1 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
3 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
4 gas_output_limited_string, gas_output_ascii, output_movqi,
5 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
6 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
7 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
8 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
9 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
10 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
11 Add "const" as needed to remove warnings.
13 * config/avr/avr.c (avr_override_options, avr_init_once,
14 function_prologue, function_epilogue, frame_pointer_required_p,
15 class_likely_spilled_p, order_regs_for_local_alloc,
16 avr_address_cost, avr_ret_register): Use K&R style arguments.
17 (initial_elimination_offset, gas_output_limited_string):
18 Remove ATTRIBUTE_UNUSED from the used arguments.
19 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
20 Use local variables src, dest, base to access operands[].
21 Rename reg_dest to reg_src if that's what it is.
22 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
23 constants to LD_REGS if reg_was_0.
24 (output_reload_insisf): Change arg 3 to insn length and set it.
25 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
26 access to 16-bit I/O register pairs.
27 (avr_address_cost): Lower cost for the above case.
28 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
29 may be clobbered, also for LD_REGS.
30 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
33 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
35 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
36 macro to test_hard_reg_class function.
37 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
38 for loading immediate constants to LD_REGS.
39 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
42 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
44 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
45 * config/avr/libgcc.S: Lost part of the previous patch.
47 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
49 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
50 object before calling pthread_mutex_init.
52 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
54 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
55 config/sh/crtn.asm: New files.
56 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
57 (crt1.o, crti.o, crtn.o): New targets.
58 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
61 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
62 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
63 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
64 Undefine for config/elfos.h to redefine.
65 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
67 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
69 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
70 legitimize_pic_address, output_pic_addr_const): Declare.
71 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
72 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
73 (TARGET_SWITCHES): New switch -mprefergot.
74 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
75 (PIC_OFFSET_TABLE_REGNUM): Define.
76 (GOT_SYMBOL_TABLE): Likewise.
77 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
78 (ENCODE_SECTION_INFO): Define.
79 (FINALIZE_PIC): New macros.
80 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
81 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
82 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
83 (prepare_move_operands): Call emit_pic_move or
84 emit_pic_const_move if appropriate.
85 (output_far_jump): For PIC, use braf and output long offset.
86 (machine_dependent_reorg):
87 (sh_expand_prologue): Save and initialize the PIC register.
88 (sh_expand_epilogue): Restore it.
89 (initial_elimination_offset): Account for it.
90 (nonpic_symbol_mentioned_p): New function.
91 (legitimize_pic_address): Likewise.
92 (output_pic_addr_const): Likewise.
93 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
94 (call, call_value): Use them.
95 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
96 symPLT_label2reg): New expands.
97 * invoke.texi (SH Options): Document -mprefergot.
99 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
101 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
102 * gcse.c (hash_string_1): New function.
103 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
104 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
105 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
106 (canon_hash_string): New function.
107 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
108 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
109 (fold_rtx): Use ASM_OPERANDS accessor macros.
110 * emit-rtl.c (copy_insn_1): Likewise.
111 * integrate.c (copy_rtx_and_substitute): Likewise.
112 * stmt.c (expand_asm_operands): Likewise. Give an
113 ASM_OPERANDS rtx the mode of the output reg being set from it.
115 2000-09-01 Fred Fish <fnf@be.com>
117 * fix-header.c (write_rbrac): Add putc and getc to list of
118 functions to protect against prior definition as a macro.
120 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
122 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
123 (c_size_type_node): Define.
124 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
125 * c-common.c (enum format_lengths, enum format_std_version,
126 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
127 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
128 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
129 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
130 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
131 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
132 format_types): Define.
133 (format_char_info, print_char_table, scan_char_table,
134 time_char_table): Rearrange for new organization of information
135 about format length modifiers and standard versions.
136 (T_ST): Redefine to use c_size_type_node.
137 (check_format_info): Obtain information about length modifiers and
138 standard versions from tables. Adjust warning message wordings.
139 Use the name from the user's program for `ll' and `hh' length
140 modifiers in warning messages. Use more informative names for
141 wanted types where available (for wchar_t, wint_t, size_t, signed
142 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
144 2000-09-01 Jim Wilson <wilson@cygnus.com>
146 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
147 * combine.c (distribute_notes): Handle REG_NORETURN.
148 * rtl.c (reg_note_name): Add REG_NORETURN.
149 * rtl.h (enum reg_note): Likewise.
151 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
153 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
154 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
155 (emit_predicate_relation_info): Handle conditional calls with
157 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
158 instead of ia64_file_start.
159 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
160 * config/ia64/ia64.md (safe_across_calls_all,
161 save_across_calls_normal): New patterns.
163 * loop.c (check_final_value): Check for biv use before checking for
164 giv use. Check for both biv and giv uses. Always set last_giv_use
165 if there is a giv use.
167 2000-09-01 Richard Henderson <rth@cygnus.com>
169 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
173 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
175 * expr.c (clear_storage): Don't use emit_move_insn unless
176 either BLKmode or proper size.
177 (store_constructor): Don't call clear_storage if REG of wrong size.
179 * flow.c (init_propagate_block_info): Don't mark frame dead at end
180 of function if returns wiht stack pointer depressed.
182 2000-09-01 Andrew Haley <aph@redhat.com>
184 * dwarf2out.c (stack_adjust_offset): New function.
185 (dwarf2out_stack_adjust): Break out stack adjust logic into
186 new stack_adjust_offset function. Look inside parallels and
187 sequences for stack adjustments.
189 2000-08-31 Jeff Law <law@cygnus.com>
191 * arm.md: Use no_new_pseudos to determine when it is safe
192 to create new pseudo registers.
194 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
195 when we can safely allocate new registers.
197 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
199 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
200 so that CONCATs are not generated for ASMs.
201 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
202 not generating_concat_p.
203 * function.c (pop_function_context_from): Reset
205 (prepare_function_start): Likewise.
206 * rtl.c (generating_concat_p): Define.
207 * rtl.h (generating_concat_p): Declare.
208 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
210 2000-08-22 Philipp Thomas <pthomas@suse.de>
211 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
213 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
216 2000-08-30 Greg McGary <greg@mcgary.org>
218 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
219 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
220 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
222 2000-08-30 Greg McGary <greg@mcgary.org>
224 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
225 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
226 (TREE_INT_CST): New macro.
227 * varasm.c (const_hash, compare_constant_1, record_constant_1):
228 Use new macro TREE_INT_CST.
230 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
232 * contrib.texi: Add self.
234 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
236 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
237 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
240 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
242 * fixinc/gnu-regex.c: Don't define `const'.
244 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
246 * expr.c (store_constructor): Allow variable bounds of array type.
247 (expand_expr): Don't blow up if type is ERROR_MARK.
248 * varasm.c (output_constructor): Don't access lower bound of array
249 type unless need it if index is supplied (so it can be a variable
250 if no index is supplied).
251 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
252 Other minor cleanups.
254 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
256 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
257 for compilations in stage 1 and subsequent stages, respectively.
258 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
259 * configure: Rebuilt.
260 * x-vax, x-vax-gcc: Deleted.
262 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
264 * c-common.c (declare_function_name): Use func_id_node,
265 function_id_node, and pretty_function_id_node. Do not make
266 __func__ visible at file scope.
267 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
268 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
269 (function_id_node, pretty_function_id_node, func_id_node): New
271 * c-decl.c (init_decl_processing): Initialize function_id_node,
272 pretty_function_id_node, and func_id_node.
273 (c_make_fname_decl): Correct comment.
275 * tree.h (struct tree_identifier): Constify pointer member.
277 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
278 * c-pragma.h (struct weak_syms): Constify name and value members.
279 (add_weak): Constify arguments.
281 * calls.c (special_function_p): Constify a char *.
282 (expand_call): Remove variable which is initialized and then
284 * dependence.c (struct def_use, struct induction, struct subscript):
285 Constify 'variable' member.
286 (get_low_bound, have_induction_variable): Constify char * argument.
287 (find_induction_variable): Add braces to avoid dangling else.
288 (classify_dependence): Constify char * arrays.
289 * profile.c (output_func_start_profiler): Constify a char *.
290 * stor-layout.c (finalize_record_size): Constify a char *.
291 * tree.c (is_attribute_p): Constify a char *.
292 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
294 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
295 for comprehensibility. Do not call get_identifier if we did
296 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
297 create temporary string constants, not ggc_alloc_string. No
298 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
299 char * to hold IDENTIFIER_POINTERs.
301 2000-08-29 Richard Henderson <rth@cygnus.com>
303 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
306 2000-08-29 Richard Henderson <rth@cygnus.com>
308 * reload.c (push_secondary_reload): Allow class == reload_class
309 if we're using a reload_in/out pattern.
311 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
312 the half that does not conflict with the reload register.
313 (reload_outti): Likewise.
315 2000-08-29 Kazu Hirata <kazu@hxi.com>
317 * reload.c: Fix formatting.
319 * stmt.c: Fix formatting.
321 * gcc.c: Fix formatting.
323 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
325 * flags.h (time_report, mem_report): New global flags.
326 * toplev.c: Define time_report and mem_report.
327 (f_options): Add -ftime-report and -fmem-report.
328 (compile_file): Turn on time_report if quiet_flag is off.
329 Call ggc_print_statistics at very end if mem_report is on.
330 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
332 * ggc-common.c (ggc_print_statistics): Rename to
333 ggc_print_common_statistics; all callers changed. Scale
334 quantities above 10K to kilobytes and above 10M to megabytes.
335 * ggc-page.c (ggc_page_print_statistics): Rename to
336 ggc_print_statistics. Report memory consumed by internal data
337 structures for each allocation bucket. Scale quantities above
338 10K to kilobytes and above 10M to megabytes.
339 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
340 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
341 Define tally_leaves always.
342 (ggc_print_statistics): New function.
343 * ggc.h: Adjust for renamed functions.
345 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
347 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
348 output_movsisf instead of which_alternative.
350 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
352 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
354 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
355 (avr_progmem_p): New prototype.
356 (output_movsisf): Prototype declaration changed.
357 (output_movqi): New prototype.
358 (output_movhi): New prototype.
359 (call_insn_operand): Likewise.
360 (final_prescan_insn): Likewise.
361 (avr_simplify_comparision_p): Likewise.
362 (avr_normalize_condition): Likewise.
363 (compare_eq_p): Likewise.
364 (out_shift_with_cnt): Likewise.
365 (const_int_pow2_p): Likewise.
366 (output_reload_inhi): Prototype declaration changed.
368 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
369 (ldi_reg_rtx): New. rtx for r31.
370 (avr_init_stack): Initialize as "__stack".
371 (function_prologue): Use it.
372 Replace all TARGET_ENHANCED with AVR_ENHANCED.
373 (avr_mcu_name): Initialize as "avr2".
374 (avr_enhanced_p, avr_mega_p): New variables.
375 (mcu_types, avr_override_options): Handle all known MCU types.
376 Also handle avr1 (only preprocess, assemble and link).
377 (print_operand): Using of `%K' in output template removed.
378 (out_movqi_r_mr): Optimized.
379 (out_movhi_r_mr): Likewise.
380 (output_movqi): New function.
381 (output_movhi): Likewise.
382 (out_movsi_r_mr): Optimized.
383 (output_movsisf): Compute insn length for `adjust_insn_length'
384 (out_movqi_mr_r): Optimized.
385 (out_movhi_mr_r): Optimized.
386 (adjust_insn_length): Use output_movsisf, output_movqi,
387 output_movhi for insn length adjusting.
388 (reg_unused_after): Use dead_or_set_p.
389 (preferred_reload_class): Now havn't any restriction.
390 (reg_was_0): New function.
391 (io_address_p): Likewise.
392 (const_int_pow2_p): Likewise.
393 (output_reload_inhi): Likewise.
394 (output_reload_insisf): Likewise.
396 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
397 (LIB_SPEC): Use -lc for all supported devices.
398 (LIBGCC_SPEC): Use -lgcc for all supported devices.
399 (AVR_MEGA): Define as avr_mega_p.
400 (AVR_ENHANCED): New, define as avr_enhanced_p.
401 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
402 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
403 (CRT_BINUTILS_SPECS): Handle all known MCU types.
404 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
405 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
406 (ASM_SPEC): Pass -mmcu=... to the assembler.
407 Change all -DAVR_* to -D__AVR_*__.
408 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
409 Rename library functions to start with two underscores.
410 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
412 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
413 (SUPPORTS_WEAK): Likewise.
414 (LDI_REG_REGNO): New. Register r31 will be used as temporary
415 register for loading constants to r0-r14.
417 * config/avr/avr.md: Replace all TARGET_ENHANCED with
419 (*mov_r_sp): Removed. Handled by output_movhi.
420 (*mov_sp_r): Likewise.
421 (*mov_sp_r_no_interrupts): Likewise
422 (*mov_sp_r_tiny): Likewise.
423 (*movqi): Use output_movqi.
425 (*movhi): Use output_movhi.
427 (*negsi2): Optimized.
429 Added peepholes (define_peephole2) for loading constants to r0-r14
430 and for using `cpse' command.
432 * config/avr/libgcc.S: Rename library functions to start with two
434 Add support for enhanced core.
435 (_moqhi3): Fix typo, now _modqi3.
436 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
437 (__prologue_saves__): Remove test for stack adjust by 0.
438 (__tablejump__): New.
440 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
441 Add multilib support.
443 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
445 * loop.c (prescan_loop): Don't check unknown_address_altered
446 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
447 to loop_store_mems as necessary.
448 (loop_invariant_p): Don't check unknown_address_altered
449 or unknown_constant_address_altered.
451 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
453 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
455 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
457 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
458 print just the filename.
459 * cpplex.c (_cpp_run_directive): Add additional argument, the
460 name to give the synthetic buffer. This defaults to
461 translated "<command line>".
462 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
464 (_cpp_define_builtin): New function.
465 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
466 * cpphash.h: Update prototypes.
468 * tradcpp.c (main): Process -D and -U simultaneously, in the
469 order they appeared on the command line.
471 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
473 * c-decl.c (define_label): Call warning_with_file_and_line and
474 error_with_file_and_line instead of plain warning or error.
476 * c-parse.in (label): Use save_filename/save_lineno to ensure
477 correct values for calls to define_label.
479 2000-08-29 Mark Mitchell <mark@codesourcery.com>
481 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
483 * expr.c (expand_expr, case TARGET_EXPR): Don't call
485 * tree.h (get_file_function_name): Remove two duplicate
488 2000-08-28 Kazu Hirata <kazu@hxi.com>
490 * tree.c: Fix formatting.
492 * xcoffout.c: Fix formatting.
494 2000-08-28 Jason Merrill <jason@redhat.com>
496 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
498 2000-08-28 Daniel Berlin <dberlin@redhat.com>
500 * dwarf2out.c (dwarf2out_finish): Don't bother calling
501 break_out_includes if it won't do anything.
503 2000-08-28 Richard Henderson <rth@cygnus.com>
505 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
506 (find_reloads): Likewise.
507 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
508 (reload_inhi): Likewise.
510 2000-08-28 Richard Henderson <rth@cygnus.com>
512 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
513 (call_insn_operand): Don't expect a surrounding mem.
514 (constant_call_address_operand): Likewise.
515 * config/i386/i386.h (PREDICATE_CODES): Update.
516 * config/i386/i386.md (call patterns): Move the match_operand
517 for the call destination inside the mem.
519 2000-08-28 Richard Henderson <rth@cygnus.com>
521 * local-alloc.c (requires_inout): Don't use reserved range for
522 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
523 * recog.c (asm_operand_ok): Likewise.
524 (preprocess_constraints, constrain_operands): Likewise.
525 * regclass.c (record_reg_classes): Likewise.
526 * reload.c (find_reloads): Likewise.
527 * reload1.c (maybe_fix_stack_asms): Likewise.
528 (reload_cse_simplify_operands): Likewise.
529 * stmt.c (expand_asm_operands): Likewise.
531 * md.texi: Update constraints documentation.
532 * tm.texi (EXTRA_CONSTRAINT): Update.
534 2000-08-28 Daniel Berlin <dberlin@redhat.com>
536 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
537 (print_die): If we don't know the offset of the
538 target die, try the symbol. Add a trailing newline.
539 (reverse_all_dies): New fn.
540 (dwarf2out_finish): Call it.
541 (break_out_includes): Reorganize for clarity.
542 (add_sibling_attributes): Don't call reverse_die_lists.
543 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
545 * flags.h: Add flag_eliminate_dwarf2_dups.
546 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
548 2000-08-28 Jason Merrill <jason@redhat.com>
550 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
551 * dwarf2out.c: #include "md5.h".
552 (DIE_LABEL_PREFIX): New macro.
553 (dw_val_struct): Add 'external' flag to val_die_ref.
554 (add_AT_die_ref, AT_ref): Adjust.
555 (AT_ref_external, set_AT_ref_external): New fns.
556 (build_abbrev_table): Call set_AT_ref_external.
557 (value_format): Call AT_ref_external.
558 (die_struct): Add die_symbol field.
560 (dwarf_tag_name): Handle BINCL/EINCL.
561 (dwarf2out_start_source_file): Add BINCL DIE.
562 (dwarf2out_end_source_file): Add EINCL DIE.
563 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
564 (loc_checksum, attr_checksum, die_checksum): New fns.
565 (is_type_die, is_comdat_die, is_symbol_die): New fns.
566 (compute_section_prefix, assign_symbol_names): New fns.
567 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
568 (output_die): Call output_die_symbol and AT_ref_external.
569 (output_comdat_comp_unit): New fn, split out from...
570 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
572 (output_pubnames, output_aranges): Abort if we see entries from
574 * toplev.h: Declare file_name_nondirectory.
575 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
576 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
577 (debug_start_source_file): Call dwarf2out_start_source_file
578 regardless of debug verbosity.
579 (debug_end_source_file): Similarly.
580 * tree.h: Declare clean_symbol_name.
581 * tree.c (clean_symbol_name): Split out from...
582 (get_file_function_name_long): ...here.
584 * dwarf2out.c (new_loc_descr): Use calloc.
585 (splice_child_die): Remove the die from the right parent.
586 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
588 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
590 * toplev.c (decode_g_option): Don't give warning for unknown -g
591 option; return 0 instead.
592 (main): If -g option is not recognized by front end or
593 language-independent code, give warning.
595 2000-08-28 Greg McGary <greg@mcgary.org>
597 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
598 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
599 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
601 2000-08-27 Greg McGary <greg@mcgary.org>
603 * cpplex.c (parse_string): Don't look for backslash
604 before first char in `namebuf'.
605 * loop.c (strength_reduce): Skip NOTEs.
607 2000-08-27 Jason Merrill <jason@redhat.com>
609 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
610 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
611 TREE_ASM_WRITTEN, either.
612 (finish_decl): Adjust.
614 2000-08-28 Philipp Thomas <pthomas@suse.de>
616 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
617 they have been incorporated into the gettext CVS. Change the text to
618 reflect the current status of NLS. Add instructions for accessing
619 the gettext CVS and add the patch from Martin v. Loewis.
621 2000-08-27 Geoff Keating <geoffk@cygnus.com>
623 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
624 by using gen_lowpart_common.
625 (movdi_internal64+6): Likewise.
627 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
629 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
632 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
633 numbers to the ranges used by GDB.
635 2000-08-25 Richard Henderson <rth@cygnus.com>
637 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
638 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
639 (ia64_expand_prologue): Likewise.
640 (ia64_setup_incoming_varargs): Set it. Properly skip the current
641 argument for stdargs.
643 2000-08-25 Jason Merrill <jason@redhat.com>
645 * integrate.c (expand_inline_function): Pull out the original decl.
647 2000-08-25 Jim Wilson <wilson@cygnus.com>
649 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
651 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
653 2000-08-25 Greg McGary <greg@mcgary.org>
655 * flow.c (dump_edge_info): Use ARRAY_SIZE.
656 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
658 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
660 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
662 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
664 * i386.c (ix86_find_base_term): New.
665 * i386-protos.h (ix86_find_base_term): Prototype.
666 * i386.h (FIND_BASE_TERM): Define.
667 * alias.c (find_base_term): Use it.
668 * tm.texi (FIND_BASE_TERM): Document it.
670 * alias.c (true_dependence, write_dependence_p): Unchanging
671 memory can't conflict with non-unchanging memory.
673 * alias.c (memrefs_conflict_p): A BLKmode reference
674 to a symbol (or CONST_INT address) always conflicts
675 with a reference to another symbol.
677 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
679 * c-common.c (time_char_table): Don't allow width and flags with
682 2000-08-25 Jakub Jelinek <jakub@redhat.com>
684 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
685 way as LT and LTU when the second operand has 0 in low word.
687 2000-08-26 Michael Hayes <mhayes@cygnus.com>
689 * basic-block.h (struct loop): Rename `exits' field to
690 `exit_edges'. Add `entry_edges' and `num_entries' fields.
692 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
693 (flow_loop_entry_edges_find): Add.
694 (flow_edge_list_print): Rename from flow_exits_print.
695 (flow_loops_find): Call flow_loop_entry_edges_find.
696 (flow_loop_dump): Dump entry_edges list.
697 (flow_loops_free): Free entry_edges.
699 2000-08-26 Michael Hayes <mhayes@cygnus.com>
701 * loop.c (loop_dump_aux, debug_loop): New functions.
702 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
704 * flow.c (flow_loops_dump): Add callback parameter.
705 (flow_loop_dump): Add callback parameter and call it. Move
706 loop note debugging code to loop_dump_aux.
708 * basic-block.h (flow_loop_dump): Add callback parameter
709 (flow_loops_dump): Likewise.
711 * toplev.c (rest_of_compilation): Add NULL callback function pointer
712 to call to flow_loops_dump.
714 2000-08-26 Michael Hayes <mhayes@cygnus.com>
716 * loop.c (count_loop_regs_set): Replace start and end arguments
717 with loop argument. All callers udated.
719 2000-08-26 Michael Hayes <mhayes@cygnus.com>
721 * loop.c (constant_high_bytes): Delete.
723 2000-08-26 Michael Hayes <mhayes@cygnus.com>
725 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
726 and NOTE_INSN_LOOP_VTOP to...
727 (find_and_verify_loops) ...here.
729 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
731 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
732 (fini_dummy, init_dummy): Use it.
734 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
736 * cpplex.c (is_macro_disabled): Caller has already checked
737 that we're not a preprocessed file.
739 2000-08-24 Mark Mitchell <mark@codesourcery.com>
741 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
742 (c-iterate.o): Remove target.
743 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
744 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
745 (finish_decl): Don't handle iterators.
746 (grokdeclarator): Likewise.
747 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
748 * gcc/c-gperf.h: Regenerated.
749 * gcc/c-iterate.c: Removed.
750 * gcc/c-lex.c (init_lex): Don't handle iterators.
751 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
752 (compstmt_primary_start): Remove push_iterator_stack call.
753 (stmt): Don't allow iterator statements. Replace iterator_expand
754 with expand_expr_stmt.
755 (all_iter_stmt): Remove.
756 (all_iter_stmt_simple): Likewise.
757 (all_iter_stmt_with_decl): Likewise.
758 * gcc/c-tree.h (ITERATOR_P): Remove.
759 (ITERATOR_BOUND_P): Likewise.
760 (init_iterators): Remove declaration.
761 (iterator_expand): Likewise.
762 (iterator_for_loop_start): Likewise.
763 (iterator_for_loop_end): Likewise.
764 (iterator_for_loop_record): Likewise.
765 (push_iterator_stack): Likewise.
766 (pop_iterator_stack): Likewise.
767 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
768 (readonly_warning): Likewise.
769 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
771 2000-08-24 Jim Wilson <wilson@cygnus.com>
773 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
774 Copy type in a TYPE_DECL, just like pushdecl does.
776 2000-08-24 Richard Henderson <rth@cygnus.com>
778 * toplev.c (main): Enable flag_reorder_blocks at -O2.
780 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
782 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
783 asked for one page, allocate GGC_QUIRE_SIZE of them and put
784 the extras on the free list.
785 (release_pages): Clean up.
786 (ggc_set_mark): Don't adjust G.allocated here...
787 (sweep_pages): ... do it here.
789 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
791 * cppfiles.c (read_include_file): Rearrange initializations.
793 2000-08-24 Richard Henderson <rth@cygnus.com>
795 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
797 * config/ia64/ia64-protos.h: Update.
798 * config/ia64/ia64.c (gr_register_operand): New.
799 (fr_register_operand, grfr_register_operand): New.
800 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
801 (grfr_reg_or_8bit_operand): New.
802 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
803 use gr_register_operand.
804 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
805 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
806 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
807 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
808 (fr_reg_or_fp01_operand): Likewise.
809 (not_postinc_memory_operand): New.
810 (ia64_split_timode): Remove unused variables.
811 (rtx_needs_barrier): Check arguments to cmpxchg.
812 (builtin_description): Remove.
813 (bdesc_2argsi, bdesc_2argdi): Remove.
814 (ia64_init_builtins): Declare all builtins directly.
815 (ia64_expand_fetch_and_op): Rewrite to be called from
816 ia64_expand_builtin directly. Use expand_binop and co.
817 (ia64_expand_op_and_fetch): Likewise.
818 (ia64_expand_compare_and_swap): Likewise.
819 (ia64_expand_binop_builtin): Remove.
820 (ia64_expand_lock_test_and_set): New.
821 (ia64_expand_lock_release): New.
822 (ia64_expand_builtin): Use them.
823 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
824 (EXTRA_CONSTRAINT): Use it.
825 (PREDICATE_CODES): Update.
826 * config/ia64/ia64.md (*): Use gr_register_operand and co.
827 (mf): Indicate that we set memory as well as use it.
828 (fetchadd_acq_si): Show memory being modified as well.
829 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
830 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
831 (lock_test_and_set_si, lock_test_and_set_di): Remove.
832 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
833 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
834 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
835 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
836 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
837 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
838 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
839 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
840 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
841 return type. Pretty print definitions.
843 2000-08-24 Jim Wilson <wilson@cygnus.com>
845 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
846 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
848 2000-08-24 Jason Merrill <jason@redhat.com>
850 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
851 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
852 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
853 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
855 2000-08-24 Greg McGary <greg@mcgary.org>
857 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
858 and extendtab within their proper array boundaries.
859 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
860 for the entire array.
862 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
863 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
864 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
865 * config/fr30/fr30.c (fr30_print_operand): Likewise.
866 * config/i386/dgux.c (output_options): Likewise.
867 * config/i386/dgux.h (ASM_FILE_START): Likewise.
868 * config/m88k/m88k.c (output_options): Likewise.
869 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
870 * config/mcore/mcore.c (mcore_output_inline_const_forced,
871 layout_mcore_frame, handle_structs_in_regs): Likewise.
872 * config/mips/mips.c (output_block_move): Likewise.
873 * config/rs6000/rs6000.c (rs6000_override_options,
874 rs6000_file_start): Likewise.
875 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
876 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
877 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
878 * builtins.c (expand_builtin_setjmp): Likewise.
879 * expr.c (safe_from_p): Likewise.
880 * flow.c (life_analysis): Likewise.
881 * fold-const.c (size_int_type_wide): Likewise.
882 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
883 * genattrtab.c (make_length_attrs): Likewise.
884 * genopinit.c (gen_insn): Likewise.
885 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
886 * global.c (global_alloc): Likewise.
887 * local-alloc.c (find_free_reg): Likewise.
888 * mips-tdump.c (print_symbol): Likewise.
889 * mips-tfile.c (parse_def, parse_input): Likewise.
890 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
891 * stmt.c (expand_nl_goto_receiver): Likewise.
892 * stor-layout.c (set_sizetype): Likewise.
893 * varasm.c (decode_reg_name): Likewise.
894 * toplev.c (decode_f_option, decode_W_option,
895 set_target_switch, print_switch_values): Likewise.
896 (NUM_ELEM): Remove macro.
897 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
899 2000-08-24 Greg McGary <greg@mcgary.org>
901 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
902 (MAIN_NAME_P, main_identifier_node): New macros.
903 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
904 * c-decl.c (start_decl, grokdeclarator, start_function,
905 store_parm_decls, finish_function): Use MAIN_NAME_P.
906 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
907 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
908 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
909 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
911 2000-08-24 Greg McGary <greg@mcgary.org>
913 * cppfiles.c (actual_directory): Don't write beyond `dir'
915 * real.c (asctoeg): Stay within bounds of etens[][].
917 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
919 * dependence.c (dependence_string, direction_string,
920 dump_one_node, dump_node_dependence): Hide unused identifiers.
921 (get_low_bound, normalize_coefficients): Match definition to
923 (get_one_coefficient): Initialize variables `value0_is_idx' and
925 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
926 (ziv_test): Delete variable `idx', use parameter `sub' instead.
927 (direction_merge): Avoid automatic aggregate initialization.
928 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
929 Initialize variables `dest_idx' and `src_idx'.
930 (end_dependence_analysis): Avoid C89 style function definition.
932 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
934 * c-common.c (time_char_table): Don't allow width with %F.
935 (check_format_info): Don't allow "Z" length with scanf.
937 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
939 * diagnostic.c (finish_diagnostic): Define.
940 (output_do_printf): Use wrap_text instead of output_add_string.
941 (default_print_error_function): Avoid embedded '\n'.
943 * diagnostic.h (flush_diagnostic_buffer): Declare.
945 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
947 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
949 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
951 * Makefile.in (GCC_PASSES): Add specs.
953 2000-08-23 Jim Wilson <wilson@cygnus.com>
955 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
956 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
957 EHANDLER nor UHANDLER bit is set.
958 (__get_except_table): Likewise.
960 2000-08-23 Nick Clifton <nickc@redhat.com>
962 * config/arm/lib1funcs.asm: Replace upper case condition codes
963 with lower case versions.
965 * config/arm/arm.h (STRUCT_VALUE): Define.
966 (STRUCT_VALUE_REGNUM): Delete.
968 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
970 * cpphash.h (IN_I): New flag for directive table.
971 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
973 (_cpp_check_directive): If -fpreprocessed, execute directives
974 marked with IN_I. Issue no warnings in this case.
975 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
977 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
979 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
981 (check_format_info): Support printf 'I' flag; warn about it with
984 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
986 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
987 barrier can't be ignored by the alias analysis code.
989 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
991 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
992 works inside fixincl.
994 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
996 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
997 simplify_relational_operation() unless both operands are of
999 * cse.c (fold_rtx): Likewise.
1001 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
1003 * rtlanal.c (rtx_unstable_p): The pic register is stable
1004 (within one function) and the actual rtx should be used
1005 when checking the registers.
1006 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
1008 * alias.c (true_dependence, write_dependence_p): Fix
1009 bug in previous patch.
1011 * i386.c (ix86_GOT_alias_set): New.
1012 (legitimize_pic_address): Use it.
1014 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
1015 only stable if its address is stable.
1016 (rtx_varies_p): An unchanging MEM can't vary if
1017 its address doesn't vary.
1019 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1021 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
1023 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1025 * vax.h (ASM_SPEC): Pass `-J' to assembler.
1026 * x-vax-gcc: New file for bootstrapping with gcc.
1027 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
1028 * configure.in: Use x-vax-gcc with gcc.
1029 * configure: Rebuilt.
1031 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1033 * toplev.c (rest_of_compilation): Rebuild label notes after
1034 post-reload splitting pass if new labels have been created.
1036 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
1038 * diagnostic.h (output_buffer_state): New macro.
1039 * diagnostic.c (diagnostic_for_decl, sorry,
1040 default_print_error_function, output_do_verbatim,
1041 report_diagnostic, report_problematic_module): Use it.
1043 (output_format): Use wrap_text instead of maybe_wrap_text.
1045 2000-08-22 Nick Clifton <nickc@redhat.com>
1047 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
1048 Common code for ARM divide and modulus functions.
1049 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
1051 (FUNC_END): New macro: Common code at the end of the division and
1053 (THUMB_FUNCTION_START): New macro: Common code at the start of
1055 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
1057 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
1059 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
1061 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
1062 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
1065 2000-08-22 Nick Clifton <nickc@redhat.com>
1067 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
1068 restorative additions, test for bottom bits of IP being set,
1069 rather than relying upon the RORs not matching.
1072 2000-08-22 David Edelsohn <edelsohn@gnu.org>
1074 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
1075 text_section() as appropriate instead of emitting text csect
1077 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
1078 (UNIQUE_SECTION): Define macro.
1079 (ASM_OUTPUT_SECTION_NAME): Define macro.
1080 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
1081 on AIX if debugging and -fdata-sections always.
1083 2000-08-22 Steven King <sxking@uswest.net>
1085 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
1087 (LDBL_MAX): Same here.
1089 2000-08-22 Richard Henderson <rth@cygnus.com>
1091 * flow.c (tidy_fallthru_edge): Update b->end properly.
1093 2000-08-22 Stan Cox <scox@redhat.com>
1095 * Makefile.in (OBJS): Add dependence.o.
1096 * dependence.c: New file.
1098 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
1100 * calls.c (check_sibcall_argument_overlap_1): Adjust for
1102 (check_sibcall_argument_overlap): Likewise.
1104 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
1106 * invoke.texi (SH Options): Document -m4-nofpu,
1107 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
1108 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
1110 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
1112 * c-common.c (check_format_info): Give the 'some locales' warning
1113 for strftime %Ey rather than the unconditional 'only last 2 digits
1116 2000-08-22 Richard Henderson <rth@cygnus.com>
1118 * alias.c (init_alias_analysis): Do not register
1119 struct_value_incoming_rtx or static_chain_rtx as pointing
1122 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
1124 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
1126 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
1128 * diagnostic.h (report_problematic_module): Declare.
1129 * diagnostic.c (report_problematic_module): New function.
1130 (report_error_function): Tweak.
1132 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1134 * stmt.c (expand_goto_internal, fixup_gotos): Only check
1135 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
1137 2000-08-21 Richard Henderson <rth@cygnus.com>
1139 * flow.c (calculate_global_regs_live): Mark frame pointer live
1140 everywhere before reload.
1142 2000-08-21 Jim Wilson <wilson@cygnus.com>
1144 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
1145 INTEL_EXTENDED_IEEE_FORMAT.
1146 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
1147 clear last two bytes of output FP value.
1149 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
1151 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
1153 2000-08-21 Jakub Jelinek <jakub@redhat.com>
1155 * unroll.c (loop_find_equiv_value): If ret is modified between
1156 insn and loop_start, ret might not be equivalent to reg.
1158 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1160 * c-common.c (init_dollar_format_checking,
1161 maybe_read_dollar_number, finish_dollar_format_checking): New
1163 (dollar_arguments_used, dollar_arguments_count,
1164 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
1166 (check_format_info): Support $ formats for scanf and printf width
1167 and precision. Always increment format_chars to advance past the
1168 '*' of precision, not just when the format parameters are
1171 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1173 * mips.c (block_move_loop, expand_block_move,
1174 function_arg_partial_nregs, save_restore_insns, function_prologue,
1175 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
1177 (function_arg_advance, function_arg): Match argument to format
1180 2000-08-21 Nix <nix@esperi.demon.co.uk>
1182 * gcc.c (do_spec_1): Implement %j spec flag.
1183 Remove dead comment.
1185 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
1186 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
1187 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
1188 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
1190 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
1191 writable) instead of hardcoded value.
1193 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
1195 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
1198 * gcc.c (cc1_options): Do not process -o or run the assembler if
1200 * objc/lang-spec.h: Likewise.
1202 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
1204 * fixinc/fixincl.c (fix_with_system): Pipe the output of
1205 "external" fixes through `cat', to avoid truncating the input
1206 file by redirection.
1208 2000-08-21 Jakub Jelinek <jakub@redhat.com>
1210 * config/i386/i386.md (lea_general_1): Copy insn condition to split
1212 (lea_general_2, lea_general_3): Likewise.
1214 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1216 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
1217 warnings to user code.
1219 * c-lex.c (readescape, yylex): Likewise.
1221 * c-typeck.c (store_init_value, process_init_element): Likewise
1222 (c_expand_start_case): Format.
1224 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
1226 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
1228 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
1229 and linker_endian_spec to endian_spec.
1230 (ENDIAN_SPEC): Add %{EB} and %{EL}.
1231 (LINK_SPEC): Remove %{EB} and %{EL}.
1232 (ASM_SPEC): Likewise. Use %(endian_spec).
1234 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1236 * c-tree.h (flag_hosted): Move declaration from here...
1237 * c-common.h (flag_hosted): ... to here.
1238 (flag_noniso_default_format_attributes): New declaration.
1239 * c-decl.c (flag_noniso_default_format_attributes): New variable.
1240 (c_decode_option): Set it appropriately for options choosing
1241 language standard variant.
1242 * c-common.c (init_function_format_info): Only provide default
1243 format attributes if flag_hosted. Only provide the gettext
1244 formats if flag_noniso_default_format_attributes. Update
1246 (check_format_info): Disable treatment of %a as a scanf flag in
1249 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1251 * c-common.c (scan_char_table): Add 'w' to flags for all formats
1253 (check_format_info): Set 'wide' for scanf format widths. Warn for
1254 a zero scanf width. Make the check for writing into a constant
1255 object at the first level of indirection; at later levels, warn if
1256 any type qualifiers are encountered.
1258 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
1260 * reload.c (reload_inner_reg_of_subreg): New function broken out of
1262 (push_reload): Use reload_inner_reg_of_subreg.
1263 (combine_reloads): Do not combine reloads if the input reload
1264 is a SUBREG in which the inner part will need reloading.
1266 * global.c (global_alloc): Avoid passing dumpfile argument to
1268 * toplev.c (rest_of_compilation): Likewise.
1269 * reload.h (reload): Remove dumpfile argument. Callers changed.
1270 (debug_reload, debug_reload_to_stream): Move prototypes here.
1271 * rtl.h (reload): Remove dumpfile argument.
1272 * reload.c (debug_reload): Remove prototype.
1273 (debug_reload_to_stream): Likewise.
1274 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
1277 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1279 * diagnostic.c (context_as_prefix): Export.
1280 (need_error_newline): Remove.
1281 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
1282 (error_module_changed, record_last_error_module,
1283 error_function_changed, record_last_error_function): New functions.
1284 (initialize_diagnostics): Default intialize
1285 lang_diagnostic_starter, lang_diagnostic_finalizer.
1286 (init_output_buffer): Tweak.
1287 (file_name_as_prefix): New function.
1288 (announce_function, default_print_error_function,
1289 report_error_function, set_diagnostic_context): Tweak.
1291 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
1293 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
1294 condition expression.
1296 2000-08-20 Richard Henderson <rth@cygnus.com>
1298 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
1300 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
1302 * cppinit.c (cpp_init): Set global flag when called.
1303 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
1305 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
1307 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
1308 before `process_directive' so that newlines won't be missed
1310 (cpp_printf): Increment `print->lineno' when newline is emitted.
1312 * cppmain.c (cb_ident): Likewise.
1313 (cb_define): Likewise.
1314 (cb_undef): Likewise.
1315 (cb_include): Likewise.
1316 (cb_def_pragma): Likewise.
1317 (dump_macros_helper): Likewise.
1319 2000-08-20 Richard Henderson <rth@cygnus.com>
1321 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
1322 assigned before a loop.
1324 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
1325 (ashrsi3, lshrsi3): Likewise.
1327 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
1329 * c-lang.c: #include diagnostic.h
1330 (c_tree_printer): New function.
1331 (lang_init): Initialize lang_printer.
1333 * Makefile.in (c-lang.o): Depends on diagnostic.h
1335 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
1337 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
1339 * diagnostic.c (default_diagnostic_starter,
1340 default_diagnostic_finalizer): New functions.
1341 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
1342 (pedwarn, pedwarn_with_file_and_line, error,
1343 error_with_file_and_line, fatal, warning,
1344 warning_with_file_and_line): Adjust call to report_diagnostic.
1345 (report_diagnostic): Rework.
1346 (set_diagnostic_context): New function.
1348 * diagnostic.h (struct diagnostic_context): New data structure.
1349 (diagnostic_message, diagnostic_argument_list,
1350 diagnostic_file_location, diagnostic_line_location,
1351 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
1352 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
1353 (set_diagnostic_context): Declare.
1354 (report_diagnostic): Change prototype.
1356 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
1358 * fix-header.c (main): Initialize cpplib.
1360 2000-08-19 Michael Meissner <meissner@redhat.com>
1362 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
1363 instructions in it before checking for indirect jumps.
1365 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
1366 in a indirect jump as a potential for conditional execution.
1368 * d30v.h (d30v_init_expanders): Don't declare here.
1369 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
1372 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
1374 * cpp.texi: Add @section for assertions.
1376 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
1378 * loop.c (scan_loop): Use CONST_CALL_P instead of
1379 checking for REG_LIBCALL / REG_RETVAL.
1381 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
1383 * reload1.c (reload_as_needed): Accept dumpfile argument,
1384 pass it to emit_reload_insns.
1385 (emit_reload_insns): Add new dumpfile argument. If non-null
1386 then dump the reloads for each insn into the dumpfile.
1387 (reload): Pass dumpfile to reload_as_needed.
1389 * invoke.texi: Clean up linux-gnu vs linux comments.
1391 2000-08-19 Richard Henderson <rth@cygnus.com>
1393 * config/ia64/ia64.c (reg_or_5bit_operand): New.
1394 (ia64_depz_field_mask): New.
1395 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
1396 (PREDICATE_CODES): Update.
1397 * config/ia64/ia64.md: Update commentary.
1398 (depz_internal): New.
1399 (ashlsi3): Implement directly.
1400 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
1401 (ashldi3): Use shladd.
1402 * config/ia64/ia64-protos.h: Update.
1404 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
1406 * toplev.c (independent_decode_option): Always process -g.
1407 Remove third argument, now unused. Adjust caller to match.
1409 2000-08-18 Richard Henderson <rth@cygnus.com>
1411 * combine.c (make_compound_operation): Break after creating
1414 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
1416 * cpplib.c (cpp_register_pragma_space): Just return if the
1417 namespace is already registered.
1419 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
1421 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
1422 constant amount. Do not generate ROTL instruction.
1424 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
1426 * config/sh/elf.h: Do not include sh/sh.h.
1427 * config/sh/rtems.h: Likewise.
1428 * config/sh/rtemself.h: Do not include sh/elf.h.
1429 * configure.in: Get them included with `tm_file's.
1430 * configure: Rebuilt.
1432 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
1433 * config/sh/sh.c (fpscr_set_from_mem): Use them.
1435 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1437 * stor-layout.c (compute_record_type): Don't use mode of single
1438 field as mode of record if not integer mode of same type.
1440 * regmove.c (perhaps_ends_bb_p): New function.
1441 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
1442 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
1443 (fixup_match_1): Likewise.
1444 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
1445 avoid signed/unsigned warnings.
1447 * function.c (fixup_var_refs_1, case MEM): Update CODE after
1450 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
1452 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
1453 (_cpp_trigraph_map): Declaration moved from cpplex.c
1455 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
1456 instead of 256. Use consistent test for designated initializers.
1457 (cpp_init): Initialize trigraph_map.
1458 (initialize_standard_includes, parse_option): Use memcmp
1461 * cpplex.c (init_trigraph_map): Remove.
1462 (trigraph_ok, trigraph_replace, lex_line): Refer to
1465 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
1466 (do_unassert): Remove unused "next" local.
1468 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
1470 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
1472 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
1475 2000-08-17 Richard Henderson <rth@cygnus.com>
1477 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
1478 the first insn in a sequence.
1480 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
1482 * alias.c (true_dependence, write_dependence_p): A read
1483 involving a label_ref or the constant pool doesn't create
1486 * rtl.h (unchanging): Improve documentation.
1488 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
1490 * cse.c (insert_regs): Remove unused `regno'.
1492 2000-08-17 Neil Booth <NeilB@earthling.net>
1494 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
1495 remove_dup_dirs. If qtail == brack, remove brack not
1497 (remove_dup_dir, remove_dup_dirs): New functions.
1499 2000-08-17 Neil Booth <NeilB@earthling.net>
1501 * cppinit.c (cpp_cleanup): Free include dir chains.
1502 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
1503 (do_unassert): Free the assert with _cpp_free_definition.
1504 * cppmacro.c (_cpp_free_definition): Free memory allocated for
1505 assertions. Make the node a T_VOID node.
1507 2000-08-17 Neil Booth <NeilB@earthling.net>
1509 * cppinit.c (path_include, append_include_chain):
1510 Remove 2nd parameter (struct cpp_pending *).
1511 (path_include, initialize_standard_includes, cpp_handle_option):
1512 Update callers appropriately.
1513 (cpp_handle_option): Use pend.
1515 2000-08-17 Neil Booth <NeilB@earthling.net>
1517 * cppinit.c (sort_options): Remove, put functionality in
1520 (initialize_builtins): Free memory.
1521 (cpp_start_read): Move init_IStable to cpp_init.
1523 * cpplib.h (cpp_init): New prototype.
1524 * cppmain.c (main): Call cpp_init.
1526 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
1528 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
1529 (rtx_unstable_p, rtx_varies_p): Process vectors.
1531 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
1533 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
1534 references to GLOBAL symbols. Use LOCAL where appropriate.
1536 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1538 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
1539 use t-aix41 when host == target.
1541 2000-08-16 Richard Henderson <rth@cygnus.com>
1543 * reload.c (push_secondary_reload): Revert last change.
1544 If we use a reload_in/out pattern, make the when the same
1545 as the primary reload.
1546 (find_reloads): Likewise.
1548 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
1550 * configure.in (libstdcxx-v3): Fix test.
1551 * configure: Regenerate.
1553 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1555 * calls.c (calls_function_1, expand_call): Only test
1556 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
1557 * function.c (thread_prologue_and_epilogue_insns): Likewise.
1559 2000-08-16 Richard Henderson <rth@cygnus.com>
1561 * combine.c (simplify_shift_const): Revert previous two
1562 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
1563 before the main loop.
1565 2000-08-15 Richard Henderson <rth@cygnus.com>
1567 * combine.c (simplify_shift_const): Bound shift count when
1570 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1572 * calls.c (ECF_SP_DEPRESSED): New macro.
1573 (calls_function_1): Treat calling sp-depressed function as alloca.
1574 (emit_call_1): Don't adjust SP if calling sp-depressed function.
1575 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
1576 If sp-depressed, ensure block saves and restores SP.
1577 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
1579 * function.c (keep_stack_depressed): New function.
1580 (thread_prologue_and_epilogue_insns): Call it.
1581 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
1582 to print DECL_OFFSET_ALIGN.
1583 Print no-force-blk and transparent-union flags properly.
1584 * stmt.c (expand_goto_internal): Don't restore stack if last block
1585 and function returns with sp depressed.
1586 (fixup_gotos): Likewise.
1587 (save_stack_pointer): New function, from code in expand_decl.
1588 (expand_decl): Call new function.
1589 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
1590 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
1591 (save_stack_pointer): New declaration.
1593 * diagnostic.c (fatal_function): New variable.
1594 (set_fatal_function): New function.
1596 * diagnostic.h (set_fatal_function): New declaration.
1598 2000-08-15 William Cohen <wcohen@redhat.com>
1600 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
1601 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
1602 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
1604 2000-08-15 Richard Henderson <rth@cygnus.com>
1606 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
1608 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1610 * arm.c (arm_function_ok_for_sibcall): New function.
1611 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
1612 * arm.md (call expanders): Don't check here for calls that can't
1615 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1617 * arm.md (splits generating cond_exec): Disable.
1619 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1621 * arm/linux-elf.h (text_section): Delete declaration.
1623 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1625 ARM support for unordered FP operations.
1626 * arm-protos.h (arm_comparison_operator): Declare.
1627 * arm.c (arm_comparison_operator): New function.
1628 (arm_select_cc_mode): Add unordered comparison codes.
1629 (get_arm_condition_code): Likewise.
1630 (arm_final_prescan_insn): Can't handle unordered jumps that can't
1631 be done in one insn.
1632 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
1633 * arm.md (all uses of comparison_operator): Replace with
1634 arm_comparison_operator.
1635 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
1637 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
1640 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1642 * gthr-posix.h: Conditionally include <sched.h>; include
1643 <config.h> from libobjc/.
1645 2000-08-14 Richard Henderson <rth@cygnus.com>
1647 * config/i386/i386.c (legitimize_pic_address): Use Pmode
1650 2000-08-14 Richard Henderson <rth@cygnus.com>
1652 * configure.in (ia64-*): Set float_format for i386 long double.
1654 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
1655 as we would for i386 XFmode.
1656 (PUT_REAL): Likewise.
1657 (endian, ereal_atof, real_value_truncate): Likewise.
1658 (ereal_isneg, toe64, etens, make_nan): Likewise.
1659 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
1661 * config/ia64/ia64-protos.h: Update.
1662 * config/ia64/ia64.c (general_tfmode_operand): New.
1663 (destination_tfmode_operand): New.
1664 (tfreg_or_fp01_operand): New.
1665 (ia64_split_timode): New.
1666 (spill_tfmode_operand): New.
1667 (ia64_expand_prologue): Use TFmode not XFmode.
1668 (ia64_expand_epilogue): Likewise.
1669 (ia64_function_arg): Likewise.
1670 (ia64_function_arg_advance): Likewise.
1671 (ia64_return_in_memory): Likewise.
1672 (ia64_function_value): Likewise.
1673 (ia64_print_operand): Likewise.
1674 (ia64_register_move_cost): Set GR<->FR to 5.
1675 (ia64_secondary_reload_class): Get GR for TImode memory op.
1676 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
1677 (ROUND_TYPE_ALIGN): Remove.
1678 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
1679 (INTEL_EXTENDED_IEEE_FORMAT): Define.
1680 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
1681 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
1682 (MODES_TIEABLE_P): Use TFmode, not XFmode.
1683 (CLASS_MAX_NREGS): Likewise.
1684 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
1685 (PREDICATE_CODES): Update.
1686 * config/ia64/ia64.md (movti): New.
1687 (movti_internal): Use a clobber for memory alternatives.
1688 (reload_inti, reload_outti): New.
1689 (movsfcc_astep): Predicate properly.
1690 (movdfcc_astep): Likewise.
1693 (extendsftf2, extenddftf2): New.
1694 (trunctfsf2, trunctfdf2): New.
1695 (floatditf2, fix_trunctfdi2): New.
1696 (floatunsditf2, fixuns_trunctfdi2): New.
1697 (addtf3, subtf3, multf3, abstf2): New.
1698 (negtf2, nabstf2, mintf3, maxtf3): New.
1699 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
1701 (fr_spill): Use TFmode, not XFmode.
1702 (fr_restore): Likewise.
1703 * config/ia64/lib1funcs.asm (__divtf3): New.
1704 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
1706 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1708 * cse.c (fold_rtx): Avoid empty body in an if-statement.
1710 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
1711 `U' integer constant suffix.
1713 * dwarf2out.c (add_subscript_info): Avoid empty body in an
1716 * sparc/sol2.h (__enable_execute_stack): Prototype.
1718 2000-08-14 David Edelsohn <edelsohn@gnu.org>
1720 * collect2.c: Remove use of AIX import file.
1722 * longlong.h: Test ARCH_PWR not ARCH_POWER.
1724 * rs6000.c (print_operand, case 'E'): Add else.
1726 2000-08-14 Richard Henderson <rth@cygnus.com>
1728 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
1729 (movdi_symbolic): New.
1731 2000-08-14 Jim Wilson <wilson@cygnus.com>
1733 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
1734 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
1735 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
1738 2000-08-14 Richard Henderson <rth@cygnus.com>
1740 * expr.c (emit_group_load): Don't force constants into registers.
1741 Special case source already in the correct mode.
1743 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
1745 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
1746 * fixinc/inclhack.def: Likewise.
1747 * fixinc/mkfixinc.sh: Likewise.
1748 * configure: Regenerate.
1749 * fixinc/fixincl.x: Regenerate.
1750 * install.texi: Document equivalence of linux and linux-gnu.
1752 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1754 * cse.c (insert_regs): Also in REG case: When finding an invalid
1755 value, and we make a new quantity, make sure that it won't be
1756 mistaken by for a valid one by mention_regs.
1758 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
1760 * h8300.md: Remove obsolete peepholes.
1762 2000-08-13 Kazu Hirata <kazu@hxi.com>
1764 * invoke.texi (H8/300 Options): Fix typos.
1765 * config/h8300.c: Fix formatting.
1766 * config/h8300.h: Fix comment typos.
1767 (OVERRIDE_OPTIONS): Fix formatting.
1769 * function.c: Fix formatting.
1771 * cse.c: Fix formatting.
1773 2000-08-13 Geoff Keating <geoffk@cygnus.com>
1775 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
1776 (attempt_auto_inc): Suppress parentheses warning.
1777 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
1778 * loop.c (load_mems): Remove `u' suffix in two places.
1779 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
1781 * config/rs6000/rs6000.h: Likewise.
1782 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
1783 __eabi dummy routine.
1784 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
1787 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
1788 not put stuff in .sdata unnecessarily.
1789 (rs6000_unique_section): New function.
1790 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
1791 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
1793 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
1794 arrays in C99. Don't try to look at DECL_REGISTER of a
1795 COMPONENT_REF. Don't complain twice about the same error.
1797 * fixinc/inclhack.def (aix_pthread): New fix.
1798 (aix_sysmachine): New fix.
1799 * fixinc/fixincl.x: Regenerate.
1801 * expr.c (expand_expr): Call convert_modes when turning a large
1802 multiply into a small one.
1804 2000-08-12 Geoff Keating <geoffk@cygnus.com>
1806 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
1807 the tree structure an exponent rather than an explicit alignment
1808 so it doesn't overflow.
1809 (SET_DECL_OFFSET_ALIGN): New macro.
1810 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
1811 rather than DECL_OFFSET_ALIGN.
1812 (place_field): Likewise.
1813 * expmed.c (store_bit_field): Abort on align==0 to avoid
1814 antisocial machine behaviour.
1816 2000-08-12 Richard Henderson <rth@cygnus.com>
1818 * sibcall.c (uses_addressof): Accept both addressof and
1819 current_function_internal_arg_pointer inside a mem.
1820 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
1821 if current_function_uses_addressof.
1822 * stmt.c (expand_return): Kill tail recursion and HAVE_return
1825 2000-08-11 Richard Henderson <rth@cygnus.com>
1827 * config/ia64/ia64.md (addsi3): Remove expander.
1828 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
1829 (*addsi3_shladd): New.
1831 2000-08-11 Richard Henderson <rth@cygnus.com>
1833 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
1834 (do_restore): Likewise.
1835 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
1836 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
1837 (rtx_needs_barrier): Track actual bit manipulation for
1838 ar.unat moves, gr_spill, and gr_restore.
1839 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
1840 (process_set): Don't handle varargs spills.
1841 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
1842 .mem.offset here instead of in process_set.
1843 (gr_restore): Likewise.
1845 2000-08-11 Richard Henderson <rth@cygnus.com>
1847 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
1849 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
1851 * gcc.texi (The Configuration File): Document
1852 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
1853 UPDATE_PATH_HOST_CANONICALIZATION.
1855 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1857 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
1858 unprototyped function pointer casts on integer constants.
1860 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
1862 * fixproto: Recognize DOS paths with drive letters as absolute paths.
1864 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
1866 * extend.texi (Volatiles): Fix typos.
1868 2000-08-11 Kazu Hirata <kazu@hxi.com>
1870 * flow.c: Fix formatting.
1872 2000-08-11 Richard Henderson <rth@cygnus.com>
1874 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
1875 pattern, always allocate a tertiary scratch register.
1877 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
1878 (reload_inhi): Likewise.
1880 2000-08-11 Richard Henderson <rth@cygnus.com>
1882 * function.c (put_reg_into_stack): Allow type to be NULL.
1883 (schedule_fixup_var_refs): Likewise.
1884 (gen_mem_addressof): Allow decl to be NULL.
1885 (put_addressof_into_stack): Likewise.
1887 * flow.c (merge_blocks_nomove): Be more careful about
1888 locating the beginning of block A.
1890 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
1892 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1897 * config.in: Reverted the check for <sched.h>.
1899 2000-08-10 Chris Demetriou <cgd@sibyte.com>
1901 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
1902 macros define the name of CTOR and DTOR sections.
1903 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
1904 DTOR_LIST_END): Change to use attributes to specify
1906 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
1907 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
1908 DTOR_LIST_END): Same as in mips/elf.h.
1910 2000-08-10 Drew Moseley <dmoseley@redhat.com>
1912 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
1913 disabling just crt0.o.
1915 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
1917 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
1918 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
1919 (EXTRA_SPECS): Add them.
1920 * arm/lib1funcs.asm: Support builds for interworking.
1921 Use macros to eliminate duplicated pieces of code.
1923 2000-08-10 Kazu Hirata <kazu@hxi.com>
1925 * h8300.c (expand_a_rotate): New.
1926 (emit_a_rotate): Likewise.
1927 (h8300_adjust_insn_length): Add support for the rotate insns.
1928 * h8300.md (rotlqi3): New.
1929 (*rotlqi3_1): Likewise.
1930 (rotlhi3): Likewise.
1931 (*rotlhi3_1): Likewise.
1932 (rotlhi3): Likewise.
1933 (*rotlhi3_1): Likewise.
1934 * h8300-proto.h: Add prototypes for expand_a_rotate and
1937 * h8300.c: Fix comment typos.
1938 (dosize): Declare the variable amount as unsigned.
1939 (get_shift_alg): Fix a comparison between signed and unsigned.
1940 (emit_a_shift): Likewise.
1941 (h8300_adjust_insn_length): Simplify the code.
1943 * c-decl.c: Fix formatting.
1945 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1947 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
1948 warning about non-traditional numeric constant suffixes.
1950 * cppexp.c (parse_number): Likewise.
1952 * invoke.texi: (-Wtraditional): Document new behavior.
1954 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1956 * gthr-posix.h: Include auto-host.h. Conditionally include
1958 * configure.in: Check for the <sched.h> header file.
1959 * config.in: Added define for HAVE_SCHED_H.
1961 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1963 * c-typeck.c (process_init_element): For -Wtraditional, warn about
1964 initialization of unions.
1966 * invoke.texi (-Wtraditional): Document new behavior.
1968 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
1970 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
1971 instead of extra_c_flags.
1972 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
1973 * configure: Regenerate.
1974 * config.in: Regenerate.
1976 * cpperror.c (cpp_type2name): New function.
1977 * cpplex.c (lex_line): If we issued an error for an invalid
1978 preprocessing directive, discard that logical line.
1979 * cpplib.c (do_line): Call a hook function if the current file
1980 is renamed by #line.
1981 (do_ident): Pass the contents of the string, not the entire
1982 token, to the callback function.
1983 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
1984 (cb.rename_file): New hook function.
1985 (cb.ident): Adjust prototype.
1986 (cpp_type2name): Prototype.
1987 * cppmacro.c (dump_macro_args): Correct precedence lossage.
1989 * cppmain.c (cb_ident): Update for changed interface.
1990 (cb_rename_file): New function.
1991 (main): Set rename callback.
1993 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
1995 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
1996 multi-word registers.
1998 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
2000 * c-common.c (combine_strings, check_format_info): Refer to ISO C
2001 or ISO C89 instead of ANSI C.
2002 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
2003 build_enumerator, do_case): Likewise.
2004 * c-lex.c (parse_float, yylex): Likewise.
2005 * c-parse.in: Likewise.
2006 * c-typeck.c (common_type, build_array_ref, build_binary_op,
2007 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
2008 build_c_cast, convert_for_assignment, set_init_index,
2009 set_init_label, c_expand_start_case): Likewise.
2010 * toplev.c (documented_lang_options, display_help): Likewise.
2012 2000-08-08 Kazu Hirata <kazu@hxi.com>
2014 * h8300.c: Fix formatting.
2015 * h8300.h: Likewise.
2016 * h8300.md: Likewise.
2017 (movsi_h8300hs): Fix formatting of the resulting assembly code.
2019 * reload1.c: Fix formatting.
2021 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
2023 * alpha/alpha.c (alpha_emit_xfloating_libcall):
2024 Use GEN_CALL_VALUE define.
2025 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
2026 * clipper/clipper.md (untyped_call): Likewise.
2027 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
2028 * fx80/fx80.md (untyped_call): Likewise.
2029 * mips/mips.md (untyped_call): Likewise.
2030 * ns32k/ns32k.md (untyped_call): Likewise.
2031 * pa/pa.md (untyped_call): Likewise.
2032 * romp/romp.md (untyped_call): Likewise.
2033 * sparc/sparc.md (untyped_call): Likewise.
2035 2000-08-08 Jason Eckhardt <jle@cygnus.com>
2037 * config/i860/i860.c (singlemove_string): Do not generate assembler
2038 pseudo instructions that must be expanded (that is, with signed
2039 constants larger than 16 bits).
2041 2000-08-08 Richard Henderson <rth@cygnus.com>
2043 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
2044 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
2045 (init_propagate_block_info): Don't kill memory stores at -O0.
2046 (mark_set_1, mark_used_regs): Likewise.
2048 2000-08-08 David Edelsohn <edelsohn@gnu.org>
2050 * rs6000.c (optimization_options): Decorate 'level' as
2052 (mask64_operand): Remove sign-extend thinko.
2053 (rldic_operand): New function.
2054 (load_multiple_operation): regno's are unsigned ints.
2055 (store_multiple_operation): Likewise.
2056 (lmw_operation): Likewise.
2057 (stmw_operation): Likewise.
2058 (includes_lshift_p): shift_mask is unsigned int.
2059 (includes_lshift64_p): New function.
2060 (addrs_ok_for_quad_peep): unsigned int reg1.
2061 (print_operand): Consistently add "else" after
2062 output_operand_lossage().
2063 (print_operand, case 'b'): Fold in case 'W'.
2064 (print_operand, case 'W'): Print rldic MB value.
2065 (output_epilogue): Update Objective-C language string.
2066 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
2067 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
2068 * rs6000.md (ashldi3): Add rldic instruction.
2069 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
2070 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
2073 2000-08-08 Richard Henderson <rth@cygnus.com>
2075 * config/ia64/ia64-protos.h: Remove duplicates. Update
2076 for massive code rearrangements.
2077 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
2078 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
2079 (ia64_local_regs, ia64_need_regstk): Remove.
2080 (ar_ccv_reg_operand): New.
2081 (ia64_gp_save_reg): New.
2082 (struct ia64_frame_info): Combine most of the size elements;
2083 add new gr save elements.
2084 (find_gr_spill): New.
2085 (next_scratch_gr_reg): New.
2086 (mark_reg_gr_used_mask): New.
2087 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
2088 to GR backing store regs when possible.
2089 (ia64_initial_elimination_offset): New.
2090 (ia64_rap_fp_offset): Remove.
2091 (save_restore_insns): Remove.
2092 (setup_spill_pointers): New.
2093 (finish_spill_pointers): New.
2094 (spill_restore_mem): New.
2095 (do_spill, do_restore): New.
2096 (ia64_expand_prologue): Rewrite to use them.
2097 (ia64_expand_epilogue): Likewise.
2098 (ia64_direct_return): Update for current_frame_info changes.
2099 (ia64_function_prologue): Simplify .prologue emission. Emit
2101 (ia64_setup_incoming_varargs): Don't ever emit rtl.
2102 (ia64_dbx_register_number): New.
2103 (ia64_initialize_trampoline): New.
2104 (ia64_secondary_reload_class): Request GR_REGS for integer
2105 arithmetic destined for FR_REGS.
2106 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
2107 (ia64_mark_machine_status): Mark ia64_gp_save.
2108 (rws_access_regno): Rename from rws_access_reg; don't treat
2109 predicates specially.
2110 (rws_access_reg): New. Update all callers.
2111 (rtx_needs_barrier): Remove dead unspecs.
2112 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
2113 (ia64_encode_section_info): Silence signed/unsigned warnings.
2114 (spill_offset, sp_offset, spill_offset_emitted): Remove.
2115 (tmp_reg, tmp_saved): Remove.
2116 (process_set): Rewrite to expect complicated bits via
2117 REG_FRAME_RELATED_EXPR.
2118 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
2119 in the use of ar.ccv; never set RTX_UNCHANGING_P.
2120 (ia64_expand_op_and_fetch): Likewise.
2121 (ia64_expand_compare_and_swap): Likewise.
2122 (ia64_expand_builtin): Likewise.
2123 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
2124 (FIRST_PSEUDO_REGISTER): Update.
2125 (AR_M_REGNO_P): Update.
2126 (FIXED_REGS): Don't mark three local registers as used.
2127 (EXTRA_CC_MODES): New.
2128 (SELECT_CC_MODE): New.
2129 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
2130 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
2131 (FRAME_GROWS_DOWNWARD): Unset.
2132 (STARTING_FRAME_OFFSET): Zero.
2133 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
2134 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
2135 (HARD_FRAME_POINTER_REGNUM): New.
2136 (CAN_DEBUG_WITHOUT_FP): Define.
2137 (TRAMPOLINE_TEMPLATE): Remove.
2138 (TRAMPOLINE_SIZE): Lower to 32.
2139 (TRAMPOLINE_ALIGNMENT): Lower to 64.
2140 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
2141 (PREDICATE_CODES): Update.
2142 (struct machine_function): Add ia64_gp_save.
2143 * config/ia64/ia64.md: Purge unused unspecs.
2144 (movsi patterns): Allow moves to/from AR_M_REGS.
2145 (movdi patterns): Allow moves to/from p0.
2146 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
2147 (gr_spill, gr_restore): Indicate ar.unat read/written.
2148 (nonlocal_goto): Don't pass old frame_pointer.
2149 (nonlocal_goto_receiver): Remove.
2150 (exception_receiver): New.
2151 (builtin_setjmp_setup): New.
2152 (builtin_setjmp_receiver): New.
2153 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
2154 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
2155 (__ia64_restore_stack_nonlocal): Likewise.
2156 (__ia64_trampoline): New.
2157 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
2159 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
2161 2000-08-08 Richard Henderson <rth@cygnus.com>
2163 * frame.h (ia64_frame_state): Add my_psp.
2164 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
2165 (__throw): Pass it in. Don't clobber r7.
2166 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
2167 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
2168 and nothing to do with sp.
2169 (normalize_reg_loc): Use frame->my_psp.
2170 (frame_translate): Handle frame-pointer-less functions. Set
2171 spill_base correctly, in absence of being told.
2172 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
2173 (__ia64_backtrace_helper): New sp argument. Use
2174 builtin_return_address instead of label addresses.
2175 (print_record) [mem_stack_v]: No size member.
2177 2000-08-08 Richard Henderson <rth@cygnus.com>
2179 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
2181 2000-08-08 Richard Henderson <rth@cygnus.com>
2183 * tm.texi (LOCAL_REGNO): Document.
2184 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
2185 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
2186 * reload1.c (reload): Likewise when considering nonlocal labels.
2188 * config/ia64/ia64.h (LOCAL_REGNO): New.
2189 * config/sparc/sparc.h (LOCAL_REGNO): New.
2191 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
2193 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
2195 2000-08-07 Nick Clifton <nickc@redhat.com>
2197 * config/mips/mips.c: Fix compile time warning messages.
2198 * config/mips/mips-protos.h: Add prototype for equality_op.
2200 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
2202 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
2204 * mn10300.md: Use nonimmediate_operand instead of general_operand
2207 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
2209 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
2211 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
2212 * sh.c (expand_block_move): Break long lines.
2213 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
2214 * sh.md (mulsi3): Likewise.
2215 (movdi): Adjust spacing.
2217 2000-08-07 Richard Henderson <rth@cygnus.com>
2219 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
2220 * expr.c (emit_group_store): Don't set it.
2222 2000-08-07 Kazu Hirata <kazu@hxi.com>
2224 * invoke.texi (Options for Debugging Your Program or GCC): Remove
2225 duplicate entries for 'w' and 'z'.
2227 * flow.c: Fix a comment typo.
2229 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2231 * c-parse.in: Changed the language string for Objective-C to "GNU
2234 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2236 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
2237 to improve the Posix thread support for Objective-C.
2239 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
2241 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
2242 CTI_UNSIGNED_PTRDIFF_TYPE.
2243 (signed_size_type_node): Define.
2244 (unsigned_ptrdiff_type_node): Define.
2245 * c-decl.c (init_decl_processing): Create the
2246 signed_size_type_node and unsigned_ptrdiff_type_node types.
2247 * c-common.c (T_SC): Define.
2250 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
2251 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
2253 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
2254 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
2255 flags for %c, %s and %[.
2256 (check_format_info): Only allow leniency for signedness of targets
2257 of character pointers (when pedantic) for formats flagged with
2258 "c", so for strings but not for %hh formats. When pedantic, don't
2259 allow character pointers to substitute for void pointers if a
2260 second level of indirection is present.
2262 2000-08-06 Kazu Hirata <kazu@hxi.com>
2264 * invoke.texi (Options for Debugging Your Program or GCC): Update
2265 the names of dump files.
2267 * h8300.c (dosize): Rearrange code for conciseness.
2268 (split_adds_subs): Likewise.
2270 * loop.c: Fix formatting.
2272 * dwarf2out.c: Fix formatting.
2274 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
2276 * expr.c: Fix formatting.
2278 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2280 * rs6000.c (rs6000_maybe_dead): Prototype.
2282 2000-08-06 Richard Henderson <rth@cygnus.com>
2284 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
2285 HAVE_nonlocal_goto as well.
2286 * config/i960/i960.md (nonlocal_goto): Don't do it here.
2287 * config/pj/pj.md (nonlocal_goto): Likewise.
2289 2000-08-07 Michael Hayes <mhayes@cygnus.com>
2291 * loop.c (try_swap_copy_prop): New function.
2292 (load_mems): Rename copies to load_copies and add new regset
2293 store_copies. Check for sets of shadow registers and mark
2294 in store_copies. Call try_swap_copy_prop for registers
2295 marked in store_copies.
2297 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2299 * objc/objc-act.c: New command line option -fconstant-string-class
2300 to allow specifying a user defined constant string class,
2301 different from NXConstantString.
2303 * toplev.c: Moved the Objective-C specific options to
2304 objc/lang-options.h.
2306 * objc/lang-options.h: Moved the Objective-C specific options from
2307 toplev.c. Added -fconstant-string-class.
2309 2000-08-05 Chris Demetriou <cgd@sibyte.com>
2311 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2312 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
2313 __CTOR_LIST__ from func_ptr array to just func_ptr, to
2314 avoid extra alignment imposed on arrays.
2315 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2316 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
2318 * mips.h: Clean up comments and spacing near MASKs.
2319 (TARGET_UNIX_ASM): Delete.
2320 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
2321 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
2324 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
2326 * c-common.c (print_char_table): Add entries for the X/Open '
2327 format flag (print decimals with locale's thousands grouping
2328 character). Make %C expect wint_t.
2329 (check_format_info): If pedantic, warn when the %n$ operand
2330 number form is used. Allow for the ' flag; warn about it if
2333 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
2335 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
2336 type is a float mode, cfun->decl's return type is not, and
2337 TARGET_FLOAT_RETURNS_IN_80387.
2339 2000-08-04 Andreas Schwab <schwab@suse.de>
2341 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
2342 token list, which are always `#' and `pragma'.
2344 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
2346 * tree.c (tree_expr_nonnegative_p): Move to...
2347 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
2348 (rtl_expr_nonnegative_p): New.
2349 * tree.h: Add prototype for rtl_expr_nonnegative_p.
2351 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
2352 CONST_DOUBLE_CHAIN: Move to...
2353 * rtl.h: ...here. Use XCINT/XCEXP.
2355 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
2356 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
2357 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
2360 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
2362 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2364 * config/c4x/c4x.md (return_indirect_internal): New.
2365 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
2367 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2369 * c-common.c (time_char_table): Mark up formats added in C99 and
2370 make other corrections. %D and %g were added in C99. %Og is an
2371 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
2372 C99. %e was added in C99. %Oj is an extension. %G and %z are in
2373 C99 rather than GNU extensions, but %OG and %Oz are extensions.
2374 %h was added in C99. %C was added in C99. %OY and %OC are
2375 extensions. Add the C99 format %F.
2376 (check_format_info): If pedantic and not in C99 mode, warn for C99
2379 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2381 * function.c (schedule_fixup_var_refs): New function, broken out
2382 of put_reg_into_stack.
2383 (put_reg_into_stack): Use it.
2384 (put_var_into_stack): In CONCAT case, fixup up references for
2385 components only after fixing up references to the whole concat.
2387 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
2389 * alias.c (mark_constant_function): Use INSN_P.
2390 (init_alias_analysis): Likewise.
2391 * combine.c (combine_instructions): Use INSN_P.
2392 (can_combine_p): Likewise.
2393 (try_combine): Likewise.
2394 (distribute_notes): Likewise.
2395 (distribute_links): Likewise.
2396 * cse.c (cse_around_loop): Use INSN_P.
2397 (invalidate_skipped_block): Likewise.
2398 (cse_set_around_loop): Likewise.
2399 (cse_end_of_basic_block): Likewise.
2400 (delete_trivially_dead_insns): Likewise.
2401 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
2402 (unshare_all_rtl_1): Likewise.
2403 (next_cc0_user): Likewise.
2404 (try_split make_insn_raw): Likewise.
2405 (remove_unnecessary_notes): Likewise.
2406 * final.c (shorten_branches): Use INSN_P.
2407 (leaf_renumber_regs): Likewise.
2408 (leaf_renumber_regs_insn): Likewise.
2409 * flow.c (find_label_refs): Use INSN_P.
2410 (verify_wide_reg): Likewise.
2411 (notice_stack_pointer_modification): Likewise.
2412 (count_or_remove_death_notes): Likewise.
2413 (verify_flow_info): Likewise.
2414 (clear_log_links): Likewise.
2415 * function.c (fixup_var_refs_insns): Use INSN_P.
2416 (compute_insns_for_mem): Likewise.
2417 * gcse.c (alloc_gcse_mem): Use INSN_P.
2418 (compute_sets): Likewise.
2419 (compute_hash_table): Likewise.
2420 (classic_gcse): Likewise.
2422 (insert_insn_end_bb): Likewise.
2423 (delete_null_pointer_checks_1): Likewise.
2424 * global.c (expand_preferences): Use INSN_P.
2425 (build_insn_chain): Likewise.
2426 * graph.c (node_data): Use INSN_P.
2427 * haifa-sched.c (priority): Use INSN_P.
2428 (rm_line_notes): Likewise.
2429 (rm_other_notes): Likewise.
2430 (find_insn_reg_weight): Likewise.
2431 (init_target_units): Likewise.
2432 (schedule_block): Likewise.
2433 (compute_block_forward_dependences): Likewise.
2434 (debug_dependencies): Likewise.
2435 (set_priorities): Likewise.
2436 * integrate.c (function_cannot_inline_p): Use INSN_P.
2437 (save_parm_insns): Likewise.
2438 (copy_insn_list): Likewise.
2439 * jump.c (mark_all_labels): Use INSN_P.
2440 (never_reached_warning): Likewise.
2441 * lcm.c (optimize_mode_switching): Use INSN_P.
2442 * local-alloc.c (validate_equiv_mem): Use INSN_P.
2443 (memref_used_between_p): Likewise.
2444 (update_equiv_regs): Likewise.
2445 (block_alloc): Likewise.
2446 (no_conflict_p): Likewise.
2447 * loop.c (scan_loop): Use INSN_P.
2448 (find_and_verify_loops): Likewise.
2449 (count_loop_regs_set): Likewise.
2450 (loop_reg_used_before_p): Likewise.
2451 (strength_reduce): Likewise.
2452 (recombine_givs): Likewise.
2453 (check_dbra_loop): Likewise.
2454 (load_mems): Likewise.
2455 (try_copy_prop): Likewise.
2456 * print-rtl.c (print_rtx): Use INSN_P.
2457 * recog.c (find_single_use): Use INSN_P.
2458 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
2459 (next_flags_user): Likewise.
2460 (swap_rtx_condition): Likewise.
2461 * regmove.c (mark_flags_life_zones): Use INSN_P.
2462 (optimize_reg_copy_1): Likewise.
2463 (optimize_reg_copy_2): Likewise.
2464 (optimize_reg_copy_3): Likewise.
2465 (reg_is_remote_constant_p): Likewise.
2466 (fixup_match_2): Likewise.
2467 (regmove_optimize): Likewise.
2468 (fixup_match_1): Likewise.
2469 * regrename.c (build_def_use): Use INSN_P.
2470 (replace_reg_in_block): Likewise.
2471 (consider_use): Likewise.
2472 * reload.c (find_equiv_reg): Use INSN_P.
2473 * reload1.c (reload): Use INSN_P.
2474 (maybe_fix_stack_asms): Likewise.
2475 (calculate_needs_all_insns): Likewise.
2476 (reload_as_needed): Likewise.
2477 (emit_output_reload_insns): Likewise.
2478 (delete_address_reloads_1): Likewise.
2479 (reload_cse_regs_1): Likewise.
2480 (reload_combine): Likewise.
2481 (reload_cse_move2add): Likewise.
2482 * reorg.c (redundant_insn): Use INSN_P.
2483 (dbr_schedule): Likewise.
2484 * resource.c (find_dead_or_set_registers): Use INSN_P.
2485 (mark_target_live_regs): Likewise.
2486 * rtlanal.c (reg_used_between_p): Use INSN_P.
2487 (reg_referenced_between_p): Likewise.
2488 (reg_set_between_p): Likewise.
2489 (reg_set_p): Likewise.
2490 (single_set): Likewise.
2491 (multiple_sets): Likewise.
2492 (find_last_value): Likewise.
2493 (reg_set_last): Likewise.
2494 (find_reg_note): Likewise.
2495 (find_regno_note): Likewise.
2496 * sibcall.c (sequence_uses_addressof): Use INSN_P.
2497 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
2498 * ssa.c (find_evaluations): Use INSN_P.
2499 (rename_block): Likewise.
2500 (rename_equivalent_regs): Likewise.
2501 * unroll.c (loop_find_equiv_value): Use INSN_P.
2502 (set_dominates_use): Likewise.
2503 * varasm.c (mark_constant_pool): Use INSN_P.
2504 (mark_constants): Likewise.
2505 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
2506 (alphaev4_next_group): Likewise.
2507 (alphaev5_next_group): Likewise.
2508 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
2509 (c4x_rptb_rpts_p): Likewise.
2510 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
2511 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
2512 (rs6000_adjust_priority): Likewise.
2513 * config/sh/sh.c (sh_loop_align): Use INSN_P.
2514 (machine_dependent_reorg): Likewise.
2515 (split_branches): Likewise.
2516 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
2518 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
2520 * combine.c (recog_for_combine): Remove the old notes
2521 prior to attempting to recognize the new pattern.
2522 (distribute_notes): Ignore REG_NONNEG notes.
2524 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
2526 * varasm.c (output_constructor): Add .align 0 for packed vars.
2528 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2530 * configure.in: Use default thread_file even when enable_threads is
2531 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
2532 * configure: Rebuilt.
2534 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
2536 2000-08-04 Donn Terry (donnte@microsoft.com)
2538 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
2540 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
2542 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
2543 Delete code that conditionally modifies 'version'.
2544 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
2545 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
2546 * gcc.c (main): Use it.
2547 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
2548 * prefix.c (update_path): Use it.
2549 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
2550 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
2551 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
2553 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
2554 (SUBTARGET_SWITCHES): Adjust.
2555 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
2557 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
2559 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2561 * c-common.h (flag_isoc94): Declare.
2562 * c-decl.c (flag_isoc94): Define.
2563 (c_decode_option): Set flag_isoc94 as appropriate.
2564 * c-common.c (T_PD, T_IM, T_UIM): Define.
2565 (format_char_info): Add tlen and jlen.
2566 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
2568 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
2570 (time_char_table): Add NULL entries for %t and %j.
2571 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
2572 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
2573 Warn for printf %lf if pedantic and not C99. Don't warn for empty
2574 precision. Allow precision argument to be unsigned int. If
2575 pedantic, warn for %p passed an argument not a pointer to possibly
2576 qualified void or a possibly qualified character type, and for
2577 pointer targets of the wrong sign, except for character pointers.
2579 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2581 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
2582 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
2583 (wint_type_node): Define.
2584 * c-decl.c (WINT_TYPE): Define.
2585 (init_decl_processing): Create the wint_type_node type.
2586 * c-common.c (T_WI): Define.
2587 (print_char_table): Use T_WI for %lc format.
2589 2000-08-04 Bruce Korb <bkorb@gnu.org>
2591 * fixinc/: Verified that the MSDOS patch does not break
2592 the UNIX functionality and applied the next three patches
2595 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
2597 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
2598 output file with the temporary one by appending ".X" to generate
2599 the temporary fuile's name. If the output file already has an
2600 extension, replace it with ".X".
2602 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
2603 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
2604 reallocate the command buffer while copying the command-line
2605 argument. Redirect the output directly to the temporary file,
2606 instead of going through another temporary file.
2607 (process): Close the temporary file before unlinking it.
2608 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
2609 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
2610 (run_compiles): Pass p_fixd argument to machine_matches, as it
2613 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
2614 environment, assume there are no symlinks in the include
2615 directory. When cleaning up the DONE files, look for them
2616 case-insensitively. Don't try to remove symlinks if they aren't
2619 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
2620 all callers changed. Declare pz "const char *", to avoid compiler
2623 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
2624 Change prototype of make_raw_shell_str.
2626 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
2628 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
2629 (initialize) [__MSDOS__]: Use tempnam.
2630 (initialize): Don't use SIGPIPE if it is not defined.
2632 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
2635 2000-07-25 Bruce Korb <bkorb@gnu.org>
2637 * fixinc/fix*.[ch]: substantially reworked to make it possible
2638 to run this program without using fork(2) or pipe(2) (i.e. in
2641 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2643 * cppdefault.h (WINT_TYPE): Define.
2644 * cppinit.c (builtin_array): Define __WINT_TYPE__.
2645 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
2646 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
2648 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
2650 * (mips_legitimate_address_p): Don't allow register+offset
2651 if the offset is large and negative, and we are compiling
2652 for 64 bit registers.
2654 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2656 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
2657 insn_code_number + 1.
2659 2000-08-04 Kazu Hirata <kazu@hxi.com>
2661 * h8300.c (function_prologue): Rearrange code for conciseness.
2662 (function_epilogue): Likewise.
2663 * h8300.h (OK_FOR_U): Fix formatting.
2665 * cse.c: Fix a comment typo. Fix formatting.
2667 2000-08-03 Richard Henderson <rth@cygnus.com>
2669 * config/i386/i386.md (return_indirect_internal): New.
2670 * config/i386/i386.c (ix86_expand_epilogue): Use it.
2672 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
2674 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
2676 (lex_line): Glue @ onto the beginning of identifiers and
2677 string constants, in Objective-C mode.
2678 (output_token, spell_token): Handle CPP_OSTRING.
2679 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
2680 beginning of a NAME or a STRING, in objc mode.
2682 * cpplib.c (get_define_node): Do not permit identifiers that
2683 begin with @ to be #defined.
2684 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
2685 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
2687 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
2688 * c-tree.h (build_objc_string): Delete prototype.
2689 * objc/objc-tree.def: Delete OBJC_STRING_CST.
2690 * c-lex.c (yylex): Use build_string for all three kinds of strings.
2692 * c-parse.in, objc/objc-act.c: Update commentary.
2694 2000-08-03 Mark Mitchell <mark@codesourcery.com>
2696 * extend.texi: Fix typo in last change.
2698 * extend.texi: Add commentary on statement-expressions and their
2699 interactions with C++.
2701 2000-08-03 Nick Clifton <nickc@cygnus.com>
2703 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
2704 * dwarf.h (LANG_JAVA): Change value to 0x000b.
2706 2000-08-03 Anthony Green <green@cygnus.com>
2708 * dwarf2out.c (gen_compile_unit_die): Add java language support.
2709 (add_bound_info): Check for java language.
2710 (is_java): New function.
2711 * dwarfout.c (output_compile_unit_die): Ditto.
2712 * dwarf.h (dwarf_source_language): Add java source language type.
2713 * dwarf2.h (dwarf_source_language): Ditto.
2715 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
2717 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
2720 * i386.c (ix86_expand_branch): Mode of comparison in
2721 IF_THEN_ELSE is VOIDmode.
2723 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
2725 * gengenrtl.c, rtl.c: Avoid #elif.
2727 2000-08-03 Michael Poole <poole@troilus.org>
2729 * tm.texi (Register Classes): Clarify order of sub-initializers
2730 in REG_CLASS_CONTENTS.
2732 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2734 From SAITOH Masanobu:
2735 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
2737 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
2739 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
2740 is not supported by tradcpp and isn't actually needed for cygwin.
2742 2000-08-03 Kazu Hirata <kazu@hxi.com>
2744 * h8300.c: Fix a comment typo.
2745 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
2747 * jump.c: Fix formatting.
2749 * toplev.c: Fix formatting.
2751 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
2753 * flow.c (find_auto_inc): Verify that we've got a REG before
2754 peeking at its regno. Fail, don't abort if we can't find
2755 the increment of the desired register.
2757 * pa.md (shadd height reduction patterns/splitters): Remove.
2759 2000-08-02 Jim Wilson <wilson@cygnus.com>
2761 * config/ia64/ia64-protos.h (flag_ssa): Declare.
2762 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
2764 2000-08-02 Mark Mitchell <mark@codesourcery.com>
2766 * dce.c: Remove all uses of assert.
2767 * dwarf2out.c: Likewise.
2768 * dwarfout.c: Likewise.
2771 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2773 * gcc.h (lang_specific_driver): Constify second argument.
2774 * gcc.c (translate_options, process_command, main): Likewise.
2775 Constify variables to match. Cast second argument to
2778 * cppspec.c, gccspec.c: Adjust type of second argument to
2779 lang_specific_driver, and update code as necessary.
2781 2000-08-02 Jakub Jelinek <jakub@redhat.com>
2783 * loop.c (scan_loop): Ensure update_end label does not
2784 go away until reg_scan_update is run.
2786 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2788 * c-common.h: Prototype min_precision and c_build_qualified_type here...
2789 * c-tree.h: ... not here.
2790 * errors.h: Prototype fancy_abort.
2792 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
2793 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
2794 * regrename.c (regrename_optimize): Make control flow explicit.
2795 (replace_reg_in_block): Initialize reg_use to 0.
2797 * i386.c (legitimate_address_p): Rename error label to
2798 report_error to avoid namespace clash.
2800 2000-08-02 Kazu Hirata <kazu@hxi.com>
2802 * fold-const.c: Fix formatting.
2804 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
2806 * i386.c (legitimate_address_p): Accept other bases than
2807 pic_offset_table_rtx for GOTOFF constructs.
2809 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
2811 * i386.md (shift to lea splitter): Use const_int_operand.
2813 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2815 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
2816 cppspec.c: Do not use 'legal' or 'illegal' in error messages
2819 * cppmain.c (cb_define, cb_undef): Don't generate any output
2820 if not done_initializing.
2821 * cpplex.c (maybe_paste_with_next): When the token after a ##
2822 is an omitted rest argument, only delete the token before it
2823 if that token is a comma. Do not warn about bogus token
2824 pastes for , ## rest_arg.
2827 * cpp.1: Regenerate.
2829 2000-08-02 Fred Fish <fnf@be.com>
2831 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
2832 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
2835 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
2836 Be directories to search path.
2838 Remove support for __declspec(dllimport) and __declspec(dllexport).
2839 This is leftover cruft from the earlier BeOS gcc port when BeOS
2840 used Microsoft's PE object file format.
2841 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
2842 * config/i386/t-beos (winnt.o): Remove Makefile frag.
2843 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
2844 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
2845 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
2846 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
2847 (REDO_SECTION_INFO_P): Remove.
2848 (ASM_EXPORT_DECL): Remove.
2849 (ASM_DECLARE_FUNCTION_NAME): Remove.
2850 (ASM_DECLARE_OBJECT_NAME): Remove.
2851 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2852 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
2853 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
2854 (STRIP_NAME_ENCODING): Remove.
2856 Remove support for obsolete version of BeOS that is no longer
2858 * configure.in (i*86-*-beospe*): Remove.
2859 * config/i386/beos-pe.h: Remove.
2861 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
2862 Mark Mitchell <mark@codesourcery.com>
2864 * Makefile.in (OBJS): Added dce.o.
2865 (ssa.o): Updated target to include ssa.h.
2867 (toplev.o): Likewise.
2868 (dce.o): Created target.
2869 * basic-block.h: Added comments.
2870 (INVALID_BLOCK): Added definition.
2871 (connect_infinite_loops_to_exit): Added declaration.
2872 Moved SSA declarations to ssa.h.
2873 * flow.c: Added inclusion of ssa.h.
2874 (struct depth_first_search_dsS, depth_first_search_ds):
2876 (compute_immediate_postdominators): Added definition.
2877 (connect_infinite_loops_to_exit): Likewise.
2878 (flow_dfs_compute_reverse_init): Likewise.
2879 (flow_dfs_compute_reverse_add_bb): Likewise.
2880 (flow_dfs_compute_reverse_execute): Likewise.
2881 (flow_dfs_compute_reverse_finish): Likewise.
2882 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
2883 (LABEL_P): Added definition.
2886 (BARRIER_P): Likewise.
2887 (JUMP_TABLE_DATA_P): Likewise.
2888 (INSN_DEAD_CODE_P): Likewise.
2889 * ssa.c: Replaced inclusions with ssa.h inclusion.
2890 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
2891 (rename_registers): Removed unnecessary variables.
2892 * ssa.h: Created by moving declarations from ssa.c and
2894 * timevar.def: Defined TV_DEAD_CODE_ELIM.
2895 * toplev.c: Added ssa.h inclusion.
2896 (dump_file_index): Added DFI_dce.
2897 (dump_file): Added "dce" entry.
2899 (f_options): Added dce entry.
2900 * invoke.texi: Document -fdce. Emphasize experimental status of
2904 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
2906 * cpperror.c (v_message): Split into _cpp_begin_message and
2907 v_message macro. All callers updated.
2908 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
2911 * cppfiles.c (cpp_syshdr_flags): New function.
2912 (read_include_file): Don't call cpp_output_tokens. Call
2914 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
2915 (cpp_reader_init): Don't initialize token_buffer. Call
2916 _cpp_init_internal_pragmas.
2917 (cpp_cleanup): Don't clear token_buffer.
2918 (cpp_start_read): Don't worry about output from -D processing.
2919 Don't call cpp_output_tokens.
2920 (cpp_finish): Don't dump macros here. Don't call
2922 * cppmacro.c (_cpp_dump_definition): Rename
2923 cpp_dump_definition. Write directly to a FILE *.
2924 (dump_funlike_macro): Delete.
2925 (dump_macro_args): New.
2927 * cpplex.c (TOKEN_LEN): Convert to inline function.
2928 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
2929 cpp_scan_line, _cpp_dump_list): Delete.
2930 (cpp_printf, cpp_output_list): New.
2931 (output_line_command): Don't worry about entering or leaving files.
2932 (cpp_scan_buffer): Just output each token as we hit it.
2933 (process_directive): Don't call cpp_output_tokens.
2934 (_cpp_glue_header_name): Don't use token_buffer.
2935 (output_token, dump_param_spelling): Write directly to a FILE *.
2937 * cpplib.c (pass_thru_directive, dump_macro_name,
2938 pragma_dispatch, do_pragma_gcc): Delete.
2939 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
2940 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
2942 (do_error, do_warning, pragma_dependency): Call
2943 _cpp_begin_message, then cpp_output_list.
2944 (cpp_register_pragma, cpp_register_pragma_space,
2945 _cpp_init_internal_pragmas): New.
2946 (do_pragma): Walk the pragmas table here.
2947 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
2948 do_pragma_dependency): Return void.
2949 (do_pragma_implementation): Moved to cppmain.c.
2951 * cpplib.h: Update prototypes.
2952 (struct cpp_reader): Remove printer, token_buffer,
2953 token_buffer_size, and limit. Add struct cb, and pragmas.
2954 (struct cpp_printer): Remove last_id and written.
2955 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
2956 CPP_ADJUST_WRITTEN): Delete.
2957 * cpphash.h: Update prototypes.
2958 (ufputs): New wrapper.
2960 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
2961 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
2962 (main): Set up callbacks. Register #pragma implementation.
2963 Dump macros from here.
2965 2000-08-01 Geoff Keating <geoffk@cygnus.com>
2967 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
2968 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
2969 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
2970 insns if they have a REG_MAYBE_DEAD note attached.
2971 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
2972 (rs6000_emit_load_toc_table): TOC loads may go dead.
2974 2000-08-01 Jim Wilson <wilson@cygnus.com>
2976 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
2977 type exists before using it. Use number of words as alignment
2979 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
2980 ia64_va_arg): Propagate ia64_function_args changes here.
2982 2000-08-01 Richard Henderson <rth@cygnus.com>
2984 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
2985 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2987 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
2989 From Joern Rennecke:
2990 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
2991 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
2992 unless TARGET_SH3E is set.
2993 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
2995 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
2996 (ashlsi3_std): New pattern.
2997 (ashlsi3 expander): Use it for TARGET_SH3.
2998 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
3000 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3002 * loop.c (canonicalize_condition): Use destination, not source to
3003 determine SET's mode.
3005 2000-07-31 Mark Mitchell <mark@codesourcery.com>
3007 * flow.c (clear_log_links): Fix typo.
3009 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
3011 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
3012 on targets which need more than one insn for a compare/cbranch
3015 2000-07-31 Jim Wilson <wilson@cygnus.com>
3017 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
3018 when computing offset.
3020 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
3022 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
3024 2000-07-31 Geoff Keating <geoffk@cygnus.com>
3026 * flow.c (clear_log_links): Nuke global_live_at_start and
3027 global_live_at_end data, since if the log_links stuff is invalid
3028 so is global_live_at_*.
3030 2000-07-31 Richard Henderson <rth@cygnus.com>
3032 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
3034 2000-07-31 Jakub Jelinek <jakub@redhat.com>
3036 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
3037 (_cpp_get_token): Don't macro expand a just pasted token if it
3038 was pasted at no_expand_level.
3040 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3042 * cppmacro.c (find_param, count_params, save_expansion):
3043 Permit 'defined' as a macro parameter name.
3045 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3047 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
3048 xcpp to cpp throughout.
3049 (native): Remove unnecessary dependency on cpp.
3051 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
3052 tradcpp to tradcpp0.
3053 (.i spec): Add missing output-file spec to cc1 command line.
3054 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
3056 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3058 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
3059 (implicit_decl_warning): New function.
3060 (implicitly_declare): Use it.
3061 * c-typeck.c (build_external_ref): Use implicit_decl_warning
3062 to complain about implicit decls of builtins.
3064 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
3065 based on pedantic && flag_isoc99, if not already set.
3066 * c-tree.h: Declare mesg_implicit_function_declaration.
3067 Prototype implicit_decl_warning.
3069 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
3071 * Makefile.in (ssa.o): Updated header files in dependences.
3072 * basic-block.h: Added compute_immediate_postdominators declaration.
3073 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
3075 * flow.c (compute_immediate_dominators): Updated comment.
3076 (compute_immediate_postdominators): Added definition.
3077 * rtl.h (HARD_REGISTER_P): Added definition.
3078 * ssa.c: Include additional header files.
3079 (assert): Added definition.
3080 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
3081 include select hard registers.
3082 (ssa_rename_to_insert): Likewise.
3083 (ssa_rename_from_initialize): Likewise.
3084 (ssa_rename_from_lookup): Likewise.
3085 (original_register): Likewise.
3086 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
3087 include select hard reigsters.
3088 (ssa_rename_from_traverse): Likewise.
3089 (ssa_rename_from_free): Likewise.
3090 (ssa_rename_from_print): Likewise.
3091 (ssa_rename_from_print_1): Likewise.
3092 (ssa_rename_from_hash_function): Likewise.
3093 (ssa_rename_from_equal): Likewise.
3094 (ssa_rename_from_delete): Likewise.
3095 (simplify_to_immediate_dominators): Removed in favor of
3096 flow.c:compute_immediate_dominators.
3097 (find_evaluations_1): Modified to work with hard registers.
3098 (insert_phi_node): Likewise.
3099 (insert_phi_nodes): Likewise.
3100 (struct rename_set_data): Updated prev_reg comment.
3101 (create_delayed_rename): Modified to work with hard registers.
3102 (RENAME_NO_RTX): Updated comment.
3103 (apply_delayed_renames): Modified to work with hard registers.
3104 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
3105 (rename_block): Updated to use revised ssa_rename_to interface.
3106 (rename_registers): Updated to use revised ssa_rename_to and
3107 ssa_rename_from interface.
3108 (convert_to_ssa): Revised to use compute_immediate_dominators and
3109 deal with hard registers.
3110 (make_regs_equivalent_over_bad_edges): Modified to work with hard
3111 registers. Added check for illegal unification of hard register.
3112 (make_equivalent_phi_alternatives_equivalent): Modified to work
3113 with hard registers.
3114 (compute_conservative_reg_partition): Likewise.
3115 (coalesce_if_unconflicting): Modified to work with hard registers
3116 and check for conflicting hard registers.
3117 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
3119 (rename_equivalent_regs_in_insn): Modified to work with hard
3121 (record_canonical_element_1): Added definition.
3122 (check_hard_regs_in_partition): Added definition.
3123 (convert_from_ssa): Added data structure deallocation and check
3124 for illegal hard register unification.
3125 (conflict_hard_regs_p): Added definition.
3126 * toplev.c (rest_of_compilation): Added comment.
3128 2000-07-31 Anthony Green <green@redhat.com>
3130 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
3132 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
3134 * builtins.c (expand_builtin_apply): Don't defer pop during
3137 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3139 * calls.c (combine_pending_stack_adjustment_and_call): Only use
3140 preferred_unit_stack_boundary when it is > 1.
3142 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
3144 * c-common.c (init_function_format_info): Add C99 format functions
3147 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
3148 void' or 'register void' as being the special case of 'void' alone
3149 in a parameter list.
3151 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
3152 discarding qualifiers into a plain warning.
3154 2000-07-31 Kazu Hirata <kazu@hxi.com>
3156 * combine.c: Fix formatting.
3158 * h8300.md: Fix formatting.
3160 * local-alloc.c: Fix formatting.
3162 * h8300.c (get_shift_alg): Remove the variable alg.
3163 (emit_a_shift): Rearrange code to improve readability.
3165 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
3167 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
3168 HImode on all architectures and a combination of HImode and SImode
3169 on H8/300H and H8/S.
3171 * h8300.c (split_adds_subs): Rearrange code for conciseness.
3173 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3175 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
3178 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3180 * recog.c (extract_insn): Set operand_mode according to
3181 operand if match_operand is VOIDmode.
3183 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3185 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
3187 2000-07-31 Geoff Keating <geoffk@cygnus.com>
3189 * c-parse.in (extdefs): Call ggc_collect between external
3192 2000-07-30 Michael Hayes <mhayes@cygnus.com>
3193 Richard Henderson <rth@cygnus.com>
3195 * Makefile.in (OBJS): Add doloop.o.
3196 * doloop.c: New file.
3198 * final.c (insn_current_reference_address): Return 0 before final.
3199 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
3200 * jump.c (any_uncondjump_p): Likewise.
3201 * loop.c (indirect_jump_in_function): Make static.
3202 (strength_reduce): Call doloop_optimize.
3203 (insert_bct, instrument_loop_bct): Remove.
3204 * loop.h (doloop_optimize): Prototype.
3205 * recog.c (split_all_insns): Split all INSN_P.
3206 * toplev.c (flag_branch_on_count_reg): Default on.
3208 * config/c4x/c4x.c (c4x_optimization_options): Don't set
3209 flag_branch_on_count_reg.
3210 * config/i386/i386.c (override_options): Likewise.
3211 * config/rs6000/rs6000.c (optimization_options): Likewise.
3213 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
3215 (dbra_ge): Remove, as well as all it's splitters.
3217 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
3220 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
3221 (ia64_register_move_cost): Declare.
3222 * config/ia64/ia64.c (ar_lc_reg_operand): New.
3223 (struct ia64_frame_info): Add ar_size.
3224 (ia64_compute_frame_size): Set it.
3225 (save_restore_insns): Save and restore ar.lc.
3226 (ia64_register_move_cost): New, moved from header file. Handle
3227 application registers.
3228 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
3229 (emit_insn_group_barriers): Special case doloop_end_internal.
3230 (ia64_epilogue_uses): Mark ar.lc live at end.
3231 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
3232 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
3233 (FIRST_PSEUDO_REGISTER): Make room.
3234 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
3235 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
3236 (REG_ALLOC_ORDER): Update.
3237 (HARD_REGNO_MODE_OK): Update.
3238 (REGISTER_NAMES): Update.
3239 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
3240 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3241 (REGNO_REG_CLASS): Update.
3242 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
3243 (REGISTER_MOVE_COST): Move out of line.
3244 (PREDICATE_CODES): Update.
3245 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
3246 (addsi3_plus1_alt, adddi3_plus1_alt): New.
3247 (shladd_elim splitter): Allow constants in the predicate.
3248 (doloop_end, doloop_end_internal): New.
3250 2000-07-30 Richard Henderson <rth@cygnus.com>
3252 * genattrtab.c (struct insn_def): Add lineno member.
3253 (struct insn_ent): Likewise.
3254 (struct attr_desc): Likewise.
3255 (struct delay_desc): Likewise.
3256 (struct function_unit_op): Likewise.
3257 (struct function_unit): Likewise.
3258 (check_attr_value): Use message_with_line.
3259 (check_defs): Likewise.
3260 (expand_units): Likewise.
3261 (check_attr_test): Take a lineno argument.
3262 (gen_attr): Likewise.
3263 (gen_insn): Likewise.
3264 (gen_delay): Likewise.
3265 (gen_unit): Likewise.
3266 (main): Give it to them.
3267 (convert_set_attr_alternative): Take an insn_def argument
3268 instead of num_alt and insn_index.
3269 (convert_set_attr): Likewise.
3270 (write_test_expr): Protect INSN_ADDRESSES load
3271 with INSN_ADDRESSES_SET_P.
3273 2000-07-30 Richard Henderson <rth@cygnus.com>
3275 * flow.c (init_propagate_block_info): Use pc_set.
3277 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
3279 * i386.md (*lea_general_[123]) New insns and splits.
3280 (addsi3 to lea splitter): Handle other modes too.
3281 (shlsi3 to lea splitter): Likewise.
3282 (addhi_1_lea, shlhi_1_lea): New patterns.
3283 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
3285 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
3287 * recog.c (general_operand, nonimmediate_operand): Accept
3288 any mode for VOIDmode CONSTANT_P operands.
3290 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3292 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
3293 instead of replace_rtx.
3294 * recog.c (validate_replace_rtx_subexp): New function.
3295 * recog.h (validate_replace_rtx_subexp): Declare.
3297 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
3299 * combine.c (simplify_set, make_extraction, make_compound_operation
3300 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
3301 as force_to_mode argument.
3303 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3305 * combine.c (if_then_else_cond): Be sure that mode fits in
3308 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3310 * combine.c (record_promoted_value): Allow bitsize of mode
3311 to be equivalent to HOST_BITS_PER_WISE_INT.
3313 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3315 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
3316 Do not call gen_mode_alignment when mode is BLKmode.
3318 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
3320 * loop.c (express_from_1): Fix call of simplify_gen_binary.
3322 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3324 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
3325 VOIDmode implies both operands to be VOIDmode.
3326 (simplify_ternary_operation): Compute properly the mode of comparison.
3327 * combine.c (combine_simplify_rtx): Likewise.
3329 2000-07-25 Michael Hayes <mph@paradise.net.nz>
3331 * basic-block.h (struct loops): New field rc_order.
3332 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
3333 (flow_loops_free): Free rc_order.
3334 (flow_depth_first_order_compute): New parameter rc_order.
3335 (flow_loops_find): Allocate rc_order and swap usage with
3338 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3339 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3341 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
3342 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
3343 (nodb_call, return_from_epilogue): Likewise.
3344 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
3345 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
3346 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
3347 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3348 (c4x_valid_type_attribute_p): Likewise.
3349 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
3350 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
3352 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3354 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
3355 and loadhi_big_constant if applicable.
3356 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
3357 and add new splitter.s
3359 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3361 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
3363 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3365 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
3367 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3369 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
3371 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3373 * config/c4x/libgcc.S (divqf3): Improve accuracy.
3375 2000-07-27 Mark Mitchell <mark@codesourcery.com>
3377 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
3378 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
3379 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
3380 (get_prev_bb_note): Likewise.
3381 (remove_scope_notes): Likewise.
3382 * flow.c (commit_one_edge_insertion): Likewise.
3383 (merge_blocks_nomove): Likewise.
3384 (verify_flow_info): Likewise.
3385 * gcse.c (insert_insn_end_bb): Likewise.
3386 * reg-stack.c (emit_swap_insn): Likewise.
3387 * ssa.c (first_insn_after_basic_block_note): New function.
3388 (insert_phi_node): Use it.
3389 (rename_block): Likewise.
3390 (eliminate_phi): Likewise.
3391 (make_regs_equivalent_over_bad_edges): Likewise.
3392 (make_equivalent_phi_alternatives_equivalent): Likewise.
3393 (for_each_successor_phi): Likewise.
3394 (convert_from_ssa): Modify phi-node deletion algorithm.
3396 2000-07-29 Andreas Jaeger <aj@suse.de>
3398 * configure.in (mips*-*-linux*): Use mips*el to check for little
3399 endian MIPS, add tmake_file.
3401 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
3402 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
3403 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
3405 2000-07-28 Richard Henderson <rth@cygnus.com>
3407 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
3408 Sign extend mode size before negating.
3410 2000-07-28 Richard Henderson <rth@cygnus.com>
3412 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
3414 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
3416 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
3417 (cse_insn): Likewise.
3418 (addr_affects_sp_p): Likewise.
3419 * expr.c (move_by_pieces): Likewise.
3420 (clear_by_pieces): Likewise.
3421 * gcse.c (oprs_unchanged_p): Likewise.
3422 * haifa-sched.c (sched_analyze_2): Likewise.
3423 * recog.c (offsettable_address_p): Likewise.
3424 * regclass.c (record_address_regs): Likewise.
3425 * reload.c (find_reusable_reload): Likewise.
3426 (push_reload): Likewise.
3427 (operands_match_p): Likewise.
3428 (decompose): Likewise.
3429 (find_reloads_address_1): Likewise.
3430 (find_inc_amount): Likewise.
3431 * reload1.c (elimination_effects): Likewise.
3432 * resource.c (mark_set_resources): Likewise.
3433 * flow.c (attempt_auto_inc): New function; mostly broken out
3435 (find_auto_inc): Split into two functions and enhanced to
3436 generate POST_MODIFY.
3437 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
3438 * rtl.h (count_all_occurrences): Declare.
3439 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
3441 * rtlanal.c (count_all_occurrences): New function.
3442 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
3443 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
3445 * config/ia64/ia64-protos.h (destination_operand): Declare.
3446 * config/ia64/ia64.c (destination_operand): New function.
3447 (ia64_print_operand): Handle POST_MODIFY.
3448 (rtx_needs_barrier): Likewise.
3449 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
3450 (HAVE_POST_MODIFY_REG): Define to 1.
3451 (MAX_REGS_PER_ADDRESS): Change to 2.
3452 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
3453 (LEGITIMATE_ADDRESS_REG): New helper macro.
3454 (LEGITIMATE_ADDRESS_DISP): Likewise.
3455 (PREDICATE_CODES): Add entry for destination_operand.
3456 * config/ia64/ia64.md (all mov patterns): Use destination_operand
3457 predicate for operand 0.
3459 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3461 * dwarf2out.c: Indent #error directive.
3463 * gbl-ctors.h: Fix typo in comment.
3464 (__do_global_ctors): Prototype.
3466 * gcse.c (record_one_set, pre_delete): Remove unused variables.
3468 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
3469 (print_operand): Initialize variable `t'.
3471 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
3473 * config/arm/arm.md ("call_value"): removed constraints.
3474 Constraints are ignored in expanders.
3475 (*call_value_reg): split =rf into various constraints.
3476 (*call_value_mem): same
3477 (*call_value_symbol): same
3478 (*sibcall_value_insn): same
3480 2000-07-28 Philipp Thomas <pthomas@suse.de>
3482 * install.texi (--enable-nls): Change the description of the NLS
3483 related configure options to match the current state.
3484 (--with-included-gettext): Likewise.
3485 (--enable-maintainer-mode): New description added.
3486 * extend.texi (-fstrict-prototype): Add missing '.'.
3488 2000-07-27 Jim Wilson <wilson@cygnus.com>
3490 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
3491 DECL_INITIAL (decl) == NULL_TREE.
3493 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
3495 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
3496 on insn-attr.h with it.
3497 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
3498 * insn-addr.h: New header.
3499 (insn_addresses_): Renamed from insn_addresses.
3500 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
3501 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
3502 INSN_ADDRESSES_NEW): New macros.
3503 * genattrtab.c (write_test_expr): Use new macros.
3504 * final.c (insn_addresses, init_insn_lengths): Likewise.
3505 (align_fuzz, shorten_branches): Likewise.
3506 (final): Likewise. Do not reject new insns if their addresses
3507 have been added to INSN_ADDRESSES.
3508 * config/arm/arm.c, config/avr/avr.c: Use new macros.
3509 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
3510 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
3511 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
3512 * config/sh/sh.c: Likewise.
3513 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
3515 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
3517 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
3519 * gcc.c (struct prefix_list): Add member priority.
3520 (enum path_prefix_priority): Declare.
3521 (add_prefix): Replace ``first'' with ``priority''. Append new
3522 entry but keep list in priority order.
3523 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
3524 PREFIX_PRIORITY_LAST to add_prefix.
3525 (process_command): Move include kludge - foo/stageN - to before
3528 2000-07-27 Jason Merrill <jason@redhat.com>
3530 * dwarf2out.c (gen_typedef_die): Abort if we get identical
3531 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
3533 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
3535 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
3536 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
3538 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
3540 * c-decl.c (finish_function): Don't treat 'main' specially unless
3541 flag_hosted. In C99 mode, return 0 from 'main' unless
3542 DEFAULT_MAIN_RETURN is otherwise defined.
3544 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
3545 parameters defaulting to int in an old-style function definition.
3547 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3549 * c-parse.in (string): For -Wtraditional, warn about string
3550 concatenation only once per line.
3552 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
3554 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
3555 for HI-UX/WE2 systems.
3557 2000-07-24 Bruce Korb <bkorb@gnu.org>
3559 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
3560 defining the __xxx_TYPE__ macros.
3561 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
3562 * fixincl/fixlib.h: don't need to include "tm.h" anymore
3563 * fixincl/inclhack.def(type_map): now obsolete
3565 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
3567 * cpp.texi: Append a trailing full-stop to xrefs where needed.
3569 2000-07-26 Dave Pitts <dpitts@cozx.com>
3571 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
3573 (mvs_hash_alias): New function.
3574 (mvs_add_alias): Change argument spacing.
3575 (mvs_need_alias): Change aliasing criteria. Added documentation.
3576 (mvs_get_alias): Change to use hashed name. The hashed name prevents
3577 CSECT name collisions.
3578 (mvs_check_alias): Likewise.
3579 (handle_pragma): Change documentation.
3580 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
3581 mode from SImode to DImode.
3582 (iorhi3): Changed LTORG size for insn.
3584 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3586 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3587 mem if the address is a mode_dependent_address_p.
3589 2000-07-26 Kazu Hirata <kazu@hxi.com>
3591 * h8300.c (print_operand): Print ":8" when the 'R' operand is
3592 suitable for 8-bit absolute.
3593 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
3594 (OK_FOR_U): Add a case for the 8-bit constant address on the
3597 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
3599 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
3600 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
3601 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
3602 lack of implemented alignment.
3604 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
3606 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
3607 cross-compiling between 64-bit and 32-bit machines.
3609 2000-07-27 Richard Henderson <rth@cygnus.com>
3611 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
3612 (movhicc_astep, movhi_internal_astep): New.
3613 (movsicc_astep, movsi_internal_astep): New.
3614 (movdicc_astep, movdi_internal_astep): New.
3615 (movsfcc_astep, movsf_internal_astep): New.
3616 (movdfcc_astep, movdf_internal_astep): New.
3617 (movxfcc_astep, movxf_internal_astep): New.
3618 (cmovdi_internal_astep, cmovsi_internal_astep): New.
3619 Unify the cmov[ds]i splitters.
3621 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
3623 * real.c (asctoeg): Rename `error' label to unexpected_char_error
3625 2000-07-26 Nick Clifton <nickc@cygnus.com>
3627 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
3628 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
3630 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
3631 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
3633 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
3635 * c-decl.c (finish_enum): Convert enumerations that fit in an
3637 (build_enumerator): In pedantic mode, cast to `int' those that
3640 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
3642 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
3644 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3646 * sh.md (cmpgtdi_t): Must be split.
3647 (cmpgtdi_t+1): New splitter.
3649 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
3651 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
3652 warnings for indented directives even if we are skipping.
3654 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
3656 * invoke.texi (strict-prototypes): Remove.
3657 * extend.texi (Deprecated Features): Add strict-prototypes.
3658 (Backwards Compatibility): New node.
3660 2000-07-25 Jakub Jelinek <jakub@redhat.com>
3662 * config/i386/i386.md (andsi_1+1): Allow HImode.
3663 (andsi_1+2): Require q_regs_operand.
3665 2000-07-25 Jakub Jelinek <jakub@redhat.com>
3667 * config/i386/i386.md (call_pop): Check operands[0],
3668 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
3670 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
3671 (call_value): Likewise.
3673 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
3675 * toplev.c (pipe_closed): Delete.
3676 (crash_signal): New. Generate ICE for a fatal signal.
3677 (float_signal): Call crash_signal outside a float-handler
3679 (main): Install crash_signal as handler for core-dumping signals.
3681 2000-07-25 David Edelsohn <edelsohn@gnu.org>
3683 * rs6000.c (print_operand, case 'T'): New case.
3685 * rs6000.md (call_indirect_aix32): Convert to expander of
3686 scheduled instructions.
3687 (call_indirect_aix64): Likewise.
3688 (call_value_indirect_aix{32,64}): Likewise.
3689 (call, call_value): Invoke expanders for AIX. Fall through to
3691 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
3692 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
3693 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
3694 only "g" constraint.
3695 (call_nonlocal_aix64): Likewise.
3696 (call_value_nonlocal_aix{32,64}): Likewise.
3697 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
3699 (call_value_nonlocal_sysv): New pattern.
3700 (indirect_jump{si,di}): Use new 'T' modifier.
3701 (tablejump{si,di} matchers): Likewise.
3702 (return_internal_{si,di}): Likewise.
3703 (return_eh_{si,di}): Likewise.
3705 2000-07-24 Richard Henderson <rth@cygnus.com>
3707 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
3708 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
3709 * config/ia64/ia64.md (movdi_internal): Use it.
3711 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
3713 * cppexp.c: Warn about unary + if -Wtraditional.
3714 * cpplex.c (lex_line): Always set BOL on the first token of a line.
3716 2000-07-24 Michael Meissner <meissner@redhat.com>
3718 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
3721 2000-07-24 Nick Clifton <nickc@cygnus.com>
3723 * config/arm/arm.c (emit_multi_reg_push): Generate a
3724 REG_FRAME_RELEATED_NOTE that is compatable with the code in
3725 dwarf2out_debug_frame_expr.
3727 2000-07-24 Jason Merrill <jason@redhat.com>
3729 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
3730 UNALIGNED_INT_ASM_OP.
3731 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
3732 a location expression.
3733 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
3734 assume indirect access if we're saving the CFA address exactly.
3736 * Makefile.in (bootstrap): Move -BstageN/ to the end.
3738 2000-07-24 Jakub Jelinek <jakub@redhat.com>
3740 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
3743 2000-07-24 Michael Meissner <meissner@redhat.com>
3745 * invoke.texi (D30V Options): Add d30v options.
3747 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
3749 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
3750 needed by our gcse pass anymore.
3751 (free_pre_mem): Corresponding changes.
3752 (compute_pre_data): Do not call compute_transpout anymore.
3754 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
3755 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
3758 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
3759 (compute_pre_data): Do it here instead.
3761 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
3763 (pre_delete): Corresponding changes.
3765 2000-07-23 Mark Mitchell <mark@codesourcery.com>
3767 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
3768 to figure out whether or not a variable has already been emitted.
3770 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
3772 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
3773 instead of gen_call.
3775 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
3777 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
3779 2000-07-23 Kazu Hirata <kazu@hxi.com>
3781 * h8300.c: Fix formatting.
3783 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
3785 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
3786 for `long' switch expression into a plain warning.
3788 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
3789 (yylex): Don't pedwarn for "inline" in C99 mode.
3791 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
3793 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
3794 ggc_alloc): Likewise.
3795 * bb-reorder.c (dump_scope_forest_1): Likewise.
3797 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
3799 * reload.c (find_reloads_toplev): Add new parameter
3801 (find_reloads): Add new parameter to find_reloads_toplev calls.
3803 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
3805 * collect2.c (main): Typo fixed.
3806 * diagnostic.c: Typo fixed.
3807 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
3808 * eh-common.h: Typo fixed.
3809 * emit-rtl.c (start_sequence): Typo fixed.
3810 * flow.c (find_label_refs): Typo fixed.
3811 (calculate_global_regs_live): Typo fixed.
3812 (mark_regno_cond_dead): Typo fixed.
3813 (create_edge_list): Typos fixed.
3814 (verify_edge_list): Typo fixed.
3815 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
3816 * loop.c (strength_reduce): Typo in function name fixed.
3817 * rtl.h: Added comments. Typo in function name fixed.
3818 * rtlanal.c: Typo in function name fixed.
3819 (insn_dependant_p): Rename to ...
3820 (insn_dependent_p): ... this.
3821 (computed_jumo_p): Typo fixed.
3823 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3825 * system.h (__FUNCTION__): Wrap definition in #ifndef.
3827 2000-07-21 David Edelsohn <edelsohn@gnu.org>
3829 * rs6000.h (SIZE_TYPE): Define.
3831 2000-07-21 Mark Mitchell <mark@codesourcery.com>
3833 * ssa.c (rename_insn_1): Don't rename registers that are
3836 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
3838 * diagnostic.c (trim_filename, fancy_abort): Moved here from
3840 (fatal_function, set_fatal_function): Removed.
3841 (fatal): Don't prepare for or call the fatal_function.
3842 (diagnostic_lock, error_recursion): New.
3843 (diagnostic_for_decl, report_diagnostic): Guard against
3844 re-entering the error reporting routines.
3845 (fancy_abort): Assume function is not NULL.
3847 * errors.c (fancy_abort): New. Assume function is not NULL.
3848 * tradcpp.c (fancy_abort): Assume function is not NULL.
3850 * system.h: Provide default definition of __FUNCTION__.
3851 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
3852 Always use __FUNCTION__ in definition of abort.
3854 * varray.h: Likewise.
3855 * toplev.h: Likewise. Don't prototype set_fatal_function.
3857 2000-07-20 Geoff Keating <geoffk@cygnus.com>
3859 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
3861 * glimits.h: Don't do #if defined for ARCH_PPC.
3863 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
3864 constants of size no larger than a pointer should go in the TOC.
3865 Add 'MODE' parameter.
3866 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
3867 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
3868 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
3869 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
3870 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
3871 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
3872 (rs6000_legitimize_address): Likewise.
3873 (rs6000_emit_move): Likewise.
3874 (rs6000_select_rtx_section): Likewise.
3875 (output_toc): Deal properly with outputting small constants like
3876 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
3877 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
3878 MODE parameter. Put small constants in the TOC.
3880 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
3882 (rs6000_emit_move): When reload calls us with an illegitimate
3883 address, exit early. Move the change_address calls to one place
3884 at the end of the routine. Merge the SImode and DImode expanders.
3885 When called by reload to put an integer into a FP register, force
3888 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
3890 (rs6000_hash_constant): Hash mode too.
3891 (toc_hash_function): Allow for key_mode.
3892 (toc_hash_eq): Structures are different if key_mode differs.
3893 (output_toc): Add 'mode' parameter. Save key_mode.
3894 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
3895 Pass 'mode' parameter.
3896 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
3898 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
3899 for vtable references.
3901 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
3902 choice, don't put integer values in FP regs.
3904 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
3906 * flow.c (verify_flow_info): Revamp code to verify that the
3907 head and end of each basic block are in the insn chain.
3909 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
3911 * gcse.c (record_one_set): Prepend instead of append onto
3912 reg_set_table, making it O(n) instead O(n^2).
3913 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
3914 Use a queue instead of a stack as worklist.
3916 2000-07-20 Kazu Hirata <kazu@hxi.com>
3918 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
3919 * h8300.h (OK_FOR_T): New.
3920 (EXTRA_CONSTRAINT): Support OK_FOR_T.
3921 * h8300.md: Use inc/dec.[wl] for increment/decrement
3922 by 1 and 2 in HI and SI modes.
3924 2000-07-20 Jim Wilson <wilson@cygnus.com>
3926 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
3927 larger than 14 bits.
3929 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
3931 * cppmacro.c (CAN_PASTE_AFTER): New macro.
3932 (count_params): Don't set GNU_REST_ARGS on anything.
3933 (save_expansion): Set PASTE_LEFT only on tokens for which
3934 CAN_PASTE_AFTER is true, or which are named operators.
3936 * cpplex.c (parse_args): Distinguish between a rest argument
3937 given one empty argument, and a rest argument given zero arguments.
3938 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
3939 deletion of previous token based on that.
3940 (get_raw_token): Flatten some control structure.
3942 * cpplib.h (CPP_LAST_EQ): Correct.
3943 (VOID_REST): New token flag.
3944 (GNU_REST_ARGS): Delete.
3946 * tradcpp.c (main): Don't munge -D options.
3947 (make_definition): Bring -D handling in line with cpplib.
3948 (do_define): Strip all leading whitespace from macro definitions.
3950 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
3952 * Makefile.in (tradcpp): Depend on intl.o and version.o.
3954 2000-07-20 Bruce Korb <bkorb@gnu.org>
3956 * fixincl/check.tpl: strip the platform specific types before testing
3957 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
3958 * fixincl/fixincl.tpl: use platform specific types
3959 * fixincl/fixlib.h: include the platform specific types
3960 * fixincl/inclhack.def(gnu_types): don't supply the types
3961 * fixincl/fixincl.x: regen
3963 2000-07-19 Jim Wilson <wilson@cygnus.com>
3965 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
3968 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
3970 * tradcpp.c (rescan): Do not recognize directives when the #
3973 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
3975 Implement C++ named operators.
3977 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
3978 of operators allowed in #if and having an _EQ variant. Add
3979 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
3980 (cpp_token flags): Add NAMED_OP.
3981 (enum node_type): Add T_OPERATOR.
3982 (struct cpp_hashnode): Add code slot to value union.
3983 * cpphash.h (spec_nodes): Remove n_defined.
3985 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
3986 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
3987 (is_macro_disabled): Tweak error messages.
3989 * cpplib.c (get_define_node): Disallow all named operators as
3990 macro names. Tweak error messages.
3991 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
3993 * cppinit.c (builtin_array): Add entries for the named operators.
3994 * cppexp.c (lex): Check for CPP_DEFINED token.
3995 (priority table): Add entries for CPP_MIN and CPP_MAX.
3996 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
3998 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
4000 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
4001 larger than the array of cuids.
4002 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
4005 2000-07-19 Bruce Korb <bkorb@gnu.org>
4007 * fixinc/fixincl.c: Convert to using a table of environment variables
4008 and activate the auto-edit marker on the fixed output files.
4009 * fixinc/fixlib.h: Define the environment table
4010 * fixinc/fixincl.sh: export the ${INPUT} dir
4011 * fixinc/check.tpl: likewise
4013 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
4015 * gcc.c (.h spec): Fix typo.
4017 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
4019 * Makefile.in: Fix tradcif.c path.
4021 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
4023 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
4026 * cpphash.h (TOKEN_NAME): New macro.
4027 (_cpp_spell_operator): Deleted.
4028 (token_spellings): Now _cpp_token_spellings.
4030 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
4031 * cpplex.c: Use OP and TK macros when expanding the
4032 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
4033 store the stringification of the enumeration name (CPP_CHAR,
4034 etc.) in the name slot of token_spellings.
4035 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
4036 token_spellings directly.
4037 * cpplib.c: Use TOKEN_SPELL.
4039 * cpplex.c (_cpp_push_token): If the token being pushed back
4040 is the previous token in this context, just subtract one from
4042 * cppmacro.c (save_expansion): Clear aux field when storing a
4045 2000-07-18 Jakub Jelinek <jakub@redhat.com>
4047 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
4048 buffer, provided it is not NULL.
4050 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
4052 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
4053 case of invalid volatile re-declaration.
4055 2000-07-18 Jakub Jelinek <jakub@redhat.com>
4057 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
4058 (expand_call): Adjust caller.
4060 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
4062 * diagnostic.h (report_diagnostic): Change prototype.
4064 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
4065 diagnostic_for_decl): Change prototype.
4066 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
4067 error, warning, error_with_file_and_line,
4068 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
4069 Adjust call to report_diagnostic, diagnostic_for_decl.
4070 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
4071 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
4073 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
4074 varaible argument list.
4076 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
4078 * cpphash.c: Don't include hashtab.h. Most macro-handling code
4079 moved to cppmacro.c.
4080 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
4081 dump_hash_helper): Delete.
4082 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
4083 cpp_forall_identifiers): New. Implement specialized version of
4084 Vlad's expandable hash table.
4085 (cpp_lookup): Use new functions.
4086 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
4088 * cppmacro.c: New file.
4089 * cppinit.c (dump_macros_helper): New.
4090 (cpp_finish): Iterate over the identifier table directly.
4091 * cpplex.c (parse_name): Calculate the hash of the identifier
4092 while we scan it. Use _cpp_lookup_with_hash when we can.
4094 * cpphash.h: Update prototypes.
4095 (xcnewvec, HASHSTEP): New helper macros.
4096 * cpplib.h: Update prototypes.
4097 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
4098 (cppmacro.o): New rule.
4099 (cpphash.o): Update deps.
4101 * cppmain.c: Do not set pfile->printer if no_output is on.
4103 2000-07-15 Neil Booth <neilb@earthling.net>
4105 * cpplib.c: Change all directive-handler functions to return
4107 * cpphash.h: Update typedefs.
4109 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
4111 * configure: Regenerate.
4113 * extend.texi (Extended Asm): Mention that a memory clobber
4114 does not count as a side-effect.
4116 * unroll.c (copy_loop_body): Fix one instance of using host
4117 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
4120 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
4122 2000-07-17 Richard Henderson <rth@cygnus.com>
4124 * config/ia64/ia64.md (movdi): Split out load address code.
4125 New post-reload splitter for symbolic operands.
4126 (movdi_internal): Abort if we didn't split symbolic operands
4127 when we should have.
4128 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
4129 (ia64_reorg): Split insns when not optimizing.
4130 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
4132 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
4134 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
4135 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
4137 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
4139 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
4141 2000-07-17 Jason Merrill <jason@redhat.com>
4143 * Makefile.in (clean): Remove libgcc directory.
4145 * configure.in (-Wno-long-long check): Use higher-level macros.
4147 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
4149 * simplify-rtx.c (simplify_binary_operation): Recognize
4150 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
4151 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
4152 a CONST_INT, it will always be zero.
4154 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
4156 * loop.c (check_dbra_loop) : Return if more than one condition is
4157 present to control the loop.
4159 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
4161 * mips.c (mips_expand_prologue): Don't calculate the last argument
4162 register unless we need it. When we are calculating this, make
4163 sure FUNCTION_ARG is giving us a REG.
4165 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4167 * flow.c (libcall_dead_p): Use single_set to verify the insn
4168 has only one set and get for analysis.
4169 (propagate_one_insn): Don't pass the PATTERN of the insn.
4171 2000-07-17 Mark Klein <mklein@dis.com>
4173 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
4175 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4177 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
4178 * configure.in (TARGET_GETGROUPS_T): Evaluate.
4179 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
4180 of second argument of getgroups.
4181 * configure, config.in: Rebuilt.
4183 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
4185 * simplify-rtx.c (simplify_relational_operation): Two signed
4186 values with equal high words are less/greater than each other if
4187 their low words are less/greater when considered as unsigned.
4189 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
4191 * configure.in (vax-*-openbsd): Change to new style configuration,
4192 add collect2/float_format information.
4193 * configure: Rebuilt.
4194 * config/vax/openbsd1.h: New.
4195 * config/vax/openbsd.h: New.
4196 * config/vax/t-openbsd: New.
4198 2000-07-17 Chip Salzenberg <chip@valinux.com>
4200 * c-common.c (shorten_compare): Quiet warnings about unsigned
4201 comparisons with zero when they occur in a system header.
4203 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
4205 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
4206 update to describe current practice.
4208 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
4210 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
4211 references to C9X. Change references to -fstd and -flang-isoc9x
4214 * c-common.c (scan_char_table): Allow "z" length modifiers on
4216 (check_format_info): Use TYPE_DOMAIN on the type matched against
4217 for "z" formats, to retrieve the language size_t rather than the
4220 * c-common.c (check_format_info): Do not make a pedantic objection
4221 to the 'L' length modifier if used with a floating point type
4224 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
4225 constants in C99 mode.
4227 2000-07-17 Kazu Hirata <kazu@hxi.com>
4229 * h8300.md: Fix the format of mac.
4230 (movsi_h8300hs): Output a tab after stmac instead of a space.
4232 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
4233 profitable adds/subs sequences.
4235 * fold-const.c: Fix comment typos.
4237 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
4239 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
4241 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4243 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
4245 2000-07-16 Neil Booth <NeilB@earthling.net>
4247 * cpplex.c: Update comments.
4248 * README.Portability: Small update.
4250 2000-07-16 Neil Booth <NeilB@earthling.net>
4252 * README.Portability: Small update.
4254 2000-07-15 Richard Henderson <rth@cygnus.com>
4256 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
4257 * config/ia64/ia64.c (ia64_move_ok): New function.
4258 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
4259 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
4261 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
4263 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
4264 immediately following a paste operator.
4265 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
4266 (cpp_reader_init): Call it, if HOST_EBCDIC.
4267 (cpp_handle_options): Do not sort option list here.
4268 (handle_option): Rename to cpp_handle_option and export.
4269 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
4270 _cpp_get_token directly.
4271 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
4272 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
4273 * cpplib.h: Prototype cpp_handle_option. Update prototype of
4276 2000-07-15 Richard Henderson <rth@cygnus.com>
4278 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
4279 cast around an expression. Tidy other unsigned tests.
4281 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
4283 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
4284 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
4285 (v_message_with_decl): Rename to ...
4286 (format_with_decl): ... this. Tweak
4287 (diagnostic_for_decl): New function.
4288 (fatal_io_error): Use verbatim in lieu of notice.
4289 (announce_function): Use verbatim.
4290 (default_print_error_function): Likewise.
4291 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
4294 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4296 * mips.c (function_arg_pass_by_reference): Don't do automatic
4297 aggregate initialization.
4298 (machine_dependent_reorg): Initialize variable `mode'.
4300 * mips.md (absdi2): Change variable `regno1' to unsigned int.
4301 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
4302 conflicts with sys/param.h macro of the same name.
4303 (reload_outdi): Likewise.
4305 2000-07-15 Michael Meissner <meissner@redhat.com>
4307 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
4308 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
4309 create a new node instead.
4311 2000-07-15 Neil Booth <NeilB@earthling.net>
4313 * README.Portability: Correct example about calling a function
4314 through a pointer to function. Format wide paragraphs.
4316 2000-07-15 Michael Meissner <meissner@redhat.com>
4318 * README.Portability: Update integer suffixes and function
4321 2000-07-15 Neil Booth <NeilB@earthling.net>
4323 * README.Portability: Small update.
4325 2000-07-15 Neil Booth <NeilB@earthling.net>
4327 * README.Portability: New file.
4329 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
4331 * INSTALL: Give special instructions for building GCC on Irix 6.
4332 * config/mips/x-iris6 (CC): Don't set it.
4335 2000-07-14 Jason Merrill <jason@redhat.com>
4337 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
4338 register in the stack and later in another register, use the new
4341 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
4343 * config/mips/mips.md: (absdi2): Handle sign_extend for
4346 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
4348 * cpplib.c (do_pragma_dependency): Tidy warning messages.
4350 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
4352 * .cvsignore: Correct typo.
4354 2000-07-13 Mark Mitchell <mark@codesourcery.com>
4356 * .cvsignore: Add generated YACC files.
4357 * objc/.cvsignore: New file.
4359 2000-07-14 Neil Booth <NeilB@earthling.net>
4361 * cpplex.c (adjust_column): New funcion.
4362 (skip_whitespace): Use it.
4363 (skip_block_comment): Use it, and warn about /*/* with
4366 2000-07-14 Neil Booth <NeilB@earthling.net>
4368 * cpphash.c (struct macro_info): Add new members.
4369 (_cpp_free_definition): Delete the macro directly.
4370 (count_params): Return void, with first token of
4371 expansion in struct macro_info on success.
4372 (parse_define): Return int. Hoist syntax checking from
4373 save_macro_expansion. Leave call to save_expansion to
4374 _cpp_create_definition.
4375 (alloc_macro): Needs just 2 arguments.
4376 (free_macro): Delete.
4377 (save_expansion): Don't perform syntax check.
4378 (_cpp_create_definition): Call save_expansion.
4380 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4382 * genrecog.c (write_header): Split long string.
4384 * cpphash.c (macro_info): Don't use the `signed' keyword.
4386 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
4388 2000-07-13 Jakub Jelinek <jakub@redhat.com>
4390 * calls.c (stored_args_map): New variable.
4391 (check_sibcall_argument_overlap_1): New.
4392 (check_sibcall_argument_overlap): New.
4393 (expand_call): Initialize stored_args_map.
4394 Call check_sibcall_argument_overlap.
4396 2000-07-13 Bruce Korb <bkorb@gnu.org>
4398 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
4399 (emit_gnu_type): utility procedure for gnu_type_fix
4400 (gnu_type_fix): implement various pre-processor guards around
4401 standard types so these types can be defined over and over
4402 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
4403 types alluded to above will have GNU-compliant base types
4404 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
4405 * fixinc/inclhack.def: add test_text entries and utilize the new
4406 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
4407 * fixinc/fixincl.x: regenerate
4409 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4411 * diagnostic.c (vline_wrapper_message_with_location,
4412 v_message_with_file_and_line, v_error_with_file_and_file,
4413 v_error_for_asm, v_warning_for_asm, vfatal,
4414 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
4415 vsorry, verror, vwarning, vpedwarn): Remove.
4416 (diagnostic_for_asm): New function.
4417 (pedwarn, error, warning, pedwarn_with_file_and_line,
4418 error_with_file_and_line, warning_with_file_and_line, sorry,
4419 error_for_asm, warning_for_asm, fatal): Reimplement.
4420 (finish_diagnostic): Clear diagnostic info as well.
4422 2000-07-13 Neil Booth <NeilB@earthling.net>
4424 * c-common.h (flag_digraphs): New.
4425 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
4426 * c-lex.c (yylex): Use flag_digraphs to decide whether to
4429 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
4431 * gcc.c (do_spec_1): Add new %B operator.
4432 (set_input): Prepare for %B.
4434 (link_command_spec): Move up with the other tm.h-
4435 overrideable specs. Factor out the portion conditional on
4436 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
4437 (struct compiler): Just have a single spec string. All users
4439 (default_compilers): Remove unnecessary braces.
4440 (static_specs): Update.
4442 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
4444 (C and assembly specs): Use the new named specs, as appropriate.
4446 * objc/lang-specs.h: Use the new named specs.
4447 Remove unnecessary braces.
4449 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4451 * gcc.c (execute): If a subprocess gets a fatal signal, report
4452 strsignal() of the signal number, and ask for a bug report.
4453 Do not do this for SIGPIPE if there's already been an error.
4455 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
4458 * tradcif.c: Remove.
4460 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4462 * final.c (profile_function): Do not emit profile counters in
4463 the data section, if NO_PROFILE_COUNTERS is defined.
4464 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
4467 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
4468 (FUNCTION_PROFILER): Just emit a call to mcount.
4470 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4472 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
4474 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
4475 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
4476 traditional, lang_chill, or lang_fortran.
4478 * cppfiles.c: #undef strcmp to suppress warning about macros
4479 used without arguments.
4480 (_cpp_execute_include): Use f, not fname, in "No include path"
4482 (_cpp_pop_file_buffer): New function.
4483 * cpplib.c: Don't include <sys/mman.h>.
4484 (cpp_push_buffer): Set line_base and lineno in new buffer.
4485 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
4487 * cpplex.c: Move all prototypes and structure declarations to the
4488 top of the file. Properly parenthesise some macro arguments.
4489 (cpp_scan_line): New function.
4490 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
4491 don't need to walk up the stack counting.
4493 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4495 * c-common.c (combine_strings): Emit a pedantic warning when a
4496 string length is greater than the minimum ANSI C is required
4499 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
4501 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
4502 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
4504 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4506 * c-decl.c (define_label): Warn about identifier conflicts with
4507 labels in traditional C.
4509 * c-parse.in (unop +): Warn about the unary plus operator for
4512 * c-typeck.c (store_init_value): Warn about automatic aggregate
4513 initialization for traditional C.
4515 * invoke.texi (-Wtraditional): Document new warnings.
4517 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4519 * Makefile.in (c-errors.o): Fix thinko in dependency.
4521 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4523 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
4524 -traditional, -ftraditional, or -traditional-cpp was given.
4525 Do not pass -traditional to the preprocessor.
4526 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
4527 preprocessor does it automatically.
4528 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
4530 * ch/lang-specs.h: Always use tradcpp. Do not pass
4531 -traditional, -trigraphs, or -pedantic to the preprocessor.
4532 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
4535 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4537 * cppexp.c (LOGICAL): Delete macro.
4538 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
4541 * cpphash.c (HASHSIZE): Increase to 4096.
4542 (struct hashdummy): Add hash field.
4543 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
4544 the string values using memcmp.
4545 (cpp_lookup): Set dummy.hash.
4547 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
4549 * configure.in (m88k-openbsd): Express configuration using new fragment
4551 * configure: Rebuilt.
4552 * m88k/aout-dbx.h: New.
4553 * m88k/openbsd.h: New.
4554 * m88k/xm-openbsd.h: New.
4556 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4558 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
4560 2000-07-12 Richard Henderson <rth@cygnus.com>
4562 * reload.c (push_secondary_reload): Make sure to add the new
4563 reload at the end, after acquiring secondary memory.
4565 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4567 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
4569 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
4570 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
4572 * c-parse.in (stmt): Delete unused variables.
4574 * convert.c (convert_to_vector): Likewise.
4576 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
4578 * tree.c (finish_vector_type): Prototype.
4580 2000-07-12 Bruce Korb <bkorb@gnu.org>
4582 * fixinc/fixfixes.c: use xmalloc
4583 * fixinc/fixincl.c(initialize): set program name for xmalloc
4584 * fixinc/fixlib.c(must_malloc): obsolete
4585 (is_cxx_header): no longer used - disabled
4586 (skip_quote): inserted and disabled for future use
4587 * fixinc/fixlib.h: reflects above
4588 * fixinc/fixtests.c: removed dinkleberries
4590 2000-07-12 Neil Booth <NeilB@earthling.net>
4592 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
4593 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
4595 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
4596 struct toklist_dummy): New.
4597 (cpp_free_definition): Free macros with free_macro.
4598 (count_params): Don't save paramter spellings. Save macro
4599 information in a struct macro_info.
4600 (parse_define): Don't allocate a token list.
4601 (save_expansion): Allocate the macro's token list, and
4602 save parameter spellings if necessary. Use TOKEN_SPELL.
4603 (cpp_create_definition): Make list const.
4605 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4607 * c-typeck.c (pedwarn_c99): Move to
4608 * c-errors.c: ... Here.
4609 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
4610 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
4611 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
4612 (c-errors.o): List dependency.
4614 2000-07-12 Mark Mitchell <mark@codesourcery.com>
4616 * c-parse.c: Remove.
4617 * c-parse.h: Likewise.
4618 * c-parse.y: Likewise.
4619 * objc/objc-parse.c: Likewise.
4620 * objc/objc-pasre.y: Likewise.
4622 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
4624 * gcc.texi: Fix minor typos
4625 * extend.texi: Fix minor typos
4627 2000-07-11 Marc Espie <espie@openbsd.org>
4629 * collect2.c (main): Recognize .lo as object files.
4631 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4633 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
4636 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
4637 with MAP_ANONYMOUS and MAP_ANON.
4638 * configure, config.in: Rebuilt.
4640 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4642 * diagnostic.c (save_output_state): Remove.
4643 (restore_output_state): Likewise.
4644 (clear_text_info): New function.
4645 (clear_diagnostic_info): Likewise.
4646 (output_text_length, is_starting_newline, output_prefix,
4647 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
4648 prefixing_policy, output_buffer_ptr_to_format_args): New macros
4649 (set_real_maximum_length, output_set_maximum_length,
4650 output_set_prefix, output_get_prefix, output_set_maximum_length,
4651 output_destroy_prefix, init_output_buffer,
4652 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
4653 output_add_newline, output_add_character, output_add_space,
4654 output_append_r, output_append, wrap_text, output_format,
4655 output_do_printf, output_printf, output_do_verbatim,
4656 output_verbatim, verbatim): Use them.
4657 (output_clear): Split into cleat_text_info and
4658 clear_diagnostic_info.
4659 (struct output_state): Move to...
4661 * diagnostic.h: ...Here
4662 (struct output_buffer): Adjust.
4664 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
4666 * cpplex.c (parse_name): No longer inline (premature optimization).
4667 (do_pop_context): Fold into pop_context.
4668 (pop_context): Returns int.
4669 (lex_next): Hoist test for end of directive into pop_context.
4670 (push_macro_context): Returns int; takes just reader and token.
4671 Hoist test for excessive nesting to caller.
4672 (push_arg_context): Returns void; takes just reader and token.
4673 Do not call stringify_arg or get_raw_token.
4674 (get_raw_token): Convert tail recursion through push_arg_context
4675 to a loop at this level. Call stringify_arg here if appropriate.
4676 (maybe_paste_with_next): Convert tail recursion to a while loop.
4677 Hoist test of paste_level to caller.
4679 (stringify_arg): Push arg context at beginning.
4680 (cpp_get_token): Split out core into _cpp_get_token. Call
4681 process_directive here. Throw away CPP_PLACEMARKER tokens.
4682 (_cpp_get_token): Convert tail recursion through
4683 push_macro_context to a loop at this level.
4684 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
4685 _cpp_get_raw_token): Use _cpp_get_token.
4686 (_cpp_skip_rest_of_line): Drop the context stack directly; do
4687 not call pop_context.
4688 (_cpp_run_directive): Call lex_next directly.
4690 * cpphash.h: Prototype _cpp_get_token.
4691 * cppexp.c (lex): Use it.
4692 * cpphash.c (parse_define): Use it.
4693 * cpplib.c (get_define_node, do_undef, parse_include,
4694 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
4695 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
4696 parse_ifdef, validate_else): Use it.
4697 (cpp_push_buffer): Tweak error message; abort if anyone tries
4698 to push a buffer while macro expansions are stacked.
4700 2000-07-11 Donn Terry <donnte@microsoft.com>
4702 * cpplex.c (free_macro_args, save_token): Cast arg of free
4703 and/or xrealloc to PTR.
4704 (_cpp_init_input_buffer): Clear all fields of the base context.
4706 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
4708 * gensupport.c (process_rtx): Make rtl checking stop
4709 complaining about the define_insn while it is being
4710 converted from a define_insn_and_split.
4712 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
4714 * config/mips/mips.c (simple_memory_operand): Access the
4715 INTVAL of the address, not it's containing MEM.
4717 2000-07-11 Bruce Korb <bkorb@gnu.org>
4719 * fixinc/fixtests.c(double_slash): obsolete
4720 (else_endif_label): likewise
4721 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
4722 (libc1_ifdefd_memx): correct initial comment
4723 and omit the #if/#endif pair from the memxxx declarations
4724 * fixinc/fixincl.x: regen
4726 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4728 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
4730 2000-07-11 Neil Booth <NeilB@earthling.net>
4734 2000-07-11 Neil Booth <NeilB@earthling.net>
4736 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
4737 (handle_option): Set digraphs according to standard.
4738 Merge OPT_lang_c89 handler with OPT_std_c89.
4740 * cpplex.c: (lex_line, can_paste): Honour digraphs in
4741 accordance with the digraphs flag.
4743 * cpplib.h: (struct cpp_options): New option digraphs.
4745 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
4746 Bruce Korb <bkorb@gnu.org>
4748 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
4749 * fixinc/fixincl.x: Regenerate.
4750 * fixinc/tests/base/testing.h: Add testcase.
4752 2000-07-10 Richard Henderson <rth@cygnus.com>
4754 * config/ia64/ia64.c (got_symbolic_operand): New.
4755 (symbolic_operand, move_operand): Revert 0701 change.
4756 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4757 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
4758 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
4759 split the offset into a 14-bit low part instead of a 13-bit low part.
4760 (load_fptr): Mark the mem as unchanging.
4761 (load_symptr): Use got_symbolic_operand.
4763 2000-07-10 Nick Clifton <nickc@cygnus.com>
4765 * libgcc2.c (next_stack_level): Cast result of computation to
4766 (void **) so that the assignment does not generate a warning.
4768 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
4770 * flags.h : Add new variable flag_single_precision_constant.
4771 * toplev.c (display_help) : Add -fsingle-precision-constant option.
4772 (flag_single_precision_constant): New.
4773 * c-lex.c (yylex): Convert floating point constant to single
4775 * invoke.texi : Add documentation for this new option.
4777 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
4779 * diagnostic.c (output_octal): Second parameter is unsigned.
4780 (output_long_octal): Likewise.
4781 (output_hexadecimal): Likewise.
4782 (output_long_hexadecimal): Likewise.
4783 (output_format): Adjust arguments extraction. Tweak.
4784 (output_verbatim, verbatim): End variable argument list.
4785 (report_diagnostic): Improve documentation.
4787 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
4789 * c-common.h (build_stmt): Declare.
4790 (build_continue_stmt): Likewise.
4791 (build_break_stmt): Likewise.
4792 (build_return_stmt): Likewise.
4794 * c-decl.c (do_case): Rewrite to do what previously done in
4797 * c-semantics.c (build_stmt): Define.
4798 (build_return_stmt): Likewise.
4799 (build_break_stmt): Likewise.
4800 (build_continue_stmt): Likewise.
4801 (build_case_label): Likewise.
4803 * c-parse.in (BREAK): Change to build tree, then generate RTL.
4804 (CONTINUE): Likewise.
4807 (DEFAULT): Likewise.
4809 * c-parse.y: Regenerate.
4810 * c-pasre.c: Likewise.
4812 2000-07-09 Jason Merrill <jason@redhat.com>
4814 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
4816 * tree.h (STRIP_NOPS): Check for error_mark_node.
4817 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
4818 (dwarf2out_*): Remove duplicate declarations.
4820 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
4821 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
4823 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
4825 * diagnostic.c (wrap_text): New function.
4826 (maybe_wrap_text): Likewise.
4827 (output_add_string): Use it.
4828 (output_format): Likewise.
4829 (count_error): Use verbatim instead of notice.
4830 (report_error_function): Likewise. Don't use plain fprintf.
4831 (finish_diagnostic): New function.
4832 (output_do_verbatim): Tweak. Commonalize functionalities in
4833 output_verbatim and verbatim.
4834 (output_verbatim): Adjust.
4835 (verbatim): Likewise.
4836 (report_diagnostic): Define.
4838 * diagnostic.h (report_diagnostic): Prototype.
4840 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
4842 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
4844 2000-07-09 Neil Booth <NeilB@earthling.net>
4846 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
4847 IShspace, ISspace: Update.
4849 * cppinit.c: ISTABLE: Update.
4852 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
4853 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
4854 (skip_block_comment, skip_line_comment, parse_string,
4855 lex_line): Use is_vspace rather than IS_NEWLINE.
4856 (skip_whitespace, lex_line): Clean up to use is_nvspace.
4857 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
4859 (lex_next): Unconditionally stop if within a directive.
4860 Treat directives within macro invocations as directives
4861 (after parse_args emits error), not as the argument.
4863 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
4865 * diagnostic.c (diagnostic_args): New macro.
4866 (diagnostic_msg): Likewise.
4867 (output_formatted_integer): Likewise.
4868 (output_state): New data type.
4869 (digit_buffer): Make global.
4870 (output_add_integer): Rename to output_decimal. Squeeze
4872 (output_long_decimal, output_unsigned_decimal,
4873 output_long_unsigned_decimal, output_octal, output_long_octal,
4874 output_hexadecimal, output_long_hexadecimal): New functions.
4875 (output_append_r): New function.
4876 (output_append): Tweak.
4877 (output_flush_on): Rename to output_to_stream.
4878 (output_format): Change prototype. Improve documentation. Handle
4879 more format specifiers.
4880 (build_location_prefix): Rename to context_as_prefix.
4881 (output_notice): Rename to output_do_printf.
4882 (output_printf): Tweak.
4883 (line_wrapper_printf): Likewise.
4884 (vline_wrapper_message_with_location): Adjust call to renamed
4886 (v_message_with_decl): Likewise.
4887 (default_print_error_function): Likewise.
4888 (save_output_state): New function.
4889 (restore_output_state): Likewise.
4890 (output_do_verbatim): Likewise.
4891 (output_verbatim): Define.
4892 (verbatim): Likewise.
4894 * diagnostic.h (printer_fn): Change return type from void to int.
4895 Improve documentation.
4896 (output_add_integer): Rename to output_decimal.
4897 (output_flush_on, output_format): Don't export.
4898 (output_verbatim, verbatim): Declare.
4900 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
4902 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
4903 Check whether c divides op1 exactly if operation is not
4906 2000-07-08 Richard Henderson <rth@cygnus.com>
4908 * final.c (final): Do not abort when reg-stack introduces
4911 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
4913 * cpplib.h (struct cpp_name): Now struct cpp_string.
4914 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
4915 CPP_HEADER_NAME): Change to type S.
4916 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
4917 field, a cpp_hashnode *. All references to val.name updated
4918 to use val.str or val.node as appropriate.
4919 (struct cpp_reader): Add spec_nodes field.
4920 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
4922 * cpphash.h (struct spec_nodes): New.
4923 (enum spell_type): Reorder. Only SPELL_STRING tokens use
4924 val.str. All references to 'spelling > SPELL_NONE' updated to
4927 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
4928 pfile->buffer->inc are not NULL before dereferencing them.
4930 * cpplex.c (parse_name): Take a pointer to the current token,
4931 plus current position and limit as args; return the new
4932 position; don't copy the text of a name into the string
4933 buffer, instead call cpp_lookup and store the node pointer.
4934 If extending a token, copy out the text of the old into a
4935 scratch buffer, append the new, look that up and store the new
4936 node pointer. Inline.
4937 (maybe_paste_with_next): If the result of paste is a NAME,
4938 then look up the pasted text and store its node pointer.
4939 (lex_line): Adjust for new parse_name interface.
4940 Check for L"str", L'str' using spec_nodes->n_L.
4941 (spell_token): SPELL_IDENT tokens have their spelling in
4942 val.node->name. Handle SPELL_STRING tokens that don't have
4944 (_cpp_expand_name_space,
4945 (can_paste): Check for L ## "str" using spec_nodes->n_L.
4946 (cpp_get_token, special_symbol): No need to call cpp_lookup.
4947 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
4948 return 1=equal 0=not, not a tristate.
4950 * cpphash.c (var_args_str): Delete.
4951 (find_param): Compare node fields directly.
4952 (is__va_args__): Use CPP_PEDANTIC. Just compare
4953 token->val.node with spec_nodes->n__VA_ARGS__.
4954 (dump_funlike_macro): Don't use var_args_str.
4956 * cpplib.c (_cpp_check_directive): Just walk through
4957 spec_nodes->dirs comparing pointers.
4958 (get_define_node, do_pragma_poison, detect_if_not_defined,
4959 parse_ifdef): The identifier has already been looked up.
4960 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
4962 (do_if): Only call detect_if_not_defined at beginning of file.
4963 (_cpp_parse_assertion): Only copy string pointers for
4964 SPELL_STRING tokens.
4965 (pragma_dispatch): Take a node pointer and examine its name
4967 (_cpp_init_stacks): Also initialize the spec_nodes structure.
4969 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
4971 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
4972 reverse order from the corresponding _cpp_init_* routines.
4974 * cppexp.c (parse_number, parse_charconst, parse_defined,
4975 lex): Check val.node->type instead of calling cpp_defined.
4976 Use spec_nodes entries where appropriate.
4978 * fix-header.c, scan-decls.c: Update for interface changes.
4980 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
4982 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
4983 emitting aux_truncdfsf2.
4985 2000-07-03 Donn Terry (donnte@microsoft.com)
4987 * cppinit.c (print_help): split overlong line into ISO C89
4990 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
4992 * cppexp.c: Update all code for new lexer interface.
4993 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
4994 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
4995 * cpplex.c (token_names): Trim leading CPP_ from names; make
4996 the strings unsigned.
4997 (_cpp_spell_operator): New.
4998 (is_macro_disabled): Disable all macros if rescanning
5000 (_cpp_get_directive_token): Remove.
5002 * cppinit.c: Don't set no_macro_expand.
5003 * cpplib.c (read_line_number, do_line): Check only for EOF,
5005 * cpphash.h: Update prototypes.
5006 * cpplib.h (CPP_VSPACE): Remove.
5007 (struct cpp_reader): Remove no_macro_expand.
5009 2000-07-08 Neil Booth <NeilB@earthling.net>
5011 * cpphash.c (is__va_args__): New function.
5012 (count_params): Fix line reported in error messages. Use
5013 is__va_args__. Don't return ')' on error. Flag GNU style
5014 rest args macro definitions.
5015 (parse_define): Check macro name is not __VA_ARGS__.
5016 (save_expansion): Check identifier in non-varargs-macro is
5017 not __VA_ARGS__. Don't flag GNU_VARARGS.
5018 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
5019 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
5020 than per-token GNU_VARARGS.
5021 * cpplib.h (GNU_VARARGS): Remove.
5022 (GNU_REST_ARGS): New.
5024 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5026 * i386.md (call_pop, call, call_value_pop): Do not set
5027 current_function_uses_pic_offset_table for calls to static
5028 functions or indirect calls.
5030 2000-07-07 Jim Wilson <wilson@cygnus.com>
5032 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
5033 is_predicate_reg, then take max write_count of register pair.
5035 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5037 * tradcpp.c (main): Rename label `include' to `add_include' to
5038 avoid conflicts with variable `include' in traditional C.
5040 2000-07-07 Jakub Jelinek <jakub@redhat.com>
5042 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
5044 2000-07-07 Jakub Jelinek <jakub@redhat.com>
5046 * sibcall.c (uses_addressof): Add INMEM argument, check for
5047 current_function_internal_arg_pointer outside of MEM rtxs in addition
5049 (sequence_uses_addressof): Update caller.
5051 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
5053 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
5056 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5058 * system.h (UNION_INIT_ZERO): New macro for initializing union
5061 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
5063 2000-07-07 Neil Booth <NeilB@earthling.net>
5067 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
5069 * final.c (final): Detect out of bounds array access to
5070 the insn_lengths array.
5072 2000-07-07 Kazu Hirata <kazu@hxi.com>
5074 * fold-const.c (fold): Fix a comment typo.
5076 2000-07-07 Neil Booth <NeilB@earthling.net>
5078 * cpp.texi: Update to new lexer.
5080 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
5082 * tradcpp.c: New file.
5083 * tradcif.y: New file.
5084 * tradcif.c: New generated file.
5086 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
5087 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
5088 dependencies of C. Install tradcpp from install-common, in
5091 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
5093 * cppinit.c: Include cppdefault.h. Refer to
5094 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
5095 to GCC_INCLUDE_DIR and its length.
5096 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
5097 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
5098 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
5100 (include_defaults_array): Move to cppdefault.c.
5102 * cppdefault.h: New file.
5103 * cppdefault.c: New file.
5105 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
5106 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
5107 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
5110 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5112 * reload.c (push_reload): When seeing if can reuse a register,
5113 check extra registers against widest of INMODE and OUTMODE.
5115 2000-07-06 Neil Booth <NeilB@earthling.net>
5117 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
5118 based on full length of predicate.
5120 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
5122 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
5123 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
5125 2000-07-05 Kazu Hirata <kazu@hxi.com>
5127 * h8300-proto.h: Fix formatting.
5128 * h8300.c: Likewise.
5129 * h8300.h: Likewise.
5131 2000-07-05 Jim Wilson <wilson@cygnus.com>
5133 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
5136 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
5138 * invoke.texi: Fix minor typos
5139 * md.texi: Fix minor typos
5141 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
5143 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
5145 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
5147 * cpplex.c: Don't include sys/mman.h.
5148 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
5150 * cpplib.c: Include sys/mman.h and obstack.h.
5151 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
5153 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
5154 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
5155 bother freeing if stack entries (they will be freed with their buffer).
5156 (do_endif): Free if stack entries from the buffer obstack.
5157 (push_conditional): Allocate if stack entries from the buffer obstack.
5159 (find_answer): Rename to _cpp_find_answer.
5160 (do_assert, do_unassert): Update.
5162 * cpphash.h: Update prototypes.
5163 (xobnew): New convenience macro.
5164 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
5166 (struct cpp_hashnode): Remove disabled field.
5168 * cppinit.c: Don't include hashtab.h or splay-tree.h.
5169 (report_missing_guard): Moved to cppfiles.c.
5170 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
5172 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
5173 cpp_cleanup_includes. Don't destroy hashtab or
5174 all_include_files here.
5175 (cpp_finish): Use _cpp_report_missing_guards.
5177 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
5178 (_cpp_init_include_table): Rename _cpp_init_includes.
5179 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
5181 * cppexp.c (parse_assertion): Update for new name of
5184 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
5186 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
5188 * cpplib.c (do_ident): s/VSPACE/EOF/
5190 2000-07-05 Neil Booth <NeilB@earthling.net>
5192 * cpplex.c: Fix trigraph replacement within strings.
5194 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5196 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
5198 * xcoffout.c (assign_type_number): Constify.
5199 (xcoffout_source_file): Add static prototype. Don't needlessly
5200 cast away const-ness.
5202 2000-07-04 Jason Merrill <jason@redhat.com>
5204 * frame.h (frame_state): Move base_offset to end.
5206 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
5208 * calls.c (emit_library_call_value_1): Revert previous change.
5210 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
5212 * fix-header.c (struct partial_proto): Remove unnecessary fields.
5213 (recognized_extern, recognized_function, read_scan_file):
5214 Update for new scheme.
5215 (check_protection): It's still a multiple include guard even
5216 if it doesn't always trigger.
5217 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
5219 * scan.h: Declare struct cpp_token. Update prototypes.
5221 2000-07-03 Neil Booth <neilb@earthling.net>
5222 Zack Weinberg <zack@wolery.cumb.org>
5224 Complete overhaul of the lexer and macro expander.
5226 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
5227 arg, arglist, argdata, reflist, collect_objlike_expansion,
5228 collect_funlike_expansion, collect_params,
5229 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
5230 unsafe_chars, macarg, compare_defs, special_symbol,
5231 scan_arguments, stringify, funlike_macroexpand,
5232 _cpp_quote_string, monthnames): Delete.
5233 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
5234 _cpp_create_definition, _cpp_dump_definition,
5235 dump_hash_helper): Adjust.
5236 (find_param, count_params, parse_define, var_args_str,
5237 check_macro_redefinition, save_expansion): New.
5239 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
5240 parse_string, output_line_command, trigraph_replace,
5241 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
5242 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
5243 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
5244 _cpp_skip_rest_of_line): Modify.
5246 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
5247 find_position, null_warning, bump_column, expand_name_space,
5248 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
5249 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
5250 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
5251 _cpp_prescan): Delete.
5253 (dump_param_spelling, process_directive, lex_next,
5254 is_macro_disabled, stringify_arg, expand_context_stack,
5255 output_token, make_string_token, alloc_number_token,
5256 special_symbol, duplicate_token, maybe_paste_with_next,
5257 can_paste, prevent_macro_expansion, restore_macro_expansion,
5258 get_temp_token, release_temp_tokens, quote_string,
5259 token_names, token_spellings, _cpp_expand_name_space,
5260 _cpp_glue_header_name, _cpp_reserve_name_space,
5261 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
5262 placemarker_token, eof_token, cpp_context, macro_args,
5263 get_raw_token, parse_arg, parse_args, save_token,
5264 push_arg_context, push_macro_context, pop_context,
5265 do_pop_context, free_macro_args, _cpp_get_line,
5266 _cpp_run_directive): New.
5268 * cpplib.c (validate_else, parse_include, push_conditional,
5269 pass_thru_directive, read_line_number, parse_ifdef,
5270 detect_if_not_defined, _cpp_check_directive, do_define,
5271 do_undef, do_include, do_import, do_include_next, do_error,
5272 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
5273 top_pragmas, do_pragma_gcc, do_pragma_implementation,
5274 do_pragma_poison, do_pragma_system_header,
5275 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
5276 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
5277 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
5278 cpp_defined): Update for new scheme.
5279 (strtoul_for_line, get_define_node, dump_macro_name,
5280 _cpp_check_linemarker, _cpp_parse_assertion): New.
5281 (_cpp_handle_directive, do_pragma_default): Delete.
5283 * cpphash.h (struct predicate): Now struct answer.
5284 (enum spell_type, struct token_spelling, struct directive,
5285 directive_handler): New.
5286 Update prototypes. Remove unused macros.
5287 * cpplib.h: Update prototypes. Remove unused macros,
5288 structure definitions, and fields.
5290 * cpperror.c (print_containing_files, v_message): Adjust.
5291 * cppexp.c (parse_assertion, lex, parse_escape,
5292 _cpp_parse_expr): Adjust.
5293 * cppfiles.c (open_include_file, _cpp_execute_include,
5294 _cpp_compare_file_date, cpp_read_file, read_include_file):
5296 * cppinit.c (dump_special_to_buffer): Delete.
5297 (append_include_chain, merge_include_chains, cpp_reader_init,
5298 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
5299 cpp_finish, handle_option, print_help): Adjust.
5300 * cppmain.c (main): Adjust.
5302 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
5304 * cppspec.c (lang_specific_driver): Use double quotes in error
5307 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
5309 * calls.c (emit_library_call_value_1): Use valreg instead
5310 of hard_libcall_value.
5312 2000-07-03 Geoff Keating <geoffk@cygnus.com>
5314 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
5315 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
5316 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
5324 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
5325 mode instead of wider_mode is being used.
5327 2000-07-03 Jakub Jelinek <jakub@redhat.com>
5329 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
5330 of 'r'. Use q_regs_operand.
5331 (andsi_1+2): Use q_regs_operand.
5333 2000-07-03 Jakub Jelinek <jakub@redhat.com>
5335 * builtins.c (get_memory_rtx): Always put into alias set 0.
5337 2000-07-03 Nick Clifton <nickc@cygnus.com>
5339 * config/arm/arm.md: Fix post increment and pre increment
5340 peepholes so that they do not generate UNPREDICATBLE opcodes.
5341 (ie ones where the increment clobbers the source/destination).
5343 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
5345 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
5346 change too big for -mtiny-stack" a warning, if larger than 63.
5347 (out_set_stack_ptr): Change the logic so -mno-interrupts is
5348 always safe to use on possible future devices.
5349 (function_prologue): Write SPH before SPL, for consistency.
5350 If interrupt_func_p true, we know we have enabled interrupts.
5351 (avr_num_arg_regs): New function. Round up to even number of
5352 bytes if no -mpack-args or if calling a libgcc function.
5353 (function_arg, function_arg_advance): Use it.
5354 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
5355 Output "movw" if available.
5356 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
5357 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
5358 (asm_output_section_name): Add blanks for consistent output.
5359 (encode_section_info): Set TREE_READONLY for progmem data to
5360 avoid gas warnings about changed section attributes.
5361 (avr_hard_regno_mode_ok): Force non-QImode data to start in
5362 even numbered registers on devices with "movw".
5363 * config/avr/avr.h (MASK_*): Define bits for target_flags.
5364 (TARGET_SWITCHES): Mark help strings for translation.
5365 Add new -mpack-args and -menhanced switches.
5366 (TARGET_OPTIONS): Mark help strings for translation.
5367 (progmem_section): Add section attributes.
5368 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
5369 Output "movw" if available.
5370 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
5372 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
5373 call convention (arguments aligned on even registers).
5374 (_cleanup, _exit): Make weak symbols libc can override.
5376 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5378 * fp-bit.h: New file.
5380 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
5381 Comment #endif statements.
5382 (__thenan_sf, __thenan_df): Add missing braces around initializer.
5384 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
5386 * gcse.c (compute_pre_data): Compute ae_kill using other local
5387 properties instead of calling compute_ae_kill.
5389 * alias.c (init_alias_analysis): Do not call
5390 prologue_epilogue_contains until after reload has completed.
5392 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
5394 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
5395 (genrtl_finish_compound_stmt): Likewise.
5396 (genrtl_compound_stmt): Change to return void.
5398 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
5399 move code from here to ...
5400 (genrtl_compound_stmt): ... here.
5401 (genrtl_finish_compound_stmt): Remove.
5402 (expand_stmt): Add comment.
5404 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
5406 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
5409 2000-07-02 Jakub Jelinek <jakub@redhat.com>
5411 * cpplib.h (struct cpp_reader): New field include_depth.
5412 (struct cpp_printer): Rename last_bsd to last_id.
5413 * cppfiles.c (read_include_file): Bump include_depth.
5414 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
5415 (output_line_command): Output correct #line if a header
5416 is including itself and is not protected against multiple inclusion.
5417 Use include_depth instead of buffer_stack_depth, last_id instead of
5419 * cppinit.c (cpp_start_read): Initialize last_id instead of
5422 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
5424 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
5425 (c-semantics.o): New target.
5427 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
5428 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
5429 (genrtl_clear_out_block): Likewise.
5430 (genrtl_goto_stmt): Likewise.
5431 (genrtl_expr_stmt): Likewise.
5432 (genrtl_decl_stmt): Likewise.
5433 (genrtl_if_stmt): Likewise.
5434 (genrtl_while_stmt): Likewise.
5435 (genrtl_do_stmt): Likewise.
5436 (genrtl_return_stmt): Likewise.
5437 (genrtl_for_stmt): Likewise.
5438 (genrtl_break_stmt): Likewise.
5439 (genrtl_continue_stmt): Likewise.
5440 (genrtl_scope_stmt): Likewise.
5441 (genrtl_switch_stmt): Likewise.
5442 (genrtl_case_label): Likewise.
5443 (genrtl_begin_compound_stmt): Likewise.
5444 (gerntl_finish_compound_stmt): Likewise.
5445 (genrtl_compound_stmt): Likewise.
5446 (genrtl_asm_stmt): Likewise.
5447 (genrtl_decl_cleanup): Likewise.
5448 (DECL_ANON_UNION_ELEMS): Likewise.
5449 (emit_local_var): Likewise.
5450 (make_rtl_for_local_static): Likewise.
5451 (expand_cond): Likewise.
5452 (expand_stmt): Likewise.
5453 (c_expand_return): Likewise.
5454 (c_expand_start_case): Likewise.
5455 (do_case): Likewise.
5456 (COMPOUND_STMT_NO_SCOPE): Likewise.
5457 (c_expand_asm_operands): Likewise.
5458 (NEW_FOR_SCOPE_P): New macro.
5459 (expand_expr_stmt_fn): New type.
5461 (set_current_function_name_declared): Likewise.
5462 (current_function_name_declared): Likewise.
5463 (lang_expand_stmt): Likewise.
5464 (stmts_are_full_exprs_p): Likewise.
5465 (anon_aggr_type_p): Likewise.
5466 (lang_expand_expr_stmt): Likewise.
5467 (build_case_label): Likewise.
5469 * c-decl.c (lang_expand_expr_stmt): Initialize.
5470 (stmts_are_full_exprs_p): Define.
5471 (current_function_name_declared): Likewise.
5472 (do_case): Likewise.
5473 (lang_expand_stmt): Likewise.
5474 (set_current_function_name_declared): Likewise.
5475 (anon_aggr_type_p): Likewise.
5477 * c-semantics.c: New file.
5478 (expand_cond): Moved from cp/semantics.c.
5479 (genrtl_do_pushlevel): Likewise.
5480 (genrtl_clear_out_block): Likewise.
5481 (genrtl_goto_stmt): Likewise.
5482 (genrtl_expr_stmt): Likewise.
5483 (genrtl_decl_stmt): Likewise.
5484 (genrtl_if_stmt): Likewise.
5485 (genrtl_while_stmt): Likewise.
5486 (genrtl_do_stmt): Likewise.
5487 (genrtl_return_stmt): Likewise.
5488 (genrtl_for_stmt): Likewise.
5489 (genrtl_break_stmt): Likewise.
5490 (genrtl_continue_stmt): Likewise.
5491 (genrtl_scope_stmt): Likewise.
5492 (genrtl_switch_stmt): Likewise.
5493 (genrtl_case_label): Likewise.
5494 (genrtl_begin_compound_stmt): Likewise.
5495 (genrtl_finish_compound_stmt): Likewise.
5496 (genrtl_compound_stmt): Likewise.
5497 (genrtl_asm_stmt): Likewise.
5498 (genrtl_decl_cleanup): Likewise.
5499 (make_rtl_for_local_static): Moved from cp/decl.c.
5500 (emit_local_var): Likewise.
5501 (expand_stmt): Define.
5503 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
5504 (c_expand_return): Likewise.
5505 (c_expand_start_case): Likewise.
5507 2000-07-01 Richard Henderson <rth@cygnus.com>
5509 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
5510 with the low 13 bits set.
5511 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
5512 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
5513 of the low 13 bits into a CONST plus an adddi3.
5514 (load_symptr): Set RTX_UNCHANGING_P.
5516 See ChangeLog.3 for earlier changes.