850_save_machine_status): Delete.
4204 (v850_restore_machine_status): Delete.
4205 (v850_init_machine_status): New function.
4206 (v850_mark_machine_status): New function.
4207 (v850_free_machine_status): New function.
4208 (v850_return_addr): Use ra_rtx field in machine structure.
4209 (v850_init_expanders): Use new functions.
4211 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4212 * config/v850/v850.c: Change arguments to v850_output+* functions
4213 to take a const char *, to avoid compile time warning.
4214 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4215 (USER_LABEL_PREFIX): Redefine.
4217 2000-01-08 Jim Wilson <wilson@redhat.com>
4219 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4220 1 to unsigned HOST_WIDE_INT before left shift.
4222 2001-01-08 Nick Clifton <nickc@redhat.com>
4224 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4225 the machine structure has been allocated.
4226 (arm_free_machine_status): New function: Free the machine
4227 specific function structure.
4229 2001-01-08 Richard Henderson <rth@redhat.com>
4231 * jump.c (simplejump_p): Revert last change.
4233 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4235 * cppinit.c (init): Rename init_library.
4236 (cpp_create_reader): Update.
4237 * gcc.c (cpp_options): If -o given, use it as the target of
4240 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4242 * arm.c (arm_arch5e): New variable.
4243 (all_cores): XScale is a 5TE device.
4244 (arm_override_options): Set arm_arch5e.
4245 (arm_init_builtins): __builtin_prefetch is in arch5e.
4246 * arm.h (arm_arch5e): Declare it.
4248 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4250 * arm.md (define_constants): Add defines for UNSPEC and
4251 UNSPEC_VOLATILE insns. Update all users.
4252 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4253 * arm.c (multi_register_push, note_invalid_constants)
4254 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4255 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4256 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4258 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4260 * jump.c (jump_optimize_1): Use reversed_comparison_code
4261 instead of can_reverse_comparison_p.
4262 (jump_back_p): Likewise.
4263 (invert_exp_1): Likewise.
4264 (thread_jumps): Likewise.
4265 * simplify-rtx.c (simplify_unary_operation): Likewise.
4266 (simplify_ternary_operation): Likewise.
4267 * cse.c (find_comparison_args): Convert to use
4268 can_reverse_comparison_p.
4269 (record_jump_equiv): Likewise.
4271 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4273 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4274 (EPILOGUE_USES): Define.
4275 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4276 automatically stack the LR if it isn't live.
4278 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4280 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4283 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4285 * ggc-page.c (max_alignment): New structure.
4286 (MAX_ALIGNMENT): New macro.
4287 (init_ggc): Use it to round up the sizes in the
4288 extra_order_size_table.
4290 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4292 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4295 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4297 * builtins.def (BUILT_IN_FPRINTF): New entry.
4299 * c-common.c (c_expand_builtin_fprintf): New function.
4300 (init_function_format_info): Handle __builtin_fprintf.
4301 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4302 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4304 * c-decl.c (duplicate_decls): Adjust comment.
4306 * extend.texi (fprintf): Document new builtin.
4308 2001-01-07 Richard Henderson <rth@redhat.com>
4310 * jump.c (simplejump_p): Recognize any single_set jump
4313 2001-01-07 Richard Henderson <rth@redhat.com>
4315 * configure.in (slibdir): Accept an --with-slibdir option.
4316 Use "test" not "[" in configure. Default to $(libdir).
4318 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4320 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4321 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4322 (SHLIB_LINK): Create links for the soname.
4323 * config/mips/t-iris6: Likewise.
4324 * config/sparc/t-slibgcc: Likewise.
4325 * config/sparc/t-slibgcc-sld: Likewise.
4327 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4329 * config/i386/i386.c (constant_call_address_operand): Accept
4330 (const (plus (symbol_ref) (const_int))).
4331 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4332 constant_call_address_operand.
4334 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4336 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4337 and LONG_LONG_TYPE_SIZE > 32.
4339 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4341 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4342 the previous change.
4344 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4346 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4348 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4349 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4350 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4353 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4355 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4357 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4359 * c-lang.c (c_post_options): Call cpp_post_options.
4360 * objc/objc-act.c (objc_post_options): Similarly.
4361 * cppmain.c (main): Similarly.
4362 * fix-header.c (read_scan_file): Similarly.
4363 * cppinit.c (cpp_start_read): Move option consistency checks
4364 to cpp_post_options. Don't call init_dependency_output.
4365 If needed, add default target and main file dependency.
4366 (OPT_MD, OPT_MMD): Remove.
4368 (cpp_handle_option): Update for OPT_* changes.
4369 (cpp_post_options): New.
4370 (init_dependency_output): Command line -MF overrides environment
4371 variables. Don't set default target etc. Suppress output
4372 if dependencies are going to stdout.
4373 (print_help): Update.
4374 * cpplib.h (cpp_post_options): New.
4375 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4377 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4379 * jump.c (comparison_dominates_p): Support unordered compares.
4381 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4383 * simplify-rtx.c (simplify_relational_operation): Always simplify
4384 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4387 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4389 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4390 (nonzero_bits): Likewise.
4391 (simplify_comparison): Likewise.
4392 (num_sign_bit_copies): Likewise; return more sane value depending
4393 on STORE_FLAG_VALUE.
4394 (known_cond): Do not assume EQ to be always true for equivalent
4397 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4399 * cse.c (fold_rtx): Handle unordered comparisons.
4401 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4403 * rtlanal.c (set_of_1): New static function.
4404 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4405 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4406 reg_set_last_last_regno): Remove.
4407 (set_of): New global function.
4408 (set_of_data): New structure.
4409 (reg_set_p, reg_set_last): Revamp for set_of.
4410 * rtl.h (set_of): New.
4412 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4414 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4415 * extend.texi: Document _Exit builtin.
4417 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4419 * (initialize, initialize_builtins,
4420 initialize_dependency_output, initialize_standard_includes):
4421 Rename s/initialize/init. Update.
4422 (init_dependency_output): Move to after
4423 cpp_handle_options, the correct location temporally at least.
4424 (opt_comp): Move next to init (), its caller. Fix prototype.
4425 (init): Make "initialized" local scope.
4426 (cpp_create_reader): Always call init ().
4427 (cpp_start_read): Update.
4428 (output_deps): New function, broken out of cpp_finish.
4429 (cpp_finish): Break out output_deps.
4431 2001-01-07 Richard Henderson <rth@redhat.com>
4433 * collect2.c (COFF specific stuff): Revert 12-06 patch
4434 to prototype system functions.
4436 2001-01-07 Michael Hayes <mhayes@redhat.com>
4438 * hard-reg-set.h: Add multiple include guard.
4439 * basic-block.h (struct loop): Add `sink' field.
4440 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4441 (emit_iv_add_mult): Delete.
4442 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4443 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4444 (unroll_loop): Remove end_insert_before argument.
4445 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4446 (maybe_eliminate_biv_1): Likewise.
4447 (emit_iv_add_mult): Delete.
4448 (gen_add_mult, loop_regs_update): New.
4449 (loop_insn_emit_after, loop_insn_emit_before): New.
4450 (loop_insn_sink, loop_insn_sink_or_swim): New.
4451 (emit_iv_add_mult): Delete.
4452 (scan_loop): Set loop->sink.
4453 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4454 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4455 (maybe_eliminate_biv_1): Likewise.
4456 (maybe_eliminate_biv_1): Add basic block argument.
4457 * unroll.c (unroll_loop): Remove end_insert_before argument.
4458 (find_splittable_regs): Likewise.
4459 (find_splittable_regs): Use loop_insn_sink and its ilk.
4460 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4462 2001-01-07 Michael Hayes <mhayes@redhat.com>
4464 * loop.h (loop_insn_hoist): New prototype.
4465 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4466 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4467 (check_dbra_loop, load_mems): Likewise.
4468 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4469 (find_splittable_givs): Likewise.
4471 2001-01-07 Michael Hayes <mhayes@redhat.com>
4473 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4475 2001-01-07 Richard Henderson <rth@redhat.com>
4477 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4479 2001-01-07 Richard Henderson <rth@redhat.com>
4481 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4482 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4483 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4484 variant that handles a shared libgcc.
4485 (process_command): Always validate -{static,shared}-libgcc.
4486 (do_spec_1): New 'M' case.
4487 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4489 2001-01-07 Richard Henderson <rth@redhat.com>
4491 * Makefile.in (slibdir): New variable.
4492 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4493 (installdirs): Create slibdir.
4494 (install-libgcc, install-multilib): Defer to libgcc.mk.
4495 * configure.in (slibdir): Substitute.
4496 * mklibgcc.in (install): New target.
4498 * config/t-linux (SHLIB_LINK): Create links for the soname.
4499 (SHLIB_INSTALL): New.
4500 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4501 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4502 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4503 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4504 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4506 2001-01-07 Richard Henderson <rth@redhat.com>
4508 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4509 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4510 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4512 2001-01-07 Michael Hayes <mhayes@redhat.com>
4514 * loop.c (count_loop_regs_set): Delete.
4515 (load_mems_and_recount_loop_regs_set): Delete.
4516 (loop_regs_scan): Merge common code from count_loop_regs_set,
4517 scan_loop, and load_mems_and_recount_loop_regs_set.
4518 (scan_loop): Call load_mems directly and loop_regs_scan
4519 again if new registers created.
4521 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4523 * toplev.c (main): Call the front-end specific post_options
4524 hook if one is given.
4525 * toplev.h (struct_lang_hooks, lang_hooks): New.
4526 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4527 for the C front end.
4528 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4529 lang_hooks for the C++ front end.
4530 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4531 lang_hooks for the ObjC front end.
4532 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4533 * java/lang.c (lang_hooks): Hooks for the Java front end.
4535 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4537 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4538 for verbose DWARF[2] debugging.
4539 (cb_define, cb_undef): The new callbacks.
4540 * toplev.h (debug_define, debug_undef): Make const correct.
4541 * toplev.c (debug_define, debug_undef): Similarly. Do not
4542 perform the verbosity tests here anymore.
4544 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4546 * reload.c (subst_reloads): Take INSN argument. When
4547 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4548 * reload.h (subst_reloads): Adjust prototype.
4549 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4550 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4551 present in JUMP_INSNs and copy them to JUMP_LABEL.
4552 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4553 JUMP_INSNs and insns with REG_LABELs that are followed by
4554 JUMP_INSNs with the same REG_LABEL.
4555 * sched-rgn.c (is_cfg_nonregular): Likewise.
4556 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4558 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4560 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4562 2001-01-06 Richard Henderson <rth@redhat.com>
4564 * loop.c (scan_loop): Use xcalloc for the regs array.
4565 (load_mems_and_recount_loop_regs_set): Zero the new memory
4566 received from xrealloc.
4568 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4570 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4572 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4574 * integrate.c (copy_rtx_and_substitute): When copying
4575 an ignored return value, strip REG_FUNCTION_VALUE_P.
4577 2001-01-06 Michael Hayes <mhayes@redhat.com>
4579 * loop.c (debug_biv, debug_giv): New.
4580 (loop_biv_dump): Break out from ...
4581 (record_biv): ... here.
4582 (loop_giv_dump): Break out from ...
4583 (record_giv): ... here.
4584 (loop_bivs_check): Use print_simple_rtl.
4585 * unroll.c (loop_iterations): Use print_simple_rtl.
4587 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4589 * pa.md (return, return_internal): Modify patterns to prevent regrename
4590 mucking with the return pointer.
4592 2001-01-05 Richard Henderson <rth@redhat.com>
4594 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4596 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4598 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4599 version supplied by Matteo Frigo.
4601 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4603 * cpp.texi: Update for -MQ.
4604 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4605 (cpp_cleanup): Always free pfile->deps.
4606 (initialize_dependency_output): Don't create pfile->deps.
4607 (cpp_handle_option): Similarly.
4609 * gcc.c (cpp_options): Handle -MQ.
4610 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4611 * mkdeps.c (base_name): Remove.
4612 (deps_init): Don't allocate vector space until it's needed.
4613 (deps_free): Only free vectors if allocated.
4614 (deps_add_target, deps_add_dep): Update for initial allocation.
4615 (deps_add_default_target): Don't strip to the base_name.
4617 2001-01-05 DJ Delorie <dj@redhat.com>
4619 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4620 (INIT_EXPANDERS): Define.
4622 * config/v850/v850.c (struct machine_function): Define.
4623 (v850_save_machine_status): New function.
4624 (v850_restore_machine_status): New function.
4625 (v850_return_addr): New function.
4626 (v850_init_expanders): New function.
4628 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4629 and v850_init_expanders.
4631 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4633 * cpplib.h (struct cpp_reader): Add help_only field.
4634 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4635 (cpp_handle_option): Set pfile->help_only if we see -h,
4636 --help, -target-help, or --version. Print version string but
4637 do not set help_only if we see -v or -version. Make text
4638 printed by -v match that printed by (-)-version.
4640 * cppmain.c (main): Exit after option parsing if
4641 pfile->help_only is true.
4643 * toplev.c (independent_decode_option): Call print_version,
4644 then exit, if we see --version (but not -version).
4645 (print_version): Split lengthy message into two lines.
4647 2001-01-05 Nick Clifton <nickc@redhat.com>
4649 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4650 temporary string for initialisation before calling ggc_alloc_string.
4652 2001-01-06 Michael Hayes <mhayes@redhat.com>
4654 * rtl.h (print_simple_rtl): New.
4655 * print-rtl.c (print_simple_rtl): New.
4657 (print_rtx): Disable printing of flags and modes, etc.,
4658 if `flag_simple` nonzero.
4660 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4662 * function.c (fixup_var_refs): Use push_to_full_sequence where
4665 2001-01-05 Michael Meissner <meissner@redhat.com>
4667 * flags.h (flag_reorder_blocks): Add declaration.
4668 (flag_rename_block): Ditto.
4670 2001-01-05 DJ Delorie <dj@redhat.com>
4672 * function.c (reorder_blocks): Make sure the flags are all reset
4673 before using them to mark blocks, else a second invocation will
4674 corrupt the block chain.
4675 (reorder_blocks_0): New, resets the flags.
4677 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4679 * cse.c (find_comparison_args): Stop if the argument is known to
4682 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4684 * config/sh/sh.md (movdf): When splitting load into pair of
4685 registers, don't clobber the register used in the address too
4688 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4690 * varasm.c (mark_constant_pool): Improve initial comments.
4691 (mark_constants): Move marking of constants to mark_constant.
4692 (mark_constant): New function to recursively mark all constants
4693 referred to by a constant.
4695 2001-01-05 Catherine Moore <clm@redhat.com>
4697 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4699 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4701 * cp/lang-options.h: Bring comment in line with reality.
4702 * f/lang-options.h: Likewise.
4703 * java/lang-options.h: Likewise.
4704 * objc/lang-options.h: Likewise.
4705 * ch/lang-options.h: Likewise.
4706 * f/g77.texi: And update the manual.
4708 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4709 Denis Chertykov <denisc@overta.ru>
4711 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4712 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4713 * config/avr/avr.md (all peepholes that request a scratch register):
4714 Call it, FAIL the peephole if not safe (in interrupt functions).
4716 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4718 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4720 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4722 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4724 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4725 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4726 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4727 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4728 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4730 * extend.texi: Document these builtins.
4732 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4734 * c-common.c (lang_get_alias_set): Say we know nothing of
4735 VECTOR_TYPE aliasing.
4737 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4739 2001-01-05 Bruce Korb <bkorb@gnu.org>
4741 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4742 their x* equivalent versions for atexit-less systems
4743 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4744 systems (or any other system any more).
4746 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4748 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4749 output operands. Use arm_hard_register_operand for operand 4.
4750 (stmsi_postinc): Similarly.
4751 (ldmsi): Use arm_hard_register_operand for opernand 2.
4753 * arm.c (arm_hard_register_operand): New function.
4754 * arm-protos.h (arm_hard_register_operand): Prototype it.
4756 * arm.h (HARD_REGNO_RENAME_OK): Define.
4758 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4760 * simplify-rtx.c (cfc_args): add "unordered" field.
4761 (check_fold_consts): Set unordered field.
4762 (simplify_relational_operation): Simplify the unordered
4765 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4768 * emit-rtl.c (try_split): Fix code to mark labels.
4769 * jump.c (mark_jump_label): Make global.
4770 * rtl.h (mark_jump_label): Declare.
4772 * predict.c (estimate_probability): Handle unordred comparisons.
4774 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4776 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4777 * cppinit.c (initialize_dependency_output): Update.
4778 (cpp_finish): Output dummy targets for -MP.
4780 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4781 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4782 * gcc.c (cpp_options): Update to handle -MP.
4783 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4784 to quote only the default target.
4785 (deps_phony_targets): Insert a preceding newline. Rename from
4786 deps_dummy_targets for consistency.
4789 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4791 * calls.c (emit_library_call_value_1): Support
4792 INIT_CUMULATIVE_LIBCALL_ARGS.
4793 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4795 2001-01-04 Richard Henderson <rth@redhat.com>
4797 * c-decl.c (finish_struct): Detect flexible array members
4798 used in an inappropriate context.
4799 * c-typeck.c (really_start_incremental_init): Special case
4800 constructor_max_index for zero length arrays.
4801 (pop_init_level): Allow initialization of flexible array
4802 members. Deprecate initialization of zero length arrays.
4803 Don't issue missing initializer warning for flexible array
4804 members or zero length arrays.
4805 (process_init_element): Don't dereference null DECL_SIZE.
4806 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4807 Don't abort for empty constructors. Use size_binop
4808 (output_constructor): Add commentary regarding zero length
4809 array futures. Abort if we try to initialize an array of
4810 unspecified length with a non-empty constructor in the middle
4813 * extend.texi (Zero Length): Update and clarify documentation
4814 on static initialization.
4816 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4818 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4819 with more than 32767 words of local storage.
4821 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4823 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4824 for 'abs', 'labs', and 'fabs'.
4825 (c4x_expand_builtin): Likewise.
4826 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4828 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4830 * config/sh/sh.md (prget, prset): New insn types.
4831 (return delay slot): Dont' allow prset.
4832 (call, sfunc delay slot): Don't allow prget.
4833 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4834 for prset and prget.
4836 2001-01-05 Michael Hayes <mhayes@redhat.com>
4838 * loop.h (struct loop_reg): New.
4839 (struct loop_regs): Change to use array of `struct loop_reg'.
4840 * loop.c: Replace assortment of varrays with single regs array.
4841 (count_one_set): Delete may_not_move array argument
4842 and use regs array instead. All caller's changed.
4843 (count_loop_regs_set): Delete may_not_move and single_usage
4844 arguments and use regs array instead. All caller's changed.
4845 (find_single_use_in_loop): Replace usage array argument with pointer
4846 to regs structure. All caller's changed.
4847 (loop_optimize): Delete `moved_once' array.
4849 2001-01-05 Michael Hayes <mhayes@redhat.com>
4851 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4852 Use it instead of loop_info->has_call for scanning loop mems.
4853 (check_dbra_loop): Replace loop_info->has_call test with
4854 loop_info->has_nonconst_call.
4856 2000-01-04 Matthew Hiller <hiller@redhat.com>
4858 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4861 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4863 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4864 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4866 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4868 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4869 (flag_short_double, flag_short_wchar): Define.
4870 (c_common_nodes_and_builtins): Create many tree nodes shared
4871 between C and C++ here instead of in cp/decl.c and ...
4872 * c-decl.c (init_decl_processing): ... here.
4873 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4874 (flag_short_double, flag_short_wchar): Don't define.
4875 (record_builtin_type): New function.
4876 (build_void_list_node): New function.
4877 * c-common.h (flag_short_double, flag_short_wchar,
4878 record_builtin_type, build_void_list_node): Declare.
4880 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4882 * integrate.c (expand_inline_function): Don't put a virtual
4883 register into the reg map.
4885 * function.c (fixup_var_refs_1): If force_operand didn't put
4886 the address into the target, move it there.
4888 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4890 Special-case tree_decl/tree_list allocations.
4891 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4892 (OBJECT_SIZE): New macro.
4893 (NUM_EXTRA_ORDER): Likewise.
4894 (extra_order_size_table): New variable.
4895 (NUM_ORDERS): New macro.
4896 (objects_per_page_table): New variable.
4897 (object_size_table): New variable.
4898 (G.pages): Use NUM_ORDERS to bound the array.
4899 (G.page_tails): Likewise.
4900 (DIV_ROUND_UP): Remove.
4901 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4902 (alloc_page): Use OBJECT_SIZE.
4903 (size_lookup): Don't make it const.
4904 (ggc_alloc): Use OBJECT_SIZE.
4905 (ggc_set_mark): Likewise.
4906 (ggc_get_size): Likewise.
4907 (init_ggc): Set up the object_size_table, objects_per_page_table,
4908 and adjust size_lookup.
4909 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4910 (ggc_pop_context): Use NUM_ORDERS.
4911 (clear_marks): Likewise.
4912 (sweep_pages): Likewise.
4913 (poison_pages): Likewise.
4914 (ggc_print_statistics): Use OBJECT_SIZE.
4916 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4918 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4919 Only call array_size_for_constructor if last field and array type
4920 with no upper bound.
4922 2001-01-04 Philip Blundell <philb@gnu.org>
4924 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4925 from bit 31 downwards, if this requires no more insns.
4926 (count_insns_for_constant): New helper function for above.
4928 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4930 * gencodes.c (output_predicate_decls): Remove empty initializer.
4932 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4934 * tree.c (copy_node): Remove documentation about obstacks.
4935 (buidl1): Check that nobody tries to build 2-argument nodes this
4938 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4940 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4943 * gencodes.c (output_predicate_decls): Fill empty initializer
4946 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4948 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4949 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4951 (do_include): Handle missing headers like cpp0.
4952 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4953 paths with first include pathname. Don't strcat to uninitialized
4956 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4958 * regrename.c (regrename_optimize): Don't rename from frame pointer
4959 if frame_pointer_needed.
4960 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4961 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4962 (ia64_reorg): Use it instead of scheduling if ! optimize.
4963 (errata_emit_nops): Properly call asm_noperands.
4964 (ia64_sched_reorder): Finish cycle if we see an asm.
4965 (ia64_variable_issue): Clear scheduling state after asms.
4967 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4969 * cpp.texi: Update for -MT.
4970 * cppinit.c (initialize_dependency_output): Add a default
4971 target if none has been given already.
4972 (no_tgt, OPT_MT): New.
4973 (cpp_handle_option): Handle -MT. Update -M etc.
4974 * cpplib.h (struct cpp_options): Remove deps_target.
4975 * gcc.c (cpp_options): Handle -MT.
4976 * mkdeps.c (struct deps): Move from mkdeps.h.
4977 (deps_calc_target): Rename deps_add_default_target. Add a
4978 default target if none has been specified already.
4979 * mkdeps.h (struct deps): Move to mkdeps.c.
4980 (deps_calc_target): Rename deps_add_default_target.
4982 2000-01-03 Richard Henderson <rth@redhat.com>
4984 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4986 * c-typeck.c (push_init_level): Move checks for flexible array
4987 members and zero length arrays ...
4988 (pop_init_level): ... here. Silently discard empty initializations.
4990 * varasm.c (output_constructor): Update for sizeof change to
4993 * extend.texi (Zero Length): Clarify semantics.
4995 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4997 * configure.in (tm.h): Include isns-codes.h last.
4998 * configure: Rebuilt.
5000 2001-01-03 Richard Henderson <rth@redhat.com>
5002 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5003 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5005 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5007 * tradcpp.c (main): Make sure finclude() is called with a valid
5008 indepth value while handling -include.
5010 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5012 * gencodes.c (output_predicate_decls): New function.
5014 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5015 even if it is not the first time machmode.h is #included.
5016 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5017 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5018 * gcc.texi (Copyright): Added 2001.
5020 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5022 * c-common.c (c_common_lang_init): New function. Warn if format
5023 warning options which only have effects when used with -Wformat
5024 are used without -Wformat.
5025 * c-common.h (c_common_lang_init): Declare.
5026 * c-lang.c (lang_init): Call c_common_lang_init.
5027 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5029 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5031 * configure.in: Check for the mktemp command.
5032 * configure: Regenerate.
5033 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5034 $TEMP. Create temporary files with mktemp, if available at
5035 configure time; otherwise use set -C. Remove temporary files
5038 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5040 * configure.in: Require at least texinfo 4.0. Check for whether
5041 Pod::Man is sufficiently recent to regenerate GCC manpages.
5042 * configure: Regenerate.
5043 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5045 (GENERATED_MANPAGES): Define.
5046 (generated-manpages): New target. Depend on cpp.1 as well as
5048 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5049 configure to generated-manpages or empty) rather than on the
5050 manpages directly. Remove execute permission from installed
5051 gcov.1 as well as cpp.1.
5052 * cpp.1, gcov.1: Regenerate.
5054 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5056 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5057 tree_low_cst. Allow using cmpstrsi in more cases.
5059 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5061 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5064 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5066 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5067 * Makefile.in (HOST_CFLAGS): Mention build-make.
5069 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5071 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5074 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5076 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5079 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5082 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5083 reg_base_value and reg_known_value arrays.
5084 (init_alias_analysis): Add more cases to detect known values.
5085 * sched-deps.c (deps_may_trap_p): New function.
5086 (sched_analyze_2): Use it.
5088 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5090 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5091 don't discard an ASHIFTRT if we're shifting in a wider mode.
5093 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5095 * toplev.c (rest_of_compilation): Don't print basic block information
5096 when CFG isn't up to date.
5098 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5100 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5101 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5102 (UNALIGNED_SHORT_ASM_OP): Define.
5103 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5105 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5107 * fold-const.c (fold_convert): Fix typo.
5109 2001-01-02 Richard Henderson <rth@redhat.com>
5111 * c-common.h (ASM_INPUT_P): New.
5112 * c-parse.in (asm): Set it when needed.
5113 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5114 existance of an operand.
5116 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5118 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5119 (dwarf2out_frame_debug_expr): Likewise.
5120 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5122 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5124 * i386.c (ix86_split_to_parts): Return number of part required;
5126 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5128 (ix86_split_long_move): Use number of part returned
5129 by ix86_split_to_parts
5130 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5132 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5133 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5134 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5135 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5136 (ALIGN_MODE_128): Add TFmode.
5137 (IS_STACK_MODE): Likewise.
5138 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5139 (HARD_REGNO_OK): Support TFmodes.
5140 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5141 * i386.md (scheduler definitions): Use memory operand to determine
5142 fst/fld instructions; use mode attribute to determine real mode of
5144 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5145 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5147 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5149 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5151 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5153 * expr.c (store_constructor_field): Update ALIGN before calling
5156 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5158 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5161 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5163 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5166 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5168 * c-decl.c (start_function): Don't warn on third parameter to main.
5170 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5172 * tsystem.h: Define HAVE_DECL_GETOPT.
5174 2001-01-02 Philip Blundell <pb@futuretv.com>
5176 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5179 2001-01-02 Richard Henderson <rth@redhat.com>
5181 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5183 2001-01-02 Andreas Jaeger <aj@suse.de>
5185 * c-decl.c (c_decode_option): Remove support of
5188 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5189 (W_options): Add -Wmissing-noreturn here.
5191 * flow.c: Define lang_missing_noreturn_ok_p.
5192 (check_function_return_warnings): Use it.
5194 * c-common.h: Declare lang_missing_noreturn_ok_p.
5196 * c-lang.c (c_missing_noreturn_ok_p): New function.
5197 (lang_init): Set lang_missing_noreturn_ok_p.
5199 * invoke.texi (Warning Options): Document this.
5201 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5203 * extend.texi (C++ Extensions): New node for C++ attributes;
5204 describe init_priority and com_interface.
5205 * invoke.texi: Remove -finit-priority as it now has zero effect.
5206 * install.texi: Fix xref syntax.
5207 * md.texi: Likewise.
5209 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5211 * config.gcc (sparc64-wrs-vxworks*): New case.
5212 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5214 * config/sparc/sparc.c (sparc_override_options): Do support different
5215 pointer and architecture size.
5216 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5217 (POINTERS_EXTEND_UNSIGNED): Define.
5218 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5219 (FUNCTION_MODE): Define to be Pmode.
5220 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5222 * function.c (expand_function_end): Properly handle DECL_RESULT
5223 and copy when ptr_mode != Pmode.
5224 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5226 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5228 * c-common.c (c_common_nodes_and_builtins): Set prototype
5229 parameters for __builtin_fputs, __builtin_fputc and
5230 __builtin_fwrite. Don't declare plain fputc as a builtin.
5232 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5234 * loop.c (add_label_notes): Increment the label usage count when
5235 a note is added to an insn which refers to a CODE_LABEL.
5236 * gcse.c (add_label_notes): Likewise.
5238 2001-01-01 Andreas Jaeger <aj@suse.de>
5240 * loop.c (scan_loop): Use xmalloc to allocate movables.
5242 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5244 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5245 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5246 * reload1.c (REGISTER_MOVE_COST): Likewise.
5247 * regclass.c (REGISTER_MOVE_COST): Likewise.
5248 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5249 dimension. Adjust all users.
5250 (init_reg_sets_1): Iterate on all modes.
5251 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5252 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5253 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5254 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5255 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5256 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5257 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5258 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5259 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5260 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5261 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5262 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5263 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5264 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5265 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5266 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5267 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5268 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5269 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5270 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5271 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5272 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5273 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5274 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5275 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5276 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5277 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5279 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5281 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5282 arg VARIES_P. Call it with extra arg.
5283 (true_dependence): Likewise.
5284 * rtl.h (rtx_addr_can_trap_p): Declare.
5285 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5287 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5288 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5289 pic offset table register if it's zero. All callers changed.
5290 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5292 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5294 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5295 STRING_POOL_ADDRESS_P.
5297 * config/sparc/sparc.c (input_operand): Properly test for short op.
5299 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5300 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5301 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5302 * config/sparc/elf.h: No longer include sol2.h.
5303 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5304 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5306 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5308 2001-01-01 Michael Hayes <mhayes@redhat.com>
5310 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5311 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5312 (record_initial): Likewise.
5313 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5314 (remap_split_bivs): Likewise.
5316 2001-01-01 Michael Hayes <mhayes@redhat.com>
5318 * loop.c (loop_ivs_free): New function.
5319 (strength_reduce): Break out from...
5321 2001-01-01 Michael Hayes <mhayes@redhat.com>
5323 * loop.h (struct iv): New.
5324 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5325 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5326 'reg_biv_class' fields with 'regs' and 'n_regs'.
5327 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5328 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5329 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5331 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5333 * resource.c (mark_referenced_resources): Abort() before
5334 attempting to mark a pseudo register.
5335 (mark_set_resources): Likewise.
5337 2001-01-01 Michael Hayes <mhayes@redhat.com>
5339 * loop.h (REG_IV_CLASS): New accessor macro.
5340 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5341 * unroll.c (REG_IV_CLASS): Likewise.
5343 See ChangeLog.4 for earlier changes.