1 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
3 * Makefile.in: Restructure bootstrap stages to allow clean
6 2000-09-05 Richard Henderson <rth@cygnus.com>
8 * config/ia64.md (movsi and movdi patterns): Allow moves from
9 8-bit constants to AR registers.
11 2000-09-05 Richard Henderson <rth@cygnus.com>
13 * config/ia64/ia64.md (mulhi3): New.
15 2000-09-05 Richard Henderson <rth@cygnus.com>
17 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
18 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
19 Optimization Guide, minimum latency alternative.
20 (__moddi3, __udivdi3, __umoddi3): Likewise.
21 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
23 2000-09-05 Bruce Korb <bkorb@gnu.org>
25 * gcc/fixinc/fixincl.c(load_file): always read header files
26 with sizes that are a multiple of the page size.
27 & use libiberty's getpagesize for determining that.
29 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
31 * gcse.c (hash_string_1): Add prototype.
32 * cse.c (canon_hash_string): Likewise.
34 2000-09-04 Craig Newell <CraigN@ieee.org>
36 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
38 2000-09-04 Andreas Schwab <schwab@suse.de>
40 * Makefile.in (STAGESTUFF): Remove libgcc.
41 (stage1-start, stage2-start, stage3-start): Copy the contents of
42 the libgcc directory explicitly.
43 (mostlyclean): Clean libgcc.
45 2000-09-04 Andrew Haley <aph@redhat.com>
47 * dwarf2out.c: (stack_adjust_offset): New prototype.
49 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
51 * combine.c (make_extraction): Fix rtx_cost comparison to
54 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
56 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
57 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
58 Add '*' to insn pattern name.
60 2000-09-04 Jakub Jelinek <jakub@redhat.com>
62 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
63 use posn - 1 to index into tokens array.
64 (maybe_paste_with_next): Adjust caller.
66 2000-09-03 Geoff Keating <geoffk@cygnus.com>
68 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
70 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
71 (REGNO_REG_CLASS): Use symbolic register
74 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
76 * arm.c (final_prescan_insn): If the form of a jump insn isn't
77 recognized, don't try to conditionally execute it.
79 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
81 * config/avr/avr.md ("*tablejump_lib"): New pattern.
82 (call_value_insn): Right length claculation.
83 (call_insn): Likewise.
85 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
87 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
88 gas_output_limited_string, gas_output_ascii, output_movqi,
89 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
90 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
91 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
92 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
93 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
94 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
95 Add "const" as needed to remove warnings.
97 * config/avr/avr.c (avr_override_options, avr_init_once,
98 function_prologue, function_epilogue, frame_pointer_required_p,
99 class_likely_spilled_p, order_regs_for_local_alloc,
100 avr_address_cost, avr_ret_register): Use K&R style arguments.
101 (initial_elimination_offset, gas_output_limited_string):
102 Remove ATTRIBUTE_UNUSED from the used arguments.
103 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
104 Use local variables src, dest, base to access operands[].
105 Rename reg_dest to reg_src if that's what it is.
106 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
107 constants to LD_REGS if reg_was_0.
108 (output_reload_insisf): Change arg 3 to insn length and set it.
109 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
110 access to 16-bit I/O register pairs.
111 (avr_address_cost): Lower cost for the above case.
112 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
113 may be clobbered, also for LD_REGS.
114 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
117 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
119 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
120 macro to test_hard_reg_class function.
121 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
122 for loading immediate constants to LD_REGS.
123 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
126 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
128 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
129 * config/avr/libgcc.S: Lost part of the previous patch.
131 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
133 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
134 object before calling pthread_mutex_init.
136 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
138 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
139 config/sh/crtn.asm: New files.
140 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
141 (crt1.o, crti.o, crtn.o): New targets.
142 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
144 * configure: Rebuilt.
145 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
146 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
147 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
148 Undefine for config/elfos.h to redefine.
149 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
151 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
153 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
154 legitimize_pic_address, output_pic_addr_const): Declare.
155 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
156 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
157 (TARGET_SWITCHES): New switch -mprefergot.
158 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
159 (PIC_OFFSET_TABLE_REGNUM): Define.
160 (GOT_SYMBOL_TABLE): Likewise.
161 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
162 (ENCODE_SECTION_INFO): Define.
163 (FINALIZE_PIC): New macros.
164 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
165 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
166 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
167 (prepare_move_operands): Call emit_pic_move or
168 emit_pic_const_move if appropriate.
169 (output_far_jump): For PIC, use braf and output long offset.
170 (machine_dependent_reorg):
171 (sh_expand_prologue): Save and initialize the PIC register.
172 (sh_expand_epilogue): Restore it.
173 (initial_elimination_offset): Account for it.
174 (nonpic_symbol_mentioned_p): New function.
175 (legitimize_pic_address): Likewise.
176 (output_pic_addr_const): Likewise.
177 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
178 (call, call_value): Use them.
179 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
180 symPLT_label2reg): New expands.
181 * invoke.texi (SH Options): Document -mprefergot.
183 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
185 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
186 * gcse.c (hash_string_1): New function.
187 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
188 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
189 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
190 (canon_hash_string): New function.
191 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
192 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
193 (fold_rtx): Use ASM_OPERANDS accessor macros.
194 * emit-rtl.c (copy_insn_1): Likewise.
195 * integrate.c (copy_rtx_and_substitute): Likewise.
196 * stmt.c (expand_asm_operands): Likewise. Give an
197 ASM_OPERANDS rtx the mode of the output reg being set from it.
199 2000-09-01 Fred Fish <fnf@be.com>
201 * fix-header.c (write_rbrac): Add putc and getc to list of
202 functions to protect against prior definition as a macro.
204 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
206 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
207 (c_size_type_node): Define.
208 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
209 * c-common.c (enum format_lengths, enum format_std_version,
210 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
211 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
212 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
213 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
214 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
215 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
216 format_types): Define.
217 (format_char_info, print_char_table, scan_char_table,
218 time_char_table): Rearrange for new organization of information
219 about format length modifiers and standard versions.
220 (T_ST): Redefine to use c_size_type_node.
221 (check_format_info): Obtain information about length modifiers and
222 standard versions from tables. Adjust warning message wordings.
223 Use the name from the user's program for `ll' and `hh' length
224 modifiers in warning messages. Use more informative names for
225 wanted types where available (for wchar_t, wint_t, size_t, signed
226 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
228 2000-09-01 Jim Wilson <wilson@cygnus.com>
230 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
231 * combine.c (distribute_notes): Handle REG_NORETURN.
232 * rtl.c (reg_note_name): Add REG_NORETURN.
233 * rtl.h (enum reg_note): Likewise.
235 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
237 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
238 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
239 (emit_predicate_relation_info): Handle conditional calls with
241 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
242 instead of ia64_file_start.
243 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
244 * config/ia64/ia64.md (safe_across_calls_all,
245 save_across_calls_normal): New patterns.
247 * loop.c (check_final_value): Check for biv use before checking for
248 giv use. Check for both biv and giv uses. Always set last_giv_use
249 if there is a giv use.
251 2000-09-01 Richard Henderson <rth@cygnus.com>
253 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
257 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
259 * expr.c (clear_storage): Don't use emit_move_insn unless
260 either BLKmode or proper size.
261 (store_constructor): Don't call clear_storage if REG of wrong size.
263 * flow.c (init_propagate_block_info): Don't mark frame dead at end
264 of function if returns wiht stack pointer depressed.
266 2000-09-01 Andrew Haley <aph@redhat.com>
268 * dwarf2out.c (stack_adjust_offset): New function.
269 (dwarf2out_stack_adjust): Break out stack adjust logic into
270 new stack_adjust_offset function. Look inside parallels and
271 sequences for stack adjustments.
273 2000-08-31 Jeff Law <law@cygnus.com>
275 * arm.md: Use no_new_pseudos to determine when it is safe
276 to create new pseudo registers.
278 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
279 when we can safely allocate new registers.
281 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
283 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
284 so that CONCATs are not generated for ASMs.
285 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
286 not generating_concat_p.
287 * function.c (pop_function_context_from): Reset
289 (prepare_function_start): Likewise.
290 * rtl.c (generating_concat_p): Define.
291 * rtl.h (generating_concat_p): Declare.
292 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
294 2000-08-22 Philipp Thomas <pthomas@suse.de>
295 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
297 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
300 2000-08-30 Greg McGary <greg@mcgary.org>
302 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
303 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
304 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
306 2000-08-30 Greg McGary <greg@mcgary.org>
308 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
309 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
310 (TREE_INT_CST): New macro.
311 * varasm.c (const_hash, compare_constant_1, record_constant_1):
312 Use new macro TREE_INT_CST.
314 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
316 * contrib.texi: Add self.
318 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
320 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
321 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
324 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
326 * fixinc/gnu-regex.c: Don't define `const'.
328 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
330 * expr.c (store_constructor): Allow variable bounds of array type.
331 (expand_expr): Don't blow up if type is ERROR_MARK.
332 * varasm.c (output_constructor): Don't access lower bound of array
333 type unless need it if index is supplied (so it can be a variable
334 if no index is supplied).
335 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
336 Other minor cleanups.
338 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
340 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
341 for compilations in stage 1 and subsequent stages, respectively.
342 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
343 * configure: Rebuilt.
344 * x-vax, x-vax-gcc: Deleted.
346 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
348 * c-common.c (declare_function_name): Use func_id_node,
349 function_id_node, and pretty_function_id_node. Do not make
350 __func__ visible at file scope.
351 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
352 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
353 (function_id_node, pretty_function_id_node, func_id_node): New
355 * c-decl.c (init_decl_processing): Initialize function_id_node,
356 pretty_function_id_node, and func_id_node.
357 (c_make_fname_decl): Correct comment.
359 * tree.h (struct tree_identifier): Constify pointer member.
361 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
362 * c-pragma.h (struct weak_syms): Constify name and value members.
363 (add_weak): Constify arguments.
365 * calls.c (special_function_p): Constify a char *.
366 (expand_call): Remove variable which is initialized and then
368 * dependence.c (struct def_use, struct induction, struct subscript):
369 Constify 'variable' member.
370 (get_low_bound, have_induction_variable): Constify char * argument.
371 (find_induction_variable): Add braces to avoid dangling else.
372 (classify_dependence): Constify char * arrays.
373 * profile.c (output_func_start_profiler): Constify a char *.
374 * stor-layout.c (finalize_record_size): Constify a char *.
375 * tree.c (is_attribute_p): Constify a char *.
376 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
378 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
379 for comprehensibility. Do not call get_identifier if we did
380 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
381 create temporary string constants, not ggc_alloc_string. No
382 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
383 char * to hold IDENTIFIER_POINTERs.
385 2000-08-29 Richard Henderson <rth@cygnus.com>
387 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
390 2000-08-29 Richard Henderson <rth@cygnus.com>
392 * reload.c (push_secondary_reload): Allow class == reload_class
393 if we're using a reload_in/out pattern.
395 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
396 the half that does not conflict with the reload register.
397 (reload_outti): Likewise.
399 2000-08-29 Kazu Hirata <kazu@hxi.com>
401 * reload.c: Fix formatting.
403 * stmt.c: Fix formatting.
405 * gcc.c: Fix formatting.
407 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
409 * flags.h (time_report, mem_report): New global flags.
410 * toplev.c: Define time_report and mem_report.
411 (f_options): Add -ftime-report and -fmem-report.
412 (compile_file): Turn on time_report if quiet_flag is off.
413 Call ggc_print_statistics at very end if mem_report is on.
414 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
416 * ggc-common.c (ggc_print_statistics): Rename to
417 ggc_print_common_statistics; all callers changed. Scale
418 quantities above 10K to kilobytes and above 10M to megabytes.
419 * ggc-page.c (ggc_page_print_statistics): Rename to
420 ggc_print_statistics. Report memory consumed by internal data
421 structures for each allocation bucket. Scale quantities above
422 10K to kilobytes and above 10M to megabytes.
423 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
424 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
425 Define tally_leaves always.
426 (ggc_print_statistics): New function.
427 * ggc.h: Adjust for renamed functions.
429 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
431 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
432 output_movsisf instead of which_alternative.
434 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
436 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
438 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
439 (avr_progmem_p): New prototype.
440 (output_movsisf): Prototype declaration changed.
441 (output_movqi): New prototype.
442 (output_movhi): New prototype.
443 (call_insn_operand): Likewise.
444 (final_prescan_insn): Likewise.
445 (avr_simplify_comparision_p): Likewise.
446 (avr_normalize_condition): Likewise.
447 (compare_eq_p): Likewise.
448 (out_shift_with_cnt): Likewise.
449 (const_int_pow2_p): Likewise.
450 (output_reload_inhi): Prototype declaration changed.
452 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
453 (ldi_reg_rtx): New. rtx for r31.
454 (avr_init_stack): Initialize as "__stack".
455 (function_prologue): Use it.
456 Replace all TARGET_ENHANCED with AVR_ENHANCED.
457 (avr_mcu_name): Initialize as "avr2".
458 (avr_enhanced_p, avr_mega_p): New variables.
459 (mcu_types, avr_override_options): Handle all known MCU types.
460 Also handle avr1 (only preprocess, assemble and link).
461 (print_operand): Using of `%K' in output template removed.
462 (out_movqi_r_mr): Optimized.
463 (out_movhi_r_mr): Likewise.
464 (output_movqi): New function.
465 (output_movhi): Likewise.
466 (out_movsi_r_mr): Optimized.
467 (output_movsisf): Compute insn length for `adjust_insn_length'
468 (out_movqi_mr_r): Optimized.
469 (out_movhi_mr_r): Optimized.
470 (adjust_insn_length): Use output_movsisf, output_movqi,
471 output_movhi for insn length adjusting.
472 (reg_unused_after): Use dead_or_set_p.
473 (preferred_reload_class): Now havn't any restriction.
474 (reg_was_0): New function.
475 (io_address_p): Likewise.
476 (const_int_pow2_p): Likewise.
477 (output_reload_inhi): Likewise.
478 (output_reload_insisf): Likewise.
480 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
481 (LIB_SPEC): Use -lc for all supported devices.
482 (LIBGCC_SPEC): Use -lgcc for all supported devices.
483 (AVR_MEGA): Define as avr_mega_p.
484 (AVR_ENHANCED): New, define as avr_enhanced_p.
485 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
486 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
487 (CRT_BINUTILS_SPECS): Handle all known MCU types.
488 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
489 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
490 (ASM_SPEC): Pass -mmcu=... to the assembler.
491 Change all -DAVR_* to -D__AVR_*__.
492 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
493 Rename library functions to start with two underscores.
494 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
496 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
497 (SUPPORTS_WEAK): Likewise.
498 (LDI_REG_REGNO): New. Register r31 will be used as temporary
499 register for loading constants to r0-r14.
501 * config/avr/avr.md: Replace all TARGET_ENHANCED with
503 (*mov_r_sp): Removed. Handled by output_movhi.
504 (*mov_sp_r): Likewise.
505 (*mov_sp_r_no_interrupts): Likewise
506 (*mov_sp_r_tiny): Likewise.
507 (*movqi): Use output_movqi.
509 (*movhi): Use output_movhi.
511 (*negsi2): Optimized.
513 Added peepholes (define_peephole2) for loading constants to r0-r14
514 and for using `cpse' command.
516 * config/avr/libgcc.S: Rename library functions to start with two
518 Add support for enhanced core.
519 (_moqhi3): Fix typo, now _modqi3.
520 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
521 (__prologue_saves__): Remove test for stack adjust by 0.
522 (__tablejump__): New.
524 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
525 Add multilib support.
527 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
529 * loop.c (prescan_loop): Don't check unknown_address_altered
530 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
531 to loop_store_mems as necessary.
532 (loop_invariant_p): Don't check unknown_address_altered
533 or unknown_constant_address_altered.
535 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
537 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
539 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
541 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
542 print just the filename.
543 * cpplex.c (_cpp_run_directive): Add additional argument, the
544 name to give the synthetic buffer. This defaults to
545 translated "<command line>".
546 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
548 (_cpp_define_builtin): New function.
549 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
550 * cpphash.h: Update prototypes.
552 * tradcpp.c (main): Process -D and -U simultaneously, in the
553 order they appeared on the command line.
555 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
557 * c-decl.c (define_label): Call warning_with_file_and_line and
558 error_with_file_and_line instead of plain warning or error.
560 * c-parse.in (label): Use save_filename/save_lineno to ensure
561 correct values for calls to define_label.
563 2000-08-29 Mark Mitchell <mark@codesourcery.com>
565 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
567 * expr.c (expand_expr, case TARGET_EXPR): Don't call
569 * tree.h (get_file_function_name): Remove two duplicate
572 2000-08-28 Kazu Hirata <kazu@hxi.com>
574 * tree.c: Fix formatting.
576 * xcoffout.c: Fix formatting.
578 2000-08-28 Jason Merrill <jason@redhat.com>
580 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
582 2000-08-28 Daniel Berlin <dberlin@redhat.com>
584 * dwarf2out.c (dwarf2out_finish): Don't bother calling
585 break_out_includes if it won't do anything.
587 2000-08-28 Richard Henderson <rth@cygnus.com>
589 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
590 (find_reloads): Likewise.
591 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
592 (reload_inhi): Likewise.
594 2000-08-28 Richard Henderson <rth@cygnus.com>
596 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
597 (call_insn_operand): Don't expect a surrounding mem.
598 (constant_call_address_operand): Likewise.
599 * config/i386/i386.h (PREDICATE_CODES): Update.
600 * config/i386/i386.md (call patterns): Move the match_operand
601 for the call destination inside the mem.
603 2000-08-28 Richard Henderson <rth@cygnus.com>
605 * local-alloc.c (requires_inout): Don't use reserved range for
606 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
607 * recog.c (asm_operand_ok): Likewise.
608 (preprocess_constraints, constrain_operands): Likewise.
609 * regclass.c (record_reg_classes): Likewise.
610 * reload.c (find_reloads): Likewise.
611 * reload1.c (maybe_fix_stack_asms): Likewise.
612 (reload_cse_simplify_operands): Likewise.
613 * stmt.c (expand_asm_operands): Likewise.
615 * md.texi: Update constraints documentation.
616 * tm.texi (EXTRA_CONSTRAINT): Update.
618 2000-08-28 Daniel Berlin <dberlin@redhat.com>
620 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
621 (print_die): If we don't know the offset of the
622 target die, try the symbol. Add a trailing newline.
623 (reverse_all_dies): New fn.
624 (dwarf2out_finish): Call it.
625 (break_out_includes): Reorganize for clarity.
626 (add_sibling_attributes): Don't call reverse_die_lists.
627 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
629 * flags.h: Add flag_eliminate_dwarf2_dups.
630 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
632 2000-08-28 Jason Merrill <jason@redhat.com>
634 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
635 * dwarf2out.c: #include "md5.h".
636 (DIE_LABEL_PREFIX): New macro.
637 (dw_val_struct): Add 'external' flag to val_die_ref.
638 (add_AT_die_ref, AT_ref): Adjust.
639 (AT_ref_external, set_AT_ref_external): New fns.
640 (build_abbrev_table): Call set_AT_ref_external.
641 (value_format): Call AT_ref_external.
642 (die_struct): Add die_symbol field.
644 (dwarf_tag_name): Handle BINCL/EINCL.
645 (dwarf2out_start_source_file): Add BINCL DIE.
646 (dwarf2out_end_source_file): Add EINCL DIE.
647 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
648 (loc_checksum, attr_checksum, die_checksum): New fns.
649 (is_type_die, is_comdat_die, is_symbol_die): New fns.
650 (compute_section_prefix, assign_symbol_names): New fns.
651 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
652 (output_die): Call output_die_symbol and AT_ref_external.
653 (output_comdat_comp_unit): New fn, split out from...
654 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
656 (output_pubnames, output_aranges): Abort if we see entries from
658 * toplev.h: Declare file_name_nondirectory.
659 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
660 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
661 (debug_start_source_file): Call dwarf2out_start_source_file
662 regardless of debug verbosity.
663 (debug_end_source_file): Similarly.
664 * tree.h: Declare clean_symbol_name.
665 * tree.c (clean_symbol_name): Split out from...
666 (get_file_function_name_long): ...here.
668 * dwarf2out.c (new_loc_descr): Use calloc.
669 (splice_child_die): Remove the die from the right parent.
670 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
672 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
674 * toplev.c (decode_g_option): Don't give warning for unknown -g
675 option; return 0 instead.
676 (main): If -g option is not recognized by front end or
677 language-independent code, give warning.
679 2000-08-28 Greg McGary <greg@mcgary.org>
681 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
682 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
683 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
685 2000-08-27 Greg McGary <greg@mcgary.org>
687 * cpplex.c (parse_string): Don't look for backslash
688 before first char in `namebuf'.
689 * loop.c (strength_reduce): Skip NOTEs.
691 2000-08-27 Jason Merrill <jason@redhat.com>
693 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
694 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
695 TREE_ASM_WRITTEN, either.
696 (finish_decl): Adjust.
698 2000-08-28 Philipp Thomas <pthomas@suse.de>
700 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
701 they have been incorporated into the gettext CVS. Change the text to
702 reflect the current status of NLS. Add instructions for accessing
703 the gettext CVS and add the patch from Martin v. Loewis.
705 2000-08-27 Geoff Keating <geoffk@cygnus.com>
707 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
708 by using gen_lowpart_common.
709 (movdi_internal64+6): Likewise.
711 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
713 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
716 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
717 numbers to the ranges used by GDB.
719 2000-08-25 Richard Henderson <rth@cygnus.com>
721 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
722 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
723 (ia64_expand_prologue): Likewise.
724 (ia64_setup_incoming_varargs): Set it. Properly skip the current
725 argument for stdargs.
727 2000-08-25 Jason Merrill <jason@redhat.com>
729 * integrate.c (expand_inline_function): Pull out the original decl.
731 2000-08-25 Jim Wilson <wilson@cygnus.com>
733 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
735 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
737 2000-08-25 Greg McGary <greg@mcgary.org>
739 * flow.c (dump_edge_info): Use ARRAY_SIZE.
740 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
742 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
744 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
746 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
748 * i386.c (ix86_find_base_term): New.
749 * i386-protos.h (ix86_find_base_term): Prototype.
750 * i386.h (FIND_BASE_TERM): Define.
751 * alias.c (find_base_term): Use it.
752 * tm.texi (FIND_BASE_TERM): Document it.
754 * alias.c (true_dependence, write_dependence_p): Unchanging
755 memory can't conflict with non-unchanging memory.
757 * alias.c (memrefs_conflict_p): A BLKmode reference
758 to a symbol (or CONST_INT address) always conflicts
759 with a reference to another symbol.
761 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
763 * c-common.c (time_char_table): Don't allow width and flags with
766 2000-08-25 Jakub Jelinek <jakub@redhat.com>
768 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
769 way as LT and LTU when the second operand has 0 in low word.
771 2000-08-26 Michael Hayes <mhayes@cygnus.com>
773 * basic-block.h (struct loop): Rename `exits' field to
774 `exit_edges'. Add `entry_edges' and `num_entries' fields.
776 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
777 (flow_loop_entry_edges_find): Add.
778 (flow_edge_list_print): Rename from flow_exits_print.
779 (flow_loops_find): Call flow_loop_entry_edges_find.
780 (flow_loop_dump): Dump entry_edges list.
781 (flow_loops_free): Free entry_edges.
783 2000-08-26 Michael Hayes <mhayes@cygnus.com>
785 * loop.c (loop_dump_aux, debug_loop): New functions.
786 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
788 * flow.c (flow_loops_dump): Add callback parameter.
789 (flow_loop_dump): Add callback parameter and call it. Move
790 loop note debugging code to loop_dump_aux.
792 * basic-block.h (flow_loop_dump): Add callback parameter
793 (flow_loops_dump): Likewise.
795 * toplev.c (rest_of_compilation): Add NULL callback function pointer
796 to call to flow_loops_dump.
798 2000-08-26 Michael Hayes <mhayes@cygnus.com>
800 * loop.c (count_loop_regs_set): Replace start and end arguments
801 with loop argument. All callers udated.
803 2000-08-26 Michael Hayes <mhayes@cygnus.com>
805 * loop.c (constant_high_bytes): Delete.
807 2000-08-26 Michael Hayes <mhayes@cygnus.com>
809 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
810 and NOTE_INSN_LOOP_VTOP to...
811 (find_and_verify_loops) ...here.
813 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
815 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
816 (fini_dummy, init_dummy): Use it.
818 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
820 * cpplex.c (is_macro_disabled): Caller has already checked
821 that we're not a preprocessed file.
823 2000-08-24 Mark Mitchell <mark@codesourcery.com>
825 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
826 (c-iterate.o): Remove target.
827 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
828 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
829 (finish_decl): Don't handle iterators.
830 (grokdeclarator): Likewise.
831 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
832 * gcc/c-gperf.h: Regenerated.
833 * gcc/c-iterate.c: Removed.
834 * gcc/c-lex.c (init_lex): Don't handle iterators.
835 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
836 (compstmt_primary_start): Remove push_iterator_stack call.
837 (stmt): Don't allow iterator statements. Replace iterator_expand
838 with expand_expr_stmt.
839 (all_iter_stmt): Remove.
840 (all_iter_stmt_simple): Likewise.
841 (all_iter_stmt_with_decl): Likewise.
842 * gcc/c-tree.h (ITERATOR_P): Remove.
843 (ITERATOR_BOUND_P): Likewise.
844 (init_iterators): Remove declaration.
845 (iterator_expand): Likewise.
846 (iterator_for_loop_start): Likewise.
847 (iterator_for_loop_end): Likewise.
848 (iterator_for_loop_record): Likewise.
849 (push_iterator_stack): Likewise.
850 (pop_iterator_stack): Likewise.
851 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
852 (readonly_warning): Likewise.
853 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
855 2000-08-24 Jim Wilson <wilson@cygnus.com>
857 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
858 Copy type in a TYPE_DECL, just like pushdecl does.
860 2000-08-24 Richard Henderson <rth@cygnus.com>
862 * toplev.c (main): Enable flag_reorder_blocks at -O2.
864 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
866 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
867 asked for one page, allocate GGC_QUIRE_SIZE of them and put
868 the extras on the free list.
869 (release_pages): Clean up.
870 (ggc_set_mark): Don't adjust G.allocated here...
871 (sweep_pages): ... do it here.
873 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
875 * cppfiles.c (read_include_file): Rearrange initializations.
877 2000-08-24 Richard Henderson <rth@cygnus.com>
879 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
881 * config/ia64/ia64-protos.h: Update.
882 * config/ia64/ia64.c (gr_register_operand): New.
883 (fr_register_operand, grfr_register_operand): New.
884 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
885 (grfr_reg_or_8bit_operand): New.
886 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
887 use gr_register_operand.
888 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
889 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
890 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
891 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
892 (fr_reg_or_fp01_operand): Likewise.
893 (not_postinc_memory_operand): New.
894 (ia64_split_timode): Remove unused variables.
895 (rtx_needs_barrier): Check arguments to cmpxchg.
896 (builtin_description): Remove.
897 (bdesc_2argsi, bdesc_2argdi): Remove.
898 (ia64_init_builtins): Declare all builtins directly.
899 (ia64_expand_fetch_and_op): Rewrite to be called from
900 ia64_expand_builtin directly. Use expand_binop and co.
901 (ia64_expand_op_and_fetch): Likewise.
902 (ia64_expand_compare_and_swap): Likewise.
903 (ia64_expand_binop_builtin): Remove.
904 (ia64_expand_lock_test_and_set): New.
905 (ia64_expand_lock_release): New.
906 (ia64_expand_builtin): Use them.
907 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
908 (EXTRA_CONSTRAINT): Use it.
909 (PREDICATE_CODES): Update.
910 * config/ia64/ia64.md (*): Use gr_register_operand and co.
911 (mf): Indicate that we set memory as well as use it.
912 (fetchadd_acq_si): Show memory being modified as well.
913 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
914 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
915 (lock_test_and_set_si, lock_test_and_set_di): Remove.
916 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
917 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
918 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
919 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
920 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
921 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
922 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
923 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
924 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
925 return type. Pretty print definitions.
927 2000-08-24 Jim Wilson <wilson@cygnus.com>
929 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
930 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
932 2000-08-24 Jason Merrill <jason@redhat.com>
934 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
935 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
936 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
937 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
939 2000-08-24 Greg McGary <greg@mcgary.org>
941 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
942 and extendtab within their proper array boundaries.
943 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
944 for the entire array.
946 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
947 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
948 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
949 * config/fr30/fr30.c (fr30_print_operand): Likewise.
950 * config/i386/dgux.c (output_options): Likewise.
951 * config/i386/dgux.h (ASM_FILE_START): Likewise.
952 * config/m88k/m88k.c (output_options): Likewise.
953 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
954 * config/mcore/mcore.c (mcore_output_inline_const_forced,
955 layout_mcore_frame, handle_structs_in_regs): Likewise.
956 * config/mips/mips.c (output_block_move): Likewise.
957 * config/rs6000/rs6000.c (rs6000_override_options,
958 rs6000_file_start): Likewise.
959 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
960 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
961 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
962 * builtins.c (expand_builtin_setjmp): Likewise.
963 * expr.c (safe_from_p): Likewise.
964 * flow.c (life_analysis): Likewise.
965 * fold-const.c (size_int_type_wide): Likewise.
966 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
967 * genattrtab.c (make_length_attrs): Likewise.
968 * genopinit.c (gen_insn): Likewise.
969 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
970 * global.c (global_alloc): Likewise.
971 * local-alloc.c (find_free_reg): Likewise.
972 * mips-tdump.c (print_symbol): Likewise.
973 * mips-tfile.c (parse_def, parse_input): Likewise.
974 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
975 * stmt.c (expand_nl_goto_receiver): Likewise.
976 * stor-layout.c (set_sizetype): Likewise.
977 * varasm.c (decode_reg_name): Likewise.
978 * toplev.c (decode_f_option, decode_W_option,
979 set_target_switch, print_switch_values): Likewise.
980 (NUM_ELEM): Remove macro.
981 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
983 2000-08-24 Greg McGary <greg@mcgary.org>
985 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
986 (MAIN_NAME_P, main_identifier_node): New macros.
987 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
988 * c-decl.c (start_decl, grokdeclarator, start_function,
989 store_parm_decls, finish_function): Use MAIN_NAME_P.
990 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
991 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
992 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
993 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
995 2000-08-24 Greg McGary <greg@mcgary.org>
997 * cppfiles.c (actual_directory): Don't write beyond `dir'
999 * real.c (asctoeg): Stay within bounds of etens[][].
1001 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1003 * dependence.c (dependence_string, direction_string,
1004 dump_one_node, dump_node_dependence): Hide unused identifiers.
1005 (get_low_bound, normalize_coefficients): Match definition to
1007 (get_one_coefficient): Initialize variables `value0_is_idx' and
1009 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
1010 (ziv_test): Delete variable `idx', use parameter `sub' instead.
1011 (direction_merge): Avoid automatic aggregate initialization.
1012 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
1013 Initialize variables `dest_idx' and `src_idx'.
1014 (end_dependence_analysis): Avoid C89 style function definition.
1016 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
1018 * c-common.c (time_char_table): Don't allow width with %F.
1019 (check_format_info): Don't allow "Z" length with scanf.
1021 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
1023 * diagnostic.c (finish_diagnostic): Define.
1024 (output_do_printf): Use wrap_text instead of output_add_string.
1025 (default_print_error_function): Avoid embedded '\n'.
1027 * diagnostic.h (flush_diagnostic_buffer): Declare.
1029 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
1031 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
1033 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
1035 * Makefile.in (GCC_PASSES): Add specs.
1037 2000-08-23 Jim Wilson <wilson@cygnus.com>
1039 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
1040 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
1041 EHANDLER nor UHANDLER bit is set.
1042 (__get_except_table): Likewise.
1044 2000-08-23 Nick Clifton <nickc@redhat.com>
1046 * config/arm/lib1funcs.asm: Replace upper case condition codes
1047 with lower case versions.
1049 * config/arm/arm.h (STRUCT_VALUE): Define.
1050 (STRUCT_VALUE_REGNUM): Delete.
1052 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
1054 * cpphash.h (IN_I): New flag for directive table.
1055 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
1057 (_cpp_check_directive): If -fpreprocessed, execute directives
1058 marked with IN_I. Issue no warnings in this case.
1059 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
1061 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
1063 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
1065 (check_format_info): Support printf 'I' flag; warn about it with
1068 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
1070 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
1071 barrier can't be ignored by the alias analysis code.
1073 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
1075 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
1076 works inside fixincl.
1078 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
1080 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
1081 simplify_relational_operation() unless both operands are of
1083 * cse.c (fold_rtx): Likewise.
1085 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
1087 * rtlanal.c (rtx_unstable_p): The pic register is stable
1088 (within one function) and the actual rtx should be used
1089 when checking the registers.
1090 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
1092 * alias.c (true_dependence, write_dependence_p): Fix
1093 bug in previous patch.
1095 * i386.c (ix86_GOT_alias_set): New.
1096 (legitimize_pic_address): Use it.
1098 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
1099 only stable if its address is stable.
1100 (rtx_varies_p): An unchanging MEM can't vary if
1101 its address doesn't vary.
1103 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1105 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
1107 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1109 * vax.h (ASM_SPEC): Pass `-J' to assembler.
1110 * x-vax-gcc: New file for bootstrapping with gcc.
1111 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
1112 * configure.in: Use x-vax-gcc with gcc.
1113 * configure: Rebuilt.
1115 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1117 * toplev.c (rest_of_compilation): Rebuild label notes after
1118 post-reload splitting pass if new labels have been created.
1120 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
1122 * diagnostic.h (output_buffer_state): New macro.
1123 * diagnostic.c (diagnostic_for_decl, sorry,
1124 default_print_error_function, output_do_verbatim,
1125 report_diagnostic, report_problematic_module): Use it.
1127 (output_format): Use wrap_text instead of maybe_wrap_text.
1129 2000-08-22 Nick Clifton <nickc@redhat.com>
1131 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
1132 Common code for ARM divide and modulus functions.
1133 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
1135 (FUNC_END): New macro: Common code at the end of the division and
1137 (THUMB_FUNCTION_START): New macro: Common code at the start of
1139 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
1141 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
1143 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
1145 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
1146 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
1149 2000-08-22 Nick Clifton <nickc@redhat.com>
1151 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
1152 restorative additions, test for bottom bits of IP being set,
1153 rather than relying upon the RORs not matching.
1156 2000-08-22 David Edelsohn <edelsohn@gnu.org>
1158 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
1159 text_section() as appropriate instead of emitting text csect
1161 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
1162 (UNIQUE_SECTION): Define macro.
1163 (ASM_OUTPUT_SECTION_NAME): Define macro.
1164 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
1165 on AIX if debugging and -fdata-sections always.
1167 2000-08-22 Steven King <sxking@uswest.net>
1169 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
1171 (LDBL_MAX): Same here.
1173 2000-08-22 Richard Henderson <rth@cygnus.com>
1175 * flow.c (tidy_fallthru_edge): Update b->end properly.
1177 2000-08-22 Stan Cox <scox@redhat.com>
1179 * Makefile.in (OBJS): Add dependence.o.
1180 * dependence.c: New file.
1182 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
1184 * calls.c (check_sibcall_argument_overlap_1): Adjust for
1186 (check_sibcall_argument_overlap): Likewise.
1188 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
1190 * invoke.texi (SH Options): Document -m4-nofpu,
1191 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
1192 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
1194 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
1196 * c-common.c (check_format_info): Give the 'some locales' warning
1197 for strftime %Ey rather than the unconditional 'only last 2 digits
1200 2000-08-22 Richard Henderson <rth@cygnus.com>
1202 * alias.c (init_alias_analysis): Do not register
1203 struct_value_incoming_rtx or static_chain_rtx as pointing
1206 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
1208 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
1210 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
1212 * diagnostic.h (report_problematic_module): Declare.
1213 * diagnostic.c (report_problematic_module): New function.
1214 (report_error_function): Tweak.
1216 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1218 * stmt.c (expand_goto_internal, fixup_gotos): Only check
1219 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
1221 2000-08-21 Richard Henderson <rth@cygnus.com>
1223 * flow.c (calculate_global_regs_live): Mark frame pointer live
1224 everywhere before reload.
1226 2000-08-21 Jim Wilson <wilson@cygnus.com>
1228 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
1229 INTEL_EXTENDED_IEEE_FORMAT.
1230 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
1231 clear last two bytes of output FP value.
1233 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
1235 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
1237 2000-08-21 Jakub Jelinek <jakub@redhat.com>
1239 * unroll.c (loop_find_equiv_value): If ret is modified between
1240 insn and loop_start, ret might not be equivalent to reg.
1242 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1244 * c-common.c (init_dollar_format_checking,
1245 maybe_read_dollar_number, finish_dollar_format_checking): New
1247 (dollar_arguments_used, dollar_arguments_count,
1248 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
1250 (check_format_info): Support $ formats for scanf and printf width
1251 and precision. Always increment format_chars to advance past the
1252 '*' of precision, not just when the format parameters are
1255 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1257 * mips.c (block_move_loop, expand_block_move,
1258 function_arg_partial_nregs, save_restore_insns, function_prologue,
1259 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
1261 (function_arg_advance, function_arg): Match argument to format
1264 2000-08-21 Nix <nix@esperi.demon.co.uk>
1266 * gcc.c (do_spec_1): Implement %j spec flag.
1267 Remove dead comment.
1269 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
1270 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
1271 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
1272 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
1274 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
1275 writable) instead of hardcoded value.
1277 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
1279 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
1282 * gcc.c (cc1_options): Do not process -o or run the assembler if
1284 * objc/lang-spec.h: Likewise.
1286 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
1288 * fixinc/fixincl.c (fix_with_system): Pipe the output of
1289 "external" fixes through `cat', to avoid truncating the input
1290 file by redirection.
1292 2000-08-21 Jakub Jelinek <jakub@redhat.com>
1294 * config/i386/i386.md (lea_general_1): Copy insn condition to split
1296 (lea_general_2, lea_general_3): Likewise.
1298 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1300 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
1301 warnings to user code.
1303 * c-lex.c (readescape, yylex): Likewise.
1305 * c-typeck.c (store_init_value, process_init_element): Likewise
1306 (c_expand_start_case): Format.
1308 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
1310 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
1312 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
1313 and linker_endian_spec to endian_spec.
1314 (ENDIAN_SPEC): Add %{EB} and %{EL}.
1315 (LINK_SPEC): Remove %{EB} and %{EL}.
1316 (ASM_SPEC): Likewise. Use %(endian_spec).
1318 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1320 * c-tree.h (flag_hosted): Move declaration from here...
1321 * c-common.h (flag_hosted): ... to here.
1322 (flag_noniso_default_format_attributes): New declaration.
1323 * c-decl.c (flag_noniso_default_format_attributes): New variable.
1324 (c_decode_option): Set it appropriately for options choosing
1325 language standard variant.
1326 * c-common.c (init_function_format_info): Only provide default
1327 format attributes if flag_hosted. Only provide the gettext
1328 formats if flag_noniso_default_format_attributes. Update
1330 (check_format_info): Disable treatment of %a as a scanf flag in
1333 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1335 * c-common.c (scan_char_table): Add 'w' to flags for all formats
1337 (check_format_info): Set 'wide' for scanf format widths. Warn for
1338 a zero scanf width. Make the check for writing into a constant
1339 object at the first level of indirection; at later levels, warn if
1340 any type qualifiers are encountered.
1342 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
1344 * reload.c (reload_inner_reg_of_subreg): New function broken out of
1346 (push_reload): Use reload_inner_reg_of_subreg.
1347 (combine_reloads): Do not combine reloads if the input reload
1348 is a SUBREG in which the inner part will need reloading.
1350 * global.c (global_alloc): Avoid passing dumpfile argument to
1352 * toplev.c (rest_of_compilation): Likewise.
1353 * reload.h (reload): Remove dumpfile argument. Callers changed.
1354 (debug_reload, debug_reload_to_stream): Move prototypes here.
1355 * rtl.h (reload): Remove dumpfile argument.
1356 * reload.c (debug_reload): Remove prototype.
1357 (debug_reload_to_stream): Likewise.
1358 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
1361 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1363 * diagnostic.c (context_as_prefix): Export.
1364 (need_error_newline): Remove.
1365 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
1366 (error_module_changed, record_last_error_module,
1367 error_function_changed, record_last_error_function): New functions.
1368 (initialize_diagnostics): Default intialize
1369 lang_diagnostic_starter, lang_diagnostic_finalizer.
1370 (init_output_buffer): Tweak.
1371 (file_name_as_prefix): New function.
1372 (announce_function, default_print_error_function,
1373 report_error_function, set_diagnostic_context): Tweak.
1375 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
1377 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
1378 condition expression.
1380 2000-08-20 Richard Henderson <rth@cygnus.com>
1382 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
1384 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
1386 * cppinit.c (cpp_init): Set global flag when called.
1387 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
1389 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
1391 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
1392 before `process_directive' so that newlines won't be missed
1394 (cpp_printf): Increment `print->lineno' when newline is emitted.
1396 * cppmain.c (cb_ident): Likewise.
1397 (cb_define): Likewise.
1398 (cb_undef): Likewise.
1399 (cb_include): Likewise.
1400 (cb_def_pragma): Likewise.
1401 (dump_macros_helper): Likewise.
1403 2000-08-20 Richard Henderson <rth@cygnus.com>
1405 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
1406 assigned before a loop.
1408 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
1409 (ashrsi3, lshrsi3): Likewise.
1411 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
1413 * c-lang.c: #include diagnostic.h
1414 (c_tree_printer): New function.
1415 (lang_init): Initialize lang_printer.
1417 * Makefile.in (c-lang.o): Depends on diagnostic.h
1419 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
1421 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
1423 * diagnostic.c (default_diagnostic_starter,
1424 default_diagnostic_finalizer): New functions.
1425 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
1426 (pedwarn, pedwarn_with_file_and_line, error,
1427 error_with_file_and_line, fatal, warning,
1428 warning_with_file_and_line): Adjust call to report_diagnostic.
1429 (report_diagnostic): Rework.
1430 (set_diagnostic_context): New function.
1432 * diagnostic.h (struct diagnostic_context): New data structure.
1433 (diagnostic_message, diagnostic_argument_list,
1434 diagnostic_file_location, diagnostic_line_location,
1435 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
1436 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
1437 (set_diagnostic_context): Declare.
1438 (report_diagnostic): Change prototype.
1440 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
1442 * fix-header.c (main): Initialize cpplib.
1444 2000-08-19 Michael Meissner <meissner@redhat.com>
1446 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
1447 instructions in it before checking for indirect jumps.
1449 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
1450 in a indirect jump as a potential for conditional execution.
1452 * d30v.h (d30v_init_expanders): Don't declare here.
1453 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
1456 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
1458 * cpp.texi: Add @section for assertions.
1460 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
1462 * loop.c (scan_loop): Use CONST_CALL_P instead of
1463 checking for REG_LIBCALL / REG_RETVAL.
1465 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
1467 * reload1.c (reload_as_needed): Accept dumpfile argument,
1468 pass it to emit_reload_insns.
1469 (emit_reload_insns): Add new dumpfile argument. If non-null
1470 then dump the reloads for each insn into the dumpfile.
1471 (reload): Pass dumpfile to reload_as_needed.
1473 * invoke.texi: Clean up linux-gnu vs linux comments.
1475 2000-08-19 Richard Henderson <rth@cygnus.com>
1477 * config/ia64/ia64.c (reg_or_5bit_operand): New.
1478 (ia64_depz_field_mask): New.
1479 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
1480 (PREDICATE_CODES): Update.
1481 * config/ia64/ia64.md: Update commentary.
1482 (depz_internal): New.
1483 (ashlsi3): Implement directly.
1484 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
1485 (ashldi3): Use shladd.
1486 * config/ia64/ia64-protos.h: Update.
1488 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
1490 * toplev.c (independent_decode_option): Always process -g.
1491 Remove third argument, now unused. Adjust caller to match.
1493 2000-08-18 Richard Henderson <rth@cygnus.com>
1495 * combine.c (make_compound_operation): Break after creating
1498 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
1500 * cpplib.c (cpp_register_pragma_space): Just return if the
1501 namespace is already registered.
1503 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
1505 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
1506 constant amount. Do not generate ROTL instruction.
1508 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
1510 * config/sh/elf.h: Do not include sh/sh.h.
1511 * config/sh/rtems.h: Likewise.
1512 * config/sh/rtemself.h: Do not include sh/elf.h.
1513 * configure.in: Get them included with `tm_file's.
1514 * configure: Rebuilt.
1516 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
1517 * config/sh/sh.c (fpscr_set_from_mem): Use them.
1519 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1521 * stor-layout.c (compute_record_type): Don't use mode of single
1522 field as mode of record if not integer mode of same type.
1524 * regmove.c (perhaps_ends_bb_p): New function.
1525 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
1526 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
1527 (fixup_match_1): Likewise.
1528 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
1529 avoid signed/unsigned warnings.
1531 * function.c (fixup_var_refs_1, case MEM): Update CODE after
1534 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
1536 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
1537 (_cpp_trigraph_map): Declaration moved from cpplex.c
1539 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
1540 instead of 256. Use consistent test for designated initializers.
1541 (cpp_init): Initialize trigraph_map.
1542 (initialize_standard_includes, parse_option): Use memcmp
1545 * cpplex.c (init_trigraph_map): Remove.
1546 (trigraph_ok, trigraph_replace, lex_line): Refer to
1549 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
1550 (do_unassert): Remove unused "next" local.
1552 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
1554 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
1556 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
1559 2000-08-17 Richard Henderson <rth@cygnus.com>
1561 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
1562 the first insn in a sequence.
1564 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
1566 * alias.c (true_dependence, write_dependence_p): A read
1567 involving a label_ref or the constant pool doesn't create
1570 * rtl.h (unchanging): Improve documentation.
1572 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
1574 * cse.c (insert_regs): Remove unused `regno'.
1576 2000-08-17 Neil Booth <NeilB@earthling.net>
1578 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
1579 remove_dup_dirs. If qtail == brack, remove brack not
1581 (remove_dup_dir, remove_dup_dirs): New functions.
1583 2000-08-17 Neil Booth <NeilB@earthling.net>
1585 * cppinit.c (cpp_cleanup): Free include dir chains.
1586 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
1587 (do_unassert): Free the assert with _cpp_free_definition.
1588 * cppmacro.c (_cpp_free_definition): Free memory allocated for
1589 assertions. Make the node a T_VOID node.
1591 2000-08-17 Neil Booth <NeilB@earthling.net>
1593 * cppinit.c (path_include, append_include_chain):
1594 Remove 2nd parameter (struct cpp_pending *).
1595 (path_include, initialize_standard_includes, cpp_handle_option):
1596 Update callers appropriately.
1597 (cpp_handle_option): Use pend.
1599 2000-08-17 Neil Booth <NeilB@earthling.net>
1601 * cppinit.c (sort_options): Remove, put functionality in
1604 (initialize_builtins): Free memory.
1605 (cpp_start_read): Move init_IStable to cpp_init.
1607 * cpplib.h (cpp_init): New prototype.
1608 * cppmain.c (main): Call cpp_init.
1610 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
1612 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
1613 (rtx_unstable_p, rtx_varies_p): Process vectors.
1615 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
1617 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
1618 references to GLOBAL symbols. Use LOCAL where appropriate.
1620 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1622 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
1623 use t-aix41 when host == target.
1625 2000-08-16 Richard Henderson <rth@cygnus.com>
1627 * reload.c (push_secondary_reload): Revert last change.
1628 If we use a reload_in/out pattern, make the when the same
1629 as the primary reload.
1630 (find_reloads): Likewise.
1632 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
1634 * configure.in (libstdcxx-v3): Fix test.
1635 * configure: Regenerate.
1637 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1639 * calls.c (calls_function_1, expand_call): Only test
1640 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
1641 * function.c (thread_prologue_and_epilogue_insns): Likewise.
1643 2000-08-16 Richard Henderson <rth@cygnus.com>
1645 * combine.c (simplify_shift_const): Revert previous two
1646 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
1647 before the main loop.
1649 2000-08-15 Richard Henderson <rth@cygnus.com>
1651 * combine.c (simplify_shift_const): Bound shift count when
1654 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1656 * calls.c (ECF_SP_DEPRESSED): New macro.
1657 (calls_function_1): Treat calling sp-depressed function as alloca.
1658 (emit_call_1): Don't adjust SP if calling sp-depressed function.
1659 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
1660 If sp-depressed, ensure block saves and restores SP.
1661 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
1663 * function.c (keep_stack_depressed): New function.
1664 (thread_prologue_and_epilogue_insns): Call it.
1665 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
1666 to print DECL_OFFSET_ALIGN.
1667 Print no-force-blk and transparent-union flags properly.
1668 * stmt.c (expand_goto_internal): Don't restore stack if last block
1669 and function returns with sp depressed.
1670 (fixup_gotos): Likewise.
1671 (save_stack_pointer): New function, from code in expand_decl.
1672 (expand_decl): Call new function.
1673 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
1674 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
1675 (save_stack_pointer): New declaration.
1677 * diagnostic.c (fatal_function): New variable.
1678 (set_fatal_function): New function.
1680 * diagnostic.h (set_fatal_function): New declaration.
1682 2000-08-15 William Cohen <wcohen@redhat.com>
1684 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
1685 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
1686 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
1688 2000-08-15 Richard Henderson <rth@cygnus.com>
1690 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
1692 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1694 * arm.c (arm_function_ok_for_sibcall): New function.
1695 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
1696 * arm.md (call expanders): Don't check here for calls that can't
1699 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1701 * arm.md (splits generating cond_exec): Disable.
1703 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1705 * arm/linux-elf.h (text_section): Delete declaration.
1707 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1709 ARM support for unordered FP operations.
1710 * arm-protos.h (arm_comparison_operator): Declare.
1711 * arm.c (arm_comparison_operator): New function.
1712 (arm_select_cc_mode): Add unordered comparison codes.
1713 (get_arm_condition_code): Likewise.
1714 (arm_final_prescan_insn): Can't handle unordered jumps that can't
1715 be done in one insn.
1716 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
1717 * arm.md (all uses of comparison_operator): Replace with
1718 arm_comparison_operator.
1719 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
1721 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
1724 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1726 * gthr-posix.h: Conditionally include <sched.h>; include
1727 <config.h> from libobjc/.
1729 2000-08-14 Richard Henderson <rth@cygnus.com>
1731 * config/i386/i386.c (legitimize_pic_address): Use Pmode
1734 2000-08-14 Richard Henderson <rth@cygnus.com>
1736 * configure.in (ia64-*): Set float_format for i386 long double.
1738 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
1739 as we would for i386 XFmode.
1740 (PUT_REAL): Likewise.
1741 (endian, ereal_atof, real_value_truncate): Likewise.
1742 (ereal_isneg, toe64, etens, make_nan): Likewise.
1743 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
1745 * config/ia64/ia64-protos.h: Update.
1746 * config/ia64/ia64.c (general_tfmode_operand): New.
1747 (destination_tfmode_operand): New.
1748 (tfreg_or_fp01_operand): New.
1749 (ia64_split_timode): New.
1750 (spill_tfmode_operand): New.
1751 (ia64_expand_prologue): Use TFmode not XFmode.
1752 (ia64_expand_epilogue): Likewise.
1753 (ia64_function_arg): Likewise.
1754 (ia64_function_arg_advance): Likewise.
1755 (ia64_return_in_memory): Likewise.
1756 (ia64_function_value): Likewise.
1757 (ia64_print_operand): Likewise.
1758 (ia64_register_move_cost): Set GR<->FR to 5.
1759 (ia64_secondary_reload_class): Get GR for TImode memory op.
1760 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
1761 (ROUND_TYPE_ALIGN): Remove.
1762 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
1763 (INTEL_EXTENDED_IEEE_FORMAT): Define.
1764 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
1765 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
1766 (MODES_TIEABLE_P): Use TFmode, not XFmode.
1767 (CLASS_MAX_NREGS): Likewise.
1768 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
1769 (PREDICATE_CODES): Update.
1770 * config/ia64/ia64.md (movti): New.
1771 (movti_internal): Use a clobber for memory alternatives.
1772 (reload_inti, reload_outti): New.
1773 (movsfcc_astep): Predicate properly.
1774 (movdfcc_astep): Likewise.
1777 (extendsftf2, extenddftf2): New.
1778 (trunctfsf2, trunctfdf2): New.
1779 (floatditf2, fix_trunctfdi2): New.
1780 (floatunsditf2, fixuns_trunctfdi2): New.
1781 (addtf3, subtf3, multf3, abstf2): New.
1782 (negtf2, nabstf2, mintf3, maxtf3): New.
1783 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
1785 (fr_spill): Use TFmode, not XFmode.
1786 (fr_restore): Likewise.
1787 * config/ia64/lib1funcs.asm (__divtf3): New.
1788 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
1790 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1792 * cse.c (fold_rtx): Avoid empty body in an if-statement.
1794 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
1795 `U' integer constant suffix.
1797 * dwarf2out.c (add_subscript_info): Avoid empty body in an
1800 * sparc/sol2.h (__enable_execute_stack): Prototype.
1802 2000-08-14 David Edelsohn <edelsohn@gnu.org>
1804 * collect2.c: Remove use of AIX import file.
1806 * longlong.h: Test ARCH_PWR not ARCH_POWER.
1808 * rs6000.c (print_operand, case 'E'): Add else.
1810 2000-08-14 Richard Henderson <rth@cygnus.com>
1812 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
1813 (movdi_symbolic): New.
1815 2000-08-14 Jim Wilson <wilson@cygnus.com>
1817 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
1818 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
1819 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
1822 2000-08-14 Richard Henderson <rth@cygnus.com>
1824 * expr.c (emit_group_load): Don't force constants into registers.
1825 Special case source already in the correct mode.
1827 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
1829 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
1830 * fixinc/inclhack.def: Likewise.
1831 * fixinc/mkfixinc.sh: Likewise.
1832 * configure: Regenerate.
1833 * fixinc/fixincl.x: Regenerate.
1834 * install.texi: Document equivalence of linux and linux-gnu.
1836 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1838 * cse.c (insert_regs): Also in REG case: When finding an invalid
1839 value, and we make a new quantity, make sure that it won't be
1840 mistaken by for a valid one by mention_regs.
1842 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
1844 * h8300.md: Remove obsolete peepholes.
1846 2000-08-13 Kazu Hirata <kazu@hxi.com>
1848 * invoke.texi (H8/300 Options): Fix typos.
1849 * config/h8300.c: Fix formatting.
1850 * config/h8300.h: Fix comment typos.
1851 (OVERRIDE_OPTIONS): Fix formatting.
1853 * function.c: Fix formatting.
1855 * cse.c: Fix formatting.
1857 2000-08-13 Geoff Keating <geoffk@cygnus.com>
1859 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
1860 (attempt_auto_inc): Suppress parentheses warning.
1861 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
1862 * loop.c (load_mems): Remove `u' suffix in two places.
1863 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
1865 * config/rs6000/rs6000.h: Likewise.
1866 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
1867 __eabi dummy routine.
1868 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
1871 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
1872 not put stuff in .sdata unnecessarily.
1873 (rs6000_unique_section): New function.
1874 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
1875 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
1877 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
1878 arrays in C99. Don't try to look at DECL_REGISTER of a
1879 COMPONENT_REF. Don't complain twice about the same error.
1881 * fixinc/inclhack.def (aix_pthread): New fix.
1882 (aix_sysmachine): New fix.
1883 * fixinc/fixincl.x: Regenerate.
1885 * expr.c (expand_expr): Call convert_modes when turning a large
1886 multiply into a small one.
1888 2000-08-12 Geoff Keating <geoffk@cygnus.com>
1890 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
1891 the tree structure an exponent rather than an explicit alignment
1892 so it doesn't overflow.
1893 (SET_DECL_OFFSET_ALIGN): New macro.
1894 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
1895 rather than DECL_OFFSET_ALIGN.
1896 (place_field): Likewise.
1897 * expmed.c (store_bit_field): Abort on align==0 to avoid
1898 antisocial machine behaviour.
1900 2000-08-12 Richard Henderson <rth@cygnus.com>
1902 * sibcall.c (uses_addressof): Accept both addressof and
1903 current_function_internal_arg_pointer inside a mem.
1904 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
1905 if current_function_uses_addressof.
1906 * stmt.c (expand_return): Kill tail recursion and HAVE_return
1909 2000-08-11 Richard Henderson <rth@cygnus.com>
1911 * config/ia64/ia64.md (addsi3): Remove expander.
1912 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
1913 (*addsi3_shladd): New.
1915 2000-08-11 Richard Henderson <rth@cygnus.com>
1917 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
1918 (do_restore): Likewise.
1919 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
1920 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
1921 (rtx_needs_barrier): Track actual bit manipulation for
1922 ar.unat moves, gr_spill, and gr_restore.
1923 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
1924 (process_set): Don't handle varargs spills.
1925 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
1926 .mem.offset here instead of in process_set.
1927 (gr_restore): Likewise.
1929 2000-08-11 Richard Henderson <rth@cygnus.com>
1931 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
1933 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
1935 * gcc.texi (The Configuration File): Document
1936 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
1937 UPDATE_PATH_HOST_CANONICALIZATION.
1939 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1941 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
1942 unprototyped function pointer casts on integer constants.
1944 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
1946 * fixproto: Recognize DOS paths with drive letters as absolute paths.
1948 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
1950 * extend.texi (Volatiles): Fix typos.
1952 2000-08-11 Kazu Hirata <kazu@hxi.com>
1954 * flow.c: Fix formatting.
1956 2000-08-11 Richard Henderson <rth@cygnus.com>
1958 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
1959 pattern, always allocate a tertiary scratch register.
1961 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
1962 (reload_inhi): Likewise.
1964 2000-08-11 Richard Henderson <rth@cygnus.com>
1966 * function.c (put_reg_into_stack): Allow type to be NULL.
1967 (schedule_fixup_var_refs): Likewise.
1968 (gen_mem_addressof): Allow decl to be NULL.
1969 (put_addressof_into_stack): Likewise.
1971 * flow.c (merge_blocks_nomove): Be more careful about
1972 locating the beginning of block A.
1974 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
1976 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1981 * config.in: Reverted the check for <sched.h>.
1983 2000-08-10 Chris Demetriou <cgd@sibyte.com>
1985 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
1986 macros define the name of CTOR and DTOR sections.
1987 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
1988 DTOR_LIST_END): Change to use attributes to specify
1990 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
1991 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
1992 DTOR_LIST_END): Same as in mips/elf.h.
1994 2000-08-10 Drew Moseley <dmoseley@redhat.com>
1996 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
1997 disabling just crt0.o.
1999 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
2001 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
2002 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
2003 (EXTRA_SPECS): Add them.
2004 * arm/lib1funcs.asm: Support builds for interworking.
2005 Use macros to eliminate duplicated pieces of code.
2007 2000-08-10 Kazu Hirata <kazu@hxi.com>
2009 * h8300.c (expand_a_rotate): New.
2010 (emit_a_rotate): Likewise.
2011 (h8300_adjust_insn_length): Add support for the rotate insns.
2012 * h8300.md (rotlqi3): New.
2013 (*rotlqi3_1): Likewise.
2014 (rotlhi3): Likewise.
2015 (*rotlhi3_1): Likewise.
2016 (rotlhi3): Likewise.
2017 (*rotlhi3_1): Likewise.
2018 * h8300-proto.h: Add prototypes for expand_a_rotate and
2021 * h8300.c: Fix comment typos.
2022 (dosize): Declare the variable amount as unsigned.
2023 (get_shift_alg): Fix a comparison between signed and unsigned.
2024 (emit_a_shift): Likewise.
2025 (h8300_adjust_insn_length): Simplify the code.
2027 * c-decl.c: Fix formatting.
2029 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2031 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
2032 warning about non-traditional numeric constant suffixes.
2034 * cppexp.c (parse_number): Likewise.
2036 * invoke.texi: (-Wtraditional): Document new behavior.
2038 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2040 * gthr-posix.h: Include auto-host.h. Conditionally include
2042 * configure.in: Check for the <sched.h> header file.
2043 * config.in: Added define for HAVE_SCHED_H.
2045 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2047 * c-typeck.c (process_init_element): For -Wtraditional, warn about
2048 initialization of unions.
2050 * invoke.texi (-Wtraditional): Document new behavior.
2052 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
2054 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
2055 instead of extra_c_flags.
2056 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
2057 * configure: Regenerate.
2058 * config.in: Regenerate.
2060 * cpperror.c (cpp_type2name): New function.
2061 * cpplex.c (lex_line): If we issued an error for an invalid
2062 preprocessing directive, discard that logical line.
2063 * cpplib.c (do_line): Call a hook function if the current file
2064 is renamed by #line.
2065 (do_ident): Pass the contents of the string, not the entire
2066 token, to the callback function.
2067 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
2068 (cb.rename_file): New hook function.
2069 (cb.ident): Adjust prototype.
2070 (cpp_type2name): Prototype.
2071 * cppmacro.c (dump_macro_args): Correct precedence lossage.
2073 * cppmain.c (cb_ident): Update for changed interface.
2074 (cb_rename_file): New function.
2075 (main): Set rename callback.
2077 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
2079 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
2080 multi-word registers.
2082 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
2084 * c-common.c (combine_strings, check_format_info): Refer to ISO C
2085 or ISO C89 instead of ANSI C.
2086 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
2087 build_enumerator, do_case): Likewise.
2088 * c-lex.c (parse_float, yylex): Likewise.
2089 * c-parse.in: Likewise.
2090 * c-typeck.c (common_type, build_array_ref, build_binary_op,
2091 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
2092 build_c_cast, convert_for_assignment, set_init_index,
2093 set_init_label, c_expand_start_case): Likewise.
2094 * toplev.c (documented_lang_options, display_help): Likewise.
2096 2000-08-08 Kazu Hirata <kazu@hxi.com>
2098 * h8300.c: Fix formatting.
2099 * h8300.h: Likewise.
2100 * h8300.md: Likewise.
2101 (movsi_h8300hs): Fix formatting of the resulting assembly code.
2103 * reload1.c: Fix formatting.
2105 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
2107 * alpha/alpha.c (alpha_emit_xfloating_libcall):
2108 Use GEN_CALL_VALUE define.
2109 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
2110 * clipper/clipper.md (untyped_call): Likewise.
2111 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
2112 * fx80/fx80.md (untyped_call): Likewise.
2113 * mips/mips.md (untyped_call): Likewise.
2114 * ns32k/ns32k.md (untyped_call): Likewise.
2115 * pa/pa.md (untyped_call): Likewise.
2116 * romp/romp.md (untyped_call): Likewise.
2117 * sparc/sparc.md (untyped_call): Likewise.
2119 2000-08-08 Jason Eckhardt <jle@cygnus.com>
2121 * config/i860/i860.c (singlemove_string): Do not generate assembler
2122 pseudo instructions that must be expanded (that is, with signed
2123 constants larger than 16 bits).
2125 2000-08-08 Richard Henderson <rth@cygnus.com>
2127 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
2128 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
2129 (init_propagate_block_info): Don't kill memory stores at -O0.
2130 (mark_set_1, mark_used_regs): Likewise.
2132 2000-08-08 David Edelsohn <edelsohn@gnu.org>
2134 * rs6000.c (optimization_options): Decorate 'level' as
2136 (mask64_operand): Remove sign-extend thinko.
2137 (rldic_operand): New function.
2138 (load_multiple_operation): regno's are unsigned ints.
2139 (store_multiple_operation): Likewise.
2140 (lmw_operation): Likewise.
2141 (stmw_operation): Likewise.
2142 (includes_lshift_p): shift_mask is unsigned int.
2143 (includes_lshift64_p): New function.
2144 (addrs_ok_for_quad_peep): unsigned int reg1.
2145 (print_operand): Consistently add "else" after
2146 output_operand_lossage().
2147 (print_operand, case 'b'): Fold in case 'W'.
2148 (print_operand, case 'W'): Print rldic MB value.
2149 (output_epilogue): Update Objective-C language string.
2150 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
2151 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
2152 * rs6000.md (ashldi3): Add rldic instruction.
2153 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
2154 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
2157 2000-08-08 Richard Henderson <rth@cygnus.com>
2159 * config/ia64/ia64-protos.h: Remove duplicates. Update
2160 for massive code rearrangements.
2161 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
2162 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
2163 (ia64_local_regs, ia64_need_regstk): Remove.
2164 (ar_ccv_reg_operand): New.
2165 (ia64_gp_save_reg): New.
2166 (struct ia64_frame_info): Combine most of the size elements;
2167 add new gr save elements.
2168 (find_gr_spill): New.
2169 (next_scratch_gr_reg): New.
2170 (mark_reg_gr_used_mask): New.
2171 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
2172 to GR backing store regs when possible.
2173 (ia64_initial_elimination_offset): New.
2174 (ia64_rap_fp_offset): Remove.
2175 (save_restore_insns): Remove.
2176 (setup_spill_pointers): New.
2177 (finish_spill_pointers): New.
2178 (spill_restore_mem): New.
2179 (do_spill, do_restore): New.
2180 (ia64_expand_prologue): Rewrite to use them.
2181 (ia64_expand_epilogue): Likewise.
2182 (ia64_direct_return): Update for current_frame_info changes.
2183 (ia64_function_prologue): Simplify .prologue emission. Emit
2185 (ia64_setup_incoming_varargs): Don't ever emit rtl.
2186 (ia64_dbx_register_number): New.
2187 (ia64_initialize_trampoline): New.
2188 (ia64_secondary_reload_class): Request GR_REGS for integer
2189 arithmetic destined for FR_REGS.
2190 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
2191 (ia64_mark_machine_status): Mark ia64_gp_save.
2192 (rws_access_regno): Rename from rws_access_reg; don't treat
2193 predicates specially.
2194 (rws_access_reg): New. Update all callers.
2195 (rtx_needs_barrier): Remove dead unspecs.
2196 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
2197 (ia64_encode_section_info): Silence signed/unsigned warnings.
2198 (spill_offset, sp_offset, spill_offset_emitted): Remove.
2199 (tmp_reg, tmp_saved): Remove.
2200 (process_set): Rewrite to expect complicated bits via
2201 REG_FRAME_RELATED_EXPR.
2202 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
2203 in the use of ar.ccv; never set RTX_UNCHANGING_P.
2204 (ia64_expand_op_and_fetch): Likewise.
2205 (ia64_expand_compare_and_swap): Likewise.
2206 (ia64_expand_builtin): Likewise.
2207 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
2208 (FIRST_PSEUDO_REGISTER): Update.
2209 (AR_M_REGNO_P): Update.
2210 (FIXED_REGS): Don't mark three local registers as used.
2211 (EXTRA_CC_MODES): New.
2212 (SELECT_CC_MODE): New.
2213 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
2214 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
2215 (FRAME_GROWS_DOWNWARD): Unset.
2216 (STARTING_FRAME_OFFSET): Zero.
2217 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
2218 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
2219 (HARD_FRAME_POINTER_REGNUM): New.
2220 (CAN_DEBUG_WITHOUT_FP): Define.
2221 (TRAMPOLINE_TEMPLATE): Remove.
2222 (TRAMPOLINE_SIZE): Lower to 32.
2223 (TRAMPOLINE_ALIGNMENT): Lower to 64.
2224 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
2225 (PREDICATE_CODES): Update.
2226 (struct machine_function): Add ia64_gp_save.
2227 * config/ia64/ia64.md: Purge unused unspecs.
2228 (movsi patterns): Allow moves to/from AR_M_REGS.
2229 (movdi patterns): Allow moves to/from p0.
2230 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
2231 (gr_spill, gr_restore): Indicate ar.unat read/written.
2232 (nonlocal_goto): Don't pass old frame_pointer.
2233 (nonlocal_goto_receiver): Remove.
2234 (exception_receiver): New.
2235 (builtin_setjmp_setup): New.
2236 (builtin_setjmp_receiver): New.
2237 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
2238 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
2239 (__ia64_restore_stack_nonlocal): Likewise.
2240 (__ia64_trampoline): New.
2241 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
2243 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
2245 2000-08-08 Richard Henderson <rth@cygnus.com>
2247 * frame.h (ia64_frame_state): Add my_psp.
2248 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
2249 (__throw): Pass it in. Don't clobber r7.
2250 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
2251 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
2252 and nothing to do with sp.
2253 (normalize_reg_loc): Use frame->my_psp.
2254 (frame_translate): Handle frame-pointer-less functions. Set
2255 spill_base correctly, in absence of being told.
2256 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
2257 (__ia64_backtrace_helper): New sp argument. Use
2258 builtin_return_address instead of label addresses.
2259 (print_record) [mem_stack_v]: No size member.
2261 2000-08-08 Richard Henderson <rth@cygnus.com>
2263 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
2265 2000-08-08 Richard Henderson <rth@cygnus.com>
2267 * tm.texi (LOCAL_REGNO): Document.
2268 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
2269 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
2270 * reload1.c (reload): Likewise when considering nonlocal labels.
2272 * config/ia64/ia64.h (LOCAL_REGNO): New.
2273 * config/sparc/sparc.h (LOCAL_REGNO): New.
2275 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
2277 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
2279 2000-08-07 Nick Clifton <nickc@redhat.com>
2281 * config/mips/mips.c: Fix compile time warning messages.
2282 * config/mips/mips-protos.h: Add prototype for equality_op.
2284 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
2286 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
2288 * mn10300.md: Use nonimmediate_operand instead of general_operand
2291 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
2293 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
2295 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
2296 * sh.c (expand_block_move): Break long lines.
2297 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
2298 * sh.md (mulsi3): Likewise.
2299 (movdi): Adjust spacing.
2301 2000-08-07 Richard Henderson <rth@cygnus.com>
2303 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
2304 * expr.c (emit_group_store): Don't set it.
2306 2000-08-07 Kazu Hirata <kazu@hxi.com>
2308 * invoke.texi (Options for Debugging Your Program or GCC): Remove
2309 duplicate entries for 'w' and 'z'.
2311 * flow.c: Fix a comment typo.
2313 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2315 * c-parse.in: Changed the language string for Objective-C to "GNU
2318 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2320 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
2321 to improve the Posix thread support for Objective-C.
2323 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
2325 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
2326 CTI_UNSIGNED_PTRDIFF_TYPE.
2327 (signed_size_type_node): Define.
2328 (unsigned_ptrdiff_type_node): Define.
2329 * c-decl.c (init_decl_processing): Create the
2330 signed_size_type_node and unsigned_ptrdiff_type_node types.
2331 * c-common.c (T_SC): Define.
2334 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
2335 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
2337 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
2338 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
2339 flags for %c, %s and %[.
2340 (check_format_info): Only allow leniency for signedness of targets
2341 of character pointers (when pedantic) for formats flagged with
2342 "c", so for strings but not for %hh formats. When pedantic, don't
2343 allow character pointers to substitute for void pointers if a
2344 second level of indirection is present.
2346 2000-08-06 Kazu Hirata <kazu@hxi.com>
2348 * invoke.texi (Options for Debugging Your Program or GCC): Update
2349 the names of dump files.
2351 * h8300.c (dosize): Rearrange code for conciseness.
2352 (split_adds_subs): Likewise.
2354 * loop.c: Fix formatting.
2356 * dwarf2out.c: Fix formatting.
2358 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
2360 * expr.c: Fix formatting.
2362 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2364 * rs6000.c (rs6000_maybe_dead): Prototype.
2366 2000-08-06 Richard Henderson <rth@cygnus.com>
2368 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
2369 HAVE_nonlocal_goto as well.
2370 * config/i960/i960.md (nonlocal_goto): Don't do it here.
2371 * config/pj/pj.md (nonlocal_goto): Likewise.
2373 2000-08-07 Michael Hayes <mhayes@cygnus.com>
2375 * loop.c (try_swap_copy_prop): New function.
2376 (load_mems): Rename copies to load_copies and add new regset
2377 store_copies. Check for sets of shadow registers and mark
2378 in store_copies. Call try_swap_copy_prop for registers
2379 marked in store_copies.
2381 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2383 * objc/objc-act.c: New command line option -fconstant-string-class
2384 to allow specifying a user defined constant string class,
2385 different from NXConstantString.
2387 * toplev.c: Moved the Objective-C specific options to
2388 objc/lang-options.h.
2390 * objc/lang-options.h: Moved the Objective-C specific options from
2391 toplev.c. Added -fconstant-string-class.
2393 2000-08-05 Chris Demetriou <cgd@sibyte.com>
2395 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2396 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
2397 __CTOR_LIST__ from func_ptr array to just func_ptr, to
2398 avoid extra alignment imposed on arrays.
2399 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2400 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
2402 * mips.h: Clean up comments and spacing near MASKs.
2403 (TARGET_UNIX_ASM): Delete.
2404 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
2405 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
2408 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
2410 * c-common.c (print_char_table): Add entries for the X/Open '
2411 format flag (print decimals with locale's thousands grouping
2412 character). Make %C expect wint_t.
2413 (check_format_info): If pedantic, warn when the %n$ operand
2414 number form is used. Allow for the ' flag; warn about it if
2417 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
2419 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
2420 type is a float mode, cfun->decl's return type is not, and
2421 TARGET_FLOAT_RETURNS_IN_80387.
2423 2000-08-04 Andreas Schwab <schwab@suse.de>
2425 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
2426 token list, which are always `#' and `pragma'.
2428 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
2430 * tree.c (tree_expr_nonnegative_p): Move to...
2431 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
2432 (rtl_expr_nonnegative_p): New.
2433 * tree.h: Add prototype for rtl_expr_nonnegative_p.
2435 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
2436 CONST_DOUBLE_CHAIN: Move to...
2437 * rtl.h: ...here. Use XCINT/XCEXP.
2439 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
2440 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
2441 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
2444 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
2446 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2448 * config/c4x/c4x.md (return_indirect_internal): New.
2449 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
2451 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2453 * c-common.c (time_char_table): Mark up formats added in C99 and
2454 make other corrections. %D and %g were added in C99. %Og is an
2455 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
2456 C99. %e was added in C99. %Oj is an extension. %G and %z are in
2457 C99 rather than GNU extensions, but %OG and %Oz are extensions.
2458 %h was added in C99. %C was added in C99. %OY and %OC are
2459 extensions. Add the C99 format %F.
2460 (check_format_info): If pedantic and not in C99 mode, warn for C99
2463 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2465 * function.c (schedule_fixup_var_refs): New function, broken out
2466 of put_reg_into_stack.
2467 (put_reg_into_stack): Use it.
2468 (put_var_into_stack): In CONCAT case, fixup up references for
2469 components only after fixing up references to the whole concat.
2471 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
2473 * alias.c (mark_constant_function): Use INSN_P.
2474 (init_alias_analysis): Likewise.
2475 * combine.c (combine_instructions): Use INSN_P.
2476 (can_combine_p): Likewise.
2477 (try_combine): Likewise.
2478 (distribute_notes): Likewise.
2479 (distribute_links): Likewise.
2480 * cse.c (cse_around_loop): Use INSN_P.
2481 (invalidate_skipped_block): Likewise.
2482 (cse_set_around_loop): Likewise.
2483 (cse_end_of_basic_block): Likewise.
2484 (delete_trivially_dead_insns): Likewise.
2485 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
2486 (unshare_all_rtl_1): Likewise.
2487 (next_cc0_user): Likewise.
2488 (try_split make_insn_raw): Likewise.
2489 (remove_unnecessary_notes): Likewise.
2490 * final.c (shorten_branches): Use INSN_P.
2491 (leaf_renumber_regs): Likewise.
2492 (leaf_renumber_regs_insn): Likewise.
2493 * flow.c (find_label_refs): Use INSN_P.
2494 (verify_wide_reg): Likewise.
2495 (notice_stack_pointer_modification): Likewise.
2496 (count_or_remove_death_notes): Likewise.
2497 (verify_flow_info): Likewise.
2498 (clear_log_links): Likewise.
2499 * function.c (fixup_var_refs_insns): Use INSN_P.
2500 (compute_insns_for_mem): Likewise.
2501 * gcse.c (alloc_gcse_mem): Use INSN_P.
2502 (compute_sets): Likewise.
2503 (compute_hash_table): Likewise.
2504 (classic_gcse): Likewise.
2506 (insert_insn_end_bb): Likewise.
2507 (delete_null_pointer_checks_1): Likewise.
2508 * global.c (expand_preferences): Use INSN_P.
2509 (build_insn_chain): Likewise.
2510 * graph.c (node_data): Use INSN_P.
2511 * haifa-sched.c (priority): Use INSN_P.
2512 (rm_line_notes): Likewise.
2513 (rm_other_notes): Likewise.
2514 (find_insn_reg_weight): Likewise.
2515 (init_target_units): Likewise.
2516 (schedule_block): Likewise.
2517 (compute_block_forward_dependences): Likewise.
2518 (debug_dependencies): Likewise.
2519 (set_priorities): Likewise.
2520 * integrate.c (function_cannot_inline_p): Use INSN_P.
2521 (save_parm_insns): Likewise.
2522 (copy_insn_list): Likewise.
2523 * jump.c (mark_all_labels): Use INSN_P.
2524 (never_reached_warning): Likewise.
2525 * lcm.c (optimize_mode_switching): Use INSN_P.
2526 * local-alloc.c (validate_equiv_mem): Use INSN_P.
2527 (memref_used_between_p): Likewise.
2528 (update_equiv_regs): Likewise.
2529 (block_alloc): Likewise.
2530 (no_conflict_p): Likewise.
2531 * loop.c (scan_loop): Use INSN_P.
2532 (find_and_verify_loops): Likewise.
2533 (count_loop_regs_set): Likewise.
2534 (loop_reg_used_before_p): Likewise.
2535 (strength_reduce): Likewise.
2536 (recombine_givs): Likewise.
2537 (check_dbra_loop): Likewise.
2538 (load_mems): Likewise.
2539 (try_copy_prop): Likewise.
2540 * print-rtl.c (print_rtx): Use INSN_P.
2541 * recog.c (find_single_use): Use INSN_P.
2542 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
2543 (next_flags_user): Likewise.
2544 (swap_rtx_condition): Likewise.
2545 * regmove.c (mark_flags_life_zones): Use INSN_P.
2546 (optimize_reg_copy_1): Likewise.
2547 (optimize_reg_copy_2): Likewise.
2548 (optimize_reg_copy_3): Likewise.
2549 (reg_is_remote_constant_p): Likewise.
2550 (fixup_match_2): Likewise.
2551 (regmove_optimize): Likewise.
2552 (fixup_match_1): Likewise.
2553 * regrename.c (build_def_use): Use INSN_P.
2554 (replace_reg_in_block): Likewise.
2555 (consider_use): Likewise.
2556 * reload.c (find_equiv_reg): Use INSN_P.
2557 * reload1.c (reload): Use INSN_P.
2558 (maybe_fix_stack_asms): Likewise.
2559 (calculate_needs_all_insns): Likewise.
2560 (reload_as_needed): Likewise.
2561 (emit_output_reload_insns): Likewise.
2562 (delete_address_reloads_1): Likewise.
2563 (reload_cse_regs_1): Likewise.
2564 (reload_combine): Likewise.
2565 (reload_cse_move2add): Likewise.
2566 * reorg.c (redundant_insn): Use INSN_P.
2567 (dbr_schedule): Likewise.
2568 * resource.c (find_dead_or_set_registers): Use INSN_P.
2569 (mark_target_live_regs): Likewise.
2570 * rtlanal.c (reg_used_between_p): Use INSN_P.
2571 (reg_referenced_between_p): Likewise.
2572 (reg_set_between_p): Likewise.
2573 (reg_set_p): Likewise.
2574 (single_set): Likewise.
2575 (multiple_sets): Likewise.
2576 (find_last_value): Likewise.
2577 (reg_set_last): Likewise.
2578 (find_reg_note): Likewise.
2579 (find_regno_note): Likewise.
2580 * sibcall.c (sequence_uses_addressof): Use INSN_P.
2581 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
2582 * ssa.c (find_evaluations): Use INSN_P.
2583 (rename_block): Likewise.
2584 (rename_equivalent_regs): Likewise.
2585 * unroll.c (loop_find_equiv_value): Use INSN_P.
2586 (set_dominates_use): Likewise.
2587 * varasm.c (mark_constant_pool): Use INSN_P.
2588 (mark_constants): Likewise.
2589 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
2590 (alphaev4_next_group): Likewise.
2591 (alphaev5_next_group): Likewise.
2592 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
2593 (c4x_rptb_rpts_p): Likewise.
2594 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
2595 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
2596 (rs6000_adjust_priority): Likewise.
2597 * config/sh/sh.c (sh_loop_align): Use INSN_P.
2598 (machine_dependent_reorg): Likewise.
2599 (split_branches): Likewise.
2600 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
2602 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
2604 * combine.c (recog_for_combine): Remove the old notes
2605 prior to attempting to recognize the new pattern.
2606 (distribute_notes): Ignore REG_NONNEG notes.
2608 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
2610 * varasm.c (output_constructor): Add .align 0 for packed vars.
2612 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2614 * configure.in: Use default thread_file even when enable_threads is
2615 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
2616 * configure: Rebuilt.
2618 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
2620 2000-08-04 Donn Terry (donnte@microsoft.com)
2622 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
2624 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
2626 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
2627 Delete code that conditionally modifies 'version'.
2628 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
2629 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
2630 * gcc.c (main): Use it.
2631 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
2632 * prefix.c (update_path): Use it.
2633 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
2634 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
2635 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
2637 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
2638 (SUBTARGET_SWITCHES): Adjust.
2639 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
2641 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
2643 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2645 * c-common.h (flag_isoc94): Declare.
2646 * c-decl.c (flag_isoc94): Define.
2647 (c_decode_option): Set flag_isoc94 as appropriate.
2648 * c-common.c (T_PD, T_IM, T_UIM): Define.
2649 (format_char_info): Add tlen and jlen.
2650 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
2652 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
2654 (time_char_table): Add NULL entries for %t and %j.
2655 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
2656 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
2657 Warn for printf %lf if pedantic and not C99. Don't warn for empty
2658 precision. Allow precision argument to be unsigned int. If
2659 pedantic, warn for %p passed an argument not a pointer to possibly
2660 qualified void or a possibly qualified character type, and for
2661 pointer targets of the wrong sign, except for character pointers.
2663 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2665 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
2666 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
2667 (wint_type_node): Define.
2668 * c-decl.c (WINT_TYPE): Define.
2669 (init_decl_processing): Create the wint_type_node type.
2670 * c-common.c (T_WI): Define.
2671 (print_char_table): Use T_WI for %lc format.
2673 2000-08-04 Bruce Korb <bkorb@gnu.org>
2675 * fixinc/: Verified that the MSDOS patch does not break
2676 the UNIX functionality and applied the next three patches
2679 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
2681 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
2682 output file with the temporary one by appending ".X" to generate
2683 the temporary fuile's name. If the output file already has an
2684 extension, replace it with ".X".
2686 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
2687 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
2688 reallocate the command buffer while copying the command-line
2689 argument. Redirect the output directly to the temporary file,
2690 instead of going through another temporary file.
2691 (process): Close the temporary file before unlinking it.
2692 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
2693 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
2694 (run_compiles): Pass p_fixd argument to machine_matches, as it
2697 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
2698 environment, assume there are no symlinks in the include
2699 directory. When cleaning up the DONE files, look for them
2700 case-insensitively. Don't try to remove symlinks if they aren't
2703 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
2704 all callers changed. Declare pz "const char *", to avoid compiler
2707 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
2708 Change prototype of make_raw_shell_str.
2710 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
2712 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
2713 (initialize) [__MSDOS__]: Use tempnam.
2714 (initialize): Don't use SIGPIPE if it is not defined.
2716 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
2719 2000-07-25 Bruce Korb <bkorb@gnu.org>
2721 * fixinc/fix*.[ch]: substantially reworked to make it possible
2722 to run this program without using fork(2) or pipe(2) (i.e. in
2725 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2727 * cppdefault.h (WINT_TYPE): Define.
2728 * cppinit.c (builtin_array): Define __WINT_TYPE__.
2729 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
2730 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
2732 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
2734 * (mips_legitimate_address_p): Don't allow register+offset
2735 if the offset is large and negative, and we are compiling
2736 for 64 bit registers.
2738 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2740 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
2741 insn_code_number + 1.
2743 2000-08-04 Kazu Hirata <kazu@hxi.com>
2745 * h8300.c (function_prologue): Rearrange code for conciseness.
2746 (function_epilogue): Likewise.
2747 * h8300.h (OK_FOR_U): Fix formatting.
2749 * cse.c: Fix a comment typo. Fix formatting.
2751 2000-08-03 Richard Henderson <rth@cygnus.com>
2753 * config/i386/i386.md (return_indirect_internal): New.
2754 * config/i386/i386.c (ix86_expand_epilogue): Use it.
2756 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
2758 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
2760 (lex_line): Glue @ onto the beginning of identifiers and
2761 string constants, in Objective-C mode.
2762 (output_token, spell_token): Handle CPP_OSTRING.
2763 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
2764 beginning of a NAME or a STRING, in objc mode.
2766 * cpplib.c (get_define_node): Do not permit identifiers that
2767 begin with @ to be #defined.
2768 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
2769 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
2771 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
2772 * c-tree.h (build_objc_string): Delete prototype.
2773 * objc/objc-tree.def: Delete OBJC_STRING_CST.
2774 * c-lex.c (yylex): Use build_string for all three kinds of strings.
2776 * c-parse.in, objc/objc-act.c: Update commentary.
2778 2000-08-03 Mark Mitchell <mark@codesourcery.com>
2780 * extend.texi: Fix typo in last change.
2782 * extend.texi: Add commentary on statement-expressions and their
2783 interactions with C++.
2785 2000-08-03 Nick Clifton <nickc@cygnus.com>
2787 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
2788 * dwarf.h (LANG_JAVA): Change value to 0x000b.
2790 2000-08-03 Anthony Green <green@cygnus.com>
2792 * dwarf2out.c (gen_compile_unit_die): Add java language support.
2793 (add_bound_info): Check for java language.
2794 (is_java): New function.
2795 * dwarfout.c (output_compile_unit_die): Ditto.
2796 * dwarf.h (dwarf_source_language): Add java source language type.
2797 * dwarf2.h (dwarf_source_language): Ditto.
2799 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
2801 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
2804 * i386.c (ix86_expand_branch): Mode of comparison in
2805 IF_THEN_ELSE is VOIDmode.
2807 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
2809 * gengenrtl.c, rtl.c: Avoid #elif.
2811 2000-08-03 Michael Poole <poole@troilus.org>
2813 * tm.texi (Register Classes): Clarify order of sub-initializers
2814 in REG_CLASS_CONTENTS.
2816 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2818 From SAITOH Masanobu:
2819 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
2821 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
2823 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
2824 is not supported by tradcpp and isn't actually needed for cygwin.
2826 2000-08-03 Kazu Hirata <kazu@hxi.com>
2828 * h8300.c: Fix a comment typo.
2829 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
2831 * jump.c: Fix formatting.
2833 * toplev.c: Fix formatting.
2835 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
2837 * flow.c (find_auto_inc): Verify that we've got a REG before
2838 peeking at its regno. Fail, don't abort if we can't find
2839 the increment of the desired register.
2841 * pa.md (shadd height reduction patterns/splitters): Remove.
2843 2000-08-02 Jim Wilson <wilson@cygnus.com>
2845 * config/ia64/ia64-protos.h (flag_ssa): Declare.
2846 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
2848 2000-08-02 Mark Mitchell <mark@codesourcery.com>
2850 * dce.c: Remove all uses of assert.
2851 * dwarf2out.c: Likewise.
2852 * dwarfout.c: Likewise.
2855 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2857 * gcc.h (lang_specific_driver): Constify second argument.
2858 * gcc.c (translate_options, process_command, main): Likewise.
2859 Constify variables to match. Cast second argument to
2862 * cppspec.c, gccspec.c: Adjust type of second argument to
2863 lang_specific_driver, and update code as necessary.
2865 2000-08-02 Jakub Jelinek <jakub@redhat.com>
2867 * loop.c (scan_loop): Ensure update_end label does not
2868 go away until reg_scan_update is run.
2870 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2872 * c-common.h: Prototype min_precision and c_build_qualified_type here...
2873 * c-tree.h: ... not here.
2874 * errors.h: Prototype fancy_abort.
2876 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
2877 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
2878 * regrename.c (regrename_optimize): Make control flow explicit.
2879 (replace_reg_in_block): Initialize reg_use to 0.
2881 * i386.c (legitimate_address_p): Rename error label to
2882 report_error to avoid namespace clash.
2884 2000-08-02 Kazu Hirata <kazu@hxi.com>
2886 * fold-const.c: Fix formatting.
2888 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
2890 * i386.c (legitimate_address_p): Accept other bases than
2891 pic_offset_table_rtx for GOTOFF constructs.
2893 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
2895 * i386.md (shift to lea splitter): Use const_int_operand.
2897 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2899 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
2900 cppspec.c: Do not use 'legal' or 'illegal' in error messages
2903 * cppmain.c (cb_define, cb_undef): Don't generate any output
2904 if not done_initializing.
2905 * cpplex.c (maybe_paste_with_next): When the token after a ##
2906 is an omitted rest argument, only delete the token before it
2907 if that token is a comma. Do not warn about bogus token
2908 pastes for , ## rest_arg.
2911 * cpp.1: Regenerate.
2913 2000-08-02 Fred Fish <fnf@be.com>
2915 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
2916 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
2919 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
2920 Be directories to search path.
2922 Remove support for __declspec(dllimport) and __declspec(dllexport).
2923 This is leftover cruft from the earlier BeOS gcc port when BeOS
2924 used Microsoft's PE object file format.
2925 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
2926 * config/i386/t-beos (winnt.o): Remove Makefile frag.
2927 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
2928 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
2929 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
2930 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
2931 (REDO_SECTION_INFO_P): Remove.
2932 (ASM_EXPORT_DECL): Remove.
2933 (ASM_DECLARE_FUNCTION_NAME): Remove.
2934 (ASM_DECLARE_OBJECT_NAME): Remove.
2935 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2936 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
2937 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
2938 (STRIP_NAME_ENCODING): Remove.
2940 Remove support for obsolete version of BeOS that is no longer
2942 * configure.in (i*86-*-beospe*): Remove.
2943 * config/i386/beos-pe.h: Remove.
2945 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
2946 Mark Mitchell <mark@codesourcery.com>
2948 * Makefile.in (OBJS): Added dce.o.
2949 (ssa.o): Updated target to include ssa.h.
2951 (toplev.o): Likewise.
2952 (dce.o): Created target.
2953 * basic-block.h: Added comments.
2954 (INVALID_BLOCK): Added definition.
2955 (connect_infinite_loops_to_exit): Added declaration.
2956 Moved SSA declarations to ssa.h.
2957 * flow.c: Added inclusion of ssa.h.
2958 (struct depth_first_search_dsS, depth_first_search_ds):
2960 (compute_immediate_postdominators): Added definition.
2961 (connect_infinite_loops_to_exit): Likewise.
2962 (flow_dfs_compute_reverse_init): Likewise.
2963 (flow_dfs_compute_reverse_add_bb): Likewise.
2964 (flow_dfs_compute_reverse_execute): Likewise.
2965 (flow_dfs_compute_reverse_finish): Likewise.
2966 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
2967 (LABEL_P): Added definition.
2970 (BARRIER_P): Likewise.
2971 (JUMP_TABLE_DATA_P): Likewise.
2972 (INSN_DEAD_CODE_P): Likewise.
2973 * ssa.c: Replaced inclusions with ssa.h inclusion.
2974 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
2975 (rename_registers): Removed unnecessary variables.
2976 * ssa.h: Created by moving declarations from ssa.c and
2978 * timevar.def: Defined TV_DEAD_CODE_ELIM.
2979 * toplev.c: Added ssa.h inclusion.
2980 (dump_file_index): Added DFI_dce.
2981 (dump_file): Added "dce" entry.
2983 (f_options): Added dce entry.
2984 * invoke.texi: Document -fdce. Emphasize experimental status of
2988 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
2990 * cpperror.c (v_message): Split into _cpp_begin_message and
2991 v_message macro. All callers updated.
2992 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
2995 * cppfiles.c (cpp_syshdr_flags): New function.
2996 (read_include_file): Don't call cpp_output_tokens. Call
2998 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
2999 (cpp_reader_init): Don't initialize token_buffer. Call
3000 _cpp_init_internal_pragmas.
3001 (cpp_cleanup): Don't clear token_buffer.
3002 (cpp_start_read): Don't worry about output from -D processing.
3003 Don't call cpp_output_tokens.
3004 (cpp_finish): Don't dump macros here. Don't call
3006 * cppmacro.c (_cpp_dump_definition): Rename
3007 cpp_dump_definition. Write directly to a FILE *.
3008 (dump_funlike_macro): Delete.
3009 (dump_macro_args): New.
3011 * cpplex.c (TOKEN_LEN): Convert to inline function.
3012 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
3013 cpp_scan_line, _cpp_dump_list): Delete.
3014 (cpp_printf, cpp_output_list): New.
3015 (output_line_command): Don't worry about entering or leaving files.
3016 (cpp_scan_buffer): Just output each token as we hit it.
3017 (process_directive): Don't call cpp_output_tokens.
3018 (_cpp_glue_header_name): Don't use token_buffer.
3019 (output_token, dump_param_spelling): Write directly to a FILE *.
3021 * cpplib.c (pass_thru_directive, dump_macro_name,
3022 pragma_dispatch, do_pragma_gcc): Delete.
3023 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
3024 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
3026 (do_error, do_warning, pragma_dependency): Call
3027 _cpp_begin_message, then cpp_output_list.
3028 (cpp_register_pragma, cpp_register_pragma_space,
3029 _cpp_init_internal_pragmas): New.
3030 (do_pragma): Walk the pragmas table here.
3031 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
3032 do_pragma_dependency): Return void.
3033 (do_pragma_implementation): Moved to cppmain.c.
3035 * cpplib.h: Update prototypes.
3036 (struct cpp_reader): Remove printer, token_buffer,
3037 token_buffer_size, and limit. Add struct cb, and pragmas.
3038 (struct cpp_printer): Remove last_id and written.
3039 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
3040 CPP_ADJUST_WRITTEN): Delete.
3041 * cpphash.h: Update prototypes.
3042 (ufputs): New wrapper.
3044 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
3045 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
3046 (main): Set up callbacks. Register #pragma implementation.
3047 Dump macros from here.
3049 2000-08-01 Geoff Keating <geoffk@cygnus.com>
3051 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
3052 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
3053 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
3054 insns if they have a REG_MAYBE_DEAD note attached.
3055 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
3056 (rs6000_emit_load_toc_table): TOC loads may go dead.
3058 2000-08-01 Jim Wilson <wilson@cygnus.com>
3060 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
3061 type exists before using it. Use number of words as alignment
3063 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
3064 ia64_va_arg): Propagate ia64_function_args changes here.
3066 2000-08-01 Richard Henderson <rth@cygnus.com>
3068 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
3069 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3071 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
3073 From Joern Rennecke:
3074 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
3075 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
3076 unless TARGET_SH3E is set.
3077 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
3079 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
3080 (ashlsi3_std): New pattern.
3081 (ashlsi3 expander): Use it for TARGET_SH3.
3082 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
3084 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3086 * loop.c (canonicalize_condition): Use destination, not source to
3087 determine SET's mode.
3089 2000-07-31 Mark Mitchell <mark@codesourcery.com>
3091 * flow.c (clear_log_links): Fix typo.
3093 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
3095 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
3096 on targets which need more than one insn for a compare/cbranch
3099 2000-07-31 Jim Wilson <wilson@cygnus.com>
3101 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
3102 when computing offset.
3104 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
3106 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
3108 2000-07-31 Geoff Keating <geoffk@cygnus.com>
3110 * flow.c (clear_log_links): Nuke global_live_at_start and
3111 global_live_at_end data, since if the log_links stuff is invalid
3112 so is global_live_at_*.
3114 2000-07-31 Richard Henderson <rth@cygnus.com>
3116 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
3118 2000-07-31 Jakub Jelinek <jakub@redhat.com>
3120 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
3121 (_cpp_get_token): Don't macro expand a just pasted token if it
3122 was pasted at no_expand_level.
3124 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3126 * cppmacro.c (find_param, count_params, save_expansion):
3127 Permit 'defined' as a macro parameter name.
3129 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3131 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
3132 xcpp to cpp throughout.
3133 (native): Remove unnecessary dependency on cpp.
3135 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
3136 tradcpp to tradcpp0.
3137 (.i spec): Add missing output-file spec to cc1 command line.
3138 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
3140 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3142 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
3143 (implicit_decl_warning): New function.
3144 (implicitly_declare): Use it.
3145 * c-typeck.c (build_external_ref): Use implicit_decl_warning
3146 to complain about implicit decls of builtins.
3148 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
3149 based on pedantic && flag_isoc99, if not already set.
3150 * c-tree.h: Declare mesg_implicit_function_declaration.
3151 Prototype implicit_decl_warning.
3153 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
3155 * Makefile.in (ssa.o): Updated header files in dependences.
3156 * basic-block.h: Added compute_immediate_postdominators declaration.
3157 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
3159 * flow.c (compute_immediate_dominators): Updated comment.
3160 (compute_immediate_postdominators): Added definition.
3161 * rtl.h (HARD_REGISTER_P): Added definition.
3162 * ssa.c: Include additional header files.
3163 (assert): Added definition.
3164 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
3165 include select hard registers.
3166 (ssa_rename_to_insert): Likewise.
3167 (ssa_rename_from_initialize): Likewise.
3168 (ssa_rename_from_lookup): Likewise.
3169 (original_register): Likewise.
3170 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
3171 include select hard reigsters.
3172 (ssa_rename_from_traverse): Likewise.
3173 (ssa_rename_from_free): Likewise.
3174 (ssa_rename_from_print): Likewise.
3175 (ssa_rename_from_print_1): Likewise.
3176 (ssa_rename_from_hash_function): Likewise.
3177 (ssa_rename_from_equal): Likewise.
3178 (ssa_rename_from_delete): Likewise.
3179 (simplify_to_immediate_dominators): Removed in favor of
3180 flow.c:compute_immediate_dominators.
3181 (find_evaluations_1): Modified to work with hard registers.
3182 (insert_phi_node): Likewise.
3183 (insert_phi_nodes): Likewise.
3184 (struct rename_set_data): Updated prev_reg comment.
3185 (create_delayed_rename): Modified to work with hard registers.
3186 (RENAME_NO_RTX): Updated comment.
3187 (apply_delayed_renames): Modified to work with hard registers.
3188 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
3189 (rename_block): Updated to use revised ssa_rename_to interface.
3190 (rename_registers): Updated to use revised ssa_rename_to and
3191 ssa_rename_from interface.
3192 (convert_to_ssa): Revised to use compute_immediate_dominators and
3193 deal with hard registers.
3194 (make_regs_equivalent_over_bad_edges): Modified to work with hard
3195 registers. Added check for illegal unification of hard register.
3196 (make_equivalent_phi_alternatives_equivalent): Modified to work
3197 with hard registers.
3198 (compute_conservative_reg_partition): Likewise.
3199 (coalesce_if_unconflicting): Modified to work with hard registers
3200 and check for conflicting hard registers.
3201 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
3203 (rename_equivalent_regs_in_insn): Modified to work with hard
3205 (record_canonical_element_1): Added definition.
3206 (check_hard_regs_in_partition): Added definition.
3207 (convert_from_ssa): Added data structure deallocation and check
3208 for illegal hard register unification.
3209 (conflict_hard_regs_p): Added definition.
3210 * toplev.c (rest_of_compilation): Added comment.
3212 2000-07-31 Anthony Green <green@redhat.com>
3214 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
3216 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
3218 * builtins.c (expand_builtin_apply): Don't defer pop during
3221 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3223 * calls.c (combine_pending_stack_adjustment_and_call): Only use
3224 preferred_unit_stack_boundary when it is > 1.
3226 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
3228 * c-common.c (init_function_format_info): Add C99 format functions
3231 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
3232 void' or 'register void' as being the special case of 'void' alone
3233 in a parameter list.
3235 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
3236 discarding qualifiers into a plain warning.
3238 2000-07-31 Kazu Hirata <kazu@hxi.com>
3240 * combine.c: Fix formatting.
3242 * h8300.md: Fix formatting.
3244 * local-alloc.c: Fix formatting.
3246 * h8300.c (get_shift_alg): Remove the variable alg.
3247 (emit_a_shift): Rearrange code to improve readability.
3249 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
3251 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
3252 HImode on all architectures and a combination of HImode and SImode
3253 on H8/300H and H8/S.
3255 * h8300.c (split_adds_subs): Rearrange code for conciseness.
3257 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3259 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
3262 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3264 * recog.c (extract_insn): Set operand_mode according to
3265 operand if match_operand is VOIDmode.
3267 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3269 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
3271 2000-07-31 Geoff Keating <geoffk@cygnus.com>
3273 * c-parse.in (extdefs): Call ggc_collect between external
3276 2000-07-30 Michael Hayes <mhayes@cygnus.com>
3277 Richard Henderson <rth@cygnus.com>
3279 * Makefile.in (OBJS): Add doloop.o.
3280 * doloop.c: New file.
3282 * final.c (insn_current_reference_address): Return 0 before final.
3283 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
3284 * jump.c (any_uncondjump_p): Likewise.
3285 * loop.c (indirect_jump_in_function): Make static.
3286 (strength_reduce): Call doloop_optimize.
3287 (insert_bct, instrument_loop_bct): Remove.
3288 * loop.h (doloop_optimize): Prototype.
3289 * recog.c (split_all_insns): Split all INSN_P.
3290 * toplev.c (flag_branch_on_count_reg): Default on.
3292 * config/c4x/c4x.c (c4x_optimization_options): Don't set
3293 flag_branch_on_count_reg.
3294 * config/i386/i386.c (override_options): Likewise.
3295 * config/rs6000/rs6000.c (optimization_options): Likewise.
3297 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
3299 (dbra_ge): Remove, as well as all it's splitters.
3301 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
3304 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
3305 (ia64_register_move_cost): Declare.
3306 * config/ia64/ia64.c (ar_lc_reg_operand): New.
3307 (struct ia64_frame_info): Add ar_size.
3308 (ia64_compute_frame_size): Set it.
3309 (save_restore_insns): Save and restore ar.lc.
3310 (ia64_register_move_cost): New, moved from header file. Handle
3311 application registers.
3312 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
3313 (emit_insn_group_barriers): Special case doloop_end_internal.
3314 (ia64_epilogue_uses): Mark ar.lc live at end.
3315 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
3316 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
3317 (FIRST_PSEUDO_REGISTER): Make room.
3318 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
3319 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
3320 (REG_ALLOC_ORDER): Update.
3321 (HARD_REGNO_MODE_OK): Update.
3322 (REGISTER_NAMES): Update.
3323 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
3324 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3325 (REGNO_REG_CLASS): Update.
3326 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
3327 (REGISTER_MOVE_COST): Move out of line.
3328 (PREDICATE_CODES): Update.
3329 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
3330 (addsi3_plus1_alt, adddi3_plus1_alt): New.
3331 (shladd_elim splitter): Allow constants in the predicate.
3332 (doloop_end, doloop_end_internal): New.
3334 2000-07-30 Richard Henderson <rth@cygnus.com>
3336 * genattrtab.c (struct insn_def): Add lineno member.
3337 (struct insn_ent): Likewise.
3338 (struct attr_desc): Likewise.
3339 (struct delay_desc): Likewise.
3340 (struct function_unit_op): Likewise.
3341 (struct function_unit): Likewise.
3342 (check_attr_value): Use message_with_line.
3343 (check_defs): Likewise.
3344 (expand_units): Likewise.
3345 (check_attr_test): Take a lineno argument.
3346 (gen_attr): Likewise.
3347 (gen_insn): Likewise.
3348 (gen_delay): Likewise.
3349 (gen_unit): Likewise.
3350 (main): Give it to them.
3351 (convert_set_attr_alternative): Take an insn_def argument
3352 instead of num_alt and insn_index.
3353 (convert_set_attr): Likewise.
3354 (write_test_expr): Protect INSN_ADDRESSES load
3355 with INSN_ADDRESSES_SET_P.
3357 2000-07-30 Richard Henderson <rth@cygnus.com>
3359 * flow.c (init_propagate_block_info): Use pc_set.
3361 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
3363 * i386.md (*lea_general_[123]) New insns and splits.
3364 (addsi3 to lea splitter): Handle other modes too.
3365 (shlsi3 to lea splitter): Likewise.
3366 (addhi_1_lea, shlhi_1_lea): New patterns.
3367 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
3369 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
3371 * recog.c (general_operand, nonimmediate_operand): Accept
3372 any mode for VOIDmode CONSTANT_P operands.
3374 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3376 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
3377 instead of replace_rtx.
3378 * recog.c (validate_replace_rtx_subexp): New function.
3379 * recog.h (validate_replace_rtx_subexp): Declare.
3381 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
3383 * combine.c (simplify_set, make_extraction, make_compound_operation
3384 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
3385 as force_to_mode argument.
3387 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3389 * combine.c (if_then_else_cond): Be sure that mode fits in
3392 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3394 * combine.c (record_promoted_value): Allow bitsize of mode
3395 to be equivalent to HOST_BITS_PER_WISE_INT.
3397 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3399 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
3400 Do not call gen_mode_alignment when mode is BLKmode.
3402 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
3404 * loop.c (express_from_1): Fix call of simplify_gen_binary.
3406 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3408 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
3409 VOIDmode implies both operands to be VOIDmode.
3410 (simplify_ternary_operation): Compute properly the mode of comparison.
3411 * combine.c (combine_simplify_rtx): Likewise.
3413 2000-07-25 Michael Hayes <mph@paradise.net.nz>
3415 * basic-block.h (struct loops): New field rc_order.
3416 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
3417 (flow_loops_free): Free rc_order.
3418 (flow_depth_first_order_compute): New parameter rc_order.
3419 (flow_loops_find): Allocate rc_order and swap usage with
3422 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3423 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3425 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
3426 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
3427 (nodb_call, return_from_epilogue): Likewise.
3428 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
3429 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
3430 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
3431 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3432 (c4x_valid_type_attribute_p): Likewise.
3433 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
3434 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
3436 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3438 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
3439 and loadhi_big_constant if applicable.
3440 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
3441 and add new splitter.s
3443 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3445 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
3447 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3449 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
3451 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3453 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
3455 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3457 * config/c4x/libgcc.S (divqf3): Improve accuracy.
3459 2000-07-27 Mark Mitchell <mark@codesourcery.com>
3461 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
3462 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
3463 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
3464 (get_prev_bb_note): Likewise.
3465 (remove_scope_notes): Likewise.
3466 * flow.c (commit_one_edge_insertion): Likewise.
3467 (merge_blocks_nomove): Likewise.
3468 (verify_flow_info): Likewise.
3469 * gcse.c (insert_insn_end_bb): Likewise.
3470 * reg-stack.c (emit_swap_insn): Likewise.
3471 * ssa.c (first_insn_after_basic_block_note): New function.
3472 (insert_phi_node): Use it.
3473 (rename_block): Likewise.
3474 (eliminate_phi): Likewise.
3475 (make_regs_equivalent_over_bad_edges): Likewise.
3476 (make_equivalent_phi_alternatives_equivalent): Likewise.
3477 (for_each_successor_phi): Likewise.
3478 (convert_from_ssa): Modify phi-node deletion algorithm.
3480 2000-07-29 Andreas Jaeger <aj@suse.de>
3482 * configure.in (mips*-*-linux*): Use mips*el to check for little
3483 endian MIPS, add tmake_file.
3485 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
3486 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
3487 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
3489 2000-07-28 Richard Henderson <rth@cygnus.com>
3491 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
3492 Sign extend mode size before negating.
3494 2000-07-28 Richard Henderson <rth@cygnus.com>
3496 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
3498 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
3500 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
3501 (cse_insn): Likewise.
3502 (addr_affects_sp_p): Likewise.
3503 * expr.c (move_by_pieces): Likewise.
3504 (clear_by_pieces): Likewise.
3505 * gcse.c (oprs_unchanged_p): Likewise.
3506 * haifa-sched.c (sched_analyze_2): Likewise.
3507 * recog.c (offsettable_address_p): Likewise.
3508 * regclass.c (record_address_regs): Likewise.
3509 * reload.c (find_reusable_reload): Likewise.
3510 (push_reload): Likewise.
3511 (operands_match_p): Likewise.
3512 (decompose): Likewise.
3513 (find_reloads_address_1): Likewise.
3514 (find_inc_amount): Likewise.
3515 * reload1.c (elimination_effects): Likewise.
3516 * resource.c (mark_set_resources): Likewise.
3517 * flow.c (attempt_auto_inc): New function; mostly broken out
3519 (find_auto_inc): Split into two functions and enhanced to
3520 generate POST_MODIFY.
3521 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
3522 * rtl.h (count_all_occurrences): Declare.
3523 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
3525 * rtlanal.c (count_all_occurrences): New function.
3526 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
3527 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
3529 * config/ia64/ia64-protos.h (destination_operand): Declare.
3530 * config/ia64/ia64.c (destination_operand): New function.
3531 (ia64_print_operand): Handle POST_MODIFY.
3532 (rtx_needs_barrier): Likewise.
3533 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
3534 (HAVE_POST_MODIFY_REG): Define to 1.
3535 (MAX_REGS_PER_ADDRESS): Change to 2.
3536 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
3537 (LEGITIMATE_ADDRESS_REG): New helper macro.
3538 (LEGITIMATE_ADDRESS_DISP): Likewise.
3539 (PREDICATE_CODES): Add entry for destination_operand.
3540 * config/ia64/ia64.md (all mov patterns): Use destination_operand
3541 predicate for operand 0.
3543 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3545 * dwarf2out.c: Indent #error directive.
3547 * gbl-ctors.h: Fix typo in comment.
3548 (__do_global_ctors): Prototype.
3550 * gcse.c (record_one_set, pre_delete): Remove unused variables.
3552 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
3553 (print_operand): Initialize variable `t'.
3555 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
3557 * config/arm/arm.md ("call_value"): removed constraints.
3558 Constraints are ignored in expanders.
3559 (*call_value_reg): split =rf into various constraints.
3560 (*call_value_mem): same
3561 (*call_value_symbol): same
3562 (*sibcall_value_insn): same
3564 2000-07-28 Philipp Thomas <pthomas@suse.de>
3566 * install.texi (--enable-nls): Change the description of the NLS
3567 related configure options to match the current state.
3568 (--with-included-gettext): Likewise.
3569 (--enable-maintainer-mode): New description added.
3570 * extend.texi (-fstrict-prototype): Add missing '.'.
3572 2000-07-27 Jim Wilson <wilson@cygnus.com>
3574 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
3575 DECL_INITIAL (decl) == NULL_TREE.
3577 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
3579 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
3580 on insn-attr.h with it.
3581 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
3582 * insn-addr.h: New header.
3583 (insn_addresses_): Renamed from insn_addresses.
3584 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
3585 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
3586 INSN_ADDRESSES_NEW): New macros.
3587 * genattrtab.c (write_test_expr): Use new macros.
3588 * final.c (insn_addresses, init_insn_lengths): Likewise.
3589 (align_fuzz, shorten_branches): Likewise.
3590 (final): Likewise. Do not reject new insns if their addresses
3591 have been added to INSN_ADDRESSES.
3592 * config/arm/arm.c, config/avr/avr.c: Use new macros.
3593 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
3594 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
3595 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
3596 * config/sh/sh.c: Likewise.
3597 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
3599 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
3601 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
3603 * gcc.c (struct prefix_list): Add member priority.
3604 (enum path_prefix_priority): Declare.
3605 (add_prefix): Replace ``first'' with ``priority''. Append new
3606 entry but keep list in priority order.
3607 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
3608 PREFIX_PRIORITY_LAST to add_prefix.
3609 (process_command): Move include kludge - foo/stageN - to before
3612 2000-07-27 Jason Merrill <jason@redhat.com>
3614 * dwarf2out.c (gen_typedef_die): Abort if we get identical
3615 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
3617 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
3619 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
3620 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
3622 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
3624 * c-decl.c (finish_function): Don't treat 'main' specially unless
3625 flag_hosted. In C99 mode, return 0 from 'main' unless
3626 DEFAULT_MAIN_RETURN is otherwise defined.
3628 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
3629 parameters defaulting to int in an old-style function definition.
3631 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3633 * c-parse.in (string): For -Wtraditional, warn about string
3634 concatenation only once per line.
3636 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
3638 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
3639 for HI-UX/WE2 systems.
3641 2000-07-24 Bruce Korb <bkorb@gnu.org>
3643 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
3644 defining the __xxx_TYPE__ macros.
3645 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
3646 * fixincl/fixlib.h: don't need to include "tm.h" anymore
3647 * fixincl/inclhack.def(type_map): now obsolete
3649 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
3651 * cpp.texi: Append a trailing full-stop to xrefs where needed.
3653 2000-07-26 Dave Pitts <dpitts@cozx.com>
3655 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
3657 (mvs_hash_alias): New function.
3658 (mvs_add_alias): Change argument spacing.
3659 (mvs_need_alias): Change aliasing criteria. Added documentation.
3660 (mvs_get_alias): Change to use hashed name. The hashed name prevents
3661 CSECT name collisions.
3662 (mvs_check_alias): Likewise.
3663 (handle_pragma): Change documentation.
3664 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
3665 mode from SImode to DImode.
3666 (iorhi3): Changed LTORG size for insn.
3668 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3670 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3671 mem if the address is a mode_dependent_address_p.
3673 2000-07-26 Kazu Hirata <kazu@hxi.com>
3675 * h8300.c (print_operand): Print ":8" when the 'R' operand is
3676 suitable for 8-bit absolute.
3677 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
3678 (OK_FOR_U): Add a case for the 8-bit constant address on the
3681 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
3683 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
3684 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
3685 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
3686 lack of implemented alignment.
3688 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
3690 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
3691 cross-compiling between 64-bit and 32-bit machines.
3693 2000-07-27 Richard Henderson <rth@cygnus.com>
3695 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
3696 (movhicc_astep, movhi_internal_astep): New.
3697 (movsicc_astep, movsi_internal_astep): New.
3698 (movdicc_astep, movdi_internal_astep): New.
3699 (movsfcc_astep, movsf_internal_astep): New.
3700 (movdfcc_astep, movdf_internal_astep): New.
3701 (movxfcc_astep, movxf_internal_astep): New.
3702 (cmovdi_internal_astep, cmovsi_internal_astep): New.
3703 Unify the cmov[ds]i splitters.
3705 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
3707 * real.c (asctoeg): Rename `error' label to unexpected_char_error
3709 2000-07-26 Nick Clifton <nickc@cygnus.com>
3711 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
3712 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
3714 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
3715 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
3717 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
3719 * c-decl.c (finish_enum): Convert enumerations that fit in an
3721 (build_enumerator): In pedantic mode, cast to `int' those that
3724 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
3726 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
3728 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3730 * sh.md (cmpgtdi_t): Must be split.
3731 (cmpgtdi_t+1): New splitter.
3733 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
3735 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
3736 warnings for indented directives even if we are skipping.
3738 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
3740 * invoke.texi (strict-prototypes): Remove.
3741 * extend.texi (Deprecated Features): Add strict-prototypes.
3742 (Backwards Compatibility): New node.
3744 2000-07-25 Jakub Jelinek <jakub@redhat.com>
3746 * config/i386/i386.md (andsi_1+1): Allow HImode.
3747 (andsi_1+2): Require q_regs_operand.
3749 2000-07-25 Jakub Jelinek <jakub@redhat.com>
3751 * config/i386/i386.md (call_pop): Check operands[0],
3752 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
3754 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
3755 (call_value): Likewise.
3757 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
3759 * toplev.c (pipe_closed): Delete.
3760 (crash_signal): New. Generate ICE for a fatal signal.
3761 (float_signal): Call crash_signal outside a float-handler
3763 (main): Install crash_signal as handler for core-dumping signals.
3765 2000-07-25 David Edelsohn <edelsohn@gnu.org>
3767 * rs6000.c (print_operand, case 'T'): New case.
3769 * rs6000.md (call_indirect_aix32): Convert to expander of
3770 scheduled instructions.
3771 (call_indirect_aix64): Likewise.
3772 (call_value_indirect_aix{32,64}): Likewise.
3773 (call, call_value): Invoke expanders for AIX. Fall through to
3775 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
3776 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
3777 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
3778 only "g" constraint.
3779 (call_nonlocal_aix64): Likewise.
3780 (call_value_nonlocal_aix{32,64}): Likewise.
3781 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
3783 (call_value_nonlocal_sysv): New pattern.
3784 (indirect_jump{si,di}): Use new 'T' modifier.
3785 (tablejump{si,di} matchers): Likewise.
3786 (return_internal_{si,di}): Likewise.
3787 (return_eh_{si,di}): Likewise.
3789 2000-07-24 Richard Henderson <rth@cygnus.com>
3791 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
3792 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
3793 * config/ia64/ia64.md (movdi_internal): Use it.
3795 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
3797 * cppexp.c: Warn about unary + if -Wtraditional.
3798 * cpplex.c (lex_line): Always set BOL on the first token of a line.
3800 2000-07-24 Michael Meissner <meissner@redhat.com>
3802 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
3805 2000-07-24 Nick Clifton <nickc@cygnus.com>
3807 * config/arm/arm.c (emit_multi_reg_push): Generate a
3808 REG_FRAME_RELEATED_NOTE that is compatable with the code in
3809 dwarf2out_debug_frame_expr.
3811 2000-07-24 Jason Merrill <jason@redhat.com>
3813 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
3814 UNALIGNED_INT_ASM_OP.
3815 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
3816 a location expression.
3817 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
3818 assume indirect access if we're saving the CFA address exactly.
3820 * Makefile.in (bootstrap): Move -BstageN/ to the end.
3822 2000-07-24 Jakub Jelinek <jakub@redhat.com>
3824 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
3827 2000-07-24 Michael Meissner <meissner@redhat.com>
3829 * invoke.texi (D30V Options): Add d30v options.
3831 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
3833 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
3834 needed by our gcse pass anymore.
3835 (free_pre_mem): Corresponding changes.
3836 (compute_pre_data): Do not call compute_transpout anymore.
3838 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
3839 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
3842 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
3843 (compute_pre_data): Do it here instead.
3845 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
3847 (pre_delete): Corresponding changes.
3849 2000-07-23 Mark Mitchell <mark@codesourcery.com>
3851 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
3852 to figure out whether or not a variable has already been emitted.
3854 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
3856 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
3857 instead of gen_call.
3859 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
3861 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
3863 2000-07-23 Kazu Hirata <kazu@hxi.com>
3865 * h8300.c: Fix formatting.
3867 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
3869 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
3870 for `long' switch expression into a plain warning.
3872 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
3873 (yylex): Don't pedwarn for "inline" in C99 mode.
3875 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
3877 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
3878 ggc_alloc): Likewise.
3879 * bb-reorder.c (dump_scope_forest_1): Likewise.
3881 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
3883 * reload.c (find_reloads_toplev): Add new parameter
3885 (find_reloads): Add new parameter to find_reloads_toplev calls.
3887 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
3889 * collect2.c (main): Typo fixed.
3890 * diagnostic.c: Typo fixed.
3891 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
3892 * eh-common.h: Typo fixed.
3893 * emit-rtl.c (start_sequence): Typo fixed.
3894 * flow.c (find_label_refs): Typo fixed.
3895 (calculate_global_regs_live): Typo fixed.
3896 (mark_regno_cond_dead): Typo fixed.
3897 (create_edge_list): Typos fixed.
3898 (verify_edge_list): Typo fixed.
3899 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
3900 * loop.c (strength_reduce): Typo in function name fixed.
3901 * rtl.h: Added comments. Typo in function name fixed.
3902 * rtlanal.c: Typo in function name fixed.
3903 (insn_dependant_p): Rename to ...
3904 (insn_dependent_p): ... this.
3905 (computed_jumo_p): Typo fixed.
3907 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3909 * system.h (__FUNCTION__): Wrap definition in #ifndef.
3911 2000-07-21 David Edelsohn <edelsohn@gnu.org>
3913 * rs6000.h (SIZE_TYPE): Define.
3915 2000-07-21 Mark Mitchell <mark@codesourcery.com>
3917 * ssa.c (rename_insn_1): Don't rename registers that are
3920 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
3922 * diagnostic.c (trim_filename, fancy_abort): Moved here from
3924 (fatal_function, set_fatal_function): Removed.
3925 (fatal): Don't prepare for or call the fatal_function.
3926 (diagnostic_lock, error_recursion): New.
3927 (diagnostic_for_decl, report_diagnostic): Guard against
3928 re-entering the error reporting routines.
3929 (fancy_abort): Assume function is not NULL.
3931 * errors.c (fancy_abort): New. Assume function is not NULL.
3932 * tradcpp.c (fancy_abort): Assume function is not NULL.
3934 * system.h: Provide default definition of __FUNCTION__.
3935 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
3936 Always use __FUNCTION__ in definition of abort.
3938 * varray.h: Likewise.
3939 * toplev.h: Likewise. Don't prototype set_fatal_function.
3941 2000-07-20 Geoff Keating <geoffk@cygnus.com>
3943 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
3945 * glimits.h: Don't do #if defined for ARCH_PPC.
3947 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
3948 constants of size no larger than a pointer should go in the TOC.
3949 Add 'MODE' parameter.
3950 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
3951 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
3952 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
3953 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
3954 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
3955 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
3956 (rs6000_legitimize_address): Likewise.
3957 (rs6000_emit_move): Likewise.
3958 (rs6000_select_rtx_section): Likewise.
3959 (output_toc): Deal properly with outputting small constants like
3960 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
3961 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
3962 MODE parameter. Put small constants in the TOC.
3964 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
3966 (rs6000_emit_move): When reload calls us with an illegitimate
3967 address, exit early. Move the change_address calls to one place
3968 at the end of the routine. Merge the SImode and DImode expanders.
3969 When called by reload to put an integer into a FP register, force
3972 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
3974 (rs6000_hash_constant): Hash mode too.
3975 (toc_hash_function): Allow for key_mode.
3976 (toc_hash_eq): Structures are different if key_mode differs.
3977 (output_toc): Add 'mode' parameter. Save key_mode.
3978 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
3979 Pass 'mode' parameter.
3980 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
3982 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
3983 for vtable references.
3985 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
3986 choice, don't put integer values in FP regs.
3988 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
3990 * flow.c (verify_flow_info): Revamp code to verify that the
3991 head and end of each basic block are in the insn chain.
3993 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
3995 * gcse.c (record_one_set): Prepend instead of append onto
3996 reg_set_table, making it O(n) instead O(n^2).
3997 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
3998 Use a queue instead of a stack as worklist.
4000 2000-07-20 Kazu Hirata <kazu@hxi.com>
4002 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
4003 * h8300.h (OK_FOR_T): New.
4004 (EXTRA_CONSTRAINT): Support OK_FOR_T.
4005 * h8300.md: Use inc/dec.[wl] for increment/decrement
4006 by 1 and 2 in HI and SI modes.
4008 2000-07-20 Jim Wilson <wilson@cygnus.com>
4010 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
4011 larger than 14 bits.
4013 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
4015 * cppmacro.c (CAN_PASTE_AFTER): New macro.
4016 (count_params): Don't set GNU_REST_ARGS on anything.
4017 (save_expansion): Set PASTE_LEFT only on tokens for which
4018 CAN_PASTE_AFTER is true, or which are named operators.
4020 * cpplex.c (parse_args): Distinguish between a rest argument
4021 given one empty argument, and a rest argument given zero arguments.
4022 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
4023 deletion of previous token based on that.
4024 (get_raw_token): Flatten some control structure.
4026 * cpplib.h (CPP_LAST_EQ): Correct.
4027 (VOID_REST): New token flag.
4028 (GNU_REST_ARGS): Delete.
4030 * tradcpp.c (main): Don't munge -D options.
4031 (make_definition): Bring -D handling in line with cpplib.
4032 (do_define): Strip all leading whitespace from macro definitions.
4034 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
4036 * Makefile.in (tradcpp): Depend on intl.o and version.o.
4038 2000-07-20 Bruce Korb <bkorb@gnu.org>
4040 * fixincl/check.tpl: strip the platform specific types before testing
4041 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
4042 * fixincl/fixincl.tpl: use platform specific types
4043 * fixincl/fixlib.h: include the platform specific types
4044 * fixincl/inclhack.def(gnu_types): don't supply the types
4045 * fixincl/fixincl.x: regen
4047 2000-07-19 Jim Wilson <wilson@cygnus.com>
4049 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
4052 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
4054 * tradcpp.c (rescan): Do not recognize directives when the #
4057 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
4059 Implement C++ named operators.
4061 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
4062 of operators allowed in #if and having an _EQ variant. Add
4063 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
4064 (cpp_token flags): Add NAMED_OP.
4065 (enum node_type): Add T_OPERATOR.
4066 (struct cpp_hashnode): Add code slot to value union.
4067 * cpphash.h (spec_nodes): Remove n_defined.
4069 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
4070 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
4071 (is_macro_disabled): Tweak error messages.
4073 * cpplib.c (get_define_node): Disallow all named operators as
4074 macro names. Tweak error messages.
4075 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
4077 * cppinit.c (builtin_array): Add entries for the named operators.
4078 * cppexp.c (lex): Check for CPP_DEFINED token.
4079 (priority table): Add entries for CPP_MIN and CPP_MAX.
4080 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
4082 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
4084 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
4085 larger than the array of cuids.
4086 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
4089 2000-07-19 Bruce Korb <bkorb@gnu.org>
4091 * fixinc/fixincl.c: Convert to using a table of environment variables
4092 and activate the auto-edit marker on the fixed output files.
4093 * fixinc/fixlib.h: Define the environment table
4094 * fixinc/fixincl.sh: export the ${INPUT} dir
4095 * fixinc/check.tpl: likewise
4097 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
4099 * gcc.c (.h spec): Fix typo.
4101 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
4103 * Makefile.in: Fix tradcif.c path.
4105 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
4107 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
4110 * cpphash.h (TOKEN_NAME): New macro.
4111 (_cpp_spell_operator): Deleted.
4112 (token_spellings): Now _cpp_token_spellings.
4114 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
4115 * cpplex.c: Use OP and TK macros when expanding the
4116 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
4117 store the stringification of the enumeration name (CPP_CHAR,
4118 etc.) in the name slot of token_spellings.
4119 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
4120 token_spellings directly.
4121 * cpplib.c: Use TOKEN_SPELL.
4123 * cpplex.c (_cpp_push_token): If the token being pushed back
4124 is the previous token in this context, just subtract one from
4126 * cppmacro.c (save_expansion): Clear aux field when storing a
4129 2000-07-18 Jakub Jelinek <jakub@redhat.com>
4131 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
4132 buffer, provided it is not NULL.
4134 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
4136 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
4137 case of invalid volatile re-declaration.
4139 2000-07-18 Jakub Jelinek <jakub@redhat.com>
4141 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
4142 (expand_call): Adjust caller.
4144 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
4146 * diagnostic.h (report_diagnostic): Change prototype.
4148 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
4149 diagnostic_for_decl): Change prototype.
4150 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
4151 error, warning, error_with_file_and_line,
4152 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
4153 Adjust call to report_diagnostic, diagnostic_for_decl.
4154 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
4155 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
4157 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
4158 varaible argument list.
4160 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
4162 * cpphash.c: Don't include hashtab.h. Most macro-handling code
4163 moved to cppmacro.c.
4164 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
4165 dump_hash_helper): Delete.
4166 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
4167 cpp_forall_identifiers): New. Implement specialized version of
4168 Vlad's expandable hash table.
4169 (cpp_lookup): Use new functions.
4170 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
4172 * cppmacro.c: New file.
4173 * cppinit.c (dump_macros_helper): New.
4174 (cpp_finish): Iterate over the identifier table directly.
4175 * cpplex.c (parse_name): Calculate the hash of the identifier
4176 while we scan it. Use _cpp_lookup_with_hash when we can.
4178 * cpphash.h: Update prototypes.
4179 (xcnewvec, HASHSTEP): New helper macros.
4180 * cpplib.h: Update prototypes.
4181 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
4182 (cppmacro.o): New rule.
4183 (cpphash.o): Update deps.
4185 * cppmain.c: Do not set pfile->printer if no_output is on.
4187 2000-07-15 Neil Booth <neilb@earthling.net>
4189 * cpplib.c: Change all directive-handler functions to return
4191 * cpphash.h: Update typedefs.
4193 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
4195 * configure: Regenerate.
4197 * extend.texi (Extended Asm): Mention that a memory clobber
4198 does not count as a side-effect.
4200 * unroll.c (copy_loop_body): Fix one instance of using host
4201 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
4204 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
4206 2000-07-17 Richard Henderson <rth@cygnus.com>
4208 * config/ia64/ia64.md (movdi): Split out load address code.
4209 New post-reload splitter for symbolic operands.
4210 (movdi_internal): Abort if we didn't split symbolic operands
4211 when we should have.
4212 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
4213 (ia64_reorg): Split insns when not optimizing.
4214 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
4216 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
4218 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
4219 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
4221 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
4223 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
4225 2000-07-17 Jason Merrill <jason@redhat.com>
4227 * Makefile.in (clean): Remove libgcc directory.
4229 * configure.in (-Wno-long-long check): Use higher-level macros.
4231 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
4233 * simplify-rtx.c (simplify_binary_operation): Recognize
4234 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
4235 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
4236 a CONST_INT, it will always be zero.
4238 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
4240 * loop.c (check_dbra_loop) : Return if more than one condition is
4241 present to control the loop.
4243 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
4245 * mips.c (mips_expand_prologue): Don't calculate the last argument
4246 register unless we need it. When we are calculating this, make
4247 sure FUNCTION_ARG is giving us a REG.
4249 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4251 * flow.c (libcall_dead_p): Use single_set to verify the insn
4252 has only one set and get for analysis.
4253 (propagate_one_insn): Don't pass the PATTERN of the insn.
4255 2000-07-17 Mark Klein <mklein@dis.com>
4257 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
4259 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4261 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
4262 * configure.in (TARGET_GETGROUPS_T): Evaluate.
4263 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
4264 of second argument of getgroups.
4265 * configure, config.in: Rebuilt.
4267 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
4269 * simplify-rtx.c (simplify_relational_operation): Two signed
4270 values with equal high words are less/greater than each other if
4271 their low words are less/greater when considered as unsigned.
4273 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
4275 * configure.in (vax-*-openbsd): Change to new style configuration,
4276 add collect2/float_format information.
4277 * configure: Rebuilt.
4278 * config/vax/openbsd1.h: New.
4279 * config/vax/openbsd.h: New.
4280 * config/vax/t-openbsd: New.
4282 2000-07-17 Chip Salzenberg <chip@valinux.com>
4284 * c-common.c (shorten_compare): Quiet warnings about unsigned
4285 comparisons with zero when they occur in a system header.
4287 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
4289 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
4290 update to describe current practice.
4292 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
4294 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
4295 references to C9X. Change references to -fstd and -flang-isoc9x
4298 * c-common.c (scan_char_table): Allow "z" length modifiers on
4300 (check_format_info): Use TYPE_DOMAIN on the type matched against
4301 for "z" formats, to retrieve the language size_t rather than the
4304 * c-common.c (check_format_info): Do not make a pedantic objection
4305 to the 'L' length modifier if used with a floating point type
4308 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
4309 constants in C99 mode.
4311 2000-07-17 Kazu Hirata <kazu@hxi.com>
4313 * h8300.md: Fix the format of mac.
4314 (movsi_h8300hs): Output a tab after stmac instead of a space.
4316 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
4317 profitable adds/subs sequences.
4319 * fold-const.c: Fix comment typos.
4321 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
4323 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
4325 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4327 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
4329 2000-07-16 Neil Booth <NeilB@earthling.net>
4331 * cpplex.c: Update comments.
4332 * README.Portability: Small update.
4334 2000-07-16 Neil Booth <NeilB@earthling.net>
4336 * README.Portability: Small update.
4338 2000-07-15 Richard Henderson <rth@cygnus.com>
4340 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
4341 * config/ia64/ia64.c (ia64_move_ok): New function.
4342 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
4343 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
4345 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
4347 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
4348 immediately following a paste operator.
4349 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
4350 (cpp_reader_init): Call it, if HOST_EBCDIC.
4351 (cpp_handle_options): Do not sort option list here.
4352 (handle_option): Rename to cpp_handle_option and export.
4353 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
4354 _cpp_get_token directly.
4355 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
4356 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
4357 * cpplib.h: Prototype cpp_handle_option. Update prototype of
4360 2000-07-15 Richard Henderson <rth@cygnus.com>
4362 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
4363 cast around an expression. Tidy other unsigned tests.
4365 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
4367 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
4368 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
4369 (v_message_with_decl): Rename to ...
4370 (format_with_decl): ... this. Tweak
4371 (diagnostic_for_decl): New function.
4372 (fatal_io_error): Use verbatim in lieu of notice.
4373 (announce_function): Use verbatim.
4374 (default_print_error_function): Likewise.
4375 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
4378 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4380 * mips.c (function_arg_pass_by_reference): Don't do automatic
4381 aggregate initialization.
4382 (machine_dependent_reorg): Initialize variable `mode'.
4384 * mips.md (absdi2): Change variable `regno1' to unsigned int.
4385 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
4386 conflicts with sys/param.h macro of the same name.
4387 (reload_outdi): Likewise.
4389 2000-07-15 Michael Meissner <meissner@redhat.com>
4391 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
4392 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
4393 create a new node instead.
4395 2000-07-15 Neil Booth <NeilB@earthling.net>
4397 * README.Portability: Correct example about calling a function
4398 through a pointer to function. Format wide paragraphs.
4400 2000-07-15 Michael Meissner <meissner@redhat.com>
4402 * README.Portability: Update integer suffixes and function
4405 2000-07-15 Neil Booth <NeilB@earthling.net>
4407 * README.Portability: Small update.
4409 2000-07-15 Neil Booth <NeilB@earthling.net>
4411 * README.Portability: New file.
4413 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
4415 * INSTALL: Give special instructions for building GCC on Irix 6.
4416 * config/mips/x-iris6 (CC): Don't set it.
4419 2000-07-14 Jason Merrill <jason@redhat.com>
4421 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
4422 register in the stack and later in another register, use the new
4425 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
4427 * config/mips/mips.md: (absdi2): Handle sign_extend for
4430 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
4432 * cpplib.c (do_pragma_dependency): Tidy warning messages.
4434 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
4436 * .cvsignore: Correct typo.
4438 2000-07-13 Mark Mitchell <mark@codesourcery.com>
4440 * .cvsignore: Add generated YACC files.
4441 * objc/.cvsignore: New file.
4443 2000-07-14 Neil Booth <NeilB@earthling.net>
4445 * cpplex.c (adjust_column): New funcion.
4446 (skip_whitespace): Use it.
4447 (skip_block_comment): Use it, and warn about /*/* with
4450 2000-07-14 Neil Booth <NeilB@earthling.net>
4452 * cpphash.c (struct macro_info): Add new members.
4453 (_cpp_free_definition): Delete the macro directly.
4454 (count_params): Return void, with first token of
4455 expansion in struct macro_info on success.
4456 (parse_define): Return int. Hoist syntax checking from
4457 save_macro_expansion. Leave call to save_expansion to
4458 _cpp_create_definition.
4459 (alloc_macro): Needs just 2 arguments.
4460 (free_macro): Delete.
4461 (save_expansion): Don't perform syntax check.
4462 (_cpp_create_definition): Call save_expansion.
4464 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4466 * genrecog.c (write_header): Split long string.
4468 * cpphash.c (macro_info): Don't use the `signed' keyword.
4470 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
4472 2000-07-13 Jakub Jelinek <jakub@redhat.com>
4474 * calls.c (stored_args_map): New variable.
4475 (check_sibcall_argument_overlap_1): New.
4476 (check_sibcall_argument_overlap): New.
4477 (expand_call): Initialize stored_args_map.
4478 Call check_sibcall_argument_overlap.
4480 2000-07-13 Bruce Korb <bkorb@gnu.org>
4482 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
4483 (emit_gnu_type): utility procedure for gnu_type_fix
4484 (gnu_type_fix): implement various pre-processor guards around
4485 standard types so these types can be defined over and over
4486 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
4487 types alluded to above will have GNU-compliant base types
4488 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
4489 * fixinc/inclhack.def: add test_text entries and utilize the new
4490 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
4491 * fixinc/fixincl.x: regenerate
4493 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4495 * diagnostic.c (vline_wrapper_message_with_location,
4496 v_message_with_file_and_line, v_error_with_file_and_file,
4497 v_error_for_asm, v_warning_for_asm, vfatal,
4498 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
4499 vsorry, verror, vwarning, vpedwarn): Remove.
4500 (diagnostic_for_asm): New function.
4501 (pedwarn, error, warning, pedwarn_with_file_and_line,
4502 error_with_file_and_line, warning_with_file_and_line, sorry,
4503 error_for_asm, warning_for_asm, fatal): Reimplement.
4504 (finish_diagnostic): Clear diagnostic info as well.
4506 2000-07-13 Neil Booth <NeilB@earthling.net>
4508 * c-common.h (flag_digraphs): New.
4509 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
4510 * c-lex.c (yylex): Use flag_digraphs to decide whether to
4513 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
4515 * gcc.c (do_spec_1): Add new %B operator.
4516 (set_input): Prepare for %B.
4518 (link_command_spec): Move up with the other tm.h-
4519 overrideable specs. Factor out the portion conditional on
4520 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
4521 (struct compiler): Just have a single spec string. All users
4523 (default_compilers): Remove unnecessary braces.
4524 (static_specs): Update.
4526 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
4528 (C and assembly specs): Use the new named specs, as appropriate.
4530 * objc/lang-specs.h: Use the new named specs.
4531 Remove unnecessary braces.
4533 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4535 * gcc.c (execute): If a subprocess gets a fatal signal, report
4536 strsignal() of the signal number, and ask for a bug report.
4537 Do not do this for SIGPIPE if there's already been an error.
4539 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
4542 * tradcif.c: Remove.
4544 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4546 * final.c (profile_function): Do not emit profile counters in
4547 the data section, if NO_PROFILE_COUNTERS is defined.
4548 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
4551 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
4552 (FUNCTION_PROFILER): Just emit a call to mcount.
4554 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4556 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
4558 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
4559 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
4560 traditional, lang_chill, or lang_fortran.
4562 * cppfiles.c: #undef strcmp to suppress warning about macros
4563 used without arguments.
4564 (_cpp_execute_include): Use f, not fname, in "No include path"
4566 (_cpp_pop_file_buffer): New function.
4567 * cpplib.c: Don't include <sys/mman.h>.
4568 (cpp_push_buffer): Set line_base and lineno in new buffer.
4569 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
4571 * cpplex.c: Move all prototypes and structure declarations to the
4572 top of the file. Properly parenthesise some macro arguments.
4573 (cpp_scan_line): New function.
4574 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
4575 don't need to walk up the stack counting.
4577 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4579 * c-common.c (combine_strings): Emit a pedantic warning when a
4580 string length is greater than the minimum ANSI C is required
4583 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
4585 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
4586 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
4588 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4590 * c-decl.c (define_label): Warn about identifier conflicts with
4591 labels in traditional C.
4593 * c-parse.in (unop +): Warn about the unary plus operator for
4596 * c-typeck.c (store_init_value): Warn about automatic aggregate
4597 initialization for traditional C.
4599 * invoke.texi (-Wtraditional): Document new warnings.
4601 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4603 * Makefile.in (c-errors.o): Fix thinko in dependency.
4605 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4607 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
4608 -traditional, -ftraditional, or -traditional-cpp was given.
4609 Do not pass -traditional to the preprocessor.
4610 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
4611 preprocessor does it automatically.
4612 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
4614 * ch/lang-specs.h: Always use tradcpp. Do not pass
4615 -traditional, -trigraphs, or -pedantic to the preprocessor.
4616 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
4619 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4621 * cppexp.c (LOGICAL): Delete macro.
4622 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
4625 * cpphash.c (HASHSIZE): Increase to 4096.
4626 (struct hashdummy): Add hash field.
4627 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
4628 the string values using memcmp.
4629 (cpp_lookup): Set dummy.hash.
4631 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
4633 * configure.in (m88k-openbsd): Express configuration using new fragment
4635 * configure: Rebuilt.
4636 * m88k/aout-dbx.h: New.
4637 * m88k/openbsd.h: New.
4638 * m88k/xm-openbsd.h: New.
4640 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4642 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
4644 2000-07-12 Richard Henderson <rth@cygnus.com>
4646 * reload.c (push_secondary_reload): Make sure to add the new
4647 reload at the end, after acquiring secondary memory.
4649 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4651 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
4653 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
4654 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
4656 * c-parse.in (stmt): Delete unused variables.
4658 * convert.c (convert_to_vector): Likewise.
4660 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
4662 * tree.c (finish_vector_type): Prototype.
4664 2000-07-12 Bruce Korb <bkorb@gnu.org>
4666 * fixinc/fixfixes.c: use xmalloc
4667 * fixinc/fixincl.c(initialize): set program name for xmalloc
4668 * fixinc/fixlib.c(must_malloc): obsolete
4669 (is_cxx_header): no longer used - disabled
4670 (skip_quote): inserted and disabled for future use
4671 * fixinc/fixlib.h: reflects above
4672 * fixinc/fixtests.c: removed dinkleberries
4674 2000-07-12 Neil Booth <NeilB@earthling.net>
4676 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
4677 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
4679 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
4680 struct toklist_dummy): New.
4681 (cpp_free_definition): Free macros with free_macro.
4682 (count_params): Don't save paramter spellings. Save macro
4683 information in a struct macro_info.
4684 (parse_define): Don't allocate a token list.
4685 (save_expansion): Allocate the macro's token list, and
4686 save parameter spellings if necessary. Use TOKEN_SPELL.
4687 (cpp_create_definition): Make list const.
4689 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4691 * c-typeck.c (pedwarn_c99): Move to
4692 * c-errors.c: ... Here.
4693 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
4694 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
4695 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
4696 (c-errors.o): List dependency.
4698 2000-07-12 Mark Mitchell <mark@codesourcery.com>
4700 * c-parse.c: Remove.
4701 * c-parse.h: Likewise.
4702 * c-parse.y: Likewise.
4703 * objc/objc-parse.c: Likewise.
4704 * objc/objc-pasre.y: Likewise.
4706 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
4708 * gcc.texi: Fix minor typos
4709 * extend.texi: Fix minor typos
4711 2000-07-11 Marc Espie <espie@openbsd.org>
4713 * collect2.c (main): Recognize .lo as object files.
4715 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4717 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
4720 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
4721 with MAP_ANONYMOUS and MAP_ANON.
4722 * configure, config.in: Rebuilt.
4724 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4726 * diagnostic.c (save_output_state): Remove.
4727 (restore_output_state): Likewise.
4728 (clear_text_info): New function.
4729 (clear_diagnostic_info): Likewise.
4730 (output_text_length, is_starting_newline, output_prefix,
4731 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
4732 prefixing_policy, output_buffer_ptr_to_format_args): New macros
4733 (set_real_maximum_length, output_set_maximum_length,
4734 output_set_prefix, output_get_prefix, output_set_maximum_length,
4735 output_destroy_prefix, init_output_buffer,
4736 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
4737 output_add_newline, output_add_character, output_add_space,
4738 output_append_r, output_append, wrap_text, output_format,
4739 output_do_printf, output_printf, output_do_verbatim,
4740 output_verbatim, verbatim): Use them.
4741 (output_clear): Split into cleat_text_info and
4742 clear_diagnostic_info.
4743 (struct output_state): Move to...
4745 * diagnostic.h: ...Here
4746 (struct output_buffer): Adjust.
4748 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
4750 * cpplex.c (parse_name): No longer inline (premature optimization).
4751 (do_pop_context): Fold into pop_context.
4752 (pop_context): Returns int.
4753 (lex_next): Hoist test for end of directive into pop_context.
4754 (push_macro_context): Returns int; takes just reader and token.
4755 Hoist test for excessive nesting to caller.
4756 (push_arg_context): Returns void; takes just reader and token.
4757 Do not call stringify_arg or get_raw_token.
4758 (get_raw_token): Convert tail recursion through push_arg_context
4759 to a loop at this level. Call stringify_arg here if appropriate.
4760 (maybe_paste_with_next): Convert tail recursion to a while loop.
4761 Hoist test of paste_level to caller.
4763 (stringify_arg): Push arg context at beginning.
4764 (cpp_get_token): Split out core into _cpp_get_token. Call
4765 process_directive here. Throw away CPP_PLACEMARKER tokens.
4766 (_cpp_get_token): Convert tail recursion through
4767 push_macro_context to a loop at this level.
4768 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
4769 _cpp_get_raw_token): Use _cpp_get_token.
4770 (_cpp_skip_rest_of_line): Drop the context stack directly; do
4771 not call pop_context.
4772 (_cpp_run_directive): Call lex_next directly.
4774 * cpphash.h: Prototype _cpp_get_token.
4775 * cppexp.c (lex): Use it.
4776 * cpphash.c (parse_define): Use it.
4777 * cpplib.c (get_define_node, do_undef, parse_include,
4778 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
4779 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
4780 parse_ifdef, validate_else): Use it.
4781 (cpp_push_buffer): Tweak error message; abort if anyone tries
4782 to push a buffer while macro expansions are stacked.
4784 2000-07-11 Donn Terry <donnte@microsoft.com>
4786 * cpplex.c (free_macro_args, save_token): Cast arg of free
4787 and/or xrealloc to PTR.
4788 (_cpp_init_input_buffer): Clear all fields of the base context.
4790 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
4792 * gensupport.c (process_rtx): Make rtl checking stop
4793 complaining about the define_insn while it is being
4794 converted from a define_insn_and_split.
4796 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
4798 * config/mips/mips.c (simple_memory_operand): Access the
4799 INTVAL of the address, not it's containing MEM.
4801 2000-07-11 Bruce Korb <bkorb@gnu.org>
4803 * fixinc/fixtests.c(double_slash): obsolete
4804 (else_endif_label): likewise
4805 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
4806 (libc1_ifdefd_memx): correct initial comment
4807 and omit the #if/#endif pair from the memxxx declarations
4808 * fixinc/fixincl.x: regen
4810 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4812 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
4814 2000-07-11 Neil Booth <NeilB@earthling.net>
4818 2000-07-11 Neil Booth <NeilB@earthling.net>
4820 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
4821 (handle_option): Set digraphs according to standard.
4822 Merge OPT_lang_c89 handler with OPT_std_c89.
4824 * cpplex.c: (lex_line, can_paste): Honour digraphs in
4825 accordance with the digraphs flag.
4827 * cpplib.h: (struct cpp_options): New option digraphs.
4829 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
4830 Bruce Korb <bkorb@gnu.org>
4832 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
4833 * fixinc/fixincl.x: Regenerate.
4834 * fixinc/tests/base/testing.h: Add testcase.
4836 2000-07-10 Richard Henderson <rth@cygnus.com>
4838 * config/ia64/ia64.c (got_symbolic_operand): New.
4839 (symbolic_operand, move_operand): Revert 0701 change.
4840 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4841 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
4842 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
4843 split the offset into a 14-bit low part instead of a 13-bit low part.
4844 (load_fptr): Mark the mem as unchanging.
4845 (load_symptr): Use got_symbolic_operand.
4847 2000-07-10 Nick Clifton <nickc@cygnus.com>
4849 * libgcc2.c (next_stack_level): Cast result of computation to
4850 (void **) so that the assignment does not generate a warning.
4852 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
4854 * flags.h : Add new variable flag_single_precision_constant.
4855 * toplev.c (display_help) : Add -fsingle-precision-constant option.
4856 (flag_single_precision_constant): New.
4857 * c-lex.c (yylex): Convert floating point constant to single
4859 * invoke.texi : Add documentation for this new option.
4861 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
4863 * diagnostic.c (output_octal): Second parameter is unsigned.
4864 (output_long_octal): Likewise.
4865 (output_hexadecimal): Likewise.
4866 (output_long_hexadecimal): Likewise.
4867 (output_format): Adjust arguments extraction. Tweak.
4868 (output_verbatim, verbatim): End variable argument list.
4869 (report_diagnostic): Improve documentation.
4871 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
4873 * c-common.h (build_stmt): Declare.
4874 (build_continue_stmt): Likewise.
4875 (build_break_stmt): Likewise.
4876 (build_return_stmt): Likewise.
4878 * c-decl.c (do_case): Rewrite to do what previously done in
4881 * c-semantics.c (build_stmt): Define.
4882 (build_return_stmt): Likewise.
4883 (build_break_stmt): Likewise.
4884 (build_continue_stmt): Likewise.
4885 (build_case_label): Likewise.
4887 * c-parse.in (BREAK): Change to build tree, then generate RTL.
4888 (CONTINUE): Likewise.
4891 (DEFAULT): Likewise.
4893 * c-parse.y: Regenerate.
4894 * c-pasre.c: Likewise.
4896 2000-07-09 Jason Merrill <jason@redhat.com>
4898 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
4900 * tree.h (STRIP_NOPS): Check for error_mark_node.
4901 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
4902 (dwarf2out_*): Remove duplicate declarations.
4904 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
4905 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
4907 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
4909 * diagnostic.c (wrap_text): New function.
4910 (maybe_wrap_text): Likewise.
4911 (output_add_string): Use it.
4912 (output_format): Likewise.
4913 (count_error): Use verbatim instead of notice.
4914 (report_error_function): Likewise. Don't use plain fprintf.
4915 (finish_diagnostic): New function.
4916 (output_do_verbatim): Tweak. Commonalize functionalities in
4917 output_verbatim and verbatim.
4918 (output_verbatim): Adjust.
4919 (verbatim): Likewise.
4920 (report_diagnostic): Define.
4922 * diagnostic.h (report_diagnostic): Prototype.
4924 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
4926 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
4928 2000-07-09 Neil Booth <NeilB@earthling.net>
4930 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
4931 IShspace, ISspace: Update.
4933 * cppinit.c: ISTABLE: Update.
4936 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
4937 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
4938 (skip_block_comment, skip_line_comment, parse_string,
4939 lex_line): Use is_vspace rather than IS_NEWLINE.
4940 (skip_whitespace, lex_line): Clean up to use is_nvspace.
4941 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
4943 (lex_next): Unconditionally stop if within a directive.
4944 Treat directives within macro invocations as directives
4945 (after parse_args emits error), not as the argument.
4947 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
4949 * diagnostic.c (diagnostic_args): New macro.
4950 (diagnostic_msg): Likewise.
4951 (output_formatted_integer): Likewise.
4952 (output_state): New data type.
4953 (digit_buffer): Make global.
4954 (output_add_integer): Rename to output_decimal. Squeeze
4956 (output_long_decimal, output_unsigned_decimal,
4957 output_long_unsigned_decimal, output_octal, output_long_octal,
4958 output_hexadecimal, output_long_hexadecimal): New functions.
4959 (output_append_r): New function.
4960 (output_append): Tweak.
4961 (output_flush_on): Rename to output_to_stream.
4962 (output_format): Change prototype. Improve documentation. Handle
4963 more format specifiers.
4964 (build_location_prefix): Rename to context_as_prefix.
4965 (output_notice): Rename to output_do_printf.
4966 (output_printf): Tweak.
4967 (line_wrapper_printf): Likewise.
4968 (vline_wrapper_message_with_location): Adjust call to renamed
4970 (v_message_with_decl): Likewise.
4971 (default_print_error_function): Likewise.
4972 (save_output_state): New function.
4973 (restore_output_state): Likewise.
4974 (output_do_verbatim): Likewise.
4975 (output_verbatim): Define.
4976 (verbatim): Likewise.
4978 * diagnostic.h (printer_fn): Change return type from void to int.
4979 Improve documentation.
4980 (output_add_integer): Rename to output_decimal.
4981 (output_flush_on, output_format): Don't export.
4982 (output_verbatim, verbatim): Declare.
4984 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
4986 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
4987 Check whether c divides op1 exactly if operation is not
4990 2000-07-08 Richard Henderson <rth@cygnus.com>
4992 * final.c (final): Do not abort when reg-stack introduces
4995 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
4997 * cpplib.h (struct cpp_name): Now struct cpp_string.
4998 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
4999 CPP_HEADER_NAME): Change to type S.
5000 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
5001 field, a cpp_hashnode *. All references to val.name updated
5002 to use val.str or val.node as appropriate.
5003 (struct cpp_reader): Add spec_nodes field.
5004 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
5006 * cpphash.h (struct spec_nodes): New.
5007 (enum spell_type): Reorder. Only SPELL_STRING tokens use
5008 val.str. All references to 'spelling > SPELL_NONE' updated to
5011 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
5012 pfile->buffer->inc are not NULL before dereferencing them.
5014 * cpplex.c (parse_name): Take a pointer to the current token,
5015 plus current position and limit as args; return the new
5016 position; don't copy the text of a name into the string
5017 buffer, instead call cpp_lookup and store the node pointer.
5018 If extending a token, copy out the text of the old into a
5019 scratch buffer, append the new, look that up and store the new
5020 node pointer. Inline.
5021 (maybe_paste_with_next): If the result of paste is a NAME,
5022 then look up the pasted text and store its node pointer.
5023 (lex_line): Adjust for new parse_name interface.
5024 Check for L"str", L'str' using spec_nodes->n_L.
5025 (spell_token): SPELL_IDENT tokens have their spelling in
5026 val.node->name. Handle SPELL_STRING tokens that don't have
5028 (_cpp_expand_name_space,
5029 (can_paste): Check for L ## "str" using spec_nodes->n_L.
5030 (cpp_get_token, special_symbol): No need to call cpp_lookup.
5031 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
5032 return 1=equal 0=not, not a tristate.
5034 * cpphash.c (var_args_str): Delete.
5035 (find_param): Compare node fields directly.
5036 (is__va_args__): Use CPP_PEDANTIC. Just compare
5037 token->val.node with spec_nodes->n__VA_ARGS__.
5038 (dump_funlike_macro): Don't use var_args_str.
5040 * cpplib.c (_cpp_check_directive): Just walk through
5041 spec_nodes->dirs comparing pointers.
5042 (get_define_node, do_pragma_poison, detect_if_not_defined,
5043 parse_ifdef): The identifier has already been looked up.
5044 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
5046 (do_if): Only call detect_if_not_defined at beginning of file.
5047 (_cpp_parse_assertion): Only copy string pointers for
5048 SPELL_STRING tokens.
5049 (pragma_dispatch): Take a node pointer and examine its name
5051 (_cpp_init_stacks): Also initialize the spec_nodes structure.
5053 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
5055 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
5056 reverse order from the corresponding _cpp_init_* routines.
5058 * cppexp.c (parse_number, parse_charconst, parse_defined,
5059 lex): Check val.node->type instead of calling cpp_defined.
5060 Use spec_nodes entries where appropriate.
5062 * fix-header.c, scan-decls.c: Update for interface changes.
5064 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
5066 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
5067 emitting aux_truncdfsf2.
5069 2000-07-03 Donn Terry (donnte@microsoft.com)
5071 * cppinit.c (print_help): split overlong line into ISO C89
5074 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
5076 * cppexp.c: Update all code for new lexer interface.
5077 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
5078 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
5079 * cpplex.c (token_names): Trim leading CPP_ from names; make
5080 the strings unsigned.
5081 (_cpp_spell_operator): New.
5082 (is_macro_disabled): Disable all macros if rescanning
5084 (_cpp_get_directive_token): Remove.
5086 * cppinit.c: Don't set no_macro_expand.
5087 * cpplib.c (read_line_number, do_line): Check only for EOF,
5089 * cpphash.h: Update prototypes.
5090 * cpplib.h (CPP_VSPACE): Remove.
5091 (struct cpp_reader): Remove no_macro_expand.
5093 2000-07-08 Neil Booth <NeilB@earthling.net>
5095 * cpphash.c (is__va_args__): New function.
5096 (count_params): Fix line reported in error messages. Use
5097 is__va_args__. Don't return ')' on error. Flag GNU style
5098 rest args macro definitions.
5099 (parse_define): Check macro name is not __VA_ARGS__.
5100 (save_expansion): Check identifier in non-varargs-macro is
5101 not __VA_ARGS__. Don't flag GNU_VARARGS.
5102 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
5103 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
5104 than per-token GNU_VARARGS.
5105 * cpplib.h (GNU_VARARGS): Remove.
5106 (GNU_REST_ARGS): New.
5108 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5110 * i386.md (call_pop, call, call_value_pop): Do not set
5111 current_function_uses_pic_offset_table for calls to static
5112 functions or indirect calls.
5114 2000-07-07 Jim Wilson <wilson@cygnus.com>
5116 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
5117 is_predicate_reg, then take max write_count of register pair.
5119 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5121 * tradcpp.c (main): Rename label `include' to `add_include' to
5122 avoid conflicts with variable `include' in traditional C.
5124 2000-07-07 Jakub Jelinek <jakub@redhat.com>
5126 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
5128 2000-07-07 Jakub Jelinek <jakub@redhat.com>
5130 * sibcall.c (uses_addressof): Add INMEM argument, check for
5131 current_function_internal_arg_pointer outside of MEM rtxs in addition
5133 (sequence_uses_addressof): Update caller.
5135 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
5137 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
5140 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5142 * system.h (UNION_INIT_ZERO): New macro for initializing union
5145 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
5147 2000-07-07 Neil Booth <NeilB@earthling.net>
5151 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
5153 * final.c (final): Detect out of bounds array access to
5154 the insn_lengths array.
5156 2000-07-07 Kazu Hirata <kazu@hxi.com>
5158 * fold-const.c (fold): Fix a comment typo.
5160 2000-07-07 Neil Booth <NeilB@earthling.net>
5162 * cpp.texi: Update to new lexer.
5164 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
5166 * tradcpp.c: New file.
5167 * tradcif.y: New file.
5168 * tradcif.c: New generated file.
5170 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
5171 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
5172 dependencies of C. Install tradcpp from install-common, in
5175 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
5177 * cppinit.c: Include cppdefault.h. Refer to
5178 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
5179 to GCC_INCLUDE_DIR and its length.
5180 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
5181 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
5182 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
5184 (include_defaults_array): Move to cppdefault.c.
5186 * cppdefault.h: New file.
5187 * cppdefault.c: New file.
5189 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
5190 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
5191 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
5194 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5196 * reload.c (push_reload): When seeing if can reuse a register,
5197 check extra registers against widest of INMODE and OUTMODE.
5199 2000-07-06 Neil Booth <NeilB@earthling.net>
5201 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
5202 based on full length of predicate.
5204 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
5206 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
5207 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
5209 2000-07-05 Kazu Hirata <kazu@hxi.com>
5211 * h8300-proto.h: Fix formatting.
5212 * h8300.c: Likewise.
5213 * h8300.h: Likewise.
5215 2000-07-05 Jim Wilson <wilson@cygnus.com>
5217 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
5220 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
5222 * invoke.texi: Fix minor typos
5223 * md.texi: Fix minor typos
5225 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
5227 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
5229 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
5231 * cpplex.c: Don't include sys/mman.h.
5232 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
5234 * cpplib.c: Include sys/mman.h and obstack.h.
5235 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
5237 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
5238 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
5239 bother freeing if stack entries (they will be freed with their buffer).
5240 (do_endif): Free if stack entries from the buffer obstack.
5241 (push_conditional): Allocate if stack entries from the buffer obstack.
5243 (find_answer): Rename to _cpp_find_answer.
5244 (do_assert, do_unassert): Update.
5246 * cpphash.h: Update prototypes.
5247 (xobnew): New convenience macro.
5248 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
5250 (struct cpp_hashnode): Remove disabled field.
5252 * cppinit.c: Don't include hashtab.h or splay-tree.h.
5253 (report_missing_guard): Moved to cppfiles.c.
5254 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
5256 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
5257 cpp_cleanup_includes. Don't destroy hashtab or
5258 all_include_files here.
5259 (cpp_finish): Use _cpp_report_missing_guards.
5261 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
5262 (_cpp_init_include_table): Rename _cpp_init_includes.
5263 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
5265 * cppexp.c (parse_assertion): Update for new name of
5268 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
5270 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
5272 * cpplib.c (do_ident): s/VSPACE/EOF/
5274 2000-07-05 Neil Booth <NeilB@earthling.net>
5276 * cpplex.c: Fix trigraph replacement within strings.
5278 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5280 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
5282 * xcoffout.c (assign_type_number): Constify.
5283 (xcoffout_source_file): Add static prototype. Don't needlessly
5284 cast away const-ness.
5286 2000-07-04 Jason Merrill <jason@redhat.com>
5288 * frame.h (frame_state): Move base_offset to end.
5290 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
5292 * calls.c (emit_library_call_value_1): Revert previous change.
5294 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
5296 * fix-header.c (struct partial_proto): Remove unnecessary fields.
5297 (recognized_extern, recognized_function, read_scan_file):
5298 Update for new scheme.
5299 (check_protection): It's still a multiple include guard even
5300 if it doesn't always trigger.
5301 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
5303 * scan.h: Declare struct cpp_token. Update prototypes.
5305 2000-07-03 Neil Booth <neilb@earthling.net>
5306 Zack Weinberg <zack@wolery.cumb.org>
5308 Complete overhaul of the lexer and macro expander.
5310 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
5311 arg, arglist, argdata, reflist, collect_objlike_expansion,
5312 collect_funlike_expansion, collect_params,
5313 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
5314 unsafe_chars, macarg, compare_defs, special_symbol,
5315 scan_arguments, stringify, funlike_macroexpand,
5316 _cpp_quote_string, monthnames): Delete.
5317 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
5318 _cpp_create_definition, _cpp_dump_definition,
5319 dump_hash_helper): Adjust.
5320 (find_param, count_params, parse_define, var_args_str,
5321 check_macro_redefinition, save_expansion): New.
5323 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
5324 parse_string, output_line_command, trigraph_replace,
5325 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
5326 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
5327 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
5328 _cpp_skip_rest_of_line): Modify.
5330 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
5331 find_position, null_warning, bump_column, expand_name_space,
5332 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
5333 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
5334 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
5335 _cpp_prescan): Delete.
5337 (dump_param_spelling, process_directive, lex_next,
5338 is_macro_disabled, stringify_arg, expand_context_stack,
5339 output_token, make_string_token, alloc_number_token,
5340 special_symbol, duplicate_token, maybe_paste_with_next,
5341 can_paste, prevent_macro_expansion, restore_macro_expansion,
5342 get_temp_token, release_temp_tokens, quote_string,
5343 token_names, token_spellings, _cpp_expand_name_space,
5344 _cpp_glue_header_name, _cpp_reserve_name_space,
5345 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
5346 placemarker_token, eof_token, cpp_context, macro_args,
5347 get_raw_token, parse_arg, parse_args, save_token,
5348 push_arg_context, push_macro_context, pop_context,
5349 do_pop_context, free_macro_args, _cpp_get_line,
5350 _cpp_run_directive): New.
5352 * cpplib.c (validate_else, parse_include, push_conditional,
5353 pass_thru_directive, read_line_number, parse_ifdef,
5354 detect_if_not_defined, _cpp_check_directive, do_define,
5355 do_undef, do_include, do_import, do_include_next, do_error,
5356 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
5357 top_pragmas, do_pragma_gcc, do_pragma_implementation,
5358 do_pragma_poison, do_pragma_system_header,
5359 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
5360 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
5361 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
5362 cpp_defined): Update for new scheme.
5363 (strtoul_for_line, get_define_node, dump_macro_name,
5364 _cpp_check_linemarker, _cpp_parse_assertion): New.
5365 (_cpp_handle_directive, do_pragma_default): Delete.
5367 * cpphash.h (struct predicate): Now struct answer.
5368 (enum spell_type, struct token_spelling, struct directive,
5369 directive_handler): New.
5370 Update prototypes. Remove unused macros.
5371 * cpplib.h: Update prototypes. Remove unused macros,
5372 structure definitions, and fields.
5374 * cpperror.c (print_containing_files, v_message): Adjust.
5375 * cppexp.c (parse_assertion, lex, parse_escape,
5376 _cpp_parse_expr): Adjust.
5377 * cppfiles.c (open_include_file, _cpp_execute_include,
5378 _cpp_compare_file_date, cpp_read_file, read_include_file):
5380 * cppinit.c (dump_special_to_buffer): Delete.
5381 (append_include_chain, merge_include_chains, cpp_reader_init,
5382 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
5383 cpp_finish, handle_option, print_help): Adjust.
5384 * cppmain.c (main): Adjust.
5386 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
5388 * cppspec.c (lang_specific_driver): Use double quotes in error
5391 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
5393 * calls.c (emit_library_call_value_1): Use valreg instead
5394 of hard_libcall_value.
5396 2000-07-03 Geoff Keating <geoffk@cygnus.com>
5398 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
5399 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
5400 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
5408 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
5409 mode instead of wider_mode is being used.
5411 2000-07-03 Jakub Jelinek <jakub@redhat.com>
5413 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
5414 of 'r'. Use q_regs_operand.
5415 (andsi_1+2): Use q_regs_operand.
5417 2000-07-03 Jakub Jelinek <jakub@redhat.com>
5419 * builtins.c (get_memory_rtx): Always put into alias set 0.
5421 2000-07-03 Nick Clifton <nickc@cygnus.com>
5423 * config/arm/arm.md: Fix post increment and pre increment
5424 peepholes so that they do not generate UNPREDICATBLE opcodes.
5425 (ie ones where the increment clobbers the source/destination).
5427 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
5429 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
5430 change too big for -mtiny-stack" a warning, if larger than 63.
5431 (out_set_stack_ptr): Change the logic so -mno-interrupts is
5432 always safe to use on possible future devices.
5433 (function_prologue): Write SPH before SPL, for consistency.
5434 If interrupt_func_p true, we know we have enabled interrupts.
5435 (avr_num_arg_regs): New function. Round up to even number of
5436 bytes if no -mpack-args or if calling a libgcc function.
5437 (function_arg, function_arg_advance): Use it.
5438 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
5439 Output "movw" if available.
5440 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
5441 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
5442 (asm_output_section_name): Add blanks for consistent output.
5443 (encode_section_info): Set TREE_READONLY for progmem data to
5444 avoid gas warnings about changed section attributes.
5445 (avr_hard_regno_mode_ok): Force non-QImode data to start in
5446 even numbered registers on devices with "movw".
5447 * config/avr/avr.h (MASK_*): Define bits for target_flags.
5448 (TARGET_SWITCHES): Mark help strings for translation.
5449 Add new -mpack-args and -menhanced switches.
5450 (TARGET_OPTIONS): Mark help strings for translation.
5451 (progmem_section): Add section attributes.
5452 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
5453 Output "movw" if available.
5454 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
5456 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
5457 call convention (arguments aligned on even registers).
5458 (_cleanup, _exit): Make weak symbols libc can override.
5460 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5462 * fp-bit.h: New file.
5464 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
5465 Comment #endif statements.
5466 (__thenan_sf, __thenan_df): Add missing braces around initializer.
5468 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
5470 * gcse.c (compute_pre_data): Compute ae_kill using other local
5471 properties instead of calling compute_ae_kill.
5473 * alias.c (init_alias_analysis): Do not call
5474 prologue_epilogue_contains until after reload has completed.
5476 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
5478 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
5479 (genrtl_finish_compound_stmt): Likewise.
5480 (genrtl_compound_stmt): Change to return void.
5482 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
5483 move code from here to ...
5484 (genrtl_compound_stmt): ... here.
5485 (genrtl_finish_compound_stmt): Remove.
5486 (expand_stmt): Add comment.
5488 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
5490 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
5493 2000-07-02 Jakub Jelinek <jakub@redhat.com>
5495 * cpplib.h (struct cpp_reader): New field include_depth.
5496 (struct cpp_printer): Rename last_bsd to last_id.
5497 * cppfiles.c (read_include_file): Bump include_depth.
5498 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
5499 (output_line_command): Output correct #line if a header
5500 is including itself and is not protected against multiple inclusion.
5501 Use include_depth instead of buffer_stack_depth, last_id instead of
5503 * cppinit.c (cpp_start_read): Initialize last_id instead of
5506 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
5508 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
5509 (c-semantics.o): New target.
5511 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
5512 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
5513 (genrtl_clear_out_block): Likewise.
5514 (genrtl_goto_stmt): Likewise.
5515 (genrtl_expr_stmt): Likewise.
5516 (genrtl_decl_stmt): Likewise.
5517 (genrtl_if_stmt): Likewise.
5518 (genrtl_while_stmt): Likewise.
5519 (genrtl_do_stmt): Likewise.
5520 (genrtl_return_stmt): Likewise.
5521 (genrtl_for_stmt): Likewise.
5522 (genrtl_break_stmt): Likewise.
5523 (genrtl_continue_stmt): Likewise.
5524 (genrtl_scope_stmt): Likewise.
5525 (genrtl_switch_stmt): Likewise.
5526 (genrtl_case_label): Likewise.
5527 (genrtl_begin_compound_stmt): Likewise.
5528 (gerntl_finish_compound_stmt): Likewise.
5529 (genrtl_compound_stmt): Likewise.
5530 (genrtl_asm_stmt): Likewise.
5531 (genrtl_decl_cleanup): Likewise.
5532 (DECL_ANON_UNION_ELEMS): Likewise.
5533 (emit_local_var): Likewise.
5534 (make_rtl_for_local_static): Likewise.
5535 (expand_cond): Likewise.
5536 (expand_stmt): Likewise.
5537 (c_expand_return): Likewise.
5538 (c_expand_start_case): Likewise.
5539 (do_case): Likewise.
5540 (COMPOUND_STMT_NO_SCOPE): Likewise.
5541 (c_expand_asm_operands): Likewise.
5542 (NEW_FOR_SCOPE_P): New macro.
5543 (expand_expr_stmt_fn): New type.
5545 (set_current_function_name_declared): Likewise.
5546 (current_function_name_declared): Likewise.
5547 (lang_expand_stmt): Likewise.
5548 (stmts_are_full_exprs_p): Likewise.
5549 (anon_aggr_type_p): Likewise.
5550 (lang_expand_expr_stmt): Likewise.
5551 (build_case_label): Likewise.
5553 * c-decl.c (lang_expand_expr_stmt): Initialize.
5554 (stmts_are_full_exprs_p): Define.
5555 (current_function_name_declared): Likewise.
5556 (do_case): Likewise.
5557 (lang_expand_stmt): Likewise.
5558 (set_current_function_name_declared): Likewise.
5559 (anon_aggr_type_p): Likewise.
5561 * c-semantics.c: New file.
5562 (expand_cond): Moved from cp/semantics.c.
5563 (genrtl_do_pushlevel): Likewise.
5564 (genrtl_clear_out_block): Likewise.
5565 (genrtl_goto_stmt): Likewise.
5566 (genrtl_expr_stmt): Likewise.
5567 (genrtl_decl_stmt): Likewise.
5568 (genrtl_if_stmt): Likewise.
5569 (genrtl_while_stmt): Likewise.
5570 (genrtl_do_stmt): Likewise.
5571 (genrtl_return_stmt): Likewise.
5572 (genrtl_for_stmt): Likewise.
5573 (genrtl_break_stmt): Likewise.
5574 (genrtl_continue_stmt): Likewise.
5575 (genrtl_scope_stmt): Likewise.
5576 (genrtl_switch_stmt): Likewise.
5577 (genrtl_case_label): Likewise.
5578 (genrtl_begin_compound_stmt): Likewise.
5579 (genrtl_finish_compound_stmt): Likewise.
5580 (genrtl_compound_stmt): Likewise.
5581 (genrtl_asm_stmt): Likewise.
5582 (genrtl_decl_cleanup): Likewise.
5583 (make_rtl_for_local_static): Moved from cp/decl.c.
5584 (emit_local_var): Likewise.
5585 (expand_stmt): Define.
5587 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
5588 (c_expand_return): Likewise.
5589 (c_expand_start_case): Likewise.
5591 2000-07-01 Richard Henderson <rth@cygnus.com>
5593 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
5594 with the low 13 bits set.
5595 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
5596 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
5597 of the low 13 bits into a CONST plus an adddi3.
5598 (load_symptr): Set RTX_UNCHANGING_P.
5600 See ChangeLog.3 for earlier changes.