1 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5 t_bool in declaration because pcc can't combine volatile with typedef
8 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
10 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
11 until when it is really needed.
12 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
13 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
14 * i386.md (float?i?f splitter): Don't force source operand to memory
16 (sse_movdfcc): Fix constraint.
17 (sse_movdfcc splitter): Handle properly the second alternative.
19 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
21 * cpplex.c (parse_string): Unconditionally pedwarn.
23 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
26 * cppexp.c (parse_number): Update.
27 * cpplex.c (parse_string): Pedwarn if multiline string does not
28 result from a system header's macro.
29 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
30 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
31 for function-like macros too.
32 * c-lex.c (lex_number): Update.
34 2001-03-03 Richard Henderson <rth@redhat.com>
36 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
38 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
40 * combine.c (try_combine): If split with mode-changed scratch
41 register didn't work, try the original mode.
43 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
45 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
46 * config/c4x/c4x.h: Likewise.
47 * stor-layout.c (compute_record_mode): Likewise.
48 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
50 2001-03-02 Zack Weinberg <zackw@stanford.edu>
52 * configure.in: Kill tm.h. Include the files in the $tm_file
53 list in all three of config.h, hconfig.h, tconfig.h, after the
54 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
55 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
56 * configure: Regenerate.
57 * Makefile.in (clean): Don't delete tm.h.
59 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
60 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
61 those are not defined, set SEC and FEC to 0 and 1.
62 * gcc.texi: Update to match.
64 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
65 * config/fp-bit.c, config/m68k/aux-crt2.asm,
66 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
67 Include tconfig.h, not tm.h.
69 * config/xm-lynx.h, config/xm-std32.h,
70 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
71 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
72 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
73 config/clipper/xm-clix.h, config/convex/xm-convex.h,
74 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
75 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
76 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
77 config/i386/xm-i386.h, config/i860/xm-i860.h,
78 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
79 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
80 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
81 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
82 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
83 config/pa/xm-linux.h, config/pa/xm-pa.h,
84 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
85 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
86 config/pj/xm-pj.h, config/romp/xm-romp.h,
87 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
88 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
89 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
90 config/v850/xm-v850.h, config/vax/xm-vax.h,
91 config/we32k/xm-we32k.h:
93 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
95 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
96 config/i370/xm-oe.h: Don't include tm.h. Don't define
98 * config/vax/xm-vms.h: Don't include tm.h.
100 * config/xm-lynx.h, config/avr/xm-avr.h,
101 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
102 Delete; made empty by above changes.
103 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
104 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
105 Don't include config/xm-lynx.h or tm.h.
107 * config/xm-gnu.h: Don't include fcntl.h.
108 * config/sparc/xm-lynx.h: Don't include sys/types.h and
110 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
112 2001-03-02 Richard Henderson <rth@redhat.com>
114 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
115 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
117 2001-03-02 Richard Henderson <rth@redhat.com>
119 * Makefile.in (OBJS): Add dwarf2asm.o.
120 * dwarf2asm.c, dwarf2asm.h: New files.
121 * dwarf2out.c (*): Use them.
122 (size_of_uleb128, size_of_sleb128): Remove.
123 (output_uleb128, output_sleb128): Remove.
124 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
125 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
126 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
127 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
128 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
129 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
130 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
131 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
132 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
133 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
134 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
135 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
136 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
137 (dwarf2out_frame_debug): Remove unused variables.
138 (output_loc_operands): Don't abort on 8 byte constants if
139 host integers are wide enough.
140 (output_symbolic_ref): Remove.
141 (size_of_die): Don't assume 4 byte host integers.
142 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
144 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
145 something stupid with HOST_WIDE_INT to long truncation.
146 [CONST_DOUBLE]: Likewise.
148 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
149 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
150 * config/arm/unknown-elf.h: Likewise.
151 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
152 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
153 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
154 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
155 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
156 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
157 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
158 (ASM_OUTPUT_DWARF_OFFSET): Remove.
159 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
160 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
161 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
162 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
164 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
166 * cselib.c (hash_rtx): Cast enums to unsigned int.
168 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
170 * print-rtl.c (print_rtx): Cast enums to int for comparison.
171 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
173 * c-format.c (C_STD_VER): Cast to int for comparisons.
174 (check_function_format): Cast various enums to int for &.
175 (maybe_read_dollar_number): Likewise.
176 (check_format_info): Likewise.
177 (check_format_info_main): Likewise.
178 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
179 (safe_from_p): Likewise.
180 * varasm.c (const_hash): Cast enum to int for %.
181 * emit-rtl.c (init_emit_once): Use int loop variable to work around
182 pcc enum problems with < and ++ operators.
183 * regclass.c (init_reg_sets_1): Cast enums for comparison.
184 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
185 (regclass_init): Change enum class to int to iterate over reg_classes.
186 * genrecog.c (merge_trees): Cast enums for comparison.
187 * rtl.h (GET_CODE): Cast to enum rtx_code.
188 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
189 (GET_MODE): Cast to enum machine_mode.
190 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
191 (GET_NOTE_INSN_NAME): Cast enum to int.
192 * tree.h (TREE_CODE): Cast to enum tree_code.
193 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
194 * timevar.c (timevar_print): Change loop variable id from enum to
196 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
197 * config/i386/i386.md: Use PUT_MODE for mode assignment.
198 * toplev.c (compile_file): Cast enum DFI to int.
199 (decode_d_option): Likewise.
201 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
203 * cppinit.c (append_include_chain): Mark "after" include file name list
204 as a system directory.
205 * cpp.texi: Document new behavior.
207 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
209 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
211 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
213 * cppfiles.c (struct include_file): Update.
214 (stack_include_file): Use search_from.
215 (cpp_included, find_include_file): Update.
216 (cpp_execute_include): Update. ptr->name may not be
217 null terminated. Use the new search_from member variable
219 (_cpp_compare_file_date): Similarly.
220 (search_from): New function, similiar to actual_directory.
221 (actual_directory): Delete.
222 (remap_filename): Update. loc->name may not be null terminated.
223 (struct file_name_list): Rename search_path. Update.
224 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
226 (struct cpp_reader): Remove actual_dirs.
227 * cppinit.c (struct cpp_pending): Update for renamed objects.
228 (append_include_chain, remove_dup_dir, remove_dup_dirs,
229 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
230 * cpplib.h (struct cpp_options): Similarly.
232 2001-03-01 Zack Weinberg <zackw@stanford.edu>
234 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
235 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
236 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
237 config/clipper/xm-clix.h, config/convex/xm-convex.h,
238 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
239 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
240 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
241 config/i370/xm-linux.h, config/i370/xm-mvs.h,
242 config/i370/xm-oe.h, config/i386/xm-aix.h,
243 config/i386/xm-i386.h, config/i386/xm-osf.h,
244 config/i860/xm-i860.h, config/i960/xm-i960.h,
245 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
246 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
247 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
248 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
249 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
250 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
251 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
252 config/pj/xm-pj.h, config/romp/xm-romp.h,
253 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
254 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
255 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
256 config/v850/xm-v850.h, config/vax/xm-vax.h,
257 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
258 Do not define TRUE or FALSE.
260 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
261 empty by above change.
262 * config.gcc: Remove references to these files.
264 * configure.in: Detect stdbool.h.
265 * configure, config.in: Regenerate.
266 * system.h: Include stddef.h here if available.
267 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
268 Then set up a sensible boolean type at the very end.
270 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
271 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
273 * hash.h: Delete 'boolean' typedef and related #undefs.
275 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
276 all uses of 'boolean' with 'bool'.
278 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
280 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
281 * cppexp.c (lex): Cast enums for comparison.
282 * cppinit.c (parse_option): Cast enum for comparison.
283 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
284 (cpp_output_token): Likewise.
285 (cpp_can_paste): Cast enums for comparsion and plus/minus.
286 (cpp_avoid_paste): Cast enums for minus and comparison.
288 2001-03-01 Zack Weinberg <zackw@stanford.edu>
290 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
291 field to all array elements.
293 2001-03-01 Zack Weinberg <zackw@stanford.edu>
295 * cpphash.h (struct cpp_reader): Add print_version field.
296 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
297 just set print_version and other flags as appropriate.
298 (cpp_post_options): Print version here if print_version is set.
300 * toplev.c (exit_after_options): New flag.
301 (independent_decode_option): Don't exit here; just set
303 (main): Exit after calling lang_hooks.post_options if
304 exit_after_options is true.
306 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
307 (merge_include_chains): Adjust comment to match code.
309 2001-03-01 Zack Weinberg <zackw@stanford.edu>
311 * stringpool.c (set_identifier): New function.
312 * tree.h: Prototype it.
314 * c-parse.in: Kill D_YES. If compiled for objc, call
315 save_and_forget_protocol_qualifiers from init_reswords.
316 * objc/objc-act.c (remember_protocol_qualifiers,
317 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
318 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
320 (save_and_forget_protocol_qualifiers): New function.
321 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
323 2001-03-01 Diego Novillo <dnovillo@redhat.com>
325 * c-semantics.c (prune_unused_decls): Return error_mark_node
326 instead of (tree) 1 to stop traversing the tree chain.
328 2001-03-01 Bernd Schmidt <bernds@redhat.com>
330 Fix a problem introduced by Kenner's Feb 18 change.
331 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
332 flag_cse_skip_blocks only temporarily, not for ever.
334 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
336 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
337 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
339 * pa.c (emit_move_sequence): Verify operand0 is a hard register
340 before determining its register class.
342 2001-03-01 Bernd Schmidt <bernds@redhat.com>
344 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
345 from reg 4 if current_function_calls_setjmp.
346 (gen_nop_type): New function.
347 (ia64_emit_nops): New function.
348 (ia64_reorg): Call it.
349 (ia64_sched_reorder): Move code that rotates bundles up a bit.
351 * reload1.c (eliminate_regs_in_insn): Restrict the special case
352 code not to try to optimize adds with anything but a REG destination.
354 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
355 (INSN_PRIORITY_KNOWN): New accessor macro.
356 * haifa-sched.c (priority): Use it instead of testing priority against
359 2001-02-28 DJ Delorie <dj@redhat.com>
361 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
362 since that doesn't work the way gcc wants on a generic m68k.
364 2001-02-28 Richard Henderson <rth@redhat.com>
366 * caller-save.c (save_call_clobbered_regs): Fix typo in
367 comparison last change.
369 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
371 * i386.c (pentium4_cost): New.
372 (m_PENT4): New macro.
373 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
374 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
375 x86_integer_DFmode_moves, x86_partial_reg_dependency,
376 x86_memory_mismatch_stall): Add Pentium4
377 (x86_use_q_reg, x86_use_any_reg): Kill.
378 (override_options): Add pentium4.
379 (incdec_operand): Return 0 for pentium4.
380 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
381 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
382 (TARGET_PENTIUM4): Define.
383 (enum processor_type): Add PROCESSOR_PENTIUM4.
384 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
385 * i386.md (attribute "cpu"): Add pentium4.
386 * invoke.texi (march): Add pentium4.
388 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
390 * i386.md (sse_mov?fcc*): New patterns and splitters.
391 * i386.c (ix86_expand_movcc): Work post-reload; recognize
392 the SSE based conditional moves.
394 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
396 * i386.md (attribute mode): Add "TI".
397 (movsf_1): Add pxor support; remove constant propagation splitter.
398 (movdf_integer): Likewise.
399 (movdf_nointeger): Likewise.
400 (movxf constant prop splitter): Handle all modes; update for SSE.
401 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
402 * i386.c (standard_80387_constant_p): Rewrite.
403 (standard_sse_constant_p): New.
404 * i386-protos.h (standard_sse_constant_p): New.
406 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
408 * i386.md (sse_setccsf, sse_setccdf): New.
409 (sse_cmp* patterns): Use '%D' instead of outputtting condition
411 * i386.c (sse_comparison_operator): Accept the supported unordered
412 comparses; be ready for fast_math.
413 (print_operand): Support 'D'.
415 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
417 * jump.c (reversed_comparison_code): Kill.
419 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
421 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
424 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
426 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
427 add missing '%' in constraints.
429 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
431 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
432 for HOST_BITS_PER_WIDE_INT == 32 too.
434 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
436 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
438 (insert_save, insert_restore): New parameter save_mode.
439 (init_caller_save): Update initialization of reg_save_code
440 and reg_restore_code.
441 (save_call_clobbered_regs): Compute save_modes and update calls to
442 reg_save_code and reg_restore_code.
443 (insert_restore): Unsignetize numbers; use save_modes to choose mode
444 of spill; update use of reg_restore_code.
445 (insert_save): Likewise.
446 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
447 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
448 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
450 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
452 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
453 noce_try_store_flag_inc, noce_try_store_flag_mask,
454 noce_try_cmove_arith):
455 Use reversed_comparison_code instead of reverse_comparison and
456 can_reverse_comparison_p.
458 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
460 * jump.c (reversed_comparison_code_parts): Allow reversal of
461 unordered compares in -ffast-math mode; reverse ordered compares
462 for FP even w/o -ffast-math.
464 2001-02-27 Richard Henderson <rth@redhat.com>
466 * print-rtl.c (print_rtx) [i]: Don't print field five on
467 NOTEs other than NOTE_INSN_DELETED_LABEL.
469 2001-02-27 Zack Weinberg <zackw@stanford.edu>
471 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
472 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
474 2001-02-27 Diego Novillo <dnovillo@redhat.com>
476 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
477 even if walk_subtrees is 0.
478 * c-semantics.c (prune_unused_decls): Return a non-null value to
479 stop traversing the tree chain.
481 2001-02-27 DJ Delorie <dj@redhat.com>
483 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
484 register, *then* define it as the new CFA.
486 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
488 * pa.c (override_options): Promote -fpic to -fPIC.
489 (legitimize_pic_address): Simplify due to removal of
490 small PIC as a code generation option.
491 (secondary_reload_class): Similarly.
492 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
493 (PRINT_OPERAND_ADDRESS): Similarly.
494 * pa.md (various patterns): Similarly.
495 (small pic lo_sum pattern): Remove.
497 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
500 * md.texi (min, max): Document
502 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
504 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
505 TARGET_PARTIAL_REG_DEPENDENCY.
506 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
508 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
510 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
512 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
514 * mips.c (mips_make_temp_file): Fix thinko in last change.
516 2001-02-26 Jason Eckhardt <jle@redhat.com>
518 * combine.c (known_cond): Do not reverse the condition when
519 SMAX/UMAX is being considered and the condition is for equality
522 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
524 2001-02-26 Philip Blundell <philb@gnu.org>
526 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
528 * config/arm/linux-elf.h: Remove historical relics related to
529 above configurations.
530 * config/arm/linux-oldld.h: Delete.
531 * config/arm/linux-elf26.h: Delete.
533 2001-02-26 Jason Merrill <jason@redhat.com>
535 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
537 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
538 recognize a tentative definition. Lose obsolete code.
540 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
541 variables unless necessary, either.
543 2001-02-25 Richard Henderson <rth@redhat.com>
545 * ifcvt.c (struct noce_if_info): Add test_bb.
546 (noce_get_alt_condition): New.
547 (noce_try_minmax, noce_try_abs): New.
548 (noce_operand_ok): New.
549 (noce_process_if_block): Use them.
550 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
552 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
554 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
557 2001-02-25 Zack Weinberg <zackw@stanford.edu>
559 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
560 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
562 (mips_asm_file_end): Free temp_filename here.
564 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
566 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
567 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
569 * config/i386/i386.md (movstrsi): Handle FAIL case.
571 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
573 * cppinit.c (builtin_array): Update.
574 (init_builtins): Flag builtins to warn if redefined or
575 undefined. Define __GXX_WEAK as a normal macro.
576 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
577 * cpplib.h (NODE_WARN): New flag.
578 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
579 Handle __STDC__ as a builtin only on Solaris.
580 (warn_of_redefinition): Renamed from check_macro_definition.
581 Reverse sense of test. Always warn if NODE_WARN.
582 (_cpp_create_definition): Use warn_of_redefinition. Flag
583 any macro beginning with "__STDC_" to require a mandatory
584 warning if redefined or undefined.
586 2001-02-24 Zack Weinberg <zackw@stanford.edu>
588 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
589 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
590 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
591 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
592 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
593 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
595 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
596 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
597 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
598 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
599 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
601 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
602 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
605 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
606 Delete now-empty file.
608 * alpha/vms.h: Define NEED_ATEXIT here...
609 * alpha/xm-vms.h: ...not here.
611 * i386/cygwin.h: Don't define PARAMS.
612 * mips/mips.c: Don't prototype mktemp. Don't define
613 P_tmpdir. Use make_temp_file to create temporary files.
614 Don't be clever and delete temporary files early.
615 * config.gcc: Drop references to deleted files. Don't define
617 * gcc.texi: Don't mention USE_PROTOTYPES.
619 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
621 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
622 (ix86_set_move_mem_attrs_1): Likewise.
623 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
624 * config/i386/i386.md (movstrsi): Call it.
626 2001-02-24 Zack Weinberg <zackw@stanford.edu>
628 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
629 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
630 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
631 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
633 (i750a-*-*): Error here if hosting on i750a.
634 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
636 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
637 Remove (empty modulo comments).
639 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
640 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
641 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
642 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
643 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
644 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
646 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
647 Remove reference to winnt.h in comment.
648 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
650 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
652 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
653 used to set another biv.
655 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
657 * tree.h (BLOCK_DEAD): New macro.
658 (struct tree_block): New flag, dead_flag.
659 * print-tree.c (print_node, case 'b'): Print missing fields.
660 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
661 * function.c (identify_blocks): Enable test for misplaced notes.
662 (all_blocks): Skip BLOCK_DEAD blocks.
663 * integrate.c (integrate_decl_tree): Likewise.
665 * errors.c (internal_error, trim_filename): New functions.
666 (fancy_abort): Call internal_error.
667 * errors.h (internal_error, trim_filename): New declarations.
669 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
671 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
673 (EXTRA_CONSTRAINT): Formatting changes.
675 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
677 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
679 2001-02-23 Per Bothner <per@bothner.com>
681 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
682 so they can be called from java/jvspec.c.
683 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
685 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
687 * i386.c (ix86_frame): New structure.
688 (ix86_compute_frame_size): Kill.
689 (ix86_compute_frame_layout): New.
690 (ix86_save_reg): New.
691 (ix86_can_use_return_insn_p): Use frame layout stuff.
692 (ix86_expand_prologue): Likewise.
693 (ix86_expand_epilogue): Likewise.
694 (ix86_initial_elimination_offset): Likewise.
695 (ix86_nsaved_regs): Use ix86_save_reg.
696 (ix86_emit_save_regs): Likewise.
698 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
700 * flow.c (find_sub_basic_blocks): New function.
701 (split_block): Be ready for basic block introduced by CODE_LABEL.
702 (commit_one_edge_insertion): Call find_sub_basic_block.
704 * flow.c (make_edges): Add edge from entry for blocks starting with
705 label having ALTERNATE_NAME
707 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
709 * function.c (epilogue_done): Be ready for first basic block not
710 containing PROLOGUE_END note.
711 (reposition_prologue_and_epilogue_notes): Avoid placing
712 PROLOGUE_END note between BASIC_BLOCK.
714 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
716 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
718 2001-02-21 DJ Delorie <dj@redhat.com>
720 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
721 check for current_function_has_nonlocal_goto from 1999-11-12.
723 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
725 * diagnostic.c (trim_filename): No longer static.
726 * toplev.h (trim_filename): Declare.
727 * rtl.c (rtl_check_failed_bounds): Call internal_error.
728 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
729 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
730 (rtvec_check_failed_bounds): Likewise.
731 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
733 * convert.c (convert_to_integer): Don't do unsigned unless result or
734 both inputs are unsigned.
736 * fold-const.c (fold_convert): Don't call size_int_type_wide if
739 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
741 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
743 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
745 * Makefile.in (resource.o): Add params.h dependence.
746 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
747 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
748 * resource.c: Add dependence on params.h.
749 (current_live_regs): Fix explanatory comment.
750 (find_basic_block): Add new parameter to permit limiting search
752 (mark_target_live_regs): Add new argument to find_basic_block call.
753 (incr_ticks_for_insn): Likewise.
755 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
757 * diagnostic.c (output_to_stream): Rename to
758 output_buffer_to_stream. Loses the stream parameter.
759 (init_output_buffer): Set diagnosic_buffer's stream.
760 (flush_diagnostic_buffer): Adjust.
761 (default_print_error_function): Likewise.
762 (finish_diagnostic): Likewise.
763 (verbatim): Likewise.
765 * diagnostic.h (struct output_buffer): Add `stream' field.
766 (output_buffer_attached_stream): New macro.
768 2001-02-23 Jakub Jelinek <jakub@redhat.com>
770 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
771 check if either operand is divisible by C.
772 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
773 If type is signed, consider negative numbers as well.
775 2001-02-22 Richard Henderson <rth@redhat.com>
777 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
778 reach .text instead of gp-relative relocs.
779 * config/ia64/crtend.asm (.init): Likewise.
781 2001-02-22 Andreas Jaeger <aj@suse.de>
783 * extend.texi (C++ Attributes): Fix typo.
785 2001-02-21 David Mosberger <davidm@hpl.hp.com>
787 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
788 functions, drop current_function_args_info.words test.
789 (ia64_compute_frame_size): Mark syscall_linkage functions as
790 using eight input registers.
792 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
793 Bruce Korb <bkorb@gnu.org>
795 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
796 * fixinc/README: Document how to convert sed substitutions
797 to format style c_fix-es.
798 * fixinc/fixincl.x: regen
800 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
802 * gcc.c: Add comment explaining how to add a command-line option.
803 Add title to specs language comment.
805 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
807 * gcc.c (cc1_options): Add "-param".
808 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
809 (option_map): Likewise.
810 * toplev.c (display_help): Add entry for "--param".
811 (independent_decode_option): Fix typographical error.
813 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
814 Bernd Schmidt <bernds@redhat.com>
815 Jan Hubicka <jh@suse.cz>
817 * i386.c (function_arg_advance): Pass SSE arguments in registers.
818 (function_arg): Likewise.
820 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
822 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
824 2001-02-21 Kazu Hirata <kazu@hxi.com>
826 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
830 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
832 * flow.c (init_propagate_block_info): Canon address and use single_set
833 for killing dead memory stores.
835 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
837 * Makefile.in (reorg.o): Add params.h dependence.
838 * params.def: Fix typographical error in comment.
839 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
840 * params.h: Modify introductory comment.
841 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
842 * reorg.c: Add dependence on params.h.
843 (redundant_insn): Add parameterized throttle for search.
844 (fill_simple_delay_slots): Add a comment explaining a variable.
845 Move conditional out of loop, simplifying code.
846 (fill_eager_delay_slots): Fix typographical error in comment.
848 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
850 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
852 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
853 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
855 2001-02-21 Jason Merrill <jason@redhat.com>
857 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
858 (struct tree_decl): Add uninlinable bitfield.
859 * c-decl.c (duplicate_decls): Set it.
860 * integrate.c (function_cannot_inline_p): Check it.
862 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
863 DW_AT_MIPS_linkage_name to abstract methods.
864 (dwarf2out_abstract_function): Emit class context before calling
865 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
866 (gen_subprogram_die): Remove obsolete code.
867 (gen_member_die): Don't include clones in the member list.
868 (gen_decl_die): Emit abstract info for clone origin.
869 * dwarfout.c (output_type): Don't include clones in the member list.
870 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
871 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
872 DECL_ABSTRACT on a function that already has it set.
874 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
875 (get_subprogram_die): Pass it in.
877 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
879 * flow.c (mark_set_1): Make not_dead unsigned long. For
880 non-pseudos, use it as a bitmask of the hard regs that
883 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
885 * cppfiles.c: Update comments.
886 (_cpp_read_file): Don't check for NULL filenames any more.
887 * cppinit.c (cpp_start_read): Don't do canonicalization of
888 in_fname and out_fname. Use the passed file name exclusively.
889 (_cpp_handle_options): Don't treat "-" as a command line option,
890 but as a normal filename.
891 (_cpp_post_options): Canonicalize in_fname and out_fname.
892 * cppmain.c (printer_init): Don't check out_fname for NULL.
893 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
894 (init_c_lex): Update, and use "" to represent stdin to CPP.
897 2001-02-20 Will Cohen <wcohen@redhat.com>
899 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
900 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
901 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
904 2001-02-20 Stan Shebs <shebs@apple.com>
906 * config/rs6000/rs6000.c (output_cbranch): Output branches
907 on separate lines instead of using ';' to separate.
909 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
911 * cppinit.c (set_lang): Move builtin handling to...
912 (init_builtins): ...here.
913 (_cpp_create_reader): Move call to set_lang.
915 2001-02-20 Mark Mitchell <mark@codesourcery.com>
917 * stmt.c (expand_return): If an attempt is made to return the
918 error_mar_node, treat the return like a return without a value.
920 2001-02-19 Zack Weinberg <zackw@stanford.edu>
922 * sibcall.c (skip_copy_to_return_value): Call
923 identify_call_return_value here, and return orig_insn if it
924 returns zero. Hardret and softret arguments now unnecessary.
925 (call_ends_block_p): Don't call identify_call_return_value here.
927 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
929 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
930 * ggc.h (ggc_mark_if_gcable): Delete prototype.
932 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
934 * pa.c (move_operand): Accept code to load the address of a
935 symbol out of the DLT as a valid move operand.
936 (print_operand, case 'A'): New to handle generating a DLT
937 reference for a LO_SUM expression.
938 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
939 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
941 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
943 * README, cpp.texi, gcc.texi, version.c: Update version number to
945 * cpp.1, gcov.1, gcc.1: Regenerate.
947 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
949 * cppfiles.c (stack_include_file): Generate dependencies
950 here, and manage include_count here too.
951 (PRINT_THIS_DEP): Delete.
952 (_cpp_execute_include): Do not generate dependencies here,
953 apart from the case of a missing header. Do not manage
955 (_cpp_read_file): Leave dependency generation to
958 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
960 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
961 target_cpu_default. Remove dead assignment to
964 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
966 * regclass.c (contains_reg_of_mode): Make global.
967 (init_reg_sets): Remove contains_reg_of_mode; take into account
968 CLASS_MAX_NREGS when looking for the proper mode.
969 (dump_regclass): Dump only classes considered for the pseudo.
970 (regclass): Use contains_reg_of_mode.
972 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
974 * gcc.c (do_spec_1): 'n' for printing notices.
975 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
977 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
979 * reg-stack.c (next_flags_user): Use current_block->end
980 (swap_rtx_condition): Look for next user if flags don't die;
981 give up on CALL_INSNs; use current_block->end.
983 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
985 * sibcall.c (call_ends_block_p): New function.
986 (optimize_sibling_and_tail_recursive_call): Use it.
988 2001-02-18 Kazu Hirata <kazu@hxi.com>
990 * config/h8300/h8300.md: Update copyright.
991 (andsi3): Do not output an extra newline character.
993 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
995 * toplev.c (note_deferral_of_defined_inlined_function): Argument
996 FNDECL may be unused.
998 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
999 follow jumps after first run.
1000 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1001 it doesn't change any jumps.
1003 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1005 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1006 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1007 (mostlyclean): Corresponding changes.
1008 * rtlanal.c (hard-reg-set.h): Include.
1009 (rtx_unstable_p): Do not treat the argument pointer specially
1010 if it is not a fixed register.
1011 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1013 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1015 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1016 against last real insn in basic block.
1017 Rework to avoid gotos.
1019 * Makefile.in (gcse.o): Now includes ggc.h.
1020 * gcse.c: Include ggc.h.
1021 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1022 (try_replace_reg): Remove warning of uninitialize variable.
1023 (process_insert_insn): Call invalid_insn_p to validate insn.
1024 * recog.c (insn_invalid_p): Now global.
1025 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1026 * recog.h (insn_invalid_p): New declaration.
1028 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1030 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1031 assignments from FP constants since 'Y' output code can't handle it.
1032 (eligible_for_sibcall_delay): Likewise.
1034 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1035 Call fancy_abort directly, passing args.
1036 (print_rtl_and_abort): Now a macro, like fancy_abort.
1038 * final.c (output_operand_lossage): Use internal_error, not error.
1040 2001-02-18 Shane Nay <shane@agendacomputing.com>
1042 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1043 structure shift insns.
1045 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1047 * invoke.texi (-fsquangle): Remove documentation.
1048 (-fname-mangling-version): Likewise.
1050 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1052 * optabs.c (expand_abs): Remove reference to
1053 HAVE_contitional_arithmetic.
1054 * combine.c (simplify_set): Likewise.
1056 2001-02-18 Richard Henderson <rth@redhat.com>
1058 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1061 2001-02-18 Richard Henderson <rth@redhat.com>
1063 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1065 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1067 * reload1.c (reload_cse_simplify_set): Fix typo.
1069 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1071 * diagnostic.c (_fatal_insn): Decrement errorcount.
1073 * invoke.texi (-I): Add note avoiding use for system header files.
1075 * rtl.h (add_clobbers): Remove duplicate declaration.
1076 * recog.h (added_clobbers_hard_reg_p): New declaration.
1077 * genemit.c (struct clobber_pat): New field has_hard_reg.
1078 (gen_insn): Record if added clobbers clobber hard reg.
1079 (gen_split): Avoid unused warning if number of operands is 0.
1080 (output_added_clobbers_hard_reg_p): New function.
1083 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1085 * pa.c (hppa_expand_prologue): Simplify code storing return
1086 pointer. For large (>=8k) frames with a post_store, adjust stack
1087 pointer by 8k-64 first rather than by 64. When testing with
1088 VAL_14_BITS_P, always use the actual value rather than the value
1089 negated. Add blockage to prevent scheduling of spills before
1090 stack frame has been created.
1091 (hppa_expand_epilogue): Simplify code loading return pointer.
1092 Allow a slightly larger range for merge_sp_adjust_with_load case.
1093 When testing with VAL_14_BITS_P, always use the actual value.
1095 * pa.c (pa_adjust_insn_length): Check that block move
1096 pattern is a set before looking at operands.
1098 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1100 * fold-const.c (fold_binary_op_with_conditional_arg): New
1101 function, split out from ...
1103 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1104 conditional arms that throw exceptions.
1106 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1109 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1111 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1112 define HAVE_DECL_* to 1 to mask potential backup declarations.
1113 * configure: Regenerated.
1115 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1117 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1119 2001-02-17 Richard Henderson <rth@redhat.com>
1121 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1122 when replacing a memory load with a register.
1124 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1125 Jan Hubicka <jh@suse.cz>
1127 * recog.c (validate_replace_src_1): New.
1128 (validate_replace_src_data): Likewise.
1129 (validate_replace_src): Use note_uses.
1130 * rtl.h (note_uses): Declare.
1131 * rtlanal.c (note_uses): New.
1133 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1135 * reg-stack.c (stack_def): Make field reg unsigned.
1136 (remove_regno_note): Unsignetize parameter.
1138 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1140 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1141 shladd_operand() call.
1143 2001-02-16 Bruce Korb <bkorb@gnu.org>
1144 Rodney Brown <RodneyBrown@mynd.com>
1146 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1147 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1148 machine restrictions
1149 * fixinc/fixincl.x: regen
1151 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1153 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1155 (hash_scan_insn): Clean up calls to hash_scan_set.
1156 (compute_kill_rd): REGNO now unsigned.
1157 (try_replace_reg): Rework to use simplify_replace_rtx.
1158 (cprop_jump, cprop_cc0_jump): Likewise.
1159 (cprop_insn): Call find_reg_equal_equiv_note.
1160 Reflect changes to cprop_jump and cprop_cc0_jump.
1162 * recog.c (validate_replace_src): Replace in operands of
1163 ZERO_EXTRACT in SET_DEST.
1165 * cse.c (new_label_ref): New variable.
1166 (insert): Set it instead of recorded_label_ref.
1167 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1168 CODE_LABEL for this function, and not already in REG_LABEL note.
1170 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1172 * resource.c (mark_referenced_resources): Fix typo in introductory
1174 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1177 2001-02-16 Jason Merrill <jason@redhat.com>
1179 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1181 (gen_subprogram_die): Don't abort on seeing a second definition if
1182 the previous one was abstract. Don't replace an abstract instance
1183 in the lookup table.
1185 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1186 gen_abstract_function.
1187 * dwarf2out.h: Declare it.
1188 * toplev.c (note_outlining_of_inline_function): New fn.
1189 * toplev.h: Declare it.
1190 * integrate.c (output_inline_function): Call it.
1191 * c-decl.c (duplicate_decls): Call it when redefining an extern
1192 inline. Don't inline the new defn.
1194 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1196 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1198 * .gdbinit: Rename to gdbinit.in.
1199 * gdbinit.in: New file,
1200 * configure.in: Generate .gdbinit from gdbinit.in.
1201 * configure: Regenerated.
1202 * Makefile.in (distclean): Always remove .gdbinit.
1204 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1206 * objc/objc-act.c (start_class): Register implemented_classes with
1209 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1211 * cppfiles.c (_cpp_make_system_header): Generate a file
1214 2001-02-15 Jim Meyering <meyering@lucent.com>
1216 * Makefile.in (install-common): Don't depend on installdirs here.
1217 Instead, make each of the lang.install-common targets (e.g.,
1218 c++.install-common in cp/Make-lang.in) depend on it.
1219 (install-driver): Depend on installdirs.
1221 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1223 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1225 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1228 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1230 * invoke.texi (--param): Document.
1232 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1234 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1236 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1238 * i386.md (extendsfdf2_2): Fix constraints.
1240 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1242 * i386.md (fop_df_3 splitter): Fix operand number.
1244 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1246 * invoke.texi (-mreg-alloc): Nuke.
1247 * i386.c (ix86_reg_alloc_order, regs_allocated,
1248 order_regs_for_local_alloc): Nuke.
1249 (override_options): Kill reg_alloc code.
1250 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1251 (REG_ALLOC_ORDER): SSE goes before I387.
1252 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1253 (ix86_reg_alloc_order): Likewise.
1254 * i386-protos.h (ix86_reg_alloc_order): Kill.
1256 2001-02-14 Richard Henderson <rth@redhat.com>
1258 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1260 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1262 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1264 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1266 * i386-protos.h (ix86_memory_move_cost): Move offline.
1267 * i386.c (ix86_register_move_cost): Compute properly cost of
1268 SSE, MMX and i387 instructions.
1269 (*_cost): Add costs of SSE/MMX moves.
1270 (ix86_memory_move_cost): Move offline from ....; Likewise.
1271 * i386.h (MEMORY_MOVE_COST): .... here;
1272 (struct processor costs): Add new fields to represent costs
1275 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1277 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1278 move_cost together with Matt Kraai's fix.
1280 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1282 * Makefile.in (OBJS): Add params.o.
1284 2001-02-14 Richard Henderson <rth@redhat.com>
1285 DJ Delorie <dj@redhat.com>
1287 * jump.c (jump_optimize_1): When we delete a conditional jump
1288 preceeding a non-conditional jump to effectively the same place,
1289 make sure that the combined jump skips any clobber insns between
1292 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1294 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1296 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1298 * Makefile.in (toplev.o): Depend on params.h.
1299 (intergate.o): Likewise.
1300 (params.o): New target.
1301 * flags.h (inline_max_insns): Remove.
1302 * integrate.c: Include params.h.
1303 Use MAX_INLINE_INSNS instead of inline_max_insns.
1304 * params.c: New file.
1305 * params.h: Likewise.
1306 * params.def: Likewise.
1307 * toplev.c: Include params.h.
1308 (lang_independent_params): New variable.
1309 (decode_f_option): Use the param machinery instead of setting
1311 (independent_decode_option): Handle "--param name=value".
1312 (main): Register language-independent parameters.
1314 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1316 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1318 2001-02-14 Richard Henderson <rth@redhat.com>
1320 * regclass.c (init_reg_sets_1): Revert last two changes.
1322 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1324 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1325 (variable_size): Call put_pending_size.
1326 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1327 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1328 sizes list, put newly created SAVE_EXPR there as well.
1330 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1332 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1333 (errata_find_address_regs): load_group has only 2 entries.
1334 (errata_emit_nops): Likewise. shladd is not problematic.
1335 Clear last_group if nop was emitted.
1336 (fixup_errata): load_group has only 2 entries.
1339 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1341 * c-lex.c (lex_number): Only warn traditionally for U suffix
1342 outside system macros.
1343 * cppexp.c (parse_number): Similarly.
1344 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1345 * cppmacro.c (struct cpp_macro): New member node.
1346 (parse_args): Only warn about missing rest args if not
1348 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1349 (cpp_sys_objmacro_p): New.
1350 (_cpp_create_definition): Store the node with the macro defn.
1351 Remember if the macro is defined in a system header.
1353 2001-02-13 DJ Delorie <dj@redhat.com>
1355 * configure.in (check_languages): determine languages to check
1356 * Makefile.in (check-c++): alias for check-g++
1357 (check-f77): alias for check-g77
1358 (CHECK_TARGETS): depend on configured languages
1360 Wed Feb 14 01:13:59 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 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1369 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1370 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1371 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1372 (sqrtextendsfdf2): Disable for SSE2.
1374 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1376 * i386.md (movsfcc_1): Support integer cmove instruction.
1377 (movdfcc_1): Likewise; new splitter.
1379 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1381 * i386.c (output_fp_compare): Support SSE.
1382 (prepare_fp_compare_args): SSE comparisons always support memory.
1383 * i386.h (TARGET_CMOVE): SSE imply cmove.
1384 * i386.md (cmp?f2): Enable for SSE too.
1385 (cmpfp_i*): Support SSE.
1387 (cmpfp_i_sse_only): New.
1388 (s*, b* fp expanters): Enable for SSE too.
1389 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1392 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1394 * regclass.c (init_reg_sets_1): Silence warning.
1396 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1398 * i386.md (sqrt?f2): Change to expander.
1399 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1401 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1403 * rtlanal.c (find_reg_equal_equiv_note): New function.
1404 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1405 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1406 * rtl.h: Add declarations for above functions.
1408 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1410 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1412 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1413 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1414 * flow.c (mark_regs_live_at_end): Likewise.
1415 (calculate_global_regs_live): Likewise.
1416 * gcse.c (compute_hash_table): Likewise.
1417 (compute_kill_rd): Likewise.
1418 * resource.c (mark_target_live_regs): Likewise.
1419 * rtl.h (INVALID_REGNUM): New macro.
1421 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1423 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1425 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1427 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1430 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1432 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1434 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1435 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1436 (fop_sf_1_sse, fop_df_1_sse): New patterns
1437 (fop_*): Disable float_extend and float patterns for SSE compilation.
1438 * i386.c (output_387_binary_op): Support SSE.
1440 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1442 * i386.md (dummy_extendsfdf2): Support SSE2
1443 (extendsfdf2): Enable if 80387 or SSE2.
1444 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1445 and no MIX_I387_SSE2
1446 (extendsfdf2_1_sse_only): New pattern.
1447 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1449 (truncdfsf2_1): Support SSE.
1450 (truncdfsf2_2): Support SSE.
1451 (truncdfsf2_2_1_sse): New pattern.
1452 (fixtruncsfsi2): Always use SSE if available.
1453 (fix_truncsfsi_sse): New pattern.
1454 (fix_truncdfsi_sse): New pattern.
1455 (floatsis?f2): Support SSE.
1456 (floatsidf2_i387): New pattern.
1457 (floatsidf2_sse): Likewise.
1459 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1461 * configure.in: Use "have_gnat" variable, not "gnat".
1462 * configure: Regenerated.
1464 * config/sparc/sparc.c (function_value): Treat all non-record
1465 aggregate types like used to treat UNION_TYPE.
1467 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1469 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1470 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1472 (MASK_MIX_SSE_I387): New.
1473 (TARGET_SSE): SSE2 imply SSE.
1474 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1475 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1476 (enum reg_class): Add new classes.
1477 (REG_CLASS_NAMES): Likewise.
1478 (REG_CLASS_CONTENTS): Likewise.
1479 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1480 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1481 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1482 (CLASS_MAX_NREGS): Use new macros.
1483 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1484 * i386.md (pushsf, movsf): Support SSE.
1485 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1486 splitters to use ANY_FP_REGNO_P.
1487 (movdf_nointeger, movdf_integer): Likewise.
1489 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1491 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1492 (try_combine): Use it.
1494 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1496 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1497 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1498 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1499 (REGISTER_MOVE_COST): Likewise.
1500 * i386-protos.h (ix86_secondary_memory_needed,
1501 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1502 * i386.c (ix86_secondary_memory_needed,
1503 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1505 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1507 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1508 (HARD_REGNO_MODE_OK): Move offline to ....
1509 * i386.c (ix86_hard_regno_mode_ok) ... here;
1510 refuse all incorrect modes.
1511 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1513 2001-02-13 Richard Henderson <rth@redhat.com>
1515 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1516 entire operator; replicate that and match_dup the operands.
1517 (cmp_ccx_arith_op_set): Likewise.
1518 (cmp_cc_arith_op_not_set): Likewise.
1519 (cmp_ccx_arith_op_not_set): Likewise.
1521 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1523 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1525 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1527 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1528 (TARGET_NO_BITFIELD_WORD): New macro.
1529 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1530 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1532 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1534 * cselib.c: New file, from simplify-rtx.c.
1535 * simplify-rtx.c: Remove cselib parts.
1536 * Makefile.in: Add cselib.o.
1538 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1540 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1541 (setup_incoming_varargs): Remove warning.
1543 * config/rs6000/rs6000.c (validate_condition_mode): When
1544 flag_fast_math, allow floating-point conditionals to be reversed.
1545 (rs6000_generate_compare): When flag_fast_math, don't generate
1546 cror operations for FP conditionals.
1548 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1550 (ASM_SPEC): Likewise.
1551 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1552 (CC1_SPEC): Likewise.
1553 (LINK_TARGET_SPEC): Likewise.
1554 (CPP_ENDIAN_SPEC): Likewise.
1555 * Makefile.in (check-consistency): New target.
1557 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1559 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1560 "return type defaults" warning for functions with return type
1562 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1563 function declarations by default rather than only when pedantic.
1565 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1567 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1570 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1572 * extend.texi (Deprecated): Deprecate new initializer lists.
1574 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1576 * mkdeps.c (deps_add_default_target): Robustify. Add
1577 basename component only.
1578 * cpp.texi (-M): Describe how default target is generated.
1579 * invoke.texi (-M): Likewise.
1581 2001-02-12 Kazu Hirata <kazu@hxi.com>
1583 * toplev.c (push_float_handler): Remove.
1584 (pop_float_handler): Remove.
1585 * toplev.h: Remove prototypes for the above functions.
1587 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1589 * c-common.c (constant_fits_type_p): New function.
1590 (convert_and_check): Use it.
1592 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1594 * Makefile.in (GXX_ABI_FLAG): Don't define.
1595 * configure.in (--enable-new-gxx-abi): Remove option.
1596 * config.in: Regenerated.
1597 * configure: Likewise.
1599 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1601 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1603 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1604 regular basic block, and arrange for all edges into it to switch
1607 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1609 * Makefile.in (distclean): Do not remove .gdbinit.
1611 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1613 * Makefile.in (gcc.o): Fix typos.
1614 (protize.o): Likewise.
1615 (unprotoize.o): Likewise.
1617 2001-02-11 Richard Henderson <rth@redhat.com>
1619 * tree.c (build1): Check for null operand in last change.
1621 2001-02-11 Richard Henderson <rth@redhat.com>
1623 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1624 (fold): Don't assume a constant isn't foldable.
1625 * tree.c (build): Set TREE_CONSTANT for an expression with no
1626 side-effects and constant operands.
1629 2001-02-10 Richard Henderson <rth@redhat.com>
1631 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1633 2001-02-10 Anthony Green <green@redhat.com>
1635 * cpp.texi (Standard Predefined): Add documentation for
1638 * c-common.c (combine_strings): Improve warning message.
1640 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1642 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1644 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1646 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1648 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1651 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1653 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1656 2001-02-09 Nick Clifton <nickc@redhat.com>
1658 * config/arm/arm.md: Change output contraint on post inc
1659 load/store multiple patterns to be a read/write contraint.
1661 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1663 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1664 .o files when using the -M options.
1666 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1667 David Edelsohn <edelsohn@gnu.org>
1669 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1670 handle DImode constants. Use one TOC entry for SImode and smaller
1671 constants, aligned properly.
1673 2001-02-08 Jason Merrill <jason@redhat.com>
1675 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1676 about the SP adjustment for saving the static chain pointer.
1677 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1678 offset when setting a temporary CFA register.
1680 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1682 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1683 powerpc-*-chorusos* .
1684 * config/rs6000/chorus.h : New file.
1685 * config/i386/chorus.h : New file.
1686 * config/sparc/chorus.h : New file.
1687 * config/sparc/t-chorus-elf : New file.
1689 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1691 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1692 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1693 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1694 (__WCHAR_TYPE__): Correct macro name.
1696 2001-02-08 Richard Henderson <rth@redhat.com>
1698 * config/i386/i386.c (ix86_frame_pointer_required): New.
1699 (ix86_setup_frame_addresses): New.
1700 (struct machine_funciton): Add accesses_prev_frame.
1701 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1702 ix86_frame_pointer_required.
1703 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1704 (SETUP_FRAME_ADDRESSES): New.
1705 * config/i386/i386-protos.h: Update.
1706 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1707 from FRAME_POINTER_REQUIRED.
1708 * config/i386/svr3gas.h: Likewise.
1709 * config/i386/sysv3.h: Likewise.
1710 * config/i386/v3gas.h: Likewise.
1712 2001-02-08 Richard Henderson <rth@redhat.com>
1714 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1715 calculation of the number of integer registers required.
1716 (function_arg_record_value): Likewise.
1718 2001-02-08 Jason Merrill <jason@redhat.com>
1720 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1721 two. Print file and line with "confused" message.
1723 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1725 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1727 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1729 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1731 * final.c (cleanup_subreg_operands): The address of a MEM can
1734 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1737 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1739 * gcc.texi (Incompatibilities): Update documentation of
1740 preprocessing numbers.
1742 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1744 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1746 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1748 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1750 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1751 * gcc.c (struct compiler): Add cpp_spec field.
1752 (input_file_compiler): New variable.
1753 (do_spec_1): Allow a particular compiler to handle `%C'
1755 (main): Store the current compiler in input_file_compiler.
1756 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1758 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1760 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1761 * cppinit.c (cpp_create_reader): Initialize them.
1762 (append_include_chain): cxx_aware arg might be unused.
1763 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1764 keywords and give them their phase 7 meaning. Pedwarn about
1765 this unless '__bool_true_false_are_defined' is defined.
1767 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1769 * lcm.c (optimize_mode_switching): Emit mode_set before the
1770 JUMP_INSN of an abnormal edge.
1772 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1774 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1775 a scheduling barrier at the end.
1777 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1779 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1781 * config/sh/sh.md (reload_outsf): Removed.
1782 (movsf_ie): Introduce constraints for FPUL loads and stores.
1783 (reload_insf): Broaden the output constraint.
1785 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1787 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1788 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1790 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1792 * final.c: Revert my previous changes.
1793 * output.h: Make profile_label_no extern.
1794 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1795 for generating label.
1797 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1799 * config/i386/djgpp.h: Add comments about standard paths.
1800 (MD_EXEC_PREFIX): Undefine before defining.
1801 (MD_STARTFILE_PREFIX): New.
1803 2001-01-30 Bruce Korb <bkorb@gnu.org>
1805 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1806 (load_file): do not rely on load_file_data() to close file pointer
1807 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1808 fixinc/inclhack.def(irix_limits_const): add test_text
1810 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1812 * cppexp.c (parse_defined): Improve diagnostics for invalid
1815 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1817 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1819 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1821 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1822 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1823 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1824 (rs6000_output_symbol_ref): New function.
1825 (output_toc): Use VTABLE_NAME_P.
1827 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1829 * print-tree.c (print_node, case PARM_DECL):
1830 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1832 * stor-layout.c (reference_types_internal): New variable.
1833 (internal_reference_types): New function.
1834 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1835 * tree.h (internal_reference_types): New declaration.
1837 * cse.c (find_best_addr): Fix typo in computing cost.
1839 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1841 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1842 and this is the sum of a pointer and a constant, we know the result
1844 (num_sign_bit_copies, case PLUS): Likewise.
1845 * explow.c (convert_memory_address): Remove opposite SUBREG.
1846 * function.c (instantiate_new_reg): New function (from common code).
1847 (instantiate_virtual_regs_1): Call it.
1848 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1849 if pointers sign- or zero-extend.
1850 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1851 If pointers extend unsigned, use inside of SUBREG.
1852 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1854 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1856 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1857 subdir of gcc_gxx_include_dir.
1858 (gcc_gxx_target_include_dir): Remove.
1860 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1862 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1863 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1864 a high-level description.
1866 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1868 * final.c: Move the declaration of profile_label_no to ...
1869 * output.h: ... here.
1870 * function.c (expand_function_start): Call PROFILE_HOOK.
1871 * config/rs6000/aix.h: Define PROFILE_HOOK.
1872 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1873 * config/rs6000/rs6000.c (output_profile_hook): Define.
1874 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1875 output_profile_hook.
1876 tm.texi : Explain new macro PROFILE_HOOK.
1878 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1880 * extend.texi (Extended Asm): Do not say that semicolon is always
1881 a valid line-breaking character for GNU assemblers. Use
1882 newline-tab as the most commonly supported syntax. Use
1883 newline-tab rather than semicolon in multi-insn examples.
1885 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1887 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1889 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1890 David Edelsohn <edelsohn@gnu.org>
1892 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1893 code for AIX, even without flag_pic.
1895 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1897 * c-typeck.c (common_type): push and pop binding level around
1898 calling common_type on function parameters.
1900 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1902 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1904 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1906 * config/mips/mips.c (override_options): Fix typo in last change.
1907 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1908 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1910 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1912 * invoke.texi (-fdump-class-layout): Document.
1913 (-fdump-translation-unit): Use `=' as filename separator.
1915 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1917 * Makefile.in (s-mlib): Don't build multilibs if
1919 (DRIVER_DEFINES): Adjust accordingly.
1921 (protoize.o): Likewise.
1922 (unprotoize.o): Likewise.
1923 * configure.in: Recognize --enable-multilib.
1925 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1927 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1929 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1930 * configure.in: Remove --enable-libstdcxx_v3 support.
1931 * configure: Regenerated.
1933 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1935 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1936 Call abort instead of fatal.
1937 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1938 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1939 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1940 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1941 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1942 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1944 * diagnostic.h (set_internal_error_function): Renamed.
1945 * toplev.h (internal_error): Renamed from fatal.
1946 (pfatal_with_name): Deleted.
1947 (fatal_io_error): Now has printf-style arguments.
1948 * diagnostic.c (pfatal_with_name): Deleted.
1949 (fatal_io_error): Rework to have args in printf-style.
1950 (set_internal_error_function): Renamed from set_fatal_function.
1951 (internal_error): Renamed from fatal.
1952 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1953 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1954 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1955 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1956 * flow.c (verify_flow_info): Likewise.
1957 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1958 * config/mips/mips.c (save_restore_insns): Likewise.
1960 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1961 * flow.c (verify_flow_info): Likewise.
1962 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1963 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1964 (avr_normalize_condition): Likewise.
1965 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1966 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1967 (limit_reload_class, double_reg_to_memory): Likewise.
1968 (print_operand_address, emit_1600_code_shift): Likewise.
1969 (gen_tst_reg, gen_compare_reg): Likewise.
1970 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1971 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1973 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1975 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1976 * objc/objc-act.c (build_ivar_chain): Likewise.
1977 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1979 * graph.c (clean_graph_dump_file): Likewise.
1980 * profile.c (init_branch_prob): Likewise.
1981 * objc/objc-act.c (objc_init): Likewise.
1983 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1984 * config/avr/avr.c (avr_override_options): Likewise.
1985 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1986 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1987 * config/h8300/h8300.c (h8300_init_once): Likewise.
1988 * config/mips/mips.c (override_options): Likewise.
1989 * config/i386/i386.c (override_options): Likewise, rework.
1990 * config/m68k/m68k.c (override_options): Likewise.
1992 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1994 * config/mips/mips.c (print_operand): Likewise.
1995 * hash.c (hash_allocate): Don't check for failure returns from
1996 obstack functions that can't fail.
1997 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1998 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1999 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2000 (get_object_reference): Likewise.
2002 2001-02-04 Nick Clifton <nickc@redhat.com>
2004 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2005 StrongARM1110, 10TDMI, and 1020T.
2007 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2009 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2011 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2013 * config/sh/sh.md (movdf load split): Pass register number to
2014 FP_OR_XD_REGISTER_P.
2016 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2018 * cppinit.c (BC): New macro.
2019 (builtin_array): Add __GXX_WEAK__.
2020 * cpplib.h (builtin_type): Add BT_WEAK.
2021 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2022 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2023 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2025 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2027 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2029 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2031 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2032 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2034 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2036 * cpphash.h: Rename ALIGN _ALIGN.
2037 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2039 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2041 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2042 compilation environment.
2043 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2044 control over location of cygwin includes and libs.
2046 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2048 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2050 2001-02-02 lars brinkhoff <lars@nocrew.org>
2052 * md.texi (Standard Names): remove reference to spur.md.
2054 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2056 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2057 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2058 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2059 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2060 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2062 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2064 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2065 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2066 number before reload.
2067 (c4x_adjust_cost): Return zero before reload.
2068 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2069 split before reload.
2071 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2073 * c4x.c (c4x_hard_regno_rename_ok): New.
2074 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2075 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2077 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2079 * diagnostic.h: Add missing "extern" in all declarations.
2081 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2083 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2084 as for gcc_gxx_include_dir.
2086 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2088 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2090 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2092 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2093 label before alignment to be used as the braf base address.
2094 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2096 (casesi_jump_2): Require at least TARGET_SH2.
2098 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2099 truncation to 32-bit doubles on -m3e and -m4-single-only.
2101 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2103 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2104 the default when building a shared object.
2105 (init_spec): Use it.
2106 * testsuite/lib/g++.exp: Include the directory where libgcc
2107 is located to the LD_LIBRARY_PATH list.
2108 * invoke.texi (-shared-libgcc): Document the cases in which
2109 GCC defaults to using the shared libgcc.
2111 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2113 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2114 unsigned is wide enough.
2116 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2117 (si_to_float): Likewise.
2118 (float_to_si, float_to_usi): Use BITS_PER_SI.
2120 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2122 * dwarf2out.c: Added explanation of abbreviations.
2123 (def_cfa_1): Added comments listing DWARF2 instructions.
2124 (cfa_temp_reg): Removed in favor of cfa_temp.
2125 (cfa_temp_value): Removed in favor of cfa_temp.
2126 (cfa_temp): New global variable.
2127 (dwarf2out_frame_debug_expr): Added extensive introductory
2128 comments explaining the function's transformations. Revised to
2129 use cfa_temp. Added some rtx checking. Generalize IOR case.
2130 (dwarf2out_frame_debug): Revised to use cfa_temp.
2131 (output_aranges): Cast as "unsigned" to avoid warning.
2132 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2133 explain which instructions must be marked.
2135 2001-02-01 Richard Henderson <rth@redhat.com>
2137 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2140 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2142 * config/sh/crt1.asm (main_k): Modified so that start calls
2143 ___setup_argv_and_call_main.
2145 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2147 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2148 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2149 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2150 * cppmacro.c (builtin_macro): Set builtin flags here.
2151 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2152 (replace_args): Clarify intent.
2153 (cpp_get_token): Macro expansion tokens get the saved flags.
2155 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2158 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2160 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2163 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2165 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2166 returns Pmode pseudo, but we need ptr_mode.
2167 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2168 Remove bogus conversions; use HOST_WIDE_INT for size.
2169 Don't use TARGET if wrong mode.
2171 * config/i386/i386.c (ix86_compute_frame_size): Allow
2172 stack_alignment_needed to be non-default even if size is zero.
2174 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2176 * (hppa_init_pic_save): Emit the pic offset table
2177 reg save after last_parm_insn.
2178 * pa.c (hppa_init_pic_save): New function.
2179 * pa.h (hppa_init_pic_save): Declare.
2180 * pa.md (call, call_value, sibcall, sibcall_value): Use
2181 the above instead of duplicated code.
2183 * pa.c (hppa_encode_label): Correct size of alloca buffer
2184 so we don't overrun it. Correct leading `*' case.
2185 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2186 need to handle `*@'.
2187 (FUNCTION_NAME_P): Likewise.
2189 2001-01-31 Richard Henderson <rth@redhat.com>
2191 * config.gcc (alpha-osf5): Use float-i128.h.
2193 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2194 * config/float-i32.h: Likewise.
2195 * config/float-i64.h: Likewise.
2196 * config/float-sh.h: Likewise.
2197 * config/float-sparc.h: Likewise.
2199 2001-01-31 DJ Delorie <dj@redhat.com>
2201 * expmed.c (extract_bit_field): allow non-integral modes if we
2202 want to extract a whole register from itself.
2204 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2206 * c-typeck.c (set_init_index): If first is equal to last, assume as
2207 if it was not a range at all.
2209 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2211 * config/fp-bit.c: Include tm.h.
2212 (float_to_si): Don't assume SImode is 32-bits wide.
2213 (float_to_usi): Likewise.
2215 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2217 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2219 (typename): Call pending_xref_error after parsing typed_typespecs.
2220 * c-decl.c (lookup_tag): Give error immediately rather than
2221 leaving it pending if the tag of the wrong type is in the same
2223 (xref_tag): Don't pedwarn for forward declarations of enum types
2225 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2228 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2230 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2232 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2234 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2235 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2237 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2239 * cpphash.h (struct cpp_reader): New saved_flags.
2240 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2241 to avoid a paste after a pasted token.
2243 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2245 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2246 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2247 Wtype_MIN instead of LONG_MIN.
2249 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2251 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2253 * fixinc/fixincl.x: Regenerated.
2254 * fixinc/inclhack.def (irix_limits_const): New definition to
2255 convert "const" to "__const" in limits.h.
2257 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2259 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2261 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2263 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2264 when register dies in the insn.
2266 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2268 * diagnostic.c (fatal): Fix word wrap.
2270 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2272 * combine.c (try_combine): Fix SUBREG setting for
2273 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2275 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2277 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2280 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2282 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2284 * toplev.c (decode_W_option): Update warn_larger_than
2285 unconditionally for each processed switch.
2287 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2289 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2291 (hppa_expand_prologue): Delete code to save pic offset table register
2292 in the function prologue.
2293 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2294 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2295 table register at the beginning of the function after the prologue.
2297 2001-01-29 lars brinkhoff <lars@nocrew.org>
2299 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2301 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2302 Jeff Law <law@redhat.com>
2304 * pa.md (return): Revise comment for trivial return.
2305 (return_internal): Non-trivial return pattern for non-PIC code.
2306 (return_internal_pic): Non-trivial return pattern for PIC code.
2307 It uses the PIC register to ensure it is restored after
2309 (epilogue): Generate appropriate return for PIC and non-PIC code.
2311 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2313 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2315 2001-01-29 DJ Delorie <dj@redhat.com>
2317 * combine.c (if_then_else_cond): Pass the correct mode to
2318 operand_subword() for constants.
2320 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2322 * config/i386/cygwin.h: Add w32api to include search. Search different
2323 directories in a cross-build environment.
2325 2001-11-29 Tim Josling <tej@melbpc.org.au>
2327 * tree.h (TYPE_STUB_DECL): Add documentation.
2329 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2331 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2332 (sdbout_field_types): Likwise. Fix use of host_integerp.
2334 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2336 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2339 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2341 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2342 to use flag_gnu_linker.
2344 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2346 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2347 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2349 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2351 * tree.c, tree.h (build_parse_node): Remove; was identical to
2353 * c-lang.c (start_cdtor), objc/objc-act.c
2354 (build_module_descriptor): Use build_nt instead of
2357 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2359 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2360 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2361 not have any upper bits set.
2363 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2365 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2367 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2369 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2371 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2373 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2374 (integer_minus_one_node): Define.
2376 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2378 * Makefile.in (bootstrap2-lean): Fix typo.
2380 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2382 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2383 : Don't set fe_value.
2384 * cpplib.h (AVOID_LPASTE): New flag.
2385 (struct cpp_hashnode): Remove fe_value.
2386 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2387 * cppmacro.c (builtin_macro): Don't set flags here.
2388 (replace_args): Set AVOID_LPASTE flag on first token of an
2389 argument, and the token following it.
2390 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2391 macro expansion, and on the token following it. Do it for
2393 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2395 2001-01-27 Richard Henderson <rth@redhat.com>
2397 * config/alpha/t-ieee: Remove multilibbing.
2398 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2400 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2402 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2404 * Makefile.in: Remove all dependencies on defaults.h.
2405 * builtins.c: Don't include defaults.h.
2406 * c-common.c: Likewise.
2407 * c-decl.c: Likewise.
2408 * c-pragma.c: Likewise.
2409 * c-typeck.c: Likewise.
2410 * combine.c: Likewise.
2412 * frame-ia64.c: Likewise.
2413 * cppexp.c: Likewise.
2414 * crtstuff.c: Likewise.
2415 * dbxout.c: Likewise.
2416 * dwarf2out.c: Likewise.
2417 * dwarfout.c: Likewise.
2418 * emit-rtl.c: Likewise.
2419 * except.c: Likewise.
2421 * final.c: Likewise.
2422 * frame-dwarf2.c: Likewise.
2423 * libgcc2.c: Likewise.
2424 * optabs.c: Likewise.
2425 * profile.c: Likewise.
2426 * sdbout.c: Likewise.
2427 * toplev.c: Likewise.
2428 * tradcif.y: Likewise.
2430 * varasm.c: Likewise.
2432 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2434 * builtins.c (expand_builtin_fputs): Use size_one_node when
2435 transforming into fwrite.
2437 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2439 * extend.texi (Attribute Syntax): New section.
2441 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2443 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2444 they didn't need fixing.
2446 2001-01-27 Janis Johnson <janis@us.ibm.com>
2448 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2450 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2451 to remove macro definitions that are duplicated from elfos.h.
2453 2001-01-27 Richard Henderson <rth@redhat.com>
2455 * config/i386/sco5gas.h: Move ...
2456 * config/usegas.h: ... here.
2457 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2459 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2461 * c-typeck.c (struct constructor_stack): Add range_stack member.
2462 (really_start_incremental_init): Clear it.
2463 (push_init_level): Save constructor_range_stack and clear it if
2464 pushing explicit braces.
2465 (pop_init_level): abort if constructor_range_stack is non-zero at
2466 explicit closing brace. Restore saved constructor_range_stack if
2469 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2471 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2472 into register was forced into memory.
2474 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2476 * Makefile.in: Remove uses of + before $(MAKE).
2478 2001-01-26 Richard Henderson <rth@redhat.com>
2480 * stmt.c (cost_table): Remove.
2481 (COST_TABLE, cost_table_initialized): New.
2482 (estimate_case_costs): Use the later instead of the former.
2483 (balance_case_nodes): Likewise.
2485 2001-01-26 Richard Henderson <rth@redhat.com>
2487 * alias.c (objects_must_conflict_p): Read-only slots may not
2488 conflict despite having the same type.
2490 2001-01-27 Michael Hayes <mhayes@redhat.com>
2492 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2494 (check_ext_dependant_givs): Initialise u_start_val and
2496 (load_mems): Make last_max_reg unsigned.
2497 (try_swap_copy_prop): Use INSN_P and initialise set.
2499 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2501 * README.AVR : Removed.
2503 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2505 * pa-64.h (text_section): Remove declaration.
2507 * pa.md (return_internal): Remove mode on PIC register use.
2509 2001-01-25 lars brinkhoff <lars@nocrew.org>
2511 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2512 ASM_CLOSE_PAREN): fix typos.
2514 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2516 * acconfig.h: Define `const' to the empty string if neither
2517 __STDC__ nor __cplusplus is defined.
2518 * config.in: Regenerated.
2520 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2522 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2523 * collect2.c (main): Delete importf. Add ".obj" file extension.
2524 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2525 (aix_std_libs): Add additional AIX libraries to skip.
2526 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2527 * config/rs6000/aix51.h: New file.
2529 2001-01-25 Michael Hayes <mhayes@redhat.com>
2531 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2532 (loop_insn_emit_before): No longer static.
2533 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2534 (loop_givs_rescan, load_mems): Likewise.
2535 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2536 (maybe_eliminate_biv_1):
2537 (move_movables): Replace emit_call_insn_before with
2538 loop_call_insn_hoist.
2539 * loop.h (loop_insn_emit_before): Add.
2540 * unroll.c (copy_loop_body): Replace emit_insn_before with
2541 loop_insn_emit_before.
2543 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2545 * diagnostic.c (fatal): Request preprocessed source.
2547 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2549 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2550 olddecl has argument types and newdecl has none, use the argument
2553 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2555 * dwarf2out.c (prefix_of): New function. Determine longest common
2556 prefix of the two arguments. The units are whole path components.
2557 (output_file_names): When adding a new directory find the one entry
2558 with the longest common prefix already in the list. Artificially
2559 generate entry if there is none for this prefix.
2560 Fix test to check whether the zeroth directory entry is used.
2562 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2564 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2565 Changed all callers. Take it into account when deciding if a
2566 previously loaded value matches.
2568 2001-01-24 Richard Henderson <rth@redhat.com>
2570 * reload.c (find_reloads_subreg_address): Fail the substitution
2571 if the resulting address is insufficiently aligned.
2573 2001-01-24 DJ Delorie <dj@redhat.com>
2575 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2576 check the original operand's mode also.
2577 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2579 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2581 * c-parse.in (cast_expr): Move compound literals from here ...
2582 (primary): ... to here. Use standard terminology "compound
2583 literal" instead of "constructor expression".
2585 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2587 * gcc.1, cpp.1: Regenerate.
2589 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2591 * calls.c (emit_library_call_value_1): Memory slot for
2592 pass-by-reference argument should have the mode of the argument,
2593 not of the pointer to it.
2595 2001-01-24 Tom Tromey <tromey@redhat.com>
2597 * gcc.texi (G++ and GCC): Mention gcj manual.
2598 (Standards): Link to section of manual mentioning gcj/Java
2601 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2603 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2604 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2605 * tradcpp.c (main): Add -imacros or -include'd dependencies
2607 * cpp.texi (-M, -MM): Document -M -include behaviour.
2609 2001-01-24 Roger Collins <roger@ProProject.com>
2611 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2613 2001-01-24 Will Cohen <wcohen@redhat.com>
2615 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2616 whether registers are 32 bits or 64 bits in size.
2618 2001-01-24 Ben Elliston <bje@redhat.com>
2620 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2622 2001-01-24 Richard Henderson <rth@redhat.com>
2624 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2625 (builtin_longjmp): Use it instead of emit_indirect_jump.
2627 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2629 * bb-reorder.c (make_reorder_chain_1): Handle case where
2630 jump edge goes to the same block as the fallthru edge.
2632 2001-01-23 Jim Wilson <wilson@redhat.com>
2634 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2635 * frame.h (__ia64_personality_v1): Add prototype.
2636 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2637 prototype form. Add void * cast to first argument to personality
2639 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2640 (asctoe113): Likewise.
2641 * config/ia64/frame-ia64.c: Include eh-common.h.
2642 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2644 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2646 (itanium_split_issue): Add prototype.
2647 (gen_nop_type): Ifdef out.
2648 (find_best_packet): Initialize best_packet.
2649 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2651 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2652 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2653 (flushrs): Add explicit stop bit at end.
2654 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2657 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2659 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2661 * libgcc2.c (__terminate_func): Make variable static.
2662 (__terminate_set_func): New function to set __terminate_func.
2663 * libgcc2.h (__terminate_func_ptr): New typedef.
2664 (__terminate_set_func): New function.
2666 2001-01-23 Richard Henderson <rth@redhat.com>
2668 * flow.c (init_propagate_block_info): Don't consider unchanging
2669 memories for dead frame store elimination.
2671 2001-01-23 Richard Henderson <rth@redhat.com>
2673 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2674 * defaults.h: ... here.
2676 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2678 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2680 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2682 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2684 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2686 * rs6000.h (rs6000_return_addr): Move prototype from here...
2687 * rs6000-protos.h (rs6000_return_addr): ...to here.
2688 (rs6000_init_expanders): Delete prototype.
2690 2001-01-23 Nick Clifton <nickc@redhat.com>
2692 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2693 (Spec Files): Document %B and %j and %. and %v3 and %M and
2694 %{S*&T} spec switches.
2696 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2698 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2700 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2701 Neil Booth <neil@daikokuya.demon.co.uk>
2703 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2704 Have -Werror make pedantic warnings errors, like the
2707 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2709 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2711 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2713 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2714 * integrate.c (expand_inline_function): Initialize them.
2715 (subst_constants): If changing COMPARE so that both its arguments
2716 will be VOIDmode and the comparison mode will be lost, note
2717 compare_mode. Use the recorded compare_mode to optimize
2720 2001-01-23 Jason Merrill <jason@redhat.com>
2722 * dwarf2out.c (new_die): Use xcalloc.
2723 (output_die): Abort rather than emit a local reference to offset 0.
2725 2001-01-17 Andrew Haley <aph@redhat.com>
2727 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2728 of a saved register; return NULL instead.
2729 (copy_reg): Take a pointer to a source register rather than a
2731 (next_stack_level): Remember the address in the stack frame of all
2733 Use the saved register pointer array as the source of the CFA.
2734 (throw_helper): Rewrite. Unwind once rather than twice and keep
2735 track of saved registers as we go.
2737 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2739 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2740 * c4x.c (c4x_legitimize_reload_address): Remove.
2741 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2742 reload address for ldp(k) insn.
2744 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2746 * pa.md (return_internal): Add a USE of the PIC register to ensure
2747 it is restored after each call.
2748 (return expander): Corresponding changes.
2750 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2752 * rs6000.h (INIT_EXPANDERS): Delete.
2753 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2754 * rs6000.c (rs6000_override_options): Call *_machine_status from
2756 (rs6000_init_expanders): ...instead of here. Delete.
2757 (rs6000_mark_machine_status): New function.
2758 (rs6000_init_machine_status): Use xcalloc.
2759 (rs6000_return_addr): Generate RTX for the return address.
2760 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2761 (rs6000_stack_info): Use it.
2763 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2765 * gthr-win32.h: Include errno.h to get a declaration for
2766 EINVAL and _mingw.h if the target is mingw32.
2768 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2770 * cpp.texi: Correct typos.
2772 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2774 * explow.c (probe_stack_range): Ensure value passed to
2775 stack_check_libfunc is ptr_mode, not Pmode.
2777 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2779 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2780 case, don't use operand_subword to calculate a SUBREG that is
2783 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2785 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2787 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2788 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2789 valid. If not replace it by equivalent insns.
2791 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2793 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2794 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2795 (c4x_U_constraint, symbolic_address_operand): Likewise.
2796 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2798 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2799 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2800 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2801 anulling slot because of silicon bug.
2802 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2804 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2806 * cppexp.c (parse_charconst): Change `mask' type to agree
2809 2001-01-21 Richard Henderson <rth@redhat.com>
2811 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2812 pic_label_name in a linkonce section.
2814 2001-01-17 Philipp Thomas <pthomas@suse.de>
2816 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2818 * configure: Regenerate.
2820 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2822 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2823 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2825 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2827 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2828 If REVERSE nonzero then condition code in X must be reversed.
2829 (encode_section_info): Optimise if/else.
2830 (avr_function_value): Fix formatting.
2832 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2833 (difficult_branch): Likewise.
2834 (rvbranch): Likewise.
2835 (difficult_rvbranch): Likewise.
2837 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2839 * config/avr/libgcc.S: Fix comment.
2841 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2843 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2845 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2847 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2849 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2851 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2852 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2853 * configure, config.in: Regenerate.
2854 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2855 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2856 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2857 (doprint.o): New rule.
2859 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2861 * c-typeck.c (digest_init): Handle boolean types as scalars.
2863 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2865 * stmt.c (expand_return): Don't return anything if size is zero.
2866 Delete redundant assignment to BYTES.
2867 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2869 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2871 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2872 the same as the default library function names.
2873 * config/avr/avr.md: Document special characters after '%'.
2874 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2875 knowing which of the call-used registers are really clobbered.
2876 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2877 New. Both quotient and remainder from one libgcc.S call.
2878 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2879 clobber as few registers as possible.
2880 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2882 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2884 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2885 context of the top of the stack.
2887 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2889 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2890 (fixup_var_refs_insns): ...here.
2892 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2894 * function.c (fixup_var_refs_insns): Break up into
2895 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2896 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2897 [loop over hash table entries].
2898 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2899 fixup_var_refs_insns_with_hash, to match above changes.
2901 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2903 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2904 (libgcc.a): Likewise.
2905 (stmp-multilib): Likewise.
2906 (STAGE2_FLAGS_TO_PASS): Likewise.
2908 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2910 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2911 temporary if no_new_pseudos.
2913 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2915 * cppinternals.texi: Update.
2917 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2919 * arm.c (arm_init_builtins): Re-enable builtins.
2921 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2923 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2924 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2925 element to be null, and always expect an EXPR_LIST.
2926 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2927 * sched-deps.c (sched_analyze_1): Likewise.
2928 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2930 * regclass.c (max_set_parallel): New variable.
2931 (reg_scan): Take it into account in computation of max_parallel.
2932 (reg_scan_mark_refs, case SET): Compute it.
2934 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2936 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2937 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2939 2001-01-19 Jason Merrill <jason@redhat.com>
2941 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2942 for the abstract instance of an inline function.
2944 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2945 J"orn Rennecke <amylaar@redhat.com>
2947 * reload1.c (move2add_note_store): Treat all registers directly or
2948 indirectly derived from a base register as members of the same set
2950 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2951 of base register into account.
2953 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2955 * alias.c (find_base_value): Recognize TRUNCATE.
2956 (record_set): In PLUS case, invalidate if other summand is also a
2959 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2961 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2962 entry to be EXPR_LIST.
2963 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2964 be an EXPR_LIST (but not null, which other code doesn't allow).
2965 (note_stores): Properly handle PARALLEL in SET.
2966 Recursively call for top-level PARALLEL.
2967 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2968 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2970 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2972 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2974 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2975 not pfile->skipping (== 0).
2977 2001-01-17 Nick Clifton <nickc@redhat.com>
2979 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2982 2001-01-17 Jim Wilson <wilson@redhat.com>
2984 * invoke.texi (IA-64 options): Improve.
2986 2001-01-17 Tom Tromey <tromey@redhat.com>
2988 * invoke.texi (Optimize Options): Use `{}' to around @samp
2991 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2993 * invoke.texi (-fno-guess-branch-probability): New option.
2995 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2997 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2998 case of making new double-word constant.
2999 Revert last change: instead just test i3_subst_into_i2.
3001 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3003 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3004 Use q constraints instead of r.
3006 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3008 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3009 (machine_function): Define.
3010 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3011 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3012 pa_free_machine_status): New functions.
3013 (override_options): Set {init,mark,free}_machine_status to above.
3014 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3015 PIC_OFFSET_TABLE_REGNUM_SAVED.
3016 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3017 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3018 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3019 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3020 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3022 2001-01-15 DJ Delorie <dj@redhat.com>
3024 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3028 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3030 * flow.c (propagate_on_insn): Make trying to delete a prologue
3031 or epilogue insn an ICE, not a warning. Allow doing this if
3032 the current function returns with stack pointer depressed.
3034 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3035 I3 having more than one SET.
3037 2001-01-16 Jim Wilson <wilson@redhat.com>
3039 * invoke.texi: Document IA-64 options.
3041 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3042 (fixup_errata): Delete TARGET_A_STEP use.
3043 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3044 (TARGET_SWITCHES): Delete -ma-step option.
3045 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3046 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3047 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3048 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3049 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3050 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3052 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3053 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3054 cmovsi_internal): Delete ! TARGET_A_STEP check.
3056 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3058 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3059 possibility to report bugs via postal mail. Change a URL and
3060 merge in a nearly duplicate statement...
3061 (Bug Reporting): ...from here.
3062 (Service): Refer to the Bug Reporting section instead of
3064 (Contributing): Remove trivial explanations concerning snapshots.
3066 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3068 * cppmain.c (general_init): Don't use ANSI prototype.
3070 2001-01-16 Tom Tromey <tromey@redhat.com>
3072 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3074 2001-01-16 Richard Henderson <rth@redhat.com>
3076 * config/i386/i386.h: Fix comment typo.
3077 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3078 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3080 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3082 * gcc.c: Revert previous -fsyntax-only-related change; move
3085 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3087 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3088 inmode after checking GET_CODE (op).
3090 2001-01-16 Richard Henderson <rth@redhat.com>
3092 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3093 (MAX_MEM_SET_LIST_LEN): New.
3094 (propagate_one_insn): Update mem_set_list_len.
3095 (invalidate_mems_from_autoinc): Likewise.
3096 (invalidate_mems_from_set): Likewise.
3097 (mark_used_regs): Likewise.
3098 (init_propagate_block_info): Likewise. Stop collecting memories
3099 when we reach MAX_MEM_SET_LIST_LEN.
3100 (mark_set_1): Likewise.
3102 2001-01-16 Richard Henderson <rth@redhat.com>
3104 * unroll.c (precondition_loop_p): Fail if no iteration
3107 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3109 * gcc.c: When -fsyntax-only is given, do not complain about
3112 2001-01-15 Richard Henderson <rth@redhat.com>
3114 * config/i386/i386.c (asm_output_function_prefix): Remove.
3115 (ix86_asm_file_end): New.
3116 (load_pic_register): Generate pic_label_name into a
3117 staticly allocated buffer.
3118 * config/i386/i386-protos.h: Update.
3119 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3120 (ASM_FILE_END): New.
3121 * config/i386/i386afe.h: New file.
3122 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3123 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3124 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3125 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3126 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3127 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3128 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3130 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3132 * Makefile.in (install-man): Remove explicit dependency on
3135 * configure.in, configure: Revert previous patch requiring perl
3138 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3140 * toplev.c (flag_guess_branch_prob): New.
3141 (f_options): Add guess-branch-probability option.
3142 (rest_of_decl_compilation): Only estimate branch probability if
3144 (main): set flag_guess_branch_prob.
3146 * flags.h (flag_guess_branch_prob): New.
3148 2001-01-15 DJ Delorie <dj@redhat.com>
3150 * gcc.texi (Makefile): Add documentation for Makefile targets.
3152 2001-01-15 Philip Blundell <philb@gnu.org>
3154 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3156 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3157 (is_pic): Delete declaration.
3158 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3159 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3160 * config/arm/arm.md (builtin_setjmp_receiver): New.
3162 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3164 * arm.c (use_return_insn): Don't try to determine the function type
3165 until after reload has completed.
3166 (arm_output_epilogue): Don't adjust the sp value recovered from the
3168 (emit_multi_reg_push): Don't record dwarf information for the pc.
3169 * arm.md (eh_epilogue): The function type may have changed, so it
3170 needs to be recalculated.
3171 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3172 unwind tables on arm/netbsd.
3174 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3176 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3177 (negated_cbranchsi4): Likewise.
3179 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3181 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3182 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3183 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3184 pass -mapcs-* options to assembler.
3185 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3186 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3187 (ASM_SPEC): Call subtarget_extra_asm_spec.
3189 2001-01-15 Andreas Jaeger <aj@suse.de>
3191 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3193 (ix86_expand_builtin): Likewise.
3195 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3196 warning about comparison between signed and unsigned.
3198 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3200 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3202 2001-01-14 Ralf Baechle <ralf@gnu.org>
3204 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3205 SUBTARGET_CPP_SPEC apropriatly.
3207 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3209 * varasm.c (make_decl_rtl): Fix typo in last change.
3211 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3213 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3214 linker supports the init_priority C++ attribute.
3215 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3216 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3217 linker does not support init_priority C++ attribute.
3219 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3221 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3223 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3225 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3226 * cp/lex.c (finish_parse): Similarly.
3227 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3228 Return the number of errors encountered.
3229 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3230 * cppmain.c (main): Don't call cpp_destroy.
3232 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3234 * configure.in: Require at least perl 5.6.0 to regenerate
3236 * configure: Regenerate.
3238 2001-01-14 Richard Henderson <rth@redhat.com>
3240 * genrecog.c (DT_veclen_ge): New.
3241 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3242 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3243 (nodes_identical_1): Handle DT_veclen_ge.
3244 (write_cond, debug_decision_2): Likewise.
3246 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3248 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3250 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3252 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3254 * cppmain.c (do_preprocessing): New function; most of the old
3256 (main): Call it to do most of the work.
3257 (cb): Move from global scope to set_callbacks ().
3258 (setup_callbacks): Get the callback pointer.
3259 (general_init, printer_init): Clean up code and comments.
3261 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3263 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3266 2001-01-14 Kazu Hirata <kazu@hxi.com>
3268 * config/h8300/h8300.c (get_shift_alg): Update comments.
3270 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3272 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3273 (alloc_page, ggc_alloc): Add casts to remove warnings.
3275 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3277 * combine.c (simplify_comparison): Don't change `code' when
3278 can't reverse comparison.
3280 2001-01-14 Richard Henderson <rth@redhat.com>
3282 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3283 update all call sites. Return true for all non-label constants.
3285 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3287 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3289 (ix86_expand_branch): Update.
3290 (ix86_expand_setcc): Update to handle multiple test conditions.
3291 (expand_int_movcc): Likewise.
3292 (expand_fp_movcc): Likewise.
3293 * i386-protos.h (ix86_expand_compare): New.
3294 * i386.md (andqi_?_slp, orqi_?_slp): New.
3295 (conditional trap expander): Update call to ix86_expand_compare.
3297 2001-01-14 Richard Henderson <rth@redhat.com>
3299 * config/vax/vax.md: Use nonimmediate_operand instead of
3300 general_operand in destinations.
3302 * config/vax/vax.md (indirect_jump): Use register_operand.
3304 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3305 * config/vax/vax.md (call_pop): Turn into an expander.
3306 (call_value_pop): Likewise.
3307 (call, call_value): New.
3309 2001-01-14 Andreas Jaeger <aj@suse.de>
3311 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3313 (ix86_fp_compare_mode): Add unused attribute.
3314 (ix86_expand_fp_movcc): Remove unused variable.
3315 (ix86_expand_builtin): Make fcode unsigned.
3317 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3318 (expand_expr): Add cast to avoid signed warning.
3319 (store_field): Likewise.
3320 (store_constructor_field): Likewise.
3321 (store_constructor): Likewise.
3322 (store_expr): Likewise.
3323 (clear_storage): Likewise.
3324 (emit_group_store): Likewise.
3325 (emit_group_load): Likewise.
3327 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3329 * c-common.c: Move format checking code to ...
3330 * c-format.c: ... here. New file. Reorder some functions and
3332 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3334 * c-common.h (decl_handle_format_attribute,
3335 decl_handle_format_arg_attribute): Declare.
3336 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3337 (c-common.o): Adjust dependencies.
3338 (c-format.o): New list of dependencies.
3340 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3342 * unroll.c (loop_iterations): If we cannot prove iteration variable
3343 is set once in each iteration, punt.
3345 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3347 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3348 (*strlenhi): Remove clobber (which was buggy) of output address.
3350 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3352 * Makefile.in (generated-manpages): Add gcc.1
3353 ($(srcdir)/gcc.1): New target.
3354 (maintainer-clean): Delete $(srcdir)/gcc.1.
3355 * gcc.texi: Add macros @gccoptlist and @gol.
3356 * invoke.texi: Include option summary in manpage. Mark up option
3357 summary with @gccoptlist and @gol. Use @r in one place where
3359 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3360 * gcc.1: Generate from invoke.texi.
3362 2001-01-13 Richard Henderson <rth@redhat.com>
3364 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3365 (struct page_entry): Add group member.
3366 (struct page_group): New.
3367 (struct globals): Add page_groups member.
3368 (alloc_anon): Only define for using mmap; remove valloc call.
3369 (page_group_index): New.
3370 (set_page_group_in_use): New.
3371 (clear_page_group_in_use): New.
3372 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3373 (free_page, release_pages): Likewise.
3374 * configure.in (with-gc): Default to ggc-page always.
3376 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3378 * reload1.c (replace_pseudos_in_call_usage): Use
3379 reg_equiv_constant and reg_equiv_address, and don't try
3380 regno_reg_rtx first.
3382 2001-01-13 Richard Henderson <rth@redhat.com>
3384 * ggc-page.c (alloc_page): Round up allocation size to one page.
3385 Set e->order on extra pages.
3387 2001-01-13 Richard Henderson <rth@redhat.com>
3389 * genrecog.c (nodes_identical): Expand commentary.
3390 (write_switch): Watch out for identical nodes.
3392 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3394 * cppfiles.c (_cpp_fake_include): New function.
3395 * cpphash.h (_cpp_fake_include): New.
3396 * cpplib.c (do_line): Call _cpp_fake_include when entering
3397 header files in preprocessed input.
3398 * cppmain.c (cb_pragma_implementation): Remove handling.
3399 (setup_callbacks): Don't register pragmas.
3401 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3403 * extend.texi: Udate for CPP.
3405 2001-01-13 Andreas Jaeger <aj@suse.de>
3407 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3409 * regmove.c: Add prototype for replace_in_call_usage.
3411 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3413 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3414 struct cpp_chunk, struct htab, struct toklist,
3415 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3416 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3417 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3418 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3419 (struct macro_args): Delete.
3420 * cpphash.h: See above.
3422 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3424 * cppmain.c (struct printer): Remove no_line_dirs.
3426 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3427 : Use options rather than CPP_OPTION.
3428 (setup_callbacks): Use cb rather than pfile->cb.
3429 (main): No need to check for a buffer. Use cpp_errors.
3430 (printer_init): Don't set no_line_dirs.
3431 (maybe_print_line): Use options not no_line_dirs.
3432 (cb_file_change): Don't call print_line if -P.
3434 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3436 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3438 * c-parse.in (finish_parse): Use cpp_errors.
3439 (__yylex): Use return value of cpp_pop_buffer.
3440 * cp/lex.c (finish_parse): Use cpp_errors.
3441 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3443 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3445 * README.AVR: URLs corrected.
3447 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3449 * c-decl.c (start_function): Don't warn if old prototype is builtin
3450 that's not in C's namespace.
3451 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3452 (_bb): Add prototype for ctime.
3453 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3455 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3457 * i386.c (ix86_fp_comparison_arithmetics_cost,
3458 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3459 ix86_fp_comparison_cost): New functions.
3460 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3461 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3462 two-branch sequences; make static.
3463 (ix86_use_fcomi_compare): Do decision according to the costs.
3464 (split_fp_branch): New.
3465 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3466 * i386-protos.h (ix86_expand_fp_compare): Remove
3467 (ix86_split_fp_branch): Declare.
3469 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3470 and ix86_comparison_operator.
3472 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3475 * i386.c (put_condition_code): Output properly the unordered/ordered
3476 compares in fp case.
3477 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3479 * tm.texi (REVERSE_CONDITION): Document.
3480 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3481 in -ffast-math mode.
3482 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3484 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3486 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3488 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3491 * config/sh/sh.c (mova_p): Fix test for mova_const.
3493 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3495 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3496 cpp_get_options rather than dereferencing pfile and using
3498 * scan-decls.c (scan_decls): Use return value of
3499 cpp_pop_buffer rather than CPP_BUFFER.
3501 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3503 * cppinit.c (cpp_handle_option): help_only is now part of the
3504 cpp_options structure.
3505 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3506 cpp_set_callbacks): New functions.
3507 * cpplib.h (cpp_callbacks): Break out as a named structure.
3508 (cpp_options): Move help_only here from cpp_reader.
3509 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3510 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3511 cpp_set_callbacks): New prototypes.
3512 * cppmain.c (main): Update for help_only.
3514 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3516 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3517 Also build and remove and install and uninstall c-tree.info and
3519 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3520 ($(srcdir)/cppinternals.info): New target.
3521 * c-tree.texi: Change file name used when makeinfo used without -o
3522 from ir.info to c-tree.info. Add info directory entry.
3523 * cppinternals.texi: Add info directory entry.
3524 * .cvsignore: Update.
3526 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3528 * c-typeck.c (store_init_value): Don't require constant initializer
3529 elements with -pedantic -std=c99.
3530 (digest_init): Change error about non-constant initializer elements
3532 (constructor_range_end): Remove.
3533 (constructor_incremental, designator_depth,
3534 designator_errorneous): New variables.
3535 (struct constructor_stack): Remove range_end, add incremental.
3536 (struct constructor_range_stack, constructor_range_stack): New.
3537 (struct initializer_stack): Add constructor_range_stack.
3538 (finish_init): Set it.
3539 (start_init): Likewise. require_constant_elements for non-static
3540 trees only if not flag_isoc99.
3541 (really_start_incremental_init): Remove constructor_range_end, add
3542 constructor_incremental.
3543 (pop_init_level): Likewise.
3544 (push_init_level): Likewise. If implicit and the subobject had some
3545 value set already, preinitialize the level with it.
3546 Warn about missing braces only if not pushing due to designators.
3547 (set_designator, push_range_stack): New functions.
3548 (set_init_label): Use them.
3549 (set_init_index): Likewise. Remove constructor_range_end.
3550 Error if designator index is outside of array bounds.
3551 (add_pending_init): Compare values of purpose index trees, not the
3552 trees themselves. Allow overwriting of already initialized element.
3553 Issue a warning if it had side-effects.
3554 (set_nonincremental_init, set_nonincremental_init_from_string): New
3556 (pending_init_member): Rename to...
3557 (find_init_member): ...this function. Call set_nonincremental_init
3558 if necessary. Compare values of purpose index trees, not the trees
3559 themselves. Return the actual value, not just non-zero if something
3561 (output_init_element): Remove checks for duplicates.
3562 If field has zero size, only check the initializer for correctness.
3563 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3564 if constructor_incremental is zero. Change error about initializers
3565 not computable at load time into pedwarn.
3566 (output_pending_init_elements): Compare bit positions, not
3567 FIELD_DECLs to take into account zero-sized fields.
3568 (process_init_element): Use constructor_range_stack to fill all
3569 ranges in the designator lists from current level up.
3570 * extend.texi: Update documentation for labeled elements.
3572 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3574 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3575 to function usage for arguments passed by reference. Optimize
3576 callee-copied arguments.
3577 * regmove.c (replace_in_call_usage): New function.
3578 (fixup_match_1): Call it.
3579 * cse.c (cse_insn): Canonicalize registers in function usage.
3580 * reload1.c (replace_pseudos_in_call_usage): New function.
3583 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3586 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3588 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3591 2001-01-12 DJ Delorie <dj@redhat.com>
3593 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3594 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3597 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3599 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3600 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3601 -std options alongside references to -ansi. Update some
3602 documentation for C99.
3603 * cpp.1: Regenerate.
3605 2001-01-12 Andreas Jaeger <aj@suse.de>
3607 * haifa-sched.c (restore_line_notes): Remove argument block B
3609 * sched-ebb.c (schedule_ebb): Change caller.
3610 * sched-rgn.c (schedule_region): Likewise.
3611 * sched-int.h (restore_line_notes): Adjust prototype.
3613 * loop.h: Remove wrong declaration of doloop_condition_get.
3615 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3617 * extend.texi: Move C++-extension-related node from the C section
3618 into the C++ section.
3620 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3622 * extend.texi: Refer to an array of pointers to functions instead
3623 of one of functions.
3625 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3626 Jan Hubicka <jh@suse.cz>
3628 * combine.c (reversed_comparison): Fix typo in last patch.
3630 (combine_reversed_comparison_code): Make static to follow
3631 prototype declaration.
3633 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3635 * install.texi: Remove misplaced duplicate entry.
3637 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3639 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3641 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3643 * final.c: (leaf_function_p): Fix typo.
3645 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3647 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3648 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3650 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3651 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3652 mmap_anon, and valloc is available.
3653 * ggc-page.c: Restructure ifdef logic to match new autoconf
3654 spec. Don't throw away the test page in init_ggc.
3656 * configure, config.in: Regenerate.
3658 2001-01-12 Michael Hayes <mhayes@redhat.com>
3660 * loop.h (total_biv_increment): Constify iv_class pointer.
3661 (struct induction): Replace `mem_mode' with `mem' rtx.
3662 * unroll.c (total_biv_increment): Constify iv_class pointer.
3663 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3664 (find_mem_givs, combine_givs_p): Likewise.
3665 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3667 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3669 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3671 (__gthread_getspecific): Ditto.
3673 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3675 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3676 put_condition_code): Convert fp comparison codes to integer
3678 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3681 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3682 * i386-protos.h (no_comparison_operator): Kill.
3684 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3686 * combine.c (REVERSIBLE_CC_MODE): Remove.
3687 (reversible_comparison_p): Remove.
3688 (combine_reversed_comparison_code): New.
3689 (reversed_comparison): New.
3690 (combine_simplify_rtx): Use
3691 combine_reversed_comparison_code/reversed_comparison instead
3692 of reversible_comparison_p.
3693 (simplify_if_then_else): Likewise.
3694 (simplify_set): Likewise.
3695 (simplify_logical): Likewise.
3696 (if_then_else_cond): Likewise.
3697 (known_cond): Likewise.
3698 (simplify_comparison): Likewise.
3700 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3702 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3703 sizeof (int) is larger than sizeof(__word__).
3705 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3707 * cppinit.c (do_includes): Fix typo.
3709 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3711 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3712 in S_REGS does not occur because not all sources are possible
3713 when a S_REGS is a destination (sometimes needs a clobber).
3714 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3715 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3716 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3717 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3718 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3719 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3720 (lshrdi_const1, lshrsi3_const16): Likewise.
3721 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3722 (*movhi_68hc12, *movqi_68hc12): Likewise.
3723 (movstrictqi): Make sure reloading in D_REGS as a destination
3726 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3728 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3730 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3732 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3733 -D, -U and -A, and don't initialize the builtins.
3734 (do_includes): Error if -include or -imacros with -fpreprocessed.
3735 * cppmain.c (cb_define, cb_undef): Unconditionally process
3737 * tradcpp.c (main): Fix typo.
3739 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3741 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3742 (read_name_map): Use IS_ABSOLUTE_PATH.
3743 * tradcpp.c (get_filename): Likewise.
3745 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3747 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3748 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3749 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3750 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3751 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3752 (cmphi_z_used): Don't use '@' for the output.
3753 (tstqi_z_used): Likewise.
3754 (cmpqi_z_used): Likewise.
3755 (one_cmplsi2): Likewise.
3757 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3759 * config/sh/sh.c (barrier_align): Recognize branch around far
3760 branch and redundant insn.
3762 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3764 * invoke.texi: Restore documentation of the drivers' switches -MD
3767 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3769 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3771 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3772 check-objc//%): Support parallel testing of multilibs.
3773 (TESTSUITEDIR): Set to testsuite by default, but override for
3775 (check-gcc, check-g++, check-g77, check-objc): Enter
3778 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3780 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3781 * sched-deps.c (deps_may_trap_p): Likewise.
3782 * basic-block.h: Remove a comment.
3783 * flow.c (PROP_POSTRELOAD): Remove.
3784 (update_life_info): Don't add it to prop_flags.
3785 (mark_set_1): Lose the code that was enabled by it.
3787 2001-01-11 Michael Hayes <mhayes@redhat.com>
3789 * flow.c (flow_call_edges_add): New.
3790 * basic_block.h (flow_call_edges_add): New.
3792 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3794 * reload1.c (move2add_note_store): Update reg_set_luid even if
3795 base reg remains the same.
3797 2001-01-10 Nick Clifton <nickc@redhat.com>
3799 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3800 machine_function structure to zero.
3801 Add prototypes for machine_status functions.
3803 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3805 * c-common.h (CTI_VOID_LIST): Remove.
3806 (void_list_node): Likewise.
3807 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3808 (void_list_node): New macro.
3809 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3810 * config/i386/i386.c (ix86_init_builtins): Likewise.
3811 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3813 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3815 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3816 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3818 * tradcpp.c: Include mkdeps.h.
3819 (deps, print_deps_phony_targets, deps_append, output_deps,
3820 init_dependency_output, output_deps): New.
3821 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3822 deps_output): Delete.
3823 (print_deps_missing_files): Rename deps_missing_files.
3824 (inhibit_output): Make global.
3825 (main): Delete inhibit_output, deps_stream, deps_target.
3826 Use mkdeps functionality in the same way as cpplib. Remove
3827 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3828 -M and -MM. Remove old handling of deps via deps_out, and
3829 old reading of environment variables.
3830 (get_filename): Update to use deps_add_dep.
3832 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3834 * output.h (make_function_rtl): Remove prototype.
3835 (make_decl_rtl): Likewise.
3836 * varasm.c (make_function_rtl): Remove.
3837 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3838 than from a third parameter.
3839 * tree.h (make_decl_rtl): Remove last parameter.
3840 * c-decl.c (builtin_function): Remove last argument in call to
3841 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3842 (start_function): Likewise.
3843 * except.c (call_get_eh_context): Likewise.
3844 * expr.c (emit_block_move): Likewise.
3845 (clear_storage): Likewise.
3846 * profile.c (output_func_start_profiler): Likewise.
3847 * toplev.c (rest_of_decl_compilation): Likewise.
3848 * objc/objc-act.c (create_builtin_decl): Likewise.
3849 (synth_module_prologue): Likewise.
3850 (generate_static_reference): Likewise.
3851 (build_selector_reference_decl): Likewise.
3852 (build_class_reference_decl): Likewise.
3853 (build_objc_string_decl): Likewise.
3854 (build_protocol_reference): Likewise.
3856 2001-01-10 Richard Henderson <rth@redhat.com>
3858 * hwint.h: Revert yesterday's change.
3860 2001-01-10 Nick Clifton <nickc@redhat.com>
3862 * function.h (save_machine_status): Delete.
3863 (restore_machine_status): Delete.
3864 Amend comment describing {init|mark|free}_machine_status.
3866 * function.c (save_machine_status): Delete.
3867 (restore_machine_status): Delete.
3868 Amend comment describing {init|mark|free}_machine_status.
3869 (push_function_context_to): Remove invocation of
3870 save_machine_status.
3871 (pop_function_context_from): Remove invocation of
3872 restore_machine_status.
3874 * emit-rtl.c (init_emit_once): Amend comment describing
3875 {init|mark|free}_machine_status.
3877 * tm.texi (Per-Function Data): New node. Describe the
3878 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3881 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3883 * cppinit.c (OPT_g): Remove.
3884 (cpp_handle_option): Update for removed -g3.
3885 (print_help): Update.
3886 * cpplib.h (struct cpp_options): Remove debug_output.
3887 * cppmain.c (setup_callbacks, cb_define): Update.
3888 * gcc.c (cpp_options): Translate -g3 to -dD.
3890 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3892 * config/i960/i960.md: Change modifier to + on the zero_extract
3893 pattern after the (rotate -2 reg) canonicalization pattern.
3895 2001-01-10 Richard Henderson <rth@redhat.com>
3897 * config/alpha/alpha.c (alpha_free_machine_status): New.
3898 (override_options): Install it.
3899 (alpha_mark_machine_status): Verify machine non-null.
3900 * config/i386/i386.c (ix86_free_machine_status): New.
3901 (override_options): Install it.
3902 (ix86_init_machine_status): Use xcalloc.
3903 (ix86_mark_machine_status): Verify machine non-null.
3904 * config/ia64/ia64.c (ia64_free_machine_status): New.
3905 (ia64_override_options): Install it.
3906 (ia64_mark_machine_status): Verify machine non-null.
3908 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3910 * function.c (instantiate_virtual_regs): Instantiate virtual
3911 registers found in CALL_INSN_FUNCTION_USAGE.
3913 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3915 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3916 equivalent to -ansi in disabling -Di386.
3918 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3920 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3922 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3924 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3926 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3928 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3930 * invoke.texi: Document that -fcond-mismatch isn't supported for
3933 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3935 * gcc.texi: Define macro gcctabopt.
3936 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3937 @command, @env and @option in some places where appropriate. Use
3938 @gcctabopt where appropriate. Put URLs and email addresses inside
3941 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3943 * gcc.c (cpp_options): Set MD file name from output
3944 filename, if specified.
3945 (suffix_subst): New static variable.
3946 (do_spec): Clear it.
3947 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3949 (give_switch): Handle suffix_subst.
3951 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3953 * invoke.texi: Fix another typo.
3955 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3957 * invoke.texi: Fix typo.
3959 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3961 * c-lang.c (lang_hooks): Update.
3962 (lang_decode_option): Remove.
3963 (lang_init_options): Rename c_init_options.
3964 * toplev.c (main): Use lang_hooks for lang_init_options
3965 and lang_decode_option.
3966 * toplev.h (lang_hooks): Add 2 new hooks.
3967 * tree.h: Remove lang_init_options and lang_decode_option.
3968 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3969 * cp/decl2.c: Similarly.
3970 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3971 (lang_hooks): Update.
3972 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3974 (lang_init_options): Rename ffe_init_options.
3975 (lang_hooks): Update.
3976 (lang_decode_option): Remove.
3977 * java/lang.c (lang_init_options): Rename java_init_options.
3978 (lang_decode_option): Rename java_decode_option.
3979 (lang_hooks): Update.
3980 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3981 (lang_decode_option): Rename objc_decode_option.
3982 (lang_hooks): Update.
3984 2001-01-09 Nick Clifton <nickc@redhat.com>
3986 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3987 (d30v_return_addr_rtx): Delete.
3988 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3989 cfun->machine structure.
3990 (struct machine_function): Move to d30v.h
3991 (d30v_save_machine_status): Delete.
3992 (d30v_restore_machine_status): Delete.
3993 (d30v_init_machine_status): New Function.
3994 (d30v_mark_machine_status): New Function.
3995 (d30v_free_machine_status): New Function.
3996 (d30v_init_expanders): Use new functions.
3997 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3998 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3999 d30v_return_addr_rtx.
4001 * config/d30v/d30v.h (struct_machine): Move here.
4002 Add eh_epilogue_sp_ofs field.
4004 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4005 field in cfun->machine structure.
4007 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4009 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4010 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4011 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4013 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4015 * objc/lang-options.h: Remove bogus reference to
4018 2001-01-09 Kazu Hirata <kazu@hxi.com>
4020 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4023 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4025 * reload.c (find_reloads_address): Check for eliminable registers
4026 when substituting a constant expression for a pseudo.
4028 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4030 * c-common.c (enum format_type): Add format_type_error.
4031 (decode_format_type): New function.
4032 (decl_attributes): Use it.
4033 (format_kind_info): Adjust comment.
4035 2001-01-09 David O'Brien <obrien@BSDi.com>
4037 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4038 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4040 * config/i386/gnu.h: Don't include required platform specific .h files,
4041 tm.h will do it instead.
4042 * config/i386/i386elf.h: Likewise.
4043 * config/i386/linux.h: Likewise.
4044 * config/i386/moss.h: Likewise.
4045 * config/mips/gnu.h: Likewise.
4047 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4049 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4050 (rs6000-ibm-aix3.[01]*): Likewise.
4051 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4052 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4053 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4054 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4055 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4056 (powerpc-*-eabiaix*): Likewise.
4057 (powerpc-*-eabisim*): Likewise.
4058 (powerpc-*-elf*): Likewise.
4059 (powerpc-*-eabi*): Likewise.
4060 (powerpc-*-rtems*): Likewise.
4061 (powerpc-*-linux*libc1): Likewise.
4062 (powerpc-*-linux*): Likewise.
4063 (powerpc-wrs-vxworks*): Likewise.
4064 (powerpcle-wrs-vxworks*): Likewise.
4065 (powerpcle-*-sysv*): Likewise.
4066 (powerpcle-*-elf*): Likewise.
4067 (powerpcle-*-eabisim*): Likewise.
4068 (powerpcle-*-eabi*): Likewise.
4069 (powerpcle-*-solaris2*): Likewise.
4070 * config/rs6000/aix31.h: Delete includes.
4071 * config/rs6000/aix3newas.h: Likewise.
4072 * config/rs6000/aix41.h: Likewise.
4073 * config/rs6000/aix43.h: Likewise.
4074 * config/rs6000/beos.h: Likewise.
4075 * config/rs6000/rtems.h: Likewise.
4076 * config/rs6000/sysv4.h: Likewise.
4078 2001-01-09 Kazu Hirata <kazu@hxi.com>
4080 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4081 Change an argument mode of machine_mode to shift_mode of
4082 shift_mode. Remove an extra error check.
4083 (emit_a_shift): Adopt to the new calling prototype of
4085 (function_prologue): Fix code for a monitor
4086 function. Support H8/S.
4087 (function_epilogue): Do not output pop for a monitor function.
4089 2001-01-09 Nick Clifton <nickc@redhat.com>
4091 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4092 (setup_incoming_varargs): Use sysv_varargs_p field of the
4093 cfun->machine structure.
4094 (struct machine_function): Move to rs6000.h
4095 (rs6000_save_machine_status): Delete.
4096 (rs6000_restore_machine_status): Delete.
4097 (rs6000_init_machine_status): New Function.
4098 (rs6000_free_machine_status): New Function.
4099 (rs6000_init_expanders): Use new functions.
4101 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4103 (struct machine_function): Move here.
4105 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4106 sysv_varargs_p field of the cfun->machine structure.
4108 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4110 (rs6000_restore_machine_status): Remove prototype.
4112 2001-01-09 Richard Henderson <rth@redhat.com>
4114 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4115 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4116 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4117 (sched_analyze_2, sched_analyze_insn): Likewise.
4118 (sched_analyze, init_deps): Likewise.
4119 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4120 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4121 (compute_block_backward_dependences): Update propagate_deps call.
4123 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4125 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4127 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4129 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4130 (cpp_handle_option): Handle them.
4131 (cpp_post_options): Ensure one of -M or -MM is specified with
4132 any other -M? option.
4133 (init_dependency_output): Suppress output with -MG.
4135 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4138 * invoke.texi: Update.
4140 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4142 * sh.md (reload_outsf): Generate recognizable patterns for
4145 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4147 * c-lang.c (lang_hooks): Update.
4148 (lang_init): Rename c_init.
4149 (lang_finish): Remove.
4150 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4152 * toplev.h (lang_hooks): Add init () and finish ().
4153 * tree.h (lang_init, lang_finish): Remove.
4154 * cp/tree.h (lang_init, lang_finish): Remove.
4155 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4156 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4158 (lang_init, lang_finish): Remove.
4159 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4160 (lang_hooks): Update.
4161 * java/lang.c (lang_init): Rename java_init.
4162 (lang_finish): Remove.
4163 (lang_hooks): Update.
4164 * objc/objc-act.c (lang_init): Rename objc_init.
4165 (lang_finish): Remove.
4166 (lang_hoooks): Update.
4168 20001-01-09 Graham Stott <grahams@redhat.com>
4170 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4171 after `ptr` is initialised.
4173 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4175 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4176 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4177 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4178 stack adjusts, instead of r3.
4180 2001-01-09 Michael Hayes <mhayes@redhat.com>
4182 * flow.c (flow_loop_scan): Break out of ...
4183 (flow_loops_find) ... here.
4184 * basic-block.h (flow_loop_scan): New.
4185 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4186 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4188 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4190 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4192 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4193 realloc()ing macro_buffer.
4195 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4196 if it's wider than long and the target's long is wider than the
4199 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4201 Remove support for using UWIN as a host machine.
4202 * configure.in: Issue an error message.
4203 * configure: Regenerated.
4204 * config.gcc: Remove xm_* UWIN configury.
4205 * config/i386/xm-uwin.h: Remove.
4207 2001-01-08 Nick Clifton <nickc@redhat.com>
4209 * config/v850/v850.c (ra_rtx): Delete.
4210 (v850_save_machine_status): Delete.
4211 (v850_restore_machine_status): Delete.
4212 (v850_init_machine_status): New function.
4213 (v850_mark_machine_status): New function.
4214 (v850_free_machine_status): New function.
4215 (v850_return_addr): Use ra_rtx field in machine structure.
4216 (v850_init_expanders): Use new functions.
4218 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4219 * config/v850/v850.c: Change arguments to v850_output+* functions
4220 to take a const char *, to avoid compile time warning.
4221 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4222 (USER_LABEL_PREFIX): Redefine.
4224 2000-01-08 Jim Wilson <wilson@redhat.com>
4226 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4227 1 to unsigned HOST_WIDE_INT before left shift.
4229 2001-01-08 Nick Clifton <nickc@redhat.com>
4231 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4232 the machine structure has been allocated.
4233 (arm_free_machine_status): New function: Free the machine
4234 specific function structure.
4236 2001-01-08 Richard Henderson <rth@redhat.com>
4238 * jump.c (simplejump_p): Revert last change.
4240 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4242 * cppinit.c (init): Rename init_library.
4243 (cpp_create_reader): Update.
4244 * gcc.c (cpp_options): If -o given, use it as the target of
4247 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4249 * arm.c (arm_arch5e): New variable.
4250 (all_cores): XScale is a 5TE device.
4251 (arm_override_options): Set arm_arch5e.
4252 (arm_init_builtins): __builtin_prefetch is in arch5e.
4253 * arm.h (arm_arch5e): Declare it.
4255 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4257 * arm.md (define_constants): Add defines for UNSPEC and
4258 UNSPEC_VOLATILE insns. Update all users.
4259 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4260 * arm.c (multi_register_push, note_invalid_constants)
4261 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4262 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4263 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4265 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4267 * jump.c (jump_optimize_1): Use reversed_comparison_code
4268 instead of can_reverse_comparison_p.
4269 (jump_back_p): Likewise.
4270 (invert_exp_1): Likewise.
4271 (thread_jumps): Likewise.
4272 * simplify-rtx.c (simplify_unary_operation): Likewise.
4273 (simplify_ternary_operation): Likewise.
4274 * cse.c (find_comparison_args): Convert to use
4275 can_reverse_comparison_p.
4276 (record_jump_equiv): Likewise.
4278 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4280 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4281 (EPILOGUE_USES): Define.
4282 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4283 automatically stack the LR if it isn't live.
4285 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4287 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4290 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4292 * ggc-page.c (max_alignment): New structure.
4293 (MAX_ALIGNMENT): New macro.
4294 (init_ggc): Use it to round up the sizes in the
4295 extra_order_size_table.
4297 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4299 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4302 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4304 * builtins.def (BUILT_IN_FPRINTF): New entry.
4306 * c-common.c (c_expand_builtin_fprintf): New function.
4307 (init_function_format_info): Handle __builtin_fprintf.
4308 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4309 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4311 * c-decl.c (duplicate_decls): Adjust comment.
4313 * extend.texi (fprintf): Document new builtin.
4315 2001-01-07 Richard Henderson <rth@redhat.com>
4317 * jump.c (simplejump_p): Recognize any single_set jump
4320 2001-01-07 Richard Henderson <rth@redhat.com>
4322 * configure.in (slibdir): Accept an --with-slibdir option.
4323 Use "test" not "[" in configure. Default to $(libdir).
4325 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4327 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4328 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4329 (SHLIB_LINK): Create links for the soname.
4330 * config/mips/t-iris6: Likewise.
4331 * config/sparc/t-slibgcc: Likewise.
4332 * config/sparc/t-slibgcc-sld: Likewise.
4334 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4336 * config/i386/i386.c (constant_call_address_operand): Accept
4337 (const (plus (symbol_ref) (const_int))).
4338 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4339 constant_call_address_operand.
4341 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4343 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4344 and LONG_LONG_TYPE_SIZE > 32.
4346 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4348 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4349 the previous change.
4351 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4353 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4355 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4356 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4357 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4360 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4362 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4364 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4366 * c-lang.c (c_post_options): Call cpp_post_options.
4367 * objc/objc-act.c (objc_post_options): Similarly.
4368 * cppmain.c (main): Similarly.
4369 * fix-header.c (read_scan_file): Similarly.
4370 * cppinit.c (cpp_start_read): Move option consistency checks
4371 to cpp_post_options. Don't call init_dependency_output.
4372 If needed, add default target and main file dependency.
4373 (OPT_MD, OPT_MMD): Remove.
4375 (cpp_handle_option): Update for OPT_* changes.
4376 (cpp_post_options): New.
4377 (init_dependency_output): Command line -MF overrides environment
4378 variables. Don't set default target etc. Suppress output
4379 if dependencies are going to stdout.
4380 (print_help): Update.
4381 * cpplib.h (cpp_post_options): New.
4382 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4384 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4386 * jump.c (comparison_dominates_p): Support unordered compares.
4388 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4390 * simplify-rtx.c (simplify_relational_operation): Always simplify
4391 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4394 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4396 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4397 (nonzero_bits): Likewise.
4398 (simplify_comparison): Likewise.
4399 (num_sign_bit_copies): Likewise; return more sane value depending
4400 on STORE_FLAG_VALUE.
4401 (known_cond): Do not assume EQ to be always true for equivalent
4404 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4406 * cse.c (fold_rtx): Handle unordered comparisons.
4408 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4410 * rtlanal.c (set_of_1): New static function.
4411 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4412 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4413 reg_set_last_last_regno): Remove.
4414 (set_of): New global function.
4415 (set_of_data): New structure.
4416 (reg_set_p, reg_set_last): Revamp for set_of.
4417 * rtl.h (set_of): New.
4419 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4421 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4422 * extend.texi: Document _Exit builtin.
4424 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4426 * (initialize, initialize_builtins,
4427 initialize_dependency_output, initialize_standard_includes):
4428 Rename s/initialize/init. Update.
4429 (init_dependency_output): Move to after
4430 cpp_handle_options, the correct location temporally at least.
4431 (opt_comp): Move next to init (), its caller. Fix prototype.
4432 (init): Make "initialized" local scope.
4433 (cpp_create_reader): Always call init ().
4434 (cpp_start_read): Update.
4435 (output_deps): New function, broken out of cpp_finish.
4436 (cpp_finish): Break out output_deps.
4438 2001-01-07 Richard Henderson <rth@redhat.com>
4440 * collect2.c (COFF specific stuff): Revert 12-06 patch
4441 to prototype system functions.
4443 2001-01-07 Michael Hayes <mhayes@redhat.com>
4445 * hard-reg-set.h: Add multiple include guard.
4446 * basic-block.h (struct loop): Add `sink' field.
4447 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4448 (emit_iv_add_mult): Delete.
4449 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4450 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4451 (unroll_loop): Remove end_insert_before argument.
4452 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4453 (maybe_eliminate_biv_1): Likewise.
4454 (emit_iv_add_mult): Delete.
4455 (gen_add_mult, loop_regs_update): New.
4456 (loop_insn_emit_after, loop_insn_emit_before): New.
4457 (loop_insn_sink, loop_insn_sink_or_swim): New.
4458 (emit_iv_add_mult): Delete.
4459 (scan_loop): Set loop->sink.
4460 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4461 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4462 (maybe_eliminate_biv_1): Likewise.
4463 (maybe_eliminate_biv_1): Add basic block argument.
4464 * unroll.c (unroll_loop): Remove end_insert_before argument.
4465 (find_splittable_regs): Likewise.
4466 (find_splittable_regs): Use loop_insn_sink and its ilk.
4467 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4469 2001-01-07 Michael Hayes <mhayes@redhat.com>
4471 * loop.h (loop_insn_hoist): New prototype.
4472 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4473 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4474 (check_dbra_loop, load_mems): Likewise.
4475 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4476 (find_splittable_givs): Likewise.
4478 2001-01-07 Michael Hayes <mhayes@redhat.com>
4480 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4482 2001-01-07 Richard Henderson <rth@redhat.com>
4484 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4486 2001-01-07 Richard Henderson <rth@redhat.com>
4488 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4489 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4490 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4491 variant that handles a shared libgcc.
4492 (process_command): Always validate -{static,shared}-libgcc.
4493 (do_spec_1): New 'M' case.
4494 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4496 2001-01-07 Richard Henderson <rth@redhat.com>
4498 * Makefile.in (slibdir): New variable.
4499 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4500 (installdirs): Create slibdir.
4501 (install-libgcc, install-multilib): Defer to libgcc.mk.
4502 * configure.in (slibdir): Substitute.
4503 * mklibgcc.in (install): New target.
4505 * config/t-linux (SHLIB_LINK): Create links for the soname.
4506 (SHLIB_INSTALL): New.
4507 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4508 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4509 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4510 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4511 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4513 2001-01-07 Richard Henderson <rth@redhat.com>
4515 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4516 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4517 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4519 2001-01-07 Michael Hayes <mhayes@redhat.com>
4521 * loop.c (count_loop_regs_set): Delete.
4522 (load_mems_and_recount_loop_regs_set): Delete.
4523 (loop_regs_scan): Merge common code from count_loop_regs_set,
4524 scan_loop, and load_mems_and_recount_loop_regs_set.
4525 (scan_loop): Call load_mems directly and loop_regs_scan
4526 again if new registers created.
4528 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4530 * toplev.c (main): Call the front-end specific post_options
4531 hook if one is given.
4532 * toplev.h (struct_lang_hooks, lang_hooks): New.
4533 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4534 for the C front end.
4535 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4536 lang_hooks for the C++ front end.
4537 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4538 lang_hooks for the ObjC front end.
4539 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4540 * java/lang.c (lang_hooks): Hooks for the Java front end.
4542 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4544 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4545 for verbose DWARF[2] debugging.
4546 (cb_define, cb_undef): The new callbacks.
4547 * toplev.h (debug_define, debug_undef): Make const correct.
4548 * toplev.c (debug_define, debug_undef): Similarly. Do not
4549 perform the verbosity tests here anymore.
4551 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4553 * reload.c (subst_reloads): Take INSN argument. When
4554 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4555 * reload.h (subst_reloads): Adjust prototype.
4556 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4557 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4558 present in JUMP_INSNs and copy them to JUMP_LABEL.
4559 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4560 JUMP_INSNs and insns with REG_LABELs that are followed by
4561 JUMP_INSNs with the same REG_LABEL.
4562 * sched-rgn.c (is_cfg_nonregular): Likewise.
4563 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4565 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4567 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4569 2001-01-06 Richard Henderson <rth@redhat.com>
4571 * loop.c (scan_loop): Use xcalloc for the regs array.
4572 (load_mems_and_recount_loop_regs_set): Zero the new memory
4573 received from xrealloc.
4575 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4577 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4579 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4581 * integrate.c (copy_rtx_and_substitute): When copying
4582 an ignored return value, strip REG_FUNCTION_VALUE_P.
4584 2001-01-06 Michael Hayes <mhayes@redhat.com>
4586 * loop.c (debug_biv, debug_giv): New.
4587 (loop_biv_dump): Break out from ...
4588 (record_biv): ... here.
4589 (loop_giv_dump): Break out from ...
4590 (record_giv): ... here.
4591 (loop_bivs_check): Use print_simple_rtl.
4592 * unroll.c (loop_iterations): Use print_simple_rtl.
4594 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4596 * pa.md (return, return_internal): Modify patterns to prevent regrename
4597 mucking with the return pointer.
4599 2001-01-05 Richard Henderson <rth@redhat.com>
4601 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4603 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4605 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4606 version supplied by Matteo Frigo.
4608 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4610 * cpp.texi: Update for -MQ.
4611 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4612 (cpp_cleanup): Always free pfile->deps.
4613 (initialize_dependency_output): Don't create pfile->deps.
4614 (cpp_handle_option): Similarly.
4616 * gcc.c (cpp_options): Handle -MQ.
4617 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4618 * mkdeps.c (base_name): Remove.
4619 (deps_init): Don't allocate vector space until it's needed.
4620 (deps_free): Only free vectors if allocated.
4621 (deps_add_target, deps_add_dep): Update for initial allocation.
4622 (deps_add_default_target): Don't strip to the base_name.
4624 2001-01-05 DJ Delorie <dj@redhat.com>
4626 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4627 (INIT_EXPANDERS): Define.
4629 * config/v850/v850.c (struct machine_function): Define.
4630 (v850_save_machine_status): New function.
4631 (v850_restore_machine_status): New function.
4632 (v850_return_addr): New function.
4633 (v850_init_expanders): New function.
4635 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4636 and v850_init_expanders.
4638 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4640 * cpplib.h (struct cpp_reader): Add help_only field.
4641 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4642 (cpp_handle_option): Set pfile->help_only if we see -h,
4643 --help, -target-help, or --version. Print version string but
4644 do not set help_only if we see -v or -version. Make text
4645 printed by -v match that printed by (-)-version.
4647 * cppmain.c (main): Exit after option parsing if
4648 pfile->help_only is true.
4650 * toplev.c (independent_decode_option): Call print_version,
4651 then exit, if we see --version (but not -version).
4652 (print_version): Split lengthy message into two lines.
4654 2001-01-05 Nick Clifton <nickc@redhat.com>
4656 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4657 temporary string for initialisation before calling ggc_alloc_string.
4659 2001-01-06 Michael Hayes <mhayes@redhat.com>
4661 * rtl.h (print_simple_rtl): New.
4662 * print-rtl.c (print_simple_rtl): New.
4664 (print_rtx): Disable printing of flags and modes, etc.,
4665 if `flag_simple` nonzero.
4667 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4669 * function.c (fixup_var_refs): Use push_to_full_sequence where
4672 2001-01-05 Michael Meissner <meissner@redhat.com>
4674 * flags.h (flag_reorder_blocks): Add declaration.
4675 (flag_rename_block): Ditto.
4677 2001-01-05 DJ Delorie <dj@redhat.com>
4679 * function.c (reorder_blocks): Make sure the flags are all reset
4680 before using them to mark blocks, else a second invocation will
4681 corrupt the block chain.
4682 (reorder_blocks_0): New, resets the flags.
4684 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4686 * cse.c (find_comparison_args): Stop if the argument is known to
4689 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4691 * config/sh/sh.md (movdf): When splitting load into pair of
4692 registers, don't clobber the register used in the address too
4695 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4697 * varasm.c (mark_constant_pool): Improve initial comments.
4698 (mark_constants): Move marking of constants to mark_constant.
4699 (mark_constant): New function to recursively mark all constants
4700 referred to by a constant.
4702 2001-01-05 Catherine Moore <clm@redhat.com>
4704 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4706 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4708 * cp/lang-options.h: Bring comment in line with reality.
4709 * f/lang-options.h: Likewise.
4710 * java/lang-options.h: Likewise.
4711 * objc/lang-options.h: Likewise.
4712 * ch/lang-options.h: Likewise.
4713 * f/g77.texi: And update the manual.
4715 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4716 Denis Chertykov <denisc@overta.ru>
4718 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4719 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4720 * config/avr/avr.md (all peepholes that request a scratch register):
4721 Call it, FAIL the peephole if not safe (in interrupt functions).
4723 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4725 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4727 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4729 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4731 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4732 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4733 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4734 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4735 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4737 * extend.texi: Document these builtins.
4739 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4741 * c-common.c (lang_get_alias_set): Say we know nothing of
4742 VECTOR_TYPE aliasing.
4744 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4746 2001-01-05 Bruce Korb <bkorb@gnu.org>
4748 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4749 their x* equivalent versions for atexit-less systems
4750 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4751 systems (or any other system any more).
4753 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4755 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4756 output operands. Use arm_hard_register_operand for operand 4.
4757 (stmsi_postinc): Similarly.
4758 (ldmsi): Use arm_hard_register_operand for opernand 2.
4760 * arm.c (arm_hard_register_operand): New function.
4761 * arm-protos.h (arm_hard_register_operand): Prototype it.
4763 * arm.h (HARD_REGNO_RENAME_OK): Define.
4765 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4767 * simplify-rtx.c (cfc_args): add "unordered" field.
4768 (check_fold_consts): Set unordered field.
4769 (simplify_relational_operation): Simplify the unordered
4772 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4775 * emit-rtl.c (try_split): Fix code to mark labels.
4776 * jump.c (mark_jump_label): Make global.
4777 * rtl.h (mark_jump_label): Declare.
4779 * predict.c (estimate_probability): Handle unordred comparisons.
4781 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4783 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4784 * cppinit.c (initialize_dependency_output): Update.
4785 (cpp_finish): Output dummy targets for -MP.
4787 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4788 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4789 * gcc.c (cpp_options): Update to handle -MP.
4790 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4791 to quote only the default target.
4792 (deps_phony_targets): Insert a preceding newline. Rename from
4793 deps_dummy_targets for consistency.
4796 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4798 * calls.c (emit_library_call_value_1): Support
4799 INIT_CUMULATIVE_LIBCALL_ARGS.
4800 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4802 2001-01-04 Richard Henderson <rth@redhat.com>
4804 * c-decl.c (finish_struct): Detect flexible array members
4805 used in an inappropriate context.
4806 * c-typeck.c (really_start_incremental_init): Special case
4807 constructor_max_index for zero length arrays.
4808 (pop_init_level): Allow initialization of flexible array
4809 members. Deprecate initialization of zero length arrays.
4810 Don't issue missing initializer warning for flexible array
4811 members or zero length arrays.
4812 (process_init_element): Don't dereference null DECL_SIZE.
4813 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4814 Don't abort for empty constructors. Use size_binop
4815 (output_constructor): Add commentary regarding zero length
4816 array futures. Abort if we try to initialize an array of
4817 unspecified length with a non-empty constructor in the middle
4820 * extend.texi (Zero Length): Update and clarify documentation
4821 on static initialization.
4823 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4825 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4826 with more than 32767 words of local storage.
4828 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4830 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4831 for 'abs', 'labs', and 'fabs'.
4832 (c4x_expand_builtin): Likewise.
4833 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4835 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4837 * config/sh/sh.md (prget, prset): New insn types.
4838 (return delay slot): Dont' allow prset.
4839 (call, sfunc delay slot): Don't allow prget.
4840 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4841 for prset and prget.
4843 2001-01-05 Michael Hayes <mhayes@redhat.com>
4845 * loop.h (struct loop_reg): New.
4846 (struct loop_regs): Change to use array of `struct loop_reg'.
4847 * loop.c: Replace assortment of varrays with single regs array.
4848 (count_one_set): Delete may_not_move array argument
4849 and use regs array instead. All caller's changed.
4850 (count_loop_regs_set): Delete may_not_move and single_usage
4851 arguments and use regs array instead. All caller's changed.
4852 (find_single_use_in_loop): Replace usage array argument with pointer
4853 to regs structure. All caller's changed.
4854 (loop_optimize): Delete `moved_once' array.
4856 2001-01-05 Michael Hayes <mhayes@redhat.com>
4858 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4859 Use it instead of loop_info->has_call for scanning loop mems.
4860 (check_dbra_loop): Replace loop_info->has_call test with
4861 loop_info->has_nonconst_call.
4863 2000-01-04 Matthew Hiller <hiller@redhat.com>
4865 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4868 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4870 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4871 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4873 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4875 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4876 (flag_short_double, flag_short_wchar): Define.
4877 (c_common_nodes_and_builtins): Create many tree nodes shared
4878 between C and C++ here instead of in cp/decl.c and ...
4879 * c-decl.c (init_decl_processing): ... here.
4880 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4881 (flag_short_double, flag_short_wchar): Don't define.
4882 (record_builtin_type): New function.
4883 (build_void_list_node): New function.
4884 * c-common.h (flag_short_double, flag_short_wchar,
4885 record_builtin_type, build_void_list_node): Declare.
4887 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4889 * integrate.c (expand_inline_function): Don't put a virtual
4890 register into the reg map.
4892 * function.c (fixup_var_refs_1): If force_operand didn't put
4893 the address into the target, move it there.
4895 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4897 Special-case tree_decl/tree_list allocations.
4898 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4899 (OBJECT_SIZE): New macro.
4900 (NUM_EXTRA_ORDER): Likewise.
4901 (extra_order_size_table): New variable.
4902 (NUM_ORDERS): New macro.
4903 (objects_per_page_table): New variable.
4904 (object_size_table): New variable.
4905 (G.pages): Use NUM_ORDERS to bound the array.
4906 (G.page_tails): Likewise.
4907 (DIV_ROUND_UP): Remove.
4908 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4909 (alloc_page): Use OBJECT_SIZE.
4910 (size_lookup): Don't make it const.
4911 (ggc_alloc): Use OBJECT_SIZE.
4912 (ggc_set_mark): Likewise.
4913 (ggc_get_size): Likewise.
4914 (init_ggc): Set up the object_size_table, objects_per_page_table,
4915 and adjust size_lookup.
4916 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4917 (ggc_pop_context): Use NUM_ORDERS.
4918 (clear_marks): Likewise.
4919 (sweep_pages): Likewise.
4920 (poison_pages): Likewise.
4921 (ggc_print_statistics): Use OBJECT_SIZE.
4923 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4925 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4926 Only call array_size_for_constructor if last field and array type
4927 with no upper bound.
4929 2001-01-04 Philip Blundell <philb@gnu.org>
4931 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4932 from bit 31 downwards, if this requires no more insns.
4933 (count_insns_for_constant): New helper function for above.
4935 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4937 * gencodes.c (output_predicate_decls): Remove empty initializer.
4939 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4941 * tree.c (copy_node): Remove documentation about obstacks.
4942 (buidl1): Check that nobody tries to build 2-argument nodes this
4945 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4947 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4950 * gencodes.c (output_predicate_decls): Fill empty initializer
4953 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4955 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4956 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4958 (do_include): Handle missing headers like cpp0.
4959 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4960 paths with first include pathname. Don't strcat to uninitialized
4963 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4965 * regrename.c (regrename_optimize): Don't rename from frame pointer
4966 if frame_pointer_needed.
4967 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4968 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4969 (ia64_reorg): Use it instead of scheduling if ! optimize.
4970 (errata_emit_nops): Properly call asm_noperands.
4971 (ia64_sched_reorder): Finish cycle if we see an asm.
4972 (ia64_variable_issue): Clear scheduling state after asms.
4974 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4976 * cpp.texi: Update for -MT.
4977 * cppinit.c (initialize_dependency_output): Add a default
4978 target if none has been given already.
4979 (no_tgt, OPT_MT): New.
4980 (cpp_handle_option): Handle -MT. Update -M etc.
4981 * cpplib.h (struct cpp_options): Remove deps_target.
4982 * gcc.c (cpp_options): Handle -MT.
4983 * mkdeps.c (struct deps): Move from mkdeps.h.
4984 (deps_calc_target): Rename deps_add_default_target. Add a
4985 default target if none has been specified already.
4986 * mkdeps.h (struct deps): Move to mkdeps.c.
4987 (deps_calc_target): Rename deps_add_default_target.
4989 2000-01-03 Richard Henderson <rth@redhat.com>
4991 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4993 * c-typeck.c (push_init_level): Move checks for flexible array
4994 members and zero length arrays ...
4995 (pop_init_level): ... here. Silently discard empty initializations.
4997 * varasm.c (output_constructor): Update for sizeof change to
5000 * extend.texi (Zero Length): Clarify semantics.
5002 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5004 * configure.in (tm.h): Include isns-codes.h last.
5005 * configure: Rebuilt.
5007 2001-01-03 Richard Henderson <rth@redhat.com>
5009 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5010 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5012 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5014 * tradcpp.c (main): Make sure finclude() is called with a valid
5015 indepth value while handling -include.
5017 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5019 * gencodes.c (output_predicate_decls): New function.
5021 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5022 even if it is not the first time machmode.h is #included.
5023 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5024 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5025 * gcc.texi (Copyright): Added 2001.
5027 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5029 * c-common.c (c_common_lang_init): New function. Warn if format
5030 warning options which only have effects when used with -Wformat
5031 are used without -Wformat.
5032 * c-common.h (c_common_lang_init): Declare.
5033 * c-lang.c (lang_init): Call c_common_lang_init.
5034 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5036 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5038 * configure.in: Check for the mktemp command.
5039 * configure: Regenerate.
5040 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5041 $TEMP. Create temporary files with mktemp, if available at
5042 configure time; otherwise use set -C. Remove temporary files
5045 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5047 * configure.in: Require at least texinfo 4.0. Check for whether
5048 Pod::Man is sufficiently recent to regenerate GCC manpages.
5049 * configure: Regenerate.
5050 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5052 (GENERATED_MANPAGES): Define.
5053 (generated-manpages): New target. Depend on cpp.1 as well as
5055 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5056 configure to generated-manpages or empty) rather than on the
5057 manpages directly. Remove execute permission from installed
5058 gcov.1 as well as cpp.1.
5059 * cpp.1, gcov.1: Regenerate.
5061 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5063 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5064 tree_low_cst. Allow using cmpstrsi in more cases.
5066 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5068 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5071 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5073 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5074 * Makefile.in (HOST_CFLAGS): Mention build-make.
5076 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5078 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5081 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5083 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5086 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5089 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5090 reg_base_value and reg_known_value arrays.
5091 (init_alias_analysis): Add more cases to detect known values.
5092 * sched-deps.c (deps_may_trap_p): New function.
5093 (sched_analyze_2): Use it.
5095 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5097 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5098 don't discard an ASHIFTRT if we're shifting in a wider mode.
5100 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5102 * toplev.c (rest_of_compilation): Don't print basic block information
5103 when CFG isn't up to date.
5105 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5107 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5108 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5109 (UNALIGNED_SHORT_ASM_OP): Define.
5110 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5112 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5114 * fold-const.c (fold_convert): Fix typo.
5116 2001-01-02 Richard Henderson <rth@redhat.com>
5118 * c-common.h (ASM_INPUT_P): New.
5119 * c-parse.in (asm): Set it when needed.
5120 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5121 existance of an operand.
5123 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5125 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5126 (dwarf2out_frame_debug_expr): Likewise.
5127 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5129 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5131 * i386.c (ix86_split_to_parts): Return number of part required;
5133 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5135 (ix86_split_long_move): Use number of part returned
5136 by ix86_split_to_parts
5137 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5139 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5140 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5141 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5142 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5143 (ALIGN_MODE_128): Add TFmode.
5144 (IS_STACK_MODE): Likewise.
5145 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5146 (HARD_REGNO_OK): Support TFmodes.
5147 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5148 * i386.md (scheduler definitions): Use memory operand to determine
5149 fst/fld instructions; use mode attribute to determine real mode of
5151 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5152 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5154 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5156 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5158 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5160 * expr.c (store_constructor_field): Update ALIGN before calling
5163 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5165 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5168 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5170 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5173 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5175 * c-decl.c (start_function): Don't warn on third parameter to main.
5177 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5179 * tsystem.h: Define HAVE_DECL_GETOPT.
5181 2001-01-02 Philip Blundell <pb@futuretv.com>
5183 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5186 2001-01-02 Richard Henderson <rth@redhat.com>
5188 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5190 2001-01-02 Andreas Jaeger <aj@suse.de>
5192 * c-decl.c (c_decode_option): Remove support of
5195 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5196 (W_options): Add -Wmissing-noreturn here.
5198 * flow.c: Define lang_missing_noreturn_ok_p.
5199 (check_function_return_warnings): Use it.
5201 * c-common.h: Declare lang_missing_noreturn_ok_p.
5203 * c-lang.c (c_missing_noreturn_ok_p): New function.
5204 (lang_init): Set lang_missing_noreturn_ok_p.
5206 * invoke.texi (Warning Options): Document this.
5208 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5210 * extend.texi (C++ Extensions): New node for C++ attributes;
5211 describe init_priority and com_interface.
5212 * invoke.texi: Remove -finit-priority as it now has zero effect.
5213 * install.texi: Fix xref syntax.
5214 * md.texi: Likewise.
5216 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5218 * config.gcc (sparc64-wrs-vxworks*): New case.
5219 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5221 * config/sparc/sparc.c (sparc_override_options): Do support different
5222 pointer and architecture size.
5223 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5224 (POINTERS_EXTEND_UNSIGNED): Define.
5225 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5226 (FUNCTION_MODE): Define to be Pmode.
5227 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5229 * function.c (expand_function_end): Properly handle DECL_RESULT
5230 and copy when ptr_mode != Pmode.
5231 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5233 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5235 * c-common.c (c_common_nodes_and_builtins): Set prototype
5236 parameters for __builtin_fputs, __builtin_fputc and
5237 __builtin_fwrite. Don't declare plain fputc as a builtin.
5239 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5241 * loop.c (add_label_notes): Increment the label usage count when
5242 a note is added to an insn which refers to a CODE_LABEL.
5243 * gcse.c (add_label_notes): Likewise.
5245 2001-01-01 Andreas Jaeger <aj@suse.de>
5247 * loop.c (scan_loop): Use xmalloc to allocate movables.
5249 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5251 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5252 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5253 * reload1.c (REGISTER_MOVE_COST): Likewise.
5254 * regclass.c (REGISTER_MOVE_COST): Likewise.
5255 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5256 dimension. Adjust all users.
5257 (init_reg_sets_1): Iterate on all modes.
5258 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5259 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5260 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5261 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5262 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5263 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5264 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5265 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5266 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5267 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5268 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5269 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5270 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5271 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5272 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5273 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5274 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5275 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5276 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5277 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5278 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5279 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5280 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5281 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5282 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5283 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5284 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5286 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5288 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5289 arg VARIES_P. Call it with extra arg.
5290 (true_dependence): Likewise.
5291 * rtl.h (rtx_addr_can_trap_p): Declare.
5292 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5294 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5295 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5296 pic offset table register if it's zero. All callers changed.
5297 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5299 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5301 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5302 STRING_POOL_ADDRESS_P.
5304 * config/sparc/sparc.c (input_operand): Properly test for short op.
5306 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5307 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5308 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5309 * config/sparc/elf.h: No longer include sol2.h.
5310 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5311 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5313 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5315 2001-01-01 Michael Hayes <mhayes@redhat.com>
5317 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5318 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5319 (record_initial): Likewise.
5320 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5321 (remap_split_bivs): Likewise.
5323 2001-01-01 Michael Hayes <mhayes@redhat.com>
5325 * loop.c (loop_ivs_free): New function.
5326 (strength_reduce): Break out from...
5328 2001-01-01 Michael Hayes <mhayes@redhat.com>
5330 * loop.h (struct iv): New.
5331 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5332 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5333 'reg_biv_class' fields with 'regs' and 'n_regs'.
5334 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5335 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5336 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5338 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5340 * resource.c (mark_referenced_resources): Abort() before
5341 attempting to mark a pseudo register.
5342 (mark_set_resources): Likewise.
5344 2001-01-01 Michael Hayes <mhayes@redhat.com>
5346 * loop.h (REG_IV_CLASS): New accessor macro.
5347 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5348 * unroll.c (REG_IV_CLASS): Likewise.
5350 See ChangeLog.4 for earlier changes.