1 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4 * cppexp.c (parse_number): Update.
5 * cpplex.c (parse_string): Pedwarn if multiline string does not
6 result from a system header's macro.
7 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
9 for function-like macros too.
10 * c-lex.c (lex_number): Update.
12 2001-03-03 Richard Henderson <rth@redhat.com>
14 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
16 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
18 * combine.c (try_combine): If split with mode-changed scratch
19 register didn't work, try the original mode.
21 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
23 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
24 * config/c4x/c4x.h: Likewise.
25 * stor-layout.c (compute_record_mode): Likewise.
26 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
28 2001-03-02 Zack Weinberg <zackw@stanford.edu>
30 * configure.in: Kill tm.h. Include the files in the $tm_file
31 list in all three of config.h, hconfig.h, tconfig.h, after the
32 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
33 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
34 * configure: Regenerate.
35 * Makefile.in (clean): Don't delete tm.h.
37 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
38 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
39 those are not defined, set SEC and FEC to 0 and 1.
40 * gcc.texi: Update to match.
42 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
43 * config/fp-bit.c, config/m68k/aux-crt2.asm,
44 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
45 Include tconfig.h, not tm.h.
47 * config/xm-lynx.h, config/xm-std32.h,
48 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
49 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
50 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
51 config/clipper/xm-clix.h, config/convex/xm-convex.h,
52 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
53 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
54 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
55 config/i386/xm-i386.h, config/i860/xm-i860.h,
56 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
57 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
58 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
59 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
60 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
61 config/pa/xm-linux.h, config/pa/xm-pa.h,
62 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
63 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
64 config/pj/xm-pj.h, config/romp/xm-romp.h,
65 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
66 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
67 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
68 config/v850/xm-v850.h, config/vax/xm-vax.h,
69 config/we32k/xm-we32k.h:
71 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
73 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
74 config/i370/xm-oe.h: Don't include tm.h. Don't define
76 * config/vax/xm-vms.h: Don't include tm.h.
78 * config/xm-lynx.h, config/avr/xm-avr.h,
79 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
80 Delete; made empty by above changes.
81 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
82 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
83 Don't include config/xm-lynx.h or tm.h.
85 * config/xm-gnu.h: Don't include fcntl.h.
86 * config/sparc/xm-lynx.h: Don't include sys/types.h and
88 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
90 2001-03-02 Richard Henderson <rth@redhat.com>
92 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
93 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
95 2001-03-02 Richard Henderson <rth@redhat.com>
97 * Makefile.in (OBJS): Add dwarf2asm.o.
98 * dwarf2asm.c, dwarf2asm.h: New files.
99 * dwarf2out.c (*): Use them.
100 (size_of_uleb128, size_of_sleb128): Remove.
101 (output_uleb128, output_sleb128): Remove.
102 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
103 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
104 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
105 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
106 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
107 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
108 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
109 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
110 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
111 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
112 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
113 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
114 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
115 (dwarf2out_frame_debug): Remove unused variables.
116 (output_loc_operands): Don't abort on 8 byte constants if
117 host integers are wide enough.
118 (output_symbolic_ref): Remove.
119 (size_of_die): Don't assume 4 byte host integers.
120 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
122 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
123 something stupid with HOST_WIDE_INT to long truncation.
124 [CONST_DOUBLE]: Likewise.
126 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
127 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
128 * config/arm/unknown-elf.h: Likewise.
129 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
130 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
131 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
132 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
133 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
134 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
135 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
136 (ASM_OUTPUT_DWARF_OFFSET): Remove.
137 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
138 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
139 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
140 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
142 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
144 * cselib.c (hash_rtx): Cast enums to unsigned int.
146 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
148 * print-rtl.c (print_rtx): Cast enums to int for comparison.
149 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
151 * c-format.c (C_STD_VER): Cast to int for comparisons.
152 (check_function_format): Cast various enums to int for &.
153 (maybe_read_dollar_number): Likewise.
154 (check_format_info): Likewise.
155 (check_format_info_main): Likewise.
156 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
157 (safe_from_p): Likewise.
158 * varasm.c (const_hash): Cast enum to int for %.
159 * emit-rtl.c (init_emit_once): Use int loop variable to work around
160 pcc enum problems with < and ++ operators.
161 * regclass.c (init_reg_sets_1): Cast enums for comparison.
162 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
163 (regclass_init): Change enum class to int to iterate over reg_classes.
164 * genrecog.c (merge_trees): Cast enums for comparison.
165 * rtl.h (GET_CODE): Cast to enum rtx_code.
166 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
167 (GET_MODE): Cast to enum machine_mode.
168 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
169 (GET_NOTE_INSN_NAME): Cast enum to int.
170 * tree.h (TREE_CODE): Cast to enum tree_code.
171 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
172 * timevar.c (timevar_print): Change loop variable id from enum to
174 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
175 * config/i386/i386.md: Use PUT_MODE for mode assignment.
176 * toplev.c (compile_file): Cast enum DFI to int.
177 (decode_d_option): Likewise.
179 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
181 * cppinit.c (append_include_chain): Mark "after" include file name list
182 as a system directory.
183 * cpp.texi: Document new behavior.
185 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
187 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
189 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
191 * cppfiles.c (struct include_file): Update.
192 (stack_include_file): Use search_from.
193 (cpp_included, find_include_file): Update.
194 (cpp_execute_include): Update. ptr->name may not be
195 null terminated. Use the new search_from member variable
197 (_cpp_compare_file_date): Similarly.
198 (search_from): New function, similiar to actual_directory.
199 (actual_directory): Delete.
200 (remap_filename): Update. loc->name may not be null terminated.
201 (struct file_name_list): Rename search_path. Update.
202 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
204 (struct cpp_reader): Remove actual_dirs.
205 * cppinit.c (struct cpp_pending): Update for renamed objects.
206 (append_include_chain, remove_dup_dir, remove_dup_dirs,
207 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
208 * cpplib.h (struct cpp_options): Similarly.
210 2001-03-01 Zack Weinberg <zackw@stanford.edu>
212 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
213 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
214 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
215 config/clipper/xm-clix.h, config/convex/xm-convex.h,
216 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
217 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
218 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
219 config/i370/xm-linux.h, config/i370/xm-mvs.h,
220 config/i370/xm-oe.h, config/i386/xm-aix.h,
221 config/i386/xm-i386.h, config/i386/xm-osf.h,
222 config/i860/xm-i860.h, config/i960/xm-i960.h,
223 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
224 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
225 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
226 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
227 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
228 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
229 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
230 config/pj/xm-pj.h, config/romp/xm-romp.h,
231 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
232 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
233 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
234 config/v850/xm-v850.h, config/vax/xm-vax.h,
235 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
236 Do not define TRUE or FALSE.
238 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
239 empty by above change.
240 * config.gcc: Remove references to these files.
242 * configure.in: Detect stdbool.h.
243 * configure, config.in: Regenerate.
244 * system.h: Include stddef.h here if available.
245 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
246 Then set up a sensible boolean type at the very end.
248 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
249 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
251 * hash.h: Delete 'boolean' typedef and related #undefs.
253 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
254 all uses of 'boolean' with 'bool'.
256 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
258 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
259 * cppexp.c (lex): Cast enums for comparison.
260 * cppinit.c (parse_option): Cast enum for comparison.
261 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
262 (cpp_output_token): Likewise.
263 (cpp_can_paste): Cast enums for comparsion and plus/minus.
264 (cpp_avoid_paste): Cast enums for minus and comparison.
266 2001-03-01 Zack Weinberg <zackw@stanford.edu>
268 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
269 field to all array elements.
271 2001-03-01 Zack Weinberg <zackw@stanford.edu>
273 * cpphash.h (struct cpp_reader): Add print_version field.
274 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
275 just set print_version and other flags as appropriate.
276 (cpp_post_options): Print version here if print_version is set.
278 * toplev.c (exit_after_options): New flag.
279 (independent_decode_option): Don't exit here; just set
281 (main): Exit after calling lang_hooks.post_options if
282 exit_after_options is true.
284 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
285 (merge_include_chains): Adjust comment to match code.
287 2001-03-01 Zack Weinberg <zackw@stanford.edu>
289 * stringpool.c (set_identifier): New function.
290 * tree.h: Prototype it.
292 * c-parse.in: Kill D_YES. If compiled for objc, call
293 save_and_forget_protocol_qualifiers from init_reswords.
294 * objc/objc-act.c (remember_protocol_qualifiers,
295 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
296 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
298 (save_and_forget_protocol_qualifiers): New function.
299 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
301 2001-03-01 Diego Novillo <dnovillo@redhat.com>
303 * c-semantics.c (prune_unused_decls): Return error_mark_node
304 instead of (tree) 1 to stop traversing the tree chain.
306 2001-03-01 Bernd Schmidt <bernds@redhat.com>
308 Fix a problem introduced by Kenner's Feb 18 change.
309 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
310 flag_cse_skip_blocks only temporarily, not for ever.
312 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
314 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
315 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
317 * pa.c (emit_move_sequence): Verify operand0 is a hard register
318 before determining its register class.
320 2001-03-01 Bernd Schmidt <bernds@redhat.com>
322 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
323 from reg 4 if current_function_calls_setjmp.
324 (gen_nop_type): New function.
325 (ia64_emit_nops): New function.
326 (ia64_reorg): Call it.
327 (ia64_sched_reorder): Move code that rotates bundles up a bit.
329 * reload1.c (eliminate_regs_in_insn): Restrict the special case
330 code not to try to optimize adds with anything but a REG destination.
332 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
333 (INSN_PRIORITY_KNOWN): New accessor macro.
334 * haifa-sched.c (priority): Use it instead of testing priority against
337 2001-02-28 DJ Delorie <dj@redhat.com>
339 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
340 since that doesn't work the way gcc wants on a generic m68k.
342 2001-02-28 Richard Henderson <rth@redhat.com>
344 * caller-save.c (save_call_clobbered_regs): Fix typo in
345 comparison last change.
347 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
349 * i386.c (pentium4_cost): New.
350 (m_PENT4): New macro.
351 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
352 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
353 x86_integer_DFmode_moves, x86_partial_reg_dependency,
354 x86_memory_mismatch_stall): Add Pentium4
355 (x86_use_q_reg, x86_use_any_reg): Kill.
356 (override_options): Add pentium4.
357 (incdec_operand): Return 0 for pentium4.
358 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
359 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
360 (TARGET_PENTIUM4): Define.
361 (enum processor_type): Add PROCESSOR_PENTIUM4.
362 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
363 * i386.md (attribute "cpu"): Add pentium4.
364 * invoke.texi (march): Add pentium4.
366 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
368 * i386.md (sse_mov?fcc*): New patterns and splitters.
369 * i386.c (ix86_expand_movcc): Work post-reload; recognize
370 the SSE based conditional moves.
372 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
374 * i386.md (attribute mode): Add "TI".
375 (movsf_1): Add pxor support; remove constant propagation splitter.
376 (movdf_integer): Likewise.
377 (movdf_nointeger): Likewise.
378 (movxf constant prop splitter): Handle all modes; update for SSE.
379 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
380 * i386.c (standard_80387_constant_p): Rewrite.
381 (standard_sse_constant_p): New.
382 * i386-protos.h (standard_sse_constant_p): New.
384 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
386 * i386.md (sse_setccsf, sse_setccdf): New.
387 (sse_cmp* patterns): Use '%D' instead of outputtting condition
389 * i386.c (sse_comparison_operator): Accept the supported unordered
390 comparses; be ready for fast_math.
391 (print_operand): Support 'D'.
393 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
395 * jump.c (reversed_comparison_code): Kill.
397 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
399 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
402 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
404 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
405 add missing '%' in constraints.
407 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
409 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
410 for HOST_BITS_PER_WIDE_INT == 32 too.
412 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
414 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
416 (insert_save, insert_restore): New parameter save_mode.
417 (init_caller_save): Update initialization of reg_save_code
418 and reg_restore_code.
419 (save_call_clobbered_regs): Compute save_modes and update calls to
420 reg_save_code and reg_restore_code.
421 (insert_restore): Unsignetize numbers; use save_modes to choose mode
422 of spill; update use of reg_restore_code.
423 (insert_save): Likewise.
424 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
425 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
426 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
428 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
430 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
431 noce_try_store_flag_inc, noce_try_store_flag_mask,
432 noce_try_cmove_arith):
433 Use reversed_comparison_code instead of reverse_comparison and
434 can_reverse_comparison_p.
436 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
438 * jump.c (reversed_comparison_code_parts): Allow reversal of
439 unordered compares in -ffast-math mode; reverse ordered compares
440 for FP even w/o -ffast-math.
442 2001-02-27 Richard Henderson <rth@redhat.com>
444 * print-rtl.c (print_rtx) [i]: Don't print field five on
445 NOTEs other than NOTE_INSN_DELETED_LABEL.
447 2001-02-27 Zack Weinberg <zackw@stanford.edu>
449 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
450 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
452 2001-02-27 Diego Novillo <dnovillo@redhat.com>
454 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
455 even if walk_subtrees is 0.
456 * c-semantics.c (prune_unused_decls): Return a non-null value to
457 stop traversing the tree chain.
459 2001-02-27 DJ Delorie <dj@redhat.com>
461 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
462 register, *then* define it as the new CFA.
464 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
466 * pa.c (override_options): Promote -fpic to -fPIC.
467 (legitimize_pic_address): Simplify due to removal of
468 small PIC as a code generation option.
469 (secondary_reload_class): Similarly.
470 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
471 (PRINT_OPERAND_ADDRESS): Similarly.
472 * pa.md (various patterns): Similarly.
473 (small pic lo_sum pattern): Remove.
475 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
478 * md.texi (min, max): Document
480 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
482 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
483 TARGET_PARTIAL_REG_DEPENDENCY.
484 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
486 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
488 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
490 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
492 * mips.c (mips_make_temp_file): Fix thinko in last change.
494 2001-02-26 Jason Eckhardt <jle@redhat.com>
496 * combine.c (known_cond): Do not reverse the condition when
497 SMAX/UMAX is being considered and the condition is for equality
500 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
502 2001-02-26 Philip Blundell <philb@gnu.org>
504 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
506 * config/arm/linux-elf.h: Remove historical relics related to
507 above configurations.
508 * config/arm/linux-oldld.h: Delete.
509 * config/arm/linux-elf26.h: Delete.
511 2001-02-26 Jason Merrill <jason@redhat.com>
513 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
515 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
516 recognize a tentative definition. Lose obsolete code.
518 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
519 variables unless necessary, either.
521 2001-02-25 Richard Henderson <rth@redhat.com>
523 * ifcvt.c (struct noce_if_info): Add test_bb.
524 (noce_get_alt_condition): New.
525 (noce_try_minmax, noce_try_abs): New.
526 (noce_operand_ok): New.
527 (noce_process_if_block): Use them.
528 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
530 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
532 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
535 2001-02-25 Zack Weinberg <zackw@stanford.edu>
537 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
538 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
540 (mips_asm_file_end): Free temp_filename here.
542 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
544 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
545 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
547 * config/i386/i386.md (movstrsi): Handle FAIL case.
549 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
551 * cppinit.c (builtin_array): Update.
552 (init_builtins): Flag builtins to warn if redefined or
553 undefined. Define __GXX_WEAK as a normal macro.
554 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
555 * cpplib.h (NODE_WARN): New flag.
556 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
557 Handle __STDC__ as a builtin only on Solaris.
558 (warn_of_redefinition): Renamed from check_macro_definition.
559 Reverse sense of test. Always warn if NODE_WARN.
560 (_cpp_create_definition): Use warn_of_redefinition. Flag
561 any macro beginning with "__STDC_" to require a mandatory
562 warning if redefined or undefined.
564 2001-02-24 Zack Weinberg <zackw@stanford.edu>
566 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
567 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
568 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
569 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
570 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
571 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
573 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
574 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
575 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
576 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
577 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
579 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
580 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
583 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
584 Delete now-empty file.
586 * alpha/vms.h: Define NEED_ATEXIT here...
587 * alpha/xm-vms.h: ...not here.
589 * i386/cygwin.h: Don't define PARAMS.
590 * mips/mips.c: Don't prototype mktemp. Don't define
591 P_tmpdir. Use make_temp_file to create temporary files.
592 Don't be clever and delete temporary files early.
593 * config.gcc: Drop references to deleted files. Don't define
595 * gcc.texi: Don't mention USE_PROTOTYPES.
597 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
599 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
600 (ix86_set_move_mem_attrs_1): Likewise.
601 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
602 * config/i386/i386.md (movstrsi): Call it.
604 2001-02-24 Zack Weinberg <zackw@stanford.edu>
606 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
607 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
608 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
609 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
611 (i750a-*-*): Error here if hosting on i750a.
612 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
614 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
615 Remove (empty modulo comments).
617 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
618 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
619 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
620 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
621 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
622 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
624 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
625 Remove reference to winnt.h in comment.
626 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
628 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
630 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
631 used to set another biv.
633 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
635 * tree.h (BLOCK_DEAD): New macro.
636 (struct tree_block): New flag, dead_flag.
637 * print-tree.c (print_node, case 'b'): Print missing fields.
638 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
639 * function.c (identify_blocks): Enable test for misplaced notes.
640 (all_blocks): Skip BLOCK_DEAD blocks.
641 * integrate.c (integrate_decl_tree): Likewise.
643 * errors.c (internal_error, trim_filename): New functions.
644 (fancy_abort): Call internal_error.
645 * errors.h (internal_error, trim_filename): New declarations.
647 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
649 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
651 (EXTRA_CONSTRAINT): Formatting changes.
653 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
655 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
657 2001-02-23 Per Bothner <per@bothner.com>
659 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
660 so they can be called from java/jvspec.c.
661 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
663 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
665 * i386.c (ix86_frame): New structure.
666 (ix86_compute_frame_size): Kill.
667 (ix86_compute_frame_layout): New.
668 (ix86_save_reg): New.
669 (ix86_can_use_return_insn_p): Use frame layout stuff.
670 (ix86_expand_prologue): Likewise.
671 (ix86_expand_epilogue): Likewise.
672 (ix86_initial_elimination_offset): Likewise.
673 (ix86_nsaved_regs): Use ix86_save_reg.
674 (ix86_emit_save_regs): Likewise.
676 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
678 * flow.c (find_sub_basic_blocks): New function.
679 (split_block): Be ready for basic block introduced by CODE_LABEL.
680 (commit_one_edge_insertion): Call find_sub_basic_block.
682 * flow.c (make_edges): Add edge from entry for blocks starting with
683 label having ALTERNATE_NAME
685 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
687 * function.c (epilogue_done): Be ready for first basic block not
688 containing PROLOGUE_END note.
689 (reposition_prologue_and_epilogue_notes): Avoid placing
690 PROLOGUE_END note between BASIC_BLOCK.
692 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
694 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
696 2001-02-21 DJ Delorie <dj@redhat.com>
698 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
699 check for current_function_has_nonlocal_goto from 1999-11-12.
701 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
703 * diagnostic.c (trim_filename): No longer static.
704 * toplev.h (trim_filename): Declare.
705 * rtl.c (rtl_check_failed_bounds): Call internal_error.
706 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
707 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
708 (rtvec_check_failed_bounds): Likewise.
709 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
711 * convert.c (convert_to_integer): Don't do unsigned unless result or
712 both inputs are unsigned.
714 * fold-const.c (fold_convert): Don't call size_int_type_wide if
717 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
719 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
721 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
723 * Makefile.in (resource.o): Add params.h dependence.
724 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
725 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
726 * resource.c: Add dependence on params.h.
727 (current_live_regs): Fix explanatory comment.
728 (find_basic_block): Add new parameter to permit limiting search
730 (mark_target_live_regs): Add new argument to find_basic_block call.
731 (incr_ticks_for_insn): Likewise.
733 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
735 * diagnostic.c (output_to_stream): Rename to
736 output_buffer_to_stream. Loses the stream parameter.
737 (init_output_buffer): Set diagnosic_buffer's stream.
738 (flush_diagnostic_buffer): Adjust.
739 (default_print_error_function): Likewise.
740 (finish_diagnostic): Likewise.
741 (verbatim): Likewise.
743 * diagnostic.h (struct output_buffer): Add `stream' field.
744 (output_buffer_attached_stream): New macro.
746 2001-02-23 Jakub Jelinek <jakub@redhat.com>
748 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
749 check if either operand is divisible by C.
750 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
751 If type is signed, consider negative numbers as well.
753 2001-02-22 Richard Henderson <rth@redhat.com>
755 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
756 reach .text instead of gp-relative relocs.
757 * config/ia64/crtend.asm (.init): Likewise.
759 2001-02-22 Andreas Jaeger <aj@suse.de>
761 * extend.texi (C++ Attributes): Fix typo.
763 2001-02-21 David Mosberger <davidm@hpl.hp.com>
765 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
766 functions, drop current_function_args_info.words test.
767 (ia64_compute_frame_size): Mark syscall_linkage functions as
768 using eight input registers.
770 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
771 Bruce Korb <bkorb@gnu.org>
773 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
774 * fixinc/README: Document how to convert sed substitutions
775 to format style c_fix-es.
776 * fixinc/fixincl.x: regen
778 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
780 * gcc.c: Add comment explaining how to add a command-line option.
781 Add title to specs language comment.
783 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
785 * gcc.c (cc1_options): Add "-param".
786 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
787 (option_map): Likewise.
788 * toplev.c (display_help): Add entry for "--param".
789 (independent_decode_option): Fix typographical error.
791 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
792 Bernd Schmidt <bernds@redhat.com>
793 Jan Hubicka <jh@suse.cz>
795 * i386.c (function_arg_advance): Pass SSE arguments in registers.
796 (function_arg): Likewise.
798 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
800 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
802 2001-02-21 Kazu Hirata <kazu@hxi.com>
804 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
808 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
810 * flow.c (init_propagate_block_info): Canon address and use single_set
811 for killing dead memory stores.
813 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
815 * Makefile.in (reorg.o): Add params.h dependence.
816 * params.def: Fix typographical error in comment.
817 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
818 * params.h: Modify introductory comment.
819 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
820 * reorg.c: Add dependence on params.h.
821 (redundant_insn): Add parameterized throttle for search.
822 (fill_simple_delay_slots): Add a comment explaining a variable.
823 Move conditional out of loop, simplifying code.
824 (fill_eager_delay_slots): Fix typographical error in comment.
826 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
828 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
830 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
831 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
833 2001-02-21 Jason Merrill <jason@redhat.com>
835 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
836 (struct tree_decl): Add uninlinable bitfield.
837 * c-decl.c (duplicate_decls): Set it.
838 * integrate.c (function_cannot_inline_p): Check it.
840 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
841 DW_AT_MIPS_linkage_name to abstract methods.
842 (dwarf2out_abstract_function): Emit class context before calling
843 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
844 (gen_subprogram_die): Remove obsolete code.
845 (gen_member_die): Don't include clones in the member list.
846 (gen_decl_die): Emit abstract info for clone origin.
847 * dwarfout.c (output_type): Don't include clones in the member list.
848 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
849 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
850 DECL_ABSTRACT on a function that already has it set.
852 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
853 (get_subprogram_die): Pass it in.
855 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
857 * flow.c (mark_set_1): Make not_dead unsigned long. For
858 non-pseudos, use it as a bitmask of the hard regs that
861 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
863 * cppfiles.c: Update comments.
864 (_cpp_read_file): Don't check for NULL filenames any more.
865 * cppinit.c (cpp_start_read): Don't do canonicalization of
866 in_fname and out_fname. Use the passed file name exclusively.
867 (_cpp_handle_options): Don't treat "-" as a command line option,
868 but as a normal filename.
869 (_cpp_post_options): Canonicalize in_fname and out_fname.
870 * cppmain.c (printer_init): Don't check out_fname for NULL.
871 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
872 (init_c_lex): Update, and use "" to represent stdin to CPP.
875 2001-02-20 Will Cohen <wcohen@redhat.com>
877 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
878 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
879 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
882 2001-02-20 Stan Shebs <shebs@apple.com>
884 * config/rs6000/rs6000.c (output_cbranch): Output branches
885 on separate lines instead of using ';' to separate.
887 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
889 * cppinit.c (set_lang): Move builtin handling to...
890 (init_builtins): ...here.
891 (_cpp_create_reader): Move call to set_lang.
893 2001-02-20 Mark Mitchell <mark@codesourcery.com>
895 * stmt.c (expand_return): If an attempt is made to return the
896 error_mar_node, treat the return like a return without a value.
898 2001-02-19 Zack Weinberg <zackw@stanford.edu>
900 * sibcall.c (skip_copy_to_return_value): Call
901 identify_call_return_value here, and return orig_insn if it
902 returns zero. Hardret and softret arguments now unnecessary.
903 (call_ends_block_p): Don't call identify_call_return_value here.
905 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
907 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
908 * ggc.h (ggc_mark_if_gcable): Delete prototype.
910 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
912 * pa.c (move_operand): Accept code to load the address of a
913 symbol out of the DLT as a valid move operand.
914 (print_operand, case 'A'): New to handle generating a DLT
915 reference for a LO_SUM expression.
916 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
917 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
919 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
921 * README, cpp.texi, gcc.texi, version.c: Update version number to
923 * cpp.1, gcov.1, gcc.1: Regenerate.
925 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
927 * cppfiles.c (stack_include_file): Generate dependencies
928 here, and manage include_count here too.
929 (PRINT_THIS_DEP): Delete.
930 (_cpp_execute_include): Do not generate dependencies here,
931 apart from the case of a missing header. Do not manage
933 (_cpp_read_file): Leave dependency generation to
936 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
938 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
939 target_cpu_default. Remove dead assignment to
942 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
944 * regclass.c (contains_reg_of_mode): Make global.
945 (init_reg_sets): Remove contains_reg_of_mode; take into account
946 CLASS_MAX_NREGS when looking for the proper mode.
947 (dump_regclass): Dump only classes considered for the pseudo.
948 (regclass): Use contains_reg_of_mode.
950 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
952 * gcc.c (do_spec_1): 'n' for printing notices.
953 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
955 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
957 * reg-stack.c (next_flags_user): Use current_block->end
958 (swap_rtx_condition): Look for next user if flags don't die;
959 give up on CALL_INSNs; use current_block->end.
961 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
963 * sibcall.c (call_ends_block_p): New function.
964 (optimize_sibling_and_tail_recursive_call): Use it.
966 2001-02-18 Kazu Hirata <kazu@hxi.com>
968 * config/h8300/h8300.md: Update copyright.
969 (andsi3): Do not output an extra newline character.
971 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
973 * toplev.c (note_deferral_of_defined_inlined_function): Argument
974 FNDECL may be unused.
976 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
977 follow jumps after first run.
978 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
979 it doesn't change any jumps.
981 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
983 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
984 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
985 (mostlyclean): Corresponding changes.
986 * rtlanal.c (hard-reg-set.h): Include.
987 (rtx_unstable_p): Do not treat the argument pointer specially
988 if it is not a fixed register.
989 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
991 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
993 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
994 against last real insn in basic block.
995 Rework to avoid gotos.
997 * Makefile.in (gcse.o): Now includes ggc.h.
998 * gcse.c: Include ggc.h.
999 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1000 (try_replace_reg): Remove warning of uninitialize variable.
1001 (process_insert_insn): Call invalid_insn_p to validate insn.
1002 * recog.c (insn_invalid_p): Now global.
1003 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1004 * recog.h (insn_invalid_p): New declaration.
1006 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1008 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1009 assignments from FP constants since 'Y' output code can't handle it.
1010 (eligible_for_sibcall_delay): Likewise.
1012 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1013 Call fancy_abort directly, passing args.
1014 (print_rtl_and_abort): Now a macro, like fancy_abort.
1016 * final.c (output_operand_lossage): Use internal_error, not error.
1018 2001-02-18 Shane Nay <shane@agendacomputing.com>
1020 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1021 structure shift insns.
1023 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1025 * invoke.texi (-fsquangle): Remove documentation.
1026 (-fname-mangling-version): Likewise.
1028 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1030 * optabs.c (expand_abs): Remove reference to
1031 HAVE_contitional_arithmetic.
1032 * combine.c (simplify_set): Likewise.
1034 2001-02-18 Richard Henderson <rth@redhat.com>
1036 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1039 2001-02-18 Richard Henderson <rth@redhat.com>
1041 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1043 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1045 * reload1.c (reload_cse_simplify_set): Fix typo.
1047 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1049 * diagnostic.c (_fatal_insn): Decrement errorcount.
1051 * invoke.texi (-I): Add note avoiding use for system header files.
1053 * rtl.h (add_clobbers): Remove duplicate declaration.
1054 * recog.h (added_clobbers_hard_reg_p): New declaration.
1055 * genemit.c (struct clobber_pat): New field has_hard_reg.
1056 (gen_insn): Record if added clobbers clobber hard reg.
1057 (gen_split): Avoid unused warning if number of operands is 0.
1058 (output_added_clobbers_hard_reg_p): New function.
1061 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1063 * pa.c (hppa_expand_prologue): Simplify code storing return
1064 pointer. For large (>=8k) frames with a post_store, adjust stack
1065 pointer by 8k-64 first rather than by 64. When testing with
1066 VAL_14_BITS_P, always use the actual value rather than the value
1067 negated. Add blockage to prevent scheduling of spills before
1068 stack frame has been created.
1069 (hppa_expand_epilogue): Simplify code loading return pointer.
1070 Allow a slightly larger range for merge_sp_adjust_with_load case.
1071 When testing with VAL_14_BITS_P, always use the actual value.
1073 * pa.c (pa_adjust_insn_length): Check that block move
1074 pattern is a set before looking at operands.
1076 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1078 * fold-const.c (fold_binary_op_with_conditional_arg): New
1079 function, split out from ...
1081 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1082 conditional arms that throw exceptions.
1084 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1087 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1089 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1090 define HAVE_DECL_* to 1 to mask potential backup declarations.
1091 * configure: Regenerated.
1093 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1095 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1097 2001-02-17 Richard Henderson <rth@redhat.com>
1099 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1100 when replacing a memory load with a register.
1102 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1103 Jan Hubicka <jh@suse.cz>
1105 * recog.c (validate_replace_src_1): New.
1106 (validate_replace_src_data): Likewise.
1107 (validate_replace_src): Use note_uses.
1108 * rtl.h (note_uses): Declare.
1109 * rtlanal.c (note_uses): New.
1111 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1113 * reg-stack.c (stack_def): Make field reg unsigned.
1114 (remove_regno_note): Unsignetize parameter.
1116 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1118 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1119 shladd_operand() call.
1121 2001-02-16 Bruce Korb <bkorb@gnu.org>
1122 Rodney Brown <RodneyBrown@mynd.com>
1124 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1125 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1126 machine restrictions
1127 * fixinc/fixincl.x: regen
1129 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1131 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1133 (hash_scan_insn): Clean up calls to hash_scan_set.
1134 (compute_kill_rd): REGNO now unsigned.
1135 (try_replace_reg): Rework to use simplify_replace_rtx.
1136 (cprop_jump, cprop_cc0_jump): Likewise.
1137 (cprop_insn): Call find_reg_equal_equiv_note.
1138 Reflect changes to cprop_jump and cprop_cc0_jump.
1140 * recog.c (validate_replace_src): Replace in operands of
1141 ZERO_EXTRACT in SET_DEST.
1143 * cse.c (new_label_ref): New variable.
1144 (insert): Set it instead of recorded_label_ref.
1145 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1146 CODE_LABEL for this function, and not already in REG_LABEL note.
1148 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1150 * resource.c (mark_referenced_resources): Fix typo in introductory
1152 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1155 2001-02-16 Jason Merrill <jason@redhat.com>
1157 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1159 (gen_subprogram_die): Don't abort on seeing a second definition if
1160 the previous one was abstract. Don't replace an abstract instance
1161 in the lookup table.
1163 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1164 gen_abstract_function.
1165 * dwarf2out.h: Declare it.
1166 * toplev.c (note_outlining_of_inline_function): New fn.
1167 * toplev.h: Declare it.
1168 * integrate.c (output_inline_function): Call it.
1169 * c-decl.c (duplicate_decls): Call it when redefining an extern
1170 inline. Don't inline the new defn.
1172 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1174 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1176 * .gdbinit: Rename to gdbinit.in.
1177 * gdbinit.in: New file,
1178 * configure.in: Generate .gdbinit from gdbinit.in.
1179 * configure: Regenerated.
1180 * Makefile.in (distclean): Always remove .gdbinit.
1182 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1184 * objc/objc-act.c (start_class): Register implemented_classes with
1187 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1189 * cppfiles.c (_cpp_make_system_header): Generate a file
1192 2001-02-15 Jim Meyering <meyering@lucent.com>
1194 * Makefile.in (install-common): Don't depend on installdirs here.
1195 Instead, make each of the lang.install-common targets (e.g.,
1196 c++.install-common in cp/Make-lang.in) depend on it.
1197 (install-driver): Depend on installdirs.
1199 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1201 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1203 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1206 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1208 * invoke.texi (--param): Document.
1210 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1212 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1214 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1216 * i386.md (extendsfdf2_2): Fix constraints.
1218 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1220 * i386.md (fop_df_3 splitter): Fix operand number.
1222 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1224 * invoke.texi (-mreg-alloc): Nuke.
1225 * i386.c (ix86_reg_alloc_order, regs_allocated,
1226 order_regs_for_local_alloc): Nuke.
1227 (override_options): Kill reg_alloc code.
1228 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1229 (REG_ALLOC_ORDER): SSE goes before I387.
1230 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1231 (ix86_reg_alloc_order): Likewise.
1232 * i386-protos.h (ix86_reg_alloc_order): Kill.
1234 2001-02-14 Richard Henderson <rth@redhat.com>
1236 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1238 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1240 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1242 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1244 * i386-protos.h (ix86_memory_move_cost): Move offline.
1245 * i386.c (ix86_register_move_cost): Compute properly cost of
1246 SSE, MMX and i387 instructions.
1247 (*_cost): Add costs of SSE/MMX moves.
1248 (ix86_memory_move_cost): Move offline from ....; Likewise.
1249 * i386.h (MEMORY_MOVE_COST): .... here;
1250 (struct processor costs): Add new fields to represent costs
1253 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1255 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1256 move_cost together with Matt Kraai's fix.
1258 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1260 * Makefile.in (OBJS): Add params.o.
1262 2001-02-14 Richard Henderson <rth@redhat.com>
1263 DJ Delorie <dj@redhat.com>
1265 * jump.c (jump_optimize_1): When we delete a conditional jump
1266 preceeding a non-conditional jump to effectively the same place,
1267 make sure that the combined jump skips any clobber insns between
1270 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1272 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1274 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1276 * Makefile.in (toplev.o): Depend on params.h.
1277 (intergate.o): Likewise.
1278 (params.o): New target.
1279 * flags.h (inline_max_insns): Remove.
1280 * integrate.c: Include params.h.
1281 Use MAX_INLINE_INSNS instead of inline_max_insns.
1282 * params.c: New file.
1283 * params.h: Likewise.
1284 * params.def: Likewise.
1285 * toplev.c: Include params.h.
1286 (lang_independent_params): New variable.
1287 (decode_f_option): Use the param machinery instead of setting
1289 (independent_decode_option): Handle "--param name=value".
1290 (main): Register language-independent parameters.
1292 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1294 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1296 2001-02-14 Richard Henderson <rth@redhat.com>
1298 * regclass.c (init_reg_sets_1): Revert last two changes.
1300 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1302 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1303 (variable_size): Call put_pending_size.
1304 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1305 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1306 sizes list, put newly created SAVE_EXPR there as well.
1308 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1310 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1311 (errata_find_address_regs): load_group has only 2 entries.
1312 (errata_emit_nops): Likewise. shladd is not problematic.
1313 Clear last_group if nop was emitted.
1314 (fixup_errata): load_group has only 2 entries.
1317 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1319 * c-lex.c (lex_number): Only warn traditionally for U suffix
1320 outside system macros.
1321 * cppexp.c (parse_number): Similarly.
1322 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1323 * cppmacro.c (struct cpp_macro): New member node.
1324 (parse_args): Only warn about missing rest args if not
1326 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1327 (cpp_sys_objmacro_p): New.
1328 (_cpp_create_definition): Store the node with the macro defn.
1329 Remember if the macro is defined in a system header.
1331 2001-02-13 DJ Delorie <dj@redhat.com>
1333 * configure.in (check_languages): determine languages to check
1334 * Makefile.in (check-c++): alias for check-g++
1335 (check-f77): alias for check-g77
1336 (CHECK_TARGETS): depend on configured languages
1338 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1340 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1341 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1342 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1343 (sqrtextendsfdf2): Disable for SSE2.
1345 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1347 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1348 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1349 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1350 (sqrtextendsfdf2): Disable for SSE2.
1352 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1354 * i386.md (movsfcc_1): Support integer cmove instruction.
1355 (movdfcc_1): Likewise; new splitter.
1357 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1359 * i386.c (output_fp_compare): Support SSE.
1360 (prepare_fp_compare_args): SSE comparisons always support memory.
1361 * i386.h (TARGET_CMOVE): SSE imply cmove.
1362 * i386.md (cmp?f2): Enable for SSE too.
1363 (cmpfp_i*): Support SSE.
1365 (cmpfp_i_sse_only): New.
1366 (s*, b* fp expanters): Enable for SSE too.
1367 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1370 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1372 * regclass.c (init_reg_sets_1): Silence warning.
1374 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1376 * i386.md (sqrt?f2): Change to expander.
1377 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1379 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1381 * rtlanal.c (find_reg_equal_equiv_note): New function.
1382 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1383 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1384 * rtl.h: Add declarations for above functions.
1386 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1388 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1390 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1391 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1392 * flow.c (mark_regs_live_at_end): Likewise.
1393 (calculate_global_regs_live): Likewise.
1394 * gcse.c (compute_hash_table): Likewise.
1395 (compute_kill_rd): Likewise.
1396 * resource.c (mark_target_live_regs): Likewise.
1397 * rtl.h (INVALID_REGNUM): New macro.
1399 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1401 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1403 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1405 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1408 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1410 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1412 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1413 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1414 (fop_sf_1_sse, fop_df_1_sse): New patterns
1415 (fop_*): Disable float_extend and float patterns for SSE compilation.
1416 * i386.c (output_387_binary_op): Support SSE.
1418 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1420 * i386.md (dummy_extendsfdf2): Support SSE2
1421 (extendsfdf2): Enable if 80387 or SSE2.
1422 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1423 and no MIX_I387_SSE2
1424 (extendsfdf2_1_sse_only): New pattern.
1425 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1427 (truncdfsf2_1): Support SSE.
1428 (truncdfsf2_2): Support SSE.
1429 (truncdfsf2_2_1_sse): New pattern.
1430 (fixtruncsfsi2): Always use SSE if available.
1431 (fix_truncsfsi_sse): New pattern.
1432 (fix_truncdfsi_sse): New pattern.
1433 (floatsis?f2): Support SSE.
1434 (floatsidf2_i387): New pattern.
1435 (floatsidf2_sse): Likewise.
1437 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1439 * configure.in: Use "have_gnat" variable, not "gnat".
1440 * configure: Regenerated.
1442 * config/sparc/sparc.c (function_value): Treat all non-record
1443 aggregate types like used to treat UNION_TYPE.
1445 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1447 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1448 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1450 (MASK_MIX_SSE_I387): New.
1451 (TARGET_SSE): SSE2 imply SSE.
1452 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1453 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1454 (enum reg_class): Add new classes.
1455 (REG_CLASS_NAMES): Likewise.
1456 (REG_CLASS_CONTENTS): Likewise.
1457 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1458 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1459 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1460 (CLASS_MAX_NREGS): Use new macros.
1461 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1462 * i386.md (pushsf, movsf): Support SSE.
1463 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1464 splitters to use ANY_FP_REGNO_P.
1465 (movdf_nointeger, movdf_integer): Likewise.
1467 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1469 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1470 (try_combine): Use it.
1472 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1474 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1475 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1476 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1477 (REGISTER_MOVE_COST): Likewise.
1478 * i386-protos.h (ix86_secondary_memory_needed,
1479 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1480 * i386.c (ix86_secondary_memory_needed,
1481 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1483 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1485 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1486 (HARD_REGNO_MODE_OK): Move offline to ....
1487 * i386.c (ix86_hard_regno_mode_ok) ... here;
1488 refuse all incorrect modes.
1489 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1491 2001-02-13 Richard Henderson <rth@redhat.com>
1493 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1494 entire operator; replicate that and match_dup the operands.
1495 (cmp_ccx_arith_op_set): Likewise.
1496 (cmp_cc_arith_op_not_set): Likewise.
1497 (cmp_ccx_arith_op_not_set): Likewise.
1499 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1501 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1503 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1505 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1506 (TARGET_NO_BITFIELD_WORD): New macro.
1507 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1508 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1510 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1512 * cselib.c: New file, from simplify-rtx.c.
1513 * simplify-rtx.c: Remove cselib parts.
1514 * Makefile.in: Add cselib.o.
1516 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1518 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1519 (setup_incoming_varargs): Remove warning.
1521 * config/rs6000/rs6000.c (validate_condition_mode): When
1522 flag_fast_math, allow floating-point conditionals to be reversed.
1523 (rs6000_generate_compare): When flag_fast_math, don't generate
1524 cror operations for FP conditionals.
1526 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1528 (ASM_SPEC): Likewise.
1529 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1530 (CC1_SPEC): Likewise.
1531 (LINK_TARGET_SPEC): Likewise.
1532 (CPP_ENDIAN_SPEC): Likewise.
1533 * Makefile.in (check-consistency): New target.
1535 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1537 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1538 "return type defaults" warning for functions with return type
1540 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1541 function declarations by default rather than only when pedantic.
1543 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1545 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1548 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1550 * extend.texi (Deprecated): Deprecate new initializer lists.
1552 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1554 * mkdeps.c (deps_add_default_target): Robustify. Add
1555 basename component only.
1556 * cpp.texi (-M): Describe how default target is generated.
1557 * invoke.texi (-M): Likewise.
1559 2001-02-12 Kazu Hirata <kazu@hxi.com>
1561 * toplev.c (push_float_handler): Remove.
1562 (pop_float_handler): Remove.
1563 * toplev.h: Remove prototypes for the above functions.
1565 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1567 * c-common.c (constant_fits_type_p): New function.
1568 (convert_and_check): Use it.
1570 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1572 * Makefile.in (GXX_ABI_FLAG): Don't define.
1573 * configure.in (--enable-new-gxx-abi): Remove option.
1574 * config.in: Regenerated.
1575 * configure: Likewise.
1577 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1579 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1581 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1582 regular basic block, and arrange for all edges into it to switch
1585 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1587 * Makefile.in (distclean): Do not remove .gdbinit.
1589 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1591 * Makefile.in (gcc.o): Fix typos.
1592 (protize.o): Likewise.
1593 (unprotoize.o): Likewise.
1595 2001-02-11 Richard Henderson <rth@redhat.com>
1597 * tree.c (build1): Check for null operand in last change.
1599 2001-02-11 Richard Henderson <rth@redhat.com>
1601 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1602 (fold): Don't assume a constant isn't foldable.
1603 * tree.c (build): Set TREE_CONSTANT for an expression with no
1604 side-effects and constant operands.
1607 2001-02-10 Richard Henderson <rth@redhat.com>
1609 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1611 2001-02-10 Anthony Green <green@redhat.com>
1613 * cpp.texi (Standard Predefined): Add documentation for
1616 * c-common.c (combine_strings): Improve warning message.
1618 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1620 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1622 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1624 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1626 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1629 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1631 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1634 2001-02-09 Nick Clifton <nickc@redhat.com>
1636 * config/arm/arm.md: Change output contraint on post inc
1637 load/store multiple patterns to be a read/write contraint.
1639 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1641 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1642 .o files when using the -M options.
1644 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1645 David Edelsohn <edelsohn@gnu.org>
1647 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1648 handle DImode constants. Use one TOC entry for SImode and smaller
1649 constants, aligned properly.
1651 2001-02-08 Jason Merrill <jason@redhat.com>
1653 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1654 about the SP adjustment for saving the static chain pointer.
1655 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1656 offset when setting a temporary CFA register.
1658 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1660 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1661 powerpc-*-chorusos* .
1662 * config/rs6000/chorus.h : New file.
1663 * config/i386/chorus.h : New file.
1664 * config/sparc/chorus.h : New file.
1665 * config/sparc/t-chorus-elf : New file.
1667 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1669 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1670 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1671 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1672 (__WCHAR_TYPE__): Correct macro name.
1674 2001-02-08 Richard Henderson <rth@redhat.com>
1676 * config/i386/i386.c (ix86_frame_pointer_required): New.
1677 (ix86_setup_frame_addresses): New.
1678 (struct machine_funciton): Add accesses_prev_frame.
1679 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1680 ix86_frame_pointer_required.
1681 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1682 (SETUP_FRAME_ADDRESSES): New.
1683 * config/i386/i386-protos.h: Update.
1684 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1685 from FRAME_POINTER_REQUIRED.
1686 * config/i386/svr3gas.h: Likewise.
1687 * config/i386/sysv3.h: Likewise.
1688 * config/i386/v3gas.h: Likewise.
1690 2001-02-08 Richard Henderson <rth@redhat.com>
1692 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1693 calculation of the number of integer registers required.
1694 (function_arg_record_value): Likewise.
1696 2001-02-08 Jason Merrill <jason@redhat.com>
1698 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1699 two. Print file and line with "confused" message.
1701 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1703 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1705 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1707 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1709 * final.c (cleanup_subreg_operands): The address of a MEM can
1712 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1715 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1717 * gcc.texi (Incompatibilities): Update documentation of
1718 preprocessing numbers.
1720 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1722 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1724 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1726 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1728 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1729 * gcc.c (struct compiler): Add cpp_spec field.
1730 (input_file_compiler): New variable.
1731 (do_spec_1): Allow a particular compiler to handle `%C'
1733 (main): Store the current compiler in input_file_compiler.
1734 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1736 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1738 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1739 * cppinit.c (cpp_create_reader): Initialize them.
1740 (append_include_chain): cxx_aware arg might be unused.
1741 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1742 keywords and give them their phase 7 meaning. Pedwarn about
1743 this unless '__bool_true_false_are_defined' is defined.
1745 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1747 * lcm.c (optimize_mode_switching): Emit mode_set before the
1748 JUMP_INSN of an abnormal edge.
1750 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1752 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1753 a scheduling barrier at the end.
1755 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1757 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1759 * config/sh/sh.md (reload_outsf): Removed.
1760 (movsf_ie): Introduce constraints for FPUL loads and stores.
1761 (reload_insf): Broaden the output constraint.
1763 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1765 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1766 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1768 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1770 * final.c: Revert my previous changes.
1771 * output.h: Make profile_label_no extern.
1772 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1773 for generating label.
1775 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1777 * config/i386/djgpp.h: Add comments about standard paths.
1778 (MD_EXEC_PREFIX): Undefine before defining.
1779 (MD_STARTFILE_PREFIX): New.
1781 2001-01-30 Bruce Korb <bkorb@gnu.org>
1783 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1784 (load_file): do not rely on load_file_data() to close file pointer
1785 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1786 fixinc/inclhack.def(irix_limits_const): add test_text
1788 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1790 * cppexp.c (parse_defined): Improve diagnostics for invalid
1793 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1795 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1797 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1799 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1800 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1801 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1802 (rs6000_output_symbol_ref): New function.
1803 (output_toc): Use VTABLE_NAME_P.
1805 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1807 * print-tree.c (print_node, case PARM_DECL):
1808 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1810 * stor-layout.c (reference_types_internal): New variable.
1811 (internal_reference_types): New function.
1812 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1813 * tree.h (internal_reference_types): New declaration.
1815 * cse.c (find_best_addr): Fix typo in computing cost.
1817 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1819 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1820 and this is the sum of a pointer and a constant, we know the result
1822 (num_sign_bit_copies, case PLUS): Likewise.
1823 * explow.c (convert_memory_address): Remove opposite SUBREG.
1824 * function.c (instantiate_new_reg): New function (from common code).
1825 (instantiate_virtual_regs_1): Call it.
1826 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1827 if pointers sign- or zero-extend.
1828 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1829 If pointers extend unsigned, use inside of SUBREG.
1830 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1832 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1834 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1835 subdir of gcc_gxx_include_dir.
1836 (gcc_gxx_target_include_dir): Remove.
1838 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1840 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1841 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1842 a high-level description.
1844 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1846 * final.c: Move the declaration of profile_label_no to ...
1847 * output.h: ... here.
1848 * function.c (expand_function_start): Call PROFILE_HOOK.
1849 * config/rs6000/aix.h: Define PROFILE_HOOK.
1850 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1851 * config/rs6000/rs6000.c (output_profile_hook): Define.
1852 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1853 output_profile_hook.
1854 tm.texi : Explain new macro PROFILE_HOOK.
1856 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1858 * extend.texi (Extended Asm): Do not say that semicolon is always
1859 a valid line-breaking character for GNU assemblers. Use
1860 newline-tab as the most commonly supported syntax. Use
1861 newline-tab rather than semicolon in multi-insn examples.
1863 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1865 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1867 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1868 David Edelsohn <edelsohn@gnu.org>
1870 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1871 code for AIX, even without flag_pic.
1873 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1875 * c-typeck.c (common_type): push and pop binding level around
1876 calling common_type on function parameters.
1878 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1880 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1882 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1884 * config/mips/mips.c (override_options): Fix typo in last change.
1885 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1886 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1888 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1890 * invoke.texi (-fdump-class-layout): Document.
1891 (-fdump-translation-unit): Use `=' as filename separator.
1893 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1895 * Makefile.in (s-mlib): Don't build multilibs if
1897 (DRIVER_DEFINES): Adjust accordingly.
1899 (protoize.o): Likewise.
1900 (unprotoize.o): Likewise.
1901 * configure.in: Recognize --enable-multilib.
1903 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1905 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1907 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1908 * configure.in: Remove --enable-libstdcxx_v3 support.
1909 * configure: Regenerated.
1911 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1913 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1914 Call abort instead of fatal.
1915 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1916 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1917 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1918 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1919 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1920 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1922 * diagnostic.h (set_internal_error_function): Renamed.
1923 * toplev.h (internal_error): Renamed from fatal.
1924 (pfatal_with_name): Deleted.
1925 (fatal_io_error): Now has printf-style arguments.
1926 * diagnostic.c (pfatal_with_name): Deleted.
1927 (fatal_io_error): Rework to have args in printf-style.
1928 (set_internal_error_function): Renamed from set_fatal_function.
1929 (internal_error): Renamed from fatal.
1930 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1931 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1932 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1933 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1934 * flow.c (verify_flow_info): Likewise.
1935 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1936 * config/mips/mips.c (save_restore_insns): Likewise.
1938 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1939 * flow.c (verify_flow_info): Likewise.
1940 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1941 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1942 (avr_normalize_condition): Likewise.
1943 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1944 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1945 (limit_reload_class, double_reg_to_memory): Likewise.
1946 (print_operand_address, emit_1600_code_shift): Likewise.
1947 (gen_tst_reg, gen_compare_reg): Likewise.
1948 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1949 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1951 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1953 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1954 * objc/objc-act.c (build_ivar_chain): Likewise.
1955 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1957 * graph.c (clean_graph_dump_file): Likewise.
1958 * profile.c (init_branch_prob): Likewise.
1959 * objc/objc-act.c (objc_init): Likewise.
1961 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1962 * config/avr/avr.c (avr_override_options): Likewise.
1963 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1964 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1965 * config/h8300/h8300.c (h8300_init_once): Likewise.
1966 * config/mips/mips.c (override_options): Likewise.
1967 * config/i386/i386.c (override_options): Likewise, rework.
1968 * config/m68k/m68k.c (override_options): Likewise.
1970 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1972 * config/mips/mips.c (print_operand): Likewise.
1973 * hash.c (hash_allocate): Don't check for failure returns from
1974 obstack functions that can't fail.
1975 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1976 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1977 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1978 (get_object_reference): Likewise.
1980 2001-02-04 Nick Clifton <nickc@redhat.com>
1982 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1983 StrongARM1110, 10TDMI, and 1020T.
1985 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1987 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1989 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1991 * config/sh/sh.md (movdf load split): Pass register number to
1992 FP_OR_XD_REGISTER_P.
1994 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1996 * cppinit.c (BC): New macro.
1997 (builtin_array): Add __GXX_WEAK__.
1998 * cpplib.h (builtin_type): Add BT_WEAK.
1999 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2000 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2001 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2003 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2005 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2007 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2009 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2010 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2012 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2014 * cpphash.h: Rename ALIGN _ALIGN.
2015 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2017 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2019 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2020 compilation environment.
2021 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2022 control over location of cygwin includes and libs.
2024 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2026 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2028 2001-02-02 lars brinkhoff <lars@nocrew.org>
2030 * md.texi (Standard Names): remove reference to spur.md.
2032 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2034 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2035 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2036 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2037 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2038 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2040 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2042 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2043 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2044 number before reload.
2045 (c4x_adjust_cost): Return zero before reload.
2046 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2047 split before reload.
2049 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2051 * c4x.c (c4x_hard_regno_rename_ok): New.
2052 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2053 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2055 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2057 * diagnostic.h: Add missing "extern" in all declarations.
2059 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2061 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2062 as for gcc_gxx_include_dir.
2064 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2066 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2068 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2070 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2071 label before alignment to be used as the braf base address.
2072 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2074 (casesi_jump_2): Require at least TARGET_SH2.
2076 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2077 truncation to 32-bit doubles on -m3e and -m4-single-only.
2079 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2081 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2082 the default when building a shared object.
2083 (init_spec): Use it.
2084 * testsuite/lib/g++.exp: Include the directory where libgcc
2085 is located to the LD_LIBRARY_PATH list.
2086 * invoke.texi (-shared-libgcc): Document the cases in which
2087 GCC defaults to using the shared libgcc.
2089 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2091 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2092 unsigned is wide enough.
2094 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2095 (si_to_float): Likewise.
2096 (float_to_si, float_to_usi): Use BITS_PER_SI.
2098 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2100 * dwarf2out.c: Added explanation of abbreviations.
2101 (def_cfa_1): Added comments listing DWARF2 instructions.
2102 (cfa_temp_reg): Removed in favor of cfa_temp.
2103 (cfa_temp_value): Removed in favor of cfa_temp.
2104 (cfa_temp): New global variable.
2105 (dwarf2out_frame_debug_expr): Added extensive introductory
2106 comments explaining the function's transformations. Revised to
2107 use cfa_temp. Added some rtx checking. Generalize IOR case.
2108 (dwarf2out_frame_debug): Revised to use cfa_temp.
2109 (output_aranges): Cast as "unsigned" to avoid warning.
2110 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2111 explain which instructions must be marked.
2113 2001-02-01 Richard Henderson <rth@redhat.com>
2115 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2118 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2120 * config/sh/crt1.asm (main_k): Modified so that start calls
2121 ___setup_argv_and_call_main.
2123 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2125 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2126 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2127 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2128 * cppmacro.c (builtin_macro): Set builtin flags here.
2129 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2130 (replace_args): Clarify intent.
2131 (cpp_get_token): Macro expansion tokens get the saved flags.
2133 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2136 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2138 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2141 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2143 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2144 returns Pmode pseudo, but we need ptr_mode.
2145 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2146 Remove bogus conversions; use HOST_WIDE_INT for size.
2147 Don't use TARGET if wrong mode.
2149 * config/i386/i386.c (ix86_compute_frame_size): Allow
2150 stack_alignment_needed to be non-default even if size is zero.
2152 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2154 * (hppa_init_pic_save): Emit the pic offset table
2155 reg save after last_parm_insn.
2156 * pa.c (hppa_init_pic_save): New function.
2157 * pa.h (hppa_init_pic_save): Declare.
2158 * pa.md (call, call_value, sibcall, sibcall_value): Use
2159 the above instead of duplicated code.
2161 * pa.c (hppa_encode_label): Correct size of alloca buffer
2162 so we don't overrun it. Correct leading `*' case.
2163 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2164 need to handle `*@'.
2165 (FUNCTION_NAME_P): Likewise.
2167 2001-01-31 Richard Henderson <rth@redhat.com>
2169 * config.gcc (alpha-osf5): Use float-i128.h.
2171 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2172 * config/float-i32.h: Likewise.
2173 * config/float-i64.h: Likewise.
2174 * config/float-sh.h: Likewise.
2175 * config/float-sparc.h: Likewise.
2177 2001-01-31 DJ Delorie <dj@redhat.com>
2179 * expmed.c (extract_bit_field): allow non-integral modes if we
2180 want to extract a whole register from itself.
2182 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2184 * c-typeck.c (set_init_index): If first is equal to last, assume as
2185 if it was not a range at all.
2187 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2189 * config/fp-bit.c: Include tm.h.
2190 (float_to_si): Don't assume SImode is 32-bits wide.
2191 (float_to_usi): Likewise.
2193 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2195 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2197 (typename): Call pending_xref_error after parsing typed_typespecs.
2198 * c-decl.c (lookup_tag): Give error immediately rather than
2199 leaving it pending if the tag of the wrong type is in the same
2201 (xref_tag): Don't pedwarn for forward declarations of enum types
2203 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2206 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2208 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2210 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2212 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2213 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2215 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2217 * cpphash.h (struct cpp_reader): New saved_flags.
2218 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2219 to avoid a paste after a pasted token.
2221 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2223 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2224 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2225 Wtype_MIN instead of LONG_MIN.
2227 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2229 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2231 * fixinc/fixincl.x: Regenerated.
2232 * fixinc/inclhack.def (irix_limits_const): New definition to
2233 convert "const" to "__const" in limits.h.
2235 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2237 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2239 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2241 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2242 when register dies in the insn.
2244 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2246 * diagnostic.c (fatal): Fix word wrap.
2248 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2250 * combine.c (try_combine): Fix SUBREG setting for
2251 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2253 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2255 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2258 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2260 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2262 * toplev.c (decode_W_option): Update warn_larger_than
2263 unconditionally for each processed switch.
2265 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2267 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2269 (hppa_expand_prologue): Delete code to save pic offset table register
2270 in the function prologue.
2271 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2272 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2273 table register at the beginning of the function after the prologue.
2275 2001-01-29 lars brinkhoff <lars@nocrew.org>
2277 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2279 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2280 Jeff Law <law@redhat.com>
2282 * pa.md (return): Revise comment for trivial return.
2283 (return_internal): Non-trivial return pattern for non-PIC code.
2284 (return_internal_pic): Non-trivial return pattern for PIC code.
2285 It uses the PIC register to ensure it is restored after
2287 (epilogue): Generate appropriate return for PIC and non-PIC code.
2289 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2291 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2293 2001-01-29 DJ Delorie <dj@redhat.com>
2295 * combine.c (if_then_else_cond): Pass the correct mode to
2296 operand_subword() for constants.
2298 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2300 * config/i386/cygwin.h: Add w32api to include search. Search different
2301 directories in a cross-build environment.
2303 2001-11-29 Tim Josling <tej@melbpc.org.au>
2305 * tree.h (TYPE_STUB_DECL): Add documentation.
2307 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2309 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2310 (sdbout_field_types): Likwise. Fix use of host_integerp.
2312 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2314 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2317 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2319 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2320 to use flag_gnu_linker.
2322 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2324 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2325 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2327 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2329 * tree.c, tree.h (build_parse_node): Remove; was identical to
2331 * c-lang.c (start_cdtor), objc/objc-act.c
2332 (build_module_descriptor): Use build_nt instead of
2335 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2337 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2338 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2339 not have any upper bits set.
2341 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2343 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2345 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2347 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2349 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2351 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2352 (integer_minus_one_node): Define.
2354 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2356 * Makefile.in (bootstrap2-lean): Fix typo.
2358 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2360 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2361 : Don't set fe_value.
2362 * cpplib.h (AVOID_LPASTE): New flag.
2363 (struct cpp_hashnode): Remove fe_value.
2364 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2365 * cppmacro.c (builtin_macro): Don't set flags here.
2366 (replace_args): Set AVOID_LPASTE flag on first token of an
2367 argument, and the token following it.
2368 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2369 macro expansion, and on the token following it. Do it for
2371 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2373 2001-01-27 Richard Henderson <rth@redhat.com>
2375 * config/alpha/t-ieee: Remove multilibbing.
2376 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2378 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2380 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2382 * Makefile.in: Remove all dependencies on defaults.h.
2383 * builtins.c: Don't include defaults.h.
2384 * c-common.c: Likewise.
2385 * c-decl.c: Likewise.
2386 * c-pragma.c: Likewise.
2387 * c-typeck.c: Likewise.
2388 * combine.c: Likewise.
2390 * frame-ia64.c: Likewise.
2391 * cppexp.c: Likewise.
2392 * crtstuff.c: Likewise.
2393 * dbxout.c: Likewise.
2394 * dwarf2out.c: Likewise.
2395 * dwarfout.c: Likewise.
2396 * emit-rtl.c: Likewise.
2397 * except.c: Likewise.
2399 * final.c: Likewise.
2400 * frame-dwarf2.c: Likewise.
2401 * libgcc2.c: Likewise.
2402 * optabs.c: Likewise.
2403 * profile.c: Likewise.
2404 * sdbout.c: Likewise.
2405 * toplev.c: Likewise.
2406 * tradcif.y: Likewise.
2408 * varasm.c: Likewise.
2410 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2412 * builtins.c (expand_builtin_fputs): Use size_one_node when
2413 transforming into fwrite.
2415 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2417 * extend.texi (Attribute Syntax): New section.
2419 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2421 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2422 they didn't need fixing.
2424 2001-01-27 Janis Johnson <janis@us.ibm.com>
2426 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2428 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2429 to remove macro definitions that are duplicated from elfos.h.
2431 2001-01-27 Richard Henderson <rth@redhat.com>
2433 * config/i386/sco5gas.h: Move ...
2434 * config/usegas.h: ... here.
2435 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2437 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2439 * c-typeck.c (struct constructor_stack): Add range_stack member.
2440 (really_start_incremental_init): Clear it.
2441 (push_init_level): Save constructor_range_stack and clear it if
2442 pushing explicit braces.
2443 (pop_init_level): abort if constructor_range_stack is non-zero at
2444 explicit closing brace. Restore saved constructor_range_stack if
2447 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2449 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2450 into register was forced into memory.
2452 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2454 * Makefile.in: Remove uses of + before $(MAKE).
2456 2001-01-26 Richard Henderson <rth@redhat.com>
2458 * stmt.c (cost_table): Remove.
2459 (COST_TABLE, cost_table_initialized): New.
2460 (estimate_case_costs): Use the later instead of the former.
2461 (balance_case_nodes): Likewise.
2463 2001-01-26 Richard Henderson <rth@redhat.com>
2465 * alias.c (objects_must_conflict_p): Read-only slots may not
2466 conflict despite having the same type.
2468 2001-01-27 Michael Hayes <mhayes@redhat.com>
2470 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2472 (check_ext_dependant_givs): Initialise u_start_val and
2474 (load_mems): Make last_max_reg unsigned.
2475 (try_swap_copy_prop): Use INSN_P and initialise set.
2477 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2479 * README.AVR : Removed.
2481 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2483 * pa-64.h (text_section): Remove declaration.
2485 * pa.md (return_internal): Remove mode on PIC register use.
2487 2001-01-25 lars brinkhoff <lars@nocrew.org>
2489 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2490 ASM_CLOSE_PAREN): fix typos.
2492 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2494 * acconfig.h: Define `const' to the empty string if neither
2495 __STDC__ nor __cplusplus is defined.
2496 * config.in: Regenerated.
2498 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2500 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2501 * collect2.c (main): Delete importf. Add ".obj" file extension.
2502 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2503 (aix_std_libs): Add additional AIX libraries to skip.
2504 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2505 * config/rs6000/aix51.h: New file.
2507 2001-01-25 Michael Hayes <mhayes@redhat.com>
2509 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2510 (loop_insn_emit_before): No longer static.
2511 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2512 (loop_givs_rescan, load_mems): Likewise.
2513 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2514 (maybe_eliminate_biv_1):
2515 (move_movables): Replace emit_call_insn_before with
2516 loop_call_insn_hoist.
2517 * loop.h (loop_insn_emit_before): Add.
2518 * unroll.c (copy_loop_body): Replace emit_insn_before with
2519 loop_insn_emit_before.
2521 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2523 * diagnostic.c (fatal): Request preprocessed source.
2525 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2527 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2528 olddecl has argument types and newdecl has none, use the argument
2531 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2533 * dwarf2out.c (prefix_of): New function. Determine longest common
2534 prefix of the two arguments. The units are whole path components.
2535 (output_file_names): When adding a new directory find the one entry
2536 with the longest common prefix already in the list. Artificially
2537 generate entry if there is none for this prefix.
2538 Fix test to check whether the zeroth directory entry is used.
2540 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2542 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2543 Changed all callers. Take it into account when deciding if a
2544 previously loaded value matches.
2546 2001-01-24 Richard Henderson <rth@redhat.com>
2548 * reload.c (find_reloads_subreg_address): Fail the substitution
2549 if the resulting address is insufficiently aligned.
2551 2001-01-24 DJ Delorie <dj@redhat.com>
2553 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2554 check the original operand's mode also.
2555 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2557 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2559 * c-parse.in (cast_expr): Move compound literals from here ...
2560 (primary): ... to here. Use standard terminology "compound
2561 literal" instead of "constructor expression".
2563 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2565 * gcc.1, cpp.1: Regenerate.
2567 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2569 * calls.c (emit_library_call_value_1): Memory slot for
2570 pass-by-reference argument should have the mode of the argument,
2571 not of the pointer to it.
2573 2001-01-24 Tom Tromey <tromey@redhat.com>
2575 * gcc.texi (G++ and GCC): Mention gcj manual.
2576 (Standards): Link to section of manual mentioning gcj/Java
2579 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2581 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2582 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2583 * tradcpp.c (main): Add -imacros or -include'd dependencies
2585 * cpp.texi (-M, -MM): Document -M -include behaviour.
2587 2001-01-24 Roger Collins <roger@ProProject.com>
2589 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2591 2001-01-24 Will Cohen <wcohen@redhat.com>
2593 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2594 whether registers are 32 bits or 64 bits in size.
2596 2001-01-24 Ben Elliston <bje@redhat.com>
2598 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2600 2001-01-24 Richard Henderson <rth@redhat.com>
2602 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2603 (builtin_longjmp): Use it instead of emit_indirect_jump.
2605 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2607 * bb-reorder.c (make_reorder_chain_1): Handle case where
2608 jump edge goes to the same block as the fallthru edge.
2610 2001-01-23 Jim Wilson <wilson@redhat.com>
2612 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2613 * frame.h (__ia64_personality_v1): Add prototype.
2614 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2615 prototype form. Add void * cast to first argument to personality
2617 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2618 (asctoe113): Likewise.
2619 * config/ia64/frame-ia64.c: Include eh-common.h.
2620 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2622 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2624 (itanium_split_issue): Add prototype.
2625 (gen_nop_type): Ifdef out.
2626 (find_best_packet): Initialize best_packet.
2627 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2629 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2630 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2631 (flushrs): Add explicit stop bit at end.
2632 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2635 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2637 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2639 * libgcc2.c (__terminate_func): Make variable static.
2640 (__terminate_set_func): New function to set __terminate_func.
2641 * libgcc2.h (__terminate_func_ptr): New typedef.
2642 (__terminate_set_func): New function.
2644 2001-01-23 Richard Henderson <rth@redhat.com>
2646 * flow.c (init_propagate_block_info): Don't consider unchanging
2647 memories for dead frame store elimination.
2649 2001-01-23 Richard Henderson <rth@redhat.com>
2651 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2652 * defaults.h: ... here.
2654 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2656 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2658 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2660 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2662 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2664 * rs6000.h (rs6000_return_addr): Move prototype from here...
2665 * rs6000-protos.h (rs6000_return_addr): ...to here.
2666 (rs6000_init_expanders): Delete prototype.
2668 2001-01-23 Nick Clifton <nickc@redhat.com>
2670 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2671 (Spec Files): Document %B and %j and %. and %v3 and %M and
2672 %{S*&T} spec switches.
2674 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2676 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2678 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2679 Neil Booth <neil@daikokuya.demon.co.uk>
2681 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2682 Have -Werror make pedantic warnings errors, like the
2685 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2687 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2689 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2691 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2692 * integrate.c (expand_inline_function): Initialize them.
2693 (subst_constants): If changing COMPARE so that both its arguments
2694 will be VOIDmode and the comparison mode will be lost, note
2695 compare_mode. Use the recorded compare_mode to optimize
2698 2001-01-23 Jason Merrill <jason@redhat.com>
2700 * dwarf2out.c (new_die): Use xcalloc.
2701 (output_die): Abort rather than emit a local reference to offset 0.
2703 2001-01-17 Andrew Haley <aph@redhat.com>
2705 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2706 of a saved register; return NULL instead.
2707 (copy_reg): Take a pointer to a source register rather than a
2709 (next_stack_level): Remember the address in the stack frame of all
2711 Use the saved register pointer array as the source of the CFA.
2712 (throw_helper): Rewrite. Unwind once rather than twice and keep
2713 track of saved registers as we go.
2715 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2717 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2718 * c4x.c (c4x_legitimize_reload_address): Remove.
2719 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2720 reload address for ldp(k) insn.
2722 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2724 * pa.md (return_internal): Add a USE of the PIC register to ensure
2725 it is restored after each call.
2726 (return expander): Corresponding changes.
2728 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2730 * rs6000.h (INIT_EXPANDERS): Delete.
2731 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2732 * rs6000.c (rs6000_override_options): Call *_machine_status from
2734 (rs6000_init_expanders): ...instead of here. Delete.
2735 (rs6000_mark_machine_status): New function.
2736 (rs6000_init_machine_status): Use xcalloc.
2737 (rs6000_return_addr): Generate RTX for the return address.
2738 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2739 (rs6000_stack_info): Use it.
2741 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2743 * gthr-win32.h: Include errno.h to get a declaration for
2744 EINVAL and _mingw.h if the target is mingw32.
2746 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2748 * cpp.texi: Correct typos.
2750 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2752 * explow.c (probe_stack_range): Ensure value passed to
2753 stack_check_libfunc is ptr_mode, not Pmode.
2755 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2757 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2758 case, don't use operand_subword to calculate a SUBREG that is
2761 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2763 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2765 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2766 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2767 valid. If not replace it by equivalent insns.
2769 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2771 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2772 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2773 (c4x_U_constraint, symbolic_address_operand): Likewise.
2774 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2776 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2777 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2778 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2779 anulling slot because of silicon bug.
2780 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2782 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2784 * cppexp.c (parse_charconst): Change `mask' type to agree
2787 2001-01-21 Richard Henderson <rth@redhat.com>
2789 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2790 pic_label_name in a linkonce section.
2792 2001-01-17 Philipp Thomas <pthomas@suse.de>
2794 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2796 * configure: Regenerate.
2798 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2800 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2801 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2803 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2805 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2806 If REVERSE nonzero then condition code in X must be reversed.
2807 (encode_section_info): Optimise if/else.
2808 (avr_function_value): Fix formatting.
2810 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2811 (difficult_branch): Likewise.
2812 (rvbranch): Likewise.
2813 (difficult_rvbranch): Likewise.
2815 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2817 * config/avr/libgcc.S: Fix comment.
2819 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2821 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2823 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2825 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2827 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2829 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2830 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2831 * configure, config.in: Regenerate.
2832 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2833 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2834 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2835 (doprint.o): New rule.
2837 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2839 * c-typeck.c (digest_init): Handle boolean types as scalars.
2841 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2843 * stmt.c (expand_return): Don't return anything if size is zero.
2844 Delete redundant assignment to BYTES.
2845 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2847 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2849 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2850 the same as the default library function names.
2851 * config/avr/avr.md: Document special characters after '%'.
2852 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2853 knowing which of the call-used registers are really clobbered.
2854 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2855 New. Both quotient and remainder from one libgcc.S call.
2856 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2857 clobber as few registers as possible.
2858 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2860 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2862 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2863 context of the top of the stack.
2865 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2867 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2868 (fixup_var_refs_insns): ...here.
2870 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2872 * function.c (fixup_var_refs_insns): Break up into
2873 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2874 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2875 [loop over hash table entries].
2876 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2877 fixup_var_refs_insns_with_hash, to match above changes.
2879 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2881 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2882 (libgcc.a): Likewise.
2883 (stmp-multilib): Likewise.
2884 (STAGE2_FLAGS_TO_PASS): Likewise.
2886 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2888 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2889 temporary if no_new_pseudos.
2891 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2893 * cppinternals.texi: Update.
2895 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2897 * arm.c (arm_init_builtins): Re-enable builtins.
2899 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2901 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2902 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2903 element to be null, and always expect an EXPR_LIST.
2904 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2905 * sched-deps.c (sched_analyze_1): Likewise.
2906 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2908 * regclass.c (max_set_parallel): New variable.
2909 (reg_scan): Take it into account in computation of max_parallel.
2910 (reg_scan_mark_refs, case SET): Compute it.
2912 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2914 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2915 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2917 2001-01-19 Jason Merrill <jason@redhat.com>
2919 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2920 for the abstract instance of an inline function.
2922 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2923 J"orn Rennecke <amylaar@redhat.com>
2925 * reload1.c (move2add_note_store): Treat all registers directly or
2926 indirectly derived from a base register as members of the same set
2928 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2929 of base register into account.
2931 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2933 * alias.c (find_base_value): Recognize TRUNCATE.
2934 (record_set): In PLUS case, invalidate if other summand is also a
2937 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2939 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2940 entry to be EXPR_LIST.
2941 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2942 be an EXPR_LIST (but not null, which other code doesn't allow).
2943 (note_stores): Properly handle PARALLEL in SET.
2944 Recursively call for top-level PARALLEL.
2945 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2946 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2948 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2950 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2952 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2953 not pfile->skipping (== 0).
2955 2001-01-17 Nick Clifton <nickc@redhat.com>
2957 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2960 2001-01-17 Jim Wilson <wilson@redhat.com>
2962 * invoke.texi (IA-64 options): Improve.
2964 2001-01-17 Tom Tromey <tromey@redhat.com>
2966 * invoke.texi (Optimize Options): Use `{}' to around @samp
2969 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2971 * invoke.texi (-fno-guess-branch-probability): New option.
2973 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2975 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2976 case of making new double-word constant.
2977 Revert last change: instead just test i3_subst_into_i2.
2979 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2981 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2982 Use q constraints instead of r.
2984 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2986 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2987 (machine_function): Define.
2988 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2989 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2990 pa_free_machine_status): New functions.
2991 (override_options): Set {init,mark,free}_machine_status to above.
2992 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2993 PIC_OFFSET_TABLE_REGNUM_SAVED.
2994 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2995 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2996 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2997 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2998 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3000 2001-01-15 DJ Delorie <dj@redhat.com>
3002 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3006 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3008 * flow.c (propagate_on_insn): Make trying to delete a prologue
3009 or epilogue insn an ICE, not a warning. Allow doing this if
3010 the current function returns with stack pointer depressed.
3012 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3013 I3 having more than one SET.
3015 2001-01-16 Jim Wilson <wilson@redhat.com>
3017 * invoke.texi: Document IA-64 options.
3019 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3020 (fixup_errata): Delete TARGET_A_STEP use.
3021 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3022 (TARGET_SWITCHES): Delete -ma-step option.
3023 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3024 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3025 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3026 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3027 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3028 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3030 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3031 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3032 cmovsi_internal): Delete ! TARGET_A_STEP check.
3034 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3036 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3037 possibility to report bugs via postal mail. Change a URL and
3038 merge in a nearly duplicate statement...
3039 (Bug Reporting): ...from here.
3040 (Service): Refer to the Bug Reporting section instead of
3042 (Contributing): Remove trivial explanations concerning snapshots.
3044 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3046 * cppmain.c (general_init): Don't use ANSI prototype.
3048 2001-01-16 Tom Tromey <tromey@redhat.com>
3050 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3052 2001-01-16 Richard Henderson <rth@redhat.com>
3054 * config/i386/i386.h: Fix comment typo.
3055 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3056 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3058 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3060 * gcc.c: Revert previous -fsyntax-only-related change; move
3063 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3065 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3066 inmode after checking GET_CODE (op).
3068 2001-01-16 Richard Henderson <rth@redhat.com>
3070 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3071 (MAX_MEM_SET_LIST_LEN): New.
3072 (propagate_one_insn): Update mem_set_list_len.
3073 (invalidate_mems_from_autoinc): Likewise.
3074 (invalidate_mems_from_set): Likewise.
3075 (mark_used_regs): Likewise.
3076 (init_propagate_block_info): Likewise. Stop collecting memories
3077 when we reach MAX_MEM_SET_LIST_LEN.
3078 (mark_set_1): Likewise.
3080 2001-01-16 Richard Henderson <rth@redhat.com>
3082 * unroll.c (precondition_loop_p): Fail if no iteration
3085 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3087 * gcc.c: When -fsyntax-only is given, do not complain about
3090 2001-01-15 Richard Henderson <rth@redhat.com>
3092 * config/i386/i386.c (asm_output_function_prefix): Remove.
3093 (ix86_asm_file_end): New.
3094 (load_pic_register): Generate pic_label_name into a
3095 staticly allocated buffer.
3096 * config/i386/i386-protos.h: Update.
3097 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3098 (ASM_FILE_END): New.
3099 * config/i386/i386afe.h: New file.
3100 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3101 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3102 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3103 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3104 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3105 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3106 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3108 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3110 * Makefile.in (install-man): Remove explicit dependency on
3113 * configure.in, configure: Revert previous patch requiring perl
3116 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3118 * toplev.c (flag_guess_branch_prob): New.
3119 (f_options): Add guess-branch-probability option.
3120 (rest_of_decl_compilation): Only estimate branch probability if
3122 (main): set flag_guess_branch_prob.
3124 * flags.h (flag_guess_branch_prob): New.
3126 2001-01-15 DJ Delorie <dj@redhat.com>
3128 * gcc.texi (Makefile): Add documentation for Makefile targets.
3130 2001-01-15 Philip Blundell <philb@gnu.org>
3132 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3134 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3135 (is_pic): Delete declaration.
3136 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3137 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3138 * config/arm/arm.md (builtin_setjmp_receiver): New.
3140 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3142 * arm.c (use_return_insn): Don't try to determine the function type
3143 until after reload has completed.
3144 (arm_output_epilogue): Don't adjust the sp value recovered from the
3146 (emit_multi_reg_push): Don't record dwarf information for the pc.
3147 * arm.md (eh_epilogue): The function type may have changed, so it
3148 needs to be recalculated.
3149 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3150 unwind tables on arm/netbsd.
3152 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3154 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3155 (negated_cbranchsi4): Likewise.
3157 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3159 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3160 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3161 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3162 pass -mapcs-* options to assembler.
3163 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3164 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3165 (ASM_SPEC): Call subtarget_extra_asm_spec.
3167 2001-01-15 Andreas Jaeger <aj@suse.de>
3169 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3171 (ix86_expand_builtin): Likewise.
3173 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3174 warning about comparison between signed and unsigned.
3176 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3178 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3180 2001-01-14 Ralf Baechle <ralf@gnu.org>
3182 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3183 SUBTARGET_CPP_SPEC apropriatly.
3185 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3187 * varasm.c (make_decl_rtl): Fix typo in last change.
3189 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3191 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3192 linker supports the init_priority C++ attribute.
3193 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3194 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3195 linker does not support init_priority C++ attribute.
3197 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3199 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3201 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3203 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3204 * cp/lex.c (finish_parse): Similarly.
3205 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3206 Return the number of errors encountered.
3207 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3208 * cppmain.c (main): Don't call cpp_destroy.
3210 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3212 * configure.in: Require at least perl 5.6.0 to regenerate
3214 * configure: Regenerate.
3216 2001-01-14 Richard Henderson <rth@redhat.com>
3218 * genrecog.c (DT_veclen_ge): New.
3219 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3220 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3221 (nodes_identical_1): Handle DT_veclen_ge.
3222 (write_cond, debug_decision_2): Likewise.
3224 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3226 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3228 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3230 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3232 * cppmain.c (do_preprocessing): New function; most of the old
3234 (main): Call it to do most of the work.
3235 (cb): Move from global scope to set_callbacks ().
3236 (setup_callbacks): Get the callback pointer.
3237 (general_init, printer_init): Clean up code and comments.
3239 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3241 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3244 2001-01-14 Kazu Hirata <kazu@hxi.com>
3246 * config/h8300/h8300.c (get_shift_alg): Update comments.
3248 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3250 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3251 (alloc_page, ggc_alloc): Add casts to remove warnings.
3253 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3255 * combine.c (simplify_comparison): Don't change `code' when
3256 can't reverse comparison.
3258 2001-01-14 Richard Henderson <rth@redhat.com>
3260 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3261 update all call sites. Return true for all non-label constants.
3263 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3265 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3267 (ix86_expand_branch): Update.
3268 (ix86_expand_setcc): Update to handle multiple test conditions.
3269 (expand_int_movcc): Likewise.
3270 (expand_fp_movcc): Likewise.
3271 * i386-protos.h (ix86_expand_compare): New.
3272 * i386.md (andqi_?_slp, orqi_?_slp): New.
3273 (conditional trap expander): Update call to ix86_expand_compare.
3275 2001-01-14 Richard Henderson <rth@redhat.com>
3277 * config/vax/vax.md: Use nonimmediate_operand instead of
3278 general_operand in destinations.
3280 * config/vax/vax.md (indirect_jump): Use register_operand.
3282 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3283 * config/vax/vax.md (call_pop): Turn into an expander.
3284 (call_value_pop): Likewise.
3285 (call, call_value): New.
3287 2001-01-14 Andreas Jaeger <aj@suse.de>
3289 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3291 (ix86_fp_compare_mode): Add unused attribute.
3292 (ix86_expand_fp_movcc): Remove unused variable.
3293 (ix86_expand_builtin): Make fcode unsigned.
3295 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3296 (expand_expr): Add cast to avoid signed warning.
3297 (store_field): Likewise.
3298 (store_constructor_field): Likewise.
3299 (store_constructor): Likewise.
3300 (store_expr): Likewise.
3301 (clear_storage): Likewise.
3302 (emit_group_store): Likewise.
3303 (emit_group_load): Likewise.
3305 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3307 * c-common.c: Move format checking code to ...
3308 * c-format.c: ... here. New file. Reorder some functions and
3310 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3312 * c-common.h (decl_handle_format_attribute,
3313 decl_handle_format_arg_attribute): Declare.
3314 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3315 (c-common.o): Adjust dependencies.
3316 (c-format.o): New list of dependencies.
3318 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3320 * unroll.c (loop_iterations): If we cannot prove iteration variable
3321 is set once in each iteration, punt.
3323 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3325 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3326 (*strlenhi): Remove clobber (which was buggy) of output address.
3328 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3330 * Makefile.in (generated-manpages): Add gcc.1
3331 ($(srcdir)/gcc.1): New target.
3332 (maintainer-clean): Delete $(srcdir)/gcc.1.
3333 * gcc.texi: Add macros @gccoptlist and @gol.
3334 * invoke.texi: Include option summary in manpage. Mark up option
3335 summary with @gccoptlist and @gol. Use @r in one place where
3337 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3338 * gcc.1: Generate from invoke.texi.
3340 2001-01-13 Richard Henderson <rth@redhat.com>
3342 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3343 (struct page_entry): Add group member.
3344 (struct page_group): New.
3345 (struct globals): Add page_groups member.
3346 (alloc_anon): Only define for using mmap; remove valloc call.
3347 (page_group_index): New.
3348 (set_page_group_in_use): New.
3349 (clear_page_group_in_use): New.
3350 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3351 (free_page, release_pages): Likewise.
3352 * configure.in (with-gc): Default to ggc-page always.
3354 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3356 * reload1.c (replace_pseudos_in_call_usage): Use
3357 reg_equiv_constant and reg_equiv_address, and don't try
3358 regno_reg_rtx first.
3360 2001-01-13 Richard Henderson <rth@redhat.com>
3362 * ggc-page.c (alloc_page): Round up allocation size to one page.
3363 Set e->order on extra pages.
3365 2001-01-13 Richard Henderson <rth@redhat.com>
3367 * genrecog.c (nodes_identical): Expand commentary.
3368 (write_switch): Watch out for identical nodes.
3370 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3372 * cppfiles.c (_cpp_fake_include): New function.
3373 * cpphash.h (_cpp_fake_include): New.
3374 * cpplib.c (do_line): Call _cpp_fake_include when entering
3375 header files in preprocessed input.
3376 * cppmain.c (cb_pragma_implementation): Remove handling.
3377 (setup_callbacks): Don't register pragmas.
3379 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3381 * extend.texi: Udate for CPP.
3383 2001-01-13 Andreas Jaeger <aj@suse.de>
3385 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3387 * regmove.c: Add prototype for replace_in_call_usage.
3389 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3391 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3392 struct cpp_chunk, struct htab, struct toklist,
3393 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3394 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3395 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3396 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3397 (struct macro_args): Delete.
3398 * cpphash.h: See above.
3400 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3402 * cppmain.c (struct printer): Remove no_line_dirs.
3404 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3405 : Use options rather than CPP_OPTION.
3406 (setup_callbacks): Use cb rather than pfile->cb.
3407 (main): No need to check for a buffer. Use cpp_errors.
3408 (printer_init): Don't set no_line_dirs.
3409 (maybe_print_line): Use options not no_line_dirs.
3410 (cb_file_change): Don't call print_line if -P.
3412 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3414 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3416 * c-parse.in (finish_parse): Use cpp_errors.
3417 (__yylex): Use return value of cpp_pop_buffer.
3418 * cp/lex.c (finish_parse): Use cpp_errors.
3419 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3421 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3423 * README.AVR: URLs corrected.
3425 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3427 * c-decl.c (start_function): Don't warn if old prototype is builtin
3428 that's not in C's namespace.
3429 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3430 (_bb): Add prototype for ctime.
3431 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3433 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3435 * i386.c (ix86_fp_comparison_arithmetics_cost,
3436 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3437 ix86_fp_comparison_cost): New functions.
3438 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3439 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3440 two-branch sequences; make static.
3441 (ix86_use_fcomi_compare): Do decision according to the costs.
3442 (split_fp_branch): New.
3443 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3444 * i386-protos.h (ix86_expand_fp_compare): Remove
3445 (ix86_split_fp_branch): Declare.
3447 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3448 and ix86_comparison_operator.
3450 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3453 * i386.c (put_condition_code): Output properly the unordered/ordered
3454 compares in fp case.
3455 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3457 * tm.texi (REVERSE_CONDITION): Document.
3458 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3459 in -ffast-math mode.
3460 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3462 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3464 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3466 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3469 * config/sh/sh.c (mova_p): Fix test for mova_const.
3471 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3473 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3474 cpp_get_options rather than dereferencing pfile and using
3476 * scan-decls.c (scan_decls): Use return value of
3477 cpp_pop_buffer rather than CPP_BUFFER.
3479 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3481 * cppinit.c (cpp_handle_option): help_only is now part of the
3482 cpp_options structure.
3483 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3484 cpp_set_callbacks): New functions.
3485 * cpplib.h (cpp_callbacks): Break out as a named structure.
3486 (cpp_options): Move help_only here from cpp_reader.
3487 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3488 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3489 cpp_set_callbacks): New prototypes.
3490 * cppmain.c (main): Update for help_only.
3492 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3494 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3495 Also build and remove and install and uninstall c-tree.info and
3497 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3498 ($(srcdir)/cppinternals.info): New target.
3499 * c-tree.texi: Change file name used when makeinfo used without -o
3500 from ir.info to c-tree.info. Add info directory entry.
3501 * cppinternals.texi: Add info directory entry.
3502 * .cvsignore: Update.
3504 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3506 * c-typeck.c (store_init_value): Don't require constant initializer
3507 elements with -pedantic -std=c99.
3508 (digest_init): Change error about non-constant initializer elements
3510 (constructor_range_end): Remove.
3511 (constructor_incremental, designator_depth,
3512 designator_errorneous): New variables.
3513 (struct constructor_stack): Remove range_end, add incremental.
3514 (struct constructor_range_stack, constructor_range_stack): New.
3515 (struct initializer_stack): Add constructor_range_stack.
3516 (finish_init): Set it.
3517 (start_init): Likewise. require_constant_elements for non-static
3518 trees only if not flag_isoc99.
3519 (really_start_incremental_init): Remove constructor_range_end, add
3520 constructor_incremental.
3521 (pop_init_level): Likewise.
3522 (push_init_level): Likewise. If implicit and the subobject had some
3523 value set already, preinitialize the level with it.
3524 Warn about missing braces only if not pushing due to designators.
3525 (set_designator, push_range_stack): New functions.
3526 (set_init_label): Use them.
3527 (set_init_index): Likewise. Remove constructor_range_end.
3528 Error if designator index is outside of array bounds.
3529 (add_pending_init): Compare values of purpose index trees, not the
3530 trees themselves. Allow overwriting of already initialized element.
3531 Issue a warning if it had side-effects.
3532 (set_nonincremental_init, set_nonincremental_init_from_string): New
3534 (pending_init_member): Rename to...
3535 (find_init_member): ...this function. Call set_nonincremental_init
3536 if necessary. Compare values of purpose index trees, not the trees
3537 themselves. Return the actual value, not just non-zero if something
3539 (output_init_element): Remove checks for duplicates.
3540 If field has zero size, only check the initializer for correctness.
3541 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3542 if constructor_incremental is zero. Change error about initializers
3543 not computable at load time into pedwarn.
3544 (output_pending_init_elements): Compare bit positions, not
3545 FIELD_DECLs to take into account zero-sized fields.
3546 (process_init_element): Use constructor_range_stack to fill all
3547 ranges in the designator lists from current level up.
3548 * extend.texi: Update documentation for labeled elements.
3550 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3552 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3553 to function usage for arguments passed by reference. Optimize
3554 callee-copied arguments.
3555 * regmove.c (replace_in_call_usage): New function.
3556 (fixup_match_1): Call it.
3557 * cse.c (cse_insn): Canonicalize registers in function usage.
3558 * reload1.c (replace_pseudos_in_call_usage): New function.
3561 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3564 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3566 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3569 2001-01-12 DJ Delorie <dj@redhat.com>
3571 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3572 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3575 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3577 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3578 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3579 -std options alongside references to -ansi. Update some
3580 documentation for C99.
3581 * cpp.1: Regenerate.
3583 2001-01-12 Andreas Jaeger <aj@suse.de>
3585 * haifa-sched.c (restore_line_notes): Remove argument block B
3587 * sched-ebb.c (schedule_ebb): Change caller.
3588 * sched-rgn.c (schedule_region): Likewise.
3589 * sched-int.h (restore_line_notes): Adjust prototype.
3591 * loop.h: Remove wrong declaration of doloop_condition_get.
3593 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3595 * extend.texi: Move C++-extension-related node from the C section
3596 into the C++ section.
3598 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3600 * extend.texi: Refer to an array of pointers to functions instead
3601 of one of functions.
3603 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3604 Jan Hubicka <jh@suse.cz>
3606 * combine.c (reversed_comparison): Fix typo in last patch.
3608 (combine_reversed_comparison_code): Make static to follow
3609 prototype declaration.
3611 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3613 * install.texi: Remove misplaced duplicate entry.
3615 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3617 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3619 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3621 * final.c: (leaf_function_p): Fix typo.
3623 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3625 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3626 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3628 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3629 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3630 mmap_anon, and valloc is available.
3631 * ggc-page.c: Restructure ifdef logic to match new autoconf
3632 spec. Don't throw away the test page in init_ggc.
3634 * configure, config.in: Regenerate.
3636 2001-01-12 Michael Hayes <mhayes@redhat.com>
3638 * loop.h (total_biv_increment): Constify iv_class pointer.
3639 (struct induction): Replace `mem_mode' with `mem' rtx.
3640 * unroll.c (total_biv_increment): Constify iv_class pointer.
3641 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3642 (find_mem_givs, combine_givs_p): Likewise.
3643 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3645 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3647 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3649 (__gthread_getspecific): Ditto.
3651 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3653 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3654 put_condition_code): Convert fp comparison codes to integer
3656 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3659 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3660 * i386-protos.h (no_comparison_operator): Kill.
3662 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3664 * combine.c (REVERSIBLE_CC_MODE): Remove.
3665 (reversible_comparison_p): Remove.
3666 (combine_reversed_comparison_code): New.
3667 (reversed_comparison): New.
3668 (combine_simplify_rtx): Use
3669 combine_reversed_comparison_code/reversed_comparison instead
3670 of reversible_comparison_p.
3671 (simplify_if_then_else): Likewise.
3672 (simplify_set): Likewise.
3673 (simplify_logical): Likewise.
3674 (if_then_else_cond): Likewise.
3675 (known_cond): Likewise.
3676 (simplify_comparison): Likewise.
3678 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3680 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3681 sizeof (int) is larger than sizeof(__word__).
3683 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3685 * cppinit.c (do_includes): Fix typo.
3687 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3689 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3690 in S_REGS does not occur because not all sources are possible
3691 when a S_REGS is a destination (sometimes needs a clobber).
3692 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3693 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3694 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3695 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3696 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3697 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3698 (lshrdi_const1, lshrsi3_const16): Likewise.
3699 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3700 (*movhi_68hc12, *movqi_68hc12): Likewise.
3701 (movstrictqi): Make sure reloading in D_REGS as a destination
3704 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3706 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3708 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3710 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3711 -D, -U and -A, and don't initialize the builtins.
3712 (do_includes): Error if -include or -imacros with -fpreprocessed.
3713 * cppmain.c (cb_define, cb_undef): Unconditionally process
3715 * tradcpp.c (main): Fix typo.
3717 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3719 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3720 (read_name_map): Use IS_ABSOLUTE_PATH.
3721 * tradcpp.c (get_filename): Likewise.
3723 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3725 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3726 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3727 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3728 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3729 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3730 (cmphi_z_used): Don't use '@' for the output.
3731 (tstqi_z_used): Likewise.
3732 (cmpqi_z_used): Likewise.
3733 (one_cmplsi2): Likewise.
3735 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3737 * config/sh/sh.c (barrier_align): Recognize branch around far
3738 branch and redundant insn.
3740 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3742 * invoke.texi: Restore documentation of the drivers' switches -MD
3745 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3747 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3749 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3750 check-objc//%): Support parallel testing of multilibs.
3751 (TESTSUITEDIR): Set to testsuite by default, but override for
3753 (check-gcc, check-g++, check-g77, check-objc): Enter
3756 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3758 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3759 * sched-deps.c (deps_may_trap_p): Likewise.
3760 * basic-block.h: Remove a comment.
3761 * flow.c (PROP_POSTRELOAD): Remove.
3762 (update_life_info): Don't add it to prop_flags.
3763 (mark_set_1): Lose the code that was enabled by it.
3765 2001-01-11 Michael Hayes <mhayes@redhat.com>
3767 * flow.c (flow_call_edges_add): New.
3768 * basic_block.h (flow_call_edges_add): New.
3770 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3772 * reload1.c (move2add_note_store): Update reg_set_luid even if
3773 base reg remains the same.
3775 2001-01-10 Nick Clifton <nickc@redhat.com>
3777 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3778 machine_function structure to zero.
3779 Add prototypes for machine_status functions.
3781 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3783 * c-common.h (CTI_VOID_LIST): Remove.
3784 (void_list_node): Likewise.
3785 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3786 (void_list_node): New macro.
3787 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3788 * config/i386/i386.c (ix86_init_builtins): Likewise.
3789 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3791 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3793 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3794 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3796 * tradcpp.c: Include mkdeps.h.
3797 (deps, print_deps_phony_targets, deps_append, output_deps,
3798 init_dependency_output, output_deps): New.
3799 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3800 deps_output): Delete.
3801 (print_deps_missing_files): Rename deps_missing_files.
3802 (inhibit_output): Make global.
3803 (main): Delete inhibit_output, deps_stream, deps_target.
3804 Use mkdeps functionality in the same way as cpplib. Remove
3805 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3806 -M and -MM. Remove old handling of deps via deps_out, and
3807 old reading of environment variables.
3808 (get_filename): Update to use deps_add_dep.
3810 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3812 * output.h (make_function_rtl): Remove prototype.
3813 (make_decl_rtl): Likewise.
3814 * varasm.c (make_function_rtl): Remove.
3815 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3816 than from a third parameter.
3817 * tree.h (make_decl_rtl): Remove last parameter.
3818 * c-decl.c (builtin_function): Remove last argument in call to
3819 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3820 (start_function): Likewise.
3821 * except.c (call_get_eh_context): Likewise.
3822 * expr.c (emit_block_move): Likewise.
3823 (clear_storage): Likewise.
3824 * profile.c (output_func_start_profiler): Likewise.
3825 * toplev.c (rest_of_decl_compilation): Likewise.
3826 * objc/objc-act.c (create_builtin_decl): Likewise.
3827 (synth_module_prologue): Likewise.
3828 (generate_static_reference): Likewise.
3829 (build_selector_reference_decl): Likewise.
3830 (build_class_reference_decl): Likewise.
3831 (build_objc_string_decl): Likewise.
3832 (build_protocol_reference): Likewise.
3834 2001-01-10 Richard Henderson <rth@redhat.com>
3836 * hwint.h: Revert yesterday's change.
3838 2001-01-10 Nick Clifton <nickc@redhat.com>
3840 * function.h (save_machine_status): Delete.
3841 (restore_machine_status): Delete.
3842 Amend comment describing {init|mark|free}_machine_status.
3844 * function.c (save_machine_status): Delete.
3845 (restore_machine_status): Delete.
3846 Amend comment describing {init|mark|free}_machine_status.
3847 (push_function_context_to): Remove invocation of
3848 save_machine_status.
3849 (pop_function_context_from): Remove invocation of
3850 restore_machine_status.
3852 * emit-rtl.c (init_emit_once): Amend comment describing
3853 {init|mark|free}_machine_status.
3855 * tm.texi (Per-Function Data): New node. Describe the
3856 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3859 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3861 * cppinit.c (OPT_g): Remove.
3862 (cpp_handle_option): Update for removed -g3.
3863 (print_help): Update.
3864 * cpplib.h (struct cpp_options): Remove debug_output.
3865 * cppmain.c (setup_callbacks, cb_define): Update.
3866 * gcc.c (cpp_options): Translate -g3 to -dD.
3868 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3870 * config/i960/i960.md: Change modifier to + on the zero_extract
3871 pattern after the (rotate -2 reg) canonicalization pattern.
3873 2001-01-10 Richard Henderson <rth@redhat.com>
3875 * config/alpha/alpha.c (alpha_free_machine_status): New.
3876 (override_options): Install it.
3877 (alpha_mark_machine_status): Verify machine non-null.
3878 * config/i386/i386.c (ix86_free_machine_status): New.
3879 (override_options): Install it.
3880 (ix86_init_machine_status): Use xcalloc.
3881 (ix86_mark_machine_status): Verify machine non-null.
3882 * config/ia64/ia64.c (ia64_free_machine_status): New.
3883 (ia64_override_options): Install it.
3884 (ia64_mark_machine_status): Verify machine non-null.
3886 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3888 * function.c (instantiate_virtual_regs): Instantiate virtual
3889 registers found in CALL_INSN_FUNCTION_USAGE.
3891 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3893 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3894 equivalent to -ansi in disabling -Di386.
3896 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3898 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3900 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3902 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3904 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3906 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3908 * invoke.texi: Document that -fcond-mismatch isn't supported for
3911 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3913 * gcc.texi: Define macro gcctabopt.
3914 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3915 @command, @env and @option in some places where appropriate. Use
3916 @gcctabopt where appropriate. Put URLs and email addresses inside
3919 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3921 * gcc.c (cpp_options): Set MD file name from output
3922 filename, if specified.
3923 (suffix_subst): New static variable.
3924 (do_spec): Clear it.
3925 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3927 (give_switch): Handle suffix_subst.
3929 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3931 * invoke.texi: Fix another typo.
3933 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3935 * invoke.texi: Fix typo.
3937 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3939 * c-lang.c (lang_hooks): Update.
3940 (lang_decode_option): Remove.
3941 (lang_init_options): Rename c_init_options.
3942 * toplev.c (main): Use lang_hooks for lang_init_options
3943 and lang_decode_option.
3944 * toplev.h (lang_hooks): Add 2 new hooks.
3945 * tree.h: Remove lang_init_options and lang_decode_option.
3946 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3947 * cp/decl2.c: Similarly.
3948 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3949 (lang_hooks): Update.
3950 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3952 (lang_init_options): Rename ffe_init_options.
3953 (lang_hooks): Update.
3954 (lang_decode_option): Remove.
3955 * java/lang.c (lang_init_options): Rename java_init_options.
3956 (lang_decode_option): Rename java_decode_option.
3957 (lang_hooks): Update.
3958 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3959 (lang_decode_option): Rename objc_decode_option.
3960 (lang_hooks): Update.
3962 2001-01-09 Nick Clifton <nickc@redhat.com>
3964 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3965 (d30v_return_addr_rtx): Delete.
3966 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3967 cfun->machine structure.
3968 (struct machine_function): Move to d30v.h
3969 (d30v_save_machine_status): Delete.
3970 (d30v_restore_machine_status): Delete.
3971 (d30v_init_machine_status): New Function.
3972 (d30v_mark_machine_status): New Function.
3973 (d30v_free_machine_status): New Function.
3974 (d30v_init_expanders): Use new functions.
3975 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3976 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3977 d30v_return_addr_rtx.
3979 * config/d30v/d30v.h (struct_machine): Move here.
3980 Add eh_epilogue_sp_ofs field.
3982 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3983 field in cfun->machine structure.
3985 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3987 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3988 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3989 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3991 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3993 * objc/lang-options.h: Remove bogus reference to
3996 2001-01-09 Kazu Hirata <kazu@hxi.com>
3998 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4001 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4003 * reload.c (find_reloads_address): Check for eliminable registers
4004 when substituting a constant expression for a pseudo.
4006 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4008 * c-common.c (enum format_type): Add format_type_error.
4009 (decode_format_type): New function.
4010 (decl_attributes): Use it.
4011 (format_kind_info): Adjust comment.
4013 2001-01-09 David O'Brien <obrien@BSDi.com>
4015 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4016 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4018 * config/i386/gnu.h: Don't include required platform specific .h files,
4019 tm.h will do it instead.
4020 * config/i386/i386elf.h: Likewise.
4021 * config/i386/linux.h: Likewise.
4022 * config/i386/moss.h: Likewise.
4023 * config/mips/gnu.h: Likewise.
4025 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4027 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4028 (rs6000-ibm-aix3.[01]*): Likewise.
4029 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4030 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4031 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4032 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4033 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4034 (powerpc-*-eabiaix*): Likewise.
4035 (powerpc-*-eabisim*): Likewise.
4036 (powerpc-*-elf*): Likewise.
4037 (powerpc-*-eabi*): Likewise.
4038 (powerpc-*-rtems*): Likewise.
4039 (powerpc-*-linux*libc1): Likewise.
4040 (powerpc-*-linux*): Likewise.
4041 (powerpc-wrs-vxworks*): Likewise.
4042 (powerpcle-wrs-vxworks*): Likewise.
4043 (powerpcle-*-sysv*): Likewise.
4044 (powerpcle-*-elf*): Likewise.
4045 (powerpcle-*-eabisim*): Likewise.
4046 (powerpcle-*-eabi*): Likewise.
4047 (powerpcle-*-solaris2*): Likewise.
4048 * config/rs6000/aix31.h: Delete includes.
4049 * config/rs6000/aix3newas.h: Likewise.
4050 * config/rs6000/aix41.h: Likewise.
4051 * config/rs6000/aix43.h: Likewise.
4052 * config/rs6000/beos.h: Likewise.
4053 * config/rs6000/rtems.h: Likewise.
4054 * config/rs6000/sysv4.h: Likewise.
4056 2001-01-09 Kazu Hirata <kazu@hxi.com>
4058 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4059 Change an argument mode of machine_mode to shift_mode of
4060 shift_mode. Remove an extra error check.
4061 (emit_a_shift): Adopt to the new calling prototype of
4063 (function_prologue): Fix code for a monitor
4064 function. Support H8/S.
4065 (function_epilogue): Do not output pop for a monitor function.
4067 2001-01-09 Nick Clifton <nickc@redhat.com>
4069 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4070 (setup_incoming_varargs): Use sysv_varargs_p field of the
4071 cfun->machine structure.
4072 (struct machine_function): Move to rs6000.h
4073 (rs6000_save_machine_status): Delete.
4074 (rs6000_restore_machine_status): Delete.
4075 (rs6000_init_machine_status): New Function.
4076 (rs6000_free_machine_status): New Function.
4077 (rs6000_init_expanders): Use new functions.
4079 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4081 (struct machine_function): Move here.
4083 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4084 sysv_varargs_p field of the cfun->machine structure.
4086 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4088 (rs6000_restore_machine_status): Remove prototype.
4090 2001-01-09 Richard Henderson <rth@redhat.com>
4092 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4093 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4094 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4095 (sched_analyze_2, sched_analyze_insn): Likewise.
4096 (sched_analyze, init_deps): Likewise.
4097 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4098 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4099 (compute_block_backward_dependences): Update propagate_deps call.
4101 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4103 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4105 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4107 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4108 (cpp_handle_option): Handle them.
4109 (cpp_post_options): Ensure one of -M or -MM is specified with
4110 any other -M? option.
4111 (init_dependency_output): Suppress output with -MG.
4113 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4116 * invoke.texi: Update.
4118 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4120 * sh.md (reload_outsf): Generate recognizable patterns for
4123 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4125 * c-lang.c (lang_hooks): Update.
4126 (lang_init): Rename c_init.
4127 (lang_finish): Remove.
4128 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4130 * toplev.h (lang_hooks): Add init () and finish ().
4131 * tree.h (lang_init, lang_finish): Remove.
4132 * cp/tree.h (lang_init, lang_finish): Remove.
4133 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4134 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4136 (lang_init, lang_finish): Remove.
4137 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4138 (lang_hooks): Update.
4139 * java/lang.c (lang_init): Rename java_init.
4140 (lang_finish): Remove.
4141 (lang_hooks): Update.
4142 * objc/objc-act.c (lang_init): Rename objc_init.
4143 (lang_finish): Remove.
4144 (lang_hoooks): Update.
4146 20001-01-09 Graham Stott <grahams@redhat.com>
4148 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4149 after `ptr` is initialised.
4151 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4153 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4154 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4155 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4156 stack adjusts, instead of r3.
4158 2001-01-09 Michael Hayes <mhayes@redhat.com>
4160 * flow.c (flow_loop_scan): Break out of ...
4161 (flow_loops_find) ... here.
4162 * basic-block.h (flow_loop_scan): New.
4163 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4164 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4166 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4168 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4170 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4171 realloc()ing macro_buffer.
4173 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4174 if it's wider than long and the target's long is wider than the
4177 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4179 Remove support for using UWIN as a host machine.
4180 * configure.in: Issue an error message.
4181 * configure: Regenerated.
4182 * config.gcc: Remove xm_* UWIN configury.
4183 * config/i386/xm-uwin.h: Remove.
4185 2001-01-08 Nick Clifton <nickc@redhat.com>
4187 * config/v850/v850.c (ra_rtx): Delete.
4188 (v850_save_machine_status): Delete.
4189 (v850_restore_machine_status): Delete.
4190 (v850_init_machine_status): New function.
4191 (v850_mark_machine_status): New function.
4192 (v850_free_machine_status): New function.
4193 (v850_return_addr): Use ra_rtx field in machine structure.
4194 (v850_init_expanders): Use new functions.
4196 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4197 * config/v850/v850.c: Change arguments to v850_output+* functions
4198 to take a const char *, to avoid compile time warning.
4199 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4200 (USER_LABEL_PREFIX): Redefine.
4202 2000-01-08 Jim Wilson <wilson@redhat.com>
4204 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4205 1 to unsigned HOST_WIDE_INT before left shift.
4207 2001-01-08 Nick Clifton <nickc@redhat.com>
4209 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4210 the machine structure has been allocated.
4211 (arm_free_machine_status): New function: Free the machine
4212 specific function structure.
4214 2001-01-08 Richard Henderson <rth@redhat.com>
4216 * jump.c (simplejump_p): Revert last change.
4218 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4220 * cppinit.c (init): Rename init_library.
4221 (cpp_create_reader): Update.
4222 * gcc.c (cpp_options): If -o given, use it as the target of
4225 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4227 * arm.c (arm_arch5e): New variable.
4228 (all_cores): XScale is a 5TE device.
4229 (arm_override_options): Set arm_arch5e.
4230 (arm_init_builtins): __builtin_prefetch is in arch5e.
4231 * arm.h (arm_arch5e): Declare it.
4233 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4235 * arm.md (define_constants): Add defines for UNSPEC and
4236 UNSPEC_VOLATILE insns. Update all users.
4237 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4238 * arm.c (multi_register_push, note_invalid_constants)
4239 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4240 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4241 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4243 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4245 * jump.c (jump_optimize_1): Use reversed_comparison_code
4246 instead of can_reverse_comparison_p.
4247 (jump_back_p): Likewise.
4248 (invert_exp_1): Likewise.
4249 (thread_jumps): Likewise.
4250 * simplify-rtx.c (simplify_unary_operation): Likewise.
4251 (simplify_ternary_operation): Likewise.
4252 * cse.c (find_comparison_args): Convert to use
4253 can_reverse_comparison_p.
4254 (record_jump_equiv): Likewise.
4256 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4258 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4259 (EPILOGUE_USES): Define.
4260 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4261 automatically stack the LR if it isn't live.
4263 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4265 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4268 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4270 * ggc-page.c (max_alignment): New structure.
4271 (MAX_ALIGNMENT): New macro.
4272 (init_ggc): Use it to round up the sizes in the
4273 extra_order_size_table.
4275 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4277 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4280 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4282 * builtins.def (BUILT_IN_FPRINTF): New entry.
4284 * c-common.c (c_expand_builtin_fprintf): New function.
4285 (init_function_format_info): Handle __builtin_fprintf.
4286 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4287 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4289 * c-decl.c (duplicate_decls): Adjust comment.
4291 * extend.texi (fprintf): Document new builtin.
4293 2001-01-07 Richard Henderson <rth@redhat.com>
4295 * jump.c (simplejump_p): Recognize any single_set jump
4298 2001-01-07 Richard Henderson <rth@redhat.com>
4300 * configure.in (slibdir): Accept an --with-slibdir option.
4301 Use "test" not "[" in configure. Default to $(libdir).
4303 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4305 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4306 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4307 (SHLIB_LINK): Create links for the soname.
4308 * config/mips/t-iris6: Likewise.
4309 * config/sparc/t-slibgcc: Likewise.
4310 * config/sparc/t-slibgcc-sld: Likewise.
4312 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4314 * config/i386/i386.c (constant_call_address_operand): Accept
4315 (const (plus (symbol_ref) (const_int))).
4316 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4317 constant_call_address_operand.
4319 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4321 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4322 and LONG_LONG_TYPE_SIZE > 32.
4324 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4326 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4327 the previous change.
4329 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4331 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4333 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4334 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4335 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4338 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4340 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4342 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4344 * c-lang.c (c_post_options): Call cpp_post_options.
4345 * objc/objc-act.c (objc_post_options): Similarly.
4346 * cppmain.c (main): Similarly.
4347 * fix-header.c (read_scan_file): Similarly.
4348 * cppinit.c (cpp_start_read): Move option consistency checks
4349 to cpp_post_options. Don't call init_dependency_output.
4350 If needed, add default target and main file dependency.
4351 (OPT_MD, OPT_MMD): Remove.
4353 (cpp_handle_option): Update for OPT_* changes.
4354 (cpp_post_options): New.
4355 (init_dependency_output): Command line -MF overrides environment
4356 variables. Don't set default target etc. Suppress output
4357 if dependencies are going to stdout.
4358 (print_help): Update.
4359 * cpplib.h (cpp_post_options): New.
4360 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4362 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4364 * jump.c (comparison_dominates_p): Support unordered compares.
4366 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4368 * simplify-rtx.c (simplify_relational_operation): Always simplify
4369 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4372 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4374 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4375 (nonzero_bits): Likewise.
4376 (simplify_comparison): Likewise.
4377 (num_sign_bit_copies): Likewise; return more sane value depending
4378 on STORE_FLAG_VALUE.
4379 (known_cond): Do not assume EQ to be always true for equivalent
4382 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4384 * cse.c (fold_rtx): Handle unordered comparisons.
4386 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4388 * rtlanal.c (set_of_1): New static function.
4389 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4390 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4391 reg_set_last_last_regno): Remove.
4392 (set_of): New global function.
4393 (set_of_data): New structure.
4394 (reg_set_p, reg_set_last): Revamp for set_of.
4395 * rtl.h (set_of): New.
4397 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4399 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4400 * extend.texi: Document _Exit builtin.
4402 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4404 * (initialize, initialize_builtins,
4405 initialize_dependency_output, initialize_standard_includes):
4406 Rename s/initialize/init. Update.
4407 (init_dependency_output): Move to after
4408 cpp_handle_options, the correct location temporally at least.
4409 (opt_comp): Move next to init (), its caller. Fix prototype.
4410 (init): Make "initialized" local scope.
4411 (cpp_create_reader): Always call init ().
4412 (cpp_start_read): Update.
4413 (output_deps): New function, broken out of cpp_finish.
4414 (cpp_finish): Break out output_deps.
4416 2001-01-07 Richard Henderson <rth@redhat.com>
4418 * collect2.c (COFF specific stuff): Revert 12-06 patch
4419 to prototype system functions.
4421 2001-01-07 Michael Hayes <mhayes@redhat.com>
4423 * hard-reg-set.h: Add multiple include guard.
4424 * basic-block.h (struct loop): Add `sink' field.
4425 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4426 (emit_iv_add_mult): Delete.
4427 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4428 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4429 (unroll_loop): Remove end_insert_before argument.
4430 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4431 (maybe_eliminate_biv_1): Likewise.
4432 (emit_iv_add_mult): Delete.
4433 (gen_add_mult, loop_regs_update): New.
4434 (loop_insn_emit_after, loop_insn_emit_before): New.
4435 (loop_insn_sink, loop_insn_sink_or_swim): New.
4436 (emit_iv_add_mult): Delete.
4437 (scan_loop): Set loop->sink.
4438 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4439 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4440 (maybe_eliminate_biv_1): Likewise.
4441 (maybe_eliminate_biv_1): Add basic block argument.
4442 * unroll.c (unroll_loop): Remove end_insert_before argument.
4443 (find_splittable_regs): Likewise.
4444 (find_splittable_regs): Use loop_insn_sink and its ilk.
4445 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4447 2001-01-07 Michael Hayes <mhayes@redhat.com>
4449 * loop.h (loop_insn_hoist): New prototype.
4450 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4451 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4452 (check_dbra_loop, load_mems): Likewise.
4453 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4454 (find_splittable_givs): Likewise.
4456 2001-01-07 Michael Hayes <mhayes@redhat.com>
4458 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4460 2001-01-07 Richard Henderson <rth@redhat.com>
4462 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4464 2001-01-07 Richard Henderson <rth@redhat.com>
4466 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4467 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4468 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4469 variant that handles a shared libgcc.
4470 (process_command): Always validate -{static,shared}-libgcc.
4471 (do_spec_1): New 'M' case.
4472 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4474 2001-01-07 Richard Henderson <rth@redhat.com>
4476 * Makefile.in (slibdir): New variable.
4477 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4478 (installdirs): Create slibdir.
4479 (install-libgcc, install-multilib): Defer to libgcc.mk.
4480 * configure.in (slibdir): Substitute.
4481 * mklibgcc.in (install): New target.
4483 * config/t-linux (SHLIB_LINK): Create links for the soname.
4484 (SHLIB_INSTALL): New.
4485 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4486 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4487 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4488 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4489 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4491 2001-01-07 Richard Henderson <rth@redhat.com>
4493 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4494 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4495 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4497 2001-01-07 Michael Hayes <mhayes@redhat.com>
4499 * loop.c (count_loop_regs_set): Delete.
4500 (load_mems_and_recount_loop_regs_set): Delete.
4501 (loop_regs_scan): Merge common code from count_loop_regs_set,
4502 scan_loop, and load_mems_and_recount_loop_regs_set.
4503 (scan_loop): Call load_mems directly and loop_regs_scan
4504 again if new registers created.
4506 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4508 * toplev.c (main): Call the front-end specific post_options
4509 hook if one is given.
4510 * toplev.h (struct_lang_hooks, lang_hooks): New.
4511 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4512 for the C front end.
4513 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4514 lang_hooks for the C++ front end.
4515 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4516 lang_hooks for the ObjC front end.
4517 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4518 * java/lang.c (lang_hooks): Hooks for the Java front end.
4520 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4522 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4523 for verbose DWARF[2] debugging.
4524 (cb_define, cb_undef): The new callbacks.
4525 * toplev.h (debug_define, debug_undef): Make const correct.
4526 * toplev.c (debug_define, debug_undef): Similarly. Do not
4527 perform the verbosity tests here anymore.
4529 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4531 * reload.c (subst_reloads): Take INSN argument. When
4532 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4533 * reload.h (subst_reloads): Adjust prototype.
4534 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4535 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4536 present in JUMP_INSNs and copy them to JUMP_LABEL.
4537 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4538 JUMP_INSNs and insns with REG_LABELs that are followed by
4539 JUMP_INSNs with the same REG_LABEL.
4540 * sched-rgn.c (is_cfg_nonregular): Likewise.
4541 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4543 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4545 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4547 2001-01-06 Richard Henderson <rth@redhat.com>
4549 * loop.c (scan_loop): Use xcalloc for the regs array.
4550 (load_mems_and_recount_loop_regs_set): Zero the new memory
4551 received from xrealloc.
4553 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4555 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4557 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4559 * integrate.c (copy_rtx_and_substitute): When copying
4560 an ignored return value, strip REG_FUNCTION_VALUE_P.
4562 2001-01-06 Michael Hayes <mhayes@redhat.com>
4564 * loop.c (debug_biv, debug_giv): New.
4565 (loop_biv_dump): Break out from ...
4566 (record_biv): ... here.
4567 (loop_giv_dump): Break out from ...
4568 (record_giv): ... here.
4569 (loop_bivs_check): Use print_simple_rtl.
4570 * unroll.c (loop_iterations): Use print_simple_rtl.
4572 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4574 * pa.md (return, return_internal): Modify patterns to prevent regrename
4575 mucking with the return pointer.
4577 2001-01-05 Richard Henderson <rth@redhat.com>
4579 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4581 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4583 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4584 version supplied by Matteo Frigo.
4586 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4588 * cpp.texi: Update for -MQ.
4589 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4590 (cpp_cleanup): Always free pfile->deps.
4591 (initialize_dependency_output): Don't create pfile->deps.
4592 (cpp_handle_option): Similarly.
4594 * gcc.c (cpp_options): Handle -MQ.
4595 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4596 * mkdeps.c (base_name): Remove.
4597 (deps_init): Don't allocate vector space until it's needed.
4598 (deps_free): Only free vectors if allocated.
4599 (deps_add_target, deps_add_dep): Update for initial allocation.
4600 (deps_add_default_target): Don't strip to the base_name.
4602 2001-01-05 DJ Delorie <dj@redhat.com>
4604 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4605 (INIT_EXPANDERS): Define.
4607 * config/v850/v850.c (struct machine_function): Define.
4608 (v850_save_machine_status): New function.
4609 (v850_restore_machine_status): New function.
4610 (v850_return_addr): New function.
4611 (v850_init_expanders): New function.
4613 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4614 and v850_init_expanders.
4616 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4618 * cpplib.h (struct cpp_reader): Add help_only field.
4619 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4620 (cpp_handle_option): Set pfile->help_only if we see -h,
4621 --help, -target-help, or --version. Print version string but
4622 do not set help_only if we see -v or -version. Make text
4623 printed by -v match that printed by (-)-version.
4625 * cppmain.c (main): Exit after option parsing if
4626 pfile->help_only is true.
4628 * toplev.c (independent_decode_option): Call print_version,
4629 then exit, if we see --version (but not -version).
4630 (print_version): Split lengthy message into two lines.
4632 2001-01-05 Nick Clifton <nickc@redhat.com>
4634 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4635 temporary string for initialisation before calling ggc_alloc_string.
4637 2001-01-06 Michael Hayes <mhayes@redhat.com>
4639 * rtl.h (print_simple_rtl): New.
4640 * print-rtl.c (print_simple_rtl): New.
4642 (print_rtx): Disable printing of flags and modes, etc.,
4643 if `flag_simple` nonzero.
4645 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4647 * function.c (fixup_var_refs): Use push_to_full_sequence where
4650 2001-01-05 Michael Meissner <meissner@redhat.com>
4652 * flags.h (flag_reorder_blocks): Add declaration.
4653 (flag_rename_block): Ditto.
4655 2001-01-05 DJ Delorie <dj@redhat.com>
4657 * function.c (reorder_blocks): Make sure the flags are all reset
4658 before using them to mark blocks, else a second invocation will
4659 corrupt the block chain.
4660 (reorder_blocks_0): New, resets the flags.
4662 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4664 * cse.c (find_comparison_args): Stop if the argument is known to
4667 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4669 * config/sh/sh.md (movdf): When splitting load into pair of
4670 registers, don't clobber the register used in the address too
4673 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4675 * varasm.c (mark_constant_pool): Improve initial comments.
4676 (mark_constants): Move marking of constants to mark_constant.
4677 (mark_constant): New function to recursively mark all constants
4678 referred to by a constant.
4680 2001-01-05 Catherine Moore <clm@redhat.com>
4682 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4684 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4686 * cp/lang-options.h: Bring comment in line with reality.
4687 * f/lang-options.h: Likewise.
4688 * java/lang-options.h: Likewise.
4689 * objc/lang-options.h: Likewise.
4690 * ch/lang-options.h: Likewise.
4691 * f/g77.texi: And update the manual.
4693 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4694 Denis Chertykov <denisc@overta.ru>
4696 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4697 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4698 * config/avr/avr.md (all peepholes that request a scratch register):
4699 Call it, FAIL the peephole if not safe (in interrupt functions).
4701 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4703 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4705 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4707 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4709 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4710 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4711 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4712 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4713 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4715 * extend.texi: Document these builtins.
4717 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4719 * c-common.c (lang_get_alias_set): Say we know nothing of
4720 VECTOR_TYPE aliasing.
4722 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4724 2001-01-05 Bruce Korb <bkorb@gnu.org>
4726 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4727 their x* equivalent versions for atexit-less systems
4728 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4729 systems (or any other system any more).
4731 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4733 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4734 output operands. Use arm_hard_register_operand for operand 4.
4735 (stmsi_postinc): Similarly.
4736 (ldmsi): Use arm_hard_register_operand for opernand 2.
4738 * arm.c (arm_hard_register_operand): New function.
4739 * arm-protos.h (arm_hard_register_operand): Prototype it.
4741 * arm.h (HARD_REGNO_RENAME_OK): Define.
4743 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4745 * simplify-rtx.c (cfc_args): add "unordered" field.
4746 (check_fold_consts): Set unordered field.
4747 (simplify_relational_operation): Simplify the unordered
4750 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4753 * emit-rtl.c (try_split): Fix code to mark labels.
4754 * jump.c (mark_jump_label): Make global.
4755 * rtl.h (mark_jump_label): Declare.
4757 * predict.c (estimate_probability): Handle unordred comparisons.
4759 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4761 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4762 * cppinit.c (initialize_dependency_output): Update.
4763 (cpp_finish): Output dummy targets for -MP.
4765 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4766 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4767 * gcc.c (cpp_options): Update to handle -MP.
4768 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4769 to quote only the default target.
4770 (deps_phony_targets): Insert a preceding newline. Rename from
4771 deps_dummy_targets for consistency.
4774 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4776 * calls.c (emit_library_call_value_1): Support
4777 INIT_CUMULATIVE_LIBCALL_ARGS.
4778 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4780 2001-01-04 Richard Henderson <rth@redhat.com>
4782 * c-decl.c (finish_struct): Detect flexible array members
4783 used in an inappropriate context.
4784 * c-typeck.c (really_start_incremental_init): Special case
4785 constructor_max_index for zero length arrays.
4786 (pop_init_level): Allow initialization of flexible array
4787 members. Deprecate initialization of zero length arrays.
4788 Don't issue missing initializer warning for flexible array
4789 members or zero length arrays.
4790 (process_init_element): Don't dereference null DECL_SIZE.
4791 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4792 Don't abort for empty constructors. Use size_binop
4793 (output_constructor): Add commentary regarding zero length
4794 array futures. Abort if we try to initialize an array of
4795 unspecified length with a non-empty constructor in the middle
4798 * extend.texi (Zero Length): Update and clarify documentation
4799 on static initialization.
4801 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4803 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4804 with more than 32767 words of local storage.
4806 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4808 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4809 for 'abs', 'labs', and 'fabs'.
4810 (c4x_expand_builtin): Likewise.
4811 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4813 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4815 * config/sh/sh.md (prget, prset): New insn types.
4816 (return delay slot): Dont' allow prset.
4817 (call, sfunc delay slot): Don't allow prget.
4818 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4819 for prset and prget.
4821 2001-01-05 Michael Hayes <mhayes@redhat.com>
4823 * loop.h (struct loop_reg): New.
4824 (struct loop_regs): Change to use array of `struct loop_reg'.
4825 * loop.c: Replace assortment of varrays with single regs array.
4826 (count_one_set): Delete may_not_move array argument
4827 and use regs array instead. All caller's changed.
4828 (count_loop_regs_set): Delete may_not_move and single_usage
4829 arguments and use regs array instead. All caller's changed.
4830 (find_single_use_in_loop): Replace usage array argument with pointer
4831 to regs structure. All caller's changed.
4832 (loop_optimize): Delete `moved_once' array.
4834 2001-01-05 Michael Hayes <mhayes@redhat.com>
4836 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4837 Use it instead of loop_info->has_call for scanning loop mems.
4838 (check_dbra_loop): Replace loop_info->has_call test with
4839 loop_info->has_nonconst_call.
4841 2000-01-04 Matthew Hiller <hiller@redhat.com>
4843 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4846 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4848 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4849 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4851 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4853 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4854 (flag_short_double, flag_short_wchar): Define.
4855 (c_common_nodes_and_builtins): Create many tree nodes shared
4856 between C and C++ here instead of in cp/decl.c and ...
4857 * c-decl.c (init_decl_processing): ... here.
4858 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4859 (flag_short_double, flag_short_wchar): Don't define.
4860 (record_builtin_type): New function.
4861 (build_void_list_node): New function.
4862 * c-common.h (flag_short_double, flag_short_wchar,
4863 record_builtin_type, build_void_list_node): Declare.
4865 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4867 * integrate.c (expand_inline_function): Don't put a virtual
4868 register into the reg map.
4870 * function.c (fixup_var_refs_1): If force_operand didn't put
4871 the address into the target, move it there.
4873 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4875 Special-case tree_decl/tree_list allocations.
4876 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4877 (OBJECT_SIZE): New macro.
4878 (NUM_EXTRA_ORDER): Likewise.
4879 (extra_order_size_table): New variable.
4880 (NUM_ORDERS): New macro.
4881 (objects_per_page_table): New variable.
4882 (object_size_table): New variable.
4883 (G.pages): Use NUM_ORDERS to bound the array.
4884 (G.page_tails): Likewise.
4885 (DIV_ROUND_UP): Remove.
4886 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4887 (alloc_page): Use OBJECT_SIZE.
4888 (size_lookup): Don't make it const.
4889 (ggc_alloc): Use OBJECT_SIZE.
4890 (ggc_set_mark): Likewise.
4891 (ggc_get_size): Likewise.
4892 (init_ggc): Set up the object_size_table, objects_per_page_table,
4893 and adjust size_lookup.
4894 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4895 (ggc_pop_context): Use NUM_ORDERS.
4896 (clear_marks): Likewise.
4897 (sweep_pages): Likewise.
4898 (poison_pages): Likewise.
4899 (ggc_print_statistics): Use OBJECT_SIZE.
4901 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4903 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4904 Only call array_size_for_constructor if last field and array type
4905 with no upper bound.
4907 2001-01-04 Philip Blundell <philb@gnu.org>
4909 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4910 from bit 31 downwards, if this requires no more insns.
4911 (count_insns_for_constant): New helper function for above.
4913 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4915 * gencodes.c (output_predicate_decls): Remove empty initializer.
4917 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4919 * tree.c (copy_node): Remove documentation about obstacks.
4920 (buidl1): Check that nobody tries to build 2-argument nodes this
4923 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4925 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4928 * gencodes.c (output_predicate_decls): Fill empty initializer
4931 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4933 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4934 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4936 (do_include): Handle missing headers like cpp0.
4937 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4938 paths with first include pathname. Don't strcat to uninitialized
4941 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4943 * regrename.c (regrename_optimize): Don't rename from frame pointer
4944 if frame_pointer_needed.
4945 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4946 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4947 (ia64_reorg): Use it instead of scheduling if ! optimize.
4948 (errata_emit_nops): Properly call asm_noperands.
4949 (ia64_sched_reorder): Finish cycle if we see an asm.
4950 (ia64_variable_issue): Clear scheduling state after asms.
4952 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4954 * cpp.texi: Update for -MT.
4955 * cppinit.c (initialize_dependency_output): Add a default
4956 target if none has been given already.
4957 (no_tgt, OPT_MT): New.
4958 (cpp_handle_option): Handle -MT. Update -M etc.
4959 * cpplib.h (struct cpp_options): Remove deps_target.
4960 * gcc.c (cpp_options): Handle -MT.
4961 * mkdeps.c (struct deps): Move from mkdeps.h.
4962 (deps_calc_target): Rename deps_add_default_target. Add a
4963 default target if none has been specified already.
4964 * mkdeps.h (struct deps): Move to mkdeps.c.
4965 (deps_calc_target): Rename deps_add_default_target.
4967 2000-01-03 Richard Henderson <rth@redhat.com>
4969 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4971 * c-typeck.c (push_init_level): Move checks for flexible array
4972 members and zero length arrays ...
4973 (pop_init_level): ... here. Silently discard empty initializations.
4975 * varasm.c (output_constructor): Update for sizeof change to
4978 * extend.texi (Zero Length): Clarify semantics.
4980 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4982 * configure.in (tm.h): Include isns-codes.h last.
4983 * configure: Rebuilt.
4985 2001-01-03 Richard Henderson <rth@redhat.com>
4987 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4988 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4990 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4992 * tradcpp.c (main): Make sure finclude() is called with a valid
4993 indepth value while handling -include.
4995 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4997 * gencodes.c (output_predicate_decls): New function.
4999 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5000 even if it is not the first time machmode.h is #included.
5001 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5002 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5003 * gcc.texi (Copyright): Added 2001.
5005 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5007 * c-common.c (c_common_lang_init): New function. Warn if format
5008 warning options which only have effects when used with -Wformat
5009 are used without -Wformat.
5010 * c-common.h (c_common_lang_init): Declare.
5011 * c-lang.c (lang_init): Call c_common_lang_init.
5012 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5014 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5016 * configure.in: Check for the mktemp command.
5017 * configure: Regenerate.
5018 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5019 $TEMP. Create temporary files with mktemp, if available at
5020 configure time; otherwise use set -C. Remove temporary files
5023 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5025 * configure.in: Require at least texinfo 4.0. Check for whether
5026 Pod::Man is sufficiently recent to regenerate GCC manpages.
5027 * configure: Regenerate.
5028 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5030 (GENERATED_MANPAGES): Define.
5031 (generated-manpages): New target. Depend on cpp.1 as well as
5033 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5034 configure to generated-manpages or empty) rather than on the
5035 manpages directly. Remove execute permission from installed
5036 gcov.1 as well as cpp.1.
5037 * cpp.1, gcov.1: Regenerate.
5039 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5041 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5042 tree_low_cst. Allow using cmpstrsi in more cases.
5044 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5046 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5049 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5051 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5052 * Makefile.in (HOST_CFLAGS): Mention build-make.
5054 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5056 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5059 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5061 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5064 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5067 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5068 reg_base_value and reg_known_value arrays.
5069 (init_alias_analysis): Add more cases to detect known values.
5070 * sched-deps.c (deps_may_trap_p): New function.
5071 (sched_analyze_2): Use it.
5073 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5075 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5076 don't discard an ASHIFTRT if we're shifting in a wider mode.
5078 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5080 * toplev.c (rest_of_compilation): Don't print basic block information
5081 when CFG isn't up to date.
5083 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5085 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5086 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5087 (UNALIGNED_SHORT_ASM_OP): Define.
5088 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5090 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5092 * fold-const.c (fold_convert): Fix typo.
5094 2001-01-02 Richard Henderson <rth@redhat.com>
5096 * c-common.h (ASM_INPUT_P): New.
5097 * c-parse.in (asm): Set it when needed.
5098 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5099 existance of an operand.
5101 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5103 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5104 (dwarf2out_frame_debug_expr): Likewise.
5105 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5107 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5109 * i386.c (ix86_split_to_parts): Return number of part required;
5111 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5113 (ix86_split_long_move): Use number of part returned
5114 by ix86_split_to_parts
5115 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5117 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5118 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5119 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5120 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5121 (ALIGN_MODE_128): Add TFmode.
5122 (IS_STACK_MODE): Likewise.
5123 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5124 (HARD_REGNO_OK): Support TFmodes.
5125 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5126 * i386.md (scheduler definitions): Use memory operand to determine
5127 fst/fld instructions; use mode attribute to determine real mode of
5129 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5130 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5132 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5134 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5136 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5138 * expr.c (store_constructor_field): Update ALIGN before calling
5141 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5143 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5146 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5148 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5151 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5153 * c-decl.c (start_function): Don't warn on third parameter to main.
5155 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5157 * tsystem.h: Define HAVE_DECL_GETOPT.
5159 2001-01-02 Philip Blundell <pb@futuretv.com>
5161 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5164 2001-01-02 Richard Henderson <rth@redhat.com>
5166 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5168 2001-01-02 Andreas Jaeger <aj@suse.de>
5170 * c-decl.c (c_decode_option): Remove support of
5173 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5174 (W_options): Add -Wmissing-noreturn here.
5176 * flow.c: Define lang_missing_noreturn_ok_p.
5177 (check_function_return_warnings): Use it.
5179 * c-common.h: Declare lang_missing_noreturn_ok_p.
5181 * c-lang.c (c_missing_noreturn_ok_p): New function.
5182 (lang_init): Set lang_missing_noreturn_ok_p.
5184 * invoke.texi (Warning Options): Document this.
5186 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5188 * extend.texi (C++ Extensions): New node for C++ attributes;
5189 describe init_priority and com_interface.
5190 * invoke.texi: Remove -finit-priority as it now has zero effect.
5191 * install.texi: Fix xref syntax.
5192 * md.texi: Likewise.
5194 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5196 * config.gcc (sparc64-wrs-vxworks*): New case.
5197 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5199 * config/sparc/sparc.c (sparc_override_options): Do support different
5200 pointer and architecture size.
5201 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5202 (POINTERS_EXTEND_UNSIGNED): Define.
5203 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5204 (FUNCTION_MODE): Define to be Pmode.
5205 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5207 * function.c (expand_function_end): Properly handle DECL_RESULT
5208 and copy when ptr_mode != Pmode.
5209 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5211 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5213 * c-common.c (c_common_nodes_and_builtins): Set prototype
5214 parameters for __builtin_fputs, __builtin_fputc and
5215 __builtin_fwrite. Don't declare plain fputc as a builtin.
5217 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5219 * loop.c (add_label_notes): Increment the label usage count when
5220 a note is added to an insn which refers to a CODE_LABEL.
5221 * gcse.c (add_label_notes): Likewise.
5223 2001-01-01 Andreas Jaeger <aj@suse.de>
5225 * loop.c (scan_loop): Use xmalloc to allocate movables.
5227 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5229 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5230 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5231 * reload1.c (REGISTER_MOVE_COST): Likewise.
5232 * regclass.c (REGISTER_MOVE_COST): Likewise.
5233 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5234 dimension. Adjust all users.
5235 (init_reg_sets_1): Iterate on all modes.
5236 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5237 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5238 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5239 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5240 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5241 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5242 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5243 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5244 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5245 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5246 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5247 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5248 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5249 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5250 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5251 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5252 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5253 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5254 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5255 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5256 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5257 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5258 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5259 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5260 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5261 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5262 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5264 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5266 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5267 arg VARIES_P. Call it with extra arg.
5268 (true_dependence): Likewise.
5269 * rtl.h (rtx_addr_can_trap_p): Declare.
5270 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5272 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5273 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5274 pic offset table register if it's zero. All callers changed.
5275 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5277 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5279 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5280 STRING_POOL_ADDRESS_P.
5282 * config/sparc/sparc.c (input_operand): Properly test for short op.
5284 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5285 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5286 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5287 * config/sparc/elf.h: No longer include sol2.h.
5288 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5289 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5291 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5293 2001-01-01 Michael Hayes <mhayes@redhat.com>
5295 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5296 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5297 (record_initial): Likewise.
5298 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5299 (remap_split_bivs): Likewise.
5301 2001-01-01 Michael Hayes <mhayes@redhat.com>
5303 * loop.c (loop_ivs_free): New function.
5304 (strength_reduce): Break out from...
5306 2001-01-01 Michael Hayes <mhayes@redhat.com>
5308 * loop.h (struct iv): New.
5309 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5310 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5311 'reg_biv_class' fields with 'regs' and 'n_regs'.
5312 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5313 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5314 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5316 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5318 * resource.c (mark_referenced_resources): Abort() before
5319 attempting to mark a pseudo register.
5320 (mark_set_resources): Likewise.
5322 2001-01-01 Michael Hayes <mhayes@redhat.com>
5324 * loop.h (REG_IV_CLASS): New accessor macro.
5325 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5326 * unroll.c (REG_IV_CLASS): Likewise.
5328 See ChangeLog.4 for earlier changes.