1 2000-09-05 Richard Henderson <rth@cygnus.com>
3 * config/ia64/ia64.md (mulhi3): Fix typo last change.
4 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
6 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
8 * Makefile.in: Restructure bootstrap stages to allow clean
11 2000-09-05 Richard Henderson <rth@cygnus.com>
13 * config/ia64.md (movsi and movdi patterns): Allow moves from
14 8-bit constants to AR registers.
16 2000-09-05 Richard Henderson <rth@cygnus.com>
18 * config/ia64/ia64.md (mulhi3): New.
20 2000-09-05 Richard Henderson <rth@cygnus.com>
22 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
23 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
24 Optimization Guide, minimum latency alternative.
25 (__moddi3, __udivdi3, __umoddi3): Likewise.
26 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
28 2000-09-05 Bruce Korb <bkorb@gnu.org>
30 * gcc/fixinc/fixincl.c(load_file): always read header files
31 with sizes that are a multiple of the page size.
32 & use libiberty's getpagesize for determining that.
34 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
36 * gcse.c (hash_string_1): Add prototype.
37 * cse.c (canon_hash_string): Likewise.
39 2000-09-04 Craig Newell <CraigN@ieee.org>
41 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
43 2000-09-04 Andreas Schwab <schwab@suse.de>
45 * Makefile.in (STAGESTUFF): Remove libgcc.
46 (stage1-start, stage2-start, stage3-start): Copy the contents of
47 the libgcc directory explicitly.
48 (mostlyclean): Clean libgcc.
50 2000-09-04 Andrew Haley <aph@redhat.com>
52 * dwarf2out.c: (stack_adjust_offset): New prototype.
54 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
56 * combine.c (make_extraction): Fix rtx_cost comparison to
59 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
61 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
62 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
63 Add '*' to insn pattern name.
65 2000-09-04 Jakub Jelinek <jakub@redhat.com>
67 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
68 use posn - 1 to index into tokens array.
69 (maybe_paste_with_next): Adjust caller.
71 2000-09-03 Geoff Keating <geoffk@cygnus.com>
73 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
75 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
76 (REGNO_REG_CLASS): Use symbolic register
79 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
81 * arm.c (final_prescan_insn): If the form of a jump insn isn't
82 recognized, don't try to conditionally execute it.
84 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
86 * config/avr/avr.md ("*tablejump_lib"): New pattern.
87 (call_value_insn): Right length claculation.
88 (call_insn): Likewise.
90 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
92 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
93 gas_output_limited_string, gas_output_ascii, output_movqi,
94 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
95 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
96 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
97 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
98 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
99 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
100 Add "const" as needed to remove warnings.
102 * config/avr/avr.c (avr_override_options, avr_init_once,
103 function_prologue, function_epilogue, frame_pointer_required_p,
104 class_likely_spilled_p, order_regs_for_local_alloc,
105 avr_address_cost, avr_ret_register): Use K&R style arguments.
106 (initial_elimination_offset, gas_output_limited_string):
107 Remove ATTRIBUTE_UNUSED from the used arguments.
108 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
109 Use local variables src, dest, base to access operands[].
110 Rename reg_dest to reg_src if that's what it is.
111 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
112 constants to LD_REGS if reg_was_0.
113 (output_reload_insisf): Change arg 3 to insn length and set it.
114 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
115 access to 16-bit I/O register pairs.
116 (avr_address_cost): Lower cost for the above case.
117 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
118 may be clobbered, also for LD_REGS.
119 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
122 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
124 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
125 macro to test_hard_reg_class function.
126 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
127 for loading immediate constants to LD_REGS.
128 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
131 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
133 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
134 * config/avr/libgcc.S: Lost part of the previous patch.
136 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
138 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
139 object before calling pthread_mutex_init.
141 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
143 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
144 config/sh/crtn.asm: New files.
145 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
146 (crt1.o, crti.o, crtn.o): New targets.
147 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
149 * configure: Rebuilt.
150 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
151 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
152 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
153 Undefine for config/elfos.h to redefine.
154 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
156 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
158 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
159 legitimize_pic_address, output_pic_addr_const): Declare.
160 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
161 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
162 (TARGET_SWITCHES): New switch -mprefergot.
163 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
164 (PIC_OFFSET_TABLE_REGNUM): Define.
165 (GOT_SYMBOL_TABLE): Likewise.
166 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
167 (ENCODE_SECTION_INFO): Define.
168 (FINALIZE_PIC): New macros.
169 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
170 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
171 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
172 (prepare_move_operands): Call emit_pic_move or
173 emit_pic_const_move if appropriate.
174 (output_far_jump): For PIC, use braf and output long offset.
175 (machine_dependent_reorg):
176 (sh_expand_prologue): Save and initialize the PIC register.
177 (sh_expand_epilogue): Restore it.
178 (initial_elimination_offset): Account for it.
179 (nonpic_symbol_mentioned_p): New function.
180 (legitimize_pic_address): Likewise.
181 (output_pic_addr_const): Likewise.
182 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
183 (call, call_value): Use them.
184 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
185 symPLT_label2reg): New expands.
186 * invoke.texi (SH Options): Document -mprefergot.
188 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
190 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
191 * gcse.c (hash_string_1): New function.
192 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
193 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
194 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
195 (canon_hash_string): New function.
196 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
197 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
198 (fold_rtx): Use ASM_OPERANDS accessor macros.
199 * emit-rtl.c (copy_insn_1): Likewise.
200 * integrate.c (copy_rtx_and_substitute): Likewise.
201 * stmt.c (expand_asm_operands): Likewise. Give an
202 ASM_OPERANDS rtx the mode of the output reg being set from it.
204 2000-09-01 Fred Fish <fnf@be.com>
206 * fix-header.c (write_rbrac): Add putc and getc to list of
207 functions to protect against prior definition as a macro.
209 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
211 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
212 (c_size_type_node): Define.
213 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
214 * c-common.c (enum format_lengths, enum format_std_version,
215 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
216 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
217 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
218 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
219 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
220 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
221 format_types): Define.
222 (format_char_info, print_char_table, scan_char_table,
223 time_char_table): Rearrange for new organization of information
224 about format length modifiers and standard versions.
225 (T_ST): Redefine to use c_size_type_node.
226 (check_format_info): Obtain information about length modifiers and
227 standard versions from tables. Adjust warning message wordings.
228 Use the name from the user's program for `ll' and `hh' length
229 modifiers in warning messages. Use more informative names for
230 wanted types where available (for wchar_t, wint_t, size_t, signed
231 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
233 2000-09-01 Jim Wilson <wilson@cygnus.com>
235 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
236 * combine.c (distribute_notes): Handle REG_NORETURN.
237 * rtl.c (reg_note_name): Add REG_NORETURN.
238 * rtl.h (enum reg_note): Likewise.
240 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
242 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
243 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
244 (emit_predicate_relation_info): Handle conditional calls with
246 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
247 instead of ia64_file_start.
248 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
249 * config/ia64/ia64.md (safe_across_calls_all,
250 save_across_calls_normal): New patterns.
252 * loop.c (check_final_value): Check for biv use before checking for
253 giv use. Check for both biv and giv uses. Always set last_giv_use
254 if there is a giv use.
256 2000-09-01 Richard Henderson <rth@cygnus.com>
258 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
262 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
264 * expr.c (clear_storage): Don't use emit_move_insn unless
265 either BLKmode or proper size.
266 (store_constructor): Don't call clear_storage if REG of wrong size.
268 * flow.c (init_propagate_block_info): Don't mark frame dead at end
269 of function if returns wiht stack pointer depressed.
271 2000-09-01 Andrew Haley <aph@redhat.com>
273 * dwarf2out.c (stack_adjust_offset): New function.
274 (dwarf2out_stack_adjust): Break out stack adjust logic into
275 new stack_adjust_offset function. Look inside parallels and
276 sequences for stack adjustments.
278 2000-08-31 Jeff Law <law@cygnus.com>
280 * arm.md: Use no_new_pseudos to determine when it is safe
281 to create new pseudo registers.
283 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
284 when we can safely allocate new registers.
286 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
288 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
289 so that CONCATs are not generated for ASMs.
290 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
291 not generating_concat_p.
292 * function.c (pop_function_context_from): Reset
294 (prepare_function_start): Likewise.
295 * rtl.c (generating_concat_p): Define.
296 * rtl.h (generating_concat_p): Declare.
297 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
299 2000-08-22 Philipp Thomas <pthomas@suse.de>
300 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
302 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
305 2000-08-30 Greg McGary <greg@mcgary.org>
307 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
308 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
309 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
311 2000-08-30 Greg McGary <greg@mcgary.org>
313 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
314 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
315 (TREE_INT_CST): New macro.
316 * varasm.c (const_hash, compare_constant_1, record_constant_1):
317 Use new macro TREE_INT_CST.
319 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
321 * contrib.texi: Add self.
323 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
325 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
326 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
329 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
331 * fixinc/gnu-regex.c: Don't define `const'.
333 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
335 * expr.c (store_constructor): Allow variable bounds of array type.
336 (expand_expr): Don't blow up if type is ERROR_MARK.
337 * varasm.c (output_constructor): Don't access lower bound of array
338 type unless need it if index is supplied (so it can be a variable
339 if no index is supplied).
340 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
341 Other minor cleanups.
343 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
345 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
346 for compilations in stage 1 and subsequent stages, respectively.
347 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
348 * configure: Rebuilt.
349 * x-vax, x-vax-gcc: Deleted.
351 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
353 * c-common.c (declare_function_name): Use func_id_node,
354 function_id_node, and pretty_function_id_node. Do not make
355 __func__ visible at file scope.
356 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
357 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
358 (function_id_node, pretty_function_id_node, func_id_node): New
360 * c-decl.c (init_decl_processing): Initialize function_id_node,
361 pretty_function_id_node, and func_id_node.
362 (c_make_fname_decl): Correct comment.
364 * tree.h (struct tree_identifier): Constify pointer member.
366 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
367 * c-pragma.h (struct weak_syms): Constify name and value members.
368 (add_weak): Constify arguments.
370 * calls.c (special_function_p): Constify a char *.
371 (expand_call): Remove variable which is initialized and then
373 * dependence.c (struct def_use, struct induction, struct subscript):
374 Constify 'variable' member.
375 (get_low_bound, have_induction_variable): Constify char * argument.
376 (find_induction_variable): Add braces to avoid dangling else.
377 (classify_dependence): Constify char * arrays.
378 * profile.c (output_func_start_profiler): Constify a char *.
379 * stor-layout.c (finalize_record_size): Constify a char *.
380 * tree.c (is_attribute_p): Constify a char *.
381 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
383 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
384 for comprehensibility. Do not call get_identifier if we did
385 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
386 create temporary string constants, not ggc_alloc_string. No
387 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
388 char * to hold IDENTIFIER_POINTERs.
390 2000-08-29 Richard Henderson <rth@cygnus.com>
392 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
395 2000-08-29 Richard Henderson <rth@cygnus.com>
397 * reload.c (push_secondary_reload): Allow class == reload_class
398 if we're using a reload_in/out pattern.
400 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
401 the half that does not conflict with the reload register.
402 (reload_outti): Likewise.
404 2000-08-29 Kazu Hirata <kazu@hxi.com>
406 * reload.c: Fix formatting.
408 * stmt.c: Fix formatting.
410 * gcc.c: Fix formatting.
412 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
414 * flags.h (time_report, mem_report): New global flags.
415 * toplev.c: Define time_report and mem_report.
416 (f_options): Add -ftime-report and -fmem-report.
417 (compile_file): Turn on time_report if quiet_flag is off.
418 Call ggc_print_statistics at very end if mem_report is on.
419 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
421 * ggc-common.c (ggc_print_statistics): Rename to
422 ggc_print_common_statistics; all callers changed. Scale
423 quantities above 10K to kilobytes and above 10M to megabytes.
424 * ggc-page.c (ggc_page_print_statistics): Rename to
425 ggc_print_statistics. Report memory consumed by internal data
426 structures for each allocation bucket. Scale quantities above
427 10K to kilobytes and above 10M to megabytes.
428 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
429 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
430 Define tally_leaves always.
431 (ggc_print_statistics): New function.
432 * ggc.h: Adjust for renamed functions.
434 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
436 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
437 output_movsisf instead of which_alternative.
439 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
441 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
443 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
444 (avr_progmem_p): New prototype.
445 (output_movsisf): Prototype declaration changed.
446 (output_movqi): New prototype.
447 (output_movhi): New prototype.
448 (call_insn_operand): Likewise.
449 (final_prescan_insn): Likewise.
450 (avr_simplify_comparision_p): Likewise.
451 (avr_normalize_condition): Likewise.
452 (compare_eq_p): Likewise.
453 (out_shift_with_cnt): Likewise.
454 (const_int_pow2_p): Likewise.
455 (output_reload_inhi): Prototype declaration changed.
457 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
458 (ldi_reg_rtx): New. rtx for r31.
459 (avr_init_stack): Initialize as "__stack".
460 (function_prologue): Use it.
461 Replace all TARGET_ENHANCED with AVR_ENHANCED.
462 (avr_mcu_name): Initialize as "avr2".
463 (avr_enhanced_p, avr_mega_p): New variables.
464 (mcu_types, avr_override_options): Handle all known MCU types.
465 Also handle avr1 (only preprocess, assemble and link).
466 (print_operand): Using of `%K' in output template removed.
467 (out_movqi_r_mr): Optimized.
468 (out_movhi_r_mr): Likewise.
469 (output_movqi): New function.
470 (output_movhi): Likewise.
471 (out_movsi_r_mr): Optimized.
472 (output_movsisf): Compute insn length for `adjust_insn_length'
473 (out_movqi_mr_r): Optimized.
474 (out_movhi_mr_r): Optimized.
475 (adjust_insn_length): Use output_movsisf, output_movqi,
476 output_movhi for insn length adjusting.
477 (reg_unused_after): Use dead_or_set_p.
478 (preferred_reload_class): Now havn't any restriction.
479 (reg_was_0): New function.
480 (io_address_p): Likewise.
481 (const_int_pow2_p): Likewise.
482 (output_reload_inhi): Likewise.
483 (output_reload_insisf): Likewise.
485 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
486 (LIB_SPEC): Use -lc for all supported devices.
487 (LIBGCC_SPEC): Use -lgcc for all supported devices.
488 (AVR_MEGA): Define as avr_mega_p.
489 (AVR_ENHANCED): New, define as avr_enhanced_p.
490 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
491 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
492 (CRT_BINUTILS_SPECS): Handle all known MCU types.
493 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
494 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
495 (ASM_SPEC): Pass -mmcu=... to the assembler.
496 Change all -DAVR_* to -D__AVR_*__.
497 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
498 Rename library functions to start with two underscores.
499 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
501 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
502 (SUPPORTS_WEAK): Likewise.
503 (LDI_REG_REGNO): New. Register r31 will be used as temporary
504 register for loading constants to r0-r14.
506 * config/avr/avr.md: Replace all TARGET_ENHANCED with
508 (*mov_r_sp): Removed. Handled by output_movhi.
509 (*mov_sp_r): Likewise.
510 (*mov_sp_r_no_interrupts): Likewise
511 (*mov_sp_r_tiny): Likewise.
512 (*movqi): Use output_movqi.
514 (*movhi): Use output_movhi.
516 (*negsi2): Optimized.
518 Added peepholes (define_peephole2) for loading constants to r0-r14
519 and for using `cpse' command.
521 * config/avr/libgcc.S: Rename library functions to start with two
523 Add support for enhanced core.
524 (_moqhi3): Fix typo, now _modqi3.
525 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
526 (__prologue_saves__): Remove test for stack adjust by 0.
527 (__tablejump__): New.
529 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
530 Add multilib support.
532 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
534 * loop.c (prescan_loop): Don't check unknown_address_altered
535 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
536 to loop_store_mems as necessary.
537 (loop_invariant_p): Don't check unknown_address_altered
538 or unknown_constant_address_altered.
540 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
542 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
544 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
546 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
547 print just the filename.
548 * cpplex.c (_cpp_run_directive): Add additional argument, the
549 name to give the synthetic buffer. This defaults to
550 translated "<command line>".
551 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
553 (_cpp_define_builtin): New function.
554 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
555 * cpphash.h: Update prototypes.
557 * tradcpp.c (main): Process -D and -U simultaneously, in the
558 order they appeared on the command line.
560 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
562 * c-decl.c (define_label): Call warning_with_file_and_line and
563 error_with_file_and_line instead of plain warning or error.
565 * c-parse.in (label): Use save_filename/save_lineno to ensure
566 correct values for calls to define_label.
568 2000-08-29 Mark Mitchell <mark@codesourcery.com>
570 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
572 * expr.c (expand_expr, case TARGET_EXPR): Don't call
574 * tree.h (get_file_function_name): Remove two duplicate
577 2000-08-28 Kazu Hirata <kazu@hxi.com>
579 * tree.c: Fix formatting.
581 * xcoffout.c: Fix formatting.
583 2000-08-28 Jason Merrill <jason@redhat.com>
585 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
587 2000-08-28 Daniel Berlin <dberlin@redhat.com>
589 * dwarf2out.c (dwarf2out_finish): Don't bother calling
590 break_out_includes if it won't do anything.
592 2000-08-28 Richard Henderson <rth@cygnus.com>
594 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
595 (find_reloads): Likewise.
596 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
597 (reload_inhi): Likewise.
599 2000-08-28 Richard Henderson <rth@cygnus.com>
601 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
602 (call_insn_operand): Don't expect a surrounding mem.
603 (constant_call_address_operand): Likewise.
604 * config/i386/i386.h (PREDICATE_CODES): Update.
605 * config/i386/i386.md (call patterns): Move the match_operand
606 for the call destination inside the mem.
608 2000-08-28 Richard Henderson <rth@cygnus.com>
610 * local-alloc.c (requires_inout): Don't use reserved range for
611 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
612 * recog.c (asm_operand_ok): Likewise.
613 (preprocess_constraints, constrain_operands): Likewise.
614 * regclass.c (record_reg_classes): Likewise.
615 * reload.c (find_reloads): Likewise.
616 * reload1.c (maybe_fix_stack_asms): Likewise.
617 (reload_cse_simplify_operands): Likewise.
618 * stmt.c (expand_asm_operands): Likewise.
620 * md.texi: Update constraints documentation.
621 * tm.texi (EXTRA_CONSTRAINT): Update.
623 2000-08-28 Daniel Berlin <dberlin@redhat.com>
625 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
626 (print_die): If we don't know the offset of the
627 target die, try the symbol. Add a trailing newline.
628 (reverse_all_dies): New fn.
629 (dwarf2out_finish): Call it.
630 (break_out_includes): Reorganize for clarity.
631 (add_sibling_attributes): Don't call reverse_die_lists.
632 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
634 * flags.h: Add flag_eliminate_dwarf2_dups.
635 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
637 2000-08-28 Jason Merrill <jason@redhat.com>
639 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
640 * dwarf2out.c: #include "md5.h".
641 (DIE_LABEL_PREFIX): New macro.
642 (dw_val_struct): Add 'external' flag to val_die_ref.
643 (add_AT_die_ref, AT_ref): Adjust.
644 (AT_ref_external, set_AT_ref_external): New fns.
645 (build_abbrev_table): Call set_AT_ref_external.
646 (value_format): Call AT_ref_external.
647 (die_struct): Add die_symbol field.
649 (dwarf_tag_name): Handle BINCL/EINCL.
650 (dwarf2out_start_source_file): Add BINCL DIE.
651 (dwarf2out_end_source_file): Add EINCL DIE.
652 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
653 (loc_checksum, attr_checksum, die_checksum): New fns.
654 (is_type_die, is_comdat_die, is_symbol_die): New fns.
655 (compute_section_prefix, assign_symbol_names): New fns.
656 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
657 (output_die): Call output_die_symbol and AT_ref_external.
658 (output_comdat_comp_unit): New fn, split out from...
659 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
661 (output_pubnames, output_aranges): Abort if we see entries from
663 * toplev.h: Declare file_name_nondirectory.
664 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
665 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
666 (debug_start_source_file): Call dwarf2out_start_source_file
667 regardless of debug verbosity.
668 (debug_end_source_file): Similarly.
669 * tree.h: Declare clean_symbol_name.
670 * tree.c (clean_symbol_name): Split out from...
671 (get_file_function_name_long): ...here.
673 * dwarf2out.c (new_loc_descr): Use calloc.
674 (splice_child_die): Remove the die from the right parent.
675 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
677 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
679 * toplev.c (decode_g_option): Don't give warning for unknown -g
680 option; return 0 instead.
681 (main): If -g option is not recognized by front end or
682 language-independent code, give warning.
684 2000-08-28 Greg McGary <greg@mcgary.org>
686 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
687 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
688 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
690 2000-08-27 Greg McGary <greg@mcgary.org>
692 * cpplex.c (parse_string): Don't look for backslash
693 before first char in `namebuf'.
694 * loop.c (strength_reduce): Skip NOTEs.
696 2000-08-27 Jason Merrill <jason@redhat.com>
698 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
699 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
700 TREE_ASM_WRITTEN, either.
701 (finish_decl): Adjust.
703 2000-08-28 Philipp Thomas <pthomas@suse.de>
705 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
706 they have been incorporated into the gettext CVS. Change the text to
707 reflect the current status of NLS. Add instructions for accessing
708 the gettext CVS and add the patch from Martin v. Loewis.
710 2000-08-27 Geoff Keating <geoffk@cygnus.com>
712 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
713 by using gen_lowpart_common.
714 (movdi_internal64+6): Likewise.
716 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
718 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
721 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
722 numbers to the ranges used by GDB.
724 2000-08-25 Richard Henderson <rth@cygnus.com>
726 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
727 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
728 (ia64_expand_prologue): Likewise.
729 (ia64_setup_incoming_varargs): Set it. Properly skip the current
730 argument for stdargs.
732 2000-08-25 Jason Merrill <jason@redhat.com>
734 * integrate.c (expand_inline_function): Pull out the original decl.
736 2000-08-25 Jim Wilson <wilson@cygnus.com>
738 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
740 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
742 2000-08-25 Greg McGary <greg@mcgary.org>
744 * flow.c (dump_edge_info): Use ARRAY_SIZE.
745 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
747 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
749 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
751 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
753 * i386.c (ix86_find_base_term): New.
754 * i386-protos.h (ix86_find_base_term): Prototype.
755 * i386.h (FIND_BASE_TERM): Define.
756 * alias.c (find_base_term): Use it.
757 * tm.texi (FIND_BASE_TERM): Document it.
759 * alias.c (true_dependence, write_dependence_p): Unchanging
760 memory can't conflict with non-unchanging memory.
762 * alias.c (memrefs_conflict_p): A BLKmode reference
763 to a symbol (or CONST_INT address) always conflicts
764 with a reference to another symbol.
766 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
768 * c-common.c (time_char_table): Don't allow width and flags with
771 2000-08-25 Jakub Jelinek <jakub@redhat.com>
773 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
774 way as LT and LTU when the second operand has 0 in low word.
776 2000-08-26 Michael Hayes <mhayes@cygnus.com>
778 * basic-block.h (struct loop): Rename `exits' field to
779 `exit_edges'. Add `entry_edges' and `num_entries' fields.
781 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
782 (flow_loop_entry_edges_find): Add.
783 (flow_edge_list_print): Rename from flow_exits_print.
784 (flow_loops_find): Call flow_loop_entry_edges_find.
785 (flow_loop_dump): Dump entry_edges list.
786 (flow_loops_free): Free entry_edges.
788 2000-08-26 Michael Hayes <mhayes@cygnus.com>
790 * loop.c (loop_dump_aux, debug_loop): New functions.
791 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
793 * flow.c (flow_loops_dump): Add callback parameter.
794 (flow_loop_dump): Add callback parameter and call it. Move
795 loop note debugging code to loop_dump_aux.
797 * basic-block.h (flow_loop_dump): Add callback parameter
798 (flow_loops_dump): Likewise.
800 * toplev.c (rest_of_compilation): Add NULL callback function pointer
801 to call to flow_loops_dump.
803 2000-08-26 Michael Hayes <mhayes@cygnus.com>
805 * loop.c (count_loop_regs_set): Replace start and end arguments
806 with loop argument. All callers udated.
808 2000-08-26 Michael Hayes <mhayes@cygnus.com>
810 * loop.c (constant_high_bytes): Delete.
812 2000-08-26 Michael Hayes <mhayes@cygnus.com>
814 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
815 and NOTE_INSN_LOOP_VTOP to...
816 (find_and_verify_loops) ...here.
818 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
820 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
821 (fini_dummy, init_dummy): Use it.
823 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
825 * cpplex.c (is_macro_disabled): Caller has already checked
826 that we're not a preprocessed file.
828 2000-08-24 Mark Mitchell <mark@codesourcery.com>
830 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
831 (c-iterate.o): Remove target.
832 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
833 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
834 (finish_decl): Don't handle iterators.
835 (grokdeclarator): Likewise.
836 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
837 * gcc/c-gperf.h: Regenerated.
838 * gcc/c-iterate.c: Removed.
839 * gcc/c-lex.c (init_lex): Don't handle iterators.
840 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
841 (compstmt_primary_start): Remove push_iterator_stack call.
842 (stmt): Don't allow iterator statements. Replace iterator_expand
843 with expand_expr_stmt.
844 (all_iter_stmt): Remove.
845 (all_iter_stmt_simple): Likewise.
846 (all_iter_stmt_with_decl): Likewise.
847 * gcc/c-tree.h (ITERATOR_P): Remove.
848 (ITERATOR_BOUND_P): Likewise.
849 (init_iterators): Remove declaration.
850 (iterator_expand): Likewise.
851 (iterator_for_loop_start): Likewise.
852 (iterator_for_loop_end): Likewise.
853 (iterator_for_loop_record): Likewise.
854 (push_iterator_stack): Likewise.
855 (pop_iterator_stack): Likewise.
856 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
857 (readonly_warning): Likewise.
858 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
860 2000-08-24 Jim Wilson <wilson@cygnus.com>
862 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
863 Copy type in a TYPE_DECL, just like pushdecl does.
865 2000-08-24 Richard Henderson <rth@cygnus.com>
867 * toplev.c (main): Enable flag_reorder_blocks at -O2.
869 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
871 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
872 asked for one page, allocate GGC_QUIRE_SIZE of them and put
873 the extras on the free list.
874 (release_pages): Clean up.
875 (ggc_set_mark): Don't adjust G.allocated here...
876 (sweep_pages): ... do it here.
878 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
880 * cppfiles.c (read_include_file): Rearrange initializations.
882 2000-08-24 Richard Henderson <rth@cygnus.com>
884 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
886 * config/ia64/ia64-protos.h: Update.
887 * config/ia64/ia64.c (gr_register_operand): New.
888 (fr_register_operand, grfr_register_operand): New.
889 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
890 (grfr_reg_or_8bit_operand): New.
891 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
892 use gr_register_operand.
893 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
894 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
895 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
896 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
897 (fr_reg_or_fp01_operand): Likewise.
898 (not_postinc_memory_operand): New.
899 (ia64_split_timode): Remove unused variables.
900 (rtx_needs_barrier): Check arguments to cmpxchg.
901 (builtin_description): Remove.
902 (bdesc_2argsi, bdesc_2argdi): Remove.
903 (ia64_init_builtins): Declare all builtins directly.
904 (ia64_expand_fetch_and_op): Rewrite to be called from
905 ia64_expand_builtin directly. Use expand_binop and co.
906 (ia64_expand_op_and_fetch): Likewise.
907 (ia64_expand_compare_and_swap): Likewise.
908 (ia64_expand_binop_builtin): Remove.
909 (ia64_expand_lock_test_and_set): New.
910 (ia64_expand_lock_release): New.
911 (ia64_expand_builtin): Use them.
912 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
913 (EXTRA_CONSTRAINT): Use it.
914 (PREDICATE_CODES): Update.
915 * config/ia64/ia64.md (*): Use gr_register_operand and co.
916 (mf): Indicate that we set memory as well as use it.
917 (fetchadd_acq_si): Show memory being modified as well.
918 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
919 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
920 (lock_test_and_set_si, lock_test_and_set_di): Remove.
921 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
922 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
923 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
924 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
925 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
926 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
927 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
928 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
929 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
930 return type. Pretty print definitions.
932 2000-08-24 Jim Wilson <wilson@cygnus.com>
934 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
935 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
937 2000-08-24 Jason Merrill <jason@redhat.com>
939 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
940 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
941 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
942 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
944 2000-08-24 Greg McGary <greg@mcgary.org>
946 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
947 and extendtab within their proper array boundaries.
948 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
949 for the entire array.
951 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
952 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
953 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
954 * config/fr30/fr30.c (fr30_print_operand): Likewise.
955 * config/i386/dgux.c (output_options): Likewise.
956 * config/i386/dgux.h (ASM_FILE_START): Likewise.
957 * config/m88k/m88k.c (output_options): Likewise.
958 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
959 * config/mcore/mcore.c (mcore_output_inline_const_forced,
960 layout_mcore_frame, handle_structs_in_regs): Likewise.
961 * config/mips/mips.c (output_block_move): Likewise.
962 * config/rs6000/rs6000.c (rs6000_override_options,
963 rs6000_file_start): Likewise.
964 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
965 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
966 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
967 * builtins.c (expand_builtin_setjmp): Likewise.
968 * expr.c (safe_from_p): Likewise.
969 * flow.c (life_analysis): Likewise.
970 * fold-const.c (size_int_type_wide): Likewise.
971 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
972 * genattrtab.c (make_length_attrs): Likewise.
973 * genopinit.c (gen_insn): Likewise.
974 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
975 * global.c (global_alloc): Likewise.
976 * local-alloc.c (find_free_reg): Likewise.
977 * mips-tdump.c (print_symbol): Likewise.
978 * mips-tfile.c (parse_def, parse_input): Likewise.
979 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
980 * stmt.c (expand_nl_goto_receiver): Likewise.
981 * stor-layout.c (set_sizetype): Likewise.
982 * varasm.c (decode_reg_name): Likewise.
983 * toplev.c (decode_f_option, decode_W_option,
984 set_target_switch, print_switch_values): Likewise.
985 (NUM_ELEM): Remove macro.
986 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
988 2000-08-24 Greg McGary <greg@mcgary.org>
990 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
991 (MAIN_NAME_P, main_identifier_node): New macros.
992 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
993 * c-decl.c (start_decl, grokdeclarator, start_function,
994 store_parm_decls, finish_function): Use MAIN_NAME_P.
995 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
996 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
997 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
998 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
1000 2000-08-24 Greg McGary <greg@mcgary.org>
1002 * cppfiles.c (actual_directory): Don't write beyond `dir'
1003 when it contains "".
1004 * real.c (asctoeg): Stay within bounds of etens[][].
1006 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1008 * dependence.c (dependence_string, direction_string,
1009 dump_one_node, dump_node_dependence): Hide unused identifiers.
1010 (get_low_bound, normalize_coefficients): Match definition to
1012 (get_one_coefficient): Initialize variables `value0_is_idx' and
1014 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
1015 (ziv_test): Delete variable `idx', use parameter `sub' instead.
1016 (direction_merge): Avoid automatic aggregate initialization.
1017 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
1018 Initialize variables `dest_idx' and `src_idx'.
1019 (end_dependence_analysis): Avoid C89 style function definition.
1021 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
1023 * c-common.c (time_char_table): Don't allow width with %F.
1024 (check_format_info): Don't allow "Z" length with scanf.
1026 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
1028 * diagnostic.c (finish_diagnostic): Define.
1029 (output_do_printf): Use wrap_text instead of output_add_string.
1030 (default_print_error_function): Avoid embedded '\n'.
1032 * diagnostic.h (flush_diagnostic_buffer): Declare.
1034 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
1036 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
1038 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
1040 * Makefile.in (GCC_PASSES): Add specs.
1042 2000-08-23 Jim Wilson <wilson@cygnus.com>
1044 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
1045 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
1046 EHANDLER nor UHANDLER bit is set.
1047 (__get_except_table): Likewise.
1049 2000-08-23 Nick Clifton <nickc@redhat.com>
1051 * config/arm/lib1funcs.asm: Replace upper case condition codes
1052 with lower case versions.
1054 * config/arm/arm.h (STRUCT_VALUE): Define.
1055 (STRUCT_VALUE_REGNUM): Delete.
1057 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
1059 * cpphash.h (IN_I): New flag for directive table.
1060 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
1062 (_cpp_check_directive): If -fpreprocessed, execute directives
1063 marked with IN_I. Issue no warnings in this case.
1064 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
1066 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
1068 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
1070 (check_format_info): Support printf 'I' flag; warn about it with
1073 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
1075 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
1076 barrier can't be ignored by the alias analysis code.
1078 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
1080 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
1081 works inside fixincl.
1083 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
1085 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
1086 simplify_relational_operation() unless both operands are of
1088 * cse.c (fold_rtx): Likewise.
1090 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
1092 * rtlanal.c (rtx_unstable_p): The pic register is stable
1093 (within one function) and the actual rtx should be used
1094 when checking the registers.
1095 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
1097 * alias.c (true_dependence, write_dependence_p): Fix
1098 bug in previous patch.
1100 * i386.c (ix86_GOT_alias_set): New.
1101 (legitimize_pic_address): Use it.
1103 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
1104 only stable if its address is stable.
1105 (rtx_varies_p): An unchanging MEM can't vary if
1106 its address doesn't vary.
1108 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1110 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
1112 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1114 * vax.h (ASM_SPEC): Pass `-J' to assembler.
1115 * x-vax-gcc: New file for bootstrapping with gcc.
1116 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
1117 * configure.in: Use x-vax-gcc with gcc.
1118 * configure: Rebuilt.
1120 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1122 * toplev.c (rest_of_compilation): Rebuild label notes after
1123 post-reload splitting pass if new labels have been created.
1125 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
1127 * diagnostic.h (output_buffer_state): New macro.
1128 * diagnostic.c (diagnostic_for_decl, sorry,
1129 default_print_error_function, output_do_verbatim,
1130 report_diagnostic, report_problematic_module): Use it.
1132 (output_format): Use wrap_text instead of maybe_wrap_text.
1134 2000-08-22 Nick Clifton <nickc@redhat.com>
1136 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
1137 Common code for ARM divide and modulus functions.
1138 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
1140 (FUNC_END): New macro: Common code at the end of the division and
1142 (THUMB_FUNCTION_START): New macro: Common code at the start of
1144 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
1146 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
1148 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
1150 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
1151 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
1154 2000-08-22 Nick Clifton <nickc@redhat.com>
1156 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
1157 restorative additions, test for bottom bits of IP being set,
1158 rather than relying upon the RORs not matching.
1161 2000-08-22 David Edelsohn <edelsohn@gnu.org>
1163 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
1164 text_section() as appropriate instead of emitting text csect
1166 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
1167 (UNIQUE_SECTION): Define macro.
1168 (ASM_OUTPUT_SECTION_NAME): Define macro.
1169 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
1170 on AIX if debugging and -fdata-sections always.
1172 2000-08-22 Steven King <sxking@uswest.net>
1174 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
1176 (LDBL_MAX): Same here.
1178 2000-08-22 Richard Henderson <rth@cygnus.com>
1180 * flow.c (tidy_fallthru_edge): Update b->end properly.
1182 2000-08-22 Stan Cox <scox@redhat.com>
1184 * Makefile.in (OBJS): Add dependence.o.
1185 * dependence.c: New file.
1187 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
1189 * calls.c (check_sibcall_argument_overlap_1): Adjust for
1191 (check_sibcall_argument_overlap): Likewise.
1193 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
1195 * invoke.texi (SH Options): Document -m4-nofpu,
1196 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
1197 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
1199 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
1201 * c-common.c (check_format_info): Give the 'some locales' warning
1202 for strftime %Ey rather than the unconditional 'only last 2 digits
1205 2000-08-22 Richard Henderson <rth@cygnus.com>
1207 * alias.c (init_alias_analysis): Do not register
1208 struct_value_incoming_rtx or static_chain_rtx as pointing
1211 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
1213 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
1215 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
1217 * diagnostic.h (report_problematic_module): Declare.
1218 * diagnostic.c (report_problematic_module): New function.
1219 (report_error_function): Tweak.
1221 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1223 * stmt.c (expand_goto_internal, fixup_gotos): Only check
1224 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
1226 2000-08-21 Richard Henderson <rth@cygnus.com>
1228 * flow.c (calculate_global_regs_live): Mark frame pointer live
1229 everywhere before reload.
1231 2000-08-21 Jim Wilson <wilson@cygnus.com>
1233 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
1234 INTEL_EXTENDED_IEEE_FORMAT.
1235 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
1236 clear last two bytes of output FP value.
1238 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
1240 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
1242 2000-08-21 Jakub Jelinek <jakub@redhat.com>
1244 * unroll.c (loop_find_equiv_value): If ret is modified between
1245 insn and loop_start, ret might not be equivalent to reg.
1247 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1249 * c-common.c (init_dollar_format_checking,
1250 maybe_read_dollar_number, finish_dollar_format_checking): New
1252 (dollar_arguments_used, dollar_arguments_count,
1253 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
1255 (check_format_info): Support $ formats for scanf and printf width
1256 and precision. Always increment format_chars to advance past the
1257 '*' of precision, not just when the format parameters are
1260 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1262 * mips.c (block_move_loop, expand_block_move,
1263 function_arg_partial_nregs, save_restore_insns, function_prologue,
1264 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
1266 (function_arg_advance, function_arg): Match argument to format
1269 2000-08-21 Nix <nix@esperi.demon.co.uk>
1271 * gcc.c (do_spec_1): Implement %j spec flag.
1272 Remove dead comment.
1274 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
1275 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
1276 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
1277 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
1279 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
1280 writable) instead of hardcoded value.
1282 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
1284 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
1287 * gcc.c (cc1_options): Do not process -o or run the assembler if
1289 * objc/lang-spec.h: Likewise.
1291 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
1293 * fixinc/fixincl.c (fix_with_system): Pipe the output of
1294 "external" fixes through `cat', to avoid truncating the input
1295 file by redirection.
1297 2000-08-21 Jakub Jelinek <jakub@redhat.com>
1299 * config/i386/i386.md (lea_general_1): Copy insn condition to split
1301 (lea_general_2, lea_general_3): Likewise.
1303 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1305 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
1306 warnings to user code.
1308 * c-lex.c (readescape, yylex): Likewise.
1310 * c-typeck.c (store_init_value, process_init_element): Likewise
1311 (c_expand_start_case): Format.
1313 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
1315 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
1317 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
1318 and linker_endian_spec to endian_spec.
1319 (ENDIAN_SPEC): Add %{EB} and %{EL}.
1320 (LINK_SPEC): Remove %{EB} and %{EL}.
1321 (ASM_SPEC): Likewise. Use %(endian_spec).
1323 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1325 * c-tree.h (flag_hosted): Move declaration from here...
1326 * c-common.h (flag_hosted): ... to here.
1327 (flag_noniso_default_format_attributes): New declaration.
1328 * c-decl.c (flag_noniso_default_format_attributes): New variable.
1329 (c_decode_option): Set it appropriately for options choosing
1330 language standard variant.
1331 * c-common.c (init_function_format_info): Only provide default
1332 format attributes if flag_hosted. Only provide the gettext
1333 formats if flag_noniso_default_format_attributes. Update
1335 (check_format_info): Disable treatment of %a as a scanf flag in
1338 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1340 * c-common.c (scan_char_table): Add 'w' to flags for all formats
1342 (check_format_info): Set 'wide' for scanf format widths. Warn for
1343 a zero scanf width. Make the check for writing into a constant
1344 object at the first level of indirection; at later levels, warn if
1345 any type qualifiers are encountered.
1347 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
1349 * reload.c (reload_inner_reg_of_subreg): New function broken out of
1351 (push_reload): Use reload_inner_reg_of_subreg.
1352 (combine_reloads): Do not combine reloads if the input reload
1353 is a SUBREG in which the inner part will need reloading.
1355 * global.c (global_alloc): Avoid passing dumpfile argument to
1357 * toplev.c (rest_of_compilation): Likewise.
1358 * reload.h (reload): Remove dumpfile argument. Callers changed.
1359 (debug_reload, debug_reload_to_stream): Move prototypes here.
1360 * rtl.h (reload): Remove dumpfile argument.
1361 * reload.c (debug_reload): Remove prototype.
1362 (debug_reload_to_stream): Likewise.
1363 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
1366 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1368 * diagnostic.c (context_as_prefix): Export.
1369 (need_error_newline): Remove.
1370 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
1371 (error_module_changed, record_last_error_module,
1372 error_function_changed, record_last_error_function): New functions.
1373 (initialize_diagnostics): Default intialize
1374 lang_diagnostic_starter, lang_diagnostic_finalizer.
1375 (init_output_buffer): Tweak.
1376 (file_name_as_prefix): New function.
1377 (announce_function, default_print_error_function,
1378 report_error_function, set_diagnostic_context): Tweak.
1380 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
1382 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
1383 condition expression.
1385 2000-08-20 Richard Henderson <rth@cygnus.com>
1387 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
1389 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
1391 * cppinit.c (cpp_init): Set global flag when called.
1392 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
1394 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
1396 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
1397 before `process_directive' so that newlines won't be missed
1399 (cpp_printf): Increment `print->lineno' when newline is emitted.
1401 * cppmain.c (cb_ident): Likewise.
1402 (cb_define): Likewise.
1403 (cb_undef): Likewise.
1404 (cb_include): Likewise.
1405 (cb_def_pragma): Likewise.
1406 (dump_macros_helper): Likewise.
1408 2000-08-20 Richard Henderson <rth@cygnus.com>
1410 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
1411 assigned before a loop.
1413 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
1414 (ashrsi3, lshrsi3): Likewise.
1416 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
1418 * c-lang.c: #include diagnostic.h
1419 (c_tree_printer): New function.
1420 (lang_init): Initialize lang_printer.
1422 * Makefile.in (c-lang.o): Depends on diagnostic.h
1424 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
1426 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
1428 * diagnostic.c (default_diagnostic_starter,
1429 default_diagnostic_finalizer): New functions.
1430 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
1431 (pedwarn, pedwarn_with_file_and_line, error,
1432 error_with_file_and_line, fatal, warning,
1433 warning_with_file_and_line): Adjust call to report_diagnostic.
1434 (report_diagnostic): Rework.
1435 (set_diagnostic_context): New function.
1437 * diagnostic.h (struct diagnostic_context): New data structure.
1438 (diagnostic_message, diagnostic_argument_list,
1439 diagnostic_file_location, diagnostic_line_location,
1440 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
1441 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
1442 (set_diagnostic_context): Declare.
1443 (report_diagnostic): Change prototype.
1445 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
1447 * fix-header.c (main): Initialize cpplib.
1449 2000-08-19 Michael Meissner <meissner@redhat.com>
1451 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
1452 instructions in it before checking for indirect jumps.
1454 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
1455 in a indirect jump as a potential for conditional execution.
1457 * d30v.h (d30v_init_expanders): Don't declare here.
1458 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
1461 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
1463 * cpp.texi: Add @section for assertions.
1465 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
1467 * loop.c (scan_loop): Use CONST_CALL_P instead of
1468 checking for REG_LIBCALL / REG_RETVAL.
1470 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
1472 * reload1.c (reload_as_needed): Accept dumpfile argument,
1473 pass it to emit_reload_insns.
1474 (emit_reload_insns): Add new dumpfile argument. If non-null
1475 then dump the reloads for each insn into the dumpfile.
1476 (reload): Pass dumpfile to reload_as_needed.
1478 * invoke.texi: Clean up linux-gnu vs linux comments.
1480 2000-08-19 Richard Henderson <rth@cygnus.com>
1482 * config/ia64/ia64.c (reg_or_5bit_operand): New.
1483 (ia64_depz_field_mask): New.
1484 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
1485 (PREDICATE_CODES): Update.
1486 * config/ia64/ia64.md: Update commentary.
1487 (depz_internal): New.
1488 (ashlsi3): Implement directly.
1489 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
1490 (ashldi3): Use shladd.
1491 * config/ia64/ia64-protos.h: Update.
1493 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
1495 * toplev.c (independent_decode_option): Always process -g.
1496 Remove third argument, now unused. Adjust caller to match.
1498 2000-08-18 Richard Henderson <rth@cygnus.com>
1500 * combine.c (make_compound_operation): Break after creating
1503 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
1505 * cpplib.c (cpp_register_pragma_space): Just return if the
1506 namespace is already registered.
1508 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
1510 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
1511 constant amount. Do not generate ROTL instruction.
1513 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
1515 * config/sh/elf.h: Do not include sh/sh.h.
1516 * config/sh/rtems.h: Likewise.
1517 * config/sh/rtemself.h: Do not include sh/elf.h.
1518 * configure.in: Get them included with `tm_file's.
1519 * configure: Rebuilt.
1521 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
1522 * config/sh/sh.c (fpscr_set_from_mem): Use them.
1524 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1526 * stor-layout.c (compute_record_type): Don't use mode of single
1527 field as mode of record if not integer mode of same type.
1529 * regmove.c (perhaps_ends_bb_p): New function.
1530 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
1531 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
1532 (fixup_match_1): Likewise.
1533 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
1534 avoid signed/unsigned warnings.
1536 * function.c (fixup_var_refs_1, case MEM): Update CODE after
1539 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
1541 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
1542 (_cpp_trigraph_map): Declaration moved from cpplex.c
1544 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
1545 instead of 256. Use consistent test for designated initializers.
1546 (cpp_init): Initialize trigraph_map.
1547 (initialize_standard_includes, parse_option): Use memcmp
1550 * cpplex.c (init_trigraph_map): Remove.
1551 (trigraph_ok, trigraph_replace, lex_line): Refer to
1554 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
1555 (do_unassert): Remove unused "next" local.
1557 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
1559 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
1561 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
1564 2000-08-17 Richard Henderson <rth@cygnus.com>
1566 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
1567 the first insn in a sequence.
1569 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
1571 * alias.c (true_dependence, write_dependence_p): A read
1572 involving a label_ref or the constant pool doesn't create
1575 * rtl.h (unchanging): Improve documentation.
1577 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
1579 * cse.c (insert_regs): Remove unused `regno'.
1581 2000-08-17 Neil Booth <NeilB@earthling.net>
1583 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
1584 remove_dup_dirs. If qtail == brack, remove brack not
1586 (remove_dup_dir, remove_dup_dirs): New functions.
1588 2000-08-17 Neil Booth <NeilB@earthling.net>
1590 * cppinit.c (cpp_cleanup): Free include dir chains.
1591 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
1592 (do_unassert): Free the assert with _cpp_free_definition.
1593 * cppmacro.c (_cpp_free_definition): Free memory allocated for
1594 assertions. Make the node a T_VOID node.
1596 2000-08-17 Neil Booth <NeilB@earthling.net>
1598 * cppinit.c (path_include, append_include_chain):
1599 Remove 2nd parameter (struct cpp_pending *).
1600 (path_include, initialize_standard_includes, cpp_handle_option):
1601 Update callers appropriately.
1602 (cpp_handle_option): Use pend.
1604 2000-08-17 Neil Booth <NeilB@earthling.net>
1606 * cppinit.c (sort_options): Remove, put functionality in
1609 (initialize_builtins): Free memory.
1610 (cpp_start_read): Move init_IStable to cpp_init.
1612 * cpplib.h (cpp_init): New prototype.
1613 * cppmain.c (main): Call cpp_init.
1615 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
1617 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
1618 (rtx_unstable_p, rtx_varies_p): Process vectors.
1620 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
1622 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
1623 references to GLOBAL symbols. Use LOCAL where appropriate.
1625 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1627 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
1628 use t-aix41 when host == target.
1630 2000-08-16 Richard Henderson <rth@cygnus.com>
1632 * reload.c (push_secondary_reload): Revert last change.
1633 If we use a reload_in/out pattern, make the when the same
1634 as the primary reload.
1635 (find_reloads): Likewise.
1637 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
1639 * configure.in (libstdcxx-v3): Fix test.
1640 * configure: Regenerate.
1642 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1644 * calls.c (calls_function_1, expand_call): Only test
1645 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
1646 * function.c (thread_prologue_and_epilogue_insns): Likewise.
1648 2000-08-16 Richard Henderson <rth@cygnus.com>
1650 * combine.c (simplify_shift_const): Revert previous two
1651 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
1652 before the main loop.
1654 2000-08-15 Richard Henderson <rth@cygnus.com>
1656 * combine.c (simplify_shift_const): Bound shift count when
1659 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1661 * calls.c (ECF_SP_DEPRESSED): New macro.
1662 (calls_function_1): Treat calling sp-depressed function as alloca.
1663 (emit_call_1): Don't adjust SP if calling sp-depressed function.
1664 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
1665 If sp-depressed, ensure block saves and restores SP.
1666 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
1668 * function.c (keep_stack_depressed): New function.
1669 (thread_prologue_and_epilogue_insns): Call it.
1670 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
1671 to print DECL_OFFSET_ALIGN.
1672 Print no-force-blk and transparent-union flags properly.
1673 * stmt.c (expand_goto_internal): Don't restore stack if last block
1674 and function returns with sp depressed.
1675 (fixup_gotos): Likewise.
1676 (save_stack_pointer): New function, from code in expand_decl.
1677 (expand_decl): Call new function.
1678 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
1679 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
1680 (save_stack_pointer): New declaration.
1682 * diagnostic.c (fatal_function): New variable.
1683 (set_fatal_function): New function.
1685 * diagnostic.h (set_fatal_function): New declaration.
1687 2000-08-15 William Cohen <wcohen@redhat.com>
1689 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
1690 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
1691 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
1693 2000-08-15 Richard Henderson <rth@cygnus.com>
1695 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
1697 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1699 * arm.c (arm_function_ok_for_sibcall): New function.
1700 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
1701 * arm.md (call expanders): Don't check here for calls that can't
1704 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1706 * arm.md (splits generating cond_exec): Disable.
1708 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1710 * arm/linux-elf.h (text_section): Delete declaration.
1712 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1714 ARM support for unordered FP operations.
1715 * arm-protos.h (arm_comparison_operator): Declare.
1716 * arm.c (arm_comparison_operator): New function.
1717 (arm_select_cc_mode): Add unordered comparison codes.
1718 (get_arm_condition_code): Likewise.
1719 (arm_final_prescan_insn): Can't handle unordered jumps that can't
1720 be done in one insn.
1721 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
1722 * arm.md (all uses of comparison_operator): Replace with
1723 arm_comparison_operator.
1724 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
1726 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
1729 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1731 * gthr-posix.h: Conditionally include <sched.h>; include
1732 <config.h> from libobjc/.
1734 2000-08-14 Richard Henderson <rth@cygnus.com>
1736 * config/i386/i386.c (legitimize_pic_address): Use Pmode
1739 2000-08-14 Richard Henderson <rth@cygnus.com>
1741 * configure.in (ia64-*): Set float_format for i386 long double.
1743 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
1744 as we would for i386 XFmode.
1745 (PUT_REAL): Likewise.
1746 (endian, ereal_atof, real_value_truncate): Likewise.
1747 (ereal_isneg, toe64, etens, make_nan): Likewise.
1748 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
1750 * config/ia64/ia64-protos.h: Update.
1751 * config/ia64/ia64.c (general_tfmode_operand): New.
1752 (destination_tfmode_operand): New.
1753 (tfreg_or_fp01_operand): New.
1754 (ia64_split_timode): New.
1755 (spill_tfmode_operand): New.
1756 (ia64_expand_prologue): Use TFmode not XFmode.
1757 (ia64_expand_epilogue): Likewise.
1758 (ia64_function_arg): Likewise.
1759 (ia64_function_arg_advance): Likewise.
1760 (ia64_return_in_memory): Likewise.
1761 (ia64_function_value): Likewise.
1762 (ia64_print_operand): Likewise.
1763 (ia64_register_move_cost): Set GR<->FR to 5.
1764 (ia64_secondary_reload_class): Get GR for TImode memory op.
1765 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
1766 (ROUND_TYPE_ALIGN): Remove.
1767 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
1768 (INTEL_EXTENDED_IEEE_FORMAT): Define.
1769 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
1770 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
1771 (MODES_TIEABLE_P): Use TFmode, not XFmode.
1772 (CLASS_MAX_NREGS): Likewise.
1773 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
1774 (PREDICATE_CODES): Update.
1775 * config/ia64/ia64.md (movti): New.
1776 (movti_internal): Use a clobber for memory alternatives.
1777 (reload_inti, reload_outti): New.
1778 (movsfcc_astep): Predicate properly.
1779 (movdfcc_astep): Likewise.
1782 (extendsftf2, extenddftf2): New.
1783 (trunctfsf2, trunctfdf2): New.
1784 (floatditf2, fix_trunctfdi2): New.
1785 (floatunsditf2, fixuns_trunctfdi2): New.
1786 (addtf3, subtf3, multf3, abstf2): New.
1787 (negtf2, nabstf2, mintf3, maxtf3): New.
1788 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
1790 (fr_spill): Use TFmode, not XFmode.
1791 (fr_restore): Likewise.
1792 * config/ia64/lib1funcs.asm (__divtf3): New.
1793 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
1795 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1797 * cse.c (fold_rtx): Avoid empty body in an if-statement.
1799 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
1800 `U' integer constant suffix.
1802 * dwarf2out.c (add_subscript_info): Avoid empty body in an
1805 * sparc/sol2.h (__enable_execute_stack): Prototype.
1807 2000-08-14 David Edelsohn <edelsohn@gnu.org>
1809 * collect2.c: Remove use of AIX import file.
1811 * longlong.h: Test ARCH_PWR not ARCH_POWER.
1813 * rs6000.c (print_operand, case 'E'): Add else.
1815 2000-08-14 Richard Henderson <rth@cygnus.com>
1817 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
1818 (movdi_symbolic): New.
1820 2000-08-14 Jim Wilson <wilson@cygnus.com>
1822 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
1823 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
1824 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
1827 2000-08-14 Richard Henderson <rth@cygnus.com>
1829 * expr.c (emit_group_load): Don't force constants into registers.
1830 Special case source already in the correct mode.
1832 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
1834 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
1835 * fixinc/inclhack.def: Likewise.
1836 * fixinc/mkfixinc.sh: Likewise.
1837 * configure: Regenerate.
1838 * fixinc/fixincl.x: Regenerate.
1839 * install.texi: Document equivalence of linux and linux-gnu.
1841 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1843 * cse.c (insert_regs): Also in REG case: When finding an invalid
1844 value, and we make a new quantity, make sure that it won't be
1845 mistaken by for a valid one by mention_regs.
1847 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
1849 * h8300.md: Remove obsolete peepholes.
1851 2000-08-13 Kazu Hirata <kazu@hxi.com>
1853 * invoke.texi (H8/300 Options): Fix typos.
1854 * config/h8300.c: Fix formatting.
1855 * config/h8300.h: Fix comment typos.
1856 (OVERRIDE_OPTIONS): Fix formatting.
1858 * function.c: Fix formatting.
1860 * cse.c: Fix formatting.
1862 2000-08-13 Geoff Keating <geoffk@cygnus.com>
1864 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
1865 (attempt_auto_inc): Suppress parentheses warning.
1866 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
1867 * loop.c (load_mems): Remove `u' suffix in two places.
1868 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
1870 * config/rs6000/rs6000.h: Likewise.
1871 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
1872 __eabi dummy routine.
1873 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
1876 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
1877 not put stuff in .sdata unnecessarily.
1878 (rs6000_unique_section): New function.
1879 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
1880 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
1882 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
1883 arrays in C99. Don't try to look at DECL_REGISTER of a
1884 COMPONENT_REF. Don't complain twice about the same error.
1886 * fixinc/inclhack.def (aix_pthread): New fix.
1887 (aix_sysmachine): New fix.
1888 * fixinc/fixincl.x: Regenerate.
1890 * expr.c (expand_expr): Call convert_modes when turning a large
1891 multiply into a small one.
1893 2000-08-12 Geoff Keating <geoffk@cygnus.com>
1895 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
1896 the tree structure an exponent rather than an explicit alignment
1897 so it doesn't overflow.
1898 (SET_DECL_OFFSET_ALIGN): New macro.
1899 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
1900 rather than DECL_OFFSET_ALIGN.
1901 (place_field): Likewise.
1902 * expmed.c (store_bit_field): Abort on align==0 to avoid
1903 antisocial machine behaviour.
1905 2000-08-12 Richard Henderson <rth@cygnus.com>
1907 * sibcall.c (uses_addressof): Accept both addressof and
1908 current_function_internal_arg_pointer inside a mem.
1909 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
1910 if current_function_uses_addressof.
1911 * stmt.c (expand_return): Kill tail recursion and HAVE_return
1914 2000-08-11 Richard Henderson <rth@cygnus.com>
1916 * config/ia64/ia64.md (addsi3): Remove expander.
1917 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
1918 (*addsi3_shladd): New.
1920 2000-08-11 Richard Henderson <rth@cygnus.com>
1922 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
1923 (do_restore): Likewise.
1924 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
1925 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
1926 (rtx_needs_barrier): Track actual bit manipulation for
1927 ar.unat moves, gr_spill, and gr_restore.
1928 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
1929 (process_set): Don't handle varargs spills.
1930 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
1931 .mem.offset here instead of in process_set.
1932 (gr_restore): Likewise.
1934 2000-08-11 Richard Henderson <rth@cygnus.com>
1936 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
1938 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
1940 * gcc.texi (The Configuration File): Document
1941 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
1942 UPDATE_PATH_HOST_CANONICALIZATION.
1944 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1946 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
1947 unprototyped function pointer casts on integer constants.
1949 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
1951 * fixproto: Recognize DOS paths with drive letters as absolute paths.
1953 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
1955 * extend.texi (Volatiles): Fix typos.
1957 2000-08-11 Kazu Hirata <kazu@hxi.com>
1959 * flow.c: Fix formatting.
1961 2000-08-11 Richard Henderson <rth@cygnus.com>
1963 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
1964 pattern, always allocate a tertiary scratch register.
1966 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
1967 (reload_inhi): Likewise.
1969 2000-08-11 Richard Henderson <rth@cygnus.com>
1971 * function.c (put_reg_into_stack): Allow type to be NULL.
1972 (schedule_fixup_var_refs): Likewise.
1973 (gen_mem_addressof): Allow decl to be NULL.
1974 (put_addressof_into_stack): Likewise.
1976 * flow.c (merge_blocks_nomove): Be more careful about
1977 locating the beginning of block A.
1979 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
1981 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1986 * config.in: Reverted the check for <sched.h>.
1988 2000-08-10 Chris Demetriou <cgd@sibyte.com>
1990 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
1991 macros define the name of CTOR and DTOR sections.
1992 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
1993 DTOR_LIST_END): Change to use attributes to specify
1995 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
1996 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
1997 DTOR_LIST_END): Same as in mips/elf.h.
1999 2000-08-10 Drew Moseley <dmoseley@redhat.com>
2001 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
2002 disabling just crt0.o.
2004 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
2006 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
2007 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
2008 (EXTRA_SPECS): Add them.
2009 * arm/lib1funcs.asm: Support builds for interworking.
2010 Use macros to eliminate duplicated pieces of code.
2012 2000-08-10 Kazu Hirata <kazu@hxi.com>
2014 * h8300.c (expand_a_rotate): New.
2015 (emit_a_rotate): Likewise.
2016 (h8300_adjust_insn_length): Add support for the rotate insns.
2017 * h8300.md (rotlqi3): New.
2018 (*rotlqi3_1): Likewise.
2019 (rotlhi3): Likewise.
2020 (*rotlhi3_1): Likewise.
2021 (rotlhi3): Likewise.
2022 (*rotlhi3_1): Likewise.
2023 * h8300-proto.h: Add prototypes for expand_a_rotate and
2026 * h8300.c: Fix comment typos.
2027 (dosize): Declare the variable amount as unsigned.
2028 (get_shift_alg): Fix a comparison between signed and unsigned.
2029 (emit_a_shift): Likewise.
2030 (h8300_adjust_insn_length): Simplify the code.
2032 * c-decl.c: Fix formatting.
2034 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2036 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
2037 warning about non-traditional numeric constant suffixes.
2039 * cppexp.c (parse_number): Likewise.
2041 * invoke.texi: (-Wtraditional): Document new behavior.
2043 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2045 * gthr-posix.h: Include auto-host.h. Conditionally include
2047 * configure.in: Check for the <sched.h> header file.
2048 * config.in: Added define for HAVE_SCHED_H.
2050 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2052 * c-typeck.c (process_init_element): For -Wtraditional, warn about
2053 initialization of unions.
2055 * invoke.texi (-Wtraditional): Document new behavior.
2057 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
2059 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
2060 instead of extra_c_flags.
2061 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
2062 * configure: Regenerate.
2063 * config.in: Regenerate.
2065 * cpperror.c (cpp_type2name): New function.
2066 * cpplex.c (lex_line): If we issued an error for an invalid
2067 preprocessing directive, discard that logical line.
2068 * cpplib.c (do_line): Call a hook function if the current file
2069 is renamed by #line.
2070 (do_ident): Pass the contents of the string, not the entire
2071 token, to the callback function.
2072 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
2073 (cb.rename_file): New hook function.
2074 (cb.ident): Adjust prototype.
2075 (cpp_type2name): Prototype.
2076 * cppmacro.c (dump_macro_args): Correct precedence lossage.
2078 * cppmain.c (cb_ident): Update for changed interface.
2079 (cb_rename_file): New function.
2080 (main): Set rename callback.
2082 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
2084 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
2085 multi-word registers.
2087 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
2089 * c-common.c (combine_strings, check_format_info): Refer to ISO C
2090 or ISO C89 instead of ANSI C.
2091 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
2092 build_enumerator, do_case): Likewise.
2093 * c-lex.c (parse_float, yylex): Likewise.
2094 * c-parse.in: Likewise.
2095 * c-typeck.c (common_type, build_array_ref, build_binary_op,
2096 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
2097 build_c_cast, convert_for_assignment, set_init_index,
2098 set_init_label, c_expand_start_case): Likewise.
2099 * toplev.c (documented_lang_options, display_help): Likewise.
2101 2000-08-08 Kazu Hirata <kazu@hxi.com>
2103 * h8300.c: Fix formatting.
2104 * h8300.h: Likewise.
2105 * h8300.md: Likewise.
2106 (movsi_h8300hs): Fix formatting of the resulting assembly code.
2108 * reload1.c: Fix formatting.
2110 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
2112 * alpha/alpha.c (alpha_emit_xfloating_libcall):
2113 Use GEN_CALL_VALUE define.
2114 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
2115 * clipper/clipper.md (untyped_call): Likewise.
2116 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
2117 * fx80/fx80.md (untyped_call): Likewise.
2118 * mips/mips.md (untyped_call): Likewise.
2119 * ns32k/ns32k.md (untyped_call): Likewise.
2120 * pa/pa.md (untyped_call): Likewise.
2121 * romp/romp.md (untyped_call): Likewise.
2122 * sparc/sparc.md (untyped_call): Likewise.
2124 2000-08-08 Jason Eckhardt <jle@cygnus.com>
2126 * config/i860/i860.c (singlemove_string): Do not generate assembler
2127 pseudo instructions that must be expanded (that is, with signed
2128 constants larger than 16 bits).
2130 2000-08-08 Richard Henderson <rth@cygnus.com>
2132 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
2133 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
2134 (init_propagate_block_info): Don't kill memory stores at -O0.
2135 (mark_set_1, mark_used_regs): Likewise.
2137 2000-08-08 David Edelsohn <edelsohn@gnu.org>
2139 * rs6000.c (optimization_options): Decorate 'level' as
2141 (mask64_operand): Remove sign-extend thinko.
2142 (rldic_operand): New function.
2143 (load_multiple_operation): regno's are unsigned ints.
2144 (store_multiple_operation): Likewise.
2145 (lmw_operation): Likewise.
2146 (stmw_operation): Likewise.
2147 (includes_lshift_p): shift_mask is unsigned int.
2148 (includes_lshift64_p): New function.
2149 (addrs_ok_for_quad_peep): unsigned int reg1.
2150 (print_operand): Consistently add "else" after
2151 output_operand_lossage().
2152 (print_operand, case 'b'): Fold in case 'W'.
2153 (print_operand, case 'W'): Print rldic MB value.
2154 (output_epilogue): Update Objective-C language string.
2155 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
2156 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
2157 * rs6000.md (ashldi3): Add rldic instruction.
2158 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
2159 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
2162 2000-08-08 Richard Henderson <rth@cygnus.com>
2164 * config/ia64/ia64-protos.h: Remove duplicates. Update
2165 for massive code rearrangements.
2166 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
2167 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
2168 (ia64_local_regs, ia64_need_regstk): Remove.
2169 (ar_ccv_reg_operand): New.
2170 (ia64_gp_save_reg): New.
2171 (struct ia64_frame_info): Combine most of the size elements;
2172 add new gr save elements.
2173 (find_gr_spill): New.
2174 (next_scratch_gr_reg): New.
2175 (mark_reg_gr_used_mask): New.
2176 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
2177 to GR backing store regs when possible.
2178 (ia64_initial_elimination_offset): New.
2179 (ia64_rap_fp_offset): Remove.
2180 (save_restore_insns): Remove.
2181 (setup_spill_pointers): New.
2182 (finish_spill_pointers): New.
2183 (spill_restore_mem): New.
2184 (do_spill, do_restore): New.
2185 (ia64_expand_prologue): Rewrite to use them.
2186 (ia64_expand_epilogue): Likewise.
2187 (ia64_direct_return): Update for current_frame_info changes.
2188 (ia64_function_prologue): Simplify .prologue emission. Emit
2190 (ia64_setup_incoming_varargs): Don't ever emit rtl.
2191 (ia64_dbx_register_number): New.
2192 (ia64_initialize_trampoline): New.
2193 (ia64_secondary_reload_class): Request GR_REGS for integer
2194 arithmetic destined for FR_REGS.
2195 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
2196 (ia64_mark_machine_status): Mark ia64_gp_save.
2197 (rws_access_regno): Rename from rws_access_reg; don't treat
2198 predicates specially.
2199 (rws_access_reg): New. Update all callers.
2200 (rtx_needs_barrier): Remove dead unspecs.
2201 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
2202 (ia64_encode_section_info): Silence signed/unsigned warnings.
2203 (spill_offset, sp_offset, spill_offset_emitted): Remove.
2204 (tmp_reg, tmp_saved): Remove.
2205 (process_set): Rewrite to expect complicated bits via
2206 REG_FRAME_RELATED_EXPR.
2207 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
2208 in the use of ar.ccv; never set RTX_UNCHANGING_P.
2209 (ia64_expand_op_and_fetch): Likewise.
2210 (ia64_expand_compare_and_swap): Likewise.
2211 (ia64_expand_builtin): Likewise.
2212 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
2213 (FIRST_PSEUDO_REGISTER): Update.
2214 (AR_M_REGNO_P): Update.
2215 (FIXED_REGS): Don't mark three local registers as used.
2216 (EXTRA_CC_MODES): New.
2217 (SELECT_CC_MODE): New.
2218 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
2219 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
2220 (FRAME_GROWS_DOWNWARD): Unset.
2221 (STARTING_FRAME_OFFSET): Zero.
2222 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
2223 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
2224 (HARD_FRAME_POINTER_REGNUM): New.
2225 (CAN_DEBUG_WITHOUT_FP): Define.
2226 (TRAMPOLINE_TEMPLATE): Remove.
2227 (TRAMPOLINE_SIZE): Lower to 32.
2228 (TRAMPOLINE_ALIGNMENT): Lower to 64.
2229 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
2230 (PREDICATE_CODES): Update.
2231 (struct machine_function): Add ia64_gp_save.
2232 * config/ia64/ia64.md: Purge unused unspecs.
2233 (movsi patterns): Allow moves to/from AR_M_REGS.
2234 (movdi patterns): Allow moves to/from p0.
2235 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
2236 (gr_spill, gr_restore): Indicate ar.unat read/written.
2237 (nonlocal_goto): Don't pass old frame_pointer.
2238 (nonlocal_goto_receiver): Remove.
2239 (exception_receiver): New.
2240 (builtin_setjmp_setup): New.
2241 (builtin_setjmp_receiver): New.
2242 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
2243 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
2244 (__ia64_restore_stack_nonlocal): Likewise.
2245 (__ia64_trampoline): New.
2246 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
2248 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
2250 2000-08-08 Richard Henderson <rth@cygnus.com>
2252 * frame.h (ia64_frame_state): Add my_psp.
2253 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
2254 (__throw): Pass it in. Don't clobber r7.
2255 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
2256 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
2257 and nothing to do with sp.
2258 (normalize_reg_loc): Use frame->my_psp.
2259 (frame_translate): Handle frame-pointer-less functions. Set
2260 spill_base correctly, in absence of being told.
2261 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
2262 (__ia64_backtrace_helper): New sp argument. Use
2263 builtin_return_address instead of label addresses.
2264 (print_record) [mem_stack_v]: No size member.
2266 2000-08-08 Richard Henderson <rth@cygnus.com>
2268 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
2270 2000-08-08 Richard Henderson <rth@cygnus.com>
2272 * tm.texi (LOCAL_REGNO): Document.
2273 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
2274 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
2275 * reload1.c (reload): Likewise when considering nonlocal labels.
2277 * config/ia64/ia64.h (LOCAL_REGNO): New.
2278 * config/sparc/sparc.h (LOCAL_REGNO): New.
2280 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
2282 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
2284 2000-08-07 Nick Clifton <nickc@redhat.com>
2286 * config/mips/mips.c: Fix compile time warning messages.
2287 * config/mips/mips-protos.h: Add prototype for equality_op.
2289 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
2291 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
2293 * mn10300.md: Use nonimmediate_operand instead of general_operand
2296 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
2298 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
2300 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
2301 * sh.c (expand_block_move): Break long lines.
2302 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
2303 * sh.md (mulsi3): Likewise.
2304 (movdi): Adjust spacing.
2306 2000-08-07 Richard Henderson <rth@cygnus.com>
2308 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
2309 * expr.c (emit_group_store): Don't set it.
2311 2000-08-07 Kazu Hirata <kazu@hxi.com>
2313 * invoke.texi (Options for Debugging Your Program or GCC): Remove
2314 duplicate entries for 'w' and 'z'.
2316 * flow.c: Fix a comment typo.
2318 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2320 * c-parse.in: Changed the language string for Objective-C to "GNU
2323 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2325 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
2326 to improve the Posix thread support for Objective-C.
2328 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
2330 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
2331 CTI_UNSIGNED_PTRDIFF_TYPE.
2332 (signed_size_type_node): Define.
2333 (unsigned_ptrdiff_type_node): Define.
2334 * c-decl.c (init_decl_processing): Create the
2335 signed_size_type_node and unsigned_ptrdiff_type_node types.
2336 * c-common.c (T_SC): Define.
2339 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
2340 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
2342 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
2343 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
2344 flags for %c, %s and %[.
2345 (check_format_info): Only allow leniency for signedness of targets
2346 of character pointers (when pedantic) for formats flagged with
2347 "c", so for strings but not for %hh formats. When pedantic, don't
2348 allow character pointers to substitute for void pointers if a
2349 second level of indirection is present.
2351 2000-08-06 Kazu Hirata <kazu@hxi.com>
2353 * invoke.texi (Options for Debugging Your Program or GCC): Update
2354 the names of dump files.
2356 * h8300.c (dosize): Rearrange code for conciseness.
2357 (split_adds_subs): Likewise.
2359 * loop.c: Fix formatting.
2361 * dwarf2out.c: Fix formatting.
2363 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
2365 * expr.c: Fix formatting.
2367 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2369 * rs6000.c (rs6000_maybe_dead): Prototype.
2371 2000-08-06 Richard Henderson <rth@cygnus.com>
2373 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
2374 HAVE_nonlocal_goto as well.
2375 * config/i960/i960.md (nonlocal_goto): Don't do it here.
2376 * config/pj/pj.md (nonlocal_goto): Likewise.
2378 2000-08-07 Michael Hayes <mhayes@cygnus.com>
2380 * loop.c (try_swap_copy_prop): New function.
2381 (load_mems): Rename copies to load_copies and add new regset
2382 store_copies. Check for sets of shadow registers and mark
2383 in store_copies. Call try_swap_copy_prop for registers
2384 marked in store_copies.
2386 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2388 * objc/objc-act.c: New command line option -fconstant-string-class
2389 to allow specifying a user defined constant string class,
2390 different from NXConstantString.
2392 * toplev.c: Moved the Objective-C specific options to
2393 objc/lang-options.h.
2395 * objc/lang-options.h: Moved the Objective-C specific options from
2396 toplev.c. Added -fconstant-string-class.
2398 2000-08-05 Chris Demetriou <cgd@sibyte.com>
2400 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2401 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
2402 __CTOR_LIST__ from func_ptr array to just func_ptr, to
2403 avoid extra alignment imposed on arrays.
2404 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2405 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
2407 * mips.h: Clean up comments and spacing near MASKs.
2408 (TARGET_UNIX_ASM): Delete.
2409 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
2410 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
2413 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
2415 * c-common.c (print_char_table): Add entries for the X/Open '
2416 format flag (print decimals with locale's thousands grouping
2417 character). Make %C expect wint_t.
2418 (check_format_info): If pedantic, warn when the %n$ operand
2419 number form is used. Allow for the ' flag; warn about it if
2422 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
2424 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
2425 type is a float mode, cfun->decl's return type is not, and
2426 TARGET_FLOAT_RETURNS_IN_80387.
2428 2000-08-04 Andreas Schwab <schwab@suse.de>
2430 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
2431 token list, which are always `#' and `pragma'.
2433 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
2435 * tree.c (tree_expr_nonnegative_p): Move to...
2436 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
2437 (rtl_expr_nonnegative_p): New.
2438 * tree.h: Add prototype for rtl_expr_nonnegative_p.
2440 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
2441 CONST_DOUBLE_CHAIN: Move to...
2442 * rtl.h: ...here. Use XCINT/XCEXP.
2444 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
2445 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
2446 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
2449 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
2451 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2453 * config/c4x/c4x.md (return_indirect_internal): New.
2454 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
2456 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2458 * c-common.c (time_char_table): Mark up formats added in C99 and
2459 make other corrections. %D and %g were added in C99. %Og is an
2460 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
2461 C99. %e was added in C99. %Oj is an extension. %G and %z are in
2462 C99 rather than GNU extensions, but %OG and %Oz are extensions.
2463 %h was added in C99. %C was added in C99. %OY and %OC are
2464 extensions. Add the C99 format %F.
2465 (check_format_info): If pedantic and not in C99 mode, warn for C99
2468 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2470 * function.c (schedule_fixup_var_refs): New function, broken out
2471 of put_reg_into_stack.
2472 (put_reg_into_stack): Use it.
2473 (put_var_into_stack): In CONCAT case, fixup up references for
2474 components only after fixing up references to the whole concat.
2476 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
2478 * alias.c (mark_constant_function): Use INSN_P.
2479 (init_alias_analysis): Likewise.
2480 * combine.c (combine_instructions): Use INSN_P.
2481 (can_combine_p): Likewise.
2482 (try_combine): Likewise.
2483 (distribute_notes): Likewise.
2484 (distribute_links): Likewise.
2485 * cse.c (cse_around_loop): Use INSN_P.
2486 (invalidate_skipped_block): Likewise.
2487 (cse_set_around_loop): Likewise.
2488 (cse_end_of_basic_block): Likewise.
2489 (delete_trivially_dead_insns): Likewise.
2490 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
2491 (unshare_all_rtl_1): Likewise.
2492 (next_cc0_user): Likewise.
2493 (try_split make_insn_raw): Likewise.
2494 (remove_unnecessary_notes): Likewise.
2495 * final.c (shorten_branches): Use INSN_P.
2496 (leaf_renumber_regs): Likewise.
2497 (leaf_renumber_regs_insn): Likewise.
2498 * flow.c (find_label_refs): Use INSN_P.
2499 (verify_wide_reg): Likewise.
2500 (notice_stack_pointer_modification): Likewise.
2501 (count_or_remove_death_notes): Likewise.
2502 (verify_flow_info): Likewise.
2503 (clear_log_links): Likewise.
2504 * function.c (fixup_var_refs_insns): Use INSN_P.
2505 (compute_insns_for_mem): Likewise.
2506 * gcse.c (alloc_gcse_mem): Use INSN_P.
2507 (compute_sets): Likewise.
2508 (compute_hash_table): Likewise.
2509 (classic_gcse): Likewise.
2511 (insert_insn_end_bb): Likewise.
2512 (delete_null_pointer_checks_1): Likewise.
2513 * global.c (expand_preferences): Use INSN_P.
2514 (build_insn_chain): Likewise.
2515 * graph.c (node_data): Use INSN_P.
2516 * haifa-sched.c (priority): Use INSN_P.
2517 (rm_line_notes): Likewise.
2518 (rm_other_notes): Likewise.
2519 (find_insn_reg_weight): Likewise.
2520 (init_target_units): Likewise.
2521 (schedule_block): Likewise.
2522 (compute_block_forward_dependences): Likewise.
2523 (debug_dependencies): Likewise.
2524 (set_priorities): Likewise.
2525 * integrate.c (function_cannot_inline_p): Use INSN_P.
2526 (save_parm_insns): Likewise.
2527 (copy_insn_list): Likewise.
2528 * jump.c (mark_all_labels): Use INSN_P.
2529 (never_reached_warning): Likewise.
2530 * lcm.c (optimize_mode_switching): Use INSN_P.
2531 * local-alloc.c (validate_equiv_mem): Use INSN_P.
2532 (memref_used_between_p): Likewise.
2533 (update_equiv_regs): Likewise.
2534 (block_alloc): Likewise.
2535 (no_conflict_p): Likewise.
2536 * loop.c (scan_loop): Use INSN_P.
2537 (find_and_verify_loops): Likewise.
2538 (count_loop_regs_set): Likewise.
2539 (loop_reg_used_before_p): Likewise.
2540 (strength_reduce): Likewise.
2541 (recombine_givs): Likewise.
2542 (check_dbra_loop): Likewise.
2543 (load_mems): Likewise.
2544 (try_copy_prop): Likewise.
2545 * print-rtl.c (print_rtx): Use INSN_P.
2546 * recog.c (find_single_use): Use INSN_P.
2547 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
2548 (next_flags_user): Likewise.
2549 (swap_rtx_condition): Likewise.
2550 * regmove.c (mark_flags_life_zones): Use INSN_P.
2551 (optimize_reg_copy_1): Likewise.
2552 (optimize_reg_copy_2): Likewise.
2553 (optimize_reg_copy_3): Likewise.
2554 (reg_is_remote_constant_p): Likewise.
2555 (fixup_match_2): Likewise.
2556 (regmove_optimize): Likewise.
2557 (fixup_match_1): Likewise.
2558 * regrename.c (build_def_use): Use INSN_P.
2559 (replace_reg_in_block): Likewise.
2560 (consider_use): Likewise.
2561 * reload.c (find_equiv_reg): Use INSN_P.
2562 * reload1.c (reload): Use INSN_P.
2563 (maybe_fix_stack_asms): Likewise.
2564 (calculate_needs_all_insns): Likewise.
2565 (reload_as_needed): Likewise.
2566 (emit_output_reload_insns): Likewise.
2567 (delete_address_reloads_1): Likewise.
2568 (reload_cse_regs_1): Likewise.
2569 (reload_combine): Likewise.
2570 (reload_cse_move2add): Likewise.
2571 * reorg.c (redundant_insn): Use INSN_P.
2572 (dbr_schedule): Likewise.
2573 * resource.c (find_dead_or_set_registers): Use INSN_P.
2574 (mark_target_live_regs): Likewise.
2575 * rtlanal.c (reg_used_between_p): Use INSN_P.
2576 (reg_referenced_between_p): Likewise.
2577 (reg_set_between_p): Likewise.
2578 (reg_set_p): Likewise.
2579 (single_set): Likewise.
2580 (multiple_sets): Likewise.
2581 (find_last_value): Likewise.
2582 (reg_set_last): Likewise.
2583 (find_reg_note): Likewise.
2584 (find_regno_note): Likewise.
2585 * sibcall.c (sequence_uses_addressof): Use INSN_P.
2586 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
2587 * ssa.c (find_evaluations): Use INSN_P.
2588 (rename_block): Likewise.
2589 (rename_equivalent_regs): Likewise.
2590 * unroll.c (loop_find_equiv_value): Use INSN_P.
2591 (set_dominates_use): Likewise.
2592 * varasm.c (mark_constant_pool): Use INSN_P.
2593 (mark_constants): Likewise.
2594 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
2595 (alphaev4_next_group): Likewise.
2596 (alphaev5_next_group): Likewise.
2597 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
2598 (c4x_rptb_rpts_p): Likewise.
2599 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
2600 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
2601 (rs6000_adjust_priority): Likewise.
2602 * config/sh/sh.c (sh_loop_align): Use INSN_P.
2603 (machine_dependent_reorg): Likewise.
2604 (split_branches): Likewise.
2605 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
2607 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
2609 * combine.c (recog_for_combine): Remove the old notes
2610 prior to attempting to recognize the new pattern.
2611 (distribute_notes): Ignore REG_NONNEG notes.
2613 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
2615 * varasm.c (output_constructor): Add .align 0 for packed vars.
2617 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2619 * configure.in: Use default thread_file even when enable_threads is
2620 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
2621 * configure: Rebuilt.
2623 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
2625 2000-08-04 Donn Terry (donnte@microsoft.com)
2627 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
2629 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
2631 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
2632 Delete code that conditionally modifies 'version'.
2633 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
2634 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
2635 * gcc.c (main): Use it.
2636 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
2637 * prefix.c (update_path): Use it.
2638 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
2639 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
2640 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
2642 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
2643 (SUBTARGET_SWITCHES): Adjust.
2644 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
2646 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
2648 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2650 * c-common.h (flag_isoc94): Declare.
2651 * c-decl.c (flag_isoc94): Define.
2652 (c_decode_option): Set flag_isoc94 as appropriate.
2653 * c-common.c (T_PD, T_IM, T_UIM): Define.
2654 (format_char_info): Add tlen and jlen.
2655 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
2657 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
2659 (time_char_table): Add NULL entries for %t and %j.
2660 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
2661 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
2662 Warn for printf %lf if pedantic and not C99. Don't warn for empty
2663 precision. Allow precision argument to be unsigned int. If
2664 pedantic, warn for %p passed an argument not a pointer to possibly
2665 qualified void or a possibly qualified character type, and for
2666 pointer targets of the wrong sign, except for character pointers.
2668 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2670 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
2671 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
2672 (wint_type_node): Define.
2673 * c-decl.c (WINT_TYPE): Define.
2674 (init_decl_processing): Create the wint_type_node type.
2675 * c-common.c (T_WI): Define.
2676 (print_char_table): Use T_WI for %lc format.
2678 2000-08-04 Bruce Korb <bkorb@gnu.org>
2680 * fixinc/: Verified that the MSDOS patch does not break
2681 the UNIX functionality and applied the next three patches
2684 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
2686 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
2687 output file with the temporary one by appending ".X" to generate
2688 the temporary fuile's name. If the output file already has an
2689 extension, replace it with ".X".
2691 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
2692 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
2693 reallocate the command buffer while copying the command-line
2694 argument. Redirect the output directly to the temporary file,
2695 instead of going through another temporary file.
2696 (process): Close the temporary file before unlinking it.
2697 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
2698 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
2699 (run_compiles): Pass p_fixd argument to machine_matches, as it
2702 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
2703 environment, assume there are no symlinks in the include
2704 directory. When cleaning up the DONE files, look for them
2705 case-insensitively. Don't try to remove symlinks if they aren't
2708 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
2709 all callers changed. Declare pz "const char *", to avoid compiler
2712 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
2713 Change prototype of make_raw_shell_str.
2715 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
2717 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
2718 (initialize) [__MSDOS__]: Use tempnam.
2719 (initialize): Don't use SIGPIPE if it is not defined.
2721 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
2724 2000-07-25 Bruce Korb <bkorb@gnu.org>
2726 * fixinc/fix*.[ch]: substantially reworked to make it possible
2727 to run this program without using fork(2) or pipe(2) (i.e. in
2730 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2732 * cppdefault.h (WINT_TYPE): Define.
2733 * cppinit.c (builtin_array): Define __WINT_TYPE__.
2734 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
2735 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
2737 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
2739 * (mips_legitimate_address_p): Don't allow register+offset
2740 if the offset is large and negative, and we are compiling
2741 for 64 bit registers.
2743 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2745 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
2746 insn_code_number + 1.
2748 2000-08-04 Kazu Hirata <kazu@hxi.com>
2750 * h8300.c (function_prologue): Rearrange code for conciseness.
2751 (function_epilogue): Likewise.
2752 * h8300.h (OK_FOR_U): Fix formatting.
2754 * cse.c: Fix a comment typo. Fix formatting.
2756 2000-08-03 Richard Henderson <rth@cygnus.com>
2758 * config/i386/i386.md (return_indirect_internal): New.
2759 * config/i386/i386.c (ix86_expand_epilogue): Use it.
2761 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
2763 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
2765 (lex_line): Glue @ onto the beginning of identifiers and
2766 string constants, in Objective-C mode.
2767 (output_token, spell_token): Handle CPP_OSTRING.
2768 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
2769 beginning of a NAME or a STRING, in objc mode.
2771 * cpplib.c (get_define_node): Do not permit identifiers that
2772 begin with @ to be #defined.
2773 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
2774 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
2776 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
2777 * c-tree.h (build_objc_string): Delete prototype.
2778 * objc/objc-tree.def: Delete OBJC_STRING_CST.
2779 * c-lex.c (yylex): Use build_string for all three kinds of strings.
2781 * c-parse.in, objc/objc-act.c: Update commentary.
2783 2000-08-03 Mark Mitchell <mark@codesourcery.com>
2785 * extend.texi: Fix typo in last change.
2787 * extend.texi: Add commentary on statement-expressions and their
2788 interactions with C++.
2790 2000-08-03 Nick Clifton <nickc@cygnus.com>
2792 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
2793 * dwarf.h (LANG_JAVA): Change value to 0x000b.
2795 2000-08-03 Anthony Green <green@cygnus.com>
2797 * dwarf2out.c (gen_compile_unit_die): Add java language support.
2798 (add_bound_info): Check for java language.
2799 (is_java): New function.
2800 * dwarfout.c (output_compile_unit_die): Ditto.
2801 * dwarf.h (dwarf_source_language): Add java source language type.
2802 * dwarf2.h (dwarf_source_language): Ditto.
2804 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
2806 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
2809 * i386.c (ix86_expand_branch): Mode of comparison in
2810 IF_THEN_ELSE is VOIDmode.
2812 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
2814 * gengenrtl.c, rtl.c: Avoid #elif.
2816 2000-08-03 Michael Poole <poole@troilus.org>
2818 * tm.texi (Register Classes): Clarify order of sub-initializers
2819 in REG_CLASS_CONTENTS.
2821 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2823 From SAITOH Masanobu:
2824 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
2826 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
2828 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
2829 is not supported by tradcpp and isn't actually needed for cygwin.
2831 2000-08-03 Kazu Hirata <kazu@hxi.com>
2833 * h8300.c: Fix a comment typo.
2834 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
2836 * jump.c: Fix formatting.
2838 * toplev.c: Fix formatting.
2840 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
2842 * flow.c (find_auto_inc): Verify that we've got a REG before
2843 peeking at its regno. Fail, don't abort if we can't find
2844 the increment of the desired register.
2846 * pa.md (shadd height reduction patterns/splitters): Remove.
2848 2000-08-02 Jim Wilson <wilson@cygnus.com>
2850 * config/ia64/ia64-protos.h (flag_ssa): Declare.
2851 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
2853 2000-08-02 Mark Mitchell <mark@codesourcery.com>
2855 * dce.c: Remove all uses of assert.
2856 * dwarf2out.c: Likewise.
2857 * dwarfout.c: Likewise.
2860 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2862 * gcc.h (lang_specific_driver): Constify second argument.
2863 * gcc.c (translate_options, process_command, main): Likewise.
2864 Constify variables to match. Cast second argument to
2867 * cppspec.c, gccspec.c: Adjust type of second argument to
2868 lang_specific_driver, and update code as necessary.
2870 2000-08-02 Jakub Jelinek <jakub@redhat.com>
2872 * loop.c (scan_loop): Ensure update_end label does not
2873 go away until reg_scan_update is run.
2875 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2877 * c-common.h: Prototype min_precision and c_build_qualified_type here...
2878 * c-tree.h: ... not here.
2879 * errors.h: Prototype fancy_abort.
2881 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
2882 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
2883 * regrename.c (regrename_optimize): Make control flow explicit.
2884 (replace_reg_in_block): Initialize reg_use to 0.
2886 * i386.c (legitimate_address_p): Rename error label to
2887 report_error to avoid namespace clash.
2889 2000-08-02 Kazu Hirata <kazu@hxi.com>
2891 * fold-const.c: Fix formatting.
2893 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
2895 * i386.c (legitimate_address_p): Accept other bases than
2896 pic_offset_table_rtx for GOTOFF constructs.
2898 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
2900 * i386.md (shift to lea splitter): Use const_int_operand.
2902 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2904 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
2905 cppspec.c: Do not use 'legal' or 'illegal' in error messages
2908 * cppmain.c (cb_define, cb_undef): Don't generate any output
2909 if not done_initializing.
2910 * cpplex.c (maybe_paste_with_next): When the token after a ##
2911 is an omitted rest argument, only delete the token before it
2912 if that token is a comma. Do not warn about bogus token
2913 pastes for , ## rest_arg.
2916 * cpp.1: Regenerate.
2918 2000-08-02 Fred Fish <fnf@be.com>
2920 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
2921 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
2924 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
2925 Be directories to search path.
2927 Remove support for __declspec(dllimport) and __declspec(dllexport).
2928 This is leftover cruft from the earlier BeOS gcc port when BeOS
2929 used Microsoft's PE object file format.
2930 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
2931 * config/i386/t-beos (winnt.o): Remove Makefile frag.
2932 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
2933 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
2934 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
2935 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
2936 (REDO_SECTION_INFO_P): Remove.
2937 (ASM_EXPORT_DECL): Remove.
2938 (ASM_DECLARE_FUNCTION_NAME): Remove.
2939 (ASM_DECLARE_OBJECT_NAME): Remove.
2940 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2941 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
2942 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
2943 (STRIP_NAME_ENCODING): Remove.
2945 Remove support for obsolete version of BeOS that is no longer
2947 * configure.in (i*86-*-beospe*): Remove.
2948 * config/i386/beos-pe.h: Remove.
2950 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
2951 Mark Mitchell <mark@codesourcery.com>
2953 * Makefile.in (OBJS): Added dce.o.
2954 (ssa.o): Updated target to include ssa.h.
2956 (toplev.o): Likewise.
2957 (dce.o): Created target.
2958 * basic-block.h: Added comments.
2959 (INVALID_BLOCK): Added definition.
2960 (connect_infinite_loops_to_exit): Added declaration.
2961 Moved SSA declarations to ssa.h.
2962 * flow.c: Added inclusion of ssa.h.
2963 (struct depth_first_search_dsS, depth_first_search_ds):
2965 (compute_immediate_postdominators): Added definition.
2966 (connect_infinite_loops_to_exit): Likewise.
2967 (flow_dfs_compute_reverse_init): Likewise.
2968 (flow_dfs_compute_reverse_add_bb): Likewise.
2969 (flow_dfs_compute_reverse_execute): Likewise.
2970 (flow_dfs_compute_reverse_finish): Likewise.
2971 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
2972 (LABEL_P): Added definition.
2975 (BARRIER_P): Likewise.
2976 (JUMP_TABLE_DATA_P): Likewise.
2977 (INSN_DEAD_CODE_P): Likewise.
2978 * ssa.c: Replaced inclusions with ssa.h inclusion.
2979 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
2980 (rename_registers): Removed unnecessary variables.
2981 * ssa.h: Created by moving declarations from ssa.c and
2983 * timevar.def: Defined TV_DEAD_CODE_ELIM.
2984 * toplev.c: Added ssa.h inclusion.
2985 (dump_file_index): Added DFI_dce.
2986 (dump_file): Added "dce" entry.
2988 (f_options): Added dce entry.
2989 * invoke.texi: Document -fdce. Emphasize experimental status of
2993 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
2995 * cpperror.c (v_message): Split into _cpp_begin_message and
2996 v_message macro. All callers updated.
2997 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
3000 * cppfiles.c (cpp_syshdr_flags): New function.
3001 (read_include_file): Don't call cpp_output_tokens. Call
3003 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
3004 (cpp_reader_init): Don't initialize token_buffer. Call
3005 _cpp_init_internal_pragmas.
3006 (cpp_cleanup): Don't clear token_buffer.
3007 (cpp_start_read): Don't worry about output from -D processing.
3008 Don't call cpp_output_tokens.
3009 (cpp_finish): Don't dump macros here. Don't call
3011 * cppmacro.c (_cpp_dump_definition): Rename
3012 cpp_dump_definition. Write directly to a FILE *.
3013 (dump_funlike_macro): Delete.
3014 (dump_macro_args): New.
3016 * cpplex.c (TOKEN_LEN): Convert to inline function.
3017 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
3018 cpp_scan_line, _cpp_dump_list): Delete.
3019 (cpp_printf, cpp_output_list): New.
3020 (output_line_command): Don't worry about entering or leaving files.
3021 (cpp_scan_buffer): Just output each token as we hit it.
3022 (process_directive): Don't call cpp_output_tokens.
3023 (_cpp_glue_header_name): Don't use token_buffer.
3024 (output_token, dump_param_spelling): Write directly to a FILE *.
3026 * cpplib.c (pass_thru_directive, dump_macro_name,
3027 pragma_dispatch, do_pragma_gcc): Delete.
3028 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
3029 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
3031 (do_error, do_warning, pragma_dependency): Call
3032 _cpp_begin_message, then cpp_output_list.
3033 (cpp_register_pragma, cpp_register_pragma_space,
3034 _cpp_init_internal_pragmas): New.
3035 (do_pragma): Walk the pragmas table here.
3036 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
3037 do_pragma_dependency): Return void.
3038 (do_pragma_implementation): Moved to cppmain.c.
3040 * cpplib.h: Update prototypes.
3041 (struct cpp_reader): Remove printer, token_buffer,
3042 token_buffer_size, and limit. Add struct cb, and pragmas.
3043 (struct cpp_printer): Remove last_id and written.
3044 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
3045 CPP_ADJUST_WRITTEN): Delete.
3046 * cpphash.h: Update prototypes.
3047 (ufputs): New wrapper.
3049 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
3050 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
3051 (main): Set up callbacks. Register #pragma implementation.
3052 Dump macros from here.
3054 2000-08-01 Geoff Keating <geoffk@cygnus.com>
3056 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
3057 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
3058 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
3059 insns if they have a REG_MAYBE_DEAD note attached.
3060 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
3061 (rs6000_emit_load_toc_table): TOC loads may go dead.
3063 2000-08-01 Jim Wilson <wilson@cygnus.com>
3065 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
3066 type exists before using it. Use number of words as alignment
3068 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
3069 ia64_va_arg): Propagate ia64_function_args changes here.
3071 2000-08-01 Richard Henderson <rth@cygnus.com>
3073 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
3074 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3076 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
3078 From Joern Rennecke:
3079 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
3080 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
3081 unless TARGET_SH3E is set.
3082 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
3084 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
3085 (ashlsi3_std): New pattern.
3086 (ashlsi3 expander): Use it for TARGET_SH3.
3087 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
3089 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3091 * loop.c (canonicalize_condition): Use destination, not source to
3092 determine SET's mode.
3094 2000-07-31 Mark Mitchell <mark@codesourcery.com>
3096 * flow.c (clear_log_links): Fix typo.
3098 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
3100 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
3101 on targets which need more than one insn for a compare/cbranch
3104 2000-07-31 Jim Wilson <wilson@cygnus.com>
3106 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
3107 when computing offset.
3109 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
3111 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
3113 2000-07-31 Geoff Keating <geoffk@cygnus.com>
3115 * flow.c (clear_log_links): Nuke global_live_at_start and
3116 global_live_at_end data, since if the log_links stuff is invalid
3117 so is global_live_at_*.
3119 2000-07-31 Richard Henderson <rth@cygnus.com>
3121 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
3123 2000-07-31 Jakub Jelinek <jakub@redhat.com>
3125 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
3126 (_cpp_get_token): Don't macro expand a just pasted token if it
3127 was pasted at no_expand_level.
3129 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3131 * cppmacro.c (find_param, count_params, save_expansion):
3132 Permit 'defined' as a macro parameter name.
3134 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3136 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
3137 xcpp to cpp throughout.
3138 (native): Remove unnecessary dependency on cpp.
3140 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
3141 tradcpp to tradcpp0.
3142 (.i spec): Add missing output-file spec to cc1 command line.
3143 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
3145 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3147 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
3148 (implicit_decl_warning): New function.
3149 (implicitly_declare): Use it.
3150 * c-typeck.c (build_external_ref): Use implicit_decl_warning
3151 to complain about implicit decls of builtins.
3153 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
3154 based on pedantic && flag_isoc99, if not already set.
3155 * c-tree.h: Declare mesg_implicit_function_declaration.
3156 Prototype implicit_decl_warning.
3158 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
3160 * Makefile.in (ssa.o): Updated header files in dependences.
3161 * basic-block.h: Added compute_immediate_postdominators declaration.
3162 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
3164 * flow.c (compute_immediate_dominators): Updated comment.
3165 (compute_immediate_postdominators): Added definition.
3166 * rtl.h (HARD_REGISTER_P): Added definition.
3167 * ssa.c: Include additional header files.
3168 (assert): Added definition.
3169 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
3170 include select hard registers.
3171 (ssa_rename_to_insert): Likewise.
3172 (ssa_rename_from_initialize): Likewise.
3173 (ssa_rename_from_lookup): Likewise.
3174 (original_register): Likewise.
3175 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
3176 include select hard reigsters.
3177 (ssa_rename_from_traverse): Likewise.
3178 (ssa_rename_from_free): Likewise.
3179 (ssa_rename_from_print): Likewise.
3180 (ssa_rename_from_print_1): Likewise.
3181 (ssa_rename_from_hash_function): Likewise.
3182 (ssa_rename_from_equal): Likewise.
3183 (ssa_rename_from_delete): Likewise.
3184 (simplify_to_immediate_dominators): Removed in favor of
3185 flow.c:compute_immediate_dominators.
3186 (find_evaluations_1): Modified to work with hard registers.
3187 (insert_phi_node): Likewise.
3188 (insert_phi_nodes): Likewise.
3189 (struct rename_set_data): Updated prev_reg comment.
3190 (create_delayed_rename): Modified to work with hard registers.
3191 (RENAME_NO_RTX): Updated comment.
3192 (apply_delayed_renames): Modified to work with hard registers.
3193 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
3194 (rename_block): Updated to use revised ssa_rename_to interface.
3195 (rename_registers): Updated to use revised ssa_rename_to and
3196 ssa_rename_from interface.
3197 (convert_to_ssa): Revised to use compute_immediate_dominators and
3198 deal with hard registers.
3199 (make_regs_equivalent_over_bad_edges): Modified to work with hard
3200 registers. Added check for illegal unification of hard register.
3201 (make_equivalent_phi_alternatives_equivalent): Modified to work
3202 with hard registers.
3203 (compute_conservative_reg_partition): Likewise.
3204 (coalesce_if_unconflicting): Modified to work with hard registers
3205 and check for conflicting hard registers.
3206 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
3208 (rename_equivalent_regs_in_insn): Modified to work with hard
3210 (record_canonical_element_1): Added definition.
3211 (check_hard_regs_in_partition): Added definition.
3212 (convert_from_ssa): Added data structure deallocation and check
3213 for illegal hard register unification.
3214 (conflict_hard_regs_p): Added definition.
3215 * toplev.c (rest_of_compilation): Added comment.
3217 2000-07-31 Anthony Green <green@redhat.com>
3219 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
3221 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
3223 * builtins.c (expand_builtin_apply): Don't defer pop during
3226 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3228 * calls.c (combine_pending_stack_adjustment_and_call): Only use
3229 preferred_unit_stack_boundary when it is > 1.
3231 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
3233 * c-common.c (init_function_format_info): Add C99 format functions
3236 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
3237 void' or 'register void' as being the special case of 'void' alone
3238 in a parameter list.
3240 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
3241 discarding qualifiers into a plain warning.
3243 2000-07-31 Kazu Hirata <kazu@hxi.com>
3245 * combine.c: Fix formatting.
3247 * h8300.md: Fix formatting.
3249 * local-alloc.c: Fix formatting.
3251 * h8300.c (get_shift_alg): Remove the variable alg.
3252 (emit_a_shift): Rearrange code to improve readability.
3254 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
3256 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
3257 HImode on all architectures and a combination of HImode and SImode
3258 on H8/300H and H8/S.
3260 * h8300.c (split_adds_subs): Rearrange code for conciseness.
3262 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3264 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
3267 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3269 * recog.c (extract_insn): Set operand_mode according to
3270 operand if match_operand is VOIDmode.
3272 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3274 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
3276 2000-07-31 Geoff Keating <geoffk@cygnus.com>
3278 * c-parse.in (extdefs): Call ggc_collect between external
3281 2000-07-30 Michael Hayes <mhayes@cygnus.com>
3282 Richard Henderson <rth@cygnus.com>
3284 * Makefile.in (OBJS): Add doloop.o.
3285 * doloop.c: New file.
3287 * final.c (insn_current_reference_address): Return 0 before final.
3288 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
3289 * jump.c (any_uncondjump_p): Likewise.
3290 * loop.c (indirect_jump_in_function): Make static.
3291 (strength_reduce): Call doloop_optimize.
3292 (insert_bct, instrument_loop_bct): Remove.
3293 * loop.h (doloop_optimize): Prototype.
3294 * recog.c (split_all_insns): Split all INSN_P.
3295 * toplev.c (flag_branch_on_count_reg): Default on.
3297 * config/c4x/c4x.c (c4x_optimization_options): Don't set
3298 flag_branch_on_count_reg.
3299 * config/i386/i386.c (override_options): Likewise.
3300 * config/rs6000/rs6000.c (optimization_options): Likewise.
3302 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
3304 (dbra_ge): Remove, as well as all it's splitters.
3306 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
3309 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
3310 (ia64_register_move_cost): Declare.
3311 * config/ia64/ia64.c (ar_lc_reg_operand): New.
3312 (struct ia64_frame_info): Add ar_size.
3313 (ia64_compute_frame_size): Set it.
3314 (save_restore_insns): Save and restore ar.lc.
3315 (ia64_register_move_cost): New, moved from header file. Handle
3316 application registers.
3317 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
3318 (emit_insn_group_barriers): Special case doloop_end_internal.
3319 (ia64_epilogue_uses): Mark ar.lc live at end.
3320 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
3321 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
3322 (FIRST_PSEUDO_REGISTER): Make room.
3323 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
3324 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
3325 (REG_ALLOC_ORDER): Update.
3326 (HARD_REGNO_MODE_OK): Update.
3327 (REGISTER_NAMES): Update.
3328 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
3329 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3330 (REGNO_REG_CLASS): Update.
3331 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
3332 (REGISTER_MOVE_COST): Move out of line.
3333 (PREDICATE_CODES): Update.
3334 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
3335 (addsi3_plus1_alt, adddi3_plus1_alt): New.
3336 (shladd_elim splitter): Allow constants in the predicate.
3337 (doloop_end, doloop_end_internal): New.
3339 2000-07-30 Richard Henderson <rth@cygnus.com>
3341 * genattrtab.c (struct insn_def): Add lineno member.
3342 (struct insn_ent): Likewise.
3343 (struct attr_desc): Likewise.
3344 (struct delay_desc): Likewise.
3345 (struct function_unit_op): Likewise.
3346 (struct function_unit): Likewise.
3347 (check_attr_value): Use message_with_line.
3348 (check_defs): Likewise.
3349 (expand_units): Likewise.
3350 (check_attr_test): Take a lineno argument.
3351 (gen_attr): Likewise.
3352 (gen_insn): Likewise.
3353 (gen_delay): Likewise.
3354 (gen_unit): Likewise.
3355 (main): Give it to them.
3356 (convert_set_attr_alternative): Take an insn_def argument
3357 instead of num_alt and insn_index.
3358 (convert_set_attr): Likewise.
3359 (write_test_expr): Protect INSN_ADDRESSES load
3360 with INSN_ADDRESSES_SET_P.
3362 2000-07-30 Richard Henderson <rth@cygnus.com>
3364 * flow.c (init_propagate_block_info): Use pc_set.
3366 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
3368 * i386.md (*lea_general_[123]) New insns and splits.
3369 (addsi3 to lea splitter): Handle other modes too.
3370 (shlsi3 to lea splitter): Likewise.
3371 (addhi_1_lea, shlhi_1_lea): New patterns.
3372 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
3374 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
3376 * recog.c (general_operand, nonimmediate_operand): Accept
3377 any mode for VOIDmode CONSTANT_P operands.
3379 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3381 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
3382 instead of replace_rtx.
3383 * recog.c (validate_replace_rtx_subexp): New function.
3384 * recog.h (validate_replace_rtx_subexp): Declare.
3386 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
3388 * combine.c (simplify_set, make_extraction, make_compound_operation
3389 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
3390 as force_to_mode argument.
3392 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3394 * combine.c (if_then_else_cond): Be sure that mode fits in
3397 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3399 * combine.c (record_promoted_value): Allow bitsize of mode
3400 to be equivalent to HOST_BITS_PER_WISE_INT.
3402 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3404 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
3405 Do not call gen_mode_alignment when mode is BLKmode.
3407 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
3409 * loop.c (express_from_1): Fix call of simplify_gen_binary.
3411 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3413 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
3414 VOIDmode implies both operands to be VOIDmode.
3415 (simplify_ternary_operation): Compute properly the mode of comparison.
3416 * combine.c (combine_simplify_rtx): Likewise.
3418 2000-07-25 Michael Hayes <mph@paradise.net.nz>
3420 * basic-block.h (struct loops): New field rc_order.
3421 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
3422 (flow_loops_free): Free rc_order.
3423 (flow_depth_first_order_compute): New parameter rc_order.
3424 (flow_loops_find): Allocate rc_order and swap usage with
3427 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3428 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3430 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
3431 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
3432 (nodb_call, return_from_epilogue): Likewise.
3433 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
3434 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
3435 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
3436 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3437 (c4x_valid_type_attribute_p): Likewise.
3438 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
3439 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
3441 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3443 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
3444 and loadhi_big_constant if applicable.
3445 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
3446 and add new splitter.s
3448 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3450 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
3452 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3454 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
3456 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3458 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
3460 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3462 * config/c4x/libgcc.S (divqf3): Improve accuracy.
3464 2000-07-27 Mark Mitchell <mark@codesourcery.com>
3466 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
3467 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
3468 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
3469 (get_prev_bb_note): Likewise.
3470 (remove_scope_notes): Likewise.
3471 * flow.c (commit_one_edge_insertion): Likewise.
3472 (merge_blocks_nomove): Likewise.
3473 (verify_flow_info): Likewise.
3474 * gcse.c (insert_insn_end_bb): Likewise.
3475 * reg-stack.c (emit_swap_insn): Likewise.
3476 * ssa.c (first_insn_after_basic_block_note): New function.
3477 (insert_phi_node): Use it.
3478 (rename_block): Likewise.
3479 (eliminate_phi): Likewise.
3480 (make_regs_equivalent_over_bad_edges): Likewise.
3481 (make_equivalent_phi_alternatives_equivalent): Likewise.
3482 (for_each_successor_phi): Likewise.
3483 (convert_from_ssa): Modify phi-node deletion algorithm.
3485 2000-07-29 Andreas Jaeger <aj@suse.de>
3487 * configure.in (mips*-*-linux*): Use mips*el to check for little
3488 endian MIPS, add tmake_file.
3490 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
3491 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
3492 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
3494 2000-07-28 Richard Henderson <rth@cygnus.com>
3496 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
3497 Sign extend mode size before negating.
3499 2000-07-28 Richard Henderson <rth@cygnus.com>
3501 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
3503 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
3505 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
3506 (cse_insn): Likewise.
3507 (addr_affects_sp_p): Likewise.
3508 * expr.c (move_by_pieces): Likewise.
3509 (clear_by_pieces): Likewise.
3510 * gcse.c (oprs_unchanged_p): Likewise.
3511 * haifa-sched.c (sched_analyze_2): Likewise.
3512 * recog.c (offsettable_address_p): Likewise.
3513 * regclass.c (record_address_regs): Likewise.
3514 * reload.c (find_reusable_reload): Likewise.
3515 (push_reload): Likewise.
3516 (operands_match_p): Likewise.
3517 (decompose): Likewise.
3518 (find_reloads_address_1): Likewise.
3519 (find_inc_amount): Likewise.
3520 * reload1.c (elimination_effects): Likewise.
3521 * resource.c (mark_set_resources): Likewise.
3522 * flow.c (attempt_auto_inc): New function; mostly broken out
3524 (find_auto_inc): Split into two functions and enhanced to
3525 generate POST_MODIFY.
3526 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
3527 * rtl.h (count_all_occurrences): Declare.
3528 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
3530 * rtlanal.c (count_all_occurrences): New function.
3531 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
3532 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
3534 * config/ia64/ia64-protos.h (destination_operand): Declare.
3535 * config/ia64/ia64.c (destination_operand): New function.
3536 (ia64_print_operand): Handle POST_MODIFY.
3537 (rtx_needs_barrier): Likewise.
3538 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
3539 (HAVE_POST_MODIFY_REG): Define to 1.
3540 (MAX_REGS_PER_ADDRESS): Change to 2.
3541 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
3542 (LEGITIMATE_ADDRESS_REG): New helper macro.
3543 (LEGITIMATE_ADDRESS_DISP): Likewise.
3544 (PREDICATE_CODES): Add entry for destination_operand.
3545 * config/ia64/ia64.md (all mov patterns): Use destination_operand
3546 predicate for operand 0.
3548 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3550 * dwarf2out.c: Indent #error directive.
3552 * gbl-ctors.h: Fix typo in comment.
3553 (__do_global_ctors): Prototype.
3555 * gcse.c (record_one_set, pre_delete): Remove unused variables.
3557 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
3558 (print_operand): Initialize variable `t'.
3560 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
3562 * config/arm/arm.md ("call_value"): removed constraints.
3563 Constraints are ignored in expanders.
3564 (*call_value_reg): split =rf into various constraints.
3565 (*call_value_mem): same
3566 (*call_value_symbol): same
3567 (*sibcall_value_insn): same
3569 2000-07-28 Philipp Thomas <pthomas@suse.de>
3571 * install.texi (--enable-nls): Change the description of the NLS
3572 related configure options to match the current state.
3573 (--with-included-gettext): Likewise.
3574 (--enable-maintainer-mode): New description added.
3575 * extend.texi (-fstrict-prototype): Add missing '.'.
3577 2000-07-27 Jim Wilson <wilson@cygnus.com>
3579 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
3580 DECL_INITIAL (decl) == NULL_TREE.
3582 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
3584 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
3585 on insn-attr.h with it.
3586 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
3587 * insn-addr.h: New header.
3588 (insn_addresses_): Renamed from insn_addresses.
3589 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
3590 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
3591 INSN_ADDRESSES_NEW): New macros.
3592 * genattrtab.c (write_test_expr): Use new macros.
3593 * final.c (insn_addresses, init_insn_lengths): Likewise.
3594 (align_fuzz, shorten_branches): Likewise.
3595 (final): Likewise. Do not reject new insns if their addresses
3596 have been added to INSN_ADDRESSES.
3597 * config/arm/arm.c, config/avr/avr.c: Use new macros.
3598 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
3599 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
3600 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
3601 * config/sh/sh.c: Likewise.
3602 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
3604 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
3606 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
3608 * gcc.c (struct prefix_list): Add member priority.
3609 (enum path_prefix_priority): Declare.
3610 (add_prefix): Replace ``first'' with ``priority''. Append new
3611 entry but keep list in priority order.
3612 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
3613 PREFIX_PRIORITY_LAST to add_prefix.
3614 (process_command): Move include kludge - foo/stageN - to before
3617 2000-07-27 Jason Merrill <jason@redhat.com>
3619 * dwarf2out.c (gen_typedef_die): Abort if we get identical
3620 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
3622 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
3624 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
3625 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
3627 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
3629 * c-decl.c (finish_function): Don't treat 'main' specially unless
3630 flag_hosted. In C99 mode, return 0 from 'main' unless
3631 DEFAULT_MAIN_RETURN is otherwise defined.
3633 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
3634 parameters defaulting to int in an old-style function definition.
3636 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3638 * c-parse.in (string): For -Wtraditional, warn about string
3639 concatenation only once per line.
3641 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
3643 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
3644 for HI-UX/WE2 systems.
3646 2000-07-24 Bruce Korb <bkorb@gnu.org>
3648 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
3649 defining the __xxx_TYPE__ macros.
3650 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
3651 * fixincl/fixlib.h: don't need to include "tm.h" anymore
3652 * fixincl/inclhack.def(type_map): now obsolete
3654 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
3656 * cpp.texi: Append a trailing full-stop to xrefs where needed.
3658 2000-07-26 Dave Pitts <dpitts@cozx.com>
3660 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
3662 (mvs_hash_alias): New function.
3663 (mvs_add_alias): Change argument spacing.
3664 (mvs_need_alias): Change aliasing criteria. Added documentation.
3665 (mvs_get_alias): Change to use hashed name. The hashed name prevents
3666 CSECT name collisions.
3667 (mvs_check_alias): Likewise.
3668 (handle_pragma): Change documentation.
3669 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
3670 mode from SImode to DImode.
3671 (iorhi3): Changed LTORG size for insn.
3673 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3675 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3676 mem if the address is a mode_dependent_address_p.
3678 2000-07-26 Kazu Hirata <kazu@hxi.com>
3680 * h8300.c (print_operand): Print ":8" when the 'R' operand is
3681 suitable for 8-bit absolute.
3682 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
3683 (OK_FOR_U): Add a case for the 8-bit constant address on the
3686 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
3688 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
3689 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
3690 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
3691 lack of implemented alignment.
3693 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
3695 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
3696 cross-compiling between 64-bit and 32-bit machines.
3698 2000-07-27 Richard Henderson <rth@cygnus.com>
3700 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
3701 (movhicc_astep, movhi_internal_astep): New.
3702 (movsicc_astep, movsi_internal_astep): New.
3703 (movdicc_astep, movdi_internal_astep): New.
3704 (movsfcc_astep, movsf_internal_astep): New.
3705 (movdfcc_astep, movdf_internal_astep): New.
3706 (movxfcc_astep, movxf_internal_astep): New.
3707 (cmovdi_internal_astep, cmovsi_internal_astep): New.
3708 Unify the cmov[ds]i splitters.
3710 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
3712 * real.c (asctoeg): Rename `error' label to unexpected_char_error
3714 2000-07-26 Nick Clifton <nickc@cygnus.com>
3716 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
3717 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
3719 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
3720 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
3722 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
3724 * c-decl.c (finish_enum): Convert enumerations that fit in an
3726 (build_enumerator): In pedantic mode, cast to `int' those that
3729 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
3731 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
3733 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3735 * sh.md (cmpgtdi_t): Must be split.
3736 (cmpgtdi_t+1): New splitter.
3738 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
3740 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
3741 warnings for indented directives even if we are skipping.
3743 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
3745 * invoke.texi (strict-prototypes): Remove.
3746 * extend.texi (Deprecated Features): Add strict-prototypes.
3747 (Backwards Compatibility): New node.
3749 2000-07-25 Jakub Jelinek <jakub@redhat.com>
3751 * config/i386/i386.md (andsi_1+1): Allow HImode.
3752 (andsi_1+2): Require q_regs_operand.
3754 2000-07-25 Jakub Jelinek <jakub@redhat.com>
3756 * config/i386/i386.md (call_pop): Check operands[0],
3757 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
3759 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
3760 (call_value): Likewise.
3762 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
3764 * toplev.c (pipe_closed): Delete.
3765 (crash_signal): New. Generate ICE for a fatal signal.
3766 (float_signal): Call crash_signal outside a float-handler
3768 (main): Install crash_signal as handler for core-dumping signals.
3770 2000-07-25 David Edelsohn <edelsohn@gnu.org>
3772 * rs6000.c (print_operand, case 'T'): New case.
3774 * rs6000.md (call_indirect_aix32): Convert to expander of
3775 scheduled instructions.
3776 (call_indirect_aix64): Likewise.
3777 (call_value_indirect_aix{32,64}): Likewise.
3778 (call, call_value): Invoke expanders for AIX. Fall through to
3780 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
3781 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
3782 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
3783 only "g" constraint.
3784 (call_nonlocal_aix64): Likewise.
3785 (call_value_nonlocal_aix{32,64}): Likewise.
3786 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
3788 (call_value_nonlocal_sysv): New pattern.
3789 (indirect_jump{si,di}): Use new 'T' modifier.
3790 (tablejump{si,di} matchers): Likewise.
3791 (return_internal_{si,di}): Likewise.
3792 (return_eh_{si,di}): Likewise.
3794 2000-07-24 Richard Henderson <rth@cygnus.com>
3796 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
3797 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
3798 * config/ia64/ia64.md (movdi_internal): Use it.
3800 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
3802 * cppexp.c: Warn about unary + if -Wtraditional.
3803 * cpplex.c (lex_line): Always set BOL on the first token of a line.
3805 2000-07-24 Michael Meissner <meissner@redhat.com>
3807 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
3810 2000-07-24 Nick Clifton <nickc@cygnus.com>
3812 * config/arm/arm.c (emit_multi_reg_push): Generate a
3813 REG_FRAME_RELEATED_NOTE that is compatable with the code in
3814 dwarf2out_debug_frame_expr.
3816 2000-07-24 Jason Merrill <jason@redhat.com>
3818 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
3819 UNALIGNED_INT_ASM_OP.
3820 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
3821 a location expression.
3822 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
3823 assume indirect access if we're saving the CFA address exactly.
3825 * Makefile.in (bootstrap): Move -BstageN/ to the end.
3827 2000-07-24 Jakub Jelinek <jakub@redhat.com>
3829 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
3832 2000-07-24 Michael Meissner <meissner@redhat.com>
3834 * invoke.texi (D30V Options): Add d30v options.
3836 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
3838 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
3839 needed by our gcse pass anymore.
3840 (free_pre_mem): Corresponding changes.
3841 (compute_pre_data): Do not call compute_transpout anymore.
3843 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
3844 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
3847 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
3848 (compute_pre_data): Do it here instead.
3850 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
3852 (pre_delete): Corresponding changes.
3854 2000-07-23 Mark Mitchell <mark@codesourcery.com>
3856 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
3857 to figure out whether or not a variable has already been emitted.
3859 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
3861 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
3862 instead of gen_call.
3864 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
3866 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
3868 2000-07-23 Kazu Hirata <kazu@hxi.com>
3870 * h8300.c: Fix formatting.
3872 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
3874 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
3875 for `long' switch expression into a plain warning.
3877 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
3878 (yylex): Don't pedwarn for "inline" in C99 mode.
3880 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
3882 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
3883 ggc_alloc): Likewise.
3884 * bb-reorder.c (dump_scope_forest_1): Likewise.
3886 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
3888 * reload.c (find_reloads_toplev): Add new parameter
3890 (find_reloads): Add new parameter to find_reloads_toplev calls.
3892 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
3894 * collect2.c (main): Typo fixed.
3895 * diagnostic.c: Typo fixed.
3896 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
3897 * eh-common.h: Typo fixed.
3898 * emit-rtl.c (start_sequence): Typo fixed.
3899 * flow.c (find_label_refs): Typo fixed.
3900 (calculate_global_regs_live): Typo fixed.
3901 (mark_regno_cond_dead): Typo fixed.
3902 (create_edge_list): Typos fixed.
3903 (verify_edge_list): Typo fixed.
3904 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
3905 * loop.c (strength_reduce): Typo in function name fixed.
3906 * rtl.h: Added comments. Typo in function name fixed.
3907 * rtlanal.c: Typo in function name fixed.
3908 (insn_dependant_p): Rename to ...
3909 (insn_dependent_p): ... this.
3910 (computed_jumo_p): Typo fixed.
3912 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3914 * system.h (__FUNCTION__): Wrap definition in #ifndef.
3916 2000-07-21 David Edelsohn <edelsohn@gnu.org>
3918 * rs6000.h (SIZE_TYPE): Define.
3920 2000-07-21 Mark Mitchell <mark@codesourcery.com>
3922 * ssa.c (rename_insn_1): Don't rename registers that are
3925 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
3927 * diagnostic.c (trim_filename, fancy_abort): Moved here from
3929 (fatal_function, set_fatal_function): Removed.
3930 (fatal): Don't prepare for or call the fatal_function.
3931 (diagnostic_lock, error_recursion): New.
3932 (diagnostic_for_decl, report_diagnostic): Guard against
3933 re-entering the error reporting routines.
3934 (fancy_abort): Assume function is not NULL.
3936 * errors.c (fancy_abort): New. Assume function is not NULL.
3937 * tradcpp.c (fancy_abort): Assume function is not NULL.
3939 * system.h: Provide default definition of __FUNCTION__.
3940 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
3941 Always use __FUNCTION__ in definition of abort.
3943 * varray.h: Likewise.
3944 * toplev.h: Likewise. Don't prototype set_fatal_function.
3946 2000-07-20 Geoff Keating <geoffk@cygnus.com>
3948 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
3950 * glimits.h: Don't do #if defined for ARCH_PPC.
3952 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
3953 constants of size no larger than a pointer should go in the TOC.
3954 Add 'MODE' parameter.
3955 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
3956 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
3957 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
3958 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
3959 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
3960 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
3961 (rs6000_legitimize_address): Likewise.
3962 (rs6000_emit_move): Likewise.
3963 (rs6000_select_rtx_section): Likewise.
3964 (output_toc): Deal properly with outputting small constants like
3965 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
3966 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
3967 MODE parameter. Put small constants in the TOC.
3969 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
3971 (rs6000_emit_move): When reload calls us with an illegitimate
3972 address, exit early. Move the change_address calls to one place
3973 at the end of the routine. Merge the SImode and DImode expanders.
3974 When called by reload to put an integer into a FP register, force
3977 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
3979 (rs6000_hash_constant): Hash mode too.
3980 (toc_hash_function): Allow for key_mode.
3981 (toc_hash_eq): Structures are different if key_mode differs.
3982 (output_toc): Add 'mode' parameter. Save key_mode.
3983 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
3984 Pass 'mode' parameter.
3985 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
3987 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
3988 for vtable references.
3990 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
3991 choice, don't put integer values in FP regs.
3993 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
3995 * flow.c (verify_flow_info): Revamp code to verify that the
3996 head and end of each basic block are in the insn chain.
3998 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
4000 * gcse.c (record_one_set): Prepend instead of append onto
4001 reg_set_table, making it O(n) instead O(n^2).
4002 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
4003 Use a queue instead of a stack as worklist.
4005 2000-07-20 Kazu Hirata <kazu@hxi.com>
4007 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
4008 * h8300.h (OK_FOR_T): New.
4009 (EXTRA_CONSTRAINT): Support OK_FOR_T.
4010 * h8300.md: Use inc/dec.[wl] for increment/decrement
4011 by 1 and 2 in HI and SI modes.
4013 2000-07-20 Jim Wilson <wilson@cygnus.com>
4015 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
4016 larger than 14 bits.
4018 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
4020 * cppmacro.c (CAN_PASTE_AFTER): New macro.
4021 (count_params): Don't set GNU_REST_ARGS on anything.
4022 (save_expansion): Set PASTE_LEFT only on tokens for which
4023 CAN_PASTE_AFTER is true, or which are named operators.
4025 * cpplex.c (parse_args): Distinguish between a rest argument
4026 given one empty argument, and a rest argument given zero arguments.
4027 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
4028 deletion of previous token based on that.
4029 (get_raw_token): Flatten some control structure.
4031 * cpplib.h (CPP_LAST_EQ): Correct.
4032 (VOID_REST): New token flag.
4033 (GNU_REST_ARGS): Delete.
4035 * tradcpp.c (main): Don't munge -D options.
4036 (make_definition): Bring -D handling in line with cpplib.
4037 (do_define): Strip all leading whitespace from macro definitions.
4039 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
4041 * Makefile.in (tradcpp): Depend on intl.o and version.o.
4043 2000-07-20 Bruce Korb <bkorb@gnu.org>
4045 * fixincl/check.tpl: strip the platform specific types before testing
4046 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
4047 * fixincl/fixincl.tpl: use platform specific types
4048 * fixincl/fixlib.h: include the platform specific types
4049 * fixincl/inclhack.def(gnu_types): don't supply the types
4050 * fixincl/fixincl.x: regen
4052 2000-07-19 Jim Wilson <wilson@cygnus.com>
4054 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
4057 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
4059 * tradcpp.c (rescan): Do not recognize directives when the #
4062 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
4064 Implement C++ named operators.
4066 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
4067 of operators allowed in #if and having an _EQ variant. Add
4068 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
4069 (cpp_token flags): Add NAMED_OP.
4070 (enum node_type): Add T_OPERATOR.
4071 (struct cpp_hashnode): Add code slot to value union.
4072 * cpphash.h (spec_nodes): Remove n_defined.
4074 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
4075 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
4076 (is_macro_disabled): Tweak error messages.
4078 * cpplib.c (get_define_node): Disallow all named operators as
4079 macro names. Tweak error messages.
4080 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
4082 * cppinit.c (builtin_array): Add entries for the named operators.
4083 * cppexp.c (lex): Check for CPP_DEFINED token.
4084 (priority table): Add entries for CPP_MIN and CPP_MAX.
4085 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
4087 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
4089 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
4090 larger than the array of cuids.
4091 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
4094 2000-07-19 Bruce Korb <bkorb@gnu.org>
4096 * fixinc/fixincl.c: Convert to using a table of environment variables
4097 and activate the auto-edit marker on the fixed output files.
4098 * fixinc/fixlib.h: Define the environment table
4099 * fixinc/fixincl.sh: export the ${INPUT} dir
4100 * fixinc/check.tpl: likewise
4102 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
4104 * gcc.c (.h spec): Fix typo.
4106 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
4108 * Makefile.in: Fix tradcif.c path.
4110 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
4112 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
4115 * cpphash.h (TOKEN_NAME): New macro.
4116 (_cpp_spell_operator): Deleted.
4117 (token_spellings): Now _cpp_token_spellings.
4119 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
4120 * cpplex.c: Use OP and TK macros when expanding the
4121 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
4122 store the stringification of the enumeration name (CPP_CHAR,
4123 etc.) in the name slot of token_spellings.
4124 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
4125 token_spellings directly.
4126 * cpplib.c: Use TOKEN_SPELL.
4128 * cpplex.c (_cpp_push_token): If the token being pushed back
4129 is the previous token in this context, just subtract one from
4131 * cppmacro.c (save_expansion): Clear aux field when storing a
4134 2000-07-18 Jakub Jelinek <jakub@redhat.com>
4136 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
4137 buffer, provided it is not NULL.
4139 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
4141 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
4142 case of invalid volatile re-declaration.
4144 2000-07-18 Jakub Jelinek <jakub@redhat.com>
4146 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
4147 (expand_call): Adjust caller.
4149 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
4151 * diagnostic.h (report_diagnostic): Change prototype.
4153 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
4154 diagnostic_for_decl): Change prototype.
4155 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
4156 error, warning, error_with_file_and_line,
4157 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
4158 Adjust call to report_diagnostic, diagnostic_for_decl.
4159 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
4160 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
4162 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
4163 varaible argument list.
4165 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
4167 * cpphash.c: Don't include hashtab.h. Most macro-handling code
4168 moved to cppmacro.c.
4169 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
4170 dump_hash_helper): Delete.
4171 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
4172 cpp_forall_identifiers): New. Implement specialized version of
4173 Vlad's expandable hash table.
4174 (cpp_lookup): Use new functions.
4175 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
4177 * cppmacro.c: New file.
4178 * cppinit.c (dump_macros_helper): New.
4179 (cpp_finish): Iterate over the identifier table directly.
4180 * cpplex.c (parse_name): Calculate the hash of the identifier
4181 while we scan it. Use _cpp_lookup_with_hash when we can.
4183 * cpphash.h: Update prototypes.
4184 (xcnewvec, HASHSTEP): New helper macros.
4185 * cpplib.h: Update prototypes.
4186 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
4187 (cppmacro.o): New rule.
4188 (cpphash.o): Update deps.
4190 * cppmain.c: Do not set pfile->printer if no_output is on.
4192 2000-07-15 Neil Booth <neilb@earthling.net>
4194 * cpplib.c: Change all directive-handler functions to return
4196 * cpphash.h: Update typedefs.
4198 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
4200 * configure: Regenerate.
4202 * extend.texi (Extended Asm): Mention that a memory clobber
4203 does not count as a side-effect.
4205 * unroll.c (copy_loop_body): Fix one instance of using host
4206 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
4209 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
4211 2000-07-17 Richard Henderson <rth@cygnus.com>
4213 * config/ia64/ia64.md (movdi): Split out load address code.
4214 New post-reload splitter for symbolic operands.
4215 (movdi_internal): Abort if we didn't split symbolic operands
4216 when we should have.
4217 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
4218 (ia64_reorg): Split insns when not optimizing.
4219 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
4221 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
4223 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
4224 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
4226 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
4228 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
4230 2000-07-17 Jason Merrill <jason@redhat.com>
4232 * Makefile.in (clean): Remove libgcc directory.
4234 * configure.in (-Wno-long-long check): Use higher-level macros.
4236 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
4238 * simplify-rtx.c (simplify_binary_operation): Recognize
4239 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
4240 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
4241 a CONST_INT, it will always be zero.
4243 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
4245 * loop.c (check_dbra_loop) : Return if more than one condition is
4246 present to control the loop.
4248 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
4250 * mips.c (mips_expand_prologue): Don't calculate the last argument
4251 register unless we need it. When we are calculating this, make
4252 sure FUNCTION_ARG is giving us a REG.
4254 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4256 * flow.c (libcall_dead_p): Use single_set to verify the insn
4257 has only one set and get for analysis.
4258 (propagate_one_insn): Don't pass the PATTERN of the insn.
4260 2000-07-17 Mark Klein <mklein@dis.com>
4262 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
4264 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4266 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
4267 * configure.in (TARGET_GETGROUPS_T): Evaluate.
4268 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
4269 of second argument of getgroups.
4270 * configure, config.in: Rebuilt.
4272 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
4274 * simplify-rtx.c (simplify_relational_operation): Two signed
4275 values with equal high words are less/greater than each other if
4276 their low words are less/greater when considered as unsigned.
4278 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
4280 * configure.in (vax-*-openbsd): Change to new style configuration,
4281 add collect2/float_format information.
4282 * configure: Rebuilt.
4283 * config/vax/openbsd1.h: New.
4284 * config/vax/openbsd.h: New.
4285 * config/vax/t-openbsd: New.
4287 2000-07-17 Chip Salzenberg <chip@valinux.com>
4289 * c-common.c (shorten_compare): Quiet warnings about unsigned
4290 comparisons with zero when they occur in a system header.
4292 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
4294 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
4295 update to describe current practice.
4297 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
4299 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
4300 references to C9X. Change references to -fstd and -flang-isoc9x
4303 * c-common.c (scan_char_table): Allow "z" length modifiers on
4305 (check_format_info): Use TYPE_DOMAIN on the type matched against
4306 for "z" formats, to retrieve the language size_t rather than the
4309 * c-common.c (check_format_info): Do not make a pedantic objection
4310 to the 'L' length modifier if used with a floating point type
4313 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
4314 constants in C99 mode.
4316 2000-07-17 Kazu Hirata <kazu@hxi.com>
4318 * h8300.md: Fix the format of mac.
4319 (movsi_h8300hs): Output a tab after stmac instead of a space.
4321 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
4322 profitable adds/subs sequences.
4324 * fold-const.c: Fix comment typos.
4326 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
4328 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
4330 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4332 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
4334 2000-07-16 Neil Booth <NeilB@earthling.net>
4336 * cpplex.c: Update comments.
4337 * README.Portability: Small update.
4339 2000-07-16 Neil Booth <NeilB@earthling.net>
4341 * README.Portability: Small update.
4343 2000-07-15 Richard Henderson <rth@cygnus.com>
4345 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
4346 * config/ia64/ia64.c (ia64_move_ok): New function.
4347 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
4348 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
4350 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
4352 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
4353 immediately following a paste operator.
4354 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
4355 (cpp_reader_init): Call it, if HOST_EBCDIC.
4356 (cpp_handle_options): Do not sort option list here.
4357 (handle_option): Rename to cpp_handle_option and export.
4358 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
4359 _cpp_get_token directly.
4360 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
4361 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
4362 * cpplib.h: Prototype cpp_handle_option. Update prototype of
4365 2000-07-15 Richard Henderson <rth@cygnus.com>
4367 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
4368 cast around an expression. Tidy other unsigned tests.
4370 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
4372 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
4373 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
4374 (v_message_with_decl): Rename to ...
4375 (format_with_decl): ... this. Tweak
4376 (diagnostic_for_decl): New function.
4377 (fatal_io_error): Use verbatim in lieu of notice.
4378 (announce_function): Use verbatim.
4379 (default_print_error_function): Likewise.
4380 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
4383 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4385 * mips.c (function_arg_pass_by_reference): Don't do automatic
4386 aggregate initialization.
4387 (machine_dependent_reorg): Initialize variable `mode'.
4389 * mips.md (absdi2): Change variable `regno1' to unsigned int.
4390 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
4391 conflicts with sys/param.h macro of the same name.
4392 (reload_outdi): Likewise.
4394 2000-07-15 Michael Meissner <meissner@redhat.com>
4396 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
4397 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
4398 create a new node instead.
4400 2000-07-15 Neil Booth <NeilB@earthling.net>
4402 * README.Portability: Correct example about calling a function
4403 through a pointer to function. Format wide paragraphs.
4405 2000-07-15 Michael Meissner <meissner@redhat.com>
4407 * README.Portability: Update integer suffixes and function
4410 2000-07-15 Neil Booth <NeilB@earthling.net>
4412 * README.Portability: Small update.
4414 2000-07-15 Neil Booth <NeilB@earthling.net>
4416 * README.Portability: New file.
4418 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
4420 * INSTALL: Give special instructions for building GCC on Irix 6.
4421 * config/mips/x-iris6 (CC): Don't set it.
4424 2000-07-14 Jason Merrill <jason@redhat.com>
4426 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
4427 register in the stack and later in another register, use the new
4430 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
4432 * config/mips/mips.md: (absdi2): Handle sign_extend for
4435 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
4437 * cpplib.c (do_pragma_dependency): Tidy warning messages.
4439 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
4441 * .cvsignore: Correct typo.
4443 2000-07-13 Mark Mitchell <mark@codesourcery.com>
4445 * .cvsignore: Add generated YACC files.
4446 * objc/.cvsignore: New file.
4448 2000-07-14 Neil Booth <NeilB@earthling.net>
4450 * cpplex.c (adjust_column): New funcion.
4451 (skip_whitespace): Use it.
4452 (skip_block_comment): Use it, and warn about /*/* with
4455 2000-07-14 Neil Booth <NeilB@earthling.net>
4457 * cpphash.c (struct macro_info): Add new members.
4458 (_cpp_free_definition): Delete the macro directly.
4459 (count_params): Return void, with first token of
4460 expansion in struct macro_info on success.
4461 (parse_define): Return int. Hoist syntax checking from
4462 save_macro_expansion. Leave call to save_expansion to
4463 _cpp_create_definition.
4464 (alloc_macro): Needs just 2 arguments.
4465 (free_macro): Delete.
4466 (save_expansion): Don't perform syntax check.
4467 (_cpp_create_definition): Call save_expansion.
4469 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4471 * genrecog.c (write_header): Split long string.
4473 * cpphash.c (macro_info): Don't use the `signed' keyword.
4475 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
4477 2000-07-13 Jakub Jelinek <jakub@redhat.com>
4479 * calls.c (stored_args_map): New variable.
4480 (check_sibcall_argument_overlap_1): New.
4481 (check_sibcall_argument_overlap): New.
4482 (expand_call): Initialize stored_args_map.
4483 Call check_sibcall_argument_overlap.
4485 2000-07-13 Bruce Korb <bkorb@gnu.org>
4487 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
4488 (emit_gnu_type): utility procedure for gnu_type_fix
4489 (gnu_type_fix): implement various pre-processor guards around
4490 standard types so these types can be defined over and over
4491 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
4492 types alluded to above will have GNU-compliant base types
4493 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
4494 * fixinc/inclhack.def: add test_text entries and utilize the new
4495 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
4496 * fixinc/fixincl.x: regenerate
4498 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4500 * diagnostic.c (vline_wrapper_message_with_location,
4501 v_message_with_file_and_line, v_error_with_file_and_file,
4502 v_error_for_asm, v_warning_for_asm, vfatal,
4503 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
4504 vsorry, verror, vwarning, vpedwarn): Remove.
4505 (diagnostic_for_asm): New function.
4506 (pedwarn, error, warning, pedwarn_with_file_and_line,
4507 error_with_file_and_line, warning_with_file_and_line, sorry,
4508 error_for_asm, warning_for_asm, fatal): Reimplement.
4509 (finish_diagnostic): Clear diagnostic info as well.
4511 2000-07-13 Neil Booth <NeilB@earthling.net>
4513 * c-common.h (flag_digraphs): New.
4514 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
4515 * c-lex.c (yylex): Use flag_digraphs to decide whether to
4518 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
4520 * gcc.c (do_spec_1): Add new %B operator.
4521 (set_input): Prepare for %B.
4523 (link_command_spec): Move up with the other tm.h-
4524 overrideable specs. Factor out the portion conditional on
4525 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
4526 (struct compiler): Just have a single spec string. All users
4528 (default_compilers): Remove unnecessary braces.
4529 (static_specs): Update.
4531 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
4533 (C and assembly specs): Use the new named specs, as appropriate.
4535 * objc/lang-specs.h: Use the new named specs.
4536 Remove unnecessary braces.
4538 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4540 * gcc.c (execute): If a subprocess gets a fatal signal, report
4541 strsignal() of the signal number, and ask for a bug report.
4542 Do not do this for SIGPIPE if there's already been an error.
4544 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
4547 * tradcif.c: Remove.
4549 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4551 * final.c (profile_function): Do not emit profile counters in
4552 the data section, if NO_PROFILE_COUNTERS is defined.
4553 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
4556 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
4557 (FUNCTION_PROFILER): Just emit a call to mcount.
4559 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4561 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
4563 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
4564 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
4565 traditional, lang_chill, or lang_fortran.
4567 * cppfiles.c: #undef strcmp to suppress warning about macros
4568 used without arguments.
4569 (_cpp_execute_include): Use f, not fname, in "No include path"
4571 (_cpp_pop_file_buffer): New function.
4572 * cpplib.c: Don't include <sys/mman.h>.
4573 (cpp_push_buffer): Set line_base and lineno in new buffer.
4574 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
4576 * cpplex.c: Move all prototypes and structure declarations to the
4577 top of the file. Properly parenthesise some macro arguments.
4578 (cpp_scan_line): New function.
4579 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
4580 don't need to walk up the stack counting.
4582 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4584 * c-common.c (combine_strings): Emit a pedantic warning when a
4585 string length is greater than the minimum ANSI C is required
4588 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
4590 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
4591 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
4593 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4595 * c-decl.c (define_label): Warn about identifier conflicts with
4596 labels in traditional C.
4598 * c-parse.in (unop +): Warn about the unary plus operator for
4601 * c-typeck.c (store_init_value): Warn about automatic aggregate
4602 initialization for traditional C.
4604 * invoke.texi (-Wtraditional): Document new warnings.
4606 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4608 * Makefile.in (c-errors.o): Fix thinko in dependency.
4610 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4612 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
4613 -traditional, -ftraditional, or -traditional-cpp was given.
4614 Do not pass -traditional to the preprocessor.
4615 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
4616 preprocessor does it automatically.
4617 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
4619 * ch/lang-specs.h: Always use tradcpp. Do not pass
4620 -traditional, -trigraphs, or -pedantic to the preprocessor.
4621 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
4624 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4626 * cppexp.c (LOGICAL): Delete macro.
4627 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
4630 * cpphash.c (HASHSIZE): Increase to 4096.
4631 (struct hashdummy): Add hash field.
4632 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
4633 the string values using memcmp.
4634 (cpp_lookup): Set dummy.hash.
4636 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
4638 * configure.in (m88k-openbsd): Express configuration using new fragment
4640 * configure: Rebuilt.
4641 * m88k/aout-dbx.h: New.
4642 * m88k/openbsd.h: New.
4643 * m88k/xm-openbsd.h: New.
4645 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4647 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
4649 2000-07-12 Richard Henderson <rth@cygnus.com>
4651 * reload.c (push_secondary_reload): Make sure to add the new
4652 reload at the end, after acquiring secondary memory.
4654 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4656 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
4658 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
4659 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
4661 * c-parse.in (stmt): Delete unused variables.
4663 * convert.c (convert_to_vector): Likewise.
4665 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
4667 * tree.c (finish_vector_type): Prototype.
4669 2000-07-12 Bruce Korb <bkorb@gnu.org>
4671 * fixinc/fixfixes.c: use xmalloc
4672 * fixinc/fixincl.c(initialize): set program name for xmalloc
4673 * fixinc/fixlib.c(must_malloc): obsolete
4674 (is_cxx_header): no longer used - disabled
4675 (skip_quote): inserted and disabled for future use
4676 * fixinc/fixlib.h: reflects above
4677 * fixinc/fixtests.c: removed dinkleberries
4679 2000-07-12 Neil Booth <NeilB@earthling.net>
4681 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
4682 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
4684 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
4685 struct toklist_dummy): New.
4686 (cpp_free_definition): Free macros with free_macro.
4687 (count_params): Don't save paramter spellings. Save macro
4688 information in a struct macro_info.
4689 (parse_define): Don't allocate a token list.
4690 (save_expansion): Allocate the macro's token list, and
4691 save parameter spellings if necessary. Use TOKEN_SPELL.
4692 (cpp_create_definition): Make list const.
4694 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4696 * c-typeck.c (pedwarn_c99): Move to
4697 * c-errors.c: ... Here.
4698 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
4699 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
4700 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
4701 (c-errors.o): List dependency.
4703 2000-07-12 Mark Mitchell <mark@codesourcery.com>
4705 * c-parse.c: Remove.
4706 * c-parse.h: Likewise.
4707 * c-parse.y: Likewise.
4708 * objc/objc-parse.c: Likewise.
4709 * objc/objc-pasre.y: Likewise.
4711 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
4713 * gcc.texi: Fix minor typos
4714 * extend.texi: Fix minor typos
4716 2000-07-11 Marc Espie <espie@openbsd.org>
4718 * collect2.c (main): Recognize .lo as object files.
4720 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4722 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
4725 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
4726 with MAP_ANONYMOUS and MAP_ANON.
4727 * configure, config.in: Rebuilt.
4729 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4731 * diagnostic.c (save_output_state): Remove.
4732 (restore_output_state): Likewise.
4733 (clear_text_info): New function.
4734 (clear_diagnostic_info): Likewise.
4735 (output_text_length, is_starting_newline, output_prefix,
4736 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
4737 prefixing_policy, output_buffer_ptr_to_format_args): New macros
4738 (set_real_maximum_length, output_set_maximum_length,
4739 output_set_prefix, output_get_prefix, output_set_maximum_length,
4740 output_destroy_prefix, init_output_buffer,
4741 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
4742 output_add_newline, output_add_character, output_add_space,
4743 output_append_r, output_append, wrap_text, output_format,
4744 output_do_printf, output_printf, output_do_verbatim,
4745 output_verbatim, verbatim): Use them.
4746 (output_clear): Split into cleat_text_info and
4747 clear_diagnostic_info.
4748 (struct output_state): Move to...
4750 * diagnostic.h: ...Here
4751 (struct output_buffer): Adjust.
4753 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
4755 * cpplex.c (parse_name): No longer inline (premature optimization).
4756 (do_pop_context): Fold into pop_context.
4757 (pop_context): Returns int.
4758 (lex_next): Hoist test for end of directive into pop_context.
4759 (push_macro_context): Returns int; takes just reader and token.
4760 Hoist test for excessive nesting to caller.
4761 (push_arg_context): Returns void; takes just reader and token.
4762 Do not call stringify_arg or get_raw_token.
4763 (get_raw_token): Convert tail recursion through push_arg_context
4764 to a loop at this level. Call stringify_arg here if appropriate.
4765 (maybe_paste_with_next): Convert tail recursion to a while loop.
4766 Hoist test of paste_level to caller.
4768 (stringify_arg): Push arg context at beginning.
4769 (cpp_get_token): Split out core into _cpp_get_token. Call
4770 process_directive here. Throw away CPP_PLACEMARKER tokens.
4771 (_cpp_get_token): Convert tail recursion through
4772 push_macro_context to a loop at this level.
4773 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
4774 _cpp_get_raw_token): Use _cpp_get_token.
4775 (_cpp_skip_rest_of_line): Drop the context stack directly; do
4776 not call pop_context.
4777 (_cpp_run_directive): Call lex_next directly.
4779 * cpphash.h: Prototype _cpp_get_token.
4780 * cppexp.c (lex): Use it.
4781 * cpphash.c (parse_define): Use it.
4782 * cpplib.c (get_define_node, do_undef, parse_include,
4783 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
4784 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
4785 parse_ifdef, validate_else): Use it.
4786 (cpp_push_buffer): Tweak error message; abort if anyone tries
4787 to push a buffer while macro expansions are stacked.
4789 2000-07-11 Donn Terry <donnte@microsoft.com>
4791 * cpplex.c (free_macro_args, save_token): Cast arg of free
4792 and/or xrealloc to PTR.
4793 (_cpp_init_input_buffer): Clear all fields of the base context.
4795 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
4797 * gensupport.c (process_rtx): Make rtl checking stop
4798 complaining about the define_insn while it is being
4799 converted from a define_insn_and_split.
4801 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
4803 * config/mips/mips.c (simple_memory_operand): Access the
4804 INTVAL of the address, not it's containing MEM.
4806 2000-07-11 Bruce Korb <bkorb@gnu.org>
4808 * fixinc/fixtests.c(double_slash): obsolete
4809 (else_endif_label): likewise
4810 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
4811 (libc1_ifdefd_memx): correct initial comment
4812 and omit the #if/#endif pair from the memxxx declarations
4813 * fixinc/fixincl.x: regen
4815 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4817 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
4819 2000-07-11 Neil Booth <NeilB@earthling.net>
4823 2000-07-11 Neil Booth <NeilB@earthling.net>
4825 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
4826 (handle_option): Set digraphs according to standard.
4827 Merge OPT_lang_c89 handler with OPT_std_c89.
4829 * cpplex.c: (lex_line, can_paste): Honour digraphs in
4830 accordance with the digraphs flag.
4832 * cpplib.h: (struct cpp_options): New option digraphs.
4834 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
4835 Bruce Korb <bkorb@gnu.org>
4837 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
4838 * fixinc/fixincl.x: Regenerate.
4839 * fixinc/tests/base/testing.h: Add testcase.
4841 2000-07-10 Richard Henderson <rth@cygnus.com>
4843 * config/ia64/ia64.c (got_symbolic_operand): New.
4844 (symbolic_operand, move_operand): Revert 0701 change.
4845 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4846 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
4847 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
4848 split the offset into a 14-bit low part instead of a 13-bit low part.
4849 (load_fptr): Mark the mem as unchanging.
4850 (load_symptr): Use got_symbolic_operand.
4852 2000-07-10 Nick Clifton <nickc@cygnus.com>
4854 * libgcc2.c (next_stack_level): Cast result of computation to
4855 (void **) so that the assignment does not generate a warning.
4857 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
4859 * flags.h : Add new variable flag_single_precision_constant.
4860 * toplev.c (display_help) : Add -fsingle-precision-constant option.
4861 (flag_single_precision_constant): New.
4862 * c-lex.c (yylex): Convert floating point constant to single
4864 * invoke.texi : Add documentation for this new option.
4866 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
4868 * diagnostic.c (output_octal): Second parameter is unsigned.
4869 (output_long_octal): Likewise.
4870 (output_hexadecimal): Likewise.
4871 (output_long_hexadecimal): Likewise.
4872 (output_format): Adjust arguments extraction. Tweak.
4873 (output_verbatim, verbatim): End variable argument list.
4874 (report_diagnostic): Improve documentation.
4876 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
4878 * c-common.h (build_stmt): Declare.
4879 (build_continue_stmt): Likewise.
4880 (build_break_stmt): Likewise.
4881 (build_return_stmt): Likewise.
4883 * c-decl.c (do_case): Rewrite to do what previously done in
4886 * c-semantics.c (build_stmt): Define.
4887 (build_return_stmt): Likewise.
4888 (build_break_stmt): Likewise.
4889 (build_continue_stmt): Likewise.
4890 (build_case_label): Likewise.
4892 * c-parse.in (BREAK): Change to build tree, then generate RTL.
4893 (CONTINUE): Likewise.
4896 (DEFAULT): Likewise.
4898 * c-parse.y: Regenerate.
4899 * c-pasre.c: Likewise.
4901 2000-07-09 Jason Merrill <jason@redhat.com>
4903 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
4905 * tree.h (STRIP_NOPS): Check for error_mark_node.
4906 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
4907 (dwarf2out_*): Remove duplicate declarations.
4909 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
4910 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
4912 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
4914 * diagnostic.c (wrap_text): New function.
4915 (maybe_wrap_text): Likewise.
4916 (output_add_string): Use it.
4917 (output_format): Likewise.
4918 (count_error): Use verbatim instead of notice.
4919 (report_error_function): Likewise. Don't use plain fprintf.
4920 (finish_diagnostic): New function.
4921 (output_do_verbatim): Tweak. Commonalize functionalities in
4922 output_verbatim and verbatim.
4923 (output_verbatim): Adjust.
4924 (verbatim): Likewise.
4925 (report_diagnostic): Define.
4927 * diagnostic.h (report_diagnostic): Prototype.
4929 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
4931 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
4933 2000-07-09 Neil Booth <NeilB@earthling.net>
4935 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
4936 IShspace, ISspace: Update.
4938 * cppinit.c: ISTABLE: Update.
4941 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
4942 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
4943 (skip_block_comment, skip_line_comment, parse_string,
4944 lex_line): Use is_vspace rather than IS_NEWLINE.
4945 (skip_whitespace, lex_line): Clean up to use is_nvspace.
4946 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
4948 (lex_next): Unconditionally stop if within a directive.
4949 Treat directives within macro invocations as directives
4950 (after parse_args emits error), not as the argument.
4952 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
4954 * diagnostic.c (diagnostic_args): New macro.
4955 (diagnostic_msg): Likewise.
4956 (output_formatted_integer): Likewise.
4957 (output_state): New data type.
4958 (digit_buffer): Make global.
4959 (output_add_integer): Rename to output_decimal. Squeeze
4961 (output_long_decimal, output_unsigned_decimal,
4962 output_long_unsigned_decimal, output_octal, output_long_octal,
4963 output_hexadecimal, output_long_hexadecimal): New functions.
4964 (output_append_r): New function.
4965 (output_append): Tweak.
4966 (output_flush_on): Rename to output_to_stream.
4967 (output_format): Change prototype. Improve documentation. Handle
4968 more format specifiers.
4969 (build_location_prefix): Rename to context_as_prefix.
4970 (output_notice): Rename to output_do_printf.
4971 (output_printf): Tweak.
4972 (line_wrapper_printf): Likewise.
4973 (vline_wrapper_message_with_location): Adjust call to renamed
4975 (v_message_with_decl): Likewise.
4976 (default_print_error_function): Likewise.
4977 (save_output_state): New function.
4978 (restore_output_state): Likewise.
4979 (output_do_verbatim): Likewise.
4980 (output_verbatim): Define.
4981 (verbatim): Likewise.
4983 * diagnostic.h (printer_fn): Change return type from void to int.
4984 Improve documentation.
4985 (output_add_integer): Rename to output_decimal.
4986 (output_flush_on, output_format): Don't export.
4987 (output_verbatim, verbatim): Declare.
4989 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
4991 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
4992 Check whether c divides op1 exactly if operation is not
4995 2000-07-08 Richard Henderson <rth@cygnus.com>
4997 * final.c (final): Do not abort when reg-stack introduces
5000 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
5002 * cpplib.h (struct cpp_name): Now struct cpp_string.
5003 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
5004 CPP_HEADER_NAME): Change to type S.
5005 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
5006 field, a cpp_hashnode *. All references to val.name updated
5007 to use val.str or val.node as appropriate.
5008 (struct cpp_reader): Add spec_nodes field.
5009 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
5011 * cpphash.h (struct spec_nodes): New.
5012 (enum spell_type): Reorder. Only SPELL_STRING tokens use
5013 val.str. All references to 'spelling > SPELL_NONE' updated to
5016 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
5017 pfile->buffer->inc are not NULL before dereferencing them.
5019 * cpplex.c (parse_name): Take a pointer to the current token,
5020 plus current position and limit as args; return the new
5021 position; don't copy the text of a name into the string
5022 buffer, instead call cpp_lookup and store the node pointer.
5023 If extending a token, copy out the text of the old into a
5024 scratch buffer, append the new, look that up and store the new
5025 node pointer. Inline.
5026 (maybe_paste_with_next): If the result of paste is a NAME,
5027 then look up the pasted text and store its node pointer.
5028 (lex_line): Adjust for new parse_name interface.
5029 Check for L"str", L'str' using spec_nodes->n_L.
5030 (spell_token): SPELL_IDENT tokens have their spelling in
5031 val.node->name. Handle SPELL_STRING tokens that don't have
5033 (_cpp_expand_name_space,
5034 (can_paste): Check for L ## "str" using spec_nodes->n_L.
5035 (cpp_get_token, special_symbol): No need to call cpp_lookup.
5036 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
5037 return 1=equal 0=not, not a tristate.
5039 * cpphash.c (var_args_str): Delete.
5040 (find_param): Compare node fields directly.
5041 (is__va_args__): Use CPP_PEDANTIC. Just compare
5042 token->val.node with spec_nodes->n__VA_ARGS__.
5043 (dump_funlike_macro): Don't use var_args_str.
5045 * cpplib.c (_cpp_check_directive): Just walk through
5046 spec_nodes->dirs comparing pointers.
5047 (get_define_node, do_pragma_poison, detect_if_not_defined,
5048 parse_ifdef): The identifier has already been looked up.
5049 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
5051 (do_if): Only call detect_if_not_defined at beginning of file.
5052 (_cpp_parse_assertion): Only copy string pointers for
5053 SPELL_STRING tokens.
5054 (pragma_dispatch): Take a node pointer and examine its name
5056 (_cpp_init_stacks): Also initialize the spec_nodes structure.
5058 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
5060 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
5061 reverse order from the corresponding _cpp_init_* routines.
5063 * cppexp.c (parse_number, parse_charconst, parse_defined,
5064 lex): Check val.node->type instead of calling cpp_defined.
5065 Use spec_nodes entries where appropriate.
5067 * fix-header.c, scan-decls.c: Update for interface changes.
5069 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
5071 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
5072 emitting aux_truncdfsf2.
5074 2000-07-03 Donn Terry (donnte@microsoft.com)
5076 * cppinit.c (print_help): split overlong line into ISO C89
5079 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
5081 * cppexp.c: Update all code for new lexer interface.
5082 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
5083 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
5084 * cpplex.c (token_names): Trim leading CPP_ from names; make
5085 the strings unsigned.
5086 (_cpp_spell_operator): New.
5087 (is_macro_disabled): Disable all macros if rescanning
5089 (_cpp_get_directive_token): Remove.
5091 * cppinit.c: Don't set no_macro_expand.
5092 * cpplib.c (read_line_number, do_line): Check only for EOF,
5094 * cpphash.h: Update prototypes.
5095 * cpplib.h (CPP_VSPACE): Remove.
5096 (struct cpp_reader): Remove no_macro_expand.
5098 2000-07-08 Neil Booth <NeilB@earthling.net>
5100 * cpphash.c (is__va_args__): New function.
5101 (count_params): Fix line reported in error messages. Use
5102 is__va_args__. Don't return ')' on error. Flag GNU style
5103 rest args macro definitions.
5104 (parse_define): Check macro name is not __VA_ARGS__.
5105 (save_expansion): Check identifier in non-varargs-macro is
5106 not __VA_ARGS__. Don't flag GNU_VARARGS.
5107 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
5108 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
5109 than per-token GNU_VARARGS.
5110 * cpplib.h (GNU_VARARGS): Remove.
5111 (GNU_REST_ARGS): New.
5113 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5115 * i386.md (call_pop, call, call_value_pop): Do not set
5116 current_function_uses_pic_offset_table for calls to static
5117 functions or indirect calls.
5119 2000-07-07 Jim Wilson <wilson@cygnus.com>
5121 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
5122 is_predicate_reg, then take max write_count of register pair.
5124 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5126 * tradcpp.c (main): Rename label `include' to `add_include' to
5127 avoid conflicts with variable `include' in traditional C.
5129 2000-07-07 Jakub Jelinek <jakub@redhat.com>
5131 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
5133 2000-07-07 Jakub Jelinek <jakub@redhat.com>
5135 * sibcall.c (uses_addressof): Add INMEM argument, check for
5136 current_function_internal_arg_pointer outside of MEM rtxs in addition
5138 (sequence_uses_addressof): Update caller.
5140 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
5142 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
5145 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5147 * system.h (UNION_INIT_ZERO): New macro for initializing union
5150 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
5152 2000-07-07 Neil Booth <NeilB@earthling.net>
5156 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
5158 * final.c (final): Detect out of bounds array access to
5159 the insn_lengths array.
5161 2000-07-07 Kazu Hirata <kazu@hxi.com>
5163 * fold-const.c (fold): Fix a comment typo.
5165 2000-07-07 Neil Booth <NeilB@earthling.net>
5167 * cpp.texi: Update to new lexer.
5169 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
5171 * tradcpp.c: New file.
5172 * tradcif.y: New file.
5173 * tradcif.c: New generated file.
5175 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
5176 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
5177 dependencies of C. Install tradcpp from install-common, in
5180 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
5182 * cppinit.c: Include cppdefault.h. Refer to
5183 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
5184 to GCC_INCLUDE_DIR and its length.
5185 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
5186 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
5187 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
5189 (include_defaults_array): Move to cppdefault.c.
5191 * cppdefault.h: New file.
5192 * cppdefault.c: New file.
5194 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
5195 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
5196 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
5199 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5201 * reload.c (push_reload): When seeing if can reuse a register,
5202 check extra registers against widest of INMODE and OUTMODE.
5204 2000-07-06 Neil Booth <NeilB@earthling.net>
5206 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
5207 based on full length of predicate.
5209 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
5211 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
5212 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
5214 2000-07-05 Kazu Hirata <kazu@hxi.com>
5216 * h8300-proto.h: Fix formatting.
5217 * h8300.c: Likewise.
5218 * h8300.h: Likewise.
5220 2000-07-05 Jim Wilson <wilson@cygnus.com>
5222 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
5225 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
5227 * invoke.texi: Fix minor typos
5228 * md.texi: Fix minor typos
5230 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
5232 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
5234 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
5236 * cpplex.c: Don't include sys/mman.h.
5237 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
5239 * cpplib.c: Include sys/mman.h and obstack.h.
5240 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
5242 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
5243 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
5244 bother freeing if stack entries (they will be freed with their buffer).
5245 (do_endif): Free if stack entries from the buffer obstack.
5246 (push_conditional): Allocate if stack entries from the buffer obstack.
5248 (find_answer): Rename to _cpp_find_answer.
5249 (do_assert, do_unassert): Update.
5251 * cpphash.h: Update prototypes.
5252 (xobnew): New convenience macro.
5253 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
5255 (struct cpp_hashnode): Remove disabled field.
5257 * cppinit.c: Don't include hashtab.h or splay-tree.h.
5258 (report_missing_guard): Moved to cppfiles.c.
5259 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
5261 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
5262 cpp_cleanup_includes. Don't destroy hashtab or
5263 all_include_files here.
5264 (cpp_finish): Use _cpp_report_missing_guards.
5266 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
5267 (_cpp_init_include_table): Rename _cpp_init_includes.
5268 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
5270 * cppexp.c (parse_assertion): Update for new name of
5273 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
5275 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
5277 * cpplib.c (do_ident): s/VSPACE/EOF/
5279 2000-07-05 Neil Booth <NeilB@earthling.net>
5281 * cpplex.c: Fix trigraph replacement within strings.
5283 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5285 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
5287 * xcoffout.c (assign_type_number): Constify.
5288 (xcoffout_source_file): Add static prototype. Don't needlessly
5289 cast away const-ness.
5291 2000-07-04 Jason Merrill <jason@redhat.com>
5293 * frame.h (frame_state): Move base_offset to end.
5295 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
5297 * calls.c (emit_library_call_value_1): Revert previous change.
5299 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
5301 * fix-header.c (struct partial_proto): Remove unnecessary fields.
5302 (recognized_extern, recognized_function, read_scan_file):
5303 Update for new scheme.
5304 (check_protection): It's still a multiple include guard even
5305 if it doesn't always trigger.
5306 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
5308 * scan.h: Declare struct cpp_token. Update prototypes.
5310 2000-07-03 Neil Booth <neilb@earthling.net>
5311 Zack Weinberg <zack@wolery.cumb.org>
5313 Complete overhaul of the lexer and macro expander.
5315 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
5316 arg, arglist, argdata, reflist, collect_objlike_expansion,
5317 collect_funlike_expansion, collect_params,
5318 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
5319 unsafe_chars, macarg, compare_defs, special_symbol,
5320 scan_arguments, stringify, funlike_macroexpand,
5321 _cpp_quote_string, monthnames): Delete.
5322 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
5323 _cpp_create_definition, _cpp_dump_definition,
5324 dump_hash_helper): Adjust.
5325 (find_param, count_params, parse_define, var_args_str,
5326 check_macro_redefinition, save_expansion): New.
5328 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
5329 parse_string, output_line_command, trigraph_replace,
5330 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
5331 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
5332 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
5333 _cpp_skip_rest_of_line): Modify.
5335 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
5336 find_position, null_warning, bump_column, expand_name_space,
5337 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
5338 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
5339 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
5340 _cpp_prescan): Delete.
5342 (dump_param_spelling, process_directive, lex_next,
5343 is_macro_disabled, stringify_arg, expand_context_stack,
5344 output_token, make_string_token, alloc_number_token,
5345 special_symbol, duplicate_token, maybe_paste_with_next,
5346 can_paste, prevent_macro_expansion, restore_macro_expansion,
5347 get_temp_token, release_temp_tokens, quote_string,
5348 token_names, token_spellings, _cpp_expand_name_space,
5349 _cpp_glue_header_name, _cpp_reserve_name_space,
5350 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
5351 placemarker_token, eof_token, cpp_context, macro_args,
5352 get_raw_token, parse_arg, parse_args, save_token,
5353 push_arg_context, push_macro_context, pop_context,
5354 do_pop_context, free_macro_args, _cpp_get_line,
5355 _cpp_run_directive): New.
5357 * cpplib.c (validate_else, parse_include, push_conditional,
5358 pass_thru_directive, read_line_number, parse_ifdef,
5359 detect_if_not_defined, _cpp_check_directive, do_define,
5360 do_undef, do_include, do_import, do_include_next, do_error,
5361 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
5362 top_pragmas, do_pragma_gcc, do_pragma_implementation,
5363 do_pragma_poison, do_pragma_system_header,
5364 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
5365 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
5366 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
5367 cpp_defined): Update for new scheme.
5368 (strtoul_for_line, get_define_node, dump_macro_name,
5369 _cpp_check_linemarker, _cpp_parse_assertion): New.
5370 (_cpp_handle_directive, do_pragma_default): Delete.
5372 * cpphash.h (struct predicate): Now struct answer.
5373 (enum spell_type, struct token_spelling, struct directive,
5374 directive_handler): New.
5375 Update prototypes. Remove unused macros.
5376 * cpplib.h: Update prototypes. Remove unused macros,
5377 structure definitions, and fields.
5379 * cpperror.c (print_containing_files, v_message): Adjust.
5380 * cppexp.c (parse_assertion, lex, parse_escape,
5381 _cpp_parse_expr): Adjust.
5382 * cppfiles.c (open_include_file, _cpp_execute_include,
5383 _cpp_compare_file_date, cpp_read_file, read_include_file):
5385 * cppinit.c (dump_special_to_buffer): Delete.
5386 (append_include_chain, merge_include_chains, cpp_reader_init,
5387 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
5388 cpp_finish, handle_option, print_help): Adjust.
5389 * cppmain.c (main): Adjust.
5391 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
5393 * cppspec.c (lang_specific_driver): Use double quotes in error
5396 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
5398 * calls.c (emit_library_call_value_1): Use valreg instead
5399 of hard_libcall_value.
5401 2000-07-03 Geoff Keating <geoffk@cygnus.com>
5403 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
5404 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
5405 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
5413 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
5414 mode instead of wider_mode is being used.
5416 2000-07-03 Jakub Jelinek <jakub@redhat.com>
5418 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
5419 of 'r'. Use q_regs_operand.
5420 (andsi_1+2): Use q_regs_operand.
5422 2000-07-03 Jakub Jelinek <jakub@redhat.com>
5424 * builtins.c (get_memory_rtx): Always put into alias set 0.
5426 2000-07-03 Nick Clifton <nickc@cygnus.com>
5428 * config/arm/arm.md: Fix post increment and pre increment
5429 peepholes so that they do not generate UNPREDICATBLE opcodes.
5430 (ie ones where the increment clobbers the source/destination).
5432 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
5434 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
5435 change too big for -mtiny-stack" a warning, if larger than 63.
5436 (out_set_stack_ptr): Change the logic so -mno-interrupts is
5437 always safe to use on possible future devices.
5438 (function_prologue): Write SPH before SPL, for consistency.
5439 If interrupt_func_p true, we know we have enabled interrupts.
5440 (avr_num_arg_regs): New function. Round up to even number of
5441 bytes if no -mpack-args or if calling a libgcc function.
5442 (function_arg, function_arg_advance): Use it.
5443 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
5444 Output "movw" if available.
5445 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
5446 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
5447 (asm_output_section_name): Add blanks for consistent output.
5448 (encode_section_info): Set TREE_READONLY for progmem data to
5449 avoid gas warnings about changed section attributes.
5450 (avr_hard_regno_mode_ok): Force non-QImode data to start in
5451 even numbered registers on devices with "movw".
5452 * config/avr/avr.h (MASK_*): Define bits for target_flags.
5453 (TARGET_SWITCHES): Mark help strings for translation.
5454 Add new -mpack-args and -menhanced switches.
5455 (TARGET_OPTIONS): Mark help strings for translation.
5456 (progmem_section): Add section attributes.
5457 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
5458 Output "movw" if available.
5459 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
5461 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
5462 call convention (arguments aligned on even registers).
5463 (_cleanup, _exit): Make weak symbols libc can override.
5465 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5467 * fp-bit.h: New file.
5469 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
5470 Comment #endif statements.
5471 (__thenan_sf, __thenan_df): Add missing braces around initializer.
5473 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
5475 * gcse.c (compute_pre_data): Compute ae_kill using other local
5476 properties instead of calling compute_ae_kill.
5478 * alias.c (init_alias_analysis): Do not call
5479 prologue_epilogue_contains until after reload has completed.
5481 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
5483 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
5484 (genrtl_finish_compound_stmt): Likewise.
5485 (genrtl_compound_stmt): Change to return void.
5487 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
5488 move code from here to ...
5489 (genrtl_compound_stmt): ... here.
5490 (genrtl_finish_compound_stmt): Remove.
5491 (expand_stmt): Add comment.
5493 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
5495 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
5498 2000-07-02 Jakub Jelinek <jakub@redhat.com>
5500 * cpplib.h (struct cpp_reader): New field include_depth.
5501 (struct cpp_printer): Rename last_bsd to last_id.
5502 * cppfiles.c (read_include_file): Bump include_depth.
5503 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
5504 (output_line_command): Output correct #line if a header
5505 is including itself and is not protected against multiple inclusion.
5506 Use include_depth instead of buffer_stack_depth, last_id instead of
5508 * cppinit.c (cpp_start_read): Initialize last_id instead of
5511 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
5513 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
5514 (c-semantics.o): New target.
5516 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
5517 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
5518 (genrtl_clear_out_block): Likewise.
5519 (genrtl_goto_stmt): Likewise.
5520 (genrtl_expr_stmt): Likewise.
5521 (genrtl_decl_stmt): Likewise.
5522 (genrtl_if_stmt): Likewise.
5523 (genrtl_while_stmt): Likewise.
5524 (genrtl_do_stmt): Likewise.
5525 (genrtl_return_stmt): Likewise.
5526 (genrtl_for_stmt): Likewise.
5527 (genrtl_break_stmt): Likewise.
5528 (genrtl_continue_stmt): Likewise.
5529 (genrtl_scope_stmt): Likewise.
5530 (genrtl_switch_stmt): Likewise.
5531 (genrtl_case_label): Likewise.
5532 (genrtl_begin_compound_stmt): Likewise.
5533 (gerntl_finish_compound_stmt): Likewise.
5534 (genrtl_compound_stmt): Likewise.
5535 (genrtl_asm_stmt): Likewise.
5536 (genrtl_decl_cleanup): Likewise.
5537 (DECL_ANON_UNION_ELEMS): Likewise.
5538 (emit_local_var): Likewise.
5539 (make_rtl_for_local_static): Likewise.
5540 (expand_cond): Likewise.
5541 (expand_stmt): Likewise.
5542 (c_expand_return): Likewise.
5543 (c_expand_start_case): Likewise.
5544 (do_case): Likewise.
5545 (COMPOUND_STMT_NO_SCOPE): Likewise.
5546 (c_expand_asm_operands): Likewise.
5547 (NEW_FOR_SCOPE_P): New macro.
5548 (expand_expr_stmt_fn): New type.
5550 (set_current_function_name_declared): Likewise.
5551 (current_function_name_declared): Likewise.
5552 (lang_expand_stmt): Likewise.
5553 (stmts_are_full_exprs_p): Likewise.
5554 (anon_aggr_type_p): Likewise.
5555 (lang_expand_expr_stmt): Likewise.
5556 (build_case_label): Likewise.
5558 * c-decl.c (lang_expand_expr_stmt): Initialize.
5559 (stmts_are_full_exprs_p): Define.
5560 (current_function_name_declared): Likewise.
5561 (do_case): Likewise.
5562 (lang_expand_stmt): Likewise.
5563 (set_current_function_name_declared): Likewise.
5564 (anon_aggr_type_p): Likewise.
5566 * c-semantics.c: New file.
5567 (expand_cond): Moved from cp/semantics.c.
5568 (genrtl_do_pushlevel): Likewise.
5569 (genrtl_clear_out_block): Likewise.
5570 (genrtl_goto_stmt): Likewise.
5571 (genrtl_expr_stmt): Likewise.
5572 (genrtl_decl_stmt): Likewise.
5573 (genrtl_if_stmt): Likewise.
5574 (genrtl_while_stmt): Likewise.
5575 (genrtl_do_stmt): Likewise.
5576 (genrtl_return_stmt): Likewise.
5577 (genrtl_for_stmt): Likewise.
5578 (genrtl_break_stmt): Likewise.
5579 (genrtl_continue_stmt): Likewise.
5580 (genrtl_scope_stmt): Likewise.
5581 (genrtl_switch_stmt): Likewise.
5582 (genrtl_case_label): Likewise.
5583 (genrtl_begin_compound_stmt): Likewise.
5584 (genrtl_finish_compound_stmt): Likewise.
5585 (genrtl_compound_stmt): Likewise.
5586 (genrtl_asm_stmt): Likewise.
5587 (genrtl_decl_cleanup): Likewise.
5588 (make_rtl_for_local_static): Moved from cp/decl.c.
5589 (emit_local_var): Likewise.
5590 (expand_stmt): Define.
5592 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
5593 (c_expand_return): Likewise.
5594 (c_expand_start_case): Likewise.
5596 2000-07-01 Richard Henderson <rth@cygnus.com>
5598 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
5599 with the low 13 bits set.
5600 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
5601 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
5602 of the low 13 bits into a CONST plus an adddi3.
5603 (load_symptr): Set RTX_UNCHANGING_P.
5605 See ChangeLog.3 for earlier changes.