1 2001-03-02 Richard Henderson <rth@redhat.com>
3 * Makefile.in (OBJS): Add dwarf2asm.o.
4 * dwarf2asm.c, dwarf2asm.h: New files.
5 * dwarf2out.c (*): Use them.
6 (size_of_uleb128, size_of_sleb128): Remove.
7 (output_uleb128, output_sleb128): Remove.
8 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
9 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
10 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
11 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
12 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
13 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
14 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
15 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
16 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
17 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
18 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
19 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
20 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
21 (dwarf2out_frame_debug): Remove unused variables.
22 (output_loc_operands): Don't abort on 8 byte constants if
23 host integers are wide enough.
24 (output_symbolic_ref): Remove.
25 (size_of_die): Don't assume 4 byte host integers.
26 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
28 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
29 something stupid with HOST_WIDE_INT to long truncation.
30 [CONST_DOUBLE]: Likewise.
32 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
33 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
34 * config/arm/unknown-elf.h: Likewise.
35 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
36 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
37 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
38 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
39 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
40 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
41 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
42 (ASM_OUTPUT_DWARF_OFFSET): Remove.
43 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
44 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
45 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
46 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
48 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
50 * cselib.c (hash_rtx): Cast enums to unsigned int.
52 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
54 * print-rtl.c (print_rtx): Cast enums to int for comparison.
55 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
57 * c-format.c (C_STD_VER): Cast to int for comparisons.
58 (check_function_format): Cast various enums to int for &.
59 (maybe_read_dollar_number): Likewise.
60 (check_format_info): Likewise.
61 (check_format_info_main): Likewise.
62 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
63 (safe_from_p): Likewise.
64 * varasm.c (const_hash): Cast enum to int for %.
65 * emit-rtl.c (init_emit_once): Use int loop variable to work around
66 pcc enum problems with < and ++ operators.
67 * regclass.c (init_reg_sets_1): Cast enums for comparison.
68 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
69 (regclass_init): Change enum class to int to iterate over reg_classes.
70 * genrecog.c (merge_trees): Cast enums for comparison.
71 * rtl.h (GET_CODE): Cast to enum rtx_code.
72 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
73 (GET_MODE): Cast to enum machine_mode.
74 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
75 (GET_NOTE_INSN_NAME): Cast enum to int.
76 * tree.h (TREE_CODE): Cast to enum tree_code.
77 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
78 * timevar.c (timevar_print): Change loop variable id from enum to
80 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
81 * config/i386/i386.md: Use PUT_MODE for mode assignment.
82 * toplev.c (compile_file): Cast enum DFI to int.
83 (decode_d_option): Likewise.
85 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
87 * cppinit.c (append_include_chain): Mark "after" include file name list
88 as a system directory.
89 * cpp.texi: Document new behavior.
91 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
93 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
95 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
97 * cppfiles.c (struct include_file): Update.
98 (stack_include_file): Use search_from.
99 (cpp_included, find_include_file): Update.
100 (cpp_execute_include): Update. ptr->name may not be
101 null terminated. Use the new search_from member variable
103 (_cpp_compare_file_date): Similarly.
104 (search_from): New function, similiar to actual_directory.
105 (actual_directory): Delete.
106 (remap_filename): Update. loc->name may not be null terminated.
107 (struct file_name_list): Rename search_path. Update.
108 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
110 (struct cpp_reader): Remove actual_dirs.
111 * cppinit.c (struct cpp_pending): Update for renamed objects.
112 (append_include_chain, remove_dup_dir, remove_dup_dirs,
113 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
114 * cpplib.h (struct cpp_options): Similarly.
116 2001-03-01 Zack Weinberg <zackw@stanford.edu>
118 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
119 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
120 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
121 config/clipper/xm-clix.h, config/convex/xm-convex.h,
122 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
123 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
124 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
125 config/i370/xm-linux.h, config/i370/xm-mvs.h,
126 config/i370/xm-oe.h, config/i386/xm-aix.h,
127 config/i386/xm-i386.h, config/i386/xm-osf.h,
128 config/i860/xm-i860.h, config/i960/xm-i960.h,
129 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
130 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
131 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
132 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
133 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
134 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
135 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
136 config/pj/xm-pj.h, config/romp/xm-romp.h,
137 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
138 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
139 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
140 config/v850/xm-v850.h, config/vax/xm-vax.h,
141 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
142 Do not define TRUE or FALSE.
144 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
145 empty by above change.
146 * config.gcc: Remove references to these files.
148 * configure.in: Detect stdbool.h.
149 * configure, config.in: Regenerate.
150 * system.h: Include stddef.h here if available.
151 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
152 Then set up a sensible boolean type at the very end.
154 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
155 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
157 * hash.h: Delete 'boolean' typedef and related #undefs.
159 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
160 all uses of 'boolean' with 'bool'.
162 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
164 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
165 * cppexp.c (lex): Cast enums for comparison.
166 * cppinit.c (parse_option): Cast enum for comparison.
167 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
168 (cpp_output_token): Likewise.
169 (cpp_can_paste): Cast enums for comparsion and plus/minus.
170 (cpp_avoid_paste): Cast enums for minus and comparison.
172 2001-03-01 Zack Weinberg <zackw@stanford.edu>
174 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
175 field to all array elements.
177 2001-03-01 Zack Weinberg <zackw@stanford.edu>
179 * cpphash.h (struct cpp_reader): Add print_version field.
180 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
181 just set print_version and other flags as appropriate.
182 (cpp_post_options): Print version here if print_version is set.
184 * toplev.c (exit_after_options): New flag.
185 (independent_decode_option): Don't exit here; just set
187 (main): Exit after calling lang_hooks.post_options if
188 exit_after_options is true.
190 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
191 (merge_include_chains): Adjust comment to match code.
193 2001-03-01 Zack Weinberg <zackw@stanford.edu>
195 * stringpool.c (set_identifier): New function.
196 * tree.h: Prototype it.
198 * c-parse.in: Kill D_YES. If compiled for objc, call
199 save_and_forget_protocol_qualifiers from init_reswords.
200 * objc/objc-act.c (remember_protocol_qualifiers,
201 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
202 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
204 (save_and_forget_protocol_qualifiers): New function.
205 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
207 2001-03-01 Diego Novillo <dnovillo@redhat.com>
209 * c-semantics.c (prune_unused_decls): Return error_mark_node
210 instead of (tree) 1 to stop traversing the tree chain.
212 2001-03-01 Bernd Schmidt <bernds@redhat.com>
214 Fix a problem introduced by Kenner's Feb 18 change.
215 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
216 flag_cse_skip_blocks only temporarily, not for ever.
218 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
220 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
221 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
223 * pa.c (emit_move_sequence): Verify operand0 is a hard register
224 before determining its register class.
226 2001-03-01 Bernd Schmidt <bernds@redhat.com>
228 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
229 from reg 4 if current_function_calls_setjmp.
230 (gen_nop_type): New function.
231 (ia64_emit_nops): New function.
232 (ia64_reorg): Call it.
233 (ia64_sched_reorder): Move code that rotates bundles up a bit.
235 * reload1.c (eliminate_regs_in_insn): Restrict the special case
236 code not to try to optimize adds with anything but a REG destination.
238 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
239 (INSN_PRIORITY_KNOWN): New accessor macro.
240 * haifa-sched.c (priority): Use it instead of testing priority against
243 2001-02-28 DJ Delorie <dj@redhat.com>
245 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
246 since that doesn't work the way gcc wants on a generic m68k.
248 2001-02-28 Richard Henderson <rth@redhat.com>
250 * caller-save.c (save_call_clobbered_regs): Fix typo in
251 comparison last change.
253 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
255 * i386.c (pentium4_cost): New.
256 (m_PENT4): New macro.
257 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
258 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
259 x86_integer_DFmode_moves, x86_partial_reg_dependency,
260 x86_memory_mismatch_stall): Add Pentium4
261 (x86_use_q_reg, x86_use_any_reg): Kill.
262 (override_options): Add pentium4.
263 (incdec_operand): Return 0 for pentium4.
264 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
265 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
266 (TARGET_PENTIUM4): Define.
267 (enum processor_type): Add PROCESSOR_PENTIUM4.
268 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
269 * i386.md (attribute "cpu"): Add pentium4.
270 * invoke.texi (march): Add pentium4.
272 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
274 * i386.md (sse_mov?fcc*): New patterns and splitters.
275 * i386.c (ix86_expand_movcc): Work post-reload; recognize
276 the SSE based conditional moves.
278 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
280 * i386.md (attribute mode): Add "TI".
281 (movsf_1): Add pxor support; remove constant propagation splitter.
282 (movdf_integer): Likewise.
283 (movdf_nointeger): Likewise.
284 (movxf constant prop splitter): Handle all modes; update for SSE.
285 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
286 * i386.c (standard_80387_constant_p): Rewrite.
287 (standard_sse_constant_p): New.
288 * i386-protos.h (standard_sse_constant_p): New.
290 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
292 * i386.md (sse_setccsf, sse_setccdf): New.
293 (sse_cmp* patterns): Use '%D' instead of outputtting condition
295 * i386.c (sse_comparison_operator): Accept the supported unordered
296 comparses; be ready for fast_math.
297 (print_operand): Support 'D'.
299 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
301 * jump.c (reversed_comparison_code): Kill.
303 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
305 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
308 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
310 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
311 add missing '%' in constraints.
313 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
315 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
316 for HOST_BITS_PER_WIDE_INT == 32 too.
318 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
320 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
322 (insert_save, insert_restore): New parameter save_mode.
323 (init_caller_save): Update initialization of reg_save_code
324 and reg_restore_code.
325 (save_call_clobbered_regs): Compute save_modes and update calls to
326 reg_save_code and reg_restore_code.
327 (insert_restore): Unsignetize numbers; use save_modes to choose mode
328 of spill; update use of reg_restore_code.
329 (insert_save): Likewise.
330 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
331 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
332 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
334 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
336 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
337 noce_try_store_flag_inc, noce_try_store_flag_mask,
338 noce_try_cmove_arith):
339 Use reversed_comparison_code instead of reverse_comparison and
340 can_reverse_comparison_p.
342 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
344 * jump.c (reversed_comparison_code_parts): Allow reversal of
345 unordered compares in -ffast-math mode; reverse ordered compares
346 for FP even w/o -ffast-math.
348 2001-02-27 Richard Henderson <rth@redhat.com>
350 * print-rtl.c (print_rtx) [i]: Don't print field five on
351 NOTEs other than NOTE_INSN_DELETED_LABEL.
353 2001-02-27 Zack Weinberg <zackw@stanford.edu>
355 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
356 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
358 2001-02-27 Diego Novillo <dnovillo@redhat.com>
360 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
361 even if walk_subtrees is 0.
362 * c-semantics.c (prune_unused_decls): Return a non-null value to
363 stop traversing the tree chain.
365 2001-02-27 DJ Delorie <dj@redhat.com>
367 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
368 register, *then* define it as the new CFA.
370 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
372 * pa.c (override_options): Promote -fpic to -fPIC.
373 (legitimize_pic_address): Simplify due to removal of
374 small PIC as a code generation option.
375 (secondary_reload_class): Similarly.
376 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
377 (PRINT_OPERAND_ADDRESS): Similarly.
378 * pa.md (various patterns): Similarly.
379 (small pic lo_sum pattern): Remove.
381 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
384 * md.texi (min, max): Document
386 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
388 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
389 TARGET_PARTIAL_REG_DEPENDENCY.
390 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
392 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
394 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
396 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
398 * mips.c (mips_make_temp_file): Fix thinko in last change.
400 2001-02-26 Jason Eckhardt <jle@redhat.com>
402 * combine.c (known_cond): Do not reverse the condition when
403 SMAX/UMAX is being considered and the condition is for equality
406 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
408 2001-02-26 Philip Blundell <philb@gnu.org>
410 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
412 * config/arm/linux-elf.h: Remove historical relics related to
413 above configurations.
414 * config/arm/linux-oldld.h: Delete.
415 * config/arm/linux-elf26.h: Delete.
417 2001-02-26 Jason Merrill <jason@redhat.com>
419 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
421 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
422 recognize a tentative definition. Lose obsolete code.
424 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
425 variables unless necessary, either.
427 2001-02-25 Richard Henderson <rth@redhat.com>
429 * ifcvt.c (struct noce_if_info): Add test_bb.
430 (noce_get_alt_condition): New.
431 (noce_try_minmax, noce_try_abs): New.
432 (noce_operand_ok): New.
433 (noce_process_if_block): Use them.
434 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
436 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
438 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
441 2001-02-25 Zack Weinberg <zackw@stanford.edu>
443 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
444 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
446 (mips_asm_file_end): Free temp_filename here.
448 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
450 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
451 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
453 * config/i386/i386.md (movstrsi): Handle FAIL case.
455 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
457 * cppinit.c (builtin_array): Update.
458 (init_builtins): Flag builtins to warn if redefined or
459 undefined. Define __GXX_WEAK as a normal macro.
460 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
461 * cpplib.h (NODE_WARN): New flag.
462 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
463 Handle __STDC__ as a builtin only on Solaris.
464 (warn_of_redefinition): Renamed from check_macro_definition.
465 Reverse sense of test. Always warn if NODE_WARN.
466 (_cpp_create_definition): Use warn_of_redefinition. Flag
467 any macro beginning with "__STDC_" to require a mandatory
468 warning if redefined or undefined.
470 2001-02-24 Zack Weinberg <zackw@stanford.edu>
472 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
473 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
474 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
475 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
476 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
477 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
479 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
480 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
481 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
482 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
483 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
485 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
486 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
489 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
490 Delete now-empty file.
492 * alpha/vms.h: Define NEED_ATEXIT here...
493 * alpha/xm-vms.h: ...not here.
495 * i386/cygwin.h: Don't define PARAMS.
496 * mips/mips.c: Don't prototype mktemp. Don't define
497 P_tmpdir. Use make_temp_file to create temporary files.
498 Don't be clever and delete temporary files early.
499 * config.gcc: Drop references to deleted files. Don't define
501 * gcc.texi: Don't mention USE_PROTOTYPES.
503 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
505 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
506 (ix86_set_move_mem_attrs_1): Likewise.
507 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
508 * config/i386/i386.md (movstrsi): Call it.
510 2001-02-24 Zack Weinberg <zackw@stanford.edu>
512 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
513 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
514 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
515 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
517 (i750a-*-*): Error here if hosting on i750a.
518 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
520 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
521 Remove (empty modulo comments).
523 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
524 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
525 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
526 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
527 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
528 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
530 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
531 Remove reference to winnt.h in comment.
532 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
534 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
536 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
537 used to set another biv.
539 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
541 * tree.h (BLOCK_DEAD): New macro.
542 (struct tree_block): New flag, dead_flag.
543 * print-tree.c (print_node, case 'b'): Print missing fields.
544 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
545 * function.c (identify_blocks): Enable test for misplaced notes.
546 (all_blocks): Skip BLOCK_DEAD blocks.
547 * integrate.c (integrate_decl_tree): Likewise.
549 * errors.c (internal_error, trim_filename): New functions.
550 (fancy_abort): Call internal_error.
551 * errors.h (internal_error, trim_filename): New declarations.
553 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
555 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
557 (EXTRA_CONSTRAINT): Formatting changes.
559 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
561 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
563 2001-02-23 Per Bothner <per@bothner.com>
565 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
566 so they can be called from java/jvspec.c.
567 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
569 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
571 * i386.c (ix86_frame): New structure.
572 (ix86_compute_frame_size): Kill.
573 (ix86_compute_frame_layout): New.
574 (ix86_save_reg): New.
575 (ix86_can_use_return_insn_p): Use frame layout stuff.
576 (ix86_expand_prologue): Likewise.
577 (ix86_expand_epilogue): Likewise.
578 (ix86_initial_elimination_offset): Likewise.
579 (ix86_nsaved_regs): Use ix86_save_reg.
580 (ix86_emit_save_regs): Likewise.
582 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
584 * flow.c (find_sub_basic_blocks): New function.
585 (split_block): Be ready for basic block introduced by CODE_LABEL.
586 (commit_one_edge_insertion): Call find_sub_basic_block.
588 * flow.c (make_edges): Add edge from entry for blocks starting with
589 label having ALTERNATE_NAME
591 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
593 * function.c (epilogue_done): Be ready for first basic block not
594 containing PROLOGUE_END note.
595 (reposition_prologue_and_epilogue_notes): Avoid placing
596 PROLOGUE_END note between BASIC_BLOCK.
598 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
600 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
602 2001-02-21 DJ Delorie <dj@redhat.com>
604 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
605 check for current_function_has_nonlocal_goto from 1999-11-12.
607 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
609 * diagnostic.c (trim_filename): No longer static.
610 * toplev.h (trim_filename): Declare.
611 * rtl.c (rtl_check_failed_bounds): Call internal_error.
612 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
613 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
614 (rtvec_check_failed_bounds): Likewise.
615 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
617 * convert.c (convert_to_integer): Don't do unsigned unless result or
618 both inputs are unsigned.
620 * fold-const.c (fold_convert): Don't call size_int_type_wide if
623 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
625 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
627 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
629 * Makefile.in (resource.o): Add params.h dependence.
630 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
631 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
632 * resource.c: Add dependence on params.h.
633 (current_live_regs): Fix explanatory comment.
634 (find_basic_block): Add new parameter to permit limiting search
636 (mark_target_live_regs): Add new argument to find_basic_block call.
637 (incr_ticks_for_insn): Likewise.
639 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
641 * diagnostic.c (output_to_stream): Rename to
642 output_buffer_to_stream. Loses the stream parameter.
643 (init_output_buffer): Set diagnosic_buffer's stream.
644 (flush_diagnostic_buffer): Adjust.
645 (default_print_error_function): Likewise.
646 (finish_diagnostic): Likewise.
647 (verbatim): Likewise.
649 * diagnostic.h (struct output_buffer): Add `stream' field.
650 (output_buffer_attached_stream): New macro.
652 2001-02-23 Jakub Jelinek <jakub@redhat.com>
654 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
655 check if either operand is divisible by C.
656 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
657 If type is signed, consider negative numbers as well.
659 2001-02-22 Richard Henderson <rth@redhat.com>
661 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
662 reach .text instead of gp-relative relocs.
663 * config/ia64/crtend.asm (.init): Likewise.
665 2001-02-22 Andreas Jaeger <aj@suse.de>
667 * extend.texi (C++ Attributes): Fix typo.
669 2001-02-21 David Mosberger <davidm@hpl.hp.com>
671 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
672 functions, drop current_function_args_info.words test.
673 (ia64_compute_frame_size): Mark syscall_linkage functions as
674 using eight input registers.
676 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
677 Bruce Korb <bkorb@gnu.org>
679 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
680 * fixinc/README: Document how to convert sed substitutions
681 to format style c_fix-es.
682 * fixinc/fixincl.x: regen
684 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
686 * gcc.c: Add comment explaining how to add a command-line option.
687 Add title to specs language comment.
689 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
691 * gcc.c (cc1_options): Add "-param".
692 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
693 (option_map): Likewise.
694 * toplev.c (display_help): Add entry for "--param".
695 (independent_decode_option): Fix typographical error.
697 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
698 Bernd Schmidt <bernds@redhat.com>
699 Jan Hubicka <jh@suse.cz>
701 * i386.c (function_arg_advance): Pass SSE arguments in registers.
702 (function_arg): Likewise.
704 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
706 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
708 2001-02-21 Kazu Hirata <kazu@hxi.com>
710 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
714 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
716 * flow.c (init_propagate_block_info): Canon address and use single_set
717 for killing dead memory stores.
719 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
721 * Makefile.in (reorg.o): Add params.h dependence.
722 * params.def: Fix typographical error in comment.
723 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
724 * params.h: Modify introductory comment.
725 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
726 * reorg.c: Add dependence on params.h.
727 (redundant_insn): Add parameterized throttle for search.
728 (fill_simple_delay_slots): Add a comment explaining a variable.
729 Move conditional out of loop, simplifying code.
730 (fill_eager_delay_slots): Fix typographical error in comment.
732 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
734 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
736 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
737 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
739 2001-02-21 Jason Merrill <jason@redhat.com>
741 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
742 (struct tree_decl): Add uninlinable bitfield.
743 * c-decl.c (duplicate_decls): Set it.
744 * integrate.c (function_cannot_inline_p): Check it.
746 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
747 DW_AT_MIPS_linkage_name to abstract methods.
748 (dwarf2out_abstract_function): Emit class context before calling
749 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
750 (gen_subprogram_die): Remove obsolete code.
751 (gen_member_die): Don't include clones in the member list.
752 (gen_decl_die): Emit abstract info for clone origin.
753 * dwarfout.c (output_type): Don't include clones in the member list.
754 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
755 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
756 DECL_ABSTRACT on a function that already has it set.
758 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
759 (get_subprogram_die): Pass it in.
761 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
763 * flow.c (mark_set_1): Make not_dead unsigned long. For
764 non-pseudos, use it as a bitmask of the hard regs that
767 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
769 * cppfiles.c: Update comments.
770 (_cpp_read_file): Don't check for NULL filenames any more.
771 * cppinit.c (cpp_start_read): Don't do canonicalization of
772 in_fname and out_fname. Use the passed file name exclusively.
773 (_cpp_handle_options): Don't treat "-" as a command line option,
774 but as a normal filename.
775 (_cpp_post_options): Canonicalize in_fname and out_fname.
776 * cppmain.c (printer_init): Don't check out_fname for NULL.
777 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
778 (init_c_lex): Update, and use "" to represent stdin to CPP.
781 2001-02-20 Will Cohen <wcohen@redhat.com>
783 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
784 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
785 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
788 2001-02-20 Stan Shebs <shebs@apple.com>
790 * config/rs6000/rs6000.c (output_cbranch): Output branches
791 on separate lines instead of using ';' to separate.
793 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
795 * cppinit.c (set_lang): Move builtin handling to...
796 (init_builtins): ...here.
797 (_cpp_create_reader): Move call to set_lang.
799 2001-02-20 Mark Mitchell <mark@codesourcery.com>
801 * stmt.c (expand_return): If an attempt is made to return the
802 error_mar_node, treat the return like a return without a value.
804 2001-02-19 Zack Weinberg <zackw@stanford.edu>
806 * sibcall.c (skip_copy_to_return_value): Call
807 identify_call_return_value here, and return orig_insn if it
808 returns zero. Hardret and softret arguments now unnecessary.
809 (call_ends_block_p): Don't call identify_call_return_value here.
811 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
813 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
814 * ggc.h (ggc_mark_if_gcable): Delete prototype.
816 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
818 * pa.c (move_operand): Accept code to load the address of a
819 symbol out of the DLT as a valid move operand.
820 (print_operand, case 'A'): New to handle generating a DLT
821 reference for a LO_SUM expression.
822 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
823 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
825 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
827 * README, cpp.texi, gcc.texi, version.c: Update version number to
829 * cpp.1, gcov.1, gcc.1: Regenerate.
831 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
833 * cppfiles.c (stack_include_file): Generate dependencies
834 here, and manage include_count here too.
835 (PRINT_THIS_DEP): Delete.
836 (_cpp_execute_include): Do not generate dependencies here,
837 apart from the case of a missing header. Do not manage
839 (_cpp_read_file): Leave dependency generation to
842 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
844 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
845 target_cpu_default. Remove dead assignment to
848 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
850 * regclass.c (contains_reg_of_mode): Make global.
851 (init_reg_sets): Remove contains_reg_of_mode; take into account
852 CLASS_MAX_NREGS when looking for the proper mode.
853 (dump_regclass): Dump only classes considered for the pseudo.
854 (regclass): Use contains_reg_of_mode.
856 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
858 * gcc.c (do_spec_1): 'n' for printing notices.
859 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
861 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
863 * reg-stack.c (next_flags_user): Use current_block->end
864 (swap_rtx_condition): Look for next user if flags don't die;
865 give up on CALL_INSNs; use current_block->end.
867 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
869 * sibcall.c (call_ends_block_p): New function.
870 (optimize_sibling_and_tail_recursive_call): Use it.
872 2001-02-18 Kazu Hirata <kazu@hxi.com>
874 * config/h8300/h8300.md: Update copyright.
875 (andsi3): Do not output an extra newline character.
877 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
879 * toplev.c (note_deferral_of_defined_inlined_function): Argument
880 FNDECL may be unused.
882 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
883 follow jumps after first run.
884 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
885 it doesn't change any jumps.
887 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
889 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
890 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
891 (mostlyclean): Corresponding changes.
892 * rtlanal.c (hard-reg-set.h): Include.
893 (rtx_unstable_p): Do not treat the argument pointer specially
894 if it is not a fixed register.
895 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
897 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
899 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
900 against last real insn in basic block.
901 Rework to avoid gotos.
903 * Makefile.in (gcse.o): Now includes ggc.h.
904 * gcse.c: Include ggc.h.
905 (want_to_gcse_p): Verify expression can be in SET as valid insn.
906 (try_replace_reg): Remove warning of uninitialize variable.
907 (process_insert_insn): Call invalid_insn_p to validate insn.
908 * recog.c (insn_invalid_p): Now global.
909 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
910 * recog.h (insn_invalid_p): New declaration.
912 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
914 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
915 assignments from FP constants since 'Y' output code can't handle it.
916 (eligible_for_sibcall_delay): Likewise.
918 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
919 Call fancy_abort directly, passing args.
920 (print_rtl_and_abort): Now a macro, like fancy_abort.
922 * final.c (output_operand_lossage): Use internal_error, not error.
924 2001-02-18 Shane Nay <shane@agendacomputing.com>
926 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
927 structure shift insns.
929 2001-02-18 Mark Mitchell <mark@codesourcery.com>
931 * invoke.texi (-fsquangle): Remove documentation.
932 (-fname-mangling-version): Likewise.
934 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
936 * optabs.c (expand_abs): Remove reference to
937 HAVE_contitional_arithmetic.
938 * combine.c (simplify_set): Likewise.
940 2001-02-18 Richard Henderson <rth@redhat.com>
942 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
945 2001-02-18 Richard Henderson <rth@redhat.com>
947 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
949 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
951 * reload1.c (reload_cse_simplify_set): Fix typo.
953 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
955 * diagnostic.c (_fatal_insn): Decrement errorcount.
957 * invoke.texi (-I): Add note avoiding use for system header files.
959 * rtl.h (add_clobbers): Remove duplicate declaration.
960 * recog.h (added_clobbers_hard_reg_p): New declaration.
961 * genemit.c (struct clobber_pat): New field has_hard_reg.
962 (gen_insn): Record if added clobbers clobber hard reg.
963 (gen_split): Avoid unused warning if number of operands is 0.
964 (output_added_clobbers_hard_reg_p): New function.
967 2001-02-18 Alan Modra <alan@linuxcare.com.au>
969 * pa.c (hppa_expand_prologue): Simplify code storing return
970 pointer. For large (>=8k) frames with a post_store, adjust stack
971 pointer by 8k-64 first rather than by 64. When testing with
972 VAL_14_BITS_P, always use the actual value rather than the value
973 negated. Add blockage to prevent scheduling of spills before
974 stack frame has been created.
975 (hppa_expand_epilogue): Simplify code loading return pointer.
976 Allow a slightly larger range for merge_sp_adjust_with_load case.
977 When testing with VAL_14_BITS_P, always use the actual value.
979 * pa.c (pa_adjust_insn_length): Check that block move
980 pattern is a set before looking at operands.
982 2001-02-17 Mark Mitchell <mark@codesourcery.com>
984 * fold-const.c (fold_binary_op_with_conditional_arg): New
985 function, split out from ...
987 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
988 conditional arms that throw exceptions.
990 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
993 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
995 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
996 define HAVE_DECL_* to 1 to mask potential backup declarations.
997 * configure: Regenerated.
999 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1001 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1003 2001-02-17 Richard Henderson <rth@redhat.com>
1005 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1006 when replacing a memory load with a register.
1008 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1009 Jan Hubicka <jh@suse.cz>
1011 * recog.c (validate_replace_src_1): New.
1012 (validate_replace_src_data): Likewise.
1013 (validate_replace_src): Use note_uses.
1014 * rtl.h (note_uses): Declare.
1015 * rtlanal.c (note_uses): New.
1017 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1019 * reg-stack.c (stack_def): Make field reg unsigned.
1020 (remove_regno_note): Unsignetize parameter.
1022 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1024 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1025 shladd_operand() call.
1027 2001-02-16 Bruce Korb <bkorb@gnu.org>
1028 Rodney Brown <RodneyBrown@mynd.com>
1030 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1031 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1032 machine restrictions
1033 * fixinc/fixincl.x: regen
1035 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1037 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1039 (hash_scan_insn): Clean up calls to hash_scan_set.
1040 (compute_kill_rd): REGNO now unsigned.
1041 (try_replace_reg): Rework to use simplify_replace_rtx.
1042 (cprop_jump, cprop_cc0_jump): Likewise.
1043 (cprop_insn): Call find_reg_equal_equiv_note.
1044 Reflect changes to cprop_jump and cprop_cc0_jump.
1046 * recog.c (validate_replace_src): Replace in operands of
1047 ZERO_EXTRACT in SET_DEST.
1049 * cse.c (new_label_ref): New variable.
1050 (insert): Set it instead of recorded_label_ref.
1051 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1052 CODE_LABEL for this function, and not already in REG_LABEL note.
1054 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1056 * resource.c (mark_referenced_resources): Fix typo in introductory
1058 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1061 2001-02-16 Jason Merrill <jason@redhat.com>
1063 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1065 (gen_subprogram_die): Don't abort on seeing a second definition if
1066 the previous one was abstract. Don't replace an abstract instance
1067 in the lookup table.
1069 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1070 gen_abstract_function.
1071 * dwarf2out.h: Declare it.
1072 * toplev.c (note_outlining_of_inline_function): New fn.
1073 * toplev.h: Declare it.
1074 * integrate.c (output_inline_function): Call it.
1075 * c-decl.c (duplicate_decls): Call it when redefining an extern
1076 inline. Don't inline the new defn.
1078 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1080 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1082 * .gdbinit: Rename to gdbinit.in.
1083 * gdbinit.in: New file,
1084 * configure.in: Generate .gdbinit from gdbinit.in.
1085 * configure: Regenerated.
1086 * Makefile.in (distclean): Always remove .gdbinit.
1088 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1090 * objc/objc-act.c (start_class): Register implemented_classes with
1093 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1095 * cppfiles.c (_cpp_make_system_header): Generate a file
1098 2001-02-15 Jim Meyering <meyering@lucent.com>
1100 * Makefile.in (install-common): Don't depend on installdirs here.
1101 Instead, make each of the lang.install-common targets (e.g.,
1102 c++.install-common in cp/Make-lang.in) depend on it.
1103 (install-driver): Depend on installdirs.
1105 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1107 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1109 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1112 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1114 * invoke.texi (--param): Document.
1116 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1118 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1120 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1122 * i386.md (extendsfdf2_2): Fix constraints.
1124 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1126 * i386.md (fop_df_3 splitter): Fix operand number.
1128 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1130 * invoke.texi (-mreg-alloc): Nuke.
1131 * i386.c (ix86_reg_alloc_order, regs_allocated,
1132 order_regs_for_local_alloc): Nuke.
1133 (override_options): Kill reg_alloc code.
1134 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1135 (REG_ALLOC_ORDER): SSE goes before I387.
1136 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1137 (ix86_reg_alloc_order): Likewise.
1138 * i386-protos.h (ix86_reg_alloc_order): Kill.
1140 2001-02-14 Richard Henderson <rth@redhat.com>
1142 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1144 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1146 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1148 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1150 * i386-protos.h (ix86_memory_move_cost): Move offline.
1151 * i386.c (ix86_register_move_cost): Compute properly cost of
1152 SSE, MMX and i387 instructions.
1153 (*_cost): Add costs of SSE/MMX moves.
1154 (ix86_memory_move_cost): Move offline from ....; Likewise.
1155 * i386.h (MEMORY_MOVE_COST): .... here;
1156 (struct processor costs): Add new fields to represent costs
1159 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1161 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1162 move_cost together with Matt Kraai's fix.
1164 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1166 * Makefile.in (OBJS): Add params.o.
1168 2001-02-14 Richard Henderson <rth@redhat.com>
1169 DJ Delorie <dj@redhat.com>
1171 * jump.c (jump_optimize_1): When we delete a conditional jump
1172 preceeding a non-conditional jump to effectively the same place,
1173 make sure that the combined jump skips any clobber insns between
1176 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1178 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1180 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1182 * Makefile.in (toplev.o): Depend on params.h.
1183 (intergate.o): Likewise.
1184 (params.o): New target.
1185 * flags.h (inline_max_insns): Remove.
1186 * integrate.c: Include params.h.
1187 Use MAX_INLINE_INSNS instead of inline_max_insns.
1188 * params.c: New file.
1189 * params.h: Likewise.
1190 * params.def: Likewise.
1191 * toplev.c: Include params.h.
1192 (lang_independent_params): New variable.
1193 (decode_f_option): Use the param machinery instead of setting
1195 (independent_decode_option): Handle "--param name=value".
1196 (main): Register language-independent parameters.
1198 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1200 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1202 2001-02-14 Richard Henderson <rth@redhat.com>
1204 * regclass.c (init_reg_sets_1): Revert last two changes.
1206 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1208 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1209 (variable_size): Call put_pending_size.
1210 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1211 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1212 sizes list, put newly created SAVE_EXPR there as well.
1214 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1216 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1217 (errata_find_address_regs): load_group has only 2 entries.
1218 (errata_emit_nops): Likewise. shladd is not problematic.
1219 Clear last_group if nop was emitted.
1220 (fixup_errata): load_group has only 2 entries.
1223 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1225 * c-lex.c (lex_number): Only warn traditionally for U suffix
1226 outside system macros.
1227 * cppexp.c (parse_number): Similarly.
1228 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1229 * cppmacro.c (struct cpp_macro): New member node.
1230 (parse_args): Only warn about missing rest args if not
1232 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1233 (cpp_sys_objmacro_p): New.
1234 (_cpp_create_definition): Store the node with the macro defn.
1235 Remember if the macro is defined in a system header.
1237 2001-02-13 DJ Delorie <dj@redhat.com>
1239 * configure.in (check_languages): determine languages to check
1240 * Makefile.in (check-c++): alias for check-g++
1241 (check-f77): alias for check-g77
1242 (CHECK_TARGETS): depend on configured languages
1244 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1246 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1247 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1248 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1249 (sqrtextendsfdf2): Disable for SSE2.
1251 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1253 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1254 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1255 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1256 (sqrtextendsfdf2): Disable for SSE2.
1258 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1260 * i386.md (movsfcc_1): Support integer cmove instruction.
1261 (movdfcc_1): Likewise; new splitter.
1263 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1265 * i386.c (output_fp_compare): Support SSE.
1266 (prepare_fp_compare_args): SSE comparisons always support memory.
1267 * i386.h (TARGET_CMOVE): SSE imply cmove.
1268 * i386.md (cmp?f2): Enable for SSE too.
1269 (cmpfp_i*): Support SSE.
1271 (cmpfp_i_sse_only): New.
1272 (s*, b* fp expanters): Enable for SSE too.
1273 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1276 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1278 * regclass.c (init_reg_sets_1): Silence warning.
1280 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1282 * i386.md (sqrt?f2): Change to expander.
1283 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1285 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1287 * rtlanal.c (find_reg_equal_equiv_note): New function.
1288 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1289 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1290 * rtl.h: Add declarations for above functions.
1292 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1294 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1296 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1297 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1298 * flow.c (mark_regs_live_at_end): Likewise.
1299 (calculate_global_regs_live): Likewise.
1300 * gcse.c (compute_hash_table): Likewise.
1301 (compute_kill_rd): Likewise.
1302 * resource.c (mark_target_live_regs): Likewise.
1303 * rtl.h (INVALID_REGNUM): New macro.
1305 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1307 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1309 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1311 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1314 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1316 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1318 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1319 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1320 (fop_sf_1_sse, fop_df_1_sse): New patterns
1321 (fop_*): Disable float_extend and float patterns for SSE compilation.
1322 * i386.c (output_387_binary_op): Support SSE.
1324 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1326 * i386.md (dummy_extendsfdf2): Support SSE2
1327 (extendsfdf2): Enable if 80387 or SSE2.
1328 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1329 and no MIX_I387_SSE2
1330 (extendsfdf2_1_sse_only): New pattern.
1331 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1333 (truncdfsf2_1): Support SSE.
1334 (truncdfsf2_2): Support SSE.
1335 (truncdfsf2_2_1_sse): New pattern.
1336 (fixtruncsfsi2): Always use SSE if available.
1337 (fix_truncsfsi_sse): New pattern.
1338 (fix_truncdfsi_sse): New pattern.
1339 (floatsis?f2): Support SSE.
1340 (floatsidf2_i387): New pattern.
1341 (floatsidf2_sse): Likewise.
1343 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1345 * configure.in: Use "have_gnat" variable, not "gnat".
1346 * configure: Regenerated.
1348 * config/sparc/sparc.c (function_value): Treat all non-record
1349 aggregate types like used to treat UNION_TYPE.
1351 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1353 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1354 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1356 (MASK_MIX_SSE_I387): New.
1357 (TARGET_SSE): SSE2 imply SSE.
1358 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1359 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1360 (enum reg_class): Add new classes.
1361 (REG_CLASS_NAMES): Likewise.
1362 (REG_CLASS_CONTENTS): Likewise.
1363 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1364 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1365 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1366 (CLASS_MAX_NREGS): Use new macros.
1367 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1368 * i386.md (pushsf, movsf): Support SSE.
1369 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1370 splitters to use ANY_FP_REGNO_P.
1371 (movdf_nointeger, movdf_integer): Likewise.
1373 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1375 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1376 (try_combine): Use it.
1378 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1380 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1381 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1382 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1383 (REGISTER_MOVE_COST): Likewise.
1384 * i386-protos.h (ix86_secondary_memory_needed,
1385 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1386 * i386.c (ix86_secondary_memory_needed,
1387 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1389 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1391 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1392 (HARD_REGNO_MODE_OK): Move offline to ....
1393 * i386.c (ix86_hard_regno_mode_ok) ... here;
1394 refuse all incorrect modes.
1395 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1397 2001-02-13 Richard Henderson <rth@redhat.com>
1399 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1400 entire operator; replicate that and match_dup the operands.
1401 (cmp_ccx_arith_op_set): Likewise.
1402 (cmp_cc_arith_op_not_set): Likewise.
1403 (cmp_ccx_arith_op_not_set): Likewise.
1405 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1407 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1409 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1411 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1412 (TARGET_NO_BITFIELD_WORD): New macro.
1413 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1414 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1416 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1418 * cselib.c: New file, from simplify-rtx.c.
1419 * simplify-rtx.c: Remove cselib parts.
1420 * Makefile.in: Add cselib.o.
1422 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1424 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1425 (setup_incoming_varargs): Remove warning.
1427 * config/rs6000/rs6000.c (validate_condition_mode): When
1428 flag_fast_math, allow floating-point conditionals to be reversed.
1429 (rs6000_generate_compare): When flag_fast_math, don't generate
1430 cror operations for FP conditionals.
1432 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1434 (ASM_SPEC): Likewise.
1435 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1436 (CC1_SPEC): Likewise.
1437 (LINK_TARGET_SPEC): Likewise.
1438 (CPP_ENDIAN_SPEC): Likewise.
1439 * Makefile.in (check-consistency): New target.
1441 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1443 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1444 "return type defaults" warning for functions with return type
1446 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1447 function declarations by default rather than only when pedantic.
1449 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1451 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1454 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1456 * extend.texi (Deprecated): Deprecate new initializer lists.
1458 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1460 * mkdeps.c (deps_add_default_target): Robustify. Add
1461 basename component only.
1462 * cpp.texi (-M): Describe how default target is generated.
1463 * invoke.texi (-M): Likewise.
1465 2001-02-12 Kazu Hirata <kazu@hxi.com>
1467 * toplev.c (push_float_handler): Remove.
1468 (pop_float_handler): Remove.
1469 * toplev.h: Remove prototypes for the above functions.
1471 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1473 * c-common.c (constant_fits_type_p): New function.
1474 (convert_and_check): Use it.
1476 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1478 * Makefile.in (GXX_ABI_FLAG): Don't define.
1479 * configure.in (--enable-new-gxx-abi): Remove option.
1480 * config.in: Regenerated.
1481 * configure: Likewise.
1483 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1485 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1487 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1488 regular basic block, and arrange for all edges into it to switch
1491 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1493 * Makefile.in (distclean): Do not remove .gdbinit.
1495 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1497 * Makefile.in (gcc.o): Fix typos.
1498 (protize.o): Likewise.
1499 (unprotoize.o): Likewise.
1501 2001-02-11 Richard Henderson <rth@redhat.com>
1503 * tree.c (build1): Check for null operand in last change.
1505 2001-02-11 Richard Henderson <rth@redhat.com>
1507 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1508 (fold): Don't assume a constant isn't foldable.
1509 * tree.c (build): Set TREE_CONSTANT for an expression with no
1510 side-effects and constant operands.
1513 2001-02-10 Richard Henderson <rth@redhat.com>
1515 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1517 2001-02-10 Anthony Green <green@redhat.com>
1519 * cpp.texi (Standard Predefined): Add documentation for
1522 * c-common.c (combine_strings): Improve warning message.
1524 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1526 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1528 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1530 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1532 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1535 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1537 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1540 2001-02-09 Nick Clifton <nickc@redhat.com>
1542 * config/arm/arm.md: Change output contraint on post inc
1543 load/store multiple patterns to be a read/write contraint.
1545 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1547 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1548 .o files when using the -M options.
1550 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1551 David Edelsohn <edelsohn@gnu.org>
1553 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1554 handle DImode constants. Use one TOC entry for SImode and smaller
1555 constants, aligned properly.
1557 2001-02-08 Jason Merrill <jason@redhat.com>
1559 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1560 about the SP adjustment for saving the static chain pointer.
1561 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1562 offset when setting a temporary CFA register.
1564 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1566 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1567 powerpc-*-chorusos* .
1568 * config/rs6000/chorus.h : New file.
1569 * config/i386/chorus.h : New file.
1570 * config/sparc/chorus.h : New file.
1571 * config/sparc/t-chorus-elf : New file.
1573 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1575 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1576 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1577 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1578 (__WCHAR_TYPE__): Correct macro name.
1580 2001-02-08 Richard Henderson <rth@redhat.com>
1582 * config/i386/i386.c (ix86_frame_pointer_required): New.
1583 (ix86_setup_frame_addresses): New.
1584 (struct machine_funciton): Add accesses_prev_frame.
1585 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1586 ix86_frame_pointer_required.
1587 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1588 (SETUP_FRAME_ADDRESSES): New.
1589 * config/i386/i386-protos.h: Update.
1590 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1591 from FRAME_POINTER_REQUIRED.
1592 * config/i386/svr3gas.h: Likewise.
1593 * config/i386/sysv3.h: Likewise.
1594 * config/i386/v3gas.h: Likewise.
1596 2001-02-08 Richard Henderson <rth@redhat.com>
1598 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1599 calculation of the number of integer registers required.
1600 (function_arg_record_value): Likewise.
1602 2001-02-08 Jason Merrill <jason@redhat.com>
1604 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1605 two. Print file and line with "confused" message.
1607 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1609 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1611 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1613 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1615 * final.c (cleanup_subreg_operands): The address of a MEM can
1618 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1621 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1623 * gcc.texi (Incompatibilities): Update documentation of
1624 preprocessing numbers.
1626 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1628 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1630 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1632 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1634 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1635 * gcc.c (struct compiler): Add cpp_spec field.
1636 (input_file_compiler): New variable.
1637 (do_spec_1): Allow a particular compiler to handle `%C'
1639 (main): Store the current compiler in input_file_compiler.
1640 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1642 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1644 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1645 * cppinit.c (cpp_create_reader): Initialize them.
1646 (append_include_chain): cxx_aware arg might be unused.
1647 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1648 keywords and give them their phase 7 meaning. Pedwarn about
1649 this unless '__bool_true_false_are_defined' is defined.
1651 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1653 * lcm.c (optimize_mode_switching): Emit mode_set before the
1654 JUMP_INSN of an abnormal edge.
1656 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1658 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1659 a scheduling barrier at the end.
1661 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1663 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1665 * config/sh/sh.md (reload_outsf): Removed.
1666 (movsf_ie): Introduce constraints for FPUL loads and stores.
1667 (reload_insf): Broaden the output constraint.
1669 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1671 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1672 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1674 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1676 * final.c: Revert my previous changes.
1677 * output.h: Make profile_label_no extern.
1678 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1679 for generating label.
1681 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1683 * config/i386/djgpp.h: Add comments about standard paths.
1684 (MD_EXEC_PREFIX): Undefine before defining.
1685 (MD_STARTFILE_PREFIX): New.
1687 2001-01-30 Bruce Korb <bkorb@gnu.org>
1689 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1690 (load_file): do not rely on load_file_data() to close file pointer
1691 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1692 fixinc/inclhack.def(irix_limits_const): add test_text
1694 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1696 * cppexp.c (parse_defined): Improve diagnostics for invalid
1699 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1701 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1703 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1705 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1706 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1707 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1708 (rs6000_output_symbol_ref): New function.
1709 (output_toc): Use VTABLE_NAME_P.
1711 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1713 * print-tree.c (print_node, case PARM_DECL):
1714 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1716 * stor-layout.c (reference_types_internal): New variable.
1717 (internal_reference_types): New function.
1718 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1719 * tree.h (internal_reference_types): New declaration.
1721 * cse.c (find_best_addr): Fix typo in computing cost.
1723 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1725 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1726 and this is the sum of a pointer and a constant, we know the result
1728 (num_sign_bit_copies, case PLUS): Likewise.
1729 * explow.c (convert_memory_address): Remove opposite SUBREG.
1730 * function.c (instantiate_new_reg): New function (from common code).
1731 (instantiate_virtual_regs_1): Call it.
1732 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1733 if pointers sign- or zero-extend.
1734 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1735 If pointers extend unsigned, use inside of SUBREG.
1736 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1738 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1740 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1741 subdir of gcc_gxx_include_dir.
1742 (gcc_gxx_target_include_dir): Remove.
1744 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1746 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1747 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1748 a high-level description.
1750 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1752 * final.c: Move the declaration of profile_label_no to ...
1753 * output.h: ... here.
1754 * function.c (expand_function_start): Call PROFILE_HOOK.
1755 * config/rs6000/aix.h: Define PROFILE_HOOK.
1756 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1757 * config/rs6000/rs6000.c (output_profile_hook): Define.
1758 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1759 output_profile_hook.
1760 tm.texi : Explain new macro PROFILE_HOOK.
1762 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1764 * extend.texi (Extended Asm): Do not say that semicolon is always
1765 a valid line-breaking character for GNU assemblers. Use
1766 newline-tab as the most commonly supported syntax. Use
1767 newline-tab rather than semicolon in multi-insn examples.
1769 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1771 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1773 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1774 David Edelsohn <edelsohn@gnu.org>
1776 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1777 code for AIX, even without flag_pic.
1779 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1781 * c-typeck.c (common_type): push and pop binding level around
1782 calling common_type on function parameters.
1784 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1786 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1788 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1790 * config/mips/mips.c (override_options): Fix typo in last change.
1791 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1792 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1794 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1796 * invoke.texi (-fdump-class-layout): Document.
1797 (-fdump-translation-unit): Use `=' as filename separator.
1799 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1801 * Makefile.in (s-mlib): Don't build multilibs if
1803 (DRIVER_DEFINES): Adjust accordingly.
1805 (protoize.o): Likewise.
1806 (unprotoize.o): Likewise.
1807 * configure.in: Recognize --enable-multilib.
1809 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1811 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1813 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1814 * configure.in: Remove --enable-libstdcxx_v3 support.
1815 * configure: Regenerated.
1817 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1819 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1820 Call abort instead of fatal.
1821 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1822 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1823 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1824 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1825 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1826 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1828 * diagnostic.h (set_internal_error_function): Renamed.
1829 * toplev.h (internal_error): Renamed from fatal.
1830 (pfatal_with_name): Deleted.
1831 (fatal_io_error): Now has printf-style arguments.
1832 * diagnostic.c (pfatal_with_name): Deleted.
1833 (fatal_io_error): Rework to have args in printf-style.
1834 (set_internal_error_function): Renamed from set_fatal_function.
1835 (internal_error): Renamed from fatal.
1836 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1837 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1838 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1839 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1840 * flow.c (verify_flow_info): Likewise.
1841 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1842 * config/mips/mips.c (save_restore_insns): Likewise.
1844 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1845 * flow.c (verify_flow_info): Likewise.
1846 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1847 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1848 (avr_normalize_condition): Likewise.
1849 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1850 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1851 (limit_reload_class, double_reg_to_memory): Likewise.
1852 (print_operand_address, emit_1600_code_shift): Likewise.
1853 (gen_tst_reg, gen_compare_reg): Likewise.
1854 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1855 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1857 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1859 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1860 * objc/objc-act.c (build_ivar_chain): Likewise.
1861 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1863 * graph.c (clean_graph_dump_file): Likewise.
1864 * profile.c (init_branch_prob): Likewise.
1865 * objc/objc-act.c (objc_init): Likewise.
1867 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1868 * config/avr/avr.c (avr_override_options): Likewise.
1869 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1870 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1871 * config/h8300/h8300.c (h8300_init_once): Likewise.
1872 * config/mips/mips.c (override_options): Likewise.
1873 * config/i386/i386.c (override_options): Likewise, rework.
1874 * config/m68k/m68k.c (override_options): Likewise.
1876 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1878 * config/mips/mips.c (print_operand): Likewise.
1879 * hash.c (hash_allocate): Don't check for failure returns from
1880 obstack functions that can't fail.
1881 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1882 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1883 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1884 (get_object_reference): Likewise.
1886 2001-02-04 Nick Clifton <nickc@redhat.com>
1888 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1889 StrongARM1110, 10TDMI, and 1020T.
1891 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1893 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1895 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1897 * config/sh/sh.md (movdf load split): Pass register number to
1898 FP_OR_XD_REGISTER_P.
1900 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1902 * cppinit.c (BC): New macro.
1903 (builtin_array): Add __GXX_WEAK__.
1904 * cpplib.h (builtin_type): Add BT_WEAK.
1905 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1906 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1907 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1909 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1911 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1913 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1915 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1916 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1918 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1920 * cpphash.h: Rename ALIGN _ALIGN.
1921 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1923 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1925 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1926 compilation environment.
1927 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1928 control over location of cygwin includes and libs.
1930 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1932 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1934 2001-02-02 lars brinkhoff <lars@nocrew.org>
1936 * md.texi (Standard Names): remove reference to spur.md.
1938 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1940 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1941 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1942 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1943 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1944 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1946 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1948 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1949 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1950 number before reload.
1951 (c4x_adjust_cost): Return zero before reload.
1952 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1953 split before reload.
1955 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1957 * c4x.c (c4x_hard_regno_rename_ok): New.
1958 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1959 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1961 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1963 * diagnostic.h: Add missing "extern" in all declarations.
1965 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1967 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1968 as for gcc_gxx_include_dir.
1970 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1972 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1974 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1976 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1977 label before alignment to be used as the braf base address.
1978 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1980 (casesi_jump_2): Require at least TARGET_SH2.
1982 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1983 truncation to 32-bit doubles on -m3e and -m4-single-only.
1985 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1987 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1988 the default when building a shared object.
1989 (init_spec): Use it.
1990 * testsuite/lib/g++.exp: Include the directory where libgcc
1991 is located to the LD_LIBRARY_PATH list.
1992 * invoke.texi (-shared-libgcc): Document the cases in which
1993 GCC defaults to using the shared libgcc.
1995 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1997 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1998 unsigned is wide enough.
2000 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2001 (si_to_float): Likewise.
2002 (float_to_si, float_to_usi): Use BITS_PER_SI.
2004 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2006 * dwarf2out.c: Added explanation of abbreviations.
2007 (def_cfa_1): Added comments listing DWARF2 instructions.
2008 (cfa_temp_reg): Removed in favor of cfa_temp.
2009 (cfa_temp_value): Removed in favor of cfa_temp.
2010 (cfa_temp): New global variable.
2011 (dwarf2out_frame_debug_expr): Added extensive introductory
2012 comments explaining the function's transformations. Revised to
2013 use cfa_temp. Added some rtx checking. Generalize IOR case.
2014 (dwarf2out_frame_debug): Revised to use cfa_temp.
2015 (output_aranges): Cast as "unsigned" to avoid warning.
2016 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2017 explain which instructions must be marked.
2019 2001-02-01 Richard Henderson <rth@redhat.com>
2021 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2024 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2026 * config/sh/crt1.asm (main_k): Modified so that start calls
2027 ___setup_argv_and_call_main.
2029 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2031 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2032 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2033 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2034 * cppmacro.c (builtin_macro): Set builtin flags here.
2035 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2036 (replace_args): Clarify intent.
2037 (cpp_get_token): Macro expansion tokens get the saved flags.
2039 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2042 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2044 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2047 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2049 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2050 returns Pmode pseudo, but we need ptr_mode.
2051 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2052 Remove bogus conversions; use HOST_WIDE_INT for size.
2053 Don't use TARGET if wrong mode.
2055 * config/i386/i386.c (ix86_compute_frame_size): Allow
2056 stack_alignment_needed to be non-default even if size is zero.
2058 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2060 * (hppa_init_pic_save): Emit the pic offset table
2061 reg save after last_parm_insn.
2062 * pa.c (hppa_init_pic_save): New function.
2063 * pa.h (hppa_init_pic_save): Declare.
2064 * pa.md (call, call_value, sibcall, sibcall_value): Use
2065 the above instead of duplicated code.
2067 * pa.c (hppa_encode_label): Correct size of alloca buffer
2068 so we don't overrun it. Correct leading `*' case.
2069 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2070 need to handle `*@'.
2071 (FUNCTION_NAME_P): Likewise.
2073 2001-01-31 Richard Henderson <rth@redhat.com>
2075 * config.gcc (alpha-osf5): Use float-i128.h.
2077 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2078 * config/float-i32.h: Likewise.
2079 * config/float-i64.h: Likewise.
2080 * config/float-sh.h: Likewise.
2081 * config/float-sparc.h: Likewise.
2083 2001-01-31 DJ Delorie <dj@redhat.com>
2085 * expmed.c (extract_bit_field): allow non-integral modes if we
2086 want to extract a whole register from itself.
2088 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2090 * c-typeck.c (set_init_index): If first is equal to last, assume as
2091 if it was not a range at all.
2093 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2095 * config/fp-bit.c: Include tm.h.
2096 (float_to_si): Don't assume SImode is 32-bits wide.
2097 (float_to_usi): Likewise.
2099 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2101 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2103 (typename): Call pending_xref_error after parsing typed_typespecs.
2104 * c-decl.c (lookup_tag): Give error immediately rather than
2105 leaving it pending if the tag of the wrong type is in the same
2107 (xref_tag): Don't pedwarn for forward declarations of enum types
2109 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2112 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2114 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2116 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2118 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2119 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2121 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2123 * cpphash.h (struct cpp_reader): New saved_flags.
2124 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2125 to avoid a paste after a pasted token.
2127 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2129 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2130 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2131 Wtype_MIN instead of LONG_MIN.
2133 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2135 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2137 * fixinc/fixincl.x: Regenerated.
2138 * fixinc/inclhack.def (irix_limits_const): New definition to
2139 convert "const" to "__const" in limits.h.
2141 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2143 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2145 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2147 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2148 when register dies in the insn.
2150 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2152 * diagnostic.c (fatal): Fix word wrap.
2154 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2156 * combine.c (try_combine): Fix SUBREG setting for
2157 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2159 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2161 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2164 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2166 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2168 * toplev.c (decode_W_option): Update warn_larger_than
2169 unconditionally for each processed switch.
2171 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2173 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2175 (hppa_expand_prologue): Delete code to save pic offset table register
2176 in the function prologue.
2177 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2178 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2179 table register at the beginning of the function after the prologue.
2181 2001-01-29 lars brinkhoff <lars@nocrew.org>
2183 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2185 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2186 Jeff Law <law@redhat.com>
2188 * pa.md (return): Revise comment for trivial return.
2189 (return_internal): Non-trivial return pattern for non-PIC code.
2190 (return_internal_pic): Non-trivial return pattern for PIC code.
2191 It uses the PIC register to ensure it is restored after
2193 (epilogue): Generate appropriate return for PIC and non-PIC code.
2195 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2197 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2199 2001-01-29 DJ Delorie <dj@redhat.com>
2201 * combine.c (if_then_else_cond): Pass the correct mode to
2202 operand_subword() for constants.
2204 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2206 * config/i386/cygwin.h: Add w32api to include search. Search different
2207 directories in a cross-build environment.
2209 2001-11-29 Tim Josling <tej@melbpc.org.au>
2211 * tree.h (TYPE_STUB_DECL): Add documentation.
2213 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2215 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2216 (sdbout_field_types): Likwise. Fix use of host_integerp.
2218 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2220 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2223 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2225 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2226 to use flag_gnu_linker.
2228 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2230 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2231 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2233 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2235 * tree.c, tree.h (build_parse_node): Remove; was identical to
2237 * c-lang.c (start_cdtor), objc/objc-act.c
2238 (build_module_descriptor): Use build_nt instead of
2241 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2243 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2244 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2245 not have any upper bits set.
2247 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2249 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2251 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2253 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2255 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2257 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2258 (integer_minus_one_node): Define.
2260 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2262 * Makefile.in (bootstrap2-lean): Fix typo.
2264 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2266 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2267 : Don't set fe_value.
2268 * cpplib.h (AVOID_LPASTE): New flag.
2269 (struct cpp_hashnode): Remove fe_value.
2270 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2271 * cppmacro.c (builtin_macro): Don't set flags here.
2272 (replace_args): Set AVOID_LPASTE flag on first token of an
2273 argument, and the token following it.
2274 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2275 macro expansion, and on the token following it. Do it for
2277 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2279 2001-01-27 Richard Henderson <rth@redhat.com>
2281 * config/alpha/t-ieee: Remove multilibbing.
2282 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2284 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2286 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2288 * Makefile.in: Remove all dependencies on defaults.h.
2289 * builtins.c: Don't include defaults.h.
2290 * c-common.c: Likewise.
2291 * c-decl.c: Likewise.
2292 * c-pragma.c: Likewise.
2293 * c-typeck.c: Likewise.
2294 * combine.c: Likewise.
2296 * frame-ia64.c: Likewise.
2297 * cppexp.c: Likewise.
2298 * crtstuff.c: Likewise.
2299 * dbxout.c: Likewise.
2300 * dwarf2out.c: Likewise.
2301 * dwarfout.c: Likewise.
2302 * emit-rtl.c: Likewise.
2303 * except.c: Likewise.
2305 * final.c: Likewise.
2306 * frame-dwarf2.c: Likewise.
2307 * libgcc2.c: Likewise.
2308 * optabs.c: Likewise.
2309 * profile.c: Likewise.
2310 * sdbout.c: Likewise.
2311 * toplev.c: Likewise.
2312 * tradcif.y: Likewise.
2314 * varasm.c: Likewise.
2316 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2318 * builtins.c (expand_builtin_fputs): Use size_one_node when
2319 transforming into fwrite.
2321 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2323 * extend.texi (Attribute Syntax): New section.
2325 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2327 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2328 they didn't need fixing.
2330 2001-01-27 Janis Johnson <janis@us.ibm.com>
2332 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2334 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2335 to remove macro definitions that are duplicated from elfos.h.
2337 2001-01-27 Richard Henderson <rth@redhat.com>
2339 * config/i386/sco5gas.h: Move ...
2340 * config/usegas.h: ... here.
2341 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2343 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2345 * c-typeck.c (struct constructor_stack): Add range_stack member.
2346 (really_start_incremental_init): Clear it.
2347 (push_init_level): Save constructor_range_stack and clear it if
2348 pushing explicit braces.
2349 (pop_init_level): abort if constructor_range_stack is non-zero at
2350 explicit closing brace. Restore saved constructor_range_stack if
2353 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2355 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2356 into register was forced into memory.
2358 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2360 * Makefile.in: Remove uses of + before $(MAKE).
2362 2001-01-26 Richard Henderson <rth@redhat.com>
2364 * stmt.c (cost_table): Remove.
2365 (COST_TABLE, cost_table_initialized): New.
2366 (estimate_case_costs): Use the later instead of the former.
2367 (balance_case_nodes): Likewise.
2369 2001-01-26 Richard Henderson <rth@redhat.com>
2371 * alias.c (objects_must_conflict_p): Read-only slots may not
2372 conflict despite having the same type.
2374 2001-01-27 Michael Hayes <mhayes@redhat.com>
2376 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2378 (check_ext_dependant_givs): Initialise u_start_val and
2380 (load_mems): Make last_max_reg unsigned.
2381 (try_swap_copy_prop): Use INSN_P and initialise set.
2383 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2385 * README.AVR : Removed.
2387 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2389 * pa-64.h (text_section): Remove declaration.
2391 * pa.md (return_internal): Remove mode on PIC register use.
2393 2001-01-25 lars brinkhoff <lars@nocrew.org>
2395 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2396 ASM_CLOSE_PAREN): fix typos.
2398 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2400 * acconfig.h: Define `const' to the empty string if neither
2401 __STDC__ nor __cplusplus is defined.
2402 * config.in: Regenerated.
2404 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2406 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2407 * collect2.c (main): Delete importf. Add ".obj" file extension.
2408 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2409 (aix_std_libs): Add additional AIX libraries to skip.
2410 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2411 * config/rs6000/aix51.h: New file.
2413 2001-01-25 Michael Hayes <mhayes@redhat.com>
2415 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2416 (loop_insn_emit_before): No longer static.
2417 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2418 (loop_givs_rescan, load_mems): Likewise.
2419 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2420 (maybe_eliminate_biv_1):
2421 (move_movables): Replace emit_call_insn_before with
2422 loop_call_insn_hoist.
2423 * loop.h (loop_insn_emit_before): Add.
2424 * unroll.c (copy_loop_body): Replace emit_insn_before with
2425 loop_insn_emit_before.
2427 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2429 * diagnostic.c (fatal): Request preprocessed source.
2431 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2433 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2434 olddecl has argument types and newdecl has none, use the argument
2437 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2439 * dwarf2out.c (prefix_of): New function. Determine longest common
2440 prefix of the two arguments. The units are whole path components.
2441 (output_file_names): When adding a new directory find the one entry
2442 with the longest common prefix already in the list. Artificially
2443 generate entry if there is none for this prefix.
2444 Fix test to check whether the zeroth directory entry is used.
2446 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2448 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2449 Changed all callers. Take it into account when deciding if a
2450 previously loaded value matches.
2452 2001-01-24 Richard Henderson <rth@redhat.com>
2454 * reload.c (find_reloads_subreg_address): Fail the substitution
2455 if the resulting address is insufficiently aligned.
2457 2001-01-24 DJ Delorie <dj@redhat.com>
2459 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2460 check the original operand's mode also.
2461 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2463 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2465 * c-parse.in (cast_expr): Move compound literals from here ...
2466 (primary): ... to here. Use standard terminology "compound
2467 literal" instead of "constructor expression".
2469 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2471 * gcc.1, cpp.1: Regenerate.
2473 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2475 * calls.c (emit_library_call_value_1): Memory slot for
2476 pass-by-reference argument should have the mode of the argument,
2477 not of the pointer to it.
2479 2001-01-24 Tom Tromey <tromey@redhat.com>
2481 * gcc.texi (G++ and GCC): Mention gcj manual.
2482 (Standards): Link to section of manual mentioning gcj/Java
2485 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2487 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2488 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2489 * tradcpp.c (main): Add -imacros or -include'd dependencies
2491 * cpp.texi (-M, -MM): Document -M -include behaviour.
2493 2001-01-24 Roger Collins <roger@ProProject.com>
2495 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2497 2001-01-24 Will Cohen <wcohen@redhat.com>
2499 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2500 whether registers are 32 bits or 64 bits in size.
2502 2001-01-24 Ben Elliston <bje@redhat.com>
2504 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2506 2001-01-24 Richard Henderson <rth@redhat.com>
2508 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2509 (builtin_longjmp): Use it instead of emit_indirect_jump.
2511 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2513 * bb-reorder.c (make_reorder_chain_1): Handle case where
2514 jump edge goes to the same block as the fallthru edge.
2516 2001-01-23 Jim Wilson <wilson@redhat.com>
2518 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2519 * frame.h (__ia64_personality_v1): Add prototype.
2520 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2521 prototype form. Add void * cast to first argument to personality
2523 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2524 (asctoe113): Likewise.
2525 * config/ia64/frame-ia64.c: Include eh-common.h.
2526 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2528 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2530 (itanium_split_issue): Add prototype.
2531 (gen_nop_type): Ifdef out.
2532 (find_best_packet): Initialize best_packet.
2533 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2535 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2536 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2537 (flushrs): Add explicit stop bit at end.
2538 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2541 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2543 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2545 * libgcc2.c (__terminate_func): Make variable static.
2546 (__terminate_set_func): New function to set __terminate_func.
2547 * libgcc2.h (__terminate_func_ptr): New typedef.
2548 (__terminate_set_func): New function.
2550 2001-01-23 Richard Henderson <rth@redhat.com>
2552 * flow.c (init_propagate_block_info): Don't consider unchanging
2553 memories for dead frame store elimination.
2555 2001-01-23 Richard Henderson <rth@redhat.com>
2557 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2558 * defaults.h: ... here.
2560 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2562 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2564 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2566 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2568 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2570 * rs6000.h (rs6000_return_addr): Move prototype from here...
2571 * rs6000-protos.h (rs6000_return_addr): ...to here.
2572 (rs6000_init_expanders): Delete prototype.
2574 2001-01-23 Nick Clifton <nickc@redhat.com>
2576 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2577 (Spec Files): Document %B and %j and %. and %v3 and %M and
2578 %{S*&T} spec switches.
2580 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2582 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2584 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2585 Neil Booth <neil@daikokuya.demon.co.uk>
2587 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2588 Have -Werror make pedantic warnings errors, like the
2591 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2593 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2595 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2597 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2598 * integrate.c (expand_inline_function): Initialize them.
2599 (subst_constants): If changing COMPARE so that both its arguments
2600 will be VOIDmode and the comparison mode will be lost, note
2601 compare_mode. Use the recorded compare_mode to optimize
2604 2001-01-23 Jason Merrill <jason@redhat.com>
2606 * dwarf2out.c (new_die): Use xcalloc.
2607 (output_die): Abort rather than emit a local reference to offset 0.
2609 2001-01-17 Andrew Haley <aph@redhat.com>
2611 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2612 of a saved register; return NULL instead.
2613 (copy_reg): Take a pointer to a source register rather than a
2615 (next_stack_level): Remember the address in the stack frame of all
2617 Use the saved register pointer array as the source of the CFA.
2618 (throw_helper): Rewrite. Unwind once rather than twice and keep
2619 track of saved registers as we go.
2621 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2623 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2624 * c4x.c (c4x_legitimize_reload_address): Remove.
2625 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2626 reload address for ldp(k) insn.
2628 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2630 * pa.md (return_internal): Add a USE of the PIC register to ensure
2631 it is restored after each call.
2632 (return expander): Corresponding changes.
2634 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2636 * rs6000.h (INIT_EXPANDERS): Delete.
2637 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2638 * rs6000.c (rs6000_override_options): Call *_machine_status from
2640 (rs6000_init_expanders): ...instead of here. Delete.
2641 (rs6000_mark_machine_status): New function.
2642 (rs6000_init_machine_status): Use xcalloc.
2643 (rs6000_return_addr): Generate RTX for the return address.
2644 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2645 (rs6000_stack_info): Use it.
2647 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2649 * gthr-win32.h: Include errno.h to get a declaration for
2650 EINVAL and _mingw.h if the target is mingw32.
2652 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2654 * cpp.texi: Correct typos.
2656 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2658 * explow.c (probe_stack_range): Ensure value passed to
2659 stack_check_libfunc is ptr_mode, not Pmode.
2661 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2663 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2664 case, don't use operand_subword to calculate a SUBREG that is
2667 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2669 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2671 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2672 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2673 valid. If not replace it by equivalent insns.
2675 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2677 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2678 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2679 (c4x_U_constraint, symbolic_address_operand): Likewise.
2680 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2682 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2683 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2684 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2685 anulling slot because of silicon bug.
2686 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2688 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2690 * cppexp.c (parse_charconst): Change `mask' type to agree
2693 2001-01-21 Richard Henderson <rth@redhat.com>
2695 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2696 pic_label_name in a linkonce section.
2698 2001-01-17 Philipp Thomas <pthomas@suse.de>
2700 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2702 * configure: Regenerate.
2704 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2706 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2707 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2709 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2711 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2712 If REVERSE nonzero then condition code in X must be reversed.
2713 (encode_section_info): Optimise if/else.
2714 (avr_function_value): Fix formatting.
2716 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2717 (difficult_branch): Likewise.
2718 (rvbranch): Likewise.
2719 (difficult_rvbranch): Likewise.
2721 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2723 * config/avr/libgcc.S: Fix comment.
2725 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2727 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2729 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2731 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2733 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2735 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2736 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2737 * configure, config.in: Regenerate.
2738 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2739 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2740 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2741 (doprint.o): New rule.
2743 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2745 * c-typeck.c (digest_init): Handle boolean types as scalars.
2747 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2749 * stmt.c (expand_return): Don't return anything if size is zero.
2750 Delete redundant assignment to BYTES.
2751 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2753 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2755 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2756 the same as the default library function names.
2757 * config/avr/avr.md: Document special characters after '%'.
2758 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2759 knowing which of the call-used registers are really clobbered.
2760 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2761 New. Both quotient and remainder from one libgcc.S call.
2762 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2763 clobber as few registers as possible.
2764 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2766 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2768 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2769 context of the top of the stack.
2771 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2773 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2774 (fixup_var_refs_insns): ...here.
2776 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2778 * function.c (fixup_var_refs_insns): Break up into
2779 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2780 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2781 [loop over hash table entries].
2782 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2783 fixup_var_refs_insns_with_hash, to match above changes.
2785 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2787 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2788 (libgcc.a): Likewise.
2789 (stmp-multilib): Likewise.
2790 (STAGE2_FLAGS_TO_PASS): Likewise.
2792 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2794 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2795 temporary if no_new_pseudos.
2797 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2799 * cppinternals.texi: Update.
2801 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2803 * arm.c (arm_init_builtins): Re-enable builtins.
2805 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2807 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2808 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2809 element to be null, and always expect an EXPR_LIST.
2810 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2811 * sched-deps.c (sched_analyze_1): Likewise.
2812 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2814 * regclass.c (max_set_parallel): New variable.
2815 (reg_scan): Take it into account in computation of max_parallel.
2816 (reg_scan_mark_refs, case SET): Compute it.
2818 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2820 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2821 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2823 2001-01-19 Jason Merrill <jason@redhat.com>
2825 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2826 for the abstract instance of an inline function.
2828 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2829 J"orn Rennecke <amylaar@redhat.com>
2831 * reload1.c (move2add_note_store): Treat all registers directly or
2832 indirectly derived from a base register as members of the same set
2834 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2835 of base register into account.
2837 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2839 * alias.c (find_base_value): Recognize TRUNCATE.
2840 (record_set): In PLUS case, invalidate if other summand is also a
2843 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2845 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2846 entry to be EXPR_LIST.
2847 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2848 be an EXPR_LIST (but not null, which other code doesn't allow).
2849 (note_stores): Properly handle PARALLEL in SET.
2850 Recursively call for top-level PARALLEL.
2851 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2852 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2854 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2856 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2858 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2859 not pfile->skipping (== 0).
2861 2001-01-17 Nick Clifton <nickc@redhat.com>
2863 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2866 2001-01-17 Jim Wilson <wilson@redhat.com>
2868 * invoke.texi (IA-64 options): Improve.
2870 2001-01-17 Tom Tromey <tromey@redhat.com>
2872 * invoke.texi (Optimize Options): Use `{}' to around @samp
2875 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2877 * invoke.texi (-fno-guess-branch-probability): New option.
2879 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2881 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2882 case of making new double-word constant.
2883 Revert last change: instead just test i3_subst_into_i2.
2885 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2887 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2888 Use q constraints instead of r.
2890 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2892 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2893 (machine_function): Define.
2894 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2895 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2896 pa_free_machine_status): New functions.
2897 (override_options): Set {init,mark,free}_machine_status to above.
2898 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2899 PIC_OFFSET_TABLE_REGNUM_SAVED.
2900 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2901 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2902 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2903 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2904 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2906 2001-01-15 DJ Delorie <dj@redhat.com>
2908 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2912 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2914 * flow.c (propagate_on_insn): Make trying to delete a prologue
2915 or epilogue insn an ICE, not a warning. Allow doing this if
2916 the current function returns with stack pointer depressed.
2918 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2919 I3 having more than one SET.
2921 2001-01-16 Jim Wilson <wilson@redhat.com>
2923 * invoke.texi: Document IA-64 options.
2925 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2926 (fixup_errata): Delete TARGET_A_STEP use.
2927 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2928 (TARGET_SWITCHES): Delete -ma-step option.
2929 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2930 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2931 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2932 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2933 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2934 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2936 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2937 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2938 cmovsi_internal): Delete ! TARGET_A_STEP check.
2940 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2942 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2943 possibility to report bugs via postal mail. Change a URL and
2944 merge in a nearly duplicate statement...
2945 (Bug Reporting): ...from here.
2946 (Service): Refer to the Bug Reporting section instead of
2948 (Contributing): Remove trivial explanations concerning snapshots.
2950 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2952 * cppmain.c (general_init): Don't use ANSI prototype.
2954 2001-01-16 Tom Tromey <tromey@redhat.com>
2956 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2958 2001-01-16 Richard Henderson <rth@redhat.com>
2960 * config/i386/i386.h: Fix comment typo.
2961 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2962 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2964 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2966 * gcc.c: Revert previous -fsyntax-only-related change; move
2969 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2971 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2972 inmode after checking GET_CODE (op).
2974 2001-01-16 Richard Henderson <rth@redhat.com>
2976 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2977 (MAX_MEM_SET_LIST_LEN): New.
2978 (propagate_one_insn): Update mem_set_list_len.
2979 (invalidate_mems_from_autoinc): Likewise.
2980 (invalidate_mems_from_set): Likewise.
2981 (mark_used_regs): Likewise.
2982 (init_propagate_block_info): Likewise. Stop collecting memories
2983 when we reach MAX_MEM_SET_LIST_LEN.
2984 (mark_set_1): Likewise.
2986 2001-01-16 Richard Henderson <rth@redhat.com>
2988 * unroll.c (precondition_loop_p): Fail if no iteration
2991 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2993 * gcc.c: When -fsyntax-only is given, do not complain about
2996 2001-01-15 Richard Henderson <rth@redhat.com>
2998 * config/i386/i386.c (asm_output_function_prefix): Remove.
2999 (ix86_asm_file_end): New.
3000 (load_pic_register): Generate pic_label_name into a
3001 staticly allocated buffer.
3002 * config/i386/i386-protos.h: Update.
3003 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3004 (ASM_FILE_END): New.
3005 * config/i386/i386afe.h: New file.
3006 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3007 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3008 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3009 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3010 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3011 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3012 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3014 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3016 * Makefile.in (install-man): Remove explicit dependency on
3019 * configure.in, configure: Revert previous patch requiring perl
3022 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3024 * toplev.c (flag_guess_branch_prob): New.
3025 (f_options): Add guess-branch-probability option.
3026 (rest_of_decl_compilation): Only estimate branch probability if
3028 (main): set flag_guess_branch_prob.
3030 * flags.h (flag_guess_branch_prob): New.
3032 2001-01-15 DJ Delorie <dj@redhat.com>
3034 * gcc.texi (Makefile): Add documentation for Makefile targets.
3036 2001-01-15 Philip Blundell <philb@gnu.org>
3038 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3040 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3041 (is_pic): Delete declaration.
3042 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3043 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3044 * config/arm/arm.md (builtin_setjmp_receiver): New.
3046 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3048 * arm.c (use_return_insn): Don't try to determine the function type
3049 until after reload has completed.
3050 (arm_output_epilogue): Don't adjust the sp value recovered from the
3052 (emit_multi_reg_push): Don't record dwarf information for the pc.
3053 * arm.md (eh_epilogue): The function type may have changed, so it
3054 needs to be recalculated.
3055 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3056 unwind tables on arm/netbsd.
3058 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3060 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3061 (negated_cbranchsi4): Likewise.
3063 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3065 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3066 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3067 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3068 pass -mapcs-* options to assembler.
3069 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3070 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3071 (ASM_SPEC): Call subtarget_extra_asm_spec.
3073 2001-01-15 Andreas Jaeger <aj@suse.de>
3075 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3077 (ix86_expand_builtin): Likewise.
3079 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3080 warning about comparison between signed and unsigned.
3082 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3084 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3086 2001-01-14 Ralf Baechle <ralf@gnu.org>
3088 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3089 SUBTARGET_CPP_SPEC apropriatly.
3091 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3093 * varasm.c (make_decl_rtl): Fix typo in last change.
3095 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3097 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3098 linker supports the init_priority C++ attribute.
3099 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3100 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3101 linker does not support init_priority C++ attribute.
3103 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3105 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3107 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3109 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3110 * cp/lex.c (finish_parse): Similarly.
3111 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3112 Return the number of errors encountered.
3113 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3114 * cppmain.c (main): Don't call cpp_destroy.
3116 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3118 * configure.in: Require at least perl 5.6.0 to regenerate
3120 * configure: Regenerate.
3122 2001-01-14 Richard Henderson <rth@redhat.com>
3124 * genrecog.c (DT_veclen_ge): New.
3125 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3126 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3127 (nodes_identical_1): Handle DT_veclen_ge.
3128 (write_cond, debug_decision_2): Likewise.
3130 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3132 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3134 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3136 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3138 * cppmain.c (do_preprocessing): New function; most of the old
3140 (main): Call it to do most of the work.
3141 (cb): Move from global scope to set_callbacks ().
3142 (setup_callbacks): Get the callback pointer.
3143 (general_init, printer_init): Clean up code and comments.
3145 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3147 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3150 2001-01-14 Kazu Hirata <kazu@hxi.com>
3152 * config/h8300/h8300.c (get_shift_alg): Update comments.
3154 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3156 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3157 (alloc_page, ggc_alloc): Add casts to remove warnings.
3159 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3161 * combine.c (simplify_comparison): Don't change `code' when
3162 can't reverse comparison.
3164 2001-01-14 Richard Henderson <rth@redhat.com>
3166 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3167 update all call sites. Return true for all non-label constants.
3169 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3171 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3173 (ix86_expand_branch): Update.
3174 (ix86_expand_setcc): Update to handle multiple test conditions.
3175 (expand_int_movcc): Likewise.
3176 (expand_fp_movcc): Likewise.
3177 * i386-protos.h (ix86_expand_compare): New.
3178 * i386.md (andqi_?_slp, orqi_?_slp): New.
3179 (conditional trap expander): Update call to ix86_expand_compare.
3181 2001-01-14 Richard Henderson <rth@redhat.com>
3183 * config/vax/vax.md: Use nonimmediate_operand instead of
3184 general_operand in destinations.
3186 * config/vax/vax.md (indirect_jump): Use register_operand.
3188 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3189 * config/vax/vax.md (call_pop): Turn into an expander.
3190 (call_value_pop): Likewise.
3191 (call, call_value): New.
3193 2001-01-14 Andreas Jaeger <aj@suse.de>
3195 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3197 (ix86_fp_compare_mode): Add unused attribute.
3198 (ix86_expand_fp_movcc): Remove unused variable.
3199 (ix86_expand_builtin): Make fcode unsigned.
3201 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3202 (expand_expr): Add cast to avoid signed warning.
3203 (store_field): Likewise.
3204 (store_constructor_field): Likewise.
3205 (store_constructor): Likewise.
3206 (store_expr): Likewise.
3207 (clear_storage): Likewise.
3208 (emit_group_store): Likewise.
3209 (emit_group_load): Likewise.
3211 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3213 * c-common.c: Move format checking code to ...
3214 * c-format.c: ... here. New file. Reorder some functions and
3216 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3218 * c-common.h (decl_handle_format_attribute,
3219 decl_handle_format_arg_attribute): Declare.
3220 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3221 (c-common.o): Adjust dependencies.
3222 (c-format.o): New list of dependencies.
3224 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3226 * unroll.c (loop_iterations): If we cannot prove iteration variable
3227 is set once in each iteration, punt.
3229 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3231 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3232 (*strlenhi): Remove clobber (which was buggy) of output address.
3234 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3236 * Makefile.in (generated-manpages): Add gcc.1
3237 ($(srcdir)/gcc.1): New target.
3238 (maintainer-clean): Delete $(srcdir)/gcc.1.
3239 * gcc.texi: Add macros @gccoptlist and @gol.
3240 * invoke.texi: Include option summary in manpage. Mark up option
3241 summary with @gccoptlist and @gol. Use @r in one place where
3243 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3244 * gcc.1: Generate from invoke.texi.
3246 2001-01-13 Richard Henderson <rth@redhat.com>
3248 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3249 (struct page_entry): Add group member.
3250 (struct page_group): New.
3251 (struct globals): Add page_groups member.
3252 (alloc_anon): Only define for using mmap; remove valloc call.
3253 (page_group_index): New.
3254 (set_page_group_in_use): New.
3255 (clear_page_group_in_use): New.
3256 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3257 (free_page, release_pages): Likewise.
3258 * configure.in (with-gc): Default to ggc-page always.
3260 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3262 * reload1.c (replace_pseudos_in_call_usage): Use
3263 reg_equiv_constant and reg_equiv_address, and don't try
3264 regno_reg_rtx first.
3266 2001-01-13 Richard Henderson <rth@redhat.com>
3268 * ggc-page.c (alloc_page): Round up allocation size to one page.
3269 Set e->order on extra pages.
3271 2001-01-13 Richard Henderson <rth@redhat.com>
3273 * genrecog.c (nodes_identical): Expand commentary.
3274 (write_switch): Watch out for identical nodes.
3276 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3278 * cppfiles.c (_cpp_fake_include): New function.
3279 * cpphash.h (_cpp_fake_include): New.
3280 * cpplib.c (do_line): Call _cpp_fake_include when entering
3281 header files in preprocessed input.
3282 * cppmain.c (cb_pragma_implementation): Remove handling.
3283 (setup_callbacks): Don't register pragmas.
3285 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3287 * extend.texi: Udate for CPP.
3289 2001-01-13 Andreas Jaeger <aj@suse.de>
3291 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3293 * regmove.c: Add prototype for replace_in_call_usage.
3295 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3297 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3298 struct cpp_chunk, struct htab, struct toklist,
3299 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3300 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3301 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3302 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3303 (struct macro_args): Delete.
3304 * cpphash.h: See above.
3306 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3308 * cppmain.c (struct printer): Remove no_line_dirs.
3310 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3311 : Use options rather than CPP_OPTION.
3312 (setup_callbacks): Use cb rather than pfile->cb.
3313 (main): No need to check for a buffer. Use cpp_errors.
3314 (printer_init): Don't set no_line_dirs.
3315 (maybe_print_line): Use options not no_line_dirs.
3316 (cb_file_change): Don't call print_line if -P.
3318 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3320 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3322 * c-parse.in (finish_parse): Use cpp_errors.
3323 (__yylex): Use return value of cpp_pop_buffer.
3324 * cp/lex.c (finish_parse): Use cpp_errors.
3325 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3327 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3329 * README.AVR: URLs corrected.
3331 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3333 * c-decl.c (start_function): Don't warn if old prototype is builtin
3334 that's not in C's namespace.
3335 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3336 (_bb): Add prototype for ctime.
3337 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3339 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3341 * i386.c (ix86_fp_comparison_arithmetics_cost,
3342 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3343 ix86_fp_comparison_cost): New functions.
3344 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3345 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3346 two-branch sequences; make static.
3347 (ix86_use_fcomi_compare): Do decision according to the costs.
3348 (split_fp_branch): New.
3349 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3350 * i386-protos.h (ix86_expand_fp_compare): Remove
3351 (ix86_split_fp_branch): Declare.
3353 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3354 and ix86_comparison_operator.
3356 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3359 * i386.c (put_condition_code): Output properly the unordered/ordered
3360 compares in fp case.
3361 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3363 * tm.texi (REVERSE_CONDITION): Document.
3364 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3365 in -ffast-math mode.
3366 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3368 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3370 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3372 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3375 * config/sh/sh.c (mova_p): Fix test for mova_const.
3377 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3379 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3380 cpp_get_options rather than dereferencing pfile and using
3382 * scan-decls.c (scan_decls): Use return value of
3383 cpp_pop_buffer rather than CPP_BUFFER.
3385 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3387 * cppinit.c (cpp_handle_option): help_only is now part of the
3388 cpp_options structure.
3389 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3390 cpp_set_callbacks): New functions.
3391 * cpplib.h (cpp_callbacks): Break out as a named structure.
3392 (cpp_options): Move help_only here from cpp_reader.
3393 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3394 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3395 cpp_set_callbacks): New prototypes.
3396 * cppmain.c (main): Update for help_only.
3398 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3400 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3401 Also build and remove and install and uninstall c-tree.info and
3403 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3404 ($(srcdir)/cppinternals.info): New target.
3405 * c-tree.texi: Change file name used when makeinfo used without -o
3406 from ir.info to c-tree.info. Add info directory entry.
3407 * cppinternals.texi: Add info directory entry.
3408 * .cvsignore: Update.
3410 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3412 * c-typeck.c (store_init_value): Don't require constant initializer
3413 elements with -pedantic -std=c99.
3414 (digest_init): Change error about non-constant initializer elements
3416 (constructor_range_end): Remove.
3417 (constructor_incremental, designator_depth,
3418 designator_errorneous): New variables.
3419 (struct constructor_stack): Remove range_end, add incremental.
3420 (struct constructor_range_stack, constructor_range_stack): New.
3421 (struct initializer_stack): Add constructor_range_stack.
3422 (finish_init): Set it.
3423 (start_init): Likewise. require_constant_elements for non-static
3424 trees only if not flag_isoc99.
3425 (really_start_incremental_init): Remove constructor_range_end, add
3426 constructor_incremental.
3427 (pop_init_level): Likewise.
3428 (push_init_level): Likewise. If implicit and the subobject had some
3429 value set already, preinitialize the level with it.
3430 Warn about missing braces only if not pushing due to designators.
3431 (set_designator, push_range_stack): New functions.
3432 (set_init_label): Use them.
3433 (set_init_index): Likewise. Remove constructor_range_end.
3434 Error if designator index is outside of array bounds.
3435 (add_pending_init): Compare values of purpose index trees, not the
3436 trees themselves. Allow overwriting of already initialized element.
3437 Issue a warning if it had side-effects.
3438 (set_nonincremental_init, set_nonincremental_init_from_string): New
3440 (pending_init_member): Rename to...
3441 (find_init_member): ...this function. Call set_nonincremental_init
3442 if necessary. Compare values of purpose index trees, not the trees
3443 themselves. Return the actual value, not just non-zero if something
3445 (output_init_element): Remove checks for duplicates.
3446 If field has zero size, only check the initializer for correctness.
3447 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3448 if constructor_incremental is zero. Change error about initializers
3449 not computable at load time into pedwarn.
3450 (output_pending_init_elements): Compare bit positions, not
3451 FIELD_DECLs to take into account zero-sized fields.
3452 (process_init_element): Use constructor_range_stack to fill all
3453 ranges in the designator lists from current level up.
3454 * extend.texi: Update documentation for labeled elements.
3456 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3458 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3459 to function usage for arguments passed by reference. Optimize
3460 callee-copied arguments.
3461 * regmove.c (replace_in_call_usage): New function.
3462 (fixup_match_1): Call it.
3463 * cse.c (cse_insn): Canonicalize registers in function usage.
3464 * reload1.c (replace_pseudos_in_call_usage): New function.
3467 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3470 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3472 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3475 2001-01-12 DJ Delorie <dj@redhat.com>
3477 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3478 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3481 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3483 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3484 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3485 -std options alongside references to -ansi. Update some
3486 documentation for C99.
3487 * cpp.1: Regenerate.
3489 2001-01-12 Andreas Jaeger <aj@suse.de>
3491 * haifa-sched.c (restore_line_notes): Remove argument block B
3493 * sched-ebb.c (schedule_ebb): Change caller.
3494 * sched-rgn.c (schedule_region): Likewise.
3495 * sched-int.h (restore_line_notes): Adjust prototype.
3497 * loop.h: Remove wrong declaration of doloop_condition_get.
3499 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3501 * extend.texi: Move C++-extension-related node from the C section
3502 into the C++ section.
3504 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3506 * extend.texi: Refer to an array of pointers to functions instead
3507 of one of functions.
3509 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3510 Jan Hubicka <jh@suse.cz>
3512 * combine.c (reversed_comparison): Fix typo in last patch.
3514 (combine_reversed_comparison_code): Make static to follow
3515 prototype declaration.
3517 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3519 * install.texi: Remove misplaced duplicate entry.
3521 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3523 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3525 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3527 * final.c: (leaf_function_p): Fix typo.
3529 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3531 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3532 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3534 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3535 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3536 mmap_anon, and valloc is available.
3537 * ggc-page.c: Restructure ifdef logic to match new autoconf
3538 spec. Don't throw away the test page in init_ggc.
3540 * configure, config.in: Regenerate.
3542 2001-01-12 Michael Hayes <mhayes@redhat.com>
3544 * loop.h (total_biv_increment): Constify iv_class pointer.
3545 (struct induction): Replace `mem_mode' with `mem' rtx.
3546 * unroll.c (total_biv_increment): Constify iv_class pointer.
3547 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3548 (find_mem_givs, combine_givs_p): Likewise.
3549 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3551 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3553 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3555 (__gthread_getspecific): Ditto.
3557 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3559 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3560 put_condition_code): Convert fp comparison codes to integer
3562 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3565 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3566 * i386-protos.h (no_comparison_operator): Kill.
3568 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3570 * combine.c (REVERSIBLE_CC_MODE): Remove.
3571 (reversible_comparison_p): Remove.
3572 (combine_reversed_comparison_code): New.
3573 (reversed_comparison): New.
3574 (combine_simplify_rtx): Use
3575 combine_reversed_comparison_code/reversed_comparison instead
3576 of reversible_comparison_p.
3577 (simplify_if_then_else): Likewise.
3578 (simplify_set): Likewise.
3579 (simplify_logical): Likewise.
3580 (if_then_else_cond): Likewise.
3581 (known_cond): Likewise.
3582 (simplify_comparison): Likewise.
3584 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3586 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3587 sizeof (int) is larger than sizeof(__word__).
3589 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3591 * cppinit.c (do_includes): Fix typo.
3593 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3595 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3596 in S_REGS does not occur because not all sources are possible
3597 when a S_REGS is a destination (sometimes needs a clobber).
3598 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3599 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3600 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3601 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3602 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3603 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3604 (lshrdi_const1, lshrsi3_const16): Likewise.
3605 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3606 (*movhi_68hc12, *movqi_68hc12): Likewise.
3607 (movstrictqi): Make sure reloading in D_REGS as a destination
3610 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3612 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3614 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3616 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3617 -D, -U and -A, and don't initialize the builtins.
3618 (do_includes): Error if -include or -imacros with -fpreprocessed.
3619 * cppmain.c (cb_define, cb_undef): Unconditionally process
3621 * tradcpp.c (main): Fix typo.
3623 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3625 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3626 (read_name_map): Use IS_ABSOLUTE_PATH.
3627 * tradcpp.c (get_filename): Likewise.
3629 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3631 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3632 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3633 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3634 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3635 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3636 (cmphi_z_used): Don't use '@' for the output.
3637 (tstqi_z_used): Likewise.
3638 (cmpqi_z_used): Likewise.
3639 (one_cmplsi2): Likewise.
3641 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3643 * config/sh/sh.c (barrier_align): Recognize branch around far
3644 branch and redundant insn.
3646 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3648 * invoke.texi: Restore documentation of the drivers' switches -MD
3651 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3653 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3655 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3656 check-objc//%): Support parallel testing of multilibs.
3657 (TESTSUITEDIR): Set to testsuite by default, but override for
3659 (check-gcc, check-g++, check-g77, check-objc): Enter
3662 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3664 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3665 * sched-deps.c (deps_may_trap_p): Likewise.
3666 * basic-block.h: Remove a comment.
3667 * flow.c (PROP_POSTRELOAD): Remove.
3668 (update_life_info): Don't add it to prop_flags.
3669 (mark_set_1): Lose the code that was enabled by it.
3671 2001-01-11 Michael Hayes <mhayes@redhat.com>
3673 * flow.c (flow_call_edges_add): New.
3674 * basic_block.h (flow_call_edges_add): New.
3676 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3678 * reload1.c (move2add_note_store): Update reg_set_luid even if
3679 base reg remains the same.
3681 2001-01-10 Nick Clifton <nickc@redhat.com>
3683 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3684 machine_function structure to zero.
3685 Add prototypes for machine_status functions.
3687 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3689 * c-common.h (CTI_VOID_LIST): Remove.
3690 (void_list_node): Likewise.
3691 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3692 (void_list_node): New macro.
3693 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3694 * config/i386/i386.c (ix86_init_builtins): Likewise.
3695 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3697 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3699 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3700 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3702 * tradcpp.c: Include mkdeps.h.
3703 (deps, print_deps_phony_targets, deps_append, output_deps,
3704 init_dependency_output, output_deps): New.
3705 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3706 deps_output): Delete.
3707 (print_deps_missing_files): Rename deps_missing_files.
3708 (inhibit_output): Make global.
3709 (main): Delete inhibit_output, deps_stream, deps_target.
3710 Use mkdeps functionality in the same way as cpplib. Remove
3711 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3712 -M and -MM. Remove old handling of deps via deps_out, and
3713 old reading of environment variables.
3714 (get_filename): Update to use deps_add_dep.
3716 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3718 * output.h (make_function_rtl): Remove prototype.
3719 (make_decl_rtl): Likewise.
3720 * varasm.c (make_function_rtl): Remove.
3721 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3722 than from a third parameter.
3723 * tree.h (make_decl_rtl): Remove last parameter.
3724 * c-decl.c (builtin_function): Remove last argument in call to
3725 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3726 (start_function): Likewise.
3727 * except.c (call_get_eh_context): Likewise.
3728 * expr.c (emit_block_move): Likewise.
3729 (clear_storage): Likewise.
3730 * profile.c (output_func_start_profiler): Likewise.
3731 * toplev.c (rest_of_decl_compilation): Likewise.
3732 * objc/objc-act.c (create_builtin_decl): Likewise.
3733 (synth_module_prologue): Likewise.
3734 (generate_static_reference): Likewise.
3735 (build_selector_reference_decl): Likewise.
3736 (build_class_reference_decl): Likewise.
3737 (build_objc_string_decl): Likewise.
3738 (build_protocol_reference): Likewise.
3740 2001-01-10 Richard Henderson <rth@redhat.com>
3742 * hwint.h: Revert yesterday's change.
3744 2001-01-10 Nick Clifton <nickc@redhat.com>
3746 * function.h (save_machine_status): Delete.
3747 (restore_machine_status): Delete.
3748 Amend comment describing {init|mark|free}_machine_status.
3750 * function.c (save_machine_status): Delete.
3751 (restore_machine_status): Delete.
3752 Amend comment describing {init|mark|free}_machine_status.
3753 (push_function_context_to): Remove invocation of
3754 save_machine_status.
3755 (pop_function_context_from): Remove invocation of
3756 restore_machine_status.
3758 * emit-rtl.c (init_emit_once): Amend comment describing
3759 {init|mark|free}_machine_status.
3761 * tm.texi (Per-Function Data): New node. Describe the
3762 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3765 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3767 * cppinit.c (OPT_g): Remove.
3768 (cpp_handle_option): Update for removed -g3.
3769 (print_help): Update.
3770 * cpplib.h (struct cpp_options): Remove debug_output.
3771 * cppmain.c (setup_callbacks, cb_define): Update.
3772 * gcc.c (cpp_options): Translate -g3 to -dD.
3774 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3776 * config/i960/i960.md: Change modifier to + on the zero_extract
3777 pattern after the (rotate -2 reg) canonicalization pattern.
3779 2001-01-10 Richard Henderson <rth@redhat.com>
3781 * config/alpha/alpha.c (alpha_free_machine_status): New.
3782 (override_options): Install it.
3783 (alpha_mark_machine_status): Verify machine non-null.
3784 * config/i386/i386.c (ix86_free_machine_status): New.
3785 (override_options): Install it.
3786 (ix86_init_machine_status): Use xcalloc.
3787 (ix86_mark_machine_status): Verify machine non-null.
3788 * config/ia64/ia64.c (ia64_free_machine_status): New.
3789 (ia64_override_options): Install it.
3790 (ia64_mark_machine_status): Verify machine non-null.
3792 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3794 * function.c (instantiate_virtual_regs): Instantiate virtual
3795 registers found in CALL_INSN_FUNCTION_USAGE.
3797 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3799 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3800 equivalent to -ansi in disabling -Di386.
3802 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3804 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3806 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3808 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3810 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3812 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3814 * invoke.texi: Document that -fcond-mismatch isn't supported for
3817 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3819 * gcc.texi: Define macro gcctabopt.
3820 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3821 @command, @env and @option in some places where appropriate. Use
3822 @gcctabopt where appropriate. Put URLs and email addresses inside
3825 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3827 * gcc.c (cpp_options): Set MD file name from output
3828 filename, if specified.
3829 (suffix_subst): New static variable.
3830 (do_spec): Clear it.
3831 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3833 (give_switch): Handle suffix_subst.
3835 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3837 * invoke.texi: Fix another typo.
3839 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3841 * invoke.texi: Fix typo.
3843 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3845 * c-lang.c (lang_hooks): Update.
3846 (lang_decode_option): Remove.
3847 (lang_init_options): Rename c_init_options.
3848 * toplev.c (main): Use lang_hooks for lang_init_options
3849 and lang_decode_option.
3850 * toplev.h (lang_hooks): Add 2 new hooks.
3851 * tree.h: Remove lang_init_options and lang_decode_option.
3852 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3853 * cp/decl2.c: Similarly.
3854 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3855 (lang_hooks): Update.
3856 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3858 (lang_init_options): Rename ffe_init_options.
3859 (lang_hooks): Update.
3860 (lang_decode_option): Remove.
3861 * java/lang.c (lang_init_options): Rename java_init_options.
3862 (lang_decode_option): Rename java_decode_option.
3863 (lang_hooks): Update.
3864 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3865 (lang_decode_option): Rename objc_decode_option.
3866 (lang_hooks): Update.
3868 2001-01-09 Nick Clifton <nickc@redhat.com>
3870 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3871 (d30v_return_addr_rtx): Delete.
3872 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3873 cfun->machine structure.
3874 (struct machine_function): Move to d30v.h
3875 (d30v_save_machine_status): Delete.
3876 (d30v_restore_machine_status): Delete.
3877 (d30v_init_machine_status): New Function.
3878 (d30v_mark_machine_status): New Function.
3879 (d30v_free_machine_status): New Function.
3880 (d30v_init_expanders): Use new functions.
3881 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3882 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3883 d30v_return_addr_rtx.
3885 * config/d30v/d30v.h (struct_machine): Move here.
3886 Add eh_epilogue_sp_ofs field.
3888 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3889 field in cfun->machine structure.
3891 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3893 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3894 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3895 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3897 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3899 * objc/lang-options.h: Remove bogus reference to
3902 2001-01-09 Kazu Hirata <kazu@hxi.com>
3904 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3907 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3909 * reload.c (find_reloads_address): Check for eliminable registers
3910 when substituting a constant expression for a pseudo.
3912 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3914 * c-common.c (enum format_type): Add format_type_error.
3915 (decode_format_type): New function.
3916 (decl_attributes): Use it.
3917 (format_kind_info): Adjust comment.
3919 2001-01-09 David O'Brien <obrien@BSDi.com>
3921 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3922 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3924 * config/i386/gnu.h: Don't include required platform specific .h files,
3925 tm.h will do it instead.
3926 * config/i386/i386elf.h: Likewise.
3927 * config/i386/linux.h: Likewise.
3928 * config/i386/moss.h: Likewise.
3929 * config/mips/gnu.h: Likewise.
3931 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3933 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3934 (rs6000-ibm-aix3.[01]*): Likewise.
3935 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3936 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3937 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3938 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3939 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3940 (powerpc-*-eabiaix*): Likewise.
3941 (powerpc-*-eabisim*): Likewise.
3942 (powerpc-*-elf*): Likewise.
3943 (powerpc-*-eabi*): Likewise.
3944 (powerpc-*-rtems*): Likewise.
3945 (powerpc-*-linux*libc1): Likewise.
3946 (powerpc-*-linux*): Likewise.
3947 (powerpc-wrs-vxworks*): Likewise.
3948 (powerpcle-wrs-vxworks*): Likewise.
3949 (powerpcle-*-sysv*): Likewise.
3950 (powerpcle-*-elf*): Likewise.
3951 (powerpcle-*-eabisim*): Likewise.
3952 (powerpcle-*-eabi*): Likewise.
3953 (powerpcle-*-solaris2*): Likewise.
3954 * config/rs6000/aix31.h: Delete includes.
3955 * config/rs6000/aix3newas.h: Likewise.
3956 * config/rs6000/aix41.h: Likewise.
3957 * config/rs6000/aix43.h: Likewise.
3958 * config/rs6000/beos.h: Likewise.
3959 * config/rs6000/rtems.h: Likewise.
3960 * config/rs6000/sysv4.h: Likewise.
3962 2001-01-09 Kazu Hirata <kazu@hxi.com>
3964 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3965 Change an argument mode of machine_mode to shift_mode of
3966 shift_mode. Remove an extra error check.
3967 (emit_a_shift): Adopt to the new calling prototype of
3969 (function_prologue): Fix code for a monitor
3970 function. Support H8/S.
3971 (function_epilogue): Do not output pop for a monitor function.
3973 2001-01-09 Nick Clifton <nickc@redhat.com>
3975 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3976 (setup_incoming_varargs): Use sysv_varargs_p field of the
3977 cfun->machine structure.
3978 (struct machine_function): Move to rs6000.h
3979 (rs6000_save_machine_status): Delete.
3980 (rs6000_restore_machine_status): Delete.
3981 (rs6000_init_machine_status): New Function.
3982 (rs6000_free_machine_status): New Function.
3983 (rs6000_init_expanders): Use new functions.
3985 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3987 (struct machine_function): Move here.
3989 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3990 sysv_varargs_p field of the cfun->machine structure.
3992 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3994 (rs6000_restore_machine_status): Remove prototype.
3996 2001-01-09 Richard Henderson <rth@redhat.com>
3998 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3999 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4000 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4001 (sched_analyze_2, sched_analyze_insn): Likewise.
4002 (sched_analyze, init_deps): Likewise.
4003 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4004 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4005 (compute_block_backward_dependences): Update propagate_deps call.
4007 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4009 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4011 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4013 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4014 (cpp_handle_option): Handle them.
4015 (cpp_post_options): Ensure one of -M or -MM is specified with
4016 any other -M? option.
4017 (init_dependency_output): Suppress output with -MG.
4019 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4022 * invoke.texi: Update.
4024 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4026 * sh.md (reload_outsf): Generate recognizable patterns for
4029 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4031 * c-lang.c (lang_hooks): Update.
4032 (lang_init): Rename c_init.
4033 (lang_finish): Remove.
4034 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4036 * toplev.h (lang_hooks): Add init () and finish ().
4037 * tree.h (lang_init, lang_finish): Remove.
4038 * cp/tree.h (lang_init, lang_finish): Remove.
4039 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4040 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4042 (lang_init, lang_finish): Remove.
4043 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4044 (lang_hooks): Update.
4045 * java/lang.c (lang_init): Rename java_init.
4046 (lang_finish): Remove.
4047 (lang_hooks): Update.
4048 * objc/objc-act.c (lang_init): Rename objc_init.
4049 (lang_finish): Remove.
4050 (lang_hoooks): Update.
4052 20001-01-09 Graham Stott <grahams@redhat.com>
4054 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4055 after `ptr` is initialised.
4057 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4059 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4060 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4061 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4062 stack adjusts, instead of r3.
4064 2001-01-09 Michael Hayes <mhayes@redhat.com>
4066 * flow.c (flow_loop_scan): Break out of ...
4067 (flow_loops_find) ... here.
4068 * basic-block.h (flow_loop_scan): New.
4069 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4070 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4072 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4074 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4076 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4077 realloc()ing macro_buffer.
4079 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4080 if it's wider than long and the target's long is wider than the
4083 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4085 Remove support for using UWIN as a host machine.
4086 * configure.in: Issue an error message.
4087 * configure: Regenerated.
4088 * config.gcc: Remove xm_* UWIN configury.
4089 * config/i386/xm-uwin.h: Remove.
4091 2001-01-08 Nick Clifton <nickc@redhat.com>
4093 * config/v850/v850.c (ra_rtx): Delete.
4094 (v850_save_machine_status): Delete.
4095 (v850_restore_machine_status): Delete.
4096 (v850_init_machine_status): New function.
4097 (v850_mark_machine_status): New function.
4098 (v850_free_machine_status): New function.
4099 (v850_return_addr): Use ra_rtx field in machine structure.
4100 (v850_init_expanders): Use new functions.
4102 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4103 * config/v850/v850.c: Change arguments to v850_output+* functions
4104 to take a const char *, to avoid compile time warning.
4105 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4106 (USER_LABEL_PREFIX): Redefine.
4108 2000-01-08 Jim Wilson <wilson@redhat.com>
4110 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4111 1 to unsigned HOST_WIDE_INT before left shift.
4113 2001-01-08 Nick Clifton <nickc@redhat.com>
4115 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4116 the machine structure has been allocated.
4117 (arm_free_machine_status): New function: Free the machine
4118 specific function structure.
4120 2001-01-08 Richard Henderson <rth@redhat.com>
4122 * jump.c (simplejump_p): Revert last change.
4124 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4126 * cppinit.c (init): Rename init_library.
4127 (cpp_create_reader): Update.
4128 * gcc.c (cpp_options): If -o given, use it as the target of
4131 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4133 * arm.c (arm_arch5e): New variable.
4134 (all_cores): XScale is a 5TE device.
4135 (arm_override_options): Set arm_arch5e.
4136 (arm_init_builtins): __builtin_prefetch is in arch5e.
4137 * arm.h (arm_arch5e): Declare it.
4139 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4141 * arm.md (define_constants): Add defines for UNSPEC and
4142 UNSPEC_VOLATILE insns. Update all users.
4143 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4144 * arm.c (multi_register_push, note_invalid_constants)
4145 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4146 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4147 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4149 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4151 * jump.c (jump_optimize_1): Use reversed_comparison_code
4152 instead of can_reverse_comparison_p.
4153 (jump_back_p): Likewise.
4154 (invert_exp_1): Likewise.
4155 (thread_jumps): Likewise.
4156 * simplify-rtx.c (simplify_unary_operation): Likewise.
4157 (simplify_ternary_operation): Likewise.
4158 * cse.c (find_comparison_args): Convert to use
4159 can_reverse_comparison_p.
4160 (record_jump_equiv): Likewise.
4162 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4164 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4165 (EPILOGUE_USES): Define.
4166 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4167 automatically stack the LR if it isn't live.
4169 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4171 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4174 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4176 * ggc-page.c (max_alignment): New structure.
4177 (MAX_ALIGNMENT): New macro.
4178 (init_ggc): Use it to round up the sizes in the
4179 extra_order_size_table.
4181 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4183 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4186 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4188 * builtins.def (BUILT_IN_FPRINTF): New entry.
4190 * c-common.c (c_expand_builtin_fprintf): New function.
4191 (init_function_format_info): Handle __builtin_fprintf.
4192 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4193 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4195 * c-decl.c (duplicate_decls): Adjust comment.
4197 * extend.texi (fprintf): Document new builtin.
4199 2001-01-07 Richard Henderson <rth@redhat.com>
4201 * jump.c (simplejump_p): Recognize any single_set jump
4204 2001-01-07 Richard Henderson <rth@redhat.com>
4206 * configure.in (slibdir): Accept an --with-slibdir option.
4207 Use "test" not "[" in configure. Default to $(libdir).
4209 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4211 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4212 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4213 (SHLIB_LINK): Create links for the soname.
4214 * config/mips/t-iris6: Likewise.
4215 * config/sparc/t-slibgcc: Likewise.
4216 * config/sparc/t-slibgcc-sld: Likewise.
4218 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4220 * config/i386/i386.c (constant_call_address_operand): Accept
4221 (const (plus (symbol_ref) (const_int))).
4222 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4223 constant_call_address_operand.
4225 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4227 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4228 and LONG_LONG_TYPE_SIZE > 32.
4230 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4232 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4233 the previous change.
4235 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4237 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4239 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4240 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4241 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4244 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4246 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4248 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4250 * c-lang.c (c_post_options): Call cpp_post_options.
4251 * objc/objc-act.c (objc_post_options): Similarly.
4252 * cppmain.c (main): Similarly.
4253 * fix-header.c (read_scan_file): Similarly.
4254 * cppinit.c (cpp_start_read): Move option consistency checks
4255 to cpp_post_options. Don't call init_dependency_output.
4256 If needed, add default target and main file dependency.
4257 (OPT_MD, OPT_MMD): Remove.
4259 (cpp_handle_option): Update for OPT_* changes.
4260 (cpp_post_options): New.
4261 (init_dependency_output): Command line -MF overrides environment
4262 variables. Don't set default target etc. Suppress output
4263 if dependencies are going to stdout.
4264 (print_help): Update.
4265 * cpplib.h (cpp_post_options): New.
4266 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4268 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4270 * jump.c (comparison_dominates_p): Support unordered compares.
4272 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4274 * simplify-rtx.c (simplify_relational_operation): Always simplify
4275 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4278 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4280 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4281 (nonzero_bits): Likewise.
4282 (simplify_comparison): Likewise.
4283 (num_sign_bit_copies): Likewise; return more sane value depending
4284 on STORE_FLAG_VALUE.
4285 (known_cond): Do not assume EQ to be always true for equivalent
4288 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4290 * cse.c (fold_rtx): Handle unordered comparisons.
4292 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4294 * rtlanal.c (set_of_1): New static function.
4295 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4296 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4297 reg_set_last_last_regno): Remove.
4298 (set_of): New global function.
4299 (set_of_data): New structure.
4300 (reg_set_p, reg_set_last): Revamp for set_of.
4301 * rtl.h (set_of): New.
4303 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4305 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4306 * extend.texi: Document _Exit builtin.
4308 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4310 * (initialize, initialize_builtins,
4311 initialize_dependency_output, initialize_standard_includes):
4312 Rename s/initialize/init. Update.
4313 (init_dependency_output): Move to after
4314 cpp_handle_options, the correct location temporally at least.
4315 (opt_comp): Move next to init (), its caller. Fix prototype.
4316 (init): Make "initialized" local scope.
4317 (cpp_create_reader): Always call init ().
4318 (cpp_start_read): Update.
4319 (output_deps): New function, broken out of cpp_finish.
4320 (cpp_finish): Break out output_deps.
4322 2001-01-07 Richard Henderson <rth@redhat.com>
4324 * collect2.c (COFF specific stuff): Revert 12-06 patch
4325 to prototype system functions.
4327 2001-01-07 Michael Hayes <mhayes@redhat.com>
4329 * hard-reg-set.h: Add multiple include guard.
4330 * basic-block.h (struct loop): Add `sink' field.
4331 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4332 (emit_iv_add_mult): Delete.
4333 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4334 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4335 (unroll_loop): Remove end_insert_before argument.
4336 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4337 (maybe_eliminate_biv_1): Likewise.
4338 (emit_iv_add_mult): Delete.
4339 (gen_add_mult, loop_regs_update): New.
4340 (loop_insn_emit_after, loop_insn_emit_before): New.
4341 (loop_insn_sink, loop_insn_sink_or_swim): New.
4342 (emit_iv_add_mult): Delete.
4343 (scan_loop): Set loop->sink.
4344 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4345 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4346 (maybe_eliminate_biv_1): Likewise.
4347 (maybe_eliminate_biv_1): Add basic block argument.
4348 * unroll.c (unroll_loop): Remove end_insert_before argument.
4349 (find_splittable_regs): Likewise.
4350 (find_splittable_regs): Use loop_insn_sink and its ilk.
4351 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4353 2001-01-07 Michael Hayes <mhayes@redhat.com>
4355 * loop.h (loop_insn_hoist): New prototype.
4356 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4357 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4358 (check_dbra_loop, load_mems): Likewise.
4359 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4360 (find_splittable_givs): Likewise.
4362 2001-01-07 Michael Hayes <mhayes@redhat.com>
4364 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4366 2001-01-07 Richard Henderson <rth@redhat.com>
4368 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4370 2001-01-07 Richard Henderson <rth@redhat.com>
4372 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4373 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4374 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4375 variant that handles a shared libgcc.
4376 (process_command): Always validate -{static,shared}-libgcc.
4377 (do_spec_1): New 'M' case.
4378 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4380 2001-01-07 Richard Henderson <rth@redhat.com>
4382 * Makefile.in (slibdir): New variable.
4383 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4384 (installdirs): Create slibdir.
4385 (install-libgcc, install-multilib): Defer to libgcc.mk.
4386 * configure.in (slibdir): Substitute.
4387 * mklibgcc.in (install): New target.
4389 * config/t-linux (SHLIB_LINK): Create links for the soname.
4390 (SHLIB_INSTALL): New.
4391 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4392 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4393 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4394 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4395 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4397 2001-01-07 Richard Henderson <rth@redhat.com>
4399 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4400 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4401 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4403 2001-01-07 Michael Hayes <mhayes@redhat.com>
4405 * loop.c (count_loop_regs_set): Delete.
4406 (load_mems_and_recount_loop_regs_set): Delete.
4407 (loop_regs_scan): Merge common code from count_loop_regs_set,
4408 scan_loop, and load_mems_and_recount_loop_regs_set.
4409 (scan_loop): Call load_mems directly and loop_regs_scan
4410 again if new registers created.
4412 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4414 * toplev.c (main): Call the front-end specific post_options
4415 hook if one is given.
4416 * toplev.h (struct_lang_hooks, lang_hooks): New.
4417 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4418 for the C front end.
4419 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4420 lang_hooks for the C++ front end.
4421 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4422 lang_hooks for the ObjC front end.
4423 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4424 * java/lang.c (lang_hooks): Hooks for the Java front end.
4426 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4428 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4429 for verbose DWARF[2] debugging.
4430 (cb_define, cb_undef): The new callbacks.
4431 * toplev.h (debug_define, debug_undef): Make const correct.
4432 * toplev.c (debug_define, debug_undef): Similarly. Do not
4433 perform the verbosity tests here anymore.
4435 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4437 * reload.c (subst_reloads): Take INSN argument. When
4438 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4439 * reload.h (subst_reloads): Adjust prototype.
4440 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4441 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4442 present in JUMP_INSNs and copy them to JUMP_LABEL.
4443 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4444 JUMP_INSNs and insns with REG_LABELs that are followed by
4445 JUMP_INSNs with the same REG_LABEL.
4446 * sched-rgn.c (is_cfg_nonregular): Likewise.
4447 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4449 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4451 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4453 2001-01-06 Richard Henderson <rth@redhat.com>
4455 * loop.c (scan_loop): Use xcalloc for the regs array.
4456 (load_mems_and_recount_loop_regs_set): Zero the new memory
4457 received from xrealloc.
4459 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4461 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4463 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4465 * integrate.c (copy_rtx_and_substitute): When copying
4466 an ignored return value, strip REG_FUNCTION_VALUE_P.
4468 2001-01-06 Michael Hayes <mhayes@redhat.com>
4470 * loop.c (debug_biv, debug_giv): New.
4471 (loop_biv_dump): Break out from ...
4472 (record_biv): ... here.
4473 (loop_giv_dump): Break out from ...
4474 (record_giv): ... here.
4475 (loop_bivs_check): Use print_simple_rtl.
4476 * unroll.c (loop_iterations): Use print_simple_rtl.
4478 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4480 * pa.md (return, return_internal): Modify patterns to prevent regrename
4481 mucking with the return pointer.
4483 2001-01-05 Richard Henderson <rth@redhat.com>
4485 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4487 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4489 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4490 version supplied by Matteo Frigo.
4492 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4494 * cpp.texi: Update for -MQ.
4495 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4496 (cpp_cleanup): Always free pfile->deps.
4497 (initialize_dependency_output): Don't create pfile->deps.
4498 (cpp_handle_option): Similarly.
4500 * gcc.c (cpp_options): Handle -MQ.
4501 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4502 * mkdeps.c (base_name): Remove.
4503 (deps_init): Don't allocate vector space until it's needed.
4504 (deps_free): Only free vectors if allocated.
4505 (deps_add_target, deps_add_dep): Update for initial allocation.
4506 (deps_add_default_target): Don't strip to the base_name.
4508 2001-01-05 DJ Delorie <dj@redhat.com>
4510 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4511 (INIT_EXPANDERS): Define.
4513 * config/v850/v850.c (struct machine_function): Define.
4514 (v850_save_machine_status): New function.
4515 (v850_restore_machine_status): New function.
4516 (v850_return_addr): New function.
4517 (v850_init_expanders): New function.
4519 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4520 and v850_init_expanders.
4522 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4524 * cpplib.h (struct cpp_reader): Add help_only field.
4525 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4526 (cpp_handle_option): Set pfile->help_only if we see -h,
4527 --help, -target-help, or --version. Print version string but
4528 do not set help_only if we see -v or -version. Make text
4529 printed by -v match that printed by (-)-version.
4531 * cppmain.c (main): Exit after option parsing if
4532 pfile->help_only is true.
4534 * toplev.c (independent_decode_option): Call print_version,
4535 then exit, if we see --version (but not -version).
4536 (print_version): Split lengthy message into two lines.
4538 2001-01-05 Nick Clifton <nickc@redhat.com>
4540 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4541 temporary string for initialisation before calling ggc_alloc_string.
4543 2001-01-06 Michael Hayes <mhayes@redhat.com>
4545 * rtl.h (print_simple_rtl): New.
4546 * print-rtl.c (print_simple_rtl): New.
4548 (print_rtx): Disable printing of flags and modes, etc.,
4549 if `flag_simple` nonzero.
4551 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4553 * function.c (fixup_var_refs): Use push_to_full_sequence where
4556 2001-01-05 Michael Meissner <meissner@redhat.com>
4558 * flags.h (flag_reorder_blocks): Add declaration.
4559 (flag_rename_block): Ditto.
4561 2001-01-05 DJ Delorie <dj@redhat.com>
4563 * function.c (reorder_blocks): Make sure the flags are all reset
4564 before using them to mark blocks, else a second invocation will
4565 corrupt the block chain.
4566 (reorder_blocks_0): New, resets the flags.
4568 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4570 * cse.c (find_comparison_args): Stop if the argument is known to
4573 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4575 * config/sh/sh.md (movdf): When splitting load into pair of
4576 registers, don't clobber the register used in the address too
4579 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4581 * varasm.c (mark_constant_pool): Improve initial comments.
4582 (mark_constants): Move marking of constants to mark_constant.
4583 (mark_constant): New function to recursively mark all constants
4584 referred to by a constant.
4586 2001-01-05 Catherine Moore <clm@redhat.com>
4588 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4590 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4592 * cp/lang-options.h: Bring comment in line with reality.
4593 * f/lang-options.h: Likewise.
4594 * java/lang-options.h: Likewise.
4595 * objc/lang-options.h: Likewise.
4596 * ch/lang-options.h: Likewise.
4597 * f/g77.texi: And update the manual.
4599 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4600 Denis Chertykov <denisc@overta.ru>
4602 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4603 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4604 * config/avr/avr.md (all peepholes that request a scratch register):
4605 Call it, FAIL the peephole if not safe (in interrupt functions).
4607 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4609 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4611 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4613 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4615 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4616 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4617 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4618 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4619 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4621 * extend.texi: Document these builtins.
4623 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4625 * c-common.c (lang_get_alias_set): Say we know nothing of
4626 VECTOR_TYPE aliasing.
4628 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4630 2001-01-05 Bruce Korb <bkorb@gnu.org>
4632 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4633 their x* equivalent versions for atexit-less systems
4634 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4635 systems (or any other system any more).
4637 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4639 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4640 output operands. Use arm_hard_register_operand for operand 4.
4641 (stmsi_postinc): Similarly.
4642 (ldmsi): Use arm_hard_register_operand for opernand 2.
4644 * arm.c (arm_hard_register_operand): New function.
4645 * arm-protos.h (arm_hard_register_operand): Prototype it.
4647 * arm.h (HARD_REGNO_RENAME_OK): Define.
4649 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4651 * simplify-rtx.c (cfc_args): add "unordered" field.
4652 (check_fold_consts): Set unordered field.
4653 (simplify_relational_operation): Simplify the unordered
4656 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4659 * emit-rtl.c (try_split): Fix code to mark labels.
4660 * jump.c (mark_jump_label): Make global.
4661 * rtl.h (mark_jump_label): Declare.
4663 * predict.c (estimate_probability): Handle unordred comparisons.
4665 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4667 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4668 * cppinit.c (initialize_dependency_output): Update.
4669 (cpp_finish): Output dummy targets for -MP.
4671 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4672 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4673 * gcc.c (cpp_options): Update to handle -MP.
4674 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4675 to quote only the default target.
4676 (deps_phony_targets): Insert a preceding newline. Rename from
4677 deps_dummy_targets for consistency.
4680 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4682 * calls.c (emit_library_call_value_1): Support
4683 INIT_CUMULATIVE_LIBCALL_ARGS.
4684 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4686 2001-01-04 Richard Henderson <rth@redhat.com>
4688 * c-decl.c (finish_struct): Detect flexible array members
4689 used in an inappropriate context.
4690 * c-typeck.c (really_start_incremental_init): Special case
4691 constructor_max_index for zero length arrays.
4692 (pop_init_level): Allow initialization of flexible array
4693 members. Deprecate initialization of zero length arrays.
4694 Don't issue missing initializer warning for flexible array
4695 members or zero length arrays.
4696 (process_init_element): Don't dereference null DECL_SIZE.
4697 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4698 Don't abort for empty constructors. Use size_binop
4699 (output_constructor): Add commentary regarding zero length
4700 array futures. Abort if we try to initialize an array of
4701 unspecified length with a non-empty constructor in the middle
4704 * extend.texi (Zero Length): Update and clarify documentation
4705 on static initialization.
4707 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4709 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4710 with more than 32767 words of local storage.
4712 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4714 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4715 for 'abs', 'labs', and 'fabs'.
4716 (c4x_expand_builtin): Likewise.
4717 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4719 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4721 * config/sh/sh.md (prget, prset): New insn types.
4722 (return delay slot): Dont' allow prset.
4723 (call, sfunc delay slot): Don't allow prget.
4724 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4725 for prset and prget.
4727 2001-01-05 Michael Hayes <mhayes@redhat.com>
4729 * loop.h (struct loop_reg): New.
4730 (struct loop_regs): Change to use array of `struct loop_reg'.
4731 * loop.c: Replace assortment of varrays with single regs array.
4732 (count_one_set): Delete may_not_move array argument
4733 and use regs array instead. All caller's changed.
4734 (count_loop_regs_set): Delete may_not_move and single_usage
4735 arguments and use regs array instead. All caller's changed.
4736 (find_single_use_in_loop): Replace usage array argument with pointer
4737 to regs structure. All caller's changed.
4738 (loop_optimize): Delete `moved_once' array.
4740 2001-01-05 Michael Hayes <mhayes@redhat.com>
4742 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4743 Use it instead of loop_info->has_call for scanning loop mems.
4744 (check_dbra_loop): Replace loop_info->has_call test with
4745 loop_info->has_nonconst_call.
4747 2000-01-04 Matthew Hiller <hiller@redhat.com>
4749 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4752 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4754 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4755 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4757 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4759 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4760 (flag_short_double, flag_short_wchar): Define.
4761 (c_common_nodes_and_builtins): Create many tree nodes shared
4762 between C and C++ here instead of in cp/decl.c and ...
4763 * c-decl.c (init_decl_processing): ... here.
4764 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4765 (flag_short_double, flag_short_wchar): Don't define.
4766 (record_builtin_type): New function.
4767 (build_void_list_node): New function.
4768 * c-common.h (flag_short_double, flag_short_wchar,
4769 record_builtin_type, build_void_list_node): Declare.
4771 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4773 * integrate.c (expand_inline_function): Don't put a virtual
4774 register into the reg map.
4776 * function.c (fixup_var_refs_1): If force_operand didn't put
4777 the address into the target, move it there.
4779 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4781 Special-case tree_decl/tree_list allocations.
4782 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4783 (OBJECT_SIZE): New macro.
4784 (NUM_EXTRA_ORDER): Likewise.
4785 (extra_order_size_table): New variable.
4786 (NUM_ORDERS): New macro.
4787 (objects_per_page_table): New variable.
4788 (object_size_table): New variable.
4789 (G.pages): Use NUM_ORDERS to bound the array.
4790 (G.page_tails): Likewise.
4791 (DIV_ROUND_UP): Remove.
4792 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4793 (alloc_page): Use OBJECT_SIZE.
4794 (size_lookup): Don't make it const.
4795 (ggc_alloc): Use OBJECT_SIZE.
4796 (ggc_set_mark): Likewise.
4797 (ggc_get_size): Likewise.
4798 (init_ggc): Set up the object_size_table, objects_per_page_table,
4799 and adjust size_lookup.
4800 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4801 (ggc_pop_context): Use NUM_ORDERS.
4802 (clear_marks): Likewise.
4803 (sweep_pages): Likewise.
4804 (poison_pages): Likewise.
4805 (ggc_print_statistics): Use OBJECT_SIZE.
4807 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4809 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4810 Only call array_size_for_constructor if last field and array type
4811 with no upper bound.
4813 2001-01-04 Philip Blundell <philb@gnu.org>
4815 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4816 from bit 31 downwards, if this requires no more insns.
4817 (count_insns_for_constant): New helper function for above.
4819 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4821 * gencodes.c (output_predicate_decls): Remove empty initializer.
4823 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4825 * tree.c (copy_node): Remove documentation about obstacks.
4826 (buidl1): Check that nobody tries to build 2-argument nodes this
4829 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4831 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4834 * gencodes.c (output_predicate_decls): Fill empty initializer
4837 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4839 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4840 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4842 (do_include): Handle missing headers like cpp0.
4843 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4844 paths with first include pathname. Don't strcat to uninitialized
4847 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4849 * regrename.c (regrename_optimize): Don't rename from frame pointer
4850 if frame_pointer_needed.
4851 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4852 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4853 (ia64_reorg): Use it instead of scheduling if ! optimize.
4854 (errata_emit_nops): Properly call asm_noperands.
4855 (ia64_sched_reorder): Finish cycle if we see an asm.
4856 (ia64_variable_issue): Clear scheduling state after asms.
4858 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4860 * cpp.texi: Update for -MT.
4861 * cppinit.c (initialize_dependency_output): Add a default
4862 target if none has been given already.
4863 (no_tgt, OPT_MT): New.
4864 (cpp_handle_option): Handle -MT. Update -M etc.
4865 * cpplib.h (struct cpp_options): Remove deps_target.
4866 * gcc.c (cpp_options): Handle -MT.
4867 * mkdeps.c (struct deps): Move from mkdeps.h.
4868 (deps_calc_target): Rename deps_add_default_target. Add a
4869 default target if none has been specified already.
4870 * mkdeps.h (struct deps): Move to mkdeps.c.
4871 (deps_calc_target): Rename deps_add_default_target.
4873 2000-01-03 Richard Henderson <rth@redhat.com>
4875 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4877 * c-typeck.c (push_init_level): Move checks for flexible array
4878 members and zero length arrays ...
4879 (pop_init_level): ... here. Silently discard empty initializations.
4881 * varasm.c (output_constructor): Update for sizeof change to
4884 * extend.texi (Zero Length): Clarify semantics.
4886 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4888 * configure.in (tm.h): Include isns-codes.h last.
4889 * configure: Rebuilt.
4891 2001-01-03 Richard Henderson <rth@redhat.com>
4893 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4894 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4896 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4898 * tradcpp.c (main): Make sure finclude() is called with a valid
4899 indepth value while handling -include.
4901 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4903 * gencodes.c (output_predicate_decls): New function.
4905 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4906 even if it is not the first time machmode.h is #included.
4907 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4908 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4909 * gcc.texi (Copyright): Added 2001.
4911 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4913 * c-common.c (c_common_lang_init): New function. Warn if format
4914 warning options which only have effects when used with -Wformat
4915 are used without -Wformat.
4916 * c-common.h (c_common_lang_init): Declare.
4917 * c-lang.c (lang_init): Call c_common_lang_init.
4918 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4920 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4922 * configure.in: Check for the mktemp command.
4923 * configure: Regenerate.
4924 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4925 $TEMP. Create temporary files with mktemp, if available at
4926 configure time; otherwise use set -C. Remove temporary files
4929 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4931 * configure.in: Require at least texinfo 4.0. Check for whether
4932 Pod::Man is sufficiently recent to regenerate GCC manpages.
4933 * configure: Regenerate.
4934 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4936 (GENERATED_MANPAGES): Define.
4937 (generated-manpages): New target. Depend on cpp.1 as well as
4939 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4940 configure to generated-manpages or empty) rather than on the
4941 manpages directly. Remove execute permission from installed
4942 gcov.1 as well as cpp.1.
4943 * cpp.1, gcov.1: Regenerate.
4945 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4947 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4948 tree_low_cst. Allow using cmpstrsi in more cases.
4950 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4952 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4955 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4957 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4958 * Makefile.in (HOST_CFLAGS): Mention build-make.
4960 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4962 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4965 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4967 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4970 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4973 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4974 reg_base_value and reg_known_value arrays.
4975 (init_alias_analysis): Add more cases to detect known values.
4976 * sched-deps.c (deps_may_trap_p): New function.
4977 (sched_analyze_2): Use it.
4979 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4981 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4982 don't discard an ASHIFTRT if we're shifting in a wider mode.
4984 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4986 * toplev.c (rest_of_compilation): Don't print basic block information
4987 when CFG isn't up to date.
4989 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4991 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4992 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4993 (UNALIGNED_SHORT_ASM_OP): Define.
4994 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4996 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4998 * fold-const.c (fold_convert): Fix typo.
5000 2001-01-02 Richard Henderson <rth@redhat.com>
5002 * c-common.h (ASM_INPUT_P): New.
5003 * c-parse.in (asm): Set it when needed.
5004 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5005 existance of an operand.
5007 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5009 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5010 (dwarf2out_frame_debug_expr): Likewise.
5011 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5013 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5015 * i386.c (ix86_split_to_parts): Return number of part required;
5017 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5019 (ix86_split_long_move): Use number of part returned
5020 by ix86_split_to_parts
5021 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5023 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5024 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5025 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5026 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5027 (ALIGN_MODE_128): Add TFmode.
5028 (IS_STACK_MODE): Likewise.
5029 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5030 (HARD_REGNO_OK): Support TFmodes.
5031 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5032 * i386.md (scheduler definitions): Use memory operand to determine
5033 fst/fld instructions; use mode attribute to determine real mode of
5035 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5036 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5038 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5040 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5042 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5044 * expr.c (store_constructor_field): Update ALIGN before calling
5047 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5049 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5052 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5054 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5057 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5059 * c-decl.c (start_function): Don't warn on third parameter to main.
5061 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5063 * tsystem.h: Define HAVE_DECL_GETOPT.
5065 2001-01-02 Philip Blundell <pb@futuretv.com>
5067 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5070 2001-01-02 Richard Henderson <rth@redhat.com>
5072 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5074 2001-01-02 Andreas Jaeger <aj@suse.de>
5076 * c-decl.c (c_decode_option): Remove support of
5079 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5080 (W_options): Add -Wmissing-noreturn here.
5082 * flow.c: Define lang_missing_noreturn_ok_p.
5083 (check_function_return_warnings): Use it.
5085 * c-common.h: Declare lang_missing_noreturn_ok_p.
5087 * c-lang.c (c_missing_noreturn_ok_p): New function.
5088 (lang_init): Set lang_missing_noreturn_ok_p.
5090 * invoke.texi (Warning Options): Document this.
5092 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5094 * extend.texi (C++ Extensions): New node for C++ attributes;
5095 describe init_priority and com_interface.
5096 * invoke.texi: Remove -finit-priority as it now has zero effect.
5097 * install.texi: Fix xref syntax.
5098 * md.texi: Likewise.
5100 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5102 * config.gcc (sparc64-wrs-vxworks*): New case.
5103 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5105 * config/sparc/sparc.c (sparc_override_options): Do support different
5106 pointer and architecture size.
5107 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5108 (POINTERS_EXTEND_UNSIGNED): Define.
5109 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5110 (FUNCTION_MODE): Define to be Pmode.
5111 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5113 * function.c (expand_function_end): Properly handle DECL_RESULT
5114 and copy when ptr_mode != Pmode.
5115 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5117 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5119 * c-common.c (c_common_nodes_and_builtins): Set prototype
5120 parameters for __builtin_fputs, __builtin_fputc and
5121 __builtin_fwrite. Don't declare plain fputc as a builtin.
5123 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5125 * loop.c (add_label_notes): Increment the label usage count when
5126 a note is added to an insn which refers to a CODE_LABEL.
5127 * gcse.c (add_label_notes): Likewise.
5129 2001-01-01 Andreas Jaeger <aj@suse.de>
5131 * loop.c (scan_loop): Use xmalloc to allocate movables.
5133 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5135 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5136 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5137 * reload1.c (REGISTER_MOVE_COST): Likewise.
5138 * regclass.c (REGISTER_MOVE_COST): Likewise.
5139 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5140 dimension. Adjust all users.
5141 (init_reg_sets_1): Iterate on all modes.
5142 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5143 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5144 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5145 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5146 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5147 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5148 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5149 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5150 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5151 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5152 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5153 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5154 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5155 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5156 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5157 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5158 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5159 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5160 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5161 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5162 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5163 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5164 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5165 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5166 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5167 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5168 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5170 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5172 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5173 arg VARIES_P. Call it with extra arg.
5174 (true_dependence): Likewise.
5175 * rtl.h (rtx_addr_can_trap_p): Declare.
5176 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5178 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5179 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5180 pic offset table register if it's zero. All callers changed.
5181 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5183 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5185 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5186 STRING_POOL_ADDRESS_P.
5188 * config/sparc/sparc.c (input_operand): Properly test for short op.
5190 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5191 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5192 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5193 * config/sparc/elf.h: No longer include sol2.h.
5194 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5195 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5197 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5199 2001-01-01 Michael Hayes <mhayes@redhat.com>
5201 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5202 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5203 (record_initial): Likewise.
5204 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5205 (remap_split_bivs): Likewise.
5207 2001-01-01 Michael Hayes <mhayes@redhat.com>
5209 * loop.c (loop_ivs_free): New function.
5210 (strength_reduce): Break out from...
5212 2001-01-01 Michael Hayes <mhayes@redhat.com>
5214 * loop.h (struct iv): New.
5215 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5216 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5217 'reg_biv_class' fields with 'regs' and 'n_regs'.
5218 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5219 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5220 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5222 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5224 * resource.c (mark_referenced_resources): Abort() before
5225 attempting to mark a pseudo register.
5226 (mark_set_resources): Likewise.
5228 2001-01-01 Michael Hayes <mhayes@redhat.com>
5230 * loop.h (REG_IV_CLASS): New accessor macro.
5231 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5232 * unroll.c (REG_IV_CLASS): Likewise.
5234 See ChangeLog.4 for earlier changes.
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