1 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3 * loop.c (try_swap_copy_prop): Go back to checking insn.
5 2001-04-25 Jakub Jelinek <jakub@redhat.com>
7 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
8 if check_mode is non-zero.
10 2001-04-25 Jakub Jelinek <jakub@redhat.com>
12 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
13 out and comparison sequence has been detected, put result into
14 proper temporary pseudo.
16 2001-04-24 Zack Weinberg <zackw@stanford.edu>
18 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
19 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
20 * libgcc2.c: Remove __dummy and __builtin_saveregs.
21 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
22 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
25 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
27 * except.c (reachable_handlers): Step out one level from a RESX.
29 * except.c (struct eh_region): Rename 'last' to 'resume'.
30 (mark_eh_region, duplicate_eh_region_1): Adjust.
31 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
32 (build_post_landing_pads): Likewise.
33 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
34 (expand_eh_region_end_must_not_throw): Likewise.
35 (connect_post_landing_pads): Thread (only) regions with non-deleted
38 * except.c (expand_eh_region_end_cleanup): Save the EH return data
39 registers around the cleanup.
40 (get_exception_filter): New fn.
41 (finish_eh_generation): Use it.
43 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
45 * c-semantics.c (add_scope_stmt): Don't call
46 current_scope_stmt_stack multiple times.
48 2001-04-24 Zack Weinberg <zackw@stanford.edu>
49 Nathan Sidwell <nathan@codesourcery.com>
51 Lazy __FUNCTION__ generation.
52 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
53 RID_C99_FUNCTION_NAME): New _RIDs.
54 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
55 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
56 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
58 (function_id_node, pretty_function_id_node, func_id_node): Remove.
59 (c99_function_name_decl_node, function_name_decl_node,
60 pretty_function_name_decl_node, saved_function_name_decls):
62 (struct language_function): Remove x_function_name_declared_p.
63 (make_fname_decl): Remove a parameter.
64 (declare_function_names): Remove prototype.
65 (start_fname_decls, finish_fname_decls): Prototype.
66 (fname_as_string): Likewise.
67 (fname_string, fname_decl): Likewise.
68 * c-common.c (make_fname_decl): Adjust.
69 (struct fname_var_t): New struct.
70 (fname_vars): New static array.
71 (declare_function_name): Remove.
72 (start_fname_decls, finish_fname_decls): New functions.
73 (fname_as_string): New function from remnants of
74 declare_function_name.
75 (fname_string, fname_decl): New functions.
77 * c-decl.c (c_function_name_declared_p): Remove.
78 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
79 don't call declare_function_name. Call start_fname_decls.
80 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
81 clobber the line number. Call finish_decl.
82 (start_function): Call start_fname_decls.
83 (finish_function): Call finish_fname_decls.
84 Remove c_function_name_declared_p.
85 (push_c_function_context): Don't push c_function_name_declared_p.
86 (pop_c_function_context): Don't pop c_function_name_declared_p.
87 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
88 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
89 (program): Call finish_fname_decls for C.
90 (primary): Add VAR_FUNC_NAME.
91 (reswords): Add slots for __FUNCTION__ et al.
92 (rid_to_yy): Add mappings for __FUNCTION__ et al.
93 (yylexname): If it's a STRING_FUNC_NAME generate the function name
94 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
95 * c-semantics.c (prune_unused_decls): Remove.
96 (finish_stmt_tree): Don't call prune_unused_decls.
97 (genrtl_decl_stmt): Don't prune unused decls here.
99 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
101 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
102 constant pool, use the pool's SYMBOL_REF instead.
104 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
107 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
109 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
110 passing nested NOP_EXPRs to fold.
112 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
114 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
116 2001-04-22 Mark Mitchell <mark@codesourcery.com>
118 * loop.c (loop_delete_insns): Add prototype.
120 2001-04-23 Phil Edwards <pme@sources.redhat.com>
122 * configure.in: Remove ENABLE_STD_NAMESPACE.
123 * config.in: Regenerated.
124 * configure: Regenerated.
126 2001-04-22 Stan Shebs <shebs@apple.com>
128 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
130 * config/rs6000/xm-darwin.h: Remove file.
132 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
134 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
135 (write_c_file_stat): Likewise.
137 * dbxout.c (dbxout_init): Likewise.
139 * profile.c (output_func_start_profiler): Likewise.
141 2001-04-22 Philipp Thomas <pthomas@suse.de>
143 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
144 require it instead of the CVS version.
145 * cpperror.c (v_message): Put a blank before the macro
146 body to not confuse exgettext.
148 2001-04-21 Mark Mitchell <mark@codesourcery.com>
150 * flow.c (proagate_one_insn): Remove useless assignment.
151 * jump.c (delete_insn): Tidy.
152 * loop.c (try_copy_prop): When deleting an instruction with a
153 REG_RETVAL note, delete the entire libcall sequence.
154 (loop_delete_insns): New function.
155 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
156 we're not substituting into them yet.
158 2001-04-21 Kazu Hirata <kazu@hxi.com>
160 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
162 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
164 * config/i960/i960.c (signed_arith_operand): Likewise.
166 * calls.c (expand_call): Fix a comment typo.
168 2001-04-20 Zack Weinberg <zackw@stanford.edu>
170 * configure.in: Probe for times, clock, struct tms, and clock_t.
171 * configure, config.in: Regenerate.
172 * timevar.c: Replace ifdef forest in get_time with (relatively)
173 straightforward series of checks based on autoconf's probes.
175 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
177 * config/pa/som.h (NM_FLAGS): Define.
179 2001-04-20 Bernd Schmidt <bernds@redhat.com>
181 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
183 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
184 * ia64.c (nop_cycles_until): New function.
185 (prev_cycle, prev_first, last_issued): New static variables.
186 (ia64_sched_reorder): Additional arg for clock.
187 On final scheduling pass, emit extra NOPs as needed.
188 Set prev_first and prev_cycle.
189 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
190 (ia64_variable_issue): Set last_issued.
192 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
194 * config/i386/i386.c (ix86_expand_int_movcc,
195 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
197 2001-04-20 Geoff Keating <geoffk@redhat.com>
199 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
200 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
201 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
202 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
203 ctrdi_internal6): In the short-branch case, this insn is only 4
204 bytes long. Reported by Reza Yazdani <reza@apple.com>.
206 2001-04-20 Jakub Jelinek <jakub@redhat.com>
208 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
209 "=u" is used together with "st" resp. "st(1)" clobber.
211 2001-04-20 Jakub Jelinek <jakub@redhat.com>
213 * gcse.c (gcse_main): Fix comment typo.
214 (delete_null_pointer_check): Likewise.
215 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
216 * cse.c (cse_insn): Likewise.
217 * function.c (fixup_var_refs_insns_with_hash): The sequence is
220 2001-04-19 Zack Weinberg <zackw@stanford.edu>
222 * toplev.c: Excise all code for the undocumented -dm option.
223 (float_signal): Call signal just once, unconditionally.
225 2001-04-19 Geoff Keating <geoffk@redhat.com>
227 * fold-const.c (fold): Use first_rtl_op rather than
228 TREE_CODE_LENGTH when looping over parameters of a tree.
229 Correct strange grouping in test for evaluated SAVE_EXPR.
231 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
233 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
234 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
236 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
237 name at 32 total characters.
238 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
239 functions in named sections -- data items can still go into unique
240 sections, but they have normal names (ie $LIT$ and $DATA$).
242 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
245 2001-04-19 DJ Delorie <dj@redhat.com>
247 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
248 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
249 * config/i386/cygwin.h: Likewise.
250 * config/i386/mingw32.h: Likewise.
251 * config/vax/vms.h: Likewise.
252 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
254 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
255 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
256 * config/i386/xm-cygwin.h: Likewise.
257 * config/i386/xm-djgpp.h: Likewise.
258 * config/i386/xm-mingw32.h: Likewise.
259 * config/vax/xm-vms.h: Likewise.
261 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
262 instead of OBJECT_SUFFIX.
263 * collect2.c (find_a_file): Look for files matching the extension
264 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
265 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
266 TARGET_EXECUTABLE_SUFFIX.
267 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
268 (make_relative_prefix): Likewise.
269 (convert_filename): Use TARGET_ suffixes throughout. Remove
271 (process_command): Likewise.
272 (do_spec_1): Likewise.
273 * java/lang.c (init_parse): Likewise.
275 * gcc.texi : Document four new options matching the pattern
276 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
277 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
278 documentation for NO_AUTO_EXE_SUFFIX.
280 2001-04-19 Mark Mitchell <mark@codesourcery.com>
282 * toplev.h (struct lang_hooks): Allow decode_option to indicate
283 that language-independent processing should not be done.
284 * toplev.c (main): Adjust accordingly.
286 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
287 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
289 * mips.md (reload_outputdi): Require that operand0 be a
292 2001-04-19 Jakub Jelinek <jakub@redhat.com>
294 * invoke.texi (-Wshadow): Clarify.
296 2001-04-18 Mark Mitchell <mark@codesourcery.com>
298 * loop.c (load_mems): Examine all the instructions in the loop
299 before concluding that all jumps branch to the first instruction
302 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
304 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
306 2001-04-18 Jakub Jelinek <jakub@redhat.com>
308 * cpp.texi (-Wwhite-space): Remove.
309 (-Wall): -Wall does not imply -Wwhite-space.
311 2001-04-17 Zack Weinberg <zackw@stanford.edu>
313 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
314 use it instead of blindly generating a .stabs.
315 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
317 * xcoffout.c: Don't bother defining default for N_CATCH.
318 (UNKNOWN_STAB): Use internal_error.
319 (stab_to_sclass): Remove now-unnecessary aborts.
320 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
322 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
324 * jump.c (mark_all_labels): Canonicalize the tail recursion
325 label attached to CALL_PLACEHOLDER insns.
327 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
329 * output.h (dump_flow_info, free_basic_block_vars,
330 which_alternative): Delete redundant prototypes.
332 * rtl.h (bss_section): Likewise.
334 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
336 * dbxout.c (N_OPT): Define if not available from <stab.h>
338 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
340 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
341 libraries and native K&R compilers.
343 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
345 * c-typeck.c (convert_arguments): Don't check for width changes
348 * invoke.texi (-Wtraditional): Update documentation.
350 2001-04-16 Zack Weinberg <zackw@stanford.edu>
352 * toplev.c (output_lang_identify): Delete.
353 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
354 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
355 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
356 after calling ASM_FILE_END.
358 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
359 Instead, unconditionally emit an N_OPT stab with string equal
360 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
362 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
364 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
365 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
366 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
367 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
368 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
369 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
370 config/i370/i370.h, config/i386/beos-elf.h,
371 config/i386/osf1elf.h, config/i386/osfrose.h,
372 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
373 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
374 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
375 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
376 config/mips/iris6.h, config/mips/osfrose.h,
377 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
378 config/sparc/sp64-elf.h:
379 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
380 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
382 * config/elfos.h, config/freebsd.h, config/linux.h,
383 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
384 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
385 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
386 of ASM_FILE_START which merely emit a .version directive. Delete
387 definitions of ASM_FILE_END which merely emit an .ident directive.
389 * config/avr/avr.h, config/vax/vax.h: Delete definition of
390 ASM_IDENTIFY_GCC and move part of its logic into
393 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
394 config/sparc/linux-aout.h: Don't emit .version directive in
397 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
398 (output_file_start): Correct comment.
400 * config/i386/osfrose.h: Don't emit trailing .ident directive.
401 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
403 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
404 * config/rs6000/aix.h: Correct comment.
406 * config/i386/i386afe.h: Delete.
407 * config.gcc: Remove references to i386afe.h.
409 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
410 other macros deleted by this patch were undocumented.
412 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
414 * pa.md (reload_outdi): Operand 0 must be a non hard register.
416 * pa.c (secondary_reload_class): SAR<->FP copies require a
419 * install.texi (mips-mips-bsd): Update list of functions
420 required to include memmove.
421 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
422 used functions to include memmove.
424 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
426 * i386.md (sqrtdf2): SFmode should be DFmode.
428 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
430 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
431 (find_moveable_store): Likewise.
433 2001-04-15 Jim Wilson <wilson@redhat.com>
435 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
437 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
439 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
440 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
442 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
444 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
447 2001-04-14 Alan Modra <amodra@one.net.au>
449 * pa.c (force_mode): New function.
450 (emit_move_sequence): Use it instead of generating new rtx_REGs.
452 2001-04-13 Jim Wilson <wilson@redhat.com>
454 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
455 (first_instruction): New static variable.
456 (rtx_needs_barrier): Return 1 for alloc.
457 (init_insn_group_barriers): Set first_instruction.
458 (rws_sum): Delete duplicate definition.
459 (group_barrier_needed_p): Return 0 when first_instruction true.
460 (safe_group_barrier_needed_p): Save and restore first_instruction
461 around group_barrier_needed_p call.
463 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
465 * expr.h (enum libfunc_index): Add LTI_memmove.
466 (memmove_libfunc): Define macro.
467 * optabs.c (init_optabs): Initialize memmove_libfunc.
468 * expr.c (expand_assignment): Use memmove_libfunc instead of
471 2001-04-13 Alan Modra <alan@linuxcare.com.au>
473 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
476 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
478 * Makefile.in (reg-stack.o): Depend on reload.h.
479 (insn-attrtab.o): Depend on flags.h.
481 * genattrtab (main): Include flags.h in insn-attrtab.c.
483 * reg-stack.c: Include reload.h.
485 * sparc.h (flag_pic): Delete redundant declaration.
487 * output.h (flag_pic): Likewise.
489 * tree.h (pedantic): Likewise.
491 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
493 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
495 * jump.c, regmove.c, toplev.c: Include reload.h.
497 * reload.h (reload_cse_regs): Declare.
499 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
500 reload_cse_regs, init_reload, mark_home_live, reload,
501 init_caller_save): Delete redundant prototypes.
503 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
505 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
507 * regclass.c, ssa.c: Include expr.h.
509 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
510 gen_move_insn): Delete redundant declarations.
512 2001-04-13 Alan Modra <amodra@one.net.au>
514 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
515 PIC_OFFSET_TABLE_SAVE_RTX.
516 (zdepi_cint_p): Describe zdepi insn.
517 Formatting and white space fixes throughout file.
519 * pa.c (uint32_operand): Don't use long constant >= 2^32.
520 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
521 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
522 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
523 (output_64bit_and): Use plain `int's for shift counts.
524 (output_64bit_ior): Likewise.
525 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
526 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
529 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
530 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
531 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
532 NEW_HP_ASSEMBLER into one. Kill warnings.
534 * pa-gas.h: Delete file.
535 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
536 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
537 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
538 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
540 * config/pa/mill32.S: New file.
541 * config/pa/mill64.S: New file.
542 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
543 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
544 * config/pa/t-linux64: New file.
545 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
546 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
547 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
549 * elfos.h (SELECT_SECTION): Undef before defining.
550 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
551 (LIB_SPEC): Remove -lmilli.
552 (DBX_REGISTER_NUMBER): Remove.
553 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
554 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
555 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
556 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
557 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
558 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
559 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
561 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
562 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
563 regs if we don't have a prototype.
564 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
565 * pa.h (TARGET_ELF32): Default to 0 if undefined.
566 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
567 EH_RETURN_HANDLER_RTX): Define.
568 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
569 (DWARF_FRAME_REGNUM): Define.
570 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
571 * pa32-linux.h: New file.
572 * pa64-linux.h: New file.
574 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
575 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
576 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
577 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
578 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
579 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
580 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
581 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
582 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
583 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
584 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
585 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
586 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
587 * pa64-hpux.h: New file.
588 (ASM_FILE_START): Correct typo.
589 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
590 * config.gcc: Modify for above.
592 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
594 * jump.c (jump_optimize_1): Don't delete dead stores here.
595 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
596 prior to running jump optimize before cse2.
598 2001-04-12 Richard Henderson <rth@redhat.com>
600 * Makefile.in (regmove.o): Depend on except.h.
601 * regmove.c: Include it.
603 2001-04-12 Stan Shebs <shebs@apple.com>
605 * objc/objc-act.c: Remove all code ifdefed with the never-used
606 macro OBJC_INT_SELECTORS.
607 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
608 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
610 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
612 * config/pa/quadlib.c: Add prototypes.
614 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
616 * bitmap.h (debug_bitmap): Delete redundant prototype.
618 * rtl.h (get_frame_size): Likewise.
620 2001-04-12 Jim Wilson <wilson@redhat.com>
622 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
623 to just emit an fnorm.
625 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
627 * c-common.h (truthvalue_conversion, type_for_mode,
628 type_for_size): Delete redundant declarations.
630 * c-lex.h (is_class_name): Likewise.
632 * c-tree.h (pedantic, convert, getdecls, gettags,
633 global_bindings_p, init_decl_processing, insert_block,
634 maybe_build_cleanup, poplevel, print_lang_decl,
635 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
636 set_block, incomplete_type_error, build_function_call,
637 lvalue_or_else, mark_addressable): Likewise.
639 * expr.h (expand_tree_builtin): Likewise.
641 2001-04-12 Mark Mitchell <mark@codesourcery.com>
643 * invoke.texi: Document --param max-gcse-memory.
645 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
647 * configure.in (errno): Check for declaration.
648 * configure, config.in: Regenerated.
650 * system.h (errno): Only declare if not already done.
652 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
654 * recog.c (general_operand, immediate_operand,
655 nonmemory_operand): Require CONST_INTs to be sign-extended
656 values for their modes.
658 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
660 * expmed.c (store_bit_field): Truncate CONST_INTs.
661 (expand_mult_highpart, expand_divmod): Likewise.
662 * expr.c (convert_modes, store_field): Likewise.
663 * integrate.c (expand_inline_function): Use promote_mode() to
664 determine whether to convert_modes() an argument as signed
666 * optabs.c (expand_binop): Get CONST_INT operands
667 sign-extended for their appropriate modes.
668 * stmt.c (emit_case_nodes): Convert node values to the
670 (expand_end_case): Convert minval and range to the appropriate
672 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
673 the iteration variable.
674 * varasm.c (immed_double_const): Don't require words to be
675 narrower than host wide ints to properly sign-extend
678 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
680 * sh.md (builtin_setjmp_receiver): New expander.
682 2001-04-12 David Edelsohn <dje@watson.ibm.com>
684 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
685 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
686 for generating CONST_INT and CONST_DOUBLE.
688 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
690 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
691 already sign-extended.
692 (rs6000_emit_prologue): Make register iterator signed.
693 (rs6000_emit_epilogue): Likewise.
694 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
696 (movsf split, movdf split): Sign-extend CONST_INTs.
697 (movdi splits): Likewise.
699 2001-04-12 Kelley Cook <kelley.cook@home.com>
701 * config-lang.in (lang_dirs): Add in zlib.
703 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
705 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
706 operands that make it to RTL.
708 2001-04-11 Stan Shebs <shebs@apple.com>
710 Add Darwin (Mac OS X kernel) native support.
711 * config.gcc (powerpc-*-darwin*): Add native bits.
712 * config/darwin.c: New file, generic Darwin support functions.
713 * config/darwin.h: New file, generic Darwin definitions.
714 * config/darwin-protos.h: New file, generic Darwin prototypes.
715 * rs6000/darwin.h: New file, Darwin for PowerPC.
716 * rs6000/t-darwin: New file, Darwin makefile fragment.
717 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
718 (TARGET_MACHO): Ditto.
719 (rs6000_abi): Add ABI_DARWIN.
720 (RS6000_REG_SAVE): Add ABI_DARWIN case.
721 (RS6000_SAVE_AREA): Ditto.
722 (FP_ARG_MAX_REG): Ditto.
723 (RETURN_ADDRESS_OFFSET): Ditto.
724 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
726 (rs6000_emit_move): Add ABI_DARWIN cases.
727 (print_operand): Ditto.
728 (first_reg_to_save): Ditto.
729 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
730 (debug_stack_info): Ditto.
731 (rs6000_emit_prologue): Ditto.
732 (rs6000_emit_epilogue): Ditto.
733 (output_profiler_hook): Ditto.
734 (output_function_profiler): Ditto.
735 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
736 (output_mi_thunk): Add TARGET_MACHO case.
737 (add_compiler_stub): Ditto.
738 (output_compiler_stub): Ditto.
739 (no_previous_def): Ditto.
740 (output_call): Ditto.
741 (machopic_output_stub): Ditto.
742 (rs6000_machopic_legitimize_pic_address): Ditto.
743 (toc_section): Ditto.
744 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
748 (load_macho_picbase): Ditto.
749 (call): Add TARGET_MACHO case to modify function.
751 (call_nonlocal_sysv): Add ABI_DARWIN case.
752 (call_value_nonlocal_sysv): Ditto.
753 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
755 (machopic_output_stub): Ditto.
756 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
758 2001-04-11 Mark Mitchell <mark@codesourcery.com>
760 * dwarf2out.c (modified_type_die): Don't create new types here.
761 * tree.h (get_qualified_type): New function.
762 (build_qualified_type): Adjust comment.
763 * tree.c (get_qualified_type): New function.
764 (build_qualified_type): Use it.
766 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
768 * cpp.texi (-Wtraditional): Update description.
770 * invoke.texi (-Wtraditional): Likewise.
772 2001-04-11 Jim Wilson <wilson@redhat.com>
774 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
775 requires more than 64 bits of alignment.
777 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
779 * cpplib.c (do_line): Sanity check iff enable checking.
781 2001-04-11 Richard Henderson <rth@redhat.com>
783 * Makefile.in (insn-recog.o): Depend on toplev.h.
784 (insn-emit.o, doloop.o): Likewise.
785 * genrecog.c, genemit.c: Include toplev.h in generated file.
786 * doloop.c: Include toplev.h.
788 2001-04-11 Mark Mitchell <mark@codesourcery.com>
790 * Makefile.in (gcse.o): Depend on params.h.
791 * gcse.c: Include params.h.
792 (gcse_main): Don't do GCSE if doing so will take inordinate
794 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
795 * params.h (MAX_GCSE_MEMORY): New macro.
797 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
799 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
801 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
803 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
805 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
807 * real.h (ereal_atof, real_value_truncate, target_isnan,
808 target_isinf, target_negative, assemble_real, debug_real): Delete
809 redundant prototypes.
811 * Makefile.in (ifcvt.o): Depend on toplev.h.
813 * c-semantics.c: Include expr.h.
815 * ifcvt.c: Include toplev.h.
817 * expr.h (rtx_equal_p): Delete prototype.
819 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
820 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
821 eliminate_constant_term, expand_complex_abs, find_single_use,
822 make_tree, init_expr_once, init_optabs, supports_one_only):
825 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
826 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
827 expand_assignment, store_expr, emit_line_note_after,
828 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
830 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
832 * sparc-protos.h: Delete redundant prototypes.
834 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
836 * reload.c (push_reload): Add condition missed in SUBREG byte
839 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
841 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
843 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
845 * i386.md (floatsisf_sse): Fix output template
846 * i386.c (ix86_expand_fp_movcc)
848 * reg-stack.c (emit_pop_insn): Handle complex modes.
849 (move_for_stack_reg): Emit proper move mode.
850 (subst_stack_regs_pat): Handle complex modes.
852 2001-04-11 Jakub Jelinek <jakub@redhat.com>
854 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
856 2001-04-10 Richard Henderson <rth@redhat.com>
858 * libgcc2.h (__terminate_func_ptr): Remove typedef.
859 (__pure_virtual, __terminate, __terminate_set_func,
860 __default_terminate, __throw_type_match, __empty,
861 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
862 __eh_rtime_match, __unwinding_cleanup, __rethrow,
863 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
864 Remove prototypes of deleted functions.
866 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
868 * c-typeck.c (convert_arguments): -Wtraditional now activates
869 -Wconversion warnings, except for changes in signed-ness.
870 Detect complex<->int & int<->complex conversions as well.
872 * invoke.texi (-Wtraditional): Document it.
874 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
876 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
877 * flow.c (set_block_for_new_insns): Remove needless cast and
878 properly check for unset block number.
880 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
882 * function.c (purge_single_hard_subreg_set): Only check REGNO if
883 the subreg was a hard register. Pseudos are left as subregs.
885 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
887 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
888 (LIB2ADD_ST): New macro, pass it to mklibgcc.
889 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
890 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
891 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
893 2001-04-09 Bo Thorsen <bo@suse.co.uk>
895 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
897 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
899 * output.h (set_block_num): Missed it earlier, remove deprecated
902 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
904 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
905 (load_killed_in_block_p): Change bb parameter from int to basic_block.
906 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
907 (handle_rd_kill_set): Change bb parameter from int to basic_block.
908 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
909 (expr_killed_p): Change bb parameter from int to basic_block, pass
910 basic_blocks instead of ints as parameters.
911 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
912 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
913 from int to basic_block, pass basic_blocks instead of ints as parms.
914 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
915 parameter from int to basic_block, pass basic_blocks instead of ints.
916 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
917 (insert_insn_end_bb): Change bb parameter from int to basic_block,
918 pass basic_blocks instead of ints.
919 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
920 basic_blocks instead of ints as parameters.
921 (pre_delete): Pass basic_blocks instead of ints as parameters.
922 (hoist_expr_reaches_here_p): Change bb parameter from int to
923 basic_block, pass basic_blocks instead of ints.
924 (hoist_code): Pass basic_blocks instead of ints as parameters.
925 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
926 Change bb parameter from int to basic_block.
927 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
928 (insert_insn_start_bb): Change bb parameter from int to basic_block,
929 pass basic_blocks instead of ints.
930 (insert_store): Pass basic_blocks instead of ints as parameters.
931 (replace_store_insn, delete_store): Change bb parameter from int to
932 basic_block, pass basic_blocks instead of ints.
933 (store_motion): Pass basic_blocks instead of ints as parameters.
935 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
937 * basic-block.h (set_new_block_for_insns): New Prototype.
938 (set_block_num): Delete prototype.
939 * flow.c (set_block_num): Remove obsolete function.
940 (set_block_for_new_insns): Set BB for single or multiple insns.
941 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
942 (process_insn_end_bb): Use set_block_for_new_insns or
943 set_block_for_insn instead of set_block_num.
944 (pre_insert_copy_insn): Use set_block_for_new_insns.
945 (update_ld_motion_stores): Use set_block_for_new_insns.
946 (insert_insn_start_bb): Use set_block_for_new_insns.
947 (replace_store_insn): Use set_block_for_new_insns.
949 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
950 Jeff Law <law@redhat.com>
952 * alias.c (get_addr): Externalize.
953 (canon_true_dependence): New function. Behaves like true_dependance
954 except it already assumes a MEM has been canonicalized.
955 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
956 * gcse.c (struct ls_expr): Add load/store expressions structure.
957 (modify_mem_list, canon_modify_mem_list): New variable.
958 (gcse_main): Initialize & finalize alias analysis. Use enhanced
959 load motion and store motion if requested.
960 (alloc_gcse_mem): Allocate space for modify_mem_list array.
961 (free_gcse_mem): Free the modify_mem_list array.
962 (oprs_unchanged_p): Use load_killed_in_block_p.
963 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
964 (mems_conflict_for_gcse_p): New function. Don't kill loads
965 with stores to themselves if its in the load/store expression list.
966 (load_killed_in_block_p): New function.
967 (canon_list_insert): New Function.
968 (record_last_mem_set_info): Keep a list of all instructions which
969 can modify memory for each basic block.
970 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
971 (oprs_not_set_p): Use load_killed_in_block_p.
972 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
973 (expr_killed_p): Use load_killed_in_block_p.
974 (compute_transp): Do not pessimize memory references.
975 (pre_edge_insert): Update stores for a load motion expression.
976 (one_pre_gcse_pass): Check loads/stores for extra load motion.
977 (ldst_entry): Find or create a ldst_expr structure.
978 (free_ldst_entry): Free memory for an individual item.
979 (free_ldst_mems): Free entire load/store expression list.
980 (print_ldst_list): Print debug info.
981 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
982 (enumerate_ldsts): Assign integer values to each entry in list.
983 (first_ls_expr): First expression in the list.
984 (next_ls_expr): Next expression in the list.
985 (simple_mem): Check if expression qualifies for ld/st expression list.
986 (invalidate_any_buried_refs): Remove from expression list if its
987 used in some other way we dont understand.
988 (compute_ld_motion_mems): Find all potential enhanced load motion
990 (trim_ld_motion_mems): Remove any expressions which are invalid.
991 (update_ld_motion_stores): Copy store values to registers for loads
992 which have been moved.
993 (regvec, st_antloc, num_store): New global statics.
994 (reg_set_info): Marks registers as set.
995 (store_ops_ok): Verfies registers expressions are valid in a block.
996 (find_moveable_store): Look for moveable stores in a pattern.
997 (compute_store_table): Find stores in a function worth moving, maybe.
998 (load_kills_store): Check dependance of a load and store.
999 (find_loads): Find any loads in a pattern.
1000 (store_killed_in_insn): Check if a store is killed in an insn.
1001 (store_killed_after): Check is store killed after an insn in a block.
1002 (store_killed_before): Check is store killed before an insn in a block.
1003 (build_store_vectors): Generate the antic and avail vectors.
1004 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1005 (insert_store): Add a store to an edge.
1006 (replace_store_insn): Replace a store with a SET insn.
1007 (delete_store): Delete a store insn.
1008 (free_store_memory): Free memory.
1009 (store_motion): Perform store motion.
1010 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1011 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1012 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1013 (f_options): Add gcse-lm and gcse-sm.
1015 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1017 * i386.c (expand_fp_movcc): Fix condition reversal code.
1019 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1020 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1021 (CLASS_MAX_NREGS): Use it.
1023 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1024 handle properly complex values.
1025 (CLASS_MAX_NREGS): Likewise; update comment.
1027 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1029 * ia64.c (ia64_flag_schedule_insns2): New variable.
1030 (ia64_override_options): Initialize it. Clear
1031 flag_schedule_insns_after_reload.
1032 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1034 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1036 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1037 Do not require source to match destination anymore;
1038 Add abort to the nontrivial cases that should be handled by split.
1039 (fix_trunc?fdi): Add SSE case for x86_64.
1040 (floatdi?f): Likewise.
1041 (floatdi?f_sse): New.
1042 (fix_trunc?fdi_sse): New.
1044 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1046 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1047 (DEBUG_ARANGES_END_LABEL): Ditto.
1048 (dwarfout_init): Generate length and version fields at the start
1049 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1050 after the length field.
1051 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1052 the .debug_aranges info.
1054 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1056 * i386.c (call, call_value): Make sure that resulting call_insn
1057 does have proper second operand.
1059 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1061 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1062 function. Remove include of sys/cygwin.h.
1064 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1066 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1067 (CPP_SPEC): Always search */include/w32api for header files.
1068 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1069 (LINK_SPEC): Add "cyg" to the library search prefixes.
1071 2001-04-08 Philip Blundell <philb@gnu.org>
1073 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1075 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1077 * cpperror.c (print_location): Don't special case <stdin>.
1078 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1079 WARNING, but we don't check if we're in system headers.
1080 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1081 * cpplib.c (do_warning): Warn in system headers.
1083 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1085 * mbchar.c: Include config.h first.
1087 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1089 * config.gcc: Set default for xmake_file at top, not bottom.
1090 Change places that set xmake_file to "none" to set to the
1091 empty string instead, or remove them entirely if there is no
1092 default xmake_file for this cpu_type. Remove references to
1095 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1096 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1097 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1098 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1099 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1100 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1101 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1102 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1103 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1104 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1107 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1108 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1109 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1110 config/mips/x-sysv, config/rs6000/x-aix31:
1111 Just set CLIB to -lld or -lmld, as appropriate.
1113 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1114 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1115 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1116 config/mips/x-iris, config/pa/x-pa:
1117 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1118 OTHER_FIXINCLUDES_DIRS.
1120 * config/i386/x-djgpp: Don't set LN or LN_S.
1121 * config/m88k/x-dolph: Don't define __m88k__.
1122 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1123 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1124 * config/i860/fx2800.h: No need to #undef SVR4.
1126 38 x-host fragments remain, 2 x-cpu.
1128 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1130 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1132 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1134 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1136 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1138 * configure.in: Add check for lstat.
1139 * configure, config.in: Regenerate.
1140 * cppinit.c (append_include_chain): Make empty path ".".
1141 * cpplib.c (do_line): Don't simplify #line paths.
1142 * cppfiles.c (remove_component_p): New function.
1143 (find_or_create_entry): Acknowledge stat () errors during
1144 path simplification.
1145 (handle_missing_header): Don't simplify paths.
1146 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1147 the empty path untouched. Don't leave a trailing '/'.
1149 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1151 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1152 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1154 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1156 * cppfiles.c (open_file): Fail directories silently, but
1157 with an errno of NOENT set.
1158 (read_include_file): Move the common exit code to the sole
1159 caller. Return an int indicating success or failure. Let
1160 open_file handle directories.
1161 (stack_include_file): If read_include_file fails,
1162 push a "null" buffer.
1164 2001-04-05 DJ Delorie <dj@redhat.com>
1166 * function.h (virtuals_instantiated): Declare.
1167 * function.c: (virtuals_instantiated): Make global.
1168 * calls.c (emit_library_call_value_1): Use
1169 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1170 Otherwise, use the stack pointer directly.
1172 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1174 * i386.c (x86_initialize_trampoline): New global function.
1175 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1176 (INITIALIZE_TRAMPOLINE): Move offline.
1177 * i386-protos.h (x86_initialize_trampoline): Declare.
1179 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1181 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1182 (lea_0): Rename to lea_1.
1183 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1184 (lea_general_?): Allow SImodes on TARGET_64BIT
1185 (lea_general_?_zext): New patterns.
1186 (call_1, call_1_rex64): Fix.
1188 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1190 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1192 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1194 * i386.c (function_arg): Return constm1_rtx for last argument.
1195 (ix86_expand_prologue): Update gen_call calls.
1196 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1197 * i386.md (call_pop): Likewise.
1198 (call): Second operand is VOIDmode.
1199 (call_0): Likewise; Support 64bits.
1200 (call_exp): New expander.
1201 (call_1): Get to the sync.
1202 (call_1_exp): New pattern.
1203 (call_value): Support 64bit.
1204 (call_value_exp): New pattern.
1205 (untyped_call): Update gen_call call.
1206 (call_value_pop): Disable for 64bit.
1207 (call_value_0_rex64): New pattern.
1208 (call_value_1_rex64): Likewise.
1210 2001-04-05 Bo Thorsen <bo@suse.de>
1212 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1214 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1216 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1217 satisfies ANY_QI_REG_P.
1219 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1221 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1224 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1227 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1229 * config.gcc: Remove default for xm_file. Clean up local
1230 machine type handling. Remove settings of xm_file to
1231 something that doesn't exist. In the big switch, set xm_file,
1232 don't append to it (the value before the big switch is always
1233 null). Don't force build_xm_file or host_xm_file to have a value.
1234 * configure.in: Remove default for xm_file. Do not special
1235 case $cpu/xm-$cpu.h not existing.
1236 * configure: Regenerate.
1238 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1240 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1241 when folding integer division and modulo operations.
1243 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1245 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1246 instead of DWARF2_ADDR_SIZE for EH addresses.
1247 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1250 2001-04-04 Richard Henderson <rth@redhat.com>
1252 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1253 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1254 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1256 2001-04-04 Richard Henderson <rth@redhat.com>
1258 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1259 * configure: Rebuilt.
1261 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1263 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1264 push insns to delete to it instead of deleting them.
1265 (delete_null_pointer_checks): Delete insns from delete_list after
1266 all delete_null_pointer_checks_1 passes are done.
1268 2001-04-04 Richard Henderson <rth@redhat.com>
1270 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1271 * configure: Rebuilt.
1273 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1275 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1276 * config/romp/xm-romp.h: Delete.
1278 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1280 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1283 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1285 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1286 all labels present in rtx.
1287 (try_split) Call new function for all split insns.
1289 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1291 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1292 sure the change won't be validated.
1294 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1296 * rtl.h (set_noop_p): Declare.
1297 * flow.c (set_noop_p): Move from here ...
1298 * rtlanal.c (set_noop_p): ... to here and enhance.
1299 * cse.c (delete_trivially_dead_insns): Use it.
1300 * gcse.c (hash_scan_set): Likewise.
1301 * jump.c (delete_noop_moves): Likewise.
1302 * recog.c (split_all_insns): Likewise.
1304 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1306 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1307 stack pointer via a LO_SUM. Ditto for setting a temp register
1308 used to save to the stack. Set cfa_temp when setting fp, and
1309 allow matches to cfa_temp in addition to cfa_store when saving
1310 regs. Handle POST_INC and LO_SUM register stores. Document the
1311 changes and errors in rule 12 doco.
1313 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1314 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1315 (load_reg): Move closer to epilogue code.
1316 (DO_FRAME_NOTES): Define to control the following..
1317 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1318 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1320 (hppa_expand_epilogue): Likewise.
1322 2001-04-03 Richard Henderson <rth@redhat.com>
1324 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1325 * configure: Rebuild.
1327 2001-04-03 Richard Henderson <rth@redhat.com>
1329 * rtl.h (LCT_THROW): New.
1330 * calls.c (emit_library_call_value_1): Handle it.
1331 * except.c (connect_post_landing_pads): Use it.
1333 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1335 * gansidecl.h: Delete file.
1336 * configure.in: Change all refs to gansidecl.h to use
1337 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1339 * configure: Regenerate.
1341 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1342 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1343 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1344 Don't include gansidecl.h.
1345 * intl.c, main.c, version.c, fixinc/fixlib.h,
1346 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1349 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1351 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1354 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1356 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1357 config/i386/xm-next.h, config/i386/xm-sco.h,
1358 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1359 config/m88k/xm-m88k.h: Delete.
1361 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1362 * config/romp/xm-romp.h: Don't define bcopy.
1363 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1364 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1366 * config.gcc: Remove references to deleted files.
1368 14 xm-host.h remain, 1 xm-cpu.h.
1370 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1371 David S. Miller <davem@pierdol.cobaltmicro.com>
1372 Andrew MacLeod <amacleod@redhat.com>
1374 Use byte offsets in SUBREGs instead of words.
1376 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1377 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1378 to pass new argument.
1379 (add_stored_regs): Use subreg_regno_offset function.
1380 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1382 (precompute_arguments): Use gen_lowpart_SUBREG.
1383 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1384 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1385 (simplify_set): Rework to use SUBREG_BYTE.
1386 (expand_field_assignment): Use SUBREG_BYTE.
1387 (make_extraction): Use SUBREG_BYTE.
1388 (if_then_else_cond): Use SUBREG_BYTE.
1389 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1390 (gen_lowpart_for_combine): Compute full byte offset.
1391 * cse.c (mention_regs): Use SUBREG_BYTE.
1392 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1393 (canon_hash): Use SUBREG_BYTE.
1394 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1395 (gen_lowpart_if_possible): Formatting.
1396 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1398 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1399 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1400 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1401 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1402 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1403 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1404 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1405 certain invariants about SUBREGs the compiler creates.
1406 (gen_lowpart_SUBREG): New function.
1407 (subreg_hard_regno): New function to get the final register number.
1408 (gen_lowpart_common): Use SUBREG_BYTE.
1409 (gen_imagpart): Spacing nits.
1410 (subreg_realpart_p): Use SUBREG_BYTE.
1411 (gen_highpart): Use SUBREG_BYTE.
1412 (subreg_lowpart_p): Always compute endian corrected goal offset,
1413 even at the byte level, then compare against that.
1414 (constant_subword): New function, pulled out all constant cases
1415 from operand_subword and changed second argument name to offset.
1416 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1417 and call constant_subword to do the work. Return const0_rtx if
1418 looking for a word outside of OP.
1419 (operand_subword_force): Change second arg name to offset.
1420 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1421 (store_split_bit_field): Use SUBREG_BYTE.
1422 (extract_bit_field): Use SUBREG_BYTE.
1423 (extract_split_bit_field): Use SUBREG_BYTE.
1424 (expand_shift): Use SUBREG_BYTE.
1425 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1426 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1427 * flow.c (set_noop_p): Use SUBREG_BYTE.
1428 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1429 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1430 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1432 (optimize_bit_field): Use SUBREG_BYTE.
1433 (purge_addressof_1): Use SUBREG_BYTE.
1434 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1435 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1436 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1437 * gengenrtl.c (special_rtx): Add SUBREG.
1438 * global.c (mark_reg_store): Use SUBREG_BYTE.
1439 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1440 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1441 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1442 final byte offset is congruent to subreg's mode size.
1443 (subst_constants): Use SUBREG_BYTE.
1444 (mark_stores): Use subreg_regno_offset function.
1445 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1446 function and SUBREG_BYTE.
1447 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1448 (reg_is_born): Use subreg_hard_regno.
1449 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1450 endian correction code. Don't combine subregs unless resulting
1451 offset aligns with type. Fix subreg constant extraction for DImode.
1452 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1453 (general_operand): Remove dead mode_altering_drug code.
1454 (indirect_operand): Use SUBREG_BYTE.
1455 (constrain_operands): Use subreg_regno_offset function.
1456 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1457 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1458 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1459 * regs.h (REG_SIZE): Allow target to override.
1460 (REGMODE_NATURAL_SIZE): New macro which target can override.
1461 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1462 on the entire subreg rtx.
1463 (push_reload): Use SUBREG_BYTE in comments and code.
1464 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1465 for hard registers inside subregs.
1466 (operands_match_p): Use subreg_regno_offset.
1467 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1468 containing hard regs.
1469 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1470 corrections when fixing up MEM subregs.
1471 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1472 subreg_regno_offset where appropriate.
1473 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1474 byte endian corrections when fixing up MEM subregs.
1475 (subst_reloads): When combining two subregs, make sure final
1476 offset is congruent to subreg's mode size.
1477 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1478 (refers_to_regno_for_reload_p): Use subreg_regno.
1479 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1480 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1481 correction code for memory subreg fixups.
1482 (forget_old_reload_1): Use subreg_regno_offset.
1483 (choose_reload_regs): Use subreg_regno.
1484 (emit_input_reload_insns): Use SUBREG_BYTE.
1485 (reload_combine_note_store): Use subreg_regno_offset.
1486 (move2add_note_store): Use subreg_regno_offset.
1487 * resource.c (update_live_status, mark_referenced_resources): Use
1488 subreg_regno function.
1489 (mark_set_resources): Use subreg_regno function.
1490 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1491 (subreg_regno_offset, subreg_regno): Define prototypes.
1492 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1493 (gen_lowpart_SUBREG): Add prototype.
1494 * rtl.texi (subreg): Update to reflect new byte offset representation.
1495 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1496 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1497 (reg_overlap_mentioned_p): Use subreg_regno.
1498 (replace_regs); Make sure final offset of combined subreg is
1499 congruent to size of subreg's mode.
1500 (subreg_regno_offset): New function.
1501 (subreg_regno): New function.
1502 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1503 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1504 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1505 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1506 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1507 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1508 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1509 (print_operand): Use SUBREG_BYTE.
1510 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1511 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1512 (arm_reload_out_hi): Use SUBREG_BYTE.
1513 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1514 instead of SUBREG_WORD.
1515 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1516 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1517 SUBREG creation to use byte offset.
1518 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1519 inverted load insns): Fix explicit rtl subregs to use byte
1521 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1522 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1523 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1524 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1525 to use byte offsets.
1526 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1527 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1528 offsets, also make sure it is congruent to SUBREG's mode size.
1529 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1530 unnamed ldob insn): Generate SUBREGs with byte offset.
1531 (zero_extendqihi2): SUBREG's are byte offsets.
1532 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1533 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1534 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1535 zero-extendqisi2): Generate SUBREGs with byte offset.
1536 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1537 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1538 subregs in rtl to use byte offsets.
1539 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1540 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1541 (mips_move_2words): Use subreg_regno_offset.
1542 (mips_secondary_reload_class): Use subreg_regno_offset.
1543 * config/mips/mips.md (DImode plus, minus, move, and logical op
1544 splits): Fixup explicit subregs in rtl to use byte offsets.
1545 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1546 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1547 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1548 rtl to use byte offsets.
1549 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1550 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1551 subregs to use byte offsets.
1552 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1553 Fixup explicit subregs in rtl to use byte offsets.
1554 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1555 and remove byte endian correction code.
1556 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1557 (gen_ashift_hi): Use SUBREG_BYTE.
1558 (regs_used): Use subreg_regno_offset.
1559 (machine_dependent_reorg): Use subreg_regno_offset.
1560 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1561 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1562 (movdf_i4): Subregs are byte offsets now.
1563 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1564 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1565 (REGMODE_NATURAL_SIZE): Override.
1566 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1567 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1569 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1570 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1571 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1572 it is congruent to SUBREG's mode size.
1573 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1575 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1576 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1577 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1578 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1579 * config/v850/v850.c (print_operand, output_move_double): Use
1580 subreg_regno function.
1582 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1584 * configure.in (target_subdir): Use target_alias, not target.
1585 * configure: Rebuilt.
1587 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1589 * config/sh/crti.asm: Fix typos in comments.
1591 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1593 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1594 TARGET_FAST_INDIRECT_CALLS.
1595 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1597 (return_addr_rtx): Short circuit export stub matching when
1598 TARGET_NO_SPACE_REGS.
1599 (output_millicode_call): For out of range calls, make -fPIC
1600 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1601 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1602 * pa.md: Modify length attr calculation of all millicode insns to
1605 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1607 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1608 Require at least 2.11 in the version test. Specifically check
1609 for and reject GAS version 2.10.90.
1610 * configure: regenerate.
1612 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1614 * pa.c (override_options): Remove PIC profiling warning.
1615 (hp_profile_labelno): Delete.
1616 (hp_profile_label_rtx): Delete.
1617 (hp_profile_label_name): Delete.
1618 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1619 (output_function_prologue): Remove profiling code and all tests on
1620 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1621 merge_sp_adjust_with_store can work for PIC and profiling.
1622 (hppa_expand_epilogue): Remove profile_flag test.
1623 (hppa_can_use_return_insn_p): Likewise.
1624 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1625 cater for PROFILE_HOOK.
1626 (hppa_profile_hook): New function.
1627 * pa.h (FUNCTION_PROFILER): Now does nothing.
1628 (PROFILE_HOOK): Define.
1629 (hppa_profile_hook): Declare.
1630 (PROFILE_BEFORE_PROLOGUE): Delete.
1631 (ASM_OUTPUT_REG_PUSH): Delete.
1632 (ASM_OUTPUT_REG_POP): Delete.
1633 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1634 r24. Accept function name operand, and use this and a locally
1635 generated label to calculate pc-rel offset to func start.
1637 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1639 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1640 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1643 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1645 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1646 LO_SUM cases to where they belong.
1648 2001-04-02 Richard Henderson <rth@redhat.com>
1650 * except.h (lang_eh_type_covers): Mark extern.
1651 (lang_eh_runtime_type): Likewise.
1653 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1655 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1656 gengenrtl.c: Wrap generated header in multiple-include guard.
1657 Improve error checking.
1659 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1661 * configure.in: Don't check for putenv.
1662 * configure: Regenerate.
1663 * gcc.c (putenv): Don't define.
1664 * vax/xm-vms.h: Handle putenv.
1666 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1668 * ifcvt.c (noce_emit_move_insn): New.
1669 (noce_try_store_flag, noce_try_store_flag_constants,
1670 noce_try_store_flag_inc, noce_try_store_flag_mask,
1671 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1672 noce_try_abs): Use it.
1673 (noce_process_if_block): Likewise.
1674 For STRICT_LOW_PART, take mode from its SUBREG.
1676 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1678 * fold-const.c (fold): Before optimizing unsigned comparison with
1679 0x7fffffffU, make sure arg0 is integral type.
1681 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1683 * c-tree.texi: Document representation of wide strings.
1685 2001-04-01 Richard Henderson <rth@redhat.com>
1687 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1689 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1691 * i386.md: remove obsoleted comments.
1692 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1693 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1694 fix output template.
1696 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1698 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1700 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1702 * loop.c (load_mems): When generating a load from a pseudo, update
1705 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1707 * i386.c (ix86_split_long_move): Use change address to compensate
1708 stack pointer change in push instruction.
1710 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1712 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1713 instead of rtx_equal_p; fix the output template.
1715 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1717 * i386.c (ix86_expand_setcc): Support 64bit.
1718 (ix86_expand_int_movcc): Likewise.
1719 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1722 * i386.md (allocate_stack_worker): Turn to expander.
1723 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1725 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1727 2001-03-29 Richard Henderson <rth@redhat.com>
1729 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1731 2001-03-28 Matthew Hiller <hiller@redhat.com>
1733 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1736 * MAINTAINERS: Added self.
1738 2001-03-28 Richard Henderson <rth@redhat.com>
1740 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1741 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1743 2001-03-28 Jim Wilson <wilson@redhat.com>
1745 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1748 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1750 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1752 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1755 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1757 2001-03-28 DJ Delorie <dj@redhat.com>
1759 * Makefile.in (stage1_build): Revert CFLAGS patch.
1761 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1763 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1764 when multiplier or multiplicand is zero.
1766 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1768 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1770 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1772 (set_src_needs_barrier): Likewise.
1773 (rtx_needs_barrier): For SET case, use these two functions. Rework
1774 PARALLEL case to handle all inputs before all outputs.
1775 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1776 saw a label and no stop bit since then.
1777 (maybe_rotate, process_epilogue): Add prototypes.
1779 2001-03-28 Richard Henderson <rth@redhat.com>
1781 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1782 not TARGET_TOC for special toc restore handling.
1783 * config/rs6000/rs6000.md (eh_return): Likewise.
1785 2001-03-28 Richard Henderson <rth@redhat.com>
1787 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1788 current_function_calls_eh_return.
1789 (output_function_epilogue): Handle eh_return.
1790 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1791 (EH_RETURN_DATA_REGNO): New.
1792 (EH_RETURN_STACKADJ_RTX): New.
1793 (EH_RETURN_HANDLER_RTX): New.
1794 * config/sparc/sparc.md (call/short branch peepholes): Check
1795 can_throw_internal instead of in_same_eh_region.
1797 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1798 for eh_return data registers.
1799 (rs6000_emit_prologue): Save eh_return data registers.
1800 (rs6000_emit_epilogue): Force inline restores if eh_return.
1801 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1802 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1803 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1804 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1805 the target uses one.
1806 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1807 (return_eh_si, return_eh_di): Remove.
1808 (eh_return): New, from corpse of eh_epilogue.
1809 (eh_set_lr_si, eh_set_lr_di): New.
1811 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1812 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1813 True for pic register if current_function_calls_eh_return.
1814 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1815 Handle eh_return requirements.
1816 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1817 (EH_RETURN_STACKADJ_RTX): New.
1818 * config/i386/i386.md (exception_receiver): Remove.
1819 (eh_return, eh_return_1): New.
1820 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1822 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1823 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1824 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1825 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1826 (EH_RETURN_DATA_REGNO): New.
1827 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1828 * config/alpha/alpha.md (eh_epilogue): Remove.
1829 (exception_receiver): Use $26 for ldgp input.
1830 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1832 2001-03-28 Richard Henderson <rth@redhat.com>
1834 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1835 * except.h: Likewise.
1837 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1838 (LIB2ADDEHDEP): New.
1839 (LIB2FUNCS_EH): Remove.
1840 (LIB2ADD): Remove LIB2ADDEH.
1841 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1842 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1843 (crt{begin,end}[S].o): Likewise.
1844 (except.o): Update includes.
1845 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1846 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1848 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1849 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1850 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1851 * builtins.c (expand_builtin): Implement it.
1852 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1853 * c-common.c (c_common_nodes_and_builtins): Declare it.
1854 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1855 * calls.c (libfunc_nothrow): Remove.
1856 (emit_library_call_value_1): Don't call it.
1857 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1858 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1859 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1860 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1861 (current_funcdef_number): Globalize.
1862 (output_call_frame_info): Emit frame data if an lsda is needed.
1863 Generate augmentation for personality routine. Don't play with
1865 (dwarf2out_begin_prologue): Record funcdef_number.
1866 * dwarf2out.h (current_funcdef_number): Declare.
1867 * expr.c (expand_expr): Update for except.h name changes.
1868 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1869 * expr.h (LTI_throw, LTI_rethrow): Remove.
1870 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1871 (LTI_eh_rtime_match): Remove.
1872 (LTI_unwind_resume, LTI_eh_personality): Add.
1873 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1874 * final.c (final): Don't call check_exception_handler_labels,
1875 init_insn_eh_region, or free_insn_eh_region.
1876 (final_scan_insn): Always emit debug labels for
1877 NOTE_INSN_EH_REGION notes.
1878 * flags.h (flag_new_exceptions): Remove.
1879 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1880 (record_active_eh_regions): Remove.
1881 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1882 Use can_throw_internal.
1883 (find_basic_blocks_1): Likewise.
1884 (move_stray_eh_region_notes): Remove.
1885 (find_label_refs): No eh_return_stub_label.
1886 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1887 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1889 (delete_unreachable_blocks): Don't track deleted handlers.
1890 (flow_delete_block): Use maybe_remove_eh_handler.
1891 (delete_eh_regions): Remove.
1892 (merge_blocks): Don't check for eh region match.
1893 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1894 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1895 (init_propagate_block_info): Disable dead frame store optimization
1896 when current_function_calls_eh_return.
1897 (dump_bb): Don't print eh_beg, eh_end.
1898 * function.c (fixup_var_refs): No catch_clauses.
1899 (expand_function_end): Likewise. Call expand_eh_return before
1900 the return register use. Call sjlj_emit_function_exit_after.
1901 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1902 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1903 * ifcvt.c (dead_or_predicable): Remove eh region check.
1904 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1905 Don't check for EH vs parameters.
1906 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1907 (expand_inline_function): Call duplicate_eh_regions.
1908 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1909 (copy_insn_notes): Remap REG_EH_REGION notes.
1910 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1911 * integrate.h (struct inline_remap): Add local_return_label.
1912 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1913 check_exception_handler_labels, nor exception_optimize.
1914 (find_cross_jump): No EH region check.
1915 * optabs.c (init_optabs): Update for changed eh libfuncs.
1916 * rtl.def (RESX): New.
1917 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1918 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1919 checks. Update for except.h name changes.
1920 (expand_cleanups): Likewise.
1921 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1922 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1923 (compile_file): Call init_eh before init_optabs. Don't
1924 output_exception_table here.
1925 (rest_of_compilation): Call convert_from_eh_region_ranges,
1926 convert_to_eh_region_ranges, output_function_exception_table.
1927 Don't emit_eh_context.
1928 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1929 (EXC_PTR_EXPR): New.
1931 * md.texi (eh_epilogue): Remove.
1932 (eh_return): Document.
1933 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1934 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1936 * eh-common.h: Remove file.
1937 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1938 * libgcc2.c (L_eh): Remove.
1940 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1941 * unwind-dw2-fde.h: New file.
1942 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1943 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1944 * libgcc-std.ver: Update for eh symbols.
1946 2001-03-27 Richard Henderson <rth@redhat.com>
1948 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1949 reduce false positives.
1950 (regmove_optimize): Disable if flag_non_call_exceptions.
1952 * stmt.c (expand_return): Remove always true predicate.
1953 (expand_decl_cleanup_no_eh): Remove dead code.
1955 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1956 barrier code. Add a scheduling barrier if a non-call insn
1957 can throw internally.
1959 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1960 Auto-inc addresses trap only if their base register does.
1962 * except.c (can_throw_internal): Rename from can_throw.
1963 * except.h, resource.c: Update references.
1965 * integrate.c (copy_insn_list): Use returnjump_p.
1966 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1968 * function.h (struct function): Move all boolean valued fields
1969 to single bit fields at the end of the struct.
1971 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1973 Rename asynchronous_exceptions to flag_non_call_exceptions.
1975 * gthr-single.h (UNUSED): New. Distinguish between how C
1976 and C++ mark unused function arguments. Use throughout.
1978 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1979 value to target configuration header.
1980 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1981 * config.in, configure: Rebuild.
1982 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1983 configuration and target defines.
1984 (exceptions_via_longjmp): Remove.
1985 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1986 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1988 * except.h (flag_non_call_exceptions): Move ...
1989 * flags.h: ... here.
1991 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1992 exceptions, put the note on the trapping instruction.
1994 * flags.h (flag_new_exceptions): Remove.
1995 * toplev.c: Don't set it.
1996 * final.c: Don't check it.
1997 * except.c: Provide stub definition.
1999 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2000 (calculate_global_regs_live): Kill call-clobbered registers
2001 across exception edges.
2002 * reg-stack.c (convert_regs_1): Kill the entire target stack
2003 across non-call exception edges.
2005 * flow.c (cleanup_cfg): Take no argument.
2006 * output.h, sibcall.c, toplev.c: Update all calls.
2008 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2010 * configure.in: Don't check for bcopy.
2011 * configure, config.in: Regenerate.
2013 * system.h: Don't define or prototype bcopy, instead poison it.
2015 2001-03-27 Richard Henderson <rth@redhat.com>
2017 * function.c (expand_function_start): Set DECL_REGISTER on
2018 a pseudo used for DECL_RESULT.
2020 * rtl.h (LCT_NORETURN): New.
2021 * calls.c (emit_library_call_value_1): Handle it.
2023 2001-03-27 Stan Shebs <shebs@apple.com>
2025 * objc/objc-act.c (objc_init): Use dump_base_name.
2026 (gen_declaration): Clear the buffer arg.
2027 (gen_declaration_1): New function, body of gen_declaration.
2028 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2029 (gen_method_decl): Ditto, plus always clear buffer arg.
2030 (error_with_ivar): Simplify.
2031 (warn_with_method): Ditto.
2032 (build_message_expr): Don't clear buffers.
2033 (dump_interface): Ditto.
2034 (objc_debug): Ditto.
2035 (build_keyword_selector): Clear the buffer by only zeroing
2037 (objc_implementation_context): Declare.
2038 (start_class): Warn about missing @end.
2039 (finish_objc): Ditto.
2041 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2043 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2045 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2047 * Makefile.in (SYSTEM_H): Define.
2048 Depend on $(SYSTEM_H), not system.h.
2050 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2052 2001-03-27 Jim Wilson <wilson@redhat.com>
2054 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2056 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2057 (process_epilogue): New static function.
2058 (process_set): Call process_epilogue instead of emitting .restore
2060 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2062 * flow.c (struct reg_cond_life_info): New fields orig_condition
2064 (init_propagate_block_info): Set new fields.
2065 (mark_regno_cond_dead): Set and use new fields.
2066 (flush_reg_cond_reg_1): Likewise.
2067 (and_reg_cond, case AND): Check for redundant AND conditions.
2068 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2071 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2073 * cppmacro.c (stringify_arg): Null terminate strings.
2075 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2077 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2078 inclusion style. xm-m68hc11.h no longer exists.
2079 * config/m68hc11/xm-m68hc11.h: Delete file.
2080 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2082 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2083 Don't define GCC_VERSION, N_, or PARAMS; don't include
2084 gansidecl.h or stdio.h. Define inhibit_libc here.
2085 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2086 Delete code conditioned on #if GCC_VERSION == 2095.
2088 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2089 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2090 Delete code conditioned on #if GCC_VERSION == 2095.
2092 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2094 * system.h: Include symcat.h.
2095 (STRINGIFY): Don't define.
2097 * configure.in: Adjust comment.
2099 * builtins.c: Use STRINGX, not STRINGIFY.
2100 * gencheck.c: Likewise.
2101 * gengenrtl.c: Likewise.
2102 * protoize.c: Likewise.
2104 * cpplex.c: Don't include symcat.h.
2105 * cpplib.c: Likewise.
2107 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2109 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2111 * c-typeck.c (digest_init): Fold init expression.
2113 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2115 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2117 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2119 * except.c (eh_regs): Save results of build_pointer_type to a temp
2120 as FUNCTION_VALUE macro may evaluate its args multiple times.
2122 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2124 * c-common.h (DECL_NUM_STMTS): New macro.
2125 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2127 (pushdecl): Likewise.
2128 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2129 * integrate.c (expand_inline_function): Don't check
2131 * print-tree.c (print_node): Don't print it.
2132 * toplev.c (rest_of_compilation): Don't try to inline when
2133 flag_no_inline is on.
2134 * tree.h (DECL_FRAME_SIZE): Remove.
2135 (tree_decl): Adjust accordingly.
2137 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2139 * combine.c (try_combine): Use memcpy, not bcopy.
2141 * genattrtab.c (expand_units): Likewise.
2143 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2145 * i386.md (push mem DI peep2): New.
2146 (mov 0, mov -1 peep2): Handle 64bit.
2147 (lea to arithmetics peep2): Handle 64bit leas.
2148 (rsp arithmetics to push/pop peep2s): New.
2150 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2152 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2154 * i386.c (struct machine_function): Add save_varrargs_registers.
2155 (ix86_save_varrargs_registers): New macro.
2156 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2157 (ix86_expand_prologue): Likewise.
2158 (ix86_emit_epilogue_esp_adjustement): Likewise.
2159 (ix86_expand_epilogue): Likewise.
2160 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2161 (pro_epilogue_adjust_stack_1): New insn.
2162 (pro_epilogue_adjust_stack_rex64): Likewise.
2163 * i386.h (MASK_NO_RED_ZONE): New constant.
2164 (TARGET_RED_ZONE): New macro.
2165 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2166 (RED_ZONE_SIZE): New constant.
2167 (RED_ZONE_RESERVE): New constant.
2169 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2171 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2173 2001-03-25 Kazu Hirata <kazu@hxi.com>
2175 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2178 (umodhi3): Likewise.
2181 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2183 * mkconfig.sh (DEFINES): Handle entries with '='.
2185 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2186 Set xm_defines to MACRO=value instead.
2188 * i370/xm-mvs.h: Delete.
2190 * ns32k/xm-pc532-min.h: Likewise.
2192 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2194 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2196 use ix86_expand_binary_operator
2197 (?sh??i_?): Disable for 64bit.
2198 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2199 * i386.c (shiftdi_operand): New predicate.
2201 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2202 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2203 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2204 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2205 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2206 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2207 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2208 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2209 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2210 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2211 (rotldi3, rotrdi3): New expanders.
2213 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2215 * i386.md (movstrsi): Move offline.
2217 (strmovdi_rex64): New.
2218 (strmov?i): Accept 64bit.
2219 (strmov?i_rex64): New.
2220 (strmov?i_rex_1): New.
2221 (strmov?i_1): Disable for 64bit.
2222 (rep_mov?i_rex64): New.
2223 (rep_mov?i): Disable for 64bit.
2224 (clrstrsi): Move offline.
2225 (strset?i_rex64): New.
2226 (strset?i: Accept 64bit.
2227 (rep_stos?i): Disable for 64bit.
2228 (rep_stos?i_rex64): New.
2229 (strset?i_rex_1): New.
2230 (strset?i_1): Disable for 64bit.
2231 (cmpstrsi): Accept 64bit.
2232 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2233 (cmpstrqi_nz_rex_1): New.
2234 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2235 (strlensi): Move offline.
2237 (strlenqi_1): Disable for 64bit; fix constraints.
2238 (strlenqi_rex_1): New.
2239 * i386.c (ix86_adjust_counter): New static function.
2240 (ix86_zero_extend_to_Pmode): Likewise.
2241 (ix86_expand_aligntest): Likweise.
2242 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2243 (ix86_expand_movstr): New global function.
2244 (ix86_expand_clrstr): New global function.
2245 (ix86_expand_strlen): New global function.
2246 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2247 ix86_expand_strlen): Declare.
2248 (ix86_expand_strlensi_unroll_1): Delete.
2250 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2252 * i386.md (cmpdi): Fix operand predicates.
2253 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2254 cmpdi_1_insn_rex64): New patterns.
2255 (adddi3): Turn to expander.
2256 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2257 (addsi3_carry_zext): New pattern.
2258 (adddi_?_rex64): New patterns and splitters.
2259 (addsi_?_zext): New patterns.
2260 (subsi3_carry_zext): New pattern.
2261 (subdi_?_rex64): New patterns and splitters.
2262 (iorsi_?_zext): New patterns.
2263 (iordi_?_rex64): New patterns and splitters.
2264 (iorsi_?_zext): New patterns.
2265 (iorsi_?_zext_imm): New patterns.
2266 (xorsi_?_zext): New patterns.
2267 (xordi_?_rex64): New patterns and splitters.
2268 (xorsi_?_zext): New patterns.
2269 (negdi*): New patterns.
2270 (one_cmpldi*): Likewise.
2271 (one_cmplsi*_zext, negsi*_zext): Likewise.
2272 (testqi_ext_3_rex64): New pattern.
2274 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2276 * i386-protos.h (ix86_split_long_move): Return void.
2277 * i386.c (ix86_split_to_parts): Handle 64bit target.
2278 (ix86_split_long_move): Likewise.
2279 * i386.md (all calls to ix86_split_long_move): Update.
2281 2001-03-23 Richard Henderson <rth@redhat.com>
2283 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2284 to avoid shadowing arguments.
2286 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2288 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2289 to variable names where DECL_NAME is different from
2290 DECL_ASSEMBLER_NAME.
2292 2001-03-23 Jim Wilson <wilson@redhat.com>
2294 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2295 (assemble_alias): Call make_decl_rtl.
2297 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2299 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2301 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2303 * extend.texi: Document the "java_interface" attribute.
2305 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2307 * mkconfig.sh: Use a subshell with redirected stdout,
2308 instead of closing stdout and confusing commands that run
2309 afterward. Throw away output of cmp.
2311 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2313 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2315 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2317 * i386.md (zero_extendsidi2_32): Break out from ...
2318 (zero_extendsidi2): ... here ; turn to expander.
2319 (zero_extendsidi2_rex64): New.
2320 (extendsidi2_32): Break out from ...
2321 (extendsidi2): ... here ; turn to expander.
2322 (extendsidi2_rex64): New.
2323 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2324 (trunc?f?f splitters): Add 64bit versions.
2326 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2328 * i386.md (pushsi, pushsi2_prologue): Disable.
2329 (pushsi2_rex64): New.
2330 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2331 (movqi_ext_1): Disable for 64bit.
2332 (movqi_ext_1_rex64): New.
2333 (pushdi2_rex64): New pattern, peep2s and splitter.
2334 (pushdi2_prologue_rex64): New pattern.
2335 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2337 (movdi splitters): Disable for 64bit.
2338 (movdi_1_rex64): New pattern, peep2s and splitters.
2339 (swapdi): New pattern.
2340 (pushsf): Disable for 64bit.
2341 (pushsf_rex64): New pattern and splitter.
2342 (pushdf_nointeger): Disable for 64bit.
2343 (pushdf_integer): Handle the 64bit case.
2344 (pushtf): Likewise; update splitters.
2346 2001-03-22 Richard Henderson <rth@redhat.com>
2348 * mkconfig.sh: Include insn-flags.h.
2349 * Makefile.in (CONFIG_H): Include insn-flags.h.
2350 (lots of objects): Remove insn-codes.h and insn-flags.h.
2352 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2353 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2354 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2355 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2356 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2357 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2358 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2359 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2360 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2361 v850/v850.c, vax/vax.c:
2362 Don't include insn-flags.h.
2364 * diagnostic.c, expr.h, reload.c, toplev.c:
2365 Don't include insn-codes.h.
2367 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2368 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2369 c4x/c4x.c, i960/i960.c, mips/mips.c:
2370 Don't include insn-codes.h or insn-flags.h.
2372 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2373 or insn-flags.h in the generated code.
2374 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2375 (main): Forward declare struct rtx_def.
2377 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2379 * invoke.texi (-ffast-math): Remove duplicate line about
2382 * gcc.texi: Remove more obsolete documentation of bugs and
2383 installation problems.
2385 2001-03-21 Kazu Hirata <kazu@hxi.com>
2387 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2390 2001-03-20 Jason Merrill <jason@redhat.com>
2392 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2394 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2395 * varasm.c (CHKR_PREFIX): Likewise.
2397 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2399 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2400 is part of a multi-SET insn.
2402 * cse.c (find_comparison_args): Remove previous change.
2403 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2406 * config/i386/i386.md (conditional_trap): Remove warning.
2408 * recog.c (push_operand): Fix error in last change that caused
2409 undefined symbol on many targets.
2411 * sdbout.c: #include ggc.h.
2412 (sdbout_init): Move to end of file.
2413 Call ggc_add_tree_root for anonymous_types.
2414 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2415 (sdbout_one_type): Use DECL_NAME for field name.
2416 * Makefile.in (sdbout.o): Show includes ggc.h.
2418 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2420 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2421 (override_options): Use properlimits for preferred_stack_boundary.
2422 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2424 (ext_register_operand): Accept DImode.
2425 (load_pic_register): Abort on 64bit.
2426 (gen_push): Use Pmode instead of SImode.
2427 (ix86_save_reg): Pic reg is never used on 64bit.
2428 (ix86_expand_prologue): Likewise.
2429 (ix86_emit_save_regs): Use Pmode instead of SImode.
2430 (legitimate_address_p): Check displacement for 64bit.
2431 (print_operand): Avoid outputting of (%rip) on 64bit.
2432 (print_operand_address): Output (%rip) where possible.
2433 (split_di): Abort on 64bit registers.
2434 (ix86_expand_branch): DImode comparison is simple for x86_64.
2435 (memory_address_length): Recognize memory addresses formed using
2437 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2439 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2441 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2443 * recog.c (push_operand): Recognize new format of push instructions.
2445 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2447 * i386.md (pushqi1): New.
2448 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2449 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2450 x86_64_immediate_operand, x86_64_immediate_operand,
2451 x86_64_zext_immediate_operand): Declare.
2452 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2453 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2454 x86_64_immediate_operand, x86_64_immediate_operand,
2455 x86_64_zext_immediate_operand): define.
2456 * i386.h (PREDICATE_CODES): Add new predicates.
2458 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2460 * i386.md (pophi1, popqi1, pushqi1): Remove.
2462 * expr.c (emit_single_push_insn): New function.
2463 (move_by_pieces): Accept NULL as destination for push instructions.
2464 (gen_push_operand): Kill.
2465 (emit_push_insn): Pass NULL when pushing; avoid updating of
2466 stack_pointer_delta.
2467 * expr.h (gen_push_operand): Kill.
2469 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2471 * rtl.texi (COMPARE): Clarify documentation and reference section
2474 2001-03-20 Stan Shebs <shebs@apple.com>
2476 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2477 (get_object_reference): Ditto.
2478 (error_with_ivar): Use error_with_file_and_line.
2479 (warn_with_method): Use warning_with_file_and_line.
2481 2001-03-20 Tom Tromey <tromey@redhat.com>
2483 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2485 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2487 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2488 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2490 2001-03-20 DJ Delorie <dj@redhat.com>
2492 * Makefile.in (install-libgcc): Pass complete list of variables.
2493 (install-multilib): Ditto.
2495 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2497 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2498 drectve_section, switch_to_section.
2500 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2501 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2502 i386_pe_mark_dllimport.
2504 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2506 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2507 functions i386_pe_*.
2509 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2510 i386_pe_* functions with char * arguments.
2512 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2514 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2516 (movsi_ie): Introduce fpul store.
2518 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2520 * Makefile.in (OBJS): Remove hashtab.o.
2522 2001-03-19 Stan Shebs <shebs@apple.com>
2524 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2525 * c-lang.c (maybe_objc_method_name): Ditto.
2526 * c-tree.h (maybe_objc_method_name): Remove decl.
2528 2001-03-19 Tom Tromey <tromey@redhat.com>
2530 * gcc.c (init_gcc_specs): Fix comment.
2532 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2534 Compute DECL_ASSEMBLER_NAME lazily.
2535 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2536 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2537 (SET_DECL_ASSEMBLER_NAME): Likewise.
2538 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2539 (set_decl_assembler_name): Declare.
2540 (lang_set_decl_assembler_name): Likewise.
2541 * tree.c (lang_set_decl_assembler_name): New variab.e
2542 (set_decl_assembler_name): New function.
2543 (init_obstacks): Set lang_set_decl_assembler_name.
2544 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2545 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2546 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2547 where it's not necessary.
2548 (builtin_function): Likewise.
2549 (finish_decl): Likewise.
2550 * dbxout.c (dbxout_type_methods): Likewise.
2551 * ggc-common.c (ggc_mark_trees): Likewise.
2552 * profile.c (output_func_start_profiler): Likewise.
2553 * varasm.c (make_decl_rtl): Likewise.
2555 * cse.c (find_comparison_args): Update documentation. Fix
2556 mishandling of COMPARE operations.
2558 * tree.def (ABS_EXPR): Add documentation.
2559 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2561 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2563 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2565 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2567 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2568 Remove ia32 linux PIC kludge and move it...
2569 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2571 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2573 * i386.md (absdf2 expander): Fix 64bit case.
2575 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2577 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2579 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2581 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2583 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2585 * README.X11: Remove obsolete file.
2587 2001-03-18 Anthony Green <green@redhat.com>
2589 * config/pj/pj.h: Remove some trailing commas.
2590 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2592 2001-03-18 Richard Henderson <rth@redhat.com>
2594 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2595 * calls.c: ... here.
2596 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2597 defaults for them here.
2599 2001-03-17 Anthony Green <green@redhat.com>
2601 * config/pj/lib1funcs.S: Fix broken comment.
2602 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2605 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2607 * gcc.texi: Remove obsolete information relating to build and
2608 installation problems with enquire or the Pyramid C compiler.
2610 2001-03-17 Richard Henderson <rth@redhat.com>
2612 * dwarf2out.c (queue_reg_save): New.
2613 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2614 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2616 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2617 (cfa, cfa_store, cfa_temp): Make static.
2618 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2620 2001-03-17 Richard Henderson <rth@redhat.com>
2622 * integrate.h (struct inline_remap): Add local_return_label.
2623 * integrate.c (expand_inline_function): Initialize it and emit
2624 it after copy_insn_notes.
2625 (copy_insn_list): Don't store local_return_label here.
2626 (copy_insn_notes): New function split out from copy_insn_list.
2628 2001-03-17 Richard Henderson <rth@redhat.com>
2630 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2631 is generating .debug_line.
2632 (dwarf2out_init): Add main_input_filename to the file table first.
2633 * configure.in (as_dwarf2_debug_line): Test with file number 1
2634 instead of file number 0.
2636 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2638 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2639 (gen_rtx_combine): Deleted; all references changed as appropriate.
2640 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2642 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2644 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2646 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2649 2001-03-16 Jim Wilson <wilson@redhat.com>
2651 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2652 then set it to LOC_REG (79) instead of aborting.
2654 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2656 * gccbug.in: Remove high priority.
2658 2001-03-16 Richard Henerson <rth@redhat.com>
2660 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2661 output with a space instead of deleting it.
2662 * configure: Regenerate.
2664 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2666 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2667 handles the gory details of converting an object file into
2668 something that's safe to grep.
2669 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2670 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2671 newlines at either end of the string we're looking for.
2672 Make 'checking ...' message less stilted.
2673 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2674 ARM in-memory layout and its hypothetical converse. Don't
2675 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2676 HOST_WORDS_BIG_ENDIAN.
2678 * configure.in: Adjust for renamed macro. Move
2679 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2680 * configure, config.in: Regenerate.
2682 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2684 * fixinc/Makefile.in: Set SHELL.
2686 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2688 * fixinc/fixincl.c (fix_with_system): Quote file names before
2689 passing them to shell.
2691 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2693 * Makefile.in: Use fix-header$(build_exeext) instead
2696 2001-03-16 Richard Henderson <rth@redhat.com>
2698 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2699 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2700 (size_of_line_prolog): Remove.
2701 (output_line_info): Compute prologue size via label difference.
2702 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2704 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2705 assembler error when redefining file numbers.
2706 * config.in, configure: Rebuild.
2708 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2709 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2710 (dw2_asm_output_delta_uleb128): Likewise.
2711 (dw2_asm_output_delta_sleb128): Similarly.
2712 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2714 2001-03-16 Michael Meissner <meissner@redhat.com>
2716 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2718 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2720 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2722 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2723 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2724 being unsigned in ISO C and signed in traditional.
2725 (expand_prologue): Ditto.
2726 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2728 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2730 (divsi3,divdi3): Ditto.
2731 (modsi3,moddi3): Ditto.
2732 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2733 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2734 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2737 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2739 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2740 SSE based conditional moves on LTGT/UNEQ conditions;
2741 Canonicalize EQ to NE.
2742 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2743 (sse_mov?fcc_ne): New.
2745 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2747 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2749 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2750 register may be dead.
2752 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2754 * Makefile.in (hash.o): Depend on CONFIG_H.
2756 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2758 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2760 2001-03-15 Richard Henderson <rth@redhat.com>
2762 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2763 (ASM_OUTPUT_DWARF_PCREL): New.
2764 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2766 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2768 * cppfiles.c (stack_include_file): Use MAX of sysp.
2770 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2772 * config.gcc (ia64*-*-hpux*): New case.
2773 * config/ia64/hpux.h: New file for HP-UX support.
2774 * config/ia64/t-hpux: New file for HP-UX support.
2776 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2778 * fixinc/inclhack.def (irix_stdio_va_list): New.
2779 * fixinc/fixincl.x: Rebuilt.
2781 2001-03-15 Richard Henderson <rth@redhat.com>
2783 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2784 if provided by the target.
2785 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2786 (dw2_asm_output_addr): New.
2787 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2788 * dwarf2out.c (output_cfi): Use it for program addresses.
2789 (output_call_frame_info, output_die): Likewise.
2790 (output_aranges, output_line_info): Likewise.
2792 2001-03-15 Bruce Korb <bkorb@gnu.org>
2794 * gcc.c(main): make more rigorous
2795 * collect2.c(main): guard against ignoring SIGCHLD
2796 * protoize.c(main): ditto
2797 * gcc/fixinc/fixincl.c(initialize): ditto
2799 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2801 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2802 (sdbout_parms): Likewise.
2804 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2806 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2807 "widen" a destination that is already wider than a word. Also do
2808 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2810 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2812 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2814 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2816 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2818 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2820 * i960.h (i960_maxbitalignment,
2821 i960_last_maxbitalignment): Declare.
2822 * i960.c (i960_maxbitalignment,
2823 i960_last_maxbitalignment): Make global.
2824 (process_pragma): Delete.
2825 (i960_pr_align, i960_pr_noalign): Move from here ...
2826 * i960-c.c: ... to this new file.
2827 * t-960bare (i960-c.o): New rule.
2828 * t-vxworks960 (i960-c.o): Likewise.
2829 * config.gcc (i960-*-*): Define c_target_objs and
2832 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2834 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2835 without adding in rtx code and mode.
2837 * alias.c (init_alias_analysis): Don't use any rtx whose value
2838 varies as a known value.
2839 Delete a superfluous test.
2841 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2843 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2844 scheduling a stop bit.
2845 (ia64_emit_nops): Correctly handle ASMs.
2847 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2849 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2851 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2853 * cpp.texi: Update documentation for -include and -imacros.
2854 * cppfiles.c (struct include_file): Remove "defined" memeber.
2855 (find_or_create_entry): Make a copy of the file name, and
2857 (open_file): Update to ensure we use the simplified filename.
2858 (stack_include_file): Don't set search_from.
2859 (cpp_included): Don't simplify the path name here.
2860 (find_include_file): New prototype. Call search_from to
2861 get the start of the "" include chain. Don't simplify the
2863 (_cpp_execute_include): New prototype. Move diagnostics to
2864 do_include_common. Update.
2865 (_cpp_pop_file_buffer): Don't set defined.
2866 (search_from): New prototype. Use the preprocessor's cwd
2867 for files included from the command line.
2868 (read_name_map): Don't simplify the pathname here.
2869 * cpphash.h (enum include_type): New.
2870 (struct buffer): Delete search from. New search_cached.
2871 (_cpp_execute_include): Update prototype.
2872 * cppinit.c (do_includes): Use _cpp_execute_include.
2873 * cpplib.c (do_include_common): New function.
2874 (do_include, do_include_next, do_import): Use it.
2876 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2878 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2879 contents of the RTL, to determine the name of the object.
2881 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2883 * tree.h (DECL_RTL): Allocate RTL lazily.
2884 (SET_DECL_RTL): New macro.
2885 (DECL_RTL_SET_P): Likewise.
2886 (COPY_DECL_RTL): Likewise.
2887 (DECL_RTL_IF_SET): Likewise.
2888 * varasm.c (make_decl_rtl): Add assertions about the kind of
2889 declaration we are processing.
2890 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2891 (start_decl): Likewise.
2892 (finish_decl): Likewise.
2893 * c-semantics.c (emit_local_var): Likewise.
2894 * calls.c (expand_call): Likewise.
2895 * dbxout.c (dbxout_symbol): Likewise.
2896 * emit-rtl.c (unshare_all_rtl): Likewise.
2897 (unshare_all_decls): Likewise.
2898 (reset_used_decls): Likewise.
2899 * expr.c (store_constructor): Likewise.
2900 (safe_from_p): Likewise.
2901 (expand_expr): Likewise.
2902 * function.c (put_var_into_stack): Likewise.
2903 (instantiate_decls_1): Likewise.
2904 (assign_parms): Likewise.
2905 (expand_function_start): Likewise.
2906 (expand_function_end): Likewise.
2907 * ggc-common.c (gcc_mark_trees): Likewise.
2908 * integrate.c (function_cannot_inline_p): Likewise.
2909 (copy_decl_for_inlining): Likewise.
2910 (expand_inline_function): Likewise.
2911 (integrate_parm_decls): Likewise.
2912 (integrate_decl_tree): Likewise.
2913 * print-tree.c (print_node): Likewise.
2914 * reg-stack.c (stack_result): Likewise.
2915 * stmt.c (label_rtx): Likewise.
2916 (expand_return): Likewise.
2917 (expand_decl): Likewise.
2918 (expand_decl_cleanup): Likewise.
2919 (expand_anon_union_decl): Likewise.
2920 * toplev.c (check_global_declarations): Likewise.
2921 (rest_of_decl_compilation): Likewise.
2922 * tree.c (simple_cst_equal): Likewise.
2923 * objc/objc-act.c (generate_static_references): Likewise.
2925 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2927 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2928 gcc_AC_C_FLOAT_FORMAT): New macros.
2929 * configure.in: Add AC_PROG_CPP after CC tests;
2930 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2931 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2932 * configure, config.in: Regenerate.
2934 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2935 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2936 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2937 config/i370/xm-linux.h, config/i370/xm-oe.h,
2938 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2939 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2940 config/pa/xm-linux.h, config/pa/xm-pa.h,
2941 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2942 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2943 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2944 config/we32k/xm-we32k.h: Delete.
2946 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2947 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2948 config/vax/xm-vms.h: Don't define any of:
2949 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2951 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2953 * config.gcc: Remove references to deleted files.
2954 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2955 FATAL_EXIT_CODE, which is the same between oe and mvs).
2957 2001-03-14 DJ Delorie <dj@redhat.com>
2958 Vladimir Makarov <vmakarov@redhat.com>
2960 * config/i960/i960.c (i960_function_prologue): Compute size of
2961 frame according to number of registers actually saved there.
2963 2001-03-14 Richard Henderson <rth@redhat.com>
2965 * expr.c (emit_move_insn_1): Fix else if around #endif.
2967 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2970 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2973 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2975 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2976 (override_options): Parse cmodel string.
2977 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2978 * i386.h (TARGET_OPTIONS): Add "cmodel".
2979 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2981 (ix86_cmodel_string, ix86_cmodel): Declare.
2983 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2986 * i386.h (GENERAL_REG_P): Add missing REG_P.
2988 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2990 * configure.in: Use $gcc_cv_as instead of $as.
2991 * configure: Regenerated.
2993 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2995 * cppfiles.c (stack_include_file): Only increase the include
2996 count if we actually process the file properly, as opposed
2997 to treating it as length zero. Only call read_include_file
2998 if not DO_NOT_REREAD. Handle the -H include file output
3000 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3001 (cpp_included, find_include_file): Simplify pathnames after
3002 remapping them. If remapping, don't use the remapped file
3003 name's buffer as our scratch buffer.
3004 (cpp_pop_file_buffer): Replace the multiple include macro
3005 only if it isn't yet set.
3006 (read_name_map): Simplify remapped names when reading in.
3007 (remap_filename): Move code to code path that uses it.
3008 (_cpp_simplify_pathname): Return the input pointer.
3009 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3011 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3013 * expr.c (expand_expr): Revove bogus conditional.
3015 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3017 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3019 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3021 * reg-stack.c (stack_result): Unconditionally use
3022 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3024 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3026 * expr.c (emit_move_insn_1): Split push of complex value when
3027 no suitable push instruction exist.
3029 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3030 instead of QI_REG_P.
3032 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3034 * alias.c (handled_component_p, can_address_p): New functions.
3035 (get_alias_set): Use them.
3037 2001-03-13 Jim Wilson <wilson@redhat.com>
3039 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3040 from 80 in try_locals code.
3041 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3043 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3045 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3046 gcc_AC_C_LONG_LONG): New.
3047 * configure.in: Use them. Probe the size of short, int, long,
3048 and long long/__int64 if we have them. Move all the AC_C_*
3049 checks together, except gcc_AC_C_CHAR_BIT which has to go
3050 after AC_CHECK_HEADERS(limits.h).
3051 Take hwint.h out of host_xm_file and build_xm_file.
3053 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3054 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3055 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3056 Move the HOST_WIDEST_INT setup logic here from system.h.
3057 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3059 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3060 is now handled by hwint.h.
3062 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3063 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3064 config/ia64/xm-ia64.h: Don't define any of:
3065 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3066 HOST_BITS_PER_LONGLONG.
3068 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3069 config/h8300/xm-h8300.h, config/mips/iris6.h,
3070 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3071 config/sparc/xm-sp64.h: Delete.
3072 * config.gcc: Remove references to deleted files.
3074 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3075 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3076 * config/i370/xm-linux.h: Clarify floating-point situation in
3079 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3081 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3082 (find_include_file): Decide here which part of the include
3083 chain to start the search. Complain about an empty include
3084 chain in all cases apart from an abolsute file name.
3085 (_cpp_execute_include): Don't choose the search chain here.
3086 Don't call handle_missing_include in the case of an empty
3088 (_cpp_compare_file_date): Don't choose the search chain here.
3089 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3090 here from _cpp_execute_include. Behave like #include if
3091 we're in the main file.
3093 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3095 * system.h (malloc, realloc, calloc, strdup): Only poison these
3096 tokens when IN_GCC is defined.
3098 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3100 * i386.md (abs?f expander): Support SSE case.
3101 (abd?f_if): Add new "USE"; add splitters.
3103 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3105 * cpp.texi (poison): Explain the macro expansion exception.
3107 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3109 * expr.c (store_expr): Add dont_store_target. If temp is already in
3110 target before copying to reg, don't store it into target again.
3112 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3114 * cppinternals.texi: Update for file handling.
3116 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3118 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3119 2001-02-24 which broke building the Java library.
3120 * function.c (identify_blocks): Likewise.
3121 (all_blocks): Likewise.
3122 * integrate.c (integrate_decl_tree): Likewise.
3123 * print-tree.c (print_node): Likewise.
3124 * tree.h (BLOCK_NUMBER): Likewise.
3125 (struct tree_block): Likewise.
3127 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3129 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3130 __WCHAR_TYPE__ definition.
3131 (WCHAR_TYPE_SIZE): #undef before #define.
3133 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3135 * cppfiles.c: Update comments.
3136 (destroy_include_file_node): Rename destroy_node.
3137 (find_or_create_entry): New function.
3138 (open_file, _cpp_fake_include): Use it.
3139 (handle_missing_header): New function, broken out of
3140 _cpp_execute include. Don't segfault if there is no
3141 system or quoted path.
3142 (_cpp_execute_include): Use handle_missing_header.
3144 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3146 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3147 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3149 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3151 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3152 unless anti_dependence says they are.
3153 * alias.c (objects_must_conflict): If neither has a type specified,
3156 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3157 David Billinghurst <David.Billinghurst@riotinto.com>
3159 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3161 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3163 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3164 (*_one_bit): Remove type on the match_operand in attributes.
3166 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3168 * i386.c: Commit forgotten hunk in previous patch.
3169 (regclass_map): Add extended registers.
3170 (dbx_register_map): Add missing frame register.
3172 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3174 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3176 * i386.md (x86_sahf_1): Disable for 64bit.
3177 (popsi*, pophi*): Likewise.
3178 (pushqi, pushhi): Likewise.
3179 (movdi, pushdi): Likewise.
3180 (zero extend DImode splitter): Likewise.
3181 (adddi, minusdi splitter): Likewise.
3182 (umulsidi): Likewise.
3184 (mulsidi): Disable for 64bit
3185 (lshift:DI/ashift:DI): Disable for 64bit.
3186 (loop patterns): Likewise.
3187 (call_pop, call_value_pop expanders and patterns): Likewise.
3188 (prologue_get_pc): Likewise.
3190 (fcmovDI pattern and splitter): Likewise.
3191 (movdfcc_1_rex64): New.
3193 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3195 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3196 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3197 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3198 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3199 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3200 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3201 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3202 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3203 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3204 (REGPARM_MAX): Set to 6 for x86_64.
3205 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3206 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3209 * (patterns that does use upper halves): Update constraints
3210 'q' to 'Q' and 'r' to 'R'.
3211 (cmpqi_ext_1): Disable for 64bit.
3212 (cmpqi_ext_3_insn): Likewise.
3213 (movqi_extzv_1): Likewsie.
3214 (addqi_ext_1): Liekwsie
3215 (testqi_ext_1): Liekwsie
3216 (andqi_ext_1): Liekwsie
3217 (xorqi_ext_1): Liekwsie
3218 (cmpqi_ext_1_rex64): New.
3219 (cmpqi_ext_3_insn_rex64): Likewise.
3220 (movqi_extzv_1_rex64): Likewsie.
3221 (addqi_ext_1_rex64): Liekwsie
3222 (testqi_ext_1_rex64): Liekwsie
3223 (andqi_ext_1_rex64): Liekwsie
3224 (xorqi_ext_1_rex64): Liekwsie
3226 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3228 * configure.in: Move check for unsigned enumerated bitfields
3229 to macro in aclocal.m4. Disable it for now.
3230 * configure, config.in: Regenerate.
3231 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3232 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3233 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3234 kind above its first use.
3236 * config/xm-interix.h, config/alpha/xm-alpha.h,
3237 config/i370/xm-linux.h, config/i386/xm-beos.h,
3238 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3239 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3240 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3241 Don't define ONLY_INT_FIELDS under any circumstances.
3243 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3245 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3246 config/sparc/xm-sysv4.h: Delete - now identical with some
3248 * config.gcc (hppa targets): Replace xm-pahpux.h and
3249 xm-papro.h with implicit xm-pa.h.
3250 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3253 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3255 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3256 before reload_cse_noop_set_p.
3258 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3260 * config.gcc: Where xm-host.h used to include another
3261 xm-host.h, list the nested header directly in xm_file. Remove
3262 references to deleted files. Can now use sparc/xm-sp64.h for
3265 * config/xm-linux.h, config/arm/xm-linux.h,
3266 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3267 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3268 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3269 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3270 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3273 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3274 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3275 bother to wrap #undef in #ifdef.
3276 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3277 Don't include xm-linux.h.
3278 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3280 * configure.in: Wrap regexps using [] in changequote block.
3281 Use expr : not echo | grep. Simplify regexps.
3282 * configure: Regenerate.
3284 56 xm-files remain, 22 xm-arch.
3286 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3288 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3289 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3290 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3291 (copy_object): Fix format specifier vs argument mismatch.
3293 * mips-tdump.c: Make local functions static.
3294 (rindex): Don't #undef.
3295 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3296 (fatal, fancy_abort): Delete.
3297 (read_seek): Avoid signed/unsigned compare.
3299 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3301 * combine.c (try_combine): Fix error in change to try original
3303 (gen_rtx_combine): Do same as gen_rtx for now.
3305 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3307 * configure.in: AC_SUBST xm_defines.
3308 * configure: Regenerate.
3309 * Makefile.in: Set DEFINES=$(xm_defines) when building
3312 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3314 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3315 (cpp_included, find_include_file): Update.
3316 (_cpp_compare_file_date): Make else unconditional.
3318 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3320 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3322 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3324 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3325 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3327 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3329 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3330 if it's a record type.
3332 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3334 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3335 mingw includes slightly.
3337 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3339 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3340 #undef token before poisoning it.
3342 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3344 * alpha.c (check_float_value): Use memcpy, not bcopy.
3346 * m32r.c (m32r_sched_reorder): Likewise.
3348 * vax.c (check_float_value): Likewise.
3350 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3352 * toplev.c (file_name_nondirectory): Remove.
3353 * toplev.h: Similarly.
3354 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3355 of file_name_nondirectory.
3357 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3359 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3360 * mips-tfile.c: Don't #undef rindex; not used.
3362 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3364 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3365 (dbx64_register_map): Declare.
3366 (RETURN_ADDR_RTX): Fix for 64bit.
3367 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3368 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3369 * i386.c (dbx64_register_map): New global array.
3370 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3371 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3374 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3376 * cppfiles.c (search_from): Use lbasename.
3377 * mkdeps.c (deps_add_default_target): Use lbasename.
3379 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3381 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3382 xcalloc in lieu of malloc, realloc & calloc.
3384 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3386 * gengenrtl.c (xmalloc): Likewise.
3388 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3389 really_call_* memory allocation routines.
3391 * stmt.c (check_for_full_enumeration_handling): Use
3392 really_call_calloc, not calloc.
3394 * system.h (really_call_malloc, really_call_calloc,
3395 really_call_realloc): Define.
3396 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3398 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3400 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3402 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3404 * configure: Rebuilt.
3405 * configure.in: Only use `lang_requires' for languages athat are
3408 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3410 * invoke.texi: Fix typo.
3411 * gcc.1: Regenerate.
3413 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3415 * configure.in: Prune nonexistent files from build_xm_file,
3416 xm_file, and host_xm_file lists. Warn unless they're
3418 Don't generate *config.h here.
3419 AC_SUBST all variables needed to generate *config.h.
3420 * configure: Regenerate.
3421 * mkconfig.sh: New helper script, from code removed from
3423 * Makefile.in: Zap all MALLOC variables - no longer used
3424 anywhere, and malloc.c doesn't exist.
3425 Substitute in variables needed to generate *config.h.
3426 Stop lying about the dependencies contained in CONFIG_H and
3428 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3429 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3430 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3431 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3432 $(TM_P_H), etc. as appropriate.
3434 * config.gcc: Zap references to deleted files.
3435 * ggc-none.c: Don't include rtl.h or tm_p.h.
3437 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3438 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3439 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3440 config/i386/xm-linux.h, config/i386/xm-linux.h,
3441 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3442 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3443 Don't include i386/xm-i386.h.
3445 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3446 config/i386/xm-i386.h, config/i860/xm-i860.h,
3447 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3448 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3449 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3450 Delete (empty except comments, #includes of other deleted
3451 files, and macros used nowhere).
3453 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3455 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3456 independent on TARGET_FLAGS.
3458 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3460 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3462 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3464 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3466 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3467 LAST_REX_SSE_REG): define.
3468 (enum reg_class): Add 'LEGACY_REGS'
3469 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3470 (SSE_REGNO_P): Recognize extended registers.
3471 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3472 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3473 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3474 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3475 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3476 REG_OK_FOR_STRREG_P): Remove.
3477 (HI_REGISTER_NAMES): Add extended registers.
3478 (ADDITIONAL_REGISTER_NAMES): Likewise.
3479 (QI_REGISTER_NAMES): Add 8bit extended registers.
3480 (DEBUG_REG): Support extended registers.
3481 * i386.c (regclass_map): Add extended registers.
3482 (dbx_register-map): Likewise.
3483 (svr4_dbx_register_map): Likewise.
3484 (print_reg): Support extended registers.
3485 (print_operand): Support 64bit operands.
3487 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3489 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3490 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3491 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3492 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3493 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3494 STACK_BOUNDARY): Set properly for 64bits.
3495 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3496 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3497 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3498 (MOVE_MAX): Set to 16.
3499 (MOVE_MAX_PIECES): 8 for 64bit.
3500 (Pmode): Set to SImode.
3502 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3504 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3506 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3508 * i386.h (mask_64bit): New constant.
3509 (target_64bit): New macro.
3510 (target_options): Add '64'/'32'
3511 (target_default): Define.
3512 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3513 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3514 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3516 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3518 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3520 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3522 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3523 LO_SUM unless for_alias is set.
3525 2001-03-08 Stan Shebs <shebs@apple.com>
3527 * objc/objc-act.c: Fix old typos in comments, add comments for
3529 (hash_init): Fix file name in error message.
3530 (hash_enter): Ditto.
3531 (hash_add_attr): Ditto.
3532 (continue_class): Ditto.
3534 2001-03-08 Bruce Korb <bkorb@gnu.org>
3536 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3537 wait4() can receive the signal.
3539 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3541 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3543 * fixinc/fixincl.x: Regenerate.
3545 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3547 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3549 * fixinc/fixincl.x: Regenerate.
3551 2001-03-08 Richard Henderson <rth@redhat.com>
3553 * configure.in (HAVE_AS_LEB128): New assembler check.
3554 * configure, config.in: Rebuilt.
3556 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3558 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3561 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3563 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3564 references to the MAXPATHLEN macro.
3566 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3567 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3570 * config/i386/xm-gnu.h, config/xm-gnu.h,
3571 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3572 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3573 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3574 and/or unused files.
3576 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3577 doing so in various xm-*.h files.
3579 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3581 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3583 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3585 * configure.in (enable_shared): Support per-package shared-library
3587 * configure: Rebuilt.
3589 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3591 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3592 for crnot. Set operands[5] in splitter.
3594 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3596 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3597 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3598 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3599 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3600 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3601 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3602 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3605 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3606 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3607 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3608 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3609 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3610 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3611 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3612 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3613 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3614 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3615 Delete unused and/or empty files.
3617 * config.gcc: Define USG in xm_defines as appropriate. Define
3618 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3619 macro. Remove deleted xm-* files from $xm_files variable.
3621 2001-03-07 Tom Tromey <tromey@redhat.com>
3623 * configure: Rebuilt.
3624 * configure.in: Allow config-lang.in to set `lang_requires' to list
3625 of other required languages.
3627 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3629 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3631 (output_prologue): Use xmalloc not oballoc.
3632 (output_epilog): Free a29k_first_epilogue_insn when finished.
3633 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3635 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3637 * builtins.c (expand_builtin_mathfn): Check
3638 flag_unsafe_math_optimizations, not flag_fast_math.
3639 (expand_builtin): Likewise
3640 * combine.c (combine_simplify_rtx): Likewise.
3641 (simplify_if_then_else): Likewise.
3642 * cse.c (fold_rtx): Likewise.
3643 * flags.h: Remove flag_fast_math. Add
3644 flag_unsafe_math_optimizations and flag_trapping_math.
3645 * fold-const.c (negate_expr): Check
3646 flag_unsafe_math_optimizations, not flag_fast_math.
3647 (invert_truthvalue): Likewise.
3648 (fold): Likewise. Before associating operands, check that
3649 code == MULT_EXPR, not code != MULT_EXPR.
3650 * ifcvt.c (noce_try_minmax): Check
3651 flag_unsafe_math_optimizations, not flag_fast_math.
3652 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3653 * invoke.texi: Document -funsafe-math-optimizations and
3654 -fno-trapping-math. Change documentation for -ffast-math.
3655 * jump.c (reversed_comparison_code_parts): Likewise.
3656 (rtx_equal_for_thread_p): Likewise.
3657 * optabs.c (emit_conditional_move): Likewise.
3658 * simplify-rtx.c (simplify_binary_operation): Likewise.
3659 (simplify_relational_operation): Likewise.
3660 (simplify_ternary_operation): Likewise.
3661 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3662 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3663 Add trapping-math and unsafe-math-optimizations entries to f_options.
3664 (set_fast_math_flags): New, sets flags for -ffast-math.
3665 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3666 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3667 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3669 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3670 (alpha_emit_conditional_move): Initialize local_fast_math to
3671 flag_unsafe_math_optimizations, not flat_fast_math.
3672 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3673 instead of setting flag_fast_math to 1.
3674 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3676 * config/i386/i386.c (override_options): Likewise
3677 * config/i386/i386.md: Likewise.
3678 * config/m68k/m68k.md: Likewise.
3679 * config/mips/mips.md: Likewise.
3680 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3681 (rs6000_generate_compare): Likewise.
3683 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3685 * Makefile.in: Set RANLIB to @RANLIB@.
3688 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3690 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3691 * fixinc/fixincl.x: Regenerated.
3693 2001-03-07 Richard Henderson <rth@redhat.com>
3695 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3697 2001-03-07 Richard Henderson <rth@redhat.com>
3699 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3700 of block notes and exception handling notes.
3702 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3703 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3704 (compile_file): ... here.
3706 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3708 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3710 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3711 config.h now. Include libiberty.h to handle alloca.
3713 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3715 * c-parse.in (yylexname): New function, split out of _yylex.
3716 (objc_rid_sans_at): New table.
3717 (init_reswords): Initialize it.
3718 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3719 retrieving the next token and checking it for significance as
3720 an ObjC keyword or string constant.
3722 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3723 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3725 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3728 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3730 * config/m68k/m68k.c (const_uint32_operand): Accept any
3731 const_int on a 32-bit host.
3733 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3735 * objc/objc-act.c (init_objc): Set save_lang_status,
3736 restore_lang_status, and mark_lang_status.
3738 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3740 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3742 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3744 * cppinternals.texi: Update.
3746 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3748 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3749 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3750 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3751 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3752 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3753 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3754 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3755 config/i386/xm-i386.h, config/i860/xm-i860.h,
3756 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3757 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3758 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3759 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3760 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3761 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3762 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3763 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3764 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3765 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3766 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3767 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3768 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3769 match the defaults provided in hwint.h.
3771 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3772 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3774 * config.gcc (xm_file): Don't set to files which are deleted.
3776 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3777 guard this file against these macros being undefined.
3779 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3781 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3782 and DECL_DEFER_OUTPUT on the decl we create, before calling
3783 rest_of_decl_compilation.
3785 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3787 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3789 * configure, config.in: Regenerate.
3790 * config.gcc: Remove references to deleted files.
3792 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3793 genrecog.c, rtl.c: Do not use alloca anywhere.
3795 * Makefile.in, build-make, system.h, config/x-interix,
3796 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3797 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3798 config/arc/xm-arc.h, config/arm/xm-arm.h,
3799 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3800 config/h8300/xm-h8300.h, config/i370/x-oe,
3801 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3802 config/i386/x-ncr3000, config/i386/x-sco5,
3803 config/i386/xm-dgux.h, config/i860/x-sysv4,
3804 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3805 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3806 config/m68k/x-hp320g, config/m69k/x-mot3300,
3807 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3808 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3809 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3810 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3811 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3812 config/mips/x-iris, config/mips/x-iris3,
3813 config/mips/x-sni-svr4, config/mips/x-sysv,
3814 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3815 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3816 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3817 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3818 config/pa/xm-papro.h, config/romp/xm-romp.h,
3819 config/rs6000/x-aix31, config/rs6000/x-aix41,
3820 config/rs6000/x-beos, config/rs6000/x-lynx,
3821 config/rs6000/x-mach, config/rs6000/x-rs6000,
3822 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3823 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3824 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3825 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3826 config/vax/xm-vms.h: Eradicate all references to alloca and
3829 * config/xm-alloca.h, config/clipper/x-clix,
3830 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3831 config/i860/x-sysv3, config/m88k/x-sysv3,
3832 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3833 (contained only alloca related hacks).
3835 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3838 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3840 * invoke.texi: Document __FAST_MATH__.
3842 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3844 * crtstuff.c: Restore include of auto-host.h.
3846 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3848 Put main() in a separate file, so that the language
3849 front-end can use a different main().
3852 * toplev.c: (main): Rename as toplev_main.
3853 * toplev.h: Declare toplev_main.
3854 * Makefile.in (OBJS): add toplev.o.
3855 (BACKEND): remove toplev.o, add main.o.
3857 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3859 * cppfiles.c (search_from): Special case the empty string.
3861 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3863 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3864 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3865 strlen or strcpy; we already know the length.
3866 (_cpp_compare_file_date): Similarly.
3867 * cpphash.h (struct cpp_reader): Delete done_initialising.
3868 (CPP_PREV_BUFFER): Delete.
3869 * cppinit.c (cpp_start_read): Don't set done_initialising.
3870 * cpplex.c (parse_string): Guarantee null-termination.
3871 (_cpp_equiv_toklists): Remove.
3872 * cpplib.c (glue_header_name): Null-terminate.
3873 (do_line): Don't leak memory.
3874 * cpplib.h (BT_WEAK): Delete.
3875 * cppmain.c (cb_ident): Strings are now null-terminated.
3877 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3879 * gcc.c (convert_filename): Append executable suffix
3880 if NO_AUTO_EXE_SUFFIX is not defined.
3881 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3882 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3884 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3886 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3887 * c-parse.gperf, c-gperf.h: Delete.
3888 (c-gperf.h was accidently re-added to the CVS repo in the rev
3889 1.16 commit by tromey)
3891 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3893 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3894 macro arguments when looking for the '('.
3895 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3896 2 when really parsing arguments; 1 when looking for '('.
3897 Always restore the lexer position.
3899 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3901 * longlong.h (umul_ppmm): Don't use a multiline string.
3903 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3905 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3906 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3907 t_bool in declaration because pcc can't combine volatile with typedef
3910 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3912 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3913 until when it is really needed.
3914 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3915 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3916 * i386.md (float?i?f splitter): Don't force source operand to memory
3918 (sse_movdfcc): Fix constraint.
3919 (sse_movdfcc splitter): Handle properly the second alternative.
3921 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3923 * cpplex.c (parse_string): Unconditionally pedwarn.
3925 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3928 * cppexp.c (parse_number): Update.
3929 * cpplex.c (parse_string): Pedwarn if multiline string does not
3930 result from a system header's macro.
3931 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3932 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3933 for function-like macros too.
3934 * c-lex.c (lex_number): Update.
3936 2001-03-03 Richard Henderson <rth@redhat.com>
3938 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3940 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3942 * combine.c (try_combine): If split with mode-changed scratch
3943 register didn't work, try the original mode.
3945 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3947 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3948 * config/c4x/c4x.h: Likewise.
3949 * stor-layout.c (compute_record_mode): Likewise.
3950 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3952 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3954 * configure.in: Kill tm.h. Include the files in the $tm_file
3955 list in all three of config.h, hconfig.h, tconfig.h, after the
3956 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3957 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3958 * configure: Regenerate.
3959 * Makefile.in (clean): Don't delete tm.h.
3961 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3962 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3963 those are not defined, set SEC and FEC to 0 and 1.
3964 * gcc.texi: Update to match.
3966 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3967 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3968 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3969 Include tconfig.h, not tm.h.
3971 * config/xm-lynx.h, config/xm-std32.h,
3972 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3973 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3974 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3975 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3976 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3977 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3978 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3979 config/i386/xm-i386.h, config/i860/xm-i860.h,
3980 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3981 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3982 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3983 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3984 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3985 config/pa/xm-linux.h, config/pa/xm-pa.h,
3986 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3987 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3988 config/pj/xm-pj.h, config/romp/xm-romp.h,
3989 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3990 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3991 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3992 config/v850/xm-v850.h, config/vax/xm-vax.h,
3993 config/we32k/xm-we32k.h:
3995 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3997 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3998 config/i370/xm-oe.h: Don't include tm.h. Don't define
4000 * config/vax/xm-vms.h: Don't include tm.h.
4002 * config/xm-lynx.h, config/avr/xm-avr.h,
4003 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4004 Delete; made empty by above changes.
4005 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4006 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4007 Don't include config/xm-lynx.h or tm.h.
4009 * config/xm-gnu.h: Don't include fcntl.h.
4010 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4012 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4014 2001-03-02 Richard Henderson <rth@redhat.com>
4016 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4017 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4019 2001-03-02 Richard Henderson <rth@redhat.com>
4021 * Makefile.in (OBJS): Add dwarf2asm.o.
4022 * dwarf2asm.c, dwarf2asm.h: New files.
4023 * dwarf2out.c (*): Use them.
4024 (size_of_uleb128, size_of_sleb128): Remove.
4025 (output_uleb128, output_sleb128): Remove.
4026 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4027 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4028 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4029 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4030 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4031 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4032 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4033 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4034 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4035 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4036 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4037 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4038 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4039 (dwarf2out_frame_debug): Remove unused variables.
4040 (output_loc_operands): Don't abort on 8 byte constants if
4041 host integers are wide enough.
4042 (output_symbolic_ref): Remove.
4043 (size_of_die): Don't assume 4 byte host integers.
4044 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4046 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4047 something stupid with HOST_WIDE_INT to long truncation.
4048 [CONST_DOUBLE]: Likewise.
4050 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4051 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4052 * config/arm/unknown-elf.h: Likewise.
4053 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4054 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4055 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4056 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4057 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4058 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4059 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4060 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4061 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4062 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4063 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4064 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4066 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4068 * cselib.c (hash_rtx): Cast enums to unsigned int.
4070 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4072 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4073 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4075 * c-format.c (C_STD_VER): Cast to int for comparisons.
4076 (check_function_format): Cast various enums to int for &.
4077 (maybe_read_dollar_number): Likewise.
4078 (check_format_info): Likewise.
4079 (check_format_info_main): Likewise.
4080 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4081 (safe_from_p): Likewise.
4082 * varasm.c (const_hash): Cast enum to int for %.
4083 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4084 pcc enum problems with < and ++ operators.
4085 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4086 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4087 (regclass_init): Change enum class to int to iterate over reg_classes.
4088 * genrecog.c (merge_trees): Cast enums for comparison.
4089 * rtl.h (GET_CODE): Cast to enum rtx_code.
4090 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4091 (GET_MODE): Cast to enum machine_mode.
4092 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4093 (GET_NOTE_INSN_NAME): Cast enum to int.
4094 * tree.h (TREE_CODE): Cast to enum tree_code.
4095 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4096 * timevar.c (timevar_print): Change loop variable id from enum to
4098 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4099 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4100 * toplev.c (compile_file): Cast enum DFI to int.
4101 (decode_d_option): Likewise.
4103 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4105 * cppinit.c (append_include_chain): Mark "after" include file name list
4106 as a system directory.
4107 * cpp.texi: Document new behavior.
4109 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4111 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4113 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4115 * cppfiles.c (struct include_file): Update.
4116 (stack_include_file): Use search_from.
4117 (cpp_included, find_include_file): Update.
4118 (cpp_execute_include): Update. ptr->name may not be
4119 null terminated. Use the new search_from member variable
4121 (_cpp_compare_file_date): Similarly.
4122 (search_from): New function, similiar to actual_directory.
4123 (actual_directory): Delete.
4124 (remap_filename): Update. loc->name may not be null terminated.
4125 (struct file_name_list): Rename search_path. Update.
4126 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4127 search_from and dir.
4128 (struct cpp_reader): Remove actual_dirs.
4129 * cppinit.c (struct cpp_pending): Update for renamed objects.
4130 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4131 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4132 * cpplib.h (struct cpp_options): Similarly.
4134 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4136 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4137 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4138 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4139 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4140 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4141 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4142 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4143 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4144 config/i370/xm-oe.h, config/i386/xm-aix.h,
4145 config/i386/xm-i386.h, config/i386/xm-osf.h,
4146 config/i860/xm-i860.h, config/i960/xm-i960.h,
4147 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4148 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4149 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4150 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4151 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4152 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4153 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4154 config/pj/xm-pj.h, config/romp/xm-romp.h,
4155 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4156 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4157 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4158 config/v850/xm-v850.h, config/vax/xm-vax.h,
4159 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4160 Do not define TRUE or FALSE.
4162 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4163 empty by above change.
4164 * config.gcc: Remove references to these files.
4166 * configure.in: Detect stdbool.h.
4167 * configure, config.in: Regenerate.
4168 * system.h: Include stddef.h here if available.
4169 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4170 Then set up a sensible boolean type at the very end.
4172 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4173 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4175 * hash.h: Delete 'boolean' typedef and related #undefs.
4177 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4178 all uses of 'boolean' with 'bool'.
4180 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4182 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4183 * cppexp.c (lex): Cast enums for comparison.
4184 * cppinit.c (parse_option): Cast enum for comparison.
4185 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4186 (cpp_output_token): Likewise.
4187 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4188 (cpp_avoid_paste): Cast enums for minus and comparison.
4190 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4192 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4193 field to all array elements.
4195 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4197 * cpphash.h (struct cpp_reader): Add print_version field.
4198 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4199 just set print_version and other flags as appropriate.
4200 (cpp_post_options): Print version here if print_version is set.
4202 * toplev.c (exit_after_options): New flag.
4203 (independent_decode_option): Don't exit here; just set
4205 (main): Exit after calling lang_hooks.post_options if
4206 exit_after_options is true.
4208 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4209 (merge_include_chains): Adjust comment to match code.
4211 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4213 * stringpool.c (set_identifier): New function.
4214 * tree.h: Prototype it.
4216 * c-parse.in: Kill D_YES. If compiled for objc, call
4217 save_and_forget_protocol_qualifiers from init_reswords.
4218 * objc/objc-act.c (remember_protocol_qualifiers,
4219 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4220 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4222 (save_and_forget_protocol_qualifiers): New function.
4223 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4225 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4227 * c-semantics.c (prune_unused_decls): Return error_mark_node
4228 instead of (tree) 1 to stop traversing the tree chain.
4230 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4232 Fix a problem introduced by Kenner's Feb 18 change.
4233 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4234 flag_cse_skip_blocks only temporarily, not for ever.
4236 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4238 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4239 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4241 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4242 before determining its register class.
4244 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4246 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4247 from reg 4 if current_function_calls_setjmp.
4248 (gen_nop_type): New function.
4249 (ia64_emit_nops): New function.
4250 (ia64_reorg): Call it.
4251 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4253 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4254 code not to try to optimize adds with anything but a REG destination.
4256 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4257 (INSN_PRIORITY_KNOWN): New accessor macro.
4258 * haifa-sched.c (priority): Use it instead of testing priority against
4261 2001-02-28 DJ Delorie <dj@redhat.com>
4263 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4264 since that doesn't work the way gcc wants on a generic m68k.
4266 2001-02-28 Richard Henderson <rth@redhat.com>
4268 * caller-save.c (save_call_clobbered_regs): Fix typo in
4269 comparison last change.
4271 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4273 * i386.c (pentium4_cost): New.
4274 (m_PENT4): New macro.
4275 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4276 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4277 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4278 x86_memory_mismatch_stall): Add Pentium4
4279 (x86_use_q_reg, x86_use_any_reg): Kill.
4280 (override_options): Add pentium4.
4281 (incdec_operand): Return 0 for pentium4.
4282 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4283 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4284 (TARGET_PENTIUM4): Define.
4285 (enum processor_type): Add PROCESSOR_PENTIUM4.
4286 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4287 * i386.md (attribute "cpu"): Add pentium4.
4288 * invoke.texi (march): Add pentium4.
4290 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4292 * i386.md (sse_mov?fcc*): New patterns and splitters.
4293 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4294 the SSE based conditional moves.
4296 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4298 * i386.md (attribute mode): Add "TI".
4299 (movsf_1): Add pxor support; remove constant propagation splitter.
4300 (movdf_integer): Likewise.
4301 (movdf_nointeger): Likewise.
4302 (movxf constant prop splitter): Handle all modes; update for SSE.
4303 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4304 * i386.c (standard_80387_constant_p): Rewrite.
4305 (standard_sse_constant_p): New.
4306 * i386-protos.h (standard_sse_constant_p): New.
4308 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4310 * i386.md (sse_setccsf, sse_setccdf): New.
4311 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4313 * i386.c (sse_comparison_operator): Accept the supported unordered
4314 comparses; be ready for fast_math.
4315 (print_operand): Support 'D'.
4317 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4319 * jump.c (reversed_comparison_code): Kill.
4321 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4323 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4326 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4328 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4329 add missing '%' in constraints.
4331 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4333 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4334 for HOST_BITS_PER_WIDE_INT == 32 too.
4336 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4338 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4340 (insert_save, insert_restore): New parameter save_mode.
4341 (init_caller_save): Update initialization of reg_save_code
4342 and reg_restore_code.
4343 (save_call_clobbered_regs): Compute save_modes and update calls to
4344 reg_save_code and reg_restore_code.
4345 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4346 of spill; update use of reg_restore_code.
4347 (insert_save): Likewise.
4348 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4349 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4350 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4352 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4354 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4355 noce_try_store_flag_inc, noce_try_store_flag_mask,
4356 noce_try_cmove_arith):
4357 Use reversed_comparison_code instead of reverse_comparison and
4358 can_reverse_comparison_p.
4360 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4362 * jump.c (reversed_comparison_code_parts): Allow reversal of
4363 unordered compares in -ffast-math mode; reverse ordered compares
4364 for FP even w/o -ffast-math.
4366 2001-02-27 Richard Henderson <rth@redhat.com>
4368 * print-rtl.c (print_rtx) [i]: Don't print field five on
4369 NOTEs other than NOTE_INSN_DELETED_LABEL.
4371 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4373 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4374 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4376 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4378 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4379 even if walk_subtrees is 0.
4380 * c-semantics.c (prune_unused_decls): Return a non-null value to
4381 stop traversing the tree chain.
4383 2001-02-27 DJ Delorie <dj@redhat.com>
4385 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4386 register, *then* define it as the new CFA.
4388 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4390 * pa.c (override_options): Promote -fpic to -fPIC.
4391 (legitimize_pic_address): Simplify due to removal of
4392 small PIC as a code generation option.
4393 (secondary_reload_class): Similarly.
4394 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4395 (PRINT_OPERAND_ADDRESS): Similarly.
4396 * pa.md (various patterns): Similarly.
4397 (small pic lo_sum pattern): Remove.
4399 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4402 * md.texi (min, max): Document
4404 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4406 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4407 TARGET_PARTIAL_REG_DEPENDENCY.
4408 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4410 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4412 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4414 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4416 * mips.c (mips_make_temp_file): Fix thinko in last change.
4418 2001-02-26 Jason Eckhardt <jle@redhat.com>
4420 * combine.c (known_cond): Do not reverse the condition when
4421 SMAX/UMAX is being considered and the condition is for equality
4424 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4426 2001-02-26 Philip Blundell <philb@gnu.org>
4428 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4430 * config/arm/linux-elf.h: Remove historical relics related to
4431 above configurations.
4432 * config/arm/linux-oldld.h: Delete.
4433 * config/arm/linux-elf26.h: Delete.
4435 2001-02-26 Jason Merrill <jason@redhat.com>
4437 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4439 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4440 recognize a tentative definition. Lose obsolete code.
4442 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4443 variables unless necessary, either.
4445 2001-02-25 Richard Henderson <rth@redhat.com>
4447 * ifcvt.c (struct noce_if_info): Add test_bb.
4448 (noce_get_alt_condition): New.
4449 (noce_try_minmax, noce_try_abs): New.
4450 (noce_operand_ok): New.
4451 (noce_process_if_block): Use them.
4452 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4454 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4456 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4459 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4461 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4462 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4464 (mips_asm_file_end): Free temp_filename here.
4466 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4468 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4469 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4471 * config/i386/i386.md (movstrsi): Handle FAIL case.
4473 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4475 * cppinit.c (builtin_array): Update.
4476 (init_builtins): Flag builtins to warn if redefined or
4477 undefined. Define __GXX_WEAK as a normal macro.
4478 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4479 * cpplib.h (NODE_WARN): New flag.
4480 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4481 Handle __STDC__ as a builtin only on Solaris.
4482 (warn_of_redefinition): Renamed from check_macro_definition.
4483 Reverse sense of test. Always warn if NODE_WARN.
4484 (_cpp_create_definition): Use warn_of_redefinition. Flag
4485 any macro beginning with "__STDC_" to require a mandatory
4486 warning if redefined or undefined.
4488 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4490 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4491 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4492 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4493 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4494 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4495 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4496 Don't define any of:
4497 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4498 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4499 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4500 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4501 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4503 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4504 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4507 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4508 Delete now-empty file.
4510 * alpha/vms.h: Define NEED_ATEXIT here...
4511 * alpha/xm-vms.h: ...not here.
4513 * i386/cygwin.h: Don't define PARAMS.
4514 * mips/mips.c: Don't prototype mktemp. Don't define
4515 P_tmpdir. Use make_temp_file to create temporary files.
4516 Don't be clever and delete temporary files early.
4517 * config.gcc: Drop references to deleted files. Don't define
4519 * gcc.texi: Don't mention USE_PROTOTYPES.
4521 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4523 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4524 (ix86_set_move_mem_attrs_1): Likewise.
4525 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4526 * config/i386/i386.md (movstrsi): Call it.
4528 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4530 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4531 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4532 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4533 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4535 (i750a-*-*): Error here if hosting on i750a.
4536 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4538 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4539 Remove (empty modulo comments).
4541 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4542 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4543 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4544 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4545 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4546 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4548 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4549 Remove reference to winnt.h in comment.
4550 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4552 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4554 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4555 used to set another biv.
4557 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4559 * tree.h (BLOCK_DEAD): New macro.
4560 (struct tree_block): New flag, dead_flag.
4561 * print-tree.c (print_node, case 'b'): Print missing fields.
4562 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4563 * function.c (identify_blocks): Enable test for misplaced notes.
4564 (all_blocks): Skip BLOCK_DEAD blocks.
4565 * integrate.c (integrate_decl_tree): Likewise.
4567 * errors.c (internal_error, trim_filename): New functions.
4568 (fancy_abort): Call internal_error.
4569 * errors.h (internal_error, trim_filename): New declarations.
4571 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4573 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4575 (EXTRA_CONSTRAINT): Formatting changes.
4577 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4579 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4581 2001-02-23 Per Bothner <per@bothner.com>
4583 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4584 so they can be called from java/jvspec.c.
4585 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4587 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4589 * i386.c (ix86_frame): New structure.
4590 (ix86_compute_frame_size): Kill.
4591 (ix86_compute_frame_layout): New.
4592 (ix86_save_reg): New.
4593 (ix86_can_use_return_insn_p): Use frame layout stuff.
4594 (ix86_expand_prologue): Likewise.
4595 (ix86_expand_epilogue): Likewise.
4596 (ix86_initial_elimination_offset): Likewise.
4597 (ix86_nsaved_regs): Use ix86_save_reg.
4598 (ix86_emit_save_regs): Likewise.
4600 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4602 * flow.c (find_sub_basic_blocks): New function.
4603 (split_block): Be ready for basic block introduced by CODE_LABEL.
4604 (commit_one_edge_insertion): Call find_sub_basic_block.
4606 * flow.c (make_edges): Add edge from entry for blocks starting with
4607 label having ALTERNATE_NAME
4609 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4611 * function.c (epilogue_done): Be ready for first basic block not
4612 containing PROLOGUE_END note.
4613 (reposition_prologue_and_epilogue_notes): Avoid placing
4614 PROLOGUE_END note between BASIC_BLOCK.
4616 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4618 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4620 2001-02-21 DJ Delorie <dj@redhat.com>
4622 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4623 check for current_function_has_nonlocal_goto from 1999-11-12.
4625 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4627 * diagnostic.c (trim_filename): No longer static.
4628 * toplev.h (trim_filename): Declare.
4629 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4630 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4631 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4632 (rtvec_check_failed_bounds): Likewise.
4633 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4635 * convert.c (convert_to_integer): Don't do unsigned unless result or
4636 both inputs are unsigned.
4638 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4641 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4643 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4645 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4647 * Makefile.in (resource.o): Add params.h dependence.
4648 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4649 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4650 * resource.c: Add dependence on params.h.
4651 (current_live_regs): Fix explanatory comment.
4652 (find_basic_block): Add new parameter to permit limiting search
4654 (mark_target_live_regs): Add new argument to find_basic_block call.
4655 (incr_ticks_for_insn): Likewise.
4657 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4659 * diagnostic.c (output_to_stream): Rename to
4660 output_buffer_to_stream. Loses the stream parameter.
4661 (init_output_buffer): Set diagnosic_buffer's stream.
4662 (flush_diagnostic_buffer): Adjust.
4663 (default_print_error_function): Likewise.
4664 (finish_diagnostic): Likewise.
4665 (verbatim): Likewise.
4667 * diagnostic.h (struct output_buffer): Add `stream' field.
4668 (output_buffer_attached_stream): New macro.
4670 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4672 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4673 check if either operand is divisible by C.
4674 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4675 If type is signed, consider negative numbers as well.
4677 2001-02-22 Richard Henderson <rth@redhat.com>
4679 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4680 reach .text instead of gp-relative relocs.
4681 * config/ia64/crtend.asm (.init): Likewise.
4683 2001-02-22 Andreas Jaeger <aj@suse.de>
4685 * extend.texi (C++ Attributes): Fix typo.
4687 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4689 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4690 functions, drop current_function_args_info.words test.
4691 (ia64_compute_frame_size): Mark syscall_linkage functions as
4692 using eight input registers.
4694 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4695 Bruce Korb <bkorb@gnu.org>
4697 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4698 * fixinc/README: Document how to convert sed substitutions
4699 to format style c_fix-es.
4700 * fixinc/fixincl.x: regen
4702 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4704 * gcc.c: Add comment explaining how to add a command-line option.
4705 Add title to specs language comment.
4707 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4709 * gcc.c (cc1_options): Add "-param".
4710 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4711 (option_map): Likewise.
4712 * toplev.c (display_help): Add entry for "--param".
4713 (independent_decode_option): Fix typographical error.
4715 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4716 Bernd Schmidt <bernds@redhat.com>
4717 Jan Hubicka <jh@suse.cz>
4719 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4720 (function_arg): Likewise.
4722 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4724 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4726 2001-02-21 Kazu Hirata <kazu@hxi.com>
4728 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4732 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4734 * flow.c (init_propagate_block_info): Canon address and use single_set
4735 for killing dead memory stores.
4737 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4739 * Makefile.in (reorg.o): Add params.h dependence.
4740 * params.def: Fix typographical error in comment.
4741 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4742 * params.h: Modify introductory comment.
4743 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4744 * reorg.c: Add dependence on params.h.
4745 (redundant_insn): Add parameterized throttle for search.
4746 (fill_simple_delay_slots): Add a comment explaining a variable.
4747 Move conditional out of loop, simplifying code.
4748 (fill_eager_delay_slots): Fix typographical error in comment.
4750 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4752 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4754 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4755 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4757 2001-02-21 Jason Merrill <jason@redhat.com>
4759 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4760 (struct tree_decl): Add uninlinable bitfield.
4761 * c-decl.c (duplicate_decls): Set it.
4762 * integrate.c (function_cannot_inline_p): Check it.
4764 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4765 DW_AT_MIPS_linkage_name to abstract methods.
4766 (dwarf2out_abstract_function): Emit class context before calling
4767 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4768 (gen_subprogram_die): Remove obsolete code.
4769 (gen_member_die): Don't include clones in the member list.
4770 (gen_decl_die): Emit abstract info for clone origin.
4771 * dwarfout.c (output_type): Don't include clones in the member list.
4772 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4773 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4774 DECL_ABSTRACT on a function that already has it set.
4776 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4777 (get_subprogram_die): Pass it in.
4779 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4781 * flow.c (mark_set_1): Make not_dead unsigned long. For
4782 non-pseudos, use it as a bitmask of the hard regs that
4785 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4787 * cppfiles.c: Update comments.
4788 (_cpp_read_file): Don't check for NULL filenames any more.
4789 * cppinit.c (cpp_start_read): Don't do canonicalization of
4790 in_fname and out_fname. Use the passed file name exclusively.
4791 (_cpp_handle_options): Don't treat "-" as a command line option,
4792 but as a normal filename.
4793 (_cpp_post_options): Canonicalize in_fname and out_fname.
4794 * cppmain.c (printer_init): Don't check out_fname for NULL.
4795 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4796 (init_c_lex): Update, and use "" to represent stdin to CPP.
4799 2001-02-20 Will Cohen <wcohen@redhat.com>
4801 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4802 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4803 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4806 2001-02-20 Stan Shebs <shebs@apple.com>
4808 * config/rs6000/rs6000.c (output_cbranch): Output branches
4809 on separate lines instead of using ';' to separate.
4811 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4813 * cppinit.c (set_lang): Move builtin handling to...
4814 (init_builtins): ...here.
4815 (_cpp_create_reader): Move call to set_lang.
4817 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4819 * stmt.c (expand_return): If an attempt is made to return the
4820 error_mar_node, treat the return like a return without a value.
4822 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4824 * sibcall.c (skip_copy_to_return_value): Call
4825 identify_call_return_value here, and return orig_insn if it
4826 returns zero. Hardret and softret arguments now unnecessary.
4827 (call_ends_block_p): Don't call identify_call_return_value here.
4829 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4831 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4832 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4834 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4836 * pa.c (move_operand): Accept code to load the address of a
4837 symbol out of the DLT as a valid move operand.
4838 (print_operand, case 'A'): New to handle generating a DLT
4839 reference for a LO_SUM expression.
4840 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4841 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4843 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4845 * README, cpp.texi, gcc.texi, version.c: Update version number to
4847 * cpp.1, gcov.1, gcc.1: Regenerate.
4849 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4851 * cppfiles.c (stack_include_file): Generate dependencies
4852 here, and manage include_count here too.
4853 (PRINT_THIS_DEP): Delete.
4854 (_cpp_execute_include): Do not generate dependencies here,
4855 apart from the case of a missing header. Do not manage
4857 (_cpp_read_file): Leave dependency generation to
4860 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4862 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4863 target_cpu_default. Remove dead assignment to
4866 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4868 * regclass.c (contains_reg_of_mode): Make global.
4869 (init_reg_sets): Remove contains_reg_of_mode; take into account
4870 CLASS_MAX_NREGS when looking for the proper mode.
4871 (dump_regclass): Dump only classes considered for the pseudo.
4872 (regclass): Use contains_reg_of_mode.
4874 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4876 * gcc.c (do_spec_1): 'n' for printing notices.
4877 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4879 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4881 * reg-stack.c (next_flags_user): Use current_block->end
4882 (swap_rtx_condition): Look for next user if flags don't die;
4883 give up on CALL_INSNs; use current_block->end.
4885 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4887 * sibcall.c (call_ends_block_p): New function.
4888 (optimize_sibling_and_tail_recursive_call): Use it.
4890 2001-02-18 Kazu Hirata <kazu@hxi.com>
4892 * config/h8300/h8300.md: Update copyright.
4893 (andsi3): Do not output an extra newline character.
4895 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4897 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4898 FNDECL may be unused.
4900 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4901 follow jumps after first run.
4902 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4903 it doesn't change any jumps.
4905 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4907 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4908 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4909 (mostlyclean): Corresponding changes.
4910 * rtlanal.c (hard-reg-set.h): Include.
4911 (rtx_unstable_p): Do not treat the argument pointer specially
4912 if it is not a fixed register.
4913 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4915 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4917 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4918 against last real insn in basic block.
4919 Rework to avoid gotos.
4921 * Makefile.in (gcse.o): Now includes ggc.h.
4922 * gcse.c: Include ggc.h.
4923 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4924 (try_replace_reg): Remove warning of uninitialize variable.
4925 (process_insert_insn): Call invalid_insn_p to validate insn.
4926 * recog.c (insn_invalid_p): Now global.
4927 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4928 * recog.h (insn_invalid_p): New declaration.
4930 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4932 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4933 assignments from FP constants since 'Y' output code can't handle it.
4934 (eligible_for_sibcall_delay): Likewise.
4936 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4937 Call fancy_abort directly, passing args.
4938 (print_rtl_and_abort): Now a macro, like fancy_abort.
4940 * final.c (output_operand_lossage): Use internal_error, not error.
4942 2001-02-18 Shane Nay <shane@agendacomputing.com>
4944 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4945 structure shift insns.
4947 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4949 * invoke.texi (-fsquangle): Remove documentation.
4950 (-fname-mangling-version): Likewise.
4952 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4954 * optabs.c (expand_abs): Remove reference to
4955 HAVE_contitional_arithmetic.
4956 * combine.c (simplify_set): Likewise.
4958 2001-02-18 Richard Henderson <rth@redhat.com>
4960 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4963 2001-02-18 Richard Henderson <rth@redhat.com>
4965 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4967 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4969 * reload1.c (reload_cse_simplify_set): Fix typo.
4971 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4973 * diagnostic.c (_fatal_insn): Decrement errorcount.
4975 * invoke.texi (-I): Add note avoiding use for system header files.
4977 * rtl.h (add_clobbers): Remove duplicate declaration.
4978 * recog.h (added_clobbers_hard_reg_p): New declaration.
4979 * genemit.c (struct clobber_pat): New field has_hard_reg.
4980 (gen_insn): Record if added clobbers clobber hard reg.
4981 (gen_split): Avoid unused warning if number of operands is 0.
4982 (output_added_clobbers_hard_reg_p): New function.
4985 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4987 * pa.c (hppa_expand_prologue): Simplify code storing return
4988 pointer. For large (>=8k) frames with a post_store, adjust stack
4989 pointer by 8k-64 first rather than by 64. When testing with
4990 VAL_14_BITS_P, always use the actual value rather than the value
4991 negated. Add blockage to prevent scheduling of spills before
4992 stack frame has been created.
4993 (hppa_expand_epilogue): Simplify code loading return pointer.
4994 Allow a slightly larger range for merge_sp_adjust_with_load case.
4995 When testing with VAL_14_BITS_P, always use the actual value.
4997 * pa.c (pa_adjust_insn_length): Check that block move
4998 pattern is a set before looking at operands.
5000 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5002 * fold-const.c (fold_binary_op_with_conditional_arg): New
5003 function, split out from ...
5005 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5006 conditional arms that throw exceptions.
5008 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5011 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5013 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5014 define HAVE_DECL_* to 1 to mask potential backup declarations.
5015 * configure: Regenerated.
5017 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5019 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5021 2001-02-17 Richard Henderson <rth@redhat.com>
5023 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5024 when replacing a memory load with a register.
5026 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5027 Jan Hubicka <jh@suse.cz>
5029 * recog.c (validate_replace_src_1): New.
5030 (validate_replace_src_data): Likewise.
5031 (validate_replace_src): Use note_uses.
5032 * rtl.h (note_uses): Declare.
5033 * rtlanal.c (note_uses): New.
5035 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5037 * reg-stack.c (stack_def): Make field reg unsigned.
5038 (remove_regno_note): Unsignetize parameter.
5040 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5042 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5043 shladd_operand() call.
5045 2001-02-16 Bruce Korb <bkorb@gnu.org>
5046 Rodney Brown <RodneyBrown@mynd.com>
5048 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5049 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5050 machine restrictions
5051 * fixinc/fixincl.x: regen
5053 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5055 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5057 (hash_scan_insn): Clean up calls to hash_scan_set.
5058 (compute_kill_rd): REGNO now unsigned.
5059 (try_replace_reg): Rework to use simplify_replace_rtx.
5060 (cprop_jump, cprop_cc0_jump): Likewise.
5061 (cprop_insn): Call find_reg_equal_equiv_note.
5062 Reflect changes to cprop_jump and cprop_cc0_jump.
5064 * recog.c (validate_replace_src): Replace in operands of
5065 ZERO_EXTRACT in SET_DEST.
5067 * cse.c (new_label_ref): New variable.
5068 (insert): Set it instead of recorded_label_ref.
5069 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5070 CODE_LABEL for this function, and not already in REG_LABEL note.
5072 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5074 * resource.c (mark_referenced_resources): Fix typo in introductory
5076 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5079 2001-02-16 Jason Merrill <jason@redhat.com>
5081 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5083 (gen_subprogram_die): Don't abort on seeing a second definition if
5084 the previous one was abstract. Don't replace an abstract instance
5085 in the lookup table.
5087 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5088 gen_abstract_function.
5089 * dwarf2out.h: Declare it.
5090 * toplev.c (note_outlining_of_inline_function): New fn.
5091 * toplev.h: Declare it.
5092 * integrate.c (output_inline_function): Call it.
5093 * c-decl.c (duplicate_decls): Call it when redefining an extern
5094 inline. Don't inline the new defn.
5096 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5098 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5100 * .gdbinit: Rename to gdbinit.in.
5101 * gdbinit.in: New file,
5102 * configure.in: Generate .gdbinit from gdbinit.in.
5103 * configure: Regenerated.
5104 * Makefile.in (distclean): Always remove .gdbinit.
5106 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5108 * objc/objc-act.c (start_class): Register implemented_classes with
5111 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5113 * cppfiles.c (_cpp_make_system_header): Generate a file
5116 2001-02-15 Jim Meyering <meyering@lucent.com>
5118 * Makefile.in (install-common): Don't depend on installdirs here.
5119 Instead, make each of the lang.install-common targets (e.g.,
5120 c++.install-common in cp/Make-lang.in) depend on it.
5121 (install-driver): Depend on installdirs.
5123 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5125 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5127 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5130 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5132 * invoke.texi (--param): Document.
5134 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5136 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5138 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5140 * i386.md (extendsfdf2_2): Fix constraints.
5142 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5144 * i386.md (fop_df_3 splitter): Fix operand number.
5146 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5148 * invoke.texi (-mreg-alloc): Nuke.
5149 * i386.c (ix86_reg_alloc_order, regs_allocated,
5150 order_regs_for_local_alloc): Nuke.
5151 (override_options): Kill reg_alloc code.
5152 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5153 (REG_ALLOC_ORDER): SSE goes before I387.
5154 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5155 (ix86_reg_alloc_order): Likewise.
5156 * i386-protos.h (ix86_reg_alloc_order): Kill.
5158 2001-02-14 Richard Henderson <rth@redhat.com>
5160 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5162 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5164 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5166 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5168 * i386-protos.h (ix86_memory_move_cost): Move offline.
5169 * i386.c (ix86_register_move_cost): Compute properly cost of
5170 SSE, MMX and i387 instructions.
5171 (*_cost): Add costs of SSE/MMX moves.
5172 (ix86_memory_move_cost): Move offline from ....; Likewise.
5173 * i386.h (MEMORY_MOVE_COST): .... here;
5174 (struct processor costs): Add new fields to represent costs
5177 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5179 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5180 move_cost together with Matt Kraai's fix.
5182 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5184 * Makefile.in (OBJS): Add params.o.
5186 2001-02-14 Richard Henderson <rth@redhat.com>
5187 DJ Delorie <dj@redhat.com>
5189 * jump.c (jump_optimize_1): When we delete a conditional jump
5190 preceeding a non-conditional jump to effectively the same place,
5191 make sure that the combined jump skips any clobber insns between
5194 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5196 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5198 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5200 * Makefile.in (toplev.o): Depend on params.h.
5201 (intergate.o): Likewise.
5202 (params.o): New target.
5203 * flags.h (inline_max_insns): Remove.
5204 * integrate.c: Include params.h.
5205 Use MAX_INLINE_INSNS instead of inline_max_insns.
5206 * params.c: New file.
5207 * params.h: Likewise.
5208 * params.def: Likewise.
5209 * toplev.c: Include params.h.
5210 (lang_independent_params): New variable.
5211 (decode_f_option): Use the param machinery instead of setting
5213 (independent_decode_option): Handle "--param name=value".
5214 (main): Register language-independent parameters.
5216 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5218 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5220 2001-02-14 Richard Henderson <rth@redhat.com>
5222 * regclass.c (init_reg_sets_1): Revert last two changes.
5224 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5226 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5227 (variable_size): Call put_pending_size.
5228 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5229 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5230 sizes list, put newly created SAVE_EXPR there as well.
5232 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5234 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5235 (errata_find_address_regs): load_group has only 2 entries.
5236 (errata_emit_nops): Likewise. shladd is not problematic.
5237 Clear last_group if nop was emitted.
5238 (fixup_errata): load_group has only 2 entries.
5241 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5243 * c-lex.c (lex_number): Only warn traditionally for U suffix
5244 outside system macros.
5245 * cppexp.c (parse_number): Similarly.
5246 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5247 * cppmacro.c (struct cpp_macro): New member node.
5248 (parse_args): Only warn about missing rest args if not
5250 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5251 (cpp_sys_objmacro_p): New.
5252 (_cpp_create_definition): Store the node with the macro defn.
5253 Remember if the macro is defined in a system header.
5255 2001-02-13 DJ Delorie <dj@redhat.com>
5257 * configure.in (check_languages): determine languages to check
5258 * Makefile.in (check-c++): alias for check-g++
5259 (check-f77): alias for check-g77
5260 (CHECK_TARGETS): depend on configured languages
5262 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5264 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5265 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5266 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5267 (sqrtextendsfdf2): Disable for SSE2.
5269 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5271 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5272 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5273 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5274 (sqrtextendsfdf2): Disable for SSE2.
5276 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5278 * i386.md (movsfcc_1): Support integer cmove instruction.
5279 (movdfcc_1): Likewise; new splitter.
5281 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5283 * i386.c (output_fp_compare): Support SSE.
5284 (prepare_fp_compare_args): SSE comparisons always support memory.
5285 * i386.h (TARGET_CMOVE): SSE imply cmove.
5286 * i386.md (cmp?f2): Enable for SSE too.
5287 (cmpfp_i*): Support SSE.
5289 (cmpfp_i_sse_only): New.
5290 (s*, b* fp expanters): Enable for SSE too.
5291 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5294 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5296 * regclass.c (init_reg_sets_1): Silence warning.
5298 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5300 * i386.md (sqrt?f2): Change to expander.
5301 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5303 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5305 * rtlanal.c (find_reg_equal_equiv_note): New function.
5306 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5307 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5308 * rtl.h: Add declarations for above functions.
5310 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5312 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5314 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5315 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5316 * flow.c (mark_regs_live_at_end): Likewise.
5317 (calculate_global_regs_live): Likewise.
5318 * gcse.c (compute_hash_table): Likewise.
5319 (compute_kill_rd): Likewise.
5320 * resource.c (mark_target_live_regs): Likewise.
5321 * rtl.h (INVALID_REGNUM): New macro.
5323 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5325 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5327 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5329 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5332 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5334 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5336 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5337 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5338 (fop_sf_1_sse, fop_df_1_sse): New patterns
5339 (fop_*): Disable float_extend and float patterns for SSE compilation.
5340 * i386.c (output_387_binary_op): Support SSE.
5342 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5344 * i386.md (dummy_extendsfdf2): Support SSE2
5345 (extendsfdf2): Enable if 80387 or SSE2.
5346 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5347 and no MIX_I387_SSE2
5348 (extendsfdf2_1_sse_only): New pattern.
5349 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5351 (truncdfsf2_1): Support SSE.
5352 (truncdfsf2_2): Support SSE.
5353 (truncdfsf2_2_1_sse): New pattern.
5354 (fixtruncsfsi2): Always use SSE if available.
5355 (fix_truncsfsi_sse): New pattern.
5356 (fix_truncdfsi_sse): New pattern.
5357 (floatsis?f2): Support SSE.
5358 (floatsidf2_i387): New pattern.
5359 (floatsidf2_sse): Likewise.
5361 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5363 * configure.in: Use "have_gnat" variable, not "gnat".
5364 * configure: Regenerated.
5366 * config/sparc/sparc.c (function_value): Treat all non-record
5367 aggregate types like used to treat UNION_TYPE.
5369 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5371 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5372 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5374 (MASK_MIX_SSE_I387): New.
5375 (TARGET_SSE): SSE2 imply SSE.
5376 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5377 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5378 (enum reg_class): Add new classes.
5379 (REG_CLASS_NAMES): Likewise.
5380 (REG_CLASS_CONTENTS): Likewise.
5381 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5382 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5383 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5384 (CLASS_MAX_NREGS): Use new macros.
5385 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5386 * i386.md (pushsf, movsf): Support SSE.
5387 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5388 splitters to use ANY_FP_REGNO_P.
5389 (movdf_nointeger, movdf_integer): Likewise.
5391 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5393 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5394 (try_combine): Use it.
5396 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5398 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5399 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5400 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5401 (REGISTER_MOVE_COST): Likewise.
5402 * i386-protos.h (ix86_secondary_memory_needed,
5403 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5404 * i386.c (ix86_secondary_memory_needed,
5405 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5407 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5409 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5410 (HARD_REGNO_MODE_OK): Move offline to ....
5411 * i386.c (ix86_hard_regno_mode_ok) ... here;
5412 refuse all incorrect modes.
5413 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5415 2001-02-13 Richard Henderson <rth@redhat.com>
5417 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5418 entire operator; replicate that and match_dup the operands.
5419 (cmp_ccx_arith_op_set): Likewise.
5420 (cmp_cc_arith_op_not_set): Likewise.
5421 (cmp_ccx_arith_op_not_set): Likewise.
5423 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5425 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5427 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5429 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5430 (TARGET_NO_BITFIELD_WORD): New macro.
5431 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5432 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5434 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5436 * cselib.c: New file, from simplify-rtx.c.
5437 * simplify-rtx.c: Remove cselib parts.
5438 * Makefile.in: Add cselib.o.
5440 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5442 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5443 (setup_incoming_varargs): Remove warning.
5445 * config/rs6000/rs6000.c (validate_condition_mode): When
5446 flag_fast_math, allow floating-point conditionals to be reversed.
5447 (rs6000_generate_compare): When flag_fast_math, don't generate
5448 cror operations for FP conditionals.
5450 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5452 (ASM_SPEC): Likewise.
5453 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5454 (CC1_SPEC): Likewise.
5455 (LINK_TARGET_SPEC): Likewise.
5456 (CPP_ENDIAN_SPEC): Likewise.
5457 * Makefile.in (check-consistency): New target.
5459 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5461 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5462 "return type defaults" warning for functions with return type
5464 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5465 function declarations by default rather than only when pedantic.
5467 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5469 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5472 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5474 * extend.texi (Deprecated): Deprecate new initializer lists.
5476 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5478 * mkdeps.c (deps_add_default_target): Robustify. Add
5479 basename component only.
5480 * cpp.texi (-M): Describe how default target is generated.
5481 * invoke.texi (-M): Likewise.
5483 2001-02-12 Kazu Hirata <kazu@hxi.com>
5485 * toplev.c (push_float_handler): Remove.
5486 (pop_float_handler): Remove.
5487 * toplev.h: Remove prototypes for the above functions.
5489 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5491 * c-common.c (constant_fits_type_p): New function.
5492 (convert_and_check): Use it.
5494 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5496 * Makefile.in (GXX_ABI_FLAG): Don't define.
5497 * configure.in (--enable-new-gxx-abi): Remove option.
5498 * config.in: Regenerated.
5499 * configure: Likewise.
5501 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5503 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5505 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5506 regular basic block, and arrange for all edges into it to switch
5509 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5511 * Makefile.in (distclean): Do not remove .gdbinit.
5513 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5515 * Makefile.in (gcc.o): Fix typos.
5516 (protize.o): Likewise.
5517 (unprotoize.o): Likewise.
5519 2001-02-11 Richard Henderson <rth@redhat.com>
5521 * tree.c (build1): Check for null operand in last change.
5523 2001-02-11 Richard Henderson <rth@redhat.com>
5525 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5526 (fold): Don't assume a constant isn't foldable.
5527 * tree.c (build): Set TREE_CONSTANT for an expression with no
5528 side-effects and constant operands.
5531 2001-02-10 Richard Henderson <rth@redhat.com>
5533 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5535 2001-02-10 Anthony Green <green@redhat.com>
5537 * cpp.texi (Standard Predefined): Add documentation for
5540 * c-common.c (combine_strings): Improve warning message.
5542 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5544 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5546 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5548 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5550 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5553 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5555 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5558 2001-02-09 Nick Clifton <nickc@redhat.com>
5560 * config/arm/arm.md: Change output contraint on post inc
5561 load/store multiple patterns to be a read/write contraint.
5563 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5565 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5566 .o files when using the -M options.
5568 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5569 David Edelsohn <edelsohn@gnu.org>
5571 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5572 handle DImode constants. Use one TOC entry for SImode and smaller
5573 constants, aligned properly.
5575 2001-02-08 Jason Merrill <jason@redhat.com>
5577 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5578 about the SP adjustment for saving the static chain pointer.
5579 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5580 offset when setting a temporary CFA register.
5582 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5584 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5585 powerpc-*-chorusos* .
5586 * config/rs6000/chorus.h : New file.
5587 * config/i386/chorus.h : New file.
5588 * config/sparc/chorus.h : New file.
5589 * config/sparc/t-chorus-elf : New file.
5591 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5593 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5594 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5595 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5596 (__WCHAR_TYPE__): Correct macro name.
5598 2001-02-08 Richard Henderson <rth@redhat.com>
5600 * config/i386/i386.c (ix86_frame_pointer_required): New.
5601 (ix86_setup_frame_addresses): New.
5602 (struct machine_funciton): Add accesses_prev_frame.
5603 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5604 ix86_frame_pointer_required.
5605 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5606 (SETUP_FRAME_ADDRESSES): New.
5607 * config/i386/i386-protos.h: Update.
5608 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5609 from FRAME_POINTER_REQUIRED.
5610 * config/i386/svr3gas.h: Likewise.
5611 * config/i386/sysv3.h: Likewise.
5612 * config/i386/v3gas.h: Likewise.
5614 2001-02-08 Richard Henderson <rth@redhat.com>
5616 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5617 calculation of the number of integer registers required.
5618 (function_arg_record_value): Likewise.
5620 2001-02-08 Jason Merrill <jason@redhat.com>
5622 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5623 two. Print file and line with "confused" message.
5625 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5627 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5629 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5631 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5633 * final.c (cleanup_subreg_operands): The address of a MEM can
5636 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5639 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5641 * gcc.texi (Incompatibilities): Update documentation of
5642 preprocessing numbers.
5644 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5646 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5648 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5650 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5652 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5653 * gcc.c (struct compiler): Add cpp_spec field.
5654 (input_file_compiler): New variable.
5655 (do_spec_1): Allow a particular compiler to handle `%C'
5657 (main): Store the current compiler in input_file_compiler.
5658 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5660 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5662 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5663 * cppinit.c (cpp_create_reader): Initialize them.
5664 (append_include_chain): cxx_aware arg might be unused.
5665 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5666 keywords and give them their phase 7 meaning. Pedwarn about
5667 this unless '__bool_true_false_are_defined' is defined.
5669 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5671 * lcm.c (optimize_mode_switching): Emit mode_set before the
5672 JUMP_INSN of an abnormal edge.
5674 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5676 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5677 a scheduling barrier at the end.
5679 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5681 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5683 * config/sh/sh.md (reload_outsf): Removed.
5684 (movsf_ie): Introduce constraints for FPUL loads and stores.
5685 (reload_insf): Broaden the output constraint.
5687 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5689 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5690 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5692 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5694 * final.c: Revert my previous changes.
5695 * output.h: Make profile_label_no extern.
5696 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5697 for generating label.
5699 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5701 * config/i386/djgpp.h: Add comments about standard paths.
5702 (MD_EXEC_PREFIX): Undefine before defining.
5703 (MD_STARTFILE_PREFIX): New.
5705 2001-01-30 Bruce Korb <bkorb@gnu.org>
5707 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5708 (load_file): do not rely on load_file_data() to close file pointer
5709 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5710 fixinc/inclhack.def(irix_limits_const): add test_text
5712 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5714 * cppexp.c (parse_defined): Improve diagnostics for invalid
5717 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5719 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5721 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5723 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5724 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5725 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5726 (rs6000_output_symbol_ref): New function.
5727 (output_toc): Use VTABLE_NAME_P.
5729 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5731 * print-tree.c (print_node, case PARM_DECL):
5732 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5734 * stor-layout.c (reference_types_internal): New variable.
5735 (internal_reference_types): New function.
5736 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5737 * tree.h (internal_reference_types): New declaration.
5739 * cse.c (find_best_addr): Fix typo in computing cost.
5741 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5743 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5744 and this is the sum of a pointer and a constant, we know the result
5746 (num_sign_bit_copies, case PLUS): Likewise.
5747 * explow.c (convert_memory_address): Remove opposite SUBREG.
5748 * function.c (instantiate_new_reg): New function (from common code).
5749 (instantiate_virtual_regs_1): Call it.
5750 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5751 if pointers sign- or zero-extend.
5752 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5753 If pointers extend unsigned, use inside of SUBREG.
5754 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5756 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5758 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5759 subdir of gcc_gxx_include_dir.
5760 (gcc_gxx_target_include_dir): Remove.
5762 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5764 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5765 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5766 a high-level description.
5768 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5770 * final.c: Move the declaration of profile_label_no to ...
5771 * output.h: ... here.
5772 * function.c (expand_function_start): Call PROFILE_HOOK.
5773 * config/rs6000/aix.h: Define PROFILE_HOOK.
5774 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5775 * config/rs6000/rs6000.c (output_profile_hook): Define.
5776 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5777 output_profile_hook.
5778 tm.texi : Explain new macro PROFILE_HOOK.
5780 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5782 * extend.texi (Extended Asm): Do not say that semicolon is always
5783 a valid line-breaking character for GNU assemblers. Use
5784 newline-tab as the most commonly supported syntax. Use
5785 newline-tab rather than semicolon in multi-insn examples.
5787 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5789 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5791 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5792 David Edelsohn <edelsohn@gnu.org>
5794 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5795 code for AIX, even without flag_pic.
5797 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5799 * c-typeck.c (common_type): push and pop binding level around
5800 calling common_type on function parameters.
5802 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5804 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5806 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5808 * config/mips/mips.c (override_options): Fix typo in last change.
5809 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5810 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5812 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5814 * invoke.texi (-fdump-class-layout): Document.
5815 (-fdump-translation-unit): Use `=' as filename separator.
5817 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5819 * Makefile.in (s-mlib): Don't build multilibs if
5821 (DRIVER_DEFINES): Adjust accordingly.
5823 (protoize.o): Likewise.
5824 (unprotoize.o): Likewise.
5825 * configure.in: Recognize --enable-multilib.
5827 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5829 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5831 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5832 * configure.in: Remove --enable-libstdcxx_v3 support.
5833 * configure: Regenerated.
5835 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5837 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5838 Call abort instead of fatal.
5839 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5840 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5841 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5842 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5843 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5844 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5846 * diagnostic.h (set_internal_error_function): Renamed.
5847 * toplev.h (internal_error): Renamed from fatal.
5848 (pfatal_with_name): Deleted.
5849 (fatal_io_error): Now has printf-style arguments.
5850 * diagnostic.c (pfatal_with_name): Deleted.
5851 (fatal_io_error): Rework to have args in printf-style.
5852 (set_internal_error_function): Renamed from set_fatal_function.
5853 (internal_error): Renamed from fatal.
5854 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5855 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5856 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5857 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5858 * flow.c (verify_flow_info): Likewise.
5859 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5860 * config/mips/mips.c (save_restore_insns): Likewise.
5862 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5863 * flow.c (verify_flow_info): Likewise.
5864 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5865 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5866 (avr_normalize_condition): Likewise.
5867 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5868 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5869 (limit_reload_class, double_reg_to_memory): Likewise.
5870 (print_operand_address, emit_1600_code_shift): Likewise.
5871 (gen_tst_reg, gen_compare_reg): Likewise.
5872 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5873 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5875 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5877 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5878 * objc/objc-act.c (build_ivar_chain): Likewise.
5879 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5881 * graph.c (clean_graph_dump_file): Likewise.
5882 * profile.c (init_branch_prob): Likewise.
5883 * objc/objc-act.c (objc_init): Likewise.
5885 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5886 * config/avr/avr.c (avr_override_options): Likewise.
5887 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5888 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5889 * config/h8300/h8300.c (h8300_init_once): Likewise.
5890 * config/mips/mips.c (override_options): Likewise.
5891 * config/i386/i386.c (override_options): Likewise, rework.
5892 * config/m68k/m68k.c (override_options): Likewise.
5894 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5896 * config/mips/mips.c (print_operand): Likewise.
5897 * hash.c (hash_allocate): Don't check for failure returns from
5898 obstack functions that can't fail.
5899 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5900 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5901 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5902 (get_object_reference): Likewise.
5904 2001-02-04 Nick Clifton <nickc@redhat.com>
5906 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5907 StrongARM1110, 10TDMI, and 1020T.
5909 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5911 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5913 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5915 * config/sh/sh.md (movdf load split): Pass register number to
5916 FP_OR_XD_REGISTER_P.
5918 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5920 * cppinit.c (BC): New macro.
5921 (builtin_array): Add __GXX_WEAK__.
5922 * cpplib.h (builtin_type): Add BT_WEAK.
5923 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5924 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5925 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5927 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5929 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5931 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5933 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5934 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5936 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5938 * cpphash.h: Rename ALIGN _ALIGN.
5939 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5941 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5943 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5944 compilation environment.
5945 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5946 control over location of cygwin includes and libs.
5948 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5950 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5952 2001-02-02 lars brinkhoff <lars@nocrew.org>
5954 * md.texi (Standard Names): remove reference to spur.md.
5956 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5958 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5959 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5960 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5961 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5962 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5964 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5966 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5967 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5968 number before reload.
5969 (c4x_adjust_cost): Return zero before reload.
5970 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5971 split before reload.
5973 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5975 * c4x.c (c4x_hard_regno_rename_ok): New.
5976 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5977 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5979 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5981 * diagnostic.h: Add missing "extern" in all declarations.
5983 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5985 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5986 as for gcc_gxx_include_dir.
5988 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5990 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5992 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5994 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5995 label before alignment to be used as the braf base address.
5996 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5998 (casesi_jump_2): Require at least TARGET_SH2.
6000 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6001 truncation to 32-bit doubles on -m3e and -m4-single-only.
6003 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6005 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6006 the default when building a shared object.
6007 (init_spec): Use it.
6008 * testsuite/lib/g++.exp: Include the directory where libgcc
6009 is located to the LD_LIBRARY_PATH list.
6010 * invoke.texi (-shared-libgcc): Document the cases in which
6011 GCC defaults to using the shared libgcc.
6013 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6015 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6016 unsigned is wide enough.
6018 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6019 (si_to_float): Likewise.
6020 (float_to_si, float_to_usi): Use BITS_PER_SI.
6022 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6024 * dwarf2out.c: Added explanation of abbreviations.
6025 (def_cfa_1): Added comments listing DWARF2 instructions.
6026 (cfa_temp_reg): Removed in favor of cfa_temp.
6027 (cfa_temp_value): Removed in favor of cfa_temp.
6028 (cfa_temp): New global variable.
6029 (dwarf2out_frame_debug_expr): Added extensive introductory
6030 comments explaining the function's transformations. Revised to
6031 use cfa_temp. Added some rtx checking. Generalize IOR case.
6032 (dwarf2out_frame_debug): Revised to use cfa_temp.
6033 (output_aranges): Cast as "unsigned" to avoid warning.
6034 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6035 explain which instructions must be marked.
6037 2001-02-01 Richard Henderson <rth@redhat.com>
6039 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6042 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6044 * config/sh/crt1.asm (main_k): Modified so that start calls
6045 ___setup_argv_and_call_main.
6047 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6049 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6050 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6051 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6052 * cppmacro.c (builtin_macro): Set builtin flags here.
6053 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6054 (replace_args): Clarify intent.
6055 (cpp_get_token): Macro expansion tokens get the saved flags.
6057 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6060 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6062 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6065 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6067 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6068 returns Pmode pseudo, but we need ptr_mode.
6069 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6070 Remove bogus conversions; use HOST_WIDE_INT for size.
6071 Don't use TARGET if wrong mode.
6073 * config/i386/i386.c (ix86_compute_frame_size): Allow
6074 stack_alignment_needed to be non-default even if size is zero.
6076 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6078 * pa.c (hppa_init_pic_save): New function.
6079 * pa.h (hppa_init_pic_save): Declare.
6080 * pa.md (call, call_value, sibcall, sibcall_value): Use
6081 the above instead of duplicated code.
6083 * pa.c (hppa_encode_label): Correct size of alloca buffer
6084 so we don't overrun it. Correct leading `*' case.
6085 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6086 need to handle `*@'.
6087 (FUNCTION_NAME_P): Likewise.
6089 2001-01-31 Richard Henderson <rth@redhat.com>
6091 * config.gcc (alpha-osf5): Use float-i128.h.
6093 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6094 * config/float-i32.h: Likewise.
6095 * config/float-i64.h: Likewise.
6096 * config/float-sh.h: Likewise.
6097 * config/float-sparc.h: Likewise.
6099 2001-01-31 DJ Delorie <dj@redhat.com>
6101 * expmed.c (extract_bit_field): allow non-integral modes if we
6102 want to extract a whole register from itself.
6104 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6106 * c-typeck.c (set_init_index): If first is equal to last, assume as
6107 if it was not a range at all.
6109 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6111 * config/fp-bit.c: Include tm.h.
6112 (float_to_si): Don't assume SImode is 32-bits wide.
6113 (float_to_usi): Likewise.
6115 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6117 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6119 (typename): Call pending_xref_error after parsing typed_typespecs.
6120 * c-decl.c (lookup_tag): Give error immediately rather than
6121 leaving it pending if the tag of the wrong type is in the same
6123 (xref_tag): Don't pedwarn for forward declarations of enum types
6125 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6128 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6130 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6132 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6134 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6135 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6137 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6139 * cpphash.h (struct cpp_reader): New saved_flags.
6140 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6141 to avoid a paste after a pasted token.
6143 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6145 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6146 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6147 Wtype_MIN instead of LONG_MIN.
6149 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6151 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6153 * fixinc/fixincl.x: Regenerated.
6154 * fixinc/inclhack.def (irix_limits_const): New definition to
6155 convert "const" to "__const" in limits.h.
6157 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6159 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6161 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6163 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6164 when register dies in the insn.
6166 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6168 * diagnostic.c (fatal): Fix word wrap.
6170 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6172 * combine.c (try_combine): Fix SUBREG setting for
6173 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6175 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6177 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6180 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6182 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6184 * toplev.c (decode_W_option): Update warn_larger_than
6185 unconditionally for each processed switch.
6187 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6189 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6191 (hppa_expand_prologue): Delete code to save pic offset table register
6192 in the function prologue.
6193 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6194 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6195 table register at the beginning of the function after the prologue.
6197 2001-01-29 lars brinkhoff <lars@nocrew.org>
6199 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6201 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6202 Jeff Law <law@redhat.com>
6204 * pa.md (return): Revise comment for trivial return.
6205 (return_internal): Non-trivial return pattern for non-PIC code.
6206 (return_internal_pic): Non-trivial return pattern for PIC code.
6207 It uses the PIC register to ensure it is restored after
6209 (epilogue): Generate appropriate return for PIC and non-PIC code.
6211 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6213 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6215 2001-01-29 DJ Delorie <dj@redhat.com>
6217 * combine.c (if_then_else_cond): Pass the correct mode to
6218 operand_subword() for constants.
6220 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6222 * config/i386/cygwin.h: Add w32api to include search. Search different
6223 directories in a cross-build environment.
6225 2001-11-29 Tim Josling <tej@melbpc.org.au>
6227 * tree.h (TYPE_STUB_DECL): Add documentation.
6229 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6231 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6232 (sdbout_field_types): Likwise. Fix use of host_integerp.
6234 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6236 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6239 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6241 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6242 to use flag_gnu_linker.
6244 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6246 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6247 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6249 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6251 * tree.c, tree.h (build_parse_node): Remove; was identical to
6253 * c-lang.c (start_cdtor), objc/objc-act.c
6254 (build_module_descriptor): Use build_nt instead of
6257 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6259 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6260 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6261 not have any upper bits set.
6263 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6265 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6267 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6269 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6271 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6273 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6274 (integer_minus_one_node): Define.
6276 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6278 * Makefile.in (bootstrap2-lean): Fix typo.
6280 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6282 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6283 : Don't set fe_value.
6284 * cpplib.h (AVOID_LPASTE): New flag.
6285 (struct cpp_hashnode): Remove fe_value.
6286 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6287 * cppmacro.c (builtin_macro): Don't set flags here.
6288 (replace_args): Set AVOID_LPASTE flag on first token of an
6289 argument, and the token following it.
6290 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6291 macro expansion, and on the token following it. Do it for
6293 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6295 2001-01-27 Richard Henderson <rth@redhat.com>
6297 * config/alpha/t-ieee: Remove multilibbing.
6298 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6300 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6302 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6304 * Makefile.in: Remove all dependencies on defaults.h.
6305 * builtins.c: Don't include defaults.h.
6306 * c-common.c: Likewise.
6307 * c-decl.c: Likewise.
6308 * c-pragma.c: Likewise.
6309 * c-typeck.c: Likewise.
6310 * combine.c: Likewise.
6312 * frame-ia64.c: Likewise.
6313 * cppexp.c: Likewise.
6314 * crtstuff.c: Likewise.
6315 * dbxout.c: Likewise.
6316 * dwarf2out.c: Likewise.
6317 * dwarfout.c: Likewise.
6318 * emit-rtl.c: Likewise.
6319 * except.c: Likewise.
6321 * final.c: Likewise.
6322 * frame-dwarf2.c: Likewise.
6323 * libgcc2.c: Likewise.
6324 * optabs.c: Likewise.
6325 * profile.c: Likewise.
6326 * sdbout.c: Likewise.
6327 * toplev.c: Likewise.
6328 * tradcif.y: Likewise.
6330 * varasm.c: Likewise.
6332 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6334 * builtins.c (expand_builtin_fputs): Use size_one_node when
6335 transforming into fwrite.
6337 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6339 * extend.texi (Attribute Syntax): New section.
6341 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6343 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6344 they didn't need fixing.
6346 2001-01-27 Janis Johnson <janis@us.ibm.com>
6348 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6350 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6351 to remove macro definitions that are duplicated from elfos.h.
6353 2001-01-27 Richard Henderson <rth@redhat.com>
6355 * config/i386/sco5gas.h: Move ...
6356 * config/usegas.h: ... here.
6357 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6359 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6361 * c-typeck.c (struct constructor_stack): Add range_stack member.
6362 (really_start_incremental_init): Clear it.
6363 (push_init_level): Save constructor_range_stack and clear it if
6364 pushing explicit braces.
6365 (pop_init_level): abort if constructor_range_stack is non-zero at
6366 explicit closing brace. Restore saved constructor_range_stack if
6369 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6371 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6372 into register was forced into memory.
6374 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6376 * Makefile.in: Remove uses of + before $(MAKE).
6378 2001-01-26 Richard Henderson <rth@redhat.com>
6380 * stmt.c (cost_table): Remove.
6381 (COST_TABLE, cost_table_initialized): New.
6382 (estimate_case_costs): Use the later instead of the former.
6383 (balance_case_nodes): Likewise.
6385 2001-01-26 Richard Henderson <rth@redhat.com>
6387 * alias.c (objects_must_conflict_p): Read-only slots may not
6388 conflict despite having the same type.
6390 2001-01-27 Michael Hayes <mhayes@redhat.com>
6392 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6394 (check_ext_dependant_givs): Initialise u_start_val and
6396 (load_mems): Make last_max_reg unsigned.
6397 (try_swap_copy_prop): Use INSN_P and initialise set.
6399 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6401 * README.AVR : Removed.
6403 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6405 * pa-64.h (text_section): Remove declaration.
6407 * pa.md (return_internal): Remove mode on PIC register use.
6409 2001-01-25 lars brinkhoff <lars@nocrew.org>
6411 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6412 ASM_CLOSE_PAREN): fix typos.
6414 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6416 * acconfig.h: Define `const' to the empty string if neither
6417 __STDC__ nor __cplusplus is defined.
6418 * config.in: Regenerated.
6420 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6422 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6423 * collect2.c (main): Delete importf. Add ".obj" file extension.
6424 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6425 (aix_std_libs): Add additional AIX libraries to skip.
6426 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6427 * config/rs6000/aix51.h: New file.
6429 2001-01-25 Michael Hayes <mhayes@redhat.com>
6431 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6432 (loop_insn_emit_before): No longer static.
6433 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6434 (loop_givs_rescan, load_mems): Likewise.
6435 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6436 (maybe_eliminate_biv_1):
6437 (move_movables): Replace emit_call_insn_before with
6438 loop_call_insn_hoist.
6439 * loop.h (loop_insn_emit_before): Add.
6440 * unroll.c (copy_loop_body): Replace emit_insn_before with
6441 loop_insn_emit_before.
6443 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6445 * diagnostic.c (fatal): Request preprocessed source.
6447 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6449 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6450 olddecl has argument types and newdecl has none, use the argument
6453 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6455 * dwarf2out.c (prefix_of): New function. Determine longest common
6456 prefix of the two arguments. The units are whole path components.
6457 (output_file_names): When adding a new directory find the one entry
6458 with the longest common prefix already in the list. Artificially
6459 generate entry if there is none for this prefix.
6460 Fix test to check whether the zeroth directory entry is used.
6462 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6464 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6465 Changed all callers. Take it into account when deciding if a
6466 previously loaded value matches.
6468 2001-01-24 Richard Henderson <rth@redhat.com>
6470 * reload.c (find_reloads_subreg_address): Fail the substitution
6471 if the resulting address is insufficiently aligned.
6473 2001-01-24 DJ Delorie <dj@redhat.com>
6475 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6476 check the original operand's mode also.
6477 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6479 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6481 * c-parse.in (cast_expr): Move compound literals from here ...
6482 (primary): ... to here. Use standard terminology "compound
6483 literal" instead of "constructor expression".
6485 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6487 * gcc.1, cpp.1: Regenerate.
6489 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6491 * calls.c (emit_library_call_value_1): Memory slot for
6492 pass-by-reference argument should have the mode of the argument,
6493 not of the pointer to it.
6495 2001-01-24 Tom Tromey <tromey@redhat.com>
6497 * gcc.texi (G++ and GCC): Mention gcj manual.
6498 (Standards): Link to section of manual mentioning gcj/Java
6501 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6503 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6504 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6505 * tradcpp.c (main): Add -imacros or -include'd dependencies
6507 * cpp.texi (-M, -MM): Document -M -include behaviour.
6509 2001-01-24 Roger Collins <roger@ProProject.com>
6511 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6513 2001-01-24 Will Cohen <wcohen@redhat.com>
6515 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6516 whether registers are 32 bits or 64 bits in size.
6518 2001-01-24 Ben Elliston <bje@redhat.com>
6520 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6522 2001-01-24 Richard Henderson <rth@redhat.com>
6524 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6525 (builtin_longjmp): Use it instead of emit_indirect_jump.
6527 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6529 * bb-reorder.c (make_reorder_chain_1): Handle case where
6530 jump edge goes to the same block as the fallthru edge.
6532 2001-01-23 Jim Wilson <wilson@redhat.com>
6534 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6535 * frame.h (__ia64_personality_v1): Add prototype.
6536 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6537 prototype form. Add void * cast to first argument to personality
6539 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6540 (asctoe113): Likewise.
6541 * config/ia64/frame-ia64.c: Include eh-common.h.
6542 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6544 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6546 (itanium_split_issue): Add prototype.
6547 (gen_nop_type): Ifdef out.
6548 (find_best_packet): Initialize best_packet.
6549 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6551 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6552 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6553 (flushrs): Add explicit stop bit at end.
6554 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6557 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6559 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6561 * libgcc2.c (__terminate_func): Make variable static.
6562 (__terminate_set_func): New function to set __terminate_func.
6563 * libgcc2.h (__terminate_func_ptr): New typedef.
6564 (__terminate_set_func): New function.
6566 2001-01-23 Richard Henderson <rth@redhat.com>
6568 * flow.c (init_propagate_block_info): Don't consider unchanging
6569 memories for dead frame store elimination.
6571 2001-01-23 Richard Henderson <rth@redhat.com>
6573 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6574 * defaults.h: ... here.
6576 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6578 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6580 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6582 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6584 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6586 * rs6000.h (rs6000_return_addr): Move prototype from here...
6587 * rs6000-protos.h (rs6000_return_addr): ...to here.
6588 (rs6000_init_expanders): Delete prototype.
6590 2001-01-23 Nick Clifton <nickc@redhat.com>
6592 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6593 (Spec Files): Document %B and %j and %. and %v3 and %M and
6594 %{S*&T} spec switches.
6596 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6598 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6600 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6601 Neil Booth <neil@daikokuya.demon.co.uk>
6603 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6604 Have -Werror make pedantic warnings errors, like the
6607 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6609 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6611 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6613 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6614 * integrate.c (expand_inline_function): Initialize them.
6615 (subst_constants): If changing COMPARE so that both its arguments
6616 will be VOIDmode and the comparison mode will be lost, note
6617 compare_mode. Use the recorded compare_mode to optimize
6620 2001-01-23 Jason Merrill <jason@redhat.com>
6622 * dwarf2out.c (new_die): Use xcalloc.
6623 (output_die): Abort rather than emit a local reference to offset 0.
6625 2001-01-17 Andrew Haley <aph@redhat.com>
6627 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6628 of a saved register; return NULL instead.
6629 (copy_reg): Take a pointer to a source register rather than a
6631 (next_stack_level): Remember the address in the stack frame of all
6633 Use the saved register pointer array as the source of the CFA.
6634 (throw_helper): Rewrite. Unwind once rather than twice and keep
6635 track of saved registers as we go.
6637 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6639 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6640 * c4x.c (c4x_legitimize_reload_address): Remove.
6641 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6642 reload address for ldp(k) insn.
6644 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6646 * pa.md (return_internal): Add a USE of the PIC register to ensure
6647 it is restored after each call.
6648 (return expander): Corresponding changes.
6650 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6652 * rs6000.h (INIT_EXPANDERS): Delete.
6653 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6654 * rs6000.c (rs6000_override_options): Call *_machine_status from
6656 (rs6000_init_expanders): ...instead of here. Delete.
6657 (rs6000_mark_machine_status): New function.
6658 (rs6000_init_machine_status): Use xcalloc.
6659 (rs6000_return_addr): Generate RTX for the return address.
6660 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6661 (rs6000_stack_info): Use it.
6663 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6665 * gthr-win32.h: Include errno.h to get a declaration for
6666 EINVAL and _mingw.h if the target is mingw32.
6668 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6670 * cpp.texi: Correct typos.
6672 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6674 * explow.c (probe_stack_range): Ensure value passed to
6675 stack_check_libfunc is ptr_mode, not Pmode.
6677 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6679 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6680 case, don't use operand_subword to calculate a SUBREG that is
6683 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6685 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6687 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6688 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6689 valid. If not replace it by equivalent insns.
6691 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6693 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6694 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6695 (c4x_U_constraint, symbolic_address_operand): Likewise.
6696 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6698 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6699 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6700 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6701 anulling slot because of silicon bug.
6702 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6704 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6706 * cppexp.c (parse_charconst): Change `mask' type to agree
6709 2001-01-21 Richard Henderson <rth@redhat.com>
6711 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6712 pic_label_name in a linkonce section.
6714 2001-01-17 Philipp Thomas <pthomas@suse.de>
6716 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6718 * configure: Regenerate.
6720 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6722 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6723 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6725 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6727 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6728 If REVERSE nonzero then condition code in X must be reversed.
6729 (encode_section_info): Optimise if/else.
6730 (avr_function_value): Fix formatting.
6732 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6733 (difficult_branch): Likewise.
6734 (rvbranch): Likewise.
6735 (difficult_rvbranch): Likewise.
6737 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6739 * config/avr/libgcc.S: Fix comment.
6741 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6743 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6745 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6747 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6749 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6751 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6752 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6753 * configure, config.in: Regenerate.
6754 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6755 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6756 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6757 (doprint.o): New rule.
6759 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6761 * c-typeck.c (digest_init): Handle boolean types as scalars.
6763 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6765 * stmt.c (expand_return): Don't return anything if size is zero.
6766 Delete redundant assignment to BYTES.
6767 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6769 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6771 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6772 the same as the default library function names.
6773 * config/avr/avr.md: Document special characters after '%'.
6774 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6775 knowing which of the call-used registers are really clobbered.
6776 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6777 New. Both quotient and remainder from one libgcc.S call.
6778 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6779 clobber as few registers as possible.
6780 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6782 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6784 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6785 context of the top of the stack.
6787 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6789 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6790 (fixup_var_refs_insns): ...here.
6792 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6794 * function.c (fixup_var_refs_insns): Break up into
6795 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6796 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6797 [loop over hash table entries].
6798 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6799 fixup_var_refs_insns_with_hash, to match above changes.
6801 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6803 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6804 (libgcc.a): Likewise.
6805 (stmp-multilib): Likewise.
6806 (STAGE2_FLAGS_TO_PASS): Likewise.
6808 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6810 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6811 temporary if no_new_pseudos.
6813 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6815 * cppinternals.texi: Update.
6817 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6819 * arm.c (arm_init_builtins): Re-enable builtins.
6821 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6823 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6824 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6825 element to be null, and always expect an EXPR_LIST.
6826 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6827 * sched-deps.c (sched_analyze_1): Likewise.
6828 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6830 * regclass.c (max_set_parallel): New variable.
6831 (reg_scan): Take it into account in computation of max_parallel.
6832 (reg_scan_mark_refs, case SET): Compute it.
6834 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6836 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6837 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6839 2001-01-19 Jason Merrill <jason@redhat.com>
6841 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6842 for the abstract instance of an inline function.
6844 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6845 J"orn Rennecke <amylaar@redhat.com>
6847 * reload1.c (move2add_note_store): Treat all registers directly or
6848 indirectly derived from a base register as members of the same set
6850 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6851 of base register into account.
6853 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6855 * alias.c (find_base_value): Recognize TRUNCATE.
6856 (record_set): In PLUS case, invalidate if other summand is also a
6859 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6861 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6862 entry to be EXPR_LIST.
6863 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6864 be an EXPR_LIST (but not null, which other code doesn't allow).
6865 (note_stores): Properly handle PARALLEL in SET.
6866 Recursively call for top-level PARALLEL.
6867 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6868 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6870 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6872 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6874 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6875 not pfile->skipping (== 0).
6877 2001-01-17 Nick Clifton <nickc@redhat.com>
6879 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6882 2001-01-17 Jim Wilson <wilson@redhat.com>
6884 * invoke.texi (IA-64 options): Improve.
6886 2001-01-17 Tom Tromey <tromey@redhat.com>
6888 * invoke.texi (Optimize Options): Use `{}' to around @samp
6891 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6893 * invoke.texi (-fno-guess-branch-probability): New option.
6895 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6897 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6898 case of making new double-word constant.
6899 Revert last change: instead just test i3_subst_into_i2.
6901 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6903 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6904 Use q constraints instead of r.
6906 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6908 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6909 (machine_function): Define.
6910 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6911 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6912 pa_free_machine_status): New functions.
6913 (override_options): Set {init,mark,free}_machine_status to above.
6914 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6915 PIC_OFFSET_TABLE_REGNUM_SAVED.
6916 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6917 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6918 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6919 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6920 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6922 2001-01-15 DJ Delorie <dj@redhat.com>
6924 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6928 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6930 * flow.c (propagate_on_insn): Make trying to delete a prologue
6931 or epilogue insn an ICE, not a warning. Allow doing this if
6932 the current function returns with stack pointer depressed.
6934 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6935 I3 having more than one SET.
6937 2001-01-16 Jim Wilson <wilson@redhat.com>
6939 * invoke.texi: Document IA-64 options.
6941 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6942 (fixup_errata): Delete TARGET_A_STEP use.
6943 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6944 (TARGET_SWITCHES): Delete -ma-step option.
6945 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6946 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6947 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6948 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6949 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6950 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6952 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6953 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6954 cmovsi_internal): Delete ! TARGET_A_STEP check.
6956 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6958 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6959 possibility to report bugs via postal mail. Change a URL and
6960 merge in a nearly duplicate statement...
6961 (Bug Reporting): ...from here.
6962 (Service): Refer to the Bug Reporting section instead of
6964 (Contributing): Remove trivial explanations concerning snapshots.
6966 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6968 * cppmain.c (general_init): Don't use ANSI prototype.
6970 2001-01-16 Tom Tromey <tromey@redhat.com>
6972 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6974 2001-01-16 Richard Henderson <rth@redhat.com>
6976 * config/i386/i386.h: Fix comment typo.
6977 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6978 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6980 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6982 * gcc.c: Revert previous -fsyntax-only-related change; move
6985 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6987 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6988 inmode after checking GET_CODE (op).
6990 2001-01-16 Richard Henderson <rth@redhat.com>
6992 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6993 (MAX_MEM_SET_LIST_LEN): New.
6994 (propagate_one_insn): Update mem_set_list_len.
6995 (invalidate_mems_from_autoinc): Likewise.
6996 (invalidate_mems_from_set): Likewise.
6997 (mark_used_regs): Likewise.
6998 (init_propagate_block_info): Likewise. Stop collecting memories
6999 when we reach MAX_MEM_SET_LIST_LEN.
7000 (mark_set_1): Likewise.
7002 2001-01-16 Richard Henderson <rth@redhat.com>
7004 * unroll.c (precondition_loop_p): Fail if no iteration
7007 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7009 * gcc.c: When -fsyntax-only is given, do not complain about
7012 2001-01-15 Richard Henderson <rth@redhat.com>
7014 * config/i386/i386.c (asm_output_function_prefix): Remove.
7015 (ix86_asm_file_end): New.
7016 (load_pic_register): Generate pic_label_name into a
7017 staticly allocated buffer.
7018 * config/i386/i386-protos.h: Update.
7019 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7020 (ASM_FILE_END): New.
7021 * config/i386/i386afe.h: New file.
7022 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7023 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7024 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7025 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7026 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7027 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7028 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7030 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7032 * Makefile.in (install-man): Remove explicit dependency on
7035 * configure.in, configure: Revert previous patch requiring perl
7038 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7040 * toplev.c (flag_guess_branch_prob): New.
7041 (f_options): Add guess-branch-probability option.
7042 (rest_of_decl_compilation): Only estimate branch probability if
7044 (main): set flag_guess_branch_prob.
7046 * flags.h (flag_guess_branch_prob): New.
7048 2001-01-15 DJ Delorie <dj@redhat.com>
7050 * gcc.texi (Makefile): Add documentation for Makefile targets.
7052 2001-01-15 Philip Blundell <philb@gnu.org>
7054 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7056 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7057 (is_pic): Delete declaration.
7058 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7059 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7060 * config/arm/arm.md (builtin_setjmp_receiver): New.
7062 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7064 * arm.c (use_return_insn): Don't try to determine the function type
7065 until after reload has completed.
7066 (arm_output_epilogue): Don't adjust the sp value recovered from the
7068 (emit_multi_reg_push): Don't record dwarf information for the pc.
7069 * arm.md (eh_epilogue): The function type may have changed, so it
7070 needs to be recalculated.
7071 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7072 unwind tables on arm/netbsd.
7074 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7076 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7077 (negated_cbranchsi4): Likewise.
7079 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7081 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7082 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7083 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7084 pass -mapcs-* options to assembler.
7085 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7086 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7087 (ASM_SPEC): Call subtarget_extra_asm_spec.
7089 2001-01-15 Andreas Jaeger <aj@suse.de>
7091 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7093 (ix86_expand_builtin): Likewise.
7095 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7096 warning about comparison between signed and unsigned.
7098 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7100 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7102 2001-01-14 Ralf Baechle <ralf@gnu.org>
7104 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7105 SUBTARGET_CPP_SPEC apropriatly.
7107 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7109 * varasm.c (make_decl_rtl): Fix typo in last change.
7111 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7113 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7114 linker supports the init_priority C++ attribute.
7115 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7116 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7117 linker does not support init_priority C++ attribute.
7119 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7121 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7123 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7125 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7126 * cp/lex.c (finish_parse): Similarly.
7127 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7128 Return the number of errors encountered.
7129 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7130 * cppmain.c (main): Don't call cpp_destroy.
7132 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7134 * configure.in: Require at least perl 5.6.0 to regenerate
7136 * configure: Regenerate.
7138 2001-01-14 Richard Henderson <rth@redhat.com>
7140 * genrecog.c (DT_veclen_ge): New.
7141 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7142 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7143 (nodes_identical_1): Handle DT_veclen_ge.
7144 (write_cond, debug_decision_2): Likewise.
7146 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7148 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7150 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7152 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7154 * cppmain.c (do_preprocessing): New function; most of the old
7156 (main): Call it to do most of the work.
7157 (cb): Move from global scope to set_callbacks ().
7158 (setup_callbacks): Get the callback pointer.
7159 (general_init, printer_init): Clean up code and comments.
7161 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7163 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7166 2001-01-14 Kazu Hirata <kazu@hxi.com>
7168 * config/h8300/h8300.c (get_shift_alg): Update comments.
7170 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7172 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7173 (alloc_page, ggc_alloc): Add casts to remove warnings.
7175 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7177 * combine.c (simplify_comparison): Don't change `code' when
7178 can't reverse comparison.
7180 2001-01-14 Richard Henderson <rth@redhat.com>
7182 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7183 update all call sites. Return true for all non-label constants.
7185 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7187 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7189 (ix86_expand_branch): Update.
7190 (ix86_expand_setcc): Update to handle multiple test conditions.
7191 (expand_int_movcc): Likewise.
7192 (expand_fp_movcc): Likewise.
7193 * i386-protos.h (ix86_expand_compare): New.
7194 * i386.md (andqi_?_slp, orqi_?_slp): New.
7195 (conditional trap expander): Update call to ix86_expand_compare.
7197 2001-01-14 Richard Henderson <rth@redhat.com>
7199 * config/vax/vax.md: Use nonimmediate_operand instead of
7200 general_operand in destinations.
7202 * config/vax/vax.md (indirect_jump): Use register_operand.
7204 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7205 * config/vax/vax.md (call_pop): Turn into an expander.
7206 (call_value_pop): Likewise.
7207 (call, call_value): New.
7209 2001-01-14 Andreas Jaeger <aj@suse.de>
7211 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7213 (ix86_fp_compare_mode): Add unused attribute.
7214 (ix86_expand_fp_movcc): Remove unused variable.
7215 (ix86_expand_builtin): Make fcode unsigned.
7217 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7218 (expand_expr): Add cast to avoid signed warning.
7219 (store_field): Likewise.
7220 (store_constructor_field): Likewise.
7221 (store_constructor): Likewise.
7222 (store_expr): Likewise.
7223 (clear_storage): Likewise.
7224 (emit_group_store): Likewise.
7225 (emit_group_load): Likewise.
7227 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7229 * c-common.c: Move format checking code to ...
7230 * c-format.c: ... here. New file. Reorder some functions and
7232 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7234 * c-common.h (decl_handle_format_attribute,
7235 decl_handle_format_arg_attribute): Declare.
7236 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7237 (c-common.o): Adjust dependencies.
7238 (c-format.o): New list of dependencies.
7240 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7242 * unroll.c (loop_iterations): If we cannot prove iteration variable
7243 is set once in each iteration, punt.
7245 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7247 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7248 (*strlenhi): Remove clobber (which was buggy) of output address.
7250 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7252 * Makefile.in (generated-manpages): Add gcc.1
7253 ($(srcdir)/gcc.1): New target.
7254 (maintainer-clean): Delete $(srcdir)/gcc.1.
7255 * gcc.texi: Add macros @gccoptlist and @gol.
7256 * invoke.texi: Include option summary in manpage. Mark up option
7257 summary with @gccoptlist and @gol. Use @r in one place where
7259 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7260 * gcc.1: Generate from invoke.texi.
7262 2001-01-13 Richard Henderson <rth@redhat.com>
7264 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7265 (struct page_entry): Add group member.
7266 (struct page_group): New.
7267 (struct globals): Add page_groups member.
7268 (alloc_anon): Only define for using mmap; remove valloc call.
7269 (page_group_index): New.
7270 (set_page_group_in_use): New.
7271 (clear_page_group_in_use): New.
7272 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7273 (free_page, release_pages): Likewise.
7274 * configure.in (with-gc): Default to ggc-page always.
7276 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7278 * reload1.c (replace_pseudos_in_call_usage): Use
7279 reg_equiv_constant and reg_equiv_address, and don't try
7280 regno_reg_rtx first.
7282 2001-01-13 Richard Henderson <rth@redhat.com>
7284 * ggc-page.c (alloc_page): Round up allocation size to one page.
7285 Set e->order on extra pages.
7287 2001-01-13 Richard Henderson <rth@redhat.com>
7289 * genrecog.c (nodes_identical): Expand commentary.
7290 (write_switch): Watch out for identical nodes.
7292 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7294 * cppfiles.c (_cpp_fake_include): New function.
7295 * cpphash.h (_cpp_fake_include): New.
7296 * cpplib.c (do_line): Call _cpp_fake_include when entering
7297 header files in preprocessed input.
7298 * cppmain.c (cb_pragma_implementation): Remove handling.
7299 (setup_callbacks): Don't register pragmas.
7301 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7303 * extend.texi: Udate for CPP.
7305 2001-01-13 Andreas Jaeger <aj@suse.de>
7307 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7309 * regmove.c: Add prototype for replace_in_call_usage.
7311 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7313 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7314 struct cpp_chunk, struct htab, struct toklist,
7315 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7316 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7317 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7318 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7319 (struct macro_args): Delete.
7320 * cpphash.h: See above.
7322 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7324 * cppmain.c (struct printer): Remove no_line_dirs.
7326 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7327 : Use options rather than CPP_OPTION.
7328 (setup_callbacks): Use cb rather than pfile->cb.
7329 (main): No need to check for a buffer. Use cpp_errors.
7330 (printer_init): Don't set no_line_dirs.
7331 (maybe_print_line): Use options not no_line_dirs.
7332 (cb_file_change): Don't call print_line if -P.
7334 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7336 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7338 * c-parse.in (finish_parse): Use cpp_errors.
7339 (__yylex): Use return value of cpp_pop_buffer.
7340 * cp/lex.c (finish_parse): Use cpp_errors.
7341 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7343 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7345 * README.AVR: URLs corrected.
7347 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7349 * c-decl.c (start_function): Don't warn if old prototype is builtin
7350 that's not in C's namespace.
7351 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7352 (_bb): Add prototype for ctime.
7353 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7355 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7357 * i386.c (ix86_fp_comparison_arithmetics_cost,
7358 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7359 ix86_fp_comparison_cost): New functions.
7360 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7361 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7362 two-branch sequences; make static.
7363 (ix86_use_fcomi_compare): Do decision according to the costs.
7364 (split_fp_branch): New.
7365 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7366 * i386-protos.h (ix86_expand_fp_compare): Remove
7367 (ix86_split_fp_branch): Declare.
7369 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7370 and ix86_comparison_operator.
7372 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7375 * i386.c (put_condition_code): Output properly the unordered/ordered
7376 compares in fp case.
7377 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7379 * tm.texi (REVERSE_CONDITION): Document.
7380 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7381 in -ffast-math mode.
7382 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7384 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7386 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7388 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7391 * config/sh/sh.c (mova_p): Fix test for mova_const.
7393 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7395 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7396 cpp_get_options rather than dereferencing pfile and using
7398 * scan-decls.c (scan_decls): Use return value of
7399 cpp_pop_buffer rather than CPP_BUFFER.
7401 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7403 * cppinit.c (cpp_handle_option): help_only is now part of the
7404 cpp_options structure.
7405 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7406 cpp_set_callbacks): New functions.
7407 * cpplib.h (cpp_callbacks): Break out as a named structure.
7408 (cpp_options): Move help_only here from cpp_reader.
7409 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7410 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7411 cpp_set_callbacks): New prototypes.
7412 * cppmain.c (main): Update for help_only.
7414 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7416 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7417 Also build and remove and install and uninstall c-tree.info and
7419 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7420 ($(srcdir)/cppinternals.info): New target.
7421 * c-tree.texi: Change file name used when makeinfo used without -o
7422 from ir.info to c-tree.info. Add info directory entry.
7423 * cppinternals.texi: Add info directory entry.
7424 * .cvsignore: Update.
7426 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7428 * c-typeck.c (store_init_value): Don't require constant initializer
7429 elements with -pedantic -std=c99.
7430 (digest_init): Change error about non-constant initializer elements
7432 (constructor_range_end): Remove.
7433 (constructor_incremental, designator_depth,
7434 designator_errorneous): New variables.
7435 (struct constructor_stack): Remove range_end, add incremental.
7436 (struct constructor_range_stack, constructor_range_stack): New.
7437 (struct initializer_stack): Add constructor_range_stack.
7438 (finish_init): Set it.
7439 (start_init): Likewise. require_constant_elements for non-static
7440 trees only if not flag_isoc99.
7441 (really_start_incremental_init): Remove constructor_range_end, add
7442 constructor_incremental.
7443 (pop_init_level): Likewise.
7444 (push_init_level): Likewise. If implicit and the subobject had some
7445 value set already, preinitialize the level with it.
7446 Warn about missing braces only if not pushing due to designators.
7447 (set_designator, push_range_stack): New functions.
7448 (set_init_label): Use them.
7449 (set_init_index): Likewise. Remove constructor_range_end.
7450 Error if designator index is outside of array bounds.
7451 (add_pending_init): Compare values of purpose index trees, not the
7452 trees themselves. Allow overwriting of already initialized element.
7453 Issue a warning if it had side-effects.
7454 (set_nonincremental_init, set_nonincremental_init_from_string): New
7456 (pending_init_member): Rename to...
7457 (find_init_member): ...this function. Call set_nonincremental_init
7458 if necessary. Compare values of purpose index trees, not the trees
7459 themselves. Return the actual value, not just non-zero if something
7461 (output_init_element): Remove checks for duplicates.
7462 If field has zero size, only check the initializer for correctness.
7463 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7464 if constructor_incremental is zero. Change error about initializers
7465 not computable at load time into pedwarn.
7466 (output_pending_init_elements): Compare bit positions, not
7467 FIELD_DECLs to take into account zero-sized fields.
7468 (process_init_element): Use constructor_range_stack to fill all
7469 ranges in the designator lists from current level up.
7470 * extend.texi: Update documentation for labeled elements.
7472 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7474 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7475 to function usage for arguments passed by reference. Optimize
7476 callee-copied arguments.
7477 * regmove.c (replace_in_call_usage): New function.
7478 (fixup_match_1): Call it.
7479 * cse.c (cse_insn): Canonicalize registers in function usage.
7480 * reload1.c (replace_pseudos_in_call_usage): New function.
7483 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7486 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7488 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7491 2001-01-12 DJ Delorie <dj@redhat.com>
7493 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7494 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7497 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7499 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7500 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7501 -std options alongside references to -ansi. Update some
7502 documentation for C99.
7503 * cpp.1: Regenerate.
7505 2001-01-12 Andreas Jaeger <aj@suse.de>
7507 * haifa-sched.c (restore_line_notes): Remove argument block B
7509 * sched-ebb.c (schedule_ebb): Change caller.
7510 * sched-rgn.c (schedule_region): Likewise.
7511 * sched-int.h (restore_line_notes): Adjust prototype.
7513 * loop.h: Remove wrong declaration of doloop_condition_get.
7515 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7517 * extend.texi: Move C++-extension-related node from the C section
7518 into the C++ section.
7520 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7522 * extend.texi: Refer to an array of pointers to functions instead
7523 of one of functions.
7525 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7526 Jan Hubicka <jh@suse.cz>
7528 * combine.c (reversed_comparison): Fix typo in last patch.
7530 (combine_reversed_comparison_code): Make static to follow
7531 prototype declaration.
7533 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7535 * install.texi: Remove misplaced duplicate entry.
7537 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7539 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7541 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7543 * final.c: (leaf_function_p): Fix typo.
7545 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7547 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7548 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7550 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7551 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7552 mmap_anon, and valloc is available.
7553 * ggc-page.c: Restructure ifdef logic to match new autoconf
7554 spec. Don't throw away the test page in init_ggc.
7556 * configure, config.in: Regenerate.
7558 2001-01-12 Michael Hayes <mhayes@redhat.com>
7560 * loop.h (total_biv_increment): Constify iv_class pointer.
7561 (struct induction): Replace `mem_mode' with `mem' rtx.
7562 * unroll.c (total_biv_increment): Constify iv_class pointer.
7563 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7564 (find_mem_givs, combine_givs_p): Likewise.
7565 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7567 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7569 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7571 (__gthread_getspecific): Ditto.
7573 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7575 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7576 put_condition_code): Convert fp comparison codes to integer
7578 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7581 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7582 * i386-protos.h (no_comparison_operator): Kill.
7584 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7586 * combine.c (REVERSIBLE_CC_MODE): Remove.
7587 (reversible_comparison_p): Remove.
7588 (combine_reversed_comparison_code): New.
7589 (reversed_comparison): New.
7590 (combine_simplify_rtx): Use
7591 combine_reversed_comparison_code/reversed_comparison instead
7592 of reversible_comparison_p.
7593 (simplify_if_then_else): Likewise.
7594 (simplify_set): Likewise.
7595 (simplify_logical): Likewise.
7596 (if_then_else_cond): Likewise.
7597 (known_cond): Likewise.
7598 (simplify_comparison): Likewise.
7600 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7602 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7603 sizeof (int) is larger than sizeof(__word__).
7605 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7607 * cppinit.c (do_includes): Fix typo.
7609 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7611 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7612 in S_REGS does not occur because not all sources are possible
7613 when a S_REGS is a destination (sometimes needs a clobber).
7614 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7615 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7616 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7617 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7618 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7619 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7620 (lshrdi_const1, lshrsi3_const16): Likewise.
7621 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7622 (*movhi_68hc12, *movqi_68hc12): Likewise.
7623 (movstrictqi): Make sure reloading in D_REGS as a destination
7626 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7628 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7630 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7632 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7633 -D, -U and -A, and don't initialize the builtins.
7634 (do_includes): Error if -include or -imacros with -fpreprocessed.
7635 * cppmain.c (cb_define, cb_undef): Unconditionally process
7637 * tradcpp.c (main): Fix typo.
7639 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7641 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7642 (read_name_map): Use IS_ABSOLUTE_PATH.
7643 * tradcpp.c (get_filename): Likewise.
7645 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7647 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7648 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7649 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7650 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7651 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7652 (cmphi_z_used): Don't use '@' for the output.
7653 (tstqi_z_used): Likewise.
7654 (cmpqi_z_used): Likewise.
7655 (one_cmplsi2): Likewise.
7657 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7659 * config/sh/sh.c (barrier_align): Recognize branch around far
7660 branch and redundant insn.
7662 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7664 * invoke.texi: Restore documentation of the drivers' switches -MD
7667 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7669 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7671 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7672 check-objc//%): Support parallel testing of multilibs.
7673 (TESTSUITEDIR): Set to testsuite by default, but override for
7675 (check-gcc, check-g++, check-g77, check-objc): Enter
7678 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7680 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7681 * sched-deps.c (deps_may_trap_p): Likewise.
7682 * basic-block.h: Remove a comment.
7683 * flow.c (PROP_POSTRELOAD): Remove.
7684 (update_life_info): Don't add it to prop_flags.
7685 (mark_set_1): Lose the code that was enabled by it.
7687 2001-01-11 Michael Hayes <mhayes@redhat.com>
7689 * flow.c (flow_call_edges_add): New.
7690 * basic_block.h (flow_call_edges_add): New.
7692 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7694 * reload1.c (move2add_note_store): Update reg_set_luid even if
7695 base reg remains the same.
7697 2001-01-10 Nick Clifton <nickc@redhat.com>
7699 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7700 machine_function structure to zero.
7701 Add prototypes for machine_status functions.
7703 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7705 * c-common.h (CTI_VOID_LIST): Remove.
7706 (void_list_node): Likewise.
7707 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7708 (void_list_node): New macro.
7709 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7710 * config/i386/i386.c (ix86_init_builtins): Likewise.
7711 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7713 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7715 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7716 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7718 * tradcpp.c: Include mkdeps.h.
7719 (deps, print_deps_phony_targets, deps_append, output_deps,
7720 init_dependency_output, output_deps): New.
7721 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7722 deps_output): Delete.
7723 (print_deps_missing_files): Rename deps_missing_files.
7724 (inhibit_output): Make global.
7725 (main): Delete inhibit_output, deps_stream, deps_target.
7726 Use mkdeps functionality in the same way as cpplib. Remove
7727 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7728 -M and -MM. Remove old handling of deps via deps_out, and
7729 old reading of environment variables.
7730 (get_filename): Update to use deps_add_dep.
7732 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7734 * output.h (make_function_rtl): Remove prototype.
7735 (make_decl_rtl): Likewise.
7736 * varasm.c (make_function_rtl): Remove.
7737 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7738 than from a third parameter.
7739 * tree.h (make_decl_rtl): Remove last parameter.
7740 * c-decl.c (builtin_function): Remove last argument in call to
7741 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7742 (start_function): Likewise.
7743 * except.c (call_get_eh_context): Likewise.
7744 * expr.c (emit_block_move): Likewise.
7745 (clear_storage): Likewise.
7746 * profile.c (output_func_start_profiler): Likewise.
7747 * toplev.c (rest_of_decl_compilation): Likewise.
7748 * objc/objc-act.c (create_builtin_decl): Likewise.
7749 (synth_module_prologue): Likewise.
7750 (generate_static_reference): Likewise.
7751 (build_selector_reference_decl): Likewise.
7752 (build_class_reference_decl): Likewise.
7753 (build_objc_string_decl): Likewise.
7754 (build_protocol_reference): Likewise.
7756 2001-01-10 Richard Henderson <rth@redhat.com>
7758 * hwint.h: Revert yesterday's change.
7760 2001-01-10 Nick Clifton <nickc@redhat.com>
7762 * function.h (save_machine_status): Delete.
7763 (restore_machine_status): Delete.
7764 Amend comment describing {init|mark|free}_machine_status.
7766 * function.c (save_machine_status): Delete.
7767 (restore_machine_status): Delete.
7768 Amend comment describing {init|mark|free}_machine_status.
7769 (push_function_context_to): Remove invocation of
7770 save_machine_status.
7771 (pop_function_context_from): Remove invocation of
7772 restore_machine_status.
7774 * emit-rtl.c (init_emit_once): Amend comment describing
7775 {init|mark|free}_machine_status.
7777 * tm.texi (Per-Function Data): New node. Describe the
7778 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7781 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7783 * cppinit.c (OPT_g): Remove.
7784 (cpp_handle_option): Update for removed -g3.
7785 (print_help): Update.
7786 * cpplib.h (struct cpp_options): Remove debug_output.
7787 * cppmain.c (setup_callbacks, cb_define): Update.
7788 * gcc.c (cpp_options): Translate -g3 to -dD.
7790 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7792 * config/i960/i960.md: Change modifier to + on the zero_extract
7793 pattern after the (rotate -2 reg) canonicalization pattern.
7795 2001-01-10 Richard Henderson <rth@redhat.com>
7797 * config/alpha/alpha.c (alpha_free_machine_status): New.
7798 (override_options): Install it.
7799 (alpha_mark_machine_status): Verify machine non-null.
7800 * config/i386/i386.c (ix86_free_machine_status): New.
7801 (override_options): Install it.
7802 (ix86_init_machine_status): Use xcalloc.
7803 (ix86_mark_machine_status): Verify machine non-null.
7804 * config/ia64/ia64.c (ia64_free_machine_status): New.
7805 (ia64_override_options): Install it.
7806 (ia64_mark_machine_status): Verify machine non-null.
7808 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7810 * function.c (instantiate_virtual_regs): Instantiate virtual
7811 registers found in CALL_INSN_FUNCTION_USAGE.
7813 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7815 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7816 equivalent to -ansi in disabling -Di386.
7818 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7820 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7822 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7824 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7826 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7828 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7830 * invoke.texi: Document that -fcond-mismatch isn't supported for
7833 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7835 * gcc.texi: Define macro gcctabopt.
7836 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7837 @command, @env and @option in some places where appropriate. Use
7838 @gcctabopt where appropriate. Put URLs and email addresses inside
7841 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7843 * gcc.c (cpp_options): Set MD file name from output
7844 filename, if specified.
7845 (suffix_subst): New static variable.
7846 (do_spec): Clear it.
7847 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7849 (give_switch): Handle suffix_subst.
7851 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7853 * invoke.texi: Fix another typo.
7855 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7857 * invoke.texi: Fix typo.
7859 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7861 * c-lang.c (lang_hooks): Update.
7862 (lang_decode_option): Remove.
7863 (lang_init_options): Rename c_init_options.
7864 * toplev.c (main): Use lang_hooks for lang_init_options
7865 and lang_decode_option.
7866 * toplev.h (lang_hooks): Add 2 new hooks.
7867 * tree.h: Remove lang_init_options and lang_decode_option.
7868 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7869 * cp/decl2.c: Similarly.
7870 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7871 (lang_hooks): Update.
7872 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7874 (lang_init_options): Rename ffe_init_options.
7875 (lang_hooks): Update.
7876 (lang_decode_option): Remove.
7877 * java/lang.c (lang_init_options): Rename java_init_options.
7878 (lang_decode_option): Rename java_decode_option.
7879 (lang_hooks): Update.
7880 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7881 (lang_decode_option): Rename objc_decode_option.
7882 (lang_hooks): Update.
7884 2001-01-09 Nick Clifton <nickc@redhat.com>
7886 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7887 (d30v_return_addr_rtx): Delete.
7888 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7889 cfun->machine structure.
7890 (struct machine_function): Move to d30v.h
7891 (d30v_save_machine_status): Delete.
7892 (d30v_restore_machine_status): Delete.
7893 (d30v_init_machine_status): New Function.
7894 (d30v_mark_machine_status): New Function.
7895 (d30v_free_machine_status): New Function.
7896 (d30v_init_expanders): Use new functions.
7897 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7898 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7899 d30v_return_addr_rtx.
7901 * config/d30v/d30v.h (struct_machine): Move here.
7902 Add eh_epilogue_sp_ofs field.
7904 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7905 field in cfun->machine structure.
7907 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7909 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7910 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7911 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7913 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7915 * objc/lang-options.h: Remove bogus reference to
7918 2001-01-09 Kazu Hirata <kazu@hxi.com>
7920 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7923 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7925 * reload.c (find_reloads_address): Check for eliminable registers
7926 when substituting a constant expression for a pseudo.
7928 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7930 * c-common.c (enum format_type): Add format_type_error.
7931 (decode_format_type): New function.
7932 (decl_attributes): Use it.
7933 (format_kind_info): Adjust comment.
7935 2001-01-09 David O'Brien <obrien@BSDi.com>
7937 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7938 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7940 * config/i386/gnu.h: Don't include required platform specific .h files,
7941 tm.h will do it instead.
7942 * config/i386/i386elf.h: Likewise.
7943 * config/i386/linux.h: Likewise.
7944 * config/i386/moss.h: Likewise.
7945 * config/mips/gnu.h: Likewise.
7947 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7949 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7950 (rs6000-ibm-aix3.[01]*): Likewise.
7951 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7952 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7953 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7954 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7955 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7956 (powerpc-*-eabiaix*): Likewise.
7957 (powerpc-*-eabisim*): Likewise.
7958 (powerpc-*-elf*): Likewise.
7959 (powerpc-*-eabi*): Likewise.
7960 (powerpc-*-rtems*): Likewise.
7961 (powerpc-*-linux*libc1): Likewise.
7962 (powerpc-*-linux*): Likewise.
7963 (powerpc-wrs-vxworks*): Likewise.
7964 (powerpcle-wrs-vxworks*): Likewise.
7965 (powerpcle-*-sysv*): Likewise.
7966 (powerpcle-*-elf*): Likewise.
7967 (powerpcle-*-eabisim*): Likewise.
7968 (powerpcle-*-eabi*): Likewise.
7969 (powerpcle-*-solaris2*): Likewise.
7970 * config/rs6000/aix31.h: Delete includes.
7971 * config/rs6000/aix3newas.h: Likewise.
7972 * config/rs6000/aix41.h: Likewise.
7973 * config/rs6000/aix43.h: Likewise.
7974 * config/rs6000/beos.h: Likewise.
7975 * config/rs6000/rtems.h: Likewise.
7976 * config/rs6000/sysv4.h: Likewise.
7978 2001-01-09 Kazu Hirata <kazu@hxi.com>
7980 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7981 Change an argument mode of machine_mode to shift_mode of
7982 shift_mode. Remove an extra error check.
7983 (emit_a_shift): Adopt to the new calling prototype of
7985 (function_prologue): Fix code for a monitor
7986 function. Support H8/S.
7987 (function_epilogue): Do not output pop for a monitor function.
7989 2001-01-09 Nick Clifton <nickc@redhat.com>
7991 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7992 (setup_incoming_varargs): Use sysv_varargs_p field of the
7993 cfun->machine structure.
7994 (struct machine_function): Move to rs6000.h
7995 (rs6000_save_machine_status): Delete.
7996 (rs6000_restore_machine_status): Delete.
7997 (rs6000_init_machine_status): New Function.
7998 (rs6000_free_machine_status): New Function.
7999 (rs6000_init_expanders): Use new functions.
8001 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8003 (struct machine_function): Move here.
8005 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8006 sysv_varargs_p field of the cfun->machine structure.
8008 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8010 (rs6000_restore_machine_status): Remove prototype.
8012 2001-01-09 Richard Henderson <rth@redhat.com>
8014 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8015 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8016 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8017 (sched_analyze_2, sched_analyze_insn): Likewise.
8018 (sched_analyze, init_deps): Likewise.
8019 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8020 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8021 (compute_block_backward_dependences): Update propagate_deps call.
8023 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8025 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8027 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8029 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8030 (cpp_handle_option): Handle them.
8031 (cpp_post_options): Ensure one of -M or -MM is specified with
8032 any other -M? option.
8033 (init_dependency_output): Suppress output with -MG.
8035 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8038 * invoke.texi: Update.
8040 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8042 * sh.md (reload_outsf): Generate recognizable patterns for
8045 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8047 * c-lang.c (lang_hooks): Update.
8048 (lang_init): Rename c_init.
8049 (lang_finish): Remove.
8050 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8052 * toplev.h (lang_hooks): Add init () and finish ().
8053 * tree.h (lang_init, lang_finish): Remove.
8054 * cp/tree.h (lang_init, lang_finish): Remove.
8055 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8056 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8058 (lang_init, lang_finish): Remove.
8059 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8060 (lang_hooks): Update.
8061 * java/lang.c (lang_init): Rename java_init.
8062 (lang_finish): Remove.
8063 (lang_hooks): Update.
8064 * objc/objc-act.c (lang_init): Rename objc_init.
8065 (lang_finish): Remove.
8066 (lang_hoooks): Update.
8068 20001-01-09 Graham Stott <grahams@redhat.com>
8070 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8071 after `ptr` is initialised.
8073 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8075 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8076 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8077 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8078 stack adjusts, instead of r3.
8080 2001-01-09 Michael Hayes <mhayes@redhat.com>
8082 * flow.c (flow_loop_scan): Break out of ...
8083 (flow_loops_find) ... here.
8084 * basic-block.h (flow_loop_scan): New.
8085 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8086 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8088 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8090 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8092 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8093 realloc()ing macro_buffer.
8095 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8096 if it's wider than long and the target's long is wider than the
8099 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8101 Remove support for using UWIN as a host machine.
8102 * configure.in: Issue an error message.
8103 * configure: Regenerated.
8104 * config.gcc: Remove xm_* UWIN configury.
8105 * config/i386/xm-uwin.h: Remove.
8107 2001-01-08 Nick Clifton <nickc@redhat.com>
8109 * config/v850/v850.c (ra_rtx): Delete.
8110 (v850_save_machine_status): Delete.
8111 (v850_restore_machine_status): Delete.
8112 (v850_init_machine_status): New function.
8113 (v850_mark_machine_status): New function.
8114 (v850_free_machine_status): New function.
8115 (v850_return_addr): Use ra_rtx field in machine structure.
8116 (v850_init_expanders): Use new functions.
8118 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8119 * config/v850/v850.c: Change arguments to v850_output+* functions
8120 to take a const char *, to avoid compile time warning.
8121 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8122 (USER_LABEL_PREFIX): Redefine.
8124 2000-01-08 Jim Wilson <wilson@redhat.com>
8126 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8127 1 to unsigned HOST_WIDE_INT before left shift.
8129 2001-01-08 Nick Clifton <nickc@redhat.com>
8131 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8132 the machine structure has been allocated.
8133 (arm_free_machine_status): New function: Free the machine
8134 specific function structure.
8136 2001-01-08 Richard Henderson <rth@redhat.com>
8138 * jump.c (simplejump_p): Revert last change.
8140 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8142 * cppinit.c (init): Rename init_library.
8143 (cpp_create_reader): Update.
8144 * gcc.c (cpp_options): If -o given, use it as the target of
8147 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8149 * arm.c (arm_arch5e): New variable.
8150 (all_cores): XScale is a 5TE device.
8151 (arm_override_options): Set arm_arch5e.
8152 (arm_init_builtins): __builtin_prefetch is in arch5e.
8153 * arm.h (arm_arch5e): Declare it.
8155 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8157 * arm.md (define_constants): Add defines for UNSPEC and
8158 UNSPEC_VOLATILE insns. Update all users.
8159 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8160 * arm.c (multi_register_push, note_invalid_constants)
8161 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8162 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8163 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8165 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8167 * jump.c (jump_optimize_1): Use reversed_comparison_code
8168 instead of can_reverse_comparison_p.
8169 (jump_back_p): Likewise.
8170 (invert_exp_1): Likewise.
8171 (thread_jumps): Likewise.
8172 * simplify-rtx.c (simplify_unary_operation): Likewise.
8173 (simplify_ternary_operation): Likewise.
8174 * cse.c (find_comparison_args): Convert to use
8175 can_reverse_comparison_p.
8176 (record_jump_equiv): Likewise.
8178 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8180 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8181 (EPILOGUE_USES): Define.
8182 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8183 automatically stack the LR if it isn't live.
8185 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8187 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8190 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8192 * ggc-page.c (max_alignment): New structure.
8193 (MAX_ALIGNMENT): New macro.
8194 (init_ggc): Use it to round up the sizes in the
8195 extra_order_size_table.
8197 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8199 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8202 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8204 * builtins.def (BUILT_IN_FPRINTF): New entry.
8206 * c-common.c (c_expand_builtin_fprintf): New function.
8207 (init_function_format_info): Handle __builtin_fprintf.
8208 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8209 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8211 * c-decl.c (duplicate_decls): Adjust comment.
8213 * extend.texi (fprintf): Document new builtin.
8215 2001-01-07 Richard Henderson <rth@redhat.com>
8217 * jump.c (simplejump_p): Recognize any single_set jump
8220 2001-01-07 Richard Henderson <rth@redhat.com>
8222 * configure.in (slibdir): Accept an --with-slibdir option.
8223 Use "test" not "[" in configure. Default to $(libdir).
8225 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8227 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8228 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8229 (SHLIB_LINK): Create links for the soname.
8230 * config/mips/t-iris6: Likewise.
8231 * config/sparc/t-slibgcc: Likewise.
8232 * config/sparc/t-slibgcc-sld: Likewise.
8234 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8236 * config/i386/i386.c (constant_call_address_operand): Accept
8237 (const (plus (symbol_ref) (const_int))).
8238 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8239 constant_call_address_operand.
8241 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8243 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8244 and LONG_LONG_TYPE_SIZE > 32.
8246 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8248 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8249 the previous change.
8251 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8253 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8255 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8256 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8257 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8260 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8262 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8264 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8266 * c-lang.c (c_post_options): Call cpp_post_options.
8267 * objc/objc-act.c (objc_post_options): Similarly.
8268 * cppmain.c (main): Similarly.
8269 * fix-header.c (read_scan_file): Similarly.
8270 * cppinit.c (cpp_start_read): Move option consistency checks
8271 to cpp_post_options. Don't call init_dependency_output.
8272 If needed, add default target and main file dependency.
8273 (OPT_MD, OPT_MMD): Remove.
8275 (cpp_handle_option): Update for OPT_* changes.
8276 (cpp_post_options): New.
8277 (init_dependency_output): Command line -MF overrides environment
8278 variables. Don't set default target etc. Suppress output
8279 if dependencies are going to stdout.
8280 (print_help): Update.
8281 * cpplib.h (cpp_post_options): New.
8282 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8284 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8286 * jump.c (comparison_dominates_p): Support unordered compares.
8288 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8290 * simplify-rtx.c (simplify_relational_operation): Always simplify
8291 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8294 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8296 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8297 (nonzero_bits): Likewise.
8298 (simplify_comparison): Likewise.
8299 (num_sign_bit_copies): Likewise; return more sane value depending
8300 on STORE_FLAG_VALUE.
8301 (known_cond): Do not assume EQ to be always true for equivalent
8304 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8306 * cse.c (fold_rtx): Handle unordered comparisons.
8308 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8310 * rtlanal.c (set_of_1): New static function.
8311 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8312 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8313 reg_set_last_last_regno): Remove.
8314 (set_of): New global function.
8315 (set_of_data): New structure.
8316 (reg_set_p, reg_set_last): Revamp for set_of.
8317 * rtl.h (set_of): New.
8319 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8321 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8322 * extend.texi: Document _Exit builtin.
8324 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8326 * (initialize, initialize_builtins,
8327 initialize_dependency_output, initialize_standard_includes):
8328 Rename s/initialize/init. Update.
8329 (init_dependency_output): Move to after
8330 cpp_handle_options, the correct location temporally at least.
8331 (opt_comp): Move next to init (), its caller. Fix prototype.
8332 (init): Make "initialized" local scope.
8333 (cpp_create_reader): Always call init ().
8334 (cpp_start_read): Update.
8335 (output_deps): New function, broken out of cpp_finish.
8336 (cpp_finish): Break out output_deps.
8338 2001-01-07 Richard Henderson <rth@redhat.com>
8340 * collect2.c (COFF specific stuff): Revert 12-06 patch
8341 to prototype system functions.
8343 2001-01-07 Michael Hayes <mhayes@redhat.com>
8345 * hard-reg-set.h: Add multiple include guard.
8346 * basic-block.h (struct loop): Add `sink' field.
8347 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8348 (emit_iv_add_mult): Delete.
8349 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8350 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8351 (unroll_loop): Remove end_insert_before argument.
8352 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8353 (maybe_eliminate_biv_1): Likewise.
8354 (emit_iv_add_mult): Delete.
8355 (gen_add_mult, loop_regs_update): New.
8356 (loop_insn_emit_after, loop_insn_emit_before): New.
8357 (loop_insn_sink, loop_insn_sink_or_swim): New.
8358 (emit_iv_add_mult): Delete.
8359 (scan_loop): Set loop->sink.
8360 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8361 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8362 (maybe_eliminate_biv_1): Likewise.
8363 (maybe_eliminate_biv_1): Add basic block argument.
8364 * unroll.c (unroll_loop): Remove end_insert_before argument.
8365 (find_splittable_regs): Likewise.
8366 (find_splittable_regs): Use loop_insn_sink and its ilk.
8367 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8369 2001-01-07 Michael Hayes <mhayes@redhat.com>
8371 * loop.h (loop_insn_hoist): New prototype.
8372 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8373 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8374 (check_dbra_loop, load_mems): Likewise.
8375 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8376 (find_splittable_givs): Likewise.
8378 2001-01-07 Michael Hayes <mhayes@redhat.com>
8380 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8382 2001-01-07 Richard Henderson <rth@redhat.com>
8384 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8386 2001-01-07 Richard Henderson <rth@redhat.com>
8388 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8389 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8390 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8391 variant that handles a shared libgcc.
8392 (process_command): Always validate -{static,shared}-libgcc.
8393 (do_spec_1): New 'M' case.
8394 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8396 2001-01-07 Richard Henderson <rth@redhat.com>
8398 * Makefile.in (slibdir): New variable.
8399 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8400 (installdirs): Create slibdir.
8401 (install-libgcc, install-multilib): Defer to libgcc.mk.
8402 * configure.in (slibdir): Substitute.
8403 * mklibgcc.in (install): New target.
8405 * config/t-linux (SHLIB_LINK): Create links for the soname.
8406 (SHLIB_INSTALL): New.
8407 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8408 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8409 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8410 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8411 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8413 2001-01-07 Richard Henderson <rth@redhat.com>
8415 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8416 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8417 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8419 2001-01-07 Michael Hayes <mhayes@redhat.com>
8421 * loop.c (count_loop_regs_set): Delete.
8422 (load_mems_and_recount_loop_regs_set): Delete.
8423 (loop_regs_scan): Merge common code from count_loop_regs_set,
8424 scan_loop, and load_mems_and_recount_loop_regs_set.
8425 (scan_loop): Call load_mems directly and loop_regs_scan
8426 again if new registers created.
8428 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8430 * toplev.c (main): Call the front-end specific post_options
8431 hook if one is given.
8432 * toplev.h (struct_lang_hooks, lang_hooks): New.
8433 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8434 for the C front end.
8435 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8436 lang_hooks for the C++ front end.
8437 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8438 lang_hooks for the ObjC front end.
8439 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8440 * java/lang.c (lang_hooks): Hooks for the Java front end.
8442 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8444 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8445 for verbose DWARF[2] debugging.
8446 (cb_define, cb_undef): The new callbacks.
8447 * toplev.h (debug_define, debug_undef): Make const correct.
8448 * toplev.c (debug_define, debug_undef): Similarly. Do not
8449 perform the verbosity tests here anymore.
8451 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8453 * reload.c (subst_reloads): Take INSN argument. When
8454 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8455 * reload.h (subst_reloads): Adjust prototype.
8456 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8457 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8458 present in JUMP_INSNs and copy them to JUMP_LABEL.
8459 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8460 JUMP_INSNs and insns with REG_LABELs that are followed by
8461 JUMP_INSNs with the same REG_LABEL.
8462 * sched-rgn.c (is_cfg_nonregular): Likewise.
8463 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8465 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8467 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8469 2001-01-06 Richard Henderson <rth@redhat.com>
8471 * loop.c (scan_loop): Use xcalloc for the regs array.
8472 (load_mems_and_recount_loop_regs_set): Zero the new memory
8473 received from xrealloc.
8475 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8477 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8479 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8481 * integrate.c (copy_rtx_and_substitute): When copying
8482 an ignored return value, strip REG_FUNCTION_VALUE_P.
8484 2001-01-06 Michael Hayes <mhayes@redhat.com>
8486 * loop.c (debug_biv, debug_giv): New.
8487 (loop_biv_dump): Break out from ...
8488 (record_biv): ... here.
8489 (loop_giv_dump): Break out from ...
8490 (record_giv): ... here.
8491 (loop_bivs_check): Use print_simple_rtl.
8492 * unroll.c (loop_iterations): Use print_simple_rtl.
8494 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8496 * pa.md (return, return_internal): Modify patterns to prevent regrename
8497 mucking with the return pointer.
8499 2001-01-05 Richard Henderson <rth@redhat.com>
8501 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8503 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8505 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8506 version supplied by Matteo Frigo.
8508 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8510 * cpp.texi: Update for -MQ.
8511 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8512 (cpp_cleanup): Always free pfile->deps.
8513 (initialize_dependency_output): Don't create pfile->deps.
8514 (cpp_handle_option): Similarly.
8516 * gcc.c (cpp_options): Handle -MQ.
8517 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8518 * mkdeps.c (base_name): Remove.
8519 (deps_init): Don't allocate vector space until it's needed.
8520 (deps_free): Only free vectors if allocated.
8521 (deps_add_target, deps_add_dep): Update for initial allocation.
8522 (deps_add_default_target): Don't strip to the base_name.
8524 2001-01-05 DJ Delorie <dj@redhat.com>
8526 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8527 (INIT_EXPANDERS): Define.
8529 * config/v850/v850.c (struct machine_function): Define.
8530 (v850_save_machine_status): New function.
8531 (v850_restore_machine_status): New function.
8532 (v850_return_addr): New function.
8533 (v850_init_expanders): New function.
8535 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8536 and v850_init_expanders.
8538 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8540 * cpplib.h (struct cpp_reader): Add help_only field.
8541 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8542 (cpp_handle_option): Set pfile->help_only if we see -h,
8543 --help, -target-help, or --version. Print version string but
8544 do not set help_only if we see -v or -version. Make text
8545 printed by -v match that printed by (-)-version.
8547 * cppmain.c (main): Exit after option parsing if
8548 pfile->help_only is true.
8550 * toplev.c (independent_decode_option): Call print_version,
8551 then exit, if we see --version (but not -version).
8552 (print_version): Split lengthy message into two lines.
8554 2001-01-05 Nick Clifton <nickc@redhat.com>
8556 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8557 temporary string for initialisation before calling ggc_alloc_string.
8559 2001-01-06 Michael Hayes <mhayes@redhat.com>
8561 * rtl.h (print_simple_rtl): New.
8562 * print-rtl.c (print_simple_rtl): New.
8564 (print_rtx): Disable printing of flags and modes, etc.,
8565 if `flag_simple` nonzero.
8567 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8569 * function.c (fixup_var_refs): Use push_to_full_sequence where
8572 2001-01-05 Michael Meissner <meissner@redhat.com>
8574 * flags.h (flag_reorder_blocks): Add declaration.
8575 (flag_rename_block): Ditto.
8577 2001-01-05 DJ Delorie <dj@redhat.com>
8579 * function.c (reorder_blocks): Make sure the flags are all reset
8580 before using them to mark blocks, else a second invocation will
8581 corrupt the block chain.
8582 (reorder_blocks_0): New, resets the flags.
8584 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8586 * cse.c (find_comparison_args): Stop if the argument is known to
8589 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8591 * config/sh/sh.md (movdf): When splitting load into pair of
8592 registers, don't clobber the register used in the address too
8595 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8597 * varasm.c (mark_constant_pool): Improve initial comments.
8598 (mark_constants): Move marking of constants to mark_constant.
8599 (mark_constant): New function to recursively mark all constants
8600 referred to by a constant.
8602 2001-01-05 Catherine Moore <clm@redhat.com>
8604 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8606 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8608 * cp/lang-options.h: Bring comment in line with reality.
8609 * f/lang-options.h: Likewise.
8610 * java/lang-options.h: Likewise.
8611 * objc/lang-options.h: Likewise.
8612 * ch/lang-options.h: Likewise.
8613 * f/g77.texi: And update the manual.
8615 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8616 Denis Chertykov <denisc@overta.ru>
8618 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8619 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8620 * config/avr/avr.md (all peepholes that request a scratch register):
8621 Call it, FAIL the peephole if not safe (in interrupt functions).
8623 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8625 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8627 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8629 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8631 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8632 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8633 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8634 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8635 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8637 * extend.texi: Document these builtins.
8639 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8641 * c-common.c (lang_get_alias_set): Say we know nothing of
8642 VECTOR_TYPE aliasing.
8644 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8646 2001-01-05 Bruce Korb <bkorb@gnu.org>
8648 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8649 their x* equivalent versions for atexit-less systems
8650 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8651 systems (or any other system any more).
8653 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8655 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8656 output operands. Use arm_hard_register_operand for operand 4.
8657 (stmsi_postinc): Similarly.
8658 (ldmsi): Use arm_hard_register_operand for opernand 2.
8660 * arm.c (arm_hard_register_operand): New function.
8661 * arm-protos.h (arm_hard_register_operand): Prototype it.
8663 * arm.h (HARD_REGNO_RENAME_OK): Define.
8665 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8667 * simplify-rtx.c (cfc_args): add "unordered" field.
8668 (check_fold_consts): Set unordered field.
8669 (simplify_relational_operation): Simplify the unordered
8672 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8675 * emit-rtl.c (try_split): Fix code to mark labels.
8676 * jump.c (mark_jump_label): Make global.
8677 * rtl.h (mark_jump_label): Declare.
8679 * predict.c (estimate_probability): Handle unordred comparisons.
8681 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8683 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8684 * cppinit.c (initialize_dependency_output): Update.
8685 (cpp_finish): Output dummy targets for -MP.
8687 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8688 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8689 * gcc.c (cpp_options): Update to handle -MP.
8690 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8691 to quote only the default target.
8692 (deps_phony_targets): Insert a preceding newline. Rename from
8693 deps_dummy_targets for consistency.
8696 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8698 * calls.c (emit_library_call_value_1): Support
8699 INIT_CUMULATIVE_LIBCALL_ARGS.
8700 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8702 2001-01-04 Richard Henderson <rth@redhat.com>
8704 * c-decl.c (finish_struct): Detect flexible array members
8705 used in an inappropriate context.
8706 * c-typeck.c (really_start_incremental_init): Special case
8707 constructor_max_index for zero length arrays.
8708 (pop_init_level): Allow initialization of flexible array
8709 members. Deprecate initialization of zero length arrays.
8710 Don't issue missing initializer warning for flexible array
8711 members or zero length arrays.
8712 (process_init_element): Don't dereference null DECL_SIZE.
8713 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8714 Don't abort for empty constructors. Use size_binop
8715 (output_constructor): Add commentary regarding zero length
8716 array futures. Abort if we try to initialize an array of
8717 unspecified length with a non-empty constructor in the middle
8720 * extend.texi (Zero Length): Update and clarify documentation
8721 on static initialization.
8723 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8725 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8726 with more than 32767 words of local storage.
8728 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8730 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8731 for 'abs', 'labs', and 'fabs'.
8732 (c4x_expand_builtin): Likewise.
8733 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8735 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8737 * config/sh/sh.md (prget, prset): New insn types.
8738 (return delay slot): Dont' allow prset.
8739 (call, sfunc delay slot): Don't allow prget.
8740 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8741 for prset and prget.
8743 2001-01-05 Michael Hayes <mhayes@redhat.com>
8745 * loop.h (struct loop_reg): New.
8746 (struct loop_regs): Change to use array of `struct loop_reg'.
8747 * loop.c: Replace assortment of varrays with single regs array.
8748 (count_one_set): Delete may_not_move array argument
8749 and use regs array instead. All caller's changed.
8750 (count_loop_regs_set): Delete may_not_move and single_usage
8751 arguments and use regs array instead. All caller's changed.
8752 (find_single_use_in_loop): Replace usage array argument with pointer
8753 to regs structure. All caller's changed.
8754 (loop_optimize): Delete `moved_once' array.
8756 2001-01-05 Michael Hayes <mhayes@redhat.com>
8758 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8759 Use it instead of loop_info->has_call for scanning loop mems.
8760 (check_dbra_loop): Replace loop_info->has_call test with
8761 loop_info->has_nonconst_call.
8763 2000-01-04 Matthew Hiller <hiller@redhat.com>
8765 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8768 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8770 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8771 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8773 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8775 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8776 (flag_short_double, flag_short_wchar): Define.
8777 (c_common_nodes_and_builtins): Create many tree nodes shared
8778 between C and C++ here instead of in cp/decl.c and ...
8779 * c-decl.c (init_decl_processing): ... here.
8780 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8781 (flag_short_double, flag_short_wchar): Don't define.
8782 (record_builtin_type): New function.
8783 (build_void_list_node): New function.
8784 * c-common.h (flag_short_double, flag_short_wchar,
8785 record_builtin_type, build_void_list_node): Declare.
8787 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8789 * integrate.c (expand_inline_function): Don't put a virtual
8790 register into the reg map.
8792 * function.c (fixup_var_refs_1): If force_operand didn't put
8793 the address into the target, move it there.
8795 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8797 Special-case tree_decl/tree_list allocations.
8798 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8799 (OBJECT_SIZE): New macro.
8800 (NUM_EXTRA_ORDER): Likewise.
8801 (extra_order_size_table): New variable.
8802 (NUM_ORDERS): New macro.
8803 (objects_per_page_table): New variable.
8804 (object_size_table): New variable.
8805 (G.pages): Use NUM_ORDERS to bound the array.
8806 (G.page_tails): Likewise.
8807 (DIV_ROUND_UP): Remove.
8808 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8809 (alloc_page): Use OBJECT_SIZE.
8810 (size_lookup): Don't make it const.
8811 (ggc_alloc): Use OBJECT_SIZE.
8812 (ggc_set_mark): Likewise.
8813 (ggc_get_size): Likewise.
8814 (init_ggc): Set up the object_size_table, objects_per_page_table,
8815 and adjust size_lookup.
8816 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8817 (ggc_pop_context): Use NUM_ORDERS.
8818 (clear_marks): Likewise.
8819 (sweep_pages): Likewise.
8820 (poison_pages): Likewise.
8821 (ggc_print_statistics): Use OBJECT_SIZE.
8823 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8825 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8826 Only call array_size_for_constructor if last field and array type
8827 with no upper bound.
8829 2001-01-04 Philip Blundell <philb@gnu.org>
8831 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8832 from bit 31 downwards, if this requires no more insns.
8833 (count_insns_for_constant): New helper function for above.
8835 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8837 * gencodes.c (output_predicate_decls): Remove empty initializer.
8839 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8841 * tree.c (copy_node): Remove documentation about obstacks.
8842 (buidl1): Check that nobody tries to build 2-argument nodes this
8845 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8847 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8850 * gencodes.c (output_predicate_decls): Fill empty initializer
8853 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8855 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8856 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8858 (do_include): Handle missing headers like cpp0.
8859 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8860 paths with first include pathname. Don't strcat to uninitialized
8863 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8865 * regrename.c (regrename_optimize): Don't rename from frame pointer
8866 if frame_pointer_needed.
8867 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8868 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8869 (ia64_reorg): Use it instead of scheduling if ! optimize.
8870 (errata_emit_nops): Properly call asm_noperands.
8871 (ia64_sched_reorder): Finish cycle if we see an asm.
8872 (ia64_variable_issue): Clear scheduling state after asms.
8874 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8876 * cpp.texi: Update for -MT.
8877 * cppinit.c (initialize_dependency_output): Add a default
8878 target if none has been given already.
8879 (no_tgt, OPT_MT): New.
8880 (cpp_handle_option): Handle -MT. Update -M etc.
8881 * cpplib.h (struct cpp_options): Remove deps_target.
8882 * gcc.c (cpp_options): Handle -MT.
8883 * mkdeps.c (struct deps): Move from mkdeps.h.
8884 (deps_calc_target): Rename deps_add_default_target. Add a
8885 default target if none has been specified already.
8886 * mkdeps.h (struct deps): Move to mkdeps.c.
8887 (deps_calc_target): Rename deps_add_default_target.
8889 2000-01-03 Richard Henderson <rth@redhat.com>
8891 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8893 * c-typeck.c (push_init_level): Move checks for flexible array
8894 members and zero length arrays ...
8895 (pop_init_level): ... here. Silently discard empty initializations.
8897 * varasm.c (output_constructor): Update for sizeof change to
8900 * extend.texi (Zero Length): Clarify semantics.
8902 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8904 * configure.in (tm.h): Include isns-codes.h last.
8905 * configure: Rebuilt.
8907 2001-01-03 Richard Henderson <rth@redhat.com>
8909 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8910 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8912 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8914 * tradcpp.c (main): Make sure finclude() is called with a valid
8915 indepth value while handling -include.
8917 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8919 * gencodes.c (output_predicate_decls): New function.
8921 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8922 even if it is not the first time machmode.h is #included.
8923 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8924 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8925 * gcc.texi (Copyright): Added 2001.
8927 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8929 * c-common.c (c_common_lang_init): New function. Warn if format
8930 warning options which only have effects when used with -Wformat
8931 are used without -Wformat.
8932 * c-common.h (c_common_lang_init): Declare.
8933 * c-lang.c (lang_init): Call c_common_lang_init.
8934 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8936 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8938 * configure.in: Check for the mktemp command.
8939 * configure: Regenerate.
8940 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8941 $TEMP. Create temporary files with mktemp, if available at
8942 configure time; otherwise use set -C. Remove temporary files
8945 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8947 * configure.in: Require at least texinfo 4.0. Check for whether
8948 Pod::Man is sufficiently recent to regenerate GCC manpages.
8949 * configure: Regenerate.
8950 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8952 (GENERATED_MANPAGES): Define.
8953 (generated-manpages): New target. Depend on cpp.1 as well as
8955 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8956 configure to generated-manpages or empty) rather than on the
8957 manpages directly. Remove execute permission from installed
8958 gcov.1 as well as cpp.1.
8959 * cpp.1, gcov.1: Regenerate.
8961 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8963 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8964 tree_low_cst. Allow using cmpstrsi in more cases.
8966 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8968 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8971 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8973 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8974 * Makefile.in (HOST_CFLAGS): Mention build-make.
8976 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8978 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8981 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8983 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8986 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8989 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8990 reg_base_value and reg_known_value arrays.
8991 (init_alias_analysis): Add more cases to detect known values.
8992 * sched-deps.c (deps_may_trap_p): New function.
8993 (sched_analyze_2): Use it.
8995 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8997 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8998 don't discard an ASHIFTRT if we're shifting in a wider mode.
9000 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9002 * toplev.c (rest_of_compilation): Don't print basic block information
9003 when CFG isn't up to date.
9005 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9007 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9008 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9009 (UNALIGNED_SHORT_ASM_OP): Define.
9010 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9012 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9014 * fold-const.c (fold_convert): Fix typo.
9016 2001-01-02 Richard Henderson <rth@redhat.com>
9018 * c-common.h (ASM_INPUT_P): New.
9019 * c-parse.in (asm): Set it when needed.
9020 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9021 existance of an operand.
9023 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9025 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9026 (dwarf2out_frame_debug_expr): Likewise.
9027 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9029 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9031 * i386.c (ix86_split_to_parts): Return number of part required;
9033 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9035 (ix86_split_long_move): Use number of part returned
9036 by ix86_split_to_parts
9037 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9039 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9040 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9041 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9042 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9043 (ALIGN_MODE_128): Add TFmode.
9044 (IS_STACK_MODE): Likewise.
9045 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9046 (HARD_REGNO_OK): Support TFmodes.
9047 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9048 * i386.md (scheduler definitions): Use memory operand to determine
9049 fst/fld instructions; use mode attribute to determine real mode of
9051 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9052 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9054 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9056 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9058 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9060 * expr.c (store_constructor_field): Update ALIGN before calling
9063 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9065 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9068 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9070 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9073 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9075 * c-decl.c (start_function): Don't warn on third parameter to main.
9077 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9079 * tsystem.h: Define HAVE_DECL_GETOPT.
9081 2001-01-02 Philip Blundell <pb@futuretv.com>
9083 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9086 2001-01-02 Richard Henderson <rth@redhat.com>
9088 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9090 2001-01-02 Andreas Jaeger <aj@suse.de>
9092 * c-decl.c (c_decode_option): Remove support of
9095 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9096 (W_options): Add -Wmissing-noreturn here.
9098 * flow.c: Define lang_missing_noreturn_ok_p.
9099 (check_function_return_warnings): Use it.
9101 * c-common.h: Declare lang_missing_noreturn_ok_p.
9103 * c-lang.c (c_missing_noreturn_ok_p): New function.
9104 (lang_init): Set lang_missing_noreturn_ok_p.
9106 * invoke.texi (Warning Options): Document this.
9108 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9110 * extend.texi (C++ Extensions): New node for C++ attributes;
9111 describe init_priority and com_interface.
9112 * invoke.texi: Remove -finit-priority as it now has zero effect.
9113 * install.texi: Fix xref syntax.
9114 * md.texi: Likewise.
9116 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9118 * config.gcc (sparc64-wrs-vxworks*): New case.
9119 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9121 * config/sparc/sparc.c (sparc_override_options): Do support different
9122 pointer and architecture size.
9123 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9124 (POINTERS_EXTEND_UNSIGNED): Define.
9125 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9126 (FUNCTION_MODE): Define to be Pmode.
9127 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9129 * function.c (expand_function_end): Properly handle DECL_RESULT
9130 and copy when ptr_mode != Pmode.
9131 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9133 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9135 * c-common.c (c_common_nodes_and_builtins): Set prototype
9136 parameters for __builtin_fputs, __builtin_fputc and
9137 __builtin_fwrite. Don't declare plain fputc as a builtin.
9139 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9141 * loop.c (add_label_notes): Increment the label usage count when
9142 a note is added to an insn which refers to a CODE_LABEL.
9143 * gcse.c (add_label_notes): Likewise.
9145 2001-01-01 Andreas Jaeger <aj@suse.de>
9147 * loop.c (scan_loop): Use xmalloc to allocate movables.
9149 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9151 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9152 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9153 * reload1.c (REGISTER_MOVE_COST): Likewise.
9154 * regclass.c (REGISTER_MOVE_COST): Likewise.
9155 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9156 dimension. Adjust all users.
9157 (init_reg_sets_1): Iterate on all modes.
9158 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9159 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9160 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9161 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9162 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9163 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9164 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9165 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9166 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9167 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9168 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9169 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9170 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9171 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9172 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9173 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9174 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9175 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9176 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9177 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9178 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9179 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9180 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9181 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9182 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9183 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9184 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9186 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9188 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9189 arg VARIES_P. Call it with extra arg.
9190 (true_dependence): Likewise.
9191 * rtl.h (rtx_addr_can_trap_p): Declare.
9192 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9194 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9195 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9196 pic offset table register if it's zero. All callers changed.
9197 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9199 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9201 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9202 STRING_POOL_ADDRESS_P.
9204 * config/sparc/sparc.c (input_operand): Properly test for short op.
9206 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9207 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9208 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9209 * config/sparc/elf.h: No longer include sol2.h.
9210 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9211 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9213 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9215 2001-01-01 Michael Hayes <mhayes@redhat.com>
9217 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9218 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9219 (record_initial): Likewise.
9220 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9221 (remap_split_bivs): Likewise.
9223 2001-01-01 Michael Hayes <mhayes@redhat.com>
9225 * loop.c (loop_ivs_free): New function.
9226 (strength_reduce): Break out from...
9228 2001-01-01 Michael Hayes <mhayes@redhat.com>
9230 * loop.h (struct iv): New.
9231 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9232 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9233 'reg_biv_class' fields with 'regs' and 'n_regs'.
9234 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9235 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9236 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9238 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9240 * resource.c (mark_referenced_resources): Abort() before
9241 attempting to mark a pseudo register.
9242 (mark_set_resources): Likewise.
9244 2001-01-01 Michael Hayes <mhayes@redhat.com>
9246 * loop.h (REG_IV_CLASS): New accessor macro.
9247 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9248 * unroll.c (REG_IV_CLASS): Likewise.
9250 See ChangeLog.4 for earlier changes.
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